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// 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.
// This file contains some useful utilities for the safe_browsing/triggers
// classes
#include "components/safe_browsing/content/browser/triggers/trigger_util.h"
#include <string>
#include "base/strings/string_util.h"
#include "content/public/browser/render_frame_host.h"
namespace safe_browsing {
bool DetectGoogleAd(content::RenderFrameHost* render_frame_host,
const GURL& frame_url) {
// In case the navigation aborted, look up the RFH by the Frame Tree Node
// ID. It returns the committed frame host or the initial frame host for the
// frame if no committed host exists. Using a previous host is fine because
// once a frame has an ad we always consider it to have an ad.
// We use the unsafe method of FindFrameByFrameTreeNodeId because we're not
// concerned with which process the frame lives on (we only want to know if an
// ad could be present on the page right now).
if (render_frame_host) {
const std::string& frame_name = render_frame_host->GetFrameName();
if (base::StartsWith(frame_name, "google_ads_iframe",
base::CompareCase::SENSITIVE) ||
base::StartsWith(frame_name, "google_ads_frame",
base::CompareCase::SENSITIVE)) {
return true;
}
}
return base::EndsWith(frame_url.host_piece(),
".safeframe.googlesyndication.com",
base::CompareCase::SENSITIVE) &&
base::StartsWith(frame_url.path_piece(), "/safeframe",
base::CompareCase::SENSITIVE);
}
} // namespace safe_browsing
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