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
3 changed files with 202 additions and 88 deletions
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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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@ -39381,9 +39381,7 @@ 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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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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@ -39392,9 +39390,6 @@ function generateKeys(count, progressCallback) {
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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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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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@ -6,9 +6,7 @@
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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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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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@ -17,9 +15,6 @@
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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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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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@ -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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@ -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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}
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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];
|
||||
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 a new issue