Make folder listing a global setting

[perso/Immae/Projets/Nodejs/Surfer.git] / server.js

diff --git a/server.js b/server.js
index f9dd4f54984f8c580a3d6499fadf2031106a10c2..4a8bfe5af89ef9d6a469192b6c3cfb653476874a 100755 (executable)
--- a/server.js
+++ b/server.js
@@ -7,17 +7,58 @@ var express = require('express'),
     morgan = require('morgan'),
     passport = require('passport'),
     path = require('path'),
+    fs = require('fs'),
     compression = require('compression'),
     session = require('express-session'),
     bodyParser = require('body-parser'),
     cookieParser = require('cookie-parser'),
     lastMile = require('connect-lastmile'),
+    HttpError = require('connect-lastmile').HttpError,
+    HttpSuccess = require('connect-lastmile').HttpSuccess,
     multipart = require('./src/multipart'),
     mkdirp = require('mkdirp'),
     auth = require('./src/auth.js'),
     serveIndex = require('serve-index'),
     files = require('./src/files.js')(path.resolve(__dirname, process.argv[2] || 'files'));
 
+
+var rootFolder = path.resolve(__dirname, process.argv[2] || 'files');
+var configFile = path.resolve(__dirname, process.argv[3] || './config.json');
+
+// Ensure the root folder exists
+mkdirp.sync(rootFolder);
+
+var config = {
+    folderListingEnabled: true
+};
+
+function getSettings(req, res, next) {
+    res.send({ folderListingEnabled: !!config.folderListingEnabled });
+}
+
+function setSettings(req, res, next) {
+    if (typeof req.body.folderListingEnabled === 'undefined') return next(new HttpError(400, 'missing folderListingEnabled boolean'));
+
+    config.folderListingEnabled = !!req.body.folderListingEnabled;
+
+    fs.writeFile(configFile, JSON.stringify(config), function (error) {
+        if (error) return next(new HttpError(500, 'unable to save settings'));
+
+        next(new HttpSuccess(201, {}));
+    });
+}
+
+// Load the config file
+try {
+    config = require(configFile);
+} catch (e) {
+    if (e.code === 'MODULE_NOT_FOUND') console.log(`Config file ${configFile} not found`);
+    else console.log(`Cannot load config file ${configFile}`, e);
+}
+
+if (typeof config.folderListingEnabled === 'undefined') config.folderListingEnabled = true;
+
+// Setup the express server and routes
 var app = express();
 var router = new express.Router();
 
@@ -25,6 +66,8 @@ var multipart = multipart({ maxFieldsSize: 2 * 1024, limit: '512mb', timeout: 3
 
 router.post  ('/api/login', auth.login);
 router.post  ('/api/logout', auth.verify, auth.logout);
+router.get   ('/api/settings', auth.verify, getSettings);
+router.put   ('/api/settings', auth.verify, setSettings);
 router.get   ('/api/profile', auth.verify, auth.getProfile);
 router.get   ('/api/files/*', auth.verify, files.get);
 router.post  ('/api/files/*', auth.verify, multipart, files.post);
@@ -32,14 +75,6 @@ router.put   ('/api/files/*', auth.verify, files.put);
 router.delete('/api/files/*', auth.verify, files.del);
 router.get   ('/api/healthcheck', function (req, res) { res.status(200).send(); });
 
-// welcome screen in case / does not serve up any file yet
-function welcomePage(req, res, next) {
-    if (req.path !== '/') return next();
-    res.status(200).sendFile(path.join(__dirname, '/frontend/welcome.html'));
-}
-
-var rootFolder = path.resolve(__dirname, process.argv[2] || 'files');
-
 app.use(morgan('dev'));
 app.use(compression());
 app.use('/api', bodyParser.json());
@@ -51,7 +86,14 @@ app.use('/api', passport.session());
 app.use(router);
 app.use('/_admin', express.static(__dirname + '/frontend'));
 app.use('/', express.static(rootFolder));
-app.use('/', welcomePage);
+app.use('/', function welcomePage(req, res, next) {
+    if (req.path !== '/') return next();
+    res.status(200).sendFile(path.join(__dirname, '/frontend/welcome.html'));
+});
+app.use('/', function (req, res, next) {
+    if (config.folderListingEnabled) return next();
+    res.sendFile(__dirname + '/frontend/404.html');
+});
 app.use('/', serveIndex(rootFolder, { icons: true }));
 app.use(lastMile());
 
@@ -59,9 +101,6 @@ var server = app.listen(3000, function () {
     var host = server.address().address;
     var port = server.address().port;
 
-    var basePath = path.resolve(__dirname, process.argv[2] || 'files');
-    mkdirp.sync(basePath);
-
-    console.log('Surfer listening at http://%s:%s', host, port);
-    console.log('Using base path', basePath);
+    console.log('Surfer listening on http://%s:%s', host, port);
+    console.log('Using base path', rootFolder);
 });