BOOL CHttpRequestSender::InternalSend()
{
BOOL bStatus = FALSE; // Resulting status
strconv_t strconv; // String conversion
HINTERNET hSession = NULL; // Internet session
HINTERNET hConnect = NULL; // Internet connection
HINTERNET hRequest = NULL; // Handle to HTTP request
TCHAR szProtocol[512]; // Protocol
TCHAR szServer[512]; // Server name
TCHAR szURI[1024]; // URI
DWORD dwPort=0; // Port
CString sHeaders = _T("Content-type: multipart/form-data, boundary=") + m_sBoundary;
LPCTSTR szAccept[2]={_T("*/*"), NULL};
INTERNET_BUFFERS BufferIn;
BYTE pBuffer[2048];
BOOL bRet = FALSE;
DWORD dwBuffSize = 0;
CString sMsg;
LONGLONG lPostSize = 0;
std::map<CString, std::string>::iterator it;
std::map<CString, CHttpRequestFile>::iterator it2;
// Calculate size of data to send
m_Assync->SetProgress(_T("Calculating size of data to send."), 0);
bRet = CalcRequestSize(lPostSize);
if(!bRet)
{
m_Assync->SetProgress(_T("Error calculating size of data to send!"), 0);
goto cleanup;
}
// Create Internet session
m_Assync->SetProgress(_T("Opening Internet connection."), 0);
hSession = InternetOpen(_T("CrashRpt"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if(hSession==NULL)
{
m_Assync->SetProgress(_T("Error opening Internet session"), 0);
goto cleanup;
}
// Parse application-provided URL
ParseURL(m_Request.m_sUrl, szProtocol, 512, szServer, 512, dwPort, szURI, 1024);
// Connect to HTTP server
m_Assync->SetProgress(_T("Connecting to server"), 0, true);
hConnect = InternetConnect(hSession, szServer, (WORD)dwPort,
NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1);
if(hConnect==NULL)
{
m_Assync->SetProgress(_T("Error connecting to server"), 0);
goto cleanup;
}
if(m_Assync->IsCancelled()){ goto cleanup; }
m_Assync->SetProgress(_T("Opening HTTP request..."), 0, true);
hRequest = HttpOpenRequest(hConnect, _T("POST"), szURI,
NULL, NULL, szAccept, INTERNET_FLAG_NO_CACHE_WRITE, 0);
if (!hRequest)
{
m_Assync->SetProgress(_T("HttpOpenRequest has failed."), 0, true);
goto cleanup;
}
BufferIn.dwStructSize = sizeof( INTERNET_BUFFERS ); // Must be set or error will occur
BufferIn.Next = NULL;
BufferIn.lpcszHeader = sHeaders;
BufferIn.dwHeadersLength = sHeaders.GetLength();
BufferIn.dwHeadersTotal = 0;
BufferIn.lpvBuffer = NULL;
BufferIn.dwBufferLength = 0;
BufferIn.dwBufferTotal = (DWORD)lPostSize; // This is the only member used other than dwStructSize
BufferIn.dwOffsetLow = 0;
BufferIn.dwOffsetHigh = 0;
m_dwPostSize = (DWORD)lPostSize;
m_dwUploaded = 0;
m_Assync->SetProgress(_T("Sending HTTP request..."), 0);
if(!HttpSendRequestEx( hRequest, &BufferIn, NULL, 0, 0))
{
m_Assync->SetProgress(_T("HttpSendRequestEx has failed."), 0);
goto cleanup;
}
// Write text fields
for(it=m_Request.m_aTextFields.begin(); it!=m_Request.m_aTextFields.end(); it++)
{
bRet = WriteTextPart(hRequest, it->first);
if(!bRet)
goto cleanup;
}
// Write attachments
for(it2=m_Request.m_aIncludedFiles.begin(); it2!=m_Request.m_aIncludedFiles.end(); it2++)
{
bRet = WriteAttachmentPart(hRequest, it2->first);
if(!bRet)
goto cleanup;
}
bRet = WriteTrailingBoundary(hRequest);
if(!bRet)
goto cleanup;
m_Assync->SetProgress(_T("Ending HTTP request..."), 0);
if(!HttpEndRequest(hRequest, NULL, 0, 0))
{
m_Assync->SetProgress(_T("HttpEndRequest has failed."), 0);
goto cleanup;
}
m_Assync->SetProgress(_T("Reading server responce..."), 0);
InternetReadFile(hRequest, pBuffer, 2048, &dwBuffSize);
pBuffer[dwBuffSize] = 0;
sMsg = CString((LPCSTR)pBuffer, dwBuffSize);
sMsg = _T("Server returned:") + sMsg;
m_Assync->SetProgress(sMsg, 0);
if(atoi((LPCSTR)pBuffer)!=200)
{
m_Assync->SetProgress(_T("Failed."), 100, false);
goto cleanup;
}
m_Assync->SetProgress(_T("Error report was sent OK!"), 100, false);
bStatus = TRUE;
cleanup:
if(!bStatus)
{
m_Assync->SetProgress(_T("Error sending HTTP request."), 100, false);
}
// Clean up
if(hRequest)
InternetCloseHandle(hRequest);
if(hConnect)
InternetCloseHandle(hConnect);
if(hSession)
InternetCloseHandle(hSession);
m_Assync->SetCompleted(bStatus?0:1);
return bStatus;
}
// Sends HTTP request and checks response
BOOL CHttpRequestSender::InternalSend()
{
BOOL bStatus = FALSE; // Resulting status
strconv_t strconv; // String conversion
HINTERNET hSession = NULL; // Internet session
HINTERNET hConnect = NULL; // Internet connection
HINTERNET hRequest = NULL; // Handle to HTTP request
TCHAR szProtocol[512]; // Protocol
TCHAR szServer[512]; // Server name
TCHAR szURI[1024]; // URI
DWORD dwPort=0; // Port
CString sHeaders = _T("Content-type: multipart/form-data; boundary=") + m_sBoundary;
LPCTSTR szAccept[2]={_T("*/*"), NULL};
INTERNET_BUFFERS BufferIn;
BYTE pBuffer[4096] = {0};
BOOL bRet = FALSE;
DWORD dwBuffSize = 0;
CString sMsg;
LONGLONG lPostSize = 0;
std::map<CString, std::string>::iterator it;
std::map<CString, CHttpRequestFile>::iterator it2;
// Calculate size of data to send
m_Assync->SetProgress(_T("Calculating size of data to send."), 0);
bRet = CalcRequestSize(lPostSize);
if(!bRet)
{
m_Assync->SetProgress(_T("Error calculating size of data to send!"), 0);
goto cleanup;
}
// Create Internet session
m_Assync->SetProgress(_T("Opening Internet connection."), 0);
hSession = InternetOpen(_T("CrashRpt"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if(hSession==NULL)
{
m_Assync->SetProgress(_T("Error opening Internet session"), 0);
goto cleanup;
}
// Parse application-provided URL
ParseURL(m_Request.m_sUrl, szProtocol, 512, szServer, 512, dwPort, szURI, 1024);
// Connect to HTTP server
m_Assync->SetProgress(_T("Connecting to server"), 0, true);
hConnect = InternetConnect(
hSession, // InternetOpen handle
szServer, // Server name
(WORD)dwPort, // Default HTTPS port - 443
NULL, // User name
NULL, // User password
INTERNET_SERVICE_HTTP, // Service
0, // Flags
0 // Context
);
if(hConnect==NULL)
{
m_Assync->SetProgress(_T("Error connecting to server"), 0);
goto cleanup;
}
// Set large receive timeout to avoid problems in case of
// slow upload => slow response from the server.
DWORD dwReceiveTimeout = 0;
InternetSetOption(hConnect, INTERNET_OPTION_RECEIVE_TIMEOUT,
&dwReceiveTimeout, sizeof(dwReceiveTimeout));
// Check if canceled
if(m_Assync->IsCancelled()){ goto cleanup; }
// Add a message to log
m_Assync->SetProgress(_T("Opening HTTP request..."), 0, true);
// Configure flags for HttpOpenRequest
DWORD dwFlags = INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_NO_AUTO_REDIRECT;
if(dwPort==INTERNET_DEFAULT_HTTPS_PORT)
dwFlags |= INTERNET_FLAG_SECURE; // Use SSL
BOOL bRedirect = FALSE;
int nCount = 0;
while(nCount==0 || bRedirect)
{
nCount++;
// Open HTTP request
hRequest = HttpOpenRequest(
hConnect,
_T("POST"),
szURI,
NULL,
NULL,
szAccept,
dwFlags,
0
);
if (!hRequest)
{
m_Assync->SetProgress(_T("HttpOpenRequest has failed."), 0, true);
goto cleanup;
}
// This code was copied from http://support.microsoft.com/kb/182888 to address the problem
// that MVS doesn't have a valid SSL certificate.
DWORD extraSSLDwFlags = 0;
DWORD dwBuffLen = sizeof(extraSSLDwFlags);
InternetQueryOption (hRequest, INTERNET_OPTION_SECURITY_FLAGS,
(LPVOID)&extraSSLDwFlags, &dwBuffLen);
// We have to specifically ignore these 2 errors for MVS
extraSSLDwFlags |= SECURITY_FLAG_IGNORE_REVOCATION | // Ignores certificate revocation problems.
SECURITY_FLAG_IGNORE_WRONG_USAGE | // Ignores incorrect usage problems.
SECURITY_FLAG_IGNORE_CERT_CN_INVALID | // Ignores the ERROR_INTERNET_SEC_CERT_CN_INVALID error message.
SECURITY_FLAG_IGNORE_CERT_DATE_INVALID; // Ignores the ERROR_INTERNET_SEC_CERT_DATE_INVALID error message.
InternetSetOption (hRequest, INTERNET_OPTION_SECURITY_FLAGS,
&extraSSLDwFlags, sizeof (extraSSLDwFlags) );
// Fill in buffer
BufferIn.dwStructSize = sizeof( INTERNET_BUFFERS ); // Must be set or error will occur
BufferIn.Next = NULL;
BufferIn.lpcszHeader = sHeaders;
BufferIn.dwHeadersLength = sHeaders.GetLength();
BufferIn.dwHeadersTotal = 0;
BufferIn.lpvBuffer = NULL;
BufferIn.dwBufferLength = 0;
BufferIn.dwBufferTotal = (DWORD)lPostSize; // This is the only member used other than dwStructSize
BufferIn.dwOffsetLow = 0;
BufferIn.dwOffsetHigh = 0;
m_dwPostSize = (DWORD)lPostSize;
m_dwUploaded = 0;
// Add a message to log
m_Assync->SetProgress(_T("Sending HTTP request..."), 0);
// Send request
if(!HttpSendRequestEx( hRequest, &BufferIn, NULL, 0, 0))
{
m_Assync->SetProgress(_T("HttpSendRequestEx has failed."), 0);
goto cleanup;
}
// Write text fields
for(it=m_Request.m_aTextFields.begin(); it!=m_Request.m_aTextFields.end(); it++)
{
bRet = WriteTextPart(hRequest, it->first);
if(!bRet)
goto cleanup;
}
// Write attachments
for(it2=m_Request.m_aIncludedFiles.begin(); it2!=m_Request.m_aIncludedFiles.end(); it2++)
{
bRet = WriteAttachmentPart(hRequest, it2->first);
if(!bRet)
goto cleanup;
}
// Write boundary
bRet = WriteTrailingBoundary(hRequest);
if(!bRet)
goto cleanup;
// Add a message to log
m_Assync->SetProgress(_T("Ending HTTP request..."), 0);
// End request
if(!HttpEndRequest(hRequest, NULL, 0, 0))
{
m_Assync->SetProgress(_T("HttpEndRequest has failed."), 0);
goto cleanup;
}
// Add a message to log
m_Assync->SetProgress(_T("Reading server response..."), 0);
// Get HTTP response code from HTTP headers
DWORD lHttpStatus = 0;
DWORD lHttpStatusSize = sizeof(lHttpStatus);
BOOL bQueryInfo = HttpQueryInfo(hRequest, HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER,
&lHttpStatus, &lHttpStatusSize, 0);
if(bQueryInfo)
{
sMsg.Format(_T("Server response code: %ld"), lHttpStatus);
m_Assync->SetProgress(sMsg, 0);
}
// Read HTTP response
InternetReadFile(hRequest, pBuffer, 4095, &dwBuffSize);
pBuffer[dwBuffSize] = 0;
sMsg = CString((LPCSTR)pBuffer, dwBuffSize);
sMsg = _T("Server response body:") + sMsg;
m_Assync->SetProgress(sMsg, 0);
// If the first byte of HTTP response is a digit, than assume a legacy way
// of determining delivery status - the HTTP response starts with a delivery status code
if(dwBuffSize>0 && pBuffer[0]>='0' && pBuffer[0]<='9')
{
m_Assync->SetProgress(_T("Assuming legacy method of determining delivery status (from HTTP response body)."), 0);
// Get status code from HTTP response
if(atoi((LPCSTR)pBuffer)!=200)
{
m_Assync->SetProgress(_T("Failed (HTTP response body doesn't start with code 200)."), 100, false);
goto cleanup;
}
break;
}
else
{
// If the first byte of HTTP response is not a digit, assume that
// the delivery status should be read from HTTP header
// Check if we have a redirect (302 response code)
if(bQueryInfo && lHttpStatus==302)
{
// Check for multiple redirects
if(bRedirect)
{
m_Assync->SetProgress(_T("Multiple redirects are not allowed."), 100, false);
goto cleanup;
}
bRedirect = TRUE;
TCHAR szBuffer[1024]=_T("");
DWORD dwBuffSize = sizeof(szBuffer)*sizeof(TCHAR);
DWORD nIndex = 0;
BOOL bQueryInfo = HttpQueryInfo(hRequest, HTTP_QUERY_LOCATION,
szBuffer,
&dwBuffSize,
&nIndex);
if(!bQueryInfo)
{
m_Assync->SetProgress(_T("Failed to redirect."), 100, false);
goto cleanup;
}
else
{
// Parse the redirect URL
ParseURL(szBuffer, szProtocol, 512, szServer, 512, dwPort, szURI, 1024);
CString sMsg;
sMsg.Format(_T("Redirecting to %s"), szBuffer);
m_Assync->SetProgress(sMsg, 0, true);
continue;
}
}
// Check for server response code - expected code 200
if(!bQueryInfo || lHttpStatus!=200)
{
m_Assync->SetProgress(_T("Failed (HTTP response code is not equal to 200)."), 100, false);
goto cleanup;
}
break;
}
}
// Add a message to log
m_Assync->SetProgress(_T("Error report has been sent OK!"), 100, false);
bStatus = TRUE;
cleanup:
if(!bStatus)
{
// Add a message to log
m_Assync->SetProgress(_T("Error sending HTTP request."), 100, false);
}
// Clean up
if(hRequest)
InternetCloseHandle(hRequest);
// Clean up internet handle
if(hConnect)
InternetCloseHandle(hConnect);
// Clean up internet session
if(hSession)
InternetCloseHandle(hSession);
// Notify about completion
m_Assync->SetCompleted(bStatus?0:1);
return bStatus;
}