From 591ad40c9613c91069047ca0781a4b38fd2a8a1b Mon Sep 17 00:00:00 2001
From: Johannes Zellner <johannes@nebulon.de>
Date: Sat, 27 Jun 2015 19:05:20 +0200
Subject: [PATCH] Add ldap auth

---
 Dockerfile     |  1 +
 app.js         | 17 +++++++++++++----
 cli/actions.js |  2 ++
 package.json   |  3 +++
 src/auth.js    | 42 ++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 61 insertions(+), 4 deletions(-)
 create mode 100644 src/auth.js

diff --git a/Dockerfile b/Dockerfile
index 80ecadf..87ed80d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,7 @@ WORKDIR /app/code
 ADD package.json /app/code/package.json
 ADD src /app/code/src
 ADD app.js /app/code/app.js
+ADD app /app/code/app
 RUN npm install
 
 EXPOSE 3000
diff --git a/app.js b/app.js
index 967b865..5cc70f4 100755
--- a/app.js
+++ b/app.js
@@ -4,11 +4,15 @@
 
 var express = require('express'),
     morgan = require('morgan'),
+    passport = require('passport'),
     path = require('path'),
     compression = require('compression'),
+    session = require('express-session'),
     bodyParser = require('body-parser'),
+    cookieParser = require('cookie-parser'),
     lastMile = require('connect-lastmile'),
     multipart = require('./src/multipart'),
+    auth = require('./src/auth.js'),
     files = require('./src/files.js')(path.resolve(__dirname, 'files'));
 
 var app = express();
@@ -16,18 +20,23 @@ var router = new express.Router();
 
 var multipart = multipart({ maxFieldsSize: 2 * 1024, limit: '512mb', timeout: 3 * 60 * 1000 });
 
-router.get('/api/files/*', files.get);
-router.put('/api/files/*', multipart, files.put);
-router.delete('/api/files/*', files.del);
+router.get('/api/files/*', auth.ldap, files.get);
+router.put('/api/files/*', auth.ldap, multipart, files.put);
+router.delete('/api/files/*', auth.ldap, files.del);
 
 // healthcheck in case / does not serve up any file yet
 router.get('/', function (req, res) { res.sendfile(path.join(__dirname, '/app/welcome.html')); });
 
 app.use(morgan('dev'));
 app.use(compression());
-app.use(bodyParser.json());
 app.use('/settings', express.static(__dirname + '/app'));
 app.use(express.static(__dirname + '/files'));
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded());
+app.use(cookieParser());
+app.use(session({ secret: 'surfin surfin' }));
+app.use(passport.initialize());
+app.use(passport.session());
 app.use(router);
 app.use(lastMile());
 
diff --git a/cli/actions.js b/cli/actions.js
index 36296ae..b35b8da 100644
--- a/cli/actions.js
+++ b/cli/actions.js
@@ -44,6 +44,8 @@ function collectFiles(filesOrFolders) {
 }
 
 function login(server) {
+    if (server[server.length-1] === '/') server = server.slice(0, -1);
+
     console.log('Using server', server);
     config.set('server', server);
 }
diff --git a/package.json b/package.json
index 8c11b9a..d10b733 100644
--- a/package.json
+++ b/package.json
@@ -23,13 +23,16 @@
     "compression": "^1.5.0",
     "connect-lastmile": "0.0.10",
     "connect-timeout": "^1.6.2",
+    "cookie-parser": "^1.3.5",
     "debug": "^2.2.0",
     "del": "^1.2.0",
     "ejs": "^2.3.1",
     "express": "^4.12.4",
+    "express-session": "^1.11.3",
     "mkdirp": "^0.5.1",
     "morgan": "^1.6.0",
     "multiparty": "^4.1.2",
+    "passport": "^0.2.2",
     "safetydance": "0.0.16",
     "superagent": "^1.2.0",
     "underscore": "^1.8.3"
diff --git a/src/auth.js b/src/auth.js
new file mode 100644
index 0000000..3d2acce
--- /dev/null
+++ b/src/auth.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var passport = require('passport'),
+    LdapStrategy = require('passport-ldapjs').Strategy;
+
+var LDAP_URL = process.env.LDAP_URL;
+var LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN;
+
+if (LDAP_URL && LDAP_USERS_BASE_DN) {
+    console.log('Enable ldap auth');
+
+    exports.ldap = passport.authenticate('ldap', {
+        successReturnToOrRedirect: '/',
+        failureRedirect: '/login',
+        failureFlash: true
+    });
+} else {
+    exports.ldap = function (req, res, next) {
+        console.log('ldap auth disabled');
+        next();
+    };
+}
+
+var opts = {
+    server: {
+        url: LDAP_URL,
+    },
+    base: LDAP_USERS_BASE_DN,
+    search: {
+        filter: '(uid={{username}})',
+        attributes: ['displayname', 'username', 'mail', 'uid'],
+        scope: 'sub'
+    },
+    uidTag: 'uid',
+    usernameField: 'username',
+    passwordField: 'password',
+};
+
+passport.use(new LdapStrategy(opts, function (profile, done) {
+    console.log('ldap', profile);
+    done(null, profile);
+}));
-- 
2.41.0