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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 "chrome/browser/safe_browsing/delayed_warning_navigation_throttle.h"
#include "base/feature_list.h"
#include "chrome/browser/preloading/prefetch/no_state_prefetch/chrome_no_state_prefetch_contents_delegate.h"
#include "chrome/browser/safe_browsing/user_interaction_observer.h"
#include "components/no_state_prefetch/browser/no_state_prefetch_contents.h"
#include "components/safe_browsing/core/common/features.h"
#include "content/public/browser/navigation_handle.h"
namespace {
const char kConsoleMessage[] =
"A SafeBrowsing warning is pending on this page, so an attempted download "
"was cancelled. See https://crbug.com/1081317 for details.";
}
namespace safe_browsing {
DelayedWarningNavigationThrottle::DelayedWarningNavigationThrottle(
content::NavigationThrottleRegistry& registry)
: content::NavigationThrottle(registry) {}
DelayedWarningNavigationThrottle::~DelayedWarningNavigationThrottle() = default;
const char* DelayedWarningNavigationThrottle::GetNameForLogging() {
return "DelayedWarningNavigationThrottle";
}
content::NavigationThrottle::ThrottleCheckResult
DelayedWarningNavigationThrottle::WillProcessResponse() {
DCHECK(base::FeatureList::IsEnabled(safe_browsing::kDelayedWarnings));
SafeBrowsingUserInteractionObserver* observer =
SafeBrowsingUserInteractionObserver::FromWebContents(
navigation_handle()->GetWebContents());
if (navigation_handle()->IsDownload() && observer) {
// If the SafeBrowsing interstitial is delayed on the page, ignore
// downloads. The observer will record the histogram entry for this.
navigation_handle()
->GetWebContents()
->GetPrimaryMainFrame()
->AddMessageToConsole(blink::mojom::ConsoleMessageLevel::kWarning,
kConsoleMessage);
return content::NavigationThrottle::CANCEL_AND_IGNORE;
}
return content::NavigationThrottle::PROCEED;
}
} // namespace safe_browsing
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