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// Copyright 2014 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_ASH_APP_MODE_KIOSK_EXTERNAL_UPDATE_VALIDATOR_H_
#define CHROME_BROWSER_ASH_APP_MODE_KIOSK_EXTERNAL_UPDATE_VALIDATOR_H_
#include <memory>
#include <string>
#include "base/files/file_path.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/values.h"
#include "extensions/browser/sandboxed_unpacker.h"
namespace extensions {
class Extension;
}
namespace ash {
// Delegate class for KioskExternalUpdateValidator, derived class must support
// WeakPtr.
class KioskExternalUpdateValidatorDelegate {
public:
virtual void OnExternalUpdateUnpackSuccess(
const std::string& app_id,
const std::string& version,
const std::string& min_browser_version,
const base::FilePath& temp_dir) = 0;
virtual void OnExternalUpdateUnpackFailure(const std::string& app_id) = 0;
protected:
virtual ~KioskExternalUpdateValidatorDelegate() = default;
};
// Unpacks the crx file of the kiosk app and validates its signature.
class KioskExternalUpdateValidator
: public extensions::SandboxedUnpackerClient {
public:
KioskExternalUpdateValidator(
const scoped_refptr<base::SequencedTaskRunner>& backend_task_runner,
const extensions::CRXFileInfo& file,
const base::FilePath& crx_unpack_dir,
const base::WeakPtr<KioskExternalUpdateValidatorDelegate>& delegate);
KioskExternalUpdateValidator(const KioskExternalUpdateValidator&) = delete;
KioskExternalUpdateValidator& operator=(const KioskExternalUpdateValidator&) =
delete;
// Starts validating the external crx file.
void Start();
private:
~KioskExternalUpdateValidator() override;
// SandboxedUnpackerClient overrides.
void OnUnpackFailure(const extensions::CrxInstallError& error) override;
void OnUnpackSuccess(const base::FilePath& temp_dir,
const base::FilePath& extension_dir,
std::unique_ptr<base::Value::Dict> original_manifest,
const extensions::Extension* extension,
const SkBitmap& install_icon,
base::Value::Dict ruleset_install_prefs) override;
// Task runner for executing file I/O tasks.
const scoped_refptr<base::SequencedTaskRunner> backend_task_runner_;
// Information about the external crx file.
extensions::CRXFileInfo crx_file_;
// The temporary directory used by SandBoxedUnpacker for unpacking extensions.
const base::FilePath crx_unpack_dir_;
base::WeakPtr<KioskExternalUpdateValidatorDelegate> delegate_;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_APP_MODE_KIOSK_EXTERNAL_UPDATE_VALIDATOR_H_
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