Telegram Web, preconfigured for usage in I2P. http://web.telegram.i2p/
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/*!
* Webogram v0.2 - 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.utils', [])
.provider('Storage', function () {
var keyPrefix = '';
var cache = {};
var useCs = !!(window.chrome && chrome.storage && chrome.storage.local);
var useLs = !useCs && !!window.localStorage;
this.setPrefix = function (newPrefix) {
keyPrefix = newPrefix
};
this.$get = ['$q', function ($q) {
function getValue() {
var keys = Array.prototype.slice.call(arguments),
result = [],
single = keys.length == 1,
allFound = true;
for (var i = 0; i < keys.length; i++) {
keys[i] = keyPrefix + keys[i];
}
angular.forEach(keys, function (key) {
if (cache[key] !== undefined) {
result.push(cache[key]);
}
else if (useLs) {
var value = localStorage.getItem(key);
value = (value === undefined || value === null) ? false : JSON.parse(value);
result.push(cache[key] = value);
}
else if (!useCs) {
result.push(cache[key] = false);
}
else {
allFound = false;
}
});
if (allFound) {
return $q.when(single ? result[0] : result);
}
var deferred = $q.defer();
chrome.storage.local.get(keys, function (resultObj) {
result = [];
angular.forEach(keys, function (key) {
var value = resultObj[key];
value = value === undefined || value === null ? false : JSON.parse(value);
result.push(cache[key] = value);
});
deferred.resolve(single ? result[0] : result);
});
return deferred.promise;
};
function setValue(obj) {
var keyValues = {};
angular.forEach(obj, function (value, key) {
keyValues[keyPrefix + key] = JSON.stringify(value);
cache[keyPrefix + key] = value;
});
if (useLs) {
angular.forEach(keyValues, function (value, key) {
localStorage.setItem(key, value);
});
return $q.when();
}
if (!useCs) {
return $q.when();
}
var deferred = $q.defer();
chrome.storage.local.set(keyValues, function () {
deferred.resolve();
});
return deferred.promise;
};
function removeValue () {
var keys = Array.prototype.slice.call(arguments);
for (var i = 0; i < keys.length; i++) {
keys[i] = keyPrefix + keys[i];
}
angular.forEach(keys, function(key){
delete cache[key];
});
if (useLs) {
angular.forEach(keys, function(key){
localStorage.removeItem(key);
});
return $q.when();
}
if (!useCs) {
return $q.when();
}
var deferred = $q.defer();
chrome.storage.local.remove(keys, function () {
deferred.resolve();
});
return deferred.promise;
};
return {
get: getValue,
set: setValue,
remove: removeValue
};
}];
})
.service('FileManager', function ($window, $timeout, $q) {
$window.URL = $window.URL || $window.webkitURL;
$window.BlobBuilder = $window.BlobBuilder || $window.WebKitBlobBuilder || $window.MozBlobBuilder;
function fileCopyTo (fromFileEntry, toFileEntry) {
return getFileWriter(toFileEntry).then(function (fileWriter) {
return fileWriteData(fileWriter, fromFileEntry).then(function () {
return fileWriter;
}, function (error) {
return $q.reject(error);
fileWriter.truncate(0);
});
});
}
function fileWriteData(fileWriter, bytes) {
var deferred = $q.defer();
fileWriter.onwriteend = function(e) {
deferred.resolve();
};
fileWriter.onerror = function (e) {
deferred.reject(e);
};
if (bytes.file) {
bytes.file(function (file) {
fileWriter.write(file);
}, function (error) {
deferred.reject(error);
})
}
else if (bytes instanceof Blob) { // is file bytes
fileWriter.write(bytes);
}
else {
fileWriter.write(new Blob([bytesToArrayBuffer(bytes)]));
}
return deferred.promise;
}
function chooseSaveFile (fileName, ext, mimeType) {
if (!$window.chrome || !chrome.fileSystem || !chrome.fileSystem.chooseEntry) {
return $q.reject();
};
var deferred = $q.defer();
chrome.fileSystem.chooseEntry({
type: 'saveFile',
suggestedName: fileName,
accepts: [{
mimeTypes: [mimeType],
extensions: [ext]
}]
}, function (writableFileEntry) {
deferred.resolve(writableFileEntry);
});
return deferred.promise;
}
function getFileWriter (fileEntry) {
var deferred = $q.defer();
fileEntry.createWriter(function (fileWriter) {
deferred.resolve(fileWriter);
}, function (error) {
deferred.reject(error);
});
return deferred.promise;
}
function getFakeFileWriter (mimeType, saveFileCallback) {
var blobParts = [],
fakeFileWriter = {
write: function (blob) {
blobParts.push(blob);
$timeout(function () {
if (fakeFileWriter.onwriteend) {
fakeFileWriter.onwriteend();
}
});
},
truncate: function () {
blobParts = [];
},
finalize: function () {
var blob;
try {
blob = new Blob(blobParts, {type: mimeType});
} catch (e) {
var bb = new BlobBuilder;
angular.forEach(blobParts, function(blobPart) {
bb.append(blobPart);
});
blob = bb.getBlob(mimeType);
}
if (saveFileCallback) {
saveFileCallback(blob);
}
return blob;
}
};
return fakeFileWriter;
};
function getUrl (fileData, mimeType) {
// console.log(dT(), 'get url', fileData, mimeType, fileData.toURL !== undefined, fileData instanceof Blob);
if (fileData.toURL !== undefined) {
return fileData.toURL(mimeType);
}
if (fileData instanceof Blob) {
return URL.createObjectURL(fileData);
}
return 'data:' + mimeType + ';base64,' + bytesToBase64(fileData);
}
function downloadFile (url, mimeType, fileName) {
// if (Config.Navigator.mobile) {
// window.open(url, '_blank');
// return;
// }
var anchor = $('<a>Download</a>')
.css({position: 'absolute', top: 1, left: 1})
.attr('href', url)
.attr('target', '_blank')
.attr('download', fileName)
.appendTo('body');
anchor[0].dataset.downloadurl = [mimeType, fileName, url].join(':');
anchor[0].click();
$timeout(function () {
anchor.remove();
}, 100);
}
return {
copy: fileCopyTo,
write: fileWriteData,
getFileWriter: getFileWriter,
getFakeFileWriter: getFakeFileWriter,
chooseSave: chooseSaveFile,
getUrl: getUrl,
download: downloadFile
};
})
.service('IdbFileStorage', function ($q, $window, FileManager) {
$window.indexedDB = $window.indexedDB || $window.webkitIndexedDB || $window.mozIndexedDB || $window.OIndexedDB || $window.msIndexedDB;
$window.IDBTransaction = $window.IDBTransaction || $window.webkitIDBTransaction || $window.OIDBTransaction || $window.msIDBTransaction;
var dbName = 'cachedFiles',
dbStoreName = 'files',
dbVersion = 1,
openDbPromise,
storageIsAvailable = $window.indexedDB !== undefined && $window.IDBTransaction !== undefined;
function isAvailable () {
return storageIsAvailable;
}
function openDatabase() {
if (openDbPromise) {
return openDbPromise;
}
try {
var request = indexedDB.open(dbName, dbVersion),
deferred = $q.defer(),
createObjectStore = function (db) {
db.createObjectStore(dbStoreName);
};
} catch (error) {
storageIsAvailable = false;
return $q.reject(error);
}
request.onsuccess = function (event) {
db = request.result;
db.onerror = function (error) {
storageIsAvailable = false;
console.error('Error creating/accessing IndexedDB database', error);
deferred.reject(error);
};
// Interim solution for Google Chrome to create an objectStore. Will be deprecated
if (db.setVersion) {
if (db.version != dbVersion) {
db.setVersion(dbVersion).onsuccess = function () {
createObjectStore(db);
deferred.resolve(db);
};
}
else {
deferred.resolve(db);
}
}
else {
deferred.resolve(db);
}
};
request.onerror = function (event) {
storageIsAvailable = false;
console.error('Error creating/accessing IndexedDB database', event);
deferred.reject(event);
}
request.onupgradeneeded = function (event) {
createObjectStore(event.target.result);
};
return openDbPromise = deferred.promise;
};
function saveFile (fileName, blob) {
return openDatabase().then(function (db) {
try {
var deferred = $q.defer(),
objectStore = db.transaction([dbStoreName], IDBTransaction.READ_WRITE || 'readwrite').objectStore(dbStoreName),
request = objectStore.put(blob, fileName);
} catch (error) {
storageIsAvailable = false;
return $q.reject(error);
}
request.onsuccess = function (event) {
deferred.resolve(blob);
};
request.onerror = function (error) {
deferred.reject(error);
};
return deferred.promise;
});
};
function getFile (fileName) {
return openDatabase().then(function (db) {
var deferred = $q.defer(),
objectStore = db.transaction([dbStoreName], IDBTransaction.READ || 'readonly').objectStore(dbStoreName),
request = objectStore.get(fileName);
request.onsuccess = function (event) {
if (event.target.result === undefined) {
deferred.reject();
} else {
deferred.resolve(event.target.result);
}
};
request.onerror = function (error) {
deferred.reject(error);
};
return deferred.promise;
});
}
function getFileWriter (fileName, mimeType) {
var fakeWriter = FileManager.getFakeFileWriter(mimeType, function (blob) {
saveFile(fileName, blob);
});
return $q.when(fakeWriter);
}
openDatabase();
return {
isAvailable: isAvailable,
saveFile: saveFile,
getFile: getFile,
getFileWriter: getFileWriter
};
})
.service('TmpfsFileStorage', function ($q, $window, FileManager) {
$window.requestFileSystem = $window.requestFileSystem || $window.webkitRequestFileSystem;
var reqFsPromise,
fileSystem,
storageIsAvailable = $window.requestFileSystem !== undefined;
function requestFS () {
if (reqFsPromise) {
return reqFsPromise;
}
if (!$window.requestFileSystem) {
return reqFsPromise = $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) {
storageIsAvailable = false;
deferred.reject(e);
});
return reqFsPromise = deferred.promise;
};
function isAvailable () {
return storageIsAvailable;
}
function getFile (fileName, size) {
size = size || 1;
return requestFS().then(function () {
// console.log(dT(), 'get file', fileName);
var deferred = $q.defer();
cachedFs.root.getFile(fileName, {create: false}, function(fileEntry) {
fileEntry.file(function(file) {
// console.log(dT(), 'aa', file);
if (file.size >= size) {
deferred.resolve(fileEntry);
} else {
deferred.reject(new Error('FILE_NOT_FOUND'));
}
}, function (error) {
console.log(dT(), 'error', error);
deferred.reject(error);
});
}, function () {
deferred.reject(new Error('FILE_NOT_FOUND'));
});
return deferred.promise;
});
}
function saveFile (fileName, blob) {
return getFileWriter(fileName).then(function (fileWriter) {
return FileManager.write(fileWriter, blob).then(function () {
return fileWriter.finalize();
})
});
}
function getFileWriter (fileName) {
// console.log(dT(), 'get file writer', fileName);
return requestFS().then(function () {
var deferred = $q.defer();
cachedFs.root.getFile(fileName, {create: true}, function (fileEntry) {
FileManager.getFileWriter(fileEntry).then(function (fileWriter) {
fileWriter.finalize = function () {
return fileEntry;
}
deferred.resolve(fileWriter);
}, function (error) {
deferred.reject(error);
});
}, function (error) {
deferred.reject(error);
});
return deferred.promise;
})
}
requestFS();
return {
isAvailable: isAvailable,
saveFile: saveFile,
getFile: getFile,
getFileWriter: getFileWriter
};
})
.service('MemoryFileStorage', function ($q, FileManager) {
var storage = {};
function isAvailable () {
return true;
}
function getFile (fileName, size) {
if (storage[fileName]) {
return $q.when(storage[fileName]);
}
return $q.reject(new Error('FILE_NOT_FOUND'));
}
function saveFile (fileName, blob) {
return $q.when(storage[fileName] = blob);
}
function getFileWriter (fileName, mimeType) {
var fakeWriter = FileManager.getFakeFileWriter(mimeType, function (blob) {
saveFile(fileName, blob);
});
return $q.when(fakeWriter);
}
return {
isAvailable: isAvailable,
saveFile: saveFile,
getFile: getFile,
getFileWriter: getFileWriter
};
})