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94 lines
2.9 KiB
94 lines
2.9 KiB
7 months ago
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "common/libs/utils/archive.h"
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#include <string>
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#include <vector>
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#include <android-base/strings.h>
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#include <android-base/logging.h>
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#include "common/libs/utils/subprocess.h"
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namespace cuttlefish {
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Archive::Archive(const std::string& file) : file(file) {
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}
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Archive::~Archive() {
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}
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std::vector<std::string> Archive::Contents() {
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Command bsdtar_cmd("/usr/bin/bsdtar");
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bsdtar_cmd.AddParameter("-tf");
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bsdtar_cmd.AddParameter(file);
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std::string bsdtar_input, bsdtar_output;
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auto bsdtar_ret = RunWithManagedStdio(std::move(bsdtar_cmd), &bsdtar_input,
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&bsdtar_output, nullptr);
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if (bsdtar_ret != 0) {
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LOG(ERROR) << "`bsdtar -tf \"" << file << "\"` returned " << bsdtar_ret;
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}
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return bsdtar_ret == 0
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? android::base::Split(bsdtar_output, "\n")
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: std::vector<std::string>();
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}
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bool Archive::ExtractAll(const std::string& target_directory) {
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return ExtractFiles({}, target_directory);
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}
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bool Archive::ExtractFiles(const std::vector<std::string>& to_extract,
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const std::string& target_directory) {
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Command bsdtar_cmd("/usr/bin/bsdtar");
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bsdtar_cmd.AddParameter("-x");
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bsdtar_cmd.AddParameter("-v");
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bsdtar_cmd.AddParameter("-C");
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bsdtar_cmd.AddParameter(target_directory);
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bsdtar_cmd.AddParameter("-f");
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bsdtar_cmd.AddParameter(file);
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bsdtar_cmd.AddParameter("-S");
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for (const auto& extract : to_extract) {
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bsdtar_cmd.AddParameter(extract);
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}
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bsdtar_cmd.RedirectStdIO(Subprocess::StdIOChannel::kStdOut,
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Subprocess::StdIOChannel::kStdErr);
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auto bsdtar_ret = bsdtar_cmd.Start().Wait();
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if (bsdtar_ret != 0) {
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LOG(ERROR) << "bsdtar extraction on \"" << file << "\" returned " << bsdtar_ret;
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}
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return bsdtar_ret == 0;
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}
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std::string Archive::ExtractToMemory(const std::string& path) {
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Command bsdtar_cmd("/usr/bin/bsdtar");
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bsdtar_cmd.AddParameter("-xf");
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bsdtar_cmd.AddParameter(file);
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bsdtar_cmd.AddParameter("-O");
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bsdtar_cmd.AddParameter(path);
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std::string stdout, stderr;
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auto ret = RunWithManagedStdio(std::move(bsdtar_cmd), nullptr, &stdout,
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nullptr);
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if (ret != 0) {
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LOG(ERROR) << "Could not extract \"" << path << "\" from \"" << file
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<< "\" to memory.";
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return "";
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}
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return stdout;
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}
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} // namespace cuttlefish
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