407 lines
13 KiB
C++
407 lines
13 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Copyright (C) 1996 - 1998, Microsoft Corporation.
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//
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// File: gibralt.hxx
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//
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// Contents: Abstraction of the interface to gibraltar
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//
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// History: 96/Jan/3 DwightKr Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <iisext.h>
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#include <wininet.h>
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#include <weblcid.hxx>
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#include <ci64.hxx>
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#define HTTP_HEADER "200 OK"
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#define HTTP_DATA "Content-Type: text/html\r\n\r\n"
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#define CANONIC_DATA "Content-Type: application/octet-stream\r\n\r\n"
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#define GIFIMAGE_DATA "Content-Type: image/gif\r\n\r\n"
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#define JPEGIMAGE_DATA "Content-Type: image/jpeg\r\n\r\n"
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//+---------------------------------------------------------------------------
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//
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// Class: CWebServer
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//
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// Purpose: An abstraction of the interface to gibraltar
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//
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// History: 96/Jan/23 DwightKr Created
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// 96-Mar-01 DwightKr Added copy constructor
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//
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//----------------------------------------------------------------------------
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class CWebServer
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{
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public:
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CWebServer( EXTENSION_CONTROL_BLOCK *pEcb ) : _pEcb( pEcb ),
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_fWroteHeader( FALSE ),
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_codePage( GetACP() ),
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_lcid( InvalidLCID ),
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_ccLocale( 0 ) {}
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void SetCodePage( UINT codePage ) { _codePage = codePage; }
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BOOL GetCGIVariable( CHAR const * pszVariableName,
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CHAR * pbBuffer,
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ULONG * pcbBuffer )
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{
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Win4Assert ( IsValid() );
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return _pEcb->GetServerVariable( _pEcb->ConnID,
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(char *) pszVariableName,
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pbBuffer,
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pcbBuffer );
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}
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BOOL GetCGIVariable( CHAR const * pszVariableName,
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XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer );
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BOOL GetCGIVariableW( WCHAR const * wcsVariableName,
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XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer );
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BOOL GetCGI_REQUEST_METHOD( XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer )
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{
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Win4Assert( 0 != _pEcb->lpszMethod );
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if ( 0 == * (_pEcb->lpszMethod) )
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return FALSE;
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cwcBuffer = MultiByteToXArrayWideChar( (BYTE const *) _pEcb->lpszMethod,
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strlen( _pEcb->lpszMethod ),
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_codePage,
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wcsValue );
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return TRUE;
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}
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BOOL GetCGI_QUERY_STRING( XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer )
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{
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Win4Assert( 0 != _pEcb->lpszQueryString );
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if ( 0 == * (_pEcb->lpszQueryString) )
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return FALSE;
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cwcBuffer = MultiByteToXArrayWideChar( (BYTE const *) _pEcb->lpszQueryString,
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strlen( _pEcb->lpszQueryString ),
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_codePage,
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wcsValue );
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return TRUE;
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}
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BOOL GetCGI_PATH_INFO( XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer )
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{
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Win4Assert( 0 != _pEcb->lpszPathInfo );
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if ( 0 == * (_pEcb->lpszPathInfo) )
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return FALSE;
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cwcBuffer = MultiByteToXArrayWideChar( (BYTE const *) _pEcb->lpszPathInfo,
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strlen( _pEcb->lpszPathInfo ),
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_codePage,
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wcsValue );
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return TRUE;
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}
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BOOL GetCGI_PATH_TRANSLATED( XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer )
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{
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Win4Assert( 0 != _pEcb->lpszPathTranslated );
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if ( 0 == * (_pEcb->lpszPathTranslated) )
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return FALSE;
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cwcBuffer = MultiByteToXArrayWideChar( (BYTE const *) _pEcb->lpszPathTranslated,
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strlen( _pEcb->lpszPathTranslated ),
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_codePage,
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wcsValue );
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return TRUE;
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}
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BOOL GetCGI_PATH_TRANSLATED( WCHAR *pwcPath,
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ULONG &cwcBuffer )
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{
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Win4Assert( 0 != _pEcb->lpszPathTranslated );
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Win4Assert( 0 != * ( _pEcb->lpszPathTranslated ) );
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cwcBuffer = MultiByteToWideChar(
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CP_ACP,
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0,
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(const char *) _pEcb->lpszPathTranslated,
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strlen(_pEcb->lpszPathTranslated) + 1,
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pwcPath,
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cwcBuffer );
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return 0 != cwcBuffer;
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}
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BOOL GetCGI_CONTENT_TYPE( XArray<WCHAR> & wcsValue,
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ULONG & cwcBuffer )
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{
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Win4Assert( 0 != _pEcb->lpszContentType );
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if ( 0 == * (_pEcb->lpszContentType) )
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return FALSE;
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cwcBuffer = MultiByteToXArrayWideChar( (BYTE const *) _pEcb->lpszContentType,
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strlen( _pEcb->lpszContentType ),
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_codePage,
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wcsValue );
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return TRUE;
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}
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DWORD GetPhysicalPath( WCHAR const * wcsVirtualPath,
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WCHAR * wcsPhysicalPath,
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ULONG cwcPhysicalPath,
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DWORD dwAccessMask = 0 ); // HSE_URL_FLAGS_*
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void SetHttpStatus( DWORD dwStatus )
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{
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Win4Assert ( IsValid() );
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Win4Assert( _pEcb->dwHttpStatusCode >= HTTP_STATUS_FIRST );
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Win4Assert( _pEcb->dwHttpStatusCode <= HTTP_STATUS_LAST );
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Win4Assert( dwStatus >= HTTP_STATUS_FIRST );
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Win4Assert( dwStatus <= HTTP_STATUS_LAST );
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_pEcb->dwHttpStatusCode = dwStatus;
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}
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DWORD GetHttpStatus() const
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{
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Win4Assert ( IsValid() );
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Win4Assert( _pEcb->dwHttpStatusCode >= HTTP_STATUS_FIRST );
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Win4Assert( _pEcb->dwHttpStatusCode <= HTTP_STATUS_LAST );
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return _pEcb->dwHttpStatusCode;
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}
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const CHAR * GetQueryString() const
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{
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Win4Assert ( IsValid() );
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return (const CHAR *) _pEcb->lpszQueryString;
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}
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const CHAR * GetMethod() const
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{
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Win4Assert ( IsValid() );
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return (const CHAR *) _pEcb->lpszMethod;
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}
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const CHAR * GetClientData( DWORD & cbData ) const
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{
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Win4Assert ( IsValid() );
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cbData = _pEcb->cbAvailable;
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return (const CHAR *) _pEcb->lpbData;
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}
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BOOL IsValid() const { return _pEcb != 0; }
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BOOL WriteHeader( const char * pszData = HTTP_DATA,
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const char * pszHeader = HTTP_HEADER )
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{
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Win4Assert( !_fWroteHeader );
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Win4Assert ( IsValid() );
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_fWroteHeader = TRUE;
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DWORD dwDataSize = pszData != 0 ? strlen(pszData)+1 : 0;
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return _pEcb->ServerSupportFunction( _pEcb->ConnID,
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HSE_REQ_SEND_RESPONSE_HEADER,
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(LPVOID) pszHeader,
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&dwDataSize,
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(LPDWORD)pszData);
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}
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BOOL WriteClient( const WCHAR * wcsMessage )
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{
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Win4Assert ( IsValid() );
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if (! _fWroteHeader && ! WriteHeader() )
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return FALSE;
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DWORD cwcMessage = wcslen( (WCHAR *) wcsMessage ) + 1;
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XArray<BYTE> pszMessage ( cwcMessage + cwcMessage/8 );
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DWORD cbMessage = WideCharToXArrayMultiByte( wcsMessage,
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cwcMessage,
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_codePage,
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pszMessage );
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return _pEcb->WriteClient( _pEcb->ConnID,
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pszMessage.Get(),
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&cbMessage,
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0 );
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}
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BOOL WriteClient( CVirtualString & vsMessage )
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{
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Win4Assert ( IsValid() );
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if (! _fWroteHeader && ! WriteHeader() )
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return FALSE;
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DWORD cwcMessage = vsMessage.StrLen() + 1;
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XArray<BYTE> pszMessage( cwcMessage + cwcMessage/8 );
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DWORD cbMessage = WideCharToXArrayMultiByte( vsMessage.Get(),
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cwcMessage,
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_codePage,
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pszMessage );
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return _pEcb->WriteClient( _pEcb->ConnID,
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pszMessage.Get(),
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&cbMessage,
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0 );
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}
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BOOL WriteClient( const BYTE * pcsMessage, DWORD ccMessage )
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{
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Win4Assert ( IsValid() );
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if (! _fWroteHeader && !WriteHeader() )
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return FALSE;
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return _pEcb->WriteClient( _pEcb->ConnID,
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(void *) pcsMessage,
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&ccMessage,
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0 );
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}
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void RawWriteClient( BYTE * pbData, ULONG cbData )
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{
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Win4Assert ( IsValid() );
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_pEcb->WriteClient( _pEcb->ConnID,
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pbData,
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&cbData,
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0 );
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}
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BOOL ReleaseSession( DWORD dwStatus )
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{
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Win4Assert ( IsValid() );
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Win4Assert( HTTP_STATUS_ACCEPTED != _pEcb->dwHttpStatusCode );
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BOOL fSuccess = _pEcb->ServerSupportFunction( _pEcb->ConnID,
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HSE_REQ_DONE_WITH_SESSION,
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&dwStatus,
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0, 0 );
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_pEcb = 0;
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return fSuccess;
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}
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// void WriteLogData( WCHAR const * wcsLogData );
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UINT CodePage() { return _codePage; }
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inline void SetLCID( LCID lcid,
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WCHAR const * pwszLocale,
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unsigned ccLocale );
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BOOL IsLCIDValid() { return (InvalidLCID != _lcid); }
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LCID GetLCID() { return _lcid; }
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unsigned LocaleSize() { return _ccLocale; }
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WCHAR const * GetLocale() { return _wszLocale; }
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ULONG GetServerInstance()
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{
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//
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// Retrieve the metabase instance number of the ISAPI request
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//
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char acBuf[ 40 ];
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ULONG cbBuf = sizeof acBuf;
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if ( !GetCGIVariable( "INSTANCE_ID", acBuf, &cbBuf ) )
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THROW( CException( HRESULT_FROM_WIN32( ERROR_INVALID_PARAMETER ) ) );
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ULONG ulInstance = atoi( acBuf );
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Win4Assert( 0 != ulInstance );
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return ulInstance;
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}
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BOOL IsPortSecure()
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{
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//
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// Returns TRUE if the port is SSL secured, FALSE otherwise.
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// There is no way to switch the setting on the fly; the only
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// way to enable SSL is to mark the vdir as SSL secured in the
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// metabase.
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//
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char acBuf[ 40 ];
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ULONG cbBuf = sizeof acBuf;
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if ( ! _pEcb->GetServerVariable( _pEcb->ConnID,
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"HTTPS", //PORT_SECURE",
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acBuf,
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&cbBuf ) )
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THROW( CException( HRESULT_FROM_WIN32( ERROR_INVALID_PARAMETER ) ) );
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return ( !_stricmp( acBuf, "on" ) );
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}
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private:
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EXTENSION_CONTROL_BLOCK *_pEcb;
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BOOL _fWroteHeader;
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UINT _codePage;
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LCID _lcid;
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WCHAR _wszLocale[16]; // Don't optimize long locales
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unsigned _ccLocale;
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};
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DWORD ProcessWebRequest( CWebServer & webServer );
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//+---------------------------------------------------------------------------
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//
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// Member: CWebServer::SetLCID, public
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//
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// Synopsis: Caches locale info for fast access
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//
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// Arguments: [lcid] -- Locale ID
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// [pwszLocale] -- String version of LCID (e.g. "EN-US")
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// [ccLocale] -- Size in characters of [pwszLocale], including null.
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//
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// History: 11-Jun-97 KyleP Created
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//
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//----------------------------------------------------------------------------
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inline void CWebServer::SetLCID( LCID lcid,
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WCHAR const * pwszLocale,
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unsigned ccLocale )
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{
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if ( lcid == _lcid )
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return;
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if ( ccLocale <= sizeof(_wszLocale)/sizeof(WCHAR) )
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{
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RtlCopyMemory( _wszLocale, pwszLocale, ccLocale * sizeof(WCHAR) );
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_ccLocale = ccLocale;
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_lcid = lcid;
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}
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else
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{
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//
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// Just take first component
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//
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WCHAR * pwc = wcschr( pwszLocale, L',' );
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if ( (pwc - pwszLocale) < sizeof(_wszLocale)/sizeof(WCHAR) )
|
||
|
|
{
|
||
|
|
_ccLocale = CiPtrToUint( pwc - pwszLocale );
|
||
|
|
_lcid = lcid;
|
||
|
|
|
||
|
|
RtlCopyMemory( _wszLocale, pwszLocale, _ccLocale * sizeof(WCHAR) );
|
||
|
|
|
||
|
|
_wszLocale[_ccLocale] = 0;
|
||
|
|
_ccLocale++;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
THROW( CException(E_FAIL) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|