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// Copyright 2021 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/permissions/permission_util.h"
#include "base/check.h"
#include "build/build_config.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/web_preferences/web_preferences.h"
#include "url/gurl.h"
#include "url/origin.h"
using blink::mojom::PermissionDescriptorPtr;
namespace content {
// Due to dependency issues, this method is duplicated from
// components/permissions/permission_util.cc.
GURL PermissionUtil::GetLastCommittedOriginAsURL(
content::RenderFrameHost* render_frame_host) {
DCHECK(render_frame_host);
#if BUILDFLAG(IS_ANDROID)
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
// If `allow_universal_access_from_file_urls` flag is enabled, a file:/// can
// change its url via history.pushState/replaceState to any other url,
// including about:blank. To avoid user confusion we should always use a
// visible url, in other words `GetLastCommittedURL`.
if (web_contents->GetOrCreateWebPreferences()
.allow_universal_access_from_file_urls &&
render_frame_host->GetLastCommittedOrigin().GetURL().SchemeIsFile()) {
return render_frame_host->GetLastCommittedURL().DeprecatedGetOriginAsURL();
}
#endif
return render_frame_host->GetLastCommittedOrigin().GetURL();
}
bool PermissionUtil::IsDomainOverride(
const PermissionDescriptorPtr& descriptor) {
return descriptor->extension && descriptor->extension->is_storage_access();
}
url::Origin PermissionUtil::ExtractDomainOverride(
const PermissionDescriptorPtr& descriptor) {
const blink::mojom::StorageAccessPermissionDescriptorPtr&
override_descriptor = descriptor->extension->get_storage_access();
return override_descriptor->siteOverride;
}
bool PermissionUtil::ValidateDomainOverride(
const std::vector<blink::PermissionType>& types,
RenderFrameHost* rfh) {
if (!base::FeatureList::IsEnabled(
blink::features::kStorageAccessAPIForOriginExtension)) {
return false;
}
if (types.size() > 1) {
// Requests with domain overrides must be requested individually.
return false;
}
if (!rfh || !rfh->IsInPrimaryMainFrame()) {
// Requests with domain overrides must be requested from a top-level
// browsing context.
return false;
}
return true;
}
} // namespace content
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