Annotation of parser3/src/classes/curl.C, revision 1.14
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:
9: #ifdef HAVE_CURL
10:
1.1 misha 11: #include "pa_vmethod_frame.h"
12: #include "pa_request.h"
13: #include "pa_vfile.h"
14: #include "pa_charsets.h"
1.4 misha 15: #include "pa_vstring.h"
16: #include "pa_vtable.h"
17: #include "pa_common.h"
1.11 moko 18: #include "pa_http.h"
1.5 misha 19: #include "ltdl.h"
1.1 misha 20:
1.14 ! moko 21: volatile const char * IDENT_CURL_C="$Id: curl.C,v 1.13 2012-03-16 09:24:06 moko Exp $";
1.13 moko 22:
1.1 misha 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: #include "curl.h"
33:
34: typedef CURL *(*t_curl_easy_init)(); t_curl_easy_init f_curl_easy_init;
35: typedef CURLcode (*t_curl_easy_setopt)(CURL *, CURLoption option, ...); t_curl_easy_setopt f_curl_easy_setopt;
36: typedef CURLcode (*t_curl_easy_perform)(CURL *); t_curl_easy_perform f_curl_easy_perform;
37: typedef void (*t_curl_easy_cleanup)(CURL *); t_curl_easy_cleanup f_curl_easy_cleanup;
38: typedef const char *(*t_curl_easy_strerror)(CURLcode); t_curl_easy_strerror f_curl_easy_strerror;
1.4 misha 39: typedef CURLcode (*t_curl_easy_getinfo)(CURL *curl, CURLINFO info, ...); t_curl_easy_getinfo f_curl_easy_getinfo;
1.1 misha 40: typedef struct curl_slist *(*t_curl_slist_append)(struct curl_slist *,const char *); t_curl_slist_append f_curl_slist_append;
1.4 misha 41: typedef const char *(*t_curl_version)(); t_curl_version f_curl_version;
42: typedef CURLFORMcode (*t_curl_formadd)(struct curl_httppost **httppost, struct curl_httppost **last_post, ...); t_curl_formadd f_curl_formadd;
43: typedef void (*t_curl_formfree)(struct curl_httppost *form); t_curl_formfree f_curl_formfree;
1.1 misha 44:
45: #define GLINK(name) f_##name=(t_##name)lt_dlsym(handle, #name);
46: #define DLINK(name) GLINK(name) if(!f_##name) return "function " #name " was not found";
47:
1.14 ! moko 48: static const char *dlink(const char *dlopen_file_spec) {
1.1 misha 49: if(lt_dlinit())
50: return lt_dlerror();
51:
52: lt_dlhandle handle=lt_dlopen(dlopen_file_spec);
53:
54: if(!handle){
55: if(const char* result=lt_dlerror())
56: return result;
57: return "can not open the dynamic link module";
58: }
59:
60: DLINK(curl_easy_init);
61: DLINK(curl_easy_cleanup);
1.4 misha 62: DLINK(curl_version);
1.1 misha 63: DLINK(curl_easy_setopt);
64: DLINK(curl_easy_perform);
65: DLINK(curl_easy_strerror);
1.4 misha 66: DLINK(curl_easy_getinfo);
1.1 misha 67: DLINK(curl_slist_append);
1.4 misha 68: DLINK(curl_formadd);
69: DLINK(curl_formfree);
1.1 misha 70: return 0;
71: }
72:
73:
74: class ParserOptions {
75: public:
1.12 misha 76: const String *filename;
1.1 misha 77: const String *content_type;
78: bool is_text;
1.4 misha 79: Charset *charset, *response_charset;
80: struct curl_httppost *f_post;
1.1 misha 81:
1.4 misha 82: ParserOptions() : filename(0), content_type(0), is_text(true), charset(0), response_charset(0), f_post(0){}
83: ~ParserOptions() {
84: f_curl_formfree(f_post);
85: }
86:
1.1 misha 87: };
88:
1.9 moko 89: // using TLS instead of keeping variables in request
90: THREAD_LOCAL CURL *fcurl = 0;
91: THREAD_LOCAL ParserOptions *foptions = 0;
1.1 misha 92:
93: static CURL *curl(){
94: if(!fcurl)
95: throw Exception("curl", 0, "outside of 'session' operator");
96: return fcurl;
97: }
98:
99: static ParserOptions &options(){
100: if(!foptions)
101: throw Exception("curl", 0, "outside of 'session' operator");
102: return *foptions;
103: }
104:
105: // using temporal object scheme to garanty cleanup call
106: class Temp_curl {
1.4 misha 107: CURL *saved_curl;
108: ParserOptions *saved_options;
1.1 misha 109: public:
1.4 misha 110: Temp_curl() : saved_curl(fcurl), saved_options(foptions){
1.5 misha 111: fcurl = f_curl_easy_init();
112: foptions = new ParserOptions();
1.4 misha 113: f_curl_easy_setopt(fcurl, CURLOPT_POSTFIELDSIZE, 0); // fix libcurl bug
1.1 misha 114: }
115: ~Temp_curl() {
116: f_curl_easy_cleanup(fcurl);
117: fcurl = saved_curl;
118: delete foptions;
119: foptions = saved_options;
120: }
121: };
122:
123: bool curl_linked = false;
124: #ifdef WIN32
125: const char *curl_library="libcurl.dll";
126: #else
127: const char *curl_library="libcurl.so";
128: #endif
129:
130: const char *curl_status = 0;
131:
132: static void temp_curl(void (*action)(Request&, MethodParams&), Request& r, MethodParams& params){
133: if(!curl_linked){
134: curl_linked=true;
135: curl_status=dlink(curl_library);
136: }
137:
138: if(curl_status == 0){
139: Temp_curl temp_curl;
140: action(r,params);
141: } else {
142: throw Exception("curl", 0, "failed to load curl library %s: %s", curl_library, curl_status);
143: }
144: }
145:
146: static void _curl_session_action(Request& r, MethodParams& params){
147: Value& body_code=params.as_junction(0, "body must be code");
148: r.process_write(body_code);
149: }
150:
151: static void _curl_session(Request& r, MethodParams& params){
152: temp_curl(_curl_session_action, r, params);
153: }
154:
1.5 misha 155: static void _curl_version_action(Request& r, MethodParams& ){
1.4 misha 156: r.write_no_lang(*new VString(*new String(f_curl_version(), String::L_TAINTED)));
157: }
158:
159: static void _curl_version(Request& r, MethodParams& params){
160: fcurl ? _curl_version_action(r, params) : temp_curl(_curl_version_action, r, params);
161: }
1.1 misha 162:
163: static char *str_lower(const char *str){
164: char *result=pa_strdup(str);
165: for(char* c=result; *c; c++)
166: *c=(char)tolower((unsigned char)*c);
167: return result;
168: }
169:
170: static char *str_upper(const char *str){
171: char *result=pa_strdup(str);
172: for(char* c=result; *c; c++)
173: *c=(char)toupper((unsigned char)*c);
174: return result;
175: }
176:
177: class CurlOption {
178: public:
179:
180: enum OptionType {
181: CURL_STRING,
182: CURL_URLENCODE, // url-encoded string
1.4 misha 183: CURL_URL,
1.1 misha 184: CURL_INT,
185: CURL_POST,
1.4 misha 186: CURL_FORM,
1.1 misha 187: CURL_HEADERS,
188: CURL_FILE,
189: PARSER_LIBRARY,
190: PARSER_NAME,
191: PARSER_CONTENT_TYPE,
192: PARSER_MODE,
1.4 misha 193: PARSER_CHARSET,
194: PARSER_RESPONSE_CHARSET
1.1 misha 195: };
196:
197: CURLoption id;
198: OptionType type;
199: CurlOption(CURLoption aid, OptionType atype): id(aid), type(atype) {}
200: };
201:
202: class CurlOptionHash: public HashString<CurlOption*> {
203: public:
204: CurlOptionHash() {
205: #define CURL_OPT(type, name) put(str_lower(#name),new CurlOption(CURLOPT_##name, CurlOption::type));
206: #define PARSER_OPT(type, name) put(name,new CurlOption((CURLoption)0, CurlOption::type));
1.4 misha 207: CURL_OPT(CURL_URL, URL);
1.1 misha 208: CURL_OPT(CURL_STRING, INTERFACE);
209: CURL_OPT(CURL_INT, LOCALPORT);
210: CURL_OPT(CURL_INT, PORT);
1.4 misha 211:
1.1 misha 212: CURL_OPT(CURL_INT, HTTPAUTH);
213: CURL_OPT(CURL_STRING, USERPWD);
214:
1.2 misha 215: #ifdef CURLOPT_USERNAME
1.1 misha 216: CURL_OPT(CURL_STRING, USERNAME);
217: CURL_OPT(CURL_STRING, PASSWORD);
1.2 misha 218: #endif
1.1 misha 219:
1.4 misha 220: CURL_OPT(CURL_URLENCODE, USERAGENT);
221: CURL_OPT(CURL_URLENCODE, REFERER);
1.1 misha 222: CURL_OPT(CURL_INT, AUTOREFERER);
223: CURL_OPT(CURL_STRING, ENCODING); // gzip or deflate
224: CURL_OPT(CURL_INT, FOLLOWLOCATION);
225: CURL_OPT(CURL_INT, UNRESTRICTED_AUTH);
226:
227: CURL_OPT(CURL_INT, POST);
228: CURL_OPT(CURL_INT, HTTPGET);
1.4 misha 229: CURL_OPT(CURL_INT, NOBODY);
230: CURL_OPT(CURL_STRING, CUSTOMREQUEST);
1.1 misha 231:
232: CURL_OPT(CURL_POST, POSTFIELDS); // hopefully is safe too
233: CURL_OPT(CURL_POST, COPYPOSTFIELDS);
1.4 misha 234: CURL_OPT(CURL_FORM, HTTPPOST);
1.1 misha 235:
236: CURL_OPT(CURL_HEADERS, HTTPHEADER);
237: CURL_OPT(CURL_URLENCODE, COOKIE);
238: CURL_OPT(CURL_URLENCODE, COOKIELIST);
239: CURL_OPT(CURL_INT, COOKIESESSION);
240:
241: CURL_OPT(CURL_INT, IGNORE_CONTENT_LENGTH);
242: CURL_OPT(CURL_INT, HTTP_CONTENT_DECODING);
243: CURL_OPT(CURL_INT, HTTP_TRANSFER_DECODING);
244:
1.4 misha 245: CURL_OPT(CURL_INT, MAXREDIRS);
1.11 moko 246: #ifdef CURLOPT_POSTREDIR
1.4 misha 247: CURL_OPT(CURL_INT, POSTREDIR);
1.11 moko 248: #endif
1.4 misha 249:
250: CURL_OPT(CURL_STRING, RANGE);
251:
1.1 misha 252: CURL_OPT(CURL_INT, TIMEOUT);
253: CURL_OPT(CURL_INT, TIMEOUT_MS);
254: CURL_OPT(CURL_INT, LOW_SPEED_LIMIT);
255: CURL_OPT(CURL_INT, LOW_SPEED_TIME);
256: CURL_OPT(CURL_INT, MAXCONNECTS);
257:
1.4 misha 258: CURL_OPT(CURL_STRING, PROXY);
259: CURL_OPT(CURL_INT, PROXYPORT);
260: CURL_OPT(CURL_INT, PROXYTYPE);
261: CURL_OPT(CURL_INT, HTTPPROXYTUNNEL);
262: CURL_OPT(CURL_STRING, PROXYUSERPWD);
263: CURL_OPT(CURL_INT, PROXYAUTH);
264:
1.1 misha 265: CURL_OPT(CURL_INT, FRESH_CONNECT);
266: CURL_OPT(CURL_INT, FORBID_REUSE);
267: CURL_OPT(CURL_INT, CONNECTTIMEOUT);
268: CURL_OPT(CURL_INT, CONNECTTIMEOUT_MS);
1.4 misha 269: CURL_OPT(CURL_INT, FAILONERROR);
1.1 misha 270:
271: CURL_OPT(CURL_FILE, SSLCERT);
272: CURL_OPT(CURL_STRING, SSLCERTTYPE);
273: CURL_OPT(CURL_FILE, SSLKEY);
274: CURL_OPT(CURL_STRING, SSLKEYTYPE);
275: CURL_OPT(CURL_STRING, KEYPASSWD);
276: CURL_OPT(CURL_STRING, SSLENGINE);
277: CURL_OPT(CURL_STRING, SSLENGINE_DEFAULT);
278:
1.2 misha 279: #ifdef CURLOPT_ISSUERCERT
1.1 misha 280: CURL_OPT(CURL_FILE, ISSUERCERT);
1.2 misha 281: #endif
282:
283: #ifdef CURLOPT_CRLFILE
1.1 misha 284: CURL_OPT(CURL_FILE, CRLFILE);
1.2 misha 285: #endif
1.1 misha 286:
287: CURL_OPT(CURL_STRING, CAINFO);
288: CURL_OPT(CURL_STRING, CAPATH);
289: CURL_OPT(CURL_INT, SSL_VERIFYPEER);
290: CURL_OPT(CURL_INT, SSL_VERIFYHOST);
291: CURL_OPT(CURL_STRING, SSL_CIPHER_LIST);
292: CURL_OPT(CURL_INT, SSL_SESSIONID_CACHE);
293:
294: PARSER_OPT(PARSER_LIBRARY, "library");
295: PARSER_OPT(PARSER_NAME, "name");
296: PARSER_OPT(PARSER_CONTENT_TYPE, "content-type");
297: PARSER_OPT(PARSER_MODE, "mode");
298: PARSER_OPT(PARSER_CHARSET, "charset");
1.4 misha 299: PARSER_OPT(PARSER_RESPONSE_CHARSET, "response-charset");
1.1 misha 300: }
301:
302: } *curl_options=0;
303:
304: static const char *curl_urlencode(const String &s, Request& r){
305: if(options().charset){
306: Temp_client_charset temp(r.charsets, *options().charset);
307: return s.untaint_and_transcode_cstr(String::L_URI, &r.charsets);
308: } else
309: return s.untaint_cstr(String::L_URI);
310: }
311:
312: static struct curl_slist *curl_headers(HashStringValue *value_hash, Request& r) {
313: struct curl_slist *slist=NULL;
314:
315: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
316: String header =
1.10 moko 317: String(pa_http_safe_header_name(capitalize(i.key().cstr())), String::L_AS_IS)
1.1 misha 318: << ": "
1.10 moko 319: << String(i.value()->as_string(), String::L_HTTP_HEADER);
1.1 misha 320:
321: slist=f_curl_slist_append(slist, curl_urlencode(header, r));
322: }
323: return slist;
324: }
325:
1.4 misha 326: static const char* curl_transcode(const String &s, Request& r){
327: return options().charset ? Charset::transcode(s.cstr(), r.charsets.source(), *options().charset).cstr() : s.cstr();
328: }
329:
330: static void curl_form(HashStringValue *value_hash, Request& r){
331: struct curl_httppost *f_last=0;
332: for(HashStringValue::Iterator i(*value_hash); i; i.next() ){
333: const char *key = curl_transcode(String(i.key().cstr()), r);
334: if(const String* svalue = i.value()->get_string()){
335: // string
336: f_curl_formadd(&options().f_post, &f_last,
337: CURLFORM_PTRNAME, key,
338: CURLFORM_PTRCONTENTS, curl_transcode(String(svalue->cstr()), r),
339: CURLFORM_END);
340: } else if(Table* tvalue = i.value()->get_table()){
341: // table
342: for(size_t t = 0; t < tvalue->count(); t++) {
343: f_curl_formadd(&options().f_post, &f_last,
344: CURLFORM_PTRNAME, key,
345: CURLFORM_PTRCONTENTS, curl_transcode(String(tvalue->get(t)->get(0)->cstr()), r),
346: CURLFORM_END);
347: }
348: } else if(VFile* fvalue=static_cast<VFile *>(i.value()->as("file"))){
349: // file
350: f_curl_formadd(&options().f_post, &f_last,
351: CURLFORM_PTRNAME, key,
352: CURLFORM_BUFFER, curl_transcode(String(fvalue->fields().get("name")->as_string(), String::L_FILE_SPEC), r),
353: CURLFORM_BUFFERLENGTH, (long)fvalue->value_size(),
354: CURLFORM_BUFFERPTR, fvalue->value_ptr(),
355: CURLFORM_CONTENTTYPE, fvalue->fields().get("content-type")->as_string().taint_cstr(String::L_URI),
356: CURLFORM_END);
357: } else {
358: 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());
359: }
360: }
361: }
362:
1.1 misha 363: static void curl_setopt(HashStringValue::key_type key, HashStringValue::value_type value, Request& r) {
364: CurlOption *opt=curl_options->get(key);
365:
366: if(opt==0)
367: throw Exception("curl", 0, "called with invalid option '%s'", key.cstr());
368:
369: CURLcode res = CURLE_OK;
370: Value &v=r.process_to_value(*value);
371:
372: switch (opt->type){
373: case CurlOption::CURL_STRING:{
374: // string curl option
375: const char *value_str=v.as_string().cstr();
376: res=f_curl_easy_setopt(curl(), opt->id, value_str);
377: break;
378: }
379: case CurlOption::CURL_URLENCODE:{
380: // url-encoded string curl option
381: const char *value_str=curl_urlencode(v.as_string(), r);
382: res=f_curl_easy_setopt(curl(), opt->id, value_str);
383: break;
384: }
1.4 misha 385: case CurlOption::CURL_URL:{
386: // url-encoded string curl_url option
1.5 misha 387: const String url = v.as_string();
388: if(!url.starts_with("http://") && !url.starts_with("https://"))
389: throw Exception("curl", 0, "failed to set option '%s': invalid url scheme '%s'", key.cstr(), url.cstr());
1.4 misha 390: const char *value_str=curl_urlencode(url, r);
391: res=f_curl_easy_setopt(curl(), opt->id, value_str);
392: break;
393: }
1.1 misha 394: case CurlOption::CURL_INT:{
1.2 misha 395: // integer curl option
396: long value_int=(long)v.as_double();
1.1 misha 397: res=f_curl_easy_setopt(curl(), opt->id, value_int);
398: break;
399: }
400: case CurlOption::CURL_POST:{
401: // http post curl option
402: if(v.get_string()){
1.2 misha 403: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, -1L)) == CURLE_OK )
1.1 misha 404: res=f_curl_easy_setopt(curl(), opt->id, curl_urlencode(v.as_string(), r));
405: } else {
406: VFile *file=v.as_vfile(String::L_AS_IS);
1.2 misha 407: if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, (long)file->value_size())) == CURLE_OK )
1.1 misha 408: res=f_curl_easy_setopt(curl(), opt->id, file->value_ptr());
409: }
410: break;
411: }
1.4 misha 412: case CurlOption::CURL_FORM:{
413: HashStringValue *value_hash = v.get_hash();
414: if(value_hash){
415: curl_form(value_hash, r);
1.5 misha 416: } else if(v.get_string()->is_empty()){
1.4 misha 417: f_curl_formfree(options().f_post);
418: options().f_post = 0;
419: } else {
420: throw Exception("curl", 0, "%s must be a hash", key.cstr());
1.5 misha 421: }
1.4 misha 422: res=f_curl_easy_setopt(curl(), CURLOPT_HTTPPOST, foptions->f_post);
423: break;
424: }
1.1 misha 425: case CurlOption::CURL_HEADERS:{
426: // http headers curl option
427: HashStringValue *value_hash=v.get_hash();
428: res=f_curl_easy_setopt(curl(), opt->id, value_hash ? curl_headers(value_hash, r) : 0);
429: break;
430: }
431: case CurlOption::CURL_FILE:{
432: // file-spec curl option
433: const char *value_str=r.absolute(v.as_string()).taint_cstr(String::L_FILE_SPEC);
434: res=f_curl_easy_setopt(curl(), opt->id, value_str);
435: break;
436: }
437: case CurlOption::PARSER_LIBRARY:{
438: // 'library' parser option
439: if(fcurl==0){
440: curl_library=v.as_string().taint_cstr(String::L_FILE_SPEC);
441: } else
442: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), "already loaded");
443: break;
444: }
445: case CurlOption::PARSER_NAME:{
446: // 'name' parser option
1.12 misha 447: options().filename=&v.as_string();
1.1 misha 448: break;
449: }
450: case CurlOption::PARSER_CONTENT_TYPE:{
451: // 'content-type' parser option
452: options().content_type=&v.as_string();
453: break;
454: }
455: case CurlOption::PARSER_MODE:{
456: // 'mode' parser option
1.12 misha 457: options().is_text=VFile::is_text_mode(v.as_string());
1.1 misha 458: break;
459: }
460: case CurlOption::PARSER_CHARSET:{
461: // 'charset' parser option
462: options().charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
463: break;
464: }
1.4 misha 465: case CurlOption::PARSER_RESPONSE_CHARSET:{
1.12 misha 466: // 'response-charset' parser option
1.4 misha 467: options().response_charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER));
468: break;
469: }
1.1 misha 470: }
471:
472: if(res != CURLE_OK)
473: throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), f_curl_easy_strerror(res));
474: }
475:
1.3 misha 476: static void _curl_options(Request& r, MethodParams& params){
1.1 misha 477: if(curl_options==0)
478: curl_options=new CurlOptionHash();
479:
480: if(HashStringValue* options=params.as_no_junction(0, OPTIONS_MUST_NOT_BE_CODE).get_hash()){
481: options->for_each<Request&>(curl_setopt, r);
482: } else
1.6 misha 483: throw Exception("curl", 0, OPTIONS_MUST_BE_HASH);
1.1 misha 484: }
485:
486:
487: class Curl_buffer{
488: public:
489: char *buf;
490: size_t length;
491: size_t buf_size;
492:
493: Curl_buffer() : buf((char *)pa_malloc(MAX_STRING+1)), length(0), buf_size(MAX_STRING){}
494: };
495:
496: static int curl_writer(char *data, size_t size, size_t nmemb, Curl_buffer *result){
497: if(result == 0)
498: return 0;
499:
500: size=size*nmemb;
501: if(size>0){
502: if(result->length + size >= result->buf_size){
503: result->buf_size = result->buf_size*2 + size;
504: result->buf = (char *)pa_realloc(result->buf, result->buf_size+1);
505: }
506: memcpy(result->buf+result->length, data, size);
507: result->length += size;
508: }
509: return size;
510: }
511:
512: static int curl_header(char *data, size_t size, size_t nmemb, HASH_STRING<char *> *result){
513: if(result == 0)
514: return 0;
515:
516: size=size*nmemb;
517: if(size>0){
518: char *line=pa_strdup(data, size);
519: char *value=lsplit(line,':');
520: if(value && *line){
521: // we need only headers, not the response code
522: result->put(str_upper(line), value);
523: }
524: }
525: return size;
526: }
527:
528: #define CURL_SETOPT(option, arg, message) \
529: if( (res=f_curl_easy_setopt(curl(), option, arg)) != CURLE_OK){ \
530: throw Exception("curl", 0, "failed to set " message ": %s", f_curl_easy_strerror(res)); \
531: }
532:
533: static void _curl_load_action(Request& r, MethodParams& params){
534: if(params.count()==1)
1.3 misha 535: _curl_options(r, params);
1.1 misha 536:
537: CURLcode res;
538:
539: Curl_buffer body;
540: CURL_SETOPT(CURLOPT_WRITEFUNCTION, curl_writer, "curl writer function");
541: CURL_SETOPT(CURLOPT_WRITEDATA, &body, "curl write buffer");
542:
543: // we need a container for headers as VFile fields can be put only after VFile.set
544: HASH_STRING<char *> headers;
545: CURL_SETOPT(CURLOPT_HEADERFUNCTION, curl_header, "curl header function");
546: CURL_SETOPT(CURLOPT_WRITEHEADER, &headers, "curl header buffer");
547:
548: if((res=f_curl_easy_perform(curl())) != CURLE_OK){
1.4 misha 549: char *ex_type = 0;
550: switch(res){
551: case CURLE_OPERATION_TIMEDOUT:
552: ex_type = "curl.timeout"; break;
553: case CURLE_COULDNT_RESOLVE_HOST:
554: ex_type = "curl.host"; break;
555: case CURLE_COULDNT_CONNECT:
556: ex_type = "curl.connect"; break;
557: case CURLE_HTTP_RETURNED_ERROR:
558: ex_type = "curl.status"; break;
559: case CURLE_SSL_CONNECT_ERROR:
560: case CURLE_SSL_CERTPROBLEM:
561: case CURLE_SSL_CIPHER:
562: case CURLE_SSL_CACERT:
563: case CURLE_SSL_ENGINE_INITFAILED:
564: ex_type = "curl.ssl"; break;
565: }
566: throw Exception( ex_type ? ex_type : "curl.fail", 0, "%s", f_curl_easy_strerror(res));
1.1 misha 567: }
568:
569: // assure trailing zero
570: body.buf[body.length]=0;
571:
1.4 misha 572: VFile& result=*new VFile;
573:
574: String::Body ct_header = headers.get(HTTP_CONTENT_TYPE_UPPER);
1.8 moko 575: Charset *asked_charset = options().response_charset;
576: if (asked_charset == 0){
577: Charset *remote_charset = ct_header.is_empty() ? 0 : detect_charset(ct_header.trim(String::TRIM_BOTH, " \t\n\r").cstr());
578: asked_charset = remote_charset ? remote_charset : options().charset;
579: }
1.1 misha 580:
581: if(options().is_text && asked_charset != 0){
582: String::C c=Charset::transcode(String::C(body.buf, body.length), *asked_charset, r.charsets.source());
583: body.buf=(char *)c.str;
584: body.length=c.length;
585: }
586:
1.12 misha 587: result.set(true /*tainted*/, body.buf, body.length, options().filename
588: , options().content_type ? new VString(*options().content_type) : 0
589: , &r);
1.1 misha 590: result.set_mode(options().is_text);
591:
1.4 misha 592: long http_status = 0;
593: if(f_curl_easy_getinfo(curl(), CURLINFO_RESPONSE_CODE, &http_status) == CURLE_OK){
594: result.fields().put("status", new VInt(http_status));
595: }
596:
1.1 misha 597: for(HASH_STRING<char *>::Iterator i(headers); i; i.next() ){
598: String::Body key=i.key();
599: String::Body value=i.value();
600: if(asked_charset){
601: key=Charset::transcode(key, *asked_charset, r.charsets.source());
602: value=Charset::transcode(value, *asked_charset, r.charsets.source());
603: }
604: result.fields().put(key, new VString(*new String(value.trim(String::TRIM_BOTH, " \t\n\r"), String::L_TAINTED)));
605: }
606:
607: r.write_no_lang(result);
608: }
609:
610: static void _curl_load(Request& r, MethodParams& params){
611: fcurl ? _curl_load_action(r, params) : temp_curl(_curl_load_action, r, params);
612: }
613:
614: // constructor
615: MCurl::MCurl(): Methoded("curl") {
616: add_native_method("session", Method::CT_STATIC, _curl_session, 1, 1);
1.4 misha 617: add_native_method("version", Method::CT_STATIC, _curl_version, 0, 0);
1.3 misha 618: add_native_method("options", Method::CT_STATIC, _curl_options, 1, 1);
1.1 misha 619: add_native_method("load", Method::CT_STATIC, _curl_load, 0, 1);
1.3 misha 620: }
621:
622: #else // HAVE_CURL
623:
624: #include "classes.h"
625: // global variable
626: DECLARE_CLASS_VAR(curl, 0, 0); // fictive
627:
1.1 misha 628: #endif // HAVE_CURL
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