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https://github.com/gnustep/libs-gsweb.git
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a0b34ee1ee
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@5815 72102866-910b-0410-8b05-ffd578937521
310 lines
11 KiB
C
310 lines
11 KiB
C
/* GSWURLUtil.c - GSWeb: Adaptors: URL Utils
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Copyright (C) 1999 Free Software Foundation, Inc.
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Written by: Manuel Guesdon <mguesdon@sbuilders.com>
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Date: Jully 1999
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This file is part of the GNUstep Web Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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//<PREFIX>/<APPLICATION-NAME>[ApplicationSuffix[/<APPLICATION-NUMBER>][/<REQUEST-HANDLER-KEY>[/<REQUEST-HANDLER-PATH>]]][?<QUERY-STRING>]
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include "config.h"
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#include "GSWUtil.h"
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#include "GSWDict.h"
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#include "GSWConfig.h"
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#include "GSWURLUtil.h"
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GSWURLError GSWParseURL(GSWURLComponents* p_pURLComponents,CONST char* p_pszURL)
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{
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GSWURLError eError=GSWURLError_OK;
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GSWURLComponent* pURLCPrefix=&p_pURLComponents->stPrefix;
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GSWURLComponent* pURLCVersion=&p_pURLComponents->stVersion;
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GSWURLComponent* pURLCAppName=&p_pURLComponents->stAppName;
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GSWURLComponent* pURLCAppNum=&p_pURLComponents->stAppNumber;
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GSWURLComponent* pURLCReqHandlerKey=&p_pURLComponents->stRequestHandlerKey;
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GSWURLComponent* pURLCReqHandlerPath=&p_pURLComponents->stRequestHandlerPath;
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GSWURLComponent* pURLCQueryString=&p_pURLComponents->stQueryString;
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int iURLLen=p_pszURL ? strlen(p_pszURL) : 0;
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CONST char* pszStart=pszStart = (p_pszURL ? p_pszURL : "");
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CONST char *pszStop=NULL;
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CONST char *pszNext=NULL;
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CONST char* pszPrefix=NULL;
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CONST char *pszS=NULL;
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CONST char* pszURLEnd=p_pszURL+iURLLen;
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CONST char* pszQueryStringMark=strchr(pszStart,'?');
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CONST char* pszTmpStop=(pszQueryStringMark && pszQueryStringMark<pszURLEnd) ? pszQueryStringMark : pszURLEnd;
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int i, j;
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memset(p_pURLComponents,0,sizeof(GSWURLComponents));
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// First, get URL prefix
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pszPrefix=strcasestr(pszStart,g_szGSWeb_Prefix);
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if (pszPrefix && pszQueryStringMark && pszQueryStringMark<=pszPrefix)
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pszPrefix=NULL;
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if (pszPrefix)
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{
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CONST char* pszAppExtension=NULL;
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pszStop=pszPrefix+strlen(g_szGSWeb_Prefix);
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pszNext=*pszStop ? pszStop+1 : pszStop; // Drop the trailing /
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pURLCPrefix->pszStart = pszPrefix;
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pURLCPrefix->iLength = pszStop-pszStart;
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pURLCPrefix->iLength = max(pURLCPrefix->iLength,0);
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pURLCVersion->pszStart = g_szGSWeb_AdaptorVersion;
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pURLCVersion->iLength = strlen(g_szGSWeb_AdaptorVersion);
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// Get Application Name
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pszStart=pszNext;
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pszAppExtension=strcasestr(pszStart,g_szGSWeb_AppExtention);
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if (pszAppExtension)
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{
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if (pszQueryStringMark && pszQueryStringMark<=pszAppExtension)
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{
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pszAppExtension=NULL;
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pszStop=pszURLEnd;
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pszNext=pszStop;
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}
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else
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{
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pszStop=pszAppExtension;
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pszNext=pszStop+strlen(g_szGSWeb_AppExtention);
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};
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}
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else
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{
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pszStop=strchr(pszStart,'/');
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if (pszStop && pszQueryStringMark && pszQueryStringMark<=pszStop)
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pszStop=pszQueryStringMark-1;
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if (pszStop)
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pszNext=pszStop+1;
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else
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{
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pszStop=pszTmpStop;
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pszNext=NULL;
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};
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};
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pURLCAppName->pszStart = pszStart;
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pURLCAppName->iLength = pszStop-pszStart;
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pURLCAppName->iLength = max(pURLCAppName->iLength,0);
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// Drop trailing slashes
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while(pURLCAppName->iLength && pURLCAppName->pszStart[pURLCAppName->iLength-1]== '/')
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pURLCAppName->iLength--;
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pURLCAppName->iLength = max(pURLCAppName->iLength,0);
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// Get Instance Number
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pszStart = pszNext;
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if (!pszStart)
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{
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pURLCAppNum->pszStart="";
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pURLCAppNum->iLength=0;
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}
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else
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{
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// Skip slashes
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while(*pszStart=='/')
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pszStart++;
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// Find
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for (pszS=pszStart;pszS<pszTmpStop && *pszS!='/';pszS++);
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pszStop= pszS;
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pszNext=(pszStop<pszTmpStop) ? pszStop+1 : pszStop;
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pURLCAppNum->pszStart = pszStart;
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pURLCAppNum->iLength = pszStop-pszStart;
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pURLCAppNum->iLength = max(pURLCAppNum->iLength,0);
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// -1 case ?
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if (!(pURLCAppNum->iLength==2
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&& pURLCAppNum->pszStart[0]=='-'
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&& pURLCAppNum->pszStart[1]=='1'))
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{
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// Test if alldigits
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for (pszS=pszStart;pszS<pszStop && isdigit(*pszS);pszS++);
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if (pszS!=pszStop)
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{
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// not all digits, so it's the request handler key !
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pURLCReqHandlerKey->pszStart = pURLCAppNum->pszStart;
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pURLCReqHandlerKey->iLength = pURLCAppNum->iLength;
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pURLCReqHandlerKey->iLength = max(pURLCReqHandlerKey->iLength,0);
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pURLCAppNum->pszStart="";
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pURLCAppNum->iLength=0;
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}
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else
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{
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pszStart=pszNext;
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// Skip slashes
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while(*pszStart=='/')
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pszStart++;
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for (pszS=pszStart;pszS<pszTmpStop && *pszS!='/';pszS++);
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pszStop = pszS;
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pURLCReqHandlerKey->pszStart = pszStart;
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pURLCReqHandlerKey->iLength = pszStop-pszStart;
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pURLCReqHandlerKey->iLength = max(pURLCReqHandlerKey->iLength,0);
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pszNext=(pszStop<pszTmpStop) ? pszStop+1 : pszStop;
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};
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};
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// Get Request Handler Path
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pszStart = pszNext;
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for (pszS=pszStart;pszS<pszTmpStop;pszS++);
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pszStop = pszS;
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pURLCReqHandlerPath->pszStart = pszStart;
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pURLCReqHandlerPath->iLength = pszStop-pszStart;
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pURLCReqHandlerPath->iLength = max(pURLCReqHandlerPath->iLength,0);
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pszNext=(pszStop<pszTmpStop) ? pszStop+1 : pszStop;
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pszStart=pszNext;
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};
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// Query String
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if (!pszStart)
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pszStart=pszTmpStop;
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pURLCQueryString->pszStart = pszStart;
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pURLCQueryString->iLength = pszURLEnd - pszStart;
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pURLCQueryString->iLength = max(pURLCQueryString->iLength,0);
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};
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if (!pURLCPrefix->pszStart || pURLCPrefix->iLength<=0)
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{
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eError=GSWURLError_InvalidPrefix;
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GSWLog(GSW_ERROR,NULL,"ParseURL GSWURLError_InvalidPrefix");
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}
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else if (!pURLCAppName->pszStart || pURLCAppName->iLength<=0)
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{
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eError=GSWURLError_InvalidAppName;
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GSWLog(GSW_ERROR,NULL,"ParseURL GSWURLError_InvalidAppName");
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}
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else if (!pURLCAppNum->pszStart)
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{
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eError=GSWURLError_InvalidAppNumber;
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GSWLog(GSW_ERROR,NULL,"ParseURL GSWURLError_InvalidAppNumber");
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}
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else if ((!pURLCReqHandlerKey->pszStart || pURLCReqHandlerKey->iLength<=0)
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&& pURLCReqHandlerPath->iLength>0)
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{
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eError=GSWURLError_InvalidRequestHandlerKey;
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GSWLog(GSW_ERROR,NULL,"ParseURL GSWURLError_InvalidRequestHandlerKey");
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}
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/*
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else if (!pURLCReqHandlerPath->pszStart || pURLCReqHandlerPath->iLength<=0)
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eError=GSWURLError_InvalidRequestHandlerPath;
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else if (!pURLCQueryString->pszStart || pURLCQueryString->iLength<=0)
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eError=GSWURLError_InvalidQueryString;
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*/
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GSWLog(GSW_INFO,NULL,"End ParseURL eError=%d",eError);
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return eError;
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};
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void GSWComposeURL(char* p_pszURL,GSWURLComponents* p_pURLComponents)
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{
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GSWURLComponent* pURLCPrefix=&p_pURLComponents->stPrefix;
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GSWURLComponent* pURLCAppName=&p_pURLComponents->stAppName;
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GSWURLComponent* pURLCAppNum=&p_pURLComponents->stAppNumber;
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GSWURLComponent* pURLCReqHandlerKey=&p_pURLComponents->stRequestHandlerKey;
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GSWURLComponent* pURLCReqHandlerPath=&p_pURLComponents->stRequestHandlerPath;
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GSWURLComponent* pURLCQueryString=&p_pURLComponents->stQueryString;
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strncpy(p_pszURL,pURLCPrefix->pszStart, pURLCPrefix->iLength);
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p_pszURL+=pURLCPrefix->iLength;
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*p_pszURL++='/';
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strncpy(p_pszURL, pURLCAppName->pszStart, pURLCAppName->iLength);
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p_pszURL+= pURLCAppName->iLength;
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strcpy(p_pszURL,g_szGSWeb_AppExtention);
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p_pszURL+=strlen(g_szGSWeb_AppExtention);
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if (pURLCAppNum->iLength>0)
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{
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*p_pszURL++='/';
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strncpy(p_pszURL,pURLCAppNum->pszStart,pURLCAppNum->iLength);
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p_pszURL+= pURLCAppNum->iLength;
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};
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if (pURLCReqHandlerKey->iLength>0)
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{
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*p_pszURL++='/';
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strncpy(p_pszURL, pURLCReqHandlerKey->pszStart,pURLCReqHandlerKey->iLength);
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p_pszURL+= pURLCReqHandlerKey->iLength;
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};
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if (pURLCReqHandlerPath->iLength>0)
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{
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*p_pszURL++='/';
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strncpy(p_pszURL, pURLCReqHandlerPath->pszStart,pURLCReqHandlerPath->iLength);
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p_pszURL+= pURLCReqHandlerPath->iLength;
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};
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if (pURLCQueryString->iLength>0)
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{
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*p_pszURL++='?';
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strncpy(p_pszURL,pURLCQueryString->pszStart,pURLCQueryString->iLength);
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p_pszURL+= pURLCQueryString->iLength;
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};
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*p_pszURL=0;
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};
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int GSWComposeURLLen(GSWURLComponents* p_pURLComponents)
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{
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int iLength=0;
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GSWURLComponent* pURLCPrefix=&p_pURLComponents->stPrefix;
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GSWURLComponent* pURLCAppName=&p_pURLComponents->stAppName;
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GSWURLComponent* pURLCAppNum=&p_pURLComponents->stAppNumber;
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GSWURLComponent* pURLCReqHandlerKey=&p_pURLComponents->stRequestHandlerKey;
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GSWURLComponent* pURLCReqHandlerPath=&p_pURLComponents->stRequestHandlerPath;
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GSWURLComponent* pURLCQueryString=&p_pURLComponents->stQueryString;
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iLength+=pURLCPrefix->iLength;
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iLength+=1+pURLCAppName->iLength;
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iLength+=strlen(g_szGSWeb_AppExtention);
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if (pURLCAppNum->iLength>0)
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iLength+= 1+pURLCAppNum->iLength;
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if (pURLCReqHandlerKey->iLength>0)
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iLength+=1+pURLCReqHandlerKey->iLength;
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if (pURLCReqHandlerPath->iLength>0)
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iLength+= 1+pURLCReqHandlerPath->iLength;
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if (pURLCQueryString->iLength>0)
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iLength+=1+pURLCQueryString->iLength;
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return iLength;
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};
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CONST char* szGSWURLErrorMessage[]=
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{
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"", // GSWURLError_OK
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"Invalid prefix in URL", // GSWURLError_InvalidPrefix
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"Invalid version in URL", // GSWURLError_InvalidVersion
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"Invalid application name", // GSWURLError_InvalidAppName
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"Invalid application number in URL", // GSWURLError_InvalidAppNumber,
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"Invalid request handler key in URL", // GSWURLError_InvalidRequestHandlerKey,
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"Invalid request handler path in URL", // GSWURLError_InvalidRequestHandlerPath,
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"Invalid application host name in URL", // GSWURLError_InvalidAppHost,
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"Invalid page name in URL", // GSWURLError_InvalidPageName,
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"Invalid session ID in URL", // GSWURLError_InvalidSessionID,
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"Invalid context ID in URL", // GSWURLError_InvalidContextID,
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"Invalid sender ID in URL", // GSWURLError_InvalidSenderID,
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"Invalid query string in URL", // GSWURLError_InvalidQueryString,
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"Invalid suffix in URL" // GSWURLError_InvalidSuffix
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};
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CONST char* GSWURLErrorMessage(GSWURLError p_eError)
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{
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if (p_eError>=0 && p_eError<sizeof(szGSWURLErrorMessage)/sizeof(szGSWURLErrorMessage[0]))
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return szGSWURLErrorMessage[p_eError];
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else
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return "";
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};
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