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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/files/file_util.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "content/browser/devtools/protocol/devtools_network_resource_loader.h"
#include "content/browser/loader/url_loader_factory_utils.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/url_loader_factory_params_helper.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_paths.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/test_utils.h"
#include "content/public/test/url_loader_interceptor.h"
#include "content/public/test/url_loader_monitor.h"
#include "content/shell/browser/shell.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/features.h"
#include "net/base/network_isolation_key.h"
#include "net/cookies/cookie_setting_override.h"
#include "net/cookies/site_for_cookies.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "services/network/public/cpp/resource_request.h"
#include "testing/gmock/include/gmock/gmock-matchers.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
class DevtoolsNetworkResourceLoaderTest : public ContentBrowserTest {
public:
DevtoolsNetworkResourceLoaderTest() = default;
// ContentBrowserTest implementation:
void SetUpOnMainThread() override {
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(embedded_test_server()->Start());
const GURL url1 = embedded_test_server()->GetURL("a.com", "/title1.html");
EXPECT_TRUE(NavigateToURL(web_contents(), url1));
EXPECT_TRUE(WaitForLoadStop(web_contents()));
base::FilePath test_source_map_path;
base::PathService::Get(content::DIR_TEST_DATA, &test_source_map_path);
test_source_map_path =
test_source_map_path.AppendASCII("devtools").AppendASCII("source.map");
base::ReadFileToString(test_source_map_path, &source_map_contents_);
}
const std::string& source_map_contents() { return source_map_contents_; }
WebContentsImpl* web_contents() const {
return static_cast<WebContentsImpl*>(shell()->web_contents());
}
RenderFrameHostImpl* current_frame_host() {
return web_contents()->GetPrimaryFrameTree().root()->current_frame_host();
}
mojo::Remote<network::mojom::URLLoaderFactory> CreateURLLoaderFactory() {
auto* frame = current_frame_host();
auto params = URLLoaderFactoryParamsHelper::CreateForFrame(
frame, frame->GetLastCommittedOrigin(),
frame->GetIsolationInfoForSubresources(),
frame->BuildClientSecurityState(),
/*coep_reporter=*/mojo::NullRemote(),
/*dip_reporter=*/mojo::NullRemote(), frame->GetProcess(),
network::mojom::TrustTokenOperationPolicyVerdict::kForbid,
network::mojom::TrustTokenOperationPolicyVerdict::kForbid,
net::CookieSettingOverrides(), "DevtoolsNetworkResourceLoaderTest");
// Let DevTools fetch resources without CORS and ORB. Source maps are valid
// JSON and would otherwise require a CORS fetch + correct response headers.
// See BUG(chromium:1076435) for more context.
params->is_orb_enabled = false;
return mojo::Remote<network::mojom::URLLoaderFactory>(
url_loader_factory::CreatePendingRemote(
ContentBrowserClient::URLLoaderFactoryType::kDevTools,
url_loader_factory::TerminalParams::ForNetworkContext(
current_frame_host()
->GetProcess()
->GetStoragePartition()
->GetNetworkContext(),
std::move(params))));
}
// Repeats |number_of_error_A| times |error_A|, then continues with |error_B|.
static std::unique_ptr<content::URLLoaderInterceptor> SetupRequestFailForURL(
const GURL& url,
net::Error error) {
return std::make_unique<content::URLLoaderInterceptor>(
base::BindLambdaForTesting(
[error,
&url](content::URLLoaderInterceptor::RequestParams* params) {
if (params->url_request.url != url) {
return false;
}
params->client->OnComplete(
network::URLLoaderCompletionStatus(error));
return true;
}));
}
static void CheckSuccess(DevtoolsNetworkResourceLoaderTest* test,
base::RunLoop* run_loop,
protocol::DevToolsNetworkResourceLoader* loader,
const net::HttpResponseHeaders* rh,
bool success,
int net_error,
std::string content) {
EXPECT_TRUE(success);
EXPECT_EQ(net_error, net::OK);
ASSERT_TRUE(rh);
EXPECT_EQ(rh->response_code(), 200);
EXPECT_EQ(content, test->source_map_contents());
size_t iterator = 0;
std::string name, value;
EXPECT_FALSE(rh->EnumerateHeaderLines(&iterator, &name, &value));
run_loop->Quit();
}
std::unique_ptr<protocol::DevToolsNetworkResourceLoader> CreateLoader(
GURL url,
protocol::DevToolsNetworkResourceLoader::Caching caching,
protocol::DevToolsNetworkResourceLoader::CompletionCallback callback) {
return protocol::DevToolsNetworkResourceLoader::Create(
CreateURLLoaderFactory(), std::move(url),
current_frame_host()->GetLastCommittedOrigin(),
current_frame_host()->ComputeSiteForCookies(), caching,
protocol::DevToolsNetworkResourceLoader::Credentials::kInclude,
std::move(callback));
}
protected:
void SetUpCommandLine(base::CommandLine* command_line) override {
IsolateAllSitesForTesting(command_line);
}
private:
base::test::ScopedFeatureList feature_list_;
std::string source_map_contents_;
};
// Tests that basic download works.
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest, BasicDownload) {
base::RunLoop run_loop;
const GURL source_map_url(
embedded_test_server()->GetURL("a.com", "/devtools/source.map"));
auto loader =
CreateLoader(source_map_url,
protocol::DevToolsNetworkResourceLoader::Caching::kDefault,
base::BindOnce(CheckSuccess, this, &run_loop));
run_loop.Run();
}
// This test is fetching a source map from a cross-origin URL. While the fetch
// isn't a CORS fetch, the source map is JSON, so this tests that ORB is
// disabled.
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest,
BasicDownloadCrossOrigin) {
base::RunLoop run_loop;
const GURL source_map_url(
embedded_test_server()->GetURL("b.com", "/devtools/source.map"));
auto loader =
CreateLoader(source_map_url,
protocol::DevToolsNetworkResourceLoader::Caching::kDefault,
base::BindOnce(CheckSuccess, this, &run_loop));
run_loop.Run();
}
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest,
BasicDownloadCrossOriginNoCache) {
base::RunLoop run_loop;
const GURL source_map_url(
embedded_test_server()->GetURL("b.com", "/devtools/source.map"));
URLLoaderMonitor monitor({source_map_url});
auto loader = CreateLoader(
source_map_url, protocol::DevToolsNetworkResourceLoader::Caching::kBypass,
base::BindOnce(CheckSuccess, this, &run_loop));
run_loop.Run();
std::optional<network::ResourceRequest> request =
monitor.GetRequestInfo(source_map_url);
EXPECT_TRUE(request->load_flags & net::LOAD_BYPASS_CACHE);
}
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest,
BasicDownloadCacheControl) {
base::RunLoop run_loop;
const GURL source_map_url(
embedded_test_server()->GetURL("a.com", "/echoheader?Cache-Control"));
auto complete_callback = base::BindOnce(
[](base::RunLoop* run_loop,
protocol::DevToolsNetworkResourceLoader* loader,
const net::HttpResponseHeaders* rh, bool success, int net_error,
std::string content) {
EXPECT_TRUE(success);
EXPECT_EQ(net_error, net::OK);
EXPECT_EQ(rh->response_code(), 200);
EXPECT_EQ(content, "no-cache");
// Not asserting headers for echoheader response.
run_loop->Quit();
},
&run_loop);
auto loader = CreateLoader(
source_map_url, protocol::DevToolsNetworkResourceLoader::Caching::kBypass,
std::move(complete_callback));
run_loop.Run();
}
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest, HTTPError404) {
base::RunLoop run_loop;
const GURL source_map_url(embedded_test_server()->GetURL("/page404.html"));
auto complete_callback = base::BindOnce(
[](base::RunLoop* run_loop,
protocol::DevToolsNetworkResourceLoader* loader,
const net::HttpResponseHeaders* rh, bool success, int net_error,
std::string content) {
EXPECT_FALSE(success);
ASSERT_EQ(net_error, net::ERR_HTTP_RESPONSE_CODE_FAILURE);
EXPECT_EQ(rh->response_code(), 404);
EXPECT_EQ(content, "");
size_t iterator = 0;
std::string name, value;
EXPECT_TRUE(rh->EnumerateHeaderLines(&iterator, &name, &value));
EXPECT_EQ(name, "Content-type");
EXPECT_EQ(value, "text/html");
EXPECT_FALSE(rh->EnumerateHeaderLines(&iterator, &name, &value));
run_loop->Quit();
},
&run_loop);
auto loader = CreateLoader(
source_map_url, protocol::DevToolsNetworkResourceLoader::Caching::kBypass,
std::move(complete_callback));
run_loop.Run();
}
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest, GenericFailure) {
const GURL source_map_url(
embedded_test_server()->GetURL("a.com", "/devtools/source.map"));
auto interceptor = SetupRequestFailForURL(source_map_url, net::ERR_FAILED);
base::RunLoop run_loop;
auto complete_callback = base::BindOnce(
[](base::RunLoop* run_loop,
protocol::DevToolsNetworkResourceLoader* loader,
const net::HttpResponseHeaders* rh, bool success, int net_error,
std::string content) {
EXPECT_FALSE(success);
EXPECT_EQ(net_error, net::ERR_FAILED);
EXPECT_EQ(content, "");
EXPECT_FALSE(rh);
run_loop->Quit();
},
&run_loop);
auto loader = CreateLoader(
source_map_url, protocol::DevToolsNetworkResourceLoader::Caching::kBypass,
std::move(complete_callback));
run_loop.Run();
}
IN_PROC_BROWSER_TEST_F(DevtoolsNetworkResourceLoaderTest,
BasicDownloadRequestParams) {
RenderFrameHostImpl* frame = current_frame_host();
const GURL source_map_url(
embedded_test_server()->GetURL("a.com", "/devtools/source.map"));
URLLoaderMonitor monitor({source_map_url});
base::RunLoop run_loop;
auto loader =
CreateLoader(source_map_url,
protocol::DevToolsNetworkResourceLoader::Caching::kDefault,
base::BindOnce(CheckSuccess, this, &run_loop));
run_loop.Run();
std::optional<network::ResourceRequest> request =
monitor.GetRequestInfo(source_map_url);
EXPECT_TRUE(
frame->ComputeSiteForCookies().IsEquivalent(request->site_for_cookies));
EXPECT_EQ(frame->GetLastCommittedOrigin(), request->request_initiator);
EXPECT_FALSE(request->load_flags & net::LOAD_BYPASS_CACHE);
}
} // namespace content
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