Annotation of parser3/src/classes/curl.C, revision 1.11
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:
1.11 ! moko 11: static const char * const IDENT_INET_C="$Date: 2010-12-29 12:17:58 $";
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"
1.11 ! moko 20: #include "pa_http.h"
1.5 misha 21: #include "ltdl.h"
1.1 misha 22:
23: class MCurl: public Methoded {
24: public:
25: MCurl();
26: };
27:
28: // global variables
29:
30: DECLARE_CLASS_VAR(curl, new MCurl, 0);
31:
32: // from file.C
33: extern bool is_text_mode(const String& mode);
34:
35: #include "curl.h"
36:
37: typedef CURL *(*t_curl_easy_init)(); t_curl_easy_init f_curl_easy_init;
38: typedef CURLcode (*t_curl_easy_setopt)(CURL *, CURLoption option, ...); t_curl_easy_setopt f_curl_easy_setopt;
39: typedef CURLcode (*t_curl_easy_perform)(CURL *); t_curl_easy_perform f_curl_easy_perform;
40: typedef void (*t_curl_easy_cleanup)(CURL *); t_curl_easy_cleanup f_curl_easy_cleanup;
41: typedef const char *(*t_curl_easy_strerror)(CURLcode); t_curl_easy_strerror f_curl_easy_strerror;
1.4 misha 42: typedef CURLcode (*t_curl_easy_getinfo)(CURL *curl, CURLINFO info, ...); t_curl_easy_getinfo f_curl_easy_getinfo;
1.1 misha 43: typedef struct curl_slist *(*t_curl_slist_append)(struct curl_slist *,const char *); t_curl_slist_append f_curl_slist_append;
1.4 misha 44: typedef const char *(*t_curl_version)(); t_curl_version f_curl_version;
45: typedef CURLFORMcode (*t_curl_formadd)(struct curl_httppost **httppost, struct curl_httppost **last_post, ...); t_curl_formadd f_curl_formadd;
46: typedef void (*t_curl_formfree)(struct curl_httppost *form); t_curl_formfree f_curl_formfree;
1.1 misha 47:
48: #define GLINK(name) f_##name=(t_##name)lt_dlsym(handle, #name);
49: #define DLINK(name) GLINK(name) if(!f_##name) return "function " #name " was not found";
50:
51: const char *dlink(const char *dlopen_file_spec) {
52: if(lt_dlinit())
53: return lt_dlerror();
54:
55: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
56:
57: if(!handle){
58: if(const char* result=lt_dlerror())
59: return result;
60: return "can not open the dynamic link module";
61: }
62:
63: DLINK(curl_easy_init);
64: DLINK(curl_easy_cleanup);
1.4 misha 65: DLINK(curl_version);
1.1 misha 66: DLINK(curl_easy_setopt);
67: DLINK(curl_easy_perform);
68: DLINK(curl_easy_strerror);
1.4 misha 69: DLINK(curl_easy_getinfo);
1.1 misha 70: DLINK(curl_slist_append);
1.4 misha 71: DLINK(curl_formadd);
72: DLINK(curl_formfree);
1.1 misha 73: return 0;
74: }
75:
76:
77: class ParserOptions {
78: public:
79: const char *filename;
80: const String *content_type;
81: bool is_text;
1.4 misha 82: Charset *charset, *response_charset;
83: struct curl_httppost *f_post;
1.1 misha 84:
1.4 misha 85: ParserOptions() : filename(0), content_type(0), is_text(true), charset(0), response_charset(0), f_post(0){}
86: ~ParserOptions() {
87: f_curl_formfree(f_post);
88: }
89:
1.1 misha 90: };
91:
1.9 moko 92: // using TLS instead of keeping variables in request
93: THREAD_LOCAL CURL *fcurl = 0;
94: THREAD_LOCAL ParserOptions *foptions = 0;
1.1 misha 95:
96: static CURL *curl(){
97: if(!fcurl)
98: throw Exception("curl", 0, "outside of 'session' operator");
99: return fcurl;
100: }
101:
102: static ParserOptions &options(){
103: if(!foptions)
104: throw Exception("curl", 0, "outside of 'session' operator");
105: return *foptions;
106: }
107:
108: // using temporal object scheme to garanty cleanup call
109: class Temp_curl {
1.4 misha 110: CURL *saved_curl;
111: ParserOptions *saved_options;
1.1 misha 112: public:
1.4 misha 113: Temp_curl() : saved_curl(fcurl), saved_options(foptions){
1.5 misha 114: fcurl = f_curl_easy_init();
115: foptions = new ParserOptions();
1.4 misha 116: f_curl_easy_setopt(fcurl, CURLOPT_POSTFIELDSIZE, 0); // fix libcurl bug
1.1 misha 117: }
118: ~Temp_curl() {
119: f_curl_easy_cleanup(fcurl);
120: fcurl = saved_curl;
121: delete foptions;
122: foptions = saved_options;
123: }
124: };
125:
126: bool curl_linked = false;
127: #ifdef WIN32
128: const char *curl_library="libcurl.dll";
129: #else
130: const char *curl_library="libcurl.so";
131: #endif
132:
133: const char *curl_status = 0;
134:
135: static void temp_curl(void (*action)(Request&, MethodParams&), Request& r, MethodParams& params){
136: if(!curl_linked){
137: curl_linked=true;
138: curl_status=dlink(curl_library);
139: }
140:
141: if(curl_status == 0){
142: Temp_curl temp_curl;
143: action(r,params);
144: } else {
145: throw Exception("curl", 0, "failed to load curl library %s: %s", curl_library, curl_status);
146: }
147: }
148:
149: static void _curl_session_action(Request& r, MethodParams& params){
150: Value& body_code=params.as_junction(0, "body must be code");
151: r.process_write(body_code);
152: }
153:
154: static void _curl_session(Request& r, MethodParams& params){
155: temp_curl(_curl_session_action, r, params);
156: }
157:
1.5 misha 158: static void _curl_version_action(Request& r, MethodParams& ){
1.4 misha 159: r.write_no_lang(*new VString(*new String(f_curl_version(), String::L_TAINTED)));
160: }
161:
162: static void _curl_version(Request& r, MethodParams& params){
163: fcurl ? _curl_version_action(r, params) : temp_curl(_curl_version_action, r, params);
164: }
1.1 misha 165:
166: static char *str_lower(const char *str){
167: char *result=pa_strdup(str);
168: for(char* c=result; *c; c++)
169: *c=(char)tolower((unsigned char)*c);
170: return result;
171: }
172:
173: static char *str_upper(const char *str){
174: char *result=pa_strdup(str);
175: for(char* c=result; *c; c++)
176: *c=(char)toupper((unsigned char)*c);
177: return result;
178: }
179:
180: class CurlOption {
181: public:
182:
183: enum OptionType {
184: CURL_STRING,
185: CURL_URLENCODE, // url-encoded string
1.4 misha 186: CURL_URL,
1.1 misha 187: CURL_INT,
188: CURL_POST,
1.4 misha 189: CURL_FORM,
1.1 misha 190: CURL_HEADERS,
191: CURL_FILE,
192: PARSER_LIBRARY,
193: PARSER_NAME,
194: PARSER_CONTENT_TYPE,
195: PARSER_MODE,
1.4 misha 196: PARSER_CHARSET,
197: PARSER_RESPONSE_CHARSET
1.1 misha 198: };
199:
200: CURLoption id;
201: OptionType type;
202: CurlOption(CURLoption aid, OptionType atype): id(aid), type(atype) {}
203: };
204:
205: class CurlOptionHash: public HashString<CurlOption*> {
206: public:
207: CurlOptionHash() {
208: #define CURL_OPT(type, name) put(str_lower(#name),new CurlOption(CURLOPT_##name, CurlOption::type));
209: #define PARSER_OPT(type, name) put(name,new CurlOption((CURLoption)0, CurlOption::type));
1.4 misha 210: CURL_OPT(CURL_URL, URL);
1.1 misha 211: CURL_OPT(CURL_STRING, INTERFACE);
212: CURL_OPT(CURL_INT, LOCALPORT);
213: CURL_OPT(CURL_INT, PORT);
1.4 misha 214:
1.1 misha 215: CURL_OPT(CURL_INT, HTTPAUTH);
216: CURL_OPT(CURL_STRING, USERPWD);
217:
1.2 misha 218: #ifdef CURLOPT_USERNAME
1.1 misha 219: CURL_OPT(CURL_STRING, USERNAME);
220: CURL_OPT(CURL_STRING, PASSWORD);
1.2 misha 221: #endif
1.1 misha 222:
1.4 misha 223: CURL_OPT(CURL_URLENCODE, USERAGENT);
224: CURL_OPT(CURL_URLENCODE, REFERER);
1.1 misha 225: CURL_OPT(CURL_INT, AUTOREFERER);
226: CURL_OPT(CURL_STRING, ENCODING); // gzip or deflate
227: CURL_OPT(CURL_INT, FOLLOWLOCATION);
228: CURL_OPT(CURL_INT, UNRESTRICTED_AUTH);
229:
230: CURL_OPT(CURL_INT, POST);
231: CURL_OPT(CURL_INT, HTTPGET);
1.4 misha 232: CURL_OPT(CURL_INT, NOBODY);
233: CURL_OPT(CURL_STRING, CUSTOMREQUEST);
1.1 misha 234:
235: CURL_OPT(CURL_POST, POSTFIELDS); // hopefully is safe too
236: CURL_OPT(CURL_POST, COPYPOSTFIELDS);
1.4 misha 237: CURL_OPT(CURL_FORM, HTTPPOST);
1.1 misha 238:
239: CURL_OPT(CURL_HEADERS, HTTPHEADER);
240: CURL_OPT(CURL_URLENCODE, COOKIE);
241: CURL_OPT(CURL_URLENCODE, COOKIELIST);
242: CURL_OPT(CURL_INT, COOKIESESSION);
243:
244: CURL_OPT(CURL_INT, IGNORE_CONTENT_LENGTH);
245: CURL_OPT(CURL_INT, HTTP_CONTENT_DECODING);
246: CURL_OPT(CURL_INT, HTTP_TRANSFER_DECODING);
247:
1.4 misha 248: CURL_OPT(CURL_INT, MAXREDIRS);
1.11 ! moko 249: #ifdef CURLOPT_POSTREDIR
1.4 misha 250: CURL_OPT(CURL_INT, POSTREDIR);
1.11 ! moko 251: #endif
1.4 misha 252:
253: CURL_OPT(CURL_STRING, RANGE);
254:
1.1 misha 255: CURL_OPT(CURL_INT, TIMEOUT);
256: CURL_OPT(CURL_INT, TIMEOUT_MS);
257: CURL_OPT(CURL_INT, LOW_SPEED_LIMIT);
258: CURL_OPT(CURL_INT, LOW_SPEED_TIME);
259: CURL_OPT(CURL_INT, MAXCONNECTS);
260:
1.4 misha 261: CURL_OPT(CURL_STRING, PROXY);
262: CURL_OPT(CURL_INT, PROXYPORT);
263: CURL_OPT(CURL_INT, PROXYTYPE);
264: CURL_OPT(CURL_INT, HTTPPROXYTUNNEL);
265: CURL_OPT(CURL_STRING, PROXYUSERPWD);
266: CURL_OPT(CURL_INT, PROXYAUTH);
267:
1.1 misha 268: CURL_OPT(CURL_INT, FRESH_CONNECT);
269: CURL_OPT(CURL_INT, FORBID_REUSE);
270: CURL_OPT(CURL_INT, CONNECTTIMEOUT);
271: CURL_OPT(CURL_INT, CONNECTTIMEOUT_MS);
1.4 misha 272: CURL_OPT(CURL_INT, FAILONERROR);
1.1 misha 273:
274: CURL_OPT(CURL_FILE, SSLCERT);
275: CURL_OPT(CURL_STRING, SSLCERTTYPE);
276: CURL_OPT(CURL_FILE, SSLKEY);
277: CURL_OPT(CURL_STRING, SSLKEYTYPE);
278: CURL_OPT(CURL_STRING, KEYPASSWD);
279: CURL_OPT(CURL_STRING, SSLENGINE);
280: CURL_OPT(CURL_STRING, SSLENGINE_DEFAULT);
281:
1.2 misha 282: #ifdef CURLOPT_ISSUERCERT
1.1 misha 283: CURL_OPT(CURL_FILE, ISSUERCERT);
1.2 misha 284: #endif
285:
286: #ifdef CURLOPT_CRLFILE
1.1 misha 287: CURL_OPT(CURL_FILE, CRLFILE);
1.2 misha 288: #endif
1.1 misha 289:
290: CURL_OPT(CURL_STRING, CAINFO);
291: CURL_OPT(CURL_STRING, CAPATH);
292: CURL_OPT(CURL_INT, SSL_VERIFYPEER);
293: CURL_OPT(CURL_INT, SSL_VERIFYHOST);
294: CURL_OPT(CURL_STRING, SSL_CIPHER_LIST);
295: CURL_OPT(CURL_INT, SSL_SESSIONID_CACHE);
296:
297: PARSER_OPT(PARSER_LIBRARY, "library");
298: PARSER_OPT(PARSER_NAME, "name");
299: PARSER_OPT(PARSER_CONTENT_TYPE, "content-type");
300: PARSER_OPT(PARSER_MODE, "mode");
301: PARSER_OPT(PARSER_CHARSET, "charset");
1.4 misha 302: PARSER_OPT(PARSER_RESPONSE_CHARSET, "response-charset");
1.1 misha 303: }
304:
305: } *curl_options=0;
306:
307: static const char *curl_urlencode(const String &s, Request& r){
308: if(options().charset){
309: Temp_client_charset temp(r.charsets, *options().charset);
310: return s.untaint_and_transcode_cstr(String::L_URI, &r.charsets);
311: } else
312: return s.untaint_cstr(String::L_URI);
313: }
314:
315: static struct curl_slist *curl_headers(HashStringValue *value_hash, Request& r) {
316: struct curl_slist *slist=NULL;
317:
318: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
319: String header =
1.10 moko 320: String(pa_http_safe_header_name(capitalize(i.key().cstr())), String::L_AS_IS)
1.1 misha 321: << ": "
1.10 moko 322: << String(i.value()->as_string(), String::L_HTTP_HEADER);
1.1 misha 323:
324: slist=f_curl_slist_append(slist, curl_urlencode(header, r));
325: }
326: return slist;
327: }
328:
1.4 misha 329: static const char* curl_transcode(const String &s, Request& r){
330: return options().charset ? Charset::transcode(s.cstr(), r.charsets.source(), *options().charset).cstr() : s.cstr();
331: }
332:
333: static void curl_form(HashStringValue *value_hash, Request& r){
334: struct curl_httppost *f_last=0;
335: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
336: const char *key = curl_transcode(String(i.key().cstr()), r);
337: if(const String* svalue = i.value()->get_string()){
338: // string
339: f_curl_formadd(&options().f_post, &f_last,
340: CURLFORM_PTRNAME, key,
341: CURLFORM_PTRCONTENTS, curl_transcode(String(svalue->cstr()), r),
342: CURLFORM_END);
343: } else if(Table* tvalue = i.value()->get_table()){
344: // table
345: for(size_t t = 0; t < tvalue->count(); t++) {
346: f_curl_formadd(&options().f_post, &f_last,
347: CURLFORM_PTRNAME, key,
348: CURLFORM_PTRCONTENTS, curl_transcode(String(tvalue->get(t)->get(0)->cstr()), r),
349: CURLFORM_END);
350: }
351: } else if(VFile* fvalue=static_cast<VFile *>(i.value()->as("file"))){
352: // file
353: f_curl_formadd(&options().f_post, &f_last,
354: CURLFORM_PTRNAME, key,
355: CURLFORM_BUFFER, curl_transcode(String(fvalue->fields().get("name")->as_string(), String::L_FILE_SPEC), r),
356: CURLFORM_BUFFERLENGTH, (long)fvalue->value_size(),
357: CURLFORM_BUFFERPTR, fvalue->value_ptr(),
358: CURLFORM_CONTENTTYPE, fvalue->fields().get("content-type")->as_string().taint_cstr(String::L_URI),
359: CURLFORM_END);
360: } else {
361: 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());
362: }
363: }
364: }
365:
1.1 misha 366: static void curl_setopt(HashStringValue::key_type key, HashStringValue::value_type value, Request& r) {
367: CurlOption *opt=curl_options->get(key);
368:
369: if(opt==0)
370: throw Exception("curl", 0, "called with invalid option '%s'", key.cstr());
371:
372: CURLcode res = CURLE_OK;
373: Value &v=r.process_to_value(*value);
374:
375: switch (opt->type){
376: case CurlOption::CURL_STRING:{
377: // string curl option
378: const char *value_str=v.as_string().cstr();
379: res=f_curl_easy_setopt(curl(), opt->id, value_str);
380: break;
381: }
382: case CurlOption::CURL_URLENCODE:{
383: // url-encoded string curl option
384: const char *value_str=curl_urlencode(v.as_string(), r);
385: res=f_curl_easy_setopt(curl(), opt->id, value_str);
386: break;
387: }
1.4 misha 388: case CurlOption::CURL_URL:{
389: // url-encoded string curl_url option
1.5 misha 390: const String url = v.as_string();
391: if(!url.starts_with("http://") && !url.starts_with("https://"))
392: throw Exception("curl", 0, "failed to set option '%s': invalid url scheme '%s'", key.cstr(), url.cstr());
1.4 misha 393: const char *value_str=curl_urlencode(url, r);
394: res=f_curl_easy_setopt(curl(), opt->id, value_str);
395: break;
396: }
1.1 misha 397: case CurlOption::CURL_INT:{
1.2 misha 398: // integer curl option
399: long value_int=(long)v.as_double();
1.1 misha 400: res=f_curl_easy_setopt(curl(), opt->id, value_int);
401: break;
402: }
403: case CurlOption::CURL_POST:{
404: // http post curl option
405: if(v.get_string()){
1.2 misha 406: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, -1L)) == CURLE_OK )
1.1 misha 407: res=f_curl_easy_setopt(curl(), opt->id, curl_urlencode(v.as_string(), r));
408: } else {
409: VFile *file=v.as_vfile(String::L_AS_IS);
1.2 misha 410: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, (long)file->value_size())) == CURLE_OK )
1.1 misha 411: res=f_curl_easy_setopt(curl(), opt->id, file->value_ptr());
412: }
413: break;
414: }
1.4 misha 415: case CurlOption::CURL_FORM:{
416: HashStringValue *value_hash = v.get_hash();
417: if(value_hash){
418: curl_form(value_hash, r);
1.5 misha 419: } else if(v.get_string()->is_empty()){
1.4 misha 420: f_curl_formfree(options().f_post);
421: options().f_post = 0;
422: } else {
423: throw Exception("curl", 0, "%s must be a hash", key.cstr());
1.5 misha 424: }
1.4 misha 425: res=f_curl_easy_setopt(curl(), CURLOPT_HTTPPOST, foptions->f_post);
426: break;
427: }
1.1 misha 428: case CurlOption::CURL_HEADERS:{
429: // http headers curl option
430: HashStringValue *value_hash=v.get_hash();
431: res=f_curl_easy_setopt(curl(), opt->id, value_hash ? curl_headers(value_hash, r) : 0);
432: break;
433: }
434: case CurlOption::CURL_FILE:{
435: // file-spec curl option
436: const char *value_str=r.absolute(v.as_string()).taint_cstr(String::L_FILE_SPEC);
437: res=f_curl_easy_setopt(curl(), opt->id, value_str);
438: break;
439: }
440: case CurlOption::PARSER_LIBRARY:{
441: // 'library' parser option
442: if(fcurl==0){
443: curl_library=v.as_string().taint_cstr(String::L_FILE_SPEC);
444: } else
445: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), "already loaded");
446: break;
447: }
448: case CurlOption::PARSER_NAME:{
449: // 'name' parser option
450: options().filename=v.as_string().taint_cstr(String::L_FILE_SPEC);
451: break;
452: }
453: case CurlOption::PARSER_CONTENT_TYPE:{
454: // 'content-type' parser option
455: options().content_type=&v.as_string();
456: break;
457: }
458: case CurlOption::PARSER_MODE:{
459: // 'mode' parser option
460: options().is_text=is_text_mode(v.as_string());
461: break;
462: }
463: case CurlOption::PARSER_CHARSET:{
464: // 'charset' parser option
465: options().charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
466: break;
467: }
1.4 misha 468: case CurlOption::PARSER_RESPONSE_CHARSET:{
469: // 'charset' parser option
470: options().response_charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
471: break;
472: }
1.1 misha 473: }
474:
475: if(res != CURLE_OK)
476: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), f_curl_easy_strerror(res));
477: }
478:
1.3 misha 479: static void _curl_options(Request& r, MethodParams& params){
1.1 misha 480: if(curl_options==0)
481: curl_options=new CurlOptionHash();
482:
483: if(HashStringValue* options=params.as_no_junction(0, OPTIONS_MUST_NOT_BE_CODE).get_hash()){
484: options->for_each<Request&>(curl_setopt, r);
485: } else
1.6 misha 486: throw Exception("curl", 0, OPTIONS_MUST_BE_HASH);
1.1 misha 487: }
488:
489:
490: class Curl_buffer{
491: public:
492: char *buf;
493: size_t length;
494: size_t buf_size;
495:
496: Curl_buffer() : buf((char *)pa_malloc(MAX_STRING+1)), length(0), buf_size(MAX_STRING){}
497: };
498:
499: static int curl_writer(char *data, size_t size, size_t nmemb, Curl_buffer *result){
500: if(result == 0)
501: return 0;
502:
503: size=size*nmemb;
504: if(size>0){
505: if(result->length + size >= result->buf_size){
506: result->buf_size = result->buf_size*2 + size;
507: result->buf = (char *)pa_realloc(result->buf, result->buf_size+1);
508: }
509: memcpy(result->buf+result->length, data, size);
510: result->length += size;
511: }
512: return size;
513: }
514:
515: static int curl_header(char *data, size_t size, size_t nmemb, HASH_STRING<char *> *result){
516: if(result == 0)
517: return 0;
518:
519: size=size*nmemb;
520: if(size>0){
521: char *line=pa_strdup(data, size);
522: char *value=lsplit(line,':');
523: if(value && *line){
524: // we need only headers, not the response code
525: result->put(str_upper(line), value);
526: }
527: }
528: return size;
529: }
530:
531: #define CURL_SETOPT(option, arg, message) \
532: if( (res=f_curl_easy_setopt(curl(), option, arg)) != CURLE_OK){ \
533: throw Exception("curl", 0, "failed to set " message ": %s", f_curl_easy_strerror(res)); \
534: }
535:
536: static void _curl_load_action(Request& r, MethodParams& params){
537: if(params.count()==1)
1.3 misha 538: _curl_options(r, params);
1.1 misha 539:
540: CURLcode res;
541:
542: Curl_buffer body;
543: CURL_SETOPT(CURLOPT_WRITEFUNCTION, curl_writer, "curl writer function");
544: CURL_SETOPT(CURLOPT_WRITEDATA, &body, "curl write buffer");
545:
546: // we need a container for headers as VFile fields can be put only after VFile.set
547: HASH_STRING<char *> headers;
548: CURL_SETOPT(CURLOPT_HEADERFUNCTION, curl_header, "curl header function");
549: CURL_SETOPT(CURLOPT_WRITEHEADER, &headers, "curl header buffer");
550:
551: if((res=f_curl_easy_perform(curl())) != CURLE_OK){
1.4 misha 552: char *ex_type = 0;
553: switch(res){
554: case CURLE_OPERATION_TIMEDOUT:
555: ex_type = "curl.timeout"; break;
556: case CURLE_COULDNT_RESOLVE_HOST:
557: ex_type = "curl.host"; break;
558: case CURLE_COULDNT_CONNECT:
559: ex_type = "curl.connect"; break;
560: case CURLE_HTTP_RETURNED_ERROR:
561: ex_type = "curl.status"; break;
562: case CURLE_SSL_CONNECT_ERROR:
563: case CURLE_SSL_CERTPROBLEM:
564: case CURLE_SSL_CIPHER:
565: case CURLE_SSL_CACERT:
566: case CURLE_SSL_ENGINE_INITFAILED:
567: ex_type = "curl.ssl"; break;
568: }
569: throw Exception( ex_type ? ex_type : "curl.fail", 0, "%s", f_curl_easy_strerror(res));
1.1 misha 570: }
571:
572: // assure trailing zero
573: body.buf[body.length]=0;
574:
1.4 misha 575: Value* vcontent_type=
576: options().content_type ? new VString(*options().content_type) :
577: options().filename ? new VString(r.mime_type_of(options().filename)) : 0;
578:
579: VFile& result=*new VFile;
580:
581: String::Body ct_header = headers.get(HTTP_CONTENT_TYPE_UPPER);
1.8 moko 582: Charset *asked_charset = options().response_charset;
583: if (asked_charset == 0){
584: Charset *remote_charset = ct_header.is_empty() ? 0 : detect_charset(ct_header.trim(String::TRIM_BOTH, " \t\n\r").cstr());
585: asked_charset = remote_charset ? remote_charset : options().charset;
586: }
1.1 misha 587:
588: if(options().is_text && asked_charset != 0){
589: String::C c=Charset::transcode(String::C(body.buf, body.length), *asked_charset, r.charsets.source());
590: body.buf=(char *)c.str;
591: body.length=c.length;
592: }
593:
594: result.set(true /*tainted*/, body.buf, body.length, options().filename, vcontent_type);
595: result.set_mode(options().is_text);
596:
1.4 misha 597: long http_status = 0;
598: if(f_curl_easy_getinfo(curl(), CURLINFO_RESPONSE_CODE, &http_status) == CURLE_OK){
599: result.fields().put("status", new VInt(http_status));
600: }
601:
1.1 misha 602: for(HASH_STRING<char *>::Iterator i(headers); i; i.next() ){
603: String::Body key=i.key();
604: String::Body value=i.value();
605: if(asked_charset){
606: key=Charset::transcode(key, *asked_charset, r.charsets.source());
607: value=Charset::transcode(value, *asked_charset, r.charsets.source());
608: }
609: result.fields().put(key, new VString(*new String(value.trim(String::TRIM_BOTH, " \t\n\r"), String::L_TAINTED)));
610: }
611:
612: r.write_no_lang(result);
613: }
614:
615: static void _curl_load(Request& r, MethodParams& params){
616: fcurl ? _curl_load_action(r, params) : temp_curl(_curl_load_action, r, params);
617: }
618:
619: // constructor
620: MCurl::MCurl(): Methoded("curl") {
621: add_native_method("session", Method::CT_STATIC, _curl_session, 1, 1);
1.4 misha 622: add_native_method("version", Method::CT_STATIC, _curl_version, 0, 0);
1.3 misha 623: add_native_method("options", Method::CT_STATIC, _curl_options, 1, 1);
1.1 misha 624: add_native_method("load", Method::CT_STATIC, _curl_load, 0, 1);
1.3 misha 625: }
626:
627: #else // HAVE_CURL
628:
629: #include "classes.h"
630: // global variable
631: DECLARE_CLASS_VAR(curl, 0, 0); // fictive
632:
1.1 misha 633: #endif // HAVE_CURL
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to curl.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / classes