luboslenco
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
#include <iron_system.h>
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#include <iron_net.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <Windows.h>
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#include <winhttp.h>
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static char *returnData = NULL;
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static int returnDataSize = 0;
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void iron_https_request(const char *url_base, const char *url_path, const char *data, int port, int method,
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iron_http_callback_t callback, void *callbackdata) {
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// based on https://docs.microsoft.com/en-us/windows/desktop/winhttp/winhttp-sessions-overview
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HINTERNET hSession = WinHttpOpen(L"WinHTTP via Iron/1.0", WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
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HINTERNET hConnect = NULL;
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if (hSession) {
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wchar_t wurl[4096];
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MultiByteToWideChar(CP_UTF8, 0, url_base, -1, wurl, 4096);
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hConnect = WinHttpConnect(hSession, wurl, port, 0);
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}
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HINTERNET hRequest = NULL;
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if (hConnect) {
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wchar_t wurl_path[4096];
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MultiByteToWideChar(CP_UTF8, 0, url_path, -1, wurl_path, 4096);
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hRequest = WinHttpOpenRequest(hConnect, method == IRON_HTTP_GET ? L"GET" : L"POST", wurl_path, NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, WINHTTP_FLAG_SECURE);
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}
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BOOL bResults = FALSE;
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if (hRequest) {
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DWORD optionalLength = (data != 0 && strlen(data) > 0) ? (DWORD)strlen(data) : 0;
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bResults = WinHttpSendRequest(hRequest, WINHTTP_NO_ADDITIONAL_HEADERS, 0,
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data == 0 ? WINHTTP_NO_REQUEST_DATA : (LPVOID)data, optionalLength, optionalLength, 0);
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}
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if (bResults) {
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bResults = WinHttpReceiveResponse(hRequest, NULL);
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}
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int returnDataIndex = 0;
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if (bResults) {
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DWORD dwSize;
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do {
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dwSize = 0;
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if (!WinHttpQueryDataAvailable(hRequest, &dwSize)) {
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iron_error("Error %d in WinHttpQueryDataAvailable.\n", GetLastError());
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}
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if ((int)dwSize + 1 > returnDataSize - returnDataIndex) {
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returnDataSize = (returnDataIndex + dwSize + 1) * 2;
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returnData = realloc(returnData, returnDataSize);
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}
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DWORD dwDownloaded = 0;
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if (!WinHttpReadData(hRequest, (LPVOID)(&returnData[returnDataIndex]), dwSize, &dwDownloaded)) {
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iron_error("Error %d in WinHttpReadData.\n", GetLastError());
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}
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returnDataIndex += dwSize;
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} while (dwSize > 0);
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}
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else {
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callback(NULL, callbackdata);
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return;
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}
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returnData[returnDataIndex] = 0;
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if (!bResults) {
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iron_error("Error %d has occurred.\n", GetLastError());
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}
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if (hRequest) {
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WinHttpCloseHandle(hRequest);
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}
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if (hConnect) {
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WinHttpCloseHandle(hConnect);
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}
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if (hSession) {
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WinHttpCloseHandle(hSession);
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}
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callback(returnData, callbackdata);
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}
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