377 lines
13 KiB
JavaScript
377 lines
13 KiB
JavaScript
define([
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'jquery',
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'/bower_components/chainpad-listmap/chainpad-listmap.js',
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'/bower_components/chainpad-crypto/crypto.js?v=0.1.5',
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'/bower_components/textpatcher/TextPatcher.amd.js',
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'/common/userObject.js',
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'/common/migrate-user-object.js'
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], function ($, Listmap, Crypto, TextPatcher, FO, Migrate) {
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/*
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This module uses localStorage, which is synchronous, but exposes an
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asyncronous API. This is so that we can substitute other storage
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methods.
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To override these methods, create another file at:
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/customize/storage.js
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*/
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var Store = {};
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var store;
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var initStore = function (filesOp, storeObj, exp) {
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var ret = {};
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var safeSet = function (key, val) {
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storeObj[key] = val;
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};
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// Store uses nodebacks...
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ret.set = function (key, val, cb) {
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safeSet(key, val);
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cb();
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};
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// implement in alternative store
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ret.setBatch = function (map, cb) {
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Object.keys(map).forEach(function (key) {
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safeSet(key, map[key]);
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});
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cb(void 0, map);
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};
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ret.setDrive = function (key, val, cb) {
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storeObj.drive[key] = val;
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cb();
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};
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var safeGet = function (key) {
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return storeObj[key];
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};
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ret.get = function (key, cb) {
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cb(void 0, safeGet(key));
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};
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// implement in alternative store
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ret.getBatch = function (keys, cb) {
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var res = {};
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keys.forEach(function (key) {
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res[key] = safeGet(key);
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});
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cb(void 0, res);
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};
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var getAttributeObject = function (attr) {
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if (typeof attr === "string") {
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console.error('DEPRECATED: use setAttribute with an array, not a string');
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return {
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obj: storeObj.settings,
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key: attr
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};
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}
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if (!Array.isArray(attr)) { throw new Error("Attribute must be string or array"); }
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if (attr.length === 0) { throw new Error("Attribute can't be empty"); }
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var obj = storeObj.settings;
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attr.forEach(function (el, i) {
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if (i === attr.length-1) { return; }
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if (!obj[el]) {
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obj[el] = {};
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}
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else if (typeof obj[el] !== "object") { throw new Error("Wrong attribute"); }
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obj = obj[el];
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});
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return {
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obj: obj,
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key: attr[attr.length-1]
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};
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};
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ret.setAttribute = function (attr, value, cb) {
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try {
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var object = getAttributeObject(attr);
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object.obj[object.key] = value;
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} catch (e) { return void cb(e); }
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cb();
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};
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ret.getAttribute = function (attr, cb) {
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var object;
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try {
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object = getAttributeObject(attr);
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} catch (e) { return void cb(e); }
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cb(null, object.obj[object.key]);
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};
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ret.setPadAttribute = filesOp.setPadAttribute;
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ret.getPadAttribute = filesOp.getPadAttribute;
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ret.getIdFromHref = filesOp.getIdFromHref;
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ret.getDrive = function (key, cb) {
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cb(void 0, storeObj.drive[key]);
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};
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var safeRemove = function (key) {
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delete storeObj[key];
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};
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ret.remove = function (key, cb) {
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safeRemove(key);
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cb();
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};
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// implement in alternative store
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ret.removeBatch = function (keys, cb) {
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keys.forEach(function (key) {
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safeRemove(key);
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});
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cb();
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};
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ret.keys = function (cb) {
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cb(void 0, Object.keys(storeObj));
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};
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ret.removeData = filesOp.removeData;
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ret.pushData = filesOp.pushData;
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ret.addPad = filesOp.add;
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ret.forgetPad = function (href, cb) {
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filesOp.forget(href);
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cb();
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};
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ret.listTemplates = function () {
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var templateFiles = filesOp.getFiles(['template']);
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var res = [];
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templateFiles.forEach(function (f) {
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var data = filesOp.getFileData(f);
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res.push(JSON.parse(JSON.stringify(data)));
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});
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return res;
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};
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ret.getProxy = function () {
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return exp;
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};
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ret.getLoginName = function () {
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return storeObj.login_name;
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};
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ret.repairDrive = function () {
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filesOp.fixFiles();
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};
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ret.getEmptyObject = function () {
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return filesOp.getStructure();
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};
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ret.replace = filesOp.replace;
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ret.restoreHref = filesOp.restoreHref;
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ret.changeHandlers = [];
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ret.change = function () {};
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ret.getProfile = function () {
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return storeObj.profile;
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};
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return ret;
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};
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var tryParsing = function (x) {
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try { return JSON.parse(x); }
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catch (e) {
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console.error(e);
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return null;
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}
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};
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var onReady = function (f, proxy, Cryptpad, exp) {
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var fo = exp.fo = FO.init(proxy.drive, {
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Cryptpad: Cryptpad,
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rt: exp.realtime
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});
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var todo = function () {
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fo.fixFiles();
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Migrate(proxy, Cryptpad);
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//storeObj = proxy;
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store = initStore(fo, proxy, exp);
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if (typeof(f) === 'function') {
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f(void 0, store);
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}
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var requestLogin = function () {
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// log out so that you don't go into an endless loop...
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Cryptpad.logout();
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// redirect them to log in, and come back when they're done.
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sessionStorage.redirectTo = window.location.href;
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window.location.href = '/login/';
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};
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var tokenKey = 'loginToken';
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if (Cryptpad.isLoggedIn()) {
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/* This isn't truly secure, since anyone who can read the user's object can
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set their local loginToken to match that in the object. However, it exposes
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a UI that will work most of the time. */
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// every user object should have a persistent, random number
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if (typeof(proxy.loginToken) !== 'number') {
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proxy[tokenKey] = Math.floor(Math.random()*Number.MAX_SAFE_INTEGER);
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}
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// copy User_hash into sessionStorage because cross-domain iframes
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// on safari replaces localStorage with sessionStorage or something
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if (sessionStorage) { sessionStorage.setItem('User_hash', localStorage.getItem('User_hash')); }
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var localToken = tryParsing(localStorage.getItem(tokenKey));
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if (localToken === null) {
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// if that number hasn't been set to localStorage, do so.
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localStorage.setItem(tokenKey, proxy.loginToken);
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} else if (localToken !== proxy[tokenKey]) {
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// if it has been, and the local number doesn't match that in
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// the user object, request that they reauthenticate.
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return void requestLogin();
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}
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}
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if (typeof(proxy.allowUserFeedback) !== 'boolean') {
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proxy.allowUserFeedback = true;
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}
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if (typeof(proxy.uid) !== 'string' || proxy.uid.length !== 32) {
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// even anonymous users should have a persistent, unique-ish id
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console.log('generating a persistent identifier');
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proxy.uid = Cryptpad.createChannelId();
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}
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// if the user is logged in, but does not have signing keys...
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if (Cryptpad.isLoggedIn() && (!Cryptpad.hasSigningKeys(proxy) ||
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!Cryptpad.hasCurveKeys(proxy))) {
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return void requestLogin();
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}
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proxy.on('change', [Cryptpad.displayNameKey], function (o, n) {
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if (typeof(n) !== "string") { return; }
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Cryptpad.changeDisplayName(n);
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});
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proxy.on('change', ['profile'], function () {
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// Trigger userlist update when the avatar has changed
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Cryptpad.changeDisplayName(proxy[Cryptpad.displayNameKey]);
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});
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proxy.on('change', ['friends'], function () {
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// Trigger userlist update when the avatar has changed
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Cryptpad.changeDisplayName(proxy[Cryptpad.displayNameKey]);
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});
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proxy.on('change', [tokenKey], function () {
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var localToken = tryParsing(localStorage.getItem(tokenKey));
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if (localToken !== proxy[tokenKey]) {
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return void requestLogin();
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}
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});
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};
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fo.migrate(todo);
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};
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var initialized = false;
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var init = function (f, Cryptpad) {
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if (!Cryptpad || initialized) { return; }
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initialized = true;
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var hash = Cryptpad.getUserHash() || localStorage.FS_hash || Cryptpad.createRandomHash();
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if (!hash) {
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throw new Error('[Store.init] Unable to find or create a drive hash. Aborting...');
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}
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var secret = Cryptpad.getSecrets('drive', hash);
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var listmapConfig = {
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data: {},
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websocketURL: Cryptpad.getWebsocketURL(),
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channel: secret.channel,
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readOnly: false,
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validateKey: secret.keys.validateKey || undefined,
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crypto: Crypto.createEncryptor(secret.keys),
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userName: 'fs',
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logLevel: 1,
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};
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var exp = {};
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window.addEventListener('storage', function (e) {
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if (e.key !== Cryptpad.userHashKey) { return; }
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var o = e.oldValue;
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var n = e.newValue;
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if (!o && n) {
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window.location.reload();
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} else if (o && !n) {
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$(window).on('keyup', function (e) {
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if (e.keyCode === 27) {
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Cryptpad.removeLoadingScreen();
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}
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});
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Cryptpad.logout();
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Cryptpad.addLoadingScreen({hideTips: true});
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Cryptpad.errorLoadingScreen(Cryptpad.Messages.onLogout, true);
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if (exp.info) {
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exp.info.network.disconnect();
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}
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}
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});
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var rt = window.rt = Listmap.create(listmapConfig);
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exp.realtime = rt.realtime;
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exp.proxy = rt.proxy;
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rt.proxy.on('create', function (info) {
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exp.info = info;
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if (!Cryptpad.getUserHash()) {
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localStorage.FS_hash = Cryptpad.getEditHashFromKeys(info.channel, secret.keys);
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}
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}).on('ready', function () {
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if (store) { return; } // the store is already ready, it is a reconnection
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if (!rt.proxy.drive || typeof(rt.proxy.drive) !== 'object') { rt.proxy.drive = {}; }
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var drive = rt.proxy.drive;
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// Creating a new anon drive: import anon pads from localStorage
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if ((!drive[Cryptpad.oldStorageKey] || !Cryptpad.isArray(drive[Cryptpad.oldStorageKey]))
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&& !drive['filesData']) {
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drive[Cryptpad.oldStorageKey] = [];
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onReady(f, rt.proxy, Cryptpad, exp);
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return;
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}
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// Drive already exist: return the existing drive, don't load data from legacy store
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onReady(f, rt.proxy, Cryptpad, exp);
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})
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.on('disconnect', function (info) {
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// We only manage errors during the loading screen here. Other websocket errors are handled by the apps
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if (info.error) {
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if (typeof Cryptpad.storeError === "function") {
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Cryptpad.storeError();
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}
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return;
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}
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})
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.on('change', ['drive', 'migrate'], function () {
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var path = arguments[2];
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var value = arguments[1];
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if (path[0] === 'drive' && path[1] === "migrate" && value === 1) {
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rt.network.disconnect();
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rt.realtime.abort();
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Cryptpad.alert(Cryptpad.Messages.fs_migration, null, true);
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}
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});
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};
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Store.ready = function (f, Cryptpad) {
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if (store) { // Store.ready probably called twice, store already ready
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if (typeof(f) === 'function') {
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f(void 0, store);
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}
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} else {
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init(f, Cryptpad);
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}
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};
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return Store;
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});
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