Annotation of parser3/src/classes/curl.C, revision 1.8
1.1 misha 1: /** @file
2: Parser: @b curl parser class.
3:
4: Copyright(c) 2001-2009 ArtLebedev Group(http://www.artlebedev.com)
5: */
6:
1.3 misha 7: #include "pa_config_includes.h"
8:
9: #ifdef HAVE_CURL
10:
1.8 ! moko 11: static const char * const IDENT_INET_C="$Date: 2010-10-21 15:06:27 $";
1.1 misha 12:
13: #include "pa_vmethod_frame.h"
14: #include "pa_request.h"
15: #include "pa_vfile.h"
16: #include "pa_charsets.h"
1.4 misha 17: #include "pa_vstring.h"
18: #include "pa_vtable.h"
19: #include "pa_common.h"
1.5 misha 20: #include "ltdl.h"
1.1 misha 21:
22: class MCurl: public Methoded {
23: public:
24: MCurl();
25: };
26:
27: // global variables
28:
29: DECLARE_CLASS_VAR(curl, new MCurl, 0);
30:
31: // from file.C
32: extern bool is_text_mode(const String& mode);
33:
34: #include "curl.h"
35:
36: typedef CURL *(*t_curl_easy_init)(); t_curl_easy_init f_curl_easy_init;
37: typedef CURLcode (*t_curl_easy_setopt)(CURL *, CURLoption option, ...); t_curl_easy_setopt f_curl_easy_setopt;
38: typedef CURLcode (*t_curl_easy_perform)(CURL *); t_curl_easy_perform f_curl_easy_perform;
39: typedef void (*t_curl_easy_cleanup)(CURL *); t_curl_easy_cleanup f_curl_easy_cleanup;
40: typedef const char *(*t_curl_easy_strerror)(CURLcode); t_curl_easy_strerror f_curl_easy_strerror;
1.4 misha 41: typedef CURLcode (*t_curl_easy_getinfo)(CURL *curl, CURLINFO info, ...); t_curl_easy_getinfo f_curl_easy_getinfo;
1.1 misha 42: typedef struct curl_slist *(*t_curl_slist_append)(struct curl_slist *,const char *); t_curl_slist_append f_curl_slist_append;
1.4 misha 43: typedef const char *(*t_curl_version)(); t_curl_version f_curl_version;
44: typedef CURLFORMcode (*t_curl_formadd)(struct curl_httppost **httppost, struct curl_httppost **last_post, ...); t_curl_formadd f_curl_formadd;
45: typedef void (*t_curl_formfree)(struct curl_httppost *form); t_curl_formfree f_curl_formfree;
1.1 misha 46:
47: #define GLINK(name) f_##name=(t_##name)lt_dlsym(handle, #name);
48: #define DLINK(name) GLINK(name) if(!f_##name) return "function " #name " was not found";
49:
50: const char *dlink(const char *dlopen_file_spec) {
51: if(lt_dlinit())
52: return lt_dlerror();
53:
54: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
55:
56: if(!handle){
57: if(const char* result=lt_dlerror())
58: return result;
59: return "can not open the dynamic link module";
60: }
61:
62: DLINK(curl_easy_init);
63: DLINK(curl_easy_cleanup);
1.4 misha 64: DLINK(curl_version);
1.1 misha 65: DLINK(curl_easy_setopt);
66: DLINK(curl_easy_perform);
67: DLINK(curl_easy_strerror);
1.4 misha 68: DLINK(curl_easy_getinfo);
1.1 misha 69: DLINK(curl_slist_append);
1.4 misha 70: DLINK(curl_formadd);
71: DLINK(curl_formfree);
1.1 misha 72: return 0;
73: }
74:
75:
76: class ParserOptions {
77: public:
78: const char *filename;
79: const String *content_type;
80: bool is_text;
1.4 misha 81: Charset *charset, *response_charset;
82: struct curl_httppost *f_post;
1.1 misha 83:
1.4 misha 84: ParserOptions() : filename(0), content_type(0), is_text(true), charset(0), response_charset(0), f_post(0){}
85: ~ParserOptions() {
86: f_curl_formfree(f_post);
87: }
88:
1.1 misha 89: };
90:
91: // using thread local variables instead of keeping them in request
92: // not necessary for cgi version
93: #ifdef WIN32
94: #define __thread __declspec(thread)
95: #endif
1.4 misha 96: __thread CURL *fcurl = 0;
97: __thread ParserOptions *foptions = 0;
1.1 misha 98:
99: static CURL *curl(){
100: if(!fcurl)
101: throw Exception("curl", 0, "outside of 'session' operator");
102: return fcurl;
103: }
104:
105: static ParserOptions &options(){
106: if(!foptions)
107: throw Exception("curl", 0, "outside of 'session' operator");
108: return *foptions;
109: }
110:
111: // using temporal object scheme to garanty cleanup call
112: class Temp_curl {
1.4 misha 113: CURL *saved_curl;
114: ParserOptions *saved_options;
1.1 misha 115: public:
1.4 misha 116: Temp_curl() : saved_curl(fcurl), saved_options(foptions){
1.5 misha 117: fcurl = f_curl_easy_init();
118: foptions = new ParserOptions();
1.4 misha 119: f_curl_easy_setopt(fcurl, CURLOPT_POSTFIELDSIZE, 0); // fix libcurl bug
1.1 misha 120: }
121: ~Temp_curl() {
122: f_curl_easy_cleanup(fcurl);
123: fcurl = saved_curl;
124: delete foptions;
125: foptions = saved_options;
126: }
127: };
128:
129: bool curl_linked = false;
130: #ifdef WIN32
131: const char *curl_library="libcurl.dll";
132: #else
133: const char *curl_library="libcurl.so";
134: #endif
135:
136: const char *curl_status = 0;
137:
138: static void temp_curl(void (*action)(Request&, MethodParams&), Request& r, MethodParams& params){
139: if(!curl_linked){
140: curl_linked=true;
141: curl_status=dlink(curl_library);
142: }
143:
144: if(curl_status == 0){
145: Temp_curl temp_curl;
146: action(r,params);
147: } else {
148: throw Exception("curl", 0, "failed to load curl library %s: %s", curl_library, curl_status);
149: }
150: }
151:
152: static void _curl_session_action(Request& r, MethodParams& params){
153: Value& body_code=params.as_junction(0, "body must be code");
154: r.process_write(body_code);
155: }
156:
157: static void _curl_session(Request& r, MethodParams& params){
158: temp_curl(_curl_session_action, r, params);
159: }
160:
1.5 misha 161: static void _curl_version_action(Request& r, MethodParams& ){
1.4 misha 162: r.write_no_lang(*new VString(*new String(f_curl_version(), String::L_TAINTED)));
163: }
164:
165: static void _curl_version(Request& r, MethodParams& params){
166: fcurl ? _curl_version_action(r, params) : temp_curl(_curl_version_action, r, params);
167: }
1.1 misha 168:
169: static char *str_lower(const char *str){
170: char *result=pa_strdup(str);
171: for(char* c=result; *c; c++)
172: *c=(char)tolower((unsigned char)*c);
173: return result;
174: }
175:
176: static char *str_upper(const char *str){
177: char *result=pa_strdup(str);
178: for(char* c=result; *c; c++)
179: *c=(char)toupper((unsigned char)*c);
180: return result;
181: }
182:
183: class CurlOption {
184: public:
185:
186: enum OptionType {
187: CURL_STRING,
188: CURL_URLENCODE, // url-encoded string
1.4 misha 189: CURL_URL,
1.1 misha 190: CURL_INT,
191: CURL_POST,
1.4 misha 192: CURL_FORM,
1.1 misha 193: CURL_HEADERS,
194: CURL_FILE,
195: PARSER_LIBRARY,
196: PARSER_NAME,
197: PARSER_CONTENT_TYPE,
198: PARSER_MODE,
1.4 misha 199: PARSER_CHARSET,
200: PARSER_RESPONSE_CHARSET
1.1 misha 201: };
202:
203: CURLoption id;
204: OptionType type;
205: CurlOption(CURLoption aid, OptionType atype): id(aid), type(atype) {}
206: };
207:
208: class CurlOptionHash: public HashString<CurlOption*> {
209: public:
210: CurlOptionHash() {
211: #define CURL_OPT(type, name) put(str_lower(#name),new CurlOption(CURLOPT_##name, CurlOption::type));
212: #define PARSER_OPT(type, name) put(name,new CurlOption((CURLoption)0, CurlOption::type));
1.4 misha 213: CURL_OPT(CURL_URL, URL);
1.1 misha 214: CURL_OPT(CURL_STRING, INTERFACE);
215: CURL_OPT(CURL_INT, LOCALPORT);
216: CURL_OPT(CURL_INT, PORT);
1.4 misha 217:
1.1 misha 218: CURL_OPT(CURL_INT, HTTPAUTH);
219: CURL_OPT(CURL_STRING, USERPWD);
220:
1.2 misha 221: #ifdef CURLOPT_USERNAME
1.1 misha 222: CURL_OPT(CURL_STRING, USERNAME);
223: CURL_OPT(CURL_STRING, PASSWORD);
1.2 misha 224: #endif
1.1 misha 225:
1.4 misha 226: CURL_OPT(CURL_URLENCODE, USERAGENT);
227: CURL_OPT(CURL_URLENCODE, REFERER);
1.1 misha 228: CURL_OPT(CURL_INT, AUTOREFERER);
229: CURL_OPT(CURL_STRING, ENCODING); // gzip or deflate
230: CURL_OPT(CURL_INT, FOLLOWLOCATION);
231: CURL_OPT(CURL_INT, UNRESTRICTED_AUTH);
232:
233: CURL_OPT(CURL_INT, POST);
234: CURL_OPT(CURL_INT, HTTPGET);
1.4 misha 235: CURL_OPT(CURL_INT, NOBODY);
236: CURL_OPT(CURL_STRING, CUSTOMREQUEST);
1.1 misha 237:
238: CURL_OPT(CURL_POST, POSTFIELDS); // hopefully is safe too
239: CURL_OPT(CURL_POST, COPYPOSTFIELDS);
1.4 misha 240: CURL_OPT(CURL_FORM, HTTPPOST);
1.1 misha 241:
242: CURL_OPT(CURL_HEADERS, HTTPHEADER);
243: CURL_OPT(CURL_URLENCODE, COOKIE);
244: CURL_OPT(CURL_URLENCODE, COOKIELIST);
245: CURL_OPT(CURL_INT, COOKIESESSION);
246:
247: CURL_OPT(CURL_INT, IGNORE_CONTENT_LENGTH);
248: CURL_OPT(CURL_INT, HTTP_CONTENT_DECODING);
249: CURL_OPT(CURL_INT, HTTP_TRANSFER_DECODING);
250:
1.4 misha 251: CURL_OPT(CURL_INT, MAXREDIRS);
252: CURL_OPT(CURL_INT, POSTREDIR);
253:
254: CURL_OPT(CURL_STRING, RANGE);
255:
1.1 misha 256: CURL_OPT(CURL_INT, TIMEOUT);
257: CURL_OPT(CURL_INT, TIMEOUT_MS);
258: CURL_OPT(CURL_INT, LOW_SPEED_LIMIT);
259: CURL_OPT(CURL_INT, LOW_SPEED_TIME);
260: CURL_OPT(CURL_INT, MAXCONNECTS);
261:
1.4 misha 262: CURL_OPT(CURL_STRING, PROXY);
263: CURL_OPT(CURL_INT, PROXYPORT);
264: CURL_OPT(CURL_INT, PROXYTYPE);
265: CURL_OPT(CURL_INT, HTTPPROXYTUNNEL);
266: CURL_OPT(CURL_STRING, PROXYUSERPWD);
267: CURL_OPT(CURL_INT, PROXYAUTH);
268:
1.1 misha 269: CURL_OPT(CURL_INT, FRESH_CONNECT);
270: CURL_OPT(CURL_INT, FORBID_REUSE);
271: CURL_OPT(CURL_INT, CONNECTTIMEOUT);
272: CURL_OPT(CURL_INT, CONNECTTIMEOUT_MS);
1.4 misha 273: CURL_OPT(CURL_INT, FAILONERROR);
1.1 misha 274:
275: CURL_OPT(CURL_FILE, SSLCERT);
276: CURL_OPT(CURL_STRING, SSLCERTTYPE);
277: CURL_OPT(CURL_FILE, SSLKEY);
278: CURL_OPT(CURL_STRING, SSLKEYTYPE);
279: CURL_OPT(CURL_STRING, KEYPASSWD);
280: CURL_OPT(CURL_STRING, SSLENGINE);
281: CURL_OPT(CURL_STRING, SSLENGINE_DEFAULT);
282:
1.2 misha 283: #ifdef CURLOPT_ISSUERCERT
1.1 misha 284: CURL_OPT(CURL_FILE, ISSUERCERT);
1.2 misha 285: #endif
286:
287: #ifdef CURLOPT_CRLFILE
1.1 misha 288: CURL_OPT(CURL_FILE, CRLFILE);
1.2 misha 289: #endif
1.1 misha 290:
291: CURL_OPT(CURL_STRING, CAINFO);
292: CURL_OPT(CURL_STRING, CAPATH);
293: CURL_OPT(CURL_INT, SSL_VERIFYPEER);
294: CURL_OPT(CURL_INT, SSL_VERIFYHOST);
295: CURL_OPT(CURL_STRING, SSL_CIPHER_LIST);
296: CURL_OPT(CURL_INT, SSL_SESSIONID_CACHE);
297:
298: PARSER_OPT(PARSER_LIBRARY, "library");
299: PARSER_OPT(PARSER_NAME, "name");
300: PARSER_OPT(PARSER_CONTENT_TYPE, "content-type");
301: PARSER_OPT(PARSER_MODE, "mode");
302: PARSER_OPT(PARSER_CHARSET, "charset");
1.4 misha 303: PARSER_OPT(PARSER_RESPONSE_CHARSET, "response-charset");
1.1 misha 304: }
305:
306: } *curl_options=0;
307:
308: static const char *curl_urlencode(const String &s, Request& r){
309: if(options().charset){
310: Temp_client_charset temp(r.charsets, *options().charset);
311: return s.untaint_and_transcode_cstr(String::L_URI, &r.charsets);
312: } else
313: return s.untaint_cstr(String::L_URI);
314: }
315:
316: static struct curl_slist *curl_headers(HashStringValue *value_hash, Request& r) {
317: struct curl_slist *slist=NULL;
318:
319: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
320: String header =
321: String(capitalize(i.key().cstr()), String::L_URI)
322: << ": "
323: << String(i.value()->as_string(), String::L_URI);
324:
325: slist=f_curl_slist_append(slist, curl_urlencode(header, r));
326: }
327: return slist;
328: }
329:
1.4 misha 330: static const char* curl_transcode(const String &s, Request& r){
331: return options().charset ? Charset::transcode(s.cstr(), r.charsets.source(), *options().charset).cstr() : s.cstr();
332: }
333:
334: static void curl_form(HashStringValue *value_hash, Request& r){
335: struct curl_httppost *f_last=0;
336: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
337: const char *key = curl_transcode(String(i.key().cstr()), r);
338: if(const String* svalue = i.value()->get_string()){
339: // string
340: f_curl_formadd(&options().f_post, &f_last,
341: CURLFORM_PTRNAME, key,
342: CURLFORM_PTRCONTENTS, curl_transcode(String(svalue->cstr()), r),
343: CURLFORM_END);
344: } else if(Table* tvalue = i.value()->get_table()){
345: // table
346: for(size_t t = 0; t < tvalue->count(); t++) {
347: f_curl_formadd(&options().f_post, &f_last,
348: CURLFORM_PTRNAME, key,
349: CURLFORM_PTRCONTENTS, curl_transcode(String(tvalue->get(t)->get(0)->cstr()), r),
350: CURLFORM_END);
351: }
352: } else if(VFile* fvalue=static_cast<VFile *>(i.value()->as("file"))){
353: // file
354: f_curl_formadd(&options().f_post, &f_last,
355: CURLFORM_PTRNAME, key,
356: CURLFORM_BUFFER, curl_transcode(String(fvalue->fields().get("name")->as_string(), String::L_FILE_SPEC), r),
357: CURLFORM_BUFFERLENGTH, (long)fvalue->value_size(),
358: CURLFORM_BUFFERPTR, fvalue->value_ptr(),
359: CURLFORM_CONTENTTYPE, fvalue->fields().get("content-type")->as_string().taint_cstr(String::L_URI),
360: CURLFORM_END);
361: } else {
362: throw Exception("curl", new String(i.key(), String::L_TAINTED), "is %s, form option value can be string, table or file only", i.value()->type());
363: }
364: }
365: }
366:
1.1 misha 367: static void curl_setopt(HashStringValue::key_type key, HashStringValue::value_type value, Request& r) {
368: CurlOption *opt=curl_options->get(key);
369:
370: if(opt==0)
371: throw Exception("curl", 0, "called with invalid option '%s'", key.cstr());
372:
373: CURLcode res = CURLE_OK;
374: Value &v=r.process_to_value(*value);
375:
376: switch (opt->type){
377: case CurlOption::CURL_STRING:{
378: // string curl option
379: const char *value_str=v.as_string().cstr();
380: res=f_curl_easy_setopt(curl(), opt->id, value_str);
381: break;
382: }
383: case CurlOption::CURL_URLENCODE:{
384: // url-encoded string curl option
385: const char *value_str=curl_urlencode(v.as_string(), r);
386: res=f_curl_easy_setopt(curl(), opt->id, value_str);
387: break;
388: }
1.4 misha 389: case CurlOption::CURL_URL:{
390: // url-encoded string curl_url option
1.5 misha 391: const String url = v.as_string();
392: if(!url.starts_with("http://") && !url.starts_with("https://"))
393: throw Exception("curl", 0, "failed to set option '%s': invalid url scheme '%s'", key.cstr(), url.cstr());
1.4 misha 394: const char *value_str=curl_urlencode(url, r);
395: res=f_curl_easy_setopt(curl(), opt->id, value_str);
396: break;
397: }
1.1 misha 398: case CurlOption::CURL_INT:{
1.2 misha 399: // integer curl option
400: long value_int=(long)v.as_double();
1.1 misha 401: res=f_curl_easy_setopt(curl(), opt->id, value_int);
402: break;
403: }
404: case CurlOption::CURL_POST:{
405: // http post curl option
406: if(v.get_string()){
1.2 misha 407: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, -1L)) == CURLE_OK )
1.1 misha 408: res=f_curl_easy_setopt(curl(), opt->id, curl_urlencode(v.as_string(), r));
409: } else {
410: VFile *file=v.as_vfile(String::L_AS_IS);
1.2 misha 411: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, (long)file->value_size())) == CURLE_OK )
1.1 misha 412: res=f_curl_easy_setopt(curl(), opt->id, file->value_ptr());
413: }
414: break;
415: }
1.4 misha 416: case CurlOption::CURL_FORM:{
417: HashStringValue *value_hash = v.get_hash();
418: if(value_hash){
419: curl_form(value_hash, r);
1.5 misha 420: } else if(v.get_string()->is_empty()){
1.4 misha 421: f_curl_formfree(options().f_post);
422: options().f_post = 0;
423: } else {
424: throw Exception("curl", 0, "%s must be a hash", key.cstr());
1.5 misha 425: }
1.4 misha 426: res=f_curl_easy_setopt(curl(), CURLOPT_HTTPPOST, foptions->f_post);
427: break;
428: }
1.1 misha 429: case CurlOption::CURL_HEADERS:{
430: // http headers curl option
431: HashStringValue *value_hash=v.get_hash();
432: res=f_curl_easy_setopt(curl(), opt->id, value_hash ? curl_headers(value_hash, r) : 0);
433: break;
434: }
435: case CurlOption::CURL_FILE:{
436: // file-spec curl option
437: const char *value_str=r.absolute(v.as_string()).taint_cstr(String::L_FILE_SPEC);
438: res=f_curl_easy_setopt(curl(), opt->id, value_str);
439: break;
440: }
441: case CurlOption::PARSER_LIBRARY:{
442: // 'library' parser option
443: if(fcurl==0){
444: curl_library=v.as_string().taint_cstr(String::L_FILE_SPEC);
445: } else
446: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), "already loaded");
447: break;
448: }
449: case CurlOption::PARSER_NAME:{
450: // 'name' parser option
451: options().filename=v.as_string().taint_cstr(String::L_FILE_SPEC);
452: break;
453: }
454: case CurlOption::PARSER_CONTENT_TYPE:{
455: // 'content-type' parser option
456: options().content_type=&v.as_string();
457: break;
458: }
459: case CurlOption::PARSER_MODE:{
460: // 'mode' parser option
461: options().is_text=is_text_mode(v.as_string());
462: break;
463: }
464: case CurlOption::PARSER_CHARSET:{
465: // 'charset' parser option
466: options().charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
467: break;
468: }
1.4 misha 469: case CurlOption::PARSER_RESPONSE_CHARSET:{
470: // 'charset' parser option
471: options().response_charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
472: break;
473: }
1.1 misha 474: }
475:
476: if(res != CURLE_OK)
477: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), f_curl_easy_strerror(res));
478: }
479:
1.3 misha 480: static void _curl_options(Request& r, MethodParams& params){
1.1 misha 481: if(curl_options==0)
482: curl_options=new CurlOptionHash();
483:
484: if(HashStringValue* options=params.as_no_junction(0, OPTIONS_MUST_NOT_BE_CODE).get_hash()){
485: options->for_each<Request&>(curl_setopt, r);
486: } else
1.6 misha 487: throw Exception("curl", 0, OPTIONS_MUST_BE_HASH);
1.1 misha 488: }
489:
490:
491: class Curl_buffer{
492: public:
493: char *buf;
494: size_t length;
495: size_t buf_size;
496:
497: Curl_buffer() : buf((char *)pa_malloc(MAX_STRING+1)), length(0), buf_size(MAX_STRING){}
498: };
499:
500: static int curl_writer(char *data, size_t size, size_t nmemb, Curl_buffer *result){
501: if(result == 0)
502: return 0;
503:
504: size=size*nmemb;
505: if(size>0){
506: if(result->length + size >= result->buf_size){
507: result->buf_size = result->buf_size*2 + size;
508: result->buf = (char *)pa_realloc(result->buf, result->buf_size+1);
509: }
510: memcpy(result->buf+result->length, data, size);
511: result->length += size;
512: }
513: return size;
514: }
515:
516: static int curl_header(char *data, size_t size, size_t nmemb, HASH_STRING<char *> *result){
517: if(result == 0)
518: return 0;
519:
520: size=size*nmemb;
521: if(size>0){
522: char *line=pa_strdup(data, size);
523: char *value=lsplit(line,':');
524: if(value && *line){
525: // we need only headers, not the response code
526: result->put(str_upper(line), value);
527: }
528: }
529: return size;
530: }
531:
532: #define CURL_SETOPT(option, arg, message) \
533: if( (res=f_curl_easy_setopt(curl(), option, arg)) != CURLE_OK){ \
534: throw Exception("curl", 0, "failed to set " message ": %s", f_curl_easy_strerror(res)); \
535: }
536:
537: static void _curl_load_action(Request& r, MethodParams& params){
538: if(params.count()==1)
1.3 misha 539: _curl_options(r, params);
1.1 misha 540:
541: CURLcode res;
542:
543: Curl_buffer body;
544: CURL_SETOPT(CURLOPT_WRITEFUNCTION, curl_writer, "curl writer function");
545: CURL_SETOPT(CURLOPT_WRITEDATA, &body, "curl write buffer");
546:
547: // we need a container for headers as VFile fields can be put only after VFile.set
548: HASH_STRING<char *> headers;
549: CURL_SETOPT(CURLOPT_HEADERFUNCTION, curl_header, "curl header function");
550: CURL_SETOPT(CURLOPT_WRITEHEADER, &headers, "curl header buffer");
551:
552: if((res=f_curl_easy_perform(curl())) != CURLE_OK){
1.4 misha 553: char *ex_type = 0;
554: switch(res){
555: case CURLE_OPERATION_TIMEDOUT:
556: ex_type = "curl.timeout"; break;
557: case CURLE_COULDNT_RESOLVE_HOST:
558: ex_type = "curl.host"; break;
559: case CURLE_COULDNT_CONNECT:
560: ex_type = "curl.connect"; break;
561: case CURLE_HTTP_RETURNED_ERROR:
562: ex_type = "curl.status"; break;
563: case CURLE_SSL_CONNECT_ERROR:
564: case CURLE_SSL_CERTPROBLEM:
565: case CURLE_SSL_CIPHER:
566: case CURLE_SSL_CACERT:
567: case CURLE_SSL_ENGINE_INITFAILED:
568: ex_type = "curl.ssl"; break;
569: }
570: throw Exception( ex_type ? ex_type : "curl.fail", 0, "%s", f_curl_easy_strerror(res));
1.1 misha 571: }
572:
573: // assure trailing zero
574: body.buf[body.length]=0;
575:
1.4 misha 576: Value* vcontent_type=
577: options().content_type ? new VString(*options().content_type) :
578: options().filename ? new VString(r.mime_type_of(options().filename)) : 0;
579:
580: VFile& result=*new VFile;
581:
582: String::Body ct_header = headers.get(HTTP_CONTENT_TYPE_UPPER);
1.8 ! moko 583: Charset *asked_charset = options().response_charset;
! 584: if (asked_charset == 0){
! 585: Charset *remote_charset = ct_header.is_empty() ? 0 : detect_charset(ct_header.trim(String::TRIM_BOTH, " \t\n\r").cstr());
! 586: asked_charset = remote_charset ? remote_charset : options().charset;
! 587: }
1.1 misha 588:
589: if(options().is_text && asked_charset != 0){
590: String::C c=Charset::transcode(String::C(body.buf, body.length), *asked_charset, r.charsets.source());
591: body.buf=(char *)c.str;
592: body.length=c.length;
593: }
594:
595: result.set(true /*tainted*/, body.buf, body.length, options().filename, vcontent_type);
596: result.set_mode(options().is_text);
597:
1.4 misha 598: long http_status = 0;
599: if(f_curl_easy_getinfo(curl(), CURLINFO_RESPONSE_CODE, &http_status) == CURLE_OK){
600: result.fields().put("status", new VInt(http_status));
601: }
602:
1.1 misha 603: for(HASH_STRING<char *>::Iterator i(headers); i; i.next() ){
604: String::Body key=i.key();
605: String::Body value=i.value();
606: if(asked_charset){
607: key=Charset::transcode(key, *asked_charset, r.charsets.source());
608: value=Charset::transcode(value, *asked_charset, r.charsets.source());
609: }
610: result.fields().put(key, new VString(*new String(value.trim(String::TRIM_BOTH, " \t\n\r"), String::L_TAINTED)));
611: }
612:
613: r.write_no_lang(result);
614: }
615:
616: static void _curl_load(Request& r, MethodParams& params){
617: fcurl ? _curl_load_action(r, params) : temp_curl(_curl_load_action, r, params);
618: }
619:
620: // constructor
621: MCurl::MCurl(): Methoded("curl") {
622: add_native_method("session", Method::CT_STATIC, _curl_session, 1, 1);
1.4 misha 623: add_native_method("version", Method::CT_STATIC, _curl_version, 0, 0);
1.3 misha 624: add_native_method("options", Method::CT_STATIC, _curl_options, 1, 1);
1.1 misha 625: add_native_method("load", Method::CT_STATIC, _curl_load, 0, 1);
1.3 misha 626: }
627:
628: #else // HAVE_CURL
629:
630: #include "classes.h"
631: // global variable
632: DECLARE_CLASS_VAR(curl, 0, 0); // fictive
633:
1.1 misha 634: #endif // HAVE_CURL
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