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ImHex/lib/libimhex/include/hex/helpers/http_requests.hpp
2023-12-19 13:10:25 +01:00

164 lines
4.2 KiB
C++

#pragma once
#include <hex.hpp>
#include <future>
#include <map>
#include <string>
#include <vector>
#include <wolv/io/file.hpp>
#include <wolv/utils/guards.hpp>
#if defined(OS_WEB)
#include <emscripten/fetch.h>
using curl_off_t = long;
#else
#include <curl/curl.h>
#endif
typedef void CURL;
namespace hex {
class HttpRequest {
public:
class ResultBase {
public:
ResultBase() = default;
explicit ResultBase(u32 statusCode) : m_statusCode(statusCode), m_valid(true) { }
[[nodiscard]] u32 getStatusCode() const {
return m_statusCode;
}
[[nodiscard]] bool isSuccess() const {
return this->getStatusCode() == 200;
}
[[nodiscard]] bool isValid() const {
return m_valid;
}
private:
u32 m_statusCode = 0;
bool m_valid = false;
};
template<typename T>
class Result : public ResultBase {
public:
Result() = default;
Result(u32 statusCode, T data) : ResultBase(statusCode), m_data(std::move(data)) { }
[[nodiscard]]
const T& getData() const {
return m_data;
}
private:
T m_data;
};
HttpRequest(std::string method, std::string url);
~HttpRequest();
HttpRequest(const HttpRequest&) = delete;
HttpRequest& operator=(const HttpRequest&) = delete;
HttpRequest(HttpRequest &&other) noexcept;
HttpRequest& operator=(HttpRequest &&other) noexcept;
static void setProxyState(bool enabled);
static void setProxyUrl(std::string proxy);
void setMethod(std::string method) {
m_method = std::move(method);
}
void setUrl(std::string url) {
m_url = std::move(url);
}
void addHeader(std::string key, std::string value) {
m_headers[std::move(key)] = std::move(value);
}
void setBody(std::string body) {
m_body = std::move(body);
}
void setTimeout(u32 timeout) {
m_timeout = timeout;
}
float getProgress() const {
return m_progress;
}
void cancel() {
m_canceled = true;
}
template<typename T = std::string>
std::future<Result<T>> downloadFile(const std::fs::path &path);
std::future<Result<std::vector<u8>>> downloadFile();
template<typename T = std::string>
std::future<Result<T>> uploadFile(const std::fs::path &path, const std::string &mimeName = "filename");
template<typename T = std::string>
std::future<Result<T>> uploadFile(std::vector<u8> data, const std::string &mimeName = "filename", const std::fs::path &fileName = "data.bin");
template<typename T = std::string>
std::future<Result<T>> execute();
static std::string urlEncode(const std::string &input);
static std::string urlDecode(const std::string &input);
protected:
void setDefaultConfig();
template<typename T>
Result<T> executeImpl(std::vector<u8> &data);
static size_t writeToVector(void *contents, size_t size, size_t nmemb, void *userdata);
static size_t writeToFile(void *contents, size_t size, size_t nmemb, void *userdata);
static int progressCallback(void *contents, curl_off_t dlTotal, curl_off_t dlNow, curl_off_t ulTotal, curl_off_t ulNow);
private:
static void checkProxyErrors();
private:
#if defined(OS_WEB)
emscripten_fetch_attr_t m_attr;
#else
CURL *m_curl;
#endif
std::mutex m_transmissionMutex;
std::string m_method;
std::string m_url;
std::string m_body;
std::promise<std::vector<u8>> m_promise;
std::map<std::string, std::string> m_headers;
u32 m_timeout = 1000;
std::atomic<float> m_progress = 0.0F;
std::atomic<bool> m_canceled = false;
};
}
#if defined(OS_WEB)
#include <hex/helpers/http_requests_emscripten.hpp>
#else
#include <hex/helpers/http_requests_native.hpp>
#endif