Telegram Web, preconfigured for usage in I2P. http://web.telegram.i2p/
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/*!
* Webogram v0.1 - 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) {
var arr = [];
for (var i = 0; i < bytes.length; i++) {
arr.push((bytes[i] < 16 ? '0' : '') + bytes[i].toString(16));
}
return arr.join('');
}
function bytesFromHex (hexString) {
var len = hexString.length,
i,
bytes = [];
for (i = 0; i < len; i += 2) {
bytes.push(parseInt(hexString.substr(i, 2), 16));
}
return bytes;
}
function bytesToBase64 (bytes) {
var mod3, 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 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,
bytes = [];
for (var i = 0; i < len; ++i) {
bytes[i] = bytes1[i] ^ bytes2[i];
}
return bytes;
}
function bytesToWords (bytes) {
var len = bytes.length,
words = [];
for (var 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,
sigBytes = wordArray.sigBytes,
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();
while (!bytes[0] && (!len || bytes.length > len)) {
bytes = bytes.slice(1);
}
return bytes;
}
function bytesToArrayBuffer (b) {
return (new Uint8Array(b)).buffer;
}
function bytesFromArrayBuffer (buffer) {
var len = buffer.byteLength,
byteView = new Uint8Array(buffer),
bytes = [];
for (var i = 0; i < len; ++i) {
bytes[i] = byteView[i];
}
return bytes;
}
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 sha1Hash (bytes) {
// console.log('SHA-1 hash start');
var hashBytes = sha1.hash(bytes, true);
// console.log('SHA-1 hash finish');
return hashBytes;
}
function rsaEncrypt (publicKey, bytes) {
var needPadding = 255 - bytes.length;
if (needPadding > 0) {
var padding = new Array(needPadding);
(new SecureRandom()).nextBytes(padding);
bytes = bytes.concat(padding);
}
// console.log('RSA encrypt start');
var N = new BigInteger(publicKey.modulus, 16),
E = new BigInteger(publicKey.exponent, 16),
X = new BigInteger(bytes),
encryptedBigInt = X.modPowInt(E, N),
encryptedBytes = bytesFromBigInt(encryptedBigInt, 256);
// console.log('RSA encrypt finish');
return encryptedBytes;
}
function aesEncrypt (bytes, keyBytes, ivBytes) {
// console.log('AES encrypt start', bytes.length/*, bytesToHex(keyBytes), bytesToHex(ivBytes)*/);
var needPadding = 16 - (bytes.length % 16);
if (needPadding > 0 && needPadding < 16) {
var padding = new Array(needPadding);
(new SecureRandom()).nextBytes(padding);
bytes = bytes.concat(padding);
}
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('AES encrypt finish');
return encryptedBytes;
}
function aesDecrypt (encryptedBytes, keyBytes, ivBytes) {
// console.log('AES decrypt start', encryptedBytes.length/*, bytesToHex(keyBytes), bytesToHex(ivBytes)*/);
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('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) {
console.log('PQ start');
var what = new BigInteger(pqBytes),
g;
var it = 0;
for (var i = 0; i < 3; i++) {
var q = (nextRandomInt(128) & 15) + 17,
x = bigint(nextRandomInt(1000000000) + 1),
y = x.clone(),
lim = 1 << (i + 18);
for (var j = 1; j < lim; j++) {
++it;
var a = x.clone(),
b = x.clone(),
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;
}
console.log('PQ finish', it + ' iterations');
return [bytesFromBigInt(P), bytesFromBigInt(Q)];
}
function TLSerialization (options) {
options = options || {};
this.maxLength = options.startMaxLength || 2048; // 2Kb
this.offset = 0; // in bytes
this.createBuffer();
// this.debug = options.debug !== undefined ? options.debug : window._debugMode;
this.mtproto = options.mtproto || false;
return this;
}
TLSerialization.prototype.createBuffer = function () {
this.buffer = new ArrayBuffer(this.maxLength);
this.intView = new Int32Array(this.buffer);
this.byteView = new Uint8Array(this.buffer);
};
TLSerialization.prototype.getArray = function () {
var resultBuffer = new ArrayBuffer(this.offset);
var resultArray = new Int32Array(resultBuffer);
resultArray.set(this.intView.subarray(0, this.offset / 4));
return resultArray;
};
TLSerialization.prototype.getBuffer = function () {
return this.getArray().buffer;
};
TLSerialization.prototype.getBytes = function () {
var bytes = [];
for (var i = 0; i < this.offset; i++) {
bytes.push(this.byteView[i]);
}
return bytes;
};
TLSerialization.prototype.checkLength = function (needBytes) {
if (this.offset + needBytes < this.maxLength) {
return;
}
console.log('Increase buffer', this.offset, needBytes, this.maxLength);
console.trace();
this.maxLength = Math.max(this.maxLength * 2, this.offset + needBytes + 16);
var previousBuffer = this.buffer,
previousArray = new Int32Array(previousBuffer);
this.createBuffer();
new Int32Array(this.buffer).set(previousArray);
};
TLSerialization.prototype.writeInt = function (i, field) {
this.debug && console.log('>>>', i.toString(16), i, field);
this.checkLength(4);
this.intView[this.offset / 4] = i;
this.offset += 4;
};
TLSerialization.prototype.storeInt = function (i, field) {
this.writeInt(i, (field || '') + ':int');
};
TLSerialization.prototype.storeBool = function (i, field) {
if (i) {
this.writeInt(0x997275b5, (field || '') + ':bool');
} else {
this.writeInt(0xbc799737, (field || '') + ':bool');
}
};
TLSerialization.prototype.storeLongP = function (iHigh, iLow, field) {
this.writeInt(iLow, (field || '') + ':long[low]');
this.writeInt(iHigh, (field || '') + ':long[high]');
};
TLSerialization.prototype.storeLong = function (sLong, field) {
if (angular.isArray(sLong)) {
if (sLong.length == 2) {
return this.storeLongP(sLong[0], sLong[1], field);
} else {
return this.storeIntBytes(sLong, 64, field);
}
}
var divRem = bigStringInt(sLong).divideAndRemainder(bigint(0x100000000));
this.writeInt(intToUint(divRem[1].intValue()), (field || '') + ':long[low]');
this.writeInt(intToUint(divRem[0].intValue()), (field || '') + ':long[high]');
};
TLSerialization.prototype.storeDouble = function (f) {
var buffer = new ArrayBuffer(8);
var intView = new Int32Array(buffer);
var doubleView = new Float64Array(buffer);
doubleView[0] = f;
this.writeInt(intView[0], (field || '') + ':double[low]');
this.writeInt(intView[1], (field || '') + ':double[high]');
};
TLSerialization.prototype.storeString = function (s, field) {
this.debug && console.log('>>>', s, (field || '') + ':string');
var sUTF8 = unescape(encodeURIComponent(s));
this.checkLength(sUTF8.length + 8);
var len = sUTF8.length;
if (len <= 253) {
this.byteView[this.offset++] = len;
} else {
this.byteView[this.offset++] = 254;
this.byteView[this.offset++] = len & 0xFF;
this.byteView[this.offset++] = (len & 0xFF00) >> 8;
this.byteView[this.offset++] = (len & 0xFF0000) >> 16;
}
for (var i = 0; i < len; i++) {
this.byteView[this.offset++] = sUTF8.charCodeAt(i);
}
// Padding
while (this.offset % 4) {
this.byteView[this.offset++] = 0;
}
}
TLSerialization.prototype.storeBytes = function (bytes, field) {
this.debug && console.log('>>>', bytesToHex(bytes), (field || '') + ':bytes');
this.checkLength(bytes.length + 8);
var len = bytes.length;
if (len <= 253) {
this.byteView[this.offset++] = len;
} else {
this.byteView[this.offset++] = 254;
this.byteView[this.offset++] = len & 0xFF;
this.byteView[this.offset++] = (len & 0xFF00) >> 8;
this.byteView[this.offset++] = (len & 0xFF0000) >> 16;
}
for (var i = 0; i < len; i++) {
this.byteView[this.offset++] = bytes[i];
}
// Padding
while (this.offset % 4) {
this.byteView[this.offset++] = 0;
}
}
TLSerialization.prototype.storeIntBytes = function (bytes, bits, field) {
var len = bytes.length;
if ((bits % 32) || (len * 8) != bits) {
throw new Error('Invalid bits: ' + bits + ', ' + bytes.length);
}
this.debug && console.log('>>>', bytesToHex(bytes), (field || '') + ':int' + bits);
this.checkLength(len);
for (var i = 0; i < len; i++) {
this.byteView[this.offset++] = bytes[i];
}
};
TLSerialization.prototype.storeRawBytes = function (bytes, field) {
var len = bytes.length;
this.debug && console.log('>>>', bytesToHex(bytes), (field || ''));
this.checkLength(len);
for (var i = 0; i < len; i++) {
this.byteView[this.offset++] = bytes[i];
}
};
TLSerialization.prototype.storeMethod = function (methodName, params) {
var schema = this.mtproto ? Config.Schema.MTProto : Config.Schema.API,
methodData = false,
i;
for (i = 0; i < schema.methods.length; i++) {
if (schema.methods[i].method == methodName) {
methodData = schema.methods[i];
break
}
}
if (!methodData) {
throw new Error('No method ' + methodName + ' found');
}
this.storeInt(intToUint(methodData.id), methodName + '[id]');
var self = this;
angular.forEach(methodData.params, function (param) {
self.storeObject(params[param.name], param.type, methodName + '[' + param.name + ']');
});
};
TLSerialization.prototype.storeObject = function (obj, type, field) {
switch (type) {
case 'int': return this.storeInt(obj, field);
case 'long': return this.storeLong(obj, field);
case 'int128': return this.storeIntBytes(obj, 128, field);
case 'int256': return this.storeIntBytes(obj, 256, field);
case 'int512': return this.storeIntBytes(obj, 512, field);
case 'string': return this.storeString(obj, field);
case 'bytes': return this.storeBytes(obj, field);
case 'double': return this.storeDouble(obj, field);
case 'Bool': return this.storeBool(obj, field);
}
if (angular.isArray(obj)) {
if (type.substr(0, 6) == 'Vector') {
this.writeInt(0x1cb5c415, field + '[id]');
}
else if (type.substr(0, 6) != 'vector') {
throw new Error('Invalid vector type ' + type);
}
var itemType = type.substr(7, type.length - 8); // for "Vector<itemType>"
this.writeInt(obj.length, field + '[count]');
for (var i = 0; i < obj.length; i++) {
this.storeObject(obj[i], itemType, field + '[' + i + ']');
}
return true;
}
else if (type.substr(0, 6).toLowerCase() == 'vector') {
throw new Error('Invalid vector object');
}
if (!angular.isObject(obj)) {
throw new Error('Invalid object for type ' + type);
}
var schema = this.mtproto ? Config.Schema.MTProto : Config.Schema.API,
predicate = obj['_'],
isBare = false,
constructorData = false,
i;
if (isBare = (type.charAt(0) == '%')) {
type = type.substr(1);
}
for (i = 0; i < schema.constructors.length; i++) {
if (schema.constructors[i].predicate == predicate) {
constructorData = schema.constructors[i];
break
}
}
if (!constructorData) {
throw new Error('No predicate ' + predicate + ' found');
}
if (predicate == type) {
isBare = true;
}
if (!isBare) {
this.writeInt(intToUint(constructorData.id), field + '[' + predicate + '][id]');
}
var self = this;
angular.forEach(constructorData.params, function (param) {
self.storeObject(obj[param.name], param.type, field + '[' + predicate + '][' + param.name + ']');
});
};
function TLDeserialization (buffer, options) {
options = options || {};
this.offset = 0; // in bytes
this.buffer = buffer;
this.intView = new Uint32Array(this.buffer);
this.byteView = new Uint8Array(this.buffer);
// this.debug = options.debug !== undefined ? options.debug : window._debugMode;
this.mtproto = options.mtproto || false;
return this;
}
TLDeserialization.prototype.readInt = function (field) {
if (this.offset >= this.intView.length * 4) {
throw new Error('Nothing to fetch');
}
var i = this.intView[this.offset / 4];
this.debug && console.log('<<<', i.toString(16), i, field);
this.offset += 4;
return i;
};
TLDeserialization.prototype.fetchInt = function (field) {
return this.readInt((field || '') + ':int');
}
TLDeserialization.prototype.fetchDouble = function (field) {
var buffer = new ArrayBuffer(8);
var intView = new Int32Array(buffer);
var doubleView = new Float64Array(buffer);
intView[0] = this.readInt((field || '') + ':double[low]'),
intView[1] = this.readInt((field || '') + ':double[high]');
return doubleView[0];
};
TLDeserialization.prototype.fetchLong = function (field) {
var iLow = this.readInt((field || '') + ':long[low]'),
iHigh = this.readInt((field || '') + ':long[high]');
var longDec = bigint(iHigh).shiftLeft(32).add(bigint(iLow)).toString();
return longDec;
}
TLDeserialization.prototype.fetchBool = function (field) {
var i = this.readInt((field || '') + ':bool');
if (i == 0x997275b5) {
return true;
} else if (i == 0xbc799737) {
return false
}
throw new Error('Unknown Bool constructor ' + i);
}
TLDeserialization.prototype.fetchString = function (field) {
var len = this.byteView[this.offset++];
if (len == 254) {
var len = this.byteView[this.offset++] |
(this.byteView[this.offset++] << 8) |
(this.byteView[this.offset++] << 16);
}
var sUTF8 = '';
for (var i = 0; i < len; i++) {
sUTF8 += String.fromCharCode(this.byteView[this.offset++]);
}
// Padding
while (this.offset % 4) {
this.offset++;
}
try {
var s = decodeURIComponent(escape(sUTF8));
} catch (e) {
var s = sUTF8;
}
this.debug && console.log('<<<', s, (field || '') + ':string');
return s;
}
TLDeserialization.prototype.fetchBytes = function (field) {
var len = this.byteView[this.offset++];
if (len == 254) {
var len = this.byteView[this.offset++] |
(this.byteView[this.offset++] << 8) |
(this.byteView[this.offset++] << 16);
}
var bytes = [];
for (var i = 0; i < len; i++) {
bytes.push(this.byteView[this.offset++]);
}
// Padding
while (this.offset % 4) {
this.offset++;
}
this.debug && console.log('<<<', bytesToHex(bytes), (field || '') + ':bytes');
return bytes;
}
TLDeserialization.prototype.fetchIntBytes = function (bits, field) {
if (bits % 32) {
throw new Error('Invalid bits: ' + bits);
}
var len = bits / 8;
var bytes = [];
for (var i = 0; i < len; i++) {
bytes.push(this.byteView[this.offset++]);
}
this.debug && console.log('<<<', bytesToHex(bytes), (field || '') + ':int' + bits);
return bytes;
};
TLDeserialization.prototype.fetchRawBytes = function (len, field) {
if (len === false) {
len = this.readInt((field || '') + '_length');
}
var bytes = [];
for (var i = 0; i < len; i++) {
bytes.push(this.byteView[this.offset++]);
}
this.debug && console.log('<<<', bytesToHex(bytes), (field || ''));
return bytes;
};
TLDeserialization.prototype.fetchObject = function (type, field) {
switch (type) {
case 'int': return this.fetchInt(field);
case 'long': return this.fetchLong(field);
case 'int128': return this.fetchIntBytes(128, field);
case 'int256': return this.fetchIntBytes(256, field);
case 'int512': return this.fetchIntBytes(512, field);
case 'string': return this.fetchString(field);
case 'bytes': return this.fetchBytes(field);
case 'double': return this.fetchDouble(field);
case 'Bool': return this.fetchBool(field);
}
field = field || type || 'Object';
if (type.substr(0, 6) == 'Vector' || type.substr(0, 6) == 'vector') {
if (type.charAt(0) == 'V') {
var constructor = this.readInt(field + '[id]');
if (constructor != 0x1cb5c415) {
throw new Error('Invalid vector constructor ' + constructor);
}
}
var len = this.readInt(field + '[count]');
var result = [];
if (len > 0) {
var itemType = type.substr(7, type.length - 8); // for "Vector<itemType>"
for (var i = 0; i < len; i++) {
result.push(this.fetchObject(itemType, field + '[' + i + ']'))
}
}
return result;
}
var schema = this.mtproto ? Config.Schema.MTProto : Config.Schema.API,
predicate = false,
constructorData = false;
if (type.charAt(0) == '%') {
var checkType = type.substr(1);
for (i = 0; i < schema.constructors.length; i++) {
if (schema.constructors[i].type == checkType) {
constructorData = schema.constructors[i];
break
}
}
if (!constructorData) {
throw new Error('Constructor not found for type: ' + type);
}
}
else if (type.charAt(0) >= 97 && type.charAt(0) <= 122) {
for (i = 0; i < schema.constructors.length; i++) {
if (schema.constructors[i].predicate == type) {
constructorData = schema.constructors[i];
break
}
}
if (!constructorData) {
throw new Error('Constructor not found for predicate: ' + type);
}
}
else {
var constructor = this.readInt(field + '[id]'),
constructorCmp = uintToInt(constructor);
if (constructorCmp == 0x3072cfa1) { // Gzip packed
var compressed = this.fetchBytes(field + '[packed_string]'),
uncompressed = gzipUncompress(compressed),
buffer = bytesToArrayBuffer(uncompressed),
newDeserializer = (new TLDeserialization(buffer));
return newDeserializer.fetchObject(type, field);
}
for (i = 0; i < schema.constructors.length; i++) {
if (schema.constructors[i].id == constructorCmp) {
constructorData = schema.constructors[i];
break;
}
}
var fallback = false;
if (!constructorData && this.mtproto) {
var schemaFallback = Config.Schema.API;
for (i = 0; i < schemaFallback.constructors.length; i++) {
if (schemaFallback.constructors[i].id == constructorCmp) {
constructorData = schemaFallback.constructors[i];
delete this.mtproto;
fallback = true;
break;
}
}
}
if (!constructorData) {
throw new Error('Constructor not found: ' + constructor);
}
}
predicate = constructorData.predicate;
var result = {'_': predicate};
var self = this;
angular.forEach(constructorData.params, function (param) {
result[param.name] = self.fetchObject(param.type, field + '[' + predicate + '][' + param.name + ']');
});
if (fallback) {
this.mtproto = true;
}
return result;
};
TLDeserialization.prototype.getOffset = function () {
return this.offset;
};
TLDeserialization.prototype.fetchEnd = function () {
if (this.offset != this.byteView.length) {
throw new Error('Fetch end with non-empty buffer');
}
return true;
};
if (typeof angular != 'undefined') angular.module('mtproto.services', ['myApp.services']).
factory('MtpDcConfigurator', function () {
var dcOptions = window._testMode
? [
{id: 1, host: '173.240.5.253', port: 80},
{id: 2, host: '95.142.192.65', port: 80},
{id: 3, host: '174.140.142.5', port: 80}
]
: [
{id: 1, host: '173.240.5.1', port: 80},
{id: 2, host: '95.142.192.66', port: 80},
{id: 3, host: '174.140.142.6', port: 80},
{id: 4, host: '31.210.235.12', port: 80},
{id: 5, host: '116.51.22.2', port: 80},
];
var chosenServers = {};
function chooseServer(dcID) {
if (chosenServers[dcID] === undefined) {
var chosenServer = false,
i, dcOption;
for (i = 0; i < dcOptions.length; i++) {
dcOption = dcOptions[i];
if (dcOption.id == dcID) {
chosenServer = dcOption.host + ':' + dcOption.port;
}
}
chosenServers[dcID] = chosenServer;
}
return chosenServers[dcID];
}
return {
chooseServer: chooseServer
};
}).
factory('MtpRsaKeysManager', function () {
/**
* Server public key, obtained from here: https://core.telegram.org/api/obtaining_api_id
*
* -----BEGIN RSA PUBLIC KEY-----
* MIIBCgKCAQEAwVACPi9w23mF3tBkdZz+zwrzKOaaQdr01vAbU4E1pvkfj4sqDsm6
* lyDONS789sVoD/xCS9Y0hkkC3gtL1tSfTlgCMOOul9lcixlEKzwKENj1Yz/s7daS
* an9tqw3bfUV/nqgbhGX81v/+7RFAEd+RwFnK7a+XYl9sluzHRyVVaTTveB2GazTw
* Efzk2DWgkBluml8OREmvfraX3bkHZJTKX4EQSjBbbdJ2ZXIsRrYOXfaA+xayEGB+
* 8hdlLmAjbCVfaigxX0CDqWeR1yFL9kwd9P0NsZRPsmoqVwMbMu7mStFai6aIhc3n
* Slv8kg9qv1m6XHVQY3PnEw+QQtqSIXklHwIDAQAB
* -----END RSA PUBLIC KEY-----
*/
var publisKeysHex = [{
modulus: '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',
exponent: '010001'
}];
var publicKeysParsed = {};
var prepared = false;
function prepareRsaKeys () {
if (prepared) {
return;
}
for (var i = 0; i < publisKeysHex.length; i++) {
var keyParsed = publisKeysHex[i];
var RSAPublicKey = new TLSerialization();
RSAPublicKey.storeBytes(bytesFromHex(keyParsed.modulus), 'n');
RSAPublicKey.storeBytes(bytesFromHex(keyParsed.exponent), 'e');
var buffer = RSAPublicKey.getBuffer();
var fingerprintBytes = sha1Hash(buffer).slice(-8);
fingerprintBytes.reverse();
var fingerprint = new BigInteger(fingerprintBytes).toString(16);
publicKeysParsed[fingerprint] = {
modulus: keyParsed.modulus,
exponent: keyParsed.exponent
};
}
prepared = true;
};
function selectRsaKeyByFingerPrint (fingerprints) {
prepareRsaKeys();
var fingerprintHex, foundKey, i;
for (i = 0; i < fingerprints.length; i++) {
fingerprintHex = bigStringInt(fingerprints[i]).toString(16);
if (foundKey = publicKeysParsed[fingerprintHex]) {
return angular.extend({fingerprint: fingerprints[i]}, foundKey);
}
}
return false;
};
return {
prepare: prepareRsaKeys,
select: selectRsaKeyByFingerPrint
};
}).
service('MtpSecureRandom', SecureRandom).
factory('MtpMessageIdGenerator', function (AppConfigManager) {
var lastMessageID = [0, 0],
timeOffset = 0;
AppConfigManager.get('server_time_offset').then(function (to) {
if (to) {
timeOffset = to;
}
});
function generateMessageID () {
var timeTicks = tsNow(),
timeSec = Math.floor(timeTicks / 1000) + timeOffset,
timeMSec = timeTicks % 1000,
random = nextRandomInt(0xFFFF);
var messageID = [timeSec, (timeMSec << 21) | (random << 3) | 4];
if (lastMessageID[0] > messageID[0] ||
lastMessageID[0] == messageID[0] && lastMessageID[1] >= messageID[1]) {
messageID = [lastMessageID[0], lastMessageID[1] + 4];
}
lastMessageID = messageID;
// console.log('generated msg id', messageID);
return longFromInts(messageID[0], messageID[1]);
};
function applyServerTime (serverTime, localTime) {
var newTimeOffset = serverTime - Math.floor((localTime || tsNow()) / 1000),
changed = Math.abs(timeOffset - newTimeOffset) > 10;
AppConfigManager.set({server_time_offset: newTimeOffset});
lastMessageID = [0, 0];
timeOffset = newTimeOffset;
console.log('Apply server time', serverTime, localTime, newTimeOffset, changed);
return changed;
};
return {
generateID: generateMessageID,
applyServerTime: applyServerTime
};
}).
factory('MtpAuthorizer', function (MtpDcConfigurator, MtpRsaKeysManager, MtpSecureRandom, MtpMessageIdGenerator, $http, $q, $timeout) {
function mtpSendPlainRequest (dcID, requestBuffer) {
var requestLength = requestBuffer.byteLength,
requestArray = new Int32Array(requestBuffer);
var header = new TLSerialization();
header.storeLongP(0, 0, 'auth_key_id'); // Auth key
header.storeLong(MtpMessageIdGenerator.generateID(), 'msg_id'); // Msg_id
header.storeInt(requestLength, 'request_length');
var headerBuffer = header.getBuffer(),
headerArray = new Int32Array(headerBuffer),
headerLength = headerBuffer.byteLength;
var resultBuffer = new ArrayBuffer(headerLength + requestLength),
resultArray = new Int32Array(resultBuffer);
resultArray.set(headerArray);
resultArray.set(requestArray, headerArray.length);
delete $http.defaults.headers.post['Content-Type'];
delete $http.defaults.headers.common['Accept'];
return $http.post('http://' + MtpDcConfigurator.chooseServer(dcID) + '/apiw1', resultArray, {
responseType: 'arraybuffer',
transformRequest: null,
transformResponse: function (responseBuffer) {
var deserializer = new TLDeserialization(responseBuffer, {mtproto: true});
var auth_key_id = deserializer.fetchLong('auth_key_id');
var msg_id = deserializer.fetchLong('msg_id');
var msg_len = deserializer.fetchInt('msg_len');
rng_seed_time();
return deserializer;
}
});
};
function mtpSendReqPQ (auth) {
var deferred = auth.deferred;
var request = new TLSerialization({mtproto: true});
request.storeMethod('req_pq', {nonce: auth.nonce});
console.log('Send req_pq', bytesToHex(auth.nonce));
mtpSendPlainRequest(auth.dcID, request.getBuffer()).then(function (result) {
var deserializer = result.data;
var response = deserializer.fetchObject('ResPQ');
if (response._ != 'resPQ') {
throw new Error('resPQ response invalid: ' + response._);
}
if (!bytesCmp (auth.nonce, response.nonce)) {
throw new Error('resPQ nonce mismatch');
}
auth.serverNonce = response.server_nonce;
auth.pq = response.pq;
auth.fingerprints = response.server_public_key_fingerprints;
console.log('Got ResPQ', bytesToHex(auth.serverNonce), bytesToHex(auth.pq), auth.fingerprints);
auth.publicKey = MtpRsaKeysManager.select(auth.fingerprints);
if (!auth.publicKey) {
throw new Error('No public key found');
}
console.log('PQ factorization start');
if (!!window.Worker) {
var worker = new Worker('js/lib/pq_worker.js?1');
worker.onmessage = function (e) {
auth.p = e.data[0];
auth.q = e.data[1];
mtpSendReqDhParams(auth);
};
worker.onerror = function(error) {
console.log('Worker error', error, error.stack);
deferred.reject(error);
};
worker.postMessage(auth.pq)
} else {
var pAndQ = pqPrimeFactorization(auth.pq);
auth.p = pAndQ[0];
auth.q = pAndQ[1];
mtpSendReqDhParams(auth);
}
}, function (error) {
deferred.reject(error);
});
$timeout(function () {
MtpRsaKeysManager.prepare();
});
};
function mtpSendReqDhParams (auth) {
var deferred = auth.deferred;
auth.newNonce = new Array(32);
MtpSecureRandom.nextBytes(auth.newNonce);
var data = new TLSerialization({mtproto: true});
data.storeObject({
_: 'p_q_inner_data',
pq: auth.pq,
p: auth.p,
q: auth.q,
nonce: auth.nonce,
server_nonce: auth.serverNonce,
new_nonce: auth.newNonce
}, 'P_Q_inner_data', 'DECRYPTED_DATA');
var dataWithHash = sha1Hash(data.getBuffer()).concat(data.getBytes());
var request = new TLSerialization({mtproto: true});
request.storeMethod('req_DH_params', {
nonce: auth.nonce,
server_nonce: auth.serverNonce,
p: auth.p,
q: auth.q,
public_key_fingerprint: auth.publicKey.fingerprint,
encrypted_data: rsaEncrypt(auth.publicKey, dataWithHash)
});
console.log('Send req_DH_params');
mtpSendPlainRequest(auth.dcID, request.getBuffer()).then(function (result) {
var deserializer = result.data;
var response = deserializer.fetchObject('Server_DH_Params', 'RESPONSE');
if (response._ != 'server_DH_params_fail' && response._ != 'server_DH_params_ok') {
deferred.reject(new Error('Server_DH_Params response invalid: ' + response._));
return false;
}
if (!bytesCmp (auth.nonce, response.nonce)) {
deferred.reject(new Error('Server_DH_Params nonce mismatch'));
return false;
}
if (!bytesCmp (auth.serverNonce, response.server_nonce)) {
deferred.reject(new Error('Server_DH_Params server_nonce mismatch'));
return false;
}
if (response._ == 'server_DH_params_fail') {
var newNonceHash = sha1Hash(auth.newNonce).slice(-16)
if (!bytesCmp (newNonceHash, response.new_nonce_hash)) {
deferred.reject(new Error('server_DH_params_fail new_nonce_hash mismatch'));
return false;
}
deferred.reject(new Error('server_DH_params_fail'));
return false;
}
try {
mtpDecryptServerDhDataAnswer(auth, response.encrypted_answer);
} catch (e) {
deferred.reject(e);
return false;
}
mtpSendSetClientDhParams(auth);
}, function (error) {
deferred.reject(error);
});
};
function mtpDecryptServerDhDataAnswer (auth, encryptedAnswer) {
auth.localTime = tsNow();
auth.tmpAesKey = sha1Hash(auth.newNonce.concat(auth.serverNonce)).concat(sha1Hash(auth.serverNonce.concat(auth.newNonce)).slice(0, 12));
auth.tmpAesIv = sha1Hash(auth.serverNonce.concat(auth.newNonce)).slice(12).concat(sha1Hash([].concat(auth.newNonce, auth.newNonce)), auth.newNonce.slice(0, 4));
var answerWithHash = aesDecrypt(encryptedAnswer, auth.tmpAesKey, auth.tmpAesIv);
var hash = answerWithHash.slice(0, 20);
var answerWithPadding = answerWithHash.slice(20);
var buffer = bytesToArrayBuffer(answerWithPadding);
var deserializer = new TLDeserialization(buffer, {mtproto: true});
var response = deserializer.fetchObject('Server_DH_inner_data');
if (response._ != 'server_DH_inner_data') {
throw new Error('server_DH_inner_data response invalid: ' + constructor);
}
if (!bytesCmp (auth.nonce, response.nonce)) {
throw new Error('server_DH_inner_data nonce mismatch');
}
if (!bytesCmp (auth.serverNonce, response.server_nonce)) {
throw new Error('server_DH_inner_data serverNonce mismatch');
}
console.log('Done decrypting answer');
auth.g = response.g;
auth.dhPrime = response.dh_prime;
auth.gA = response.g_a;
auth.serverTime = response.server_time;
auth.retry = 0;
var offset = deserializer.getOffset();
if (!bytesCmp(hash, sha1Hash(answerWithPadding.slice(0, offset)))) {
throw new Error('server_DH_inner_data SHA1-hash mismatch');
}
MtpMessageIdGenerator.applyServerTime(auth.serverTime, auth.localTime);
};
function mtpSendSetClientDhParams(auth) {
var deferred = auth.deferred;
auth.b = new Array(256);
MtpSecureRandom.nextBytes(auth.b);
var bBigInt = new BigInteger(auth.b);
var dhPrimeBigInt = new BigInteger(auth.dhPrime);
var gB = bytesFromBigInt(bigint(auth.g).modPow(bBigInt, dhPrimeBigInt));
var data = new TLSerialization({mtproto: true});
data.storeObject({
_: 'client_DH_inner_data',
nonce: auth.nonce,
server_nonce: auth.serverNonce,
retry_id: [0, auth.retry++],
g_b: gB,
}, 'Client_DH_Inner_Data');
var dataWithHash = sha1Hash(data.getBuffer()).concat(data.getBytes());
var encryptedData = aesEncrypt(dataWithHash, auth.tmpAesKey, auth.tmpAesIv);
var request = new TLSerialization({mtproto: true});
request.storeMethod('set_client_DH_params', {
nonce: auth.nonce,
server_nonce: auth.serverNonce,
encrypted_data: encryptedData
});
console.log('Send set_client_DH_params');
mtpSendPlainRequest(auth.dcID, request.getBuffer()).then(function (result) {
var deserializer = result.data;
var response = deserializer.fetchObject('Set_client_DH_params_answer');
if (response._ != 'dh_gen_ok' && response._ != 'dh_gen_retry' && response._ != 'dh_gen_fail') {
deferred.reject(new Error('Set_client_DH_params_answer response invalid: ' + response._));
return false;
}
if (!bytesCmp (auth.nonce, response.nonce)) {
deferred.reject(new Error('Set_client_DH_params_answer nonce mismatch'));
return false
}
if (!bytesCmp (auth.serverNonce, response.server_nonce)) {
deferred.reject(new Error('Set_client_DH_params_answer server_nonce mismatch'));
return false;
}
var bBigInt = new BigInteger(auth.b);
var dhPrimeBigInt = new BigInteger(auth.dhPrime);
var authKey = bytesFromBigInt((new BigInteger(auth.gA)).modPow(bBigInt, dhPrimeBigInt)),
authKeyHash = sha1Hash(authKey),
authKeyAux = authKeyHash.slice(0, 8),
authKeyID = authKeyHash.slice(-8);
console.log('Got Set_client_DH_params_answer', response._);
switch (response._) {
case 'dh_gen_ok':
var newNonceHash1 = sha1Hash(auth.newNonce.concat([1], authKeyAux)).slice(-16);
if (!bytesCmp(newNonceHash1, response.new_nonce_hash1)) {
deferred.reject(new Error('Set_client_DH_params_answer new_nonce_hash1 mismatch'));
return false;
}
var serverSalt = bytesXor(auth.newNonce.slice(0, 8), auth.serverNonce.slice(0, 8));
// console.log('Auth successfull!', authKeyID, authKey, serverSalt);
auth.authKeyID = authKeyID;
auth.authKey = authKey;
auth.serverSalt = serverSalt;
deferred.resolve(auth);
break;
case 'dh_gen_retry':
var newNonceHash2 = sha1Hash(auth.newNonce.concat([2], authKeyAux)).slice(-16);
if (!bytesCmp(newNonceHash2, response.new_nonce_hash2)) {
deferred.reject(new Error('Set_client_DH_params_answer new_nonce_hash2 mismatch'));
return false;
}
return mtpSendSetClientDhParams(auth);
case 'dh_gen_fail':
var newNonceHash3 = sha1Hash(auth.newNonce.concat([3], authKeyAux)).slice(-16);
if (!bytesCmp(newNonceHash3, response.new_nonce_hash3)) {
deferred.reject(new Error('Set_client_DH_params_answer new_nonce_hash3 mismatch'));
return false;
}
deferred.reject(new Error('Set_client_DH_params_answer fail'));
return false;
}
}, function (error) {
deferred.reject(error);
});
};
var cached = {};
function mtpAuth (dcID) {
if (cached[dcID] !== undefined) {
return cached[dcID];
}
var nonce = [];
for (var i = 0; i < 16; i++) {
nonce.push(nextRandomInt(0xFF));
}
if (!MtpDcConfigurator.chooseServer(dcID)) {
return $q.reject(new Error('No server found for dc ' + dcID));
}
var auth = {
dcID: dcID,
nonce: nonce,
deferred: $q.defer()
};
$timeout(function () {
mtpSendReqPQ(auth);
});
return cached[dcID] = auth.deferred.promise;
};
return {
auth: mtpAuth
};
}).
factory('MtpAesService', function ($q) {
if (!window.Worker/* || true*/) {
return {
encrypt: function (bytes, keyBytes, ivBytes) {
return $q.when(aesEncrypt(bytes, keyBytes, ivBytes));
},
decrypt: function (encryptedBytes, keyBytes, ivBytes) {
return $q.when(aesDecrypt(encryptedBytes, keyBytes, ivBytes));
}
};
}
var worker = new Worker('js/lib/aes_worker.js?2'),
taskID = 0,
awaiting = {};
worker.onmessage = function (e) {
var deferred = awaiting[e.data.taskID];
if (deferred !== undefined) {
deferred.resolve(e.data.result);
delete awaiting[e.data.taskID];
}
// console.log('AES worker message', e.data, deferred);
};
worker.onerror = function(error) {
console.log('AES Worker error', error, error.stack);
};
return {
encrypt: function (bytes, keyBytes, ivBytes) {
var deferred = $q.defer();
awaiting[taskID] = deferred;
// console.log('AES post message', {taskID: taskID, task: 'encrypt', bytes: bytes, keyBytes: keyBytes, ivBytes: ivBytes})
worker.postMessage({taskID: taskID, task: 'encrypt', bytes: bytes, keyBytes: keyBytes, ivBytes: ivBytes});
taskID++
return deferred.promise;
},
decrypt: function (encryptedBytes, keyBytes, ivBytes) {
var deferred = $q.defer();
awaiting[taskID] = deferred;
worker.postMessage({taskID: taskID, task: 'decrypt', encryptedBytes: encryptedBytes, keyBytes: keyBytes, ivBytes: ivBytes});
taskID++;
return deferred.promise;
}
}
}).
factory('MtpSha1Service', function ($q) {
if (!window.Worker/* || true*/) {
return {
hash: function (bytes) {
return $q.when(sha1Hash(bytes));
}
};
}
var worker = new Worker('js/lib/sha1_worker.js?2'),
taskID = 0,
awaiting = {};
worker.onmessage = function (e) {
var deferred = awaiting[e.data.taskID];
if (deferred !== undefined) {
deferred.resolve(e.data.result);
delete awaiting[e.data.taskID];
}
// console.log('sha1 got message', e.data, deferred);
};
worker.onerror = function(error) {
console.log('SHA-1 Worker error', error, error.stack);
};
return {
hash: function (bytes) {
var deferred = $q.defer();
awaiting[taskID] = deferred;
// console.log(11, taskID, bytes);
worker.postMessage({taskID: taskID, bytes: bytes});
taskID++;
return deferred.promise;
}
}
}).
factory('MtpNetworkerFactory', function (MtpDcConfigurator, MtpMessageIdGenerator, MtpSecureRandom, MtpSha1Service, MtpAesService, AppConfigManager, $http, $q, $timeout, $interval) {
var updatesProcessor;
function MtpNetworker(dcID, authKey, serverSalt) {
this.dcID = dcID;
this.authKey = authKey;
this.authKeyID = sha1Hash(authKey).slice(-8);
this.serverSalt = serverSalt;
// if (1 == dcID) {
// var self = this;
// (function () {
// console.log('update server salt');
// self.serverSalt = [0,0,0,0,0,0,0,0];
// $timeout(arguments.callee, nextRandomInt(2000, 12345));
// })();
// }
this.updateSession();
this.currentRequests = 0;
this.sentMessages = {};
this.serverMessages = [];
this.clientMessages = [];
this.pendingMessages = {};
this.pendingAcks = [];
this.pendingResends = [];
this.connectionInited = false;
this.pendingTimeouts = [];
this.longPollInt = $interval(this.checkLongPoll.bind(this), 10000);
this.checkLongPoll();
};
MtpNetworker.prototype.updateSession = function (updateMessageID) {
console.log('Update session');
this.seqNo = 0;
this.sessionID = new Array(8);
MtpSecureRandom.nextBytes(this.sessionID);
if (false) {
this.sessionID[0] = 0xAB;
this.sessionID[1] = 0xCD;
}
};
MtpNetworker.prototype.updateSentMessage = function (sentMessageID) {
var sentMessage = this.sentMessages[sentMessageID];
if (!sentMessage) {
return false;
}
var self = this;
if (sentMessage.container) {
var newInner = [];
angular.forEach(sentMessage.inner, function(innerSentMessageID){
var innerSentMessage = self.updateSentMessage(innerSentMessageID);
if (innerSentMessage) {
newInner.push(innerSentMessage.msg_id);
}
});
sentMessage.inner = newInner;
}
sentMessage.msg_id = MtpMessageIdGenerator.generateID();
sentMessage.seq_no = this.generateSeqNo(
sentMessage.notContentRelated ||
sentMessage.container
);
this.sentMessages[sentMessage.msg_id] = sentMessage;
delete self.sentMessages[sentMessageID];
return sentMessage;
};
MtpNetworker.prototype.generateSeqNo = function (notContentRelated) {
var seqNo = this.seqNo * 2;
if (!notContentRelated) {
seqNo++;
this.seqNo++;
}
return seqNo;
}
MtpNetworker.prototype.wrapMtpCall = function (method, params, options) {
var serializer = new TLSerialization({mtproto: true});
serializer.storeMethod(method, params);
var messageID = MtpMessageIdGenerator.generateID(),
seqNo = this.generateSeqNo(),
message = {
msg_id: messageID,
seq_no: seqNo,
body: serializer.getBytes()
};
if (window._debugMode) {
console.log('MT call', method, params, messageID, seqNo);
}
return this.pushMessage(message, options);
};
MtpNetworker.prototype.wrapMtpMessage = function (object, options) {
options = options || {};
var serializer = new TLSerialization({mtproto: true});
serializer.storeObject(object, 'Object');
var messageID = MtpMessageIdGenerator.generateID(),
seqNo = this.generateSeqNo(options.notContentRelated),
message = {
msg_id: messageID,
seq_no: seqNo,
body: serializer.getBytes()
};
if (window._debugMode) {
console.log('MT message', object, messageID, seqNo);
}
return this.pushMessage(message, options);
};
MtpNetworker.prototype.wrapApiCall = function (method, params, options) {
var serializer = new TLSerialization(options);
if (!this.connectionInited) {
serializer.storeInt(962726977, 'InokeWithLayer10');
serializer.storeInt(0x69796de9, 'initConnection');
serializer.storeInt(777, 'api_id');
serializer.storeString(navigator.userAgent || 'Unknown UserAgent', 'device_model');
serializer.storeString(navigator.platform || 'Unknown Platform', 'system_version');
serializer.storeString('0.1', 'app_version');
serializer.storeString(navigator.language || 'en', 'lang_code');
}
serializer.storeMethod(method, params);
var messageID = MtpMessageIdGenerator.generateID(),
seqNo = this.generateSeqNo(),
message = {
msg_id: messageID,
seq_no: seqNo,
body: serializer.getBytes(),
isAPI: true
};
if (window._debugMode) {
console.log('Api call', method, params, messageID, seqNo)
} else {
console.log('Api call', method, messageID, seqNo);
}
return this.pushMessage(message, options);
};
MtpNetworker.prototype.checkLongPoll = function(force) {
var isClean = this.cleanupSent();
// console.log('Check lp', this.longPollPending, tsNow());
if (this.longPollPending && tsNow() < this.longPollPending) {
return false;
}
var self = this;
AppConfigManager.get('dc').then(function (baseDcID) {
if (baseDcID != self.dcID && isClean) {
// console.warn('send long-poll for guest DC is delayed', self.dcID);
return;
}
self.sendLongPoll();
});
};
MtpNetworker.prototype.sendLongPoll = function() {
var maxWait = 25000;
this.longPollPending = tsNow() + maxWait;
// console.log('Set lp', this.longPollPending, tsNow());
this.wrapMtpCall('http_wait', {max_delay: 0, wait_after: 0, max_wait: maxWait}, {noResponse: true}).
then((function () {
delete this.longPollPending;
$timeout(this.checkLongPoll.bind(this), 0);
}).bind(this));
};
MtpNetworker.prototype.pushMessage = function(message, options) {
var deferred = $q.defer();
this.sentMessages[message.msg_id] = angular.extend(message, options || {}, {deferred: deferred});
this.pendingMessages[message.msg_id] = 0;
if (!options || !options.noShedule) {
this.sheduleRequest();
}
return deferred.promise;
};
MtpNetworker.prototype.pushResend = function(messageID, delay) {
var value = delay ? tsNow() + delay : 0;
var sentMessage = this.sentMessages[messageID];
if (sentMessage.container) {
for (var i = 0; i < sentMessage.inner.length; i++) {
this.pendingMessages[sentMessage.inner[i]] = value;
}
} else {
this.pendingMessages[messageID] = value;
}
// console.log('Resend due', messageID, this.pendingMessages);
this.sheduleRequest(delay);
};
MtpNetworker.prototype.getMsgKeyIv = function (msgKey, isOut) {
var authKey = this.authKey,
x = isOut ? 0 : 8;
var promises = {
sha1a: MtpSha1Service.hash(msgKey.concat(authKey.slice(x, x + 32))),
sha1b: MtpSha1Service.hash(authKey.slice(32 + x, 48 + x).concat(msgKey, authKey.slice(48 + x, 64 + x))),
sha1c: MtpSha1Service.hash(authKey.slice(64 + x, 96 + x).concat(msgKey)),
sha1d: MtpSha1Service.hash(msgKey.concat(authKey.slice(96 + x, 128 + x)))
};
return $q.all(promises).then(function (result) {
var aesKey = result.sha1a.slice(0, 8).concat(result.sha1b.slice(8, 20), result.sha1c.slice(4, 16));
var aesIv = result.sha1a.slice(8, 20).concat(result.sha1b.slice(0, 8), result.sha1c.slice(16, 20), result.sha1d.slice(0, 8));
return [aesKey, aesIv];
});
};
MtpNetworker.prototype.performSheduledRequest = function() {
// console.log('start sheduled');
delete this.nextReq;
if (this.pendingAcks.length) {
var ackMsgIDs = [];
for (var i = 0; i < this.pendingAcks.length; i++) {
ackMsgIDs.push(this.pendingAcks[i]);
}
// console.log('acking messages', ackMsgIDs);
this.wrapMtpMessage({_: 'msgs_ack', msg_ids: ackMsgIDs}, {notContentRelated: true, noShedule: true});
}
if (this.pendingResends.length) {
var resendMsgIDs = [];
for (var i = 0; i < this.pendingResends.length; i++) {
resendMsgIDs.push(this.pendingResends[i]);
}
// console.log('resendReq messages', resendMsgIDs);
this.wrapMtpMessage({_: 'msg_resend_req', msg_ids: resendMsgIDs}, {noShedule: true});
}
var messages = [],
message,
messagesByteLen = 0,
currentTime = tsNow(),
self = this;
angular.forEach(this.pendingMessages, function (value, messageID) {
if (!value || value >= currentTime) {
if (message = self.sentMessages[messageID]) {
messages.push(message);
messagesByteLen += message.body.length + 32;
} else {
// console.log(message, messageID);
}
delete self.pendingMessages[messageID];
}
});
if (!messages.length) {
// console.log('no sheduled messages');
return;
}
var noResponseMsgs = [];
if (messages.length > 1) {
var container = new TLSerialization({mtproto: true, startMaxLength: messagesByteLen + 64});
container.storeInt(0x73f1f8dc, 'CONTAINER[id]');
container.storeInt(messages.length, 'CONTAINER[count]');
var onloads = [];
var innerMessages = [];
for (var i = 0; i < messages.length; i++) {
container.storeLong(messages[i].msg_id, 'CONTAINER[' + i + '][msg_id]');
innerMessages.push(messages[i].msg_id);
container.storeInt(messages[i].seq_no, 'CONTAINER[' + i + '][seq_no]');
container.storeInt(messages[i].body.length, 'CONTAINER[' + i + '][bytes]');
container.storeRawBytes(messages[i].body, 'CONTAINER[' + i + '][body]');
if (messages[i].noResponse) {
noResponseMsgs.push(messages[i].msg_id);
}
}
var containerSentMessage = {
msg_id: MtpMessageIdGenerator.generateID(),
seq_no: this.generateSeqNo(true),
container: true,
inner: innerMessages
}
message = angular.extend({body: container.getBytes()}, containerSentMessage);
this.sentMessages[message.msg_id] = containerSentMessage;
if (window._debugMode) {
console.log('Container', innerMessages, message.msg_id, message.seq_no);
}
} else {
if (message.noResponse) {
noResponseMsgs.push(message.msg_id);
}
this.sentMessages[message.msg_id] = message;
}
this.pendingAcks = [];
var self = this;
this.sendEncryptedRequest(message).then(function (result) {
self.parseResponse(result.data).then(function (response) {
if (window._debugMode) {
console.log('Server response', self.dcID, response);
}
self.processMessage(response.response, response.messageID, response.sessionID);
angular.forEach(noResponseMsgs, function (msgID) {
if (self.sentMessages[msgID]) {
var deferred = self.sentMessages[msgID].deferred;
delete self.sentMessages[msgID];
deferred.resolve();
}
});
self.checkLongPoll();
});
});
};
MtpNetworker.prototype.getEncryptedMessage = function (bytes) {
var self = this;
// console.log('enc', bytes);
return MtpSha1Service.hash(bytes).then(function (bytesHash) {
// console.log('bytesHash', bytesHash);
var msgKey = bytesHash.slice(-16);
return self.getMsgKeyIv(msgKey, true).then(function (keyIv) {
// console.log('keyIv', keyIv);
return MtpAesService.encrypt(bytes, keyIv[0], keyIv[1]).then(function (encryptedBytes) {
// console.log('encryptedBytes', encryptedBytes);
return {
bytes: encryptedBytes,
msgKey: msgKey
};
})
})
})
};
MtpNetworker.prototype.getDecryptedMessage = function (msgKey, encryptedData) {
return this.getMsgKeyIv(msgKey, false).then(function (keyIv) {
return MtpAesService.decrypt(encryptedData, keyIv[0], keyIv[1]);
});
};
MtpNetworker.prototype.sendEncryptedRequest = function (message) {
var self = this;
// console.log('send encrypted', message);
// console.trace();
var data = new TLSerialization({startMaxLength: message.body.length + 64});
data.storeIntBytes(this.serverSalt, 64, 'salt');
data.storeIntBytes(this.sessionID, 64, 'session_id');
data.storeLong(message.msg_id, 'message_id');
data.storeInt(message.seq_no, 'seq_no');
data.storeInt(message.body.length, 'message_data_length');
data.storeRawBytes(message.body, 'message_data');
return this.getEncryptedMessage(data.getBytes()).then(function (encryptedResult) {
// console.log('got enc result', encryptedResult);
var request = new TLSerialization({startMaxLength: encryptedResult.bytes.length + 256});
request.storeIntBytes(self.authKeyID, 64, 'auth_key_id');
request.storeIntBytes(encryptedResult.msgKey, 128, 'msg_key');
request.storeRawBytes(encryptedResult.bytes, 'encrypted_data');
delete $http.defaults.headers.post['Content-Type'];
delete $http.defaults.headers.common['Accept'];
return $http.post('http://' + MtpDcConfigurator.chooseServer(self.dcID) + '/apiw1', request.getArray(), {
responseType: 'arraybuffer',
transformRequest: null
});
});
};
MtpNetworker.prototype.parseResponse = function (responseBuffer) {
var self = this;
var deserializer = new TLDeserialization(responseBuffer);
var authKeyID = deserializer.fetchIntBytes(64, 'auth_key_id');
if (!bytesCmp(authKeyID, this.authKeyID)) {
throw new Error('Invalid server auth_key_id: ' + bytesToHex(authKeyID));
}
var msgKey = deserializer.fetchIntBytes(128, 'msg_key');
var dataLength = responseBuffer.byteLength - deserializer.getOffset();
var encryptedData = deserializer.fetchRawBytes(dataLength, 'encrypted_data');
return this.getDecryptedMessage(msgKey, encryptedData).then(function (dataWithPadding) {
var buffer = bytesToArrayBuffer(dataWithPadding);
var deserializer = new TLDeserialization(buffer, {mtproto: true});
var salt = deserializer.fetchIntBytes(64, 'salt');
var sessionID = deserializer.fetchIntBytes(64, 'session_id');
var messageID = deserializer.fetchLong('message_id');
var seqNo = deserializer.fetchInt('seq_no');
var messageBody = deserializer.fetchRawBytes(false, 'message_data');
var offset = deserializer.getOffset();
return MtpSha1Service.hash(dataWithPadding.slice(0, offset)).then(function (dataHashed) {
if (!bytesCmp(msgKey, dataHashed.slice(-16))) {
throw new Error('server msgKey mismatch');
}
var buffer = bytesToArrayBuffer(messageBody);
var deserializer = new TLDeserialization(buffer, {mtproto: true});
var response = deserializer.fetchObject('', 'INPUT');
return {
response: response,
messageID: messageID,
sessionID: sessionID,
seqNo: seqNo
};
});
});
};
MtpNetworker.prototype.applyServerSalt = function (newServerSalt) {
var serverSalt = longToBytes(newServerSalt);
var storeObj = {};
storeObj['dc' + this.dcID + '_server_salt'] = bytesToHex(serverSalt);
AppConfigManager.set(storeObj);
this.serverSalt = serverSalt;
return true;
};
MtpNetworker.prototype.sheduleRequest = function (delay) {
var nextReq = tsNow() + delay;
if (delay && this.nextReq && this.nextReq <= nextReq) {
return false;
}
// console.log('shedule req', delay);
// console.trace();
clearTimeout(this.nextReqTO);
this.nextReqTO = $timeout(this.performSheduledRequest.bind(this), delay || 0);
this.nextReq = nextReq;
};
MtpNetworker.prototype.onSessionCreate = function (sessionID, messageID) {
console.log('New session created', bytesToHex(sessionID));
};
MtpNetworker.prototype.ackMessage = function (msgID) {
// console.log('ack message', msgID);
this.pendingAcks.push(msgID);
this.sheduleRequest(30000);
};
MtpNetworker.prototype.reqResendMessage = function (msgID) {
console.log('req resend', msgID);
this.pendingResends.push(msgID);
this.sheduleRequest(100);
};
MtpNetworker.prototype.cleanupSent = function () {
var self = this;
var notEmpty = false;
// console.log('clean start', this.dcID/*, this.sentMessages*/);
angular.forEach(this.sentMessages, function(message, msgID) {
// console.log('clean iter', msgID, message);
if (message.notContentRelated && self.pendingMessages[msgID] === undefined) {
// console.log('clean notContentRelated', msgID);
delete self.sentMessages[msgID];
}
else if (message.container) {
for (var i = 0; i < message.inner.length; i++) {
if (self.sentMessages[message.inner[i]] !== undefined) {
// console.log('clean failed, found', msgID, message.inner[i], self.sentMessages[message.inner[i]].seq_no);
notEmpty = true;
return;
}
}
// console.log('clean container', msgID);
delete self.sentMessages[msgID];
} else {
notEmpty = true;
}
});
return !notEmpty;
};
MtpNetworker.prototype.processMessageAck = function (messageID) {
var sentMessage = this.sentMessages[messageID];
if (sentMessage && !sentMessage.acked) {
delete sentMessage.body;
sentMessage.acked = true;
return true;
}
return false;
};
MtpNetworker.prototype.processError = function (rawError) {
var matches = (rawError.error_message || '').match(/^([A-Z_0-9]+\b)(: (.+))?/) || [];
rawError.error_code = uintToInt(rawError.error_code);
return {
code: !rawError.error_code || rawError.error_code <= 0 ? 500 : rawError.error_code,
type: matches[1] || 'UNKNOWN',
description: matches[3] || ('CODE#' + rawError.error_code + ' ' + rawError.error_message),
originalError: rawError
};
};
MtpNetworker.prototype.processMessage = function (message, messageID, sessionID) {
// console.log('process message', message, messageID, sessionID);
switch (message._) {
case 'msg_container':
var len = message.messages.length;
for (var i = 0; i < len; i++) {
this.processMessage(message.messages[i], messageID, sessionID);
}
break;
case 'bad_server_salt':
console.log('Bad server salt', message);
var sentMessage = this.sentMessages[message.bad_msg_id];
if (!sentMessage || sentMessage.seq_no != message.bad_msg_seqno) {
console.log(message.bad_msg_id, message.bad_msg_seqno);
throw new Error('Bad server salt for invalid message');
}
this.applyServerSalt(message.new_server_salt);
this.pushResend(message.bad_msg_id);
this.ackMessage(messageID);
break;
case 'bad_msg_notification':
console.log('Bad msg notification', message);
var sentMessage = this.sentMessages[message.bad_msg_id];
if (!sentMessage || sentMessage.seq_no != message.bad_msg_seqno) {
console.log(message.bad_msg_id, message.bad_msg_seqno);
throw new Error('Bad msg notification for invalid message');
}
if (message.error_code == 16 || message.error_code == 17) {
if (MtpMessageIdGenerator.applyServerTime(
bigStringInt(messageID).shiftRight(32).toString(10)
)) {
this.updateSession();
}
var badMessage = this.updateSentMessage(message.bad_msg_id);
this.pushResend(badMessage.msg_id);
this.ackMessage(messageID);
}
break;
case 'message':
this.serverMessages.push(message.msg_id);
this.processMessage(message.body, message.msg_id, sessionID);
break;
case 'new_session_created':
this.ackMessage(messageID);
this.processMessageAck(message.first_msg_id);
this.applyServerSalt(message.server_salt);
this.onSessionCreate(sessionID, messageID);
break;
case 'msgs_ack':
for (var i = 0; i < message.msg_ids.length; i++) {
this.processMessageAck(message.msg_ids[i]);
}
break;
case 'msg_detailed_info':
if (!this.sentMessages[message.msg_id]) {
this.ackMessage(message.answer_msg_id);
break;
}
case 'msg_new_detailed_info':
// this.ackMessage(message.answer_msg_id);
this.reqResendMessage(message.answer_msg_id);
break;
case 'rpc_result':
this.ackMessage(messageID);
var sentMessageID = message.req_msg_id,
sentMessage = this.sentMessages[sentMessageID];
this.processMessageAck(sentMessageID);
if (sentMessage) {
var deferred = sentMessage.deferred;
if (message.result._ == 'rpc_error') {
var error = this.processError(message.result);
console.log('rpc error', error)
if (deferred) {
deferred.reject(error)
}
} else {
if (deferred) {
if (window._debugMode) {
console.log('rpc response', message.result);
} else {
console.log('rpc response', message.result._);
}
sentMessage.deferred.resolve(message.result);
}
if (sentMessage.isAPI) {
this.connectionInited = true;
}
}
delete this.sentMessages[sentMessageID];
}
break;
default:
this.ackMessage(messageID);
// console.log('Update', message);
if (updatesProcessor) {
updatesProcessor(message);
}
break;
}
};
return {
getNetworker: function (dcID, authKey, serverSalt) {
return new MtpNetworker(dcID, authKey, serverSalt);
},
setUpdatesProcessor: function (callback) {
updatesProcessor = callback;
}
};
}).
factory('MtpApiManager', function (AppConfigManager, MtpAuthorizer, MtpNetworkerFactory, $q) {
var cachedNetworkers = {},
cachedExportPromise = {},
baseDcID = false;
AppConfigManager.get('dc').then(function (dcID) {
if (dcID) {
baseDcID = dcID;
}
});
function mtpSetUserAuth (dcID, userAuth) {
AppConfigManager.set({
dc: dcID,
user_auth: angular.extend({dcID: dcID}, userAuth)
});
baseDcID = dcID;
}
function mtpLogOut () {
return mtpInvokeApi('auth.logOut').then(function () {
AppConfigManager.remove('dc', 'user_auth');
baseDcID = false;
});
}
function mtpGetNetworker (dcID) {
if (!dcID) {
throw new Exception('get Networker without dcID');
}
if (cachedNetworkers[dcID] !== undefined) {
return $q.when(cachedNetworkers[dcID]);
}
var akk = 'dc' + dcID + '_auth_key',
ssk = 'dc' + dcID + '_server_salt';
return AppConfigManager.get(akk, ssk).then(function (result) {
if (cachedNetworkers[dcID] !== undefined) {
return cachedNetworkers[dcID];
}
var authKeyHex = result[0],
serverSaltHex = result[1];
// console.log('ass', dcID, authKeyHex, serverSaltHex);
if (authKeyHex && authKeyHex.length == 512) {
var authKey = bytesFromHex(authKeyHex);
var serverSalt = bytesFromHex(serverSaltHex);
return cachedNetworkers[dcID] = MtpNetworkerFactory.getNetworker(dcID, authKey, serverSalt);
}
return MtpAuthorizer.auth(dcID).then(function (auth) {
var storeObj = {};
storeObj[akk] = bytesToHex(auth.authKey);
storeObj[ssk] = bytesToHex(auth.serverSalt);
AppConfigManager.set(storeObj);
return cachedNetworkers[dcID] = MtpNetworkerFactory.getNetworker(dcID, auth.authKey, auth.serverSalt);
}, function (error) {
console.log('Get networker error', error, error.stack);
return $q.reject(error);
});
});
};
function mtpInvokeApi (method, params, options) {
options = options || {};
var deferred = $q.defer(),
dcID,
networkerPromise;
if (dcID = options.dcID) {
networkerPromise = mtpGetNetworker(dcID);
} else {
networkerPromise = AppConfigManager.get('dc').then(function (baseDcID) {
return mtpGetNetworker(dcID = baseDcID || 1);
});
}
var cachedNetworker;
networkerPromise.then(function (networker) {
return (cachedNetworker = networker).wrapApiCall(method, params, options).then(
function (result) {
deferred.resolve(result);
// $timeout(function () {
// deferred.resolve(result);
// }, 1000);
},
function (error) {
console.log('error', error.code, error.type, baseDcID, dcID);
if (error.code == 401 && baseDcID && dcID != baseDcID) {
if (cachedExportPromise[dcID] === undefined) {
var exportDeferred = $q.defer();
mtpInvokeApi('auth.exportAuthorization', {dc_id: dcID}).then(function (exportedAuth) {
mtpInvokeApi('auth.importAuthorization', {
id: exportedAuth.id,
bytes: exportedAuth.bytes
}, {dcID: dcID}).then(function () {
exportDeferred.resolve();
}, function (e) {
exportDeferred.reject(e);
})
}, function (e) {
exportDeferred.reject(e)
});
cachedExportPromise[dcID] = exportDeferred.promise;
}
// console.log('promise', cachedExportPromise[dcID]);
cachedExportPromise[dcID] = cachedExportPromise[dcID].then(function () {
(cachedNetworker = networker).wrapApiCall(method, params, options).then(function (result) {
deferred.resolve(result);
}, function (error) {
deferred.reject(error);
});
}, function (error) {
deferred.reject(error);
});
}
else if (error.code == 303) {
var newDcID = error.type.match(/^(PHONE_MIGRATE_|NETWORK_MIGRATE_)(\d+)/)[2];
if (newDcID != dcID) {
if (options.dcID) {
options.dcID = newDcID;
} else {
AppConfigManager.set({dc: baseDcID = newDcID});
}
mtpGetNetworker(newDcID).then(function (networker) {
networker.wrapApiCall(method, params, options).then(function (result) {
deferred.resolve(result);
}, function (error) {
deferred.reject(error);
});
});
}
}
else {
deferred.reject(error);
}
});
}, function (error) {
deferred.reject(error);
});
return deferred.promise;
};
function mtpGetUserID () {
return AppConfigManager.get('user_auth').then(function (auth) {
return auth.id || 0;
});
}
function getBaseDcID () {
return baseDcID || false;
}
return {
getBaseDcID: getBaseDcID,
getUserID: mtpGetUserID,
invokeApi: mtpInvokeApi,
setUserAuth: mtpSetUserAuth,
logOut: mtpLogOut
}
}).
factory('MtpApiFileManager', function (MtpApiManager, $q, $window) {
var cachedFS = false;
var apiUploadPromise = $q.when();
var cachedSavePromises = {};
var cachedDownloadPromises = {};
var cachedDownloads = {};
var downloadPulls = {};
var downloadActives = {};
var downloadLimit = 5;
function downloadRequest(dcID, cb, activeDelta) {
if (downloadPulls[dcID] === undefined) {
downloadPulls[dcID] = [];
downloadActives[dcID] = 0
}
var downloadPull = downloadPulls[dcID];
var deferred = $q.defer();
downloadPull.push({cb: cb, deferred: deferred, activeDelta: activeDelta});
downloadCheck(dcID);
return deferred.promise;
};
var index = 0;
function downloadCheck(dcID) {
var downloadPull = downloadPulls[dcID];
if (downloadActives[dcID] >= downloadLimit || !downloadPull || !downloadPull.length) {
return false;
}
var data = downloadPull.shift(),
activeDelta = data.activeDelta || 1;
downloadActives[dcID] += activeDelta;
var a = index++;
data.cb()
.then(function (result) {
downloadActives[dcID] -= activeDelta;
downloadCheck(dcID);
data.deferred.resolve(result);
}, function (error) {
downloadActives[dcID] -= activeDelta;
downloadCheck(dcID);
data.deferred.reject(error);
})
};
function requestFS (argument) {
if (cachedFS) {
return $q.when(cachedFS);
}
$window.requestFileSystem = $window.requestFileSystem || $window.webkitRequestFileSystem;
if (!$window.requestFileSystem/* || true*/) {
return $q.reject({type: 'FS_BROWSER_UNSUPPORTED', description: 'requestFileSystem not present'});
}
var deferred = $q.defer();
$window.requestFileSystem($window.TEMPORARY, 5*1024*1024, function (fs) {
cachedFS = fs;
deferred.resolve();
}, function (e) {
deferred.reject(e);
});
return deferred.promise;
};
function fileWriteBytes(fileWriter, bytes) {
var deferred = $q.defer();
fileWriter.onwriteend = function(e) {
deferred.resolve();
};
fileWriter.onerror = function (e) {
deferred.reject();
};
if (false) { // is file bytes
fileWriter.write(bytes);
} else {
fileWriter.write(new Blob([bytesToArrayBuffer(bytes)]));
}
return deferred.promise;
}
function getFileName(location) {
switch (location._) {
case 'inputVideoFileLocation':
return 'video' + location.id + '.mp4';
case 'inputDocumentFileLocation':
return 'doc' + location.id;
case 'inputAudioFileLocation':
return 'audio' + location.id;
}
return location.volume_id + '_' + location.local_id + '_' + location.secret + '.jpg';
};
function getTempFileName(file) {
var size = file.size || -1;
var random = nextRandomInt(0xFFFFFFFF);
return '_temp' + random + '_' + size;
};
function getCachedFile (location) {
if (!location) {
return false;
}
var fileName = getFileName(location);
return cachedDownloads[fileName] || false;
}
function saveSmallFile (location, bytes) {
var fileName = getFileName(location);
if (cachedSavePromises[fileName]) {
return cachedSavePromises[fileName];
}
var deferred = $q.defer(),
cacheFileWriter,
errorHandler = function (error) {
deferred.reject(error);
if (cacheFileWriter) cacheFileWriter.truncate(0);
errorHandler = angular.noop;
};
requestFS().then(function () {
cachedFS.root.getFile(fileName, {create: false}, function(fileEntry) {
deferred.resolve(cachedDownloads[fileName] = fileEntry.toURL());
}, function () {
cachedFS.root.getFile(fileName, {create: true}, function(fileEntry) {
fileEntry.createWriter(function (fileWriter) {
cacheFileWriter = fileWriter;
fileWriteBytes(fileWriter, bytes).then(function () {
deferred.resolve(cachedDownloads[fileName] = fileEntry.toURL());
}, errorHandler);
}, errorHandler);
}, errorHandler);
});
}, errorHandler);
return cachedSavePromises[fileName] = deferred.promise;
}
function downloadSmallFile(location) {
// console.log('dload small', location);
var fileName = getFileName(location),
cachedPromise = cachedSavePromises[fileName] || cachedDownloadPromises[fileName];
if (cachedPromise) {
return cachedPromise;
}
var deferred = $q.defer(),
cacheFileWriter,
errorHandler = function (error) {
deferred.reject(error);
if (cacheFileWriter) cacheFileWriter.truncate(0);
errorHandler = angular.noop;
},
doDownload = function () {
cachedFS.root.getFile(fileName, {create: true}, function(fileEntry) {
var downloadPromise = downloadRequest(location.dc_id, function () {
// console.log('next small promise');
return MtpApiManager.invokeApi('upload.getFile', {
location: angular.extend({}, location, {_: 'inputFileLocation'}),
offset: 0,
limit: 0
}, {dcID: location.dc_id});
});
fileEntry.createWriter(function (fileWriter) {
cacheFileWriter = fileWriter;
downloadPromise.then(function (result) {
fileWriteBytes(fileWriter, result.bytes).then(function () {
// console.log('Success', location, fileEntry.toURL());
deferred.resolve(cachedDownloads[fileName] = fileEntry.toURL());
}, errorHandler);
}, errorHandler);
}, errorHandler);
}, errorHandler);
};
requestFS().then(function () {
cachedFS.root.getFile(fileName, {create: false}, function(fileEntry) {
fileEntry.file(function(file) {
if (file.size) {
deferred.resolve(cachedDownloads[fileName] = fileEntry.toURL());
} else {
console.log('Small file empty', file);
doDownload();
}
}, errorHandler);
}, doDownload);
}, function (error) {
downloadRequest(location.dc_id, function () {
// console.log('next small promise');
return MtpApiManager.invokeApi('upload.getFile', {
location: angular.extend({}, location, {_: 'inputFileLocation'}),
offset: 0,
limit: 0
}, {dcID: location.dc_id});
}).then(function (result) {
deferred.resolve(cachedDownloads[fileName] = 'data:image/jpeg;base64,' + bytesToBase64(result.bytes))
}, errorHandler);
});
return cachedDownloadPromises[fileName] = deferred.promise;
}
function downloadFile (dcID, location, size, fileEntry) {
console.log('dload file', dcID, location, size);
var fileName = getFileName(location),
cachedPromise = cachedSavePromises[fileName] || cachedDownloadPromises[fileName];
if (cachedPromise) {
return cachedPromise;
}
var deferred = $q.defer(),
cacheFileWriter,
errorHandler = function (error) {
console.error(error);
// console.log('fail');
deferred.reject(error);
if (cacheFileWriter) cacheFileWriter.truncate(0);
errorHandler = angular.noop;
},
saveToFileEntry = function (fileEntry) {
fileEntry.createWriter(function (fileWriter) {
cacheFileWriter = fileWriter;
// var limit = size > 102400 ? 65536 : 4096;
var limit = size > 30400 ? 524288 : 4096;
// var limit = size > 30400 ? 20480 : 4096;
var writeFilePromise = $q.when(),
writeFileDeferred;
for (var offset = 0; offset < size; offset += limit) {
writeFileDeferred = $q.defer();
(function (isFinal, offset, writeFileDeferred, writeFilePromise) {
return downloadRequest(dcID, function () {
// console.log('next big promise');
return MtpApiManager.invokeApi('upload.getFile', {
location: location,
offset: offset,
limit: limit
}, {dcID: dcID});
}, 6).then(function (result) {
// console.log('waiting for file promise', offset);
writeFilePromise.then(function () {
// console.log('resolved file promise', offset);
return fileWriteBytes(fileWriter, result.bytes).then(function () {
// console.log('resolve file promise', offset);
writeFileDeferred.resolve();
}, errorHandler).then(function () {
if (isFinal) {
deferred.resolve(cachedDownloads[fileName] = fileEntry.toURL('image/jpeg'));
} else {
// console.log('notify', {done: offset + limit, total: size});
deferred.notify({done: offset + limit, total: size});
};
});
});
});
})(offset + limit >= size, offset, writeFileDeferred, writeFilePromise);
writeFilePromise = writeFileDeferred.promise;
}
}, errorHandler);
};
if (fileEntry) {
saveToFileEntry(fileEntry);
} else {
requestFS().then(function () {
cachedFS.root.getFile(fileName, {create: false}, function(fileEntry) {
fileEntry.file(function(file) {
console.log('check size', file.size, size);
if (file.size >= size) {
deferred.resolve(cachedDownloads[fileName] = fileEntry.toURL());
} else {
console.log('File bad size', file, size);
cachedFS.root.getFile(fileName, {create: true}, saveToFileEntry, errorHandler)
}
}, errorHandler);
}, function () {
cachedFS.root.getFile(fileName, {create: true}, saveToFileEntry, errorHandler)
});
}, function () {
var blobParts = [];
var limit = size > 30400 ? 524288 : 4096;
var writeBlobPromise = $q.when(),
writeBlobDeferred;
for (var offset = 0; offset < size; offset += limit) {
writeBlobDeferred = $q.defer();
(function (isFinal, offset, writeBlobDeferred, writeBlobPromise) {
return downloadRequest(dcID, function () {
return MtpApiManager.invokeApi('upload.getFile', {
location: location,
offset: offset,
limit: limit
}, {dcID: dcID});
}, 6).then(function (result) {
writeBlobPromise.then(function () {
try {
blobParts.push(bytesToArrayBuffer(result.bytes));
writeBlobDeferred.resolve();
if (isFinal) {
try {
var blob = new Blob(blobParts, {type: 'image/jpeg'});
} catch (e) {
window.BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
var bb = new BlobBuilder;
angular.forEach(blobParts, function(blobPart) {
bb.append(blobPart);
});
var blob = bb.getBlob('image/jpeg');
}
window.URL = window.URL || window.webkitURL;
deferred.resolve(cachedDownloads[fileName] = URL.createObjectURL(blob));
} else {
deferred.notify({done: offset + limit, total: size});
};
} catch (e) {
errorHandler(e);
}
}, errorHandler);
});
})(offset + limit >= size, offset, writeBlobDeferred, writeBlobPromise);
writeBlobPromise = writeBlobDeferred.promise;
}
});
}
return cachedDownloadPromises[fileName] = deferred.promise;
}
function writeFile (file) {
console.log('write file', file);
var fileName = getTempFileName(file);
var deferred = $q.defer(),
cacheFileWriter,
errorHandler = function (error) {
console.log('fail');
deferred.reject(error);
if (cacheFileWriter) cacheFileWriter.truncate(0);
errorHandler = angular.noop;
};
requestFS().then(function () {
cachedFS.root.getFile(fileName, {create: false}, function(fileEntry) {
deferred.resolve(fileEntry);
}, function () {
cachedFS.root.getFile(fileName, {create: true}, function(fileEntry) {
fileEntry.createWriter(function (fileWriter) {
cacheFileWriter = fileWriter;
fileWriteBytes(fileWriter, file).then(function () {
deferred.resolve(fileEntry);
}, errorHandler);
}, errorHandler);
});
});
});
};
function uploadFile (file) {
var fileSize = file.size,
// partSize = fileSize > 102400 ? 65536 : 4096,
partSize = fileSize > 102400 ? 524288 : 4096,
totalParts = Math.ceil(fileSize / partSize),
doneParts = 0;
if (totalParts > 1500) {
return $q.reject({type: 'FILE_TOO_BIG'});
}
var fileID = [nextRandomInt(0xFFFFFFFF), nextRandomInt(0xFFFFFFFF)],
deferred = $q.defer(),
errorHandler = function (error) {
console.log('error', error);
deferred.reject(error);
errorHandler = angular.noop;
},
part = 0,
offset,
resultInputFile = {
_: 'inputFile',
id:fileID,
parts: totalParts,
name: file.name,
md5_checksum: ''
};
var fileReadPromise = $q.when();
for (offset = 0; offset < fileSize; offset += partSize) {
(function (offset, part) {
fileReadPromise = fileReadPromise.then(function () {
var fileReadDeferred = $q.defer();
var reader = new FileReader();
var blob = file.slice(offset, offset + partSize);
reader.onloadend = function (e) {
if (e.target.readyState != FileReader.DONE) {
return;
}
var apiCurPromise = apiUploadPromise = apiUploadPromise.then(function () {
return MtpApiManager.invokeApi('upload.saveFilePart', {
file_id: fileID,
file_part: part,
bytes: bytesFromArrayBuffer(e.target.result)
}, {startMaxLength: partSize + 256});
}, errorHandler);
apiCurPromise.then(function (result) {
doneParts++;
fileReadDeferred.resolve();
if (doneParts >= totalParts) {
deferred.resolve(resultInputFile);
} else {
console.log('Progress', doneParts * partSize / fileSize);
deferred.notify({done: doneParts * partSize, total: fileSize});
}
}, errorHandler);
};
reader.readAsArrayBuffer(blob);
return fileReadDeferred.promise;
});
})(offset, part++);
}
return deferred.promise;
}
return {
getCachedFile: getCachedFile,
downloadFile: downloadFile,
downloadSmallFile: downloadSmallFile,
saveSmallFile: saveSmallFile,
uploadFile: uploadFile
};
})