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// Copyright 2024 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/updater/net/fetcher_callback_adapter.h"
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include "base/check.h"
#include "base/functional/callback.h"
#include "base/process/process.h"
#include "base/task/bind_post_task.h"
#include "chrome/updater/net/mac/mojom/updater_fetcher.mojom.h"
#include "chrome/updater/util/util.h"
#include "components/update_client/network.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
using ResponseStartedCallback =
::update_client::NetworkFetcher::ResponseStartedCallback;
using ProgressCallback = ::update_client::NetworkFetcher::ProgressCallback;
using PostRequestCompleteCallback =
update_client::NetworkFetcher::PostRequestCompleteCallback;
using DownloadToFileCompleteCallback =
::update_client::NetworkFetcher::DownloadToFileCompleteCallback;
namespace updater {
namespace {
class PostRequestObserverImpl : public mojom::PostRequestObserver {
public:
PostRequestObserverImpl(
ResponseStartedCallback response_started_callback,
ProgressCallback progress_callback,
PostRequestCompleteCallback post_request_complete_callback)
: response_started_callback_(std::move(response_started_callback)),
progress_callback_(std::move(progress_callback)),
post_request_complete_callback_(
std::move(post_request_complete_callback)) {}
PostRequestObserverImpl(const PostRequestObserverImpl&) = delete;
PostRequestObserverImpl& operator=(const PostRequestObserverImpl&) = delete;
// Overrides for mojom::PostRequestObserver.
void OnResponseStarted(uint32_t http_status_code,
std::optional<uint64_t> content_length) override {
response_started_callback_.Run(
ToSignedIntegral(http_status_code),
content_length ? ToSignedIntegral(*content_length) : -1);
}
void OnProgress(uint64_t current) override {
progress_callback_.Run(ToSignedIntegral(current));
}
void OnRequestComplete(
const std::string& response_body,
int32_t net_error,
const std::string& header_etag,
const std::string& header_x_cup_server_proof,
const std::string& header_set_cookie,
std::optional<uint64_t> xheader_retry_after_sec) override {
CHECK(post_request_complete_callback_)
<< __func__ << " is called without a valid callback. Was " << __func__
<< " called mulitple times?";
std::move(post_request_complete_callback_)
.Run(response_body, net_error, header_etag, header_x_cup_server_proof,
header_set_cookie,
xheader_retry_after_sec
? ToSignedIntegral(*xheader_retry_after_sec)
: -1);
}
private:
ResponseStartedCallback response_started_callback_;
ProgressCallback progress_callback_;
PostRequestCompleteCallback post_request_complete_callback_;
};
class FileDownloadObserverImpl : public mojom::FileDownloadObserver {
public:
FileDownloadObserverImpl(
ResponseStartedCallback response_started_callback,
ProgressCallback progress_callback,
DownloadToFileCompleteCallback download_complete_callback)
: response_started_callback_(response_started_callback),
progress_callback_(progress_callback),
download_complete_callback_(std::move(download_complete_callback)) {}
FileDownloadObserverImpl(const FileDownloadObserverImpl&) = delete;
FileDownloadObserverImpl& operator=(const FileDownloadObserverImpl&) = delete;
// Overrides for mojom::FileDownloadObserver.
void OnResponseStarted(uint32_t http_status_code,
std::optional<uint64_t> content_length) override {
response_started_callback_.Run(
ToSignedIntegral(http_status_code),
content_length ? ToSignedIntegral(*content_length) : -1);
}
void OnProgress(uint64_t current) override {
progress_callback_.Run(ToSignedIntegral(current));
}
void OnDownloadComplete(int32_t net_error,
std::optional<uint64_t> content_length) override {
CHECK(download_complete_callback_)
<< __func__ << " is called without a valid callback. Was " << __func__
<< " called mulitple times?";
std::move(download_complete_callback_)
.Run(net_error,
content_length ? ToSignedIntegral(*content_length) : -1);
}
private:
ResponseStartedCallback response_started_callback_;
ProgressCallback progress_callback_;
DownloadToFileCompleteCallback download_complete_callback_;
};
} // namespace
// Binds a callback which creates a self-owned PostRequestObserverImpl to
// forward RPC callbacks to the provided native callbacks.
base::OnceCallback<void(mojo::PendingReceiver<mojom::PostRequestObserver>)>
MakePostRequestObserver(
ResponseStartedCallback response_started_callback,
ProgressCallback progress_callback,
PostRequestCompleteCallback post_request_complete_callback) {
return base::BindOnce(
[](ResponseStartedCallback response_started_callback,
ProgressCallback progress_callback,
PostRequestCompleteCallback post_request_complete_callback,
mojo::PendingReceiver<mojom::PostRequestObserver> receiver) {
mojo::MakeSelfOwnedReceiver(
std::make_unique<PostRequestObserverImpl>(
response_started_callback, progress_callback,
std::move(post_request_complete_callback)),
std::move(receiver));
},
base::BindPostTaskToCurrentDefault(response_started_callback),
base::BindPostTaskToCurrentDefault(progress_callback),
base::BindPostTaskToCurrentDefault(
std::move(post_request_complete_callback)));
}
base::OnceCallback<void(mojo::PendingReceiver<mojom::FileDownloadObserver>)>
MakeFileDownloadObserver(
ResponseStartedCallback response_started_callback,
ProgressCallback progress_callback,
DownloadToFileCompleteCallback download_complete_callback) {
return base::BindOnce(
[](ResponseStartedCallback response_started_callback,
ProgressCallback progress_callback,
DownloadToFileCompleteCallback download_complete_callback,
mojo::PendingReceiver<mojom::FileDownloadObserver> receiver) {
mojo::MakeSelfOwnedReceiver(
std::make_unique<FileDownloadObserverImpl>(
response_started_callback, progress_callback,
std::move(download_complete_callback)),
std::move(receiver));
},
base::BindPostTaskToCurrentDefault(response_started_callback),
base::BindPostTaskToCurrentDefault(progress_callback),
base::BindPostTaskToCurrentDefault(
std::move(download_complete_callback)));
}
} // namespace updater
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