211129475c
Parse attachment ids out of the attachment pointer url and return them as strings because the copy parsed by JSON suffers a loss of precision. Convert them to and from the format expected by the protobuf using facilities from decodeIO.Long.
368 lines
13 KiB
JavaScript
368 lines
13 KiB
JavaScript
// sendMessage(numbers = [], message = PushMessageContentProto, callback(success/failure map))
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window.textsecure.messaging = function() {
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'use strict';
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var self = {};
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function getKeysForNumber(number, updateDevices) {
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var handleResult = function(response) {
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for (var i in response.devices) {
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if (updateDevices === undefined || updateDevices.indexOf(response.devices[i].deviceId) > -1)
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textsecure.storage.devices.saveKeysToDeviceObject({
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encodedNumber: number + "." + response.devices[i].deviceId,
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identityKey: response.identityKey,
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preKey: response.devices[i].preKey.publicKey,
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preKeyId: response.devices[i].preKey.keyId,
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signedKey: response.devices[i].signedPreKey.publicKey,
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signedKeyId: response.devices[i].signedPreKey.keyId,
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registrationId: response.devices[i].registrationId
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});
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}
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};
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var promises = [];
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if (updateDevices !== undefined)
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for (var i in updateDevices)
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promises[promises.length] = textsecure.api.getKeysForNumber(number, updateDevices[i]).then(handleResult);
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else
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return textsecure.api.getKeysForNumber(number).then(handleResult);
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return Promise.all(promises);
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}
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// success_callback(server success/failure map), error_callback(error_msg)
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// message == PushMessageContentProto (NOT STRING)
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function sendMessageToDevices(number, deviceObjectList, message, success_callback, error_callback) {
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var jsonData = [];
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var relay = undefined;
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var promises = [];
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var addEncryptionFor = function(i) {
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if (deviceObjectList[i].relay !== undefined) {
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if (relay === undefined)
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relay = deviceObjectList[i].relay;
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else if (relay != deviceObjectList[i].relay)
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return new Promise(function() { throw new Error("Mismatched relays for number " + number); });
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} else {
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if (relay === undefined)
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relay = "";
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else if (relay != "")
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return new Promise(function() { throw new Error("Mismatched relays for number " + number); });
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}
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return textsecure.crypto.encryptMessageFor(deviceObjectList[i], message).then(function(encryptedMsg) {
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jsonData[i] = {
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type: encryptedMsg.type,
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destinationDeviceId: textsecure.utils.unencodeNumber(deviceObjectList[i].encodedNumber)[1],
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destinationRegistrationId: deviceObjectList[i].registrationId,
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body: encryptedMsg.body,
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timestamp: new Date().getTime()
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};
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if (deviceObjectList[i].relay !== undefined)
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jsonData[i].relay = deviceObjectList[i].relay;
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});
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}
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for (var i = 0; i < deviceObjectList.length; i++)
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promises[i] = addEncryptionFor(i);
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return Promise.all(promises).then(function() {
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return textsecure.api.sendMessages(number, jsonData);
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});
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}
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var sendGroupProto;
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var makeAttachmentPointer;
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var refreshGroups = function(number) {
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var groups = textsecure.storage.groups.getGroupListForNumber(number);
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var promises = [];
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for (var i in groups) {
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var group = textsecure.storage.groups.getGroup(groups[i]);
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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proto.group.id = toArrayBuffer(group.id);
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.UPDATE;
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proto.group.members = group.numbers;
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proto.group.name = group.name === undefined ? null : group.name;
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if (group.avatar !== undefined) {
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return makeAttachmentPointer(group.avatar).then(function(attachment) {
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proto.group.avatar = attachment;
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promises.push(sendGroupProto([number], proto));
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});
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} else {
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promises.push(sendGroupProto([number], proto));
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}
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}
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return Promise.all(promises);
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}
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var tryMessageAgain = function(number, encodedMessage, callback) {
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//TODO: Wipe identity key!
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refreshGroups(number).then(function() {
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var message = textsecure.protobuf.PushMessageContent.decode(encodedMessage, 'binary');
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textsecure.sendMessage([number], message, callback);
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});
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};
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textsecure.replay.registerReplayFunction(tryMessageAgain, textsecure.replay.SEND_MESSAGE);
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var sendMessageProto = function(numbers, message, callback) {
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var numbersCompleted = 0;
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var errors = [];
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var successfulNumbers = [];
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var numberCompleted = function() {
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numbersCompleted++;
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if (numbersCompleted >= numbers.length)
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callback({success: successfulNumbers, failure: errors});
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}
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var registerError = function(number, message, error) {
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if (error) {
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if (error.humanError)
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message = error.humanError;
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} else
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error = new Error(message);
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errors[errors.length] = { number: number, reason: message, error: error };
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numberCompleted();
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}
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var doSendMessage;
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var reloadDevicesAndSend = function(number, recurse) {
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return function() {
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var devicesForNumber = textsecure.storage.devices.getDeviceObjectsForNumber(number);
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if (devicesForNumber.length == 0)
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return registerError(number, "Got empty device list when loading device keys", null);
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refreshGroups(number).then(function() {
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doSendMessage(number, devicesForNumber, recurse);
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});
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}
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}
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doSendMessage = function(number, devicesForNumber, recurse) {
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return sendMessageToDevices(number, devicesForNumber, message).then(function(result) {
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successfulNumbers[successfulNumbers.length] = number;
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numberCompleted();
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}).catch(function(error) {
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if (error instanceof Error && error.name == "HTTPError" && (error.message == 410 || error.message == 409)) {
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if (!recurse)
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return registerError(number, "Hit retry limit attempting to reload device list", error);
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if (error.message == 409)
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textsecure.storage.devices.removeDeviceIdsForNumber(number, error.response.extraDevices);
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var resetDevices = ((error.message == 410) ? error.response.staleDevices : error.response.missingDevices);
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getKeysForNumber(number, resetDevices)
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.then(reloadDevicesAndSend(number, false))
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.catch(function(error) {
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if (error.message !== "Identity key changed")
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registerError(number, "Failed to reload device keys", error);
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else {
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error = textsecure.replay.createReplayableError("The destination's identity key has changed", "The identity of the destination has changed. This may be malicious, or the destination may have simply reinstalled TextSecure.",
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textsecure.replay.SEND_MESSAGE, [number, getString(message.encode())]);
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registerError(number, "Identity key changed", error);
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}
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});
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} else
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registerError(number, "Failed to create or send message", error);
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});
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}
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_.each(numbers, function(number) {
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var devicesForNumber = textsecure.storage.devices.getDeviceObjectsForNumber(number);
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var promises = [];
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for (var j in devicesForNumber)
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if (devicesForNumber[j].registrationId === undefined)
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promises[promises.length] = getKeysForNumber(number, [parseInt(textsecure.utils.unencodeNumber(devicesForNumber[j].encodedNumber)[1])]);
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Promise.all(promises).then(function() {
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devicesForNumber = textsecure.storage.devices.getDeviceObjectsForNumber(number);
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if (devicesForNumber.length == 0) {
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getKeysForNumber(number)
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.then(reloadDevicesAndSend(number, true))
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.catch(function(error) {
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registerError(number, "Failed to retreive new device keys for number " + number, error);
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});
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} else
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doSendMessage(number, devicesForNumber, true);
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});
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});
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}
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makeAttachmentPointer = function(attachment) {
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var proto = new textsecure.protobuf.PushMessageContent.AttachmentPointer();
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proto.key = textsecure.crypto.getRandomBytes(64);
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var iv = textsecure.crypto.getRandomBytes(16);
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return textsecure.crypto.encryptAttachment(attachment.data, proto.key, iv).then(function(encryptedBin) {
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return textsecure.api.putAttachment(encryptedBin).then(function(id) {
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proto.id = dcodeIO.Long.fromString(id);
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proto.contentType = attachment.contentType;
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return proto;
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});
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});
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}
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var sendIndividualProto = function(number, proto) {
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return new Promise(function(resolve, reject) {
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sendMessageProto([number], proto, function(res) {
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if (res.failure.length > 0)
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reject(res.failure[0].error);
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else
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resolve();
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});
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});
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}
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sendGroupProto = function(numbers, proto) {
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var me = textsecure.utils.unencodeNumber(textsecure.storage.getUnencrypted("number_id"))[0];
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numbers = numbers.filter(function(number) { return number != me; });
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return new Promise(function(resolve, reject) {
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sendMessageProto(numbers, proto, function(res) {
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if (res.failure.length > 0)
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reject(res.failure);
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else
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resolve();
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});
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});
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}
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self.sendMessageToNumber = function(number, messageText, attachments) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.body = messageText;
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var promises = [];
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for (var i in attachments)
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promises.push(makeAttachmentPointer(attachments[i]));
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return Promise.all(promises).then(function(attachmentsArray) {
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proto.attachments = attachmentsArray;
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return sendIndividualProto(number, proto);
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});
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}
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self.closeSession = function(number) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.body = "TERMINATE";
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proto.flags = textsecure.protobuf.PushMessageContent.Flags.END_SESSION;
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return sendIndividualProto(number, proto).then(function(res) {
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var devices = textsecure.storage.devices.getDeviceObjectsForNumber(number);
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for (var i in devices)
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textsecure.crypto.closeOpenSessionForDevice(devices[i].encodedNumber);
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return res;
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});
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}
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self.sendMessageToGroup = function(groupId, messageText, attachments) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.body = messageText;
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.DELIVER;
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var numbers = textsecure.storage.groups.getNumbers(groupId);
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if (numbers === undefined)
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return new Promise(function(resolve, reject) { reject(new Error("Unknown Group")); });
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var promises = [];
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for (var i in attachments)
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promises.push(makeAttachmentPointer(attachments[i]));
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return Promise.all(promises).then(function(attachmentsArray) {
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proto.attachments = attachmentsArray;
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return sendGroupProto(numbers, proto);
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});
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}
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self.createGroup = function(numbers, name, avatar) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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var group = textsecure.storage.groups.createNewGroup(numbers);
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proto.group.id = toArrayBuffer(group.id);
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var numbers = group.numbers;
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.UPDATE;
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proto.group.members = numbers;
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proto.group.name = name;
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if (avatar !== undefined) {
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return makeAttachmentPointer(avatar).then(function(attachment) {
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proto.group.avatar = attachment;
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return sendGroupProto(numbers, proto).then(function() {
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return proto.group.id;
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});
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});
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} else {
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return sendGroupProto(numbers, proto).then(function() {
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return proto.group.id;
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});
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}
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}
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self.addNumberToGroup = function(groupId, number) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.UPDATE;
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var numbers = textsecure.storage.groups.addNumbers(groupId, [number]);
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if (numbers === undefined)
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return new Promise(function(resolve, reject) { reject(new Error("Unknown Group")); });
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proto.group.members = numbers;
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return sendGroupProto(numbers, proto);
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}
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self.setGroupName = function(groupId, name) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.UPDATE;
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proto.group.name = name;
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var numbers = textsecure.storage.groups.getNumbers(groupId);
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if (numbers === undefined)
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return new Promise(function(resolve, reject) { reject(new Error("Unknown Group")); });
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proto.group.members = numbers;
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return sendGroupProto(numbers, proto);
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}
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self.setGroupAvatar = function(groupId, avatar) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.UPDATE;
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var numbers = textsecure.storage.groups.getNumbers(groupId);
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if (numbers === undefined)
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return new Promise(function(resolve, reject) { reject(new Error("Unknown Group")); });
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proto.group.members = numbers;
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return makeAttachmentPointer(avatar).then(function(attachment) {
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proto.group.avatar = attachment;
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return sendGroupProto(numbers, proto);
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});
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}
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self.leaveGroup = function(groupId) {
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var proto = new textsecure.protobuf.PushMessageContent();
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proto.group = new textsecure.protobuf.PushMessageContent.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.PushMessageContent.GroupContext.Type.QUIT;
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var numbers = textsecure.storage.groups.getNumbers(groupId);
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if (numbers === undefined)
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return new Promise(function(resolve, reject) { reject(new Error("Unknown Group")); });
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textsecure.storage.groups.deleteGroup(groupId);
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return sendGroupProto(numbers, proto);
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}
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return self;
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}();
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