Disable plugin if a key is not specified

lib/index.js

@@ -44,6 +44,10 @@
         if (err) {
           return reply(err);
         }
+        if (!key) {
+          // do not apply limit if there is no key
+          return reply.continue();
+        }
 
         debug('Request key: %s', key);
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hapi-throttling",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "HAPI rate limit plugin with Redis storage",
   "main": "index.js",
   "scripts": {

test/disable.spec.js

@@ -0,0 +1,66 @@
+var Hapi = require('hapi');
+var async = require('async');
+var chai = require('chai');
+chai.should();
+
+describe('HAPI with globally registered plugin', function () {
+  var server;
+  var max = 5;
+  var duration = 10000;
+
+  beforeEach(function() {
+    server = new Hapi.Server();
+    server.connection({port: 8000});
+
+    var options = {
+      redis: {
+        host: process.env.REDIS_HOST,
+        port: 6379
+      },
+      getKey: function (request, reply, done) {
+        done();
+      },
+      getLimit: function (request, reply, done) {
+        done(null, {
+          max: max,
+          duration: duration
+        });
+      }
+    };
+
+    server.register({
+      register: require('../'),
+      options: options
+    }, function (err) {
+      if (err) {
+        throw err;
+      }
+    });
+
+    server.route({
+      method: 'GET', 
+      path: '/', 
+      handler: function (request, reply) {
+        reply('OK');
+      }
+    });
+  });
+
+  it("should disable limits if the key is not determined", function (done) {
+    var options = {
+      method: "GET",
+      url: "/"
+    };  
+
+    server.inject(options, function (response) {
+      response.statusCode.should.equal(200);
+
+      response.headers.should.not.have.property('x-ratelimit-limit');
+      response.headers.should.not.have.property('x-ratelimit-remaining');
+      response.headers.should.not.have.property('x-ratelimit-reset');
+
+      done();
+    });
+  });
+
+});