268 lines
9.3 KiB
JavaScript
268 lines
9.3 KiB
JavaScript
define([
|
|
'jquery',
|
|
'/bower_components/chainpad-json-validator/json-ot.js',
|
|
'/bower_components/chainpad-crypto/crypto.js',
|
|
'/bower_components/chainpad/chainpad.dist.js',
|
|
], function ($, JsonOT, Crypto) {
|
|
var ChainPad = window.ChainPad;
|
|
var History = {};
|
|
|
|
var getStates = function (rt) {
|
|
var states = [];
|
|
var b = rt.getAuthBlock();
|
|
if (b) { states.unshift(b); }
|
|
while (b.getParent()) {
|
|
b = b.getParent();
|
|
states.unshift(b);
|
|
}
|
|
return states;
|
|
};
|
|
|
|
var loadHistory = function (config, common, cb) {
|
|
var network = common.getNetwork();
|
|
var hkn = network.historyKeeper;
|
|
|
|
var wcId = common.hrefToHexChannelId(config.href || window.location.href);
|
|
|
|
var createRealtime = function () {
|
|
return ChainPad.create({
|
|
userName: 'history',
|
|
initialState: '',
|
|
transformFunction: JsonOT.validate,
|
|
logLevel: 0,
|
|
noPrune: true
|
|
});
|
|
};
|
|
var realtime = createRealtime();
|
|
|
|
var parsed = config.href ? common.parsePadUrl(config.href) : {};
|
|
var secret = common.getSecrets(parsed.type, parsed.hash);
|
|
|
|
History.readOnly = 0;
|
|
if (!secret.keys) {
|
|
secret.keys = secret.key;
|
|
History.readOnly = 0;
|
|
}
|
|
else if (!secret.keys.validateKey) {
|
|
History.readOnly = 1;
|
|
}
|
|
|
|
var crypto = Crypto.createEncryptor(secret.keys);
|
|
|
|
var to = window.setTimeout(function () {
|
|
cb('[GET_FULL_HISTORY_TIMEOUT]');
|
|
}, 30000);
|
|
|
|
var parse = function (msg) {
|
|
try {
|
|
return JSON.parse(msg);
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
};
|
|
var onMsg = function (msg) {
|
|
var parsed = parse(msg);
|
|
if (parsed[0] === 'FULL_HISTORY_END') {
|
|
console.log('END');
|
|
window.clearTimeout(to);
|
|
cb(null, realtime);
|
|
return;
|
|
}
|
|
if (parsed[0] !== 'FULL_HISTORY') { return; }
|
|
if (parsed[1] && parsed[1].validateKey) { // First message
|
|
secret.keys.validateKey = parsed[1].validateKey;
|
|
return;
|
|
}
|
|
msg = parsed[1][4];
|
|
if (msg) {
|
|
msg = msg.replace(/^cp\|/, '');
|
|
var decryptedMsg = crypto.decrypt(msg, secret.keys.validateKey);
|
|
realtime.message(decryptedMsg);
|
|
}
|
|
};
|
|
|
|
network.on('message', function (msg) {
|
|
onMsg(msg);
|
|
});
|
|
|
|
network.sendto(hkn, JSON.stringify(['GET_FULL_HISTORY', wcId, secret.keys.validateKey]));
|
|
};
|
|
|
|
History.create = function (common, config) {
|
|
if (!config.$toolbar) { return void console.error("config.$toolbar is undefined");}
|
|
if (History.loading) { return void console.error("History is already being loaded..."); }
|
|
History.loading = true;
|
|
var $toolbar = config.$toolbar;
|
|
|
|
if (!config.applyVal || !config.setHistory || !config.onLocal || !config.onRemote) {
|
|
throw new Error("Missing config element: applyVal, onLocal, onRemote, setHistory");
|
|
}
|
|
|
|
// config.setHistory(bool, bool)
|
|
// - bool1: history value
|
|
// - bool2: reset old content?
|
|
var render = function (val) {
|
|
if (typeof val === "undefined") { return; }
|
|
try {
|
|
config.applyVal(val);
|
|
} catch (e) {
|
|
// Probably a parse error
|
|
console.error(e);
|
|
}
|
|
};
|
|
var onClose = function () { config.setHistory(false, true); };
|
|
var onRevert = function () {
|
|
config.setHistory(false, false);
|
|
config.onLocal();
|
|
config.onRemote();
|
|
};
|
|
var onReady = function () {
|
|
config.setHistory(true);
|
|
};
|
|
|
|
var Messages = common.Messages;
|
|
|
|
var realtime;
|
|
|
|
var states = [];
|
|
var c = states.length - 1;
|
|
|
|
var $hist = $toolbar.find('.cryptpad-toolbar-history');
|
|
var $left = $toolbar.find('.cryptpad-toolbar-leftside');
|
|
var $right = $toolbar.find('.cryptpad-toolbar-rightside');
|
|
var $cke = $toolbar.find('.cke_toolbox_main');
|
|
|
|
$hist.html('').show();
|
|
$left.hide();
|
|
$right.hide();
|
|
$cke.hide();
|
|
|
|
common.spinner($hist).get().show();
|
|
|
|
var onUpdate;
|
|
|
|
var update = function () {
|
|
if (!realtime) { return []; }
|
|
states = getStates(realtime);
|
|
if (typeof onUpdate === "function") { onUpdate(); }
|
|
return states;
|
|
};
|
|
|
|
// Get the content of the selected version, and change the version number
|
|
var get = function (i) {
|
|
i = parseInt(i);
|
|
if (isNaN(i)) { return; }
|
|
if (i < 0) { i = 0; }
|
|
if (i > states.length - 1) { i = states.length - 1; }
|
|
var val = states[i].getContent().doc;
|
|
c = i;
|
|
if (typeof onUpdate === "function") { onUpdate(); }
|
|
$hist.find('.next, .previous').css('visibility', '');
|
|
if (c === states.length - 1) { $hist.find('.next').css('visibility', 'hidden'); }
|
|
if (c === 0) { $hist.find('.previous').css('visibility', 'hidden'); }
|
|
return val || '';
|
|
};
|
|
|
|
var getNext = function (step) {
|
|
return typeof step === "number" ? get(c + step) : get(c + 1);
|
|
};
|
|
var getPrevious = function (step) {
|
|
return typeof step === "number" ? get(c - step) : get(c - 1);
|
|
};
|
|
|
|
// Create the history toolbar
|
|
var display = function () {
|
|
$hist.html('');
|
|
var $prev =$('<button>', {
|
|
'class': 'previous fa fa-step-backward buttonPrimary',
|
|
title: Messages.history_prev
|
|
}).appendTo($hist);
|
|
var $nav = $('<div>', {'class': 'goto'}).appendTo($hist);
|
|
var $next = $('<button>', {
|
|
'class': 'next fa fa-step-forward buttonPrimary',
|
|
title: Messages.history_next
|
|
}).appendTo($hist);
|
|
|
|
$('<label>').text(Messages.history_version).appendTo($nav);
|
|
var $cur = $('<input>', {
|
|
'class' : 'gotoInput',
|
|
'type' : 'number',
|
|
'min' : '1',
|
|
'max' : states.length
|
|
}).val(c + 1).appendTo($nav).mousedown(function (e) {
|
|
// stopPropagation because the event would be cancelled by the dropdown menus
|
|
e.stopPropagation();
|
|
});
|
|
var $label2 = $('<label>').text(' / '+ states.length).appendTo($nav);
|
|
$('<br>').appendTo($nav);
|
|
var $close = $('<button>', {
|
|
'class':'closeHistory',
|
|
title: Messages.history_closeTitle
|
|
}).text(Messages.history_closeTitle).appendTo($nav);
|
|
var $rev = $('<button>', {
|
|
'class':'revertHistory buttonSuccess',
|
|
title: Messages.history_restoreTitle
|
|
}).text(Messages.history_restore).appendTo($nav);
|
|
if (History.readOnly) { $rev.hide(); }
|
|
|
|
onUpdate = function () {
|
|
$cur.attr('max', states.length);
|
|
$cur.val(c+1);
|
|
$label2.text(' / ' + states.length);
|
|
};
|
|
|
|
var close = function () {
|
|
$hist.hide();
|
|
$left.show();
|
|
$right.show();
|
|
$cke.show();
|
|
};
|
|
|
|
// Buttons actions
|
|
$prev.click(function () { render(getPrevious()); });
|
|
$next.click(function () { render(getNext()); });
|
|
$cur.keydown(function (e) {
|
|
var p = function () { e.preventDefault(); };
|
|
if (e.which === 13) { p(); return render( get($cur.val() - 1) ); } // Enter
|
|
if ([37, 40].indexOf(e.which) >= 0) { p(); return render(getPrevious()); } // Left
|
|
if ([38, 39].indexOf(e.which) >= 0) { p(); return render(getNext()); } // Right
|
|
if (e.which === 33) { p(); return render(getNext(10)); } // PageUp
|
|
if (e.which === 34) { p(); return render(getPrevious(10)); } // PageUp
|
|
if (e.which === 27) { p(); $close.click(); }
|
|
}).keyup(function (e) { e.stopPropagation(); }).focus();
|
|
$cur.on('change', function () {
|
|
render( get($cur.val() - 1) );
|
|
});
|
|
$close.click(function () {
|
|
states = [];
|
|
close();
|
|
onClose();
|
|
});
|
|
$rev.click(function () {
|
|
common.confirm(Messages.history_restorePrompt, function (yes) {
|
|
if (!yes) { return; }
|
|
close();
|
|
onRevert();
|
|
common.log(Messages.history_restoreDone);
|
|
});
|
|
});
|
|
|
|
// Display the latest content
|
|
render(get(c));
|
|
};
|
|
|
|
// Load all the history messages into a new chainpad object
|
|
loadHistory(config, common, function (err, newRt) {
|
|
History.loading = false;
|
|
if (err) { throw new Error(err); }
|
|
realtime = newRt;
|
|
update();
|
|
c = states.length - 1;
|
|
display();
|
|
onReady();
|
|
});
|
|
};
|
|
|
|
return History;
|
|
});
|
|
|