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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include "base/scoped_observation.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/scoped_feature_list.h"
#include "components/custom_handlers/protocol_handler.h"
#include "components/custom_handlers/protocol_handler_registry.h"
#include "components/custom_handlers/simple_protocol_handler_registry_factory.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/fenced_frame_test_util.h"
#include "content/shell/browser/shell.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
using content::WebContents;
namespace {
using custom_handlers::ProtocolHandlerRegistry;
class ProtocolHandlerChangeWaiter : public ProtocolHandlerRegistry::Observer {
public:
explicit ProtocolHandlerChangeWaiter(ProtocolHandlerRegistry* registry) {
registry_observation_.Observe(registry);
}
ProtocolHandlerChangeWaiter(const ProtocolHandlerChangeWaiter&) = delete;
ProtocolHandlerChangeWaiter& operator=(const ProtocolHandlerChangeWaiter&) =
delete;
~ProtocolHandlerChangeWaiter() override = default;
void Wait() { run_loop_.Run(); }
// ProtocolHandlerRegistry::Observer:
void OnProtocolHandlerRegistryChanged() override { run_loop_.Quit(); }
private:
base::ScopedObservation<custom_handlers::ProtocolHandlerRegistry,
custom_handlers::ProtocolHandlerRegistry::Observer>
registry_observation_{this};
base::RunLoop run_loop_;
};
} // namespace
namespace custom_handlers {
class RegisterProtocolHandlerBrowserTest : public content::ContentBrowserTest {
public:
RegisterProtocolHandlerBrowserTest() = default;
void SetUpOnMainThread() override {
embedded_test_server()->ServeFilesFromSourceDirectory(
"components/test/data/");
}
void AddProtocolHandler(const std::string& protocol, const GURL& url) {
ProtocolHandler handler =
ProtocolHandler::CreateProtocolHandler(protocol, url);
ProtocolHandlerRegistry* registry =
SimpleProtocolHandlerRegistryFactory::GetForBrowserContext(
browser_context(), true);
// Fake that this registration is happening on profile startup. Otherwise
// it'll try to register with the OS, which causes DCHECKs on Windows when
// running as admin on Windows 7.
registry->SetIsLoading(true);
registry->OnAcceptRegisterProtocolHandler(handler);
registry->SetIsLoading(true);
ASSERT_TRUE(registry->IsHandledProtocol(protocol));
}
void RemoveProtocolHandler(const std::string& protocol, const GURL& url) {
ProtocolHandler handler =
ProtocolHandler::CreateProtocolHandler(protocol, url);
ProtocolHandlerRegistry* registry =
SimpleProtocolHandlerRegistryFactory::GetForBrowserContext(
browser_context(), true);
registry->RemoveHandler(handler);
ASSERT_FALSE(registry->IsHandledProtocol(protocol));
}
content::WebContents* web_contents() { return shell()->web_contents(); }
content::BrowserContext* browser_context() {
return web_contents()->GetBrowserContext();
}
protected:
content::test::FencedFrameTestHelper& fenced_frame_test_helper() {
return fenced_frame_helper_;
}
private:
content::test::FencedFrameTestHelper fenced_frame_helper_;
};
IN_PROC_BROWSER_TEST_F(RegisterProtocolHandlerBrowserTest, CustomHandler) {
ASSERT_TRUE(embedded_test_server()->Start());
GURL handler_url =
embedded_test_server()->GetURL("/custom_handlers/custom_handler.html");
AddProtocolHandler("news", handler_url);
ASSERT_TRUE(NavigateToURL(shell(), GURL("news:test"), handler_url));
ASSERT_EQ(handler_url, web_contents()->GetLastCommittedURL());
// Also check redirects.
GURL redirect_url =
embedded_test_server()->GetURL("/server-redirect?news:test");
ASSERT_TRUE(NavigateToURL(shell(), redirect_url, handler_url));
ASSERT_EQ(handler_url, web_contents()->GetLastCommittedURL());
}
// https://crbug.com/178097: Implement registerProtocolHandler on Android
#if !BUILDFLAG(IS_ANDROID)
IN_PROC_BROWSER_TEST_F(RegisterProtocolHandlerBrowserTest,
IgnoreRequestWithoutUserGesture) {
ASSERT_TRUE(embedded_test_server()->Start());
ASSERT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL("/custom_handlers/title1.html")));
// Ensure the registry is currently empty.
GURL url("web+search:testing");
ProtocolHandlerRegistry* registry =
SimpleProtocolHandlerRegistryFactory::GetForBrowserContext(
browser_context(), true);
ASSERT_EQ(0u, registry->GetHandlersFor(url.scheme()).size());
// Attempt to add an entry.
ProtocolHandlerChangeWaiter waiter(registry);
ASSERT_TRUE(content::ExecJs(web_contents(),
"navigator.registerProtocolHandler('web+"
"search', 'test.html?%s', 'test');",
content::EXECUTE_SCRIPT_NO_USER_GESTURE));
waiter.Wait();
// Verify the registration is ignored if no user gesture involved.
ASSERT_EQ(1u, registry->GetHandlersFor(url.scheme()).size());
ASSERT_FALSE(registry->IsHandledProtocol(url.scheme()));
}
// FencedFrames can not register to handle any protocols.
IN_PROC_BROWSER_TEST_F(RegisterProtocolHandlerBrowserTest, FencedFrame) {
ASSERT_TRUE(embedded_test_server()->Start());
ASSERT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL("/custom_handlers/title1.html")));
// Create a FencedFrame.
content::RenderFrameHost* fenced_frame_host =
fenced_frame_test_helper().CreateFencedFrame(
web_contents()->GetPrimaryMainFrame(),
embedded_test_server()->GetURL("/fenced_frames/title1.html"));
ASSERT_TRUE(fenced_frame_host);
// Ensure the registry is currently empty.
GURL url("web+search:testing");
ProtocolHandlerRegistry* registry =
SimpleProtocolHandlerRegistryFactory::GetForBrowserContext(
browser_context(), true);
ASSERT_EQ(0u, registry->GetHandlersFor(url.scheme()).size());
// Attempt to add an entry.
ProtocolHandlerChangeWaiter waiter(registry);
ASSERT_TRUE(content::ExecJs(fenced_frame_host,
"navigator.registerProtocolHandler('web+"
"search', 'test.html?%s', 'test');"));
waiter.Wait();
// Ensure the registry is still empty.
ASSERT_EQ(0u, registry->GetHandlersFor(url.scheme()).size());
}
#endif
// https://crbug.com/178097: Implement registerProtocolHandler on Android
#if !BUILDFLAG(IS_ANDROID)
class RegisterProtocolHandlerAndServiceWorkerInterceptor
: public RegisterProtocolHandlerBrowserTest {
public:
void SetUpOnMainThread() override {
RegisterProtocolHandlerBrowserTest::SetUpOnMainThread();
ASSERT_TRUE(embedded_test_server()->Start());
// Navigate to the test page.
ASSERT_TRUE(NavigateToURL(
shell(), embedded_test_server()->GetURL(
"/protocol_handler/service_workers/"
"test_protocol_handler_and_service_workers.html")));
}
};
// TODO(crbug.com/1204127): Fix flakiness.
IN_PROC_BROWSER_TEST_F(RegisterProtocolHandlerAndServiceWorkerInterceptor,
DISABLED_RegisterFetchListenerForHTMLHandler) {
// Register a service worker intercepting requests to the HTML handler.
EXPECT_EQ(true,
content::EvalJs(shell(), "registerFetchListenerForHTMLHandler();"));
{
// Register a HTML handler with a user gesture.
ProtocolHandlerRegistry* registry =
SimpleProtocolHandlerRegistryFactory::GetForBrowserContext(
browser_context(), true);
ProtocolHandlerChangeWaiter waiter(registry);
ASSERT_TRUE(content::ExecJs(shell(), "registerHTMLHandler();"));
waiter.Wait();
}
// Verify that a page with the registered scheme is managed by the service
// worker, not the HTML handler.
EXPECT_EQ(true,
content::EvalJs(shell(),
"pageWithCustomSchemeHandledByServiceWorker();"));
}
#endif
} // namespace custom_handlers
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