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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/update_client/patch/patch_impl.h"
#include <utility>
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/task/sequenced_task_runner.h"
#include "components/services/patch/public/cpp/patch.h"
#include "components/update_client/update_client_errors.h"
#include "components/zucchini/zucchini.h"
namespace update_client {
namespace {
int CheckFiles(bool old_valid, bool patch_valid, bool destination_valid) {
if (!old_valid) {
return static_cast<int>(UnpackerError::kPatchInvalidOldFile);
}
if (!patch_valid) {
return static_cast<int>(UnpackerError::kPatchInvalidPatchFile);
}
if (!destination_valid) {
return static_cast<int>(UnpackerError::kPatchInvalidNewFile);
}
return 0;
}
class PatcherImpl : public Patcher {
public:
explicit PatcherImpl(PatchChromiumFactory::Callback callback)
: callback_(std::move(callback)) {}
void PatchPuffPatch(base::File old_file,
base::File patch_file,
base::File destination_file,
PatchCompleteCallback callback) const override {
int error = CheckFiles(old_file.IsValid(), patch_file.IsValid(),
destination_file.IsValid());
if (error != 0) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), error));
return;
}
patch::PuffPatch(callback_.Run(), std::move(old_file),
std::move(patch_file), std::move(destination_file),
std::move(callback));
}
void PatchZucchini(base::File old_file,
base::File patch_file,
base::File destination_file,
PatchCompleteCallback callback) const override {
int error = CheckFiles(old_file.IsValid(), patch_file.IsValid(),
destination_file.IsValid());
if (error != 0) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), error));
return;
}
patch::ZucchiniPatch(callback_.Run(), std::move(old_file),
std::move(patch_file), std::move(destination_file),
base::BindOnce([](zucchini::status::Code result) {
return static_cast<int>(result);
}).Then(std::move(callback)));
}
protected:
~PatcherImpl() override = default;
private:
const PatchChromiumFactory::Callback callback_;
};
} // namespace
PatchChromiumFactory::PatchChromiumFactory(Callback callback)
: callback_(std::move(callback)) {}
scoped_refptr<Patcher> PatchChromiumFactory::Create() const {
return base::MakeRefCounted<PatcherImpl>(callback_);
}
PatchChromiumFactory::~PatchChromiumFactory() = default;
} // namespace update_client
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