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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include <utility>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_refptr.h"
#include "base/run_loop.h"
#include "base/sequence_checker.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "chrome/browser/external_protocol/external_protocol_handler.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "net/test/spawned_test_server/spawned_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace {
// DefaultSchemeClientWorker checks whether the browser is set as the default
// handler for some scheme, and optionally sets the browser as the default
// handler for some scheme. Our fake implementation pretends that the browser is
// not the default handler.
class FakeDefaultSchemeClientWorker
: public shell_integration::DefaultSchemeClientWorker {
public:
explicit FakeDefaultSchemeClientWorker(const GURL& url)
: DefaultSchemeClientWorker(url) {}
FakeDefaultSchemeClientWorker(const FakeDefaultSchemeClientWorker&) = delete;
FakeDefaultSchemeClientWorker& operator=(
const FakeDefaultSchemeClientWorker&) = delete;
private:
~FakeDefaultSchemeClientWorker() override = default;
shell_integration::DefaultWebClientState CheckIsDefaultImpl() override {
return shell_integration::DefaultWebClientState::NOT_DEFAULT;
}
std::u16string GetDefaultClientNameImpl() override { return u"TestApp"; }
void SetAsDefaultImpl(base::OnceClosure on_finished_callback) override {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(on_finished_callback));
}
};
// Used during testing to intercept invocations of external protocol handlers.
class FakeProtocolHandlerDelegate : public ExternalProtocolHandler::Delegate {
public:
FakeProtocolHandlerDelegate() = default;
FakeProtocolHandlerDelegate(const FakeProtocolHandlerDelegate&) = delete;
FakeProtocolHandlerDelegate& operator=(const FakeProtocolHandlerDelegate&) =
delete;
const GURL& WaitForUrl() {
run_loop_.Run();
return url_invoked_;
}
private:
scoped_refptr<shell_integration::DefaultSchemeClientWorker> CreateShellWorker(
const GURL& url) override {
return base::MakeRefCounted<FakeDefaultSchemeClientWorker>(url);
}
ExternalProtocolHandler::BlockState GetBlockState(const std::string& scheme,
Profile* profile) override {
return ExternalProtocolHandler::BlockState::DONT_BLOCK;
}
void BlockRequest() override { NOTREACHED(); }
void RunExternalProtocolDialog(
const GURL& url,
content::WebContents* web_contents,
ui::PageTransition page_transition,
bool has_user_gesture,
const std::optional<url::Origin>& initiating_origin,
const std::u16string& program_name) override {
NOTREACHED();
}
void LaunchUrlWithoutSecurityCheck(
const GURL& url,
content::WebContents* web_contents) override {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
EXPECT_TRUE(url_invoked_.is_empty());
url_invoked_ = url;
run_loop_.Quit();
}
void FinishedProcessingCheck() override {}
GURL url_invoked_;
base::RunLoop run_loop_;
SEQUENCE_CHECKER(sequence_checker_);
};
// Navigates to the |target_url| and waits until that same URL is observed at
// the ExternalProtocolHandler.
void InvokeUrlAndWaitForExternalHandler(Browser* browser, GURL target_url) {
FakeProtocolHandlerDelegate external_handler_delegate;
ExternalProtocolHandler::SetDelegateForTesting(&external_handler_delegate);
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser, target_url));
auto actual_url = external_handler_delegate.WaitForUrl();
EXPECT_EQ(target_url, actual_url);
ExternalProtocolHandler::SetDelegateForTesting(nullptr);
}
} // namespace
// TODO(mmenke): Should these be merged into
// chrome/browser/external_porotocol_handler_browsertest.cc?
using ExternalProtocolBrowserTest = InProcessBrowserTest;
// Ensure that ftp:// URLs are passed through to the external protocol handler.
IN_PROC_BROWSER_TEST_F(ExternalProtocolBrowserTest, ExternalProtocolHandler) {
// If this test fails, then the issue is with the external protocol handler
// mechanism as configured by //chrome. This test must pass for the test below
// it to be valid.
InvokeUrlAndWaitForExternalHandler(browser(), GURL("example-not-real:foo"));
InvokeUrlAndWaitForExternalHandler(browser(), GURL("gopher://foo.example"));
// And now with an ftp:// URL.
InvokeUrlAndWaitForExternalHandler(browser(),
GURL("ftp://example.com/foo/bar"));
}
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