make parametized policies work

index.js

@@ -1,7 +1,57 @@
 
 
+
+
 module.exports = function(sails){
     return {
 
+        defaults: {
+            paths: {
+                policiesFactories: '/api/policiesFactories',
+            }
+        },
+
+        configure: function(){
+            sails.config.policies = this.parse(sails.config.policies);
+        },
+
+        parse: function(obj){
+
+            var type = typeof obj;
+
+            if(type === 'object'){
+                for(var i in obj){
+                    obj[i] = this.parse(obj[i]);
+                }
+
+                return obj;
+            }
+
+
+            if(type === 'string'){
+
+                var functionMatches = obj.match(/(.*)\((.*)\)/);
+
+
+                // the policy is a function
+                if(functionMatches !== null){
+
+                    var functionName = functionMatches[1];
+                    var args = functionMatches[2].split(/\s*,\s*/);
+
+                    var policyFactory = require(sails.config.paths.policiesFactories + '/' + functionName);
+
+                    var policy = policyFactory.apply(this, args);
+
+                    return policy;
+                }
+            }
+
+
+            return obj;
+        }
     };
+
+
+
 }

test/controllers/MainController.js

@@ -0,0 +1,17 @@
+
+
+
+// GET /admin
+module.exports.admin = function(req, res){
+    res.send();
+}
+
+
+// GET /user
+module.exports.user = function(req, res){
+    res.send();
+}
+
+module.exports.ok = function(req, res){
+    res.send();
+}

test/index.js

@@ -23,7 +23,21 @@ describe('hook annotation router', function(){
             },
             paths: {
                 controllers: __dirname + '/controllers',
+                policies: __dirname + '/policies',
+                policiesFactories: __dirname + '/policiesFactories',
             },
+            routes: {
+                'GET /ok': 'MainController.ok',
+                'GET /user': 'MainController.user',
+                'GET /admin': 'MainController.admin',
+            },
+            policies: {
+                'MainController': {
+                    'admin': ['is(\'Admin\')'],
+                    'user': 'is(\'User\')',
+                    'ok': 'accept',
+                }
+            }
         }, function(err, _sails){
 
             if(err) return done(err);
@@ -47,4 +61,23 @@ describe('hook annotation router', function(){
     it('should start the sails server', function(){
         return true;
     });
+
+    it('should not modify non function policies', function(done){
+        request(sails.hooks.http.app)
+            .get('/ok')
+            .expect(200, done);
+    });
+
+    it('should parse function policy', function(done){
+        request(sails.hooks.http.app)
+            .get('/user')
+            .expect('\'User\'', done);
+    })
+
+    it('should parse function policy into an array', function(done){
+        request(sails.hooks.http.app)
+            .get('/admin')
+            .expect('\'Admin\'', done);
+    })
+
 })

test/policies/accept.js

@@ -0,0 +1,3 @@
+module.exports = function(req, res, next){
+    next();
+};

test/policiesFactories/is.js

@@ -0,0 +1,7 @@
+module.exports = function(userType){
+
+    return function(req, res, next){
+        res.write(userType);
+        next();
+    };
+};