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| version 1.6, 2010/07/05 05:54:46 | version 1.68, 2021/10/19 16:16:35 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b curl parser class. | Parser: @b curl parser class. |
| Copyright(c) 2001-2009 ArtLebedev Group(http://www.artlebedev.com) | Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com) |
| */ | */ |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #ifdef HAVE_CURL | |
| static const char * const IDENT_INET_C="$Date$"; | |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vfile.h" | #include "pa_vfile.h" |
| #include "pa_charsets.h" | #include "pa_charsets.h" |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_vdate.h" | |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_http.h" | |
| #include "ltdl.h" | #include "ltdl.h" |
| volatile const char * IDENT_CURL_C="$Id$"; | |
| class MCurl: public Methoded { | class MCurl: public Methoded { |
| public: | public: |
| MCurl(); | MCurl(); |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | }; |
| // global variables | // global variables |
| DECLARE_CLASS_VAR(curl, new MCurl, 0); | DECLARE_CLASS_VAR(curl, new MCurl); |
| // from file.C | |
| extern bool is_text_mode(const String& mode); | |
| #include "curl.h" | #include "curl.h" |
| Line 50 typedef void (*t_curl_formfree)(struct c | Line 44 typedef void (*t_curl_formfree)(struct c |
| #define GLINK(name) f_##name=(t_##name)lt_dlsym(handle, #name); | #define GLINK(name) f_##name=(t_##name)lt_dlsym(handle, #name); |
| #define DLINK(name) GLINK(name) if(!f_##name) return "function " #name " was not found"; | #define DLINK(name) GLINK(name) if(!f_##name) return "function " #name " was not found"; |
| const char *dlink(const char *dlopen_file_spec) { | static const char *dlink(const char *dlopen_file_spec) { |
| if(lt_dlinit()) | pa_dlinit(); |
| return lt_dlerror(); | |
| lt_dlhandle handle=lt_dlopen(dlopen_file_spec); | lt_dlhandle handle=lt_dlopen(dlopen_file_spec); |
| Line 76 const char *dlink(const char *dlopen_fil | Line 69 const char *dlink(const char *dlopen_fil |
| } | } |
| class ParserOptions { | struct ParserOptions : public PA_Allocated { |
| public: | // real options |
| const char *filename; | const String *filename; |
| const String *content_type; | const String *content_type; |
| bool is_text; | bool is_text; |
| Charset *charset, *response_charset; | Charset *charset, *response_charset; |
| // stuff for internal use | |
| const char *url; | |
| struct curl_httppost *f_post; | struct curl_httppost *f_post; |
| FILE *f_stderr; | |
| ParserOptions() : filename(0), content_type(0), is_text(true), charset(0), response_charset(0), f_post(0){} | // if response content-length check required |
| bool no_body; | |
| // stuff to walkaround curl request content-length bugs | |
| bool is_post; | |
| bool has_content_length; | |
| ParserOptions() : filename(0), content_type(0), is_text(true), charset(0), response_charset(0), url(0), f_post(0), f_stderr(0), no_body(false), is_post(false), has_content_length(false){} | |
| ~ParserOptions() { | ~ParserOptions() { |
| f_curl_formfree(f_post); | f_curl_formfree(f_post); |
| if(f_stderr) | |
| fclose(f_stderr); | |
| } | } |
| }; | }; |
| // using thread local variables instead of keeping them in request | // using TLS instead of keeping variables in request |
| // not necessary for cgi version | THREAD_LOCAL CURL *fcurl = 0; |
| #ifdef WIN32 | THREAD_LOCAL ParserOptions *foptions = 0; |
| #define __thread __declspec(thread) | |
| #endif | |
| __thread CURL *fcurl = 0; | |
| __thread ParserOptions *foptions = 0; | |
| static CURL *curl(){ | static CURL *curl(){ |
| if(!fcurl) | if(!fcurl) |
| Line 115 static ParserOptions &options(){ | Line 116 static ParserOptions &options(){ |
| class Temp_curl { | class Temp_curl { |
| CURL *saved_curl; | CURL *saved_curl; |
| ParserOptions *saved_options; | ParserOptions *saved_options; |
| // every TLS should be referenced elsewhere, or GC will collect it | |
| CURL *thread_curl; | |
| ParserOptions *thread_options; | |
| public: | public: |
| Temp_curl() : saved_curl(fcurl), saved_options(foptions){ | Temp_curl() : saved_curl(fcurl), saved_options(foptions){ |
| fcurl = f_curl_easy_init(); | thread_curl = fcurl = f_curl_easy_init(); |
| foptions = new ParserOptions(); | thread_options = foptions = new ParserOptions(); |
| f_curl_easy_setopt(fcurl, CURLOPT_POSTFIELDSIZE, 0); // fix libcurl bug | f_curl_easy_setopt(fcurl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); // avoid ipv6 by default |
| } | } |
| ~Temp_curl() { | ~Temp_curl() { |
| f_curl_easy_cleanup(fcurl); | f_curl_easy_cleanup(fcurl); |
| fcurl = saved_curl; | fcurl = saved_curl; |
| Line 130 public: | Line 136 public: |
| }; | }; |
| bool curl_linked = false; | bool curl_linked = false; |
| #ifdef WIN32 | |
| const char *curl_library="libcurl.dll"; | |
| #else | |
| const char *curl_library="libcurl.so"; | |
| #endif | |
| const char *curl_status = 0; | const char *curl_status = 0; |
| const char *curl_library="libcurl" LT_MODULE_EXT; | |
| static void temp_curl(void (*action)(Request&, MethodParams&), Request& r, MethodParams& params){ | static void temp_curl(void (*action)(Request&, MethodParams&), Request& r, MethodParams& params){ |
| if(!curl_linked){ | if(!curl_linked) |
| curl_linked=true; | |
| curl_status=dlink(curl_library); | curl_status=dlink(curl_library); |
| } | |
| if(curl_status == 0){ | if(curl_status == 0){ |
| curl_linked=true; | |
| Temp_curl temp_curl; | Temp_curl temp_curl; |
| action(r,params); | action(r,params); |
| } else { | } else { |
| Line 162 static void _curl_session(Request& r, Me | Line 162 static void _curl_session(Request& r, Me |
| } | } |
| static void _curl_version_action(Request& r, MethodParams& ){ | static void _curl_version_action(Request& r, MethodParams& ){ |
| r.write_no_lang(*new VString(*new String(f_curl_version(), String::L_TAINTED))); | r.write(*new VString(*new String(f_curl_version(), String::L_TAINTED))); |
| } | } |
| static void _curl_version(Request& r, MethodParams& params){ | static void _curl_version(Request& r, MethodParams& params){ |
| fcurl ? _curl_version_action(r, params) : temp_curl(_curl_version_action, r, params); | fcurl ? _curl_version_action(r, params) : temp_curl(_curl_version_action, r, params); |
| } | } |
| static char *str_lower(const char *str){ | struct CurlOption : public PA_Allocated{ |
| char *result=pa_strdup(str); | |
| for(char* c=result; *c; c++) | |
| *c=(char)tolower((unsigned char)*c); | |
| return result; | |
| } | |
| static char *str_upper(const char *str){ | |
| char *result=pa_strdup(str); | |
| for(char* c=result; *c; c++) | |
| *c=(char)toupper((unsigned char)*c); | |
| return result; | |
| } | |
| class CurlOption { | |
| public: | |
| enum OptionType { | enum OptionType { |
| CURL_STRING, | CURL_STRING, |
| CURL_URLENCODE, // url-encoded string | CURL_URLENCODE, // url-encoded string |
| CURL_URL, | CURL_URL, |
| CURL_INT, | CURL_INT, |
| CURL_NO_BODY, | |
| CURL_POST, | CURL_POST, |
| CURL_POSTFIELDS, | |
| CURL_FORM, | CURL_FORM, |
| CURL_HEADERS, | CURL_HEADERS, |
| CURL_FILE, | CURL_FILE, |
| CURL_STDERR, | |
| CURL_HTTP_VERSION, | |
| PARSER_LIBRARY, | PARSER_LIBRARY, |
| PARSER_NAME, | PARSER_NAME, |
| PARSER_CONTENT_TYPE, | PARSER_CONTENT_TYPE, |
| Line 218 public: | Line 207 public: |
| CURL_OPT(CURL_INT, LOCALPORT); | CURL_OPT(CURL_INT, LOCALPORT); |
| CURL_OPT(CURL_INT, PORT); | CURL_OPT(CURL_INT, PORT); |
| CURL_OPT(CURL_INT, VERBOSE); | |
| CURL_OPT(CURL_STDERR, STDERR); | |
| CURL_OPT(CURL_INT, MAXFILESIZE); | |
| CURL_OPT(CURL_INT, HTTPAUTH); | CURL_OPT(CURL_INT, HTTPAUTH); |
| CURL_OPT(CURL_STRING, USERPWD); | CURL_OPT(CURL_STRING, USERPWD); |
| #ifdef CURLOPT_USERNAME | |
| CURL_OPT(CURL_STRING, USERNAME); | CURL_OPT(CURL_STRING, USERNAME); |
| CURL_OPT(CURL_STRING, PASSWORD); | CURL_OPT(CURL_STRING, PASSWORD); |
| #endif | |
| CURL_OPT(CURL_URLENCODE, USERAGENT); | CURL_OPT(CURL_URLENCODE, USERAGENT); |
| CURL_OPT(CURL_URLENCODE, REFERER); | CURL_OPT(CURL_URLENCODE, REFERER); |
| CURL_OPT(CURL_INT, AUTOREFERER); | CURL_OPT(CURL_INT, AUTOREFERER); |
| CURL_OPT(CURL_STRING, ENCODING); // gzip or deflate | CURL_OPT(CURL_STRING, ENCODING); // gzip or deflate |
| CURL_OPT(CURL_STRING, ACCEPT_ENCODING); // gzip or deflate | |
| CURL_OPT(CURL_INT, FOLLOWLOCATION); | CURL_OPT(CURL_INT, FOLLOWLOCATION); |
| CURL_OPT(CURL_INT, UNRESTRICTED_AUTH); | CURL_OPT(CURL_INT, UNRESTRICTED_AUTH); |
| CURL_OPT(CURL_INT, IPRESOLVE); | |
| CURL_OPT(CURL_INT, POST); | CURL_OPT(CURL_POST, POST); |
| CURL_OPT(CURL_INT, HTTPGET); | CURL_OPT(CURL_INT, HTTPGET); |
| CURL_OPT(CURL_INT, NOBODY); | CURL_OPT(CURL_NO_BODY, NOBODY); |
| CURL_OPT(CURL_STRING, CUSTOMREQUEST); | CURL_OPT(CURL_STRING, CUSTOMREQUEST); |
| CURL_OPT(CURL_POST, POSTFIELDS); // hopefully is safe too | CURL_OPT(CURL_POSTFIELDS, POSTFIELDS); // hopefully is safe too |
| CURL_OPT(CURL_POST, COPYPOSTFIELDS); | CURL_OPT(CURL_POSTFIELDS, COPYPOSTFIELDS); |
| CURL_OPT(CURL_FORM, HTTPPOST); | CURL_OPT(CURL_FORM, HTTPPOST); |
| CURL_OPT(CURL_HEADERS, HTTPHEADER); | CURL_OPT(CURL_HEADERS, HTTPHEADER); |
| Line 283 public: | Line 278 public: |
| CURL_OPT(CURL_STRING, SSLENGINE); | CURL_OPT(CURL_STRING, SSLENGINE); |
| CURL_OPT(CURL_STRING, SSLENGINE_DEFAULT); | CURL_OPT(CURL_STRING, SSLENGINE_DEFAULT); |
| #ifdef CURLOPT_ISSUERCERT | |
| CURL_OPT(CURL_FILE, ISSUERCERT); | CURL_OPT(CURL_FILE, ISSUERCERT); |
| #endif | |
| #ifdef CURLOPT_CRLFILE | |
| CURL_OPT(CURL_FILE, CRLFILE); | CURL_OPT(CURL_FILE, CRLFILE); |
| #endif | |
| CURL_OPT(CURL_STRING, CAINFO); | CURL_OPT(CURL_STRING, CAINFO); |
| CURL_OPT(CURL_STRING, CAPATH); | CURL_OPT(CURL_FILE, CAPATH); |
| CURL_OPT(CURL_INT, SSL_VERIFYPEER); | CURL_OPT(CURL_INT, SSL_VERIFYPEER); |
| CURL_OPT(CURL_INT, SSL_VERIFYHOST); | CURL_OPT(CURL_INT, SSL_VERIFYHOST); |
| CURL_OPT(CURL_STRING, SSL_CIPHER_LIST); | CURL_OPT(CURL_STRING, SSL_CIPHER_LIST); |
| CURL_OPT(CURL_INT, SSL_SESSIONID_CACHE); | CURL_OPT(CURL_INT, SSL_SESSIONID_CACHE); |
| CURL_OPT(CURL_INT, SSLVERSION); | |
| CURL_OPT(CURL_HTTP_VERSION, HTTP_VERSION); | |
| PARSER_OPT(PARSER_LIBRARY, "library"); | PARSER_OPT(PARSER_LIBRARY, "library"); |
| PARSER_OPT(PARSER_NAME, "name"); | PARSER_OPT(PARSER_NAME, "name"); |
| Line 308 public: | Line 300 public: |
| } *curl_options=0; | } *curl_options=0; |
| struct CurlInfo : public PA_Allocated{ | |
| enum OptionType { | |
| CURL_STRING, | |
| CURL_INT, | |
| CURL_DOUBLE, | |
| CURL_HTTP_VERSION | |
| }; | |
| CURLINFO id; | |
| OptionType type; | |
| CurlInfo(CURLINFO aid, OptionType atype): id(aid), type(atype) {} | |
| }; | |
| class CurlInfoHash: public OrderedHashString<CurlInfo*> { | |
| public: | |
| CurlInfoHash() { | |
| #define CURL_INF(type, name) put(str_lower(#name),new CurlInfo(CURLINFO_##name, CurlInfo::type)); | |
| CURL_INF(CURL_STRING, SCHEME); | |
| CURL_INF(CURL_HTTP_VERSION, HTTP_VERSION); | |
| CURL_INF(CURL_STRING, EFFECTIVE_URL); | |
| CURL_INF(CURL_STRING, CONTENT_TYPE); | |
| CURL_INF(CURL_INT, RESPONSE_CODE); | |
| CURL_INF(CURL_INT, OS_ERRNO); | |
| CURL_INF(CURL_DOUBLE, NAMELOOKUP_TIME); | |
| CURL_INF(CURL_DOUBLE, APPCONNECT_TIME); | |
| CURL_INF(CURL_DOUBLE, PRETRANSFER_TIME); | |
| CURL_INF(CURL_DOUBLE, STARTTRANSFER_TIME); | |
| CURL_INF(CURL_DOUBLE, CONNECT_TIME); | |
| CURL_INF(CURL_DOUBLE, TOTAL_TIME); | |
| CURL_INF(CURL_DOUBLE, CONTENT_LENGTH_DOWNLOAD); | |
| CURL_INF(CURL_DOUBLE, CONTENT_LENGTH_UPLOAD); | |
| CURL_INF(CURL_INT, HEADER_SIZE); | |
| CURL_INF(CURL_INT, REQUEST_SIZE); | |
| CURL_INF(CURL_DOUBLE, SIZE_DOWNLOAD); | |
| CURL_INF(CURL_DOUBLE, SIZE_UPLOAD); | |
| CURL_INF(CURL_DOUBLE, SPEED_DOWNLOAD); | |
| CURL_INF(CURL_DOUBLE, SPEED_UPLOAD); | |
| CURL_INF(CURL_INT, NUM_CONNECTS); | |
| CURL_INF(CURL_STRING, PRIMARY_IP); | |
| CURL_INF(CURL_INT, HTTPAUTH_AVAIL); | |
| CURL_INF(CURL_INT, PROXYAUTH_AVAIL); | |
| CURL_INF(CURL_INT, REDIRECT_COUNT); | |
| CURL_INF(CURL_DOUBLE, REDIRECT_TIME); | |
| CURL_INF(CURL_STRING, REDIRECT_URL); | |
| CURL_INF(CURL_INT, SSL_VERIFYRESULT); | |
| } | |
| } *curl_infos=0; | |
| static const char *curl_urlencode(const String &s, Request& r){ | static const char *curl_urlencode(const String &s, Request& r){ |
| if(options().charset){ | if(options().charset){ |
| Temp_client_charset temp(r.charsets, *options().charset); | Temp_client_charset temp(r.charsets, *options().charset); |
| Line 321 static struct curl_slist *curl_headers(H | Line 366 static struct curl_slist *curl_headers(H |
| for(HashStringValue::Iterator i(*value_hash); i; i.next() ){ | for(HashStringValue::Iterator i(*value_hash); i; i.next() ){ |
| String header = | String header = |
| String(capitalize(i.key().cstr()), String::L_URI) | String(pa_http_safe_header_name(capitalize(i.key().cstr())), String::L_AS_IS) |
| << ": " | << ": " |
| << String(i.value()->as_string(), String::L_URI); | << String(i.value()->as_string(), String::L_HTTP_HEADER); |
| slist=f_curl_slist_append(slist, curl_urlencode(header, r)); | slist=f_curl_slist_append(slist, curl_urlencode(header, r)); |
| } | } |
| Line 362 static void curl_form(HashStringValue *v | Line 407 static void curl_form(HashStringValue *v |
| CURLFORM_CONTENTTYPE, fvalue->fields().get("content-type")->as_string().taint_cstr(String::L_URI), | CURLFORM_CONTENTTYPE, fvalue->fields().get("content-type")->as_string().taint_cstr(String::L_URI), |
| CURLFORM_END); | CURLFORM_END); |
| } else { | } else { |
| 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()); | 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()); |
| } | } |
| } | } |
| } | } |
| static const char *curl_check_file(const String &file_spec){ | |
| const char *file_spec_cstr=file_spec.taint_cstr(String::L_FILE_SPEC); | |
| struct stat finfo; | |
| if(pa_stat(file_spec_cstr, &finfo)==0) | |
| check_safe_mode(finfo, file_spec, file_spec_cstr); | |
| return file_spec_cstr; | |
| } | |
| static long curl_http_version(const String &name){ | |
| if(name.is_empty()) return CURL_HTTP_VERSION_NONE; | |
| if(name == "1.0") return CURL_HTTP_VERSION_1_0; | |
| if(name == "1.1") return CURL_HTTP_VERSION_1_1; | |
| if(name == "2") return CURL_HTTP_VERSION_2; | |
| if(name == "2.0") return CURL_HTTP_VERSION_2_0; | |
| const char *sname = str_upper(name.cstr()); | |
| if(!strcmp(sname,"2TLS")) return CURL_HTTP_VERSION_2TLS; | |
| if(!strcmp(sname,"2ONLY")) return CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE; | |
| throw Exception("curl", &name, "invalid http_version option value"); | |
| } | |
| static const char *curl_http_version_name(long value){ | |
| if(value == CURL_HTTP_VERSION_NONE) return "none"; | |
| if(value == CURL_HTTP_VERSION_1_0) return "1.0"; | |
| if(value == CURL_HTTP_VERSION_1_1) return "1.1"; | |
| if(value == CURL_HTTP_VERSION_2) return "2"; | |
| throw Exception("curl", 0, "invalid http version '%d' in info", value); | |
| } | |
| static void curl_setopt(HashStringValue::key_type key, HashStringValue::value_type value, Request& r) { | static void curl_setopt(HashStringValue::key_type key, HashStringValue::value_type value, Request& r) { |
| CurlOption *opt=curl_options->get(key); | CurlOption *opt=curl_options->get(key); |
| Line 374 static void curl_setopt(HashStringValue: | Line 449 static void curl_setopt(HashStringValue: |
| throw Exception("curl", 0, "called with invalid option '%s'", key.cstr()); | throw Exception("curl", 0, "called with invalid option '%s'", key.cstr()); |
| CURLcode res = CURLE_OK; | CURLcode res = CURLE_OK; |
| Value &v=r.process_to_value(*value); | Value &v=r.process(*value); |
| switch (opt->type){ | switch (opt->type){ |
| case CurlOption::CURL_STRING:{ | case CurlOption::CURL_STRING:{ |
| Line 394 static void curl_setopt(HashStringValue: | Line 469 static void curl_setopt(HashStringValue: |
| const String url = v.as_string(); | const String url = v.as_string(); |
| if(!url.starts_with("http://") && !url.starts_with("https://")) | if(!url.starts_with("http://") && !url.starts_with("https://")) |
| throw Exception("curl", 0, "failed to set option '%s': invalid url scheme '%s'", key.cstr(), url.cstr()); | throw Exception("curl", 0, "failed to set option '%s': invalid url scheme '%s'", key.cstr(), url.cstr()); |
| const char *value_str=curl_urlencode(url, r); | options().url=curl_urlencode(url, r); |
| res=f_curl_easy_setopt(curl(), opt->id, value_str); | res=f_curl_easy_setopt(curl(), opt->id, options().url); |
| break; | break; |
| } | } |
| case CurlOption::CURL_INT:{ | case CurlOption::CURL_INT:{ |
| Line 404 static void curl_setopt(HashStringValue: | Line 479 static void curl_setopt(HashStringValue: |
| res=f_curl_easy_setopt(curl(), opt->id, value_int); | res=f_curl_easy_setopt(curl(), opt->id, value_int); |
| break; | break; |
| } | } |
| case CurlOption::CURL_NO_BODY:{ | |
| // integer curl option | |
| long value_int=(long)v.as_double(); | |
| res=f_curl_easy_setopt(curl(), opt->id, value_int); | |
| options().no_body=value_int != 0; | |
| break; | |
| } | |
| case CurlOption::CURL_POST:{ | case CurlOption::CURL_POST:{ |
| // integer curl option | |
| long value_int=(long)v.as_double(); | |
| res=f_curl_easy_setopt(curl(), opt->id, value_int); | |
| options().is_post=value_int != 0; | |
| break; | |
| } | |
| case CurlOption::CURL_POSTFIELDS:{ | |
| // http post curl option | // http post curl option |
| if(v.get_string()){ | if(v.get_string()){ |
| if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, -1L)) == CURLE_OK ) | if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, -1L)) == CURLE_OK ) |
| res=f_curl_easy_setopt(curl(), opt->id, curl_urlencode(v.as_string(), r)); | res=f_curl_easy_setopt(curl(), opt->id, curl_urlencode(v.as_string(), r)); |
| } else { | } else { |
| VFile *file=v.as_vfile(String::L_AS_IS); | VFile *file=v.as_vfile(); |
| if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, (long)file->value_size())) == CURLE_OK ) | if( (res=f_curl_easy_setopt(curl(), CURLOPT_POSTFIELDSIZE, (long)file->value_size())) == CURLE_OK ) |
| res=f_curl_easy_setopt(curl(), opt->id, file->value_ptr()); | res=f_curl_easy_setopt(curl(), opt->id, file->value_ptr()); |
| } | } |
| options().has_content_length=true; | |
| break; | break; |
| } | } |
| case CurlOption::CURL_FORM:{ | case CurlOption::CURL_FORM:{ |
| HashStringValue *value_hash = v.get_hash(); | HashStringValue *value_hash = v.as_hash("failed to set option 'httppost': value"); |
| if(value_hash){ | if(value_hash){ |
| curl_form(value_hash, r); | curl_form(value_hash, r); |
| } else if(v.get_string()->is_empty()){ | |
| f_curl_formfree(options().f_post); | |
| options().f_post = 0; | |
| } else { | } else { |
| throw Exception("curl", 0, "%s must be a hash", key.cstr()); | if(options().f_post) |
| f_curl_formfree(options().f_post); | |
| options().f_post = 0; | |
| } | } |
| res=f_curl_easy_setopt(curl(), CURLOPT_HTTPPOST, foptions->f_post); | res=f_curl_easy_setopt(curl(), CURLOPT_HTTPPOST, foptions->f_post); |
| options().has_content_length=true; | |
| break; | break; |
| } | } |
| case CurlOption::CURL_HEADERS:{ | case CurlOption::CURL_HEADERS:{ |
| // http headers curl option | // http headers curl option |
| HashStringValue *value_hash=v.get_hash(); | HashStringValue *value_hash=v.as_hash("failed to set option 'httpheader': value"); |
| res=f_curl_easy_setopt(curl(), opt->id, value_hash ? curl_headers(value_hash, r) : 0); | res=f_curl_easy_setopt(curl(), opt->id, value_hash ? curl_headers(value_hash, r) : 0); |
| break; | break; |
| } | } |
| case CurlOption::CURL_FILE:{ | case CurlOption::CURL_FILE:{ |
| // file-spec curl option | // file-spec curl option |
| const char *value_str=r.absolute(v.as_string()).taint_cstr(String::L_FILE_SPEC); | const char *file_spec_cstr=curl_check_file(r.full_disk_path(v.as_string())); |
| res=f_curl_easy_setopt(curl(), opt->id, value_str); | res=f_curl_easy_setopt(curl(), opt->id, file_spec_cstr); |
| break; | |
| } | |
| case CurlOption::CURL_STDERR:{ | |
| // verbose output redirection from stderr to file curl option | |
| const char *file_spec_cstr=curl_check_file(r.full_disk_path(v.as_string())); | |
| FILE *f_stderr=options().f_stderr=pa_fopen(file_spec_cstr, "wt"); | |
| if (f_stderr){ | |
| res=f_curl_easy_setopt(curl(), opt->id, f_stderr); | |
| } else { | |
| throw Exception("curl", 0, "failed to set option '%s': unable to open file '%s'", key.cstr(), file_spec_cstr); | |
| } | |
| break; | |
| } | |
| case CurlOption::CURL_HTTP_VERSION:{ | |
| // http protocol version name curl option | |
| long value_int=curl_http_version(v.as_string()); | |
| res=f_curl_easy_setopt(curl(), opt->id, value_int); | |
| break; | break; |
| } | } |
| case CurlOption::PARSER_LIBRARY:{ | case CurlOption::PARSER_LIBRARY:{ |
| // 'library' parser option | // 'library' parser option |
| if(fcurl==0){ | if(!curl_linked){ |
| curl_library=v.as_string().taint_cstr(String::L_FILE_SPEC); | curl_library=v.as_string().taint_cstr(String::L_FILE_SPEC); |
| } else | } else |
| throw Exception("curl", 0, "failed to set option '%s': %s", key.cstr(), "already loaded"); | throw Exception("curl", 0, "failed to set option '%s': already loaded", key.cstr()); |
| break; | break; |
| } | } |
| case CurlOption::PARSER_NAME:{ | case CurlOption::PARSER_NAME:{ |
| // 'name' parser option | // 'name' parser option |
| options().filename=v.as_string().taint_cstr(String::L_FILE_SPEC); | options().filename=&v.as_string(); |
| break; | break; |
| } | } |
| case CurlOption::PARSER_CONTENT_TYPE:{ | case CurlOption::PARSER_CONTENT_TYPE:{ |
| Line 461 static void curl_setopt(HashStringValue: | Line 568 static void curl_setopt(HashStringValue: |
| } | } |
| case CurlOption::PARSER_MODE:{ | case CurlOption::PARSER_MODE:{ |
| // 'mode' parser option | // 'mode' parser option |
| options().is_text=is_text_mode(v.as_string()); | options().is_text=VFile::is_text_mode(v.as_string()); |
| break; | break; |
| } | } |
| case CurlOption::PARSER_CHARSET:{ | case CurlOption::PARSER_CHARSET:{ |
| // 'charset' parser option | // 'charset' parser option should be processed before other options |
| options().charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER)); | |
| break; | break; |
| } | } |
| case CurlOption::PARSER_RESPONSE_CHARSET:{ | case CurlOption::PARSER_RESPONSE_CHARSET:{ |
| // 'charset' parser option | // 'response-charset' parser option |
| options().response_charset=&::charsets.get(v.as_string().change_case(r.charsets.source(), String::CC_UPPER)); | options().response_charset=&pa_charsets.get(v.as_string()); |
| break; | break; |
| } | } |
| } | } |
| Line 484 static void _curl_options(Request& r, Me | Line 590 static void _curl_options(Request& r, Me |
| if(curl_options==0) | if(curl_options==0) |
| curl_options=new CurlOptionHash(); | curl_options=new CurlOptionHash(); |
| if(HashStringValue* options=params.as_no_junction(0, OPTIONS_MUST_NOT_BE_CODE).get_hash()){ | if(HashStringValue* options_hash=params.as_hash(0)){ |
| options->for_each<Request&>(curl_setopt, r); | if(Value* value=options_hash->get("charset")){ |
| } else | // charset should be handled first as params may require transcode |
| throw Exception("curl", 0, OPTIONS_MUST_BE_HASH); | Value &v=r.process(*value); |
| options().charset=&pa_charsets.get(v.as_string()); | |
| } | |
| options_hash->for_each<Request&>(curl_setopt, r); | |
| } | |
| } | } |
| #define CURL_GETINFO(arg) \ | |
| if((res=f_curl_easy_getinfo(curl(), info->id, &arg)) != CURLE_OK){ \ | |
| if (fail_on_error) \ | |
| throw Exception("curl", 0, "failed to get %s info: %s", key.cstr(), f_curl_easy_strerror(res)); \ | |
| return 0; \ | |
| } | |
| static Value *curl_getinfo(const String::Body &key, CurlInfo *info, bool fail_on_error=false) { | |
| CURLcode res; | |
| switch (info->type){ | |
| case CurlInfo::CURL_STRING:{ | |
| char *str=0; | |
| CURL_GETINFO(str); | |
| return new VString(str ? *new String(pa_strdup(str), String::L_TAINTED) : String::Empty); | |
| } | |
| case CurlInfo::CURL_INT:{ | |
| long l=0; | |
| CURL_GETINFO(l); | |
| return new VInt(l); | |
| } | |
| case CurlInfo::CURL_DOUBLE:{ | |
| double d=0; | |
| CURL_GETINFO(d); | |
| return new VDouble(d); | |
| } | |
| case CurlInfo::CURL_HTTP_VERSION:{ | |
| long l=0; | |
| CURL_GETINFO(l); | |
| return new VString(*new String(curl_http_version_name(l), String::L_TAINTED)); | |
| } | |
| } | |
| return VVoid::get(); | |
| } | |
| static void _curl_info(Request& r, MethodParams& params){ | |
| if(curl_infos==0) | |
| curl_infos=new CurlInfoHash(); | |
| if(params.count()==1){ | |
| const String &name=params.as_string(0, "name must be string"); | |
| CurlInfo *info=curl_infos->get(name); | |
| if(info==0) | |
| throw Exception("curl", 0, "called with invalid parameter '%s'", name.cstr()); | |
| r.write(*curl_getinfo(name, info, true)); | |
| } else { | |
| VHash& result=*new VHash; | |
| for(CurlInfoHash::Iterator i(*curl_infos); i; i.next() ){ | |
| Value *value=curl_getinfo(i.key(), i.value()); | |
| if(value) | |
| result.get_hash()->put(i.key(), value); | |
| } | |
| r.write(result); | |
| } | |
| } | |
| class Curl_buffer{ | class Curl_buffer{ |
| public: | public: |
| char *buf; | char *buf; |
| size_t length; | size_t length; |
| size_t buf_size; | size_t buf_size; |
| HTTP_Headers& headers; | |
| Curl_buffer(HTTP_Headers& aheaders) : buf((char *)pa_malloc_atomic(MAX_STRING)), length(0), buf_size(MAX_STRING-1), headers(aheaders){} | |
| Curl_buffer() : buf((char *)pa_malloc(MAX_STRING+1)), length(0), buf_size(MAX_STRING){} | void resize(size_t size){ |
| buf_size=size; | |
| buf=(char *)pa_realloc(buf, size+1); | |
| } | |
| }; | }; |
| static int curl_writer(char *data, size_t size, size_t nmemb, Curl_buffer *result){ | static int curl_writer(char *data, size_t size, size_t nmemb, Curl_buffer *result){ |
| Line 506 static int curl_writer(char *data, size_ | Line 675 static int curl_writer(char *data, size_ |
| size=size*nmemb; | size=size*nmemb; |
| if(size>0){ | if(size>0){ |
| if(result->length + size >= result->buf_size){ | size_t buf_required = result->length + size; |
| result->buf_size = result->buf_size*2 + size; | if(buf_required > result->buf_size) |
| result->buf = (char *)pa_realloc(result->buf, result->buf_size+1); | result->resize(buf_required <= result->headers.content_length ? (size_t)result->headers.content_length : result->buf_size*2 + size); |
| } | |
| memcpy(result->buf+result->length, data, size); | memcpy(result->buf+result->length, data, size); |
| result->length += size; | result->length += size; |
| } | } |
| return size; | return size; |
| } | } |
| static int curl_header(char *data, size_t size, size_t nmemb, HASH_STRING<char *> *result){ | static int curl_header(char *data, size_t size, size_t nmemb, HTTP_Headers *result){ |
| if(result == 0) | if(result == 0) |
| return 0; | return 0; |
| size=size*nmemb; | size=size*nmemb; |
| if(size>0){ | if(size>0){ |
| char *line=pa_strdup(data, size); | char *header=pa_strdup(data, size); |
| char *value=lsplit(line,':'); | if(!pa_strncasecmp(header, "HTTP/") && !strchr(header, ':')){ |
| if(value && *line){ | // response code, clearing possible headers from previous requests |
| // we need only headers, not the response code | result->clear(); |
| result->put(str_upper(line), value); | } else { |
| result->add_header(header); | |
| if(result->content_length>pa_file_size_limit && !options().no_body) | |
| return 0; | |
| } | } |
| } | } |
| return size; | return size; |
| Line 543 static void _curl_load_action(Request& r | Line 714 static void _curl_load_action(Request& r |
| CURLcode res; | CURLcode res; |
| Curl_buffer body; | // we need a container for headers as VFile fields can be put only after VFile.set |
| HTTP_Headers response; | |
| CURL_SETOPT(CURLOPT_HEADERFUNCTION, curl_header, "curl header function"); | |
| CURL_SETOPT(CURLOPT_WRITEHEADER, &response, "curl header buffer"); | |
| Curl_buffer body(response); | |
| CURL_SETOPT(CURLOPT_WRITEFUNCTION, curl_writer, "curl writer function"); | CURL_SETOPT(CURLOPT_WRITEFUNCTION, curl_writer, "curl writer function"); |
| CURL_SETOPT(CURLOPT_WRITEDATA, &body, "curl write buffer"); | CURL_SETOPT(CURLOPT_WRITEDATA, &body, "curl write buffer"); |
| // we need a container for headers as VFile fields can be put only after VFile.set | if(options().is_post && !options().has_content_length){ |
| HASH_STRING<char *> headers; | // libcurl bug walkaround. Prior to 7.38 (Debian Jessie) curl passed Content-length: -1 |
| CURL_SETOPT(CURLOPT_HEADERFUNCTION, curl_header, "curl header function"); | // after that no Content-length header is passed, that hangs request to nginx. |
| CURL_SETOPT(CURLOPT_WRITEHEADER, &headers, "curl header buffer"); | CURL_SETOPT(CURLOPT_POSTFIELDSIZE, 0, "post content-length"); |
| } | |
| if((res=f_curl_easy_perform(curl())) != CURLE_OK){ | ALTER_EXCEPTION_SOURCE(res=f_curl_easy_perform(curl()), new String(options().url)); |
| char *ex_type = 0; | if(res != CURLE_OK){ |
| const char *ex_type = 0; | |
| switch(res){ | switch(res){ |
| case CURLE_OPERATION_TIMEDOUT: | case CURLE_OPERATION_TIMEDOUT: |
| ex_type = "curl.timeout"; break; | ex_type = "curl.timeout"; break; |
| Line 569 static void _curl_load_action(Request& r | Line 747 static void _curl_load_action(Request& r |
| case CURLE_SSL_CACERT: | case CURLE_SSL_CACERT: |
| case CURLE_SSL_ENGINE_INITFAILED: | case CURLE_SSL_ENGINE_INITFAILED: |
| ex_type = "curl.ssl"; break; | ex_type = "curl.ssl"; break; |
| case CURLE_WRITE_ERROR: | |
| check_file_size(response.content_length, new String(options().url)); break; | |
| default: break; | |
| } | } |
| throw Exception( ex_type ? ex_type : "curl.fail", 0, "%s", f_curl_easy_strerror(res)); | throw Exception( PA_DEFAULT(ex_type, "curl.fail"), new String(options().url), "%s", f_curl_easy_strerror(res)); |
| } | } |
| // assure trailing zero | // assure trailing zero |
| body.buf[body.length]=0; | body.buf[body.length]=0; |
| Value* vcontent_type= | |
| options().content_type ? new VString(*options().content_type) : | |
| options().filename ? new VString(r.mime_type_of(options().filename)) : 0; | |
| VFile& result=*new VFile; | VFile& result=*new VFile; |
| String::Body ct_header = headers.get(HTTP_CONTENT_TYPE_UPPER); | Charset *asked_charset = options().response_charset; |
| Charset *remote_charset = ct_header.is_empty() ? 0 : detect_charset(ct_header.trim(String::TRIM_BOTH, " \t\n\r").cstr()); | if (!asked_charset && !response.content_type.is_empty()) |
| Charset *asked_charset = options().response_charset ? options().response_charset : (remote_charset ? remote_charset : options().charset); | asked_charset=detect_charset(response.content_type.cstr()); |
| if(options().is_text) | |
| asked_charset=pa_charsets.checkBOM(body.buf, body.length, asked_charset); | |
| if (!asked_charset) | |
| asked_charset = options().charset; | |
| if(options().is_text && asked_charset != 0){ | if(options().is_text && asked_charset != 0){ |
| String::C c=Charset::transcode(String::C(body.buf, body.length), *asked_charset, r.charsets.source()); | String::C c=Charset::transcode(String::C(body.buf, body.length), *asked_charset, r.charsets.source()); |
| Line 592 static void _curl_load_action(Request& r | Line 775 static void _curl_load_action(Request& r |
| body.length=c.length; | body.length=c.length; |
| } | } |
| result.set(true /*tainted*/, body.buf, body.length, options().filename, vcontent_type); | const String *content_type = PA_DEFAULT(options().content_type, response.content_type.is_empty() ? 0 : new String(response.content_type, String::L_TAINTED)); |
| result.set_mode(options().is_text); | const String *filename = PA_DEFAULT(options().filename, new String(options().url)); |
| result.set(true/*tainted*/, options().is_text, body.buf, body.length, filename, content_type ? new VString(*content_type) : 0, &r); | |
| long http_status = 0; | long http_status = 0; |
| if(f_curl_easy_getinfo(curl(), CURLINFO_RESPONSE_CODE, &http_status) == CURLE_OK){ | if(f_curl_easy_getinfo(curl(), CURLINFO_RESPONSE_CODE, &http_status) == CURLE_OK){ |
| result.fields().put("status", new VInt(http_status)); | result.fields().put("status", new VInt(http_status)); |
| } | } |
| for(HASH_STRING<char *>::Iterator i(headers); i; i.next() ){ | VHash* vtables=new VHash; |
| String::Body key=i.key(); | result.fields().put("tables", vtables); |
| String::Body value=i.value(); | |
| if(asked_charset){ | for(Array_iterator<HTTP_Headers::Header> i(response.headers); i.has_next(); ){ |
| key=Charset::transcode(key, *asked_charset, r.charsets.source()); | HTTP_Headers::Header header=i.next(); |
| value=Charset::transcode(value, *asked_charset, r.charsets.source()); | |
| } | if(asked_charset) |
| result.fields().put(key, new VString(*new String(value.trim(String::TRIM_BOTH, " \t\n\r"), String::L_TAINTED))); | header.transcode(*asked_charset, r.charsets.source()); |
| String &header_value=*new String(header.value, String::L_TAINTED); | |
| tables_update(vtables->hash(), header.name, header_value); | |
| result.fields().put(header.name, new VString(header_value)); | |
| } | } |
| r.write_no_lang(result); | // filling $.cookies |
| if(Value *vcookies=vtables->hash().get("SET-COOKIE")) | |
| result.fields().put(HTTP_COOKIES_NAME, new VTable(parse_cookies(r, vcookies->get_table()))); | |
| r.write(result); | |
| } | } |
| static void _curl_load(Request& r, MethodParams& params){ | static void _curl_load(Request& r, MethodParams& params){ |
| Line 622 MCurl::MCurl(): Methoded("curl") { | Line 816 MCurl::MCurl(): Methoded("curl") { |
| add_native_method("session", Method::CT_STATIC, _curl_session, 1, 1); | add_native_method("session", Method::CT_STATIC, _curl_session, 1, 1); |
| add_native_method("version", Method::CT_STATIC, _curl_version, 0, 0); | add_native_method("version", Method::CT_STATIC, _curl_version, 0, 0); |
| add_native_method("options", Method::CT_STATIC, _curl_options, 1, 1); | add_native_method("options", Method::CT_STATIC, _curl_options, 1, 1); |
| add_native_method("info", Method::CT_STATIC, _curl_info, 0, 1); | |
| add_native_method("load", Method::CT_STATIC, _curl_load, 0, 1); | add_native_method("load", Method::CT_STATIC, _curl_load, 0, 1); |
| } | } |
| #else // HAVE_CURL | |
| #include "classes.h" | |
| // global variable | |
| DECLARE_CLASS_VAR(curl, 0, 0); // fictive | |
| #endif // HAVE_CURL |