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// Copyright 2023 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_BRUSCHETTA_BRUSCHETTA_DOWNLOAD_H_
#define CHROME_BROWSER_ASH_BRUSCHETTA_BRUSCHETTA_DOWNLOAD_H_
#include "base/files/scoped_temp_dir.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "url/gurl.h"
class PrefService;
class Profile;
namespace network {
class SimpleURLLoader;
} // namespace network
namespace bruschetta {
class BruschettaNetworkContext;
extern const net::NetworkTrafficAnnotationTag kBruschettaTrafficAnnotation;
// Only exposed so unit tests can test it.
std::string Sha256FileForTesting(const base::FilePath& path);
// Wrapper class to manage the lifetime of a download for the Bruschetta
// installer. Only good for a single download (i.e. must only call StartDownload
// once). Deleting this instance will cancel an in-progress download and delete
// any downloaded files.
class BruschettaDownload {
public:
virtual ~BruschettaDownload() = default;
// Starts downloading the file at `url`, will invoke `callback` upon
// completion. Either with the path to the downloaded file and a sha256 hash
// of its contents, or in case of error will run `callback` with an empty
// path.
virtual void StartDownload(
Profile* profile,
GURL url,
base::OnceCallback<void(base::FilePath path, std::string sha256)>
callback) = 0;
};
// Wraps SimpleURLLoader to make it even simpler for Bruschetta to use it for
// downloading files.
class SimpleURLLoaderDownload : public BruschettaDownload {
public:
explicit SimpleURLLoaderDownload(PrefService& local_state);
// Starts downloading the file at `url`, will invoke `callback` upon
// completion. Either with the path to the downloaded file and a sha256 hash
// of its contents, or in case of error will run `callback` with an empty
// path.
void StartDownload(
Profile* profile,
GURL url,
base::OnceCallback<void(base::FilePath path, std::string sha256)>
callback) override;
void SetPostDeletionCallbackForTesting(base::OnceClosure closure) {
post_deletion_closure_for_testing_ = std::move(closure);
}
// Cancel a download if in-progress and delete any downloaded files.
~SimpleURLLoaderDownload() override;
private:
void Download(Profile* profile, std::unique_ptr<base::ScopedTempDir> dir);
void Finished(base::FilePath path);
const raw_ref<PrefService> local_state_;
GURL url_;
std::unique_ptr<base::ScopedTempDir> scoped_temp_dir_;
base::OnceCallback<void(base::FilePath path, std::string sha256)> callback_;
std::unique_ptr<network::SimpleURLLoader> loader_;
base::OnceClosure post_deletion_closure_for_testing_;
std::unique_ptr<BruschettaNetworkContext> network_context_;
base::WeakPtrFactory<SimpleURLLoaderDownload> weak_ptr_factory_{this};
};
} // namespace bruschetta
#endif // CHROME_BROWSER_ASH_BRUSCHETTA_BRUSCHETTA_DOWNLOAD_H_
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