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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_SAFE_BROWSING_NAVIGATION_THROTTLE_H_
#define COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_SAFE_BROWSING_NAVIGATION_THROTTLE_H_
#include "base/memory/raw_ptr.h"
#include "content/public/browser/navigation_throttle.h"
namespace safe_browsing {
class SafeBrowsingUIManager;
// This throttle monitors failed requests in an outer-most main frame (e.g.
// doesn't apply for fenced-frames), and if a request failed due to
// it being blocked by Safe Browsing, it creates and displays an interstitial.
// For other kinds of loads, the interstitial is navigated at the same time the
// load is canceled in BaseUIManager::DisplayBlockingPage
//
// This NavigationThrottle doesn't actually perform a SafeBrowsing check nor
// block the navigation. That happens in SafeBrowsing's
// BrowserURLLoaderThrottle and RendererURLLoaderThrottles and related code.
// Those cause the navigation to fail which invokes this throttle to show the
// interstitial.
class SafeBrowsingNavigationThrottle : public content::NavigationThrottle {
public:
// |ui_manager| may be null, in which case no throttle is created.
static void MaybeCreateAndAdd(
content::NavigationThrottleRegistry& registry,
SafeBrowsingUIManager* ui_manager);
~SafeBrowsingNavigationThrottle() override = default;
const char* GetNameForLogging() override;
content::NavigationThrottle::ThrottleCheckResult WillFailRequest() override;
private:
SafeBrowsingNavigationThrottle(content::NavigationThrottleRegistry& registry,
SafeBrowsingUIManager* ui_manager);
raw_ptr<SafeBrowsingUIManager> manager_;
};
} // namespace safe_browsing
#endif // COMPONENTS_SAFE_BROWSING_CONTENT_BROWSER_SAFE_BROWSING_NAVIGATION_THROTTLE_H_
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