504 lines
15 KiB
JavaScript
504 lines
15 KiB
JavaScript
//app
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//external modules
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var express = require('express');
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var toobusy = require('toobusy-js');
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var ejs = require('ejs');
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var passport = require('passport');
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var methodOverride = require('method-override');
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var cookieParser = require('cookie-parser');
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var bodyParser = require('body-parser');
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var compression = require('compression')
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var session = require('express-session');
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var SequelizeStore = require('connect-session-sequelize')(session.Store);
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var fs = require('fs');
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var imgur = require('imgur');
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var formidable = require('formidable');
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var morgan = require('morgan');
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var passportSocketIo = require("passport.socketio");
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var helmet = require('helmet');
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//core
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var config = require("./lib/config.js");
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var logger = require("./lib/logger.js");
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var auth = require("./lib/auth.js");
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var response = require("./lib/response.js");
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var models = require("./lib/models");
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//server setup
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if (config.usessl) {
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var ca = (function () {
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var i, len, results;
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results = [];
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for (i = 0, len = config.sslcapath.length; i < len; i++) {
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results.push(fs.readFileSync(config.sslcapath[i], 'utf8'));
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}
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return results;
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})();
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var options = {
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key: fs.readFileSync(config.sslkeypath, 'utf8'),
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cert: fs.readFileSync(config.sslcertpath, 'utf8'),
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ca: ca,
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dhparam: fs.readFileSync(config.dhparampath, 'utf8'),
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requestCert: false,
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rejectUnauthorized: false
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};
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var app = express();
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var server = require('https').createServer(options, app);
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} else {
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var app = express();
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var server = require('http').createServer(app);
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}
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//logger
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app.use(morgan('combined', {
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"stream": logger.stream
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}));
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//socket io
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var io = require('socket.io')(server);
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//others
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var realtime = require("./lib/realtime.js");
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//assign socket io to realtime
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realtime.io = io;
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//methodOverride
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app.use(methodOverride('_method'));
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// create application/json parser
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var jsonParser = bodyParser.json();
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// create application/x-www-form-urlencoded parser
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var urlencodedParser = bodyParser.urlencoded({
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extended: false
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});
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//session store
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var sessionStore = new SequelizeStore({
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db: models.sequelize
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});
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//compression
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app.use(compression());
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// use hsts to tell https users stick to this
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app.use(helmet.hsts({
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maxAge: 31536000 * 1000, // 365 days
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includeSubdomains: true,
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preload: true
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}));
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// routes without sessions
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// static files
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app.use('/', express.static(__dirname + '/public', { maxAge: config.staticcachetime }));
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app.use('/vendor/', express.static(__dirname + '/bower_components', { maxAge: config.staticcachetime }));
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//session
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app.use(session({
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name: config.sessionname,
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secret: config.sessionsecret,
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resave: false, //don't save session if unmodified
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saveUninitialized: true, //always create session to ensure the origin
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cookie: {
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maxAge: config.sessionlife,
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expires: new Date(Date.now() + config.sessionlife),
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},
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store: sessionStore
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}));
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// session resumption
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var tlsSessionStore = {};
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server.on('newSession', function (id, data, cb) {
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tlsSessionStore[id.toString('hex')] = data;
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cb();
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});
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server.on('resumeSession', function (id, cb) {
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cb(null, tlsSessionStore[id.toString('hex')] || null);
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});
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//middleware which blocks requests when we're too busy
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app.use(function (req, res, next) {
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if (toobusy()) {
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response.errorServiceUnavailable(res);
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} else {
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next();
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}
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});
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//passport
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app.use(passport.initialize());
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app.use(passport.session());
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//serialize and deserialize
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passport.serializeUser(function (user, done) {
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logger.info('serializeUser: ' + user.id);
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return done(null, user.id);
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});
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passport.deserializeUser(function (id, done) {
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models.User.findOne({
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where: {
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id: id
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}
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}).then(function (user) {
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logger.info('deserializeUser: ' + user.id);
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return done(null, user);
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}).catch(function (err) {
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logger.error(err);
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return done(err, null);
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});
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});
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// redirect url with trailing slashes
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app.use(function(req, res, next) {
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if ("GET" == req.method && req.path.substr(-1) == '/' && req.path.length > 1) {
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var query = req.url.slice(req.path.length);
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res.redirect(301, config.serverurl + req.path.slice(0, -1) + query);
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} else {
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next();
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}
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});
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// routes need sessions
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//template files
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app.set('views', __dirname + '/public');
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//set render engine
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app.engine('html', ejs.renderFile);
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//get index
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app.get("/", response.showIndex);
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//get 403 forbidden
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app.get("/403", function (req, res) {
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response.errorForbidden(res);
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});
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//get 404 not found
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app.get("/404", function (req, res) {
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response.errorNotFound(res);
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});
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//get 500 internal error
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app.get("/500", function (req, res) {
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response.errorInternalError(res);
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});
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//get status
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app.get("/status", function (req, res, next) {
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realtime.getStatus(function (data) {
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res.end(JSON.stringify(data));
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});
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});
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//get status
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app.get("/temp", function (req, res) {
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var host = req.get('host');
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if (config.alloworigin.indexOf(host) == -1)
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response.errorForbidden(res);
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else {
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var tempid = req.query.tempid;
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if (!tempid)
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response.errorForbidden(res);
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else {
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models.Temp.findOne({
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where: {
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id: tempid
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}
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}).then(function (temp) {
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if (!temp)
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response.errorNotFound(res);
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else {
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res.header("Access-Control-Allow-Origin", "*");
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res.send({
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temp: temp.data
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});
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temp.destroy().catch(function (err) {
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if (err)
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logger.error('remove temp failed: ' + err);
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});
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}
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}).catch(function (err) {
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logger.error(err);
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return response.errorInternalError(res);
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});
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}
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}
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});
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//post status
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app.post("/temp", urlencodedParser, function (req, res) {
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var host = req.get('host');
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if (config.alloworigin.indexOf(host) == -1)
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response.errorForbidden(res);
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else {
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var data = req.body.data;
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if (!data)
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response.errorForbidden(res);
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else {
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if (config.debug)
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logger.info('SERVER received temp from [' + host + ']: ' + req.body.data);
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models.Temp.create({
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data: data
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}).then(function (temp) {
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if (temp) {
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res.header("Access-Control-Allow-Origin", "*");
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res.send({
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status: 'ok',
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id: temp.id
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});
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} else
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response.errorInternalError(res);
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}).catch(function (err) {
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logger.error(err);
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return response.errorInternalError(res);
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});
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}
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}
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});
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//facebook auth
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if (config.facebook) {
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app.get('/auth/facebook',
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passport.authenticate('facebook'));
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//facebook auth callback
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app.get('/auth/facebook/callback',
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passport.authenticate('facebook', {
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failureRedirect: config.serverurl
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}),
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function (req, res) {
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res.redirect(config.serverurl);
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});
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}
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//twitter auth
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if (config.twitter) {
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app.get('/auth/twitter',
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passport.authenticate('twitter'));
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//twitter auth callback
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app.get('/auth/twitter/callback',
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passport.authenticate('twitter', {
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failureRedirect: config.serverurl
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}),
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function (req, res) {
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res.redirect(config.serverurl);
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});
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}
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//github auth
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if (config.github) {
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app.get('/auth/github',
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passport.authenticate('github'));
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//github auth callback
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app.get('/auth/github/callback',
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passport.authenticate('github', {
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failureRedirect: config.serverurl
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}),
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function (req, res) {
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res.redirect(config.serverurl);
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});
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//github callback actions
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app.get('/auth/github/callback/:noteId/:action', response.githubActions);
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}
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//gitlab auth
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if (config.gitlab) {
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app.get('/auth/gitlab',
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passport.authenticate('gitlab'));
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//gitlab auth callback
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app.get('/auth/gitlab/callback',
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passport.authenticate('gitlab', {
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failureRedirect: config.serverurl
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}),
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function (req, res) {
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res.redirect(config.serverurl);
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});
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//gitlab callback actions
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app.get('/auth/gitlab/callback/:noteId/:action', response.gitlabActions);
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}
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//dropbox auth
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if (config.dropbox) {
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app.get('/auth/dropbox',
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passport.authenticate('dropbox-oauth2'));
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//dropbox auth callback
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app.get('/auth/dropbox/callback',
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passport.authenticate('dropbox-oauth2', {
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failureRedirect: config.serverurl
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}),
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function (req, res) {
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res.redirect(config.serverurl);
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});
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}
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//google auth
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if (config.google) {
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app.get('/auth/google',
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passport.authenticate('google', { scope: ['profile'] }));
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//google auth callback
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app.get('/auth/google/callback',
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passport.authenticate('google', {
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failureRedirect: config.serverurl
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}),
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function (req, res) {
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res.redirect(config.serverurl);
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});
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}
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//logout
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app.get('/logout', function (req, res) {
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if (config.debug && req.isAuthenticated())
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logger.info('user logout: ' + req.user.id);
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req.logout();
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res.redirect(config.serverurl);
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});
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//get history
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app.get('/history', function (req, res) {
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if (req.isAuthenticated()) {
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models.User.findOne({
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where: {
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id: req.user.id
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}
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}).then(function (user) {
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if (!user)
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return response.errorNotFound(res);
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var history = [];
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if (user.history)
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history = JSON.parse(user.history);
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res.send({
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history: history
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});
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if (config.debug)
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logger.info('read history success: ' + user.id);
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}).catch(function (err) {
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logger.error('read history failed: ' + err);
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return response.errorInternalError(res);
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});
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} else {
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return response.errorForbidden(res);
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}
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});
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//post history
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app.post('/history', urlencodedParser, function (req, res) {
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if (req.isAuthenticated()) {
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if (config.debug)
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logger.info('SERVER received history from [' + req.user.id + ']: ' + req.body.history);
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models.User.update({
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history: req.body.history
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}, {
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where: {
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id: req.user.id
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}
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}).then(function (count) {
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if (!count)
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return response.errorNotFound(res);
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if (config.debug)
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logger.info("write user history success: " + req.user.id);
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}).catch(function (err) {
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logger.error('write history failed: ' + err);
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return response.errorInternalError(res);
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});
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res.end();
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} else {
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return response.errorForbidden(res);
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}
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});
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//get me info
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app.get('/me', function (req, res) {
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if (req.isAuthenticated()) {
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models.User.findOne({
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where: {
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id: req.user.id
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}
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}).then(function (user) {
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if (!user)
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return response.errorNotFound(res);
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var profile = models.User.parseProfile(user.profile);
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res.send({
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status: 'ok',
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id: req.user.id,
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name: profile.name,
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photo: profile.photo
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});
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}).catch(function (err) {
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logger.error('read me failed: ' + err);
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return response.errorInternalError(res);
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});
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} else {
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res.send({
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status: 'forbidden'
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});
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}
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});
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//upload to imgur
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app.post('/uploadimage', function (req, res) {
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var form = new formidable.IncomingForm();
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form.parse(req, function (err, fields, files) {
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if (err || !files.image || !files.image.path) {
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response.errorForbidden(res);
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} else {
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if (config.debug)
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logger.info('SERVER received uploadimage: ' + JSON.stringify(files.image));
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imgur.setClientId(config.imgur.clientID);
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try {
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imgur.uploadFile(files.image.path)
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.then(function (json) {
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if (config.debug)
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logger.info('SERVER uploadimage success: ' + JSON.stringify(json));
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res.send({
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link: json.data.link.replace(/^http:\/\//i, 'https://')
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});
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})
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.catch(function (err) {
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logger.error(err);
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return res.send('upload image error');
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});
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} catch (err) {
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logger.error(err);
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return res.send('upload image error');
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}
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}
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});
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});
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//get new note
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app.get("/new", response.newNote);
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//get publish note
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app.get("/s/:shortid", response.showPublishNote);
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//publish note actions
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app.get("/s/:shortid/:action", response.publishNoteActions);
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//get publish slide
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app.get("/p/:shortid", response.showPublishSlide);
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//get note by id
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app.get("/:noteId", response.showNote);
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//note actions
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app.get("/:noteId/:action", response.noteActions);
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// response not found if no any route matches
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app.get('*', function (req, res) {
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response.errorNotFound(res);
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});
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//socket.io secure
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io.use(realtime.secure);
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//socket.io auth
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io.use(passportSocketIo.authorize({
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cookieParser: cookieParser,
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key: config.sessionname,
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secret: config.sessionsecret,
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store: sessionStore,
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success: realtime.onAuthorizeSuccess,
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fail: realtime.onAuthorizeFail
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}));
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//socket.io heartbeat
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io.set('heartbeat interval', config.heartbeatinterval);
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io.set('heartbeat timeout', config.heartbeattimeout);
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//socket.io connection
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io.sockets.on('connection', realtime.connection);
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//listen
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function startListen() {
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if (config.usessl) {
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server.listen(config.port, function () {
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logger.info('HTTPS Server listening at port %d', config.port);
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});
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} else {
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server.listen(config.port, function () {
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logger.info('HTTP Server listening at port %d', config.port);
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});
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}
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}
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// sync db then start listen
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models.sequelize.sync().then(startListen);
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// log uncaught exception
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process.on('uncaughtException', function (err) {
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logger.error('An uncaught exception has occured.');
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logger.error(err);
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logger.error('Process will exit now.');
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process.exit(1);
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}); |