MessageReceiver is an event target
Rather than asking for a global target, the message receiver implements the EventTarget interface itself. It does not expose the dispatchEvent method, however. This ensures that events can only be triggered from within the internal MessageReceiver class, which means we no longer need to namespace them. // FREEBIE
This commit is contained in:
lilia
parent
a925027cd2
commit
2243c09fea
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@ -49,29 +49,33 @@
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}
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};
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window.addEventListener('textsecure:message', onMessageReceived);
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window.addEventListener('textsecure:receipt', onDeliveryReceipt);
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window.addEventListener('textsecure:contact', onContactReceived);
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window.addEventListener('textsecure:group', onGroupReceived);
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window.addEventListener('textsecure:sent', onSentMessage);
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window.addEventListener('textsecure:error', onError);
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if (open) {
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openInbox();
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}
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function init() {
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window.removeEventListener('online', init);
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if (!textsecure.registration.isDone()) { return; }
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// initialize the socket and start listening for messages
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messageReceiver = new textsecure.MessageReceiver(
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'https://textsecure-service-staging.whispersystems.org',
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textsecure.storage.get('number_id'),
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textsecure.storage.get('password'),
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textsecure.storage.get('signaling_key'),
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window
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);
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if (messageReceiver) { messageReceiver.close(); }
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var URL = 'https://textsecure-service-staging.whispersystems.org';
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var USERNAME = storage.get('number_id');
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var PASSWORD = storage.get('password');
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var mySignalingKey = storage.get('signaling_key');
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messageReceiver = new textsecure.MessageReceiver(URL, USERNAME, PASSWORD, mySignalingKey);
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messageReceiver.addEventListener('message', onMessageReceived);
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messageReceiver.addEventListener('receipt', onDeliveryReceipt);
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messageReceiver.addEventListener('contact', onContactReceived);
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messageReceiver.addEventListener('group', onGroupReceived);
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messageReceiver.addEventListener('sent', onSentMessage);
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messageReceiver.addEventListener('error', onError);
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messageReceiver.addEventListener('contactsync', onContactSyncComplete);
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}
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function onContactSyncComplete() {
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window.dispatchEvent(new Event('textsecure:contactsync'));
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}
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function onContactReceived(ev) {
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@ -39381,20 +39381,15 @@ function generateKeys(count, progressCallback) {
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'use strict';
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window.textsecure = window.textsecure || {};
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function MessageReceiver(url, username, password, signalingKey, eventTarget) {
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if (eventTarget instanceof EventTarget) {
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this.target = eventTarget;
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this.url = url;
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this.signalingKey = signalingKey;
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this.username = username;
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this.password = password;
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function MessageReceiver(url, username, password, signalingKey) {
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this.url = url;
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this.signalingKey = signalingKey;
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this.username = username;
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this.password = password;
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var unencoded = textsecure.utils.unencodeNumber(username);
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this.number = unencoded[0];
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this.deviceId = unencoded[1];
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} else {
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throw new TypeError('MessageReceiver expected an EventTarget');
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}
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var unencoded = textsecure.utils.unencodeNumber(username);
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this.number = unencoded[0];
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this.deviceId = unencoded[1];
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this.connect();
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}
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@ -39403,7 +39398,7 @@ function generateKeys(count, progressCallback) {
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connect: function() {
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// initialize the socket and start listening for messages
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if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
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socket.close();
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this.socket.close();
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}
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this.socket = new WebSocket(
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this.url.replace('https://', 'wss://').replace('http://', 'ws://')
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@ -39418,15 +39413,19 @@ function generateKeys(count, progressCallback) {
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keepalive: { path: '/v1/keepalive', disconnect: true }
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});
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},
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close: function() {
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this.socket.close();
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delete this.listeners;
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},
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onerror: function(error) {
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console.log('websocket error', error);
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this.socketError = error;
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},
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onclose: function(ev) {
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var eventTarget = this.target;
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var eventTarget = this;
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console.log('websocket closed', ev.code);
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// possible 403 or network issue. Make an request to confirm
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TextSecureServer(this.url).getDevices(this.number).
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TextSecureServer.getDevices(this.number).
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then(this.connect.bind(this)). // No HTTP error? Reconnect
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catch(function(e) {
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var ev = new Event('textsecure:error');
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@ -39458,9 +39457,9 @@ function generateKeys(count, progressCallback) {
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}.bind(this)).catch(function(e) {
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request.respond(500, 'Bad encrypted websocket message');
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console.log("Error handling incoming message:", e);
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var ev = new Event('textsecure:error');
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var ev = new Event('error');
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ev.error = e;
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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}.bind(this));
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},
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getStatus: function() {
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@ -39471,9 +39470,9 @@ function generateKeys(count, progressCallback) {
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}
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},
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onDeliveryReceipt: function (envelope) {
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var ev = new Event('textsecure:receipt');
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var ev = new Event('receipt');
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ev.proto = envelope;
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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},
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decrypt: function(envelope, ciphertext) {
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return textsecure.protocol_wrapper.decrypt(
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@ -39482,22 +39481,22 @@ function generateKeys(count, progressCallback) {
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envelope.type,
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ciphertext
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).catch(function(error) {
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var ev = new Event('textsecure:error');
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var ev = new Event('error');
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ev.error = error;
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ev.proto = envelope;
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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throw error; // reject this promise
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}.bind(this));
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},
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handleSentMessage: function(destination, timestamp, message) {
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return processDecrypted(message, this.number).then(function(message) {
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var ev = new Event('textsecure:sent');
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var ev = new Event('sent');
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ev.data = {
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destination : destination,
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timestamp : timestamp.toNumber(),
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message : message
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};
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleDataMessage: function(envelope, message, close_session) {
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@ -39506,13 +39505,13 @@ function generateKeys(count, progressCallback) {
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close_session();
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}
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return processDecrypted(message, envelope.source).then(function(message) {
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var ev = new Event('textsecure:message');
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var ev = new Event('message');
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ev.data = {
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source : envelope.source,
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timestamp : envelope.timestamp.toNumber(),
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message : message
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};
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleLegacyMessage: function (envelope) {
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@ -39560,22 +39559,22 @@ function generateKeys(count, progressCallback) {
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}
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},
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handleContacts: function(contacts) {
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var eventTarget = this.target;
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var eventTarget = this;
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var attachmentPointer = contacts.blob;
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return handleAttachment(attachmentPointer).then(function() {
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var contactBuffer = new ContactBuffer(attachmentPointer.data);
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var contactDetails = contactBuffer.next();
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while (contactDetails !== undefined) {
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var ev = new Event('textsecure:contact');
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var ev = new Event('contact');
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ev.contactDetails = contactDetails;
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eventTarget.dispatchEvent(ev);
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contactDetails = contactBuffer.next();
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}
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eventTarget.dispatchEvent(new Event('textsecure:contactsync'));
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eventTarget.dispatchEvent(new Event('contactsync'));
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});
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},
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handleGroups: function(groups) {
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var eventTarget = this.target;
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var eventTarget = this;
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var attachmentPointer = groups.blob;
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return handleAttachment(attachmentPointer).then(function() {
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var groupBuffer = new GroupBuffer(attachmentPointer.data);
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@ -39595,7 +39594,7 @@ function generateKeys(count, progressCallback) {
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);
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}
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}).then(function() {
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var ev = new Event('textsecure:group');
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var ev = new Event('group');
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ev.groupDetails = groupDetails;
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eventTarget.dispatchEvent(ev);
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});
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@ -39603,14 +39602,70 @@ function generateKeys(count, progressCallback) {
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groupDetails = groupBuffer.next();
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}
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});
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},
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/* Implements EventTarget */
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dispatchEvent: function(ev) {
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if (!(ev instanceof Event)) {
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throw new Error('Expects an event');
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}
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if (this.listeners === null || typeof this.listeners !== 'object') {
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this.listeners = {};
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}
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var listeners = this.listeners[ev.type];
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if (typeof listeners === 'object') {
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for (var i=0; i < listeners.length; ++i) {
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if (typeof listeners[i] === 'function') {
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listeners[i].call(null, ev);
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}
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}
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}
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},
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addEventListener: function(eventName, callback) {
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if (typeof eventName !== 'string') {
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throw new Error('First argument expects a string');
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}
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if (typeof callback !== 'function') {
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throw new Error('Second argument expects a function');
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}
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if (this.listeners === null || typeof this.listeners !== 'object') {
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this.listeners = {};
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}
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var listeners = this.listeners[eventName];
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if (typeof listeners !== 'object') {
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listeners = [];
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}
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listeners.push(callback);
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this.listeners[eventName] = listeners;
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},
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removeEventListener: function(eventName, callback) {
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if (typeof eventName !== 'string') {
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throw new Error('First argument expects a string');
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}
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if (typeof callback !== 'function') {
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throw new Error('Second argument expects a function');
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}
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if (this.listeners === null || typeof this.listeners !== 'object') {
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this.listeners = {};
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}
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var listeners = this.listeners[eventName];
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for (var i=0; i < listeners.length; ++ i) {
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if (listeners[i] === callback) {
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listeners.splice(i, 1);
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return;
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}
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}
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this.listeners[eventName] = listeners;
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}
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};
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textsecure.MessageReceiver = function(url, username, password, signalingKey, eventTarget) {
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var messageReceiver = new MessageReceiver(url, username, password, signalingKey, eventTarget);
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this.getStatus = function() {
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return messageReceiver.getStatus();
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}
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textsecure.MessageReceiver = function(url, username, password, signalingKey) {
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var messageReceiver = new MessageReceiver(url, username, password, signalingKey);
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this.addEventListener = messageReceiver.addEventListener.bind(messageReceiver);
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this.removeEventListener = messageReceiver.removeEventListener.bind(messageReceiver);
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this.getStatus = messageReceiver.getStatus.bind(messageReceiver);
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}
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textsecure.MessageReceiver.prototype = {
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@ -6,20 +6,15 @@
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'use strict';
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window.textsecure = window.textsecure || {};
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function MessageReceiver(url, username, password, signalingKey, eventTarget) {
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if (eventTarget instanceof EventTarget) {
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this.target = eventTarget;
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this.url = url;
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this.signalingKey = signalingKey;
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this.username = username;
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this.password = password;
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function MessageReceiver(url, username, password, signalingKey) {
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this.url = url;
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this.signalingKey = signalingKey;
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this.username = username;
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this.password = password;
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var unencoded = textsecure.utils.unencodeNumber(username);
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this.number = unencoded[0];
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this.deviceId = unencoded[1];
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} else {
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throw new TypeError('MessageReceiver expected an EventTarget');
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}
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var unencoded = textsecure.utils.unencodeNumber(username);
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this.number = unencoded[0];
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this.deviceId = unencoded[1];
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this.connect();
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}
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@ -28,7 +23,7 @@
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connect: function() {
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// initialize the socket and start listening for messages
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if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
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socket.close();
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this.socket.close();
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}
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this.socket = new WebSocket(
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this.url.replace('https://', 'wss://').replace('http://', 'ws://')
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@ -43,15 +38,19 @@
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keepalive: { path: '/v1/keepalive', disconnect: true }
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});
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},
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close: function() {
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this.socket.close();
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delete this.listeners;
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},
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onerror: function(error) {
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console.log('websocket error', error);
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this.socketError = error;
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},
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onclose: function(ev) {
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var eventTarget = this.target;
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var eventTarget = this;
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console.log('websocket closed', ev.code);
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// possible 403 or network issue. Make an request to confirm
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TextSecureServer(this.url).getDevices(this.number).
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TextSecureServer.getDevices(this.number).
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then(this.connect.bind(this)). // No HTTP error? Reconnect
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catch(function(e) {
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var ev = new Event('textsecure:error');
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@ -83,9 +82,9 @@
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}.bind(this)).catch(function(e) {
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request.respond(500, 'Bad encrypted websocket message');
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console.log("Error handling incoming message:", e);
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var ev = new Event('textsecure:error');
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var ev = new Event('error');
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ev.error = e;
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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}.bind(this));
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},
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getStatus: function() {
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@ -96,9 +95,9 @@
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}
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},
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onDeliveryReceipt: function (envelope) {
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var ev = new Event('textsecure:receipt');
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var ev = new Event('receipt');
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ev.proto = envelope;
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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},
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decrypt: function(envelope, ciphertext) {
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return textsecure.protocol_wrapper.decrypt(
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@ -107,22 +106,22 @@
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envelope.type,
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ciphertext
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).catch(function(error) {
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var ev = new Event('textsecure:error');
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var ev = new Event('error');
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ev.error = error;
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ev.proto = envelope;
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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throw error; // reject this promise
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}.bind(this));
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},
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handleSentMessage: function(destination, timestamp, message) {
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return processDecrypted(message, this.number).then(function(message) {
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var ev = new Event('textsecure:sent');
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var ev = new Event('sent');
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ev.data = {
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destination : destination,
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timestamp : timestamp.toNumber(),
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message : message
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};
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleDataMessage: function(envelope, message, close_session) {
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@ -131,13 +130,13 @@
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close_session();
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}
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return processDecrypted(message, envelope.source).then(function(message) {
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var ev = new Event('textsecure:message');
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var ev = new Event('message');
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ev.data = {
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source : envelope.source,
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timestamp : envelope.timestamp.toNumber(),
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message : message
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};
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this.target.dispatchEvent(ev);
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this.dispatchEvent(ev);
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}.bind(this));
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},
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handleLegacyMessage: function (envelope) {
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@ -185,22 +184,22 @@
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}
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},
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handleContacts: function(contacts) {
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var eventTarget = this.target;
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var eventTarget = this;
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var attachmentPointer = contacts.blob;
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return handleAttachment(attachmentPointer).then(function() {
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var contactBuffer = new ContactBuffer(attachmentPointer.data);
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var contactDetails = contactBuffer.next();
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while (contactDetails !== undefined) {
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var ev = new Event('textsecure:contact');
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var ev = new Event('contact');
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ev.contactDetails = contactDetails;
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eventTarget.dispatchEvent(ev);
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contactDetails = contactBuffer.next();
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}
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eventTarget.dispatchEvent(new Event('textsecure:contactsync'));
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eventTarget.dispatchEvent(new Event('contactsync'));
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});
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},
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handleGroups: function(groups) {
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var eventTarget = this.target;
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var eventTarget = this;
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var attachmentPointer = groups.blob;
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return handleAttachment(attachmentPointer).then(function() {
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var groupBuffer = new GroupBuffer(attachmentPointer.data);
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|
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@ -220,7 +219,7 @@
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);
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}
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}).then(function() {
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var ev = new Event('textsecure:group');
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var ev = new Event('group');
|
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ev.groupDetails = groupDetails;
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eventTarget.dispatchEvent(ev);
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});
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|
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@ -228,14 +227,70 @@
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groupDetails = groupBuffer.next();
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}
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});
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},
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/* Implements EventTarget */
|
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dispatchEvent: function(ev) {
|
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if (!(ev instanceof Event)) {
|
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throw new Error('Expects an event');
|
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}
|
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if (this.listeners === null || typeof this.listeners !== 'object') {
|
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this.listeners = {};
|
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}
|
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var listeners = this.listeners[ev.type];
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if (typeof listeners === 'object') {
|
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for (var i=0; i < listeners.length; ++i) {
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if (typeof listeners[i] === 'function') {
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listeners[i].call(null, ev);
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}
|
||||
}
|
||||
}
|
||||
},
|
||||
addEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
if (typeof listeners !== 'object') {
|
||||
listeners = [];
|
||||
}
|
||||
listeners.push(callback);
|
||||
this.listeners[eventName] = listeners;
|
||||
},
|
||||
removeEventListener: function(eventName, callback) {
|
||||
if (typeof eventName !== 'string') {
|
||||
throw new Error('First argument expects a string');
|
||||
}
|
||||
if (typeof callback !== 'function') {
|
||||
throw new Error('Second argument expects a function');
|
||||
}
|
||||
if (this.listeners === null || typeof this.listeners !== 'object') {
|
||||
this.listeners = {};
|
||||
}
|
||||
var listeners = this.listeners[eventName];
|
||||
for (var i=0; i < listeners.length; ++ i) {
|
||||
if (listeners[i] === callback) {
|
||||
listeners.splice(i, 1);
|
||||
return;
|
||||
}
|
||||
}
|
||||
this.listeners[eventName] = listeners;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
textsecure.MessageReceiver = function(url, username, password, signalingKey, eventTarget) {
|
||||
var messageReceiver = new MessageReceiver(url, username, password, signalingKey, eventTarget);
|
||||
this.getStatus = function() {
|
||||
return messageReceiver.getStatus();
|
||||
}
|
||||
textsecure.MessageReceiver = function(url, username, password, signalingKey) {
|
||||
var messageReceiver = new MessageReceiver(url, username, password, signalingKey);
|
||||
|
||||
this.addEventListener = messageReceiver.addEventListener.bind(messageReceiver);
|
||||
this.removeEventListener = messageReceiver.removeEventListener.bind(messageReceiver);
|
||||
this.getStatus = messageReceiver.getStatus.bind(messageReceiver);
|
||||
}
|
||||
|
||||
textsecure.MessageReceiver.prototype = {
|
||||
|
|
|
|||
Loading…
Reference in New Issue