105 lines
4.8 KiB
JavaScript
105 lines
4.8 KiB
JavaScript
//TODO: Remove almost everything here...
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'use strict';
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;(function() {
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window.axolotl = window.axolotl || {};
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window.axolotl.api = {
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getMyRegistrationId: function() {
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return textsecure.storage.getUnencrypted("registrationId");
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},
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storage: {
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put: function(key, value) {
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return textsecure.storage.putEncrypted(key, value);
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},
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get: function(key, defaultValue) {
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return textsecure.storage.getEncrypted(key, defaultValue);
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},
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remove: function(key) {
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return textsecure.storage.removeEncrypted(key);
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},
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sessions: {
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get: function(identifier) {
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return textsecure.storage.devices.getDeviceObject(identifier);
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},
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put: function(object) {
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return textsecure.storage.devices.saveDeviceObject(object);
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}
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}
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},
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updateKeys: function(keys) {
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return textsecure.api.registerKeys(keys).catch(function(e) {
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//TODO: Notify the user somehow?
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console.error(e);
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});
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},
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};
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var decodeMessageContents = function(res) {
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var finalMessage = textsecure.protobuf.PushMessageContent.decode(res[0]);
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if ((finalMessage.flags & textsecure.protobuf.PushMessageContent.Flags.END_SESSION)
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== textsecure.protobuf.PushMessageContent.Flags.END_SESSION)
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res[1]();
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return finalMessage;
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}
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var decodeDeviceContents = function(res) {
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var finalMessage = textsecure.protobuf.DeviceControl.decode(res[0]);
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//TODO: Add END_SESSION flag for device control messages
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/*if ((finalMessage.flags & textsecure.protobuf.PushMessageContent.Flags.END_SESSION)
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== textsecure.protobuf.PushMessageContent.Flags.END_SESSION)
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res[1]();*/
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return finalMessage;
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}
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window.textsecure = window.textsecure || {};
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window.textsecure.protocol_wrapper = {
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handleIncomingPushMessageProto: function(proto) {
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switch(proto.type) {
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case textsecure.protobuf.IncomingPushMessageSignal.Type.PLAINTEXT:
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return Promise.resolve(textsecure.protobuf.PushMessageContent.decode(proto.message));
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case textsecure.protobuf.IncomingPushMessageSignal.Type.CIPHERTEXT:
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var from = proto.source + "." + (proto.sourceDevice == null ? 0 : proto.sourceDevice);
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return axolotl.protocol.decryptWhisperMessage(from, getString(proto.message)).then(decodeMessageContents);
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case textsecure.protobuf.IncomingPushMessageSignal.Type.PREKEY_BUNDLE:
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if (proto.message.readUint8() != ((3 << 4) | 3))
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throw new Error("Bad version byte");
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var from = proto.source + "." + (proto.sourceDevice == null ? 0 : proto.sourceDevice);
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return axolotl.protocol.handlePreKeyWhisperMessage(from, getString(proto.message)).then(decodeMessageContents);
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case textsecure.protobuf.IncomingPushMessageSignal.Type.RECEIPT:
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return Promise.resolve(null);
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case textsecure.protobuf.IncomingPushMessageSignal.Type.PREKEY_BUNDLE_DEVICE_CONTROL:
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if (proto.message.readUint8() != ((3 << 4) | 3))
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throw new Error("Bad version byte");
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var from = proto.source + "." + (proto.sourceDevice == null ? 0 : proto.sourceDevice);
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return axolotl.protocol.handlePreKeyWhisperMessage(from, getString(proto.message)).then(decodeDeviceContents);
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case textsecure.protobuf.IncomingPushMessageSignal.Type.DEVICE_CONTROL:
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var from = proto.source + "." + (proto.sourceDevice == null ? 0 : proto.sourceDevice);
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return axolotl.protocol.decryptWhisperMessage(from, getString(proto.message)).then(decodeDeviceContents);
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default:
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return new Promise(function(resolve, reject) { reject(new Error("Unknown message type")); });
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}
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}
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};
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var wipeIdentityAndTryMessageAgain = function(from, encodedMessage, message_id) {
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// Wipe identity key!
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//TODO: Encapsuate with the rest of textsecure.storage.devices
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textsecure.storage.removeEncrypted("devices" + from.split('.')[0]);
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//TODO: Probably breaks with a devicecontrol message
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return axolotl.protocol.handlePreKeyWhisperMessage(from, encodedMessage).then(decodeMessageContents).then(
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function(pushMessageContent) {
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extension.trigger('message:decrypted', {
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message_id : message_id,
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data : pushMessageContent
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});
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}
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);
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}
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textsecure.replay.registerFunction(wipeIdentityAndTryMessageAgain, textsecure.replay.Type.INIT_SESSION);
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})();
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