X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=src%2Fauth.js;h=d575d601d1c91c0a84ed3202e37cb30b87c6c66c;hb=HEAD;hp=09ec8b79738ddd1f565e68147cde62ac4cf64f91;hpb=bcee89316e302f45f388cdfe064aa5d8b1d221e8;p=perso%2FImmae%2FProjets%2FNodejs%2FSurfer.git

diff --git a/src/auth.js b/src/auth.js
index 09ec8b7..d575d60 100644
--- a/src/auth.js
+++ b/src/auth.js
@@ -1,136 +1,150 @@
 'use strict';
 
-var passport = require('passport'),
-    path = require('path'),
+var path = require('path'),
     safe = require('safetydance'),
+    fs = require('fs'),
     bcrypt = require('bcryptjs'),
     uuid = require('uuid/v4'),
-    redis = require('redis'),
-    BearerStrategy = require('passport-http-bearer').Strategy,
-    LdapStrategy = require('passport-ldapjs').Strategy,
+    ldapjs = require('ldapjs'),
     HttpError = require('connect-lastmile').HttpError,
-    HttpSuccess = require('connect-lastmile').HttpSuccess;
+    HttpSuccess = require('connect-lastmile').HttpSuccess,
+    webdavErrors = require('webdav-server').v2.Errors;
+
+const LDAP_URL = process.env.CLOUDRON_LDAP_URL;
+const LDAP_USERS_BASE_DN = process.env.CLOUDRON_LDAP_USERS_BASE_DN;
+const LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json');
+const TOKENSTORE_FILE = path.resolve(process.env.TOKENSTORE_FILE || './.tokens.json');
+const AUTH_METHOD = (LDAP_URL && LDAP_USERS_BASE_DN) ? 'ldap' : 'local';
+const LOGIN_TOKEN_PREFIX = 'login-';
+const API_TOKEN_PREFIX = 'api-';
+
+if (AUTH_METHOD === 'ldap') {
+    console.log('Using ldap auth');
+} else {
+    console.log(`Using local auth file at: ${LOCAL_AUTH_FILE}`);
+}
 
-var LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json');
+var gConfig = {};
 
 var tokenStore = {
     data: {},
+    save: function () {
+        try {
+            fs.writeFileSync(TOKENSTORE_FILE, JSON.stringify(tokenStore.data), 'utf-8');
+        } catch (e) {
+            console.error(`Unable to save tokenstore file at ${TOKENSTORE_FILE}`, e);
+        }
+    },
     get: function (token, callback) {
         callback(tokenStore.data[token] ? null : 'not found', tokenStore.data[token]);
     },
-    set: function (token, data, callback) {
-        tokenStore.data[token] = data;
+    getApiTokens: function (callback) {
+        callback(null, Object.keys(tokenStore.data).filter(function (t) { return t.indexOf(API_TOKEN_PREFIX) === 0; }))
+    },
+    set: function (token, user, callback) {
+        tokenStore.data[token] = user;
+        tokenStore.save();
         callback(null);
     },
     del: function (token, callback) {
         delete tokenStore.data[token];
+        tokenStore.save();
         callback(null);
     }
 };
 
-if (process.env.REDIS_URL) {
-    console.log('Enable redis token store');
+// load token store data if any
+try {
+    console.log(`Using tokenstore file at: ${TOKENSTORE_FILE}`);
+    tokenStore.data = JSON.parse(fs.readFileSync(TOKENSTORE_FILE, 'utf-8'));
+} catch (e) {
+    // start with empty token store
+}
 
-    var redisClient = redis.createClient(process.env.REDIS_URL);
+function verifyUser(username, password, callback) {
+    if (AUTH_METHOD === 'ldap') {
+        var ldapClient = ldapjs.createClient({ url: process.env.CLOUDRON_LDAP_URL });
+        ldapClient.on('error', function (error) {
+            console.error('LDAP error', error);
+        });
 
-    if (process.env.REDIS_PASSWORD) {
-        console.log('Using redis auth');
-        redisClient.auth(process.env.REDIS_PASSWORD);
-    }
+        ldapClient.bind(process.env.CLOUDRON_LDAP_BIND_DN, process.env.CLOUDRON_LDAP_BIND_PASSWORD, function (error) {
+            if (error) return callback(error);
 
-    // overwrite the tokenStore api
-    tokenStore.get = redisClient.get.bind(redisClient);
-    tokenStore.set = redisClient.set.bind(redisClient);
-    tokenStore.del = redisClient.del.bind(redisClient);
-} else {
-    console.log('Use in-memory token store');
-}
+            var filter = process.env.CLOUDRON_LDAP_FILTER.replace(/\{username\}/g, username);
+            ldapClient.search(process.env.CLOUDRON_LDAP_USERS_BASE_DN, { filter: filter, scope: "sub" }, function (error, result) {
+                if (error) return callback(error);
 
-function issueAccessToken() {
-    return function (req, res, next) {
-        var accessToken = uuid();
+                var items = [];
 
-        tokenStore.set(accessToken, req.user, function (error) {
-            if (error) return next(new HttpError(500, error));
-            next(new HttpSuccess(201, { accessToken: accessToken, user: req.user }));
-        });
-    };
-}
+                result.on('searchEntry', function(entry) { items.push(entry.object); });
+                result.on('error', callback);
+                result.on('end', function (result) {
+                    if (result.status !== 0 || items.length === 0) return callback('Invalid credentials');
 
-passport.serializeUser(function (user, done) {
-    console.log('serializeUser', user);
-    done(null, user.uid);
-});
+                    // pick the first found
+                    var user = items[0];
 
-passport.deserializeUser(function (id, done) {
-    console.log('deserializeUser', id);
-    done(null, { uid: id });
-});
+                    ldapClient.bind(user.dn, password, function (error) {
+                        if (error) return callback('Invalid credentials');
 
-var LDAP_URL = process.env.LDAP_URL;
-var LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN;
+                        callback(null, { username: username });
+                    });
+                });
+            });
+        });
+    } else {
+        var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE));
+        if (!users || !users[username]) return callback('Invalid credentials');
 
-if (LDAP_URL && LDAP_USERS_BASE_DN) {
-    console.log('Enable ldap auth');
+        bcrypt.compare(password, users[username].passwordHash, function (error, valid) {
+            if (error || !valid) return callback('Invalid credentials');
 
-    exports.login = [ passport.authenticate('ldap'), issueAccessToken() ];
-} else {
-    console.log('Use local user file:', LOCAL_AUTH_FILE);
+            callback(null, { username: username });
+        });
+    }
+}
 
-    exports.login = [
-        function (req, res, next) {
-            var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE));
-            if (!users) return res.send(401);
-            if (!users[req.body.username]) return res.send(401);
+exports.init = function (config) {
+    gConfig = config;
+};
 
-            bcrypt.compare(req.body.password, users[req.body.username].passwordHash, function (error, valid) {
-                if (error || !valid) return res.send(401);
+exports.login = function (req, res, next) {
+    verifyUser(req.body.username, req.body.password, function (error, user) {
+        if (error) return next(new HttpError(401, 'Invalid credentials'));
 
-                req.user = {
-                    username: req.body.username
-                };
+        var accessToken = LOGIN_TOKEN_PREFIX + uuid();
 
-                next();
-            });
-        },
-        issueAccessToken()
-    ];
-}
+        tokenStore.set(accessToken, user, function (error) {
+            if (error) return next(new HttpError(500, error));
 
-var opts = {
-    server: {
-        url: LDAP_URL,
-    },
-    base: LDAP_USERS_BASE_DN,
-    search: {
-        filter: '(|(username={{username}})(mail={{username}}))',
-        attributes: ['displayname', 'username', 'mail', 'uid'],
-        scope: 'sub'
-    },
-    uidTag: 'cn',
-    usernameField: 'username',
-    passwordField: 'password',
+            next(new HttpSuccess(201, { accessToken: accessToken, user: user }));
+        });
+    });
 };
 
-passport.use(new LdapStrategy(opts, function (profile, done) {
-    done(null, profile);
-}));
+exports.verify = function (req, res, next) {
+    var accessToken = req.query.access_token || req.body.accessToken;
 
-exports.verify = passport.authenticate('bearer', { session: false });
+    tokenStore.get(accessToken, function (error, user) {
+        if (error) return next(new HttpError(401, 'Invalid Access Token'));
 
-passport.use(new BearerStrategy(function (token, done) {
-    tokenStore.get(token, function (error, result) {
-        if (error) {
-            console.error(error);
-            return done(null, false);
-        }
+        req.user = user;
 
-        done(null, result, { accessToken: token });
+        next();
     });
-}));
+
+};
+
+exports.verifyIfNeeded = function (req, res, next) {
+    if (!gConfig.folderListingEnabled) return exports.verify(req, res, next);
+    next();
+};
 
 exports.logout = function (req, res, next) {
-    tokenStore.del(req.authInfo.accessToken, function (error) {
+    var accessToken = req.query.access_token || req.body.accessToken;
+
+    tokenStore.del(accessToken, function (error) {
         if (error) console.error(error);
 
         next(new HttpSuccess(200, {}));
@@ -140,3 +154,61 @@ exports.logout = function (req, res, next) {
 exports.getProfile = function (req, res, next) {
     next(new HttpSuccess(200, { username: req.user.username }));
 };
+
+exports.getTokens = function (req, res, next) {
+    tokenStore.getApiTokens(function (error, result) {
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(200, { accessTokens: result }));
+    });
+};
+
+exports.createToken = function (req, res, next) {
+    var accessToken = API_TOKEN_PREFIX + uuid();
+
+    tokenStore.set(accessToken, req.user, function (error) {
+        if (error) return next(new HttpError(500, error));
+
+        next(new HttpSuccess(201, { accessToken: accessToken }));
+    });
+};
+
+exports.delToken = function (req, res, next) {
+    tokenStore.del(req.params.token, function (error) {
+        if (error) console.error(error);
+
+        next(new HttpSuccess(200, {}));
+    });
+};
+
+// webdav usermanager
+exports.WebdavUserManager = WebdavUserManager;
+
+// This implements the required interface only for the Basic Authentication for webdav-server
+function WebdavUserManager() {};
+
+WebdavUserManager.prototype.getDefaultUser = function (callback) {
+    // this is only a dummy user, since we always require authentication
+    var user = {
+        username: 'DefaultUser',
+        password: null,
+        isAdministrator: false,
+        isDefaultUser: true,
+        uid: 'DefaultUser'
+    };
+
+    callback(user);
+};
+
+WebdavUserManager.prototype.getUserByNamePassword = function (username, password, callback) {
+    verifyUser(username, password, function (error, user) {
+        if (error) return callback(webdavErrors.UserNotFound);
+
+        callback(null, {
+            username: user.username,
+            isAdministrator: true,
+            isDefaultUser: false,
+            uid: user.username
+        });
+    });
+};