#define CURL_STATICLIB #include #include #include #include "security_checker.h" #include "json/json.hpp" #pragma comment(lib, "Normaliz.lib") #pragma comment(lib, "Ws2_32.lib") #pragma comment(lib, "Wldap32.lib") #pragma comment(lib, "Crypt32.lib") #pragma comment(lib, "advapi32.lib") #pragma comment(lib, "User32.lib") using json = nlohmann::json; // GLOBAL CONFIG CURL* curl; CURLcode res; size_t write_function(void* delivered_data, size_t size, size_t nmemb, std::string* user_data) { user_data->append((char*)delivered_data, size * nmemb); return size * nmemb; } bool check_country(std::string country) { CURL* curl; CURLcode res; curl_global_init(CURL_GLOBAL_ALL); curl = curl_easy_init(); if (!curl) return false; std::string string_response; curl_easy_setopt(curl, CURLOPT_URL, "http://ip-api.com/json/"); curl_easy_setopt(curl, CURLOPT_WRITEDATA, &string_response); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_function); res = curl_easy_perform(curl); if (res != CURLE_OK) return false; json json_response = json::parse(string_response); std::string response_country = json_response["country"]; if (response_country != country) return false; curl_easy_cleanup(curl); curl_global_cleanup(); return true; }