(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Twister = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o= 0) { var v = x * this[i++] + w[j] + c c = Math.floor(v / 0x4000000) w[j++] = v & 0x3ffffff } return c } // am2 avoids a big mult-and-extract completely. // Max digit bits should be <= 30 because we do bitwise ops // on values up to 2*hdvalue^2-hdvalue-1 (< 2^31) function am2(i, x, w, j, c, n) { var xl = x & 0x7fff, xh = x >> 15 while (--n >= 0) { var l = this[i] & 0x7fff var h = this[i++] >> 15 var m = xh * l + h * xl l = xl * l + ((m & 0x7fff) << 15) + w[j] + (c & 0x3fffffff) c = (l >>> 30) + (m >>> 15) + xh * h + (c >>> 30) w[j++] = l & 0x3fffffff } return c } // Alternately, set max digit bits to 28 since some // browsers slow down when dealing with 32-bit numbers. function am3(i, x, w, j, c, n) { var xl = x & 0x3fff, xh = x >> 14 while (--n >= 0) { var l = this[i] & 0x3fff var h = this[i++] >> 14 var m = xh * l + h * xl l = xl * l + ((m & 0x3fff) << 14) + w[j] + c c = (l >> 28) + (m >> 14) + xh * h w[j++] = l & 0xfffffff } return c } // wtf? BigInteger.prototype.am = am1 dbits = 26 BigInteger.prototype.DB = dbits BigInteger.prototype.DM = ((1 << dbits) - 1) var DV = BigInteger.prototype.DV = (1 << dbits) var BI_FP = 52 BigInteger.prototype.FV = Math.pow(2, BI_FP) BigInteger.prototype.F1 = BI_FP - dbits BigInteger.prototype.F2 = 2 * dbits - BI_FP // Digit conversions var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz" var BI_RC = new Array() var rr, vv rr = "0".charCodeAt(0) for (vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv rr = "a".charCodeAt(0) for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv rr = "A".charCodeAt(0) for (vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv function int2char(n) { return BI_RM.charAt(n) } function intAt(s, i) { var c = BI_RC[s.charCodeAt(i)] return (c == null) ? -1 : c } // (protected) copy this to r function bnpCopyTo(r) { for (var i = this.t - 1; i >= 0; --i) r[i] = this[i] r.t = this.t r.s = this.s } // (protected) set from integer value x, -DV <= x < DV function bnpFromInt(x) { this.t = 1 this.s = (x < 0) ? -1 : 0 if (x > 0) this[0] = x else if (x < -1) this[0] = x + DV else this.t = 0 } // return bigint initialized to value function nbv(i) { var r = new BigInteger() r.fromInt(i) return r } // (protected) set from string and radix function bnpFromString(s, b) { var self = this var k if (b == 16) k = 4 else if (b == 8) k = 3 else if (b == 256) k = 8; // byte array else if (b == 2) k = 1 else if (b == 32) k = 5 else if (b == 4) k = 2 else { self.fromRadix(s, b) return } self.t = 0 self.s = 0 var i = s.length, mi = false, sh = 0 while (--i >= 0) { var x = (k == 8) ? s[i] & 0xff : intAt(s, i) if (x < 0) { if (s.charAt(i) == "-") mi = true continue } mi = false if (sh == 0) self[self.t++] = x else if (sh + k > self.DB) { self[self.t - 1] |= (x & ((1 << (self.DB - sh)) - 1)) << sh self[self.t++] = (x >> (self.DB - sh)) } else self[self.t - 1] |= x << sh sh += k if (sh >= self.DB) sh -= self.DB } if (k == 8 && (s[0] & 0x80) != 0) { self.s = -1 if (sh > 0) self[self.t - 1] |= ((1 << (self.DB - sh)) - 1) << sh } self.clamp() if (mi) BigInteger.ZERO.subTo(self, self) } // (protected) clamp off excess high words function bnpClamp() { var c = this.s & this.DM while (this.t > 0 && this[this.t - 1] == c)--this.t } // (public) return string representation in given radix function bnToString(b) { var self = this if (self.s < 0) return "-" + self.negate() .toString(b) var k if (b == 16) k = 4 else if (b == 8) k = 3 else if (b == 2) k = 1 else if (b == 32) k = 5 else if (b == 4) k = 2 else return self.toRadix(b) var km = (1 << k) - 1, d, m = false, r = "", i = self.t var p = self.DB - (i * self.DB) % k if (i-- > 0) { if (p < self.DB && (d = self[i] >> p) > 0) { m = true r = int2char(d) } while (i >= 0) { if (p < k) { d = (self[i] & ((1 << p) - 1)) << (k - p) d |= self[--i] >> (p += self.DB - k) } else { d = (self[i] >> (p -= k)) & km if (p <= 0) { p += self.DB --i } } if (d > 0) m = true if (m) r += int2char(d) } } return m ? r : "0" } // (public) -this function bnNegate() { var r = new BigInteger() BigInteger.ZERO.subTo(this, r) return r } // (public) |this| function bnAbs() { return (this.s < 0) ? this.negate() : this } // (public) return + if this > a, - if this < a, 0 if equal function bnCompareTo(a) { var r = this.s - a.s if (r != 0) return r var i = this.t r = i - a.t if (r != 0) return (this.s < 0) ? -r : r while (--i >= 0) if ((r = this[i] - a[i]) != 0) return r return 0 } // returns bit length of the integer x function nbits(x) { var r = 1, t if ((t = x >>> 16) != 0) { x = t r += 16 } if ((t = x >> 8) != 0) { x = t r += 8 } if ((t = x >> 4) != 0) { x = t r += 4 } if ((t = x >> 2) != 0) { x = t r += 2 } if ((t = x >> 1) != 0) { x = t r += 1 } return r } // (public) return the number of bits in "this" function bnBitLength() { if (this.t <= 0) return 0 return this.DB * (this.t - 1) + nbits(this[this.t - 1] ^ (this.s & this.DM)) } // (public) return the number of bytes in "this" function bnByteLength() { return this.bitLength() >> 3 } // (protected) r = this << n*DB function bnpDLShiftTo(n, r) { var i for (i = this.t - 1; i >= 0; --i) r[i + n] = this[i] for (i = n - 1; i >= 0; --i) r[i] = 0 r.t = this.t + n r.s = this.s } // (protected) r = this >> n*DB function bnpDRShiftTo(n, r) { for (var i = n; i < this.t; ++i) r[i - n] = this[i] r.t = Math.max(this.t - n, 0) r.s = this.s } // (protected) r = this << n function bnpLShiftTo(n, r) { var self = this var bs = n % self.DB var cbs = self.DB - bs var bm = (1 << cbs) - 1 var ds = Math.floor(n / self.DB), c = (self.s << bs) & self.DM, i for (i = self.t - 1; i >= 0; --i) { r[i + ds + 1] = (self[i] >> cbs) | c c = (self[i] & bm) << bs } for (i = ds - 1; i >= 0; --i) r[i] = 0 r[ds] = c r.t = self.t + ds + 1 r.s = self.s r.clamp() } // (protected) r = this >> n function bnpRShiftTo(n, r) { var self = this r.s = self.s var ds = Math.floor(n / self.DB) if (ds >= self.t) { r.t = 0 return } var bs = n % self.DB var cbs = self.DB - bs var bm = (1 << bs) - 1 r[0] = self[ds] >> bs for (var i = ds + 1; i < self.t; ++i) { r[i - ds - 1] |= (self[i] & bm) << cbs r[i - ds] = self[i] >> bs } if (bs > 0) r[self.t - ds - 1] |= (self.s & bm) << cbs r.t = self.t - ds r.clamp() } // (protected) r = this - a function bnpSubTo(a, r) { var self = this var i = 0, c = 0, m = Math.min(a.t, self.t) while (i < m) { c += self[i] - a[i] r[i++] = c & self.DM c >>= self.DB } if (a.t < self.t) { c -= a.s while (i < self.t) { c += self[i] r[i++] = c & self.DM c >>= self.DB } c += self.s } else { c += self.s while (i < a.t) { c -= a[i] r[i++] = c & self.DM c >>= self.DB } c -= a.s } r.s = (c < 0) ? -1 : 0 if (c < -1) r[i++] = self.DV + c else if (c > 0) r[i++] = c r.t = i r.clamp() } // (protected) r = this * a, r != this,a (HAC 14.12) // "this" should be the larger one if appropriate. function bnpMultiplyTo(a, r) { var x = this.abs(), y = a.abs() var i = x.t r.t = i + y.t while (--i >= 0) r[i] = 0 for (i = 0; i < y.t; ++i) r[i + x.t] = x.am(0, y[i], r, i, 0, x.t) r.s = 0 r.clamp() if (this.s != a.s) BigInteger.ZERO.subTo(r, r) } // (protected) r = this^2, r != this (HAC 14.16) function bnpSquareTo(r) { var x = this.abs() var i = r.t = 2 * x.t while (--i >= 0) r[i] = 0 for (i = 0; i < x.t - 1; ++i) { var c = x.am(i, x[i], r, 2 * i, 0, 1) if ((r[i + x.t] += x.am(i + 1, 2 * x[i], r, 2 * i + 1, c, x.t - i - 1)) >= x.DV) { r[i + x.t] -= x.DV r[i + x.t + 1] = 1 } } if (r.t > 0) r[r.t - 1] += x.am(i, x[i], r, 2 * i, 0, 1) r.s = 0 r.clamp() } // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20) // r != q, this != m. q or r may be null. function bnpDivRemTo(m, q, r) { var self = this var pm = m.abs() if (pm.t <= 0) return var pt = self.abs() if (pt.t < pm.t) { if (q != null) q.fromInt(0) if (r != null) self.copyTo(r) return } if (r == null) r = new BigInteger() var y = new BigInteger(), ts = self.s, ms = m.s var nsh = self.DB - nbits(pm[pm.t - 1]); // normalize modulus if (nsh > 0) { pm.lShiftTo(nsh, y) pt.lShiftTo(nsh, r) } else { pm.copyTo(y) pt.copyTo(r) } var ys = y.t var y0 = y[ys - 1] if (y0 == 0) return var yt = y0 * (1 << self.F1) + ((ys > 1) ? y[ys - 2] >> self.F2 : 0) var d1 = self.FV / yt, d2 = (1 << self.F1) / yt, e = 1 << self.F2 var i = r.t, j = i - ys, t = (q == null) ? new BigInteger() : q y.dlShiftTo(j, t) if (r.compareTo(t) >= 0) { r[r.t++] = 1 r.subTo(t, r) } BigInteger.ONE.dlShiftTo(ys, t) t.subTo(y, y); // "negative" y so we can replace sub with am later while (y.t < ys) y[y.t++] = 0 while (--j >= 0) { // Estimate quotient digit var qd = (r[--i] == y0) ? self.DM : Math.floor(r[i] * d1 + (r[i - 1] + e) * d2) if ((r[i] += y.am(0, qd, r, j, 0, ys)) < qd) { // Try it out y.dlShiftTo(j, t) r.subTo(t, r) while (r[i] < --qd) r.subTo(t, r) } } if (q != null) { r.drShiftTo(ys, q) if (ts != ms) BigInteger.ZERO.subTo(q, q) } r.t = ys r.clamp() if (nsh > 0) r.rShiftTo(nsh, r); // Denormalize remainder if (ts < 0) BigInteger.ZERO.subTo(r, r) } // (public) this mod a function bnMod(a) { var r = new BigInteger() this.abs() .divRemTo(a, null, r) if (this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r, r) return r } // Modular reduction using "classic" algorithm function Classic(m) { this.m = m } function cConvert(x) { if (x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m) else return x } function cRevert(x) { return x } function cReduce(x) { x.divRemTo(this.m, null, x) } function cMulTo(x, y, r) { x.multiplyTo(y, r) this.reduce(r) } function cSqrTo(x, r) { x.squareTo(r) this.reduce(r) } Classic.prototype.convert = cConvert Classic.prototype.revert = cRevert Classic.prototype.reduce = cReduce Classic.prototype.mulTo = cMulTo Classic.prototype.sqrTo = cSqrTo // (protected) return "-1/this % 2^DB"; useful for Mont. reduction // justification: // xy == 1 (mod m) // xy = 1+km // xy(2-xy) = (1+km)(1-km) // x[y(2-xy)] = 1-k^2m^2 // x[y(2-xy)] == 1 (mod m^2) // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2 // should reduce x and y(2-xy) by m^2 at each step to keep size bounded. // JS multiply "overflows" differently from C/C++, so care is needed here. function bnpInvDigit() { if (this.t < 1) return 0 var x = this[0] if ((x & 1) == 0) return 0 var y = x & 3; // y == 1/x mod 2^2 y = (y * (2 - (x & 0xf) * y)) & 0xf; // y == 1/x mod 2^4 y = (y * (2 - (x & 0xff) * y)) & 0xff; // y == 1/x mod 2^8 y = (y * (2 - (((x & 0xffff) * y) & 0xffff))) & 0xffff; // y == 1/x mod 2^16 // last step - calculate inverse mod DV directly // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints y = (y * (2 - x * y % this.DV)) % this.DV; // y == 1/x mod 2^dbits // we really want the negative inverse, and -DV < y < DV return (y > 0) ? this.DV - y : -y } // Montgomery reduction function Montgomery(m) { this.m = m this.mp = m.invDigit() this.mpl = this.mp & 0x7fff this.mph = this.mp >> 15 this.um = (1 << (m.DB - 15)) - 1 this.mt2 = 2 * m.t } // xR mod m function montConvert(x) { var r = new BigInteger() x.abs() .dlShiftTo(this.m.t, r) r.divRemTo(this.m, null, r) if (x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r, r) return r } // x/R mod m function montRevert(x) { var r = new BigInteger() x.copyTo(r) this.reduce(r) return r } // x = x/R mod m (HAC 14.32) function montReduce(x) { while (x.t <= this.mt2) // pad x so am has enough room later x[x.t++] = 0 for (var i = 0; i < this.m.t; ++i) { // faster way of calculating u0 = x[i]*mp mod DV var j = x[i] & 0x7fff var u0 = (j * this.mpl + (((j * this.mph + (x[i] >> 15) * this.mpl) & this.um) << 15)) & x.DM // use am to combine the multiply-shift-add into one call j = i + this.m.t x[j] += this.m.am(0, u0, x, i, 0, this.m.t) // propagate carry while (x[j] >= x.DV) { x[j] -= x.DV x[++j]++ } } x.clamp() x.drShiftTo(this.m.t, x) if (x.compareTo(this.m) >= 0) x.subTo(this.m, x) } // r = "x^2/R mod m"; x != r function montSqrTo(x, r) { x.squareTo(r) this.reduce(r) } // r = "xy/R mod m"; x,y != r function montMulTo(x, y, r) { x.multiplyTo(y, r) this.reduce(r) } Montgomery.prototype.convert = montConvert Montgomery.prototype.revert = montRevert Montgomery.prototype.reduce = montReduce Montgomery.prototype.mulTo = montMulTo Montgomery.prototype.sqrTo = montSqrTo // (protected) true iff this is even function bnpIsEven() { return ((this.t > 0) ? (this[0] & 1) : this.s) == 0 } // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79) function bnpExp(e, z) { if (e > 0xffffffff || e < 1) return BigInteger.ONE var r = new BigInteger(), r2 = new BigInteger(), g = z.convert(this), i = nbits(e) - 1 g.copyTo(r) while (--i >= 0) { z.sqrTo(r, r2) if ((e & (1 << i)) > 0) z.mulTo(r2, g, r) else { var t = r r = r2 r2 = t } } return z.revert(r) } // (public) this^e % m, 0 <= e < 2^32 function bnModPowInt(e, m) { var z if (e < 256 || m.isEven()) z = new Classic(m) else z = new Montgomery(m) return this.exp(e, z) } // protected proto.copyTo = bnpCopyTo proto.fromInt = bnpFromInt proto.fromString = bnpFromString proto.clamp = bnpClamp proto.dlShiftTo = bnpDLShiftTo proto.drShiftTo = bnpDRShiftTo proto.lShiftTo = bnpLShiftTo proto.rShiftTo = bnpRShiftTo proto.subTo = bnpSubTo proto.multiplyTo = bnpMultiplyTo proto.squareTo = bnpSquareTo proto.divRemTo = bnpDivRemTo proto.invDigit = bnpInvDigit proto.isEven = bnpIsEven proto.exp = bnpExp // public proto.toString = bnToString proto.negate = bnNegate proto.abs = bnAbs proto.compareTo = bnCompareTo proto.bitLength = bnBitLength proto.byteLength = bnByteLength proto.mod = bnMod proto.modPowInt = bnModPowInt // (public) function bnClone() { var r = new BigInteger() this.copyTo(r) return r } // (public) return value as integer function bnIntValue() { if (this.s < 0) { if (this.t == 1) return this[0] - this.DV else if (this.t == 0) return -1 } else if (this.t == 1) return this[0] else if (this.t == 0) return 0 // assumes 16 < DB < 32 return ((this[1] & ((1 << (32 - this.DB)) - 1)) << this.DB) | this[0] } // (public) return value as byte function bnByteValue() { return (this.t == 0) ? this.s : (this[0] << 24) >> 24 } // (public) return value as short (assumes DB>=16) function bnShortValue() { return (this.t == 0) ? this.s : (this[0] << 16) >> 16 } // (protected) return x s.t. r^x < DV function bnpChunkSize(r) { return Math.floor(Math.LN2 * this.DB / Math.log(r)) } // (public) 0 if this == 0, 1 if this > 0 function bnSigNum() { if (this.s < 0) return -1 else if (this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0 else return 1 } // (protected) convert to radix string function bnpToRadix(b) { if (b == null) b = 10 if (this.signum() == 0 || b < 2 || b > 36) return "0" var cs = this.chunkSize(b) var a = Math.pow(b, cs) var d = nbv(a), y = new BigInteger(), z = new BigInteger(), r = "" this.divRemTo(d, y, z) while (y.signum() > 0) { r = (a + z.intValue()) .toString(b) .substr(1) + r y.divRemTo(d, y, z) } return z.intValue() .toString(b) + r } // (protected) convert from radix string function bnpFromRadix(s, b) { var self = this self.fromInt(0) if (b == null) b = 10 var cs = self.chunkSize(b) var d = Math.pow(b, cs), mi = false, j = 0, w = 0 for (var i = 0; i < s.length; ++i) { var x = intAt(s, i) if (x < 0) { if (s.charAt(i) == "-" && self.signum() == 0) mi = true continue } w = b * w + x if (++j >= cs) { self.dMultiply(d) self.dAddOffset(w, 0) j = 0 w = 0 } } if (j > 0) { self.dMultiply(Math.pow(b, j)) self.dAddOffset(w, 0) } if (mi) BigInteger.ZERO.subTo(self, self) } // (protected) alternate constructor function bnpFromNumber(a, b, c) { var self = this if ("number" == typeof b) { // new BigInteger(int,int,RNG) if (a < 2) self.fromInt(1) else { self.fromNumber(a, c) if (!self.testBit(a - 1)) // force MSB set self.bitwiseTo(BigInteger.ONE.shiftLeft(a - 1), op_or, self) if (self.isEven()) self.dAddOffset(1, 0); // force odd while (!self.isProbablePrime(b)) { self.dAddOffset(2, 0) if (self.bitLength() > a) self.subTo(BigInteger.ONE.shiftLeft(a - 1), self) } } } else { // new BigInteger(int,RNG) var x = new Array(), t = a & 7 x.length = (a >> 3) + 1 b.nextBytes(x) if (t > 0) x[0] &= ((1 << t) - 1) else x[0] = 0 self.fromString(x, 256) } } // (public) convert to bigendian byte array function bnToByteArray() { var self = this var i = self.t, r = new Array() r[0] = self.s var p = self.DB - (i * self.DB) % 8, d, k = 0 if (i-- > 0) { if (p < self.DB && (d = self[i] >> p) != (self.s & self.DM) >> p) r[k++] = d | (self.s << (self.DB - p)) while (i >= 0) { if (p < 8) { d = (self[i] & ((1 << p) - 1)) << (8 - p) d |= self[--i] >> (p += self.DB - 8) } else { d = (self[i] >> (p -= 8)) & 0xff if (p <= 0) { p += self.DB --i } } if ((d & 0x80) != 0) d |= -256 if (k === 0 && (self.s & 0x80) != (d & 0x80))++k if (k > 0 || d != self.s) r[k++] = d } } return r } function bnEquals(a) { return (this.compareTo(a) == 0) } function bnMin(a) { return (this.compareTo(a) < 0) ? this : a } function bnMax(a) { return (this.compareTo(a) > 0) ? this : a } // (protected) r = this op a (bitwise) function bnpBitwiseTo(a, op, r) { var self = this var i, f, m = Math.min(a.t, self.t) for (i = 0; i < m; ++i) r[i] = op(self[i], a[i]) if (a.t < self.t) { f = a.s & self.DM for (i = m; i < self.t; ++i) r[i] = op(self[i], f) r.t = self.t } else { f = self.s & self.DM for (i = m; i < a.t; ++i) r[i] = op(f, a[i]) r.t = a.t } r.s = op(self.s, a.s) r.clamp() } // (public) this & a function op_and(x, y) { return x & y } function bnAnd(a) { var r = new BigInteger() this.bitwiseTo(a, op_and, r) return r } // (public) this | a function op_or(x, y) { return x | y } function bnOr(a) { var r = new BigInteger() this.bitwiseTo(a, op_or, r) return r } // (public) this ^ a function op_xor(x, y) { return x ^ y } function bnXor(a) { var r = new BigInteger() this.bitwiseTo(a, op_xor, r) return r } // (public) this & ~a function op_andnot(x, y) { return x & ~y } function bnAndNot(a) { var r = new BigInteger() this.bitwiseTo(a, op_andnot, r) return r } // (public) ~this function bnNot() { var r = new BigInteger() for (var i = 0; i < this.t; ++i) r[i] = this.DM & ~this[i] r.t = this.t r.s = ~this.s return r } // (public) this << n function bnShiftLeft(n) { var r = new BigInteger() if (n < 0) this.rShiftTo(-n, r) else this.lShiftTo(n, r) return r } // (public) this >> n function bnShiftRight(n) { var r = new BigInteger() if (n < 0) this.lShiftTo(-n, r) else this.rShiftTo(n, r) return r } // return index of lowest 1-bit in x, x < 2^31 function lbit(x) { if (x == 0) return -1 var r = 0 if ((x & 0xffff) == 0) { x >>= 16 r += 16 } if ((x & 0xff) == 0) { x >>= 8 r += 8 } if ((x & 0xf) == 0) { x >>= 4 r += 4 } if ((x & 3) == 0) { x >>= 2 r += 2 } if ((x & 1) == 0)++r return r } // (public) returns index of lowest 1-bit (or -1 if none) function bnGetLowestSetBit() { for (var i = 0; i < this.t; ++i) if (this[i] != 0) return i * this.DB + lbit(this[i]) if (this.s < 0) return this.t * this.DB return -1 } // return number of 1 bits in x function cbit(x) { var r = 0 while (x != 0) { x &= x - 1 ++r } return r } // (public) return number of set bits function bnBitCount() { var r = 0, x = this.s & this.DM for (var i = 0; i < this.t; ++i) r += cbit(this[i] ^ x) return r } // (public) true iff nth bit is set function bnTestBit(n) { var j = Math.floor(n / this.DB) if (j >= this.t) return (this.s != 0) return ((this[j] & (1 << (n % this.DB))) != 0) } // (protected) this op (1<>= self.DB } if (a.t < self.t) { c += a.s while (i < self.t) { c += self[i] r[i++] = c & self.DM c >>= self.DB } c += self.s } else { c += self.s while (i < a.t) { c += a[i] r[i++] = c & self.DM c >>= self.DB } c += a.s } r.s = (c < 0) ? -1 : 0 if (c > 0) r[i++] = c else if (c < -1) r[i++] = self.DV + c r.t = i r.clamp() } // (public) this + a function bnAdd(a) { var r = new BigInteger() this.addTo(a, r) return r } // (public) this - a function bnSubtract(a) { var r = new BigInteger() this.subTo(a, r) return r } // (public) this * a function bnMultiply(a) { var r = new BigInteger() this.multiplyTo(a, r) return r } // (public) this^2 function bnSquare() { var r = new BigInteger() this.squareTo(r) return r } // (public) this / a function bnDivide(a) { var r = new BigInteger() this.divRemTo(a, r, null) return r } // (public) this % a function bnRemainder(a) { var r = new BigInteger() this.divRemTo(a, null, r) return r } // (public) [this/a,this%a] function bnDivideAndRemainder(a) { var q = new BigInteger(), r = new BigInteger() this.divRemTo(a, q, r) return new Array(q, r) } // (protected) this *= n, this >= 0, 1 < n < DV function bnpDMultiply(n) { this[this.t] = this.am(0, n - 1, this, 0, 0, this.t) ++this.t this.clamp() } // (protected) this += n << w words, this >= 0 function bnpDAddOffset(n, w) { if (n == 0) return while (this.t <= w) this[this.t++] = 0 this[w] += n while (this[w] >= this.DV) { this[w] -= this.DV if (++w >= this.t) this[this.t++] = 0 ++this[w] } } // A "null" reducer function NullExp() {} function nNop(x) { return x } function nMulTo(x, y, r) { x.multiplyTo(y, r) } function nSqrTo(x, r) { x.squareTo(r) } NullExp.prototype.convert = nNop NullExp.prototype.revert = nNop NullExp.prototype.mulTo = nMulTo NullExp.prototype.sqrTo = nSqrTo // (public) this^e function bnPow(e) { return this.exp(e, new NullExp()) } // (protected) r = lower n words of "this * a", a.t <= n // "this" should be the larger one if appropriate. function bnpMultiplyLowerTo(a, n, r) { var i = Math.min(this.t + a.t, n) r.s = 0; // assumes a,this >= 0 r.t = i while (i > 0) r[--i] = 0 var j for (j = r.t - this.t; i < j; ++i) r[i + this.t] = this.am(0, a[i], r, i, 0, this.t) for (j = Math.min(a.t, n); i < j; ++i) this.am(0, a[i], r, i, 0, n - i) r.clamp() } // (protected) r = "this * a" without lower n words, n > 0 // "this" should be the larger one if appropriate. function bnpMultiplyUpperTo(a, n, r) { --n var i = r.t = this.t + a.t - n r.s = 0; // assumes a,this >= 0 while (--i >= 0) r[i] = 0 for (i = Math.max(n - this.t, 0); i < a.t; ++i) r[this.t + i - n] = this.am(n - i, a[i], r, 0, 0, this.t + i - n) r.clamp() r.drShiftTo(1, r) } // Barrett modular reduction function Barrett(m) { // setup Barrett this.r2 = new BigInteger() this.q3 = new BigInteger() BigInteger.ONE.dlShiftTo(2 * m.t, this.r2) this.mu = this.r2.divide(m) this.m = m } function barrettConvert(x) { if (x.s < 0 || x.t > 2 * this.m.t) return x.mod(this.m) else if (x.compareTo(this.m) < 0) return x else { var r = new BigInteger() x.copyTo(r) this.reduce(r) return r } } function barrettRevert(x) { return x } // x = x mod m (HAC 14.42) function barrettReduce(x) { var self = this x.drShiftTo(self.m.t - 1, self.r2) if (x.t > self.m.t + 1) { x.t = self.m.t + 1 x.clamp() } self.mu.multiplyUpperTo(self.r2, self.m.t + 1, self.q3) self.m.multiplyLowerTo(self.q3, self.m.t + 1, self.r2) while (x.compareTo(self.r2) < 0) x.dAddOffset(1, self.m.t + 1) x.subTo(self.r2, x) while (x.compareTo(self.m) >= 0) x.subTo(self.m, x) } // r = x^2 mod m; x != r function barrettSqrTo(x, r) { x.squareTo(r) this.reduce(r) } // r = x*y mod m; x,y != r function barrettMulTo(x, y, r) { x.multiplyTo(y, r) this.reduce(r) } Barrett.prototype.convert = barrettConvert Barrett.prototype.revert = barrettRevert Barrett.prototype.reduce = barrettReduce Barrett.prototype.mulTo = barrettMulTo Barrett.prototype.sqrTo = barrettSqrTo // (public) this^e % m (HAC 14.85) function bnModPow(e, m) { var i = e.bitLength(), k, r = nbv(1), z if (i <= 0) return r else if (i < 18) k = 1 else if (i < 48) k = 3 else if (i < 144) k = 4 else if (i < 768) k = 5 else k = 6 if (i < 8) z = new Classic(m) else if (m.isEven()) z = new Barrett(m) else z = new Montgomery(m) // precomputation var g = new Array(), n = 3, k1 = k - 1, km = (1 << k) - 1 g[1] = z.convert(this) if (k > 1) { var g2 = new BigInteger() z.sqrTo(g[1], g2) while (n <= km) { g[n] = new BigInteger() z.mulTo(g2, g[n - 2], g[n]) n += 2 } } var j = e.t - 1, w, is1 = true, r2 = new BigInteger(), t i = nbits(e[j]) - 1 while (j >= 0) { if (i >= k1) w = (e[j] >> (i - k1)) & km else { w = (e[j] & ((1 << (i + 1)) - 1)) << (k1 - i) if (j > 0) w |= e[j - 1] >> (this.DB + i - k1) } n = k while ((w & 1) == 0) { w >>= 1 --n } if ((i -= n) < 0) { i += this.DB --j } if (is1) { // ret == 1, don't bother squaring or multiplying it g[w].copyTo(r) is1 = false } else { while (n > 1) { z.sqrTo(r, r2) z.sqrTo(r2, r) n -= 2 } if (n > 0) z.sqrTo(r, r2) else { t = r r = r2 r2 = t } z.mulTo(r2, g[w], r) } while (j >= 0 && (e[j] & (1 << i)) == 0) { z.sqrTo(r, r2) t = r r = r2 r2 = t if (--i < 0) { i = this.DB - 1 --j } } } return z.revert(r) } // (public) gcd(this,a) (HAC 14.54) function bnGCD(a) { var x = (this.s < 0) ? this.negate() : this.clone() var y = (a.s < 0) ? a.negate() : a.clone() if (x.compareTo(y) < 0) { var t = x x = y y = t } var i = x.getLowestSetBit(), g = y.getLowestSetBit() if (g < 0) return x if (i < g) g = i if (g > 0) { x.rShiftTo(g, x) y.rShiftTo(g, y) } while (x.signum() > 0) { if ((i = x.getLowestSetBit()) > 0) x.rShiftTo(i, x) if ((i = y.getLowestSetBit()) > 0) y.rShiftTo(i, y) if (x.compareTo(y) >= 0) { x.subTo(y, x) x.rShiftTo(1, x) } else { y.subTo(x, y) y.rShiftTo(1, y) } } if (g > 0) y.lShiftTo(g, y) return y } // (protected) this % n, n < 2^26 function bnpModInt(n) { if (n <= 0) return 0 var d = this.DV % n, r = (this.s < 0) ? n - 1 : 0 if (this.t > 0) if (d == 0) r = this[0] % n else for (var i = this.t - 1; i >= 0; --i) r = (d * r + this[i]) % n return r } // (public) 1/this % m (HAC 14.61) function bnModInverse(m) { var ac = m.isEven() if ((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO var u = m.clone(), v = this.clone() var a = nbv(1), b = nbv(0), c = nbv(0), d = nbv(1) while (u.signum() != 0) { while (u.isEven()) { u.rShiftTo(1, u) if (ac) { if (!a.isEven() || !b.isEven()) { a.addTo(this, a) b.subTo(m, b) } a.rShiftTo(1, a) } else if (!b.isEven()) b.subTo(m, b) b.rShiftTo(1, b) } while (v.isEven()) { v.rShiftTo(1, v) if (ac) { if (!c.isEven() || !d.isEven()) { c.addTo(this, c) d.subTo(m, d) } c.rShiftTo(1, c) } else if (!d.isEven()) d.subTo(m, d) d.rShiftTo(1, d) } if (u.compareTo(v) >= 0) { u.subTo(v, u) if (ac) a.subTo(c, a) b.subTo(d, b) } else { v.subTo(u, v) if (ac) c.subTo(a, c) d.subTo(b, d) } } if (v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO if (d.compareTo(m) >= 0) return d.subtract(m) if (d.signum() < 0) d.addTo(m, d) else return d if (d.signum() < 0) return d.add(m) else return d } var lowprimes = [ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997 ] var lplim = (1 << 26) / lowprimes[lowprimes.length - 1] // (public) test primality with certainty >= 1-.5^t function bnIsProbablePrime(t) { var i, x = this.abs() if (x.t == 1 && x[0] <= lowprimes[lowprimes.length - 1]) { for (i = 0; i < lowprimes.length; ++i) if (x[0] == lowprimes[i]) return true return false } if (x.isEven()) return false i = 1 while (i < lowprimes.length) { var m = lowprimes[i], j = i + 1 while (j < lowprimes.length && m < lplim) m *= lowprimes[j++] m = x.modInt(m) while (i < j) if (m % lowprimes[i++] == 0) return false } return x.millerRabin(t) } // (protected) true if probably prime (HAC 4.24, Miller-Rabin) function bnpMillerRabin(t) { var n1 = this.subtract(BigInteger.ONE) var k = n1.getLowestSetBit() if (k <= 0) return false var r = n1.shiftRight(k) t = (t + 1) >> 1 if (t > lowprimes.length) t = lowprimes.length var a = new BigInteger(null) var j, bases = [] for (var i = 0; i < t; ++i) { for (;;) { j = lowprimes[Math.floor(Math.random() * lowprimes.length)] if (bases.indexOf(j) == -1) break } bases.push(j) a.fromInt(j) var y = a.modPow(r, this) if (y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) { var j = 1 while (j++ < k && y.compareTo(n1) != 0) { y = y.modPowInt(2, this) if (y.compareTo(BigInteger.ONE) == 0) return false } if (y.compareTo(n1) != 0) return false } } return true } // protected proto.chunkSize = bnpChunkSize proto.toRadix = bnpToRadix proto.fromRadix = bnpFromRadix proto.fromNumber = bnpFromNumber proto.bitwiseTo = bnpBitwiseTo proto.changeBit = bnpChangeBit proto.addTo = bnpAddTo proto.dMultiply = bnpDMultiply proto.dAddOffset = bnpDAddOffset proto.multiplyLowerTo = bnpMultiplyLowerTo proto.multiplyUpperTo = bnpMultiplyUpperTo proto.modInt = bnpModInt proto.millerRabin = bnpMillerRabin // public proto.clone = bnClone proto.intValue = bnIntValue proto.byteValue = bnByteValue proto.shortValue = bnShortValue proto.signum = bnSigNum proto.toByteArray = bnToByteArray proto.equals = bnEquals proto.min = bnMin proto.max = bnMax proto.and = bnAnd proto.or = bnOr proto.xor = bnXor proto.andNot = bnAndNot proto.not = bnNot proto.shiftLeft = bnShiftLeft proto.shiftRight = bnShiftRight proto.getLowestSetBit = bnGetLowestSetBit proto.bitCount = bnBitCount proto.testBit = bnTestBit proto.setBit = bnSetBit proto.clearBit = bnClearBit proto.flipBit = bnFlipBit proto.add = bnAdd proto.subtract = bnSubtract proto.multiply = bnMultiply proto.divide = bnDivide proto.remainder = bnRemainder proto.divideAndRemainder = bnDivideAndRemainder proto.modPow = bnModPow proto.modInverse = bnModInverse proto.pow = bnPow proto.gcd = bnGCD proto.isProbablePrime = bnIsProbablePrime // JSBN-specific extension proto.square = bnSquare // constants BigInteger.ZERO = nbv(0) BigInteger.ONE = nbv(1) BigInteger.valueOf = nbv module.exports = BigInteger },{"../package.json":8}],6:[function(require,module,exports){ (function (Buffer){ // FIXME: Kind of a weird way to throw exceptions, consider removing var assert = require('assert') var BigInteger = require('./bigi') /** * Turns a byte array into a big integer. * * This function will interpret a byte array as a big integer in big * endian notation. */ BigInteger.fromByteArrayUnsigned = function(byteArray) { // BigInteger expects a DER integer conformant byte array if (byteArray[0] & 0x80) { return new BigInteger([0].concat(byteArray)) } return new BigInteger(byteArray) } /** * Returns a byte array representation of the big integer. * * This returns the absolute of the contained value in big endian * form. A value of zero results in an empty array. */ BigInteger.prototype.toByteArrayUnsigned = function() { var byteArray = this.toByteArray() return byteArray[0] === 0 ? byteArray.slice(1) : byteArray } BigInteger.fromDERInteger = function(byteArray) { return new BigInteger(byteArray) } /* * Converts BigInteger to a DER integer representation. * * The format for this value uses the most significant bit as a sign * bit. If the most significant bit is already set and the integer is * positive, a 0x00 is prepended. * * Examples: * * 0 => 0x00 * 1 => 0x01 * -1 => 0xff * 127 => 0x7f * -127 => 0x81 * 128 => 0x0080 * -128 => 0x80 * 255 => 0x00ff * -255 => 0xff01 * 16300 => 0x3fac * -16300 => 0xc054 * 62300 => 0x00f35c * -62300 => 0xff0ca4 */ BigInteger.prototype.toDERInteger = BigInteger.prototype.toByteArray BigInteger.fromBuffer = function(buffer) { // BigInteger expects a DER integer conformant byte array if (buffer[0] & 0x80) { var byteArray = Array.prototype.slice.call(buffer) return new BigInteger([0].concat(byteArray)) } return new BigInteger(buffer) } BigInteger.fromHex = function(hex) { if (hex === '') return BigInteger.ZERO assert.equal(hex, hex.match(/^[A-Fa-f0-9]+/), 'Invalid hex string') assert.equal(hex.length % 2, 0, 'Incomplete hex') return new BigInteger(hex, 16) } BigInteger.prototype.toBuffer = function(size) { var byteArray = this.toByteArrayUnsigned() var zeros = [] var padding = size - byteArray.length while (zeros.length < padding) zeros.push(0) return new Buffer(zeros.concat(byteArray)) } BigInteger.prototype.toHex = function(size) { return this.toBuffer(size).toString('hex') } }).call(this,require("buffer").Buffer) },{"./bigi":5,"assert":157,"buffer":172}],7:[function(require,module,exports){ var BigInteger = require('./bigi') //addons require('./convert') module.exports = BigInteger },{"./bigi":5,"./convert":6}],8:[function(require,module,exports){ module.exports={ "name": "bigi", "version": "1.4.0", "description": "Big integers.", "keywords": [ "cryptography", "math", "bitcoin", "arbitrary", "precision", "arithmetic", "big", "integer", "int", "number", "biginteger", "bigint", "bignumber", "decimal", "float" ], "devDependencies": { "mocha": "^1.20.1", "jshint": "^2.5.1", "coveralls": "^2.10.0", "istanbul": "^0.2.11" }, "repository": { "url": "https://github.com/cryptocoinjs/bigi", "type": "git" }, "main": "./lib/index.js", "scripts": { "test": "_mocha -- test/*.js", "jshint": "jshint --config jshint.json lib/*.js ; true", "unit": "mocha", "coverage": "istanbul cover ./node_modules/.bin/_mocha -- --reporter list test/*.js", "coveralls": "npm run-script coverage && node ./node_modules/.bin/coveralls < coverage/lcov.info" }, "dependencies": {}, "testling": { "files": "test/*.js", "harness": "mocha", "browsers": [ "ie/9..latest", "firefox/latest", "chrome/latest", "safari/6.0..latest", "iphone/6.0..latest", "android-browser/4.2..latest" ] }, "bugs": { "url": "https://github.com/cryptocoinjs/bigi/issues" }, "homepage": "https://github.com/cryptocoinjs/bigi", "_id": "bigi@1.4.0", "dist": { "shasum": "90ac1aeac0a531216463bdb58f42c1e05c8407ac", "tarball": "http://registry.npmjs.org/bigi/-/bigi-1.4.0.tgz" }, "_from": "bigi@>=1.4.0 <2.0.0", "_npmVersion": "1.4.3", "_npmUser": { "name": "jp", "email": "jprichardson@gmail.com" }, "maintainers": [ { "name": "jp", "email": "jprichardson@gmail.com" }, { "name": "midnightlightning", "email": "boydb@midnightdesign.ws" }, { "name": "sidazhang", "email": "sidazhang89@gmail.com" }, { "name": "nadav", "email": "npm@shesek.info" } ], "directories": {}, "_shasum": "90ac1aeac0a531216463bdb58f42c1e05c8407ac", "_resolved": "https://registry.npmjs.org/bigi/-/bigi-1.4.0.tgz" } },{}],9:[function(require,module,exports){ (function (Buffer){ 'use strict'; var base58 = require('bs58') var createHash = require('create-hash') // SHA256(SHA256(buffer)) function sha256x2(buffer) { buffer = createHash('sha256').update(buffer).digest() return createHash('sha256').update(buffer).digest() } // Encode a buffer as a base58-check encoded string function encode(payload) { var checksum = sha256x2(payload).slice(0, 4) return base58.encode(Buffer.concat([ payload, checksum ])) } // Decode a base58-check encoded string to a buffer function decode(string) { var buffer = new Buffer(base58.decode(string)) var payload = buffer.slice(0, -4) var checksum = buffer.slice(-4) var newChecksum = sha256x2(payload).slice(0, 4) if (!Array.prototype.every.call(newChecksum, function(x, i) { return x === checksum[i] })) { throw new Error('Invalid checksum') } return payload } module.exports = { encode: encode, decode: decode } }).call(this,require("buffer").Buffer) },{"bs58":10,"buffer":172,"create-hash":11}],10:[function(require,module,exports){ // Base58 encoding/decoding // Originally written by Mike Hearn for BitcoinJ // Copyright (c) 2011 Google Inc // Ported to JavaScript by Stefan Thomas // Merged Buffer refactorings from base58-native by Stephen Pair // Copyright (c) 2013 BitPay Inc var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz' var ALPHABET_MAP = {} for(var i = 0; i < ALPHABET.length; i++) { ALPHABET_MAP[ALPHABET.charAt(i)] = i } var BASE = 58 function encode(buffer) { if (buffer.length === 0) return '' var i, j, digits = [0] for (i = 0; i < buffer.length; i++) { for (j = 0; j < digits.length; j++) digits[j] <<= 8 digits[0] += buffer[i] var carry = 0 for (j = 0; j < digits.length; ++j) { digits[j] += carry carry = (digits[j] / BASE) | 0 digits[j] %= BASE } while (carry) { digits.push(carry % BASE) carry = (carry / BASE) | 0 } } // deal with leading zeros for (i = 0; buffer[i] === 0 && i < buffer.length - 1; i++) digits.push(0) // convert digits to a string var stringOutput = "" for (var i = digits.length - 1; i >= 0; i--) { stringOutput = stringOutput + ALPHABET[digits[i]] } return stringOutput } function decode(string) { if (string.length === 0) return [] var i, j, bytes = [0] for (i = 0; i < string.length; i++) { var c = string[i] if (!(c in ALPHABET_MAP)) throw new Error('Non-base58 character') for (j = 0; j < bytes.length; j++) bytes[j] *= BASE bytes[0] += ALPHABET_MAP[c] var carry = 0 for (j = 0; j < bytes.length; ++j) { bytes[j] += carry carry = bytes[j] >> 8 bytes[j] &= 0xff } while (carry) { bytes.push(carry & 0xff) carry >>= 8 } } // deal with leading zeros for (i = 0; string[i] === '1' && i < string.length - 1; i++) bytes.push(0) return bytes.reverse() } module.exports = { encode: encode, decode: decode } },{}],11:[function(require,module,exports){ (function (Buffer){ 'use strict'; var inherits = require('inherits') var md5 = require('./md5') var rmd160 = require('ripemd160') var sha = require('sha.js') var Transform = require('stream').Transform function HashNoConstructor(hash) { Transform.call(this) this._hash = hash this.buffers = [] } inherits(HashNoConstructor, Transform) HashNoConstructor.prototype._transform = function (data, _, next) { this.buffers.push(data) next() } HashNoConstructor.prototype._flush = function (next) { this.push(this.digest()) next() } HashNoConstructor.prototype.update = function (data, enc) { if (typeof data === 'string') { data = new Buffer(data, enc) } this.buffers.push(data) return this } HashNoConstructor.prototype.digest = function (enc) { var buf = Buffer.concat(this.buffers) var r = this._hash(buf) this.buffers = null return enc ? r.toString(enc) : r } function Hash(hash) { Transform.call(this) this._hash = hash } inherits(Hash, Transform) Hash.prototype._transform = function (data, enc, next) { if (enc) data = new Buffer(data, enc) this._hash.update(data) next() } Hash.prototype._flush = function (next) { this.push(this._hash.digest()) this._hash = null next() } Hash.prototype.update = function (data, enc) { if (typeof data === 'string') { data = new Buffer(data, enc) } this._hash.update(data) return this } Hash.prototype.digest = function (enc) { var outData = this._hash.digest() return enc ? outData.toString(enc) : outData } module.exports = function createHash (alg) { if ('md5' === alg) return new HashNoConstructor(md5) if ('rmd160' === alg) return new HashNoConstructor(rmd160) return new Hash(sha(alg)) } }).call(this,require("buffer").Buffer) },{"./md5":13,"buffer":172,"inherits":14,"ripemd160":15,"sha.js":17,"stream":339}],12:[function(require,module,exports){ (function (Buffer){ 'use strict'; var intSize = 4; var zeroBuffer = new Buffer(intSize); zeroBuffer.fill(0); var chrsz = 8; function toArray(buf, bigEndian) { if ((buf.length % intSize) !== 0) { var len = buf.length + (intSize - (buf.length % intSize)); buf = Buffer.concat([buf, zeroBuffer], len); } var arr = []; var fn = bigEndian ? buf.readInt32BE : buf.readInt32LE; for (var i = 0; i < buf.length; i += intSize) { arr.push(fn.call(buf, i)); } return arr; } function toBuffer(arr, size, bigEndian) { var buf = new Buffer(size); var fn = bigEndian ? buf.writeInt32BE : buf.writeInt32LE; for (var i = 0; i < arr.length; i++) { fn.call(buf, arr[i], i * 4, true); } return buf; } function hash(buf, fn, hashSize, bigEndian) { if (!Buffer.isBuffer(buf)) buf = new Buffer(buf); var arr = fn(toArray(buf, bigEndian), buf.length * chrsz); return toBuffer(arr, hashSize, bigEndian); } exports.hash = hash; }).call(this,require("buffer").Buffer) },{"buffer":172}],13:[function(require,module,exports){ 'use strict'; /* * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message * Digest Algorithm, as defined in RFC 1321. * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002. * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet * Distributed under the BSD License * See http://pajhome.org.uk/crypt/md5 for more info. */ var helpers = require('./helpers'); /* * Calculate the MD5 of an array of little-endian words, and a bit length */ function core_md5(x, len) { /* append padding */ x[len >> 5] |= 0x80 << ((len) % 32); x[(((len + 64) >>> 9) << 4) + 14] = len; var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; for(var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936); d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416); d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); c = md5_ff(c, d, a, b, x[i+10], 17, -42063); b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510); d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083); c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438); d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501); a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473); b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558); d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353); c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); } return Array(a, b, c, d); } /* * These functions implement the four basic operations the algorithm uses. */ function md5_cmn(q, a, b, x, s, t) { return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b); } function md5_ff(a, b, c, d, x, s, t) { return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); } function md5_gg(a, b, c, d, x, s, t) { return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); } function md5_hh(a, b, c, d, x, s, t) { return md5_cmn(b ^ c ^ d, a, b, x, s, t); } function md5_ii(a, b, c, d, x, s, t) { return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); } /* * Add integers, wrapping at 2^32. This uses 16-bit operations internally * to work around bugs in some JS interpreters. */ function safe_add(x, y) { var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); } /* * Bitwise rotate a 32-bit number to the left. */ function bit_rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); } module.exports = function md5(buf) { return helpers.hash(buf, core_md5, 16); }; },{"./helpers":12}],14:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }); }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } },{}],15:[function(require,module,exports){ (function (Buffer){ /* CryptoJS v3.1.2 code.google.com/p/crypto-js (c) 2009-2013 by Jeff Mott. All rights reserved. code.google.com/p/crypto-js/wiki/License */ /** @preserve (c) 2012 by Cédric Mesnil. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // constants table var zl = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13] var zr = [ 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11] var sl = [ 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 ] var sr = [ 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 ] var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E] var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000] function bytesToWords(bytes) { var words = [] for (var i = 0, b = 0; i < bytes.length; i++, b += 8) { words[b >>> 5] |= bytes[i] << (24 - b % 32) } return words } function wordsToBytes(words) { var bytes = [] for (var b = 0; b < words.length * 32; b += 8) { bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF) } return bytes } function processBlock(H, M, offset) { // swap endian for (var i = 0; i < 16; i++) { var offset_i = offset + i; var M_offset_i = M[offset_i] // Swap M[offset_i] = ( (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) | (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00) ) } // Working variables var al, bl, cl, dl, el var ar, br, cr, dr, er ar = al = H[0] br = bl = H[1] cr = cl = H[2] dr = dl = H[3] er = el = H[4] // computation var t for (var i = 0; i < 80; i += 1) { t = (al + M[offset+zl[i]])|0 if (i<16){ t += f1(bl,cl,dl) + hl[0] } else if (i<32) { t += f2(bl,cl,dl) + hl[1] } else if (i<48) { t += f3(bl,cl,dl) + hl[2] } else if (i<64) { t += f4(bl,cl,dl) + hl[3] } else {// if (i<80) { t += f5(bl,cl,dl) + hl[4] } t = t|0 t = rotl(t,sl[i]) t = (t+el)|0 al = el el = dl dl = rotl(cl, 10) cl = bl bl = t t = (ar + M[offset+zr[i]])|0 if (i<16) { t += f5(br,cr,dr) + hr[0] } else if (i<32) { t += f4(br,cr,dr) + hr[1] } else if (i<48) { t += f3(br,cr,dr) + hr[2] } else if (i<64) { t += f2(br,cr,dr) + hr[3] } else {// if (i<80) { t += f1(br,cr,dr) + hr[4] } t = t|0 t = rotl(t,sr[i]) t = (t+er)|0 ar = er er = dr dr = rotl(cr, 10) cr = br br = t } // intermediate hash value t = (H[1] + cl + dr)|0 H[1] = (H[2] + dl + er)|0 H[2] = (H[3] + el + ar)|0 H[3] = (H[4] + al + br)|0 H[4] = (H[0] + bl + cr)|0 H[0] = t } function f1(x, y, z) { return ((x) ^ (y) ^ (z)) } function f2(x, y, z) { return (((x)&(y)) | ((~x)&(z))) } function f3(x, y, z) { return (((x) | (~(y))) ^ (z)) } function f4(x, y, z) { return (((x) & (z)) | ((y)&(~(z)))) } function f5(x, y, z) { return ((x) ^ ((y) |(~(z)))) } function rotl(x,n) { return (x<>>(32-n)) } function ripemd160(message) { var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0] if (typeof message == 'string') message = new Buffer(message, 'utf8') var m = bytesToWords(message) var nBitsLeft = message.length * 8 var nBitsTotal = message.length * 8 // Add padding m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32) m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = ( (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) | (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00) ) for (var i=0 ; i>> 24)) & 0x00ff00ff) | (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00) } var digestbytes = wordsToBytes(H) return new Buffer(digestbytes) } module.exports = ripemd160 }).call(this,require("buffer").Buffer) },{"buffer":172}],16:[function(require,module,exports){ (function (Buffer){ //prototype class for hash functions function Hash (blockSize, finalSize) { this._block = new Buffer(blockSize) //new Uint32Array(blockSize/4) this._finalSize = finalSize this._blockSize = blockSize this._len = 0 this._s = 0 } Hash.prototype.update = function (data, enc) { if ("string" === typeof data) { enc = enc || "utf8" data = new Buffer(data, enc) } var l = this._len += data.length var s = this._s || 0 var f = 0 var buffer = this._block while (s < l) { var t = Math.min(data.length, f + this._blockSize - (s % this._blockSize)) var ch = (t - f) for (var i = 0; i < ch; i++) { buffer[(s % this._blockSize) + i] = data[i + f] } s += ch f += ch if ((s % this._blockSize) === 0) { this._update(buffer) } } this._s = s return this } Hash.prototype.digest = function (enc) { // Suppose the length of the message M, in bits, is l var l = this._len * 8 // Append the bit 1 to the end of the message this._block[this._len % this._blockSize] = 0x80 // and then k zero bits, where k is the smallest non-negative solution to the equation (l + 1 + k) === finalSize mod blockSize this._block.fill(0, this._len % this._blockSize + 1) if (l % (this._blockSize * 8) >= this._finalSize * 8) { this._update(this._block) this._block.fill(0) } // to this append the block which is equal to the number l written in binary // TODO: handle case where l is > Math.pow(2, 29) this._block.writeInt32BE(l, this._blockSize - 4) var hash = this._update(this._block) || this._hash() return enc ? hash.toString(enc) : hash } Hash.prototype._update = function () { throw new Error('_update must be implemented by subclass') } module.exports = Hash }).call(this,require("buffer").Buffer) },{"buffer":172}],17:[function(require,module,exports){ var exports = module.exports = function (alg) { var Alg = exports[alg.toLowerCase()] if(!Alg) throw new Error(alg + ' is not supported (we accept pull requests)') return new Alg() } exports.sha = require('./sha') exports.sha1 = require('./sha1') exports.sha224 = require('./sha224') exports.sha256 = require('./sha256') exports.sha384 = require('./sha384') exports.sha512 = require('./sha512') },{"./sha":18,"./sha1":19,"./sha224":20,"./sha256":21,"./sha384":22,"./sha512":23}],18:[function(require,module,exports){ (function (Buffer){ /* * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined * in FIPS PUB 180-1 * This source code is derived from sha1.js of the same repository. * The difference between SHA-0 and SHA-1 is just a bitwise rotate left * operation was added. */ var inherits = require('inherits') var Hash = require('./hash') var W = new Array(80) function Sha() { this.init() this._w = W Hash.call(this, 64, 56) } inherits(Sha, Hash) Sha.prototype.init = function () { this._a = 0x67452301 this._b = 0xefcdab89 this._c = 0x98badcfe this._d = 0x10325476 this._e = 0xc3d2e1f0 return this } /* * Bitwise rotate a 32-bit number to the left. */ function rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); } Sha.prototype._update = function (M) { var W = this._w var a = this._a var b = this._b var c = this._c var d = this._d var e = this._e var j = 0, k /* * SHA-1 has a bitwise rotate left operation. But, SHA is not * function calcW() { return rol(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1) } */ function calcW() { return W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16] } function loop(w, f) { W[j] = w var t = rol(a, 5) + f + e + w + k e = d d = c c = rol(b, 30) b = a a = t j++ } k = 1518500249 while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d)) while (j < 20) loop(calcW(), (b & c) | ((~b) & d)) k = 1859775393 while (j < 40) loop(calcW(), b ^ c ^ d) k = -1894007588 while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d)) k = -899497514 while (j < 80) loop(calcW(), b ^ c ^ d) this._a = (a + this._a) | 0 this._b = (b + this._b) | 0 this._c = (c + this._c) | 0 this._d = (d + this._d) | 0 this._e = (e + this._e) | 0 } Sha.prototype._hash = function () { var H = new Buffer(20) H.writeInt32BE(this._a|0, 0) H.writeInt32BE(this._b|0, 4) H.writeInt32BE(this._c|0, 8) H.writeInt32BE(this._d|0, 12) H.writeInt32BE(this._e|0, 16) return H } module.exports = Sha }).call(this,require("buffer").Buffer) },{"./hash":16,"buffer":172,"inherits":14}],19:[function(require,module,exports){ (function (Buffer){ /* * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined * in FIPS PUB 180-1 * Version 2.1a Copyright Paul Johnston 2000 - 2002. * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet * Distributed under the BSD License * See http://pajhome.org.uk/crypt/md5 for details. */ var inherits = require('inherits') var Hash = require('./hash') var W = new Array(80) function Sha1() { this.init() this._w = W Hash.call(this, 64, 56) } inherits(Sha1, Hash) Sha1.prototype.init = function () { this._a = 0x67452301 this._b = 0xefcdab89 this._c = 0x98badcfe this._d = 0x10325476 this._e = 0xc3d2e1f0 return this } /* * Bitwise rotate a 32-bit number to the left. */ function rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); } Sha1.prototype._update = function (M) { var W = this._w var a = this._a var b = this._b var c = this._c var d = this._d var e = this._e var j = 0, k function calcW() { return rol(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1) } function loop(w, f) { W[j] = w var t = rol(a, 5) + f + e + w + k e = d d = c c = rol(b, 30) b = a a = t j++ } k = 1518500249 while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d)) while (j < 20) loop(calcW(), (b & c) | ((~b) & d)) k = 1859775393 while (j < 40) loop(calcW(), b ^ c ^ d) k = -1894007588 while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d)) k = -899497514 while (j < 80) loop(calcW(), b ^ c ^ d) this._a = (a + this._a) | 0 this._b = (b + this._b) | 0 this._c = (c + this._c) | 0 this._d = (d + this._d) | 0 this._e = (e + this._e) | 0 } Sha1.prototype._hash = function () { var H = new Buffer(20) H.writeInt32BE(this._a|0, 0) H.writeInt32BE(this._b|0, 4) H.writeInt32BE(this._c|0, 8) H.writeInt32BE(this._d|0, 12) H.writeInt32BE(this._e|0, 16) return H } module.exports = Sha1 }).call(this,require("buffer").Buffer) },{"./hash":16,"buffer":172,"inherits":14}],20:[function(require,module,exports){ (function (Buffer){ /** * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined * in FIPS 180-2 * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009. * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet * */ var inherits = require('inherits') var SHA256 = require('./sha256') var Hash = require('./hash') var W = new Array(64) function Sha224() { this.init() this._w = W // new Array(64) Hash.call(this, 64, 56) } inherits(Sha224, SHA256) Sha224.prototype.init = function () { this._a = 0xc1059ed8|0 this._b = 0x367cd507|0 this._c = 0x3070dd17|0 this._d = 0xf70e5939|0 this._e = 0xffc00b31|0 this._f = 0x68581511|0 this._g = 0x64f98fa7|0 this._h = 0xbefa4fa4|0 return this } Sha224.prototype._hash = function () { var H = new Buffer(28) H.writeInt32BE(this._a, 0) H.writeInt32BE(this._b, 4) H.writeInt32BE(this._c, 8) H.writeInt32BE(this._d, 12) H.writeInt32BE(this._e, 16) H.writeInt32BE(this._f, 20) H.writeInt32BE(this._g, 24) return H } module.exports = Sha224 }).call(this,require("buffer").Buffer) },{"./hash":16,"./sha256":21,"buffer":172,"inherits":14}],21:[function(require,module,exports){ (function (Buffer){ /** * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined * in FIPS 180-2 * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009. * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet * */ var inherits = require('inherits') var Hash = require('./hash') var K = [ 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC, 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967, 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2 ] var W = new Array(64) function Sha256() { this.init() this._w = W // new Array(64) Hash.call(this, 64, 56) } inherits(Sha256, Hash) Sha256.prototype.init = function () { this._a = 0x6a09e667|0 this._b = 0xbb67ae85|0 this._c = 0x3c6ef372|0 this._d = 0xa54ff53a|0 this._e = 0x510e527f|0 this._f = 0x9b05688c|0 this._g = 0x1f83d9ab|0 this._h = 0x5be0cd19|0 return this } function S (X, n) { return (X >>> n) | (X << (32 - n)); } function R (X, n) { return (X >>> n); } function Ch (x, y, z) { return ((x & y) ^ ((~x) & z)); } function Maj (x, y, z) { return ((x & y) ^ (x & z) ^ (y & z)); } function Sigma0256 (x) { return (S(x, 2) ^ S(x, 13) ^ S(x, 22)); } function Sigma1256 (x) { return (S(x, 6) ^ S(x, 11) ^ S(x, 25)); } function Gamma0256 (x) { return (S(x, 7) ^ S(x, 18) ^ R(x, 3)); } function Gamma1256 (x) { return (S(x, 17) ^ S(x, 19) ^ R(x, 10)); } Sha256.prototype._update = function(M) { var W = this._w var a = this._a | 0 var b = this._b | 0 var c = this._c | 0 var d = this._d | 0 var e = this._e | 0 var f = this._f | 0 var g = this._g | 0 var h = this._h | 0 var j = 0 function calcW() { return Gamma1256(W[j - 2]) + W[j - 7] + Gamma0256(W[j - 15]) + W[j - 16] } function loop(w) { W[j] = w var T1 = h + Sigma1256(e) + Ch(e, f, g) + K[j] + w var T2 = Sigma0256(a) + Maj(a, b, c); h = g; g = f; f = e; e = d + T1; d = c; c = b; b = a; a = T1 + T2; j++ } while (j < 16) loop(M.readInt32BE(j * 4)) while (j < 64) loop(calcW()) this._a = (a + this._a) | 0 this._b = (b + this._b) | 0 this._c = (c + this._c) | 0 this._d = (d + this._d) | 0 this._e = (e + this._e) | 0 this._f = (f + this._f) | 0 this._g = (g + this._g) | 0 this._h = (h + this._h) | 0 }; Sha256.prototype._hash = function () { var H = new Buffer(32) H.writeInt32BE(this._a, 0) H.writeInt32BE(this._b, 4) H.writeInt32BE(this._c, 8) H.writeInt32BE(this._d, 12) H.writeInt32BE(this._e, 16) H.writeInt32BE(this._f, 20) H.writeInt32BE(this._g, 24) H.writeInt32BE(this._h, 28) return H } module.exports = Sha256 }).call(this,require("buffer").Buffer) },{"./hash":16,"buffer":172,"inherits":14}],22:[function(require,module,exports){ (function (Buffer){ var inherits = require('inherits') var SHA512 = require('./sha512'); var Hash = require('./hash') var W = new Array(160) function Sha384() { this.init() this._w = W Hash.call(this, 128, 112) } inherits(Sha384, SHA512) Sha384.prototype.init = function () { this._a = 0xcbbb9d5d|0 this._b = 0x629a292a|0 this._c = 0x9159015a|0 this._d = 0x152fecd8|0 this._e = 0x67332667|0 this._f = 0x8eb44a87|0 this._g = 0xdb0c2e0d|0 this._h = 0x47b5481d|0 this._al = 0xc1059ed8|0 this._bl = 0x367cd507|0 this._cl = 0x3070dd17|0 this._dl = 0xf70e5939|0 this._el = 0xffc00b31|0 this._fl = 0x68581511|0 this._gl = 0x64f98fa7|0 this._hl = 0xbefa4fa4|0 return this } Sha384.prototype._hash = function () { var H = new Buffer(48) function writeInt64BE(h, l, offset) { H.writeInt32BE(h, offset) H.writeInt32BE(l, offset + 4) } writeInt64BE(this._a, this._al, 0) writeInt64BE(this._b, this._bl, 8) writeInt64BE(this._c, this._cl, 16) writeInt64BE(this._d, this._dl, 24) writeInt64BE(this._e, this._el, 32) writeInt64BE(this._f, this._fl, 40) return H } module.exports = Sha384 }).call(this,require("buffer").Buffer) },{"./hash":16,"./sha512":23,"buffer":172,"inherits":14}],23:[function(require,module,exports){ (function (Buffer){ var inherits = require('inherits') var Hash = require('./hash') var K = [ 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 ] var W = new Array(160) function Sha512() { this.init() this._w = W Hash.call(this, 128, 112) } inherits(Sha512, Hash) Sha512.prototype.init = function () { this._a = 0x6a09e667|0 this._b = 0xbb67ae85|0 this._c = 0x3c6ef372|0 this._d = 0xa54ff53a|0 this._e = 0x510e527f|0 this._f = 0x9b05688c|0 this._g = 0x1f83d9ab|0 this._h = 0x5be0cd19|0 this._al = 0xf3bcc908|0 this._bl = 0x84caa73b|0 this._cl = 0xfe94f82b|0 this._dl = 0x5f1d36f1|0 this._el = 0xade682d1|0 this._fl = 0x2b3e6c1f|0 this._gl = 0xfb41bd6b|0 this._hl = 0x137e2179|0 return this } function S (X, Xl, n) { return (X >>> n) | (Xl << (32 - n)) } function Ch (x, y, z) { return ((x & y) ^ ((~x) & z)); } function Maj (x, y, z) { return ((x & y) ^ (x & z) ^ (y & z)); } Sha512.prototype._update = function(M) { var W = this._w var a = this._a | 0 var b = this._b | 0 var c = this._c | 0 var d = this._d | 0 var e = this._e | 0 var f = this._f | 0 var g = this._g | 0 var h = this._h | 0 var al = this._al | 0 var bl = this._bl | 0 var cl = this._cl | 0 var dl = this._dl | 0 var el = this._el | 0 var fl = this._fl | 0 var gl = this._gl | 0 var hl = this._hl | 0 var i = 0, j = 0 var Wi, Wil function calcW() { var x = W[j - 15*2] var xl = W[j - 15*2 + 1] var gamma0 = S(x, xl, 1) ^ S(x, xl, 8) ^ (x >>> 7) var gamma0l = S(xl, x, 1) ^ S(xl, x, 8) ^ S(xl, x, 7) x = W[j - 2*2] xl = W[j - 2*2 + 1] var gamma1 = S(x, xl, 19) ^ S(xl, x, 29) ^ (x >>> 6) var gamma1l = S(xl, x, 19) ^ S(x, xl, 29) ^ S(xl, x, 6) // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16] var Wi7 = W[j - 7*2] var Wi7l = W[j - 7*2 + 1] var Wi16 = W[j - 16*2] var Wi16l = W[j - 16*2 + 1] Wil = gamma0l + Wi7l Wi = gamma0 + Wi7 + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0) Wil = Wil + gamma1l Wi = Wi + gamma1 + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0) Wil = Wil + Wi16l Wi = Wi + Wi16 + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0) } function loop() { W[j] = Wi W[j + 1] = Wil var maj = Maj(a, b, c) var majl = Maj(al, bl, cl) var sigma0h = S(a, al, 28) ^ S(al, a, 2) ^ S(al, a, 7) var sigma0l = S(al, a, 28) ^ S(a, al, 2) ^ S(a, al, 7) var sigma1h = S(e, el, 14) ^ S(e, el, 18) ^ S(el, e, 9) var sigma1l = S(el, e, 14) ^ S(el, e, 18) ^ S(e, el, 9) // t1 = h + sigma1 + ch + K[i] + W[i] var Ki = K[j] var Kil = K[j + 1] var ch = Ch(e, f, g) var chl = Ch(el, fl, gl) var t1l = hl + sigma1l var t1 = h + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0) t1l = t1l + chl t1 = t1 + ch + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0) t1l = t1l + Kil t1 = t1 + Ki + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0) t1l = t1l + Wil t1 = t1 + Wi + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0) // t2 = sigma0 + maj var t2l = sigma0l + majl var t2 = sigma0h + maj + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0) h = g hl = gl g = f gl = fl f = e fl = el el = (dl + t1l) | 0 e = (d + t1 + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0 d = c dl = cl c = b cl = bl b = a bl = al al = (t1l + t2l) | 0 a = (t1 + t2 + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0 i++ j += 2 } while (i < 16) { Wi = M.readInt32BE(j * 4) Wil = M.readInt32BE(j * 4 + 4) loop() } while (i < 80) { calcW() loop() } this._al = (this._al + al) | 0 this._bl = (this._bl + bl) | 0 this._cl = (this._cl + cl) | 0 this._dl = (this._dl + dl) | 0 this._el = (this._el + el) | 0 this._fl = (this._fl + fl) | 0 this._gl = (this._gl + gl) | 0 this._hl = (this._hl + hl) | 0 this._a = (this._a + a + ((this._al >>> 0) < (al >>> 0) ? 1 : 0)) | 0 this._b = (this._b + b + ((this._bl >>> 0) < (bl >>> 0) ? 1 : 0)) | 0 this._c = (this._c + c + ((this._cl >>> 0) < (cl >>> 0) ? 1 : 0)) | 0 this._d = (this._d + d + ((this._dl >>> 0) < (dl >>> 0) ? 1 : 0)) | 0 this._e = (this._e + e + ((this._el >>> 0) < (el >>> 0) ? 1 : 0)) | 0 this._f = (this._f + f + ((this._fl >>> 0) < (fl >>> 0) ? 1 : 0)) | 0 this._g = (this._g + g + ((this._gl >>> 0) < (gl >>> 0) ? 1 : 0)) | 0 this._h = (this._h + h + ((this._hl >>> 0) < (hl >>> 0) ? 1 : 0)) | 0 } Sha512.prototype._hash = function () { var H = new Buffer(64) function writeInt64BE(h, l, offset) { H.writeInt32BE(h, offset) H.writeInt32BE(l, offset + 4) } writeInt64BE(this._a, this._al, 0) writeInt64BE(this._b, this._bl, 8) writeInt64BE(this._c, this._cl, 16) writeInt64BE(this._d, this._dl, 24) writeInt64BE(this._e, this._el, 32) writeInt64BE(this._f, this._fl, 40) writeInt64BE(this._g, this._gl, 48) writeInt64BE(this._h, this._hl, 56) return H } module.exports = Sha512 }).call(this,require("buffer").Buffer) },{"./hash":16,"buffer":172,"inherits":14}],24:[function(require,module,exports){ (function (Buffer){ 'use strict'; var createHash = require('create-hash/browser'); var inherits = require('inherits') var Transform = require('stream').Transform var ZEROS = new Buffer(128) ZEROS.fill(0) function Hmac(alg, key) { Transform.call(this) if (typeof key === 'string') { key = new Buffer(key) } var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64 this._alg = alg this._key = key if (key.length > blocksize) { key = createHash(alg).update(key).digest() } else if (key.length < blocksize) { key = Buffer.concat([key, ZEROS], blocksize) } var ipad = this._ipad = new Buffer(blocksize) var opad = this._opad = new Buffer(blocksize) for (var i = 0; i < blocksize; i++) { ipad[i] = key[i] ^ 0x36 opad[i] = key[i] ^ 0x5C } this._hash = createHash(alg).update(ipad) } inherits(Hmac, Transform) Hmac.prototype.update = function (data, enc) { this._hash.update(data, enc) return this } Hmac.prototype._transform = function (data, _, next) { this._hash.update(data) next() } Hmac.prototype._flush = function (next) { this.push(this.digest()) next() } Hmac.prototype.digest = function (enc) { var h = this._hash.digest() return createHash(this._alg).update(this._opad).update(h).digest(enc) } module.exports = function createHmac(alg, key) { return new Hmac(alg, key) } }).call(this,require("buffer").Buffer) },{"buffer":172,"create-hash/browser":11,"inherits":25,"stream":339}],25:[function(require,module,exports){ arguments[4][14][0].apply(exports,arguments) },{"dup":14}],26:[function(require,module,exports){ var assert = require('assert') var BigInteger = require('bigi') var Point = require('./point') function Curve(p, a, b, Gx, Gy, n, h) { this.p = p this.a = a this.b = b this.G = Point.fromAffine(this, Gx, Gy) this.n = n this.h = h this.infinity = new Point(this, null, null, BigInteger.ZERO) // result caching this.pOverFour = p.add(BigInteger.ONE).shiftRight(2) } Curve.prototype.pointFromX = function(isOdd, x) { var alpha = x.pow(3).add(this.a.multiply(x)).add(this.b).mod(this.p) var beta = alpha.modPow(this.pOverFour, this.p) // XXX: not compatible with all curves var y = beta if (beta.isEven() ^ !isOdd) { y = this.p.subtract(y) // -y % p } return Point.fromAffine(this, x, y) } Curve.prototype.isInfinity = function(Q) { if (Q === this.infinity) return true return Q.z.signum() === 0 && Q.y.signum() !== 0 } Curve.prototype.isOnCurve = function(Q) { if (this.isInfinity(Q)) return true var x = Q.affineX var y = Q.affineY var a = this.a var b = this.b var p = this.p // Check that xQ and yQ are integers in the interval [0, p - 1] if (x.signum() < 0 || x.compareTo(p) >= 0) return false if (y.signum() < 0 || y.compareTo(p) >= 0) return false // and check that y^2 = x^3 + ax + b (mod p) var lhs = y.square().mod(p) var rhs = x.pow(3).add(a.multiply(x)).add(b).mod(p) return lhs.equals(rhs) } /** * Validate an elliptic curve point. * * See SEC 1, section 3.2.2.1: Elliptic Curve Public Key Validation Primitive */ Curve.prototype.validate = function(Q) { // Check Q != O assert(!this.isInfinity(Q), 'Point is at infinity') assert(this.isOnCurve(Q), 'Point is not on the curve') // Check nQ = O (where Q is a scalar multiple of G) var nQ = Q.multiply(this.n) assert(this.isInfinity(nQ), 'Point is not a scalar multiple of G') return true } module.exports = Curve },{"./point":30,"assert":157,"bigi":7}],27:[function(require,module,exports){ module.exports={ "secp128r1": { "p": "fffffffdffffffffffffffffffffffff", "a": "fffffffdfffffffffffffffffffffffc", "b": "e87579c11079f43dd824993c2cee5ed3", "n": "fffffffe0000000075a30d1b9038a115", "h": "01", "Gx": "161ff7528b899b2d0c28607ca52c5b86", "Gy": "cf5ac8395bafeb13c02da292dded7a83" }, "secp160k1": { "p": "fffffffffffffffffffffffffffffffeffffac73", "a": "00", "b": "07", "n": "0100000000000000000001b8fa16dfab9aca16b6b3", "h": "01", "Gx": "3b4c382ce37aa192a4019e763036f4f5dd4d7ebb", "Gy": "938cf935318fdced6bc28286531733c3f03c4fee" }, "secp160r1": { "p": "ffffffffffffffffffffffffffffffff7fffffff", "a": "ffffffffffffffffffffffffffffffff7ffffffc", "b": "1c97befc54bd7a8b65acf89f81d4d4adc565fa45", "n": "0100000000000000000001f4c8f927aed3ca752257", "h": "01", "Gx": "4a96b5688ef573284664698968c38bb913cbfc82", "Gy": "23a628553168947d59dcc912042351377ac5fb32" }, "secp192k1": { "p": "fffffffffffffffffffffffffffffffffffffffeffffee37", "a": "00", "b": "03", "n": "fffffffffffffffffffffffe26f2fc170f69466a74defd8d", "h": "01", "Gx": "db4ff10ec057e9ae26b07d0280b7f4341da5d1b1eae06c7d", "Gy": "9b2f2f6d9c5628a7844163d015be86344082aa88d95e2f9d" }, "secp192r1": { "p": "fffffffffffffffffffffffffffffffeffffffffffffffff", "a": "fffffffffffffffffffffffffffffffefffffffffffffffc", "b": "64210519e59c80e70fa7e9ab72243049feb8deecc146b9b1", "n": "ffffffffffffffffffffffff99def836146bc9b1b4d22831", "h": "01", "Gx": "188da80eb03090f67cbf20eb43a18800f4ff0afd82ff1012", "Gy": "07192b95ffc8da78631011ed6b24cdd573f977a11e794811" }, "secp256k1": { "p": "fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f", "a": "00", "b": "07", "n": "fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141", "h": "01", "Gx": "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798", "Gy": "483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8" }, "secp256r1": { "p": "ffffffff00000001000000000000000000000000ffffffffffffffffffffffff", "a": "ffffffff00000001000000000000000000000000fffffffffffffffffffffffc", "b": "5ac635d8aa3a93e7b3ebbd55769886bc651d06b0cc53b0f63bce3c3e27d2604b", "n": "ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551", "h": "01", "Gx": "6b17d1f2e12c4247f8bce6e563a440f277037d812deb33a0f4a13945d898c296", "Gy": "4fe342e2fe1a7f9b8ee7eb4a7c0f9e162bce33576b315ececbb6406837bf51f5" } } },{}],28:[function(require,module,exports){ var Point = require('./point') var Curve = require('./curve') var getCurveByName = require('./names') module.exports = { Curve: Curve, Point: Point, getCurveByName: getCurveByName } },{"./curve":26,"./names":29,"./point":30}],29:[function(require,module,exports){ var BigInteger = require('bigi') var curves = require('./curves') var Curve = require('./curve') function getCurveByName(name) { var curve = curves[name] if (!curve) return null var p = new BigInteger(curve.p, 16) var a = new BigInteger(curve.a, 16) var b = new BigInteger(curve.b, 16) var n = new BigInteger(curve.n, 16) var h = new BigInteger(curve.h, 16) var Gx = new BigInteger(curve.Gx, 16) var Gy = new BigInteger(curve.Gy, 16) return new Curve(p, a, b, Gx, Gy, n, h) } module.exports = getCurveByName },{"./curve":26,"./curves":27,"bigi":7}],30:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var BigInteger = require('bigi') var THREE = BigInteger.valueOf(3) function Point(curve, x, y, z) { assert.notStrictEqual(z, undefined, 'Missing Z coordinate') this.curve = curve this.x = x this.y = y this.z = z this._zInv = null this.compressed = true } Object.defineProperty(Point.prototype, 'zInv', { get: function() { if (this._zInv === null) { this._zInv = this.z.modInverse(this.curve.p) } return this._zInv } }) Object.defineProperty(Point.prototype, 'affineX', { get: function() { return this.x.multiply(this.zInv).mod(this.curve.p) } }) Object.defineProperty(Point.prototype, 'affineY', { get: function() { return this.y.multiply(this.zInv).mod(this.curve.p) } }) Point.fromAffine = function(curve, x, y) { return new Point(curve, x, y, BigInteger.ONE) } Point.prototype.equals = function(other) { if (other === this) return true if (this.curve.isInfinity(this)) return this.curve.isInfinity(other) if (this.curve.isInfinity(other)) return this.curve.isInfinity(this) // u = Y2 * Z1 - Y1 * Z2 var u = other.y.multiply(this.z).subtract(this.y.multiply(other.z)).mod(this.curve.p) if (u.signum() !== 0) return false // v = X2 * Z1 - X1 * Z2 var v = other.x.multiply(this.z).subtract(this.x.multiply(other.z)).mod(this.curve.p) return v.signum() === 0 } Point.prototype.negate = function() { var y = this.curve.p.subtract(this.y) return new Point(this.curve, this.x, y, this.z) } Point.prototype.add = function(b) { if (this.curve.isInfinity(this)) return b if (this.curve.isInfinity(b)) return this var x1 = this.x var y1 = this.y var x2 = b.x var y2 = b.y // u = Y2 * Z1 - Y1 * Z2 var u = y2.multiply(this.z).subtract(y1.multiply(b.z)).mod(this.curve.p) // v = X2 * Z1 - X1 * Z2 var v = x2.multiply(this.z).subtract(x1.multiply(b.z)).mod(this.curve.p) if (v.signum() === 0) { if (u.signum() === 0) { return this.twice() // this == b, so double } return this.curve.infinity // this = -b, so infinity } var v2 = v.square() var v3 = v2.multiply(v) var x1v2 = x1.multiply(v2) var zu2 = u.square().multiply(this.z) // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3) var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.p) // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3 var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.p) // z3 = v^3 * z1 * z2 var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.p) return new Point(this.curve, x3, y3, z3) } Point.prototype.twice = function() { if (this.curve.isInfinity(this)) return this if (this.y.signum() === 0) return this.curve.infinity var x1 = this.x var y1 = this.y var y1z1 = y1.multiply(this.z) var y1sqz1 = y1z1.multiply(y1).mod(this.curve.p) var a = this.curve.a // w = 3 * x1^2 + a * z1^2 var w = x1.square().multiply(THREE) if (a.signum() !== 0) { w = w.add(this.z.square().multiply(a)) } w = w.mod(this.curve.p) // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1) var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.p) // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3 var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.pow(3)).mod(this.curve.p) // z3 = 8 * (y1 * z1)^3 var z3 = y1z1.pow(3).shiftLeft(3).mod(this.curve.p) return new Point(this.curve, x3, y3, z3) } // Simple NAF (Non-Adjacent Form) multiplication algorithm // TODO: modularize the multiplication algorithm Point.prototype.multiply = function(k) { if (this.curve.isInfinity(this)) return this if (k.signum() === 0) return this.curve.infinity var e = k var h = e.multiply(THREE) var neg = this.negate() var R = this for (var i = h.bitLength() - 2; i > 0; --i) { R = R.twice() var hBit = h.testBit(i) var eBit = e.testBit(i) if (hBit != eBit) { R = R.add(hBit ? this : neg) } } return R } // Compute this*j + x*k (simultaneous multiplication) Point.prototype.multiplyTwo = function(j, x, k) { var i if (j.bitLength() > k.bitLength()) i = j.bitLength() - 1 else i = k.bitLength() - 1 var R = this.curve.infinity var both = this.add(x) while (i >= 0) { R = R.twice() var jBit = j.testBit(i) var kBit = k.testBit(i) if (jBit) { if (kBit) { R = R.add(both) } else { R = R.add(this) } } else { if (kBit) { R = R.add(x) } } --i } return R } Point.prototype.getEncoded = function(compressed) { if (compressed == undefined) compressed = this.compressed if (this.curve.isInfinity(this)) return new Buffer('00', 'hex') // Infinity point encoded is simply '00' var x = this.affineX var y = this.affineY var buffer // Determine size of q in bytes var byteLength = Math.floor((this.curve.p.bitLength() + 7) / 8) // 0x02/0x03 | X if (compressed) { buffer = new Buffer(1 + byteLength) buffer.writeUInt8(y.isEven() ? 0x02 : 0x03, 0) // 0x04 | X | Y } else { buffer = new Buffer(1 + byteLength + byteLength) buffer.writeUInt8(0x04, 0) y.toBuffer(byteLength).copy(buffer, 1 + byteLength) } x.toBuffer(byteLength).copy(buffer, 1) return buffer } Point.decodeFrom = function(curve, buffer) { var type = buffer.readUInt8(0) var compressed = (type !== 4) var byteLength = Math.floor((curve.p.bitLength() + 7) / 8) var x = BigInteger.fromBuffer(buffer.slice(1, 1 + byteLength)) var Q if (compressed) { assert.equal(buffer.length, byteLength + 1, 'Invalid sequence length') assert(type === 0x02 || type === 0x03, 'Invalid sequence tag') var isOdd = (type === 0x03) Q = curve.pointFromX(isOdd, x) } else { assert.equal(buffer.length, 1 + byteLength + byteLength, 'Invalid sequence length') var y = BigInteger.fromBuffer(buffer.slice(1 + byteLength)) Q = Point.fromAffine(curve, x, y) } Q.compressed = compressed return Q } Point.prototype.toString = function () { if (this.curve.isInfinity(this)) return '(INFINITY)' return '(' + this.affineX.toString() + ',' + this.affineY.toString() + ')' } module.exports = Point }).call(this,require("buffer").Buffer) },{"assert":157,"bigi":7,"buffer":172}],31:[function(require,module,exports){ (function (process,global,Buffer){ 'use strict'; var crypto = global.crypto || global.msCrypto if(crypto && crypto.getRandomValues) { module.exports = randomBytes; } else { module.exports = oldBrowser; } function randomBytes(size, cb) { var bytes = new Buffer(size); //in browserify, this is an extended Uint8Array /* This will not work in older browsers. * See https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues */ crypto.getRandomValues(bytes); if (typeof cb === 'function') { return process.nextTick(function () { cb(null, bytes); }); } return bytes; } function oldBrowser() { throw new Error( 'secure random number generation not supported by this browser\n'+ 'use chrome, FireFox or Internet Explorer 11' ) } }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("buffer").Buffer) },{"_process":323,"buffer":172}],32:[function(require,module,exports){ (function (Buffer){ function getName (value) { if (value === undefined) return '' if (value === null) return '' // if (value.constructor.name !== undefined) return fn.name // why not constructor.name: https://kangax.github.io/compat-table/es6/#function_name_property var match = value.constructor.toString().match(/function (.*?)\(/) return match ? match[1] : null } module.exports = function enforce (type, value) { if (typeof type === 'string') { if (type[0] === '?') { if (value === null || value === undefined) { return } type = type.slice(1) } } switch (type) { case 'Array': { if (value !== null && value !== undefined && value.constructor === Array) return break } case 'Boolean': { if (typeof value === 'boolean') return break } case 'Buffer': { if (Buffer.isBuffer(value)) return break } case 'Function': { if (typeof value === 'function') return break } case 'Number': { if (typeof value === 'number') return break } case 'Object': { if (typeof value === 'object') return break } case 'String': { if (typeof value === 'string') return break } default: { switch (typeof type) { case 'string': { if (type === getName(value)) return break } // evaluate type templates case 'object': { if (Array.isArray(type)) { var subType = type[0] enforce('Array', value) value.forEach(enforce.bind(undefined, subType)) return } enforce('Object', value) for (var propertyName in type) { var propertyType = type[propertyName] var propertyValue = value[propertyName] try { enforce(propertyType, propertyValue) } catch (e) { throw new TypeError('Expected property "' + propertyName + '" of type ' + JSON.stringify(propertyType) + ', got ' + getName(propertyValue) + ' ' + propertyValue) } } return } } } } throw new TypeError('Expected ' + type + ', got ' + getName(value) + ' ' + value) } }).call(this,require("buffer").Buffer) },{"buffer":172}],33:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var base58check = require('bs58check') var typeForce = require('typeforce') var networks = require('./networks') var scripts = require('./scripts') function findScriptTypeByVersion (version) { for (var networkName in networks) { var network = networks[networkName] if (version === network.pubKeyHash) return 'pubkeyhash' if (version === network.scriptHash) return 'scripthash' } } function Address (hash, version) { typeForce('Buffer', hash) assert.strictEqual(hash.length, 20, 'Invalid hash length') assert.strictEqual(version & 0xff, version, 'Invalid version byte') this.hash = hash this.version = version } Address.fromBase58Check = function (string) { var payload = base58check.decode(string) var version = payload.readUInt8(0) var hash = payload.slice(1) return new Address(hash, version) } Address.fromOutputScript = function (script, network) { network = network || networks.bitcoin if (scripts.isPubKeyHashOutput(script)) return new Address(script.chunks[2], network.pubKeyHash) if (scripts.isScriptHashOutput(script)) return new Address(script.chunks[1], network.scriptHash) assert(false, script.toASM() + ' has no matching Address') } Address.prototype.toBase58Check = function () { var payload = new Buffer(21) payload.writeUInt8(this.version, 0) this.hash.copy(payload, 1) return base58check.encode(payload) } Address.prototype.toOutputScript = function () { var scriptType = findScriptTypeByVersion(this.version) if (scriptType === 'pubkeyhash') return scripts.pubKeyHashOutput(this.hash) if (scriptType === 'scripthash') return scripts.scriptHashOutput(this.hash) assert(false, this.toString() + ' has no matching Script') } Address.prototype.toString = Address.prototype.toBase58Check module.exports = Address }).call(this,require("buffer").Buffer) },{"./networks":45,"./scripts":48,"assert":157,"bs58check":9,"buffer":172,"typeforce":32}],34:[function(require,module,exports){ var bs58check = require('bs58check') function decode () { console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.') return bs58check.decode.apply(undefined, arguments) } function encode () { console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.') return bs58check.encode.apply(undefined, arguments) } module.exports = { decode: decode, encode: encode } },{"bs58check":9}],35:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var bufferutils = require('./bufferutils') var crypto = require('./crypto') var Transaction = require('./transaction') function Block () { this.version = 1 this.prevHash = null this.merkleRoot = null this.timestamp = 0 this.bits = 0 this.nonce = 0 } Block.fromBuffer = function (buffer) { assert(buffer.length >= 80, 'Buffer too small (< 80 bytes)') var offset = 0 function readSlice (n) { offset += n return buffer.slice(offset - n, offset) } function readUInt32 () { var i = buffer.readUInt32LE(offset) offset += 4 return i } var block = new Block() block.version = readUInt32() block.prevHash = readSlice(32) block.merkleRoot = readSlice(32) block.timestamp = readUInt32() block.bits = readUInt32() block.nonce = readUInt32() if (buffer.length === 80) return block function readVarInt () { var vi = bufferutils.readVarInt(buffer, offset) offset += vi.size return vi.number } // FIXME: poor performance function readTransaction () { var tx = Transaction.fromBuffer(buffer.slice(offset), true) offset += tx.toBuffer().length return tx } var nTransactions = readVarInt() block.transactions = [] for (var i = 0; i < nTransactions; ++i) { var tx = readTransaction() block.transactions.push(tx) } return block } Block.fromHex = function (hex) { return Block.fromBuffer(new Buffer(hex, 'hex')) } Block.prototype.getHash = function () { return crypto.hash256(this.toBuffer(true)) } Block.prototype.getId = function () { return bufferutils.reverse(this.getHash()).toString('hex') } Block.prototype.getUTCDate = function () { var date = new Date(0) // epoch date.setUTCSeconds(this.timestamp) return date } Block.prototype.toBuffer = function (headersOnly) { var buffer = new Buffer(80) var offset = 0 function writeSlice (slice) { slice.copy(buffer, offset) offset += slice.length } function writeUInt32 (i) { buffer.writeUInt32LE(i, offset) offset += 4 } writeUInt32(this.version) writeSlice(this.prevHash) writeSlice(this.merkleRoot) writeUInt32(this.timestamp) writeUInt32(this.bits) writeUInt32(this.nonce) if (headersOnly || !this.transactions) return buffer var txLenBuffer = bufferutils.varIntBuffer(this.transactions.length) var txBuffers = this.transactions.map(function (tx) { return tx.toBuffer() }) return Buffer.concat([buffer, txLenBuffer].concat(txBuffers)) } Block.prototype.toHex = function (headersOnly) { return this.toBuffer(headersOnly).toString('hex') } module.exports = Block }).call(this,require("buffer").Buffer) },{"./bufferutils":36,"./crypto":37,"./transaction":49,"assert":157,"buffer":172}],36:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var opcodes = require('./opcodes') // https://github.com/feross/buffer/blob/master/index.js#L1127 function verifuint (value, max) { assert(typeof value === 'number', 'cannot write a non-number as a number') assert(value >= 0, 'specified a negative value for writing an unsigned value') assert(value <= max, 'value is larger than maximum value for type') assert(Math.floor(value) === value, 'value has a fractional component') } function pushDataSize (i) { return i < opcodes.OP_PUSHDATA1 ? 1 : i < 0xff ? 2 : i < 0xffff ? 3 : 5 } function readPushDataInt (buffer, offset) { var opcode = buffer.readUInt8(offset) var number, size // ~6 bit if (opcode < opcodes.OP_PUSHDATA1) { number = opcode size = 1 // 8 bit } else if (opcode === opcodes.OP_PUSHDATA1) { if (offset + 2 > buffer.length) return null number = buffer.readUInt8(offset + 1) size = 2 // 16 bit } else if (opcode === opcodes.OP_PUSHDATA2) { if (offset + 3 > buffer.length) return null number = buffer.readUInt16LE(offset + 1) size = 3 // 32 bit } else { if (offset + 5 > buffer.length) return null assert.equal(opcode, opcodes.OP_PUSHDATA4, 'Unexpected opcode') number = buffer.readUInt32LE(offset + 1) size = 5 } return { opcode: opcode, number: number, size: size } } function readUInt64LE (buffer, offset) { var a = buffer.readUInt32LE(offset) var b = buffer.readUInt32LE(offset + 4) b *= 0x100000000 verifuint(b + a, 0x001fffffffffffff) return b + a } function readVarInt (buffer, offset) { var t = buffer.readUInt8(offset) var number, size // 8 bit if (t < 253) { number = t size = 1 // 16 bit } else if (t < 254) { number = buffer.readUInt16LE(offset + 1) size = 3 // 32 bit } else if (t < 255) { number = buffer.readUInt32LE(offset + 1) size = 5 // 64 bit } else { number = readUInt64LE(buffer, offset + 1) size = 9 } return { number: number, size: size } } function writePushDataInt (buffer, number, offset) { var size = pushDataSize(number) // ~6 bit if (size === 1) { buffer.writeUInt8(number, offset) // 8 bit } else if (size === 2) { buffer.writeUInt8(opcodes.OP_PUSHDATA1, offset) buffer.writeUInt8(number, offset + 1) // 16 bit } else if (size === 3) { buffer.writeUInt8(opcodes.OP_PUSHDATA2, offset) buffer.writeUInt16LE(number, offset + 1) // 32 bit } else { buffer.writeUInt8(opcodes.OP_PUSHDATA4, offset) buffer.writeUInt32LE(number, offset + 1) } return size } function writeUInt64LE (buffer, value, offset) { verifuint(value, 0x001fffffffffffff) buffer.writeInt32LE(value & -1, offset) buffer.writeUInt32LE(Math.floor(value / 0x100000000), offset + 4) } function varIntSize (i) { return i < 253 ? 1 : i < 0x10000 ? 3 : i < 0x100000000 ? 5 : 9 } function writeVarInt (buffer, number, offset) { var size = varIntSize(number) // 8 bit if (size === 1) { buffer.writeUInt8(number, offset) // 16 bit } else if (size === 3) { buffer.writeUInt8(253, offset) buffer.writeUInt16LE(number, offset + 1) // 32 bit } else if (size === 5) { buffer.writeUInt8(254, offset) buffer.writeUInt32LE(number, offset + 1) // 64 bit } else { buffer.writeUInt8(255, offset) writeUInt64LE(buffer, number, offset + 1) } return size } function varIntBuffer (i) { var size = varIntSize(i) var buffer = new Buffer(size) writeVarInt(buffer, i, 0) return buffer } function reverse (buffer) { var buffer2 = new Buffer(buffer) Array.prototype.reverse.call(buffer2) return buffer2 } module.exports = { pushDataSize: pushDataSize, readPushDataInt: readPushDataInt, readUInt64LE: readUInt64LE, readVarInt: readVarInt, reverse: reverse, varIntBuffer: varIntBuffer, varIntSize: varIntSize, writePushDataInt: writePushDataInt, writeUInt64LE: writeUInt64LE, writeVarInt: writeVarInt } }).call(this,require("buffer").Buffer) },{"./opcodes":46,"assert":157,"buffer":172}],37:[function(require,module,exports){ var createHash = require('create-hash') function hash160 (buffer) { return ripemd160(sha256(buffer)) } function hash256 (buffer) { return sha256(sha256(buffer)) } function ripemd160 (buffer) { return createHash('rmd160').update(buffer).digest() } function sha1 (buffer) { return createHash('sha1').update(buffer).digest() } function sha256 (buffer) { return createHash('sha256').update(buffer).digest() } // FIXME: Name not consistent with others var createHmac = require('create-hmac') function HmacSHA256 (buffer, secret) { console.warn('Hmac* functions are deprecated for removal in 2.0.0, use node crypto instead') return createHmac('sha256', secret).update(buffer).digest() } function HmacSHA512 (buffer, secret) { console.warn('Hmac* functions are deprecated for removal in 2.0.0, use node crypto instead') return createHmac('sha512', secret).update(buffer).digest() } module.exports = { ripemd160: ripemd160, sha1: sha1, sha256: sha256, hash160: hash160, hash256: hash256, HmacSHA256: HmacSHA256, HmacSHA512: HmacSHA512 } },{"create-hash":11,"create-hmac":24}],38:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var createHmac = require('create-hmac') var typeForce = require('typeforce') var BigInteger = require('bigi') var ECSignature = require('./ecsignature') var ZERO = new Buffer([0]) var ONE = new Buffer([1]) // https://tools.ietf.org/html/rfc6979#section-3.2 function deterministicGenerateK (curve, hash, d, checkSig) { typeForce('Buffer', hash) typeForce('BigInteger', d) // FIXME: remove/uncomment for 2.0.0 // typeForce('Function', checkSig) if (typeof checkSig !== 'function') { console.warn('deterministicGenerateK requires a checkSig callback in 2.0.0, see #337 for more information') checkSig = function (k) { var G = curve.G var n = curve.n var e = BigInteger.fromBuffer(hash) var Q = G.multiply(k) if (curve.isInfinity(Q)) return false var r = Q.affineX.mod(n) if (r.signum() === 0) return false var s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n) if (s.signum() === 0) return false return true } } // sanity check assert.equal(hash.length, 32, 'Hash must be 256 bit') var x = d.toBuffer(32) var k = new Buffer(32) var v = new Buffer(32) // Step A, ignored as hash already provided // Step B v.fill(1) // Step C k.fill(0) // Step D k = createHmac('sha256', k) .update(v) .update(ZERO) .update(x) .update(hash) .digest() // Step E v = createHmac('sha256', k).update(v).digest() // Step F k = createHmac('sha256', k) .update(v) .update(ONE) .update(x) .update(hash) .digest() // Step G v = createHmac('sha256', k).update(v).digest() // Step H1/H2a, ignored as tlen === qlen (256 bit) // Step H2b v = createHmac('sha256', k).update(v).digest() var T = BigInteger.fromBuffer(v) // Step H3, repeat until T is within the interval [1, n - 1] and is suitable for ECDSA while ((T.signum() <= 0) || (T.compareTo(curve.n) >= 0) || !checkSig(T)) { k = createHmac('sha256', k) .update(v) .update(ZERO) .digest() v = createHmac('sha256', k).update(v).digest() // Step H1/H2a, again, ignored as tlen === qlen (256 bit) // Step H2b again v = createHmac('sha256', k).update(v).digest() T = BigInteger.fromBuffer(v) } return T } function sign (curve, hash, d) { var r, s var e = BigInteger.fromBuffer(hash) var n = curve.n var G = curve.G deterministicGenerateK(curve, hash, d, function (k) { var Q = G.multiply(k) if (curve.isInfinity(Q)) return false r = Q.affineX.mod(n) if (r.signum() === 0) return false s = k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n) if (s.signum() === 0) return false return true }) var N_OVER_TWO = n.shiftRight(1) // enforce low S values, see bip62: 'low s values in signatures' if (s.compareTo(N_OVER_TWO) > 0) { s = n.subtract(s) } return new ECSignature(r, s) } function verifyRaw (curve, e, signature, Q) { var n = curve.n var G = curve.G var r = signature.r var s = signature.s // 1.4.1 Enforce r and s are both integers in the interval [1, n − 1] if (r.signum() <= 0 || r.compareTo(n) >= 0) return false if (s.signum() <= 0 || s.compareTo(n) >= 0) return false // c = s^-1 mod n var c = s.modInverse(n) // 1.4.4 Compute u1 = es^−1 mod n // u2 = rs^−1 mod n var u1 = e.multiply(c).mod(n) var u2 = r.multiply(c).mod(n) // 1.4.5 Compute R = (xR, yR) = u1G + u2Q var R = G.multiplyTwo(u1, Q, u2) var v = R.affineX.mod(n) // 1.4.5 (cont.) Enforce R is not at infinity if (curve.isInfinity(R)) return false // 1.4.8 If v = r, output "valid", and if v != r, output "invalid" return v.equals(r) } function verify (curve, hash, signature, Q) { // 1.4.2 H = Hash(M), already done by the user // 1.4.3 e = H var e = BigInteger.fromBuffer(hash) return verifyRaw(curve, e, signature, Q) } /** * Recover a public key from a signature. * * See SEC 1: Elliptic Curve Cryptography, section 4.1.6, "Public * Key Recovery Operation". * * http://www.secg.org/download/aid-780/sec1-v2.pdf */ function recoverPubKey (curve, e, signature, i) { assert.strictEqual(i & 3, i, 'Recovery param is more than two bits') var n = curve.n var G = curve.G var r = signature.r var s = signature.s assert(r.signum() > 0 && r.compareTo(n) < 0, 'Invalid r value') assert(s.signum() > 0 && s.compareTo(n) < 0, 'Invalid s value') // A set LSB signifies that the y-coordinate is odd var isYOdd = i & 1 // The more significant bit specifies whether we should use the // first or second candidate key. var isSecondKey = i >> 1 // 1.1 Let x = r + jn var x = isSecondKey ? r.add(n) : r var R = curve.pointFromX(isYOdd, x) // 1.4 Check that nR is at infinity var nR = R.multiply(n) assert(curve.isInfinity(nR), 'nR is not a valid curve point') // Compute -e from e var eNeg = e.negate().mod(n) // 1.6.1 Compute Q = r^-1 (sR - eG) // Q = r^-1 (sR + -eG) var rInv = r.modInverse(n) var Q = R.multiplyTwo(s, G, eNeg).multiply(rInv) curve.validate(Q) return Q } /** * Calculate pubkey extraction parameter. * * When extracting a pubkey from a signature, we have to * distinguish four different cases. Rather than putting this * burden on the verifier, Bitcoin includes a 2-bit value with the * signature. * * This function simply tries all four cases and returns the value * that resulted in a successful pubkey recovery. */ function calcPubKeyRecoveryParam (curve, e, signature, Q) { for (var i = 0; i < 4; i++) { var Qprime = recoverPubKey(curve, e, signature, i) // 1.6.2 Verify Q if (Qprime.equals(Q)) { return i } } throw new Error('Unable to find valid recovery factor') } module.exports = { calcPubKeyRecoveryParam: calcPubKeyRecoveryParam, deterministicGenerateK: deterministicGenerateK, recoverPubKey: recoverPubKey, sign: sign, verify: verify, verifyRaw: verifyRaw } }).call(this,require("buffer").Buffer) },{"./ecsignature":41,"assert":157,"bigi":7,"buffer":172,"create-hmac":24,"typeforce":32}],39:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var base58check = require('bs58check') var ecdsa = require('./ecdsa') var networks = require('./networks') var randomBytes = require('randombytes') var typeForce = require('typeforce') var BigInteger = require('bigi') var ECPubKey = require('./ecpubkey') var ecurve = require('ecurve') var secp256k1 = ecurve.getCurveByName('secp256k1') function ECKey (d, compressed) { assert(d.signum() > 0, 'Private key must be greater than 0') assert(d.compareTo(ECKey.curve.n) < 0, 'Private key must be less than the curve order') var Q = ECKey.curve.G.multiply(d) this.d = d this.pub = new ECPubKey(Q, compressed) } // Constants ECKey.curve = secp256k1 // Static constructors ECKey.fromWIF = function (string) { var payload = base58check.decode(string) var compressed = false // Ignore the version byte payload = payload.slice(1) if (payload.length === 33) { assert.strictEqual(payload[32], 0x01, 'Invalid compression flag') // Truncate the compression flag payload = payload.slice(0, -1) compressed = true } assert.equal(payload.length, 32, 'Invalid WIF payload length') var d = BigInteger.fromBuffer(payload) return new ECKey(d, compressed) } ECKey.makeRandom = function (compressed, rng) { rng = rng || randomBytes var buffer = rng(32) typeForce('Buffer', buffer) assert.equal(buffer.length, 32, 'Expected 256-bit Buffer from RNG') var d = BigInteger.fromBuffer(buffer) d = d.mod(ECKey.curve.n) return new ECKey(d, compressed) } // Export functions ECKey.prototype.toWIF = function (network) { network = network || networks.bitcoin var bufferLen = this.pub.compressed ? 34 : 33 var buffer = new Buffer(bufferLen) buffer.writeUInt8(network.wif, 0) this.d.toBuffer(32).copy(buffer, 1) if (this.pub.compressed) { buffer.writeUInt8(0x01, 33) } return base58check.encode(buffer) } // Operations ECKey.prototype.sign = function (hash) { return ecdsa.sign(ECKey.curve, hash, this.d) } module.exports = ECKey }).call(this,require("buffer").Buffer) },{"./ecdsa":38,"./ecpubkey":40,"./networks":45,"assert":157,"bigi":7,"bs58check":9,"buffer":172,"ecurve":28,"randombytes":31,"typeforce":32}],40:[function(require,module,exports){ (function (Buffer){ var crypto = require('./crypto') var ecdsa = require('./ecdsa') var typeForce = require('typeforce') var networks = require('./networks') var Address = require('./address') var ecurve = require('ecurve') var secp256k1 = ecurve.getCurveByName('secp256k1') function ECPubKey (Q, compressed) { if (compressed === undefined) { compressed = true } typeForce('Point', Q) typeForce('Boolean', compressed) this.compressed = compressed this.Q = Q } // Constants ECPubKey.curve = secp256k1 // Static constructors ECPubKey.fromBuffer = function (buffer) { var Q = ecurve.Point.decodeFrom(ECPubKey.curve, buffer) return new ECPubKey(Q, Q.compressed) } ECPubKey.fromHex = function (hex) { return ECPubKey.fromBuffer(new Buffer(hex, 'hex')) } // Operations ECPubKey.prototype.getAddress = function (network) { network = network || networks.bitcoin return new Address(crypto.hash160(this.toBuffer()), network.pubKeyHash) } ECPubKey.prototype.verify = function (hash, signature) { return ecdsa.verify(ECPubKey.curve, hash, signature, this.Q) } // Export functions ECPubKey.prototype.toBuffer = function () { return this.Q.getEncoded(this.compressed) } ECPubKey.prototype.toHex = function () { return this.toBuffer().toString('hex') } module.exports = ECPubKey }).call(this,require("buffer").Buffer) },{"./address":33,"./crypto":37,"./ecdsa":38,"./networks":45,"buffer":172,"ecurve":28,"typeforce":32}],41:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var typeForce = require('typeforce') var BigInteger = require('bigi') function ECSignature (r, s) { typeForce('BigInteger', r) typeForce('BigInteger', s) this.r = r this.s = s } ECSignature.parseCompact = function (buffer) { assert.equal(buffer.length, 65, 'Invalid signature length') var i = buffer.readUInt8(0) - 27 // At most 3 bits assert.equal(i, i & 7, 'Invalid signature parameter') var compressed = !!(i & 4) // Recovery param only i = i & 3 var r = BigInteger.fromBuffer(buffer.slice(1, 33)) var s = BigInteger.fromBuffer(buffer.slice(33)) return { compressed: compressed, i: i, signature: new ECSignature(r, s) } } ECSignature.fromDER = function (buffer) { assert.equal(buffer.readUInt8(0), 0x30, 'Not a DER sequence') assert.equal(buffer.readUInt8(1), buffer.length - 2, 'Invalid sequence length') assert.equal(buffer.readUInt8(2), 0x02, 'Expected a DER integer') var rLen = buffer.readUInt8(3) assert(rLen > 0, 'R length is zero') var offset = 4 + rLen assert.equal(buffer.readUInt8(offset), 0x02, 'Expected a DER integer (2)') var sLen = buffer.readUInt8(offset + 1) assert(sLen > 0, 'S length is zero') var rB = buffer.slice(4, offset) var sB = buffer.slice(offset + 2) offset += 2 + sLen if (rLen > 1 && rB.readUInt8(0) === 0x00) { assert(rB.readUInt8(1) & 0x80, 'R value excessively padded') } if (sLen > 1 && sB.readUInt8(0) === 0x00) { assert(sB.readUInt8(1) & 0x80, 'S value excessively padded') } assert.equal(offset, buffer.length, 'Invalid DER encoding') var r = BigInteger.fromDERInteger(rB) var s = BigInteger.fromDERInteger(sB) assert(r.signum() >= 0, 'R value is negative') assert(s.signum() >= 0, 'S value is negative') return new ECSignature(r, s) } // BIP62: 1 byte hashType flag (only 0x01, 0x02, 0x03, 0x81, 0x82 and 0x83 are allowed) ECSignature.parseScriptSignature = function (buffer) { var hashType = buffer.readUInt8(buffer.length - 1) var hashTypeMod = hashType & ~0x80 assert(hashTypeMod > 0x00 && hashTypeMod < 0x04, 'Invalid hashType ' + hashType) return { signature: ECSignature.fromDER(buffer.slice(0, -1)), hashType: hashType } } ECSignature.prototype.toCompact = function (i, compressed) { if (compressed) { i += 4 } i += 27 var buffer = new Buffer(65) buffer.writeUInt8(i, 0) this.r.toBuffer(32).copy(buffer, 1) this.s.toBuffer(32).copy(buffer, 33) return buffer } ECSignature.prototype.toDER = function () { var rBa = this.r.toDERInteger() var sBa = this.s.toDERInteger() var sequence = [] // INTEGER sequence.push(0x02, rBa.length) sequence = sequence.concat(rBa) // INTEGER sequence.push(0x02, sBa.length) sequence = sequence.concat(sBa) // SEQUENCE sequence.unshift(0x30, sequence.length) return new Buffer(sequence) } ECSignature.prototype.toScriptSignature = function (hashType) { var hashTypeMod = hashType & ~0x80 assert(hashTypeMod > 0x00 && hashTypeMod < 0x04, 'Invalid hashType ' + hashType) var hashTypeBuffer = new Buffer(1) hashTypeBuffer.writeUInt8(hashType, 0) return Buffer.concat([this.toDER(), hashTypeBuffer]) } module.exports = ECSignature }).call(this,require("buffer").Buffer) },{"assert":157,"bigi":7,"buffer":172,"typeforce":32}],42:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var base58check = require('bs58check') var bcrypto = require('./crypto') var createHmac = require('create-hmac') var typeForce = require('typeforce') var networks = require('./networks') var BigInteger = require('bigi') var ECKey = require('./eckey') var ECPubKey = require('./ecpubkey') var ecurve = require('ecurve') var curve = ecurve.getCurveByName('secp256k1') function findBIP32NetworkByVersion (version) { for (var name in networks) { var network = networks[name] if (version === network.bip32.private || version === network.bip32.public) { return network } } assert(false, 'Could not find network for ' + version.toString(16)) } function HDNode (K, chainCode, network) { network = network || networks.bitcoin typeForce('Buffer', chainCode) assert.equal(chainCode.length, 32, 'Expected chainCode length of 32, got ' + chainCode.length) assert(network.bip32, 'Unknown BIP32 constants for network') this.chainCode = chainCode this.depth = 0 this.index = 0 this.parentFingerprint = 0x00000000 this.network = network if (K instanceof BigInteger) { this.privKey = new ECKey(K, true) this.pubKey = this.privKey.pub } else if (K instanceof ECKey) { assert(K.pub.compressed, 'ECKey must be compressed') this.privKey = K } else if (K instanceof ECPubKey) { assert(K.compressed, 'ECPubKey must be compressed') this.pubKey = K } else { this.pubKey = new ECPubKey(K, true) } } HDNode.MASTER_SECRET = new Buffer('Bitcoin seed') HDNode.HIGHEST_BIT = 0x80000000 HDNode.LENGTH = 78 HDNode.fromSeedBuffer = function (seed, network) { typeForce('Buffer', seed) assert(seed.length >= 16, 'Seed should be at least 128 bits') assert(seed.length <= 64, 'Seed should be at most 512 bits') var I = createHmac('sha512', HDNode.MASTER_SECRET).update(seed).digest() var IL = I.slice(0, 32) var IR = I.slice(32) // In case IL is 0 or >= n, the master key is invalid // This is handled by `new ECKey` in the HDNode constructor var pIL = BigInteger.fromBuffer(IL) return new HDNode(pIL, IR, network) } HDNode.fromSeedHex = function (hex, network) { return HDNode.fromSeedBuffer(new Buffer(hex, 'hex'), network) } HDNode.fromBase58 = function (string, network) { return HDNode.fromBuffer(base58check.decode(string), network, true) } // FIXME: remove in 2.x.y HDNode.fromBuffer = function (buffer, network, __ignoreDeprecation) { if (!__ignoreDeprecation) { console.warn('HDNode.fromBuffer() is deprecated for removal in 2.x.y, use fromBase58 instead') } assert.strictEqual(buffer.length, HDNode.LENGTH, 'Invalid buffer length') // 4 byte: version bytes var version = buffer.readUInt32BE(0) if (network) { assert(version === network.bip32.private || version === network.bip32.public, "Network doesn't match") // auto-detect } else { network = findBIP32NetworkByVersion(version) } // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ... var depth = buffer.readUInt8(4) // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key) var parentFingerprint = buffer.readUInt32BE(5) if (depth === 0) { assert.strictEqual(parentFingerprint, 0x00000000, 'Invalid parent fingerprint') } // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized. // This is encoded in MSB order. (0x00000000 if master key) var index = buffer.readUInt32BE(9) assert(depth > 0 || index === 0, 'Invalid index') // 32 bytes: the chain code var chainCode = buffer.slice(13, 45) var data, hd // 33 bytes: private key data (0x00 + k) if (version === network.bip32.private) { assert.strictEqual(buffer.readUInt8(45), 0x00, 'Invalid private key') data = buffer.slice(46, 78) var d = BigInteger.fromBuffer(data) hd = new HDNode(d, chainCode, network) // 33 bytes: public key data (0x02 + X or 0x03 + X) } else { data = buffer.slice(45, 78) var Q = ecurve.Point.decodeFrom(curve, data) assert.equal(Q.compressed, true, 'Invalid public key') // Verify that the X coordinate in the public point corresponds to a point on the curve. // If not, the extended public key is invalid. curve.validate(Q) hd = new HDNode(Q, chainCode, network) } hd.depth = depth hd.index = index hd.parentFingerprint = parentFingerprint return hd } // FIXME: remove in 2.x.y HDNode.fromHex = function (hex, network) { return HDNode.fromBuffer(new Buffer(hex, 'hex'), network) } HDNode.prototype.getIdentifier = function () { return bcrypto.hash160(this.pubKey.toBuffer()) } HDNode.prototype.getFingerprint = function () { return this.getIdentifier().slice(0, 4) } HDNode.prototype.getAddress = function () { return this.pubKey.getAddress(this.network) } HDNode.prototype.neutered = function () { var neutered = new HDNode(this.pubKey.Q, this.chainCode, this.network) neutered.depth = this.depth neutered.index = this.index neutered.parentFingerprint = this.parentFingerprint return neutered } HDNode.prototype.toBase58 = function (isPrivate) { return base58check.encode(this.toBuffer(isPrivate, true)) } // FIXME: remove in 2.x.y HDNode.prototype.toBuffer = function (isPrivate, __ignoreDeprecation) { if (isPrivate === undefined) { isPrivate = !!this.privKey // FIXME: remove in 2.x.y } else { console.warn('isPrivate flag is deprecated, please use the .neutered() method instead') } if (!__ignoreDeprecation) { console.warn('HDNode.toBuffer() is deprecated for removal in 2.x.y, use toBase58 instead') } // Version var version = isPrivate ? this.network.bip32.private : this.network.bip32.public var buffer = new Buffer(HDNode.LENGTH) // 4 bytes: version bytes buffer.writeUInt32BE(version, 0) // Depth // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, .... buffer.writeUInt8(this.depth, 4) // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key) buffer.writeUInt32BE(this.parentFingerprint, 5) // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized. // This is encoded in Big endian. (0x00000000 if master key) buffer.writeUInt32BE(this.index, 9) // 32 bytes: the chain code this.chainCode.copy(buffer, 13) // 33 bytes: the public key or private key data if (isPrivate) { // FIXME: remove in 2.x.y assert(this.privKey, 'Missing private key') // 0x00 + k for private keys buffer.writeUInt8(0, 45) this.privKey.d.toBuffer(32).copy(buffer, 46) } else { // X9.62 encoding for public keys this.pubKey.toBuffer().copy(buffer, 45) } return buffer } // FIXME: remove in 2.x.y HDNode.prototype.toHex = function (isPrivate) { return this.toBuffer(isPrivate).toString('hex') } // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#child-key-derivation-ckd-functions HDNode.prototype.derive = function (index) { var isHardened = index >= HDNode.HIGHEST_BIT var indexBuffer = new Buffer(4) indexBuffer.writeUInt32BE(index, 0) var data // Hardened child if (isHardened) { assert(this.privKey, 'Could not derive hardened child key') // data = 0x00 || ser256(kpar) || ser32(index) data = Buffer.concat([ this.privKey.d.toBuffer(33), indexBuffer ]) // Normal child } else { // data = serP(point(kpar)) || ser32(index) // = serP(Kpar) || ser32(index) data = Buffer.concat([ this.pubKey.toBuffer(), indexBuffer ]) } var I = createHmac('sha512', this.chainCode).update(data).digest() var IL = I.slice(0, 32) var IR = I.slice(32) var pIL = BigInteger.fromBuffer(IL) // In case parse256(IL) >= n, proceed with the next value for i if (pIL.compareTo(curve.n) >= 0) { return this.derive(index + 1) } // Private parent key -> private child key var hd if (this.privKey) { // ki = parse256(IL) + kpar (mod n) var ki = pIL.add(this.privKey.d).mod(curve.n) // In case ki == 0, proceed with the next value for i if (ki.signum() === 0) { return this.derive(index + 1) } hd = new HDNode(ki, IR, this.network) // Public parent key -> public child key } else { // Ki = point(parse256(IL)) + Kpar // = G*IL + Kpar var Ki = curve.G.multiply(pIL).add(this.pubKey.Q) // In case Ki is the point at infinity, proceed with the next value for i if (curve.isInfinity(Ki)) { return this.derive(index + 1) } hd = new HDNode(Ki, IR, this.network) } hd.depth = this.depth + 1 hd.index = index hd.parentFingerprint = this.getFingerprint().readUInt32BE(0) return hd } HDNode.prototype.deriveHardened = function (index) { // Only derives hardened private keys by default return this.derive(index + HDNode.HIGHEST_BIT) } HDNode.prototype.toString = HDNode.prototype.toBase58 module.exports = HDNode }).call(this,require("buffer").Buffer) },{"./crypto":37,"./eckey":39,"./ecpubkey":40,"./networks":45,"assert":157,"bigi":7,"bs58check":9,"buffer":172,"create-hmac":24,"ecurve":28,"typeforce":32}],43:[function(require,module,exports){ module.exports = { Address: require('./address'), base58check: require('./base58check'), Block: require('./block'), bufferutils: require('./bufferutils'), crypto: require('./crypto'), ecdsa: require('./ecdsa'), ECKey: require('./eckey'), ECPubKey: require('./ecpubkey'), ECSignature: require('./ecsignature'), Message: require('./message'), opcodes: require('./opcodes'), HDNode: require('./hdnode'), Script: require('./script'), scripts: require('./scripts'), Transaction: require('./transaction'), TransactionBuilder: require('./transaction_builder'), networks: require('./networks'), Wallet: require('./wallet') } },{"./address":33,"./base58check":34,"./block":35,"./bufferutils":36,"./crypto":37,"./ecdsa":38,"./eckey":39,"./ecpubkey":40,"./ecsignature":41,"./hdnode":42,"./message":44,"./networks":45,"./opcodes":46,"./script":47,"./scripts":48,"./transaction":49,"./transaction_builder":50,"./wallet":51}],44:[function(require,module,exports){ (function (Buffer){ var bufferutils = require('./bufferutils') var crypto = require('./crypto') var ecdsa = require('./ecdsa') var networks = require('./networks') var BigInteger = require('bigi') var ECPubKey = require('./ecpubkey') var ECSignature = require('./ecsignature') var ecurve = require('ecurve') var ecparams = ecurve.getCurveByName('secp256k1') function magicHash (message, network) { var magicPrefix = new Buffer(network.magicPrefix) var messageBuffer = new Buffer(message) var lengthBuffer = bufferutils.varIntBuffer(messageBuffer.length) var buffer = Buffer.concat([magicPrefix, lengthBuffer, messageBuffer]) return crypto.hash256(buffer) } function sign (privKey, message, network) { network = network || networks.bitcoin var hash = magicHash(message, network) var signature = privKey.sign(hash) var e = BigInteger.fromBuffer(hash) var i = ecdsa.calcPubKeyRecoveryParam(ecparams, e, signature, privKey.pub.Q) return signature.toCompact(i, privKey.pub.compressed) } // TODO: network could be implied from address function verify (address, signature, message, network) { if (!Buffer.isBuffer(signature)) { signature = new Buffer(signature, 'base64') } network = network || networks.bitcoin var hash = magicHash(message, network) var parsed = ECSignature.parseCompact(signature) var e = BigInteger.fromBuffer(hash) var Q = ecdsa.recoverPubKey(ecparams, e, parsed.signature, parsed.i) var pubKey = new ECPubKey(Q, parsed.compressed) return pubKey.getAddress(network).toString() === address.toString() } module.exports = { magicHash: magicHash, sign: sign, verify: verify } }).call(this,require("buffer").Buffer) },{"./bufferutils":36,"./crypto":37,"./ecdsa":38,"./ecpubkey":40,"./ecsignature":41,"./networks":45,"bigi":7,"buffer":172,"ecurve":28}],45:[function(require,module,exports){ // https://en.bitcoin.it/wiki/List_of_address_prefixes // Dogecoin BIP32 is a proposed standard: https://bitcointalk.org/index.php?topic=409731 var networks = { bitcoin: { magicPrefix: '\x18Bitcoin Signed Message:\n', bip32: { public: 0x0488b21e, private: 0x0488ade4 }, pubKeyHash: 0x00, scriptHash: 0x05, wif: 0x80, dustThreshold: 546, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/core.h#L151-L162 feePerKb: 10000, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/main.cpp#L53 estimateFee: estimateFee('bitcoin') }, testnet: { magicPrefix: '\x18Bitcoin Signed Message:\n', bip32: { public: 0x043587cf, private: 0x04358394 }, pubKeyHash: 0x6f, scriptHash: 0xc4, wif: 0xef, dustThreshold: 546, feePerKb: 10000, estimateFee: estimateFee('testnet') }, litecoin: { magicPrefix: '\x19Litecoin Signed Message:\n', bip32: { public: 0x019da462, private: 0x019d9cfe }, pubKeyHash: 0x30, scriptHash: 0x05, wif: 0xb0, dustThreshold: 0, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L360-L365 dustSoftThreshold: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.h#L53 feePerKb: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L56 estimateFee: estimateFee('litecoin') }, dogecoin: { magicPrefix: '\x19Dogecoin Signed Message:\n', bip32: { public: 0x02facafd, private: 0x02fac398 }, pubKeyHash: 0x1e, scriptHash: 0x16, wif: 0x9e, dustThreshold: 0, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/core.h#L155-L160 dustSoftThreshold: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.h#L62 feePerKb: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.cpp#L58 estimateFee: estimateFee('dogecoin') }, viacoin: { magicPrefix: '\x18Viacoin Signed Message:\n', bip32: { public: 0x0488b21e, private: 0x0488ade4 }, pubKeyHash: 0x47, scriptHash: 0x21, wif: 0xc7, dustThreshold: 560, dustSoftThreshold: 100000, feePerKb: 100000, // estimateFee: estimateFee('viacoin') }, viacointestnet: { magicPrefix: '\x18Viacoin Signed Message:\n', bip32: { public: 0x043587cf, private: 0x04358394 }, pubKeyHash: 0x7f, scriptHash: 0xc4, wif: 0xff, dustThreshold: 560, dustSoftThreshold: 100000, feePerKb: 100000, estimateFee: estimateFee('viacointestnet') }, gamerscoin: { magicPrefix: '\x19Gamerscoin Signed Message:\n', bip32: { public: 0x019da462, private: 0x019d9cfe }, pubKeyHash: 0x26, scriptHash: 0x05, wif: 0xA6, dustThreshold: 0, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L358-L363 dustSoftThreshold: 100000, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L51 feePerKb: 100000, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L54 estimateFee: estimateFee('gamerscoin') }, jumbucks: { magicPrefix: '\x19Jumbucks Signed Message:\n', bip32: { public: 0x037a689a, private: 0x037a6460 }, pubKeyHash: 0x2b, scriptHash: 0x05, wif: 0xab, dustThreshold: 0, dustSoftThreshold: 10000, feePerKb: 10000, estimateFee: estimateFee('jumbucks') }, zetacoin: { magicPrefix: '\x18Zetacoin Signed Message:\n', bip32: { public: 0x0488b21e, private: 0x0488ade4 }, pubKeyHash: 0x50, scriptHash: 0x09, wif: 0xe0, dustThreshold: 546, // https://github.com/zetacoin/zetacoin/blob/master/src/core.h#L159 feePerKb: 10000, // https://github.com/zetacoin/zetacoin/blob/master/src/main.cpp#L54 estimateFee: estimateFee('zetacoin') } } function estimateFee (type) { return function (tx) { var network = networks[type] var baseFee = network.feePerKb var byteSize = tx.toBuffer().length var fee = baseFee * Math.ceil(byteSize / 1000) if (network.dustSoftThreshold === undefined) return fee tx.outs.forEach(function (e) { if (e.value < network.dustSoftThreshold) { fee += baseFee } }) return fee } } module.exports = networks },{}],46:[function(require,module,exports){ module.exports = { // push value OP_FALSE: 0, OP_0: 0, OP_PUSHDATA1: 76, OP_PUSHDATA2: 77, OP_PUSHDATA4: 78, OP_1NEGATE: 79, OP_RESERVED: 80, OP_1: 81, OP_TRUE: 81, OP_2: 82, OP_3: 83, OP_4: 84, OP_5: 85, OP_6: 86, OP_7: 87, OP_8: 88, OP_9: 89, OP_10: 90, OP_11: 91, OP_12: 92, OP_13: 93, OP_14: 94, OP_15: 95, OP_16: 96, // control OP_NOP: 97, OP_VER: 98, OP_IF: 99, OP_NOTIF: 100, OP_VERIF: 101, OP_VERNOTIF: 102, OP_ELSE: 103, OP_ENDIF: 104, OP_VERIFY: 105, OP_RETURN: 106, // stack ops OP_TOALTSTACK: 107, OP_FROMALTSTACK: 108, OP_2DROP: 109, OP_2DUP: 110, OP_3DUP: 111, OP_2OVER: 112, OP_2ROT: 113, OP_2SWAP: 114, OP_IFDUP: 115, OP_DEPTH: 116, OP_DROP: 117, OP_DUP: 118, OP_NIP: 119, OP_OVER: 120, OP_PICK: 121, OP_ROLL: 122, OP_ROT: 123, OP_SWAP: 124, OP_TUCK: 125, // splice ops OP_CAT: 126, OP_SUBSTR: 127, OP_LEFT: 128, OP_RIGHT: 129, OP_SIZE: 130, // bit logic OP_INVERT: 131, OP_AND: 132, OP_OR: 133, OP_XOR: 134, OP_EQUAL: 135, OP_EQUALVERIFY: 136, OP_RESERVED1: 137, OP_RESERVED2: 138, // numeric OP_1ADD: 139, OP_1SUB: 140, OP_2MUL: 141, OP_2DIV: 142, OP_NEGATE: 143, OP_ABS: 144, OP_NOT: 145, OP_0NOTEQUAL: 146, OP_ADD: 147, OP_SUB: 148, OP_MUL: 149, OP_DIV: 150, OP_MOD: 151, OP_LSHIFT: 152, OP_RSHIFT: 153, OP_BOOLAND: 154, OP_BOOLOR: 155, OP_NUMEQUAL: 156, OP_NUMEQUALVERIFY: 157, OP_NUMNOTEQUAL: 158, OP_LESSTHAN: 159, OP_GREATERTHAN: 160, OP_LESSTHANOREQUAL: 161, OP_GREATERTHANOREQUAL: 162, OP_MIN: 163, OP_MAX: 164, OP_WITHIN: 165, // crypto OP_RIPEMD160: 166, OP_SHA1: 167, OP_SHA256: 168, OP_HASH160: 169, OP_HASH256: 170, OP_CODESEPARATOR: 171, OP_CHECKSIG: 172, OP_CHECKSIGVERIFY: 173, OP_CHECKMULTISIG: 174, OP_CHECKMULTISIGVERIFY: 175, // expansion OP_NOP1: 176, OP_NOP2: 177, OP_NOP3: 178, OP_NOP4: 179, OP_NOP5: 180, OP_NOP6: 181, OP_NOP7: 182, OP_NOP8: 183, OP_NOP9: 184, OP_NOP10: 185, // template matching params OP_PUBKEYHASH: 253, OP_PUBKEY: 254, OP_INVALIDOPCODE: 255 } },{}],47:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var bufferutils = require('./bufferutils') var crypto = require('./crypto') var typeForce = require('typeforce') var opcodes = require('./opcodes') function Script (buffer, chunks) { typeForce('Buffer', buffer) typeForce('Array', chunks) this.buffer = buffer this.chunks = chunks } Script.fromASM = function (asm) { var strChunks = asm.split(' ') var chunks = strChunks.map(function (strChunk) { // opcode if (strChunk in opcodes) { return opcodes[strChunk] // data chunk } else { return new Buffer(strChunk, 'hex') } }) return Script.fromChunks(chunks) } Script.fromBuffer = function (buffer) { var chunks = [] var i = 0 while (i < buffer.length) { var opcode = buffer.readUInt8(i) // data chunk if ((opcode > opcodes.OP_0) && (opcode <= opcodes.OP_PUSHDATA4)) { var d = bufferutils.readPushDataInt(buffer, i) // did reading a pushDataInt fail? return non-chunked script if (d === null) return new Script(buffer, []) i += d.size // attempt to read too much data? if (i + d.number > buffer.length) return new Script(buffer, []) var data = buffer.slice(i, i + d.number) i += d.number chunks.push(data) // opcode } else { chunks.push(opcode) i += 1 } } return new Script(buffer, chunks) } Script.fromChunks = function (chunks) { typeForce('Array', chunks) var bufferSize = chunks.reduce(function (accum, chunk) { // data chunk if (Buffer.isBuffer(chunk)) { return accum + bufferutils.pushDataSize(chunk.length) + chunk.length } // opcode return accum + 1 }, 0.0) var buffer = new Buffer(bufferSize) var offset = 0 chunks.forEach(function (chunk) { // data chunk if (Buffer.isBuffer(chunk)) { offset += bufferutils.writePushDataInt(buffer, chunk.length, offset) chunk.copy(buffer, offset) offset += chunk.length // opcode } else { buffer.writeUInt8(chunk, offset) offset += 1 } }) assert.equal(offset, buffer.length, 'Could not decode chunks') return new Script(buffer, chunks) } Script.fromHex = function (hex) { return Script.fromBuffer(new Buffer(hex, 'hex')) } Script.EMPTY = Script.fromChunks([]) Script.prototype.getHash = function () { return crypto.hash160(this.buffer) } // FIXME: doesn't work for data chunks, maybe time to use buffertools.compare... Script.prototype.without = function (needle) { return Script.fromChunks(this.chunks.filter(function (op) { return op !== needle })) } var reverseOps = [] for (var op in opcodes) { var code = opcodes[op] reverseOps[code] = op } Script.prototype.toASM = function () { return this.chunks.map(function (chunk) { // data chunk if (Buffer.isBuffer(chunk)) { return chunk.toString('hex') // opcode } else { return reverseOps[chunk] } }).join(' ') } Script.prototype.toBuffer = function () { return this.buffer } Script.prototype.toHex = function () { return this.toBuffer().toString('hex') } module.exports = Script }).call(this,require("buffer").Buffer) },{"./bufferutils":36,"./crypto":37,"./opcodes":46,"assert":157,"buffer":172,"typeforce":32}],48:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var ops = require('./opcodes') var typeForce = require('typeforce') var ecurve = require('ecurve') var curve = ecurve.getCurveByName('secp256k1') var ECSignature = require('./ecsignature') var Script = require('./script') function isCanonicalPubKey (buffer) { if (!Buffer.isBuffer(buffer)) return false try { ecurve.Point.decodeFrom(curve, buffer) } catch (e) { if (!(e.message.match(/Invalid sequence (length|tag)/))) throw e return false } return true } function isCanonicalSignature (buffer) { if (!Buffer.isBuffer(buffer)) return false try { ECSignature.parseScriptSignature(buffer) } catch (e) { if (!(e.message.match(/Not a DER sequence|Invalid sequence length|Expected a DER integer|R length is zero|S length is zero|R value excessively padded|S value excessively padded|R value is negative|S value is negative|Invalid hashType/))) { throw e } return false } return true } function isPubKeyHashInput (script) { return script.chunks.length === 2 && isCanonicalSignature(script.chunks[0]) && isCanonicalPubKey(script.chunks[1]) } function isPubKeyHashOutput (script) { return script.chunks.length === 5 && script.chunks[0] === ops.OP_DUP && script.chunks[1] === ops.OP_HASH160 && Buffer.isBuffer(script.chunks[2]) && script.chunks[2].length === 20 && script.chunks[3] === ops.OP_EQUALVERIFY && script.chunks[4] === ops.OP_CHECKSIG } function isPubKeyInput (script) { return script.chunks.length === 1 && isCanonicalSignature(script.chunks[0]) } function isPubKeyOutput (script) { return script.chunks.length === 2 && isCanonicalPubKey(script.chunks[0]) && script.chunks[1] === ops.OP_CHECKSIG } function isScriptHashInput (script, allowIncomplete) { if (script.chunks.length < 2) return false var lastChunk = script.chunks[script.chunks.length - 1] if (!Buffer.isBuffer(lastChunk)) return false var scriptSig = Script.fromChunks(script.chunks.slice(0, -1)) var redeemScript = Script.fromBuffer(lastChunk) // is redeemScript a valid script? if (redeemScript.chunks.length === 0) return false return classifyInput(scriptSig, allowIncomplete) === classifyOutput(redeemScript) } function isScriptHashOutput (script) { return script.chunks.length === 3 && script.chunks[0] === ops.OP_HASH160 && Buffer.isBuffer(script.chunks[1]) && script.chunks[1].length === 20 && script.chunks[2] === ops.OP_EQUAL } // allowIncomplete is to account for combining signatures // See https://github.com/bitcoin/bitcoin/blob/f425050546644a36b0b8e0eb2f6934a3e0f6f80f/src/script/sign.cpp#L195-L197 function isMultisigInput (script, allowIncomplete) { if (script.chunks.length < 2) return false if (script.chunks[0] !== ops.OP_0) return false if (allowIncomplete) { return script.chunks.slice(1).every(function (chunk) { return chunk === ops.OP_0 || isCanonicalSignature(chunk) }) } return script.chunks.slice(1).every(isCanonicalSignature) } function isMultisigOutput (script) { if (script.chunks.length < 4) return false if (script.chunks[script.chunks.length - 1] !== ops.OP_CHECKMULTISIG) return false var mOp = script.chunks[0] if (mOp === ops.OP_0) return false if (mOp < ops.OP_1) return false if (mOp > ops.OP_16) return false var nOp = script.chunks[script.chunks.length - 2] if (nOp === ops.OP_0) return false if (nOp < ops.OP_1) return false if (nOp > ops.OP_16) return false var m = mOp - (ops.OP_1 - 1) var n = nOp - (ops.OP_1 - 1) if (n < m) return false var pubKeys = script.chunks.slice(1, -2) if (n < pubKeys.length) return false return pubKeys.every(isCanonicalPubKey) } function isNullDataOutput (script) { return script.chunks[0] === ops.OP_RETURN } function classifyOutput (script) { typeForce('Script', script) if (isPubKeyHashOutput(script)) { return 'pubkeyhash' } else if (isScriptHashOutput(script)) { return 'scripthash' } else if (isMultisigOutput(script)) { return 'multisig' } else if (isPubKeyOutput(script)) { return 'pubkey' } else if (isNullDataOutput(script)) { return 'nulldata' } return 'nonstandard' } function classifyInput (script, allowIncomplete) { typeForce('Script', script) if (isPubKeyHashInput(script)) { return 'pubkeyhash' } else if (isMultisigInput(script, allowIncomplete)) { return 'multisig' } else if (isScriptHashInput(script, allowIncomplete)) { return 'scripthash' } else if (isPubKeyInput(script)) { return 'pubkey' } return 'nonstandard' } // Standard Script Templates // {pubKey} OP_CHECKSIG function pubKeyOutput (pubKey) { return Script.fromChunks([ pubKey.toBuffer(), ops.OP_CHECKSIG ]) } // OP_DUP OP_HASH160 {pubKeyHash} OP_EQUALVERIFY OP_CHECKSIG function pubKeyHashOutput (hash) { typeForce('Buffer', hash) return Script.fromChunks([ ops.OP_DUP, ops.OP_HASH160, hash, ops.OP_EQUALVERIFY, ops.OP_CHECKSIG ]) } // OP_HASH160 {scriptHash} OP_EQUAL function scriptHashOutput (hash) { typeForce('Buffer', hash) return Script.fromChunks([ ops.OP_HASH160, hash, ops.OP_EQUAL ]) } // m [pubKeys ...] n OP_CHECKMULTISIG function multisigOutput (m, pubKeys) { typeForce(['ECPubKey'], pubKeys) assert(pubKeys.length >= m, 'Not enough pubKeys provided') var pubKeyBuffers = pubKeys.map(function (pubKey) { return pubKey.toBuffer() }) var n = pubKeys.length return Script.fromChunks([].concat( (ops.OP_1 - 1) + m, pubKeyBuffers, (ops.OP_1 - 1) + n, ops.OP_CHECKMULTISIG )) } // {signature} function pubKeyInput (signature) { typeForce('Buffer', signature) return Script.fromChunks([signature]) } // {signature} {pubKey} function pubKeyHashInput (signature, pubKey) { typeForce('Buffer', signature) return Script.fromChunks([signature, pubKey.toBuffer()]) } // {serialized scriptPubKey script} function scriptHashInput (scriptSig, scriptPubKey) { return Script.fromChunks([].concat( scriptSig.chunks, scriptPubKey.toBuffer() )) } // OP_0 [signatures ...] function multisigInput (signatures, scriptPubKey) { if (scriptPubKey) { assert(isMultisigOutput(scriptPubKey)) var mOp = scriptPubKey.chunks[0] var nOp = scriptPubKey.chunks[scriptPubKey.chunks.length - 2] var m = mOp - (ops.OP_1 - 1) var n = nOp - (ops.OP_1 - 1) assert(signatures.length >= m, 'Not enough signatures provided') assert(signatures.length <= n, 'Too many signatures provided') } return Script.fromChunks([].concat(ops.OP_0, signatures)) } function nullDataOutput (data) { return Script.fromChunks([ops.OP_RETURN, data]) } module.exports = { isCanonicalPubKey: isCanonicalPubKey, isCanonicalSignature: isCanonicalSignature, isPubKeyHashInput: isPubKeyHashInput, isPubKeyHashOutput: isPubKeyHashOutput, isPubKeyInput: isPubKeyInput, isPubKeyOutput: isPubKeyOutput, isScriptHashInput: isScriptHashInput, isScriptHashOutput: isScriptHashOutput, isMultisigInput: isMultisigInput, isMultisigOutput: isMultisigOutput, isNullDataOutput: isNullDataOutput, classifyOutput: classifyOutput, classifyInput: classifyInput, pubKeyOutput: pubKeyOutput, pubKeyHashOutput: pubKeyHashOutput, scriptHashOutput: scriptHashOutput, multisigOutput: multisigOutput, pubKeyInput: pubKeyInput, pubKeyHashInput: pubKeyHashInput, scriptHashInput: scriptHashInput, multisigInput: multisigInput, dataOutput: function (data) { console.warn('dataOutput is deprecated, use nullDataOutput by 2.0.0') return nullDataOutput(data) }, nullDataOutput: nullDataOutput } }).call(this,require("buffer").Buffer) },{"./ecsignature":41,"./opcodes":46,"./script":47,"assert":157,"buffer":172,"ecurve":28,"typeforce":32}],49:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var bufferutils = require('./bufferutils') var crypto = require('./crypto') var typeForce = require('typeforce') var opcodes = require('./opcodes') var scripts = require('./scripts') var Address = require('./address') var ECSignature = require('./ecsignature') var Script = require('./script') function Transaction () { this.version = 1 this.locktime = 0 this.ins = [] this.outs = [] } Transaction.DEFAULT_SEQUENCE = 0xffffffff Transaction.SIGHASH_ALL = 0x01 Transaction.SIGHASH_NONE = 0x02 Transaction.SIGHASH_SINGLE = 0x03 Transaction.SIGHASH_ANYONECANPAY = 0x80 Transaction.fromBuffer = function (buffer, __disableAssert) { var offset = 0 function readSlice (n) { offset += n return buffer.slice(offset - n, offset) } function readUInt32 () { var i = buffer.readUInt32LE(offset) offset += 4 return i } function readUInt64 () { var i = bufferutils.readUInt64LE(buffer, offset) offset += 8 return i } function readVarInt () { var vi = bufferutils.readVarInt(buffer, offset) offset += vi.size return vi.number } function readScript () { return Script.fromBuffer(readSlice(readVarInt())) } function readGenerationScript () { return new Script(readSlice(readVarInt()), []) } var tx = new Transaction() tx.version = readUInt32() var vinLen = readVarInt() for (var i = 0; i < vinLen; ++i) { var hash = readSlice(32) if (Transaction.isCoinbaseHash(hash)) { tx.ins.push({ hash: hash, index: readUInt32(), script: readGenerationScript(), sequence: readUInt32() }) } else { tx.ins.push({ hash: hash, index: readUInt32(), script: readScript(), sequence: readUInt32() }) } } var voutLen = readVarInt() for (i = 0; i < voutLen; ++i) { tx.outs.push({ value: readUInt64(), script: readScript() }) } tx.locktime = readUInt32() if (!__disableAssert) { assert.equal(offset, buffer.length, 'Transaction has unexpected data') } return tx } Transaction.fromHex = function (hex) { return Transaction.fromBuffer(new Buffer(hex, 'hex')) } Transaction.isCoinbaseHash = function (buffer) { return Array.prototype.every.call(buffer, function (x) { return x === 0 }) } /** * Create a new txIn. * * Can be called with any of: * * - A transaction and an index * - A transaction hash and an index * * Note that this method does not sign the created input. */ Transaction.prototype.addInput = function (hash, index, sequence, script) { if (sequence === undefined || sequence === null) { sequence = Transaction.DEFAULT_SEQUENCE } script = script || Script.EMPTY if (typeof hash === 'string') { // TxId hex is big-endian, we need little-endian hash = bufferutils.reverse(new Buffer(hash, 'hex')) } else if (hash instanceof Transaction) { hash = hash.getHash() } typeForce('Buffer', hash) typeForce('Number', index) typeForce('Number', sequence) typeForce('Script', script) assert.equal(hash.length, 32, 'Expected hash length of 32, got ' + hash.length) // Add the input and return the input's index return (this.ins.push({ hash: hash, index: index, script: script, sequence: sequence }) - 1) } /** * Create a new txOut. * * Can be called with: * * - A base58 address string and a value * - An Address object and a value * - A scriptPubKey Script and a value */ Transaction.prototype.addOutput = function (scriptPubKey, value) { // Attempt to get a valid address if it's a base58 address string if (typeof scriptPubKey === 'string') { scriptPubKey = Address.fromBase58Check(scriptPubKey) } // Attempt to get a valid script if it's an Address object if (scriptPubKey instanceof Address) { scriptPubKey = scriptPubKey.toOutputScript() } typeForce('Script', scriptPubKey) typeForce('Number', value) // Add the output and return the output's index return (this.outs.push({ script: scriptPubKey, value: value }) - 1) } Transaction.prototype.clone = function () { var newTx = new Transaction() newTx.version = this.version newTx.locktime = this.locktime newTx.ins = this.ins.map(function (txIn) { return { hash: txIn.hash, index: txIn.index, script: txIn.script, sequence: txIn.sequence } }) newTx.outs = this.outs.map(function (txOut) { return { script: txOut.script, value: txOut.value } }) return newTx } /** * Hash transaction for signing a specific input. * * Bitcoin uses a different hash for each signed transaction input. This * method copies the transaction, makes the necessary changes based on the * hashType, serializes and finally hashes the result. This hash can then be * used to sign the transaction input in question. */ Transaction.prototype.hashForSignature = function (inIndex, prevOutScript, hashType) { // FIXME: remove in 2.x.y if (arguments[0] instanceof Script) { console.warn('hashForSignature(prevOutScript, inIndex, ...) has been deprecated. Use hashForSignature(inIndex, prevOutScript, ...)') // swap the arguments (must be stored in tmp, arguments is special) var tmp = arguments[0] inIndex = arguments[1] prevOutScript = tmp } typeForce('Number', inIndex) typeForce('Script', prevOutScript) typeForce('Number', hashType) assert(inIndex >= 0, 'Invalid vin index') assert(inIndex < this.ins.length, 'Invalid vin index') var txTmp = this.clone() var hashScript = prevOutScript.without(opcodes.OP_CODESEPARATOR) // Blank out other inputs' signatures txTmp.ins.forEach(function (txIn) { txIn.script = Script.EMPTY }) txTmp.ins[inIndex].script = hashScript var hashTypeModifier = hashType & 0x1f if (hashTypeModifier === Transaction.SIGHASH_NONE) { assert(false, 'SIGHASH_NONE not yet supported') } else if (hashTypeModifier === Transaction.SIGHASH_SINGLE) { assert(false, 'SIGHASH_SINGLE not yet supported') } if (hashType & Transaction.SIGHASH_ANYONECANPAY) { assert(false, 'SIGHASH_ANYONECANPAY not yet supported') } var hashTypeBuffer = new Buffer(4) hashTypeBuffer.writeInt32LE(hashType, 0) var buffer = Buffer.concat([txTmp.toBuffer(), hashTypeBuffer]) return crypto.hash256(buffer) } Transaction.prototype.getHash = function () { return crypto.hash256(this.toBuffer()) } Transaction.prototype.getId = function () { // TxHash is little-endian, we need big-endian return bufferutils.reverse(this.getHash()).toString('hex') } Transaction.prototype.toBuffer = function () { function scriptSize (script) { var length = script.buffer.length return bufferutils.varIntSize(length) + length } var buffer = new Buffer( 8 + bufferutils.varIntSize(this.ins.length) + bufferutils.varIntSize(this.outs.length) + this.ins.reduce(function (sum, input) { return sum + 40 + scriptSize(input.script) }, 0) + this.outs.reduce(function (sum, output) { return sum + 8 + scriptSize(output.script) }, 0) ) var offset = 0 function writeSlice (slice) { slice.copy(buffer, offset) offset += slice.length } function writeUInt32 (i) { buffer.writeUInt32LE(i, offset) offset += 4 } function writeUInt64 (i) { bufferutils.writeUInt64LE(buffer, i, offset) offset += 8 } function writeVarInt (i) { var n = bufferutils.writeVarInt(buffer, i, offset) offset += n } writeUInt32(this.version) writeVarInt(this.ins.length) this.ins.forEach(function (txIn) { writeSlice(txIn.hash) writeUInt32(txIn.index) writeVarInt(txIn.script.buffer.length) writeSlice(txIn.script.buffer) writeUInt32(txIn.sequence) }) writeVarInt(this.outs.length) this.outs.forEach(function (txOut) { writeUInt64(txOut.value) writeVarInt(txOut.script.buffer.length) writeSlice(txOut.script.buffer) }) writeUInt32(this.locktime) return buffer } Transaction.prototype.toHex = function () { return this.toBuffer().toString('hex') } Transaction.prototype.setInputScript = function (index, script) { typeForce('Number', index) typeForce('Script', script) this.ins[index].script = script } // FIXME: remove in 2.x.y Transaction.prototype.sign = function (index, privKey, hashType) { console.warn('Transaction.prototype.sign is deprecated. Use TransactionBuilder instead.') var prevOutScript = privKey.pub.getAddress().toOutputScript() var signature = this.signInput(index, prevOutScript, privKey, hashType) var scriptSig = scripts.pubKeyHashInput(signature, privKey.pub) this.setInputScript(index, scriptSig) } // FIXME: remove in 2.x.y Transaction.prototype.signInput = function (index, prevOutScript, privKey, hashType) { console.warn('Transaction.prototype.signInput is deprecated. Use TransactionBuilder instead.') hashType = hashType || Transaction.SIGHASH_ALL var hash = this.hashForSignature(index, prevOutScript, hashType) var signature = privKey.sign(hash) return signature.toScriptSignature(hashType) } // FIXME: remove in 2.x.y Transaction.prototype.validateInput = function (index, prevOutScript, pubKey, buffer) { console.warn('Transaction.prototype.validateInput is deprecated. Use TransactionBuilder instead.') var parsed = ECSignature.parseScriptSignature(buffer) var hash = this.hashForSignature(index, prevOutScript, parsed.hashType) return pubKey.verify(hash, parsed.signature) } module.exports = Transaction }).call(this,require("buffer").Buffer) },{"./address":33,"./bufferutils":36,"./crypto":37,"./ecsignature":41,"./opcodes":46,"./script":47,"./scripts":48,"assert":157,"buffer":172,"typeforce":32}],50:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var ops = require('./opcodes') var scripts = require('./scripts') var ECPubKey = require('./ecpubkey') var ECSignature = require('./ecsignature') var Script = require('./script') var Transaction = require('./transaction') function extractInput (txIn) { var redeemScript var scriptSig = txIn.script var prevOutScript var prevOutType = scripts.classifyInput(scriptSig, true) var scriptType // Re-classify if scriptHash if (prevOutType === 'scripthash') { redeemScript = Script.fromBuffer(scriptSig.chunks.slice(-1)[0]) prevOutScript = scripts.scriptHashOutput(redeemScript.getHash()) scriptSig = Script.fromChunks(scriptSig.chunks.slice(0, -1)) scriptType = scripts.classifyInput(scriptSig, true) } else { scriptType = prevOutType } // Extract hashType, pubKeys and signatures var hashType, parsed, pubKeys, signatures switch (scriptType) { case 'pubkeyhash': { parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0]) hashType = parsed.hashType pubKeys = [ECPubKey.fromBuffer(scriptSig.chunks[1])] signatures = [parsed.signature] prevOutScript = pubKeys[0].getAddress().toOutputScript() break } case 'pubkey': { parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0]) hashType = parsed.hashType signatures = [parsed.signature] if (redeemScript) { pubKeys = [ECPubKey.fromBuffer(redeemScript.chunks[0])] } break } case 'multisig': { signatures = scriptSig.chunks.slice(1).map(function (chunk) { if (chunk === ops.OP_0) return chunk var parsed = ECSignature.parseScriptSignature(chunk) hashType = parsed.hashType return parsed.signature }) if (redeemScript) { pubKeys = redeemScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer) } break } } return { hashType: hashType, prevOutScript: prevOutScript, prevOutType: prevOutType, pubKeys: pubKeys, redeemScript: redeemScript, scriptType: scriptType, signatures: signatures } } function TransactionBuilder () { this.prevTxMap = {} this.prevOutScripts = {} this.prevOutTypes = {} this.inputs = [] this.tx = new Transaction() } TransactionBuilder.fromTransaction = function (transaction) { var txb = new TransactionBuilder() // Copy other transaction fields txb.tx.version = transaction.version txb.tx.locktime = transaction.locktime // Extract/add inputs transaction.ins.forEach(function (txIn) { txb.addInput(txIn.hash, txIn.index, txIn.sequence) }) // Extract/add outputs transaction.outs.forEach(function (txOut) { txb.addOutput(txOut.script, txOut.value) }) // Extract/add signatures txb.inputs = transaction.ins.map(function (txIn) { // TODO: remove me after testcase added assert(!Transaction.isCoinbaseHash(txIn.hash), 'coinbase inputs not supported') // Ignore empty scripts if (txIn.script.buffer.length === 0) return {} return extractInput(txIn) }) return txb } TransactionBuilder.prototype.addInput = function (prevTx, index, sequence, prevOutScript) { var prevOutHash // txId if (typeof prevTx === 'string') { prevOutHash = new Buffer(prevTx, 'hex') // TxId hex is big-endian, we want little-endian hash Array.prototype.reverse.call(prevOutHash) // Transaction } else if (prevTx instanceof Transaction) { prevOutHash = prevTx.getHash() prevOutScript = prevTx.outs[index].script // txHash } else { prevOutHash = prevTx } var input = {} if (prevOutScript) { var prevOutType = scripts.classifyOutput(prevOutScript) // if we can, extract pubKey information switch (prevOutType) { case 'multisig': { input.pubKeys = prevOutScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer) break } case 'pubkey': { input.pubKeys = prevOutScript.chunks.slice(0, 1).map(ECPubKey.fromBuffer) break } } if (prevOutType !== 'scripthash') { input.scriptType = prevOutType } input.prevOutScript = prevOutScript input.prevOutType = prevOutType } assert(this.inputs.every(function (input2) { if (input2.hashType === undefined) return true return input2.hashType & Transaction.SIGHASH_ANYONECANPAY }), 'No, this would invalidate signatures') var prevOut = prevOutHash.toString('hex') + ':' + index assert(!(prevOut in this.prevTxMap), 'Transaction is already an input') var vin = this.tx.addInput(prevOutHash, index, sequence) this.inputs[vin] = input this.prevTxMap[prevOut] = vin return vin } TransactionBuilder.prototype.addOutput = function (scriptPubKey, value) { assert(this.inputs.every(function (input) { if (input.hashType === undefined) return true return (input.hashType & 0x1f) === Transaction.SIGHASH_SINGLE }), 'No, this would invalidate signatures') return this.tx.addOutput(scriptPubKey, value) } TransactionBuilder.prototype.build = function () { return this.__build(false) } TransactionBuilder.prototype.buildIncomplete = function () { return this.__build(true) } var canSignTypes = { 'pubkeyhash': true, 'multisig': true, 'pubkey': true } TransactionBuilder.prototype.__build = function (allowIncomplete) { if (!allowIncomplete) { assert(this.tx.ins.length > 0, 'Transaction has no inputs') assert(this.tx.outs.length > 0, 'Transaction has no outputs') } var tx = this.tx.clone() // Create script signatures from signature meta-data this.inputs.forEach(function (input, index) { var scriptType = input.scriptType var scriptSig if (!allowIncomplete) { assert(!!scriptType, 'Transaction is not complete') assert(scriptType in canSignTypes, scriptType + ' not supported') assert(input.signatures, 'Transaction is missing signatures') } if (input.signatures) { switch (scriptType) { case 'pubkeyhash': { var pkhSignature = input.signatures[0].toScriptSignature(input.hashType) scriptSig = scripts.pubKeyHashInput(pkhSignature, input.pubKeys[0]) break } case 'multisig': { // Array.prototype.map is sparse-compatible var msSignatures = input.signatures.map(function (signature) { return signature && signature.toScriptSignature(input.hashType) }) // fill in blanks with OP_0 if (allowIncomplete) { for (var i = 0; i < msSignatures.length; ++i) { if (msSignatures[i]) continue msSignatures[i] = ops.OP_0 } } else { // Array.prototype.filter returns non-sparse array msSignatures = msSignatures.filter(function (x) { return x }) } var redeemScript = allowIncomplete ? undefined : input.redeemScript scriptSig = scripts.multisigInput(msSignatures, redeemScript) break } case 'pubkey': { var pkSignature = input.signatures[0].toScriptSignature(input.hashType) scriptSig = scripts.pubKeyInput(pkSignature) break } } } // did we build a scriptSig? if (scriptSig) { // wrap as scriptHash if necessary if (input.prevOutType === 'scripthash') { scriptSig = scripts.scriptHashInput(scriptSig, input.redeemScript) } tx.setInputScript(index, scriptSig) } }) return tx } TransactionBuilder.prototype.sign = function (index, privKey, redeemScript, hashType) { assert(index in this.inputs, 'No input at index: ' + index) hashType = hashType || Transaction.SIGHASH_ALL var input = this.inputs[index] var canSign = input.hashType && input.prevOutScript && input.prevOutType && input.pubKeys && input.scriptType && input.signatures // are we almost ready to sign? if (canSign) { // if redeemScript was provided, enforce consistency if (redeemScript) { assert.deepEqual(input.redeemScript, redeemScript, 'Inconsistent redeemScript') } assert.equal(input.hashType, hashType, 'Inconsistent hashType') // no? prepare } else { // must be pay-to-scriptHash? if (redeemScript) { // if we have a prevOutScript, enforce scriptHash equality to the redeemScript if (input.prevOutScript) { assert.equal(input.prevOutType, 'scripthash', 'PrevOutScript must be P2SH') var scriptHash = input.prevOutScript.chunks[1] assert.deepEqual(scriptHash, redeemScript.getHash(), 'RedeemScript does not match ' + scriptHash.toString('hex')) } var scriptType = scripts.classifyOutput(redeemScript) assert(scriptType in canSignTypes, 'RedeemScript not supported (' + scriptType + ')') var pubKeys = [] switch (scriptType) { case 'multisig': { pubKeys = redeemScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer) break } case 'pubkeyhash': { var pkh1 = redeemScript.chunks[2] var pkh2 = privKey.pub.getAddress().hash assert.deepEqual(pkh1, pkh2, 'privateKey cannot sign for this input') pubKeys = [privKey.pub] break } case 'pubkey': { pubKeys = redeemScript.chunks.slice(0, 1).map(ECPubKey.fromBuffer) break } } if (!input.prevOutScript) { input.prevOutScript = scripts.scriptHashOutput(redeemScript.getHash()) input.prevOutType = 'scripthash' } input.pubKeys = pubKeys input.redeemScript = redeemScript input.scriptType = scriptType // cannot be pay-to-scriptHash } else { assert.notEqual(input.prevOutType, 'scripthash', 'PrevOutScript is P2SH, missing redeemScript') // can we otherwise sign this? if (input.scriptType) { assert(input.pubKeys, input.scriptType + ' not supported') // we know nothin' Jon Snow, assume pubKeyHash } else { input.prevOutScript = privKey.pub.getAddress().toOutputScript() input.prevOutType = 'pubkeyhash' input.pubKeys = [privKey.pub] input.scriptType = input.prevOutType } } input.hashType = hashType input.signatures = input.signatures || [] } var signatureScript = input.redeemScript || input.prevOutScript var signatureHash = this.tx.hashForSignature(index, signatureScript, hashType) // enforce signature order matches public keys if (input.scriptType === 'multisig' && input.redeemScript && input.signatures.length !== input.pubKeys.length) { // maintain a local copy of unmatched signatures var unmatched = input.signatures.slice() input.signatures = input.pubKeys.map(function (pubKey) { var match // check for any matching signatures unmatched.some(function (signature, i) { if (!pubKey.verify(signatureHash, signature)) return false match = signature // remove matched signature from unmatched unmatched.splice(i, 1) return true }) return match || undefined }) } // enforce in order signing of public keys assert(input.pubKeys.some(function (pubKey, i) { if (!privKey.pub.Q.equals(pubKey.Q)) return false assert(!input.signatures[i], 'Signature already exists') var signature = privKey.sign(signatureHash) input.signatures[i] = signature return true }, this), 'privateKey cannot sign for this input') } module.exports = TransactionBuilder }).call(this,require("buffer").Buffer) },{"./ecpubkey":40,"./ecsignature":41,"./opcodes":46,"./script":47,"./scripts":48,"./transaction":49,"assert":157,"buffer":172}],51:[function(require,module,exports){ (function (Buffer){ var assert = require('assert') var bufferutils = require('./bufferutils') var typeForce = require('typeforce') var networks = require('./networks') var randomBytes = require('randombytes') var Address = require('./address') var HDNode = require('./hdnode') var TransactionBuilder = require('./transaction_builder') var Script = require('./script') function Wallet (seed, network) { console.warn('Wallet is deprecated and will be removed in 2.0.0, see #296') seed = seed || randomBytes(32) network = network || networks.bitcoin // Stored in a closure to make accidental serialization less likely var masterKey = HDNode.fromSeedBuffer(seed, network) // HD first-level child derivation method should be hardened // See https://bitcointalk.org/index.php?topic=405179.msg4415254#msg4415254 var accountZero = masterKey.deriveHardened(0) var externalAccount = accountZero.derive(0) var internalAccount = accountZero.derive(1) this.addresses = [] this.changeAddresses = [] this.network = network this.unspents = [] // FIXME: remove in 2.0.0 this.unspentMap = {} // FIXME: remove in 2.0.0 var me = this this.newMasterKey = function (seed) { console.warn('newMasterKey is deprecated, please make a new Wallet instance instead') seed = seed || randomBytes(32) masterKey = HDNode.fromSeedBuffer(seed, network) accountZero = masterKey.deriveHardened(0) externalAccount = accountZero.derive(0) internalAccount = accountZero.derive(1) me.addresses = [] me.changeAddresses = [] me.unspents = [] me.unspentMap = {} } this.getMasterKey = function () { return masterKey } this.getAccountZero = function () { return accountZero } this.getExternalAccount = function () { return externalAccount } this.getInternalAccount = function () { return internalAccount } } Wallet.prototype.createTransaction = function (to, value, options) { // FIXME: remove in 2.0.0 if (typeof options !== 'object') { if (options !== undefined) { console.warn('Non options object parameters are deprecated, use options object instead') options = { fixedFee: arguments[2], changeAddress: arguments[3] } } } options = options || {} assert(value > this.network.dustThreshold, value + ' must be above dust threshold (' + this.network.dustThreshold + ' Satoshis)') var changeAddress = options.changeAddress var fixedFee = options.fixedFee var minConf = options.minConf === undefined ? 0 : options.minConf // FIXME: change minConf:1 by default in 2.0.0 // filter by minConf, then pending and sort by descending value var unspents = this.unspents.filter(function (unspent) { return unspent.confirmations >= minConf }).filter(function (unspent) { return !unspent.pending }).sort(function (o1, o2) { return o2.value - o1.value }) var accum = 0 var addresses = [] var subTotal = value var txb = new TransactionBuilder() txb.addOutput(to, value) for (var i = 0; i < unspents.length; ++i) { var unspent = unspents[i] addresses.push(unspent.address) txb.addInput(unspent.txHash, unspent.index) var fee = fixedFee === undefined ? estimatePaddedFee(txb.buildIncomplete(), this.network) : fixedFee accum += unspent.value subTotal = value + fee if (accum >= subTotal) { var change = accum - subTotal if (change > this.network.dustThreshold) { txb.addOutput(changeAddress || this.getChangeAddress(), change) } break } } assert(accum >= subTotal, 'Not enough funds (incl. fee): ' + accum + ' < ' + subTotal) return this.signWith(txb, addresses).build() } // FIXME: remove in 2.0.0 Wallet.prototype.processPendingTx = function (tx) { this.__processTx(tx, true) } // FIXME: remove in 2.0.0 Wallet.prototype.processConfirmedTx = function (tx) { this.__processTx(tx, false) } // FIXME: remove in 2.0.0 Wallet.prototype.__processTx = function (tx, isPending) { console.warn('processTransaction is considered harmful, see issue #260 for more information') var txId = tx.getId() var txHash = tx.getHash() tx.outs.forEach(function (txOut, i) { var address try { address = Address.fromOutputScript(txOut.script, this.network).toString() } catch (e) { if (!(e.message.match(/has no matching Address/))) throw e } var myAddresses = this.addresses.concat(this.changeAddresses) if (myAddresses.indexOf(address) > -1) { var lookup = txId + ':' + i if (lookup in this.unspentMap) return // its unique, add it var unspent = { address: address, confirmations: 0, // no way to determine this without more information index: i, txHash: txHash, txId: txId, value: txOut.value, pending: isPending } this.unspentMap[lookup] = unspent this.unspents.push(unspent) } }, this) tx.ins.forEach(function (txIn) { // copy and convert to big-endian hex var txInId = bufferutils.reverse(txIn.hash).toString('hex') var lookup = txInId + ':' + txIn.index if (!(lookup in this.unspentMap)) return var unspent = this.unspentMap[lookup] if (isPending) { unspent.pending = true unspent.spent = true } else { delete this.unspentMap[lookup] this.unspents = this.unspents.filter(function (unspent2) { return unspent !== unspent2 }) } }, this) } Wallet.prototype.generateAddress = function () { var k = this.addresses.length var address = this.getExternalAccount().derive(k).getAddress() this.addresses.push(address.toString()) return this.getReceiveAddress() } Wallet.prototype.generateChangeAddress = function () { var k = this.changeAddresses.length var address = this.getInternalAccount().derive(k).getAddress() this.changeAddresses.push(address.toString()) return this.getChangeAddress() } Wallet.prototype.getAddress = function () { if (this.addresses.length === 0) { this.generateAddress() } return this.addresses[this.addresses.length - 1] } Wallet.prototype.getBalance = function (minConf) { minConf = minConf || 0 return this.unspents.filter(function (unspent) { return unspent.confirmations >= minConf // FIXME: remove spent filter in 2.0.0 }).filter(function (unspent) { return !unspent.spent }).reduce(function (accum, unspent) { return accum + unspent.value }, 0) } Wallet.prototype.getChangeAddress = function () { if (this.changeAddresses.length === 0) { this.generateChangeAddress() } return this.changeAddresses[this.changeAddresses.length - 1] } Wallet.prototype.getInternalPrivateKey = function (index) { return this.getInternalAccount().derive(index).privKey } Wallet.prototype.getPrivateKey = function (index) { return this.getExternalAccount().derive(index).privKey } Wallet.prototype.getPrivateKeyForAddress = function (address) { var index if ((index = this.addresses.indexOf(address)) > -1) { return this.getPrivateKey(index) } if ((index = this.changeAddresses.indexOf(address)) > -1) { return this.getInternalPrivateKey(index) } assert(false, 'Unknown address. Make sure the address is from the keychain and has been generated') } Wallet.prototype.getUnspentOutputs = function (minConf) { minConf = minConf || 0 return this.unspents.filter(function (unspent) { return unspent.confirmations >= minConf // FIXME: remove spent filter in 2.0.0 }).filter(function (unspent) { return !unspent.spent }).map(function (unspent) { return { address: unspent.address, confirmations: unspent.confirmations, index: unspent.index, txId: unspent.txId, value: unspent.value, // FIXME: remove in 2.0.0 hash: unspent.txId, pending: unspent.pending } }) } Wallet.prototype.setUnspentOutputs = function (unspents) { this.unspentMap = {} this.unspents = unspents.map(function (unspent) { // FIXME: remove unspent.hash in 2.0.0 var txId = unspent.txId || unspent.hash var index = unspent.index // FIXME: remove in 2.0.0 if (unspent.hash !== undefined) { console.warn('unspent.hash is deprecated, use unspent.txId instead') } // FIXME: remove in 2.0.0 if (index === undefined) { console.warn('unspent.outputIndex is deprecated, use unspent.index instead') index = unspent.outputIndex } typeForce('String', txId) typeForce('Number', index) typeForce('Number', unspent.value) assert.equal(txId.length, 64, 'Expected valid txId, got ' + txId) assert.doesNotThrow(function () { Address.fromBase58Check(unspent.address) }, 'Expected Base58 Address, got ' + unspent.address) assert(isFinite(index), 'Expected finite index, got ' + index) // FIXME: remove branch in 2.0.0 if (unspent.confirmations !== undefined) { typeForce('Number', unspent.confirmations) } var txHash = bufferutils.reverse(new Buffer(txId, 'hex')) unspent = { address: unspent.address, confirmations: unspent.confirmations || 0, index: index, txHash: txHash, txId: txId, value: unspent.value, // FIXME: remove in 2.0.0 pending: unspent.pending || false } // FIXME: remove in 2.0.0 this.unspentMap[txId + ':' + index] = unspent return unspent }, this) } Wallet.prototype.signWith = function (tx, addresses) { addresses.forEach(function (address, i) { var privKey = this.getPrivateKeyForAddress(address) tx.sign(i, privKey) }, this) return tx } function estimatePaddedFee (tx, network) { var tmpTx = tx.clone() tmpTx.addOutput(Script.EMPTY, network.dustSoftThreshold || 0) return network.estimateFee(tmpTx) } // FIXME: 1.0.0 shims, remove in 2.0.0 Wallet.prototype.getReceiveAddress = Wallet.prototype.getAddress Wallet.prototype.createTx = Wallet.prototype.createTransaction module.exports = Wallet }).call(this,require("buffer").Buffer) },{"./address":33,"./bufferutils":36,"./hdnode":42,"./networks":45,"./script":47,"./transaction_builder":50,"assert":157,"buffer":172,"randombytes":31,"typeforce":32}],52:[function(require,module,exports){ arguments[4][14][0].apply(exports,arguments) },{"dup":14}],53:[function(require,module,exports){ // Copyright 2010-2012 Mikeal Rogers // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. 'use strict' var extend = require('util')._extend , cookies = require('./lib/cookies') , helpers = require('./lib/helpers') var isFunction = helpers.isFunction , paramsHaveRequestBody = helpers.paramsHaveRequestBody // organize params for patch, post, put, head, del function initParams(uri, options, callback) { if (typeof options === 'function') { callback = options } var params = {} if (typeof options === 'object') { params = extend({}, options) params = extend(params, {uri: uri}) } else if (typeof uri === 'string') { params = extend({}, {uri: uri}) } else { params = extend({}, uri) } params.callback = callback return params } function request (uri, options, callback) { if (typeof uri === 'undefined') { throw new Error('undefined is not a valid uri or options object.') } var params = initParams(uri, options, callback) if (params.method === 'HEAD' && paramsHaveRequestBody(params)) { throw new Error('HTTP HEAD requests MUST NOT include a request body.') } return new request.Request(params) } var verbs = ['get', 'head', 'post', 'put', 'patch', 'del'] verbs.forEach(function(verb) { var method = verb === 'del' ? 'DELETE' : verb.toUpperCase() request[verb] = function (uri, options, callback) { var params = initParams(uri, options, callback) params.method = method return request(params, params.callback) } }) request.jar = function (store) { return cookies.jar(store) } request.cookie = function (str) { return cookies.parse(str) } function wrapRequestMethod (method, options, requester) { return function (uri, opts, callback) { var params = initParams(uri, opts, callback) var headerlessOptions = extend({}, options) delete headerlessOptions.headers params = extend(headerlessOptions, params) if (options.headers) { var headers = extend({}, options.headers) params.headers = extend(headers, params.headers) } if (typeof method === 'string') { params.method = (method === 'del' ? 'DELETE' : method.toUpperCase()) method = request[method] } if (isFunction(requester)) { method = requester } return method(params, params.callback) } } request.defaults = function (options, requester) { var self = this if (typeof options === 'function') { requester = options options = {} } var defaults = wrapRequestMethod(self, options, requester) var verbs = ['get', 'head', 'post', 'put', 'patch', 'del'] verbs.forEach(function(verb) { defaults[verb] = wrapRequestMethod(verb, options, requester) }) defaults.cookie = wrapRequestMethod(self.cookie, options, requester) defaults.jar = self.jar defaults.defaults = self.defaults return defaults } request.forever = function (agentOptions, optionsArg) { var options = {} if (optionsArg) { options = extend({}, optionsArg) } if (agentOptions) { options.agentOptions = agentOptions } options.forever = true return request.defaults(options) } // Exports module.exports = request request.Request = require('./request') request.initParams = initParams // Backwards compatibility for request.debug Object.defineProperty(request, 'debug', { enumerable : true, get : function() { return request.Request.debug }, set : function(debug) { request.Request.debug = debug } }) },{"./lib/cookies":55,"./lib/helpers":59,"./request":138,"util":343}],54:[function(require,module,exports){ 'use strict' var caseless = require('caseless') , uuid = require('node-uuid') , helpers = require('./helpers') var md5 = helpers.md5 , toBase64 = helpers.toBase64 function Auth (request) { // define all public properties here this.request = request this.hasAuth = false this.sentAuth = false this.bearerToken = null this.user = null this.pass = null } Auth.prototype.basic = function (user, pass, sendImmediately) { var self = this if (typeof user !== 'string' || (pass !== undefined && typeof pass !== 'string')) { throw new Error('auth() received invalid user or password') } self.user = user self.pass = pass self.hasAuth = true var header = user + ':' + (pass || '') if (sendImmediately || typeof sendImmediately === 'undefined') { var authHeader = 'Basic ' + toBase64(header) self.sentAuth = true return authHeader } } Auth.prototype.bearer = function (bearer, sendImmediately) { var self = this self.bearerToken = bearer self.hasAuth = true if (sendImmediately || typeof sendImmediately === 'undefined') { if (typeof bearer === 'function') { bearer = bearer() } var authHeader = 'Bearer ' + (bearer || '') self.sentAuth = true return authHeader } } Auth.prototype.digest = function (method, path, authHeader) { // TODO: More complete implementation of RFC 2617. // - check challenge.algorithm // - support algorithm="MD5-sess" // - handle challenge.domain // - support qop="auth-int" only // - handle Authentication-Info (not necessarily?) // - check challenge.stale (not necessarily?) // - increase nc (not necessarily?) // For reference: // http://tools.ietf.org/html/rfc2617#section-3 // https://github.com/bagder/curl/blob/master/lib/http_digest.c var self = this var challenge = {} var re = /([a-z0-9_-]+)=(?:"([^"]+)"|([a-z0-9_-]+))/gi for (;;) { var match = re.exec(authHeader) if (!match) { break } challenge[match[1]] = match[2] || match[3] } var ha1 = md5(self.user + ':' + challenge.realm + ':' + self.pass) var ha2 = md5(method + ':' + path) var qop = /(^|,)\s*auth\s*($|,)/.test(challenge.qop) && 'auth' var nc = qop && '00000001' var cnonce = qop && uuid().replace(/-/g, '') var digestResponse = qop ? md5(ha1 + ':' + challenge.nonce + ':' + nc + ':' + cnonce + ':' + qop + ':' + ha2) : md5(ha1 + ':' + challenge.nonce + ':' + ha2) var authValues = { username: self.user, realm: challenge.realm, nonce: challenge.nonce, uri: path, qop: qop, response: digestResponse, nc: nc, cnonce: cnonce, algorithm: challenge.algorithm, opaque: challenge.opaque } authHeader = [] for (var k in authValues) { if (authValues[k]) { if (k === 'qop' || k === 'nc' || k === 'algorithm') { authHeader.push(k + '=' + authValues[k]) } else { authHeader.push(k + '="' + authValues[k] + '"') } } } authHeader = 'Digest ' + authHeader.join(', ') self.sentAuth = true return authHeader } Auth.prototype.onRequest = function (user, pass, sendImmediately, bearer) { var self = this , request = self.request var authHeader if (bearer === undefined && user === undefined) { throw new Error('no auth mechanism defined') } else if (bearer !== undefined) { authHeader = self.bearer(bearer, sendImmediately) } else { authHeader = self.basic(user, pass, sendImmediately) } if (authHeader) { request.setHeader('authorization', authHeader) } } Auth.prototype.onResponse = function (response) { var self = this , request = self.request if (!self.hasAuth || self.sentAuth) { return null } var c = caseless(response.headers) var authHeader = c.get('www-authenticate') var authVerb = authHeader && authHeader.split(' ')[0].toLowerCase() // debug('reauth', authVerb) switch (authVerb) { case 'basic': return self.basic(self.user, self.pass, true) case 'bearer': return self.bearer(self.bearerToken, true) case 'digest': return self.digest(request.method, request.path, authHeader) } } exports.Auth = Auth },{"./helpers":59,"caseless":73,"node-uuid":125}],55:[function(require,module,exports){ 'use strict' var tough = require('tough-cookie') var Cookie = tough.Cookie , CookieJar = tough.CookieJar exports.parse = function(str) { if (str && str.uri) { str = str.uri } if (typeof str !== 'string') { throw new Error('The cookie function only accepts STRING as param') } return Cookie.parse(str) } // Adapt the sometimes-Async api of tough.CookieJar to our requirements function RequestJar(store) { var self = this self._jar = new CookieJar(store) } RequestJar.prototype.setCookie = function(cookieOrStr, uri, options) { var self = this return self._jar.setCookieSync(cookieOrStr, uri, options || {}) } RequestJar.prototype.getCookieString = function(uri) { var self = this return self._jar.getCookieStringSync(uri) } RequestJar.prototype.getCookies = function(uri) { var self = this return self._jar.getCookiesSync(uri) } exports.jar = function(store) { return new RequestJar(store) } },{"tough-cookie":133}],56:[function(require,module,exports){ 'use strict' module.exports = function copy (obj) { var o = {} Object.keys(obj).forEach(function (i) { o[i] = obj[i] }) return o } },{}],57:[function(require,module,exports){ (function (process){ 'use strict' function formatHostname(hostname) { // canonicalize the hostname, so that 'oogle.com' won't match 'google.com' return hostname.replace(/^\.*/, '.').toLowerCase() } function parseNoProxyZone(zone) { zone = zone.trim().toLowerCase() var zoneParts = zone.split(':', 2) , zoneHost = formatHostname(zoneParts[0]) , zonePort = zoneParts[1] , hasPort = zone.indexOf(':') > -1 return {hostname: zoneHost, port: zonePort, hasPort: hasPort} } function uriInNoProxy(uri, noProxy) { var port = uri.port || (uri.protocol === 'https:' ? '443' : '80') , hostname = formatHostname(uri.hostname) , noProxyList = noProxy.split(',') // iterate through the noProxyList until it finds a match. return noProxyList.map(parseNoProxyZone).some(function(noProxyZone) { var isMatchedAt = hostname.indexOf(noProxyZone.hostname) , hostnameMatched = ( isMatchedAt > -1 && (isMatchedAt === hostname.length - noProxyZone.hostname.length) ) if (noProxyZone.hasPort) { return (port === noProxyZone.port) && hostnameMatched } return hostnameMatched }) } function getProxyFromURI(uri) { // Decide the proper request proxy to use based on the request URI object and the // environmental variables (NO_PROXY, HTTP_PROXY, etc.) // respect NO_PROXY environment variables (see: http://lynx.isc.org/current/breakout/lynx_help/keystrokes/environments.html) var noProxy = process.env.NO_PROXY || process.env.no_proxy || '' // if the noProxy is a wildcard then return null if (noProxy === '*') { return null } // if the noProxy is not empty and the uri is found return null if (noProxy !== '' && uriInNoProxy(uri, noProxy)) { return null } // Check for HTTP or HTTPS Proxy in environment Else default to null if (uri.protocol === 'http:') { return process.env.HTTP_PROXY || process.env.http_proxy || null } if (uri.protocol === 'https:') { return process.env.HTTPS_PROXY || process.env.https_proxy || process.env.HTTP_PROXY || process.env.http_proxy || null } // if none of that works, return null // (What uri protocol are you using then?) return null } module.exports = getProxyFromURI }).call(this,require('_process')) },{"_process":323}],58:[function(require,module,exports){ 'use strict' var fs = require('fs') var qs = require('querystring') var validate = require('har-validator') var util = require('util') function Har (request) { this.request = request } Har.prototype.reducer = function (obj, pair) { // new property ? if (obj[pair.name] === undefined) { obj[pair.name] = pair.value return obj } // existing? convert to array var arr = [ obj[pair.name], pair.value ] obj[pair.name] = arr return obj } Har.prototype.prep = function (data) { // construct utility properties data.queryObj = {} data.headersObj = {} data.postData.jsonObj = false data.postData.paramsObj = false // construct query objects if (data.queryString && data.queryString.length) { data.queryObj = data.queryString.reduce(this.reducer, {}) } // construct headers objects if (data.headers && data.headers.length) { // loweCase header keys data.headersObj = data.headers.reduceRight(function (headers, header) { headers[header.name] = header.value return headers }, {}) } // construct Cookie header if (data.cookies && data.cookies.length) { var cookies = data.cookies.map(function (cookie) { return cookie.name + '=' + cookie.value }) if (cookies.length) { data.headersObj.cookie = cookies.join('; ') } } // prep body switch (data.postData.mimeType) { case 'multipart/mixed': case 'multipart/related': case 'multipart/form-data': case 'multipart/alternative': // reset values data.postData.mimeType = 'multipart/form-data' break case 'application/x-www-form-urlencoded': if (!data.postData.params) { data.postData.text = '' } else { data.postData.paramsObj = data.postData.params.reduce(this.reducer, {}) // always overwrite data.postData.text = qs.stringify(data.postData.paramsObj) } break case 'text/json': case 'text/x-json': case 'application/json': case 'application/x-json': data.postData.mimeType = 'application/json' if (data.postData.text) { try { data.postData.jsonObj = JSON.parse(data.postData.text) } catch (e) { this.request.debug(e) // force back to text/plain data.postData.mimeType = 'text/plain' } } break } return data } Har.prototype.options = function (options) { // skip if no har property defined if (!options.har) { return options } var har = util._extend({}, options.har) // only process the first entry if (har.log && har.log.entries) { har = har.log.entries[0] } // add optional properties to make validation successful har.url = har.url || options.url || options.uri || options.baseUrl || '/' har.httpVersion = har.httpVersion || 'HTTP/1.1' har.queryString = har.queryString || [] har.headers = har.headers || [] har.cookies = har.cookies || [] har.postData = har.postData || {} har.postData.mimeType = har.postData.mimeType || 'application/octet-stream' har.bodySize = 0 har.headersSize = 0 har.postData.size = 0 if (!validate.request(har)) { return options } // clean up and get some utility properties var req = this.prep(har) // construct new options if (req.url) { options.url = req.url } if (req.method) { options.method = req.method } if (Object.keys(req.queryObj).length) { options.qs = req.queryObj } if (Object.keys(req.headersObj).length) { options.headers = req.headersObj } switch (req.postData.mimeType) { case 'application/x-www-form-urlencoded': options.form = req.postData.paramsObj break case 'application/json': if (req.postData.jsonObj) { options.body = req.postData.jsonObj options.json = true } break case 'multipart/form-data': options.formData = {} req.postData.params.forEach(function (param) { var attachment = {} if (!param.fileName && !param.fileName && !param.contentType) { options.formData[param.name] = param.value return } // attempt to read from disk! if (param.fileName && !param.value) { attachment.value = fs.createReadStream(param.fileName) } else if (param.value) { attachment.value = param.value } if (param.fileName) { attachment.options = { filename: param.fileName, contentType: param.contentType ? param.contentType : null } } options.formData[param.name] = attachment }) break default: if (req.postData.text) { options.body = req.postData.text } } return options } exports.Har = Har },{"fs":156,"har-validator":87,"querystring":327,"util":343}],59:[function(require,module,exports){ (function (process,Buffer){ 'use strict' var jsonSafeStringify = require('json-stringify-safe') , crypto = require('crypto') function deferMethod() { if(typeof setImmediate === 'undefined') { return process.nextTick } return setImmediate } function isFunction(value) { return typeof value === 'function' } function paramsHaveRequestBody(params) { return ( params.body || params.requestBodyStream || (params.json && typeof params.json !== 'boolean') || params.multipart ) } function safeStringify (obj) { var ret try { ret = JSON.stringify(obj) } catch (e) { ret = jsonSafeStringify(obj) } return ret } function md5 (str) { return crypto.createHash('md5').update(str).digest('hex') } function isReadStream (rs) { return rs.readable && rs.path && rs.mode } function toBase64 (str) { return (new Buffer(str || '', 'utf8')).toString('base64') } exports.isFunction = isFunction exports.paramsHaveRequestBody = paramsHaveRequestBody exports.safeStringify = safeStringify exports.md5 = md5 exports.isReadStream = isReadStream exports.toBase64 = toBase64 exports.defer = deferMethod() }).call(this,require('_process'),require("buffer").Buffer) },{"_process":323,"buffer":172,"crypto":178,"json-stringify-safe":121}],60:[function(require,module,exports){ (function (Buffer){ 'use strict' var uuid = require('node-uuid') , CombinedStream = require('combined-stream') , isstream = require('isstream') function Multipart (request) { this.request = request this.boundary = uuid() this.chunked = false this.body = null } Multipart.prototype.isChunked = function (options) { var self = this , chunked = false , parts = options.data || options if (!parts.forEach) { throw new Error('Argument error, options.multipart.') } if (options.chunked !== undefined) { chunked = options.chunked } if (self.request.getHeader('transfer-encoding') === 'chunked') { chunked = true } if (!chunked) { parts.forEach(function (part) { if(typeof part.body === 'undefined') { throw new Error('Body attribute missing in multipart.') } if (isstream(part.body)) { chunked = true } }) } return chunked } Multipart.prototype.setHeaders = function (chunked) { var self = this if (chunked && !self.request.hasHeader('transfer-encoding')) { self.request.setHeader('transfer-encoding', 'chunked') } var header = self.request.getHeader('content-type') if (!header || header.indexOf('multipart') === -1) { self.request.setHeader('content-type', 'multipart/related; boundary=' + self.boundary) } else { if (header.indexOf('boundary') !== -1) { self.boundary = header.replace(/.*boundary=([^\s;]+).*/, '$1') } else { self.request.setHeader('content-type', header + '; boundary=' + self.boundary) } } } Multipart.prototype.build = function (parts, chunked) { var self = this var body = chunked ? new CombinedStream() : [] function add (part) { return chunked ? body.append(part) : body.push(new Buffer(part)) } if (self.request.preambleCRLF) { add('\r\n') } parts.forEach(function (part) { var preamble = '--' + self.boundary + '\r\n' Object.keys(part).forEach(function (key) { if (key === 'body') { return } preamble += key + ': ' + part[key] + '\r\n' }) preamble += '\r\n' add(preamble) add(part.body) add('\r\n') }) add('--' + self.boundary + '--') if (self.request.postambleCRLF) { add('\r\n') } return body } Multipart.prototype.onRequest = function (options) { var self = this var chunked = self.isChunked(options) , parts = options.data || options self.setHeaders(chunked) self.chunked = chunked self.body = self.build(parts, chunked) } exports.Multipart = Multipart }).call(this,require("buffer").Buffer) },{"buffer":172,"combined-stream":74,"isstream":120,"node-uuid":125}],61:[function(require,module,exports){ 'use strict' var qs = require('qs') , caseless = require('caseless') , uuid = require('node-uuid') , oauth = require('oauth-sign') function OAuth (request) { this.request = request } OAuth.prototype.buildParams = function (_oauth, uri, method, query, form, qsLib) { var oa = {} for (var i in _oauth) { oa['oauth_' + i] = _oauth[i] } if (!oa.oauth_version) { oa.oauth_version = '1.0' } if (!oa.oauth_timestamp) { oa.oauth_timestamp = Math.floor( Date.now() / 1000 ).toString() } if (!oa.oauth_nonce) { oa.oauth_nonce = uuid().replace(/-/g, '') } if (!oa.oauth_signature_method) { oa.oauth_signature_method = 'HMAC-SHA1' } var consumer_secret_or_private_key = oa.oauth_consumer_secret || oa.oauth_private_key delete oa.oauth_consumer_secret delete oa.oauth_private_key var token_secret = oa.oauth_token_secret delete oa.oauth_token_secret var realm = oa.oauth_realm delete oa.oauth_realm delete oa.oauth_transport_method var baseurl = uri.protocol + '//' + uri.host + uri.pathname var params = qsLib.parse([].concat(query, form, qsLib.stringify(oa)).join('&')) oa.oauth_signature = oauth.sign( oa.oauth_signature_method, method, baseurl, params, consumer_secret_or_private_key, token_secret) if (realm) { oa.realm = realm } return oa } OAuth.prototype.concatParams = function (oa, sep, wrap) { wrap = wrap || '' var params = Object.keys(oa).filter(function (i) { return i !== 'realm' && i !== 'oauth_signature' }).sort() if (oa.realm) { params.splice(0, 1, 'realm') } params.push('oauth_signature') return params.map(function (i) { return i + '=' + wrap + oauth.rfc3986(oa[i]) + wrap }).join(sep) } OAuth.prototype.onRequest = function (_oauth) { var self = this , request = self.request var uri = request.uri || {} , method = request.method || '' , headers = caseless(request.headers) , body = request.body || '' , qsLib = request.qsLib || qs var form , query , contentType = headers.get('content-type') || '' , formContentType = 'application/x-www-form-urlencoded' , transport = _oauth.transport_method || 'header' if (contentType.slice(0, formContentType.length) === formContentType) { contentType = formContentType form = body } if (uri.query) { query = uri.query } if (transport === 'body' && (method !== 'POST' || contentType !== formContentType)) { throw new Error('oauth: transport_method of \'body\' requires \'POST\' ' + 'and content-type \'' + formContentType + '\'') } var oa = this.buildParams(_oauth, uri, method, query, form, qsLib) switch (transport) { case 'header': request.setHeader('Authorization', 'OAuth ' + this.concatParams(oa, ',', '"')) break case 'query': request.path = (query ? '&' : '?') + this.concatParams(oa, '&') break case 'body': request.body = (form ? form + '&' : '') + this.concatParams(oa, '&') break default: throw new Error('oauth: transport_method invalid') } } exports.OAuth = OAuth },{"caseless":73,"node-uuid":125,"oauth-sign":126,"qs":127}],62:[function(require,module,exports){ 'use strict' var url = require('url') var isUrl = /^https?:/ function Redirect (request) { this.request = request this.followRedirect = true this.followRedirects = true this.followAllRedirects = false this.allowRedirect = function () {return true} this.maxRedirects = 10 this.redirects = [] this.redirectsFollowed = 0 this.removeRefererHeader = false } Redirect.prototype.onRequest = function () { var self = this , request = self.request if (request.maxRedirects !== undefined) { self.maxRedirects = request.maxRedirects } if (typeof request.followRedirect === 'function') { self.allowRedirect = request.followRedirect } if (request.followRedirect !== undefined) { self.followRedirects = !!request.followRedirect } if (request.followAllRedirects !== undefined) { self.followAllRedirects = request.followAllRedirects } if (self.followRedirects || self.followAllRedirects) { self.redirects = self.redirects || [] } if (request.removeRefererHeader !== undefined) { self.removeRefererHeader = request.removeRefererHeader } } Redirect.prototype.redirectTo = function (response) { var self = this , request = self.request var redirectTo = null if (response.statusCode >= 300 && response.statusCode < 400 && response.caseless.has('location')) { var location = response.caseless.get('location') // debug('redirect', location) if (self.followAllRedirects) { redirectTo = location } else if (self.followRedirects) { switch (request.method) { case 'PATCH': case 'PUT': case 'POST': case 'DELETE': // Do not follow redirects break default: redirectTo = location break } } } else if (response.statusCode === 401) { var authHeader = request._auth.onResponse(response) if (authHeader) { request.setHeader('authorization', authHeader) redirectTo = request.uri } } return redirectTo } Redirect.prototype.onResponse = function (response) { var self = this , request = self.request var redirectTo = self.redirectTo(response) if (!redirectTo || !self.allowRedirect.call(request, response)) { return false } // debug('redirect to', redirectTo) // ignore any potential response body. it cannot possibly be useful // to us at this point. if (request._paused) { response.resume() } if (self.redirectsFollowed >= self.maxRedirects) { request.emit('error', new Error('Exceeded maxRedirects. Probably stuck in a redirect loop ' + request.uri.href)) return false } self.redirectsFollowed += 1 if (!isUrl.test(redirectTo)) { redirectTo = url.resolve(request.uri.href, redirectTo) } var uriPrev = request.uri request.uri = url.parse(redirectTo) // handle the case where we change protocol from https to http or vice versa if (request.uri.protocol !== uriPrev.protocol) { request._updateProtocol() } self.redirects.push( { statusCode : response.statusCode , redirectUri: redirectTo } ) if (self.followAllRedirects && response.statusCode !== 401 && response.statusCode !== 307) { request.method = 'GET' } // request.method = 'GET' // Force all redirects to use GET || commented out fixes #215 delete request.src delete request.req delete request.agent delete request._started if (response.statusCode !== 401 && response.statusCode !== 307) { // Remove parameters from the previous response, unless this is the second request // for a server that requires digest authentication. delete request.body delete request._form if (request.headers) { request.removeHeader('host') request.removeHeader('content-type') request.removeHeader('content-length') if (request.uri.hostname !== request.originalHost.split(':')[0]) { // Remove authorization if changing hostnames (but not if just // changing ports or protocols). This matches the behavior of curl: // https://github.com/bagder/curl/blob/6beb0eee/lib/http.c#L710 request.removeHeader('authorization') } } } if (!self.removeRefererHeader) { request.setHeader('referer', request.uri.href) } request.emit('redirect') request.init() return true } exports.Redirect = Redirect },{"url":341}],63:[function(require,module,exports){ /*! * knox - auth * Copyright(c) 2010 LearnBoost * MIT Licensed */ /** * Module dependencies. */ var crypto = require('crypto') , parse = require('url').parse ; /** * Valid keys. */ var keys = [ 'acl' , 'location' , 'logging' , 'notification' , 'partNumber' , 'policy' , 'requestPayment' , 'torrent' , 'uploadId' , 'uploads' , 'versionId' , 'versioning' , 'versions' , 'website' ] /** * Return an "Authorization" header value with the given `options` * in the form of "AWS :" * * @param {Object} options * @return {String} * @api private */ function authorization (options) { return 'AWS ' + options.key + ':' + sign(options) } module.exports = authorization module.exports.authorization = authorization /** * Simple HMAC-SHA1 Wrapper * * @param {Object} options * @return {String} * @api private */ function hmacSha1 (options) { return crypto.createHmac('sha1', options.secret).update(options.message).digest('base64') } module.exports.hmacSha1 = hmacSha1 /** * Create a base64 sha1 HMAC for `options`. * * @param {Object} options * @return {String} * @api private */ function sign (options) { options.message = stringToSign(options) return hmacSha1(options) } module.exports.sign = sign /** * Create a base64 sha1 HMAC for `options`. * * Specifically to be used with S3 presigned URLs * * @param {Object} options * @return {String} * @api private */ function signQuery (options) { options.message = queryStringToSign(options) return hmacSha1(options) } module.exports.signQuery= signQuery /** * Return a string for sign() with the given `options`. * * Spec: * * \n * \n * \n * \n * [headers\n] * * * @param {Object} options * @return {String} * @api private */ function stringToSign (options) { var headers = options.amazonHeaders || '' if (headers) headers += '\n' var r = [ options.verb , options.md5 , options.contentType , options.date ? options.date.toUTCString() : '' , headers + options.resource ] return r.join('\n') } module.exports.queryStringToSign = stringToSign /** * Return a string for sign() with the given `options`, but is meant exclusively * for S3 presigned URLs * * Spec: * * \n * * * @param {Object} options * @return {String} * @api private */ function queryStringToSign (options){ return 'GET\n\n\n' + options.date + '\n' + options.resource } module.exports.queryStringToSign = queryStringToSign /** * Perform the following: * * - ignore non-amazon headers * - lowercase fields * - sort lexicographically * - trim whitespace between ":" * - join with newline * * @param {Object} headers * @return {String} * @api private */ function canonicalizeHeaders (headers) { var buf = [] , fields = Object.keys(headers) ; for (var i = 0, len = fields.length; i < len; ++i) { var field = fields[i] , val = headers[field] , field = field.toLowerCase() ; if (0 !== field.indexOf('x-amz')) continue buf.push(field + ':' + val) } return buf.sort().join('\n') } module.exports.canonicalizeHeaders = canonicalizeHeaders /** * Perform the following: * * - ignore non sub-resources * - sort lexicographically * * @param {String} resource * @return {String} * @api private */ function canonicalizeResource (resource) { var url = parse(resource, true) , path = url.pathname , buf = [] ; Object.keys(url.query).forEach(function(key){ if (!~keys.indexOf(key)) return var val = '' == url.query[key] ? '' : '=' + encodeURIComponent(url.query[key]) buf.push(key + val) }) return path + (buf.length ? '?' + buf.sort().join('&') : '') } module.exports.canonicalizeResource = canonicalizeResource },{"crypto":178,"url":341}],64:[function(require,module,exports){ (function (Buffer){ var DuplexStream = require('readable-stream/duplex') , util = require('util') function BufferList (callback) { if (!(this instanceof BufferList)) return new BufferList(callback) this._bufs = [] this.length = 0 if (typeof callback == 'function') { this._callback = callback var piper = function (err) { if (this._callback) { this._callback(err) this._callback = null } }.bind(this) this.on('pipe', function (src) { src.on('error', piper) }) this.on('unpipe', function (src) { src.removeListener('error', piper) }) } else if (Buffer.isBuffer(callback)) this.append(callback) else if (Array.isArray(callback)) { callback.forEach(function (b) { Buffer.isBuffer(b) && this.append(b) }.bind(this)) } DuplexStream.call(this) } util.inherits(BufferList, DuplexStream) BufferList.prototype._offset = function (offset) { var tot = 0, i = 0, _t for (; i < this._bufs.length; i++) { _t = tot + this._bufs[i].length if (offset < _t) return [ i, offset - tot ] tot = _t } } BufferList.prototype.append = function (buf) { var isBuffer = Buffer.isBuffer(buf) || buf instanceof BufferList this._bufs.push(isBuffer ? buf : new Buffer(buf)) this.length += buf.length return this } BufferList.prototype._write = function (buf, encoding, callback) { this.append(buf) if (callback) callback() } BufferList.prototype._read = function (size) { if (!this.length) return this.push(null) size = Math.min(size, this.length) this.push(this.slice(0, size)) this.consume(size) } BufferList.prototype.end = function (chunk) { DuplexStream.prototype.end.call(this, chunk) if (this._callback) { this._callback(null, this.slice()) this._callback = null } } BufferList.prototype.get = function (index) { return this.slice(index, index + 1)[0] } BufferList.prototype.slice = function (start, end) { return this.copy(null, 0, start, end) } BufferList.prototype.copy = function (dst, dstStart, srcStart, srcEnd) { if (typeof srcStart != 'number' || srcStart < 0) srcStart = 0 if (typeof srcEnd != 'number' || srcEnd > this.length) srcEnd = this.length if (srcStart >= this.length) return dst || new Buffer(0) if (srcEnd <= 0) return dst || new Buffer(0) var copy = !!dst , off = this._offset(srcStart) , len = srcEnd - srcStart , bytes = len , bufoff = (copy && dstStart) || 0 , start = off[1] , l , i // copy/slice everything if (srcStart === 0 && srcEnd == this.length) { if (!copy) // slice, just return a full concat return Buffer.concat(this._bufs) // copy, need to copy individual buffers for (i = 0; i < this._bufs.length; i++) { this._bufs[i].copy(dst, bufoff) bufoff += this._bufs[i].length } return dst } // easy, cheap case where it's a subset of one of the buffers if (bytes <= this._bufs[off[0]].length - start) { return copy ? this._bufs[off[0]].copy(dst, dstStart, start, start + bytes) : this._bufs[off[0]].slice(start, start + bytes) } if (!copy) // a slice, we need something to copy in to dst = new Buffer(len) for (i = off[0]; i < this._bufs.length; i++) { l = this._bufs[i].length - start if (bytes > l) { this._bufs[i].copy(dst, bufoff, start) } else { this._bufs[i].copy(dst, bufoff, start, start + bytes) break } bufoff += l bytes -= l if (start) start = 0 } return dst } BufferList.prototype.toString = function (encoding, start, end) { return this.slice(start, end).toString(encoding) } BufferList.prototype.consume = function (bytes) { while (this._bufs.length) { if (bytes > this._bufs[0].length) { bytes -= this._bufs[0].length this.length -= this._bufs[0].length this._bufs.shift() } else { this._bufs[0] = this._bufs[0].slice(bytes) this.length -= bytes break } } return this } BufferList.prototype.duplicate = function () { var i = 0 , copy = new BufferList() for (; i < this._bufs.length; i++) copy.append(this._bufs[i]) return copy } BufferList.prototype.destroy = function () { this._bufs.length = 0; this.length = 0; this.push(null); } ;(function () { var methods = { 'readDoubleBE' : 8 , 'readDoubleLE' : 8 , 'readFloatBE' : 4 , 'readFloatLE' : 4 , 'readInt32BE' : 4 , 'readInt32LE' : 4 , 'readUInt32BE' : 4 , 'readUInt32LE' : 4 , 'readInt16BE' : 2 , 'readInt16LE' : 2 , 'readUInt16BE' : 2 , 'readUInt16LE' : 2 , 'readInt8' : 1 , 'readUInt8' : 1 } for (var m in methods) { (function (m) { BufferList.prototype[m] = function (offset) { return this.slice(offset, offset + methods[m])[m](0) } }(m)) } }()) module.exports = BufferList }).call(this,require("buffer").Buffer) },{"buffer":172,"readable-stream/duplex":65,"util":343}],65:[function(require,module,exports){ module.exports = require("./lib/_stream_duplex.js") },{"./lib/_stream_duplex.js":66}],66:[function(require,module,exports){ (function (process){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // a duplex stream is just a stream that is both readable and writable. // Since JS doesn't have multiple prototypal inheritance, this class // prototypally inherits from Readable, and then parasitically from // Writable. module.exports = Duplex; /**/ var objectKeys = Object.keys || function (obj) { var keys = []; for (var key in obj) keys.push(key); return keys; } /**/ /**/ var util = require('core-util-is'); util.inherits = require('inherits'); /**/ var Readable = require('./_stream_readable'); var Writable = require('./_stream_writable'); util.inherits(Duplex, Readable); forEach(objectKeys(Writable.prototype), function(method) { if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method]; }); function Duplex(options) { if (!(this instanceof Duplex)) return new Duplex(options); Readable.call(this, options); Writable.call(this, options); if (options && options.readable === false) this.readable = false; if (options && options.writable === false) this.writable = false; this.allowHalfOpen = true; if (options && options.allowHalfOpen === false) this.allowHalfOpen = false; this.once('end', onend); } // the no-half-open enforcer function onend() { // if we allow half-open state, or if the writable side ended, // then we're ok. if (this.allowHalfOpen || this._writableState.ended) return; // no more data can be written. // But allow more writes to happen in this tick. process.nextTick(this.end.bind(this)); } function forEach (xs, f) { for (var i = 0, l = xs.length; i < l; i++) { f(xs[i], i); } } }).call(this,require('_process')) },{"./_stream_readable":67,"./_stream_writable":68,"_process":323,"core-util-is":69,"inherits":70}],67:[function(require,module,exports){ (function (process){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. module.exports = Readable; /**/ var isArray = require('isarray'); /**/ /**/ var Buffer = require('buffer').Buffer; /**/ Readable.ReadableState = ReadableState; var EE = require('events').EventEmitter; /**/ if (!EE.listenerCount) EE.listenerCount = function(emitter, type) { return emitter.listeners(type).length; }; /**/ var Stream = require('stream'); /**/ var util = require('core-util-is'); util.inherits = require('inherits'); /**/ var StringDecoder; util.inherits(Readable, Stream); function ReadableState(options, stream) { options = options || {}; // the point at which it stops calling _read() to fill the buffer // Note: 0 is a valid value, means "don't call _read preemptively ever" var hwm = options.highWaterMark; this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024; // cast to ints. this.highWaterMark = ~~this.highWaterMark; this.buffer = []; this.length = 0; this.pipes = null; this.pipesCount = 0; this.flowing = false; this.ended = false; this.endEmitted = false; this.reading = false; // In streams that never have any data, and do push(null) right away, // the consumer can miss the 'end' event if they do some I/O before // consuming the stream. So, we don't emit('end') until some reading // happens. this.calledRead = false; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, becuase any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. this.sync = true; // whenever we return null, then we set a flag to say // that we're awaiting a 'readable' event emission. this.needReadable = false; this.emittedReadable = false; this.readableListening = false; // object stream flag. Used to make read(n) ignore n and to // make all the buffer merging and length checks go away this.objectMode = !!options.objectMode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. this.defaultEncoding = options.defaultEncoding || 'utf8'; // when piping, we only care about 'readable' events that happen // after read()ing all the bytes and not getting any pushback. this.ranOut = false; // the number of writers that are awaiting a drain event in .pipe()s this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled this.readingMore = false; this.decoder = null; this.encoding = null; if (options.encoding) { if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; this.decoder = new StringDecoder(options.encoding); this.encoding = options.encoding; } } function Readable(options) { if (!(this instanceof Readable)) return new Readable(options); this._readableState = new ReadableState(options, this); // legacy this.readable = true; Stream.call(this); } // Manually shove something into the read() buffer. // This returns true if the highWaterMark has not been hit yet, // similar to how Writable.write() returns true if you should // write() some more. Readable.prototype.push = function(chunk, encoding) { var state = this._readableState; if (typeof chunk === 'string' && !state.objectMode) { encoding = encoding || state.defaultEncoding; if (encoding !== state.encoding) { chunk = new Buffer(chunk, encoding); encoding = ''; } } return readableAddChunk(this, state, chunk, encoding, false); }; // Unshift should *always* be something directly out of read() Readable.prototype.unshift = function(chunk) { var state = this._readableState; return readableAddChunk(this, state, chunk, '', true); }; function readableAddChunk(stream, state, chunk, encoding, addToFront) { var er = chunkInvalid(state, chunk); if (er) { stream.emit('error', er); } else if (chunk === null || chunk === undefined) { state.reading = false; if (!state.ended) onEofChunk(stream, state); } else if (state.objectMode || chunk && chunk.length > 0) { if (state.ended && !addToFront) { var e = new Error('stream.push() after EOF'); stream.emit('error', e); } else if (state.endEmitted && addToFront) { var e = new Error('stream.unshift() after end event'); stream.emit('error', e); } else { if (state.decoder && !addToFront && !encoding) chunk = state.decoder.write(chunk); // update the buffer info. state.length += state.objectMode ? 1 : chunk.length; if (addToFront) { state.buffer.unshift(chunk); } else { state.reading = false; state.buffer.push(chunk); } if (state.needReadable) emitReadable(stream); maybeReadMore(stream, state); } } else if (!addToFront) { state.reading = false; } return needMoreData(state); } // if it's past the high water mark, we can push in some more. // Also, if we have no data yet, we can stand some // more bytes. This is to work around cases where hwm=0, // such as the repl. Also, if the push() triggered a // readable event, and the user called read(largeNumber) such that // needReadable was set, then we ought to push more, so that another // 'readable' event will be triggered. function needMoreData(state) { return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0); } // backwards compatibility. Readable.prototype.setEncoding = function(enc) { if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; this._readableState.decoder = new StringDecoder(enc); this._readableState.encoding = enc; }; // Don't raise the hwm > 128MB var MAX_HWM = 0x800000; function roundUpToNextPowerOf2(n) { if (n >= MAX_HWM) { n = MAX_HWM; } else { // Get the next highest power of 2 n--; for (var p = 1; p < 32; p <<= 1) n |= n >> p; n++; } return n; } function howMuchToRead(n, state) { if (state.length === 0 && state.ended) return 0; if (state.objectMode) return n === 0 ? 0 : 1; if (n === null || isNaN(n)) { // only flow one buffer at a time if (state.flowing && state.buffer.length) return state.buffer[0].length; else return state.length; } if (n <= 0) return 0; // If we're asking for more than the target buffer level, // then raise the water mark. Bump up to the next highest // power of 2, to prevent increasing it excessively in tiny // amounts. if (n > state.highWaterMark) state.highWaterMark = roundUpToNextPowerOf2(n); // don't have that much. return null, unless we've ended. if (n > state.length) { if (!state.ended) { state.needReadable = true; return 0; } else return state.length; } return n; } // you can override either this method, or the async _read(n) below. Readable.prototype.read = function(n) { var state = this._readableState; state.calledRead = true; var nOrig = n; var ret; if (typeof n !== 'number' || n > 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we // already have a bunch of data in the buffer, then just trigger // the 'readable' event and move on. if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) { emitReadable(this); return null; } n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up. if (n === 0 && state.ended) { ret = null; // In cases where the decoder did not receive enough data // to produce a full chunk, then immediately received an // EOF, state.buffer will contain [, ]. // howMuchToRead will see this and coerce the amount to // read to zero (because it's looking at the length of the // first in state.buffer), and we'll end up here. // // This can only happen via state.decoder -- no other venue // exists for pushing a zero-length chunk into state.buffer // and triggering this behavior. In this case, we return our // remaining data and end the stream, if appropriate. if (state.length > 0 && state.decoder) { ret = fromList(n, state); state.length -= ret.length; } if (state.length === 0) endReadable(this); return ret; } // All the actual chunk generation logic needs to be // *below* the call to _read. The reason is that in certain // synthetic stream cases, such as passthrough streams, _read // may be a completely synchronous operation which may change // the state of the read buffer, providing enough data when // before there was *not* enough. // // So, the steps are: // 1. Figure out what the state of things will be after we do // a read from the buffer. // // 2. If that resulting state will trigger a _read, then call _read. // Note that this may be asynchronous, or synchronous. Yes, it is // deeply ugly to write APIs this way, but that still doesn't mean // that the Readable class should behave improperly, as streams are // designed to be sync/async agnostic. // Take note if the _read call is sync or async (ie, if the read call // has returned yet), so that we know whether or not it's safe to emit // 'readable' etc. // // 3. Actually pull the requested chunks out of the buffer and return. // if we need a readable event, then we need to do some reading. var doRead = state.needReadable; // if we currently have less than the highWaterMark, then also read some if (state.length - n <= state.highWaterMark) doRead = true; // however, if we've ended, then there's no point, and if we're already // reading, then it's unnecessary. if (state.ended || state.reading) doRead = false; if (doRead) { state.reading = true; state.sync = true; // if the length is currently zero, then we *need* a readable event. if (state.length === 0) state.needReadable = true; // call internal read method this._read(state.highWaterMark); state.sync = false; } // If _read called its callback synchronously, then `reading` // will be false, and we need to re-evaluate how much data we // can return to the user. if (doRead && !state.reading) n = howMuchToRead(nOrig, state); if (n > 0) ret = fromList(n, state); else ret = null; if (ret === null) { state.needReadable = true; n = 0; } state.length -= n; // If we have nothing in the buffer, then we want to know // as soon as we *do* get something into the buffer. if (state.length === 0 && !state.ended) state.needReadable = true; // If we happened to read() exactly the remaining amount in the // buffer, and the EOF has been seen at this point, then make sure // that we emit 'end' on the very next tick. if (state.ended && !state.endEmitted && state.length === 0) endReadable(this); return ret; }; function chunkInvalid(state, chunk) { var er = null; if (!Buffer.isBuffer(chunk) && 'string' !== typeof chunk && chunk !== null && chunk !== undefined && !state.objectMode) { er = new TypeError('Invalid non-string/buffer chunk'); } return er; } function onEofChunk(stream, state) { if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) { state.buffer.push(chunk); state.length += state.objectMode ? 1 : chunk.length; } } state.ended = true; // if we've ended and we have some data left, then emit // 'readable' now to make sure it gets picked up. if (state.length > 0) emitReadable(stream); else endReadable(stream); } // Don't emit readable right away in sync mode, because this can trigger // another read() call => stack overflow. This way, it might trigger // a nextTick recursion warning, but that's not so bad. function emitReadable(stream) { var state = stream._readableState; state.needReadable = false; if (state.emittedReadable) return; state.emittedReadable = true; if (state.sync) process.nextTick(function() { emitReadable_(stream); }); else emitReadable_(stream); } function emitReadable_(stream) { stream.emit('readable'); } // at this point, the user has presumably seen the 'readable' event, // and called read() to consume some data. that may have triggered // in turn another _read(n) call, in which case reading = true if // it's in progress. // However, if we're not ended, or reading, and the length < hwm, // then go ahead and try to read some more preemptively. function maybeReadMore(stream, state) { if (!state.readingMore) { state.readingMore = true; process.nextTick(function() { maybeReadMore_(stream, state); }); } } function maybeReadMore_(stream, state) { var len = state.length; while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) { stream.read(0); if (len === state.length) // didn't get any data, stop spinning. break; else len = state.length; } state.readingMore = false; } // abstract method. to be overridden in specific implementation classes. // call cb(er, data) where data is <= n in length. // for virtual (non-string, non-buffer) streams, "length" is somewhat // arbitrary, and perhaps not very meaningful. Readable.prototype._read = function(n) { this.emit('error', new Error('not implemented')); }; Readable.prototype.pipe = function(dest, pipeOpts) { var src = this; var state = this._readableState; switch (state.pipesCount) { case 0: state.pipes = dest; break; case 1: state.pipes = [state.pipes, dest]; break; default: state.pipes.push(dest); break; } state.pipesCount += 1; var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr; var endFn = doEnd ? onend : cleanup; if (state.endEmitted) process.nextTick(endFn); else src.once('end', endFn); dest.on('unpipe', onunpipe); function onunpipe(readable) { if (readable !== src) return; cleanup(); } function onend() { dest.end(); } // when the dest drains, it reduces the awaitDrain counter // on the source. This would be more elegant with a .once() // handler in flow(), but adding and removing repeatedly is // too slow. var ondrain = pipeOnDrain(src); dest.on('drain', ondrain); function cleanup() { // cleanup event handlers once the pipe is broken dest.removeListener('close', onclose); dest.removeListener('finish', onfinish); dest.removeListener('drain', ondrain); dest.removeListener('error', onerror); dest.removeListener('unpipe', onunpipe); src.removeListener('end', onend); src.removeListener('end', cleanup); // if the reader is waiting for a drain event from this // specific writer, then it would cause it to never start // flowing again. // So, if this is awaiting a drain, then we just call it now. // If we don't know, then assume that we are waiting for one. if (!dest._writableState || dest._writableState.needDrain) ondrain(); } // if the dest has an error, then stop piping into it. // however, don't suppress the throwing behavior for this. function onerror(er) { unpipe(); dest.removeListener('error', onerror); if (EE.listenerCount(dest, 'error') === 0) dest.emit('error', er); } // This is a brutally ugly hack to make sure that our error handler // is attached before any userland ones. NEVER DO THIS. if (!dest._events || !dest._events.error) dest.on('error', onerror); else if (isArray(dest._events.error)) dest._events.error.unshift(onerror); else dest._events.error = [onerror, dest._events.error]; // Both close and finish should trigger unpipe, but only once. function onclose() { dest.removeListener('finish', onfinish); unpipe(); } dest.once('close', onclose); function onfinish() { dest.removeListener('close', onclose); unpipe(); } dest.once('finish', onfinish); function unpipe() { src.unpipe(dest); } // tell the dest that it's being piped to dest.emit('pipe', src); // start the flow if it hasn't been started already. if (!state.flowing) { // the handler that waits for readable events after all // the data gets sucked out in flow. // This would be easier to follow with a .once() handler // in flow(), but that is too slow. this.on('readable', pipeOnReadable); state.flowing = true; process.nextTick(function() { flow(src); }); } return dest; }; function pipeOnDrain(src) { return function() { var dest = this; var state = src._readableState; state.awaitDrain--; if (state.awaitDrain === 0) flow(src); }; } function flow(src) { var state = src._readableState; var chunk; state.awaitDrain = 0; function write(dest, i, list) { var written = dest.write(chunk); if (false === written) { state.awaitDrain++; } } while (state.pipesCount && null !== (chunk = src.read())) { if (state.pipesCount === 1) write(state.pipes, 0, null); else forEach(state.pipes, write); src.emit('data', chunk); // if anyone needs a drain, then we have to wait for that. if (state.awaitDrain > 0) return; } // if every destination was unpiped, either before entering this // function, or in the while loop, then stop flowing. // // NB: This is a pretty rare edge case. if (state.pipesCount === 0) { state.flowing = false; // if there were data event listeners added, then switch to old mode. if (EE.listenerCount(src, 'data') > 0) emitDataEvents(src); return; } // at this point, no one needed a drain, so we just ran out of data // on the next readable event, start it over again. state.ranOut = true; } function pipeOnReadable() { if (this._readableState.ranOut) { this._readableState.ranOut = false; flow(this); } } Readable.prototype.unpipe = function(dest) { var state = this._readableState; // if we're not piping anywhere, then do nothing. if (state.pipesCount === 0) return this; // just one destination. most common case. if (state.pipesCount === 1) { // passed in one, but it's not the right one. if (dest && dest !== state.pipes) return this; if (!dest) dest = state.pipes; // got a match. state.pipes = null; state.pipesCount = 0; this.removeListener('readable', pipeOnReadable); state.flowing = false; if (dest) dest.emit('unpipe', this); return this; } // slow case. multiple pipe destinations. if (!dest) { // remove all. var dests = state.pipes; var len = state.pipesCount; state.pipes = null; state.pipesCount = 0; this.removeListener('readable', pipeOnReadable); state.flowing = false; for (var i = 0; i < len; i++) dests[i].emit('unpipe', this); return this; } // try to find the right one. var i = indexOf(state.pipes, dest); if (i === -1) return this; state.pipes.splice(i, 1); state.pipesCount -= 1; if (state.pipesCount === 1) state.pipes = state.pipes[0]; dest.emit('unpipe', this); return this; }; // set up data events if they are asked for // Ensure readable listeners eventually get something Readable.prototype.on = function(ev, fn) { var res = Stream.prototype.on.call(this, ev, fn); if (ev === 'data' && !this._readableState.flowing) emitDataEvents(this); if (ev === 'readable' && this.readable) { var state = this._readableState; if (!state.readableListening) { state.readableListening = true; state.emittedReadable = false; state.needReadable = true; if (!state.reading) { this.read(0); } else if (state.length) { emitReadable(this, state); } } } return res; }; Readable.prototype.addListener = Readable.prototype.on; // pause() and resume() are remnants of the legacy readable stream API // If the user uses them, then switch into old mode. Readable.prototype.resume = function() { emitDataEvents(this); this.read(0); this.emit('resume'); }; Readable.prototype.pause = function() { emitDataEvents(this, true); this.emit('pause'); }; function emitDataEvents(stream, startPaused) { var state = stream._readableState; if (state.flowing) { // https://github.com/isaacs/readable-stream/issues/16 throw new Error('Cannot switch to old mode now.'); } var paused = startPaused || false; var readable = false; // convert to an old-style stream. stream.readable = true; stream.pipe = Stream.prototype.pipe; stream.on = stream.addListener = Stream.prototype.on; stream.on('readable', function() { readable = true; var c; while (!paused && (null !== (c = stream.read()))) stream.emit('data', c); if (c === null) { readable = false; stream._readableState.needReadable = true; } }); stream.pause = function() { paused = true; this.emit('pause'); }; stream.resume = function() { paused = false; if (readable) process.nextTick(function() { stream.emit('readable'); }); else this.read(0); this.emit('resume'); }; // now make it start, just in case it hadn't already. stream.emit('readable'); } // wrap an old-style stream as the async data source. // This is *not* part of the readable stream interface. // It is an ugly unfortunate mess of history. Readable.prototype.wrap = function(stream) { var state = this._readableState; var paused = false; var self = this; stream.on('end', function() { if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) self.push(chunk); } self.push(null); }); stream.on('data', function(chunk) { if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode //if (state.objectMode && util.isNullOrUndefined(chunk)) if (state.objectMode && (chunk === null || chunk === undefined)) return; else if (!state.objectMode && (!chunk || !chunk.length)) return; var ret = self.push(chunk); if (!ret) { paused = true; stream.pause(); } }); // proxy all the other methods. // important when wrapping filters and duplexes. for (var i in stream) { if (typeof stream[i] === 'function' && typeof this[i] === 'undefined') { this[i] = function(method) { return function() { return stream[method].apply(stream, arguments); }}(i); } } // proxy certain important events. var events = ['error', 'close', 'destroy', 'pause', 'resume']; forEach(events, function(ev) { stream.on(ev, self.emit.bind(self, ev)); }); // when we try to consume some more bytes, simply unpause the // underlying stream. self._read = function(n) { if (paused) { paused = false; stream.resume(); } }; return self; }; // exposed for testing purposes only. Readable._fromList = fromList; // Pluck off n bytes from an array of buffers. // Length is the combined lengths of all the buffers in the list. function fromList(n, state) { var list = state.buffer; var length = state.length; var stringMode = !!state.decoder; var objectMode = !!state.objectMode; var ret; // nothing in the list, definitely empty. if (list.length === 0) return null; if (length === 0) ret = null; else if (objectMode) ret = list.shift(); else if (!n || n >= length) { // read it all, truncate the array. if (stringMode) ret = list.join(''); else ret = Buffer.concat(list, length); list.length = 0; } else { // read just some of it. if (n < list[0].length) { // just take a part of the first list item. // slice is the same for buffers and strings. var buf = list[0]; ret = buf.slice(0, n); list[0] = buf.slice(n); } else if (n === list[0].length) { // first list is a perfect match ret = list.shift(); } else { // complex case. // we have enough to cover it, but it spans past the first buffer. if (stringMode) ret = ''; else ret = new Buffer(n); var c = 0; for (var i = 0, l = list.length; i < l && c < n; i++) { var buf = list[0]; var cpy = Math.min(n - c, buf.length); if (stringMode) ret += buf.slice(0, cpy); else buf.copy(ret, c, 0, cpy); if (cpy < buf.length) list[0] = buf.slice(cpy); else list.shift(); c += cpy; } } } return ret; } function endReadable(stream) { var state = stream._readableState; // If we get here before consuming all the bytes, then that is a // bug in node. Should never happen. if (state.length > 0) throw new Error('endReadable called on non-empty stream'); if (!state.endEmitted && state.calledRead) { state.ended = true; process.nextTick(function() { // Check that we didn't get one last unshift. if (!state.endEmitted && state.length === 0) { state.endEmitted = true; stream.readable = false; stream.emit('end'); } }); } } function forEach (xs, f) { for (var i = 0, l = xs.length; i < l; i++) { f(xs[i], i); } } function indexOf (xs, x) { for (var i = 0, l = xs.length; i < l; i++) { if (xs[i] === x) return i; } return -1; } }).call(this,require('_process')) },{"_process":323,"buffer":172,"core-util-is":69,"events":314,"inherits":70,"isarray":71,"stream":339,"string_decoder/":72}],68:[function(require,module,exports){ (function (process){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // A bit simpler than readable streams. // Implement an async ._write(chunk, cb), and it'll handle all // the drain event emission and buffering. module.exports = Writable; /**/ var Buffer = require('buffer').Buffer; /**/ Writable.WritableState = WritableState; /**/ var util = require('core-util-is'); util.inherits = require('inherits'); /**/ var Stream = require('stream'); util.inherits(Writable, Stream); function WriteReq(chunk, encoding, cb) { this.chunk = chunk; this.encoding = encoding; this.callback = cb; } function WritableState(options, stream) { options = options || {}; // the point at which write() starts returning false // Note: 0 is a valid value, means that we always return false if // the entire buffer is not flushed immediately on write() var hwm = options.highWaterMark; this.highWaterMark = (hwm || hwm === 0) ? hwm : 16 * 1024; // object stream flag to indicate whether or not this stream // contains buffers or objects. this.objectMode = !!options.objectMode; // cast to ints. this.highWaterMark = ~~this.highWaterMark; this.needDrain = false; // at the start of calling end() this.ending = false; // when end() has been called, and returned this.ended = false; // when 'finish' is emitted this.finished = false; // should we decode strings into buffers before passing to _write? // this is here so that some node-core streams can optimize string // handling at a lower level. var noDecode = options.decodeStrings === false; this.decodeStrings = !noDecode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement // of how much we're waiting to get pushed to some underlying // socket or file. this.length = 0; // a flag to see when we're in the middle of a write. this.writing = false; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, becuase any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. this.sync = true; // a flag to know if we're processing previously buffered items, which // may call the _write() callback in the same tick, so that we don't // end up in an overlapped onwrite situation. this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb) this.onwrite = function(er) { onwrite(stream, er); }; // the callback that the user supplies to write(chunk,encoding,cb) this.writecb = null; // the amount that is being written when _write is called. this.writelen = 0; this.buffer = []; // True if the error was already emitted and should not be thrown again this.errorEmitted = false; } function Writable(options) { var Duplex = require('./_stream_duplex'); // Writable ctor is applied to Duplexes, though they're not // instanceof Writable, they're instanceof Readable. if (!(this instanceof Writable) && !(this instanceof Duplex)) return new Writable(options); this._writableState = new WritableState(options, this); // legacy. this.writable = true; Stream.call(this); } // Otherwise people can pipe Writable streams, which is just wrong. Writable.prototype.pipe = function() { this.emit('error', new Error('Cannot pipe. Not readable.')); }; function writeAfterEnd(stream, state, cb) { var er = new Error('write after end'); // TODO: defer error events consistently everywhere, not just the cb stream.emit('error', er); process.nextTick(function() { cb(er); }); } // If we get something that is not a buffer, string, null, or undefined, // and we're not in objectMode, then that's an error. // Otherwise stream chunks are all considered to be of length=1, and the // watermarks determine how many objects to keep in the buffer, rather than // how many bytes or characters. function validChunk(stream, state, chunk, cb) { var valid = true; if (!Buffer.isBuffer(chunk) && 'string' !== typeof chunk && chunk !== null && chunk !== undefined && !state.objectMode) { var er = new TypeError('Invalid non-string/buffer chunk'); stream.emit('error', er); process.nextTick(function() { cb(er); }); valid = false; } return valid; } Writable.prototype.write = function(chunk, encoding, cb) { var state = this._writableState; var ret = false; if (typeof encoding === 'function') { cb = encoding; encoding = null; } if (Buffer.isBuffer(chunk)) encoding = 'buffer'; else if (!encoding) encoding = state.defaultEncoding; if (typeof cb !== 'function') cb = function() {}; if (state.ended) writeAfterEnd(this, state, cb); else if (validChunk(this, state, chunk, cb)) ret = writeOrBuffer(this, state, chunk, encoding, cb); return ret; }; function decodeChunk(state, chunk, encoding) { if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { chunk = new Buffer(chunk, encoding); } return chunk; } // if we're already writing something, then just put this // in the queue, and wait our turn. Otherwise, call _write // If we return false, then we need a drain event, so set that flag. function writeOrBuffer(stream, state, chunk, encoding, cb) { chunk = decodeChunk(state, chunk, encoding); if (Buffer.isBuffer(chunk)) encoding = 'buffer'; var len = state.objectMode ? 1 : chunk.length; state.length += len; var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false. if (!ret) state.needDrain = true; if (state.writing) state.buffer.push(new WriteReq(chunk, encoding, cb)); else doWrite(stream, state, len, chunk, encoding, cb); return ret; } function doWrite(stream, state, len, chunk, encoding, cb) { state.writelen = len; state.writecb = cb; state.writing = true; state.sync = true; stream._write(chunk, encoding, state.onwrite); state.sync = false; } function onwriteError(stream, state, sync, er, cb) { if (sync) process.nextTick(function() { cb(er); }); else cb(er); stream._writableState.errorEmitted = true; stream.emit('error', er); } function onwriteStateUpdate(state) { state.writing = false; state.writecb = null; state.length -= state.writelen; state.writelen = 0; } function onwrite(stream, er) { var state = stream._writableState; var sync = state.sync; var cb = state.writecb; onwriteStateUpdate(state); if (er) onwriteError(stream, state, sync, er, cb); else { // Check if we're actually ready to finish, but don't emit yet var finished = needFinish(stream, state); if (!finished && !state.bufferProcessing && state.buffer.length) clearBuffer(stream, state); if (sync) { process.nextTick(function() { afterWrite(stream, state, finished, cb); }); } else { afterWrite(stream, state, finished, cb); } } } function afterWrite(stream, state, finished, cb) { if (!finished) onwriteDrain(stream, state); cb(); if (finished) finishMaybe(stream, state); } // Must force callback to be called on nextTick, so that we don't // emit 'drain' before the write() consumer gets the 'false' return // value, and has a chance to attach a 'drain' listener. function onwriteDrain(stream, state) { if (state.length === 0 && state.needDrain) { state.needDrain = false; stream.emit('drain'); } } // if there's something in the buffer waiting, then process it function clearBuffer(stream, state) { state.bufferProcessing = true; for (var c = 0; c < state.buffer.length; c++) { var entry = state.buffer[c]; var chunk = entry.chunk; var encoding = entry.encoding; var cb = entry.callback; var len = state.objectMode ? 1 : chunk.length; doWrite(stream, state, len, chunk, encoding, cb); // if we didn't call the onwrite immediately, then // it means that we need to wait until it does. // also, that means that the chunk and cb are currently // being processed, so move the buffer counter past them. if (state.writing) { c++; break; } } state.bufferProcessing = false; if (c < state.buffer.length) state.buffer = state.buffer.slice(c); else state.buffer.length = 0; } Writable.prototype._write = function(chunk, encoding, cb) { cb(new Error('not implemented')); }; Writable.prototype.end = function(chunk, encoding, cb) { var state = this._writableState; if (typeof chunk === 'function') { cb = chunk; chunk = null; encoding = null; } else if (typeof encoding === 'function') { cb = encoding; encoding = null; } if (typeof chunk !== 'undefined' && chunk !== null) this.write(chunk, encoding); // ignore unnecessary end() calls. if (!state.ending && !state.finished) endWritable(this, state, cb); }; function needFinish(stream, state) { return (state.ending && state.length === 0 && !state.finished && !state.writing); } function finishMaybe(stream, state) { var need = needFinish(stream, state); if (need) { state.finished = true; stream.emit('finish'); } return need; } function endWritable(stream, state, cb) { state.ending = true; finishMaybe(stream, state); if (cb) { if (state.finished) process.nextTick(cb); else stream.once('finish', cb); } state.ended = true; } }).call(this,require('_process')) },{"./_stream_duplex":66,"_process":323,"buffer":172,"core-util-is":69,"inherits":70,"stream":339}],69:[function(require,module,exports){ (function (Buffer){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. // NOTE: These type checking functions intentionally don't use `instanceof` // because it is fragile and can be easily faked with `Object.create()`. function isArray(ar) { return Array.isArray(ar); } exports.isArray = isArray; function isBoolean(arg) { return typeof arg === 'boolean'; } exports.isBoolean = isBoolean; function isNull(arg) { return arg === null; } exports.isNull = isNull; function isNullOrUndefined(arg) { return arg == null; } exports.isNullOrUndefined = isNullOrUndefined; function isNumber(arg) { return typeof arg === 'number'; } exports.isNumber = isNumber; function isString(arg) { return typeof arg === 'string'; } exports.isString = isString; function isSymbol(arg) { return typeof arg === 'symbol'; } exports.isSymbol = isSymbol; function isUndefined(arg) { return arg === void 0; } exports.isUndefined = isUndefined; function isRegExp(re) { return isObject(re) && objectToString(re) === '[object RegExp]'; } exports.isRegExp = isRegExp; function isObject(arg) { return typeof arg === 'object' && arg !== null; } exports.isObject = isObject; function isDate(d) { return isObject(d) && objectToString(d) === '[object Date]'; } exports.isDate = isDate; function isError(e) { return isObject(e) && (objectToString(e) === '[object Error]' || e instanceof Error); } exports.isError = isError; function isFunction(arg) { return typeof arg === 'function'; } exports.isFunction = isFunction; function isPrimitive(arg) { return arg === null || typeof arg === 'boolean' || typeof arg === 'number' || typeof arg === 'string' || typeof arg === 'symbol' || // ES6 symbol typeof arg === 'undefined'; } exports.isPrimitive = isPrimitive; function isBuffer(arg) { return Buffer.isBuffer(arg); } exports.isBuffer = isBuffer; function objectToString(o) { return Object.prototype.toString.call(o); } }).call(this,require("buffer").Buffer) },{"buffer":172}],70:[function(require,module,exports){ arguments[4][14][0].apply(exports,arguments) },{"dup":14}],71:[function(require,module,exports){ module.exports = Array.isArray || function (arr) { return Object.prototype.toString.call(arr) == '[object Array]'; }; },{}],72:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var Buffer = require('buffer').Buffer; var isBufferEncoding = Buffer.isEncoding || function(encoding) { switch (encoding && encoding.toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true; default: return false; } } function assertEncoding(encoding) { if (encoding && !isBufferEncoding(encoding)) { throw new Error('Unknown encoding: ' + encoding); } } // StringDecoder provides an interface for efficiently splitting a series of // buffers into a series of JS strings without breaking apart multi-byte // characters. CESU-8 is handled as part of the UTF-8 encoding. // // @TODO Handling all encodings inside a single object makes it very difficult // to reason about this code, so it should be split up in the future. // @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code // points as used by CESU-8. var StringDecoder = exports.StringDecoder = function(encoding) { this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, ''); assertEncoding(encoding); switch (this.encoding) { case 'utf8': // CESU-8 represents each of Surrogate Pair by 3-bytes this.surrogateSize = 3; break; case 'ucs2': case 'utf16le': // UTF-16 represents each of Surrogate Pair by 2-bytes this.surrogateSize = 2; this.detectIncompleteChar = utf16DetectIncompleteChar; break; case 'base64': // Base-64 stores 3 bytes in 4 chars, and pads the remainder. this.surrogateSize = 3; this.detectIncompleteChar = base64DetectIncompleteChar; break; default: this.write = passThroughWrite; return; } // Enough space to store all bytes of a single character. UTF-8 needs 4 // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate). this.charBuffer = new Buffer(6); // Number of bytes received for the current incomplete multi-byte character. this.charReceived = 0; // Number of bytes expected for the current incomplete multi-byte character. this.charLength = 0; }; // write decodes the given buffer and returns it as JS string that is // guaranteed to not contain any partial multi-byte characters. Any partial // character found at the end of the buffer is buffered up, and will be // returned when calling write again with the remaining bytes. // // Note: Converting a Buffer containing an orphan surrogate to a String // currently works, but converting a String to a Buffer (via `new Buffer`, or // Buffer#write) will replace incomplete surrogates with the unicode // replacement character. See https://codereview.chromium.org/121173009/ . StringDecoder.prototype.write = function(buffer) { var charStr = ''; // if our last write ended with an incomplete multibyte character while (this.charLength) { // determine how many remaining bytes this buffer has to offer for this char var available = (buffer.length >= this.charLength - this.charReceived) ? this.charLength - this.charReceived : buffer.length; // add the new bytes to the char buffer buffer.copy(this.charBuffer, this.charReceived, 0, available); this.charReceived += available; if (this.charReceived < this.charLength) { // still not enough chars in this buffer? wait for more ... return ''; } // remove bytes belonging to the current character from the buffer buffer = buffer.slice(available, buffer.length); // get the character that was split charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding); // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character var charCode = charStr.charCodeAt(charStr.length - 1); if (charCode >= 0xD800 && charCode <= 0xDBFF) { this.charLength += this.surrogateSize; charStr = ''; continue; } this.charReceived = this.charLength = 0; // if there are no more bytes in this buffer, just emit our char if (buffer.length === 0) { return charStr; } break; } // determine and set charLength / charReceived this.detectIncompleteChar(buffer); var end = buffer.length; if (this.charLength) { // buffer the incomplete character bytes we got buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end); end -= this.charReceived; } charStr += buffer.toString(this.encoding, 0, end); var end = charStr.length - 1; var charCode = charStr.charCodeAt(end); // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character if (charCode >= 0xD800 && charCode <= 0xDBFF) { var size = this.surrogateSize; this.charLength += size; this.charReceived += size; this.charBuffer.copy(this.charBuffer, size, 0, size); buffer.copy(this.charBuffer, 0, 0, size); return charStr.substring(0, end); } // or just emit the charStr return charStr; }; // detectIncompleteChar determines if there is an incomplete UTF-8 character at // the end of the given buffer. If so, it sets this.charLength to the byte // length that character, and sets this.charReceived to the number of bytes // that are available for this character. StringDecoder.prototype.detectIncompleteChar = function(buffer) { // determine how many bytes we have to check at the end of this buffer var i = (buffer.length >= 3) ? 3 : buffer.length; // Figure out if one of the last i bytes of our buffer announces an // incomplete char. for (; i > 0; i--) { var c = buffer[buffer.length - i]; // See http://en.wikipedia.org/wiki/UTF-8#Description // 110XXXXX if (i == 1 && c >> 5 == 0x06) { this.charLength = 2; break; } // 1110XXXX if (i <= 2 && c >> 4 == 0x0E) { this.charLength = 3; break; } // 11110XXX if (i <= 3 && c >> 3 == 0x1E) { this.charLength = 4; break; } } this.charReceived = i; }; StringDecoder.prototype.end = function(buffer) { var res = ''; if (buffer && buffer.length) res = this.write(buffer); if (this.charReceived) { var cr = this.charReceived; var buf = this.charBuffer; var enc = this.encoding; res += buf.slice(0, cr).toString(enc); } return res; }; function passThroughWrite(buffer) { return buffer.toString(this.encoding); } function utf16DetectIncompleteChar(buffer) { this.charReceived = buffer.length % 2; this.charLength = this.charReceived ? 2 : 0; } function base64DetectIncompleteChar(buffer) { this.charReceived = buffer.length % 3; this.charLength = this.charReceived ? 3 : 0; } },{"buffer":172}],73:[function(require,module,exports){ function Caseless (dict) { this.dict = dict || {} } Caseless.prototype.set = function (name, value, clobber) { if (typeof name === 'object') { for (var i in name) { this.set(i, name[i], value) } } else { if (typeof clobber === 'undefined') clobber = true var has = this.has(name) if (!clobber && has) this.dict[has] = this.dict[has] + ',' + value else this.dict[has || name] = value return has } } Caseless.prototype.has = function (name) { var keys = Object.keys(this.dict) , name = name.toLowerCase() ; for (var i=0;i 0 && !req.useChunkedEncodingByDefault) { var idleSocket = this.freeSockets[name].pop() idleSocket.removeListener('error', idleSocket._onIdleError) delete idleSocket._onIdleError req._reusedSocket = true req.onSocket(idleSocket) } else { this.addRequestNoreuse(req, host, port) } } ForeverAgent.prototype.removeSocket = function(s, name, host, port) { if (this.sockets[name]) { var index = this.sockets[name].indexOf(s) if (index !== -1) { this.sockets[name].splice(index, 1) } } else if (this.sockets[name] && this.sockets[name].length === 0) { // don't leak delete this.sockets[name] delete this.requests[name] } if (this.freeSockets[name]) { var index = this.freeSockets[name].indexOf(s) if (index !== -1) { this.freeSockets[name].splice(index, 1) if (this.freeSockets[name].length === 0) { delete this.freeSockets[name] } } } if (this.requests[name] && this.requests[name].length) { // If we have pending requests and a socket gets closed a new one // needs to be created to take over in the pool for the one that closed. this.createSocket(name, host, port).emit('free') } } function ForeverAgentSSL (options) { ForeverAgent.call(this, options) } util.inherits(ForeverAgentSSL, ForeverAgent) ForeverAgentSSL.prototype.createConnection = createConnectionSSL ForeverAgentSSL.prototype.addRequestNoreuse = AgentSSL.prototype.addRequest function createConnectionSSL (port, host, options) { if (typeof port === 'object') { options = port; } else if (typeof host === 'object') { options = host; } else if (typeof options === 'object') { options = options; } else { options = {}; } if (typeof port === 'number') { options.port = port; } if (typeof host === 'string') { options.host = host; } return tls.connect(options); } },{"http":315,"https":319,"net":156,"tls":156,"util":343}],77:[function(require,module,exports){ (function (process,Buffer){ var CombinedStream = require('combined-stream'); var util = require('util'); var path = require('path'); var http = require('http'); var https = require('https'); var parseUrl = require('url').parse; var fs = require('fs'); var mime = require('mime-types'); var async = require('async'); module.exports = FormData; function FormData() { this._overheadLength = 0; this._valueLength = 0; this._lengthRetrievers = []; CombinedStream.call(this); } util.inherits(FormData, CombinedStream); FormData.LINE_BREAK = '\r\n'; FormData.prototype.append = function(field, value, options) { options = options || {}; var append = CombinedStream.prototype.append.bind(this); // all that streamy business can't handle numbers if (typeof value == 'number') value = ''+value; // https://github.com/felixge/node-form-data/issues/38 if (util.isArray(value)) { // Please convert your array into string // the way web server expects it this._error(new Error('Arrays are not supported.')); return; } var header = this._multiPartHeader(field, value, options); var footer = this._multiPartFooter(field, value, options); append(header); append(value); append(footer); // pass along options.knownLength this._trackLength(header, value, options); }; FormData.prototype._trackLength = function(header, value, options) { var valueLength = 0; // used w/ getLengthSync(), when length is known. // e.g. for streaming directly from a remote server, // w/ a known file a size, and not wanting to wait for // incoming file to finish to get its size. if (options.knownLength != null) { valueLength += +options.knownLength; } else if (Buffer.isBuffer(value)) { valueLength = value.length; } else if (typeof value === 'string') { valueLength = Buffer.byteLength(value); } this._valueLength += valueLength; // @check why add CRLF? does this account for custom/multiple CRLFs? this._overheadLength += Buffer.byteLength(header) + + FormData.LINE_BREAK.length; // empty or either doesn't have path or not an http response if (!value || ( !value.path && !(value.readable && value.hasOwnProperty('httpVersion')) )) { return; } // no need to bother with the length if (!options.knownLength) this._lengthRetrievers.push(function(next) { if (value.hasOwnProperty('fd')) { // take read range into a account // `end` = Infinity –> read file till the end // // TODO: Looks like there is bug in Node fs.createReadStream // it doesn't respect `end` options without `start` options // Fix it when node fixes it. // https://github.com/joyent/node/issues/7819 if (value.end != undefined && value.end != Infinity && value.start != undefined) { // when end specified // no need to calculate range // inclusive, starts with 0 next(null, value.end+1 - (value.start ? value.start : 0)); // not that fast snoopy } else { // still need to fetch file size from fs fs.stat(value.path, function(err, stat) { var fileSize; if (err) { next(err); return; } // update final size based on the range options fileSize = stat.size - (value.start ? value.start : 0); next(null, fileSize); }); } // or http response } else if (value.hasOwnProperty('httpVersion')) { next(null, +value.headers['content-length']); // or request stream http://github.com/mikeal/request } else if (value.hasOwnProperty('httpModule')) { // wait till response come back value.on('response', function(response) { value.pause(); next(null, +response.headers['content-length']); }); value.resume(); // something else } else { next('Unknown stream'); } }); }; FormData.prototype._multiPartHeader = function(field, value, options) { var boundary = this.getBoundary(); var header = ''; // custom header specified (as string)? // it becomes responsible for boundary // (e.g. to handle extra CRLFs on .NET servers) if (options.header != null) { header = options.header; } else { header += '--' + boundary + FormData.LINE_BREAK + 'Content-Disposition: form-data; name="' + field + '"'; // fs- and request- streams have path property // or use custom filename and/or contentType // TODO: Use request's response mime-type if (options.filename || value.path) { header += '; filename="' + path.basename(options.filename || value.path) + '"' + FormData.LINE_BREAK + 'Content-Type: ' + (options.contentType || mime.lookup(options.filename || value.path)); // http response has not } else if (value.readable && value.hasOwnProperty('httpVersion')) { header += '; filename="' + path.basename(value.client._httpMessage.path) + '"' + FormData.LINE_BREAK + 'Content-Type: ' + value.headers['content-type']; } header += FormData.LINE_BREAK + FormData.LINE_BREAK; } return header; }; FormData.prototype._multiPartFooter = function(field, value, options) { return function(next) { var footer = FormData.LINE_BREAK; var lastPart = (this._streams.length === 0); if (lastPart) { footer += this._lastBoundary(); } next(footer); }.bind(this); }; FormData.prototype._lastBoundary = function() { return '--' + this.getBoundary() + '--'; }; FormData.prototype.getHeaders = function(userHeaders) { var formHeaders = { 'content-type': 'multipart/form-data; boundary=' + this.getBoundary() }; for (var header in userHeaders) { formHeaders[header.toLowerCase()] = userHeaders[header]; } return formHeaders; } FormData.prototype.getCustomHeaders = function(contentType) { contentType = contentType ? contentType : 'multipart/form-data'; var formHeaders = { 'content-type': contentType + '; boundary=' + this.getBoundary(), 'content-length': this.getLengthSync() }; return formHeaders; } FormData.prototype.getBoundary = function() { if (!this._boundary) { this._generateBoundary(); } return this._boundary; }; FormData.prototype._generateBoundary = function() { // This generates a 50 character boundary similar to those used by Firefox. // They are optimized for boyer-moore parsing. var boundary = '--------------------------'; for (var i = 0; i < 24; i++) { boundary += Math.floor(Math.random() * 10).toString(16); } this._boundary = boundary; }; // Note: getLengthSync DOESN'T calculate streams length // As workaround one can calculate file size manually // and add it as knownLength option FormData.prototype.getLengthSync = function(debug) { var knownLength = this._overheadLength + this._valueLength; // Don't get confused, there are 3 "internal" streams for each keyval pair // so it basically checks if there is any value added to the form if (this._streams.length) { knownLength += this._lastBoundary().length; } // https://github.com/felixge/node-form-data/issues/40 if (this._lengthRetrievers.length) { // Some async length retrivers are present // therefore synchronous length calculation is false. // Please use getLength(callback) to get proper length this._error(new Error('Cannot calculate proper length in synchronous way.')); } return knownLength; }; FormData.prototype.getLength = function(cb) { var knownLength = this._overheadLength + this._valueLength; if (this._streams.length) { knownLength += this._lastBoundary().length; } if (!this._lengthRetrievers.length) { process.nextTick(cb.bind(this, null, knownLength)); return; } async.parallel(this._lengthRetrievers, function(err, values) { if (err) { cb(err); return; } values.forEach(function(length) { knownLength += length; }); cb(null, knownLength); }); }; FormData.prototype.submit = function(params, cb) { var request , options , defaults = { method : 'post' }; // parse provided url if it's string // or treat it as options object if (typeof params == 'string') { params = parseUrl(params); options = populate({ port: params.port, path: params.pathname, host: params.hostname }, defaults); } else // use custom params { options = populate(params, defaults); // if no port provided use default one if (!options.port) { options.port = options.protocol == 'https:' ? 443 : 80; } } // put that good code in getHeaders to some use options.headers = this.getHeaders(params.headers); // https if specified, fallback to http in any other case if (params.protocol == 'https:') { request = https.request(options); } else { request = http.request(options); } // get content length and fire away this.getLength(function(err, length) { // TODO: Add chunked encoding when no length (if err) // add content length request.setHeader('Content-Length', length); this.pipe(request); if (cb) { request.on('error', cb); request.on('response', cb.bind(this, null)); } }.bind(this)); return request; }; FormData.prototype._error = function(err) { if (this.error) return; this.error = err; this.pause(); this.emit('error', err); }; /* * Santa's little helpers */ // populates missing values function populate(dst, src) { for (var prop in src) { if (!dst[prop]) dst[prop] = src[prop]; } return dst; } }).call(this,require('_process'),require("buffer").Buffer) },{"_process":323,"async":78,"buffer":172,"combined-stream":74,"fs":156,"http":315,"https":319,"mime-types":122,"path":322,"url":341,"util":343}],78:[function(require,module,exports){ (function (process){ /*! * async * https://github.com/caolan/async * * Copyright 2010-2014 Caolan McMahon * Released under the MIT license */ /*jshint onevar: false, indent:4 */ /*global setImmediate: false, setTimeout: false, console: false */ (function () { var async = {}; // global on the server, window in the browser var root, previous_async; root = this; if (root != null) { previous_async = root.async; } async.noConflict = function () { root.async = previous_async; return async; }; function only_once(fn) { var called = false; return function() { if (called) throw new Error("Callback was already called."); called = true; fn.apply(root, arguments); } } //// cross-browser compatiblity functions //// var _toString = Object.prototype.toString; var _isArray = Array.isArray || function (obj) { return _toString.call(obj) === '[object Array]'; }; var _each = function (arr, iterator) { if (arr.forEach) { return arr.forEach(iterator); } for (var i = 0; i < arr.length; i += 1) { iterator(arr[i], i, arr); } }; var _map = function (arr, iterator) { if (arr.map) { return arr.map(iterator); } var results = []; _each(arr, function (x, i, a) { results.push(iterator(x, i, a)); }); return results; }; var _reduce = function (arr, iterator, memo) { if (arr.reduce) { return arr.reduce(iterator, memo); } _each(arr, function (x, i, a) { memo = iterator(memo, x, i, a); }); return memo; }; var _keys = function (obj) { if (Object.keys) { return Object.keys(obj); } var keys = []; for (var k in obj) { if (obj.hasOwnProperty(k)) { keys.push(k); } } return keys; }; //// exported async module functions //// //// nextTick implementation with browser-compatible fallback //// if (typeof process === 'undefined' || !(process.nextTick)) { if (typeof setImmediate === 'function') { async.nextTick = function (fn) { // not a direct alias for IE10 compatibility setImmediate(fn); }; async.setImmediate = async.nextTick; } else { async.nextTick = function (fn) { setTimeout(fn, 0); }; async.setImmediate = async.nextTick; } } else { async.nextTick = process.nextTick; if (typeof setImmediate !== 'undefined') { async.setImmediate = function (fn) { // not a direct alias for IE10 compatibility setImmediate(fn); }; } else { async.setImmediate = async.nextTick; } } async.each = function (arr, iterator, callback) { callback = callback || function () {}; if (!arr.length) { return callback(); } var completed = 0; _each(arr, function (x) { iterator(x, only_once(done) ); }); function done(err) { if (err) { callback(err); callback = function () {}; } else { completed += 1; if (completed >= arr.length) { callback(); } } } }; async.forEach = async.each; async.eachSeries = function (arr, iterator, callback) { callback = callback || function () {}; if (!arr.length) { return callback(); } var completed = 0; var iterate = function () { iterator(arr[completed], function (err) { if (err) { callback(err); callback = function () {}; } else { completed += 1; if (completed >= arr.length) { callback(); } else { iterate(); } } }); }; iterate(); }; async.forEachSeries = async.eachSeries; async.eachLimit = function (arr, limit, iterator, callback) { var fn = _eachLimit(limit); fn.apply(null, [arr, iterator, callback]); }; async.forEachLimit = async.eachLimit; var _eachLimit = function (limit) { return function (arr, iterator, callback) { callback = callback || function () {}; if (!arr.length || limit <= 0) { return callback(); } var completed = 0; var started = 0; var running = 0; (function replenish () { if (completed >= arr.length) { return callback(); } while (running < limit && started < arr.length) { started += 1; running += 1; iterator(arr[started - 1], function (err) { if (err) { callback(err); callback = function () {}; } else { completed += 1; running -= 1; if (completed >= arr.length) { callback(); } else { replenish(); } } }); } })(); }; }; var doParallel = function (fn) { return function () { var args = Array.prototype.slice.call(arguments); return fn.apply(null, [async.each].concat(args)); }; }; var doParallelLimit = function(limit, fn) { return function () { var args = Array.prototype.slice.call(arguments); return fn.apply(null, [_eachLimit(limit)].concat(args)); }; }; var doSeries = function (fn) { return function () { var args = Array.prototype.slice.call(arguments); return fn.apply(null, [async.eachSeries].concat(args)); }; }; var _asyncMap = function (eachfn, arr, iterator, callback) { arr = _map(arr, function (x, i) { return {index: i, value: x}; }); if (!callback) { eachfn(arr, function (x, callback) { iterator(x.value, function (err) { callback(err); }); }); } else { var results = []; eachfn(arr, function (x, callback) { iterator(x.value, function (err, v) { results[x.index] = v; callback(err); }); }, function (err) { callback(err, results); }); } }; async.map = doParallel(_asyncMap); async.mapSeries = doSeries(_asyncMap); async.mapLimit = function (arr, limit, iterator, callback) { return _mapLimit(limit)(arr, iterator, callback); }; var _mapLimit = function(limit) { return doParallelLimit(limit, _asyncMap); }; // reduce only has a series version, as doing reduce in parallel won't // work in many situations. async.reduce = function (arr, memo, iterator, callback) { async.eachSeries(arr, function (x, callback) { iterator(memo, x, function (err, v) { memo = v; callback(err); }); }, function (err) { callback(err, memo); }); }; // inject alias async.inject = async.reduce; // foldl alias async.foldl = async.reduce; async.reduceRight = function (arr, memo, iterator, callback) { var reversed = _map(arr, function (x) { return x; }).reverse(); async.reduce(reversed, memo, iterator, callback); }; // foldr alias async.foldr = async.reduceRight; var _filter = function (eachfn, arr, iterator, callback) { var results = []; arr = _map(arr, function (x, i) { return {index: i, value: x}; }); eachfn(arr, function (x, callback) { iterator(x.value, function (v) { if (v) { results.push(x); } callback(); }); }, function (err) { callback(_map(results.sort(function (a, b) { return a.index - b.index; }), function (x) { return x.value; })); }); }; async.filter = doParallel(_filter); async.filterSeries = doSeries(_filter); // select alias async.select = async.filter; async.selectSeries = async.filterSeries; var _reject = function (eachfn, arr, iterator, callback) { var results = []; arr = _map(arr, function (x, i) { return {index: i, value: x}; }); eachfn(arr, function (x, callback) { iterator(x.value, function (v) { if (!v) { results.push(x); } callback(); }); }, function (err) { callback(_map(results.sort(function (a, b) { return a.index - b.index; }), function (x) { return x.value; })); }); }; async.reject = doParallel(_reject); async.rejectSeries = doSeries(_reject); var _detect = function (eachfn, arr, iterator, main_callback) { eachfn(arr, function (x, callback) { iterator(x, function (result) { if (result) { main_callback(x); main_callback = function () {}; } else { callback(); } }); }, function (err) { main_callback(); }); }; async.detect = doParallel(_detect); async.detectSeries = doSeries(_detect); async.some = function (arr, iterator, main_callback) { async.each(arr, function (x, callback) { iterator(x, function (v) { if (v) { main_callback(true); main_callback = function () {}; } callback(); }); }, function (err) { main_callback(false); }); }; // any alias async.any = async.some; async.every = function (arr, iterator, main_callback) { async.each(arr, function (x, callback) { iterator(x, function (v) { if (!v) { main_callback(false); main_callback = function () {}; } callback(); }); }, function (err) { main_callback(true); }); }; // all alias async.all = async.every; async.sortBy = function (arr, iterator, callback) { async.map(arr, function (x, callback) { iterator(x, function (err, criteria) { if (err) { callback(err); } else { callback(null, {value: x, criteria: criteria}); } }); }, function (err, results) { if (err) { return callback(err); } else { var fn = function (left, right) { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }; callback(null, _map(results.sort(fn), function (x) { return x.value; })); } }); }; async.auto = function (tasks, callback) { callback = callback || function () {}; var keys = _keys(tasks); var remainingTasks = keys.length if (!remainingTasks) { return callback(); } var results = {}; var listeners = []; var addListener = function (fn) { listeners.unshift(fn); }; var removeListener = function (fn) { for (var i = 0; i < listeners.length; i += 1) { if (listeners[i] === fn) { listeners.splice(i, 1); return; } } }; var taskComplete = function () { remainingTasks-- _each(listeners.slice(0), function (fn) { fn(); }); }; addListener(function () { if (!remainingTasks) { var theCallback = callback; // prevent final callback from calling itself if it errors callback = function () {}; theCallback(null, results); } }); _each(keys, function (k) { var task = _isArray(tasks[k]) ? tasks[k]: [tasks[k]]; var taskCallback = function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } if (err) { var safeResults = {}; _each(_keys(results), function(rkey) { safeResults[rkey] = results[rkey]; }); safeResults[k] = args; callback(err, safeResults); // stop subsequent errors hitting callback multiple times callback = function () {}; } else { results[k] = args; async.setImmediate(taskComplete); } }; var requires = task.slice(0, Math.abs(task.length - 1)) || []; var ready = function () { return _reduce(requires, function (a, x) { return (a && results.hasOwnProperty(x)); }, true) && !results.hasOwnProperty(k); }; if (ready()) { task[task.length - 1](taskCallback, results); } else { var listener = function () { if (ready()) { removeListener(listener); task[task.length - 1](taskCallback, results); } }; addListener(listener); } }); }; async.retry = function(times, task, callback) { var DEFAULT_TIMES = 5; var attempts = []; // Use defaults if times not passed if (typeof times === 'function') { callback = task; task = times; times = DEFAULT_TIMES; } // Make sure times is a number times = parseInt(times, 10) || DEFAULT_TIMES; var wrappedTask = function(wrappedCallback, wrappedResults) { var retryAttempt = function(task, finalAttempt) { return function(seriesCallback) { task(function(err, result){ seriesCallback(!err || finalAttempt, {err: err, result: result}); }, wrappedResults); }; }; while (times) { attempts.push(retryAttempt(task, !(times-=1))); } async.series(attempts, function(done, data){ data = data[data.length - 1]; (wrappedCallback || callback)(data.err, data.result); }); } // If a callback is passed, run this as a controll flow return callback ? wrappedTask() : wrappedTask }; async.waterfall = function (tasks, callback) { callback = callback || function () {}; if (!_isArray(tasks)) { var err = new Error('First argument to waterfall must be an array of functions'); return callback(err); } if (!tasks.length) { return callback(); } var wrapIterator = function (iterator) { return function (err) { if (err) { callback.apply(null, arguments); callback = function () {}; } else { var args = Array.prototype.slice.call(arguments, 1); var next = iterator.next(); if (next) { args.push(wrapIterator(next)); } else { args.push(callback); } async.setImmediate(function () { iterator.apply(null, args); }); } }; }; wrapIterator(async.iterator(tasks))(); }; var _parallel = function(eachfn, tasks, callback) { callback = callback || function () {}; if (_isArray(tasks)) { eachfn.map(tasks, function (fn, callback) { if (fn) { fn(function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } callback.call(null, err, args); }); } }, callback); } else { var results = {}; eachfn.each(_keys(tasks), function (k, callback) { tasks[k](function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } results[k] = args; callback(err); }); }, function (err) { callback(err, results); }); } }; async.parallel = function (tasks, callback) { _parallel({ map: async.map, each: async.each }, tasks, callback); }; async.parallelLimit = function(tasks, limit, callback) { _parallel({ map: _mapLimit(limit), each: _eachLimit(limit) }, tasks, callback); }; async.series = function (tasks, callback) { callback = callback || function () {}; if (_isArray(tasks)) { async.mapSeries(tasks, function (fn, callback) { if (fn) { fn(function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } callback.call(null, err, args); }); } }, callback); } else { var results = {}; async.eachSeries(_keys(tasks), function (k, callback) { tasks[k](function (err) { var args = Array.prototype.slice.call(arguments, 1); if (args.length <= 1) { args = args[0]; } results[k] = args; callback(err); }); }, function (err) { callback(err, results); }); } }; async.iterator = function (tasks) { var makeCallback = function (index) { var fn = function () { if (tasks.length) { tasks[index].apply(null, arguments); } return fn.next(); }; fn.next = function () { return (index < tasks.length - 1) ? makeCallback(index + 1): null; }; return fn; }; return makeCallback(0); }; async.apply = function (fn) { var args = Array.prototype.slice.call(arguments, 1); return function () { return fn.apply( null, args.concat(Array.prototype.slice.call(arguments)) ); }; }; var _concat = function (eachfn, arr, fn, callback) { var r = []; eachfn(arr, function (x, cb) { fn(x, function (err, y) { r = r.concat(y || []); cb(err); }); }, function (err) { callback(err, r); }); }; async.concat = doParallel(_concat); async.concatSeries = doSeries(_concat); async.whilst = function (test, iterator, callback) { if (test()) { iterator(function (err) { if (err) { return callback(err); } async.whilst(test, iterator, callback); }); } else { callback(); } }; async.doWhilst = function (iterator, test, callback) { iterator(function (err) { if (err) { return callback(err); } var args = Array.prototype.slice.call(arguments, 1); if (test.apply(null, args)) { async.doWhilst(iterator, test, callback); } else { callback(); } }); }; async.until = function (test, iterator, callback) { if (!test()) { iterator(function (err) { if (err) { return callback(err); } async.until(test, iterator, callback); }); } else { callback(); } }; async.doUntil = function (iterator, test, callback) { iterator(function (err) { if (err) { return callback(err); } var args = Array.prototype.slice.call(arguments, 1); if (!test.apply(null, args)) { async.doUntil(iterator, test, callback); } else { callback(); } }); }; async.queue = function (worker, concurrency) { if (concurrency === undefined) { concurrency = 1; } function _insert(q, data, pos, callback) { if (!q.started){ q.started = true; } if (!_isArray(data)) { data = [data]; } if(data.length == 0) { // call drain immediately if there are no tasks return async.setImmediate(function() { if (q.drain) { q.drain(); } }); } _each(data, function(task) { var item = { data: task, callback: typeof callback === 'function' ? callback : null }; if (pos) { q.tasks.unshift(item); } else { q.tasks.push(item); } if (q.saturated && q.tasks.length === q.concurrency) { q.saturated(); } async.setImmediate(q.process); }); } var workers = 0; var q = { tasks: [], concurrency: concurrency, saturated: null, empty: null, drain: null, started: false, paused: false, push: function (data, callback) { _insert(q, data, false, callback); }, kill: function () { q.drain = null; q.tasks = []; }, unshift: function (data, callback) { _insert(q, data, true, callback); }, process: function () { if (!q.paused && workers < q.concurrency && q.tasks.length) { var task = q.tasks.shift(); if (q.empty && q.tasks.length === 0) { q.empty(); } workers += 1; var next = function () { workers -= 1; if (task.callback) { task.callback.apply(task, arguments); } if (q.drain && q.tasks.length + workers === 0) { q.drain(); } q.process(); }; var cb = only_once(next); worker(task.data, cb); } }, length: function () { return q.tasks.length; }, running: function () { return workers; }, idle: function() { return q.tasks.length + workers === 0; }, pause: function () { if (q.paused === true) { return; } q.paused = true; q.process(); }, resume: function () { if (q.paused === false) { return; } q.paused = false; q.process(); } }; return q; }; async.priorityQueue = function (worker, concurrency) { function _compareTasks(a, b){ return a.priority - b.priority; }; function _binarySearch(sequence, item, compare) { var beg = -1, end = sequence.length - 1; while (beg < end) { var mid = beg + ((end - beg + 1) >>> 1); if (compare(item, sequence[mid]) >= 0) { beg = mid; } else { end = mid - 1; } } return beg; } function _insert(q, data, priority, callback) { if (!q.started){ q.started = true; } if (!_isArray(data)) { data = [data]; } if(data.length == 0) { // call drain immediately if there are no tasks return async.setImmediate(function() { if (q.drain) { q.drain(); } }); } _each(data, function(task) { var item = { data: task, priority: priority, callback: typeof callback === 'function' ? callback : null }; q.tasks.splice(_binarySearch(q.tasks, item, _compareTasks) + 1, 0, item); if (q.saturated && q.tasks.length === q.concurrency) { q.saturated(); } async.setImmediate(q.process); }); } // Start with a normal queue var q = async.queue(worker, concurrency); // Override push to accept second parameter representing priority q.push = function (data, priority, callback) { _insert(q, data, priority, callback); }; // Remove unshift function delete q.unshift; return q; }; async.cargo = function (worker, payload) { var working = false, tasks = []; var cargo = { tasks: tasks, payload: payload, saturated: null, empty: null, drain: null, drained: true, push: function (data, callback) { if (!_isArray(data)) { data = [data]; } _each(data, function(task) { tasks.push({ data: task, callback: typeof callback === 'function' ? callback : null }); cargo.drained = false; if (cargo.saturated && tasks.length === payload) { cargo.saturated(); } }); async.setImmediate(cargo.process); }, process: function process() { if (working) return; if (tasks.length === 0) { if(cargo.drain && !cargo.drained) cargo.drain(); cargo.drained = true; return; } var ts = typeof payload === 'number' ? tasks.splice(0, payload) : tasks.splice(0, tasks.length); var ds = _map(ts, function (task) { return task.data; }); if(cargo.empty) cargo.empty(); working = true; worker(ds, function () { working = false; var args = arguments; _each(ts, function (data) { if (data.callback) { data.callback.apply(null, args); } }); process(); }); }, length: function () { return tasks.length; }, running: function () { return working; } }; return cargo; }; var _console_fn = function (name) { return function (fn) { var args = Array.prototype.slice.call(arguments, 1); fn.apply(null, args.concat([function (err) { var args = Array.prototype.slice.call(arguments, 1); if (typeof console !== 'undefined') { if (err) { if (console.error) { console.error(err); } } else if (console[name]) { _each(args, function (x) { console[name](x); }); } } }])); }; }; async.log = _console_fn('log'); async.dir = _console_fn('dir'); /*async.info = _console_fn('info'); async.warn = _console_fn('warn'); async.error = _console_fn('error');*/ async.memoize = function (fn, hasher) { var memo = {}; var queues = {}; hasher = hasher || function (x) { return x; }; var memoized = function () { var args = Array.prototype.slice.call(arguments); var callback = args.pop(); var key = hasher.apply(null, args); if (key in memo) { async.nextTick(function () { callback.apply(null, memo[key]); }); } else if (key in queues) { queues[key].push(callback); } else { queues[key] = [callback]; fn.apply(null, args.concat([function () { memo[key] = arguments; var q = queues[key]; delete queues[key]; for (var i = 0, l = q.length; i < l; i++) { q[i].apply(null, arguments); } }])); } }; memoized.memo = memo; memoized.unmemoized = fn; return memoized; }; async.unmemoize = function (fn) { return function () { return (fn.unmemoized || fn).apply(null, arguments); }; }; async.times = function (count, iterator, callback) { var counter = []; for (var i = 0; i < count; i++) { counter.push(i); } return async.map(counter, iterator, callback); }; async.timesSeries = function (count, iterator, callback) { var counter = []; for (var i = 0; i < count; i++) { counter.push(i); } return async.mapSeries(counter, iterator, callback); }; async.seq = function (/* functions... */) { var fns = arguments; return function () { var that = this; var args = Array.prototype.slice.call(arguments); var callback = args.pop(); async.reduce(fns, args, function (newargs, fn, cb) { fn.apply(that, newargs.concat([function () { var err = arguments[0]; var nextargs = Array.prototype.slice.call(arguments, 1); cb(err, nextargs); }])) }, function (err, results) { callback.apply(that, [err].concat(results)); }); }; }; async.compose = function (/* functions... */) { return async.seq.apply(null, Array.prototype.reverse.call(arguments)); }; var _applyEach = function (eachfn, fns /*args...*/) { var go = function () { var that = this; var args = Array.prototype.slice.call(arguments); var callback = args.pop(); return eachfn(fns, function (fn, cb) { fn.apply(that, args.concat([cb])); }, callback); }; if (arguments.length > 2) { var args = Array.prototype.slice.call(arguments, 2); return go.apply(this, args); } else { return go; } }; async.applyEach = doParallel(_applyEach); async.applyEachSeries = doSeries(_applyEach); async.forever = function (fn, callback) { function next(err) { if (err) { if (callback) { return callback(err); } throw err; } fn(next); } next(); }; // Node.js if (typeof module !== 'undefined' && module.exports) { module.exports = async; } // AMD / RequireJS else if (typeof define !== 'undefined' && define.amd) { define([], function () { return async; }); } // included directly via