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Add a NavigationThrottle to intercept specific URL requests and open Leo
Also adds ValidateOpenLeoButtonNonce in PageContentFetcher
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238 changes: 238 additions & 0 deletions
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browser/ai_chat/ai_chat_brave_search_throttle_browsertest.cc
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| /* Copyright (c) 2024 The Brave Authors. All rights reserved. | ||
| * This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| * You can obtain one at https://mozilla.org/MPL/2.0/. */ | ||
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| #include "brave/components/ai_chat/content/browser/ai_chat_brave_search_throttle.h" | ||
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| #include <memory> | ||
| #include <string> | ||
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| #include "base/files/file_path.h" | ||
| #include "base/location.h" | ||
| #include "base/path_service.h" | ||
| #include "base/strings/string_util.h" | ||
| #include "brave/browser/ui/brave_browser.h" | ||
| #include "brave/browser/ui/sidebar/sidebar_controller.h" | ||
| #include "brave/browser/ui/sidebar/sidebar_model.h" | ||
| #include "brave/components/constants/brave_paths.h" | ||
| #include "chrome/browser/ui/browser.h" | ||
| #include "chrome/test/base/in_process_browser_test.h" | ||
| #include "components/permissions/permission_request_manager.h" | ||
| #include "components/permissions/test/mock_permission_prompt_factory.h" | ||
| #include "content/public/test/browser_test.h" | ||
| #include "content/public/test/browser_test_utils.h" | ||
| #include "content/public/test/content_mock_cert_verifier.h" | ||
| #include "content/public/test/test_navigation_observer.h" | ||
| #include "content/public/test/test_utils.h" | ||
| #include "net/base/net_errors.h" | ||
| #include "net/dns/mock_host_resolver.h" | ||
| #include "net/test/embedded_test_server/embedded_test_server.h" | ||
| #include "testing/gtest/include/gtest/gtest.h" | ||
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| namespace { | ||
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| constexpr char kBraveSearchHost[] = "search.brave.com"; | ||
| constexpr char kLeoPath[] = "/leo"; | ||
| constexpr char kOpenLeoButtonValidPath[] = "/open_leo_button_valid.html"; | ||
| constexpr char kOpenLeoButtonInvalidPath[] = "/open_leo_button_invalid.html"; | ||
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| } // namespace | ||
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| class AIChatBraveSearchThrottleBrowserTest : public InProcessBrowserTest { | ||
| public: | ||
| AIChatBraveSearchThrottleBrowserTest() | ||
| : https_server_(net::EmbeddedTestServer::TYPE_HTTPS) {} | ||
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| void SetUpOnMainThread() override { | ||
| InProcessBrowserTest::SetUpOnMainThread(); | ||
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| mock_cert_verifier_.mock_cert_verifier()->set_default_result(net::OK); | ||
| host_resolver()->AddRule("*", "127.0.0.1"); | ||
| content::SetupCrossSiteRedirector(&https_server_); | ||
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| base::FilePath test_data_dir = | ||
| base::PathService::CheckedGet(brave::DIR_TEST_DATA); | ||
| test_data_dir = test_data_dir.AppendASCII("leo"); | ||
| https_server_.ServeFilesFromDirectory(test_data_dir); | ||
| ASSERT_TRUE(https_server_.Start()); | ||
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| permissions::PermissionRequestManager* manager = | ||
| permissions::PermissionRequestManager::FromWebContents( | ||
| GetActiveWebContents()); | ||
| prompt_factory_ = | ||
| std::make_unique<permissions::MockPermissionPromptFactory>(manager); | ||
| } | ||
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| void TearDownOnMainThread() override { | ||
| prompt_factory_.reset(); | ||
| InProcessBrowserTest::TearDownOnMainThread(); | ||
| } | ||
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| void SetUpCommandLine(base::CommandLine* command_line) override { | ||
| InProcessBrowserTest::SetUpCommandLine(command_line); | ||
| mock_cert_verifier_.SetUpCommandLine(command_line); | ||
| } | ||
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| void SetUpInProcessBrowserTestFixture() override { | ||
| InProcessBrowserTest::SetUpInProcessBrowserTestFixture(); | ||
| mock_cert_verifier_.SetUpInProcessBrowserTestFixture(); | ||
| } | ||
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| void TearDownInProcessBrowserTestFixture() override { | ||
| mock_cert_verifier_.TearDownInProcessBrowserTestFixture(); | ||
| InProcessBrowserTest::TearDownInProcessBrowserTestFixture(); | ||
| } | ||
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| content::WebContents* GetActiveWebContents() { | ||
| return browser()->tab_strip_model()->GetActiveWebContents(); | ||
| } | ||
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| void ClickOpenLeoButton() { | ||
| // Modify the href to have test server port. | ||
| std::string script = R"( | ||
| var link = document.getElementById('continue-with-leo') | ||
| var url = new URL(link.href) | ||
| url.port = '$1' | ||
| link.href = url.href | ||
| link.click() | ||
| )"; | ||
| std::string port = base::NumberToString(https_server_.port()); | ||
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| ASSERT_TRUE(content::ExecJs( | ||
| GetActiveWebContents()->GetPrimaryMainFrame(), | ||
| base::ReplaceStringPlaceholders(script, {port}, nullptr))); | ||
| } | ||
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| bool IsLeoOpened() { | ||
| sidebar::SidebarController* controller = | ||
| static_cast<BraveBrowser*>(browser())->sidebar_controller(); | ||
| auto index = controller->model()->GetIndexOf( | ||
| sidebar::SidebarItem::BuiltInItemType::kChatUI); | ||
| return index.has_value() && controller->IsActiveIndex(index); | ||
| } | ||
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| void CloseLeoPanel(const base::Location& location) { | ||
| SCOPED_TRACE(testing::Message() << location.ToString()); | ||
| sidebar::SidebarController* controller = | ||
| static_cast<BraveBrowser*>(browser())->sidebar_controller(); | ||
| controller->DeactivateCurrentPanel(); | ||
| ASSERT_FALSE(IsLeoOpened()); | ||
| } | ||
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| void NavigateToTestPage(const base::Location& location, | ||
| const std::string& host, | ||
| const std::string& path, | ||
| int expected_prompt_count) { | ||
| SCOPED_TRACE(testing::Message() << location.ToString()); | ||
| ASSERT_TRUE(content::NavigateToURL(GetActiveWebContents(), | ||
| https_server_.GetURL(host, path))); | ||
| EXPECT_FALSE(IsLeoOpened()); | ||
| EXPECT_EQ(expected_prompt_count, prompt_factory_->show_count()); | ||
| } | ||
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| void ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled( | ||
| const base::Location& location, | ||
| int expected_prompt_count, | ||
| bool expected_leo_opened, | ||
| const std::string& expected_last_committed_path = | ||
| kOpenLeoButtonValidPath) { | ||
| SCOPED_TRACE(testing::Message() << location.ToString()); | ||
| content::TestNavigationObserver observer( | ||
| GetActiveWebContents(), net::ERR_ABORTED, | ||
| content::MessageLoopRunner::QuitMode::IMMEDIATE, | ||
| false /* ignore_uncommitted_navigations */); | ||
| ClickOpenLeoButton(); | ||
| observer.Wait(); | ||
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| EXPECT_EQ(IsLeoOpened(), expected_leo_opened); | ||
| EXPECT_EQ(expected_prompt_count, prompt_factory_->show_count()); | ||
| EXPECT_EQ(observer.last_navigation_url().path_piece(), kLeoPath); | ||
| EXPECT_EQ(GetActiveWebContents()->GetLastCommittedURL().path_piece(), | ||
| expected_last_committed_path); | ||
| } | ||
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| protected: | ||
| net::test_server::EmbeddedTestServer https_server_; | ||
| std::unique_ptr<permissions::MockPermissionPromptFactory> prompt_factory_; | ||
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| private: | ||
| content::ContentMockCertVerifier mock_cert_verifier_; | ||
| }; | ||
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| IN_PROC_BROWSER_TEST_F(AIChatBraveSearchThrottleBrowserTest, | ||
| OpenLeo_AskAndAccept) { | ||
| int cur_prompt_count = 0; | ||
| prompt_factory_->set_response_type( | ||
| permissions::PermissionRequestManager::ACCEPT_ALL); | ||
| NavigateToTestPage(FROM_HERE, kBraveSearchHost, kOpenLeoButtonValidPath, | ||
| cur_prompt_count); | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled(FROM_HERE, | ||
| ++cur_prompt_count, true); | ||
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| CloseLeoPanel(FROM_HERE); | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled(FROM_HERE, | ||
| cur_prompt_count, true); | ||
| } | ||
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| IN_PROC_BROWSER_TEST_F(AIChatBraveSearchThrottleBrowserTest, | ||
| OpenLeo_AskAndDeny) { | ||
| int cur_prompt_count = 0; | ||
| prompt_factory_->set_response_type( | ||
| permissions::PermissionRequestManager::DENY_ALL); | ||
| NavigateToTestPage(FROM_HERE, kBraveSearchHost, kOpenLeoButtonValidPath, | ||
| cur_prompt_count); | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled( | ||
| FROM_HERE, ++cur_prompt_count, false); | ||
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| // Clicking a button again to test no new permission prompt should be shown | ||
| // when the permission setting is denied. | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled(FROM_HERE, | ||
| cur_prompt_count, false); | ||
| } | ||
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| IN_PROC_BROWSER_TEST_F(AIChatBraveSearchThrottleBrowserTest, | ||
| OpenLeo_AskAndDismiss) { | ||
| int cur_prompt_count = 0; | ||
| prompt_factory_->set_response_type( | ||
| permissions::PermissionRequestManager::DISMISS); | ||
| NavigateToTestPage(FROM_HERE, kBraveSearchHost, kOpenLeoButtonValidPath, | ||
| cur_prompt_count); | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled( | ||
| FROM_HERE, ++cur_prompt_count, false); | ||
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| // Click a button again after dismissing the permission, permission prompt | ||
| // should be shown again. | ||
| prompt_factory_->set_response_type( | ||
| permissions::PermissionRequestManager::ACCEPT_ALL); | ||
| NavigateToTestPage(FROM_HERE, kBraveSearchHost, kOpenLeoButtonValidPath, | ||
| cur_prompt_count); | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled(FROM_HERE, | ||
| ++cur_prompt_count, true); | ||
| } | ||
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| IN_PROC_BROWSER_TEST_F(AIChatBraveSearchThrottleBrowserTest, | ||
| OpenLeo_MismatchedNonce) { | ||
| int cur_prompt_count = 0; | ||
| NavigateToTestPage(FROM_HERE, kBraveSearchHost, kOpenLeoButtonInvalidPath, | ||
| cur_prompt_count); | ||
| // No permission prompt should be shown. | ||
| ClickOpenLeoAndCheckLeoOpenedAndNavigationCancelled( | ||
| FROM_HERE, cur_prompt_count, false, kOpenLeoButtonInvalidPath); | ||
| } | ||
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| IN_PROC_BROWSER_TEST_F(AIChatBraveSearchThrottleBrowserTest, | ||
| OpenLeo_NotBraveSearchURL) { | ||
| // The behavior should be the same as without the throttle. | ||
| NavigateToTestPage(FROM_HERE, "brave.com", kOpenLeoButtonValidPath, 0); | ||
| content::TestNavigationObserver observer(GetActiveWebContents()); | ||
| ClickOpenLeoButton(); | ||
| observer.Wait(); | ||
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| EXPECT_FALSE(IsLeoOpened()); | ||
| EXPECT_EQ(0, prompt_factory_->show_count()); | ||
| EXPECT_TRUE(observer.last_navigation_succeeded()); | ||
| EXPECT_EQ(observer.last_navigation_url().path_piece(), kLeoPath); | ||
| EXPECT_EQ(GetActiveWebContents()->GetLastCommittedURL().path_piece(), | ||
| kLeoPath); | ||
| } |
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