[GCM] Only allow the senders that the application is currently registered for

chrome/browser/services/gcm/gcm_profile_service_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 975 matching lines @@
   EXPECT_EQ(FakeGCMEventRouter::SEND_ERROR_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer()->gcm_event_router()->app_id());
   EXPECT_EQ(consumer()->send_message_id(),
             consumer()->gcm_event_router()->send_message_id());
   EXPECT_NE(GCMClient::SUCCESS,
             consumer()->gcm_event_router()->send_result());
 }
 
 TEST_F(GCMProfileServiceSingleProfileTest, MessageReceived) {
+  consumer()->Register(kTestingAppId, "sender");
+  WaitUntilCompleted();
   GCMClient::IncomingMessage message;
   message.data["key1"] = "value1";
   message.data["key2"] = "value2";
+  message.sender_id = "sender";
   consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, message);
   WaitUntilCompleted();
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer()->gcm_event_router()->app_id());
   EXPECT_TRUE(message.data == consumer()->gcm_event_router()->message().data);
   EXPECT_TRUE(consumer()->gcm_event_router()->message().collapse_key.empty());
+  EXPECT_EQ(message.sender_id,
+            consumer()->gcm_event_router()->message().sender_id);
 }
 
 TEST_F(GCMProfileServiceSingleProfileTest, MessageWithCollapseKeyReceived) {
+  consumer()->Register(kTestingAppId, "sender");
+  WaitUntilCompleted();
   GCMClient::IncomingMessage message;
   message.data["key1"] = "value1";
   message.collapse_key = "collapse_key_value";
+  message.sender_id = "sender";
   consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, message);
   WaitUntilCompleted();
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer()->gcm_event_router()->app_id());
   EXPECT_TRUE(message.data == consumer()->gcm_event_router()->message().data);
   EXPECT_EQ(message.collapse_key,
             consumer()->gcm_event_router()->message().collapse_key);
+  EXPECT_EQ(message.sender_id,
+            consumer()->gcm_event_router()->message().sender_id);
+}
+
+TEST_F(GCMProfileServiceSingleProfileTest,
+       MessageNotReceivedFromNotRegisteredSender) {
+  // Explicitly not registering the sender here, so that message gets dropped.
+  GCMClient::IncomingMessage message;
+  message.data["key1"] = "value1";
+  message.data["key2"] = "value2";
+  message.sender_id = "sender";
+  consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, message);
+  PumpUILoop();
+  EXPECT_EQ(FakeGCMEventRouter::NO_EVENT,
+            consumer()->gcm_event_router()->received_event());
+  consumer()->gcm_event_router()->clear_results();
+
+  // Register for the sedner and try to receive the message again, which should
+  // work with no problems.
+  consumer()->Register(kTestingAppId, "sender");
+  WaitUntilCompleted();
+  consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, message);
+  WaitUntilCompleted();
+  EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
+            consumer()->gcm_event_router()->received_event());
+  consumer()->gcm_event_router()->clear_results();
+
+  // Register for a different sender and try to receive the message again from
+  // the old sender, which again should not create an event.
+  consumer()->Register(kTestingAppId, "sender2");
+  WaitUntilCompleted();
+  consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, message);
+  PumpUILoop();
+  EXPECT_EQ(FakeGCMEventRouter::NO_EVENT,
+            consumer()->gcm_event_router()->received_event());
 }
 
 TEST_F(GCMProfileServiceSingleProfileTest, MessagesDeleted) {
   consumer()->GetGCMClient()->DeleteMessages(kTestingAppId);
   WaitUntilCompleted();
   EXPECT_EQ(FakeGCMEventRouter::MESSAGES_DELETED_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer()->gcm_event_router()->app_id());
 }
 
@@ skipping 91 matching lines @@
   message3.data["hello"] = "world";
   consumer2()->Send(kTestingAppId2, kUserId, message3);
 
   WaitUntilCompleted();
 
   EXPECT_EQ(consumer2()->send_message_id(), message3.id);
   EXPECT_EQ(GCMClient::SUCCESS, consumer()->send_result());
 }
 
 TEST_F(GCMProfileServiceMultiProfileTest, MessageReceived) {
+  consumer()->Register(kTestingAppId, "sender");
+  consumer2()->Register(kTestingAppId, "sender");
+  consumer2()->Register(kTestingAppId2, "sender2");
+  WaitUntilCompleted();
+  WaitUntilCompleted();
+  WaitUntilCompleted();
+
   // Trigger an incoming message for an app in one profile.
   GCMClient::IncomingMessage message;
   message.data["key1"] = "value1";
   message.data["key2"] = "value2";
+  message.sender_id = "sender";
   consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, message);
 
   // Trigger an incoming message for the same app in another profile.
   GCMClient::IncomingMessage message2;
   message2.data["foo"] = "bar";
+  message2.sender_id = "sender";
   consumer2()->GetGCMClient()->ReceiveMessage(kTestingAppId, message2);
 
   WaitUntilCompleted();
   WaitUntilCompleted();
 
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer()->gcm_event_router()->app_id());
   EXPECT_TRUE(message.data == consumer()->gcm_event_router()->message().data);
+  EXPECT_EQ("sender", consumer()->gcm_event_router()->message().sender_id);
 
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer2()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer2()->gcm_event_router()->app_id());
   EXPECT_TRUE(message2.data == consumer2()->gcm_event_router()->message().data);
+  EXPECT_EQ("sender", consumer2()->gcm_event_router()->message().sender_id);
 
   // Trigger another incoming message for a different app in another profile.
   GCMClient::IncomingMessage message3;
   message3.data["bar1"] = "foo1";
   message3.data["bar2"] = "foo2";
+  message3.sender_id = "sender2";
   consumer2()->GetGCMClient()->ReceiveMessage(kTestingAppId2, message3);
 
   WaitUntilCompleted();
 
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer2()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId2, consumer2()->gcm_event_router()->app_id());
   EXPECT_TRUE(message3.data == consumer2()->gcm_event_router()->message().data);
+  EXPECT_EQ("sender2", consumer2()->gcm_event_router()->message().sender_id);
 }
 
 // Test a set of GCM operations on multiple profiles.
 // 1) Register 1 app in profile1 and register 2 apps in profile2;
 // 2) Send a message from profile1;
 // 3) Receive a message to an app in profile1 and receive a message for each of
 //    two apps in profile2;
 // 4) Send a message foe ach of two apps in profile2;
 // 5) Sign out of profile1.
 // 6) Register/send stops working for profile1;
@@ skipping 31 matching lines @@
 
   WaitUntilCompleted();
 
   EXPECT_EQ(consumer()->send_message_id(), out_message.id);
   EXPECT_EQ(GCMClient::SUCCESS, consumer()->send_result());
 
   // Trigger an incoming message for an app in one profile.
   GCMClient::IncomingMessage in_message;
   in_message.data["in1"] = "in_data1";
   in_message.data["in1_2"] = "in_data1_2";
+  in_message.sender_id = "sender1";
   consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, in_message);
 
   WaitUntilCompleted();
 
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer()->gcm_event_router()->app_id());
   EXPECT_TRUE(
       in_message.data == consumer()->gcm_event_router()->message().data);
 
   // Trigger 2 incoming messages, one for each app respectively, in another
   // profile.
   GCMClient::IncomingMessage in_message2;
   in_message2.data["in2"] = "in_data2";
+  in_message2.sender_id = "sender3";
   consumer2()->GetGCMClient()->ReceiveMessage(kTestingAppId2, in_message2);
 
   GCMClient::IncomingMessage in_message3;
   in_message3.data["in3"] = "in_data3";
   in_message3.data["in3_2"] = "in_data3_2";
+  in_message3.sender_id = "sender2";
   consumer2()->GetGCMClient()->ReceiveMessage(kTestingAppId, in_message3);
 
   consumer2()->gcm_event_router()->clear_results();
   WaitUntilCompleted();
 
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer2()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId2, consumer2()->gcm_event_router()->app_id());
   EXPECT_TRUE(
       in_message2.data == consumer2()->gcm_event_router()->message().data);
@@ skipping 68 matching lines @@
             consumer2()->gcm_event_router()->received_event());
   EXPECT_EQ(kTestingAppId, consumer2()->gcm_event_router()->app_id());
   EXPECT_EQ(consumer2()->send_message_id(),
             consumer2()->gcm_event_router()->send_message_id());
   EXPECT_NE(GCMClient::SUCCESS,
             consumer2()->gcm_event_router()->send_result());
 
   // Sign in with a different user.
   consumer()->SignIn(kTestingUsername3);
 
+  // Signing out cleared all registrations so we need to register again.
+  consumer()->Register(kTestingAppId, "sender1");
+  WaitUntilCompleted();
+
   // Incoming message will go through for the new signed-in user.
   GCMClient::IncomingMessage in_message5;
   in_message5.data["in5"] = "in_data5";
+  in_message5.sender_id = "sender1";
   consumer()->GetGCMClient()->ReceiveMessage(kTestingAppId, in_message5);
 
   consumer()->gcm_event_router()->clear_results();
   WaitUntilCompleted();
 
   EXPECT_EQ(FakeGCMEventRouter::MESSAGE_EVENT,
             consumer()->gcm_event_router()->received_event());
   EXPECT_TRUE(
       in_message5.data == consumer()->gcm_event_router()->message().data);
 }
 
 }  // namespace gcm