signal-desktop/libtextsecure/sendmessage.js
2018-10-29 14:49:18 -07:00

991 lines
28 KiB
JavaScript

/* global textsecure, WebAPI, libsignal, OutgoingMessage, window */
/* eslint-disable more/no-then, no-bitwise */
function stringToArrayBuffer(str) {
if (typeof str !== 'string') {
throw new Error('Passed non-string to stringToArrayBuffer');
}
const res = new ArrayBuffer(str.length);
const uint = new Uint8Array(res);
for (let i = 0; i < str.length; i += 1) {
uint[i] = str.charCodeAt(i);
}
return res;
}
function Message(options) {
this.body = options.body;
this.attachments = options.attachments || [];
this.quote = options.quote;
this.group = options.group;
this.flags = options.flags;
this.recipients = options.recipients;
this.timestamp = options.timestamp;
this.needsSync = options.needsSync;
this.expireTimer = options.expireTimer;
this.profileKey = options.profileKey;
if (!(this.recipients instanceof Array) || this.recipients.length < 1) {
throw new Error('Invalid recipient list');
}
if (!this.group && this.recipients.length > 1) {
throw new Error('Invalid recipient list for non-group');
}
if (typeof this.timestamp !== 'number') {
throw new Error('Invalid timestamp');
}
if (this.expireTimer !== undefined && this.expireTimer !== null) {
if (typeof this.expireTimer !== 'number' || !(this.expireTimer >= 0)) {
throw new Error('Invalid expireTimer');
}
}
if (this.attachments) {
if (!(this.attachments instanceof Array)) {
throw new Error('Invalid message attachments');
}
}
if (this.flags !== undefined) {
if (typeof this.flags !== 'number') {
throw new Error('Invalid message flags');
}
}
if (this.isEndSession()) {
if (
this.body !== null ||
this.group !== null ||
this.attachments.length !== 0
) {
throw new Error('Invalid end session message');
}
} else {
if (
typeof this.timestamp !== 'number' ||
(this.body && typeof this.body !== 'string')
) {
throw new Error('Invalid message body');
}
if (this.group) {
if (
typeof this.group.id !== 'string' ||
typeof this.group.type !== 'number'
) {
throw new Error('Invalid group context');
}
}
}
}
Message.prototype = {
constructor: Message,
isEndSession() {
return this.flags & textsecure.protobuf.DataMessage.Flags.END_SESSION;
},
toProto() {
if (this.dataMessage instanceof textsecure.protobuf.DataMessage) {
return this.dataMessage;
}
const proto = new textsecure.protobuf.DataMessage();
if (this.body) {
proto.body = this.body;
}
proto.attachments = this.attachmentPointers;
if (this.flags) {
proto.flags = this.flags;
}
if (this.group) {
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = stringToArrayBuffer(this.group.id);
proto.group.type = this.group.type;
}
if (this.quote) {
const { QuotedAttachment } = textsecure.protobuf.DataMessage.Quote;
const { Quote } = textsecure.protobuf.DataMessage;
proto.quote = new Quote();
const { quote } = proto;
quote.id = this.quote.id;
quote.author = this.quote.author;
quote.text = this.quote.text;
quote.attachments = (this.quote.attachments || []).map(attachment => {
const quotedAttachment = new QuotedAttachment();
quotedAttachment.contentType = attachment.contentType;
quotedAttachment.fileName = attachment.fileName;
if (attachment.attachmentPointer) {
quotedAttachment.thumbnail = attachment.attachmentPointer;
}
return quotedAttachment;
});
}
if (this.expireTimer) {
proto.expireTimer = this.expireTimer;
}
if (this.profileKey) {
proto.profileKey = this.profileKey;
}
this.dataMessage = proto;
return proto;
},
toArrayBuffer() {
return this.toProto().toArrayBuffer();
},
};
function MessageSender(username, password) {
this.server = WebAPI.connect({ username, password });
this.pendingMessages = {};
}
MessageSender.prototype = {
constructor: MessageSender,
// makeAttachmentPointer :: Attachment -> Promise AttachmentPointerProto
makeAttachmentPointer(attachment) {
if (typeof attachment !== 'object' || attachment == null) {
return Promise.resolve(undefined);
}
if (
!(attachment.data instanceof ArrayBuffer) &&
!ArrayBuffer.isView(attachment.data)
) {
return Promise.reject(
new TypeError(
`\`attachment.data\` must be an \`ArrayBuffer\` or \`ArrayBufferView\`; got: ${typeof attachment.data}`
)
);
}
const proto = new textsecure.protobuf.AttachmentPointer();
proto.key = libsignal.crypto.getRandomBytes(64);
const iv = libsignal.crypto.getRandomBytes(16);
return textsecure.crypto
.encryptAttachment(attachment.data, proto.key, iv)
.then(result =>
this.server.putAttachment(result.ciphertext).then(id => {
proto.id = id;
proto.contentType = attachment.contentType;
proto.digest = result.digest;
if (attachment.fileName) {
proto.fileName = attachment.fileName;
}
if (attachment.size) {
proto.size = attachment.size;
}
if (attachment.flags) {
proto.flags = attachment.flags;
}
return proto;
})
);
},
queueJobForNumber(number, runJob) {
const taskWithTimeout = textsecure.createTaskWithTimeout(
runJob,
`queueJobForNumber ${number}`
);
const runPrevious = this.pendingMessages[number] || Promise.resolve();
this.pendingMessages[number] = runPrevious.then(
taskWithTimeout,
taskWithTimeout
);
const runCurrent = this.pendingMessages[number];
runCurrent.then(() => {
if (this.pendingMessages[number] === runCurrent) {
delete this.pendingMessages[number];
}
});
},
uploadAttachments(message) {
return Promise.all(
message.attachments.map(this.makeAttachmentPointer.bind(this))
)
.then(attachmentPointers => {
// eslint-disable-next-line no-param-reassign
message.attachmentPointers = attachmentPointers;
})
.catch(error => {
if (error instanceof Error && error.name === 'HTTPError') {
throw new textsecure.MessageError(message, error);
} else {
throw error;
}
});
},
uploadThumbnails(message) {
const makePointer = this.makeAttachmentPointer.bind(this);
const { quote } = message;
if (!quote || !quote.attachments || quote.attachments.length === 0) {
return Promise.resolve();
}
return Promise.all(
quote.attachments.map(attachment => {
const { thumbnail } = attachment;
if (!thumbnail) {
return null;
}
return makePointer(thumbnail).then(pointer => {
// eslint-disable-next-line no-param-reassign
attachment.attachmentPointer = pointer;
});
})
).catch(error => {
if (error instanceof Error && error.name === 'HTTPError') {
throw new textsecure.MessageError(message, error);
} else {
throw error;
}
});
},
sendMessage(attrs, options) {
const message = new Message(attrs);
const silent = false;
return Promise.all([
this.uploadAttachments(message),
this.uploadThumbnails(message),
]).then(
() =>
new Promise((resolve, reject) => {
this.sendMessageProto(
message.timestamp,
message.recipients,
message.toProto(),
res => {
res.dataMessage = message.toArrayBuffer();
if (res.errors.length > 0) {
reject(res);
} else {
resolve(res);
}
},
silent,
options
);
})
);
},
sendMessageProto(
timestamp,
numbers,
message,
callback,
silent,
options = {}
) {
const rejections = textsecure.storage.get('signedKeyRotationRejected', 0);
if (rejections > 5) {
throw new textsecure.SignedPreKeyRotationError(
numbers,
message.toArrayBuffer(),
timestamp
);
}
const outgoing = new OutgoingMessage(
this.server,
timestamp,
numbers,
message,
silent,
callback,
options
);
numbers.forEach(number => {
this.queueJobForNumber(number, () => outgoing.sendToNumber(number));
});
},
sendIndividualProto(number, proto, timestamp, silent, options = {}) {
return new Promise((resolve, reject) => {
const callback = res => {
if (res.errors.length > 0) {
reject(res);
} else {
resolve(res);
}
};
this.sendMessageProto(
timestamp,
[number],
proto,
callback,
silent,
options
);
});
},
createSyncMessage() {
const syncMessage = new textsecure.protobuf.SyncMessage();
// Generate a random int from 1 and 512
const buffer = libsignal.crypto.getRandomBytes(1);
const paddingLength = (new Uint8Array(buffer)[0] & 0x1ff) + 1;
// Generate a random padding buffer of the chosen size
syncMessage.padding = libsignal.crypto.getRandomBytes(paddingLength);
return syncMessage;
},
sendSyncMessage(
encodedDataMessage,
timestamp,
destination,
expirationStartTimestamp,
sentTo = [],
unidentifiedDeliveries = [],
options
) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
if (myDevice === 1 || myDevice === '1') {
return Promise.resolve();
}
const dataMessage = textsecure.protobuf.DataMessage.decode(
encodedDataMessage
);
const sentMessage = new textsecure.protobuf.SyncMessage.Sent();
sentMessage.timestamp = timestamp;
sentMessage.message = dataMessage;
if (destination) {
sentMessage.destination = destination;
}
if (expirationStartTimestamp) {
sentMessage.expirationStartTimestamp = expirationStartTimestamp;
}
const unidentifiedLookup = unidentifiedDeliveries.reduce(
(accumulator, item) => {
// eslint-disable-next-line no-param-reassign
accumulator[item] = true;
return accumulator;
},
Object.create(null)
);
// Though this field has 'unidenified' in the name, it should have entries for each
// number we sent to.
if (sentTo && sentTo.length) {
sentMessage.unidentifiedStatus = sentTo.map(number => {
const status = new textsecure.protobuf.SyncMessage.Sent.UnidentifiedDeliveryStatus();
status.destination = number;
status.unidentified = Boolean(unidentifiedLookup[number]);
return status;
});
}
const syncMessage = this.createSyncMessage();
syncMessage.sent = sentMessage;
const contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
const silent = true;
return this.sendIndividualProto(
myNumber,
contentMessage,
Date.now(),
silent,
options
);
},
async getProfile(number, { accessKey } = {}) {
if (accessKey) {
return this.server.getProfileUnauth(number, { accessKey });
}
return this.server.getProfile(number);
},
getAvatar(path) {
return this.server.getAvatar(path);
},
sendRequestConfigurationSyncMessage(options) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
if (myDevice !== 1 && myDevice !== '1') {
const request = new textsecure.protobuf.SyncMessage.Request();
request.type = textsecure.protobuf.SyncMessage.Request.Type.CONFIGURATION;
const syncMessage = this.createSyncMessage();
syncMessage.request = request;
const contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
const silent = true;
return this.sendIndividualProto(
myNumber,
contentMessage,
Date.now(),
silent,
options
);
}
return Promise.resolve();
},
sendRequestGroupSyncMessage(options) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
if (myDevice !== 1 && myDevice !== '1') {
const request = new textsecure.protobuf.SyncMessage.Request();
request.type = textsecure.protobuf.SyncMessage.Request.Type.GROUPS;
const syncMessage = this.createSyncMessage();
syncMessage.request = request;
const contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
const silent = true;
return this.sendIndividualProto(
myNumber,
contentMessage,
Date.now(),
silent,
options
);
}
return Promise.resolve();
},
sendRequestContactSyncMessage(options) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
if (myDevice !== 1 && myDevice !== '1') {
const request = new textsecure.protobuf.SyncMessage.Request();
request.type = textsecure.protobuf.SyncMessage.Request.Type.CONTACTS;
const syncMessage = this.createSyncMessage();
syncMessage.request = request;
const contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
const silent = true;
return this.sendIndividualProto(
myNumber,
contentMessage,
Date.now(),
silent,
options
);
}
return Promise.resolve();
},
sendDeliveryReceipt(recipientId, timestamp, options) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
if (myNumber === recipientId && (myDevice === 1 || myDevice === '1')) {
return Promise.resolve();
}
const receiptMessage = new textsecure.protobuf.ReceiptMessage();
receiptMessage.type = textsecure.protobuf.ReceiptMessage.Type.DELIVERY;
receiptMessage.timestamp = [timestamp];
const contentMessage = new textsecure.protobuf.Content();
contentMessage.receiptMessage = receiptMessage;
const silent = true;
return this.sendIndividualProto(
recipientId,
contentMessage,
Date.now(),
silent,
options
);
},
sendReadReceipts(sender, timestamps, options) {
const receiptMessage = new textsecure.protobuf.ReceiptMessage();
receiptMessage.type = textsecure.protobuf.ReceiptMessage.Type.READ;
receiptMessage.timestamp = timestamps;
const contentMessage = new textsecure.protobuf.Content();
contentMessage.receiptMessage = receiptMessage;
const silent = true;
return this.sendIndividualProto(
sender,
contentMessage,
Date.now(),
silent,
options
);
},
syncReadMessages(reads, options) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
if (myDevice !== 1 && myDevice !== '1') {
const syncMessage = this.createSyncMessage();
syncMessage.read = [];
for (let i = 0; i < reads.length; i += 1) {
const read = new textsecure.protobuf.SyncMessage.Read();
read.timestamp = reads[i].timestamp;
read.sender = reads[i].sender;
syncMessage.read.push(read);
}
const contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
const silent = true;
return this.sendIndividualProto(
myNumber,
contentMessage,
Date.now(),
silent,
options
);
}
return Promise.resolve();
},
syncVerification(destination, state, identityKey, options) {
const myNumber = textsecure.storage.user.getNumber();
const myDevice = textsecure.storage.user.getDeviceId();
const now = Date.now();
if (myDevice === 1 || myDevice === '1') {
return Promise.resolve();
}
// First send a null message to mask the sync message.
const nullMessage = new textsecure.protobuf.NullMessage();
// Generate a random int from 1 and 512
const buffer = libsignal.crypto.getRandomBytes(1);
const paddingLength = (new Uint8Array(buffer)[0] & 0x1ff) + 1;
// Generate a random padding buffer of the chosen size
nullMessage.padding = libsignal.crypto.getRandomBytes(paddingLength);
const contentMessage = new textsecure.protobuf.Content();
contentMessage.nullMessage = nullMessage;
// We want the NullMessage to look like a normal outgoing message; not silent
const silent = false;
const promise = this.sendIndividualProto(
destination,
contentMessage,
now,
silent,
options
);
return promise.then(() => {
const verified = new textsecure.protobuf.Verified();
verified.state = state;
verified.destination = destination;
verified.identityKey = identityKey;
verified.nullMessage = nullMessage.padding;
const syncMessage = this.createSyncMessage();
syncMessage.verified = verified;
const secondMessage = new textsecure.protobuf.Content();
secondMessage.syncMessage = syncMessage;
const innerSilent = true;
return this.sendIndividualProto(
myNumber,
secondMessage,
now,
innerSilent,
options
);
});
},
sendGroupProto(providedNumbers, proto, timestamp = Date.now(), options = {}) {
const me = textsecure.storage.user.getNumber();
const numbers = providedNumbers.filter(number => number !== me);
if (numbers.length === 0) {
return Promise.reject(new Error('No other members in the group'));
}
return new Promise((resolve, reject) => {
const silent = true;
const callback = res => {
res.dataMessage = proto.toArrayBuffer();
if (res.errors.length > 0) {
reject(res);
} else {
resolve(res);
}
};
this.sendMessageProto(
timestamp,
numbers,
proto,
callback,
silent,
options
);
});
},
sendMessageToNumber(
number,
messageText,
attachments,
quote,
timestamp,
expireTimer,
profileKey,
options
) {
return this.sendMessage(
{
recipients: [number],
body: messageText,
timestamp,
attachments,
quote,
needsSync: true,
expireTimer,
profileKey,
},
options
);
},
resetSession(number, timestamp, options) {
window.log.info('resetting secure session');
const silent = false;
const proto = new textsecure.protobuf.DataMessage();
proto.body = 'TERMINATE';
proto.flags = textsecure.protobuf.DataMessage.Flags.END_SESSION;
const logError = prefix => error => {
window.log.error(prefix, error && error.stack ? error.stack : error);
throw error;
};
const deleteAllSessions = targetNumber =>
textsecure.storage.protocol.getDeviceIds(targetNumber).then(deviceIds =>
Promise.all(
deviceIds.map(deviceId => {
const address = new libsignal.SignalProtocolAddress(
targetNumber,
deviceId
);
window.log.info('deleting sessions for', address.toString());
const sessionCipher = new libsignal.SessionCipher(
textsecure.storage.protocol,
address
);
return sessionCipher.deleteAllSessionsForDevice();
})
)
);
const sendToContact = deleteAllSessions(number)
.catch(logError('resetSession/deleteAllSessions1 error:'))
.then(() => {
window.log.info(
'finished closing local sessions, now sending to contact'
);
return this.sendIndividualProto(
number,
proto,
timestamp,
silent,
options
).catch(logError('resetSession/sendToContact error:'));
})
.then(() =>
deleteAllSessions(number).catch(
logError('resetSession/deleteAllSessions2 error:')
)
);
const buffer = proto.toArrayBuffer();
const sendSync = this.sendSyncMessage(
buffer,
timestamp,
number,
null,
[],
[],
options
).catch(logError('resetSession/sendSync error:'));
return Promise.all([sendToContact, sendSync]);
},
sendMessageToGroup(
groupId,
messageText,
attachments,
quote,
timestamp,
expireTimer,
profileKey,
options
) {
return textsecure.storage.groups.getNumbers(groupId).then(targetNumbers => {
if (targetNumbers === undefined) {
return Promise.reject(new Error('Unknown Group'));
}
const me = textsecure.storage.user.getNumber();
const numbers = targetNumbers.filter(number => number !== me);
if (numbers.length === 0) {
return Promise.reject(new Error('No other members in the group'));
}
return this.sendMessage(
{
recipients: numbers,
body: messageText,
timestamp,
attachments,
quote,
needsSync: true,
expireTimer,
profileKey,
group: {
id: groupId,
type: textsecure.protobuf.GroupContext.Type.DELIVER,
},
},
options
);
});
},
createGroup(targetNumbers, name, avatar, options) {
const proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
return textsecure.storage.groups
.createNewGroup(targetNumbers)
.then(group => {
proto.group.id = stringToArrayBuffer(group.id);
const { numbers } = group;
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.members = numbers;
proto.group.name = name;
return this.makeAttachmentPointer(avatar).then(attachment => {
proto.group.avatar = attachment;
return this.sendGroupProto(numbers, proto, Date.now(), options).then(
() => proto.group.id
);
});
});
},
updateGroup(groupId, name, avatar, targetNumbers, options) {
const proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.name = name;
return textsecure.storage.groups
.addNumbers(groupId, targetNumbers)
.then(numbers => {
if (numbers === undefined) {
return Promise.reject(new Error('Unknown Group'));
}
proto.group.members = numbers;
return this.makeAttachmentPointer(avatar).then(attachment => {
proto.group.avatar = attachment;
return this.sendGroupProto(numbers, proto, Date.now(), options).then(
() => proto.group.id
);
});
});
},
addNumberToGroup(groupId, number, options) {
const proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
return textsecure.storage.groups
.addNumbers(groupId, [number])
.then(numbers => {
if (numbers === undefined)
return Promise.reject(new Error('Unknown Group'));
proto.group.members = numbers;
return this.sendGroupProto(numbers, proto, Date.now(), options);
});
},
setGroupName(groupId, name, options) {
const proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.name = name;
return textsecure.storage.groups.getNumbers(groupId).then(numbers => {
if (numbers === undefined)
return Promise.reject(new Error('Unknown Group'));
proto.group.members = numbers;
return this.sendGroupProto(numbers, proto, Date.now(), options);
});
},
setGroupAvatar(groupId, avatar, options) {
const proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
return textsecure.storage.groups.getNumbers(groupId).then(numbers => {
if (numbers === undefined)
return Promise.reject(new Error('Unknown Group'));
proto.group.members = numbers;
return this.makeAttachmentPointer(avatar).then(attachment => {
proto.group.avatar = attachment;
return this.sendGroupProto(numbers, proto, Date.now(), options);
});
});
},
leaveGroup(groupId, options) {
const proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = stringToArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.QUIT;
return textsecure.storage.groups.getNumbers(groupId).then(numbers => {
if (numbers === undefined)
return Promise.reject(new Error('Unknown Group'));
return textsecure.storage.groups
.deleteGroup(groupId)
.then(() => this.sendGroupProto(numbers, proto, Date.now(), options));
});
},
sendExpirationTimerUpdateToGroup(
groupId,
expireTimer,
timestamp,
profileKey,
options
) {
return textsecure.storage.groups.getNumbers(groupId).then(targetNumbers => {
if (targetNumbers === undefined)
return Promise.reject(new Error('Unknown Group'));
const me = textsecure.storage.user.getNumber();
const numbers = targetNumbers.filter(number => number !== me);
if (numbers.length === 0) {
return Promise.reject(new Error('No other members in the group'));
}
return this.sendMessage(
{
recipients: numbers,
timestamp,
needsSync: true,
expireTimer,
profileKey,
flags: textsecure.protobuf.DataMessage.Flags.EXPIRATION_TIMER_UPDATE,
group: {
id: groupId,
type: textsecure.protobuf.GroupContext.Type.DELIVER,
},
},
options
);
});
},
sendExpirationTimerUpdateToNumber(
number,
expireTimer,
timestamp,
profileKey,
options
) {
return this.sendMessage(
{
recipients: [number],
timestamp,
needsSync: true,
expireTimer,
profileKey,
flags: textsecure.protobuf.DataMessage.Flags.EXPIRATION_TIMER_UPDATE,
},
options
);
},
};
window.textsecure = window.textsecure || {};
textsecure.MessageSender = function MessageSenderWrapper(
url,
username,
password,
cdnUrl
) {
const sender = new MessageSender(url, username, password, cdnUrl);
this.sendExpirationTimerUpdateToNumber = sender.sendExpirationTimerUpdateToNumber.bind(
sender
);
this.sendExpirationTimerUpdateToGroup = sender.sendExpirationTimerUpdateToGroup.bind(
sender
);
this.sendRequestGroupSyncMessage = sender.sendRequestGroupSyncMessage.bind(
sender
);
this.sendRequestContactSyncMessage = sender.sendRequestContactSyncMessage.bind(
sender
);
this.sendRequestConfigurationSyncMessage = sender.sendRequestConfigurationSyncMessage.bind(
sender
);
this.sendMessageToNumber = sender.sendMessageToNumber.bind(sender);
this.sendMessage = sender.sendMessage.bind(sender);
this.resetSession = sender.resetSession.bind(sender);
this.sendMessageToGroup = sender.sendMessageToGroup.bind(sender);
this.createGroup = sender.createGroup.bind(sender);
this.updateGroup = sender.updateGroup.bind(sender);
this.addNumberToGroup = sender.addNumberToGroup.bind(sender);
this.setGroupName = sender.setGroupName.bind(sender);
this.setGroupAvatar = sender.setGroupAvatar.bind(sender);
this.leaveGroup = sender.leaveGroup.bind(sender);
this.sendSyncMessage = sender.sendSyncMessage.bind(sender);
this.getProfile = sender.getProfile.bind(sender);
this.getAvatar = sender.getAvatar.bind(sender);
this.syncReadMessages = sender.syncReadMessages.bind(sender);
this.syncVerification = sender.syncVerification.bind(sender);
this.sendDeliveryReceipt = sender.sendDeliveryReceipt.bind(sender);
this.sendReadReceipts = sender.sendReadReceipts.bind(sender);
};
textsecure.MessageSender.prototype = {
constructor: textsecure.MessageSender,
};