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296 lines
9.9 KiB
JavaScript
296 lines
9.9 KiB
JavaScript
/*
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globals require console
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*/
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var Express = require('express');
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var Http = require('http');
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var Https = require('https');
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var Fs = require('fs');
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var WebSocketServer = require('ws').Server;
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var NetfluxSrv = require('./node_modules/chainpad-server/NetfluxWebsocketSrv');
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var Package = require('./package.json');
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var Path = require("path");
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var nThen = require("nthen");
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var config;
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try {
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config = require('./config/config');
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} catch (e) {
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console.log("You can customize the configuration by copying config/config.example.js to config/config.js");
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config = require('./config/config.example');
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}
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var websocketPort = config.websocketPort || config.httpPort;
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var useSecureWebsockets = config.useSecureWebsockets || false;
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// This is stuff which will become available to replify
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const debuggableStore = new WeakMap();
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const debuggable = function (name, x) {
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if (name in debuggableStore) {
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try { throw new Error(); } catch (e) {
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console.error('cannot add ' + name + ' more than once [' + e.stack + ']');
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}
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} else {
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debuggableStore[name] = x;
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}
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return x;
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};
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debuggable('global', global);
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debuggable('config', config);
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// support multiple storage back ends
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var Storage = require(config.storage||'./storage/file');
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var app = debuggable('app', Express());
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var httpsOpts;
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var DEV_MODE = !!process.env.DEV
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if (DEV_MODE) {
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console.log("DEV MODE ENABLED");
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}
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var FRESH_MODE = !!process.env.FRESH;
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var FRESH_KEY = '';
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if (FRESH_MODE) {
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console.log("FRESH MODE ENABLED");
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FRESH_KEY = +new Date();
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}
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config.flushCache = function () {
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FRESH_KEY = +new Date();
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};
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const clone = (x) => (JSON.parse(JSON.stringify(x)));
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var setHeaders = (function () {
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if (typeof(config.httpHeaders) !== 'object') { return function () {}; }
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const headers = clone(config.httpHeaders);
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if (config.contentSecurity) {
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headers['Content-Security-Policy'] = clone(config.contentSecurity);
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if (!/;$/.test(headers['Content-Security-Policy'])) { headers['Content-Security-Policy'] += ';' }
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if (headers['Content-Security-Policy'].indexOf('frame-ancestors') === -1) {
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// backward compat for those who do not merge the new version of the config
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// when updating. This prevents endless spinner if someone clicks donate.
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// It also fixes the cross-domain iframe.
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headers['Content-Security-Policy'] += "frame-ancestors *;";
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}
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}
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const padHeaders = clone(headers);
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if (config.padContentSecurity) {
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padHeaders['Content-Security-Policy'] = clone(config.padContentSecurity);
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}
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if (Object.keys(headers).length) {
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return function (req, res) {
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const h = [
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/^\/pad(2)?\/inner\.html.*/,
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/^\/sheet\/inner\.html.*/,
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/^\/common\/onlyoffice\/.*\/index\.html.*/
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].some((regex) => {
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return regex.test(req.url)
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}) ? padHeaders : headers;
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for (let header in h) { res.setHeader(header, h[header]); }
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};
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}
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return function () {};
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}());
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(function () {
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if (!config.logFeedback) { return; }
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const logFeedback = function (url) {
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url.replace(/\?(.*?)=/, function (all, fb) {
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console.log('[FEEDBACK] %s', fb);
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});
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};
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app.head(/^\/common\/feedback\.html/, function (req, res, next) {
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logFeedback(req.url);
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next();
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});
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}());
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app.use(function (req, res, next) {
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setHeaders(req, res);
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if (/[\?\&]ver=[^\/]+$/.test(req.url)) { res.setHeader("Cache-Control", "max-age=31536000"); }
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next();
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});
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app.use(Express.static(__dirname + '/www'));
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Fs.exists(__dirname + "/customize", function (e) {
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if (e) { return; }
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console.log("Cryptpad is customizable, see customize.dist/readme.md for details");
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});
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// FIXME I think this is a regression caused by a recent PR
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// correct this hack without breaking the contributor's intended behaviour.
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var mainPages = config.mainPages || ['index', 'privacy', 'terms', 'about', 'contact'];
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var mainPagePattern = new RegExp('^\/(' + mainPages.join('|') + ').html$');
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app.get(mainPagePattern, Express.static(__dirname + '/customize'));
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app.get(mainPagePattern, Express.static(__dirname + '/customize.dist'));
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app.use("/blob", Express.static(Path.join(__dirname, (config.blobPath || './blob')), {
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maxAge: DEV_MODE? "0d": "365d"
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}));
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app.use("/datastore", Express.static(Path.join(__dirname, (config.filePath || './datastore')), {
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maxAge: "0d"
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}));
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app.use("/block", Express.static(Path.join(__dirname, (config.blockPath || '/block')), {
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maxAge: "0d",
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}));
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app.use("/customize", Express.static(__dirname + '/customize'));
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app.use("/customize", Express.static(__dirname + '/customize.dist'));
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app.use("/customize.dist", Express.static(__dirname + '/customize.dist'));
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app.use(/^\/[^\/]*$/, Express.static('customize'));
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app.use(/^\/[^\/]*$/, Express.static('customize.dist'));
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if (config.privKeyAndCertFiles) {
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var privKeyAndCerts = '';
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config.privKeyAndCertFiles.forEach(function (file) {
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privKeyAndCerts = privKeyAndCerts + Fs.readFileSync(file);
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});
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var array = privKeyAndCerts.split('\n-----BEGIN ');
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for (var i = 1; i < array.length; i++) { array[i] = '-----BEGIN ' + array[i]; }
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var privKey;
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for (var i = 0; i < array.length; i++) {
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if (array[i].indexOf('PRIVATE KEY-----\n') !== -1) {
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privKey = array[i];
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array.splice(i, 1);
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break;
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}
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}
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if (!privKey) { throw new Error("cannot find private key"); }
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httpsOpts = {
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cert: array.shift(),
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key: privKey,
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ca: array
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};
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}
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var admins = [];
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try {
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admins = (config.adminKeys || []).map(function (k) {
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k = k.replace(/\/+$/, '');
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var s = k.split('/');
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return s[s.length-1].replace(/-/g, '/');
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});
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} catch (e) { console.error("Can't parse admin keys"); }
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app.get('/api/config', function(req, res){
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// TODO precompute any data that isn't dynamic to save some CPU time
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var host = req.headers.host.replace(/\:[0-9]+/, '');
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res.setHeader('Content-Type', 'text/javascript');
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res.send('define(function(){\n' + [
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'var obj = ' + JSON.stringify({
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requireConf: {
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waitSeconds: 600,
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urlArgs: 'ver=' + Package.version + (FRESH_KEY? '-' + FRESH_KEY: '') + (DEV_MODE? '-' + (+new Date()): ''),
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},
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removeDonateButton: (config.removeDonateButton === true),
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allowSubscriptions: (config.allowSubscriptions === true),
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websocketPath: config.useExternalWebsocket ? undefined : config.websocketPath,
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websocketURL:'ws' + ((useSecureWebsockets) ? 's' : '') + '://' + host + ':' +
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websocketPort + '/cryptpad_websocket',
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httpUnsafeOrigin: config.httpUnsafeOrigin,
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adminEmail: config.adminEmail,
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adminKeys: admins,
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}, null, '\t'),
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'obj.httpSafeOrigin = ' + (function () {
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if (config.httpSafeOrigin) { return '"' + config.httpSafeOrigin + '"'; }
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if (config.httpSafePort) {
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return "(function () { return window.location.origin.replace(/\:[0-9]+$/, ':" +
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config.httpSafePort + "'); }())";
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}
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return 'window.location.origin';
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}()),
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'return obj',
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'});'
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].join(';\n'));
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});
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var four04_path = Path.resolve(__dirname + '/customize.dist/404.html');
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var custom_four04_path = Path.resolve(__dirname + '/customize/404.html');
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var send404 = function (res, path) {
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if (!path && path !== four04_path) { path = four04_path; }
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Fs.exists(path, function (exists) {
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res.setHeader('Content-Type', 'text/html; charset=utf-8');
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if (exists) { return Fs.createReadStream(path).pipe(res); }
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send404(res);
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});
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};
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app.use(function (req, res, next) {
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res.status(404);
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send404(res, custom_four04_path);
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});
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var httpServer = httpsOpts ? Https.createServer(httpsOpts, app) : Http.createServer(app);
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httpServer.listen(config.httpPort,config.httpAddress,function(){
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var host = config.httpAddress;
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var hostName = !host.indexOf(':') ? '[' + host + ']' : host;
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var port = config.httpPort;
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var ps = port === 80? '': ':' + port;
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console.log('\n[%s] server available http://%s%s', new Date().toISOString(), hostName, ps);
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});
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if (config.httpSafePort) {
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Http.createServer(app).listen(config.httpSafePort, config.httpAddress);
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}
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var wsConfig = { server: httpServer };
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var rpc;
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var historyKeeper;
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// Initialize tasks, then rpc, then store, then history keeper and then start the server
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var nt = nThen(function (w) {
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var Tasks = require("./storage/tasks");
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console.log("loading task scheduler");
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Tasks.create(config, w(function (e, tasks) {
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config.tasks = tasks;
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}));
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}).nThen(function (w) {
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if (config.useExternalWebsocket) { return; }
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Storage.create(config, w(function (_store) {
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config.store = _store;
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}));
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}).nThen(function (w) {
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config.rpc = typeof(config.rpc) === 'undefined'? './rpc.js' : config.rpc;
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if (typeof(config.rpc) !== 'string') { return; }
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// load pin store...
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var Rpc = require(config.rpc);
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Rpc.create(config, debuggable, w(function (e, _rpc) {
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if (e) {
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w.abort();
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throw e;
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}
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rpc = _rpc;
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}));
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}).nThen(function () {
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if (config.useExternalWebsocket) { return; }
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var HK = require('./historyKeeper.js');
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var hkConfig = {
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tasks: config.tasks,
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rpc: rpc,
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store: config.store
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};
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historyKeeper = HK.create(hkConfig);
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}).nThen(function () {
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if (config.useExternalWebsocket) { return; }
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if (websocketPort !== config.httpPort) {
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console.log("setting up a new websocket server");
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wsConfig = { port: websocketPort};
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}
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var wsSrv = new WebSocketServer(wsConfig);
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NetfluxSrv.run(wsSrv, config, historyKeeper);
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});
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if (config.debugReplName) {
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require('replify')({ name: config.debugReplName, app: debuggableStore });
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}
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