87 lines
3.4 KiB
JavaScript
87 lines
3.4 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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;(function() {
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'use strict';
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window.textsecure = window.textsecure || {};
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window.textsecure.storage = window.textsecure.storage || {};
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textsecure.storage.axolotl = new AxolotlStore();
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var axolotlInstance = axolotl.protocol(textsecure.storage.axolotl);
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/*
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* jobQueue manages multiple queues indexed by device to serialize
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* session io ops on the database.
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*/
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var jobQueue = {};
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function queueJobForNumber(number, runJob) {
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var runPrevious = jobQueue[number] || Promise.resolve();
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var runCurrent = jobQueue[number] = runPrevious.then(runJob, runJob);
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runCurrent.then(function() {
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if (jobQueue[number] === runCurrent) {
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delete jobQueue[number];
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}
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});
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return runCurrent;
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}
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window.textsecure = window.textsecure || {};
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window.textsecure.protocol_wrapper = {
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decryptWhisperMessage: function(fromAddress, blob) {
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return queueJobForNumber(fromAddress, function() {
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return axolotlInstance.decryptWhisperMessage(fromAddress, blob.toArrayBuffer());
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});
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},
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closeOpenSessionForDevice: function(encodedNumber) {
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return queueJobForNumber(encodedNumber, function() {
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return axolotlInstance.closeOpenSessionForDevice(encodedNumber);
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});
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},
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encryptMessageFor: function(deviceObject, pushMessageContent) {
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return queueJobForNumber(deviceObject.encodedNumber, function() {
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return axolotlInstance.encryptMessageFor(deviceObject, pushMessageContent);
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});
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},
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startWorker: function() {
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axolotlInstance.startWorker('/js/libaxolotl-worker.js');
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},
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stopWorker: function() {
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axolotlInstance.stopWorker();
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},
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createIdentityKeyRecvSocket: function() {
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return axolotlInstance.createIdentityKeyRecvSocket();
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},
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hasOpenSession: function(encodedNumber) {
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return queueJobForNumber(encodedNumber, function() {
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return axolotlInstance.hasOpenSession(encodedNumber);
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});
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},
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getRegistrationId: function(encodedNumber) {
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return queueJobForNumber(encodedNumber, function() {
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return axolotlInstance.getRegistrationId(encodedNumber);
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});
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},
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handlePreKeyWhisperMessage: function(from, blob) {
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console.log('prekey whisper message');
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blob.mark();
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var version = blob.readUint8();
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if ((version & 0xF) > 3 || (version >> 4) < 3) {
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// min version > 3 or max version < 3
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throw new Error("Incompatible version byte");
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}
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return queueJobForNumber(from, function() {
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return axolotlInstance.handlePreKeyWhisperMessage(from, blob).catch(function(e) {
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if (e.message === 'Unknown identity key') {
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blob.reset(); // restore the version byte.
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// create an error that the UI will pick up and ask the
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// user if they want to re-negotiate
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throw new textsecure.IncomingIdentityKeyError(from, blob.toArrayBuffer(), e.identityKey);
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}
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throw e;
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});
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});
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}
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};
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})();
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