Fixup dir structure
This commit is contained in:
Matt Corallo
parent
4595ad0fc4
commit
eec4c66ef6
20 changed files with 53 additions and 49 deletions
746
js/helpers.js
Normal file
746
js/helpers.js
Normal file
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@ -0,0 +1,746 @@
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//TODO: Stolen from MDN (copyright...)
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function b64ToUint6 (nChr) {
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return nChr > 64 && nChr < 91 ?
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nChr - 65
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: nChr > 96 && nChr < 123 ?
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nChr - 71
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: nChr > 47 && nChr < 58 ?
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nChr + 4
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: nChr === 43 ?
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62
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: nChr === 47 ?
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63
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:
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0;
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}
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function base64DecToArr (sBase64, nBlocksSize) {
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var
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sB64Enc = sBase64.replace(/[^A-Za-z0-9\+\/]/g, ""), nInLen = sB64Enc.length,
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nOutLen = nBlocksSize ? Math.ceil((nInLen * 3 + 1 >> 2) / nBlocksSize) * nBlocksSize : nInLen * 3 + 1 >> 2, taBytes = new Uint8Array(nOutLen);
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for (var nMod3, nMod4, nUint24 = 0, nOutIdx = 0, nInIdx = 0; nInIdx < nInLen; nInIdx++) {
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nMod4 = nInIdx & 3;
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nUint24 |= b64ToUint6(sB64Enc.charCodeAt(nInIdx)) << 18 - 6 * nMod4;
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if (nMod4 === 3 || nInLen - nInIdx === 1) {
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for (nMod3 = 0; nMod3 < 3 && nOutIdx < nOutLen; nMod3++, nOutIdx++) {
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taBytes[nOutIdx] = nUint24 >>> (16 >>> nMod3 & 24) & 255;
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}
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nUint24 = 0;
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}
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}
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return taBytes;
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}
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/*********************************
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*** Type conversion utilities ***
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*********************************/
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// Strings/arrays
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var StaticByteBufferProto = new dcodeIO.ByteBuffer().__proto__;
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var StaticUint8ArrayProto = new Uint8Array().__proto__;
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function getString(thing) {
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if (thing.__proto__ == StaticUint8ArrayProto)
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return String.fromCharCode.apply(null, thing);
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if (thing != undefined && thing.__proto__ == StaticByteBufferProto)
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return thing.toString("utf8");
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return thing;
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}
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function getUint8Array(string) {
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return base64DecToArr(btoa(string));
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}
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function base64ToUint8Array(string) {
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return base64DecToArr(string);
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}
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// Protobuf decodingA
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//TODO: throw on missing fields everywhere
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var IncomingPushMessageProtobuf = dcodeIO.ProtoBuf.loadProtoFile("protos/IncomingPushMessageSignal.proto").build("textsecure.IncomingPushMessageSignal");
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function decodeIncomingPushMessageProtobuf(string) {
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return IncomingPushMessageProtobuf.decode(btoa(string));
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}
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var PushMessageContentProtobuf = dcodeIO.ProtoBuf.loadProtoFile("protos/IncomingPushMessageSignal.proto").build("textsecure.PushMessageContent");
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function decodePushMessageContentProtobuf(string) {
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return PushMessageContentProtobuf.decode(btoa(string));
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}
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var WhisperMessageProtobuf = dcodeIO.ProtoBuf.loadProtoFile("protos/WhisperTextProtocol.proto").build("textsecure.WhisperMessage");
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function decodeWhisperMessageProtobuf(string) {
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return WhisperMessageProtobuf.decode(btoa(string));
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}
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var PreKeyWhisperMessageProtobuf = dcodeIO.ProtoBuf.loadProtoFile("protos/WhisperTextProtocol.proto").build("textsecure.PreKeyWhisperMessage");
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function decodePreKeyWhisperMessageProtobuf(string) {
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return PreKeyWhisperMessageProtobuf.decode(btoa(string));
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}
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var KeyExchangeMessageProtobuf = dcodeIO.ProtoBuf.loadProtoFile("protos/WhisperTextProtocol.proto").build("textsecure.KeyExchangeMessage");
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function decodeKeyExchangeMessageProtobuf(string) {
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return KeyExchangeMessageProtobuf.decode(btoa(string));
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}
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// Number formatting
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function getNumberFromString(string) {
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return string.split(".")[0];
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}
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function getEncodedNumber(number) {
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var split = number.split(".");
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if (split.length > 1) {
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if (split[1] == 1)
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return split[0];
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else
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return number;
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} else
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return number;
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}
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function getDeviceId(encodedNumber) {
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var split = encodedNumber.split(".");
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if (split.length > 1)
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return split[1];
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return 1;
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}
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// Other
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function timestampToHumanReadable(timestamp) {
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var date = new Date();
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date.setTime(timestamp*1000);
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return date.toUTCString();
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}
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function objectContainsKeys(object) {
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var count = 0;
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for (key in object) {
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count++;
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break;
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}
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return count != 0;
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}
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/************************************************
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*** Utilities to store data in local storage ***
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************************************************/
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var storage = {};
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storage.putEncrypted = function(key, value) {
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//TODO
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if (value === undefined)
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throw "Tried to store undefined";
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localStorage.setItem("e" + key, JSON.stringify(getString(value)));
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}
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storage.getEncrypted = function(key, defaultValue) {
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//TODO
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var value = localStorage.getItem("e" + key);
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if (value === null)
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return defaultValue;
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return JSON.parse(value);
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}
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storage.removeEncrypted = function(key) {
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//TODO
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}
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storage.putUnencrypted = function(key, value) {
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if (value === undefined)
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throw "Tried to store undefined";
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localStorage.setItem("u" + key, JSON.stringify(getString(value)));
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}
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storage.getUnencrypted = function(key, defaultValue) {
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var value = localStorage.getItem("u" + key);
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if (value === null)
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return defaultValue;
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return JSON.parse(value);
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}
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storage.removeUnencrypted = function(key) {
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//TODO
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}
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function registrationDone() {
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storage.putUnencrypted("registration_done", "");
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//TODO: Fix dirty hack:
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chrome.runtime.reload();
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}
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function isRegistrationDone() {
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return storage.getUnencrypted("registration_done") !== undefined;
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}
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function getMessageMap() {
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return storage.getEncrypted("messageMap", {});
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}
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function storeMessage(outgoingMessageSignal) {
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var messageMap = getMessageMap();
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var conversation = messageMap[outgoingMessageSignal.source]; //TODO: Also support Group message IDs here
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if (conversation === undefined) {
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conversation = []
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messageMap[outgoingMessageSignal.source] = conversation;
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}
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conversation[conversation.length] = { message: getString(outgoingMessageSignal.message),
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destinations: outgoingMessageSignal.destinations,
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sender: outgoingMessageSignal.source,
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timestamp: outgoingMessageSignal.timestamp.div(dcodeIO.Long.fromNumber(1000)).toNumber() };
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storage.putEncrypted("messageMap", messageMap);
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chrome.runtime.sendMessage(conversation[conversation.length - 1]);
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}
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function getDeviceObject(encodedNumber) {
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return storage.getEncrypted("deviceObject" + getEncodedNumber(encodedNumber));
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}
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function getDeviceIdListFromNumber(number) {
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return storage.getEncrypted("deviceIdList" + getNumberFromString(number), []);
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}
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function addDeviceIdForNumber(number, deviceId) {
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var deviceIdList = getDeviceIdListFromNumber(getNumberFromString(number));
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for (var i = 0; i < deviceIdList.length; i++) {
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if (deviceIdList[i] == deviceId)
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return;
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}
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deviceIdList[deviceIdList.length] = deviceId;
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storage.putEncrypted("deviceIdList" + getNumberFromString(number), deviceIdList);
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}
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// throws "Identity key mismatch"
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function saveDeviceObject(deviceObject) {
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var existing = getDeviceObject(deviceObject.encodedNumber);
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if (existing === undefined)
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existing = {encodedNumber: getEncodedNumber(deviceObject.encodedNumber)};
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for (key in deviceObject) {
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if (key == "encodedNumber")
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continue;
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if (key == "identityKey" && deviceObject.identityKey != deviceObject.identityKey)
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throw "Identity key mismatch";
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existing[key] = deviceObject[key];
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}
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storage.putEncrypted("deviceObject" + getEncodedNumber(deviceObject.encodedNumber), existing);
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addDeviceIdForNumber(deviceObject.encodedNumber, getDeviceId(deviceObject.encodedNumber));
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}
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function getDeviceObjectListFromNumber(number) {
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var deviceObjectList = [];
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var deviceIdList = getDeviceIdListFromNumber(number);
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for (var i = 0; i < deviceIdList.length; i++)
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deviceObjectList[deviceObjectList.length] = getDeviceObject(getNumberFromString(number) + "." + deviceIdList[i]);
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return deviceObjectList;
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}
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/*******************************************
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*** Utilities to manage keys/randomness ***
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*******************************************/
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function getRandomBytes(size) {
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//TODO: Better random (https://www.grc.com/r&d/js.htm?)
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try {
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var array = new Uint8Array(size);
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window.crypto.getRandomValues(array);
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return array;
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} catch (err) {
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//TODO: ummm...wat?
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throw err;
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}
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}
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(function(crypto, $, undefined) {
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var createNewKeyPair = function() {
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//TODO
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var privKey = getRandomBytes(32);
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privKey[0] &= 248;
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privKey[31] &= 127;
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privKey[31] |= 64;
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var pubKey = "BRTJzsHPUWRRBxyo5MoaBRidMk2fwDlfqvU91b6pzbED";
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var privKey = "";
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return { pubKey: pubKey, privKey: privKey };
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}
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var crypto_storage = {};
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crypto_storage.getNewPubKeySTORINGPrivKey = function(keyName) {
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var keyPair = createNewKeyPair();
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storage.putEncrypted("25519Key" + keyName, keyPair);
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return keyPair.pubKey;
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}
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crypto_storage.getStoredPubKey = function(keyName) {
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return storage.getEncrypted("25519Key" + keyName, { pubKey: undefined }).pubKey;
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}
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crypto_storage.getStoredKeyPair = function(keyName) {
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return storage.getEncrypted("25519Key" + keyName);
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}
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crypto_storage.getAndRemoveStoredKeyPair = function(keyName) {
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var keyPair = this.getStoredKeyPair(keyName);
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storage.removeEncrypted("25519Key" + keyName);
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return keyPair;
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}
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crypto_storage.getAndRemovePreKeyPair = function(keyId) {
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return this.getAndRemoveStoredKeyPair("preKey" + keyId);
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}
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crypto_storage.getIdentityPrivKey = function() {
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return this.getStoredKeyPair("identityKey").privKey;
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}
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crypto_storage.saveSession = function(encodedNumber, session) {
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storage.putEncrypted("session" + getEncodedNumber(encodedNumber), session);
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}
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crypto_storage.getSession = function(encodedNumber) {
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return storage.getEncrypted("session" + getEncodedNumber(encodedNumber));
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}
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/*****************************
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*** Internal Crypto stuff ***
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*****************************/
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var ECDHE = function(pubKey, privKey) {
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return "ECDHE";//TODO
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}
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var HKDF = function(input, salt, info) {
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var hkdf = "HKDF(" + input + ", " + salt + ", " + info + ")"; //TODO
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return [ hkdf.substring(0, 32), hkdf.substring(32, 64) ];
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}
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var HMACSHA256 = function(input, key) {
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//TODO: NativeA
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//TODO: return string
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return CryptoJS.HmacSHA256(input, CryptoJS.enc.Latin1.parse(getString(key)));
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}
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var verifyMACWithVersionByte = function(data, key, mac) {
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var calculated_mac = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, key);
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calculated_mac.update(CryptoJS.enc.Latin1.parse(String.fromCharCode(1)));
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calculated_mac.update(CryptoJS.enc.Latin1.parse(getString(data)));
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calculated_mac = calculated_mac.finalize();
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if (btoa(calculated_mac.toString(CryptoJS.enc.Base64)).substring(0, mac.length) != mac) {
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console.log("Got message with bad MAC");
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throw "Bad MAC";
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}
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}
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/******************************
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*** Ratchet implementation ***
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******************************/
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var initSession = function(isInitiator, theirIdentityPubKey, ourEphemeralPrivKey, theirEphemeralPubKey) {
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var ourIdentityPrivKey = crypto_storage.getIdentityPrivKey();
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var sharedSecret = ECDHE(theirEphemeralPubKey, ourIdentityPrivKey);
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if (isInitiator)
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sharedSecret = sharedSecret + ECDHE(theirIdentityPubKey, ourEphemeralPrivKey);
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else
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sharedSecret = ECDHE(theirIdentityPubKey, ourEphemeralPrivKey) + sharedSecret;
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sharedSecret += ECDHE(theirEphemeralPubKey, ourEphemeralPrivKey);
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var masterKey = HKDF(sharedSecret, '', "WhisperText");
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return { rootKey: masterKey[0], chainKey: masterKey[1] };
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}
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var initSessionFromPreKeyWhisperMessage = function(encodedNumber, message) {
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//TODO: Check remote identity key matches known-good key
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var preKeyPair = crypto_storage.getAndRemovePreKeyPair(preKeyProto.preKeyId);
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if (preKeyPair === undefined)
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throw "Missing preKey for PreKeyWhisperMessage";
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var firstRatchet = initSession(false, message.identityKey, preKeyPair.privKey, message.baseKey);
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var session = {currentRatchet: { rootKey: firstRatchet.rootKey, ephemeralKeyPair: preKeyPair,
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lastRemoteEphemeralKey: message.baseKey },
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oldRatchetList: []
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};
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session[preKeyPair.pubKey] = { messageKeys: {}, chainKey: { counter: 0, key: firstRatchet.chainKey } };
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storage.saveSession(encodedNumber, session);
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}
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var fillMessageKeys = function(chain, counter) {
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var messageKeys = chain.messageKeys;
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var key = chain.chainKey.key;
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for (var i = chain.chainKey.counter; i < counter; i++) {
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messageKeys[counter] = HMACSHA256(key, String.fromCharCode(1));
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key = HMACSHA256(key, String.fromCharCode(2));
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}
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chain.chainKey.key = key;
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chain.chainKey.counter = counter;
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}
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var maybeStepRatchet = function(session, remoteKey, previousCounter) {
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if (sesion[remoteKey] !== undefined) //TODO: null???
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return;
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var ratchet = session.currentRatchet;
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var previousRatchet = session[ratchet.lastRemoteEphemeralKey];
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fillMessageKeys(previousRatchet, previousCounter);
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if (!objectContainsKeys(previousRatchet.messageKeys))
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delete session[ratchet.lastRemoteEphemeralKey];
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else
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session.oldRatchetList[session.oldRatchetList.length] = { added: new Date().getTime(), ephemeralKey: ratchet.lastRemoteEphemeralKey };
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delete session[ratchet.ephemeralKeyPair.pubKey];
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var masterKey = HKDF(ECDHE(remoteKey, ratchet.ephemeralKeyPair.privKey), ratchet.rootKey, "WhisperRatchet");
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session[remoteKey] = { messageKeys: {}, chainKey: { counter: 0, key: masterKey.substring(32, 64) } };
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ratchet.ephemeralKeyPair = createNewKeyPair();
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masterKey = HKDF(ECDHE(remoteKey, ratchet.ephemeralKeyPair.privKey), masterKey.substring(0, 32), "WhisperRatchet");
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ratchet.rootKey = masterKey.substring(0, 32);
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session[nextRatchet.ephemeralKeyPair.pubKey] = { messageKeys: {}, chainKey: { counter: 0, key: masterKey.substring(32, 64) } };
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ratchet.lastRemoteEphemeralKey = remoteKey;
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}
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var doDecryptWhisperMessage = function(ciphertext, mac, messageKey, counter) {
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//TODO keys swapped?
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var keys = HKDF(messageKey, /* all 0x00 bytes????? */ '', "WhisperMessageKeys");
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verifyMACWithVersionByte(ciphertext, keys[0], mac);
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return AES_CTR_NOPADDING(keys[1], CTR = counter, ciphertext);
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}
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// returns decrypted protobuf
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var decryptWhisperMessage = function(encodedNumber, messageBytes) {
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var session = crypto_storage.getSession(encodedNumber);
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if (session === undefined)
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throw "No session currently open with " + encodedNumber;
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if (messageBytes[0] != String.fromCharCode(1))
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throw "Bad version number on WhisperMessage";
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var messageProto = messageBytes.substring(1, messageBytes.length - 8);
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var mac = messageBytes.substring(messageBytes.length - 8, messageBytes.length);
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var message = decodeWhisperMessageProtobuf(messageProto);
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maybeStepRatchet(session, getString(message.ephemeralKey), message.previousCounter);
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var chain = session[getString(message.ephemeralKey)];
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fillMessageKeys(chain, message.counter);
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var plaintext = doDecryptWhisperMessage(message.ciphertext, mac, chain.messageKeys[message.counter], message.counter);
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delete chain.messageKeys[message.counter];
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removeOldChains(session);
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crypto_storage.saveSession(encodedNumber, session);
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return decodePushMessageContentProtobuf(atob(plaintext));
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}
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/*************************
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*** Public crypto API ***
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*************************/
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// Decrypts message into a raw string
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crypto.decryptWebsocketMessage = function(message) {
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//TODO: Use a native AES impl (so I dont feel so bad about side-channels)
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var signaling_key = storage.getEncrypted("signaling_key"); //TODO: in crypto_storage
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var aes_key = CryptoJS.enc.Latin1.parse(signaling_key.substring(0, 32));//TODO: UTF8 breaks this?????
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var mac_key = CryptoJS.enc.Latin1.parse(signaling_key.substring(32, 32 + 20));
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//TODO: Can we drop the uint8array in favor of raw strings?
|
||||
var decodedMessage = base64ToUint8Array(message);
|
||||
if (decodedMessage[0] != 1) {
|
||||
console.log("Got bad version number: " + decodedMessage[0]);
|
||||
return;
|
||||
}
|
||||
var iv = CryptoJS.lib.WordArray.create(decodedMessage.subarray(1, 1 + 16));
|
||||
var ciphertext = decodedMessage.subarray(1 + 16, decodedMessage.length - 10);
|
||||
var mac = CryptoJS.lib.WordArray.create(decodedMessage.subarray(decodedMessage.length - 10, decodedMessage.length));
|
||||
|
||||
var calculated_mac = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, mac_key);
|
||||
calculated_mac.update(CryptoJS.enc.Latin1.parse(String.fromCharCode(1)));
|
||||
calculated_mac.update(iv);
|
||||
calculated_mac.update(CryptoJS.lib.WordArray.create(ciphertext));
|
||||
calculated_mac = calculated_mac.finalize();
|
||||
|
||||
if (calculated_mac.toString(CryptoJS.enc.Hex).substring(0, 20) != mac.toString(CryptoJS.enc.Hex)) {
|
||||
console.log("Got message with bad MAC");
|
||||
throw "Bad MAC";
|
||||
}
|
||||
|
||||
var plaintext = CryptoJS.AES.decrypt(btoa(getString(ciphertext)), aes_key, {iv: iv});//TODO: Does this throw on invalid padding (seems not...)
|
||||
|
||||
return atob(plaintext.toString(CryptoJS.enc.Base64));
|
||||
}
|
||||
|
||||
crypto.handleIncomingPushMessageProto = function(proto) {
|
||||
switch(proto.type) {
|
||||
case 0: //TYPE_MESSAGE_PLAINTEXT
|
||||
proto.message = decodePushMessageContentProtobuf(getString(proto.message));
|
||||
break;
|
||||
case 1: //TYPE_MESSAGE_CIPHERTEXT
|
||||
proto.message = decryptWhisperMessage(proto.source, getString(proto.message));
|
||||
break;
|
||||
case 3: //TYPE_MESSAGE_PREKEY_BUNDLE
|
||||
var preKeyProto = decodePreKeyWhisperMessageProtobuf(getString(proto.message));
|
||||
initSessionFromPreKeyWhisperMessage(proto.source, preKeyProto);
|
||||
proto.message = decryptWhisperMessage(proto.source, getString(preKeyProto.message));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
crypto.encryptMessageFor = function(deviceObject, message) {
|
||||
return message + " encrypted to " + deviceObject.encodedNumber + " with relay " + deviceObject.relay +
|
||||
" with identityKey " + deviceObject.identityKey + " and public key " + deviceObject.publicKey; //TODO
|
||||
}
|
||||
|
||||
var GENERATE_KEYS_KEYS_GENERATED = 100;
|
||||
crypto.generateKeys = function() {
|
||||
var identityKey = crypto_storage.getStoredPubKey("identityKey");
|
||||
if (identityKey === undefined)
|
||||
identityKey = crypto_storage.getNewPubKeySTORINGPrivKey("identityKey"); //TODO: should probably just throw?
|
||||
|
||||
var firstKeyId = storage.getEncrypted("maxPreKeyId", -1) + 1;
|
||||
storage.putEncrypted("maxPreKeyId", firstKeyId + GENERATE_KEYS_KEYS_GENERATED);
|
||||
|
||||
if (firstKeyId > 16777000)
|
||||
throw "You crazy motherfucker";
|
||||
|
||||
var keys = {};
|
||||
keys.keys = [];
|
||||
for (var i = firstKeyId; i < firstKeyId + GENERATE_KEYS_KEYS_GENERATED; i++)
|
||||
keys.keys[i] = {keyId: i, publicKey: crypto_storage.getNewPubKeySTORINGPrivKey("preKey" + i), identityKey: identityKey};
|
||||
// 0xFFFFFF == 16777215
|
||||
keys.lastResortKey = {keyId: 16777215, publicKey: crypto_storage.getStoredPubKey("preKey16777215"), identityKey: identityKey};//TODO: Rotate lastResortKey
|
||||
if (keys.lastResortKey.publicKey === undefined)
|
||||
keys.lastResortKey.publicKey = crypto_storage.getNewPubKeySTORINGPrivKey("preKey16777215");
|
||||
return keys;
|
||||
}
|
||||
|
||||
}( window.crypto = window.crypto || {}, jQuery ));
|
||||
|
||||
/************************************************
|
||||
*** Utilities to communicate with the server ***
|
||||
************************************************/
|
||||
var URL_BASE = "http://textsecure-test.herokuapp.com";
|
||||
var URL_CALLS = {};
|
||||
URL_CALLS['accounts'] = "/v1/accounts";
|
||||
URL_CALLS['devices'] = "/v1/devices";
|
||||
URL_CALLS['keys'] = "/v1/keys";
|
||||
URL_CALLS['push'] = "/v1/messagesocket";
|
||||
URL_CALLS['messages'] = "/v1/messages/";
|
||||
|
||||
/**
|
||||
* REQUIRED PARAMS:
|
||||
* call: URL_CALLS entry
|
||||
* httpType: POST/GET/PUT/etc
|
||||
* OPTIONAL PARAMS:
|
||||
* success_callback: function(response object) called on success
|
||||
* error_callback: function(http status code = -1 or != 200) called on failure
|
||||
* urlParameters: crap appended to the url (probably including a leading /)
|
||||
* user: user name to be sent in a basic auth header
|
||||
* password: password to be sent in a basic auth headerA
|
||||
* do_auth: alternative to user/password where user/password are figured out automagically
|
||||
* jsonData: JSON data sent in the request body
|
||||
*/
|
||||
function doAjax(param) {
|
||||
if (param.urlParameters === undefined)
|
||||
param.urlParameters = "";
|
||||
if (param.do_auth) {
|
||||
param.user = storage.getUnencrypted("number_id");
|
||||
param.password = storage.getEncrypted("password");
|
||||
}
|
||||
$.ajax(URL_BASE + URL_CALLS[param.call] + param.urlParameters, {
|
||||
type: param.httpType,
|
||||
data: JSON.stringify(param.jsonData),
|
||||
contentType: 'application/json; charset=utf-8',
|
||||
dataType: 'json',
|
||||
beforeSend: function(xhr) {
|
||||
if (param.user !== undefined && param.password !== undefined)
|
||||
xhr.setRequestHeader("Authorization", "Basic " + btoa(getString(param.user) + ":" + getString(param.password)));
|
||||
},
|
||||
success: function(response, textStatus, jqXHR) {
|
||||
if (param.success_callback !== undefined)
|
||||
param.success_callback(response);
|
||||
},
|
||||
error: function(jqXHR, textStatus, errorThrown) {
|
||||
var code = jqXHR.status;
|
||||
if (code == 200) {// happens sometimes when we get no response (TODO: Fix server to return 204? instead)
|
||||
if (param.success_callback !== undefined)
|
||||
param.success_callback(null);
|
||||
return;
|
||||
}
|
||||
if (code > 999 || code < 100)
|
||||
code = -1;
|
||||
if (param.error_callback !== undefined)
|
||||
param.error_callback(code);
|
||||
},
|
||||
cache: false
|
||||
});
|
||||
}
|
||||
|
||||
// message_callback(decoded_protobuf) (use decodeMessage(proto))
|
||||
function subscribeToPush(message_callback) {
|
||||
var user = storage.getUnencrypted("number_id");
|
||||
var password = storage.getEncrypted("password");
|
||||
var request = { url: URL_BASE + URL_CALLS['push'] + "/?user=%2B" + getString(user).substring(1) + "&password=" + getString(password),
|
||||
method: 'GET',
|
||||
fallbackMethod: 'GET',
|
||||
transport: 'websocket',
|
||||
fallbackTransport: 'websocket',
|
||||
logLevel: 'debug', //TODO
|
||||
trackMessageLength: false,
|
||||
//data: "user=" + getString(user) + "&password=" + getString(password),
|
||||
onOpen: function(response) {
|
||||
console.log('Connected to server using ' + response.transport);
|
||||
},
|
||||
onMessage: function(response) {
|
||||
try {
|
||||
// Some bug in Atmosphere.js is forcing trackMessageLength to true
|
||||
var message = JSON.parse(response.responseBody.split("|")[1]);
|
||||
} catch (e) {
|
||||
console.log('Error parsing server JSON message: ' + response.responseBody.split("|")[1]);
|
||||
return;
|
||||
}
|
||||
|
||||
var proto;
|
||||
try {
|
||||
var plaintext = crypto.decryptWebsocketMessage(message.message);
|
||||
var proto = decodeIncomingPushMessageProtobuf(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
|
||||
|
||||
doAjax({call: 'push', httpType: 'PUT', urlParameters: '/' + message.id, do_auth: true});
|
||||
} catch (e) {
|
||||
console.log("Error decoding message: " + e);
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
crypto.handleIncomingPushMessageProto(proto); // Decrypts/decodes/fills in fields/etc
|
||||
|
||||
message_callback(proto);
|
||||
} catch (e) {
|
||||
//TODO: Tell the user decryption failed
|
||||
}
|
||||
},
|
||||
onError: function(response) {
|
||||
console.log('Server is down :(');
|
||||
//TODO: GUI
|
||||
}};
|
||||
$.atmosphere.subscribe(request);
|
||||
}
|
||||
|
||||
// success_callback(identity_key), error_callback(error_msg)
|
||||
function getKeysForNumber(number, success_callback, error_callback) {
|
||||
doAjax({call: 'keys', httpType: 'GET', do_auth: true, urlParameters: "/" + getNumberFromString(number) + "?multikeys",
|
||||
success_callback: function(response) {
|
||||
for (var i = 0; i < response.length; i++) {
|
||||
try {
|
||||
saveDeviceObject({
|
||||
encodedNumber: number + "." + response[i].deviceId,
|
||||
identityKey: response[i].identityKey,
|
||||
publicKey: response[i].publicKey
|
||||
});
|
||||
} catch (e) {
|
||||
error_callback(e);
|
||||
return;
|
||||
}
|
||||
}
|
||||
success_callback(response[0].identityKey);
|
||||
}, error_callback: function(code) {
|
||||
error_callback("Error making HTTP request: " + code);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// success_callback(server success/failure map), error_callback(error_msg)
|
||||
function sendMessageToDevices(deviceObjectList, message, success_callback, error_callback) {
|
||||
if (message.type === undefined)
|
||||
message.type = 0; //TODO: Change to 1 for ciphertext instead of plaintext
|
||||
|
||||
var jsonData = [];
|
||||
for (var i = 0; i < deviceObjectList.legnth; i++) {
|
||||
jsonData[jsonData.length] = {
|
||||
type: message.type,
|
||||
destination: deviceObjectList[i].encodedNumber,
|
||||
body: encryptMessageFor(deviceObjectList[i], message.message), //TODO: Protobuf?
|
||||
relay: deviceObjectList[i].relay,
|
||||
timestamp: new Date().getTime()
|
||||
};
|
||||
}
|
||||
doAjax({call: 'messages', httpType: 'POST', do_auth: true, jsonData: jsonData,
|
||||
success_callback: function(result) {
|
||||
if (result.missingDeviceIds.length > 0) {
|
||||
var responsesLeft = result.missingDeviceIds.length;
|
||||
var errorThrown = 0;
|
||||
for (var i = 0; i < result.missingDeviceIds.length; i++) {
|
||||
getKeysForNumber(result.missingDeviceIds[i], function(identity_key) {
|
||||
responsesLeft--;
|
||||
if (responsesLeft == 0 && errorThrown == 0)
|
||||
sendMessageToDevices(deviceObjectList, message, success_callback, error_callback);
|
||||
}, function(error_msg) {
|
||||
errorThrown++;
|
||||
if (errorThrown == 1)
|
||||
error_callback("Failed to retreive new device keys for number " + result.missingDeviceIds[i]);
|
||||
});
|
||||
}
|
||||
} else {
|
||||
success_callback(result);
|
||||
}
|
||||
}, error_callback: function(code) {
|
||||
error_callback("Failed to conect to data channel: " + code);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// success_callback(success/failure map, see second-to-last line), error_callback(error_msg)
|
||||
function sendMessageToNumbers(numbers, message, success_callback, error_callback) {
|
||||
var deviceObjectList = [];
|
||||
|
||||
var deviceDatasMissing = 0;
|
||||
var loopDone = 0;
|
||||
var errorThrown = 0;
|
||||
for (var i = 0; i < numbers.length; i++) {
|
||||
var devicesForNumber = getDeviceObjectListFromNumber(numbers[i]);
|
||||
for (var j = 0; j < devicesForNumber.length; j++)
|
||||
deviceObjectList[deviceObjectList.length] = devicesForNumber[j];
|
||||
|
||||
if (devicesForNumber.length == 0) {
|
||||
deviceDatasMissing++;
|
||||
getKeysForNumber(numbers[i], function(identity_key) {
|
||||
deviceDatasMissing--;
|
||||
if (deviceDatasMissing == 0 && loopDone && errorThrown == 0)
|
||||
sendMessageToNumbers(numbers, message, success_callback, error_callback);
|
||||
}, function(error_msg) {
|
||||
errorThrown++;
|
||||
if (errorThrown == 1)
|
||||
error_callback("Failed to retreive new device keys for number " + numbers[i]);
|
||||
});
|
||||
}
|
||||
}
|
||||
if (deviceDatasMissing > 0 || errorThrown > 0) {
|
||||
loopDone = 1;
|
||||
return;
|
||||
}
|
||||
return sendMessageToDevices(deviceObjectList, message, function(result) {
|
||||
var successNumbers = {};
|
||||
var failureNumbers = {};
|
||||
for (var i = 0; i < result.success; i++)
|
||||
successNumbers[getNumberFromString(result.success[i])] = 1;
|
||||
for (var i = 0; i < result.failure; i++)
|
||||
failureNumbers[getNumberFromString(result.success[i])] = 1;
|
||||
|
||||
success_callback({success: successNumbers, failure: failureNumbers});
|
||||
}, error_callback);
|
||||
}
|
||||
|
||||
|
||||
function requestIdentityPrivKeyFromMasterDevice(number, identityKey) {
|
||||
sendMessageToDevices([getDeviceObject(getNumberFromString(number)) + ".1"],
|
||||
{message: "Identity Key request"}, function() {}, function() {});//TODO
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue