Support empty username

Author: jonathanong

.gitignore

@@ -0,0 +1,3 @@
+node_modules
+.DS_Store*
+*.log

index.js

@@ -21,8 +21,8 @@ module.exports = function(req){
 
   // credentials
   auth = new Buffer(auth, 'base64').toString();
-  auth = auth.match(/^([^:]+):(.*)$/);
+  auth = auth.match(/^([^:]*):(.*)$/);
   if (!auth) return;
 
   return { name: auth[1], pass: auth[2] };
-};
+};

test/index.js

@@ -44,4 +44,18 @@ describe('auth(req)', function(){
       auth(req).should.eql({ name: 'foo', pass: ''});
     })
   })
+
+  describe('with empty userid', function(){
+    it('should return .user and .pass', function(){
+      var req = request('basic ' + new Buffer(':pass').toString('base64'));
+      auth(req).should.eql({ name: '', pass: 'pass'});
+    })
+  })
+
+  describe('with empty userid and pass', function(){
+    it('should return .user and .pass', function(){
+      var req = request('basic ' + new Buffer(':').toString('base64'));
+      auth(req).should.eql({ name: '', pass: ''});
+    })
+  })
 })