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// Copyright 2022 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_CHROMEOS_POLICY_DLP_DLP_SCOPED_FILE_ACCESS_DELEGATE_H_
#define CHROME_BROWSER_CHROMEOS_POLICY_DLP_DLP_SCOPED_FILE_ACCESS_DELEGATE_H_
#include <memory>
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "base/files/scoped_file.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/dbus/dlp/dlp_service.pb.h"
#include "components/file_access/scoped_file_access.h"
#include "components/file_access/scoped_file_access_delegate.h"
#include "url/gurl.h"
namespace chromeos {
class DlpClient;
} // namespace chromeos
namespace policy {
// Delegate class to proxy file access requests to DLP daemon over D-Bus when
// DLP Files restrictions should apply.
class DlpScopedFileAccessDelegate
: public file_access::ScopedFileAccessDelegate {
public:
using DefaultAccess = file_access::ScopedFileAccessDelegate::DefaultAccess;
~DlpScopedFileAccessDelegate() override;
using DlpClientProvider = base::RepeatingCallback<chromeos::DlpClient*()>;
// Initializes the singleton instance.
static void Initialize(DlpClientProvider client_provider);
// file_access::ScopedFileAccessDelegate:
void RequestFilesAccess(
const std::vector<base::FilePath>& files,
const GURL& destination_url,
base::OnceCallback<void(file_access::ScopedFileAccess)> callback)
override;
void RequestFilesAccessForSystem(
const std::vector<base::FilePath>& files,
base::OnceCallback<void(file_access::ScopedFileAccess)> callback)
override;
void RequestDefaultFilesAccess(
const std::vector<base::FilePath>& files,
base::OnceCallback<void(file_access::ScopedFileAccess)> callback)
override;
RequestFilesAccessIOCallback CreateFileAccessCallback(
const GURL& destination) const override;
protected:
explicit DlpScopedFileAccessDelegate(DlpClientProvider client_provider);
private:
friend class DlpScopedFileAccessDelegateTest;
friend class DlpScopedFileAccessDelegateInteractiveUITest;
friend std::unique_ptr<DlpScopedFileAccessDelegate> std::make_unique<
DlpScopedFileAccessDelegate>(DlpClientProvider&& client_provider);
// Starts a RequestFileAccess request to the daemon.
void PostRequestFileAccessToDaemon(
chromeos::DlpClient* client,
const ::dlp::RequestFileAccessRequest request,
base::OnceCallback<void(file_access::ScopedFileAccess)> callback);
// Handles D-Bus response to access files.
void OnResponse(
base::OnceCallback<void(file_access::ScopedFileAccess)> callback,
const ::dlp::RequestFileAccessResponse response,
base::ScopedFD fd);
const DlpClientProvider client_provider_;
base::WeakPtrFactory<DlpScopedFileAccessDelegate> weak_ptr_factory_;
};
} // namespace policy
#endif // CHROME_BROWSER_CHROMEOS_POLICY_DLP_DLP_SCOPED_FILE_ACCESS_DELEGATE_H_
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