Persist prompt/block download limiter state on renderer-initiated loads.

chrome/browser/download/download_request_limiter_unittest.cc

 // Copyright (c) 2012 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 "chrome/browser/download/download_request_limiter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/frame_navigate_params.h"
+#include "content/public/test/web_contents_tester.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/download/download_request_infobar_delegate_android.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #else
 #include "chrome/browser/download/download_permission_request.h"
 #include "chrome/browser/ui/website_settings/mock_permission_bubble_factory.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
 #endif
@@ skipping 198 matching lines @@
   }
 
   void LoadCompleted() { testing_delegate_.LoadCompleted(web_contents()); }
 
   int AskAllowCount() { return testing_delegate_.AllowCount(); }
 
   void UpdateExpectations(TestingAction action) {
     testing_delegate_.UpdateExpectations(action);
   }
 
+  void NavigateAndCommitWithParams(
+      content::NavigationController::LoadURLParams& params) {
+    controller().LoadURLWithParams(params);
+    content::WebContentsTester::For(web_contents())->CommitPendingNavigation();
+  }
+
   scoped_refptr<DownloadRequestLimiter> download_request_limiter_;
 
   // Number of times ContinueDownload was invoked.
   int continue_count_;
 
   // Number of times CancelDownload was invoked.
   int cancel_count_;
 
   scoped_refptr<HostContentSettingsMap> content_settings_;
   TestingDelegate testing_delegate_;
@@ skipping 65 matching lines @@
   OnUserInteraction(blink::WebInputEvent::RawKeyDown);
   ASSERT_EQ(DownloadRequestLimiter::ALLOW_ALL_DOWNLOADS,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
   // Navigate to a completely different host, which should reset the state.
   NavigateAndCommit(GURL("http://fooey.com"));
   LoadCompleted();
   ASSERT_EQ(DownloadRequestLimiter::ALLOW_ONE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
-  // Do two downloads, allowing the second so that we end up with allow all.
+  // Do two downloads, blocking the second so that we end up with downloads not
+  // allowed.
   CanDownload();
   ExpectAndResetCounts(1, 0, 0, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
   UpdateExpectations(CANCEL);
   CanDownload();
   ExpectAndResetCounts(0, 1, 1, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
   // Navigate to a new URL with the same host, which shouldn't reset the allow
   // all state.
   NavigateAndCommit(GURL("http://fooey.com/bar2"));
   LoadCompleted();
   CanDownload();
   ExpectAndResetCounts(0, 1, 0, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 }
 
+TEST_F(DownloadRequestLimiterTest, DownloadRequestLimiter_RendererInitiated) {

[asanka, 2016/05/19 02:18:30]

Could you add a test for navigation in an iframe?

[dominickn, 2016/05/19 07:25:45]

Done.

+  NavigateAndCommit(GURL("http://foo.com/bar"));
+  LoadCompleted();
+
+  // Do one download so we end up in PROMPT.
+  CanDownload();
+  ExpectAndResetCounts(1, 0, 0, __LINE__);
+  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // Set up a renderer-initiated navigation to the same host.
+  content::NavigationController::LoadURLParams load_params(
+      GURL("http://foo.com/bar2"));
+  load_params.is_renderer_initiated = true;
+  load_params.transition_type = ui::PAGE_TRANSITION_GENERATED;
+  load_params.referrer = content::Referrer();
+  NavigateAndCommitWithParams(load_params);
+  LoadCompleted();
+
+  // The state should not be reset.
+  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // Renderer-initiated nav to a different host shouldn't reset the state.
+  load_params.url = GURL("http://fooey.com/bar");
+  NavigateAndCommitWithParams(load_params);
+  LoadCompleted();
+  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // Set up a blocked state.
+  UpdateExpectations(CANCEL);
+  CanDownload();
+  ExpectAndResetCounts(0, 1, 1, __LINE__);
+  ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // The state should not be reset on a renderer-initiated load to either the
+  // same host or a different host.
+  load_params.url = GURL("http://fooeybar.com/bar");
+  NavigateAndCommitWithParams(load_params);
+  LoadCompleted();
+  ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  load_params.url = GURL("http://foo.com/bar");
+  NavigateAndCommitWithParams(load_params);
+  LoadCompleted();
+  ASSERT_EQ(DownloadRequestLimiter::DOWNLOADS_NOT_ALLOWED,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // Browser-initiated navigation to a different host, which should reset the
+  // state.
+  NavigateAndCommit(GURL("http://foobar.com"));
+  LoadCompleted();
+  ASSERT_EQ(DownloadRequestLimiter::ALLOW_ONE_DOWNLOAD,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // Set up an allow all state.
+  CanDownload();
+  ExpectAndResetCounts(1, 0, 0, __LINE__);
+  ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  UpdateExpectations(ACCEPT);
+  CanDownload();
+  ExpectAndResetCounts(1, 0, 1, __LINE__);
+  ASSERT_EQ(DownloadRequestLimiter::ALLOW_ALL_DOWNLOADS,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // The state should not be reset on a pending renderer-initiated load to
+  // the same host.
+  load_params.url = GURL("http://foobar.com/bar");
+  NavigateAndCommitWithParams(load_params);
+  LoadCompleted();
+  ASSERT_EQ(DownloadRequestLimiter::ALLOW_ALL_DOWNLOADS,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+
+  // But a pending load to a different host should reset the state.
+  load_params.url = GURL("http://foo.com");
+  NavigateAndCommitWithParams(load_params);
+  LoadCompleted();
+  ASSERT_EQ(DownloadRequestLimiter::ALLOW_ONE_DOWNLOAD,
+            download_request_limiter_->GetDownloadStatus(web_contents()));
+}
+
 TEST_F(DownloadRequestLimiterTest, DownloadRequestLimiter_ResetOnUserGesture) {
   NavigateAndCommit(GURL("http://foo.com/bar"));
   LoadCompleted();
 
   // Do one download, which should change to prompt before download.
   CanDownload();
   ExpectAndResetCounts(1, 0, 0, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 
@@ skipping 225 matching lines @@
   // changing the content setting).
   UpdateContentSettings(web_contents(), CONTENT_SETTING_ASK);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
   UpdateExpectations(WAIT);
   CanDownload();
   ExpectAndResetCounts(0, 0, 1, __LINE__);
   ASSERT_EQ(DownloadRequestLimiter::PROMPT_BEFORE_DOWNLOAD,
             download_request_limiter_->GetDownloadStatus(web_contents()));
 }