Telegram Web, preconfigured for usage in I2P. http://web.telegram.i2p/
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/*!
* Webogram v0.3.2 - 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
*/
angular.module('izhukov.mtproto.wrapper', ['izhukov.utils', 'izhukov.mtproto'])
.factory('MtpApiManager', function (Storage, MtpAuthorizer, MtpNetworkerFactory, ErrorService, $q) {
var cachedNetworkers = {},
cachedUploadNetworkers = {},
cachedExportPromise = {},
baseDcID = false;
Storage.get('dc').then(function (dcID) {
if (dcID) {
baseDcID = dcID;
}
});
function mtpSetUserAuth (dcID, userAuth) {
Storage.set({
dc: dcID,
user_auth: angular.extend({dcID: dcID}, userAuth)
});
baseDcID = dcID;
}
function mtpLogOut () {
return mtpInvokeApi('auth.logOut').then(function () {
Storage.remove('dc', 'user_auth');
baseDcID = false;
}, function (error) {
Storage.remove('dc', 'user_auth');
if (error && error.code != 401) {
Storage.remove('dc' + baseDcID + '_auth_key');
}
baseDcID = false;
error.handled = true;
});
}
function mtpGetNetworker (dcID, options) {
options = options || {};
var cache = (options.fileUpload || options.fileDownload)
? cachedUploadNetworkers
: cachedNetworkers;
if (!dcID) {
throw new Exception('get Networker without dcID');
}
if (cache[dcID] !== undefined) {
return $q.when(cache[dcID]);
}
var akk = 'dc' + dcID + '_auth_key',
ssk = 'dc' + dcID + '_server_salt';
return Storage.get(akk, ssk).then(function (result) {
if (cache[dcID] !== undefined) {
return cache[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 cache[dcID] = MtpNetworkerFactory.getNetworker(dcID, authKey, serverSalt, options);
}
if (!options.createNetworker) {
return $q.reject({type: 'AUTH_KEY_EMPTY', code: 401});
}
return MtpAuthorizer.auth(dcID).then(function (auth) {
var storeObj = {};
storeObj[akk] = bytesToHex(auth.authKey);
storeObj[ssk] = bytesToHex(auth.serverSalt);
Storage.set(storeObj);
return cache[dcID] = MtpNetworkerFactory.getNetworker(dcID, auth.authKey, auth.serverSalt, options);
}, 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(),
rejectPromise = function (error) {
if (!error) {
error = {type: 'ERROR_EMPTY'};
} else if (!angular.isObject(error)) {
error = {message: error};
}
deferred.reject(error);
if (!options.noErrorBox) {
error.input = method;
error.stack = error.stack || (new Error()).stack;
setTimeout(function () {
if (!error.handled) {
ErrorService.show({error: error});
error.handled = true;
}
}, 100);
}
},
dcID,
networkerPromise;
if (dcID = options.dcID) {
networkerPromise = mtpGetNetworker(dcID, options);
} else {
networkerPromise = Storage.get('dc').then(function (baseDcID) {
return mtpGetNetworker(dcID = baseDcID || 2, options);
});
}
var cachedNetworker,
stack = false;
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.error(dT(), 'Error', error.code, error.type, baseDcID, dcID);
if (error.code == 401 && baseDcID == dcID) {
Storage.remove('dc', 'user_auth');
rejectPromise(error);
}
else if (error.code == 401 && baseDcID && dcID != baseDcID) {
if (cachedExportPromise[dcID] === undefined) {
var exportDeferred = $q.defer();
mtpInvokeApi('auth.exportAuthorization', {dc_id: dcID}, {noErrorBox: true}).then(function (exportedAuth) {
mtpInvokeApi('auth.importAuthorization', {
id: exportedAuth.id,
bytes: exportedAuth.bytes
}, {dcID: dcID, noErrorBox: true}).then(function () {
exportDeferred.resolve();
}, function (e) {
exportDeferred.reject(e);
})
}, function (e) {
exportDeferred.reject(e)
});
cachedExportPromise[dcID] = exportDeferred.promise;
}
cachedExportPromise[dcID].then(function () {
(cachedNetworker = networker).wrapApiCall(method, params, options).then(function (result) {
deferred.resolve(result);
}, function (error) {
rejectPromise(error);
});
}, function (error) {
rejectPromise(error);
});
}
else if (error.code == 303) {
var newDcID = error.type.match(/^(PHONE_MIGRATE_|NETWORK_MIGRATE_|USER_MIGRATE_)(\d+)/)[2];
if (newDcID != dcID) {
if (options.dcID) {
options.dcID = newDcID;
} else {
Storage.set({dc: baseDcID = newDcID});
}
mtpGetNetworker(newDcID, options).then(function (networker) {
networker.wrapApiCall(method, params, options).then(function (result) {
deferred.resolve(result);
}, function (error) {
rejectPromise(error);
});
});
}
}
else {
rejectPromise(error);
}
});
}, function (error) {
rejectPromise(error);
});
if (!(stack = (stack || (new Error()).stack))) {
try {window.unexistingFunction();} catch (e) {
stack = e.stack || '';
}
}
return deferred.promise;
};
function mtpGetUserID () {
return Storage.get('user_auth').then(function (auth) {
return auth.id || 0;
});
}
function getBaseDcID () {
return baseDcID || false;
}
return {
getBaseDcID: getBaseDcID,
getUserID: mtpGetUserID,
invokeApi: mtpInvokeApi,
getNetworker: mtpGetNetworker,
setUserAuth: mtpSetUserAuth,
logOut: mtpLogOut
}
})
.factory('MtpApiFileManager', function (MtpApiManager, $q, FileManager, IdbFileStorage, TmpfsFileStorage, MemoryFileStorage) {
var cachedFs = false;
var cachedFsPromise = 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 getFileName(location) {
switch (location._) {
case 'inputVideoFileLocation':
return 'video' + location.id + '.mp4';
case 'inputDocumentFileLocation':
return 'doc' + location.id;
case 'inputAudioFileLocation':
return 'audio' + location.id;
}
if (!location.volume_id) {
console.trace('Empty location', location);
}
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 getFileStorage () {
if (TmpfsFileStorage.isAvailable()) {
return TmpfsFileStorage;
}
if (IdbFileStorage.isAvailable()) {
return IdbFileStorage;
}
return MemoryFileStorage;
}
function saveSmallFile (location, bytes) {
var fileName = getFileName(location),
mimeType = 'image/jpeg';
if (!cachedSavePromises[fileName]) {
cachedSavePromises[fileName] = getFileStorage().saveFile(fileName, bytes).then(function (blob) {
return cachedDownloads[fileName] = FileManager.getUrl(blob, mimeType);
});
}
return cachedSavePromises[fileName];
}
function downloadSmallFile(location) {
if (!FileManager.isAvailable()) {
return $q.reject({type: 'BROWSER_BLOB_NOT_SUPPORTED'});
}
// console.log('dload small', location);
var fileName = getFileName(location),
mimeType = 'image/jpeg',
cachedPromise = cachedSavePromises[fileName] || cachedDownloadPromises[fileName];
if (cachedPromise) {
return cachedPromise;
}
var fileStorage = getFileStorage();
return cachedDownloadPromises[fileName] = fileStorage.getFile(fileName).then(function (blob) {
return cachedDownloads[fileName] = FileManager.getUrl(blob, mimeType);
}, function () {
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,
fileDownload: true,
createNetworker: true
});
});
return fileStorage.getFileWriter(fileName, mimeType).then(function (fileWriter) {
return downloadPromise.then(function (result) {
return FileManager.write(fileWriter, result.bytes).then(function () {
return cachedDownloads[fileName] = FileManager.getUrl(fileWriter.finalize(), mimeType);
});
});
});
});
}
function downloadFile (dcID, location, size, options) {
if (!FileManager.isAvailable()) {
return $q.reject({type: 'BROWSER_BLOB_NOT_SUPPORTED'});
}
options = options || {};
// console.log(dT(), 'Dload file', dcID, location, size);
var fileName = getFileName(location),
toFileEntry = options.toFileEntry || null,
cachedPromise = cachedSavePromises[fileName] || cachedDownloadPromises[fileName];
var fileStorage = getFileStorage();
// console.log(dT(), 'fs', fileStorage, fileName, cachedPromise);
if (cachedPromise) {
if (toFileEntry) {
return cachedPromise.then(function (url) {
return fileStorage.getFile(fileName).then(function (blob) {
return FileManager.copy(blob, toFileEntry);
});
})
}
return cachedPromise;
}
var deferred = $q.defer(),
canceled = false,
resolved = false,
mimeType = options.mime || 'image/jpeg',
cacheFileWriter,
errorHandler = function (error) {
deferred.reject(error);
errorHandler = angular.noop;
if (cacheFileWriter) cacheFileWriter.truncate(0);
};
fileStorage.getFile(fileName).then(function (blob) {
if (toFileEntry) {
FileManager.copy(blob, toFileEntry).then(function () {
deferred.resolve();
}, errorHandler);
} else {
deferred.resolve(cachedDownloads[fileName] = FileManager.getUrl(blob, mimeType));
}
}, function () {
var fileWriterPromise = toFileEntry ? FileManager.getFileWriter(toFileEntry) : fileStorage.getFileWriter(fileName, mimeType);
fileWriterPromise.then(function (fileWriter) {
cacheFileWriter = fileWriter;
var limit = 524288,
writeFilePromise = $q.when(),
writeFileDeferred;
for (var offset = 0; offset < size; offset += limit) {
writeFileDeferred = $q.defer();
(function (isFinal, offset, writeFileDeferred, writeFilePromise) {
return downloadRequest(dcID, function () {
if (canceled) {
return $q.when();
}
return MtpApiManager.invokeApi('upload.getFile', {
location: location,
offset: offset,
limit: limit
}, {
dcID: dcID,
fileDownload: true,
createNetworker: true
});
}, 6).then(function (result) {
writeFilePromise.then(function () {
if (canceled) {
return $q.when();
}
return FileManager.write(fileWriter, result.bytes).then(function () {
writeFileDeferred.resolve();
}, errorHandler).then(function () {
if (isFinal) {
resolved = true;
if (toFileEntry) {
deferred.resolve();
} else {
deferred.resolve(cachedDownloads[fileName] = FileManager.getUrl(fileWriter.finalize(), mimeType));
}
} else {
deferred.notify({done: offset + limit, total: size});
};
});
});
});
})(offset + limit >= size, offset, writeFileDeferred, writeFilePromise);
writeFilePromise = writeFileDeferred.promise;
}
});
})
deferred.promise.cancel = function () {
if (!canceled && !resolved) {
canceled = true;
delete cachedDownloadPromises[fileName];
errorHandler({type: 'DOWNLOAD_CANCELED'});
}
}
if (!toFileEntry) {
cachedDownloadPromises[fileName] = deferred.promise;
}
return deferred.promise;
}
function uploadFile (file) {
var fileSize = file.size,
// partSize = fileSize > 102400 ? 65536 : 4096,
// partSize = fileSize > 102400 ? 524288 : 4096,
partSize = fileSize > 102400 ? 524288 : 32768,
isBigFile = fileSize >= 10485760,
totalParts = Math.ceil(fileSize / partSize),
canceled = false,
resolved = false,
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.error('Up Error', error);
deferred.reject(error);
errorHandler = angular.noop;
},
part = 0,
offset,
resultInputFile = {
_: isBigFile ? 'inputFileBig' : '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 (canceled || e.target.readyState != FileReader.DONE) {
return;
}
var apiCurPromise = apiUploadPromise = apiUploadPromise.then(function () {
return MtpApiManager.invokeApi(isBigFile ? 'upload.saveBigFilePart' : 'upload.saveFilePart', {
file_id: fileID,
file_part: part,
file_total_parts: totalParts,
bytes: bytesFromArrayBuffer(e.target.result)
}, {
startMaxLength: partSize + 256,
fileUpload: true
});
}, errorHandler);
apiCurPromise.then(function (result) {
doneParts++;
fileReadDeferred.resolve();
if (doneParts >= totalParts) {
deferred.resolve(resultInputFile);
resolved = true;
} else {
console.log(dT(), 'Progress', doneParts * partSize / fileSize);
deferred.notify({done: doneParts * partSize, total: fileSize});
}
}, errorHandler);
};
reader.readAsArrayBuffer(blob);
return fileReadDeferred.promise;
});
})(offset, part++);
}
deferred.promise.cancel = function () {
console.log('cancel upload', canceled, resolved);
if (!canceled && !resolved) {
canceled = true;
errorHandler({type: 'UPLOAD_CANCELED'});
}
}
return deferred.promise;
}
return {
getCachedFile: getCachedFile,
downloadFile: downloadFile,
downloadSmallFile: downloadSmallFile,
saveSmallFile: saveSmallFile,
uploadFile: uploadFile
};
})