583 lines
23 KiB
JavaScript
583 lines
23 KiB
JavaScript
require.config({ paths: { 'json.sortify': '/bower_components/json.sortify/dist/JSON.sortify' } });
|
|
define([
|
|
'/api/config?cb=' + Math.random().toString(16).substring(2),
|
|
'/common/messages.js',
|
|
'/bower_components/chainpad-crypto/crypto.js',
|
|
'/bower_components/chainpad-netflux/chainpad-netflux.js',
|
|
'/bower_components/hyperjson/hyperjson.js',
|
|
'/common/toolbar.js',
|
|
'/common/cursor.js',
|
|
'/bower_components/chainpad-json-validator/json-ot.js',
|
|
'/common/TypingTests.js',
|
|
'json.sortify',
|
|
'/bower_components/textpatcher/TextPatcher.amd.js',
|
|
'/common/cryptpad-common.js',
|
|
'/common/visible.js',
|
|
'/common/notify.js',
|
|
'/bower_components/file-saver/FileSaver.min.js',
|
|
'/bower_components/diff-dom/diffDOM.js',
|
|
'/bower_components/jquery/dist/jquery.min.js',
|
|
'/customize/pad.js'
|
|
], function (Config, Messages, Crypto, realtimeInput, Hyperjson,
|
|
Toolbar, Cursor, JsonOT, TypingTest, JSONSortify, TextPatcher, Cryptpad,
|
|
Visible, Notify) {
|
|
|
|
var $ = window.jQuery;
|
|
var saveAs = window.saveAs;
|
|
var ifrw = $('#pad-iframe')[0].contentWindow;
|
|
var Ckeditor; // to be initialized later...
|
|
var DiffDom = window.diffDOM;
|
|
|
|
var stringify = function (obj) {
|
|
return JSONSortify(obj);
|
|
};
|
|
|
|
window.Toolbar = Toolbar;
|
|
window.Hyperjson = Hyperjson;
|
|
|
|
var hjsonToDom = function (H) {
|
|
return Hyperjson.toDOM(H); //callOn(H, Hyperscript);
|
|
};
|
|
|
|
var module = window.REALTIME_MODULE = window.APP = {
|
|
Hyperjson: Hyperjson,
|
|
TextPatcher: TextPatcher,
|
|
logFights: true,
|
|
fights: [],
|
|
Cryptpad: Cryptpad
|
|
};
|
|
|
|
var toolbar;
|
|
|
|
var isNotMagicLine = function (el) {
|
|
return !(el && typeof(el.getAttribute) === 'function' &&
|
|
el.getAttribute('class') &&
|
|
el.getAttribute('class').split(' ').indexOf('non-realtime') !== -1);
|
|
};
|
|
|
|
/* catch `type="_moz"` before it goes over the wire */
|
|
var brFilter = function (hj) {
|
|
if (hj[1].type === '_moz') { hj[1].type = undefined; }
|
|
return hj;
|
|
};
|
|
|
|
var andThen = function (Ckeditor) {
|
|
var secret = Cryptpad.getSecrets();
|
|
|
|
var fixThings = false;
|
|
|
|
var editor = window.editor = Ckeditor.replace('editor1', {
|
|
// https://dev.ckeditor.com/ticket/10907
|
|
needsBrFiller: fixThings,
|
|
needsNbspFiller: fixThings,
|
|
removeButtons: 'Source,Maximize',
|
|
// magicline plugin inserts html crap into the document which is not part of the
|
|
// document itself and causes problems when it's sent across the wire and reflected back
|
|
removePlugins: 'resize',
|
|
extraPlugins: 'autolink',
|
|
//skin: 'moono',
|
|
});
|
|
|
|
editor.on('instanceReady', function (Ckeditor) {
|
|
|
|
/* add a class to the magicline plugin so we can pick it out more easily */
|
|
|
|
var ml = $('iframe')[0].contentWindow.CKEDITOR.instances.editor1.plugins.magicline
|
|
.backdoor.that.line.$;
|
|
|
|
[ml, ml.parentElement].forEach(function (el) {
|
|
el.setAttribute('class', 'non-realtime');
|
|
});
|
|
|
|
editor.execCommand('maximize');
|
|
var documentBody = ifrw.$('iframe')[0].contentDocument.body;
|
|
|
|
documentBody.innerHTML = Messages.initialState;
|
|
|
|
var inner = window.inner = documentBody;
|
|
var cursor = window.cursor = Cursor(inner);
|
|
|
|
var setEditable = module.setEditable = function (bool) {
|
|
inner.setAttribute('contenteditable', bool);
|
|
};
|
|
|
|
// don't let the user edit until the pad is ready
|
|
setEditable(false);
|
|
|
|
var forbiddenTags = [
|
|
'SCRIPT',
|
|
'IFRAME',
|
|
'OBJECT',
|
|
'APPLET',
|
|
'VIDEO',
|
|
'AUDIO'
|
|
];
|
|
|
|
var diffOptions = {
|
|
preDiffApply: function (info) {
|
|
/*
|
|
Don't accept attributes that begin with 'on'
|
|
these are probably listeners, and we don't want to
|
|
send scripts over the wire.
|
|
*/
|
|
if (['addAttribute', 'modifyAttribute'].indexOf(info.diff.action) !== -1) {
|
|
if (/^on/.test(info.diff.name)) {
|
|
console.log("Rejecting forbidden element attribute with name (%s)", info.diff.name);
|
|
return true;
|
|
}
|
|
}
|
|
/*
|
|
Also reject any elements which would insert any one of
|
|
our forbidden tag types: script, iframe, object,
|
|
applet, video, or audio
|
|
*/
|
|
if (['addElement', 'replaceElement'].indexOf(info.diff.action) !== -1) {
|
|
if (info.diff.element && forbiddenTags.indexOf(info.diff.element.nodeName) !== -1) {
|
|
console.log("Rejecting forbidden tag of type (%s)", info.diff.element.nodeName);
|
|
return true;
|
|
} else if (info.diff.newValue && forbiddenTags.indexOf(info.diff.newValue.nodeType) !== -1) {
|
|
console.log("Rejecting forbidden tag of type (%s)", info.diff.newValue.nodeName);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (info.node && info.node.tagName === 'BODY') {
|
|
if (info.diff.action === 'removeAttribute' &&
|
|
['class', 'spellcheck'].indexOf(info.diff.name) !== -1) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/* DiffDOM will filter out magicline plugin elements
|
|
in practice this will make it impossible to use it
|
|
while someone else is typing, which could be annoying.
|
|
|
|
we should check when such an element is going to be
|
|
removed, and prevent that from happening. */
|
|
if (info.node && info.node.tagName === 'SPAN' &&
|
|
info.node.getAttribute('contentEditable') === "false") {
|
|
// it seems to be a magicline plugin element...
|
|
if (info.diff.action === 'removeElement') {
|
|
// and you're about to remove it...
|
|
// this probably isn't what you want
|
|
|
|
/*
|
|
I have never seen this in the console, but the
|
|
magic line is still getting removed on remote
|
|
edits. This suggests that it's getting removed
|
|
by something other than diffDom.
|
|
*/
|
|
console.log("preventing removal of the magic line!");
|
|
|
|
// return true to prevent diff application
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// no use trying to recover the cursor if it doesn't exist
|
|
if (!cursor.exists()) { return; }
|
|
|
|
/* frame is either 0, 1, 2, or 3, depending on which
|
|
cursor frames were affected: none, first, last, or both
|
|
*/
|
|
var frame = info.frame = cursor.inNode(info.node);
|
|
|
|
if (!frame) { return; }
|
|
|
|
if (typeof info.diff.oldValue === 'string' && typeof info.diff.newValue === 'string') {
|
|
var pushes = cursor.pushDelta(info.diff.oldValue, info.diff.newValue);
|
|
|
|
if (frame & 1) {
|
|
// push cursor start if necessary
|
|
if (pushes.commonStart < cursor.Range.start.offset) {
|
|
cursor.Range.start.offset += pushes.delta;
|
|
}
|
|
}
|
|
if (frame & 2) {
|
|
// push cursor end if necessary
|
|
if (pushes.commonStart < cursor.Range.end.offset) {
|
|
cursor.Range.end.offset += pushes.delta;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
postDiffApply: function (info) {
|
|
if (info.frame) {
|
|
if (info.node) {
|
|
if (info.frame & 1) { cursor.fixStart(info.node); }
|
|
if (info.frame & 2) { cursor.fixEnd(info.node); }
|
|
} else { console.error("info.node did not exist"); }
|
|
|
|
var sel = cursor.makeSelection();
|
|
var range = cursor.makeRange();
|
|
|
|
cursor.fixSelection(sel, range);
|
|
}
|
|
}
|
|
};
|
|
|
|
var initializing = true;
|
|
var userList = {}; // List of pretty name of all users (mapped with their server ID)
|
|
var toolbarList; // List of users still connected to the channel (server IDs)
|
|
var addToUserList = function(data) {
|
|
for (var attrname in data) { userList[attrname] = data[attrname]; }
|
|
if(toolbarList && typeof toolbarList.onChange === "function") {
|
|
toolbarList.onChange(userList);
|
|
}
|
|
};
|
|
|
|
var myData = {};
|
|
var myUserName = ''; // My "pretty name"
|
|
var myID; // My server ID
|
|
|
|
var setMyID = function(info) {
|
|
myID = info.myID || null;
|
|
};
|
|
|
|
var createChangeName = function(id, $container) {
|
|
var buttonElmt = $container.find('#'+id)[0];
|
|
buttonElmt.addEventListener("click", function() {
|
|
Cryptpad.prompt(Messages.changeNamePrompt, '', function (newName) {
|
|
if (!(typeof(newName) === 'string' && newName.trim())) { return; }
|
|
var myUserNameTemp = newName.trim();
|
|
if(myUserNameTemp.length > 32) {
|
|
myUserNameTemp = myUserNameTemp.substr(0, 32);
|
|
}
|
|
myUserName = myUserNameTemp;
|
|
myData[myID] = {
|
|
name: myUserName
|
|
};
|
|
addToUserList(myData);
|
|
editor.fire('change');
|
|
});
|
|
});
|
|
};
|
|
|
|
var DD = new DiffDom(diffOptions);
|
|
|
|
// apply patches, and try not to lose the cursor in the process!
|
|
var applyHjson = function (shjson) {
|
|
var userDocStateDom = hjsonToDom(JSON.parse(shjson));
|
|
|
|
userDocStateDom.setAttribute("contenteditable", "true"); // lol wtf
|
|
var patch = (DD).diff(inner, userDocStateDom);
|
|
(DD).apply(inner, patch);
|
|
};
|
|
|
|
var stringifyDOM = module.stringifyDOM = function (dom) {
|
|
var hjson = Hyperjson.fromDOM(dom, isNotMagicLine, brFilter);
|
|
hjson[3] = {metadata: userList};
|
|
return stringify(hjson);
|
|
};
|
|
|
|
var realtimeOptions = {
|
|
// provide initialstate...
|
|
initialState: stringifyDOM(inner) || '{}',
|
|
|
|
// the websocket URL
|
|
websocketURL: Config.websocketURL,
|
|
|
|
// the channel we will communicate over
|
|
channel: secret.channel,
|
|
|
|
// our encryption key
|
|
cryptKey: secret.key,
|
|
|
|
// method which allows us to get the id of the user
|
|
setMyID: setMyID,
|
|
|
|
// Pass in encrypt and decrypt methods
|
|
crypto: Crypto.createEncryptor(secret.key),
|
|
|
|
// really basic operational transform
|
|
transformFunction : JsonOT.validate,
|
|
|
|
// cryptpad debug logging (default is 1)
|
|
// logLevel: 0,
|
|
|
|
validateContent: function (content) {
|
|
try {
|
|
JSON.parse(content);
|
|
return true;
|
|
} catch (e) {
|
|
console.log("Failed to parse, rejecting patch");
|
|
return false;
|
|
}
|
|
}
|
|
};
|
|
|
|
var updateUserList = function(shjson) {
|
|
// Extract the user list (metadata) from the hyperjson
|
|
var hjson = JSON.parse(shjson);
|
|
var peerUserList = hjson[3];
|
|
if(peerUserList && peerUserList.metadata) {
|
|
var userData = peerUserList.metadata;
|
|
// Update the local user data
|
|
addToUserList(userData);
|
|
hjson.pop();
|
|
}
|
|
};
|
|
|
|
var unnotify = function () {
|
|
if (module.tabNotification &&
|
|
typeof(module.tabNotification.cancel) === 'function') {
|
|
module.tabNotification.cancel();
|
|
}
|
|
};
|
|
|
|
var notify = function () {
|
|
if (Visible.isSupported() && !Visible.currently()) {
|
|
unnotify();
|
|
module.tabNotification = Notify.tab(document.title, 1000, 10);
|
|
}
|
|
};
|
|
|
|
var onRemote = realtimeOptions.onRemote = function (info) {
|
|
if (initializing) { return; }
|
|
|
|
var shjson = info.realtime.getUserDoc();
|
|
|
|
// remember where the cursor is
|
|
cursor.update();
|
|
|
|
// Update the user list (metadata) from the hyperjson
|
|
updateUserList(shjson);
|
|
|
|
// build a dom from HJSON, diff, and patch the editor
|
|
applyHjson(shjson);
|
|
|
|
var shjson2 = stringifyDOM(inner);
|
|
if (shjson2 !== shjson) {
|
|
console.error("shjson2 !== shjson");
|
|
module.patchText(shjson2);
|
|
|
|
/* pushing back over the wire is necessary, but it can
|
|
result in a feedback loop, which we call a browser
|
|
fight */
|
|
if (module.logFights) {
|
|
// what changed?
|
|
var op = TextPatcher.diff(shjson, shjson2);
|
|
// log the changes
|
|
TextPatcher.log(shjson, op);
|
|
var sop = JSON.stringify(TextPatcher.format(shjson, op));
|
|
|
|
var index = module.fights.indexOf(sop);
|
|
if (index === -1) {
|
|
module.fights.push(sop);
|
|
console.log("Found a new type of browser disagreement");
|
|
console.log("You can inspect the list in your " +
|
|
"console at `REALTIME_MODULE.fights`");
|
|
console.log(module.fights);
|
|
} else {
|
|
console.log("Encountered a known browser disagreement: " +
|
|
"available at `REALTIME_MODULE.fights[%s]`", index);
|
|
}
|
|
}
|
|
}
|
|
notify();
|
|
};
|
|
|
|
var getHTML = function (Dom) {
|
|
var data = inner.innerHTML;
|
|
Dom = Dom || (new DOMParser()).parseFromString(data,"text/html");
|
|
return ('<!DOCTYPE html>\n' +
|
|
'<html>\n' +
|
|
Dom.head.outerHTML + '\n' +
|
|
Dom.body.outerHTML);
|
|
};
|
|
|
|
var domFromHTML = function (html) {
|
|
return new DOMParser().parseFromString(html, 'text/html');
|
|
};
|
|
|
|
var getHeadingText = function () {
|
|
var text;
|
|
if (['h1', 'h2', 'h3'].some(function (t) {
|
|
var $header = $(inner).find(t + ':first-of-type');
|
|
if ($header.length && $header.text()) {
|
|
text = $header.text();
|
|
return true;
|
|
}
|
|
})) { return text; }
|
|
};
|
|
|
|
var suggestName = module.suggestName = function () {
|
|
var hash = window.location.hash.slice(1, 9);
|
|
|
|
if (document.title === hash) {
|
|
return getHeadingText() || hash;
|
|
} else {
|
|
return document.title || getHeadingText() || hash;
|
|
}
|
|
};
|
|
|
|
var exportFile = function () {
|
|
var html = getHTML();
|
|
var suggestion = suggestName();
|
|
Cryptpad.prompt(Messages.exportPrompt,
|
|
Cryptpad.fixFileName(suggestion) + '.html', function (filename) {
|
|
if (!(typeof(filename) === 'string' && filename)) { return; }
|
|
var blob = new Blob([html], {type: "text/html;charset=utf-8"});
|
|
saveAs(blob, filename);
|
|
});
|
|
};
|
|
|
|
var onInit = realtimeOptions.onInit = function (info) {
|
|
var $bar = $('#pad-iframe')[0].contentWindow.$('#cke_1_toolbox');
|
|
toolbarList = info.userList;
|
|
var config = {
|
|
userData: userList,
|
|
changeNameID: Toolbar.constants.changeName,
|
|
};
|
|
toolbar = info.realtime.toolbar = Toolbar.create($bar, info.myID, info.realtime, info.getLag, info.userList, config);
|
|
createChangeName(Toolbar.constants.changeName, $bar);
|
|
|
|
var $rightside = $bar.find('.' + Toolbar.constants.rightside);
|
|
|
|
/* add an export button */
|
|
var $export = $('<button>')
|
|
.text(Messages.exportButton)
|
|
.addClass('rightside-button')
|
|
.click(exportFile);
|
|
|
|
/* add an import button */
|
|
var $import = $('<button>')
|
|
.text(Messages.importButton)
|
|
.addClass('rightside-button')
|
|
.click(Cryptpad.importContent('text/plain', function (content) {
|
|
var shjson = stringify(Hyperjson.fromDOM(domFromHTML(content).body));
|
|
applyHjson(shjson);
|
|
realtimeOptions.onLocal();
|
|
}));
|
|
$rightside.append($export).append($import);
|
|
|
|
/* add a rename button */
|
|
var $rename = $('<button>', {
|
|
id: 'name-pad',
|
|
})
|
|
.addClass('cryptpad-rename rightside-button')
|
|
.text(Messages.renameButton)
|
|
.click(function () {
|
|
var suggestion = suggestName();
|
|
|
|
Cryptpad.prompt(Messages.renamePrompt, suggestion, function (title) {
|
|
if (title === null) { return; }
|
|
if (Cryptpad.causesNamingConflict(title)) {
|
|
Cryptpad.alert(Messages.renameConflict);
|
|
return;
|
|
}
|
|
|
|
Cryptpad.setPadTitle(title);
|
|
document.title = title;
|
|
});
|
|
});
|
|
$rightside.append($rename);
|
|
|
|
/* add a forget button */
|
|
var $forgetPad = $('<button>', {
|
|
id: 'cryptpad-forget',
|
|
})
|
|
.text(Messages.forgetButton)
|
|
.addClass('cryptpad-forget rightside-button')
|
|
.click(function () {
|
|
var href = window.location.href;
|
|
Cryptpad.confirm(Messages.forgetPrompt, function (yes) {
|
|
if (!yes) { return; }
|
|
Cryptpad.forgetPad(href);
|
|
document.title = window.location.hash.slice(1,9);
|
|
});
|
|
});
|
|
$rightside.append($forgetPad);
|
|
|
|
// set the hash
|
|
window.location.hash = info.channel + secret.key;
|
|
|
|
var title = document.title = Cryptpad.getPadTitle();
|
|
Cryptpad.rememberPad(title);
|
|
Cryptpad.styleAlerts();
|
|
};
|
|
|
|
// this should only ever get called once, when the chain syncs
|
|
var onReady = realtimeOptions.onReady = function (info) {
|
|
module.patchText = TextPatcher.create({
|
|
realtime: info.realtime,
|
|
//logging: true,
|
|
});
|
|
|
|
module.realtime = info.realtime;
|
|
|
|
var shjson = info.realtime.getUserDoc();
|
|
applyHjson(shjson);
|
|
|
|
if (Visible.isSupported()) {
|
|
Visible.onChange(function (yes) {
|
|
if (yes) { unnotify(); }
|
|
});
|
|
}
|
|
|
|
console.log("Unlocking editor");
|
|
setEditable(true);
|
|
initializing = false;
|
|
};
|
|
|
|
var onAbort = realtimeOptions.onAbort = function (info) {
|
|
console.log("Aborting the session!");
|
|
// stop the user from continuing to edit
|
|
setEditable(false);
|
|
// TODO inform them that the session was torn down
|
|
toolbar.failed();
|
|
Cryptpad.alert(Messages.disconnectAlert);
|
|
};
|
|
|
|
var onLocal = realtimeOptions.onLocal = function () {
|
|
if (initializing) { 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");
|
|
}
|
|
};
|
|
|
|
var rti = module.realtimeInput = realtimeInput.start(realtimeOptions);
|
|
|
|
/* 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()`
|
|
var easyTest = window.easyTest = function () {
|
|
cursor.update();
|
|
var start = cursor.Range.start;
|
|
var test = TypingTest.testInput(inner, start.el, start.offset, onLocal);
|
|
onLocal();
|
|
return test;
|
|
};
|
|
});
|
|
};
|
|
|
|
var interval = 100;
|
|
var first = function () {
|
|
Ckeditor = ifrw.CKEDITOR;
|
|
|
|
if (Ckeditor) {
|
|
andThen(Ckeditor);
|
|
} else {
|
|
console.log("Ckeditor was not defined. Trying again in %sms",interval);
|
|
setTimeout(first, interval);
|
|
}
|
|
};
|
|
|
|
$(first);
|
|
});
|