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| version 1.9, 2008/02/15 11:51:22 | version 1.27, 2009/06/05 06:26:19 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: http support functions. | Parser: http support functions. |
| Copyright(c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) | Copyright(c) 2001-2009 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) |
| */ | */ |
| Line 11 static const char * const IDENT_HTTP_C=" | Line 11 static const char * const IDENT_HTTP_C=" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_charsets.h" | #include "pa_charsets.h" |
| #include "pa_request_charsets.h" | #include "pa_request_charsets.h" |
| #include "pa_request.h" | |
| #include "pa_vfile.h" | |
| #include "pa_random.h" | |
| // defines | // defines |
| #define HTTP_METHOD_NAME "method" | #define HTTP_METHOD_NAME "method" |
| #define HTTP_FORM_NAME "form" | #define HTTP_FORM_NAME "form" |
| #define HTTP_BODY_NAME "body" | #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_COOKIES_NAME "cookies" |
| // #define HTTP_CHARSET_NAME "charset" | #define HTTP_FORM_ENCTYPE_NAME "enctype" |
| #define HTTP_ANY_STATUS_NAME "any-status" | |
| #define HTTP_OMIT_POST_CHARSET_NAME "omit-post-charset" // ^file::load[...;http://...;$.form[...]$.method[post]] | |
| // by default add charset to content-type | |
| #define HTTP_TABLES_NAME "tables" | #define HTTP_TABLES_NAME "tables" |
| #define HTTP_USER "user" | #define HTTP_USER "user" |
| #define HTTP_PASSWORD "password" | #define HTTP_PASSWORD "password" |
| Line 33 static const char * const IDENT_HTTP_C=" | Line 41 static const char * const IDENT_HTTP_C=" |
| #undef CRLF | #undef CRLF |
| #define CRLF "\r\n" | #define CRLF "\r\n" |
| #define DCRLF "\r\n\r\n" | |
| static bool set_addr(struct sockaddr_in *addr, const char* host, const short port){ | static bool set_addr(struct sockaddr_in *addr, const char* host, const short port){ |
| memset(addr, 0, sizeof(*addr)); | memset(addr, 0, sizeof(*addr)); |
| addr->sin_family=AF_INET; | addr->sin_family=AF_INET; |
| addr->sin_port=htons(port); | addr->sin_port=htons(port); |
| if(host) { | if(host) { |
| ulong packed_ip=inet_addr(host); | ulong packed_ip=inet_addr(host); |
| if(packed_ip!=INADDR_NONE) | if(packed_ip!=INADDR_NONE) |
| memcpy(&addr->sin_addr, &packed_ip, sizeof(packed_ip)); | memcpy(&addr->sin_addr, &packed_ip, sizeof(packed_ip)); |
| Line 49 static bool set_addr(struct sockaddr_in | Line 58 static bool set_addr(struct sockaddr_in |
| else | else |
| return false; | return false; |
| } | } |
| } else | } else |
| addr->sin_addr.s_addr=INADDR_ANY; | addr->sin_addr.s_addr=INADDR_ANY; |
| return true; | return true; |
| } | } |
| size_t guess_content_length(char* buf) { | size_t guess_content_length(char* buf) { |
| Line 182 done: | Line 191 done: |
| #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 size_t file_untaint(const char* str, size_t len) { | |
| // untaint file from L_FILE_POST encoding | |
| char* j=(char *)str; | |
| const char* end=str+len-1; | |
| for(const char* i=str; i<=end; i++, j++){ | |
| if(*i=='\\' && i!=end){ | |
| switch(*(i+1)){ | |
| case '0': | |
| *j='\0'; | |
| i++; | |
| continue; | |
| case '\\': | |
| *j='\\'; | |
| i++; | |
| continue; | |
| } | |
| } | |
| if(i!=j) | |
| *j=*i; | |
| } | |
| return j-str; // new length | |
| } | |
| static int http_request(char*& response, size_t& response_size, | static int http_request(char*& response, size_t& response_size, |
| const char* host, short port, | const char* host, short port, |
| const char* request, | const char* request, size_t request_size, |
| int timeout_secs, | int timeout_secs, |
| bool fail_on_status_ne_200) { | bool fail_on_status_ne_200) { |
| if(!host) | if(!host) |
| Line 251 static int http_request(char*& response, | Line 283 static int http_request(char*& response, |
| 0, | 0, |
| "can not connect to host \"%s\": %s (%d)", host, pa_socks_strerr(no), no); | "can not connect to host \"%s\": %s (%d)", host, pa_socks_strerr(no), no); |
| } | } |
| 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) { |
| int no=pa_socks_errno(); | int no=pa_socks_errno(); |
| throw Exception("http.timeout", | throw Exception("http.timeout", |
| Line 283 struct Http_pass_header_info { | Line 315 struct Http_pass_header_info { |
| Request_charsets* charsets; | Request_charsets* charsets; |
| String* request; | String* request; |
| bool user_agent_specified; | bool user_agent_specified; |
| bool content_type_specified; | |
| }; | }; |
| #endif | #endif |
| static void http_pass_header(HashStringValue::key_type name, | static void http_pass_header(HashStringValue::key_type name, |
| HashStringValue::value_type value, | HashStringValue::value_type value, |
| Http_pass_header_info *info) { | Http_pass_header_info *info) { |
| String aname=String(name, String::L_HTTP_HEADER); | String aname=String(name, String::L_URI); |
| *info->request <<aname<<": " | *info->request << aname << ": " |
| << attributed_meaning_to_string(*value, String::L_HTTP_HEADER, false) | << attributed_meaning_to_string(*value, String::L_URI, false) |
| << CRLF; | << CRLF; |
| if(aname.change_case(info->charsets->source(), String::CC_UPPER)=="USER-AGENT") | const String::Body name_upper=aname.change_case(info->charsets->source(), String::CC_UPPER); |
| if(name_upper==HTTP_USER_AGENT_UPPER) | |
| info->user_agent_specified=true; | info->user_agent_specified=true; |
| if(name_upper==HTTP_CONTENT_TYPE_UPPER) | |
| info->content_type_specified=true; | |
| } | } |
| static void http_pass_cookie(HashStringValue::key_type name, | |
| HashStringValue::value_type value, | |
| Http_pass_header_info *info) { | |
| *info->request << String(name, String::L_HTTP_COOKIE) << "=" | |
| << attributed_meaning_to_string(*value, String::L_HTTP_COOKIE, false) | |
| << "; "; | |
| static Charset* detect_charset(Charset& source_charset, const String& content_type_value) { | |
| const String::Body CONTENT_TYPE_VALUE= | |
| content_type_value.change_case(source_charset, String::CC_UPPER); | |
| // content-type: xxx/xxx; source_charset=WE-NEED-THIS | |
| // content-type: xxx/xxx; source_charset="WE-NEED-THIS" | |
| // content-type: xxx/xxx; source_charset="WE-NEED-THIS"; | |
| size_t before_charseteq_pos=CONTENT_TYPE_VALUE.pos("CHARSET="); | |
| if(before_charseteq_pos!=STRING_NOT_FOUND) { | |
| size_t charset_begin=before_charseteq_pos+8/*CHARSET=*/; | |
| size_t open_quote_pos=CONTENT_TYPE_VALUE.pos('"', charset_begin); | |
| bool quoted=open_quote_pos==charset_begin; | |
| if(quoted) | |
| charset_begin++; // skip opening '"' | |
| size_t charset_end=CONTENT_TYPE_VALUE.length(); | |
| if(quoted) { | |
| size_t close_quote_pos=CONTENT_TYPE_VALUE.pos('"', charset_begin); | |
| if(close_quote_pos!=STRING_NOT_FOUND) | |
| charset_end=close_quote_pos; | |
| } else { | |
| size_t delim_pos=CONTENT_TYPE_VALUE.pos(';', charset_begin); | |
| if(delim_pos!=STRING_NOT_FOUND) | |
| charset_end=delim_pos; | |
| } | |
| const String::Body CHARSET_NAME_BODY= | |
| CONTENT_TYPE_VALUE.mid(charset_begin, charset_end - charset_begin); | |
| return &charsets.get(CHARSET_NAME_BODY); | |
| } | |
| return 0; | |
| } | } |
| static const String* basic_authorization_field(const char* user, const char* pass) { | static const String* basic_authorization_field(const char* user, const char* pass) { |
| Line 343 static const String* basic_authorization | Line 356 static const String* basic_authorization |
| if(pass) | if(pass) |
| combined<<pass; | combined<<pass; |
| String* result=new String("Basic "); *result<<pa_base64_encode(combined.cstr(), combined.length()); | String* result=new String("Basic "); |
| *result<<pa_base64_encode(combined.cstr(), combined.length()); | |
| return result; | return result; |
| } | } |
| static void form_string_value2string( | static void form_string_value2string( |
| HashStringValue::key_type key, | HashStringValue::key_type key, |
| const String& value, | const String& value, |
| String& result) | String& result) |
| { | { |
| result << String(key, String::L_URI) << "="; | result << String(key, String::L_URI) << "="; |
| result.append(value, String::L_URI, true); | result.append(value, String::L_URI, true); |
| result<< "&"; | result << "&"; |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Form_table_value2string_info { | struct Form_table_value2string_info { |
| HashStringValue::key_type key; | HashStringValue::key_type key; |
| Line 369 static void form_table_value2string(Tabl | Line 384 static void form_table_value2string(Tabl |
| form_string_value2string(info->key, *row->get(0), info->result); | form_string_value2string(info->key, *row->get(0), info->result); |
| } | } |
| static void form_value2string( | static void form_value2string( |
| HashStringValue::key_type key, | HashStringValue::key_type key, |
| HashStringValue::value_type value, | HashStringValue::value_type value, |
| String* result) | String* result) |
| { | { |
| if(const String* svalue=value->get_string()) | if(const String* svalue=value->get_string()) |
| form_string_value2string(key, *svalue, *result); | form_string_value2string(key, *svalue, *result); |
| Line 379 static void form_value2string( | Line 394 static void form_value2string( |
| Form_table_value2string_info info(key, *result); | Form_table_value2string_info info(key, *result); |
| tvalue->for_each(form_table_value2string, &info); | tvalue->for_each(form_table_value2string, &info); |
| } else | } else |
| throw Exception(0, | throw Exception(PARSER_RUNTIME, |
| new String(key, String::L_TAINTED), | new String(key, String::L_TAINTED), |
| "is %s, "HTTP_FORM_NAME" option value must either string or table", value->type()); | "is %s, "HTTP_FORM_NAME" option value can be string or table only (file is allowed for $."HTTP_METHOD_NAME"[POST] + $."HTTP_FORM_ENCTYPE_NAME"["HTTP_CONTENT_TYPE_MULTIPART_FORMDATA"])", value->type()); |
| } | } |
| const char* pa_form2string(HashStringValue& form, Request_charsets& charsets) { | const char* pa_form2string(HashStringValue& form, Request_charsets& charsets) { |
| String string; | String string; |
| form.for_each<String*>(form_value2string, &string); | form.for_each<String*>(form_value2string, &string); |
| return string.cstr(String::L_UNSPECIFIED, 0, &charsets); | return string.cstr(String::L_UNSPECIFIED, 0, &charsets); |
| } | } |
| struct FormPart { | |
| Request* r; | |
| const char* boundary; | |
| String string; | |
| Form_table_value2string_info* info; | |
| }; | |
| static void form_part_boundary_header(FormPart& part, String name, const char* file_name=0){ | |
| part.string << "--" << part.boundary; | |
| part.string << CRLF HTTP_CONTENT_DISPOSITION ": form-data; name=\"" << name << "\""; | |
| if(file_name){ | |
| if(strcmp(file_name, NONAME_DAT)!=0) | |
| part.string << "; filename=\"" << file_name << "\""; | |
| part.string << CRLF HTTP_CONTENT_TYPE ": " << part.r->mime_type_of(file_name); | |
| } | |
| part.string << DCRLF; | |
| } | |
| static void form_string_value2part( | |
| HashStringValue::key_type key, | |
| const String& value, | |
| FormPart& part) | |
| { | |
| form_part_boundary_header(part, String(key, String::L_URI)); | |
| part.string.append(value, String::L_AS_IS, true); | |
| part.string << CRLF; | |
| } | |
| static void form_file_value2part( | |
| HashStringValue::key_type key, | |
| VFile& vfile, | |
| FormPart& part) | |
| { | |
| form_part_boundary_header(part, String(key, String::L_URI), vfile.fields().get(name_name)->as_string().cstr()); | |
| part.string.append_know_length(vfile.value_ptr(), vfile.value_size(), String::L_FILE_POST); | |
| part.string << CRLF; | |
| } | |
| static void form_table_value2part(Table::element_type row, FormPart* part) { | |
| form_string_value2part(part->info->key, *row->get(0), *part); | |
| } | |
| static void form_value2part( | |
| HashStringValue::key_type key, | |
| HashStringValue::value_type value, | |
| FormPart& part) | |
| { | |
| if(const String* svalue=value->get_string()) | |
| form_string_value2part(key, *svalue, part); | |
| else if(Table* tvalue=value->get_table()) { | |
| Form_table_value2string_info info(key, part.string); | |
| part.info = &info; | |
| tvalue->for_each(form_table_value2part, &part); | |
| } else if(VFile* vfile=static_cast<VFile *>(value->as("file", false))){ | |
| form_file_value2part(key, *vfile, part); | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| new String(key, String::L_TAINTED), | |
| "is %s, "HTTP_FORM_NAME" option value can be string, table or file only", value->type()); | |
| } | |
| const char* pa_form2string_multipart(HashStringValue& form, Request& r, const char* boundary, size_t& post_size){ | |
| FormPart formpart; | |
| formpart.r=&r; | |
| formpart.boundary=boundary; | |
| formpart.info=NULL; | |
| form.for_each<FormPart&>(form_value2part, formpart); | |
| formpart.string << "--" << boundary << "--"; | |
| post_size=formpart.string.length(); | |
| return formpart.string.cstr(String::L_UNSPECIFIED, 0, &(r.charsets)); | |
| } | |
| static void find_headers_end(char* p, | static void find_headers_end(char* p, |
| char*& headers_end_at, | char*& headers_end_at, |
| char*& raw_body) | char*& raw_body) |
| Line 408 static void find_headers_end(char* p, | Line 497 static void find_headers_end(char* p, |
| } | } |
| /// @todo build .cookies field. use ^file.tables.SET-COOKIES.menu{ for now | /// @todo build .cookies field. use ^file.tables.SET-COOKIES.menu{ for now |
| File_read_http_result pa_internal_file_read_http(Request_charsets& charsets, | File_read_http_result pa_internal_file_read_http(Request& r, |
| const String& file_spec, | const String& file_spec, |
| bool as_text, | bool as_text, |
| HashStringValue *options) { | HashStringValue *options, |
| bool transcode_text_result) { | |
| File_read_http_result result; | File_read_http_result result; |
| char host[MAX_STRING]; | char host[MAX_STRING]; |
| const char* uri; | const char* uri; |
| short port; | short port; |
| const char* method="GET"; bool method_is_get; | const char* method="GET"; |
| bool method_is_get=true; | |
| HashStringValue* form=0; | HashStringValue* form=0; |
| const char* body_cstr=0; | const char* body_cstr=0; |
| int timeout_secs=2; | int timeout_secs=2; |
| bool fail_on_status_ne_200=true; | bool fail_on_status_ne_200=true; |
| bool omit_post_charset=false; | |
| Value* vheaders=0; | Value* vheaders=0; |
| Value* vcookies=0; | |
| Value* vbody=0; | |
| Charset *asked_remote_charset=0; | Charset *asked_remote_charset=0; |
| const char* user_cstr=0; | const char* user_cstr=0; |
| const char* password_cstr=0; | const char* password_cstr=0; |
| const char* encode=0; | |
| bool multipart=false; | |
| if(options) { | if(options) { |
| int valid_options=pa_get_valid_file_options_count(*options); | int valid_options=pa_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().change_case(r.charsets.source(), String::CC_UPPER).cstr(); |
| method_is_get=strcmp(method, "GET")==0; | |
| } | |
| if(Value* vencode=options->get(HTTP_FORM_ENCTYPE_NAME)) { | |
| valid_options++; | |
| encode=vencode->as_string().cstr(); | |
| } | } |
| if(Value* vform=options->get(HTTP_FORM_NAME)) { | if(Value* vform=options->get(HTTP_FORM_NAME)) { |
| valid_options++; | valid_options++; |
| form=vform->get_hash(); | form=vform->get_hash(); |
| } | } |
| if(Value* vbody=options->get(HTTP_BODY_NAME)) { | if(vbody=options->get(HTTP_BODY_NAME)) { |
| valid_options++; | valid_options++; |
| body_cstr=vbody->as_string().cstr(String::L_UNSPECIFIED); | |
| } | } |
| if(Value* vtimeout=options->get(HTTP_TIMEOUT_NAME)) { | if(Value* vtimeout=options->get(HTTP_TIMEOUT_NAME)) { |
| valid_options++; | valid_options++; |
| timeout_secs=vtimeout->as_int(); | timeout_secs=vtimeout->as_int(); |
| } | } |
| if((vheaders=options->get(HTTP_HEADERS_NAME))) { | if(vheaders=options->get(HTTP_HEADERS_NAME)) { |
| valid_options++; | |
| } | |
| if(vcookies=options->get(HTTP_COOKIES_NAME)) { | |
| valid_options++; | valid_options++; |
| } | } |
| if(Value* vany_status=options->get(HTTP_ANY_STATUS_NAME)) { | 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* vomit_post_charset=options->get(HTTP_OMIT_POST_CHARSET_NAME)){ | |
| valid_options++; | |
| omit_post_charset=vomit_post_charset->as_bool(); | |
| } | |
| if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) { | if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) { |
| // valid_options++; | asked_remote_charset=&charsets.get(vcharset_name->as_string(). |
| asked_remote_charset=&::charsets.get(vcharset_name->as_string(). | change_case(r.charsets.source(), String::CC_UPPER)); |
| change_case(charsets.source(), String::CC_UPPER)); | |
| } | } |
| if(Value* vuser=options->get(HTTP_USER)) { | if(Value* vuser=options->get(HTTP_USER)) { |
| valid_options++; | valid_options++; |
| Line 472 File_read_http_result pa_internal_file_r | Line 578 File_read_http_result pa_internal_file_r |
| "invalid option passed"); | "invalid option passed"); |
| } | } |
| if(!asked_remote_charset) // defaulting to $request:charset | if(!asked_remote_charset) // defaulting to $request:charset |
| asked_remote_charset=&charsets.source(); | asked_remote_charset=&(r.charsets).source(); |
| method_is_get=strcmp(method, "GET")==0; | if(encode){ |
| if(method_is_get && body_cstr) | if(method_is_get) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "you can not use $."HTTP_BODY_NAME" option with method GET"); | "you can not use $."HTTP_FORM_ENCTYPE_NAME" option with method GET"); |
| multipart=strcasecmp(encode, HTTP_CONTENT_TYPE_MULTIPART_FORMDATA)==0; | |
| if(!multipart && strcasecmp(encode, HTTP_CONTENT_TYPE_FORM_URLENCODED)!=0) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "$."HTTP_FORM_ENCTYPE_NAME" option value can be "HTTP_CONTENT_TYPE_FORM_URLENCODED" or "HTTP_CONTENT_TYPE_MULTIPART_FORMDATA" only"); | |
| } | |
| if(vbody){ | |
| if(method_is_get) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can not use $."HTTP_BODY_NAME" option with method GET"); | |
| if(form) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "you can not use options $."HTTP_BODY_NAME" and $."HTTP_FORM_NAME" together"); | |
| } | |
| //preparing request | //preparing request |
| String& connect_string=*new String; | String& connect_string=*new String; |
| Line 488 File_read_http_result pa_internal_file_r | Line 614 File_read_http_result pa_internal_file_r |
| String request_head_and_body; | 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(r.charsets, *asked_remote_charset); |
| const char* connect_string_cstr=connect_string.cstr(String::L_UNSPECIFIED, 0, &charsets); | const char* connect_string_cstr=connect_string.cstr(String::L_UNSPECIFIED, 0, &(r.charsets)); |
| const char* current=connect_string_cstr; | const char* current=connect_string_cstr; |
| if(strncmp(current, "http://", 7)!=0) | if(strncmp(current, "http://", 7)!=0) |
| throw Exception(0, | throw Exception(PARSER_RUNTIME, |
| &connect_string, | &connect_string, |
| "does not start with http://"); //never | "does not start with http://"); //never |
| current+=7; | current+=7; |
| Line 508 File_read_http_result pa_internal_file_r | Line 634 File_read_http_result pa_internal_file_r |
| bool uri_has_query_string=strchr(uri, '?')!=0; | bool uri_has_query_string=strchr(uri, '?')!=0; |
| //making request head | // making request head |
| String head; | String head; |
| head << method; | head << method << " " << uri; |
| head << " " << uri; | if(form && method_is_get) |
| if(form) | head << (uri_has_query_string?"&":"?") << pa_form2string(*form, r.charsets); |
| if(method_is_get) | |
| head << (uri_has_query_string?"&":"?") << pa_form2string(*form, charsets); | head <<" HTTP/1.0" CRLF "host: "<< host << CRLF; |
| head <<" HTTP/1.0" CRLF | |
| "host: "<< host << CRLF; | char* boundary; |
| if(multipart){ | |
| uuid uuid=get_uuid(); | |
| const int boundary_bufsize=10+32+1/*for zero-teminator*/+1/*for faulty snprintfs*/; | |
| boundary=new(PointerFreeGC) char[boundary_bufsize]; | |
| snprintf(boundary, boundary_bufsize, | |
| "----------%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X", | |
| uuid.time_low, uuid.time_mid, uuid.time_hi_and_version, | |
| uuid.clock_seq >> 8, uuid.clock_seq & 0xFF, | |
| uuid.node[0], uuid.node[1], uuid.node[2], | |
| uuid.node[3], uuid.node[4], uuid.node[5]); | |
| } | |
| size_t post_size=0; | |
| if(form && !method_is_get) { | if(form && !method_is_get) { |
| head << "content-type: application/x-www-form-urlencoded" CRLF; | head << HTTP_CONTENT_TYPE ": "; |
| body_cstr = pa_form2string(*form, charsets); | if(multipart) { |
| head << HTTP_CONTENT_TYPE_MULTIPART_FORMDATA "; boundary=" << boundary << CRLF; | |
| // !!! charset? | |
| body_cstr=pa_form2string_multipart(*form, r, boundary, post_size); | |
| } else { | |
| head << HTTP_CONTENT_TYPE_FORM_URLENCODED; | |
| if(!omit_post_charset) | |
| head << "; charset=" << asked_remote_charset->NAME_CSTR() << ";"; | |
| head << CRLF; | |
| body_cstr=pa_form2string(*form, r.charsets); | |
| post_size=strlen(body_cstr); | |
| } | |
| } else if (vbody) { | |
| body_cstr=vbody->as_string().cstr(String::L_UNSPECIFIED, 0, &(r.charsets)); | |
| // needed for transcoded $.body[] first of all | |
| body_cstr=Charset::transcode( | |
| String::C(body_cstr, strlen(body_cstr)), | |
| r.charsets.source(), | |
| *asked_remote_charset | |
| ); | |
| post_size=strlen(body_cstr); | |
| } | } |
| // http://www.ietf.org/rfc/rfc2617.txt | // http://www.ietf.org/rfc/rfc2617.txt |
| Line 527 File_read_http_result pa_internal_file_r | Line 687 File_read_http_result pa_internal_file_r |
| head<<"authorization: "<<*authorization_field_value<<CRLF; | head<<"authorization: "<<*authorization_field_value<<CRLF; |
| bool user_agent_specified=false; | bool user_agent_specified=false; |
| bool content_type_specified=false; | |
| if(vheaders && !vheaders->is_string()) { // allow empty | if(vheaders && !vheaders->is_string()) { // allow empty |
| if(HashStringValue *headers=vheaders->get_hash()) { | if(HashStringValue *headers=vheaders->get_hash()) { |
| Http_pass_header_info info={&charsets, &head, false}; | Http_pass_header_info info={&(r.charsets), &head, false}; |
| headers->for_each<Http_pass_header_info*>(http_pass_header, &info); | headers->for_each<Http_pass_header_info*>(http_pass_header, &info); |
| user_agent_specified=info.user_agent_specified; | user_agent_specified=info.user_agent_specified; |
| content_type_specified=info.content_type_specified; | |
| } else | } else |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, |
| &connect_string, | &connect_string, |
| "headers param must be hash"); | "headers param must be hash"); |
| }; | }; |
| if(!user_agent_specified) // defaulting | if(!user_agent_specified) // defaulting |
| head << "user-agent: " DEFAULT_USER_AGENT CRLF; | head << HTTP_USER_AGENT ": " DEFAULT_USER_AGENT CRLF; |
| if(body_cstr) { | if(form && !method_is_get && content_type_specified) // POST + form + content-type was specified |
| head << "content-length: " << format(strlen(body_cstr), "%u") << CRLF; | throw Exception(PARSER_RUNTIME, |
| &connect_string, | |
| "$.content-type can't be specified with method POST"); | |
| if(vcookies && !vcookies->is_string()){ // allow empty | |
| if(HashStringValue* cookies=vcookies->get_hash()) { | |
| head << "cookie: "; | |
| Http_pass_header_info info={&(r.charsets), &head, false}; | |
| cookies->for_each<Http_pass_header_info*>(http_pass_cookie, &info); | |
| head << CRLF; | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| &connect_string, | |
| "cookies param must be hash"); | |
| } | } |
| const char* head_cstr=head.cstr(String::L_UNSPECIFIED, 0, &charsets); | if(body_cstr) |
| head << "content-length: " << format(post_size, "%u") << CRLF; | |
| const char* head_cstr=head.cstr(String::L_UNSPECIFIED, 0, &(r.charsets)); | |
| // head + end of header | // head + end of header |
| request_head_and_body << head_cstr << CRLF; | request_head_and_body << head_cstr << CRLF; |
| Line 557 File_read_http_result pa_internal_file_r | Line 735 File_read_http_result pa_internal_file_r |
| //sending request | //sending request |
| char* response; | char* response; |
| size_t response_size; | size_t response_size; |
| const char* request=request_head_and_body.cstr(); | |
| size_t request_size=strlen(request); | |
| if(multipart) | |
| request_size=file_untaint(request, request_size); | |
| int status_code=http_request(response, response_size, | int status_code=http_request(response, response_size, |
| host, port, request_head_and_body.cstr(), | host, port, request, request_size, |
| timeout_secs, fail_on_status_ne_200); | timeout_secs, fail_on_status_ne_200); |
| //processing results | //processing results |
| Line 576 File_read_http_result pa_internal_file_r | Line 761 File_read_http_result pa_internal_file_r |
| if(headers_end_at) { | if(headers_end_at) { |
| *headers_end_at=0; | *headers_end_at=0; |
| const String header_block(String::C(response, headers_end_at-response), true); | const String header_block(String::C(response, headers_end_at-response), String::L_TAINTED); |
| ArrayString aheaders; | ArrayString aheaders; |
| HashStringValue& tables=vtables->hash(); | HashStringValue& tables=vtables->hash(); |
| Line 593 File_read_http_result pa_internal_file_r | Line 778 File_read_http_result pa_internal_file_r |
| throw Exception("http.response", | throw Exception("http.response", |
| &connect_string, | &connect_string, |
| "bad response from host - bad header \"%s\"", line.cstr()); | "bad response from host - bad header \"%s\"", line.cstr()); |
| const String::Body HEADER_NAME= | const String::Body HEADER_NAME=line.mid(0, pos).change_case(r.charsets.source(), String::CC_UPPER); |
| line.mid(0, pos).change_case(charsets.source(), String::CC_UPPER); | const String& HEADER_VALUE=line.mid(pos+1, line.length()).trim(String::TRIM_BOTH, " \t\r"); |
| const String& header_value=line.mid(pos+1, line.length()).trim(String::TRIM_BOTH, " \t\r"); | if(as_text && HEADER_NAME==HTTP_CONTENT_TYPE_UPPER) |
| if(as_text && HEADER_NAME=="CONTENT-TYPE") | real_remote_charset=detect_charset(HEADER_VALUE.cstr(), true/*already uppercased*/); |
| real_remote_charset=detect_charset(charsets.source(), header_value); | |
| // tables | // tables |
| { | { |
| Line 609 File_read_http_result pa_internal_file_r | Line 793 File_read_http_result pa_internal_file_r |
| table=valready->get_table(); | table=valready->get_table(); |
| } else { | } else { |
| // first appearence | // first appearence |
| Table::columns_type columns =new ArrayString(1); | Table::columns_type columns=new ArrayString(1); |
| *columns+=new String("value"); | *columns+=new String("value"); |
| table=new Table(columns); | table=new Table(columns); |
| } | } |
| // this string becomes next row | // this string becomes next row |
| ArrayString& row=*new ArrayString(1); | ArrayString& row=*new ArrayString(1); |
| row+=&header_value; | row+=&HEADER_VALUE; |
| *table+=&row; | *table+=&row; |
| // not existed before? add it | // not existed before? add it |
| if(!existed) | if(!existed) |
| tables.put(HEADER_NAME, new VTable(table)); | 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)); |
| } | } |
| } | } |
| if(as_text && raw_body_size>=3 && strncmp(raw_body, "\xEF\xBB\xBF", 3)==0){ | |
| // skip UTF-8 signature (BOM code) | |
| raw_body+=3; | |
| raw_body_size-=3; | |
| } | |
| // output response | // output response |
| String::C real_body=String::C(raw_body, raw_body_size); | String::C real_body=String::C(raw_body, raw_body_size); |
| if(as_text && raw_body_size) { // must be checked because transcode returns CONST string in case length==0, which contradicts hacking few lines below | |
| if(as_text && transcode_text_result && raw_body_size) { // raw_body_size must be checked because transcode returns CONST string in case length==0, which contradicts hacking few lines below | |
| // defaulting to used-asked charset [it's never empty!] | // defaulting to used-asked charset [it's never empty!] |
| if(!real_remote_charset) | if(!real_remote_charset) |
| real_remote_charset=asked_remote_charset; | real_remote_charset=asked_remote_charset; |
| real_body=Charset::transcode(real_body, *real_remote_charset, charsets.source()); | |
| real_body=Charset::transcode(real_body, *real_remote_charset, r.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; |
| if(as_text && result.length) | |
| fix_line_breaks(result.str, result.length); | |
| result.headers->put(file_status_name, new VInt(status_code)); | result.headers->put(file_status_name, new VInt(status_code)); |
| return result; | return result; |
| } | } |