759 lines
30 KiB
JavaScript
759 lines
30 KiB
JavaScript
define([
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'jquery',
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'/bower_components/chainpad-crypto/crypto.js',
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'/bower_components/chainpad-netflux/chainpad-netflux.js',
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'/bower_components/hyperjson/hyperjson.js',
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'/common/toolbar2.js',
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'/common/cursor.js',
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'/bower_components/chainpad-json-validator/json-ot.js',
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'/common/TypingTests.js',
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'json.sortify',
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'/bower_components/textpatcher/TextPatcher.js',
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'/common/cryptpad-common.js',
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'/common/cryptget.js',
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'/pad/links.js',
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'/bower_components/file-saver/FileSaver.min.js',
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'/bower_components/diff-dom/diffDOM.js',
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'css!/bower_components/components-font-awesome/css/font-awesome.min.css',
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'less!/customize/src/less/cryptpad.less',
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], function ($, Crypto, realtimeInput, Hyperjson,
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Toolbar, Cursor, JsonOT, TypingTest, JSONSortify, TextPatcher, Cryptpad, Cryptget, Links) {
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var saveAs = window.saveAs;
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var Messages = Cryptpad.Messages;
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$(function () {
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var ifrw = $('#pad-iframe')[0].contentWindow;
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var Ckeditor; // to be initialized later...
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var DiffDom = window.diffDOM;
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Cryptpad.addLoadingScreen();
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var stringify = function (obj) {
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return JSONSortify(obj);
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};
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window.Toolbar = Toolbar;
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window.Hyperjson = Hyperjson;
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var slice = function (coll) {
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return Array.prototype.slice.call(coll);
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};
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var removeListeners = function (root) {
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slice(root.attributes).map(function (attr) {
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if (/^on/.test(attr.name)) {
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root.attributes.removeNamedItem(attr.name);
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}
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});
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slice(root.children).forEach(removeListeners);
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};
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var hjsonToDom = function (H) {
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var dom = Hyperjson.toDOM(H);
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removeListeners(dom);
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return dom;
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};
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var module = window.REALTIME_MODULE = window.APP = {
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Hyperjson: Hyperjson,
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TextPatcher: TextPatcher,
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logFights: true,
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fights: [],
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Cryptpad: Cryptpad,
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Cursor: Cursor,
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};
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var emitResize = module.emitResize = function () {
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var cw = $('#pad-iframe')[0].contentWindow;
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var evt = cw.document.createEvent('UIEvents');
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evt.initUIEvent('resize', true, false, cw, 0);
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cw.dispatchEvent(evt);
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};
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var toolbar;
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var isNotMagicLine = function (el) {
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return !(el && typeof(el.getAttribute) === 'function' &&
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el.getAttribute('class') &&
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el.getAttribute('class').split(' ').indexOf('non-realtime') !== -1);
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};
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/* catch `type="_moz"` before it goes over the wire */
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var brFilter = function (hj) {
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if (hj[1].type === '_moz') { hj[1].type = undefined; }
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return hj;
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};
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var onConnectError = function () {
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Cryptpad.errorLoadingScreen(Messages.websocketError);
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};
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var andThen = function (Ckeditor) {
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var $iframe = $('#pad-iframe').contents();
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var secret = Cryptpad.getSecrets();
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var readOnly = secret.keys && !secret.keys.editKeyStr;
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if (!secret.keys) {
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secret.keys = secret.key;
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}
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var editor = window.editor = Ckeditor.replace('editor1', {
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customConfig: '/customize/ckeditor-config.js',
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});
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editor.on('instanceReady', Links.addSupportForOpeningLinksInNewTab(Ckeditor));
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editor.on('instanceReady', function () {
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var $bar = $('#pad-iframe')[0].contentWindow.$('#cke_1_toolbox');
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var $html = $bar.closest('html');
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var $faLink = $html.find('head link[href*="/bower_components/components-font-awesome/css/font-awesome.min.css"]');
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if ($faLink.length) {
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$html.find('iframe').contents().find('head').append($faLink.clone());
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}
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var isHistoryMode = false;
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if (readOnly) {
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$('#pad-iframe')[0].contentWindow.$('#cke_1_toolbox > .cke_toolbox_main').hide();
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}
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/* add a class to the magicline plugin so we can pick it out more easily */
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var ml = $('iframe')[0].contentWindow.CKEDITOR.instances.editor1.plugins.magicline
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.backdoor.that.line.$;
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[ml, ml.parentElement].forEach(function (el) {
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el.setAttribute('class', 'non-realtime');
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});
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var documentBody = ifrw.$('iframe')[0].contentDocument.body;
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var inner = window.inner = documentBody;
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// hide all content until the realtime doc is ready
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$(inner).css({
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color: '#fff',
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});
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var cursor = module.cursor = Cursor(inner);
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var setEditable = module.setEditable = function (bool) {
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if (bool) {
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$(inner).css({
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color: '#333',
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});
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}
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if (!readOnly || !bool) {
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inner.setAttribute('contenteditable', bool);
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}
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};
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// don't let the user edit until the pad is ready
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setEditable(false);
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var forbiddenTags = [
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'SCRIPT',
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'IFRAME',
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'OBJECT',
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'APPLET',
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'VIDEO',
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'AUDIO'
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];
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var diffOptions = {
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preDiffApply: function (info) {
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/*
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Don't accept attributes that begin with 'on'
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these are probably listeners, and we don't want to
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send scripts over the wire.
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*/
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if (['addAttribute', 'modifyAttribute'].indexOf(info.diff.action) !== -1) {
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if (info.diff.name === 'href') {
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// console.log(info.diff);
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//var href = info.diff.newValue;
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// TODO normalize HTML entities
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if (/javascript *: */.test(info.diff.newValue)) {
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// TODO remove javascript: links
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}
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}
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if (/^on/.test(info.diff.name)) {
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console.log("Rejecting forbidden element attribute with name (%s)", info.diff.name);
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return true;
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}
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}
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/*
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Also reject any elements which would insert any one of
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our forbidden tag types: script, iframe, object,
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applet, video, or audio
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*/
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if (['addElement', 'replaceElement'].indexOf(info.diff.action) !== -1) {
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if (info.diff.element && forbiddenTags.indexOf(info.diff.element.nodeName) !== -1) {
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console.log("Rejecting forbidden tag of type (%s)", info.diff.element.nodeName);
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return true;
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} else if (info.diff.newValue && forbiddenTags.indexOf(info.diff.newValue.nodeType) !== -1) {
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console.log("Rejecting forbidden tag of type (%s)", info.diff.newValue.nodeName);
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return true;
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}
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}
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if (info.node && info.node.tagName === 'BODY') {
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if (info.diff.action === 'removeAttribute' &&
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['class', 'spellcheck'].indexOf(info.diff.name) !== -1) {
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return true;
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}
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}
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/* DiffDOM will filter out magicline plugin elements
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in practice this will make it impossible to use it
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while someone else is typing, which could be annoying.
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we should check when such an element is going to be
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removed, and prevent that from happening. */
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if (info.node && info.node.tagName === 'SPAN' &&
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info.node.getAttribute('contentEditable') === "false") {
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// it seems to be a magicline plugin element...
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if (info.diff.action === 'removeElement') {
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// and you're about to remove it...
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// this probably isn't what you want
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/*
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I have never seen this in the console, but the
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magic line is still getting removed on remote
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edits. This suggests that it's getting removed
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by something other than diffDom.
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*/
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console.log("preventing removal of the magic line!");
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// return true to prevent diff application
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return true;
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}
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}
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// Do not change the contenteditable value in view mode
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if (readOnly && info.node && info.node.tagName === 'BODY' &&
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info.diff.action === 'modifyAttribute' && info.diff.name === 'contenteditable') {
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return true;
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}
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// no use trying to recover the cursor if it doesn't exist
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if (!cursor.exists()) { return; }
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/* frame is either 0, 1, 2, or 3, depending on which
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cursor frames were affected: none, first, last, or both
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*/
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var frame = info.frame = cursor.inNode(info.node);
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if (!frame) { return; }
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if (typeof info.diff.oldValue === 'string' && typeof info.diff.newValue === 'string') {
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var pushes = cursor.pushDelta(info.diff.oldValue, info.diff.newValue);
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if (frame & 1) {
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// push cursor start if necessary
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if (pushes.commonStart < cursor.Range.start.offset) {
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cursor.Range.start.offset += pushes.delta;
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}
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}
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if (frame & 2) {
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// push cursor end if necessary
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if (pushes.commonStart < cursor.Range.end.offset) {
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cursor.Range.end.offset += pushes.delta;
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}
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}
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}
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},
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postDiffApply: function (info) {
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if (info.frame) {
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if (info.node) {
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if (info.frame & 1) { cursor.fixStart(info.node); }
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if (info.frame & 2) { cursor.fixEnd(info.node); }
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} else { console.error("info.node did not exist"); }
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var sel = cursor.makeSelection();
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var range = cursor.makeRange();
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cursor.fixSelection(sel, range);
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}
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}
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};
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var initializing = true;
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var Title;
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var UserList;
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var Metadata;
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var getHeadingText = function () {
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var text;
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if (['h1', 'h2', 'h3'].some(function (t) {
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var $header = $(inner).find(t + ':first-of-type');
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if ($header.length && $header.text()) {
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text = $header.text();
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return true;
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}
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})) { return text; }
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};
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var DD = new DiffDom(diffOptions);
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var openLink = function (e) {
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var el = e.currentTarget;
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if (!el || el.nodeName !== 'A') { return; }
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var href = el.getAttribute('href');
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if (href) { window.open(href, '_blank'); }
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};
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// apply patches, and try not to lose the cursor in the process!
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var applyHjson = function (shjson) {
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var userDocStateDom = hjsonToDom(JSON.parse(shjson));
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if (!readOnly && !initializing) {
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userDocStateDom.setAttribute("contenteditable", "true"); // lol wtf
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}
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var patch = (DD).diff(inner, userDocStateDom);
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(DD).apply(inner, patch);
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if (readOnly) {
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var $links = $(inner).find('a');
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// off so that we don't end up with multiple identical handlers
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$links.off('click', openLink).on('click', openLink);
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}
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};
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var stringifyDOM = module.stringifyDOM = function (dom) {
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var hjson = Hyperjson.fromDOM(dom, isNotMagicLine, brFilter);
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hjson[3] = {
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metadata: {
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users: UserList.userData,
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defaultTitle: Title.defaultTitle,
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type: 'pad'
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}
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};
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if (!initializing) {
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hjson[3].metadata.title = Title.title;
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} else if (Cryptpad.initialName && !hjson[3].metadata.title) {
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hjson[3].metadata.title = Cryptpad.initialName;
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}
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return stringify(hjson);
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};
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var realtimeOptions = {
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// the websocket URL
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websocketURL: Cryptpad.getWebsocketURL(),
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// the channel we will communicate over
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channel: secret.channel,
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// the nework used for the file store if it exists
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network: Cryptpad.getNetwork(),
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// our public key
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validateKey: secret.keys.validateKey || undefined,
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readOnly: readOnly,
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// Pass in encrypt and decrypt methods
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crypto: Crypto.createEncryptor(secret.keys),
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// really basic operational transform
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transformFunction : JsonOT.validate,
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// cryptpad debug logging (default is 1)
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// logLevel: 0,
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validateContent: function (content) {
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try {
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JSON.parse(content);
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return true;
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} catch (e) {
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console.log("Failed to parse, rejecting patch");
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return false;
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}
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}
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};
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var setHistory = function (bool, update) {
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isHistoryMode = bool;
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setEditable(!bool);
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if (!bool && update) {
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realtimeOptions.onRemote();
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}
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};
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realtimeOptions.onRemote = function () {
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if (initializing) { return; }
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if (isHistoryMode) { return; }
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var oldShjson = stringifyDOM(inner);
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var shjson = module.realtime.getUserDoc();
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// remember where the cursor is
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cursor.update();
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// Update the user list (metadata) from the hyperjson
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Metadata.update(shjson);
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var newInner = JSON.parse(shjson);
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var newSInner;
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if (newInner.length > 2) {
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newSInner = stringify(newInner[2]);
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}
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// build a dom from HJSON, diff, and patch the editor
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applyHjson(shjson);
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if (!readOnly) {
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var shjson2 = stringifyDOM(inner);
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if (shjson2 !== shjson) {
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console.error("shjson2 !== shjson");
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module.patchText(shjson2);
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/* pushing back over the wire is necessary, but it can
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result in a feedback loop, which we call a browser
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fight */
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if (module.logFights) {
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// what changed?
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var op = TextPatcher.diff(shjson, shjson2);
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// log the changes
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TextPatcher.log(shjson, op);
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var sop = JSON.stringify(TextPatcher.format(shjson, op));
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var index = module.fights.indexOf(sop);
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if (index === -1) {
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module.fights.push(sop);
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console.log("Found a new type of browser disagreement");
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console.log("You can inspect the list in your " +
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"console at `REALTIME_MODULE.fights`");
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console.log(module.fights);
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} else {
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console.log("Encountered a known browser disagreement: " +
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"available at `REALTIME_MODULE.fights[%s]`", index);
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}
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}
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}
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}
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// Notify only when the content has changed, not when someone has joined/left
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var oldSInner = stringify(JSON.parse(oldShjson)[2]);
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if (newSInner && newSInner !== oldSInner) {
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Cryptpad.notify();
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}
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};
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var getHTML = function () {
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return ('<!DOCTYPE html>\n' + '<html>\n' + inner.innerHTML);
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};
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var domFromHTML = function (html) {
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return new DOMParser().parseFromString(html, 'text/html');
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};
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var exportFile = function () {
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var html = getHTML();
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var suggestion = Title.suggestTitle('cryptpad-document');
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Cryptpad.prompt(Messages.exportPrompt,
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Cryptpad.fixFileName(suggestion) + '.html', function (filename) {
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if (!(typeof(filename) === 'string' && filename)) { return; }
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var blob = new Blob([html], {type: "text/html;charset=utf-8"});
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saveAs(blob, filename);
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});
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};
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var importFile = function (content) {
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var shjson = stringify(Hyperjson.fromDOM(domFromHTML(content).body));
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applyHjson(shjson);
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realtimeOptions.onLocal();
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};
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realtimeOptions.onInit = function (info) {
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UserList = Cryptpad.createUserList(info, realtimeOptions.onLocal, Cryptget, Cryptpad);
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var titleCfg = { getHeadingText: getHeadingText };
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Title = Cryptpad.createTitle(titleCfg, realtimeOptions.onLocal, Cryptpad);
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Metadata = Cryptpad.createMetadata(UserList, Title, null, Cryptpad);
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var configTb = {
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displayed: ['title', 'useradmin', 'spinner', 'lag', 'state', 'share', 'userlist', 'newpad', 'limit', 'upgrade'],
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userList: UserList.getToolbarConfig(),
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share: {
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secret: secret,
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channel: info.channel
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},
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title: Title.getTitleConfig(),
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common: Cryptpad,
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readOnly: readOnly,
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ifrw: ifrw,
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realtime: info.realtime,
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network: info.network,
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$container: $bar,
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$contentContainer: $iframe.find('#cke_1_contents'),
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};
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toolbar = info.realtime.toolbar = Toolbar.create(configTb);
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var src = 'less!/customize/src/less/toolbar.less';
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require([
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src
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], function () {
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var $html = $bar.closest('html');
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$html
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.find('head style[data-original-src="' + src.replace(/less!/, '') + '"]')
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.appendTo($html.find('head'));
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});
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Title.setToolbar(toolbar);
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var $rightside = toolbar.$rightside;
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var $drawer = toolbar.$drawer;
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var editHash;
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if (!readOnly) {
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editHash = Cryptpad.getEditHashFromKeys(info.channel, secret.keys);
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}
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$bar.find('#cke_1_toolbar_collapser').hide();
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if (!readOnly) {
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// Expand / collapse the toolbar
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var $collapse = Cryptpad.createButton(null, true);
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$collapse.removeClass('fa-question');
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var updateIcon = function () {
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$collapse.removeClass('fa-caret-down').removeClass('fa-caret-up');
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var isCollapsed = !$bar.find('.cke_toolbox_main').is(':visible');
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if (isCollapsed) {
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if (!initializing) { Cryptpad.feedback('HIDETOOLBAR_PAD'); }
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$collapse.addClass('fa-caret-down');
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}
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else {
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if (!initializing) { Cryptpad.feedback('SHOWTOOLBAR_PAD'); }
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$collapse.addClass('fa-caret-up');
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}
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};
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|
updateIcon();
|
|
$collapse.click(function () {
|
|
$(window).trigger('resize');
|
|
$iframe.find('.cke_toolbox_main').toggle();
|
|
$(window).trigger('cryptpad-ck-toolbar');
|
|
updateIcon();
|
|
});
|
|
$rightside.append($collapse);
|
|
}
|
|
|
|
/* add a history button */
|
|
var histConfig = {
|
|
onLocal: realtimeOptions.onLocal,
|
|
onRemote: realtimeOptions.onRemote,
|
|
setHistory: setHistory,
|
|
applyVal: function (val) { applyHjson(val || '["BODY",{},[]]'); },
|
|
$toolbar: $bar
|
|
};
|
|
var $hist = Cryptpad.createButton('history', true, {histConfig: histConfig});
|
|
$drawer.append($hist);
|
|
|
|
/* save as template */
|
|
if (!Cryptpad.isTemplate(window.location.href)) {
|
|
var templateObj = {
|
|
rt: info.realtime,
|
|
Crypt: Cryptget,
|
|
getTitle: function () { return document.title; }
|
|
};
|
|
var $templateButton = Cryptpad.createButton('template', true, templateObj);
|
|
$rightside.append($templateButton);
|
|
}
|
|
|
|
/* add an export button */
|
|
var $export = Cryptpad.createButton('export', true, {}, exportFile);
|
|
$drawer.append($export);
|
|
|
|
if (!readOnly) {
|
|
/* add an import button */
|
|
var $import = Cryptpad.createButton('import', true, {
|
|
accept: 'text/html'
|
|
}, importFile);
|
|
$drawer.append($import);
|
|
}
|
|
|
|
/* add a forget button */
|
|
var forgetCb = function (err) {
|
|
if (err) { return; }
|
|
setEditable(false);
|
|
};
|
|
var $forgetPad = Cryptpad.createButton('forget', true, {}, forgetCb);
|
|
$rightside.append($forgetPad);
|
|
|
|
// set the hash
|
|
if (!readOnly) { Cryptpad.replaceHash(editHash); }
|
|
};
|
|
|
|
// this should only ever get called once, when the chain syncs
|
|
realtimeOptions.onReady = function (info) {
|
|
if (!module.isMaximized) {
|
|
module.isMaximized = true;
|
|
$iframe.find('iframe.cke_wysiwyg_frame').css('width', '');
|
|
$iframe.find('iframe.cke_wysiwyg_frame').css('height', '');
|
|
}
|
|
$iframe.find('body').addClass('app-pad');
|
|
|
|
if (module.realtime !== info.realtime) {
|
|
module.patchText = TextPatcher.create({
|
|
realtime: info.realtime,
|
|
//logging: true,
|
|
});
|
|
}
|
|
|
|
module.realtime = info.realtime;
|
|
|
|
var shjson = module.realtime.getUserDoc();
|
|
|
|
var newPad = false;
|
|
if (shjson === '') { newPad = true; }
|
|
|
|
if (!newPad) {
|
|
applyHjson(shjson);
|
|
|
|
// Update the user list (metadata) from the hyperjson
|
|
Metadata.update(shjson);
|
|
|
|
if (!readOnly) {
|
|
var shjson2 = stringifyDOM(inner);
|
|
var hjson2 = JSON.parse(shjson2).slice(0,-1);
|
|
var hjson = JSON.parse(shjson).slice(0,-1);
|
|
if (stringify(hjson2) !== stringify(hjson)) {
|
|
console.log('err');
|
|
console.error("shjson2 !== shjson");
|
|
Cryptpad.errorLoadingScreen(Messages.wrongApp);
|
|
throw new Error();
|
|
}
|
|
}
|
|
} else {
|
|
Title.updateTitle(Cryptpad.initialName || Title.defaultTitle);
|
|
documentBody.innerHTML = Messages.initialState;
|
|
}
|
|
|
|
Cryptpad.removeLoadingScreen(emitResize);
|
|
setEditable(!readOnly);
|
|
initializing = false;
|
|
|
|
if (readOnly) { return; }
|
|
UserList.getLastName(toolbar.$userNameButton, newPad);
|
|
editor.focus();
|
|
if (newPad) {
|
|
cursor.setToEnd();
|
|
} else {
|
|
cursor.setToStart();
|
|
}
|
|
};
|
|
|
|
realtimeOptions.onAbort = function () {
|
|
console.log("Aborting the session!");
|
|
// stop the user from continuing to edit
|
|
setEditable(false);
|
|
toolbar.failed();
|
|
Cryptpad.alert(Messages.common_connectionLost, undefined, true);
|
|
};
|
|
|
|
realtimeOptions.onConnectionChange = function (info) {
|
|
setEditable(info.state);
|
|
toolbar.failed();
|
|
if (info.state) {
|
|
initializing = true;
|
|
toolbar.reconnecting(info.myId);
|
|
Cryptpad.findOKButton().click();
|
|
} else {
|
|
Cryptpad.alert(Messages.common_connectionLost, undefined, true);
|
|
}
|
|
};
|
|
|
|
realtimeOptions.onError = onConnectError;
|
|
|
|
var onLocal = realtimeOptions.onLocal = function () {
|
|
if (initializing) { return; }
|
|
if (isHistoryMode) { return; }
|
|
if (readOnly) { return; }
|
|
|
|
// stringify the json and send it into chainpad
|
|
var shjson = stringifyDOM(inner);
|
|
|
|
module.patchText(shjson);
|
|
if (module.realtime.getUserDoc() !== shjson) {
|
|
console.error("realtime.getUserDoc() !== shjson");
|
|
}
|
|
};
|
|
|
|
module.realtimeInput = realtimeInput.start(realtimeOptions);
|
|
|
|
Cryptpad.onLogout(function () { setEditable(false); });
|
|
|
|
/* hitting enter makes a new line, but places the cursor inside
|
|
of the <br> instead of the <p>. This makes it such that you
|
|
cannot type until you click, which is rather unnacceptable.
|
|
If the cursor is ever inside such a <br>, you probably want
|
|
to push it out to the parent element, which ought to be a
|
|
paragraph tag. This needs to be done on keydown, otherwise
|
|
the first such keypress will not be inserted into the P. */
|
|
inner.addEventListener('keydown', cursor.brFix);
|
|
|
|
editor.on('change', onLocal);
|
|
|
|
// export the typing tests to the window.
|
|
// call like `test = easyTest()`
|
|
// terminate the test like `test.cancel()`
|
|
window.easyTest = function () {
|
|
cursor.update();
|
|
var start = cursor.Range.start;
|
|
var test = TypingTest.testInput(inner, start.el, start.offset, onLocal);
|
|
onLocal();
|
|
return test;
|
|
};
|
|
|
|
$bar.find('.cke_button').click(function () {
|
|
var e = this;
|
|
var classString = e.getAttribute('class');
|
|
var classes = classString.split(' ').filter(function (c) {
|
|
return /cke_button__/.test(c);
|
|
});
|
|
|
|
var id = classes[0];
|
|
if (typeof(id) === 'string') {
|
|
Cryptpad.feedback(id.toUpperCase());
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
var interval = 100;
|
|
var second = function (Ckeditor) {
|
|
Cryptpad.ready(function () {
|
|
andThen(Ckeditor);
|
|
Cryptpad.reportAppUsage();
|
|
});
|
|
Cryptpad.onError(function (info) {
|
|
if (info && info.type === "store") {
|
|
onConnectError();
|
|
}
|
|
});
|
|
};
|
|
|
|
var first = function () {
|
|
Ckeditor = ifrw.CKEDITOR;
|
|
if (Ckeditor) {
|
|
// mobile configuration
|
|
Ckeditor.config.toolbarCanCollapse = true;
|
|
if (screen.height < 800) {
|
|
Ckeditor.config.toolbarStartupExpanded = false;
|
|
$('meta[name=viewport]').attr('content', 'width=device-width, initial-scale=1.0, user-scalable=no');
|
|
} else {
|
|
$('meta[name=viewport]').attr('content', 'width=device-width, initial-scale=1.0, user-scalable=yes');
|
|
}
|
|
second(Ckeditor);
|
|
} else {
|
|
console.log("Ckeditor was not defined. Trying again in %sms",interval);
|
|
setTimeout(first, interval);
|
|
}
|
|
};
|
|
|
|
$(first);
|
|
|
|
});
|
|
});
|