Annotation of parser3/src/classes/curl.C, revision 1.15
1.1 misha 1: /** @file
2: Parser: @b curl parser class.
3:
1.13 moko 4: Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
1.1 misha 5: */
6:
1.3 misha 7: #include "pa_config_includes.h"
8:
1.1 misha 9: #include "pa_vmethod_frame.h"
10: #include "pa_request.h"
11: #include "pa_vfile.h"
12: #include "pa_charsets.h"
1.4 misha 13: #include "pa_vstring.h"
14: #include "pa_vtable.h"
15: #include "pa_common.h"
1.11 moko 16: #include "pa_http.h"
1.5 misha 17: #include "ltdl.h"
1.1 misha 18:
1.15 ! moko 19: volatile const char * IDENT_CURL_C="$Id: curl.C,v 1.14 2012-03-19 21:28:43 moko Exp $";
1.13 moko 20:
1.1 misha 21: class MCurl: public Methoded {
22: public:
23: MCurl();
24: };
25:
26: // global variables
27:
28: DECLARE_CLASS_VAR(curl, new MCurl, 0);
29:
30: #include "curl.h"
31:
32: typedef CURL *(*t_curl_easy_init)(); t_curl_easy_init f_curl_easy_init;
33: typedef CURLcode (*t_curl_easy_setopt)(CURL *, CURLoption option, ...); t_curl_easy_setopt f_curl_easy_setopt;
34: typedef CURLcode (*t_curl_easy_perform)(CURL *); t_curl_easy_perform f_curl_easy_perform;
35: typedef void (*t_curl_easy_cleanup)(CURL *); t_curl_easy_cleanup f_curl_easy_cleanup;
36: typedef const char *(*t_curl_easy_strerror)(CURLcode); t_curl_easy_strerror f_curl_easy_strerror;
1.4 misha 37: typedef CURLcode (*t_curl_easy_getinfo)(CURL *curl, CURLINFO info, ...); t_curl_easy_getinfo f_curl_easy_getinfo;
1.1 misha 38: typedef struct curl_slist *(*t_curl_slist_append)(struct curl_slist *,const char *); t_curl_slist_append f_curl_slist_append;
1.4 misha 39: typedef const char *(*t_curl_version)(); t_curl_version f_curl_version;
40: typedef CURLFORMcode (*t_curl_formadd)(struct curl_httppost **httppost, struct curl_httppost **last_post, ...); t_curl_formadd f_curl_formadd;
41: typedef void (*t_curl_formfree)(struct curl_httppost *form); t_curl_formfree f_curl_formfree;
1.1 misha 42:
43: #define GLINK(name) f_##name=(t_##name)lt_dlsym(handle, #name);
44: #define DLINK(name) GLINK(name) if(!f_##name) return "function " #name " was not found";
45:
1.14 moko 46: static const char *dlink(const char *dlopen_file_spec) {
1.1 misha 47: if(lt_dlinit())
48: return lt_dlerror();
49:
50: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
51:
52: if(!handle){
53: if(const char* result=lt_dlerror())
54: return result;
55: return "can not open the dynamic link module";
56: }
57:
58: DLINK(curl_easy_init);
59: DLINK(curl_easy_cleanup);
1.4 misha 60: DLINK(curl_version);
1.1 misha 61: DLINK(curl_easy_setopt);
62: DLINK(curl_easy_perform);
63: DLINK(curl_easy_strerror);
1.4 misha 64: DLINK(curl_easy_getinfo);
1.1 misha 65: DLINK(curl_slist_append);
1.4 misha 66: DLINK(curl_formadd);
67: DLINK(curl_formfree);
1.1 misha 68: return 0;
69: }
70:
71:
72: class ParserOptions {
73: public:
1.12 misha 74: const String *filename;
1.1 misha 75: const String *content_type;
76: bool is_text;
1.4 misha 77: Charset *charset, *response_charset;
78: struct curl_httppost *f_post;
1.1 misha 79:
1.4 misha 80: ParserOptions() : filename(0), content_type(0), is_text(true), charset(0), response_charset(0), f_post(0){}
81: ~ParserOptions() {
82: f_curl_formfree(f_post);
83: }
84:
1.1 misha 85: };
86:
1.9 moko 87: // using TLS instead of keeping variables in request
88: THREAD_LOCAL CURL *fcurl = 0;
89: THREAD_LOCAL ParserOptions *foptions = 0;
1.1 misha 90:
91: static CURL *curl(){
92: if(!fcurl)
93: throw Exception("curl", 0, "outside of 'session' operator");
94: return fcurl;
95: }
96:
97: static ParserOptions &options(){
98: if(!foptions)
99: throw Exception("curl", 0, "outside of 'session' operator");
100: return *foptions;
101: }
102:
103: // using temporal object scheme to garanty cleanup call
104: class Temp_curl {
1.4 misha 105: CURL *saved_curl;
106: ParserOptions *saved_options;
1.1 misha 107: public:
1.4 misha 108: Temp_curl() : saved_curl(fcurl), saved_options(foptions){
1.5 misha 109: fcurl = f_curl_easy_init();
110: foptions = new ParserOptions();
1.4 misha 111: f_curl_easy_setopt(fcurl, CURLOPT_POSTFIELDSIZE, 0); // fix libcurl bug
1.1 misha 112: }
113: ~Temp_curl() {
114: f_curl_easy_cleanup(fcurl);
115: fcurl = saved_curl;
116: delete foptions;
117: foptions = saved_options;
118: }
119: };
120:
121: bool curl_linked = false;
122: #ifdef WIN32
123: const char *curl_library="libcurl.dll";
124: #else
125: const char *curl_library="libcurl.so";
126: #endif
127:
128: const char *curl_status = 0;
129:
130: static void temp_curl(void (*action)(Request&, MethodParams&), Request& r, MethodParams& params){
131: if(!curl_linked){
132: curl_linked=true;
133: curl_status=dlink(curl_library);
134: }
135:
136: if(curl_status == 0){
137: Temp_curl temp_curl;
138: action(r,params);
139: } else {
140: throw Exception("curl", 0, "failed to load curl library %s: %s", curl_library, curl_status);
141: }
142: }
143:
144: static void _curl_session_action(Request& r, MethodParams& params){
145: Value& body_code=params.as_junction(0, "body must be code");
146: r.process_write(body_code);
147: }
148:
149: static void _curl_session(Request& r, MethodParams& params){
150: temp_curl(_curl_session_action, r, params);
151: }
152:
1.5 misha 153: static void _curl_version_action(Request& r, MethodParams& ){
1.4 misha 154: r.write_no_lang(*new VString(*new String(f_curl_version(), String::L_TAINTED)));
155: }
156:
157: static void _curl_version(Request& r, MethodParams& params){
158: fcurl ? _curl_version_action(r, params) : temp_curl(_curl_version_action, r, params);
159: }
1.1 misha 160:
161: static char *str_lower(const char *str){
162: char *result=pa_strdup(str);
163: for(char* c=result; *c; c++)
164: *c=(char)tolower((unsigned char)*c);
165: return result;
166: }
167:
168: static char *str_upper(const char *str){
169: char *result=pa_strdup(str);
170: for(char* c=result; *c; c++)
171: *c=(char)toupper((unsigned char)*c);
172: return result;
173: }
174:
175: class CurlOption {
176: public:
177:
178: enum OptionType {
179: CURL_STRING,
180: CURL_URLENCODE, // url-encoded string
1.4 misha 181: CURL_URL,
1.1 misha 182: CURL_INT,
183: CURL_POST,
1.4 misha 184: CURL_FORM,
1.1 misha 185: CURL_HEADERS,
186: CURL_FILE,
1.15 ! moko 187: CURL_STDERR,
1.1 misha 188: PARSER_LIBRARY,
189: PARSER_NAME,
190: PARSER_CONTENT_TYPE,
191: PARSER_MODE,
1.4 misha 192: PARSER_CHARSET,
193: PARSER_RESPONSE_CHARSET
1.1 misha 194: };
195:
196: CURLoption id;
197: OptionType type;
198: CurlOption(CURLoption aid, OptionType atype): id(aid), type(atype) {}
199: };
200:
201: class CurlOptionHash: public HashString<CurlOption*> {
202: public:
203: CurlOptionHash() {
204: #define CURL_OPT(type, name) put(str_lower(#name),new CurlOption(CURLOPT_##name, CurlOption::type));
205: #define PARSER_OPT(type, name) put(name,new CurlOption((CURLoption)0, CurlOption::type));
1.4 misha 206: CURL_OPT(CURL_URL, URL);
1.1 misha 207: CURL_OPT(CURL_STRING, INTERFACE);
208: CURL_OPT(CURL_INT, LOCALPORT);
209: CURL_OPT(CURL_INT, PORT);
1.4 misha 210:
1.15 ! moko 211: CURL_OPT(CURL_INT, VERBOSE);
! 212: CURL_OPT(CURL_STDERR, STDERR);
! 213: CURL_OPT(CURL_INT, MAXFILESIZE);
! 214:
1.1 misha 215: CURL_OPT(CURL_INT, HTTPAUTH);
216: CURL_OPT(CURL_STRING, USERPWD);
217:
218: CURL_OPT(CURL_STRING, USERNAME);
219: CURL_OPT(CURL_STRING, PASSWORD);
220:
1.4 misha 221: CURL_OPT(CURL_URLENCODE, USERAGENT);
222: CURL_OPT(CURL_URLENCODE, REFERER);
1.1 misha 223: CURL_OPT(CURL_INT, AUTOREFERER);
224: CURL_OPT(CURL_STRING, ENCODING); // gzip or deflate
225: CURL_OPT(CURL_INT, FOLLOWLOCATION);
226: CURL_OPT(CURL_INT, UNRESTRICTED_AUTH);
227:
228: CURL_OPT(CURL_INT, POST);
229: CURL_OPT(CURL_INT, HTTPGET);
1.4 misha 230: CURL_OPT(CURL_INT, NOBODY);
231: CURL_OPT(CURL_STRING, CUSTOMREQUEST);
1.1 misha 232:
233: CURL_OPT(CURL_POST, POSTFIELDS); // hopefully is safe too
234: CURL_OPT(CURL_POST, COPYPOSTFIELDS);
1.4 misha 235: CURL_OPT(CURL_FORM, HTTPPOST);
1.1 misha 236:
237: CURL_OPT(CURL_HEADERS, HTTPHEADER);
238: CURL_OPT(CURL_URLENCODE, COOKIE);
239: CURL_OPT(CURL_URLENCODE, COOKIELIST);
240: CURL_OPT(CURL_INT, COOKIESESSION);
241:
242: CURL_OPT(CURL_INT, IGNORE_CONTENT_LENGTH);
243: CURL_OPT(CURL_INT, HTTP_CONTENT_DECODING);
244: CURL_OPT(CURL_INT, HTTP_TRANSFER_DECODING);
245:
1.4 misha 246: CURL_OPT(CURL_INT, MAXREDIRS);
247: CURL_OPT(CURL_INT, POSTREDIR);
248:
249: CURL_OPT(CURL_STRING, RANGE);
250:
1.1 misha 251: CURL_OPT(CURL_INT, TIMEOUT);
252: CURL_OPT(CURL_INT, TIMEOUT_MS);
253: CURL_OPT(CURL_INT, LOW_SPEED_LIMIT);
254: CURL_OPT(CURL_INT, LOW_SPEED_TIME);
255: CURL_OPT(CURL_INT, MAXCONNECTS);
256:
1.4 misha 257: CURL_OPT(CURL_STRING, PROXY);
258: CURL_OPT(CURL_INT, PROXYPORT);
259: CURL_OPT(CURL_INT, PROXYTYPE);
260: CURL_OPT(CURL_INT, HTTPPROXYTUNNEL);
261: CURL_OPT(CURL_STRING, PROXYUSERPWD);
262: CURL_OPT(CURL_INT, PROXYAUTH);
263:
1.1 misha 264: CURL_OPT(CURL_INT, FRESH_CONNECT);
265: CURL_OPT(CURL_INT, FORBID_REUSE);
266: CURL_OPT(CURL_INT, CONNECTTIMEOUT);
267: CURL_OPT(CURL_INT, CONNECTTIMEOUT_MS);
1.4 misha 268: CURL_OPT(CURL_INT, FAILONERROR);
1.1 misha 269:
270: CURL_OPT(CURL_FILE, SSLCERT);
271: CURL_OPT(CURL_STRING, SSLCERTTYPE);
272: CURL_OPT(CURL_FILE, SSLKEY);
273: CURL_OPT(CURL_STRING, SSLKEYTYPE);
274: CURL_OPT(CURL_STRING, KEYPASSWD);
275: CURL_OPT(CURL_STRING, SSLENGINE);
276: CURL_OPT(CURL_STRING, SSLENGINE_DEFAULT);
277:
1.2 misha 278: #ifdef CURLOPT_ISSUERCERT
1.1 misha 279: CURL_OPT(CURL_FILE, ISSUERCERT);
1.2 misha 280: #endif
281:
282: #ifdef CURLOPT_CRLFILE
1.1 misha 283: CURL_OPT(CURL_FILE, CRLFILE);
1.2 misha 284: #endif
1.1 misha 285:
286: CURL_OPT(CURL_STRING, CAINFO);
287: CURL_OPT(CURL_STRING, CAPATH);
288: CURL_OPT(CURL_INT, SSL_VERIFYPEER);
289: CURL_OPT(CURL_INT, SSL_VERIFYHOST);
290: CURL_OPT(CURL_STRING, SSL_CIPHER_LIST);
291: CURL_OPT(CURL_INT, SSL_SESSIONID_CACHE);
292:
293: PARSER_OPT(PARSER_LIBRARY, "library");
294: PARSER_OPT(PARSER_NAME, "name");
295: PARSER_OPT(PARSER_CONTENT_TYPE, "content-type");
296: PARSER_OPT(PARSER_MODE, "mode");
297: PARSER_OPT(PARSER_CHARSET, "charset");
1.4 misha 298: PARSER_OPT(PARSER_RESPONSE_CHARSET, "response-charset");
1.1 misha 299: }
300:
301: } *curl_options=0;
302:
303: static const char *curl_urlencode(const String &s, Request& r){
304: if(options().charset){
305: Temp_client_charset temp(r.charsets, *options().charset);
306: return s.untaint_and_transcode_cstr(String::L_URI, &r.charsets);
307: } else
308: return s.untaint_cstr(String::L_URI);
309: }
310:
311: static struct curl_slist *curl_headers(HashStringValue *value_hash, Request& r) {
312: struct curl_slist *slist=NULL;
313:
314: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
315: String header =
1.10 moko 316: String(pa_http_safe_header_name(capitalize(i.key().cstr())), String::L_AS_IS)
1.1 misha 317: << ": "
1.10 moko 318: << String(i.value()->as_string(), String::L_HTTP_HEADER);
1.1 misha 319:
320: slist=f_curl_slist_append(slist, curl_urlencode(header, r));
321: }
322: return slist;
323: }
324:
1.4 misha 325: static const char* curl_transcode(const String &s, Request& r){
326: return options().charset ? Charset::transcode(s.cstr(), r.charsets.source(), *options().charset).cstr() : s.cstr();
327: }
328:
329: static void curl_form(HashStringValue *value_hash, Request& r){
330: struct curl_httppost *f_last=0;
331: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
332: const char *key = curl_transcode(String(i.key().cstr()), r);
333: if(const String* svalue = i.value()->get_string()){
334: // string
335: f_curl_formadd(&options().f_post, &f_last,
336: CURLFORM_PTRNAME, key,
337: CURLFORM_PTRCONTENTS, curl_transcode(String(svalue->cstr()), r),
338: CURLFORM_END);
339: } else if(Table* tvalue = i.value()->get_table()){
340: // table
341: for(size_t t = 0; t < tvalue->count(); t++) {
342: f_curl_formadd(&options().f_post, &f_last,
343: CURLFORM_PTRNAME, key,
344: CURLFORM_PTRCONTENTS, curl_transcode(String(tvalue->get(t)->get(0)->cstr()), r),
345: CURLFORM_END);
346: }
347: } else if(VFile* fvalue=static_cast<VFile *>(i.value()->as("file"))){
348: // file
349: f_curl_formadd(&options().f_post, &f_last,
350: CURLFORM_PTRNAME, key,
351: CURLFORM_BUFFER, curl_transcode(String(fvalue->fields().get("name")->as_string(), String::L_FILE_SPEC), r),
352: CURLFORM_BUFFERLENGTH, (long)fvalue->value_size(),
353: CURLFORM_BUFFERPTR, fvalue->value_ptr(),
354: CURLFORM_CONTENTTYPE, fvalue->fields().get("content-type")->as_string().taint_cstr(String::L_URI),
355: CURLFORM_END);
356: } else {
357: 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());
358: }
359: }
360: }
361:
1.1 misha 362: static void curl_setopt(HashStringValue::key_type key, HashStringValue::value_type value, Request& r) {
363: CurlOption *opt=curl_options->get(key);
364:
365: if(opt==0)
366: throw Exception("curl", 0, "called with invalid option '%s'", key.cstr());
367:
368: CURLcode res = CURLE_OK;
369: Value &v=r.process_to_value(*value);
370:
371: switch (opt->type){
372: case CurlOption::CURL_STRING:{
373: // string curl option
374: const char *value_str=v.as_string().cstr();
375: res=f_curl_easy_setopt(curl(), opt->id, value_str);
376: break;
377: }
378: case CurlOption::CURL_URLENCODE:{
379: // url-encoded string curl option
380: const char *value_str=curl_urlencode(v.as_string(), r);
381: res=f_curl_easy_setopt(curl(), opt->id, value_str);
382: break;
383: }
1.4 misha 384: case CurlOption::CURL_URL:{
385: // url-encoded string curl_url option
1.5 misha 386: const String url = v.as_string();
387: if(!url.starts_with("http://") && !url.starts_with("https://"))
388: throw Exception("curl", 0, "failed to set option '%s': invalid url scheme '%s'", key.cstr(), url.cstr());
1.4 misha 389: const char *value_str=curl_urlencode(url, r);
390: res=f_curl_easy_setopt(curl(), opt->id, value_str);
391: break;
392: }
1.1 misha 393: case CurlOption::CURL_INT:{
1.2 misha 394: // integer curl option
395: long value_int=(long)v.as_double();
1.1 misha 396: res=f_curl_easy_setopt(curl(), opt->id, value_int);
397: break;
398: }
399: case CurlOption::CURL_POST:{
400: // http post curl option
401: if(v.get_string()){
1.2 misha 402: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, -1L)) == CURLE_OK )
1.1 misha 403: res=f_curl_easy_setopt(curl(), opt->id, curl_urlencode(v.as_string(), r));
404: } else {
405: VFile *file=v.as_vfile(String::L_AS_IS);
1.2 misha 406: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, (long)file->value_size())) == CURLE_OK )
1.1 misha 407: res=f_curl_easy_setopt(curl(), opt->id, file->value_ptr());
408: }
409: break;
410: }
1.4 misha 411: case CurlOption::CURL_FORM:{
412: HashStringValue *value_hash = v.get_hash();
413: if(value_hash){
414: curl_form(value_hash, r);
1.5 misha 415: } else if(v.get_string()->is_empty()){
1.4 misha 416: f_curl_formfree(options().f_post);
417: options().f_post = 0;
418: } else {
419: throw Exception("curl", 0, "%s must be a hash", key.cstr());
1.5 misha 420: }
1.4 misha 421: res=f_curl_easy_setopt(curl(), CURLOPT_HTTPPOST, foptions->f_post);
422: break;
423: }
1.1 misha 424: case CurlOption::CURL_HEADERS:{
425: // http headers curl option
426: HashStringValue *value_hash=v.get_hash();
427: res=f_curl_easy_setopt(curl(), opt->id, value_hash ? curl_headers(value_hash, r) : 0);
428: break;
429: }
430: case CurlOption::CURL_FILE:{
431: // file-spec curl option
432: const char *value_str=r.absolute(v.as_string()).taint_cstr(String::L_FILE_SPEC);
433: res=f_curl_easy_setopt(curl(), opt->id, value_str);
434: break;
435: }
436: case CurlOption::PARSER_LIBRARY:{
437: // 'library' parser option
438: if(fcurl==0){
439: curl_library=v.as_string().taint_cstr(String::L_FILE_SPEC);
440: } else
441: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), "already loaded");
442: break;
443: }
444: case CurlOption::PARSER_NAME:{
445: // 'name' parser option
1.12 misha 446: options().filename=&v.as_string();
1.1 misha 447: break;
448: }
449: case CurlOption::PARSER_CONTENT_TYPE:{
450: // 'content-type' parser option
451: options().content_type=&v.as_string();
452: break;
453: }
454: case CurlOption::PARSER_MODE:{
455: // 'mode' parser option
1.12 misha 456: options().is_text=VFile::is_text_mode(v.as_string());
1.1 misha 457: break;
458: }
459: case CurlOption::PARSER_CHARSET:{
460: // 'charset' parser option
461: options().charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
462: break;
463: }
1.4 misha 464: case CurlOption::PARSER_RESPONSE_CHARSET:{
1.12 misha 465: // 'response-charset' parser option
1.4 misha 466: options().response_charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
467: break;
468: }
1.1 misha 469: }
470:
471: if(res != CURLE_OK)
472: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), f_curl_easy_strerror(res));
473: }
474:
1.3 misha 475: static void _curl_options(Request& r, MethodParams& params){
1.1 misha 476: if(curl_options==0)
477: curl_options=new CurlOptionHash();
478:
479: if(HashStringValue* options=params.as_no_junction(0, OPTIONS_MUST_NOT_BE_CODE).get_hash()){
480: options->for_each<Request&>(curl_setopt, r);
481: } else
1.6 misha 482: throw Exception("curl", 0, OPTIONS_MUST_BE_HASH);
1.1 misha 483: }
484:
485:
486: class Curl_buffer{
487: public:
488: char *buf;
489: size_t length;
490: size_t buf_size;
491:
492: Curl_buffer() : buf((char *)pa_malloc(MAX_STRING+1)), length(0), buf_size(MAX_STRING){}
493: };
494:
495: static int curl_writer(char *data, size_t size, size_t nmemb, Curl_buffer *result){
496: if(result == 0)
497: return 0;
498:
499: size=size*nmemb;
500: if(size>0){
501: if(result->length + size >= result->buf_size){
502: result->buf_size = result->buf_size*2 + size;
503: result->buf = (char *)pa_realloc(result->buf, result->buf_size+1);
504: }
505: memcpy(result->buf+result->length, data, size);
506: result->length += size;
507: }
508: return size;
509: }
510:
511: static int curl_header(char *data, size_t size, size_t nmemb, HASH_STRING<char *> *result){
512: if(result == 0)
513: return 0;
514:
515: size=size*nmemb;
516: if(size>0){
517: char *line=pa_strdup(data, size);
518: char *value=lsplit(line,':');
519: if(value && *line){
520: // we need only headers, not the response code
521: result->put(str_upper(line), value);
522: }
523: }
524: return size;
525: }
526:
527: #define CURL_SETOPT(option, arg, message) \
528: if( (res=f_curl_easy_setopt(curl(), option, arg)) != CURLE_OK){ \
529: throw Exception("curl", 0, "failed to set " message ": %s", f_curl_easy_strerror(res)); \
530: }
531:
532: static void _curl_load_action(Request& r, MethodParams& params){
533: if(params.count()==1)
1.3 misha 534: _curl_options(r, params);
1.1 misha 535:
536: CURLcode res;
537:
538: Curl_buffer body;
539: CURL_SETOPT(CURLOPT_WRITEFUNCTION, curl_writer, "curl writer function");
540: CURL_SETOPT(CURLOPT_WRITEDATA, &body, "curl write buffer");
541:
542: // we need a container for headers as VFile fields can be put only after VFile.set
543: HASH_STRING<char *> headers;
544: CURL_SETOPT(CURLOPT_HEADERFUNCTION, curl_header, "curl header function");
545: CURL_SETOPT(CURLOPT_WRITEHEADER, &headers, "curl header buffer");
546:
547: if((res=f_curl_easy_perform(curl())) != CURLE_OK){
1.15 ! moko 548: const char *ex_type = 0;
1.4 misha 549: switch(res){
550: case CURLE_OPERATION_TIMEDOUT:
551: ex_type = "curl.timeout"; break;
552: case CURLE_COULDNT_RESOLVE_HOST:
553: ex_type = "curl.host"; break;
554: case CURLE_COULDNT_CONNECT:
555: ex_type = "curl.connect"; break;
556: case CURLE_HTTP_RETURNED_ERROR:
557: ex_type = "curl.status"; break;
558: case CURLE_SSL_CONNECT_ERROR:
559: case CURLE_SSL_CERTPROBLEM:
560: case CURLE_SSL_CIPHER:
561: case CURLE_SSL_CACERT:
562: case CURLE_SSL_ENGINE_INITFAILED:
563: ex_type = "curl.ssl"; break;
564: }
565: throw Exception( ex_type ? ex_type : "curl.fail", 0, "%s", f_curl_easy_strerror(res));
1.1 misha 566: }
567:
568: // assure trailing zero
569: body.buf[body.length]=0;
570:
1.4 misha 571: VFile& result=*new VFile;
572:
573: String::Body ct_header = headers.get(HTTP_CONTENT_TYPE_UPPER);
1.8 moko 574: Charset *asked_charset = options().response_charset;
575: if (asked_charset == 0){
576: Charset *remote_charset = ct_header.is_empty() ? 0 : detect_charset(ct_header.trim(String::TRIM_BOTH, " \t\n\r").cstr());
577: asked_charset = remote_charset ? remote_charset : options().charset;
578: }
1.1 misha 579:
580: if(options().is_text && asked_charset != 0){
581: String::C c=Charset::transcode(String::C(body.buf, body.length), *asked_charset, r.charsets.source());
582: body.buf=(char *)c.str;
583: body.length=c.length;
584: }
585:
1.12 misha 586: result.set(true /*tainted*/, body.buf, body.length, options().filename
587: , options().content_type ? new VString(*options().content_type) : 0
588: , &r);
1.1 misha 589: result.set_mode(options().is_text);
590:
1.4 misha 591: long http_status = 0;
592: if(f_curl_easy_getinfo(curl(), CURLINFO_RESPONSE_CODE, &http_status) == CURLE_OK){
593: result.fields().put("status", new VInt(http_status));
594: }
595:
1.1 misha 596: for(HASH_STRING<char *>::Iterator i(headers); i; i.next() ){
597: String::Body key=i.key();
598: String::Body value=i.value();
599: if(asked_charset){
600: key=Charset::transcode(key, *asked_charset, r.charsets.source());
601: value=Charset::transcode(value, *asked_charset, r.charsets.source());
602: }
603: result.fields().put(key, new VString(*new String(value.trim(String::TRIM_BOTH, " \t\n\r"), String::L_TAINTED)));
604: }
605:
606: r.write_no_lang(result);
607: }
608:
609: static void _curl_load(Request& r, MethodParams& params){
610: fcurl ? _curl_load_action(r, params) : temp_curl(_curl_load_action, r, params);
611: }
612:
613: // constructor
614: MCurl::MCurl(): Methoded("curl") {
615: add_native_method("session", Method::CT_STATIC, _curl_session, 1, 1);
1.4 misha 616: add_native_method("version", Method::CT_STATIC, _curl_version, 0, 0);
1.3 misha 617: add_native_method("options", Method::CT_STATIC, _curl_options, 1, 1);
1.1 misha 618: add_native_method("load", Method::CT_STATIC, _curl_load, 0, 1);
1.3 misha 619: }
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