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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 "chrome/browser/web_applications/web_app_internals_utils.h"
#include <string_view>
#include "base/files/file_path.h"
#include "base/json/json_file_value_serializer.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "base/values.h"
#include "chrome/browser/web_applications/file_utils_wrapper.h"
#include "chrome/browser/web_applications/web_app_utils.h"
#include "content/public/browser/browser_thread.h"
namespace web_app {
namespace {
struct ErrorLogData {
Result result;
base::Value error_log;
};
constexpr base::TaskTraits kTaskTraits = {
base::MayBlock(), base::TaskPriority::USER_VISIBLE,
base::TaskShutdownBehavior::BLOCK_SHUTDOWN};
base::FilePath GetErrorLogDirectory(const base::FilePath& web_apps_directory) {
return web_apps_directory.AppendASCII("Logs");
}
base::FilePath GetErrorLogFileName(const base::FilePath& web_apps_directory,
std::string_view subsystem_name) {
return GetErrorLogDirectory(web_apps_directory)
.AppendASCII(subsystem_name.data())
.AddExtensionASCII("log");
}
ErrorLogData ReadErrorLogBlocking(scoped_refptr<FileUtilsWrapper> utils,
const base::FilePath& web_apps_directory,
std::string_view subsystem_name) {
base::FilePath log_file_name =
GetErrorLogFileName(web_apps_directory, subsystem_name);
ErrorLogData data;
JSONFileValueDeserializer deserializer(log_file_name);
std::string error_msg;
std::unique_ptr<base::Value> error_log =
deserializer.Deserialize(nullptr, &error_msg);
if (error_log) {
data.result = Result::kOk;
data.error_log = std::move(*error_log);
} else {
data.result = Result::kError;
}
return data;
}
void OnReadErrorLogBlocking(ReadErrorLogCallback callback, ErrorLogData data) {
std::move(callback).Run(data.result, std::move(data.error_log));
}
Result WriteErrorLogBlocking(scoped_refptr<FileUtilsWrapper> utils,
const base::FilePath& web_apps_directory,
std::string_view subsystem_name,
base::Value error_log) {
if (!utils->CreateDirectory(GetErrorLogDirectory(web_apps_directory)))
return Result::kError;
base::FilePath log_file_name =
GetErrorLogFileName(web_apps_directory, subsystem_name);
JSONFileValueSerializer serializer(log_file_name);
return serializer.Serialize(error_log) ? Result::kOk : Result::kError;
}
Result ClearErrorLogBlocking(scoped_refptr<FileUtilsWrapper> utils,
const base::FilePath& web_apps_directory,
std::string_view subsystem_name) {
base::FilePath log_file_name =
GetErrorLogFileName(web_apps_directory, subsystem_name);
return utils->DeleteFile(log_file_name, /*recursive=*/false) ? Result::kOk
: Result::kError;
}
} // namespace
void ReadErrorLog(const base::FilePath& web_apps_directory,
std::string_view subsystem_name,
ReadErrorLogCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, kTaskTraits,
base::BindOnce(ReadErrorLogBlocking,
base::MakeRefCounted<FileUtilsWrapper>(),
web_apps_directory, subsystem_name),
base::BindOnce(OnReadErrorLogBlocking, std::move(callback)));
}
void WriteErrorLog(const base::FilePath& web_apps_directory,
std::string_view subsystem_name,
base::Value error_log,
FileIoCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, kTaskTraits,
base::BindOnce(WriteErrorLogBlocking,
base::MakeRefCounted<FileUtilsWrapper>(),
web_apps_directory, subsystem_name, std::move(error_log)),
std::move(callback));
}
void ClearErrorLog(const base::FilePath& web_apps_directory,
std::string_view subsystem_name,
FileIoCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, kTaskTraits,
base::BindOnce(ClearErrorLogBlocking,
base::MakeRefCounted<FileUtilsWrapper>(),
web_apps_directory, subsystem_name),
std::move(callback));
}
} // namespace web_app
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