More namespacing

This commit is contained in:
Matt Corallo 2014-05-17 01:53:58 -04:00
parent 05101b69b0
commit 6bc19ef558
8 changed files with 296 additions and 264 deletions

View file

@ -92,6 +92,8 @@ function base64EncArr (aBytes) {
/* END CRAP TO BE DELETED */
window.textsecure = window.textsecure || {};
/*********************************
*** Type conversion utilities ***
*********************************/
@ -176,7 +178,7 @@ function base64ToArrayBuffer(string) {
return base64DecToArr(string);
}
// Protobuf decodingA
// Protobuf decoding
//TODO: throw on missing fields everywhere
var IncomingPushMessageProtobuf = dcodeIO.ProtoBuf.loadProtoFile("protos/IncomingPushMessageSignal.proto").build("textsecure.IncomingPushMessageSignal");
function decodeIncomingPushMessageProtobuf(string) {
@ -224,13 +226,6 @@ function verifyNumber(string) {
return getEncodedNumber(string.trim());
}
function getDeviceId(encodedNumber) {
var split = encodedNumber.split(".");
if (split.length > 1)
return split[1];
return 1;
}
// Other
function timestampToHumanReadable(timestamp) {
@ -251,18 +246,21 @@ function objectContainsKeys(object) {
/************************************************
*** Utilities to store data in local storage ***
************************************************/
var storage = new function() {
//TODO: textsecure.storage
window.storage = function() {
var self = {};
/*****************************
*** Base Storage Routines ***
*****************************/
this.putEncrypted = function(key, value) {
self.putEncrypted = function(key, value) {
//TODO
if (value === undefined)
throw new Error("Tried to store undefined");
localStorage.setItem("e" + key, jsonThing(value));
}
this.getEncrypted = function(key, defaultValue) {
self.getEncrypted = function(key, defaultValue) {
//TODO
var value = localStorage.getItem("e" + key);
if (value === null)
@ -270,40 +268,42 @@ var storage = new function() {
return JSON.parse(value);
}
this.removeEncrypted = function(key) {
self.removeEncrypted = function(key) {
localStorage.removeItem("e" + key);
}
this.putUnencrypted = function(key, value) {
self.putUnencrypted = function(key, value) {
if (value === undefined)
throw new Error("Tried to store undefined");
localStorage.setItem("u" + key, jsonThing(value));
}
this.getUnencrypted = function(key, defaultValue) {
self.getUnencrypted = function(key, defaultValue) {
var value = localStorage.getItem("u" + key);
if (value === null)
return defaultValue;
return JSON.parse(value);
}
this.removeUnencrypted = function(key) {
self.removeUnencrypted = function(key) {
localStorage.removeItem("u" + key);
}
/**********************
*** Device Storage ***
**********************/
this.devices = new function() {
this.getDeviceObject = function(encodedNumber) {
self.devices = function() {
var self = {};
self.getDeviceObject = function(encodedNumber) {
return storage.getEncrypted("deviceObject" + getEncodedNumber(encodedNumber));
}
this.getDeviceIdListFromNumber = function(number) {
self.getDeviceIdListFromNumber = function(number) {
return storage.getEncrypted("deviceIdList" + getNumberFromString(number), []);
}
this.addDeviceIdForNumber = function(number, deviceId) {
self.addDeviceIdForNumber = function(number, deviceId) {
var deviceIdList = this.getDeviceIdListFromNumber(getNumberFromString(number));
for (var i = 0; i < deviceIdList.length; i++) {
if (deviceIdList[i] == deviceId)
@ -313,8 +313,15 @@ var storage = new function() {
storage.putEncrypted("deviceIdList" + getNumberFromString(number), deviceIdList);
}
var getDeviceId = function(encodedNumber) {
var split = encodedNumber.split(".");
if (split.length > 1)
return split[1];
return 1;
}
// throws "Identity key mismatch"
this.saveDeviceObject = function(deviceObject) {
self.saveDeviceObject = function(deviceObject) {
var existing = this.getDeviceObject(deviceObject.encodedNumber);
if (existing === undefined)
existing = {encodedNumber: getEncodedNumber(deviceObject.encodedNumber)};
@ -331,15 +338,19 @@ var storage = new function() {
this.addDeviceIdForNumber(deviceObject.encodedNumber, getDeviceId(deviceObject.encodedNumber));
}
this.getDeviceObjectListFromNumber = function(number) {
self.getDeviceObjectListFromNumber = function(number) {
var deviceObjectList = [];
var deviceIdList = this.getDeviceIdListFromNumber(number);
for (var i = 0; i < deviceIdList.length; i++)
deviceObjectList[deviceObjectList.length] = this.getDeviceObject(getNumberFromString(number) + "." + deviceIdList[i]);
return deviceObjectList;
}
};
};
return self;
}();
return self;
}();
function registrationDone() {
storage.putUnencrypted("registration_done", "");
@ -374,221 +385,232 @@ function storeMessage(messageObject) {
/**********************
*** NaCL Interface ***
**********************/
var USE_NACL = false;
window.textsecure.nacl = function() {
var self = {};
var onLoadCallbacks = [];
var naclLoaded = 0;
function registerOnLoadFunction(func) {
if (naclLoaded || !USE_NACL) {
func();
return;
}
onLoadCallbacks[onLoadCallbacks.length] = func;
}
self.USE_NACL = false;
var naclMessageNextId = 0;
var naclMessageIdCallbackMap = {};
function moduleDidLoad() {
common.hideModule();
naclLoaded = 1;
for (var i = 0; i < onLoadCallbacks.length; i++)
onLoadCallbacks[i]();
onLoadCallbacks = [];
}
function handleMessage(message) {
naclMessageIdCallbackMap[message.data.call_id](message.data);
}
function postNaclMessage(message) {
if (!USE_NACL)
throw new Error("Attempted to make NaCL call with !USE_NACL?");
return new Promise(function(resolve) {
naclMessageIdCallbackMap[naclMessageNextId] = resolve;
message.call_id = naclMessageNextId++;
common.naclModule.postMessage(message);
});
}
// message_callback(decoded_protobuf) (use decodeMessage(proto))
var subscribeToPushMessageSemaphore = 0;
function subscribeToPush(message_callback) {
subscribeToPushMessageSemaphore++;
if (subscribeToPushMessageSemaphore <= 0)
return;
var user = storage.getUnencrypted("number_id");
var password = storage.getEncrypted("password");
var URL = URL_BASE.replace(/^http:/g, "ws:").replace(/^https:/g, "wss:") + URL_CALLS['push'] + "/?user=%2B" + getString(user).substring(1) + "&password=" + getString(password);
var socket = new WebSocket(URL);
var pingInterval;
//TODO: GUI
socket.onerror = function(socketEvent) {
console.log('Server is down :(');
clearInterval(pingInterval);
subscribeToPushMessageSemaphore--;
setTimeout(function() { subscribeToPush(message_callback); }, 60000);
};
socket.onclose = function(socketEvent) {
console.log('Server closed :(');
clearInterval(pingInterval);
subscribeToPushMessageSemaphore--;
setTimeout(function() { subscribeToPush(message_callback); }, 60000);
};
socket.onopen = function(socketEvent) {
console.log('Connected to server!');
pingInterval = setInterval(function() { console.log("Sending server ping message."); socket.send(JSON.stringify({type: 2})); }, 30000);
};
socket.onmessage = function(response) {
try {
var message = JSON.parse(response.data);
} catch (e) {
console.log('Error parsing server JSON message: ' + response.responseBody.split("|")[1]);
var onLoadCallbacks = [];
var naclLoaded = 0;
self.registerOnLoadFunction = function(func) {
if (naclLoaded || !self.USE_NACL) {
func();
return;
}
onLoadCallbacks[onLoadCallbacks.length] = func;
}
if (message.type == 3) {
console.log("Got pong message");
} else if (message.type === undefined && message.id !== undefined) {
textsecure.crypto.decryptWebsocketMessage(message.message).then(function(plaintext) {
var proto = decodeIncomingPushMessageProtobuf(getString(plaintext));
// After this point, a) decoding errors are not the server's fault, and
// b) we should handle them gracefully and tell the user they received an invalid message
console.log("Successfully decoded message with id: " + message.id);
socket.send(JSON.stringify({type: 1, id: message.id}));
return textsecure.crypto.handleIncomingPushMessageProto(proto).then(function(decrypted) {
var handleAttachment = function(attachment) {
return API.getAttachment(attachment.id).then(function(encryptedBin) {
return textsecure.crypto.decryptAttachment(encryptedBin, toArrayBuffer(attachment.key)).then(function(decryptedBin) {
attachment.decrypted = decryptedBin;
var naclMessageNextId = 0;
var naclMessageIdCallbackMap = {};
window.moduleDidLoad = function() {
common.hideModule();
naclLoaded = 1;
for (var i = 0; i < onLoadCallbacks.length; i++)
onLoadCallbacks[i]();
onLoadCallbacks = [];
}
window.handleMessage = function(message) {
naclMessageIdCallbackMap[message.data.call_id](message.data);
}
self.postNaclMessage = function(message) {
if (!self.USE_NACL)
throw new Error("Attempted to make NaCL call with !USE_NACL?");
return new Promise(function(resolve) {
naclMessageIdCallbackMap[naclMessageNextId] = resolve;
message.call_id = naclMessageNextId++;
common.naclModule.postMessage(message);
});
}
return self;
}();
//TODO: Some kind of textsecure.init(use_nacl)
window.textsecure.registerOnLoadFunction = window.textsecure.nacl.registerOnLoadFunction;
// message_callback({message: decryptedMessage, pushMessage: server-providedPushMessage})
window.textsecure.subscribeToPush = function() {
var subscribeToPushMessageSemaphore = 0;
return function(message_callback) {
subscribeToPushMessageSemaphore++;
if (subscribeToPushMessageSemaphore <= 0)
return;
var user = storage.getUnencrypted("number_id");
var password = storage.getEncrypted("password");
var URL = URL_BASE.replace(/^http:/g, "ws:").replace(/^https:/g, "wss:") + URL_CALLS['push'] + "/?user=%2B" + getString(user).substring(1) + "&password=" + getString(password);
var socket = new WebSocket(URL);
var pingInterval;
//TODO: GUI
socket.onerror = function(socketEvent) {
console.log('Server is down :(');
clearInterval(pingInterval);
subscribeToPushMessageSemaphore--;
setTimeout(function() { subscribeToPush(message_callback); }, 60000);
};
socket.onclose = function(socketEvent) {
console.log('Server closed :(');
clearInterval(pingInterval);
subscribeToPushMessageSemaphore--;
setTimeout(function() { subscribeToPush(message_callback); }, 60000);
};
socket.onopen = function(socketEvent) {
console.log('Connected to server!');
pingInterval = setInterval(function() { console.log("Sending server ping message."); socket.send(JSON.stringify({type: 2})); }, 30000);
};
socket.onmessage = function(response) {
try {
var message = JSON.parse(response.data);
} catch (e) {
console.log('Error parsing server JSON message: ' + response.responseBody.split("|")[1]);
return;
}
if (message.type == 3) {
console.log("Got pong message");
} else if (message.type === undefined && message.id !== undefined) {
textsecure.crypto.decryptWebsocketMessage(message.message).then(function(plaintext) {
var proto = decodeIncomingPushMessageProtobuf(getString(plaintext));
// After this point, a) decoding errors are not the server's fault, and
// b) we should handle them gracefully and tell the user they received an invalid message
console.log("Successfully decoded message with id: " + message.id);
socket.send(JSON.stringify({type: 1, id: message.id}));
return textsecure.crypto.handleIncomingPushMessageProto(proto).then(function(decrypted) {
var handleAttachment = function(attachment) {
return textsecure.api.getAttachment(attachment.id).then(function(encryptedBin) {
return textsecure.crypto.decryptAttachment(encryptedBin, toArrayBuffer(attachment.key)).then(function(decryptedBin) {
attachment.decrypted = decryptedBin;
});
});
};
var promises = [];
for (var i = 0; i < decrypted.message.attachments.length; i++) {
promises[i] = handleAttachment(decrypted.message.attachments[i]);
}
return Promise.all(promises).then(function() {
storeMessage(decrypted);
message_callback(decrypted);
});
};
var promises = [];
for (var i = 0; i < decrypted.message.attachments.length; i++) {
promises[i] = handleAttachment(decrypted.message.attachments[i]);
}
return Promise.all(promises).then(function() {
storeMessage(decrypted);
message_callback(decrypted);
});
})
}).catch(function(e) {
console.log("Error handling incoming message: ");
console.log(e);
});
}
};
}
// success_callback(identity_key), error_callback(error_msg)
function getKeysForNumber(number) {
return API.getKeysForNumber(number).then(function(response) {
for (var i = 0; i < response.length; i++) {
storage.devices.saveDeviceObject({
encodedNumber: number + "." + response[i].deviceId,
identityKey: response[i].identityKey,
publicKey: response[i].publicKey,
preKeyId: response[i].keyId,
registrationId: response[i].registrationId
});
}
return response[0].identityKey;
});
}
// success_callback(server success/failure map), error_callback(error_msg)
// message == PushMessageContentProto (NOT STRING)
function sendMessageToDevices(number, deviceObjectList, message, success_callback, error_callback) {
var jsonData = [];
var relay = undefined;
var promises = [];
var addEncryptionFor = function(i) {
return textsecure.crypto.encryptMessageFor(deviceObjectList[i], message).then(function(encryptedMsg) {
jsonData[i] = {
type: encryptedMsg.type,
destination: deviceObjectList[i].encodedNumber,
destinationRegistrationId: deviceObjectList[i].registrationId,
body: encryptedMsg.body,
timestamp: new Date().getTime()
};
if (deviceObjectList[i].relay !== undefined) {
jsonData[i].relay = deviceObjectList[i].relay;
if (relay === undefined)
relay = jsonData[i].relay;
else if (relay != jsonData[i].relay)
throw new Error("Mismatched relays for number " + number);
} else {
if (relay === undefined)
relay = "";
else if (relay != "")
throw new Error("Mismatched relays for number " + number);
})
}).catch(function(e) {
console.log("Error handling incoming message: ");
console.log(e);
});
}
};
}
}();
// sendMessage(numbers = [], message = PushMessageContentProto, callback(success/failure map))
window.textsecure.sendMessage = function() {
function getKeysForNumber(number) {
return textsecure.api.getKeysForNumber(number).then(function(response) {
for (var i = 0; i < response.length; i++) {
storage.devices.saveDeviceObject({
encodedNumber: number + "." + response[i].deviceId,
identityKey: response[i].identityKey,
publicKey: response[i].publicKey,
preKeyId: response[i].keyId,
registrationId: response[i].registrationId
});
}
return response[0].identityKey;
});
}
for (var i = 0; i < deviceObjectList.length; i++)
promises[i] = addEncryptionFor(i);
return Promise.all(promises).then(function() {
return API.sendMessages(number, jsonData);
});
}
// callback(success/failure map, see code)
// message == PushMessageContentProto (NOT STRING)
function sendMessageToNumbers(numbers, message, callback) {
var numbersCompleted = 0;
var errors = [];
var successfulNumbers = [];
// success_callback(server success/failure map), error_callback(error_msg)
// message == PushMessageContentProto (NOT STRING)
function sendMessageToDevices(number, deviceObjectList, message, success_callback, error_callback) {
var jsonData = [];
var relay = undefined;
var promises = [];
var numberCompleted = function() {
numbersCompleted++;
if (numbersCompleted >= numbers.length)
callback({success: successfulNumbers, failure: errors});
var addEncryptionFor = function(i) {
return textsecure.crypto.encryptMessageFor(deviceObjectList[i], message).then(function(encryptedMsg) {
jsonData[i] = {
type: encryptedMsg.type,
destination: deviceObjectList[i].encodedNumber,
destinationRegistrationId: deviceObjectList[i].registrationId,
body: encryptedMsg.body,
timestamp: new Date().getTime()
};
if (deviceObjectList[i].relay !== undefined) {
jsonData[i].relay = deviceObjectList[i].relay;
if (relay === undefined)
relay = jsonData[i].relay;
else if (relay != jsonData[i].relay)
throw new Error("Mismatched relays for number " + number);
} else {
if (relay === undefined)
relay = "";
else if (relay != "")
throw new Error("Mismatched relays for number " + number);
}
});
}
for (var i = 0; i < deviceObjectList.length; i++)
promises[i] = addEncryptionFor(i);
return Promise.all(promises).then(function() {
return textsecure.api.sendMessages(number, jsonData);
});
}
var registerError = function(number, message, error) {
errors[errors.length] = { number: number, reason: message, error: error };
numberCompleted();
}
return function(numbers, message, callback) {
var numbersCompleted = 0;
var errors = [];
var successfulNumbers = [];
var doSendMessage = function(number, devicesForNumber, message) {
return sendMessageToDevices(number, devicesForNumber, message).then(function(result) {
successfulNumbers[successfulNumbers.length] = number;
var numberCompleted = function() {
numbersCompleted++;
if (numbersCompleted >= numbers.length)
callback({success: successfulNumbers, failure: errors});
}
var registerError = function(number, message, error) {
errors[errors.length] = { number: number, reason: message, error: error };
numberCompleted();
}).catch(function(error) {
if (error instanceof Error && error.name == "HTTPError" && (error.message == 410 || error.message == 409)) {
//TODO: Re-request keys for number here
}
registerError(number, "Failed to create or send message", error);
});
}
}
for (var i = 0; i < numbers.length; i++) {
var number = numbers[i];
var devicesForNumber = storage.devices.getDeviceObjectListFromNumber(number);
if (devicesForNumber.length == 0) {
getKeysForNumber(number).then(function(identity_key) {
devicesForNumber = storage.devices.getDeviceObjectListFromNumber(number);
if (devicesForNumber.length == 0)
registerError(number, "Failed to retreive new device keys for number " + number, null);
else
doSendMessage(number, devicesForNumber, message);
var doSendMessage = function(number, devicesForNumber, message) {
return sendMessageToDevices(number, devicesForNumber, message).then(function(result) {
successfulNumbers[successfulNumbers.length] = number;
numberCompleted();
}).catch(function(error) {
registerError(number, "Failed to retreive new device keys for number " + number, error);
if (error instanceof Error && error.name == "HTTPError" && (error.message == 410 || error.message == 409)) {
//TODO: Re-request keys for number here
}
registerError(number, "Failed to create or send message", error);
});
} else
doSendMessage(number, devicesForNumber, message);
}
for (var i = 0; i < numbers.length; i++) {
var number = numbers[i];
var devicesForNumber = storage.devices.getDeviceObjectListFromNumber(number);
if (devicesForNumber.length == 0) {
getKeysForNumber(number).then(function(identity_key) {
devicesForNumber = storage.devices.getDeviceObjectListFromNumber(number);
if (devicesForNumber.length == 0)
registerError(number, "Failed to retreive new device keys for number " + number, null);
else
doSendMessage(number, devicesForNumber, message);
}).catch(function(error) {
registerError(number, "Failed to retreive new device keys for number " + number, error);
});
} else
doSendMessage(number, devicesForNumber, message);
}
}
}
}();
function requestIdentityPrivKeyFromMasterDevice(number, identityKey) {
sendMessageToDevices([storage.devices.getDeviceObject(getNumberFromString(number)) + ".1"],