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| version 1.248.4.1, 2003/09/24 14:32:06 | version 1.271, 2004/10/05 10:55:36 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: request class main part. @see compile.C and execute.C. | Parser: request class main part. @see compile.C and execute.C. |
| Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2004 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_REQUEST_C="$Date$"; | static const char * const IDENT_REQUEST_C="$Date$"; |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| Line 31 static const char* IDENT_REQUEST_C="$Dat | Line 31 static const char* IDENT_REQUEST_C="$Dat |
| #include "pa_vcookie.h" | #include "pa_vcookie.h" |
| #include "pa_vresponse.h" | #include "pa_vresponse.h" |
| #include "pa_vmemory.h" | #include "pa_vmemory.h" |
| #include "pa_vconsole.h" | |
| #include "pa_vdate.h" | |
| // consts | // consts |
| const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception"; | #define UNHANDLED_EXCEPTION_METHOD_NAME "unhandled_exception" |
| /// content type of exception response, when no @MAIN:exception handler defined | /// content type of exception response, when no @MAIN:exception handler defined |
| const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; | const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; |
| Line 51 const char* ORIGINS_CONTENT_TYPE="text/p | Line 53 const char* ORIGINS_CONTENT_TYPE="text/p |
| #define EXCEPTION_TYPE_PART_NAME "type" | #define EXCEPTION_TYPE_PART_NAME "type" |
| #define EXCEPTION_SOURCE_PART_NAME "source" | #define EXCEPTION_SOURCE_PART_NAME "source" |
| #define EXCEPTION_COMMENT_PART_NAME "comment" | #define EXCEPTION_COMMENT_PART_NAME "comment" |
| #define EXCEPTION_HANDLED_PART_NAME "handled" | #define RESPONSE_BODY_FILE_NAME "file" |
| // globals | // globals |
| Line 65 const String exception_type_part_name(EX | Line 67 const String exception_type_part_name(EX |
| const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME); | const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME); |
| const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME); | const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME); |
| const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME); | const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME); |
| const String response_body_file_name(RESPONSE_BODY_FILE_NAME); | |
| // defines for statics | // defines for statics |
| Line 94 VStateless_class& VClassMAIN_create(); | Line 97 VStateless_class& VClassMAIN_create(); |
| // | // |
| Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, | Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, |
| String::Language adefault_lang, bool status_allowed): | String::Language adefault_lang, bool status_allowed): |
| // private | // private |
| anti_endless_execute_recoursion(0), | anti_endless_execute_recoursion(0), |
| Line 113 Request::Request(SAPI_Info& asapi_info, | Line 116 Request::Request(SAPI_Info& asapi_info, |
| #endif | #endif |
| // public | // public |
| sapi_info(asapi_info), | |
| request_info(arequest_info), | request_info(arequest_info), |
| sapi_info(asapi_info), | |
| charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets | charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets |
| main_class(VClassMAIN_create()), | main_class(VClassMAIN_create()), |
| form(*new VForm), | form(*new VForm(charsets, arequest_info)), |
| mail(*new VMail), | mail(*new VMail), |
| response(*new VResponse(arequest_info, charsets)), | response(*new VResponse(arequest_info, charsets)), |
| cookie(*new VCookie), | cookie(*new VCookie), |
| Line 131 Request::Request(SAPI_Info& asapi_info, | Line 134 Request::Request(SAPI_Info& asapi_info, |
| // private mime types | // private mime types |
| mime_types(0) | mime_types(0) |
| { | { |
| pa_register_thread_request(*this); | |
| // file_no=0 => unknown | // file_no=0 => unknown |
| file_list+=String::Body("UNKNOWN"); | file_list+=String::Body("UNKNOWN"); |
| file_list+=String::Body("-body of process-"); // pseudo_file_no__process | file_list+=String::Body("-body of process-"); // pseudo_file_no__process |
| // maybe expire old caches | // maybe expire old caches |
| cache_managers.maybe_expire(); | cache_managers->maybe_expire(); |
| /// directly used | /// directly used |
| // MAIN class, operators | // MAIN class, operators |
| Line 155 Request::Request(SAPI_Info& asapi_info, | Line 160 Request::Request(SAPI_Info& asapi_info, |
| classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets)); | classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets)); |
| // cookie class | // cookie class |
| classes().put(String::Body(COOKIE_CLASS_NAME), &cookie); | classes().put(String::Body(COOKIE_CLASS_NAME), &cookie); |
| // console class | |
| classes().put(String::Body(CONSOLE_CLASS_NAME), new VConsole()); | |
| /// methoded | /// methoded |
| // response class | // response class |
| Line 225 void Request::configure_admin(VStateless | Line 232 void Request::configure_admin(VStateless |
| methoded_array().configure_admin(*this); | methoded_array().configure_admin(*this); |
| } | } |
| const char* Request::get_exception_cstr( | |
| const Exception& e, | |
| Request::Exception_details& details) { | |
| #define PA_URI_FORMAT "%s: " | |
| #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): " | |
| #define PA_SOURCE_FORMAT "'%s' " | |
| #define PA_COMMENT_TYPE_FORMAT "%s [%s]" | |
| char* result=new(PointerFreeGC) char[MAX_STRING]; | |
| if(details.problem_source) { // do we know the guy? | |
| if(details.trace) { // do whe know where he came from? | |
| Operation::Origin origin=details.trace.origin(); | |
| snprintf(result, MAX_STRING, | |
| PA_URI_FORMAT | |
| PA_ORIGIN_FILE_POS_FORMAT | |
| PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col, | |
| details.problem_source->cstr(), | |
| e.comment(), e.type() | |
| ); | |
| } else | |
| snprintf(result, MAX_STRING, | |
| PA_URI_FORMAT | |
| PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| details.problem_source->cstr(), | |
| e.comment(), e.type() | |
| ); | |
| } else | |
| snprintf(result, MAX_STRING, | |
| PA_URI_FORMAT | |
| PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| e.comment(), e.type() | |
| ); | |
| return result; | |
| } | |
| /** | /** |
| load MAIN class, execute @main. | load MAIN class, execute @main. |
| MAIN class consists of all the auto.p files we'd manage to find | MAIN class consists of all the auto.p files we'd manage to find |
| Line 237 void Request::configure_admin(VStateless | Line 283 void Request::configure_admin(VStateless |
| */ | */ |
| void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) { | void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) { |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measures | //measures |
| struct timeval mt[10]; | struct timeval mt[10]; |
| Line 245 struct timeval mt[10]; | Line 290 struct timeval mt[10]; |
| gettimeofday(&mt[0],NULL); | gettimeofday(&mt[0],NULL); |
| #endif | #endif |
| try { | try { |
| // filling cookies | |
| cookie.fill_fields(request_info); | |
| // filling mail received | |
| mail.fill_received(*this); | |
| // loading config | // loading config |
| if(config_filespec) { | if(config_filespec) { |
| const String& filespec=*new String(config_filespec); | const String& filespec=*new String(config_filespec); |
| Line 267 gettimeofday(&mt[0],NULL); | Line 318 gettimeofday(&mt[0],NULL); |
| --after; | --after; |
| } | } |
| int step=0; | |
| while(const char* before=strchr(after, '/')) { | while(const char* before=strchr(after, '/')) { |
| String& sfile_spec=*new String; | String& sfile_spec=*new String; |
| if(after!=request_info.path_translated) { | if(after!=request_info.path_translated) { |
| Line 307 gettimeofday(&mt[0],NULL); | Line 357 gettimeofday(&mt[0],NULL); |
| if(Table *table=element->get_table()) | if(Table *table=element->get_table()) |
| mime_types=table; | mime_types=table; |
| // filling form fields | |
| form.fill_fields_and_tables(charsets, request_info); | |
| // filling cookies | |
| cookie.fill_fields(request_info); | |
| // filling mail received | |
| mail.fill_received(*this); | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measure:after compile | //measure:after compile |
| gettimeofday(&mt[1],NULL); | gettimeofday(&mt[1],NULL); |
| Line 332 gettimeofday(&mt[1],NULL); | Line 373 gettimeofday(&mt[1],NULL); |
| gettimeofday(&mt[2],NULL); | gettimeofday(&mt[2],NULL); |
| #endif | #endif |
| VString& body_vstring_before_post_process=*new VString(*body_string); | // extract response body |
| VString* body_vstring_after_post_process=&body_vstring_before_post_process; | Value* body_value=response.fields().get(download_name); // $response:download? |
| bool as_attachment=body_value!=0; | |
| if(!body_value) | |
| body_value=response.fields().get(body_name); // $response:body | |
| if(!body_value) | |
| body_value=new VString(*body_string); // just result of ^main[] | |
| // @postprocess | // @postprocess |
| if(Value* value=main_class.get_element(post_process_method_name, main_class, false)) | if(Value* value=main_class.get_element(post_process_method_name, main_class, false)) |
| if(Junction* junction=value->get_junction()) | if(Junction* junction=value->get_junction()) |
| Line 343 gettimeofday(&mt[2],NULL); | Line 390 gettimeofday(&mt[2],NULL); |
| VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/); | VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/); |
| frame.set_self(main_class); | frame.set_self(main_class); |
| frame.store_param(body_vstring_before_post_process); | frame.store_param(*body_value); |
| body_vstring_after_post_process= | body_value=&execute_method(frame, *method).as_value(); |
| new VString(execute_method(frame, *method)); | |
| } | } |
| VFile* body_file=body_vstring_after_post_process->as_vfile( | VFile* body_file=body_value->as_vfile( |
| String::L_UNSPECIFIED, &charsets); | String::L_UNSPECIFIED, &charsets); |
| // extract response body | |
| Value* body_value=response.fields().get(download_name); | |
| bool as_attachment=body_value!=0; | |
| if(!body_value) | |
| body_value=response.fields().get(body_name); | |
| if(body_value) // there is some $response:body | |
| body_file=body_value->as_vfile(String::L_UNSPECIFIED, &charsets); | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measure:after postprocess | //measure:after postprocess |
| gettimeofday(&mt[3],NULL); | gettimeofday(&mt[3],NULL); |
| Line 387 t[9]-t[3] | Line 424 t[9]-t[3] |
| ); | ); |
| #endif | #endif |
| } catch(const Exception& e) { // request handling problem | } catch(const Exception& e) { // request handling problem |
| try { | |
| // we're returning not result, but error explanation | // we're returning not result, but error explanation |
| // try { | |
| #define PA_URI_FORMAT "%s: " | |
| #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): " | |
| #define PA_SOURCE_FORMAT "'%s' " | |
| #define PA_COMMENT_TYPE_FORMAT "%s [%s]" | |
| // log the beast | |
| Request::Exception_details details=get_details(e); | |
| if(details.problem_source) { // do we know the guy? | |
| if(details.trace) { // do whe know where he came from? | |
| Operation::Origin origin=details.trace.origin(); | |
| SAPI::log(sapi_info, | |
| PA_URI_FORMAT | |
| PA_ORIGIN_FILE_POS_FORMAT | |
| PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col, | |
| details.problem_source->cstr(), | |
| e.comment(), e.type() | |
| ); | |
| } else | |
| SAPI::log(sapi_info, | |
| PA_URI_FORMAT | |
| PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| details.problem_source->cstr(), | |
| e.comment(), e.type() | |
| ); | |
| } else | |
| SAPI::log(sapi_info, | |
| PA_URI_FORMAT | |
| PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| e.comment(), e.type() | |
| ); | |
| // reset language to default | Request::Exception_details details=get_details(e); |
| flang=fdefault_lang; | const char* exception_cstr=get_exception_cstr(e, details); |
| // log the beast | |
| // reset response | SAPI::log(sapi_info, "%s", exception_cstr); |
| response.fields().clear(); | |
| // reset language to default | |
| // this is what we'd return in $response:body | flang=fdefault_lang; |
| const String* body_string=0; | |
| // reset response | |
| // maybe we'd be lucky enough as to report an error | response.fields().clear(); |
| // in a gracefull way... | |
| if(Value* value=main_class.get_element( | // this is what we'd return in $response:body |
| *new String(UNHANDLED_EXCEPTION_METHOD_NAME), | const String* body_string=0; |
| main_class, | |
| false)) { | // maybe we'd be lucky enough as to report an error |
| if(Junction* junction=value->get_junction()) { | // in a gracefull way... |
| if(const Method *method=junction->method) { | if(Value* value=main_class.get_element( |
| *new String(UNHANDLED_EXCEPTION_METHOD_NAME), | |
| main_class, | |
| false)) { | |
| if(Junction* junction=value->get_junction()) { | |
| if(const Method *method=junction->method) { | |
| // preparing to pass parameters to | // preparing to pass parameters to |
| // @unhandled_exception[exception;stack] | // @unhandled_exception[exception;stack] |
| VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/); | VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/); |
| Line 456 Table::columns_type stack_trace_columns( | Line 464 Table::columns_type stack_trace_columns( |
| *stack_trace_columns+=new String("colno"); | *stack_trace_columns+=new String("colno"); |
| Table& stack_trace=*new Table(stack_trace_columns); | Table& stack_trace=*new Table(stack_trace_columns); |
| if(!exception_trace.is_empty()/*signed!*/) | if(!exception_trace.is_empty()/*signed!*/) |
| for(size_t i=exception_trace.bottom_index(); i<exception_trace.top(); i++) { | for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) { |
| Trace trace=exception_trace.get(i); | Trace trace=exception_trace.get(i); |
| Table::element_type row(new ArrayString); | Table::element_type row(new ArrayString); |
| *row+=trace.name(); // name column | *row+=trace.name(); // name column |
| Operation::Origin origin=trace.origin(); | Operation::Origin origin=trace.origin(); |
| if(origin.file_no) { | if(origin.file_no) { |
| *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column | *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column |
| *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column | *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column |
| *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column | *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column |
| } | |
| stack_trace+=row; | |
| } | } |
| stack_trace+=row; | |
| } | |
| frame.store_param(*new VTable(&stack_trace)); | frame.store_param(*new VTable(&stack_trace)); |
| // future $response:body= | // future $response:body= |
| // execute ^unhandled_exception[exception;stack] | // execute ^unhandled_exception[exception;stack] |
| body_string=&execute_method(frame, *method); | body_string=&execute_method(frame, *method).as_string(); |
| } | |
| } | } |
| } | } |
| } | |
| if(!body_string) { // couldn't report an error beautifully? | |
| // doing that ugly | if(!body_string) { // couldn't report an error beautifully? |
| // doing that ugly | |
| // future $response:content-type | |
| response.fields().put(content_type_name, | |
| new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))); | |
| // future $response:body | |
| body_string=new String(exception_cstr); | |
| } | |
| // make up result: $origin $source $comment $type $code | VString body_vstring(*body_string); |
| char *buf=new(PointerFreeGC) char[MAX_STRING]; | VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets); |
| size_t printed=0; | |
| if(const String* problem_source=e.problem_source()) { | |
| /*const String_fragment::Origin& origin=problem_source->origin(); | |
| if(origin.file) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, | |
| PA_ORIGIN_FILE_POS_FORMAT, | |
| origin.file, 1+origin.line | |
| ); | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | |
| problem_source->cstr().get()); | |
| */ | |
| } | |
| if(const char* comment=e.comment(true)) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment); | |
| if(const char* type=e.type(true)) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type); | |
| // future $response:content-type | |
| response.fields().put(content_type_name, | |
| new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))); | |
| // future $response:body | |
| body_string=new String(buf); | |
| } | |
| VString body_vstring(*body_string); | // ERROR. write it out |
| VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets); | output_result(body_file, header_only, false); |
| } catch(const Exception& e) { | |
| Request::Exception_details details=get_details(e); | |
| const char* exception_cstr=get_exception_cstr(e, details); | |
| // ERROR. write it out | throw Exception(0, |
| output_result(body_file, header_only, false); | 0, |
| // } catch(const Exception& ) { | "in %s", |
| // rethrow; | exception_cstr); |
| // } | } |
| } | } |
| } | } |
| size_t Request::register_file(String::Body file_spec) { | uint Request::register_file(String::Body file_spec) { |
| file_list+=file_spec; | file_list+=file_spec; |
| return file_list.count()-1; | return file_list.count()-1; |
| } | } |
| Line 547 void Request::use_file(VStateless_class& | Line 542 void Request::use_file(VStateless_class& |
| int size=table->count(); | int size=table->count(); |
| for(int i=size; i--; ) { | for(int i=size; i--; ) { |
| const String& path=*(*table->get(i))[0]; | const String& path=*(*table->get(i))[0]; |
| if(file_spec=file_readable(absolute(path), file_name)) | if((file_spec=file_readable(absolute(path), file_name))) |
| break; // found along class_path | break; // found along class_path |
| } | } |
| } else | } else |
| Line 576 void Request::use_file(VStateless_class& | Line 571 void Request::use_file(VStateless_class& |
| void Request::use_buf(VStateless_class& aclass, | void Request::use_buf(VStateless_class& aclass, |
| const char* source, const String* main_alias, | const char* source, const String* main_alias, |
| uint file_no) { | uint file_no, |
| int line_no_offset) { | |
| // temporary zero @conf so to maybe-replace it in compiled code | // temporary zero @conf so to maybe-replace it in compiled code |
| Temp_method temp_method_conf(aclass, conf_method_name, 0); | Temp_method temp_method_conf(aclass, conf_method_name, 0); |
| // temporary zero @auto so to maybe-replace it in compiled code | // temporary zero @auto so to maybe-replace it in compiled code |
| Temp_method temp_method_auto(aclass, auto_method_name, 0); | Temp_method temp_method_auto(aclass, auto_method_name, 0); |
| // compile loaded class | // compile loaded class |
| VStateless_class& cclass=compile(&aclass, source, main_alias, file_no); | VStateless_class& cclass=compile(&aclass, source, main_alias, file_no, line_no_offset); |
| // locate and execute possible @conf[] static | // locate and execute possible @conf[] static |
| VString* vfilespec= | VString* vfilespec= |
| Line 627 const String& Request::absolute(const St | Line 623 const String& Request::absolute(const St |
| return relative(request_info.path_translated, relative_name); | return relative(request_info.path_translated, relative_name); |
| } | } |
| #ifndef DOXYGEN | |
| class Add_header_attribute_info | |
| { | |
| public: | |
| Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {} | |
| Request& r; | |
| bool add_last_modified; | |
| }; | |
| #endif | |
| static void add_header_attribute( | static void add_header_attribute( |
| HashStringValue::key_type aattribute, | HashStringValue::key_type aattribute, |
| HashStringValue::value_type ameaning, | HashStringValue::value_type ameaning, |
| Request *r) { | Add_header_attribute_info* info) { |
| if(aattribute==BODY_NAME | if(aattribute==BODY_NAME |
| || aattribute==DOWNLOAD_NAME | || aattribute==DOWNLOAD_NAME |
| || aattribute==CHARSET_NAME) | || aattribute==CHARSET_NAME) |
| return; | return; |
| SAPI::add_header_attribute(r->sapi_info, | const char* a=aattribute.cstr(); |
| aattribute.cstr(), | SAPI::add_header_attribute(info->r.sapi_info, |
| a, | |
| attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false). | attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false). |
| cstr(String::L_UNSPECIFIED)); | cstr(String::L_UNSPECIFIED)); |
| if(strcasecmp(a, "last-modified")==0) | |
| info->add_last_modified = false; | |
| } | |
| static void output_sole_piece(Request& r, | |
| bool header_only, | |
| VFile& body_file, | |
| Value* body_file_content_type) { | |
| // transcode text body when "text/*" or simple result | |
| String::C output(body_file.value_ptr(), body_file.value_size()); | |
| if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0) | |
| output=Charset::transcode(output, | |
| r.charsets.source(), | |
| r.charsets.client()); | |
| // prepare header: content-length | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length); | |
| SAPI::add_header_attribute(r.sapi_info, "content-length", content_length_cstr); | |
| // send header | |
| SAPI::send_header(r.sapi_info); | |
| // send body | |
| if(!header_only) | |
| SAPI::send_body(r.sapi_info, output.str, output.length); | |
| } | } |
| #ifndef DOXYGEN | |
| struct Range | |
| { | |
| size_t start; | |
| size_t end; | |
| }; | |
| #endif | |
| static void parse_range(const String* s, Array<Range> &ar) | |
| { | |
| const char *p = s->cstr(); | |
| if(s->starts_with("bytes=")) | |
| p += 6; | |
| Range r; | |
| while(*p){ | |
| r.start = (size_t)-1; | |
| r.end = (size_t)-1; | |
| if(*p >= '0' && *p <= '9'){ | |
| r.start = atol(p); | |
| while(*p>='0' && *p<='9') ++p; | |
| } | |
| if(*p++ != '-') break; | |
| if(*p >= '0' && *p <= '9'){ | |
| r.end = atol(p); | |
| while(*p>='0' && *p<='9') ++p; | |
| } | |
| if(*p == ',') ++p; | |
| ar += r; | |
| } | |
| } | |
| static void output_pieces(Request& r, | |
| bool header_only, | |
| const String& filename, | |
| size_t content_length, | |
| Value& date, | |
| bool add_last_modified) | |
| { | |
| SAPI::add_header_attribute(r.sapi_info, "Accept-Ranges", "bytes"); | |
| const size_t BUFSIZE = 10*0x400; | |
| char buf[BUFSIZE]; | |
| const char *range = SAPI::get_env(r.sapi_info, "HTTP_RANGE"); | |
| size_t offset=0; | |
| size_t part_length=content_length; | |
| if(range){ | |
| Array<Range> ar; | |
| parse_range(new String(range), ar); | |
| size_t count = ar.count(); | |
| if(count == 1){ | |
| Range &rg = ar.get_ref(0); | |
| if(rg.start == (size_t)-1 && rg.end == (size_t)-1){ | |
| SAPI::add_header_attribute(r.sapi_info, "status", "416 Requested Range Not Satisfiable"); | |
| return; | |
| } | |
| if(rg.start == (size_t)-1 && rg.end != (size_t)-1){ | |
| rg.start = content_length - rg.end; | |
| rg.end = content_length; | |
| offset += rg.start; | |
| part_length = rg.end-rg.start; | |
| }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){ | |
| rg.end = content_length-1; | |
| offset += rg.start; | |
| part_length -= rg.start; | |
| } | |
| if(part_length == 0){ | |
| SAPI::add_header_attribute(r.sapi_info, "status", "204 No Content"); | |
| return; | |
| } | |
| SAPI::add_header_attribute(r.sapi_info, "status", "206 Partial Content"); | |
| snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length); | |
| SAPI::add_header_attribute(r.sapi_info, "Content-Range", buf); | |
| }else if(count != 0){ | |
| SAPI::add_header_attribute(r.sapi_info, "status", "501 Not Implemented"); | |
| return; | |
| } | |
| } | |
| snprintf(buf, BUFSIZE, "%u", part_length); | |
| SAPI::add_header_attribute(r.sapi_info, "Content-Length", buf); | |
| if(add_last_modified){ | |
| const String &s = attributed_meaning_to_string(date, String::L_AS_IS, true); | |
| SAPI::add_header_attribute(r.sapi_info, "Last-Modified", s.cstr()); | |
| } | |
| SAPI::send_header(r.sapi_info); | |
| const String& filespec=r.absolute(filename); | |
| size_t sent = 0; | |
| if(!header_only){ | |
| size_t to_read = 0; | |
| size_t size = 0; | |
| do{ | |
| to_read = part_length<BUFSIZE?part_length:BUFSIZE; | |
| File_read_result read_result=file_read(r.charsets, filespec, | |
| false /*as text*/, 0/*params*/, true/*fail on problem*/, | |
| buf, offset, to_read); | |
| to_read=read_result.length; | |
| if(to_read == 0) | |
| break; | |
| offset += to_read; | |
| size = SAPI::send_body(r.sapi_info, read_result.str, to_read); | |
| sent += size; | |
| if(size != to_read) | |
| break; | |
| part_length -= to_read; | |
| }while(part_length); | |
| } | |
| } | |
| void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) { | void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) { |
| // header: cookies | // header: cookies |
| cookie.output_result(sapi_info); | cookie.output_result(sapi_info); |
| Value* body_file_content_type; | // may be specified |
| // set content-type | Value* body_file_content_type=body_file->fields().get(content_type_name); |
| if(body_file_content_type=body_file->fields().get(content_type_name)) { | |
| // body file content type | |
| response.fields().put(content_type_name, body_file_content_type); | |
| } else { | |
| // default content type | |
| response.fields().put_dont_replace(content_type_name, | |
| new VString(*new String(DEFAULT_CONTENT_TYPE))); | |
| } | |
| // content-disposition | // content-disposition |
| if(Value* vfile_name=body_file->fields().get(name_name)) | Value* vfile_name=body_file->fields().get(name_name); |
| if(*vfile_name->get_string()!=NONAME_DAT) { | if(!vfile_name) { |
| vfile_name=body_file->fields().get(response_body_file_name); | |
| const String& sfile_name=vfile_name->as_string(); | |
| char* name_cstr=sfile_name.cstrm(); | |
| if(char *after_slash=rsplit(name_cstr, '\\')) | |
| name_cstr=after_slash; | |
| if(char *after_slash=rsplit(name_cstr, '/')) | |
| name_cstr=after_slash; | |
| vfile_name=new VString(*new String(name_cstr)); | |
| } | |
| if(vfile_name) { | |
| const String& sfile_name=vfile_name->as_string(); | |
| if(sfile_name!=NONAME_DAT) { | |
| VHash& hash=*new VHash(); | VHash& hash=*new VHash(); |
| HashStringValue &h=hash.hash(); | HashStringValue &h=hash.hash(); |
| if(as_attachment) | if(as_attachment) |
| h.put(value_name, new VString(content_disposition_value)); | h.put(value_name, new VString(content_disposition_value)); |
| h.put(content_disposition_filename_name, vfile_name); | h.put(content_disposition_filename_name, vfile_name); |
| response.fields().put(content_disposition_name, &hash); | response.fields().put(content_disposition_name, &hash); |
| if(!body_file_content_type) | |
| body_file_content_type=new VString(mime_type_of(sfile_name.cstr())); | |
| } | } |
| } | |
| // set content-type | |
| if(body_file_content_type) { | |
| // body file content type | |
| response.fields().put(content_type_name, body_file_content_type); | |
| } else { | |
| // default content type | |
| response.fields().put_dont_replace(content_type_name, | |
| new VString(*new String(DEFAULT_CONTENT_TYPE))); | |
| } | |
| // prepare header: $response:fields without :body | // prepare header: $response:fields without :body |
| response.fields().for_each(add_header_attribute, this); | Add_header_attribute_info info(*this); |
| response.fields().for_each(add_header_attribute, &info); | |
| // transcode text body when "text/*" or simple result | |
| if(body_file_content_type) | if(body_file_content_type) |
| if(HashStringValue *hash=body_file_content_type->get_hash()) | if(HashStringValue *hash=body_file_content_type->get_hash()) |
| body_file_content_type=hash->get(value_name); | body_file_content_type=hash->get(value_name); |
| String::C output(body_file->value_ptr(), body_file->value_size()); | |
| if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0) | |
| output=Charset::transcode(output, | |
| charsets.source(), | |
| charsets.client()); | |
| // prepare header: content-length | if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) { |
| char content_length_cstr[MAX_NUMBER]; | const String& sresponse_body_file=vresponse_body_file->as_string(); |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length); | size_t content_length=0; |
| SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr); | time_t atime=0, mtime=0, ctime=0; |
| file_stat(absolute(sresponse_body_file), | |
| content_length, | |
| atime, mtime, ctime); | |
| VDate* vdate=0; | |
| if(Value* v=body_file->fields().get("mdate")) { | |
| if(Value* vdatep=v->as(VDATE_TYPE, false)) | |
| vdate=static_cast<VDate*>(vdatep); | |
| else | |
| throw Exception("parser.runtime", 0, "mdate must be a date"); | |
| } | |
| if(!vdate) | |
| vdate=new VDate(mtime); | |
| // send header | output_pieces(*this, header_only, |
| SAPI::send_header(sapi_info); | sresponse_body_file, |
| content_length, | |
| // send body | *vdate, |
| if(!header_only) | info.add_last_modified); |
| SAPI::send_body(sapi_info, output.str, output.length); | } else { |
| output_sole_piece(*this, header_only, | |
| *body_file, body_file_content_type); | |
| } | |
| } | } |
| const String& Request::mime_type_of(const char* user_file_name_cstr) { | const String& Request::mime_type_of(const char* user_file_name_cstr) { |