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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CLIPBOARD_CHROME_CLIPBOARD_PERMISSION_CONTEXT_DELEGATE_H_
#define CHROME_BROWSER_CLIPBOARD_CHROME_CLIPBOARD_PERMISSION_CONTEXT_DELEGATE_H_
#include <map>
#include <optional>
#include <set>
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "components/permissions/contexts/clipboard_permission_context_delegate.h"
#include "content/public/browser/browser_context.h"
#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
// The class adds logic to check permission for a frame inside of a WebView.
class ChromeClipboardPermissionContextDelegate
: public permissions::ClipboardPermissionContextDelegate {
public:
enum class Type {
kReadWrite,
kSanitizedWrite,
};
explicit ChromeClipboardPermissionContextDelegate(Type type);
ChromeClipboardPermissionContextDelegate(
const ChromeClipboardPermissionContextDelegate&) = delete;
ChromeClipboardPermissionContextDelegate& operator=(
const ChromeClipboardPermissionContextDelegate&) = delete;
~ChromeClipboardPermissionContextDelegate() override;
// permissions::ClipboardPermissionContextDelegate:
bool DecidePermission(
const permissions::PermissionRequestData& request_data,
permissions::BrowserPermissionCallback callback) override;
// permissions::ClipboardPermissionContextDelegate:
// This method is necessary, because when permission is granted by a webview
// request, the result is not saved to ContentSettings and permission status
// still would be prompt.
std::optional<ContentSetting> GetPermissionStatus(
content::RenderFrameHost* render_frame_host,
const GURL& requesting_origin) const override;
private:
bool IsEmbedderPermissionGranted(
extensions::WebViewPermissionHelper* web_view_permission_helper) const;
void OnWebViewPermissionResult(
permissions::BrowserPermissionCallback callback,
permissions::PermissionRequestID request_id,
bool allowed);
bool IsPermissionGrantedToWebView(
content::RenderFrameHost* render_frame_host,
extensions::WebViewPermissionHelper* web_view_permission_helper) const;
// The first origin belongs to the top level frame.
// The second origin is embedded frame origin.
// This ensures that permissions are properly isolated.
// Also the embedded origin is obtained from
// web_view_guest()->embedder_rfh()->GetLastCommittedOrigin();
// and not from permissions::PermissionRequest.embedding_origin,
// because the latter uses GetMainFrame() which doesn't traverse GuestView.
base::flat_map<url::Origin, std::set<url::Origin>> granted_permissions_;
const Type type_;
base::WeakPtrFactory<ChromeClipboardPermissionContextDelegate> weak_factory_{
this};
};
#endif // CHROME_BROWSER_CLIPBOARD_CHROME_CLIPBOARD_PERMISSION_CONTEXT_DELEGATE_H_
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