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