sandboxed-api/oss-internship-2020/curl/examples/example6.cc

77 lines
2.4 KiB
C++

// Copyright 2020 Google LLC
//
// 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.
// Sandboxed version of simple.c using transactions
// Simple HTTP GET request
#include <cstdlib>
#include "../sandbox.h" // NOLINT(build/include)
#include "sandboxed_api/transaction.h"
namespace {
class CurlTransaction : public sapi::Transaction {
public:
explicit CurlTransaction(std::unique_ptr<sapi::Sandbox> sandbox)
: sapi::Transaction(std::move(sandbox)) {
sapi::Transaction::SetTimeLimit(kTimeOutVal);
}
private:
// Default timeout value for each transaction run.
static constexpr time_t kTimeOutVal = 2;
// The main processing function.
absl::Status Main() override;
};
absl::Status CurlTransaction::Main() {
curl::CurlApi api(sandbox());
// Initialize the curl session
SAPI_ASSIGN_OR_RETURN(void* curl_remote, api.curl_easy_init());
sapi::v::RemotePtr curl(curl_remote);
TRANSACTION_FAIL_IF_NOT(curl.GetValue(), "curl_easy_init failed");
// Specify URL to get
sapi::v::ConstCStr url("http://example.com");
SAPI_ASSIGN_OR_RETURN(
int setopt_url_code,
api.curl_easy_setopt_ptr(&curl, curl::CURLOPT_URL, url.PtrBefore()));
TRANSACTION_FAIL_IF_NOT(setopt_url_code == curl::CURLE_OK,
"curl_easy_setopt_ptr failed");
// Perform the request
SAPI_ASSIGN_OR_RETURN(int perform_code, api.curl_easy_perform(&curl));
TRANSACTION_FAIL_IF_NOT(setopt_url_code == curl::CURLE_OK,
"curl_easy_perform failed");
// Cleanup curl
TRANSACTION_FAIL_IF_NOT(api.curl_easy_cleanup(&curl).ok(),
"curl_easy_cleanup failed");
return absl::OkStatus();
}
} // namespace
int main(int argc, char* argv[]) {
CurlTransaction curl{std::make_unique<curl::CurlSapiSandbox>()};
absl::Status status = curl.Run();
CHECK(status.ok()) << "CurlTransaction failed";
return EXIT_SUCCESS;
}