source: trunk/zoo-project/zoo-kernel/ulinet.c @ 478

Last change on this file since 478 was 478, checked in by djay, 5 years ago

Fix issue on win32 platform for Python support. Remove dirent.obj dependency from utils/status service. readVSIFile defined when MapServer? is not activated.

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1/**
2 *  ulinet.c
3 *
4 * Author : Gérald FENOY
5 *
6 * Copyright (c) 2008-2010 GeoLabs SARL
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 *
26 */
27
28#define _ULINET
29#include "ulinet.h"
30#include <assert.h>
31
32size_t write_data_into(void *buffer, size_t size, size_t nmemb, void *data){
33  size_t realsize = size * nmemb;
34  HINTERNET *psInternet;
35  if(buffer==NULL){
36    buffer=NULL;
37    return -1;
38  }
39  psInternet=(HINTERNET *)data;
40  if(psInternet->pabyData){
41    psInternet->pabyData=(unsigned char*)realloc(psInternet->pabyData,psInternet->nDataLen+realsize+1);
42    psInternet->nDataAlloc+=psInternet->nDataLen+realsize+1;
43  }
44  else{
45    psInternet->pabyData=(unsigned char*)malloc(psInternet->nDataLen+realsize+1);
46    psInternet->nDataAlloc=realsize+1;
47  }
48
49  if (psInternet->pabyData) {
50    memcpy( psInternet->pabyData + psInternet->nDataLen, buffer, realsize);
51    psInternet->nDataLen += realsize;
52    psInternet->pabyData[psInternet->nDataLen] = 0;
53  }
54
55  buffer=NULL;
56  return realsize;
57}
58
59size_t header_write_data(void *buffer, size_t size, size_t nmemb, void *data){
60  if(strncmp("Set-Cookie: ",buffer,12)==0){
61    int i;
62    char env[1024];
63    char path[1024];
64    char domain[1024];
65        char* tmp;
66    for(i=0;i<12;i++)
67#ifndef WIN32
68      buffer++;
69#else
70        ;
71#endif
72    sscanf(buffer,"%s; path=%s; domain=%s",env,path,domain);
73    tmp=strcat(env,CCookie);
74#ifdef MSG_LAF_OUT
75    printf("\n**Cookie env : [%s] , path : [%s], domain : [%s]**\n",env,path,domain);
76    printf("buffer : %d (%s) (%s) (%s)\n",(buffer==NULL),buffer,tmp,CCookie);
77#endif
78    strcpy(CCookie,tmp);
79  }
80  return size * nmemb;//write_data_into(buffer,size,nmemb,data,HEADER);
81};
82
83
84void setProxy(CURL* handle,char* host,long port){
85}
86
87/**
88 * MACOSX
89 */
90#if defined(macintosh) || (defined(__MACH__) && defined(__APPLE__))
91
92
93char* CFStringToCString(CFStringRef dest,char *buffer){
94  CFStringEncoding encoding = kCFStringEncodingUTF8;
95  Boolean bool2 = CFStringGetCString(dest,buffer,1024,encoding);
96  if(bool2){
97    printf("Loaded into local_buffer");
98    return buffer;
99  }
100  return NULL;
101}
102
103OSStatus setProxiesForProtcol(CURL* handle,const char *proto){
104  OSStatus              err;
105  CFDictionaryRef proxyDict;
106  CFArrayRef            proxies;
107 
108  CFStringRef key_enabled = NULL;
109  CFStringRef key_host = NULL;
110  CFStringRef key_port = NULL;
111 
112  bool proxy_enabled;
113  char *proxy_host;
114  long proxy_port;
115 
116  proxyDict = NULL;
117  proxies = NULL;
118
119  err = noErr;
120  proxyDict = SCDynamicStoreCopyProxies(NULL);
121
122  if(strncmp(proto,"http",4)==0){
123      key_enabled=kSCPropNetProxiesHTTPEnable;
124      key_host=kSCPropNetProxiesHTTPProxy;
125      key_port=kSCPropNetProxiesHTTPPort;
126  }
127  else
128    if(strncmp(proto,"https",5)==0){
129      key_enabled=kSCPropNetProxiesHTTPSEnable;
130      key_host=kSCPropNetProxiesHTTPSProxy;
131      key_port=kSCPropNetProxiesHTTPSPort;
132    }
133
134  CFNumberGetValue(CFDictionaryGetValue(proxyDict,key_enabled),kCFNumberIntType,&proxy_enabled);
135  if(proxy_enabled){
136    CFNumberGetValue(CFDictionaryGetValue(proxyDict,key_port),CFNumberGetType(CFDictionaryGetValue(proxyDict,key_port)),&proxy_port);
137    char buffer[1024];
138    CFStringToCString(CFDictionaryGetValue(proxyDict,key_host),buffer);
139    proxy_host=buffer;
140
141#ifdef MSG_LAF_VERBOSE
142    printf("\n**[PROXY SETTINGS DETECTION %s (%d) %s:%li (%s)]**\n",proto,proxy_enabled,(char*)proxy_host,proxy_port,buffer);
143#endif
144
145    if (proxyDict == NULL) {
146      err = coreFoundationUnknownErr;
147    }
148
149    setProxy(handle,proxy_host,proxy_port);
150  }
151  return err;
152}
153#else
154/**
155 * Linux (Gnome)
156 */
157bool setProxiesForProtcol(CURL* handle,const char *proto){
158#ifdef MSG_LAF_VERBOSE
159  fprintf( stderr, "setProxiesForProtocol (do nothing) ...\n" );
160#endif
161}
162#endif
163
164HINTERNET InternetOpen(char* lpszAgent,int dwAccessType,char* lpszProxyName,char* lpszProxyBypass,int dwFlags){
165 
166  HINTERNET ret;
167  struct MemoryStruct header;
168  ret.hasCacheFile=0;
169  ret.nDataAlloc = 0;
170  ret.mimeType = NULL;
171
172  curl_global_init(CURL_GLOBAL_ALL|CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32);
173  ret.handle=curl_easy_init();
174
175  curl_easy_setopt(ret.handle, CURLOPT_COOKIEFILE, "ALL");
176#ifndef TIGER
177  curl_easy_setopt(ret.handle, CURLOPT_COOKIELIST, "ALL");
178#endif
179  curl_easy_setopt(ret.handle, CURLOPT_USERAGENT, lpszAgent);
180 
181  curl_easy_setopt(ret.handle,CURLOPT_FOLLOWLOCATION,1);
182  curl_easy_setopt(ret.handle,CURLOPT_MAXREDIRS,3);
183 
184  header.memory=NULL;
185  header.size = 0;
186
187  curl_easy_setopt(ret.handle, CURLOPT_HEADERFUNCTION, header_write_data);
188  curl_easy_setopt(ret.handle, CURLOPT_WRITEHEADER, (void *)&header);
189
190#ifdef MSG_LAF_VERBOSE
191  curl_easy_setopt(ret.handle, CURLOPT_VERBOSE, 1);
192#endif
193
194  return ret;
195}
196
197void InternetCloseHandle(HINTERNET handle){
198  if(handle.hasCacheFile>0){
199    fclose(handle.file);
200    unlink(handle.filename);
201    handle.mimeType = NULL;
202  }
203  else{
204    handle.pabyData = NULL;
205    handle.mimeType = NULL;
206    handle.nDataAlloc = handle.nDataLen = 0;
207  }
208  if(handle.handle)
209    curl_easy_cleanup(handle.handle);
210  curl_global_cleanup();
211}
212
213HINTERNET InternetOpenUrl(HINTERNET hInternet,LPCTSTR lpszUrl,LPCTSTR lpszHeaders,size_t dwHeadersLength,size_t dwFlags,size_t dwContext){
214
215  char filename[255];
216  hInternet.nDataLen = 0;
217
218  hInternet.nDataAlloc = 0;
219  hInternet.pabyData= NULL;
220     
221  switch(dwFlags)
222    {
223    case INTERNET_FLAG_NO_CACHE_WRITE:   
224      hInternet.hasCacheFile=-1;
225      curl_easy_setopt(hInternet.handle, CURLOPT_WRITEFUNCTION, write_data_into);
226      curl_easy_setopt(hInternet.handle, CURLOPT_WRITEDATA, &hInternet);
227      break;
228    default:
229      sprintf(filename,"/tmp/ZOO_Cache%d",(int)time(NULL));
230      filename[24]=0;
231#ifdef MSG_LAF_VERBOSE
232      fprintf(stderr,"file=%s",filename);
233#endif
234      hInternet.filename=filename;
235      hInternet.file=fopen(hInternet.filename,"w+");
236   
237      hInternet.hasCacheFile=1;
238      curl_easy_setopt(hInternet.handle, CURLOPT_WRITEFUNCTION, NULL);
239      curl_easy_setopt(hInternet.handle, CURLOPT_WRITEDATA, hInternet.file);
240      hInternet.nDataLen=0;
241      break;
242    }
243#ifdef ULINET_DEBUG
244  fprintf(stderr,"URL (%s)\nBODY (%s)\n",lpszUrl,lpszHeaders);
245#endif
246  if(lpszHeaders!=NULL && strlen(lpszHeaders)>0){
247#ifdef MSG_LAF_VERBOSE
248    fprintf(stderr,"FROM ULINET !!");
249    fprintf(stderr,"HEADER : %s\n",lpszHeaders);
250#endif
251    //curl_easy_setopt(hInternet.handle,CURLOPT_COOKIE,lpszHeaders);
252    curl_easy_setopt(hInternet.handle,CURLOPT_POST,1);
253#ifdef ULINET_DEBUG
254    fprintf(stderr,"** (%s) %d **\n",lpszHeaders,dwHeadersLength);
255    curl_easy_setopt(hInternet.handle,CURLOPT_VERBOSE,1);
256#endif
257    curl_easy_setopt(hInternet.handle,CURLOPT_POSTFIELDS,lpszHeaders);
258    //curl_easy_setopt(hInternet.handle,CURLOPT_POSTFIELDSIZE,dwHeadersLength+1);
259    if(hInternet.header!=NULL)
260      curl_easy_setopt(hInternet.handle,CURLOPT_HTTPHEADER,hInternet.header);
261  }
262
263  curl_easy_setopt(hInternet.handle,CURLOPT_URL,lpszUrl);
264  curl_easy_perform(hInternet.handle);
265  curl_easy_getinfo(hInternet.handle,CURLINFO_CONTENT_TYPE,&hInternet.mimeType);
266#ifdef ULINET_DEBUG
267  fprintf(stderr,"DEBUG MIMETYPE: %s\n",hInternet.mimeType);
268  fflush(stderr);
269#endif
270  return hInternet;
271};
272
273int freeCookieList(HINTERNET hInternet){
274  memset(&CCookie[0],0,1024);
275#ifndef TIGER
276  curl_easy_setopt(hInternet.handle, CURLOPT_COOKIELIST, "ALL");
277#endif
278  return 1;
279}
280
281int InternetReadFile(HINTERNET hInternet,LPVOID lpBuffer,int dwNumberOfBytesToRead, size_t *lpdwNumberOfBytesRead){
282  int dwDataSize;
283
284  if(hInternet.hasCacheFile>0){
285    fseek (hInternet.file , 0 , SEEK_END);
286    dwDataSize=ftell(hInternet.file); //taille du ficher
287    rewind (hInternet.file);
288  }
289  else{
290    memset(lpBuffer,0,hInternet.nDataLen+1);
291    memcpy(lpBuffer, hInternet.pabyData, hInternet.nDataLen );
292    dwDataSize=hInternet.nDataLen;
293    free( hInternet.pabyData );
294    hInternet.pabyData=NULL;
295  }
296
297  if( dwNumberOfBytesToRead /* buffer size */ < dwDataSize )
298    return 0;
299
300#ifdef MSG_LAF_VERBOSE
301  printf("\nfile size : %dko\n",dwDataSize/1024);
302#endif
303
304  if(hInternet.hasCacheFile>0){
305    *lpdwNumberOfBytesRead = fread(lpBuffer,1,dwDataSize,hInternet.file); 
306  }
307  else{
308    *lpdwNumberOfBytesRead = hInternet.nDataLen;
309    free( hInternet.pabyData );
310    hInternet.pabyData = NULL;
311    hInternet.nDataAlloc = hInternet.nDataLen = 0;
312  }
313
314  CCookie[0]=0;
315
316  if( *lpdwNumberOfBytesRead < dwDataSize )
317      return 0;
318  else
319      return 1; // TRUE
320}
321
322bool InternetGetCookie(LPCTSTR lpszUrl,LPCTSTR lpszCookieName,LPTSTR lpszCookieData,LPDWORD lpdwSize){
323
324  bool ret=1; 
325  int count=0;
326  int hasCookie=-1;
327  char TMP[1024];
328  int j;
329  int tmpC=0;
330  lpszUrl=NULL;
331
332  for(j=0;j<strlen(CCookie);j++){
333    if(lpszCookieName[count]==CCookie[j]){
334      hasCookie=1;
335      count++;
336      if(count==strlen(lpszCookieName))
337        break;
338      continue;
339    }
340  }
341
342  if(hasCookie>0){
343    if(CCookie[count]=='='){
344      int i=0;
345      count++;
346      for(i=count;i<strlen(CCookie);i++){
347        if(CCookie[i]!=';'){
348          TMP[tmpC]=CCookie[i];
349          tmpC++;
350        }
351        else{
352          break;
353        }
354      }
355    }
356  }
357  else
358    return -1;
359
360  TMP[tmpC]=0;
361  strncpy(lpszCookieData,TMP,strlen(TMP)+1);
362  lpdwSize=(size_t*) strlen(lpszCookieData);
363
364#ifdef MSG_LAF_VERBOSE
365  printf("Cookie returned : (%s)",(char*)lpszCookieData);
366#endif
367
368  return ret;
369
370}
371
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