Cable-Desktop/libtextsecure/sendmessage.js
lilia a3d29a92bb Reject messages sent to groups with no members
If you're the last member of the group, it doesn't make sense to send
messages to it. Previously, we would wait forever for a callback,
causing a stuck pending state indicator.

// FREEBIE
2015-11-06 18:51:18 -08:00

341 lines
15 KiB
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
function MessageSender(url, username, password) {
this.server = new TextSecureServer(url, username, password);
this.pendingMessages = {};
}
MessageSender.prototype = {
constructor: MessageSender,
// message == DataMessage or ContentMessage proto
encryptToDevices: function(timestamp, number, deviceObjectList, message) {
var legacy = (message instanceof textsecure.protobuf.DataMessage);
var relay = deviceObjectList[0].relay;
for (var i=1; i < deviceObjectList.length; ++i) {
if (deviceObjectList[i].relay !== relay) {
throw new Error("Mismatched relays for number " + number);
}
}
return Promise.all(deviceObjectList.map(function(device) {
return textsecure.protocol_wrapper.encryptMessageFor(device, message).then(function(encryptedMsg) {
return textsecure.protocol_wrapper.getRegistrationId(device.encodedNumber).then(function(registrationId) {
return textsecure.storage.devices.removeTempKeysFromDevice(device.encodedNumber).then(function() {
var json = {
type: encryptedMsg.type,
destinationDeviceId: textsecure.utils.unencodeNumber(device.encodedNumber)[1],
destinationRegistrationId: registrationId,
timestamp: timestamp
};
if (device.relay !== undefined) {
json.relay = device.relay;
}
var content = btoa(encryptedMsg.body);
if (legacy) {
json.body = content;
} else {
json.content = content;
}
return json;
});
});
});
}));
},
transmitMessage: function(number, jsonData) {
return this.server.sendMessages(number, jsonData).catch(function(e) {
if (e.name === 'HTTPError' && (e.code !== 409 && e.code !== 410)) {
// 409 and 410 should bubble and be handled by doSendMessage
// all other network errors can be retried later.
throw new textsecure.SendMessageNetworkError(number, jsonData, e);
}
throw e;
});
},
makeAttachmentPointer: function(attachment) {
if (typeof attachment !== 'object' || attachment == null) {
return Promise.resolve(undefined);
}
var proto = new textsecure.protobuf.AttachmentPointer();
proto.key = textsecure.crypto.getRandomBytes(64);
var iv = textsecure.crypto.getRandomBytes(16);
return textsecure.crypto.encryptAttachment(attachment.data, proto.key, iv).then(function(encryptedBin) {
return this.server.putAttachment(encryptedBin).then(function(id) {
proto.id = id;
proto.contentType = attachment.contentType;
return proto;
});
}.bind(this));
},
tryMessageAgain: function(number, encodedMessage, timestamp) {
var proto = textsecure.protobuf.DataMessage.decode(encodedMessage);
return this.sendIndividualProto(number, proto, timestamp);
},
sendMessageProto: function(timestamp, numbers, message, callback) {
var outgoing = new OutgoingMessage(timestamp, numbers, message, callback, this);
outgoing.send();
},
sendIndividualProto: function(number, proto, timestamp) {
return new Promise(function(resolve, reject) {
this.sendMessageProto(timestamp, [number], proto, function(res) {
if (res.failure.length > 0)
reject(res.failure);
else
resolve();
});
}.bind(this));
},
sendSyncMessage: function(message, timestamp, destination) {
var myNumber = textsecure.storage.user.getNumber();
var myDevice = textsecure.storage.user.getDeviceId();
if (myDevice != 1) {
var sentMessage = new textsecure.protobuf.SyncMessage.Sent();
sentMessage.timestamp = timestamp;
sentMessage.message = message;
if (destination) {
sentMessage.destination = destination;
}
var syncMessage = new textsecure.protobuf.SyncMessage();
syncMessage.sent = sentMessage;
var contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
return this.sendIndividualProto(myNumber, contentMessage, Date.now());
}
},
sendRequestGroupSyncMessage: function() {
var myNumber = textsecure.storage.user.getNumber();
var myDevice = textsecure.storage.user.getDeviceId();
if (myDevice != 1) {
var request = new textsecure.protobuf.SyncMessage.Request();
request.type = textsecure.protobuf.SyncMessage.Request.Type.GROUPS;
var syncMessage = new textsecure.protobuf.SyncMessage();
syncMessage.request = request;
var contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
return this.sendIndividualProto(myNumber, contentMessage, Date.now());
}
},
sendRequestContactSyncMessage: function() {
var myNumber = textsecure.storage.user.getNumber();
var myDevice = textsecure.storage.user.getDeviceId();
if (myDevice != 1) {
var request = new textsecure.protobuf.SyncMessage.Request();
request.type = textsecure.protobuf.SyncMessage.Request.Type.CONTACTS;
var syncMessage = new textsecure.protobuf.SyncMessage();
syncMessage.request = request;
var contentMessage = new textsecure.protobuf.Content();
contentMessage.syncMessage = syncMessage;
return this.sendIndividualProto(myNumber, contentMessage, Date.now());
}
},
sendGroupProto: function(numbers, proto, timestamp) {
timestamp = timestamp || Date.now();
var me = textsecure.storage.user.getNumber();
numbers = numbers.filter(function(number) { return number != me; });
if (numbers.length === 0) {
return Promise.reject(new Error('No other members in the group'));
}
return new Promise(function(resolve, reject) {
this.sendMessageProto(timestamp, numbers, proto, function(res) {
if (res.failure.length > 0)
reject(res.failure);
else
resolve();
});
}.bind(this)).then(this.sendSyncMessage.bind(this, proto, timestamp));
},
sendMessageToNumber: function(number, messageText, attachments, timestamp) {
var proto = new textsecure.protobuf.DataMessage();
proto.body = messageText;
return Promise.all(attachments.map(this.makeAttachmentPointer.bind(this))).then(function(attachmentsArray) {
proto.attachments = attachmentsArray;
return this.sendIndividualProto(number, proto, timestamp).then(function() {
return this.sendSyncMessage(proto, timestamp, number);
}.bind(this));
}.bind(this));
},
closeSession: function(number) {
var proto = new textsecure.protobuf.DataMessage();
proto.body = "TERMINATE";
proto.flags = textsecure.protobuf.DataMessage.Flags.END_SESSION;
return this.sendIndividualProto(number, proto, Date.now()).then(function(res) {
return textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devices) {
return Promise.all(devices.map(function(device) {
return textsecure.protocol_wrapper.closeOpenSessionForDevice(device.encodedNumber);
})).then(function() {
return res;
});
});
});
},
sendMessageToGroup: function(groupId, messageText, attachments, timestamp) {
var proto = new textsecure.protobuf.DataMessage();
proto.body = messageText;
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.DELIVER;
return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
if (numbers === undefined)
return Promise.reject(new Error("Unknown Group"));
return Promise.all(attachments.map(this.makeAttachmentPointer.bind(this))).then(function(attachmentsArray) {
proto.attachments = attachmentsArray;
return this.sendGroupProto(numbers, proto, timestamp);
}.bind(this));
}.bind(this));
},
createGroup: function(numbers, name, avatar) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
return textsecure.storage.groups.createNewGroup(numbers).then(function(group) {
proto.group.id = toArrayBuffer(group.id);
var numbers = group.numbers;
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.members = numbers;
proto.group.name = name;
return this.makeAttachmentPointer(avatar).then(function(attachment) {
proto.group.avatar = attachment;
return this.sendGroupProto(numbers, proto).then(function() {
return proto.group.id;
});
}.bind(this));
}.bind(this));
},
updateGroup: function(groupId, name, avatar, numbers) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.name = name;
return textsecure.storage.groups.addNumbers(groupId, numbers).then(function(numbers) {
if (numbers === undefined) {
return Promise.reject(new Error("Unknown Group"));
}
proto.group.members = numbers;
return this.makeAttachmentPointer(avatar).then(function(attachment) {
proto.group.avatar = attachment;
return this.sendGroupProto(numbers, proto).then(function() {
return proto.group.id;
});
}.bind(this));
}.bind(this));
},
addNumberToGroup: function(groupId, number) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
return textsecure.storage.groups.addNumbers(groupId, [number]).then(function(numbers) {
if (numbers === undefined)
return Promise.reject(new Error("Unknown Group"));
proto.group.members = numbers;
return this.sendGroupProto(numbers, proto);
}.bind(this));
},
setGroupName: function(groupId, name) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
proto.group.name = name;
return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
if (numbers === undefined)
return Promise.reject(new Error("Unknown Group"));
proto.group.members = numbers;
return this.sendGroupProto(numbers, proto);
}.bind(this));
},
setGroupAvatar: function(groupId, avatar) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.UPDATE;
return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
if (numbers === undefined)
return Promise.reject(new Error("Unknown Group"));
proto.group.members = numbers;
return this.makeAttachmentPointer(avatar).then(function(attachment) {
proto.group.avatar = attachment;
return this.sendGroupProto(numbers, proto);
}.bind(this));
}.bind(this));
},
leaveGroup: function(groupId) {
var proto = new textsecure.protobuf.DataMessage();
proto.group = new textsecure.protobuf.GroupContext();
proto.group.id = toArrayBuffer(groupId);
proto.group.type = textsecure.protobuf.GroupContext.Type.QUIT;
return textsecure.storage.groups.getNumbers(groupId).then(function(numbers) {
if (numbers === undefined)
return Promise.reject(new Error("Unknown Group"));
return textsecure.storage.groups.deleteGroup(groupId).then(function() {
return this.sendGroupProto(numbers, proto);
}.bind(this));
});
}
};
window.textsecure = window.textsecure || {};
textsecure.MessageSender = function(url, username, password) {
var sender = new MessageSender(url, username, password);
textsecure.replay.registerFunction(sender.tryMessageAgain.bind(sender), textsecure.replay.Type.ENCRYPT_MESSAGE);
textsecure.replay.registerFunction(sender.transmitMessage.bind(sender), textsecure.replay.Type.TRANSMIT_MESSAGE);
this.sendRequestGroupSyncMessage = sender.sendRequestGroupSyncMessage .bind(sender);
this.sendRequestContactSyncMessage = sender.sendRequestContactSyncMessage.bind(sender);
this.sendMessageToNumber = sender.sendMessageToNumber .bind(sender);
this.closeSession = sender.closeSession .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);
};
textsecure.MessageSender.prototype = {
constructor: textsecure.MessageSender
};