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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/loader/navigation_url_loader.h"
#include <utility>
#include "base/command_line.h"
#include "base/trace_event/trace_event.h"
#include "content/browser/loader/cached_navigation_url_loader.h"
#include "content/browser/loader/navigation_loader_interceptor.h"
#include "content/browser/loader/navigation_url_loader_factory.h"
#include "content/browser/loader/navigation_url_loader_impl.h"
#include "content/browser/renderer_host/navigation_request_info.h"
#include "content/browser/web_package/prefetched_signed_exchange_cache.h"
#include "content/public/browser/navigation_ui_data.h"
#include "services/network/public/cpp/features.h"
namespace content {
static NavigationURLLoaderFactory* g_loader_factory = nullptr;
// static
std::unique_ptr<NavigationURLLoader> NavigationURLLoader::Create(
BrowserContext* browser_context,
StoragePartition* storage_partition,
std::unique_ptr<NavigationRequestInfo> request_info,
std::unique_ptr<NavigationUIData> navigation_ui_data,
ServiceWorkerMainResourceHandle* service_worker_handle,
scoped_refptr<PrefetchedSignedExchangeCache>
prefetched_signed_exchange_cache,
NavigationURLLoaderDelegate* delegate,
LoaderType loader_type,
mojo::PendingRemote<network::mojom::CookieAccessObserver> cookie_observer,
mojo::PendingRemote<network::mojom::TrustTokenAccessObserver>
trust_token_observer,
mojo::PendingRemote<network::mojom::SharedDictionaryAccessObserver>
shared_dictionary_observer,
mojo::PendingRemote<network::mojom::URLLoaderNetworkServiceObserver>
url_loader_network_observer,
mojo::PendingRemote<network::mojom::DevToolsObserver> devtools_observer,
mojo::PendingRemote<network::mojom::DeviceBoundSessionAccessObserver>
device_bound_session_observer,
network::mojom::URLResponseHeadPtr cached_response_head,
std::vector<std::unique_ptr<NavigationLoaderInterceptor>>
initial_interceptors) {
TRACE_EVENT0("navigation", "NavigationURLLoader::Create");
// Prioritize CachedNavigationURLLoader over `g_loader_factory` even for tests
// as prerendered page activation needs to run synchronously and
// CachedNavigationURLLoader serves a fake response synchronously.
if (loader_type == LoaderType::kNoopForPrerender) {
DCHECK(cached_response_head);
return CachedNavigationURLLoader::Create(loader_type,
std::move(request_info), delegate,
std::move(cached_response_head));
}
if (g_loader_factory) {
return g_loader_factory->CreateLoader(
storage_partition, std::move(request_info),
std::move(navigation_ui_data), service_worker_handle, delegate,
loader_type);
}
// TODO(crbug.com/40188852): Merge this into the kNoopForPrerender path
// above.
if (loader_type == LoaderType::kNoopForBackForwardCache) {
DCHECK(cached_response_head);
return CachedNavigationURLLoader::Create(loader_type,
std::move(request_info), delegate,
std::move(cached_response_head));
}
return std::make_unique<NavigationURLLoaderImpl>(
browser_context, storage_partition, std::move(request_info),
std::move(navigation_ui_data), service_worker_handle,
std::move(prefetched_signed_exchange_cache), delegate,
std::move(cookie_observer), std::move(trust_token_observer),
std::move(shared_dictionary_observer),
std::move(url_loader_network_observer), std::move(devtools_observer),
std::move(device_bound_session_observer),
std::move(initial_interceptors));
}
// static
void NavigationURLLoader::SetFactoryForTesting(
NavigationURLLoaderFactory* factory) {
DCHECK(g_loader_factory == nullptr || factory == nullptr);
g_loader_factory = factory;
}
// static
uint32_t NavigationURLLoader::GetURLLoaderOptions(
bool is_outermost_main_frame) {
uint32_t options = network::mojom::kURLLoadOptionNone;
// Ensure that Mime sniffing works.
options |= network::mojom::kURLLoadOptionSniffMimeType;
if (is_outermost_main_frame) {
// SSLInfo is not needed on subframe or fenced frame responses because users
// can inspect only the certificate for the main frame when using the info
// bubble.
options |= network::mojom::kURLLoadOptionSendSSLInfoWithResponse;
}
// When there's a certificate error for a frame load (regardless of whether
// the error caused the connection to fail), SSLInfo is useful for adjusting
// security UI accordingly.
options |= network::mojom::kURLLoadOptionSendSSLInfoForCertificateError;
return options;
}
} // namespace content
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