// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/dev_ui/android/dev_ui_loader_throttle.h"
#include <string>
#include <utility>
#include "base/check_op.h"
#include "build/chromeos_buildflags.h"
#include "chrome/android/modules/dev_ui/provider/dev_ui_module_provider.h"
#include "chrome/browser/dev_ui/android/dev_ui_loader_error_page.h"
#include "chrome/common/webui_url_constants.h"
#include "components/commerce/core/commerce_constants.h"
#include "components/history_clusters/history_clusters_internals/webui/url_constants.h"
#include "components/optimization_guide/optimization_guide_internals/webui/url_constants.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/common/url_constants.h"
#include "device/vr/buildflags/buildflags.h"
#include "net/base/net_errors.h"
#include "url/gurl.h"
namespace {
// Decides whether WebUI |host| (assumed for chrome://) is in the DevUI DFM.
// These should exclude WebUI hosts that are used outside of Chrome, e.g., those
// used by Android WebView (see AwWebUIControllerFactory). The test
// DevUiLoaderThrottleTest.PreventAccidentalInclusion safeguards against the
// inclusion of WebUI hosts that are purposefully left in the base module (i.e.,
// installed by default, and not in the DevUI DFM).
bool IsWebUiHostInDevUiDfm(const std::string& host) {
// Each WebUI host (including synonyms) in the DevUI DFM must have an entry.
// Assume linear search is fast enough. Can optimize later if needed.
return host == chrome::kChromeUIAccessibilityHost ||
host == chrome::kChromeUIAutofillInternalsHost ||
host == chrome::kChromeUIBluetoothInternalsHost ||
host == chrome::kChromeUIBrowsingTopicsInternalsHost ||
host == chrome::kChromeUIComponentsHost ||
host == chrome::kChromeUICrashesHost ||
host == chrome::kChromeUIDeviceLogHost ||
host == chrome::kChromeUIDownloadInternalsHost ||
host == chrome::kChromeUIFamilyLinkUserInternalsHost ||
host == chrome::kChromeUIGCMInternalsHost ||
host == chrome::kChromeUIInternalsHost ||
host == chrome::kChromeUIInterstitialHost ||
host == chrome::kChromeUILocalStateHost ||
host == chrome::kChromeUIMediaEngagementHost ||
host == chrome::kChromeUIMemoryInternalsHost ||
host == chrome::kChromeUIMetricsInternalsHost ||
host == chrome::kChromeUINTPTilesInternalsHost ||
host == chrome::kChromeUINetExportHost ||
host == chrome::kChromeUINetInternalsHost ||
host == chrome::kChromeUIOmniboxHost ||
host == chrome::kChromeUIPasswordManagerInternalsHost ||
host == chrome::kChromeUIPolicyHost ||
host == chrome::kChromeUIPredictorsHost ||
host == chrome::kChromeUISandboxHost ||
host == chrome::kChromeUISignInInternalsHost ||
host == chrome::kChromeUISiteEngagementHost ||
host == chrome::kChromeUISnippetsInternalsHost ||
host == chrome::kChromeUISyncInternalsHost ||
host == chrome::kChromeUITranslateInternalsHost ||
host == chrome::kChromeUIUsbInternalsHost ||
host == chrome::kChromeUIUserActionsHost ||
host == chrome::kChromeUIWebApksHost ||
host == chrome::kChromeUIWebRtcLogsHost ||
host == commerce::kChromeUICommerceInternalsHost ||
host == content::kChromeUIPrivateAggregationInternalsHost ||
host == content::kChromeUIAttributionInternalsHost ||
host == content::kChromeUIBlobInternalsHost ||
host == content::kChromeUIGpuHost ||
host == content::kChromeUIHistogramHost ||
host == content::kChromeUIIndexedDBInternalsHost ||
host == content::kChromeUIMediaInternalsHost ||
host == content::kChromeUINetworkErrorsListingHost ||
host == content::kChromeUIProcessInternalsHost ||
host == content::kChromeUIQuotaInternalsHost ||
host == content::kChromeUIServiceWorkerInternalsHost ||
host == content::kChromeUIUkmHost ||
host == content::kChromeUIWebRTCInternalsHost ||
#if BUILDFLAG(ENABLE_VR)
host == content::kChromeUIWebXrInternalsHost ||
#endif
host == history_clusters_internals::
kChromeUIHistoryClustersInternalsHost ||
host == optimization_guide_internals::
kChromeUIOptimizationGuideInternalsHost;
}
} // namespace
namespace dev_ui {
// static
bool DevUiLoaderThrottle::ShouldInstallDevUiDfm(const GURL& url) {
return url.SchemeIs(content::kChromeUIScheme) &&
IsWebUiHostInDevUiDfm(url.host());
}
// static
std::unique_ptr<content::NavigationThrottle>
DevUiLoaderThrottle::MaybeCreateThrottleFor(content::NavigationHandle* handle) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(handle);
if (!handle->IsInPrimaryMainFrame())
return nullptr;
if (!ShouldInstallDevUiDfm(handle->GetURL()))
return nullptr;
if (dev_ui::DevUiModuleProvider::GetInstance()->ModuleInstalled()) {
dev_ui::DevUiModuleProvider::GetInstance()->EnsureLoaded();
return nullptr;
}
return std::make_unique<DevUiLoaderThrottle>(handle);
}
DevUiLoaderThrottle::DevUiLoaderThrottle(
content::NavigationHandle* navigation_handle)
: content::NavigationThrottle(navigation_handle) {}
DevUiLoaderThrottle::~DevUiLoaderThrottle() = default;
const char* DevUiLoaderThrottle::GetNameForLogging() {
return "DevUiLoaderThrottle";
}
content::NavigationThrottle::ThrottleCheckResult
DevUiLoaderThrottle::WillStartRequest() {
if (!dev_ui::DevUiModuleProvider::GetInstance()->ModuleInstalled()) {
// Can handle multiple install requests.
dev_ui::DevUiModuleProvider::GetInstance()->InstallModule(
base::BindOnce(&DevUiLoaderThrottle::OnDevUiDfmInstallWithStatus,
weak_ptr_factory_.GetWeakPtr()));
return DEFER;
}
return PROCEED;
}
void DevUiLoaderThrottle::OnDevUiDfmInstallWithStatus(bool success) {
if (success) {
dev_ui::DevUiModuleProvider::GetInstance()->EnsureLoaded();
Resume();
} else {
std::string html = BuildErrorPageHtml();
CancelDeferredNavigation({CANCEL, net::ERR_CONNECTION_FAILED, html});
}
}
} // namespace dev_ui
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