http://snippets.dzone.com/posts Mon, 06 Oct 2008 10:58:11 GMT DZone Snippets: ISAPI code http://snippets.dzone.com/posts/show/4225 // description of your code here <br /><code> <br />#include <windows.h> <br />#include <httpfilt.h> <br /> <br />#define MAX_URL_LEN 4096 <br /> <br />BOOL WINAPI GetFilterVersion(HTTP_FILTER_VERSION * pVer) <br />{ <br /> pVer->dwFlags = (SF_NOTIFY_SECURE_PORT | SF_NOTIFY_NONSECURE_PORT | SF_NOTIFY_PREPROC_HEADERS | SF_NOTIFY_ORDER_HIGH); <br /> pVer->dwFilterVersion = HTTP_FILTER_REVISION; <br /> strcpy_s(pVer->lpszFilterDesc,9,"Blah blah blah"); <br /> return TRUE; <br />} <br /> <br />void ReMapURLs(CHAR* pUrl,HTTP_FILTER_CONTEXT* pfc,PHTTP_FILTER_PREPROC_HEADERS pHeaders) <br />{ <br /> if (pUrl[0] != '/') return; <br /> <br /> CHAR *iUrl = 0; <br /> BOOL doSet = FALSE; <br /> <br /> char *sOldUrls[] = { "/test/", "/TEST/" }; <br /> char *sNewUrls[] = { "/go/", "/GO/" }; <br /> <br /> for (int i=0; i<2; i++) <br /> { <br /> if (iUrl = strstr(pUrl,sOldUrls[i])) <br /> { <br /> doSet = TRUE; <br /> memcpy(iUrl,sNewUrls[i],strlen(sNewUrls[i])); <br /> } <br /> } <br /> <br /> if (doSet) pHeaders->SetHeader(pfc, "url", pUrl); <br />} <br /> <br />DWORD WINAPI HttpFilterProc(HTTP_FILTER_CONTEXT *pfc,DWORD NotificationType,VOID * pvData) <br />{ <br /> PHTTP_FILTER_PREPROC_HEADERS pHeaders; <br /> DWORD cUrlOrig = MAX_URL_LEN; <br /> DWORD cUrl = cUrlOrig; <br /> CHAR rgUrl[MAX_URL_LEN]; <br /> CHAR *pUrl; <br /> BOOL result; <br /> <br /> switch ( NotificationType ) <br /> { <br /> case SF_NOTIFY_PREPROC_HEADERS: <br /> pHeaders = (PHTTP_FILTER_PREPROC_HEADERS) pvData; <br /> result = pHeaders->GetHeader(pfc, "url", rgUrl, &cUrl); <br /> <br /> if (!result && cUrl > cUrlOrig) <br /> { <br /> pUrl = (CHAR*)LocalAlloc(0, cUrl); <br /> result = pHeaders->GetHeader(pfc, "url", pUrl, &cUrl); <br /> if (!result) <br /> { <br /> LocalFree(pUrl); <br /> break; <br /> } <br /> ReMapURLs(pUrl, pfc, pHeaders); <br /> LocalFree(pUrl); <br /> } <br /> else <br /> ReMapURLs(rgUrl, pfc, pHeaders); <br /> break; <br /> default: <br /> break; <br /> } <br /> return SF_STATUS_REQ_NEXT_NOTIFICATION; <br />} <br /></code> Fri, 29 Jun 2007 08:01:32 GMT http://snippets.dzone.com/posts/show/4225 mornlee (mornlee)