#include <windows.h>
#include <winhttp.h>
#include <stdio.h>
#pragma comment(lib, "winhttp.lib")
int main()
{
LPCWSTR httpUserAgent = L"neonprimetime Simulation/1.0";
LPCWSTR httpUserAgentProxy = L"neonprimetime Proxy Simulation/1.0";
//INTERNET_PORT httpPort = INTERNET_DEFAULT_HTTPS_PORT;
INTERNET_PORT httpPort = INTERNET_DEFAULT_HTTP_PORT;
//DWORD isHttpsEnabled = WINHTTP_FLAG_SECURE;
DWORD isHttpsEnabled = 0;
LPCWSTR httpHost = L"149.154.165.120";
//LPCWSTR httpHost = L"www.microsoft.com";
LPCWSTR httpFullUrl = L"http://149.154.165.120/";
//LPCWSTR httpFullUrl = L"https://www.microsoft.com/";
LPCWSTR httpMethod = L"GET";
LPCWSTR httpPath = L"/";
DWORD lenAvailableHtmlToDownload = 0;
DWORD lenHtmlActuallyDownloaded = 0;
LPSTR strDownloadedHtmlBuffer;
BOOL isRequestSuccessful = FALSE;
BOOL isProxyFound = FALSE;
BOOL isProxySet = FALSE;
HINTERNET httpSession = NULL;
HINTERNET httpConnection = NULL;
HINTERNET httpRequest = NULL;
// open user agent session
httpSession = WinHttpOpen(httpUserAgent, WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
if (httpSession)
{
printf("session opened\n");
if (!WinHttpSetTimeouts(httpSession, 1000, 1000, 1000, 1000))
printf("Error %u in WinHttpSetTimeouts.\n", GetLastError());
printf("connection timeouts set\n");
// open connection to host
httpConnection = WinHttpConnect(httpSession, httpHost, httpPort, 0);
if (httpConnection)
{
printf("connection opened\n");
// open request to path
httpRequest = WinHttpOpenRequest(httpConnection, httpMethod, httpPath, NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, isHttpsEnabled);
if (httpRequest)
{
printf("request opened\n");
// send request to host
isRequestSuccessful = WinHttpSendRequest(httpRequest, WINHTTP_NO_ADDITIONAL_HEADERS, 0, WINHTTP_NO_REQUEST_DATA, 0, 0, 0);
if (isRequestSuccessful)
{
printf("requesst sent\n");
// receive response from host
isRequestSuccessful = WinHttpReceiveResponse(httpRequest, NULL);
if (isRequestSuccessful)
{
printf("response received\n");
do
{
// check if there is still more html available to download
lenAvailableHtmlToDownload = 0;
if (WinHttpQueryDataAvailable(httpRequest, &lenAvailableHtmlToDownload))
{
strDownloadedHtmlBuffer = new char[lenAvailableHtmlToDownload + 1];
if (strDownloadedHtmlBuffer)
{
// clear out (with 0s) the previously downloaded html
ZeroMemory(strDownloadedHtmlBuffer, lenAvailableHtmlToDownload + 1);
// download html to the buffer
if (WinHttpReadData(httpRequest, (LPVOID)strDownloadedHtmlBuffer, lenAvailableHtmlToDownload, &lenHtmlActuallyDownloaded))
{
printf("%4i bytes downloaded", lenHtmlActuallyDownloaded);
if (lenHtmlActuallyDownloaded > 0)
{
if (lenHtmlActuallyDownloaded <= 10)
{
printf(",'%s'\n", strDownloadedHtmlBuffer);
}
else
{
const int lenSnippet = 25;
char strFront[lenSnippet + 1];
char strBack[lenSnippet + 1];
strncpy_s(strFront, strDownloadedHtmlBuffer, lenSnippet);
for (int i = 0; i < lenSnippet; i++)
if (strFront[i] == '\r' || strFront[i] == '\n')
strFront[i] = ' ';
strFront[lenSnippet] = 0;
strncpy_s(strBack, strDownloadedHtmlBuffer + (strlen(strDownloadedHtmlBuffer) - lenSnippet), lenSnippet);
for (int i = 0; i < lenSnippet; i++)
if (strBack[i] == '\r' || strBack[i] == '\n')
strBack[i] = ' ';
strBack[lenSnippet] = 0;
printf(",'%s ... %s'\n", strFront, strBack);
//printf(",'%s'\n", strDownloadedHtmlBuffer);
}
}
else
printf(",nothing actually downloaded");
}
else
{
printf("Error %u in WinHttpReadData.\n", GetLastError());
lenAvailableHtmlToDownload = 0;
}
delete[] strDownloadedHtmlBuffer;
}
else
{
printf("Out of memory\n");
lenAvailableHtmlToDownload = 0;
}
}
else
{
printf("Error %u in WinHttpQueryDataAvailable.\n", GetLastError());
lenAvailableHtmlToDownload = 0;
}
} while (lenAvailableHtmlToDownload > 0);
}
else
wprintf(L"Http Received failed '%s', '%s', '%d', '%s', '%s', '%d'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath, GetLastError());
}
else {
wprintf(L"Http Send failed '%s', '%s', '%d', '%s', '%s', '%u'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath, GetLastError());
if (httpRequest) WinHttpCloseHandle(httpRequest);
if (httpConnection) WinHttpCloseHandle(httpConnection);
if (httpSession) WinHttpCloseHandle(httpSession);
// send failed, try with a proxy
WINHTTP_AUTOPROXY_OPTIONS AutoProxyOptions;
WINHTTP_PROXY_INFO ProxyInfo;
DWORD cbProxyInfoSize = sizeof(ProxyInfo);
ZeroMemory(&AutoProxyOptions, sizeof(AutoProxyOptions));
ZeroMemory(&ProxyInfo, sizeof(ProxyInfo));
httpSession = WinHttpOpen(httpUserAgentProxy, WINHTTP_ACCESS_TYPE_NO_PROXY, WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
if (httpSession)
{
printf("proxy re-opened session\n");
httpConnection = WinHttpConnect(httpSession, httpHost, httpPort, 0);
if (httpConnection)
{
printf("proxy re-opened connection\n");
httpRequest = WinHttpOpenRequest(httpConnection, httpMethod, httpPath, NULL, WINHTTP_NO_REFERER, WINHTTP_DEFAULT_ACCEPT_TYPES, isHttpsEnabled);
if (httpRequest)
{
printf("proxy re-opened request\n");
// discover the proxy auto config url
AutoProxyOptions.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL;
//AutoProxyOptions.dwAutoDetectFlags = WINHTTP_AUTO_DETECT_TYPE_DHCP | WINHTTP_AUTO_DETECT_TYPE_DNS_A;
AutoProxyOptions.lpszAutoConfigUrl = L"http://pac.somebody.com/proxy.pac";
AutoProxyOptions.fAutoLogonIfChallenged = TRUE;
isProxyFound = WinHttpGetProxyForUrl(httpSession, httpFullUrl, &AutoProxyOptions, &ProxyInfo);
if (isProxyFound)
{
printf("proxy config url\n");
isProxySet = WinHttpSetOption(httpRequest, WINHTTP_OPTION_PROXY, &ProxyInfo, cbProxyInfoSize);
if (isProxySet)
{
printf("proxy set config url\n");
isRequestSuccessful = WinHttpSendRequest(httpRequest, WINHTTP_NO_ADDITIONAL_HEADERS, 0, WINHTTP_NO_REQUEST_DATA, 0, 0, 0);
if (isRequestSuccessful)
{
printf("proxy sent request\n");
// receive response from host
isRequestSuccessful = WinHttpReceiveResponse(httpRequest, NULL);
if (isRequestSuccessful)
{
printf("response received via proxy\n");
do
{
// check if there is still more html available to download
lenAvailableHtmlToDownload = 0;
if (WinHttpQueryDataAvailable(httpRequest, &lenAvailableHtmlToDownload))
{
strDownloadedHtmlBuffer = new char[lenAvailableHtmlToDownload + 1];
if (strDownloadedHtmlBuffer)
{
// clear out (with 0s) the previously downloaded html
ZeroMemory(strDownloadedHtmlBuffer, lenAvailableHtmlToDownload + 1);
// download html to the buffer
if (WinHttpReadData(httpRequest, (LPVOID)strDownloadedHtmlBuffer, lenAvailableHtmlToDownload, &lenHtmlActuallyDownloaded))
{
printf("%4i bytes downloaded", lenHtmlActuallyDownloaded);
if (lenHtmlActuallyDownloaded > 0)
{
if (lenHtmlActuallyDownloaded <= 10)
{
printf(",'%s'\n", strDownloadedHtmlBuffer);
}
else
{
const int lenSnippet = 25;
char strFront[lenSnippet + 1];
char strBack[lenSnippet + 1];
strncpy_s(strFront, strDownloadedHtmlBuffer, lenSnippet);
for (int i = 0; i < lenSnippet; i++)
if (strFront[i] == '\r' || strFront[i] == '\n')
strFront[i] = ' ';
strFront[lenSnippet] = 0;
strncpy_s(strBack, strDownloadedHtmlBuffer + (strlen(strDownloadedHtmlBuffer) - lenSnippet), lenSnippet);
for (int i = 0; i < lenSnippet; i++)
if (strBack[i] == '\r' || strBack[i] == '\n')
strBack[i] = ' ';
strBack[lenSnippet] = 0;
printf(",'%s ... %s'\n", strFront, strBack);
//printf(",'%s'\n", strDownloadedHtmlBuffer);
}
}
else
printf(",nothing actually downloaded");
}
else
{
printf("Error %u in WinHttpReadData.\n", GetLastError());
lenAvailableHtmlToDownload = 0;
}
delete[] strDownloadedHtmlBuffer;
}
else
{
printf("Out of memory\n");
lenAvailableHtmlToDownload = 0;
}
}
else
{
printf("Error %u in WinHttpQueryDataAvailable.\n", GetLastError());
lenAvailableHtmlToDownload = 0;
}
} while (lenAvailableHtmlToDownload > 0);
}
else
wprintf(L"Http Proxy Received failed '%s', '%s', '%d', '%s', '%s', '%d'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath, GetLastError());
}
else
wprintf(L"Http Proxy Send failed '%s', '%s', '%d', '%s', '%s', '%u'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath, GetLastError());
}
else
wprintf(L"Http Proxy Set failed '%s', '%s', '%d', '%s', '%s'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath);
}
else
wprintf(L"Http Proxy Found failed '%s', '%s', '%d', '%s', '%s'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath);
}
else
wprintf(L"Http Proxy Request open failed '%s', '%s', , '%d''%s', '%s'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath);
if (httpConnection) WinHttpCloseHandle(httpConnection);
}
else
wprintf(L"Http Proxy Connection open failed '%s', '%s', '%d'\n", httpUserAgent, httpHost, httpPort);
if (httpSession) WinHttpCloseHandle(httpSession);
}
else
wprintf(L"Http Proxy Session open failed %s\n", httpUserAgent);\
}
if (httpRequest) WinHttpCloseHandle(httpRequest);
}
else
wprintf(L"Http Request open failed '%s', '%s', , '%d''%s', '%s'\n", httpUserAgent, httpHost, httpPort, httpMethod, httpPath);
if (httpConnection) WinHttpCloseHandle(httpConnection);
}
else
wprintf(L"Http Connection open failed '%s', '%s', '%d'\n", httpUserAgent, httpHost, httpPort);
if (httpSession) WinHttpCloseHandle(httpSession);
}
else
wprintf(L"Http Session open failed %s\n", httpUserAgent);
}
Showing posts with label winhttpopen. Show all posts
Showing posts with label winhttpopen. Show all posts
Tuesday, April 7, 2020
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