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ImHex/lib/libimhex/source/helpers/http_requests_native.cpp

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#if !defined(OS_WEB)
#include <hex/helpers/http_requests.hpp>
namespace hex {
namespace {
std::string s_proxyUrl;
bool s_proxyState;
}
HttpRequest::HttpRequest(std::string method, std::string url) : m_method(std::move(method)), m_url(std::move(url)) {
AT_FIRST_TIME {
curl_global_init(CURL_GLOBAL_ALL);
};
AT_FINAL_CLEANUP {
curl_global_cleanup();
};
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m_curl = curl_easy_init();
}
HttpRequest::~HttpRequest() {
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curl_easy_cleanup(m_curl);
}
HttpRequest::HttpRequest(HttpRequest &&other) noexcept {
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m_curl = other.m_curl;
other.m_curl = nullptr;
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m_method = std::move(other.m_method);
m_url = std::move(other.m_url);
m_headers = std::move(other.m_headers);
m_body = std::move(other.m_body);
}
HttpRequest& HttpRequest::operator=(HttpRequest &&other) noexcept {
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m_curl = other.m_curl;
other.m_curl = nullptr;
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m_method = std::move(other.m_method);
m_url = std::move(other.m_url);
m_headers = std::move(other.m_headers);
m_body = std::move(other.m_body);
return *this;
}
void HttpRequest::setDefaultConfig() {
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curl_easy_setopt(m_curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
curl_easy_setopt(m_curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1_2);
curl_easy_setopt(m_curl, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(m_curl, CURLOPT_USERAGENT, "ImHex/1.0");
curl_easy_setopt(m_curl, CURLOPT_DEFAULT_PROTOCOL, "https");
curl_easy_setopt(m_curl, CURLOPT_SSL_VERIFYPEER, 1L);
curl_easy_setopt(m_curl, CURLOPT_SSL_VERIFYHOST, 2L);
curl_easy_setopt(m_curl, CURLOPT_TIMEOUT_MS, 0L);
curl_easy_setopt(m_curl, CURLOPT_CONNECTTIMEOUT_MS, m_timeout);
curl_easy_setopt(m_curl, CURLOPT_NOSIGNAL, 1L);
curl_easy_setopt(m_curl, CURLOPT_NOPROGRESS, 0L);
curl_easy_setopt(m_curl, CURLOPT_XFERINFODATA, this);
curl_easy_setopt(m_curl, CURLOPT_XFERINFOFUNCTION, progressCallback);
if (s_proxyState)
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curl_easy_setopt(m_curl, CURLOPT_PROXY, s_proxyUrl.c_str());
}
std::future<HttpRequest::Result<std::vector<u8>>> HttpRequest::downloadFile() {
return std::async(std::launch::async, [this] {
std::vector<u8> response;
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curl_easy_setopt(m_curl, CURLOPT_WRITEFUNCTION, writeToVector);
curl_easy_setopt(m_curl, CURLOPT_WRITEDATA, &response);
return this->executeImpl<std::vector<u8>>(response);
});
}
void HttpRequest::setProxyUrl(std::string proxy) {
s_proxyUrl = std::move(proxy);
}
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void HttpRequest::setProxyState(bool enabled) {
s_proxyState = enabled;
}
void HttpRequest::checkProxyErrors() {
if (s_proxyState && !s_proxyUrl.empty()){
log::info("A custom proxy '{0}' is in use. Is it working correctly?", s_proxyUrl);
}
}
int HttpRequest::progressCallback(void *contents, curl_off_t dlTotal, curl_off_t dlNow, curl_off_t ulTotal, curl_off_t ulNow) {
auto &request = *static_cast<HttpRequest *>(contents);
if (dlTotal > 0)
request.m_progress = float(dlNow) / dlTotal;
else if (ulTotal > 0)
request.m_progress = float(ulNow) / ulTotal;
else
request.m_progress = 0.0F;
return request.m_canceled ? CURLE_ABORTED_BY_CALLBACK : CURLE_OK;
}
}
#endif