cryptpad/www/common/boot2.js

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3.5 KiB
JavaScript
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(function () {
try {
var isDarkOS = function () {
try {
return window.matchMedia('(prefers-color-scheme: dark)').matches;
} catch (e) { return false; }
};
var flush = window.CryptPad_flushCache = function () {
Object.keys(localStorage).forEach(function (k) {
if (k.indexOf('CRYPTPAD_CACHE|') !== 0 && k.indexOf('LESS_CACHE') !== 0) { return; }
delete localStorage[k];
});
};
var os = isDarkOS() ? 'dark' : 'light';
var key = 'CRYPTPAD_STORE|colortheme';
window.CryptPad_theme = localStorage[key] || os;
if (!localStorage[key]) {
// We're using OS theme, check if we need to change
if (os !== localStorage[key+'_default']) {
console.warn('New OS theme, flush cache');
flush();
localStorage[key+'_default'] = os;
}
}
if (window.CryptPad_theme === 'dark') {
var s = document.createElement('style');
s.innerHTML = 'body { background: black; }';
document.body.appendChild(s);
}
} catch (e) { console.error(e); }
})();
// This is stage 1, it can be changed but you must bump the version of the project.
define([
'/common/requireconfig.js'
], function (RequireConfig) {
require.config(RequireConfig());
// most of CryptPad breaks if you don't support isArray
if (!Array.isArray) {
Array.isArray = function(arg) { // CRYPTPAD_SHIM
return Object.prototype.toString.call(arg) === '[object Array]';
};
}
// file encryption/decryption won't work if you don't have Array.fill
if (typeof(Array.prototype.fill) !== 'function') {
Array.prototype.fill = function (x) { // CRYPTPAD_SHIM
var i = 0;
var l = this.length;
for (;i < l; i++) { this[i] = x; }
return this;
};
}
var failStore = function () {
console.error(new Error('wut'));
require(['jquery'], function ($) {
$.ajax({
type: 'HEAD',
url: '/common/feedback.html?NO_LOCALSTORAGE=' + (+new Date()),
});
});
window.alert("CryptPad needs localStorage to work. Try changing your cookie permissions, or using a different browser");
};
window.onerror = function (e) {
if (/requirejs\.org/.test(e)) {
console.log();
console.error("Require.js threw a Script Error. This probably means you're missing a dependency for CryptPad.\nIt is recommended that the admin of this server runs `bower install && bower update` to get the latest code, then modify their cache version.\nBest of luck,\nThe CryptPad Developers");
return void console.log();
}
if (window.CryptPad_loadingError) {
window.CryptPad_loadingError(e);
}
throw e;
};
try {
var test_key = 'localStorage_test';
var testval = Math.random().toString();
localStorage.setItem(test_key, testval);
if (localStorage.getItem(test_key) !== testval) {
failStore();
}
} catch (e) { console.error(e); failStore(); }
require([document.querySelector('script[data-bootload]').getAttribute('data-bootload')]);
if (typeof(Promise) !== 'function') {
setTimeout(function () {
var s = "Internet Explorer is not supported anymore, including by Microsoft.\n\nMost of CryptPad's collaborative functionality requires a modern browser to work.\n\nWe recommend Mozilla Firefox.";
window.alert(s);
});
}
});