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| version 1.164, 2003/11/10 06:51:06 | version 1.206, 2005/11/16 14:49:41 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: commonly functions. | Parser: commonly functions. |
| Copyright(c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright(c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char* IDENT_COMMON_C="$Date$"; | static const char * const IDENT_COMMON_C="$Date$"; |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_exception.h" | #include "pa_exception.h" |
| Line 21 static const char* IDENT_COMMON_C="$Date | Line 21 static const char* IDENT_COMMON_C="$Date |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "pa_vhash.h" | #include "pa_vhash.h" |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_socks.h" | |
| #ifdef CYGWIN | #ifdef CYGWIN |
| #define _GNU_H_WINDOWS32_SOCKETS | #define _GNU_H_WINDOWS32_SOCKETS |
| Line 64 int PASCAL closesocket(SOCKET); | Line 65 int PASCAL closesocket(SOCKET); |
| # endif | # endif |
| #endif | #endif |
| # ifndef INADDR_NONE | |
| # define INADDR_NONE ((ulong) -1) | |
| # endif | |
| // defines for globals | // defines for globals |
| #define FILE_STATUS_NAME "status" | #define FILE_STATUS_NAME "status" |
| Line 72 int PASCAL closesocket(SOCKET); | Line 77 int PASCAL closesocket(SOCKET); |
| const String file_status_name(FILE_STATUS_NAME); | const String file_status_name(FILE_STATUS_NAME); |
| // defines for statics | // defines |
| #define HTTP_METHOD_NAME "method" | #define HTTP_METHOD_NAME "method" |
| #define HTTP_FORM_NAME "form" | |
| #define HTTP_BODY_NAME "body" | |
| #define HTTP_TIMEOUT_NAME "timeout" | #define HTTP_TIMEOUT_NAME "timeout" |
| #define HTTP_HEADERS_NAME "headers" | #define HTTP_HEADERS_NAME "headers" |
| #define HTTP_ANY_STATUS_NAME "any-status" | #define HTTP_ANY_STATUS_NAME "any-status" |
| #define HTTP_CHARSET_NAME "charset" | #define HTTP_CHARSET_NAME "charset" |
| #define HTTP_TABLES_NAME "tables" | #define HTTP_TABLES_NAME "tables" |
| #define HTTP_USER "user" | |
| // statics | #define HTTP_PASSWORD "password" |
| static const String http_method_name(HTTP_METHOD_NAME); | |
| static const String http_timeout_name(HTTP_TIMEOUT_NAME); | |
| static const String http_headers_name(HTTP_HEADERS_NAME); | |
| static const String http_any_status_name(HTTP_ANY_STATUS_NAME); | |
| static const String http_charset_name(HTTP_CHARSET_NAME); | |
| static const String http_tables_name(HTTP_TABLES_NAME); | |
| // defines | // defines |
| Line 131 char* file_read_text(Request_charsets& c | Line 131 char* file_read_text(Request_charsets& c |
| return file.success?file.str:0; | return file.success?file.str:0; |
| } | } |
| #ifdef PA_HTTP | /// these options were handled but not checked elsewhere, now check them |
| static int get_valid_file_options_count(HashStringValue& options) | |
| { | |
| int result=0; | |
| if(options.get(PA_SQL_LIMIT_NAME)) | |
| result++; | |
| if(options.get(PA_SQL_OFFSET_NAME)) | |
| result++; | |
| if(options.get(PA_COLUMN_SEPARATOR_NAME)) | |
| result++; | |
| if(options.get(PA_COLUMN_ENCLOSER_NAME)) | |
| result++; | |
| return result; | |
| } | |
| //http request stuff | //http request stuff |
| #ifdef PA_HTTP | |
| #undef CRLF | #undef CRLF |
| #define CRLF "\r\n" | #define CRLF "\r\n" |
| Line 142 static bool set_addr(struct sockaddr_in | Line 157 static bool set_addr(struct sockaddr_in |
| addr->sin_family=AF_INET; | addr->sin_family=AF_INET; |
| addr->sin_port=htons(port); | addr->sin_port=htons(port); |
| if(host) { | if(host) { |
| if(struct hostent *hostIP=gethostbyname(host)) | ulong packed_ip=inet_addr(host); |
| memcpy(&addr->sin_addr, hostIP->h_addr, hostIP->h_length); | if(packed_ip!=INADDR_NONE) |
| else | memcpy(&addr->sin_addr, &packed_ip, sizeof(packed_ip)); |
| return false; | else { |
| struct hostent *hostIP=gethostbyname(host); | |
| if(hostIP) | |
| memcpy(&addr->sin_addr, hostIP->h_addr, hostIP->h_length); | |
| else | |
| return false; | |
| } | |
| } else | } else |
| addr->sin_addr.s_addr=INADDR_ANY; | addr->sin_addr.s_addr=INADDR_ANY; |
| return true; | return true; |
| } | } |
| static int http_read_response(String& response, int sock, bool fail_on_status_ne_200){ | static int http_read_response(char*& response, size_t& response_size, int sock, bool fail_on_status_ne_200){ |
| response=(char*)pa_malloc_atomic(1/*terminator*/); // setting memory block type | |
| response[(response_size=0)]=0; | |
| int result=0; | int result=0; |
| size_t EOLat=0; | char* EOLat=0; |
| while(true) { | while(true) { |
| char *buf=new(PointerFreeGC) char[MAX_STRING]; | char buf[MAX_STRING*10]; |
| ssize_t size=recv(sock, buf, MAX_STRING, 0); | ssize_t received_size=recv(sock, buf, sizeof(buf), 0); |
| if(size<=0) | if(received_size==0) |
| break; | |
| if(received_size<0) { | |
| if(int no=pa_socks_errno()) | |
| throw Exception("http.timeout", | |
| 0, | |
| "error receiving response: %s (%d)", pa_socks_strerr(no), no); | |
| break; | break; |
| response.append_strdup(buf, size, String::L_TAINTED); | } |
| if(!result && (EOLat=response.pos(CRLF, 2))!=STRING_NOT_FOUND) { // checking status in first response | response=(char*)pa_realloc(response, response_size+received_size+1/*terminator*/); |
| const String& status_line=response.mid(0, (size_t)EOLat); | memcpy(response+response_size, buf, received_size); |
| response_size+=received_size; | |
| response[response_size]=0; | |
| if(!result && (EOLat=strstr(response, "\n"))) { // checking status in first response | |
| const String status_line(pa_strdup(response, EOLat-response)); | |
| ArrayString astatus; | ArrayString astatus; |
| size_t pos_after=0; | size_t pos_after=0; |
| status_line.split(astatus, pos_after, " "); | status_line.split(astatus, pos_after, " "); |
| const String& status_code=*astatus.get(1); | const String& status_code=*astatus.get(astatus.count()>1?1:0); |
| result=status_code.as_int(); | result=status_code.as_int(); |
| if(fail_on_status_ne_200 && result!=200) | if(fail_on_status_ne_200 && result!=200) |
| Line 179 static int http_read_response(String& re | Line 213 static int http_read_response(String& re |
| else | else |
| throw Exception("http.response", | throw Exception("http.response", |
| 0, | 0, |
| "bad response from host - no status found (size=%lu)", response.length()); | "bad response from host - no status found (size=%u)", response_size); |
| } | } |
| /* ********************** request *************************** */ | /* ********************** request *************************** */ |
| Line 190 static int http_read_response(String& re | Line 224 static int http_read_response(String& re |
| #ifdef PA_USE_ALARM | #ifdef PA_USE_ALARM |
| static sigjmp_buf timeout_env; | static sigjmp_buf timeout_env; |
| static void timeout_handler(int sig){ | static void timeout_handler(int /*sig*/){ |
| siglongjmp(timeout_env, 1); | siglongjmp(timeout_env, 1); |
| } | } |
| #endif | #endif |
| static int http_request(String& response, | static int http_request(char*& response, size_t& response_size, |
| const char* host, int port, | const char* host, short port, |
| const char* request, | const char* request, |
| int timeout, | int timeout_secs, |
| bool fail_on_status_ne_200) { | bool fail_on_status_ne_200) { |
| if(!host) | if(!host) |
| throw Exception("http.host", | throw Exception("http.host", |
| 0, | 0, |
| "zero hostname"); //never | "zero hostname"); //never |
| volatile // to prevent makeing it register variable, because it will be clobbered by longjmp [thanks gcc warning] | |
| int sock=-1; | |
| #ifdef PA_USE_ALARM | #ifdef PA_USE_ALARM |
| signal(SIGALRM, timeout_handler); | signal(SIGALRM, timeout_handler); |
| #endif | #endif |
| int sock=-1; | |
| #ifdef PA_USE_ALARM | #ifdef PA_USE_ALARM |
| if(sigsetjmp(timeout_env, 1)) { | if(sigsetjmp(timeout_env, 1)) { |
| // stupid gcc [2.95.4] generated bad code | // stupid gcc [2.95.4] generated bad code |
| // which failed to handle sigsetjmp+throw: crashed inside of pre-throw code. | // which failed to handle sigsetjmp+throw: crashed inside of pre-throw code. |
| // rewritten simplier [though duplicating closesocket code] | // rewritten simplier [athough duplicating closesocket code] |
| if(sock>=0) | if(sock>=0) |
| closesocket(sock); | closesocket(sock); |
| throw Exception("http.timeout", | throw Exception("http.timeout", |
| origin_string, | 0, |
| "timeout occured while retrieving document"); | "timeout occured while retrieving document"); |
| return 0; // never | return 0; // never |
| } else { | } else { |
| alarm(timeout); | alarm(timeout_secs); |
| #endif | #endif |
| try { | try { |
| int result; | int result; |
| Line 232 static int http_request(String& response | Line 267 static int http_request(String& response |
| 0, | 0, |
| "can not resolve hostname \"%s\"", host); | "can not resolve hostname \"%s\"", host); |
| if((sock=socket(AF_INET, SOCK_STREAM, IPPROTO_TCP/*0*/))<0) | if((sock=socket(AF_INET, SOCK_STREAM, IPPROTO_TCP/*0*/))<0) { |
| int no=pa_socks_errno(); | |
| throw Exception("http.connect", | throw Exception("http.connect", |
| 0, | 0, |
| "can not make socket: %s (%d)", strerror(errno), errno); | "can not make socket: %s (%d)", pa_socks_strerr(no), no); |
| if(connect(sock, (struct sockaddr *)&dest, sizeof(dest))) | } |
| // To enable SO_DONTLINGER (that is, disable SO_LINGER) | |
| // l_onoff should be set to zero and setsockopt should be called | |
| linger dont_linger={0,0}; | |
| setsockopt(sock, SOL_SOCKET, SO_LINGER, (const char *)&dont_linger, sizeof(dont_linger)); | |
| #ifdef WIN32 | |
| // SO_*TIMEO can be defined in .h but not implemlemented in protocol, | |
| // failing subsequently with Option not supported by protocol (99) message | |
| // could not suppress that, so leaving this only for win32 | |
| int timeout_ms=timeout_secs*1000; | |
| setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (const char*)&timeout_ms, sizeof(timeout_ms)); | |
| setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeout_ms, sizeof(timeout_ms)); | |
| #endif | |
| if(connect(sock, (struct sockaddr *)&dest, sizeof(dest))) { | |
| int no=pa_socks_errno(); | |
| throw Exception("http.connect", | throw Exception("http.connect", |
| 0, | 0, |
| "can not connect to host \"%s\": %s (%d)", host, strerror(errno), errno); | "can not connect to host \"%s\": %s (%d)", host, pa_socks_strerr(no), no); |
| } | |
| size_t request_size=strlen(request); | size_t request_size=strlen(request); |
| if(send(sock, request, request_size, 0)!=(ssize_t)request_size) | if(send(sock, request, request_size, 0)!=(ssize_t)request_size) { |
| throw Exception("http.connect", | int no=pa_socks_errno(); |
| throw Exception("http.timeout", | |
| 0, | 0, |
| "error sending request: %s (%d)", strerror(errno), errno); | "error sending request: %s (%d)", pa_socks_strerr(no), no); |
| } | |
| result=http_read_response(response, sock, fail_on_status_ne_200); | result=http_read_response(response, response_size, sock, fail_on_status_ne_200); |
| closesocket(sock); | closesocket(sock); |
| #ifdef PA_USE_ALARM | #ifdef PA_USE_ALARM |
| alarm(0); | alarm(0); |
| Line 316 static Charset* detect_charset(Charset& | Line 372 static Charset* detect_charset(Charset& |
| return 0; | return 0; |
| } | } |
| static const String* basic_authorization_field(const char* user, const char* pass) { | |
| if(!user&& !pass) | |
| return 0; | |
| String combined; | |
| if(user) | |
| combined<<user; | |
| combined<<":"; | |
| if(pass) | |
| combined<<pass; | |
| String* result=new String("Basic "); *result<<pa_base64(combined.cstr(), combined.length()); | |
| return result; | |
| } | |
| static void form_string_value2string( | |
| HashStringValue::key_type key, | |
| const String& value, | |
| String& result) | |
| { | |
| result << String(key, String::L_TAINTED) << "="; | |
| result.append(value, String::L_URI, true); | |
| result<< "&"; | |
| } | |
| #ifndef DOXYGEN | |
| struct Form_table_value2string_info { | |
| HashStringValue::key_type key; | |
| String& result; | |
| Form_table_value2string_info(HashStringValue::key_type akey, String& aresult): | |
| key(akey), result(aresult) {} | |
| }; | |
| #endif | |
| static void form_table_value2string(Table::element_type row, Form_table_value2string_info* info) { | |
| form_string_value2string(info->key, *row->get(0), info->result); | |
| } | |
| static void form_value2string( | |
| HashStringValue::key_type key, | |
| HashStringValue::value_type value, | |
| String* result) | |
| { | |
| if(const String* svalue=value->get_string()) | |
| form_string_value2string(key, *svalue, *result); | |
| else if(Table* tvalue=value->get_table()) { | |
| Form_table_value2string_info info(key, *result); | |
| tvalue->for_each(form_table_value2string, &info); | |
| } else | |
| throw Exception(0, | |
| new String(key, String::L_TAINTED), | |
| "is %s, "HTTP_FORM_NAME" option value must either string or table", value->type()); | |
| } | |
| static const char* form2string(HashStringValue& form) { | |
| String string; | |
| form.for_each(form_value2string, &string); | |
| return string.cstr(String::L_UNSPECIFIED); | |
| } | |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct File_read_http_result { | struct File_read_http_result { |
| char *str; size_t length; | char *str; size_t length; |
| HashStringValue* headers; | HashStringValue* headers; |
| }; | }; |
| #endif | #endif |
| static void find_headers_end(char* p, | |
| char*& headers_end_at, | |
| char*& raw_body) | |
| { | |
| raw_body=p; | |
| // \n\n | |
| // \r\n\r\n | |
| while((p=strchr(p, '\n'))) { | |
| headers_end_at=++p; // \n>.< | |
| if(*p=='\r') // \r\n>\r?<\n | |
| p++; | |
| if(*p=='\n') { // \r\n\r>\n?< | |
| raw_body=p+1; | |
| return; | |
| } | |
| } | |
| headers_end_at=0; | |
| } | |
| /// @todo build .cookies field. use ^file.tables.SET-COOKIES.menu{ for now | /// @todo build .cookies field. use ^file.tables.SET-COOKIES.menu{ for now |
| static File_read_http_result file_read_http(Request_charsets& charsets, | static File_read_http_result file_read_http(Request_charsets& charsets, |
| const String& file_spec, | const String& file_spec, |
| HashStringValue *options=0) { | bool as_text, |
| HashStringValue *options=0) { | |
| File_read_http_result result; | File_read_http_result result; |
| char host[MAX_STRING]; | char host[MAX_STRING]; |
| const char* uri; | const char* uri; |
| int port; | short port; |
| const char* method=0; | const char* method="GET"; bool method_is_get; |
| int timeout=2; | HashStringValue* form=0; |
| const char* body_cstr=0; | |
| int timeout_secs=2; | |
| bool fail_on_status_ne_200=true; | bool fail_on_status_ne_200=true; |
| Value* vheaders=0; | Value* vheaders=0; |
| Charset *asked_remote_charset=0; | Charset *asked_remote_charset=0; |
| const char* user_cstr=0; | |
| const char* password_cstr=0; | |
| if(options) { | if(options) { |
| int valid_options=0; | int valid_options=get_valid_file_options_count(*options); |
| if(Value* vmethod=options->get(http_method_name)) { | |
| if(Value* vmethod=options->get(HTTP_METHOD_NAME)) { | |
| valid_options++; | valid_options++; |
| method=vmethod->as_string().cstr(); | method=vmethod->as_string().cstr(); |
| } | } |
| if(Value* vtimeout=options->get(http_timeout_name)) { | if(Value* vform=options->get(HTTP_FORM_NAME)) { |
| valid_options++; | valid_options++; |
| timeout=vtimeout->as_int(); | form=vform->get_hash(); |
| } | } |
| if(vheaders=options->get(http_headers_name)) { | if(Value* vbody=options->get(HTTP_BODY_NAME)) { |
| valid_options++; | valid_options++; |
| } | body_cstr=vbody->as_string().cstr(String::L_UNSPECIFIED); |
| if(Value* vany_status=options->get(http_any_status_name)) { | } |
| if(Value* vtimeout=options->get(HTTP_TIMEOUT_NAME)) { | |
| valid_options++; | |
| timeout_secs=vtimeout->as_int(); | |
| } | |
| if((vheaders=options->get(HTTP_HEADERS_NAME))) { | |
| valid_options++; | |
| } | |
| if(Value* vany_status=options->get(HTTP_ANY_STATUS_NAME)) { | |
| valid_options++; | valid_options++; |
| fail_on_status_ne_200=!vany_status->as_bool(); | fail_on_status_ne_200=!vany_status->as_bool(); |
| } | } |
| if(Value* vcharset_name=options->get(http_charset_name)) { | if(Value* vcharset_name=options->get(HTTP_CHARSET_NAME)) { |
| valid_options++; | valid_options++; |
| asked_remote_charset=&::charsets.get(vcharset_name->as_string(). | asked_remote_charset=&::charsets.get(vcharset_name->as_string(). |
| change_case(charsets.source(), String::CC_UPPER)); | change_case(charsets.source(), String::CC_UPPER)); |
| } | |
| if(Value* vuser=options->get(HTTP_USER)) { | |
| valid_options++; | |
| user_cstr=vuser->as_string().cstr(); | |
| } | |
| if(Value* vpassword=options->get(HTTP_PASSWORD)) { | |
| valid_options++; | |
| password_cstr=vpassword->as_string().cstr(); | |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| Line 368 static File_read_http_result file_read_h | Line 520 static File_read_http_result file_read_h |
| if(!asked_remote_charset) // defaulting to $request:charset | if(!asked_remote_charset) // defaulting to $request:charset |
| asked_remote_charset=&charsets.source(); | asked_remote_charset=&charsets.source(); |
| method_is_get=strcmp(method, "GET")==0; | |
| if(method_is_get && body_cstr) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "you can not use $."HTTP_BODY_NAME" option with method GET"); | |
| //preparing request | //preparing request |
| String& connect_string=*new String; | String& connect_string=*new String; |
| // not in ^sql{... L_SQL ...} spirit, but closer to ^file::load one | // not in ^sql{... L_SQL ...} spirit, but closer to ^file::load one |
| connect_string.append(file_spec, String::L_URI); // tainted pieces -> URI pieces | connect_string.append(file_spec, String::L_URI); // tainted pieces -> URI pieces |
| const char* request_cstr; | String request_head_and_body; |
| { | { |
| // influence URLencoding of tainted pieces to String::L_URI lang | // influence URLencoding of tainted pieces to String::L_URI lang |
| Temp_client_charset temp(charsets, *asked_remote_charset); | Temp_client_charset temp(charsets, *asked_remote_charset); |
| Line 392 static File_read_http_result file_read_h | Line 550 static File_read_http_result file_read_h |
| uri=host_uri?current+(host_uri-1-host):"/"; | uri=host_uri?current+(host_uri-1-host):"/"; |
| char* port_cstr=lsplit(host, ':'); | char* port_cstr=lsplit(host, ':'); |
| char* error_pos=0; | char* error_pos=0; |
| port=port_cstr?strtol(port_cstr, &error_pos, 0):80; | port=port_cstr?(short)strtol(port_cstr, &error_pos, 0):80; |
| if(strchr(uri, '?') && form) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "use either uri with ?params or $."HTTP_FORM_NAME" option"); | |
| //making request | //making request head |
| String request; | String head; |
| if(method) | head << method; |
| request<<method; | head << " " << uri; |
| else | if(form) |
| request<<"GET"; | if(method_is_get) |
| request<< " "<< uri <<" HTTP/1.0" CRLF | head << "?" << form2string(*form); |
| head <<" HTTP/1.0" CRLF | |
| "host: "<< host << CRLF; | "host: "<< host << CRLF; |
| if(form && !method_is_get) { | |
| head << "content-type: application/x-www-form-urlencoded" CRLF; | |
| body_cstr = form2string(*form); | |
| } | |
| // http://www.ietf.org/rfc/rfc2617.txt | |
| if(const String* authorization_field_value=basic_authorization_field(user_cstr, password_cstr)) | |
| head<<"authorization: "<<*authorization_field_value<<CRLF; | |
| bool user_agent_specified=false; | bool user_agent_specified=false; |
| if(vheaders && !vheaders->is_string()) { // allow empty | if(vheaders && !vheaders->is_string()) { // allow empty |
| if(HashStringValue *headers=vheaders->get_hash()) { | if(HashStringValue *headers=vheaders->get_hash()) { |
| Http_pass_header_info info={&charsets, &request}; | Http_pass_header_info info={&charsets, &head, false}; |
| headers->for_each(http_pass_header, &info); | headers->for_each(http_pass_header, &info); |
| user_agent_specified=info.user_agent_specified; | user_agent_specified=info.user_agent_specified; |
| } else | } else |
| Line 415 static File_read_http_result file_read_h | Line 587 static File_read_http_result file_read_h |
| "headers param must be hash"); | "headers param must be hash"); |
| }; | }; |
| if(!user_agent_specified) // defaulting | if(!user_agent_specified) // defaulting |
| request << "user-agent: " DEFAULT_USER_AGENT CRLF; | head << "user-agent: " DEFAULT_USER_AGENT CRLF; |
| request << CRLF; | |
| request_cstr=request.cstr(String::L_UNSPECIFIED); | if(body_cstr) { |
| // recode those pieces which are not in String::L_URI lang | |
| // [those violating HTTP standard, but widly used] | |
| body_cstr=Charset::transcode( | |
| String::C(body_cstr, strlen(body_cstr)), | |
| charsets.source(), | |
| *asked_remote_charset); | |
| head << "content-length: " << format(strlen(body_cstr), "%u") << CRLF; | |
| } | |
| const char* head_cstr=head.cstr(String::L_UNSPECIFIED); | |
| // recode those pieces which are not in String::L_URI lang | |
| // [those violating HTTP standard, but widly used] | |
| head_cstr=Charset::transcode( | |
| String::C(head_cstr, strlen(head_cstr)), | |
| charsets.source(), | |
| *asked_remote_charset); | |
| // head + end of header | |
| request_head_and_body << head_cstr << CRLF; | |
| // body | |
| if(body_cstr) | |
| request_head_and_body << body_cstr; | |
| } | } |
| // recode those pieces which are not in String::L_URI lang | |
| // [those violating HTTP standard, but widly used] | |
| request_cstr=Charset::transcode( | |
| String::C(request_cstr, strlen(request_cstr)), | |
| charsets.source(), | |
| *asked_remote_charset); | |
| //sending request | //sending request |
| String response; | char* response; |
| int status_code=http_request(response, | size_t response_size; |
| host, port, request_cstr, | int status_code=http_request(response, response_size, |
| timeout, fail_on_status_ne_200); | host, port, request_head_and_body.cstr(), |
| timeout_secs, fail_on_status_ne_200); | |
| //processing results | //processing results |
| size_t pos=response.pos(CRLF CRLF, 4); | char* raw_body; size_t raw_body_size; |
| if(pos==STRING_NOT_FOUND || pos<1) { | char* headers_end_at; |
| throw Exception("http.response", | find_headers_end(response, |
| &connect_string, | headers_end_at, |
| "bad response from host - no headers found"); | raw_body); |
| } | raw_body_size=response_size-(raw_body-response); |
| const String& header_block=response.mid(0, pos); | |
| const String& raw_body=response.mid(pos+4, response.length()); | |
| ArrayString aheaders; | |
| result.headers=new HashStringValue; | result.headers=new HashStringValue; |
| VHash* vtables=new VHash; | VHash* vtables=new VHash; |
| result.headers->put(http_tables_name, vtables); | result.headers->put(HTTP_TABLES_NAME, vtables); |
| HashStringValue& tables=vtables->hash(); | |
| size_t pos_after=0; | |
| header_block.split(aheaders, pos_after, CRLF); | |
| //processing headers | |
| size_t aheaders_count=aheaders.count(); | |
| Charset* real_remote_charset=0; // undetected, yet | Charset* real_remote_charset=0; // undetected, yet |
| for(size_t i=1; i<aheaders_count; i++) { | |
| const String& line=*aheaders.get(i); | if(headers_end_at) { |
| pos=line.pos(": ", 2); | *headers_end_at=0; |
| if(pos==STRING_NOT_FOUND || pos<1) | const String header_block(String::C(response, headers_end_at-response), true); |
| throw Exception("http.response", | |
| &connect_string, | ArrayString aheaders; |
| "bad response from host - bad header \"%s\"", line.cstr()); | HashStringValue& tables=vtables->hash(); |
| const String::Body HEADER_NAME= | |
| line.mid(0, pos).change_case(charsets.source(), String::CC_UPPER); | size_t pos_after=0; |
| const String& header_value=line.mid(pos+2, line.length()); | header_block.split(aheaders, pos_after, "\n"); |
| if(HEADER_NAME=="CONTENT-TYPE") | |
| real_remote_charset=detect_charset(charsets.source(), header_value); | //processing headers |
| size_t aheaders_count=aheaders.count(); | |
| // tables | for(size_t i=1; i<aheaders_count; i++) { |
| { | const String& line=*aheaders.get(i); |
| Value *valready=(Value *)tables.get(HEADER_NAME); | size_t pos=line.pos(':'); |
| bool existed=valready!=0; | if(pos==STRING_NOT_FOUND || pos<1) |
| Table *table; | throw Exception("http.response", |
| if(existed) { | &connect_string, |
| // second+ appearence | "bad response from host - bad header \"%s\"", line.cstr()); |
| table=valready->get_table(); | const String::Body HEADER_NAME= |
| } else { | line.mid(0, pos).change_case(charsets.source(), String::CC_UPPER); |
| // first appearence | const String& header_value=line.mid(pos+1, line.length()).trim(String::TRIM_BOTH, " \t\r"); |
| Table::columns_type columns =new ArrayString(1); | if(as_text && HEADER_NAME=="CONTENT-TYPE") |
| *columns+=new String("value"); | real_remote_charset=detect_charset(charsets.source(), header_value); |
| table=new Table(columns); | |
| // tables | |
| { | |
| Value *valready=(Value *)tables.get(HEADER_NAME); | |
| bool existed=valready!=0; | |
| Table *table; | |
| if(existed) { | |
| // second+ appearence | |
| table=valready->get_table(); | |
| } else { | |
| // first appearence | |
| Table::columns_type columns =new ArrayString(1); | |
| *columns+=new String("value"); | |
| table=new Table(columns); | |
| } | |
| // this string becomes next row | |
| ArrayString& row=*new ArrayString(1); | |
| row+=&header_value; | |
| *table+=&row; | |
| // not existed before? add it | |
| if(!existed) | |
| tables.put(HEADER_NAME, new VTable(table)); | |
| } | } |
| // this string becomes next row | |
| ArrayString& row=*new ArrayString(1); | |
| row+=&header_value; | |
| *table+=&row; | |
| // not existed before? add it | |
| if(!existed) | |
| tables.put(HEADER_NAME, new VTable(table)); | |
| } | |
| result.headers->put(HEADER_NAME, new VString(header_value)); | result.headers->put(HEADER_NAME, new VString(header_value)); |
| } | } |
| // defaulting to used-asked charset [it's never empty!] | } |
| if(!real_remote_charset) | |
| real_remote_charset=asked_remote_charset; | |
| // output response | // output response |
| String::C real_body=Charset::transcode( | String::C real_body=String::C(raw_body, raw_body_size); |
| String::C(raw_body.cstrm()/*must be modifiable*/, raw_body.length()), | if(as_text && raw_body_size) { // must be checked because transcode returns CONST string in case length==0, which contradicts hacking few lines below |
| *real_remote_charset, | // defaulting to used-asked charset [it's never empty!] |
| charsets.source()); | if(!real_remote_charset) |
| real_remote_charset=asked_remote_charset; | |
| real_body=Charset::transcode(real_body, *real_remote_charset, charsets.source()); | |
| } | |
| result.str=const_cast<char *>(real_body.str); // hacking a little | result.str=const_cast<char *>(real_body.str); // hacking a little |
| result.length=real_body.length; | result.length=real_body.length; |
| Line 514 static File_read_http_result file_read_h | Line 708 static File_read_http_result file_read_h |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct File_read_action_info { | struct File_read_action_info { |
| char **data; size_t *data_size; | char **data; size_t *data_size; |
| char* buf; size_t offset; size_t count; | |
| }; | }; |
| #endif | #endif |
| static void file_read_action( | static void file_read_action( |
| struct stat& finfo, | struct stat& finfo, |
| int f, | int f, |
| const String& file_spec, const char* fname, bool as_text, | const String& file_spec, const char* /*fname*/, bool as_text, |
| void *context) { | void *context) { |
| File_read_action_info& info=*static_cast<File_read_action_info *>(context); | File_read_action_info& info=*static_cast<File_read_action_info *>(context); |
| if(size_t to_read_size=(size_t)finfo.st_size) { | size_t to_read_size=info.count; |
| *info.data=new(PointerFreeGC) char[to_read_size+(as_text?1:0)]; | if(!to_read_size) |
| to_read_size=(size_t)finfo.st_size; | |
| assert( !(info.buf && as_text) ); | |
| if(to_read_size) { | |
| if(info.offset) | |
| lseek(f, info.offset, SEEK_SET); | |
| *info.data=info.buf | |
| ? info.buf | |
| : new(PointerFreeGC) char[to_read_size+(as_text?1:0)]; | |
| *info.data_size=(size_t)read(f, *info.data, to_read_size); | *info.data_size=(size_t)read(f, *info.data, to_read_size); |
| if(ssize_t(*info.data_size)<0 || *info.data_size>to_read_size) | if(ssize_t(*info.data_size)<0 || *info.data_size>to_read_size) |
| throw Exception(0, | throw Exception(0, |
| &file_spec, | &file_spec, |
| "read failed: actually read %l bytes count not in [0..%lu] valid range", | "read failed: actually read %u bytes count not in [0..%u] valid range", |
| *info.data_size, to_read_size); | *info.data_size, to_read_size); |
| } else { // empty file | } else { // empty file |
| if(as_text) { | if(as_text) { |
| Line 543 static void file_read_action( | Line 746 static void file_read_action( |
| } | } |
| File_read_result file_read(Request_charsets& charsets, const String& file_spec, | File_read_result file_read(Request_charsets& charsets, const String& file_spec, |
| bool as_text, HashStringValue *params, | bool as_text, HashStringValue *params, |
| bool fail_on_read_problem) { | bool fail_on_read_problem, |
| File_read_result result={false}; | char* buf, size_t offset, size_t count) { |
| File_read_result result={false, 0, 0, 0}; | |
| #ifdef PA_HTTP | #ifdef PA_HTTP |
| if(file_spec.starts_with("http://")) { | if(file_spec.starts_with("http://")) { |
| if(offset || count) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "offset and load options are not supported for HTTP:// file load"); | |
| // fail on read problem | // fail on read problem |
| File_read_http_result http=file_read_http(charsets, file_spec, params); | File_read_http_result http=file_read_http(charsets, file_spec, as_text, params); |
| result.success=true; | result.success=true; |
| result.str=http.str; | result.str=http.str; |
| result.length=http.length; | result.length=http.length; |
| result.headers=http.headers; | result.headers=http.headers; |
| } else { | } else { |
| #endif | #endif |
| if(params && params->count()) | if(params) { |
| throw Exception("parser.runtime", | int valid_options=get_valid_file_options_count(*params); |
| 0, | if(valid_options!=params->count()) |
| "invalid option passed"); | throw Exception("parser.runtime", |
| 0, | |
| "invalid option passed"); | |
| } | |
| File_read_action_info info={&result.str, &result.length}; | File_read_action_info info={&result.str, &result.length, |
| buf, offset, count}; | |
| result.success=file_read_action_under_lock(file_spec, | result.success=file_read_action_under_lock(file_spec, |
| "read", file_read_action, &info, | "read", file_read_action, &info, |
| as_text, fail_on_read_problem); | as_text, fail_on_read_problem); |
| Line 578 File_read_result file_read(Request_chars | Line 791 File_read_result file_read(Request_chars |
| } | } |
| fix_line_breaks((char *)(result.str), result.length); | fix_line_breaks((char *)(result.str), result.length); |
| // note: after fixing | |
| ((char*&)(result.str))[result.length]=0; | |
| } | } |
| return result; | return result; |
| Line 657 bool file_read_action_under_lock(const S | Line 868 bool file_read_action_under_lock(const S |
| } | } |
| } | } |
| static void create_dir_for_file(const String& file_spec) { | void create_dir_for_file(const String& file_spec) { |
| size_t pos_after=1; | size_t pos_after=1; |
| size_t pos_before; | size_t pos_before; |
| while((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) { | while((pos_before=file_spec.pos('/', pos_after))!=STRING_NOT_FOUND) { |
| Line 917 const char* format(double value, char* f | Line 1128 const char* format(double value, char* f |
| size_t stdout_write(const void *buf, size_t size) { | size_t stdout_write(const void *buf, size_t size) { |
| #ifdef WIN32 | #ifdef WIN32 |
| size_t to_write = size; | |
| do{ | do{ |
| int chunk_written=fwrite(buf, 1, min((size_t)8*0x400, size), stdout); | int chunk_written=fwrite(buf, 1, min((size_t)8*0x400, size), stdout); |
| if(chunk_written<=0) | if(chunk_written<=0) |
| Line 925 size_t stdout_write(const void *buf, siz | Line 1137 size_t stdout_write(const void *buf, siz |
| buf=((const char*)buf)+chunk_written; | buf=((const char*)buf)+chunk_written; |
| } while(size>0); | } while(size>0); |
| return size; | return to_write-size; |
| #else | #else |
| return fwrite(buf, 1, size, stdout); | return fwrite(buf, 1, size, stdout); |
| #endif | #endif |
| Line 938 char* unescape_chars(const char* cp, int | Line 1150 char* unescape_chars(const char* cp, int |
| EscapeFirst, | EscapeFirst, |
| EscapeSecond | EscapeSecond |
| } escapeState=EscapeRest; | } escapeState=EscapeRest; |
| int escapedValue=0; | uchar escapedValue=0; |
| int srcPos=0; | int srcPos=0; |
| int dstPos=0; | int dstPos=0; |
| while(srcPos < len) { | while(srcPos < len) { |
| int ch=cp[srcPos]; | uchar ch=(uchar)cp[srcPos]; |
| switch(escapeState) { | switch(escapeState) { |
| case EscapeRest: | case EscapeRest: |
| if(ch=='%') { | if(ch=='%') { |
| Line 954 char* unescape_chars(const char* cp, int | Line 1166 char* unescape_chars(const char* cp, int |
| } | } |
| break; | break; |
| case EscapeFirst: | case EscapeFirst: |
| escapedValue=hex_value[ch] << 4; | escapedValue=(uchar)(hex_value[ch] << 4); |
| escapeState=EscapeSecond; | escapeState=EscapeSecond; |
| break; | break; |
| case EscapeSecond: | case EscapeSecond: |
| Line 995 bool StrEqNc(const char* s1, const char* | Line 1207 bool StrEqNc(const char* s1, const char* |
| return !strict; | return !strict; |
| } else if(!(*s2)) | } else if(!(*s2)) |
| return !strict; | return !strict; |
| if(isalpha(*s1)) { | if(isalpha((unsigned char)*s1)) { |
| if(tolower(*s1) !=tolower(*s2)) | if(tolower((unsigned char)*s1) !=tolower((unsigned char)*s2)) |
| return false; | return false; |
| } else if((*s1) !=(*s2)) | } else if((*s1) !=(*s2)) |
| return false; | return false; |
| Line 1048 int __vsnprintf(char* b, size_t s, const | Line 1260 int __vsnprintf(char* b, size_t s, const |
| // note: on win32& maybe somewhere else | // note: on win32& maybe somewhere else |
| // vsnprintf do not writes terminating 0 in 'buffer full' case, reducing | // vsnprintf do not writes terminating 0 in 'buffer full' case, reducing |
| --s; | --s; |
| // clients do not check for negative 's', feature: ignore such prints | |
| if((ssize_t)s<0) | |
| return 0; | |
| #if _MSC_VER | #if _MSC_VER |
| /* | /* |
| win32: | win32: |
| Line 1073 int __vsnprintf(char* b, size_t s, const | Line 1290 int __vsnprintf(char* b, size_t s, const |
| if(r<0) | if(r<0) |
| r=0; | r=0; |
| else if(r>s) | else if((size_t)r>s) |
| r=s; | r=s; |
| #endif | #endif |
| b[r]=0; | b[r]=0; |
| Line 1087 int __snprintf(char* b, size_t s, const | Line 1304 int __snprintf(char* b, size_t s, const |
| va_end(l); | va_end(l); |
| return r; | return r; |
| } | } |
| /* mime64 functions are from libgmime[http://spruce.sourceforge.net/gmime/] lib */ | |
| /* | |
| * Authors: Michael Zucchi <notzed@helixcode.com> | |
| * Jeffrey Stedfast <fejj@helixcode.com> | |
| * | |
| * Copyright 2000 Helix Code, Inc. (www.helixcode.com) | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License as published by | |
| * the Free Software Foundation; either version 2 of the License, or | |
| * (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program; if not, write to the Free Software | |
| * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. | |
| * | |
| */ | |
| static char *base64_alphabet = | |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; | |
| /** | |
| * g_mime_utils_base64_encode_step: | |
| * @in: input stream | |
| * @inlen: length of the input | |
| * @out: output string | |
| * @state: holds the number of bits that are stored in @save | |
| * @save: leftover bits that have not yet been encoded | |
| * | |
| * Base64 encodes a chunk of data. Performs an 'encode step', only | |
| * encodes blocks of 3 characters to the output at a time, saves | |
| * left-over state in state and save (initialise to 0 on first | |
| * invocation). | |
| * | |
| * Returns the number of bytes encoded. | |
| **/ | |
| static size_t | |
| g_mime_utils_base64_encode_step (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save) | |
| { | |
| register const unsigned char *inptr; | |
| register unsigned char *outptr; | |
| if (inlen <= 0) | |
| return 0; | |
| inptr = in; | |
| outptr = out; | |
| if (inlen + ((unsigned char *)save)[0] > 2) { | |
| const unsigned char *inend = in + inlen - 2; | |
| register int c1 = 0, c2 = 0, c3 = 0; | |
| register int already; | |
| already = *state; | |
| switch (((char *)save)[0]) { | |
| case 1: c1 = ((unsigned char *)save)[1]; goto skip1; | |
| case 2: c1 = ((unsigned char *)save)[1]; | |
| c2 = ((unsigned char *)save)[2]; goto skip2; | |
| } | |
| /* yes, we jump into the loop, no i'm not going to change it, its beautiful! */ | |
| while (inptr < inend) { | |
| c1 = *inptr++; | |
| skip1: | |
| c2 = *inptr++; | |
| skip2: | |
| c3 = *inptr++; | |
| *outptr++ = base64_alphabet [c1 >> 2]; | |
| *outptr++ = base64_alphabet [(c2 >> 4) | ((c1 & 0x3) << 4)]; | |
| *outptr++ = base64_alphabet [((c2 & 0x0f) << 2) | (c3 >> 6)]; | |
| *outptr++ = base64_alphabet [c3 & 0x3f]; | |
| /* this is a bit ugly ... */ | |
| if ((++already) >= 19) { | |
| *outptr++ = '\n'; | |
| already = 0; | |
| } | |
| } | |
| ((unsigned char *)save)[0] = 0; | |
| inlen = 2 - (inptr - inend); | |
| *state = already; | |
| } | |
| //d(printf ("state = %d, inlen = %d\n", (int)((char *)save)[0], inlen)); | |
| if (inlen > 0) { | |
| register char *saveout; | |
| /* points to the slot for the next char to save */ | |
| saveout = & (((char *)save)[1]) + ((char *)save)[0]; | |
| /* inlen can only be 0 1 or 2 */ | |
| switch (inlen) { | |
| case 2: *saveout++ = *inptr++; | |
| case 1: *saveout++ = *inptr++; | |
| } | |
| ((char *)save)[0] += inlen; | |
| } | |
| /*d(printf ("mode = %d\nc1 = %c\nc2 = %c\n", | |
| (int)((char *)save)[0], | |
| (int)((char *)save)[1], | |
| (int)((char *)save)[2]));*/ | |
| return (outptr - out); | |
| } | |
| /** | |
| * g_mime_utils_base64_encode_close: | |
| * @in: input stream | |
| * @inlen: length of the input | |
| * @out: output string | |
| * @state: holds the number of bits that are stored in @save | |
| * @save: leftover bits that have not yet been encoded | |
| * | |
| * Base64 encodes the input stream to the output stream. Call this | |
| * when finished encoding data with g_mime_utils_base64_encode_step to | |
| * flush off the last little bit. | |
| * | |
| * Returns the number of bytes encoded. | |
| **/ | |
| static size_t | |
| g_mime_utils_base64_encode_close (const unsigned char *in, size_t inlen, unsigned char *out, int *state, int *save) | |
| { | |
| unsigned char *outptr = out; | |
| int c1, c2; | |
| if (inlen > 0) | |
| outptr += g_mime_utils_base64_encode_step (in, inlen, outptr, state, save); | |
| c1 = ((unsigned char *)save)[1]; | |
| c2 = ((unsigned char *)save)[2]; | |
| switch (((unsigned char *)save)[0]) { | |
| case 2: | |
| outptr[2] = base64_alphabet [(c2 & 0x0f) << 2]; | |
| goto skip; | |
| case 1: | |
| outptr[2] = '='; | |
| skip: | |
| outptr[0] = base64_alphabet [c1 >> 2]; | |
| outptr[1] = base64_alphabet [c2 >> 4 | ((c1 & 0x3) << 4)]; | |
| outptr[3] = '='; | |
| outptr += 4; | |
| break; | |
| } | |
| *outptr++ = 0; | |
| *save = 0; | |
| *state = 0; | |
| return (outptr - out); | |
| } | |
| char* pa_base64(const char *in, size_t len) | |
| { | |
| /* wont go to more than 2x size (overly conservative) */ | |
| char* result=new(PointerFreeGC) char[len * 2 + 6]; | |
| int state=0; | |
| int save=0; | |
| #ifndef NDEBUG | |
| size_t filled= | |
| #endif | |
| g_mime_utils_base64_encode_close ((const unsigned char*)in, len, | |
| (unsigned char*)result, &state, &save); | |
| assert(filled <= len * 2 + 6); | |
| return result; | |
| } |