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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.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chrome/browser/ash/arc/print_spooler/arc_print_spooler_util.h"
#include <utility>
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/platform_file.h"
#include "base/files/scoped_file.h"
#include "base/logging.h"
#include "mojo/public/c/system/types.h"
namespace arc {
void DeletePrintDocument(const base::FilePath& file_path) {
if (!base::DeleteFile(file_path))
LOG(ERROR) << "Failed to delete print document.";
}
base::FilePath SavePrintDocument(mojo::ScopedHandle scoped_handle) {
base::ScopedPlatformFile platform_file;
if (mojo::UnwrapPlatformFile(std::move(scoped_handle), &platform_file) !=
MOJO_RESULT_OK) {
PLOG(ERROR) << "UnwrapPlatformFile failed.";
return base::FilePath();
}
base::File src_file(std::move(platform_file));
if (!src_file.IsValid()) {
PLOG(ERROR) << "Source file is invalid.";
return base::FilePath();
}
base::FilePath temp_path;
if (!base::CreateTemporaryFile(&temp_path)) {
PLOG(ERROR) << "Failed to create file.";
return base::FilePath();
}
base::File temp(temp_path, base::File::FLAG_OPEN | base::File::FLAG_WRITE);
char buf[4096];
int bytes;
while ((bytes = src_file.ReadAtCurrentPos(buf, sizeof(buf))) > 0) {
if (!temp.WriteAtCurrentPosAndCheck(
base::as_bytes(base::span(buf, static_cast<size_t>(bytes))))) {
PLOG(ERROR) << "Error while saving PDF to disk.";
return base::FilePath();
}
}
if (bytes < 0) {
PLOG(ERROR) << "Error reading PDF.";
return base::FilePath();
}
return base::MakeAbsoluteFilePath(temp_path);
}
} // namespace arc
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