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/**
* @file tests/integration/sdk_test_data_provider.cpp
* @brief Mega SDK test file
*
* (c) 2025 by Mega Limited, New Zealand
*
* This file is part of the MEGA SDK - Client Access Engine.
*
* Applications using the MEGA API must present a valid application key
* and comply with the the rules set forth in the Terms of Service.
*
* The MEGA SDK 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.
*
* @copyright Simplified (2-clause) BSD License.
* You should have received a copy of the license along with this
* program.
*/
#include "sdk_test_data_provider.h"
#include "mega/logging.h"
#include <curl/curl.h>
#include <fstream>
#include <memory>
namespace
{
// cURL Callback function to write downloaded data to a stream
// See https://curl.se/libcurl/c/CURLOPT_WRITEFUNCTION.html
// See https://github.com/curl/curl/pull/9874 returning CURL_WRITEFUNC_ERROR
// is better than 0 on errors.
size_t writeData(void* ptr, size_t size, size_t nmemb, std::ofstream* stream)
{
if (stream->write((char*)ptr, static_cast<std::streamsize>(size * nmemb)))
{
return size * nmemb;
}
else
{
#ifdef CURL_WRITEFUNC_ERROR
return CURL_WRITEFUNC_ERROR;
#else
return 0;
#endif
}
}
/**
* @brief Download a file from a URL using cURL
*
* @param url The URL of the File
* @param dstPath The destination file path to write
* @return True if the file was downloaded successfully, otherwise false
*/
bool getFileFromURL(const std::string& url, const fs::path& dstPath)
{
auto curlCleaner = [](CURL* curl)
{
curl_easy_cleanup(curl);
};
// Initialize libcurl
std::unique_ptr<CURL, decltype(curlCleaner)> curl{curl_easy_init(), curlCleaner};
if (!curl)
{
LOG_err << "Failed to initialize libcurl";
return false;
}
// Open file to save downloaded data
std::ofstream ofs(dstPath, std::ios::binary | std::ios::out);
if (!ofs)
{
LOG_err << "Error opening file for writing:" << path_u8string(dstPath);
return false;
}
// Download
curl_easy_setopt(curl.get(), CURLOPT_URL, url.c_str());
curl_easy_setopt(curl.get(), CURLOPT_WRITEFUNCTION, writeData);
curl_easy_setopt(curl.get(), CURLOPT_WRITEDATA, &ofs);
CURLcode res = curl_easy_perform(curl.get());
if (res != CURLE_OK)
{
LOG_err << "curl_easy_perform() failed: " << curl_easy_strerror(res);
return false;
}
// Close file
ofs.close();
if (!ofs)
{
LOG_verbose << "Error closing file:" << path_u8string(dstPath);
return false;
}
LOG_verbose << "File " << path_u8string(dstPath) << " downloaded successfully";
return true;
}
}
bool getFileFromArtifactory(const std::string& relativeUrl, const fs::path& dstPath)
{
static const std::string baseUrl{
"https://artifactory.developers.mega.co.nz:443/artifactory/sdk"};
// Join base URL and relatvie URL
bool startedWithBackSlash = !relativeUrl.empty() && relativeUrl[0] == '/';
std::string seperator = startedWithBackSlash ? "" : "/";
const auto absoluateUrl = baseUrl + seperator + relativeUrl;
return getFileFromURL(absoluateUrl, dstPath);
}
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