112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
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#include <kinc/log.h>
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#include <kinc/network/http.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <winhttp.h>
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static const wchar_t *convert(int method) {
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switch (method) {
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case KINC_HTTP_GET:
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default:
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return L"GET";
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case KINC_HTTP_POST:
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return L"POST";
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case KINC_HTTP_PUT:
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return L"PUT";
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case KINC_HTTP_DELETE:
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return L"DELETE";
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}
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}
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static char *returnData = NULL;
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static int returnDataSize = 0;
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void kinc_http_request(const char *url, const char *path, const char *data, int port, bool secure, int method, const char *header,
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kinc_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 Kore/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, -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 wpath[4096];
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MultiByteToWideChar(CP_UTF8, 0, path, -1, wpath, 4096);
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hRequest =
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WinHttpOpenRequest(hConnect, convert(method), wpath, NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, secure ? WINHTTP_FLAG_SECURE : 0);
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}
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BOOL bResults = FALSE;
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if (hRequest) {
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wchar_t wheader[4096];
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if (header) {
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MultiByteToWideChar(CP_UTF8, 0, header, -1, wheader, 4096);
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}
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DWORD optionalLength = (data != 0 && strlen(data) > 0) ? (DWORD)strlen(data) : 0;
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bResults = WinHttpSendRequest(hRequest, header == 0 ? WINHTTP_NO_ADDITIONAL_HEADERS : wheader, header == 0 ? 0 : -1L,
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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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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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kinc_log(KINC_LOG_LEVEL_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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int newReturnDataSize = (returnDataIndex + dwSize + 1) * 2;
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char *newReturnData = (char *)malloc(newReturnDataSize);
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if (newReturnData == 0) {
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kinc_log(KINC_LOG_LEVEL_ERROR, "Out of memory\n");
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}
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memcpy(newReturnData, returnData, returnDataSize);
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returnDataSize = newReturnDataSize;
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returnData = newReturnData;
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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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kinc_log(KINC_LOG_LEVEL_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(1, 404, 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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kinc_log(KINC_LOG_LEVEL_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(0, 200, returnData, callbackdata);
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}
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