source: trunk/zoo-project/zoo-kernel/zoo_loader.c @ 376

Last change on this file since 376 was 376, checked in by djay, 7 years ago

Add _ method to the zoo Python module to enable translation from zoo-services textdomain. Add gettextPath in the main section of the main.cfg to set the directory to search for language files.

  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 9.7 KB
Line 
1/**
2 * Author : Gérald FENOY
3 *
4 *  Copyright 2008-2011 GeoLabs SARL. All rights reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25#define MALLOC_CHECK_ 0
26#define MALLOC_CHECK 0
27
28/**
29 * Specific includes
30 */
31#ifndef WIN32
32#include "fcgio.h"
33#include "fcgi_config.h"
34#include "fcgi_stdio.h"
35#endif
36#include <sys/types.h>
37#include <unistd.h>
38#include "service_internal.h"
39#ifdef WIN32
40#include "windows.h"
41#define strtok_r strtok_s
42#endif
43
44extern "C" {
45#include "cgic.h"
46#include <libxml/tree.h>
47#include <libxml/xmlmemory.h>
48#include <libxml/parser.h>
49#include <libxml/xpath.h>
50#include <libxml/xpathInternals.h>
51}
52
53#include "service_internal.h"
54
55xmlXPathObjectPtr extractFromDoc(xmlDocPtr,const char*);
56int runRequest(map*);
57
58using namespace std;
59
60#ifndef TRUE
61#define TRUE 1
62#endif
63#ifndef FALSE
64#define FALSE -1
65#endif
66
67int cgiMain(){
68  /**
69   * We'll use cgiOut as the default output (stdout) to produce plain text
70   * response.
71   */
72  dup2(fileno(cgiOut),fileno(stdout));
73#ifdef DEBUG
74  fprintf(cgiOut,"Content-Type: text/plain; charset=utf-8\r\nStatus: 200 OK\r\n\r\n");
75  fprintf(cgiOut,"Welcome on ZOO verbose debuging mode \r\n\r\n");
76  fflush(cgiOut);
77  fprintf (stderr, "Addr:%s\n", cgiRemoteAddr); 
78  fprintf (stderr, "RequestMethod: (%s) %d %d\n", cgiRequestMethod,strncasecmp(cgiRequestMethod,"post",4),strncmp(cgiContentType,"text/xml",8)==0 || strncasecmp(cgiRequestMethod,"post",4)==0); 
79  fprintf (stderr, "Request: %s\n", cgiQueryString);
80  fflush(stderr);
81#endif
82
83  char *strQuery=strdup(cgiQueryString);
84  map* tmpMap=NULL;
85
86  if(strncmp(cgiContentType,"text/xml",8)==0 || 
87     strncasecmp(cgiRequestMethod,"post",4)==0){
88    if(cgiContentLength==NULL){
89       cgiContentLength=0;
90       char *buffer=new char[2];
91       char *res=NULL;
92       int r=0;
93       while(r=fread(buffer,sizeof(char),1,cgiIn)){
94         cgiContentLength+=r;
95         if(res==NULL){
96           res=(char*)malloc(1*sizeof(char));
97           sprintf(res,"%s",buffer);
98         }
99         else{
100           res=(char*)realloc(res,(cgiContentLength+1)*sizeof(char));
101           char *tmp=strdup(res);
102           sprintf(res,"%s%s",tmp,buffer);
103           free(tmp);
104         }
105       }
106       if(res==NULL && (strQuery==NULL || strlen(strQuery)==0)){
107         return errorException(NULL,"ZOO-Kernel failed to process your request cause the request was emtpty.","InternalError");
108       }else{
109         if(strQuery==NULL || strlen(strQuery)==0)
110           tmpMap=createMap("request",res);
111       }
112    }else{
113      char *buffer=new char[cgiContentLength+1];
114      if(fread(buffer,sizeof(char),cgiContentLength,cgiIn)){
115        buffer[cgiContentLength]=0;
116        tmpMap=createMap("request",buffer);
117      }else{
118        buffer[0]=0;
119        char **array, **arrayStep;
120        if (cgiFormEntries(&array) != cgiFormSuccess) {
121          return 1;
122        }
123        arrayStep = array;
124        while (*arrayStep) {
125          char *ivalue=new char[cgiContentLength];
126          cgiFormStringNoNewlines(*arrayStep, ivalue, cgiContentLength);
127          char* tmpValueFinal=(char*) malloc((strlen(*arrayStep)+strlen(ivalue)+1)*sizeof(char));
128          sprintf(tmpValueFinal,"%s=%s",*arrayStep,ivalue);
129          if(strlen(buffer)==0){
130            sprintf(buffer,"%s",tmpValueFinal);
131          }else{
132            char *tmp=strdup(buffer);
133            sprintf(buffer,"%s&%s",tmp,tmpValueFinal);
134            free(tmp);
135          }
136          free(tmpValueFinal);
137#ifdef DEBUG
138          fprintf(stderr,"(( \n %s \n %s \n ))",*arrayStep,ivalue);
139#endif
140          delete[]ivalue;
141          arrayStep++;
142        }
143        tmpMap=createMap("request",buffer);
144      }
145      delete[]buffer;
146    }
147  }
148  else{
149#ifdef DEBUG
150    dumpMap(tmpMap);
151#endif
152    char **array, **arrayStep;
153    if (cgiFormEntries(&array) != cgiFormSuccess) {
154      return 1;
155    }
156    arrayStep = array;
157    while (*arrayStep) {
158      char *value=new char[cgiContentLength];
159      cgiFormStringNoNewlines(*arrayStep, value, cgiContentLength);
160#ifdef DEBUG
161      fprintf(stderr,"(( \n %s \n %s \n ))",*arrayStep,value);
162#endif
163      if(tmpMap!=NULL)
164        addToMap(tmpMap,*arrayStep,value);
165      else
166        tmpMap=createMap(*arrayStep,value);
167      arrayStep++;
168      delete[]value;
169    }
170    cgiStringArrayFree(array);
171  }
172
173  /**
174   * In case that the POST method was used, then check if params came in XML
175   * format else try to use the attribute "request" which should be the only
176   * one.
177   */
178  if(strncasecmp(cgiRequestMethod,"post",4)==0 || 
179     (count(tmpMap)==1 && strncmp(tmpMap->value,"<",1)==0)){
180    /**
181     * First include the MetaPath and the ServiceProvider default parameters
182     * (which should be always available in GET params so in cgiQueryString)
183     */
184    char *str1;
185    str1=cgiQueryString;
186    /**
187     * Store the original XML request in xrequest map
188     */
189    map* t1=getMap(tmpMap,"request");
190    if(t1!=NULL && strncasecmp(t1->value,"<",1)==0){
191      addToMap(tmpMap,"xrequest",t1->value);
192      xmlInitParser();
193      xmlDocPtr doc = xmlParseMemory(t1->value,cgiContentLength);
194
195
196      {
197        xmlXPathObjectPtr reqptr=extractFromDoc(doc,"/*[local-name()='Envelope']/*[local-name()='Body']/*");
198        if(reqptr!=NULL){
199          xmlNodeSet* req=reqptr->nodesetval;
200          if(req!=NULL && req->nodeNr==1){
201            addToMap(tmpMap,"soap","true");
202            int k=0;
203            for(k;k < req->nodeNr;k++){
204              xmlNsPtr ns=xmlNewNs(req->nodeTab[k],BAD_CAST "http://www.w3.org/2001/XMLSchema-instance",BAD_CAST "xsi");
205              xmlDocSetRootElement(doc, req->nodeTab[k]);
206              xmlChar *xmlbuff;
207              int buffersize;
208              xmlDocDumpFormatMemoryEnc(doc, &xmlbuff, &buffersize, "utf-8", 1);
209              addToMap(tmpMap,"xrequest",(char*)xmlbuff);
210              char *tmp=(char*)xmlbuff;
211              fprintf(stderr,"%s\n",tmp);
212              xmlFree(xmlbuff);
213            }
214          }
215        }
216      }
217
218      xmlNodePtr cur = xmlDocGetRootElement(doc);
219      char *tval;
220      tval=NULL;
221      tval = (char*) xmlGetProp(cur,BAD_CAST "service");
222      if(tval!=NULL)
223        addToMap(tmpMap,"service",tval);
224      tval=NULL;
225      tval = (char*) xmlGetProp(cur,BAD_CAST "language");
226      if(tval!=NULL)
227        addToMap(tmpMap,"language",tval);
228      const char* requests[3]={"GetCapabilities","DescribeProcess","Execute"};
229      for(int j=0;j<3;j++){
230        char tt[128];
231        sprintf(tt,"/*[local-name()='%s']",requests[j]);
232        xmlXPathObjectPtr reqptr=extractFromDoc(doc,tt);
233        if(reqptr!=NULL){
234          xmlNodeSet* req=reqptr->nodesetval;
235#ifdef DEBUG
236          fprintf(stderr,"%i",req->nodeNr);
237#endif
238          if(req!=NULL && req->nodeNr==1){
239            t1->value=strdup(requests[j]);
240            j=2;
241          }
242          xmlXPathFreeObject(reqptr);
243        }
244        //xmlFree(req);
245      }
246      if(strncasecmp(t1->value,"GetCapabilities",15)==0){
247        xmlXPathObjectPtr versptr=extractFromDoc(doc,"/*/*/*[local-name()='Version']");
248        xmlNodeSet* vers=versptr->nodesetval;
249        xmlChar* content=xmlNodeListGetString(doc, vers->nodeTab[0]->xmlChildrenNode,1);
250        addToMap(tmpMap,"version",(char*)content);
251        xmlXPathFreeObject(versptr);
252        //xmlFree(vers);
253        xmlFree(content);
254      }else{
255        tval=NULL;
256        tval = (char*) xmlGetProp(cur,BAD_CAST "version");
257        if(tval!=NULL)
258          addToMap(tmpMap,"version",tval);
259        xmlFree(tval);
260        tval = (char*) xmlGetProp(cur,BAD_CAST "language");
261        if(tval!=NULL)
262          addToMap(tmpMap,"language",tval);
263        xmlXPathObjectPtr idptr=extractFromDoc(doc,"/*/*[local-name()='Identifier']");
264        if(idptr!=NULL){
265          xmlNodeSet* id=idptr->nodesetval;
266          if(id!=NULL){
267            char* identifiers=NULL;
268            identifiers=(char*)calloc(cgiContentLength,sizeof(char));
269            identifiers[0]=0;
270            for(int k=0;k<id->nodeNr;k++){
271              xmlChar* content=xmlNodeListGetString(doc, id->nodeTab[k]->xmlChildrenNode,1);
272              if(strlen(identifiers)>0){
273                char *tmp=strdup(identifiers);
274                snprintf(identifiers,strlen(tmp)+xmlStrlen(content)+2,"%s,%s",tmp,content);
275                free(tmp);
276              }
277              else{
278                snprintf(identifiers,xmlStrlen(content)+1,"%s",content);
279              }
280              xmlFree(content);
281            }
282            xmlXPathFreeObject(idptr);
283            addToMap(tmpMap,"Identifier",identifiers);
284            free(identifiers);
285          }
286        }
287        //xmlFree(id);
288      }
289      xmlFree(tval);
290      xmlFreeDoc(doc);
291      xmlCleanupParser();
292    }else{
293      freeMap(&tmpMap);
294      free(tmpMap);
295      tmpMap=createMap("not_valid","true");
296    }
297
298    char *token,*saveptr;
299    token=strtok_r(cgiQueryString,"&",&saveptr);
300    while(token!=NULL){
301      char *token1,*saveptr1;
302      char *name=NULL;
303      char *value=NULL;
304      token1=strtok_r(token,"=",&saveptr1);
305      while(token1!=NULL){
306        if(name==NULL)
307          name=strdup(token1);
308        else
309          value=strdup(token1);
310        token1=strtok_r(NULL,"=",&saveptr1);
311      }
312      addToMap(tmpMap,name,value);
313      free(name);
314      free(value);
315      name=NULL;
316      value=NULL;
317      token=strtok_r(NULL,"&",&saveptr);
318    }
319   
320  }
321
322  if(strncasecmp(cgiContentType,"multipart/form-data",19)==0){
323    map* tmp=getMap(tmpMap,"dataInputs");
324    if(tmp!=NULL){
325      addToMap(tmpMap,"dataInputs",strstr(strQuery,"dataInputs=")+11);
326    }
327  }
328
329  runRequest(tmpMap);
330
331  /**
332   * Required but can't be made after executing a process using POST requests.
333   */
334  if(strncasecmp(cgiRequestMethod,"post",4)!=0 && count(tmpMap)!=1 && tmpMap!=NULL){
335    freeMap(&tmpMap);
336    free(tmpMap);
337  }
338  return 0;
339
340}
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