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9 lines
245 KiB
9 lines
245 KiB
8 years ago
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e.setKeepAlive(!0),e.once("handshake",function(t,n){if(!e.destroyed){e.handshake(t,e.webPeerId);for(var r=e._torrent.pieces.length,i=new o(r),s=0;r>=s;s++)i.set(s,!0);e.bitfield(i)}}),e.once("interested",function(){i("interested"),e.unchoke()}),e.on("uninterested",function(){i("uninterested")}),e.on("choke",function(){i("choke")}),e.on("unchoke",function(){i("unchoke")}),e.on("bitfield",function(){i("bitfield")}),e.on("request",function(t,n,r,o){i("request pieceIndex=%d offset=%d length=%d",t,n,r),e.httpRequest(t,n,r,o)})},r.prototype.httpRequest=function(e,t,r,o){var a,c=this,u=e*c._torrent.pieceLength,f=u+t,d=f+r-1,h=c._torrent.files;if(h.length<=1)a=[{url:c.url,start:f,end:d}];else{var l=h.filter(function(e){return e.offset<=d&&e.offset+e.length>f});if(l.length<1)return o(new Error("Could not find file corresponnding to web seed range request"));a=l.map(function(e){var t=e.offset+e.length-1,n=c.url+("/"===c.url[c.url.length-1]?"":"/")+e.path;return{url:n,fileOffsetInRange:Math.max(e.offset-f,0),start:Math.max(f-e.offset,0),end:Math.min(t,d-e.offset)}})}var p=0,m=!1;if(a.length>1)var g=new n(r);a.forEach(function(n){var c=n.url,u=n.start,f=n.end;i("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",c,e,t,r,u,f);var d={url:c,method:"GET",headers:{"user-agent":"WebTorrent (http://webtorrent.io)",range:"bytes="+u+"-"+f}};s.concat(d,function(e,t,r){if(!m){if(e)return m=!0,o(e);if(t.statusCode<200||t.statusCode>=300)return m=!0,o(new Error("Unexpected HTTP status code "+t.statusCode));if(i("Got data of length %d",r.length),1===a.length)return o(null,r);r.copy(g,n.fileOffsetInRange),++p===a.length&&o(null,g)}})})},r.prototype.destroy=function(){u.prototype.destroy.call(this),this._torrent=null}}).call(this,e("buffer").Buffer)},{bitfield:8,"bittorrent-protocol":9,buffer:23,debug:64,inherits:72,"simple-get":120,"simple-sha1":127}],7:[function(e,t,n){var r=/^\[?([^\]]+)\]?:(\d+)$/,o={},i=0;t.exports=function(e){if(1e5===i&&t.exports.reset(),!o[e]){var n=r.exec(e);if(!n)throw new Error("invalid addr: "+e);o[e]=[n[1],Number(n[2])],i+=1}return o[e]},t.exports.reset=function(){o={},i=0}},{}],8:[function(e,t,n){(function(e){function n(e,t){return this instanceof n?(0===arguments.length&&(e=0),this.grow=t&&(isFinite(t.grow)&&r(t.grow)||t.grow)||0,"number"!=typeof e&&void 0!==e||(e=new o(r(e)),e.fill&&!e._isBuffer&&e.fill(0)),void(this.buffer=e)):new n(e,t)}function r(e){var t=e>>3;return e%8!==0&&t++,t}var o="undefined"!=typeof e?e:"undefined"!=typeof Int8Array?Int8Array:function(e){for(var t=new Array(e),n=0;e>n;n++)t[n]=0};n.prototype.get=function(e){var t=e>>3;return t<this.buffer.length&&!!(this.buffer[t]&128>>e%8)},n.prototype.set=function(e,t){var n=e>>3;t||1===arguments.length?(this.buffer.length<n+1&&this._grow(Math.max(n+1,Math.min(2*this.buffer.length,this.grow))),this.buffer[n]|=128>>e%8):n<this.buffer.length&&(this.buffer[n]&=~(128>>e%8))},n.prototype._grow=function(e){if(this.buffer.length<e&&e<=this.grow){var t=new o(e);if(t.fill&&t.fill(0),this.buffer.copy)this.buffer.copy(t,0);else for(var n=0;n<this.buffer.length;n++)t[n]=this.buffer[n];this.buffer=t}},"undefined"!=typeof t&&(t.exports=n)}).call(this,e("buffer").Buffer)},{buffer:23}],9:[function(e,t,n){(function(n){function r(e,t,n,r){this.piece=e,this.offset=t,this.length=n,this.callback=r}function o(){return this instanceof o?(l.Duplex.call(this),this._debugId=f(32),this._debug("new wire"),this.peerId=null,this.peerIdBuffer=null,this.type=null,this.amChoking=!0,this.amInterested=!1,this.peerChoking=!0,this.peerInterested=!1,this.peerPieces=new a(0,{grow:p}),this.peerExtensions={},this.requests=[],this.peerRequests=[],this.extendedMapping={},this.peerExtendedMapping={},this.extendedHandshake={},this.peerExtendedHandshake={},this._ext={},this._nextExt=1,this.uploaded=0,this.downloaded=0,this.uploadSpeed=h(),this.downloadSpeed=h(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this.destroyed=!1,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this.on("finish",this._onFinish),void this._pars
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}},o.prototype._onClose=function(){var e=this;e.destroyed||(i("on close"),e._destroy())},o.prototype._onError=function(e){var t=this;t.destroyed||(i("error: %s",e.message||e),t._destroy(e))}}).call(this,e("_process"),e("buffer").Buffer)},{_process:31,buffer:23,debug:64,inherits:72,"readable-stream":99,ws:22}],21:[function(e,t,n){},{}],22:[function(e,t,n){arguments[4][21][0].apply(n,arguments)},{dup:21}],23:[function(e,t,n){(function(t){"use strict";function r(){try{var e=new Uint8Array(1);return e.foo=function(){return 42},42===e.foo()&&"function"==typeof e.subarray&&0===e.subarray(1,1).byteLength}catch(t){return!1}}function o(){return s.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function i(e,t){if(o()<t)throw new RangeError("Invalid typed array length");return s.TYPED_ARRAY_SUPPORT?(e=new Uint8Array(t),e.__proto__=s.prototype):(null===e&&(e=new s(t)),e.length=t),e}function s(e,t,n){if(!(s.TYPED_ARRAY_SUPPORT||this instanceof s))return new s(e,t,n);if("number"==typeof e){if("string"==typeof t)throw new Error("If encoding is specified then the first argument must be a string");return f(this,e)}return a(this,e,t,n)}function a(e,t,n,r){if("number"==typeof t)throw new TypeError('"value" argument must not be a number');return"undefined"!=typeof ArrayBuffer&&t instanceof ArrayBuffer?l(e,t,n,r):"string"==typeof t?d(e,t,n):p(e,t)}function c(e){if("number"!=typeof e)throw new TypeError('"size" argument must be a number')}function u(e,t,n,r){return c(t),0>=t?i(e,t):void 0!==n?"string"==typeof r?i(e,t).fill(n,r):i(e,t).fill(n):i(e,t)}function f(e,t){if(c(t),e=i(e,0>t?0:0|m(t)),!s.TYPED_ARRAY_SUPPORT)for(var n=0;t>n;n++)e[n]=0;return e}function d(e,t,n){if("string"==typeof n&&""!==n||(n="utf8"),!s.isEncoding(n))throw new TypeError('"encoding" must be a valid string encoding');var r=0|_(t,n);return e=i(e,r),e.write(t,n),e}function h(e,t){var n=0|m(t.length);e=i(e,n);for(var r=0;n>r;r+=1)e[r]=255&t[r];return e}function l(e,t,n,r){if(t.byteLength,0>n||t.byteLength<n)throw new RangeError("'offset' is out of bounds");if(t.byteLength<n+(r||0))throw new RangeError("'length' is out of bounds");return t=void 0===r?new Uint8Array(t,n):new Uint8Array(t,n,r),s.TYPED_ARRAY_SUPPORT?(e=t,e.__proto__=s.prototype):e=h(e,t),e}function p(e,t){if(s.isBuffer(t)){var n=0|m(t.length);return e=i(e,n),0===e.length?e:(t.copy(e,0,0,n),e)}if(t){if("undefined"!=typeof ArrayBuffer&&t.buffer instanceof ArrayBuffer||"length"in t)return"number"!=typeof t.length||K(t.length)?i(e,0):h(e,t);if("Buffer"===t.type&&Q(t.data))return h(e,t.data)}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function m(e){if(e>=o())throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+o().toString(16)+" bytes");return 0|e}function g(e){return+e!=e&&(e=0),s.alloc(+e)}function _(e,t){if(s.isBuffer(e))return e.length;if("undefined"!=typeof ArrayBuffer&&"function"==typeof ArrayBuffer.isView&&(ArrayBuffer.isView(e)||e instanceof ArrayBuffer))return e.byteLength;"string"!=typeof e&&(e=""+e);var n=e.length;if(0===n)return 0;for(var r=!1;;)switch(t){case"ascii":case"binary":case"raw":case"raws":return n;case"utf8":case"utf-8":case void 0:return F(e).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*n;case"hex":return n>>>1;case"base64":return G(e).length;default:if(r)return F(e).length;t=(""+t).toLowerCase(),r=!0}}function y(e,t,n){var r=!1;if((void 0===t||0>t)&&(t=0),t>this.length)return"";if((void 0===n||n>this.length)&&(n=this.length),0>=n)return"";if(n>>>=0,t>>>=0,t>=n)return"";for(e||(e="utf8");;)switch(e){case"hex":return R(this,t,n);case"utf8":case"utf-8":return A(this,t,n);case"ascii":return T(this,t,n);case"binary":return L(this,t,n);case"base64":return I(this,t,n);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return U(this,t,n);default:if(r)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase(),r=!0}}function v(e,t,n){var r=e[t];e[t]=e[n],e[n]=r}function b(e,t,n,r){function o(e,t){return 1===i?e[t]:e.readUInt16BE(t*i)}var i=1,s=e.length,a=t.length;if(void 0!==r&&(r=Stri
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var u=e.length;c>0&&u>c&&(u=c);for(var f=0;u>f;++f){var d,h,l,p,m=e[f].replace(a,"%20"),g=m.indexOf(n);g>=0?(d=m.substr(0,g),h=m.substr(g+1)):(d=m,h=""),l=decodeURIComponent(d),p=decodeURIComponent(h),r(s,l)?o(s[l])?s[l].push(p):s[l]=[s[l],p]:s[l]=p}return s};var o=Array.isArray||function(e){return"[object Array]"===Object.prototype.toString.call(e)}},{}],34:[function(e,t,n){"use strict";function r(e,t){if(e.map)return e.map(t);for(var n=[],r=0;r<e.length;r++)n.push(t(e[r],r));return n}var o=function(e){switch(typeof e){case"string":return e;case"boolean":return e?"true":"false";case"number":return isFinite(e)?e:"";default:return""}};t.exports=function(e,t,n,a){return t=t||"&",n=n||"=",null===e&&(e=void 0),"object"==typeof e?r(s(e),function(s){var a=encodeURIComponent(o(s))+n;return i(e[s])?r(e[s],function(e){return a+encodeURIComponent(o(e))}).join(t):a+encodeURIComponent(o(e[s]))}).join(t):a?encodeURIComponent(o(a))+n+encodeURIComponent(o(e)):""};var i=Array.isArray||function(e){return"[object Array]"===Object.prototype.toString.call(e)},s=Object.keys||function(e){var t=[];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.push(n);return t}},{}],35:[function(e,t,n){"use strict";n.decode=n.parse=e("./decode"),n.encode=n.stringify=e("./encode")},{"./decode":33,"./encode":34}],36:[function(e,t,n){(function(t){var r=e("./lib/request"),o=e("xtend"),i=e("builtin-status-codes"),s=e("url"),a=n;a.request=function(e,n){e="string"==typeof e?s.parse(e):o(e);var i=-1===t.location.protocol.search(/^https?:$/)?"http:":"",a=e.protocol||i,c=e.hostname||e.host,u=e.port,f=e.path||"/";c&&-1!==c.indexOf(":")&&(c="["+c+"]"),e.url=(c?a+"//"+c:"")+(u?":"+u:"")+f,e.method=(e.method||"GET").toUpperCase(),e.headers=e.headers||{};var d=new r(e);return n&&d.on("response",n),d},a.get=function(e,t){var n=a.request(e,t);return n.end(),n},a.Agent=function(){},a.Agent.defaultMaxSockets=4,a.STATUS_CODES=i,a.METHODS=["CHECKOUT","CONNECT","COPY","DELETE","GET","HEAD","LOCK","M-SEARCH","MERGE","MKACTIVITY","MKCOL","MOVE","NOTIFY","OPTIONS","PATCH","POST","PROPFIND","PROPPATCH","PURGE","PUT","REPORT","SEARCH","SUBSCRIBE","TRACE","UNLOCK","UNSUBSCRIBE"]}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./lib/request":38,"builtin-status-codes":40,url:42,xtend:145}],37:[function(e,t,n){(function(e){function t(e){try{return i.responseType=e,i.responseType===e}catch(t){}return!1}function r(e){return"function"==typeof e}n.fetch=r(e.fetch)&&r(e.ReadableByteStream),n.blobConstructor=!1;try{new Blob([new ArrayBuffer(1)]),n.blobConstructor=!0}catch(o){}var i=new e.XMLHttpRequest;i.open("GET",e.location.host?"/":"https://example.com");var s="undefined"!=typeof e.ArrayBuffer,a=s&&r(e.ArrayBuffer.prototype.slice);n.arraybuffer=s&&t("arraybuffer"),n.msstream=!n.fetch&&a&&t("ms-stream"),n.mozchunkedarraybuffer=!n.fetch&&s&&t("moz-chunked-arraybuffer"),n.overrideMimeType=r(i.overrideMimeType),n.vbArray=r(e.VBArray),i=null}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],38:[function(e,t,n){(function(n,r,o){function i(e){return a.fetch?"fetch":a.mozchunkedarraybuffer?"moz-chunked-arraybuffer":a.msstream?"ms-stream":a.arraybuffer&&e?"arraybuffer":a.vbArray&&e?"text:vbarray":"text"}function s(e){try{var t=e.status;return null!==t&&0!==t}catch(n){return!1}}var a=e("./capability"),c=e("inherits"),u=e("./response"),f=e("readable-stream"),d=e("to-arraybuffer"),h=u.IncomingMessage,l=u.readyStates,p=t.exports=function(e){var t=this;f.Writable.call(t),t._opts=e,t._body=[],t._headers={},e.auth&&t.setHeader("Authorization","Basic "+new o(e.auth).toString("base64")),Object.keys(e.headers).forEach(function(n){t.setHeader(n,e.headers[n])});var n;if("prefer-streaming"===e.mode)n=!1;else if("allow-wrong-content-type"===e.mode)n=!a.overrideMimeType;else{if(e.mode&&"default"!==e.mode&&"prefer-fast"!==e.mode)throw new Error("Invalid value for opts.mode");n=!0}t._mode=i(n),t.on("finish",function(){t._onFinish()})};c(p,f.Writable),p.prototype.setHead
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