Initial auth implementation

lib/application.js

@@ -43,12 +43,6 @@ app.disuse = function (route) {
   }
 }
 
-/**
- * App models.
- */
-
-app._models = [];
-
 /**
  * Expose a model.
  *
@@ -60,7 +54,7 @@ app.model = function (Model, config) {
     assert(typeof Model === 'function', 'app.model(Model) => Model must be a function / constructor');
     assert(Model.pluralModelName, 'Model must have a "pluralModelName" property');
     this.remotes().exports[Model.pluralModelName] = Model;
-    this._models.push(Model);
+    this.models().push(Model);
     Model.shared = true;
     Model.app = this;
     Model.emit('attached', this);
@@ -82,20 +76,12 @@ app.model = function (Model, config) {
   return Model;
 }
 
-/**
- * Get a Model by name.
- */
-
-app.getModel = function (modelName) {
-  this.models
-};
-
 /**
  * Get all exposed models.
  */
 
 app.models = function () {
-  return this._models;
+  return this._models || (this._models = []);
 }
 
 /**
@@ -144,7 +130,6 @@ app.docs = function (options) {
   swagger(remotes, options);
 }
 
-
 /*!
  * Get a handler of the specified type from the handler cache.
  */
@@ -166,6 +151,52 @@ app.handler = function (type) {
 
 app.dataSources = app.datasources = {};
 
+/**
+ * Enable app wide authentication.
+ */
+
+app.enableAuth = function() {
+  var remotes = this.remotes();
+
+  remotes.before('**', function(ctx, next, method) {
+    var req = ctx.req;
+    var Model = method.ctor;
+    var modelInstance = ctx.instance;
+    var modelId = modelInstance && modelInstance.id;
+
+    // TODO(ritch) - this fallback could be less express dependent
+    if(modelInstance && !modelId) {
+      modelId = req.param('id');
+    }
+
+    if(req.accessToken) {
+      Model.checkAccess(
+        req.accessToken,
+        modelId,
+        method.name,
+        function(err, allowed) {
+          if(err) {
+            next(err);
+          } else if(allowed) {
+            next();
+          } else {
+            var e = new Error('Access Denied');
+            e.statusCode = 401;
+            next(e);
+          }
+        }
+      );
+    } else if(method.fn && method.fn.requireToken === false) {
+      next();
+    } else {
+      var e = new Error('Access Denied');
+      e.statusCode = 401;
+
+      next(e);
+    }
+  });
+}
+
 /**
  * Initialize the app using JSON and JavaScript files.
  *

lib/loopback.js

@@ -252,7 +252,6 @@ loopback.RoleMapping = require('./models/role').RoleMapping;
 loopback.ACL = require('./models/acl').ACL;
 loopback.Scope = require('./models/acl').Scope;
 
-
 /**
  * Automatically attach these models to dataSources
  */

lib/models/access-token.js

@@ -8,7 +8,8 @@ var Model = require('../loopback').Model
   , crypto = require('crypto')
   , uid = require('uid2')
   , DEFAULT_TTL = 1209600 // 2 weeks in seconds
-  , DEFAULT_TOKEN_LEN = 64;
+  , DEFAULT_TOKEN_LEN = 64
+  , ACL = require('./acl').ACL;
 
 /**
  * Default AccessToken properties.

lib/models/acl.js

@@ -274,6 +274,10 @@ Scope.checkPermission = function (scope, model, property, accessType, callback)
 ACL.checkAccess = function (context, callback) {
   context = context || {};
   var principals = context.principals || [];
+
+  // add ROLE.EVERYONE
+  principals.unshift({principalType: ACL.ROLE, principalId: Role.EVERYONE});
+
   var model = context.model;
   model = ('string' === typeof model) ? loopback.getModel(model) : model;
   var id = context.id;
@@ -369,7 +373,7 @@ ACL.checkAccessForToken = function(token, model, modelId, method, callback) {
       callback && callback(err);
       return;
     }
-    callback && callback(access.permission !== ACL.DENY);
+    callback && callback(null, access.permission !== ACL.DENY);
   });
 };
 

test/access-token.test.js

@@ -1,5 +1,6 @@
 var loopback = require('../');
 var Token = loopback.AccessToken.extend('MyToken');
+var ACL = loopback.ACL;
 
 describe('loopback.token(options)', function() {
   beforeEach(createTestingToken);
@@ -54,6 +55,27 @@ describe('AccessToken', function () {
   });
 });
 
+describe('app.enableAuth()', function() {
+  this.timeout(0);
+
+  beforeEach(createTestingToken);
+
+  it('should prevent all remote method calls without an accessToken', function (done) {
+    createTestAppAndRequest(this.token, done)
+      .get('/tests')
+      .expect(401)
+      .end(done);
+  });
+
+  it('should prevent remote method calls if the accessToken doesnt have access', function (done) {
+    createTestAppAndRequest(this.token, done)
+      .del('/tests/123')
+      .expect(401)
+      .set('authorization', this.token.id)
+      .end(done);
+  });
+});
+
 function createTestingToken(done) {
   var test = this;
   Token.create({}, function (err, token) {
@@ -86,6 +108,23 @@ function createTestApp(testToken, done) {
     }
     res.send('ok');
   });
+  app.use(loopback.rest());
+  app.enableAuth();
+
+  var TestModel = loopback.Model.extend('test', {}, {
+    acls: [
+      {
+        principalType: "ROLE",
+        principalId: "$everyone",
+        accessType: ACL.ALL,
+        permission: ACL.DENY,
+        property: 'removeById'
+      }
+    ]
+  });
+
+  TestModel.attachTo(loopback.memory());
+  app.model(TestModel);
 
   return app;
 }

test/user.test.js

@@ -12,7 +12,6 @@ describe('User', function(){
   User.setMaxListeners(0);
   
   before(function () {
-    debugger;
     User.hasMany(AccessToken, {as: 'accessTokens', foreignKey: 'userId'});  
   });
   
@@ -257,8 +256,7 @@ describe('User', function(){
             assert(result.token);
             
             
-            var lines = result.email.message.split('\n');
-            assert(lines[3].indexOf('To: bar@bat.com') === 0);
+            assert(~result.email.message.indexOf('To: bar@bat.com'));
             done();
           });
         });