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500 lines
22 KiB
JavaScript
500 lines
22 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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// 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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// success_callback(server success/failure map), error_callback(error_msg)
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// message == PushMessageContentProto (NOT STRING)
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function sendMessageToDevices(timestamp, 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.protocol_wrapper.encryptMessageFor(deviceObjectList[i], message).then(function(encryptedMsg) {
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return textsecure.protocol_wrapper.getRegistrationId(deviceObjectList[i].encodedNumber).then(function(registrationId) {
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return textsecure.storage.devices.removeTempKeysFromDevice(deviceObjectList[i].encodedNumber).then(function() {
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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: registrationId,
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content: encryptedMsg.body,
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timestamp: timestamp
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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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});
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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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var legacy = (message instanceof textsecure.protobuf.DataMessage);
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return TextSecureServer.sendMessages(number, jsonData, legacy);
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});
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}
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function makeAttachmentPointer(attachment) {
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var proto = new textsecure.protobuf.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 TextSecureServer.putAttachment(encryptedBin).then(function(id) {
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proto.id = 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 refreshGroup = function(number, groupId, devicesForNumber) {
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groupId = getString(groupId);
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var doUpdate = false;
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return Promise.all(devicesForNumber.map(function(device) {
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return textsecure.protocol_wrapper.getRegistrationId(device.encodedNumber).then(function(registrationId) {
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return textsecure.storage.groups.needUpdateByDeviceRegistrationId(
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groupId, number, device.encodedNumber, registrationId
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).then(function(needUpdate) {
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if (needUpdate) doUpdate = true;
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});
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});
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})).then(function() {
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if (!doUpdate) return;
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return textsecure.storage.groups.getGroup(groupId).then(function(group) {
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var numberIndex = group.numbers.indexOf(number);
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if (numberIndex < 0) // This is potentially a multi-message rare racing-AJAX race
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return Promise.reject("Tried to refresh group to non-member");
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var proto = new textsecure.protobuf.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(group.id);
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proto.group.type = textsecure.protobuf.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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return sendMessageToDevices(Date.now(), number, devicesForNumber, proto);
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});
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} else {
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return sendMessageToDevices(Date.now(), number, devicesForNumber, proto);
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}
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});
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});
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}
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var tryMessageAgain = function(number, encodedMessage, timestamp) {
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var proto = textsecure.protobuf.DataMessage.decode(encodedMessage);
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return new Promise(function(resolve, reject) {
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sendMessageProto(timestamp, [number], 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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textsecure.replay.registerFunction(tryMessageAgain, textsecure.replay.Type.SEND_MESSAGE);
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var sendMessageProto = function(timestamp, 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 reloadDevicesAndSend = function(number, recurse) {
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return function() {
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return textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devicesForNumber) {
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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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doSendMessage(number, devicesForNumber, recurse);
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});
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}
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};
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function getKeysForNumber(number, updateDevices) {
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var handleResult = function(response) {
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return Promise.all(response.devices.map(function(device) {
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if (updateDevices === undefined || updateDevices.indexOf(device.deviceId) > -1)
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return textsecure.storage.devices.saveKeysToDeviceObject({
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encodedNumber: number + "." + device.deviceId,
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identityKey: response.identityKey,
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preKey: device.preKey.publicKey,
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preKeyId: device.preKey.keyId,
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signedKey: device.signedPreKey.publicKey,
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signedKeyId: device.signedPreKey.keyId,
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signedKeySignature: device.signedPreKey.signature,
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registrationId: device.registrationId
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}).catch(function(error) {
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if (error.message === "Identity key changed") {
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error = new textsecure.OutgoingIdentityKeyError(number, message.toArrayBuffer(), timestamp, error.identityKey);
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registerError(number, "Identity key changed", error);
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}
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throw error;
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});
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}));
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};
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if (updateDevices === undefined) {
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return TextSecureServer.getKeysForNumber(number).then(handleResult);
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} else {
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var promises = [];
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for (var i in updateDevices)
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promises[promises.length] = TextSecureServer.getKeysForNumber(number, updateDevices[i]).then(handleResult);
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return Promise.all(promises);
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}
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}
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var doSendMessage = function(number, devicesForNumber, recurse) {
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var groupUpdate = Promise.resolve(true);
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if (message.group && message.group.id && message.group.type != textsecure.protobuf.GroupContext.Type.QUIT)
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groupUpdate = refreshGroup(number, message.group.id, devicesForNumber);
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return groupUpdate.then(function() {
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return sendMessageToDevices(timestamp, number, devicesForNumber, message).then(function(result) {
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successfulNumbers[successfulNumbers.length] = number;
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numberCompleted();
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});
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}).catch(function(error) {
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if (error instanceof Error && error.name == "HTTPError" && (error.code == 410 || error.code == 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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var p;
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if (error.code == 409) {
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p = textsecure.storage.devices.removeDeviceIdsForNumber(number, error.response.extraDevices);
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} else {
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p = Promise.all(error.response.staleDevices.map(function(deviceId) {
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return textsecure.protocol_wrapper.closeOpenSessionForDevice(number + '.' + deviceId);
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}));
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}
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p.then(function() {
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var resetDevices = ((error.code == 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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registerError(number, "Failed to reload device keys", 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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};
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var getDevicesAndSendToNumber = function(number) {
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textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devicesForNumber) {
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return Promise.all(devicesForNumber.map(function(device) {
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return textsecure.protocol_wrapper.hasOpenSession(device.encodedNumber).then(function(result) {
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if (!result)
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return getKeysForNumber(number, [parseInt(textsecure.utils.unencodeNumber(device.encodedNumber)[1])]);
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});
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})).then(function() {
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return textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devicesForNumber) {
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if (devicesForNumber.length == 0) {
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getKeysForNumber(number, [1])
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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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};
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for (var i in numbers)
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getDevicesAndSendToNumber(numbers[i]);
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}
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var sendIndividualProto = function(number, proto, timestamp) {
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return new Promise(function(resolve, reject) {
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sendMessageProto(timestamp, [number], 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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var sendSyncMessage = function(message, timestamp, destination) {
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var myNumber = textsecure.storage.user.getNumber();
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var myDevice = textsecure.storage.user.getDeviceId();
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if (myDevice != 1) {
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var sentMessage = new textsecure.protobuf.SyncMessage.Sent();
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sentMessage.timestamp = timestamp;
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sentMessage.message = message;
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if (destination) {
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sentMessage.destination = destination;
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}
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var syncMessage = new textsecure.protobuf.SyncMessage();
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syncMessage.sent = sentMessage;
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var contentMessage = new textsecure.protobuf.Content();
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contentMessage.syncMessage = syncMessage;
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return sendIndividualProto(myNumber, contentMessage, Date.now());
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}
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}
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self.sendRequestGroupSyncMessage = function() {
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var myNumber = textsecure.storage.user.getNumber();
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var myDevice = textsecure.storage.user.getDeviceId();
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if (myDevice != 1) {
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var request = new textsecure.protobuf.SyncMessage.Request();
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request.type = textsecure.protobuf.SyncMessage.Request.Type.GROUPS;
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var syncMessage = new textsecure.protobuf.SyncMessage();
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syncMessage.request = request;
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var contentMessage = new textsecure.protobuf.Content();
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contentMessage.syncMessage = syncMessage;
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return sendIndividualProto(myNumber, contentMessage, Date.now());
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}
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};
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self.sendRequestContactSyncMessage = function() {
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var myNumber = textsecure.storage.user.getNumber();
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var myDevice = textsecure.storage.user.getDeviceId();
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if (myDevice != 1) {
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var request = new textsecure.protobuf.SyncMessage.Request();
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request.type = textsecure.protobuf.SyncMessage.Request.Type.CONTACTS;
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var syncMessage = new textsecure.protobuf.SyncMessage();
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syncMessage.request = request;
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var contentMessage = new textsecure.protobuf.Content();
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contentMessage.syncMessage = syncMessage;
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return sendIndividualProto(myNumber, contentMessage, Date.now());
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}
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};
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var sendGroupProto = function(numbers, proto, timestamp) {
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timestamp = timestamp || Date.now();
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var me = textsecure.storage.user.getNumber();
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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(timestamp, 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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}).then(function() {
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return sendSyncMessage(proto, timestamp);
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});
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}
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self.sendMessageToNumber = function(number, messageText, attachments, timestamp) {
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var proto = new textsecure.protobuf.DataMessage();
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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, timestamp).then(function() {
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return sendSyncMessage(proto, timestamp, number);
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});
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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.DataMessage();
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proto.body = "TERMINATE";
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proto.flags = textsecure.protobuf.DataMessage.Flags.END_SESSION;
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return sendIndividualProto(number, proto, Date.now()).then(function(res) {
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return textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devices) {
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return Promise.all(devices.map(function(device) {
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return textsecure.protocol_wrapper.closeOpenSessionForDevice(device.encodedNumber);
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})).then(function() {
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return res;
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});
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});
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});
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}
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self.sendMessageToGroup = function(groupId, messageText, attachments, timestamp) {
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var proto = new textsecure.protobuf.DataMessage();
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proto.body = messageText;
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.GroupContext.Type.DELIVER;
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return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
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if (numbers === undefined)
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return Promise.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, timestamp);
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});
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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.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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return textsecure.storage.groups.createNewGroup(numbers).then(function(group) {
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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.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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}
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self.updateGroup = function(groupId, name, avatar, numbers) {
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var proto = new textsecure.protobuf.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
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proto.group.name = name;
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return textsecure.storage.groups.addNumbers(groupId, numbers).then(function(numbers) {
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if (numbers === undefined) {
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return Promise.reject(new Error("Unknown Group"));
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}
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proto.group.members = numbers;
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if (avatar !== undefined && avatar !== null) {
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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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}
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self.addNumberToGroup = function(groupId, number) {
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var proto = new textsecure.protobuf.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
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return textsecure.storage.groups.addNumbers(groupId, [number]).then(function(numbers) {
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if (numbers === undefined)
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return Promise.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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}
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self.setGroupName = function(groupId, name) {
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var proto = new textsecure.protobuf.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
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proto.group.name = name;
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return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
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if (numbers === undefined)
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return Promise.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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}
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self.setGroupAvatar = function(groupId, avatar) {
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var proto = new textsecure.protobuf.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
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return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
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if (numbers === undefined)
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return Promise.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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}
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self.leaveGroup = function(groupId) {
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var proto = new textsecure.protobuf.DataMessage();
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proto.group = new textsecure.protobuf.GroupContext();
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proto.group.id = toArrayBuffer(groupId);
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proto.group.type = textsecure.protobuf.GroupContext.Type.QUIT;
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return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
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if (numbers === undefined)
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return Promise.reject(new Error("Unknown Group"));
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return textsecure.storage.groups.deleteGroup(groupId).then(function() {
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return sendGroupProto(numbers, proto);
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});
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});
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}
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return self;
|
|
}();
|