fix cookies' secure detect

lib/application.js

@@ -157,7 +157,10 @@ app.createContext = function(req, res){
   response.request = request;
   context.onerror = context.onerror.bind(context);
   context.originalUrl = request.originalUrl = req.url;
-  context.cookies = new Cookies(req, res, this.keys);
+  context.cookies = new Cookies(req, res, {
+    keys: this.keys,
+    secure: request.secure
+  });
   context.accept = request.accept = accepts(req);
   context.state = {};
   return context;

package.json

@@ -23,7 +23,7 @@
     "composition": "^2.1.1",
     "content-disposition": "~0.5.0",
     "content-type": "^1.0.0",
-    "cookies": "~0.5.0",
+    "cookies": "~0.6.1",
     "debug": "*",
     "delegates": "^1.0.0",
     "destroy": "^1.0.3",

test/context.js

@@ -8,6 +8,8 @@ exports = module.exports = function(req, res){
   var socket = new Stream.Duplex();
   req = req || { headers: {}, socket: socket, __proto__: Stream.Readable.prototype };
   res = res || { _headers: {}, socket: socket, __proto__: Stream.Writable.prototype };
+  req.socket = req.socket || socket;
+  res.socket = res.socket || socket;
   res.getHeader = function(k){ return res._headers[k.toLowerCase()] };
   res.setHeader = function(k, v){ res._headers[k.toLowerCase()] = v };
   res.removeHeader = function(k, v){ delete res._headers[k.toLowerCase()] };

test/context/cookies.js

@@ -80,4 +80,43 @@ describe('ctx.cookies.set()', function(){
       })
     })
   })
+
+  describe('with secure', function(){
+    it('should get secure from request', function(done){
+      var app = koa();
+
+      app.proxy = true;
+      app.keys = ['a', 'b'];
+
+      app.use(function *(next){
+        this.cookies.set('name', 'jon', { signed: true });
+        this.status = 204;
+      })
+
+      var server = app.listen();
+
+      request(server)
+      .get('/')
+      .set('x-forwarded-proto', 'https') // mock secure
+      .expect(204)
+      .end(function(err, res){
+        if (err) return done(err);
+
+        var cookies = res.headers['set-cookie'];
+        cookies.some(function(cookie){
+          return /^name=/.test(cookie);
+        }).should.be.ok;
+
+        cookies.some(function(cookie){
+          return /^name\.sig=/.test(cookie);
+        }).should.be.ok;
+
+        cookies.every(function(cookie){
+          return /secure/.test(cookie);
+        }).should.be.ok;
+
+        done();
+      })
+    })
+  })
 })