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backend/src/gitea.cpp

123 lines
3.7 KiB
C++

/* This file is part of FediBlock-backend.
* Copyright © 2020 tastytea <tastytea@tastytea.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gitea.hpp"
#include "cgi.hpp"
#include "curl/curl.h"
#include "files.hpp"
#include "json.hpp"
#include <stdexcept>
#include <string>
#include <string_view>
namespace FediBlock::gitea
{
using std::runtime_error;
using std::string;
using std::string_view;
using std::to_string;
CURL *_connection;
void init()
{
_connection = curl_easy_init();
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
CURLcode code{curl_easy_setopt(_connection, CURLOPT_FOLLOWLOCATION, 1L)};
if (code != CURLE_OK)
{
throw runtime_error{"HTTP is not supported."};
}
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
curl_easy_setopt(_connection, CURLOPT_MAXREDIRS, 5L);
// Add extra headers.
struct curl_slist *headers{nullptr};
string authheader{"Authorization: token " + files::get_access_token()};
headers = curl_slist_append(headers, authheader.c_str());
headers = curl_slist_append(headers, "Accept: application/json");
headers = curl_slist_append(headers, "Content-Type: application/json");
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
code = curl_easy_setopt(_connection, CURLOPT_HTTPHEADER, headers);
if (code != CURLE_OK)
{
throw runtime_error{"Could not add headers"};
}
// Write the body into the void.
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
curl_easy_setopt(_connection, CURLOPT_WRITEFUNCTION, noop_cb);
}
void cleanup()
{
curl_easy_cleanup(gitea::_connection);
}
size_t noop_cb(void * /*ptr*/, size_t size, size_t nmemb, void * /*data*/)
{
return size * nmemb;
}
void api_request(const string_view path, const string_view body)
{
CURLcode code;
const string url{string("https://schlomp.space") += path};
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
code = curl_easy_setopt(_connection, CURLOPT_URL, url.c_str());
if (code != CURLE_OK)
{
throw runtime_error{"Couldn't set URL"};
}
// Prepare body to send.
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
curl_easy_setopt(_connection, CURLOPT_POSTFIELDSIZE, body.size());
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
curl_easy_setopt(_connection, CURLOPT_POSTFIELDS, body.data());
if (code != CURLE_OK)
{
throw runtime_error{"Couldn't set up data to send"};
}
code = curl_easy_perform(_connection);
if (code != CURLE_OK)
{
throw runtime_error{"libcurl error: " + to_string(code)};
}
long http_status; // NOLINT(google-runtime-int)
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg)
curl_easy_getinfo(_connection, CURLINFO_RESPONSE_CODE, &http_status);
if (http_status != 201) // 201 == Created.
{
throw runtime_error{"HTTP error: " + to_string(http_status)};
}
}
void pull_request(const string_view branch, const cgi::entry_type &entry)
{
api_request("/api/v1/repos/FediBlock/data/pulls",
json::pull_request_body(branch, entry));
}
} // namespace FediBlock::gitea