334 lines
14 KiB
JavaScript
334 lines
14 KiB
JavaScript
/* vim: ts=4:sw=4:expandtab
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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window.textsecure = window.textsecure || {};
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window.textsecure.api = function () {
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'use strict';
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var self = {};
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/************************************************
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*** Utilities to communicate with the server ***
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************************************************/
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// Staging server
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var URL_BASE = "https://textsecure-service-staging.whispersystems.org";
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self.relay = "textsecure-service-staging.whispersystems.org";
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var ATTACHMENT_HOST = "whispersystems-textsecure-attachments-staging.s3.amazonaws.com";
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// This is the real server
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//var URL_BASE = "https://textsecure-service.whispersystems.org";
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var URL_CALLS = {};
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URL_CALLS.accounts = "/v1/accounts";
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URL_CALLS.devices = "/v1/devices";
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URL_CALLS.keys = "/v2/keys";
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URL_CALLS.push = "/v1/websocket";
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URL_CALLS.temp_push = "/v1/temp_websocket";
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URL_CALLS.messages = "/v1/messages";
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URL_CALLS.attachment = "/v1/attachments";
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/**
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* REQUIRED PARAMS:
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* call: URL_CALLS entry
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* httpType: POST/GET/PUT/etc
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* OPTIONAL PARAMS:
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* success_callback: function(response object) called on success
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* error_callback: function(http status code = -1 or != 200) called on failure
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* urlParameters: crap appended to the url (probably including a leading /)
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* user: user name to be sent in a basic auth header
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* password: password to be sent in a basic auth headerA
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* do_auth: alternative to user/password where user/password are figured out automagically
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* jsonData: JSON data sent in the request body
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*/
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var doAjax = function (param) {
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if (param.urlParameters === undefined) {
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param.urlParameters = "";
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}
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if (param.do_auth) {
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param.user = textsecure.storage.getUnencrypted("number_id");
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param.password = textsecure.storage.getEncrypted("password");
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}
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return new Promise(function (resolve, reject) {
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$.ajax(URL_BASE + URL_CALLS[param.call] + param.urlParameters, {
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type : param.httpType,
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data : param.jsonData && textsecure.utils.jsonThing(param.jsonData),
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contentType : 'application/json; charset=utf-8',
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dataType : 'json',
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beforeSend : function (xhr) {
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if (param.user !== undefined &&
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param.password !== undefined)
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xhr.setRequestHeader("Authorization", "Basic " + btoa(getString(param.user) + ":" + getString(param.password)));
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},
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success : function(response, textStatus, jqXHR) {
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resolve(response);
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},
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error : function(jqXHR, textStatus, errorThrown) {
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var code = jqXHR.status;
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if (code === 200) {
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// happens sometimes when we get no response
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// (TODO: Fix server to return 204? instead)
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resolve(null);
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return;
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}
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if (code > 999 || code < 100)
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code = -1;
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try {
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switch (code) {
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case -1:
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textsecure.throwHumanError(code, "HTTPError",
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"Failed to connect to the server, please check your network connection.");
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case 413:
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textsecure.throwHumanError(code, "HTTPError",
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"Rate limit exceeded, please try again later.");
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case 403:
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textsecure.throwHumanError(code, "HTTPError",
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"Invalid code, please try again.");
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case 417:
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// TODO: This shouldn't be a thing?, but its in the API doc?
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textsecure.throwHumanError(code, "HTTPError",
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"Number already registered.");
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case 401:
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textsecure.throwHumanError(code, "HTTPError",
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"Invalid authentication, most likely someone re-registered and invalidated our registration.");
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case 404:
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textsecure.throwHumanError(code, "HTTPError",
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"Number is not registered with TextSecure.");
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default:
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textsecure.throwHumanError(code, "HTTPError",
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"The server rejected our query, please file a bug report.");
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}
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} catch (e) {
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if (jqXHR.responseJSON)
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e.response = jqXHR.responseJSON;
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reject(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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function requestVerificationCode(number, transport) {
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return doAjax({
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call : 'accounts',
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httpType : 'GET',
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urlParameters : '/' + transport + '/code/' + number,
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});
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};
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self.requestVerificationSMS = function(number) {
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return requestVerificationCode(number, 'sms');
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};
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self.requestVerificationVoice = function(number) {
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return requestVerificationCode(number, 'voice');
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};
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self.confirmCode = function(number, code, password,
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signaling_key, registrationId, single_device) {
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var call = single_device ? 'accounts' : 'devices';
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var urlPrefix = single_device ? '/code/' : '/';
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return doAjax({
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call : call,
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httpType : 'PUT',
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urlParameters : urlPrefix + code,
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user : number,
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password : password,
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jsonData : { signalingKey : btoa(getString(signaling_key)),
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supportsSms : false,
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fetchesMessages : true,
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registrationId : registrationId}
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});
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};
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self.registerKeys = function(genKeys) {
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var keys = {};
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keys.identityKey = btoa(getString(genKeys.identityKey));
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keys.signedPreKey = {keyId: genKeys.signedPreKey.keyId, publicKey: btoa(getString(genKeys.signedPreKey.publicKey)),
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signature: btoa(getString(genKeys.signedPreKey.signature))};
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keys.preKeys = [];
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var j = 0;
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for (var i in genKeys.preKeys)
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keys.preKeys[j++] = {keyId: i, publicKey: btoa(getString(genKeys.preKeys[i].publicKey))};
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//TODO: This is just to make the server happy (v2 clients should choke on publicKey),
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// it needs removed before release
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keys.lastResortKey = {keyId: 0x7fffFFFF, publicKey: btoa("42")};
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return doAjax({
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call : 'keys',
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httpType : 'PUT',
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do_auth : true,
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jsonData : keys,
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});
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};
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self.getKeysForNumber = function(number, deviceId) {
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if (deviceId === undefined)
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deviceId = "*";
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return doAjax({
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call : 'keys',
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httpType : 'GET',
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do_auth : true,
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urlParameters : "/" + number + "/" + deviceId,
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}).then(function(res) {
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var promises = [];
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res.identityKey = StringView.base64ToBytes(res.identityKey);
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for (var i = 0; i < res.devices.length; i++) {
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res.devices[i].signedPreKey.publicKey = StringView.base64ToBytes(res.devices[i].signedPreKey.publicKey);
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res.devices[i].signedPreKey.signature = StringView.base64ToBytes(res.devices[i].signedPreKey.signature);
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promises[i] = window.textsecure.crypto.Ed25519Verify(res.identityKey, res.devices[i].signedPreKey.publicKey, res.devices[i].signedPreKey.signature);
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res.devices[i].preKey.publicKey = StringView.base64ToBytes(res.devices[i].preKey.publicKey);
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//TODO: Is this still needed?
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//if (res.devices[i].keyId === undefined)
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// res.devices[i].keyId = 0;
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}
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return Promise.all(promises).then(function() {
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return res;
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});
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});
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};
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self.sendMessages = function(destination, messageArray) {
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//TODO: Do this conversion somewhere else?
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for (var i = 0; i < messageArray.length; i++)
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messageArray[i].body = btoa(messageArray[i].body);
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var jsonData = { messages: messageArray };
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if (messageArray[0].relay !== undefined)
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jsonData.relay = messageArray[0].relay;
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jsonData.timestamp = messageArray[0].timestamp;
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return doAjax({
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call : 'messages',
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httpType : 'PUT',
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urlParameters : '/' + destination,
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do_auth : true,
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jsonData : jsonData,
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});
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};
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self.getAttachment = function(id) {
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return doAjax({
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call : 'attachment',
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httpType : 'GET',
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urlParameters : '/' + id,
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do_auth : true,
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}).then(function(response) {
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return new Promise(function(resolve, reject) {
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$.ajax(response.location, {
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type : "GET",
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xhrFields: {
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responseType: "arraybuffer"
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},
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headers: {
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"Content-Type": "application/octet-stream"
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},
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success : function(response, textStatus, jqXHR) {
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resolve(response);
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},
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error : function(jqXHR, textStatus, errorThrown) {
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var code = jqXHR.status;
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if (code > 999 || code < 100)
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code = -1;
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var e = new Error(code);
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e.name = "HTTPError";
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if (jqXHR.responseJSON)
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e.response = jqXHR.responseJSON;
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reject(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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var id_regex = RegExp( "^https:\/\/" + ATTACHMENT_HOST + "\/(\\d+)\?");
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self.putAttachment = function(encryptedBin) {
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return doAjax({
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call : 'attachment',
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httpType : 'GET',
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do_auth : true,
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}).then(function(response) {
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return new Promise(function(resolve, reject) {
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$.ajax(response.location, {
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type : "PUT",
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headers : {"Content-Type" : "application/octet-stream"},
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data : encryptedBin,
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processData : false,
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success : function() {
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try {
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// Parse the id as a string from the location url
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// (workaround for ids too large for Javascript numbers)
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var id = response.location.match(id_regex)[1];
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resolve(id);
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} catch(e) {
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reject(e);
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}
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},
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error : function(jqXHR, textStatus, errorThrown) {
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var code = jqXHR.status;
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if (code > 999 || code < 100)
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code = -1;
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var e = new Error(code);
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e.name = "HTTPError";
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if (jqXHR.responseJSON)
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e.response = jqXHR.responseJSON;
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reject(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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var getWebsocket = function(url, auth, reconnectTimeout) {
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var URL = URL_BASE.replace(/^http/g, 'ws') + url + '/?';
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var params = '';
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if (auth) {
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var user = textsecure.storage.getUnencrypted("number_id");
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var password = textsecure.storage.getEncrypted("password");
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var params = $.param({
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login: '+' + user.substring(1),
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password: password
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});
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}
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return window.textsecure.websocket(URL+params)
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}
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self.getMessageWebsocket = function() {
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return getWebsocket(URL_CALLS['push'], true, 1000);
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}
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self.getTempWebsocket = function() {
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//XXX
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var socketWrapper = { onmessage: function() {}, ondisconnect: function() {}, onconnect: function() {} };
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setTimeout(function() {
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socketWrapper.onmessage({uuid: "404-42-magic"});
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}, 1000);
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return socketWrapper;
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//return getWebsocket(URL_CALLS['temp_push'], false, 5000);
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}
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return self;
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}();
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