Telegram Web, preconfigured for usage in I2P. http://web.telegram.i2p/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

689 lines
15 KiB

/*!
7 years ago
* Webogram v0.7 - messaging web application for MTProto
* https://github.com/zhukov/webogram
* Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
* https://github.com/zhukov/webogram/blob/master/LICENSE
*/
function bigint (num) {
return new BigInteger(num.toString(16), 16)
}
function bigStringInt (strNum) {
return new BigInteger(strNum, 10)
}
function dHexDump (bytes) {
var arr = []
for (var i = 0; i < bytes.length; i++) {
if (i && !(i % 2)) {
if (!(i % 16)) {
arr.push('\n')
} else if (!(i % 4)) {
arr.push(' ')
} else {
arr.push(' ')
}
}
arr.push((bytes[i] < 16 ? '0' : '') + bytes[i].toString(16))
}
console.log(arr.join(''))
}
function bytesToHex (bytes) {
bytes = bytes || []
var arr = []
for (var i = 0; i < bytes.length; i++) {
arr.push((bytes[i] < 16 ? '0' : '') + (bytes[i] || 0).toString(16))
}
return arr.join('')
}
function bytesFromHex (hexString) {
var len = hexString.length,
i
var start = 0
var bytes = []
if (hexString.length % 2) {
bytes.push(parseInt(hexString.charAt(0), 16))
start++
}
for (i = start; i < len; i += 2) {
bytes.push(parseInt(hexString.substr(i, 2), 16))
}
return bytes
}
function bytesToBase64 (bytes) {
var mod3
var result = ''
for (var nLen = bytes.length, nUint24 = 0, nIdx = 0; nIdx < nLen; nIdx++) {
mod3 = nIdx % 3
nUint24 |= bytes[nIdx] << (16 >>> mod3 & 24)
if (mod3 === 2 || nLen - nIdx === 1) {
result += String.fromCharCode(
uint6ToBase64(nUint24 >>> 18 & 63),
uint6ToBase64(nUint24 >>> 12 & 63),
uint6ToBase64(nUint24 >>> 6 & 63),
uint6ToBase64(nUint24 & 63)
)
nUint24 = 0
}
}
return result.replace(/A(?=A$|$)/g, '=')
}
function uint6ToBase64 (nUint6) {
return nUint6 < 26
? nUint6 + 65
: nUint6 < 52
? nUint6 + 71
: nUint6 < 62
? nUint6 - 4
: nUint6 === 62
? 43
: nUint6 === 63
? 47
: 65
}
function base64ToBlob (base64str, mimeType) {
var sliceSize = 1024
var byteCharacters = atob(base64str)
var bytesLength = byteCharacters.length
var slicesCount = Math.ceil(bytesLength / sliceSize)
var byteArrays = new Array(slicesCount)
for (var sliceIndex = 0; sliceIndex < slicesCount; ++sliceIndex) {
var begin = sliceIndex * sliceSize
var end = Math.min(begin + sliceSize, bytesLength)
var bytes = new Array(end - begin)
for (var offset = begin, i = 0; offset < end; ++i, ++offset) {
bytes[i] = byteCharacters[offset].charCodeAt(0)
}
byteArrays[sliceIndex] = new Uint8Array(bytes)
}
return blobConstruct(byteArrays, mimeType)
}
function dataUrlToBlob (url) {
// var name = 'b64blob ' + url.length
// console.time(name)
var urlParts = url.split(',')
var base64str = urlParts[1]
var mimeType = urlParts[0].split(':')[1].split(';')[0]
var blob = base64ToBlob(base64str, mimeType)
// console.timeEnd(name)
return blob
}
function blobConstruct (blobParts, mimeType) {
var blob
var safeMimeType = blobSafeMimeType(mimeType)
try {
blob = new Blob(blobParts, {type: safeMimeType})
} catch (e) {
var bb = new BlobBuilder
angular.forEach(blobParts, function (blobPart) {
bb.append(blobPart)
})
blob = bb.getBlob(safeMimeType)
}
return blob
}
function blobSafeMimeType(mimeType) {
if ([
'image/jpeg',
'image/png',
'image/gif',
'image/webp',
'image/bmp',
'video/mp4',
'video/webm',
'video/quicktime',
'audio/ogg',
'audio/mpeg',
'audio/mp4',
].indexOf(mimeType) == -1) {
return 'application/octet-stream'
}
return mimeType
}
function bytesCmp (bytes1, bytes2) {
var len = bytes1.length
if (len != bytes2.length) {
return false
}
for (var i = 0; i < len; i++) {
if (bytes1[i] != bytes2[i]) {
return false
}
}
return true
}
function bytesXor (bytes1, bytes2) {
var len = bytes1.length
var bytes = []
for (var i = 0; i < len; ++i) {
bytes[i] = bytes1[i] ^ bytes2[i]
}
return bytes
}
function bytesToWords (bytes) {
if (bytes instanceof ArrayBuffer) {
bytes = new Uint8Array(bytes)
}
var len = bytes.length
var words = []
var i
for (i = 0; i < len; i++) {
words[i >>> 2] |= bytes[i] << (24 - (i % 4) * 8)
}
return new CryptoJS.lib.WordArray.init(words, len)
}
function bytesFromWords (wordArray) {
var words = wordArray.words
var sigBytes = wordArray.sigBytes
var bytes = []
for (var i = 0; i < sigBytes; i++) {
bytes.push((words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff)
}
return bytes
}
function bytesFromBigInt (bigInt, len) {
var bytes = bigInt.toByteArray()
if (len && bytes.length < len) {
var padding = []
for (var i = 0, needPadding = len - bytes.length; i < needPadding; i++) {
padding[i] = 0
}
if (bytes instanceof ArrayBuffer) {
bytes = bufferConcat(padding, bytes)
} else {
bytes = padding.concat(bytes)
}
}else {
while (!bytes[0] && (!len || bytes.length > len)) {
bytes = bytes.slice(1)
}
}
return bytes
}
function bytesFromLeemonBigInt (bigInt, len) {
var str = bigInt2str(bigInt, 16)
return bytesFromHex(str)
}
function bytesToArrayBuffer (b) {
return (new Uint8Array(b)).buffer
}
function convertToArrayBuffer (bytes) {
// Be careful with converting subarrays!!
if (bytes instanceof ArrayBuffer) {
return bytes
}
if (bytes.buffer !== undefined &&
bytes.buffer.byteLength == bytes.length * bytes.BYTES_PER_ELEMENT) {
return bytes.buffer
}
return bytesToArrayBuffer(bytes)
}
function convertToUint8Array (bytes) {
if (bytes.buffer !== undefined) {
return bytes
}
return new Uint8Array(bytes)
}
function convertToByteArray (bytes) {
if (Array.isArray(bytes)) {
return bytes
}
bytes = convertToUint8Array(bytes)
var newBytes = []
for (var i = 0, len = bytes.length; i < len; i++) {
newBytes.push(bytes[i])
}
return newBytes
}
function bytesFromArrayBuffer (buffer) {
var len = buffer.byteLength
var byteView = new Uint8Array(buffer)
var bytes = []
for (var i = 0; i < len; ++i) {
bytes[i] = byteView[i]
}
return bytes
}
function bufferConcat (buffer1, buffer2) {
var l1 = buffer1.byteLength || buffer1.length
var l2 = buffer2.byteLength || buffer2.length
var tmp = new Uint8Array(l1 + l2)
tmp.set(buffer1 instanceof ArrayBuffer ? new Uint8Array(buffer1) : buffer1, 0)
tmp.set(buffer2 instanceof ArrayBuffer ? new Uint8Array(buffer2) : buffer2, l1)
return tmp.buffer
}
function longToInts (sLong) {
var divRem = bigStringInt(sLong).divideAndRemainder(bigint(0x100000000))
return [divRem[0].intValue(), divRem[1].intValue()]
}
function longToBytes (sLong) {
return bytesFromWords({words: longToInts(sLong), sigBytes: 8}).reverse()
}
function longFromInts (high, low) {
return bigint(high).shiftLeft(32).add(bigint(low)).toString(10)
}
function intToUint (val) {
val = parseInt(val)
if (val < 0) {
val = val + 4294967296
}
return val
}
function uintToInt (val) {
if (val > 2147483647) {
val = val - 4294967296
}
return val
}
function sha1HashSync (bytes) {
this.rushaInstance = this.rushaInstance || new Rusha(1024 * 1024)
// console.log(dT(), 'SHA-1 hash start', bytes.byteLength || bytes.length)
var hashBytes = rushaInstance.rawDigest(bytes).buffer
// console.log(dT(), 'SHA-1 hash finish')
return hashBytes
}
function sha1BytesSync (bytes) {
return bytesFromArrayBuffer(sha1HashSync(bytes))
}
function sha256HashSync (bytes) {
// console.log(dT(), 'SHA-2 hash start', bytes.byteLength || bytes.length)
var hashWords = CryptoJS.SHA256(bytesToWords(bytes))
// console.log(dT(), 'SHA-2 hash finish')
var hashBytes = bytesFromWords(hashWords)
return hashBytes
}
function rsaEncrypt (publicKey, bytes) {
bytes = addPadding(bytes, 255)
// console.log('RSA encrypt start')
var N = new BigInteger(publicKey.modulus, 16)
var E = new BigInteger(publicKey.exponent, 16)
var X = new BigInteger(bytes)
var encryptedBigInt = X.modPowInt(E, N),
encryptedBytes = bytesFromBigInt(encryptedBigInt, 256)
// console.log('RSA encrypt finish')
return encryptedBytes
}
function addPadding (bytes, blockSize, zeroes) {
blockSize = blockSize || 16
var len = bytes.byteLength || bytes.length
var needPadding = blockSize - (len % blockSize)
if (needPadding > 0 && needPadding < blockSize) {
var padding = new Array(needPadding)
if (zeroes) {
for (var i = 0; i < needPadding; i++) {
padding[i] = 0
}
} else {
(new SecureRandom()).nextBytes(padding)
}
if (bytes instanceof ArrayBuffer) {
bytes = bufferConcat(bytes, padding)
} else {
bytes = bytes.concat(padding)
}
}
return bytes
}
function aesEncryptSync (bytes, keyBytes, ivBytes) {
var len = bytes.byteLength || bytes.length
// console.log(dT(), 'AES encrypt start', len/*, bytesToHex(keyBytes), bytesToHex(ivBytes)*/)
bytes = addPadding(bytes)
var encryptedWords = CryptoJS.AES.encrypt(bytesToWords(bytes), bytesToWords(keyBytes), {
iv: bytesToWords(ivBytes),
padding: CryptoJS.pad.NoPadding,
mode: CryptoJS.mode.IGE
}).ciphertext
var encryptedBytes = bytesFromWords(encryptedWords)
// console.log(dT(), 'AES encrypt finish')
return encryptedBytes
}
function aesDecryptSync (encryptedBytes, keyBytes, ivBytes) {
// console.log(dT(), 'AES decrypt start', encryptedBytes.length)
var decryptedWords = CryptoJS.AES.decrypt({ciphertext: bytesToWords(encryptedBytes)}, bytesToWords(keyBytes), {
iv: bytesToWords(ivBytes),
padding: CryptoJS.pad.NoPadding,
mode: CryptoJS.mode.IGE
})
var bytes = bytesFromWords(decryptedWords)
// console.log(dT(), 'AES decrypt finish')
return bytes
}
function gzipUncompress (bytes) {
// console.log('Gzip uncompress start')
var result = (new Zlib.Gunzip(bytes)).decompress()
// console.log('Gzip uncompress finish')
return result
}
function nextRandomInt (maxValue) {
return Math.floor(Math.random() * maxValue)
}
function pqPrimeFactorization (pqBytes) {
var what = new BigInteger(pqBytes)
var result = false
// console.log(dT(), 'PQ start', pqBytes, what.toString(16), what.bitLength())
try {
result = pqPrimeLeemon(str2bigInt(what.toString(16), 16, Math.ceil(64 / bpe) + 1))
} catch (e) {
console.error('Pq leemon Exception', e)
}
if (result === false && what.bitLength() <= 64) {
// console.time('PQ long')
try {
result = pqPrimeLong(goog.math.Long.fromString(what.toString(16), 16))
} catch (e) {
console.error('Pq long Exception', e)
}
// console.timeEnd('PQ long')
}
// console.log(result)
if (result === false) {
// console.time('pq BigInt')
result = pqPrimeBigInteger(what)
// console.timeEnd('pq BigInt')
}
// console.log(dT(), 'PQ finish')
return result
}
function pqPrimeBigInteger (what) {
var it = 0,
g
for (var i = 0; i < 3; i++) {
var q = (nextRandomInt(128) & 15) + 17
var x = bigint(nextRandomInt(1000000000) + 1)
var y = x.clone()
var lim = 1 << (i + 18)
for (var j = 1; j < lim; j++) {
++it
var a = x.clone()
var b = x.clone()
var c = bigint(q)
while (!b.equals(BigInteger.ZERO)) {
if (!b.and(BigInteger.ONE).equals(BigInteger.ZERO)) {
c = c.add(a)
if (c.compareTo(what) > 0) {
c = c.subtract(what)
}
}
a = a.add(a)
if (a.compareTo(what) > 0) {
a = a.subtract(what)
}
b = b.shiftRight(1)
}
x = c.clone()
var z = x.compareTo(y) < 0 ? y.subtract(x) : x.subtract(y)
g = z.gcd(what)
if (!g.equals(BigInteger.ONE)) {
break
}
if ((j & (j - 1)) == 0) {
y = x.clone()
}
}
if (g.compareTo(BigInteger.ONE) > 0) {
break
}
}
var f = what.divide(g), P, Q
if (g.compareTo(f) > 0) {
P = f
Q = g
} else {
P = g
Q = f
}
return [bytesFromBigInt(P), bytesFromBigInt(Q), it]
}
function gcdLong (a, b) {
while (a.notEquals(goog.math.Long.ZERO) && b.notEquals(goog.math.Long.ZERO)) {
while (b.and(goog.math.Long.ONE).equals(goog.math.Long.ZERO)) {
b = b.shiftRight(1)
}
while (a.and(goog.math.Long.ONE).equals(goog.math.Long.ZERO)) {
a = a.shiftRight(1)
}
if (a.compare(b) > 0) {
a = a.subtract(b)
} else {
b = b.subtract(a)
}
}
return b.equals(goog.math.Long.ZERO) ? a : b
}
function pqPrimeLong (what) {
var it = 0,
g
for (var i = 0; i < 3; i++) {
var q = goog.math.Long.fromInt((nextRandomInt(128) & 15) + 17)
var x = goog.math.Long.fromInt(nextRandomInt(1000000000) + 1)
var y = x
var lim = 1 << (i + 18)
for (var j = 1; j < lim; j++) {
++it
var a = x
var b = x
var c = q
while (b.notEquals(goog.math.Long.ZERO)) {
if (b.and(goog.math.Long.ONE).notEquals(goog.math.Long.ZERO)) {
c = c.add(a)
if (c.compare(what) > 0) {
c = c.subtract(what)
}
}
a = a.add(a)
if (a.compare(what) > 0) {
a = a.subtract(what)
}
b = b.shiftRight(1)
}
x = c
var z = x.compare(y) < 0 ? y.subtract(x) : x.subtract(y)
g = gcdLong(z, what)
if (g.notEquals(goog.math.Long.ONE)) {
break
}
if ((j & (j - 1)) == 0) {
y = x
}
}
if (g.compare(goog.math.Long.ONE) > 0) {
break
}
}
var f = what.div(g), P, Q
if (g.compare(f) > 0) {
P = f
Q = g
} else {
P = g
Q = f
}
return [bytesFromHex(P.toString(16)), bytesFromHex(Q.toString(16)), it]
}
function pqPrimeLeemon (what) {
var minBits = 64
var minLen = Math.ceil(minBits / bpe) + 1
var it = 0
var i, q
var j, lim
var g, P
var Q
var a = new Array(minLen)
var b = new Array(minLen)
var c = new Array(minLen)
var g = new Array(minLen)
var z = new Array(minLen)
var x = new Array(minLen)
var y = new Array(minLen)
for (i = 0; i < 3; i++) {
q = (nextRandomInt(128) & 15) + 17
copyInt_(x, nextRandomInt(1000000000) + 1)
copy_(y, x)
lim = 1 << (i + 18)
for (j = 1; j < lim; j++) {
++it
copy_(a, x)
copy_(b, x)
copyInt_(c, q)
while (!isZero(b)) {
if (b[0] & 1) {
add_(c, a)
if (greater(c, what)) {
sub_(c, what)
}
}
add_(a, a)
if (greater(a, what)) {
sub_(a, what)
}
rightShift_(b, 1)
}
copy_(x, c)
if (greater(x, y)) {
copy_(z, x)
sub_(z, y)
} else {
copy_(z, y)
sub_(z, x)
}
eGCD_(z, what, g, a, b)
if (!equalsInt(g, 1)) {
break
}
if ((j & (j - 1)) == 0) {
copy_(y, x)
}
}
if (greater(g, one)) {
break
}
}
divide_(what, g, x, y)
if (greater(g, x)) {
P = x
Q = g
} else {
P = g
Q = x
}
// console.log(dT(), 'done', bigInt2str(what, 10), bigInt2str(P, 10), bigInt2str(Q, 10))
return [bytesFromLeemonBigInt(P), bytesFromLeemonBigInt(Q), it]
}
function bytesModPow (x, y, m) {
try {
var xBigInt = str2bigInt(bytesToHex(x), 16)
var yBigInt = str2bigInt(bytesToHex(y), 16)
var mBigInt = str2bigInt(bytesToHex(m), 16)
var resBigInt = powMod(xBigInt, yBigInt, mBigInt)
return bytesFromHex(bigInt2str(resBigInt, 16))
} catch (e) {
console.error('mod pow error', e)
}
return bytesFromBigInt(new BigInteger(x).modPow(new BigInteger(y), new BigInteger(m)), 256)
}