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| version 1.86, 2001/03/29 08:28:04 | version 1.245.2.21, 2003/02/17 10:44:55 |
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| 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 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| #include "pa_config_includes.h" | static const char* IDENT_REQUEST_C="$Date$"; |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_wwrapper.h" | #include "pa_wwrapper.h" |
| #include "pa_vclass.h" | #include "pa_vclass.h" |
| #include "_root.h" | |
| #include "_table.h" | |
| #include "_file.h" | |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "pa_vmframe.h" | #include "pa_vmethod_frame.h" |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_vfile.h" | |
| #include "pa_dictionary.h" | |
| #include "pa_charset.h" | |
| #include "pa_charsets.h" | |
| #include "pa_cache_managers.h" | |
| // consts | |
| /// $limits.post_max_size default 10M | const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception"; |
| const size_t MAX_POST_SIZE_DEFAULT=10*0x400*400; | |
| /// 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"; |
| /// content type of response when no $MAIN:defaults.content-type defined | /// content type of response when no $MAIN:defaults.content-type defined |
| const char *DEFAULT_CONTENT_TYPE="text/html"; | const char* DEFAULT_CONTENT_TYPE="text/html"; |
| const char* ORIGINS_CONTENT_TYPE="text/plain"; | |
| // defines for globals | |
| #define MAIN_METHOD_NAME "main" | |
| #define AUTO_METHOD_NAME "auto" | |
| #define BODY_NAME "body" | |
| // globals | |
| StringPtr main_method_name(new String(MAIN_METHOD_NAME)); | |
| StringPtr auto_method_name(new String(AUTO_METHOD_NAME)); | |
| StringPtr content_disposition_name(new String(CONTENT_DISPOSITION_NAME)); | |
| StringPtr content_disposition_value(new String(CONTENT_DISPOSITION_VALUE)); | |
| StringPtr content_disposition_filename_name(new String(CONTENT_DISPOSITION_FILENAME_NAME)); | |
| StringPtr body_name(new String(BODY_NAME)); | |
| // defines for statics | |
| #define CHARSETS_NAME "CHARSETS" | |
| #define MIME_TYPES_NAME "MIME-TYPES" | |
| #define ORIGINS_MODE_NAME "ORIGINS" | |
| #define CONF_METHOD_NAME "conf" | |
| #define POST_PROCESS_METHOD_NAME "postprocess" | |
| #define DOWNLOAD_NAME "download" | |
| #define CLASS_PATH_NAME "CLASS_PATH" | |
| // statics | |
| static StringPtr charsets_name(new String(CHARSETS_NAME)); | |
| static StringPtr main_class_name(new String(MAIN_CLASS_NAME)); | |
| static StringPtr mime_types_name(new String(MIME_TYPES_NAME)); | |
| static StringPtr origins_mode_name(new String(ORIGINS_MODE_NAME)); | |
| static StringPtr conf_method_name(new String(CONF_METHOD_NAME)); | |
| static StringPtr post_process_method_name(new String(POST_PROCESS_METHOD_NAME)); | |
| static StringPtr download_name(new String(DOWNLOAD_NAME)); | |
| static StringPtr class_path_name(new String(CLASS_PATH_NAME)); | |
| // defines | |
| // op.C | |
| VStateless_classPtr VClassMAIN_create(); | |
| // op.C | |
| VHashPtr exception2vhash(Pool& pool, const Exception& e); | |
| // | // |
| Request::Request(Pool& apool, | Request::Request(Pool& apool, SAPI_Info& asapi_info, Request_info& arequest_info, |
| Info& ainfo, | uchar adefault_lang, bool status_allowed): |
| String::Untaint_lang adefault_lang) : Pooled(apool), | // private |
| stack(apool), | fpool(apool), |
| ROOT(apool), | anti_endless_execute_recoursion(0), |
| env(apool), | |
| form(apool), | // public |
| request(apool, *this), | method_frame(0), |
| response(apool), | rcontext(0), |
| cookie(apool), | wcontext(0), |
| fclasses(apool), | flang(adefault_lang), |
| fdefault_lang(adefault_lang), flang(adefault_lang), | fconnection(0), |
| info(ainfo), | finterrupted(false), |
| used_files(apool), | |
| default_content_type(0), | // public |
| mime_types(0), | #ifdef RESOURCES_DEBUG |
| html_typo_table(0) | sql_connect_time(0), |
| sql_request_time(0), | |
| #endif | |
| // public | |
| sapi_info(asapi_info), | |
| request_info(arequest_info), | |
| charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets | |
| main_class(VClassMAIN_create()), | |
| form(new VForm), | |
| mail(new VMail), | |
| response(new VResponse(fpool, arequest_info, charsets)), | |
| cookie(new VCookie), | |
| // private defaults | |
| fdefault_lang(adefault_lang), | |
| // private mime types | |
| mime_types(0) | |
| { | { |
| // root superclass, | // maybe expire old caches |
| // parent of all classes, | cache_managers.maybe_expire(); |
| // operators holder | |
| initialize_root_class(pool(), ROOT); | /// directly used |
| classes().put(*root_class_name, &ROOT); | // MAIN class, operators |
| // table class | classes().put(main_class->name(), main_class); |
| classes().put(*table_class_name, table_class); | // classes: |
| // file class | // table, file, random, mail, image, ... |
| classes().put(*file_class_name, file_class); | methoded_array.register_directly_used(*this); |
| /// methodless | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(StringPtr(new String(ENV_CLASS_NAME)), |
| // form class | ValuePtr(new VEnv(asapi_info))); |
| classes().put(*form_class_name, &form); | // status class |
| if(status_allowed) | |
| classes().put(StringPtr(new String(STATUS_CLASS_NAME)), | |
| ValuePtr(new VStatus(pool()))); | |
| // request class | // request class |
| classes().put(*request_class_name, &request); | classes().put(StringPtr(new String(REQUEST_CLASS_NAME)), |
| // response class | ValuePtr(new VRequest(arequest_info, charsets))); |
| classes().put(*response_class_name, &response); | |
| // cookie class | // cookie class |
| classes().put(*cookie_class_name, &cookie); | classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie); |
| /// methoded | |
| // response class | |
| classes().put(response->get_class()->name(), response); | |
| /// bases used | |
| // form class | |
| classes().put(form->get_class()->base_class()->name(), form); | |
| // mail class | |
| classes().put(mail->get_class()->base_class()->name(), mail); | |
| // math class | |
| { | |
| ValuePtr math(new VMail); | |
| classes().put(math->get_class()->base_class()->name(), math); | |
| } | |
| } | } |
| static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning, | Request::~Request() { |
| void *info) { | #ifdef XML |
| String *attribute_to_exclude=static_cast<String *>(info); | // if for some strange reason xml generic errors failed to be reported, free them up |
| if(aattribute==*attribute_to_exclude) | if(const char* xml_generic_errors=xmlGenericErrors()) { |
| return; | SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors); |
| free((void *)xml_generic_errors); | |
| } | |
| #endif | |
| } | |
| ValuePtr Request::get_self() { return method_frame?method_frame->get_self():ValuePtr(0); } | |
| static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) { | |
| ::charsets.load_charset(akey, avalue->as_string(0)); | |
| } | |
| void Request::configure_admin(VStateless_class& conf_class, StringPtr source) { | |
| if(configure_admin_done) | |
| throw Exception("parser.runtime", | |
| source, | |
| "parser already configured"); | |
| configure_admin_done=true; | |
| // charsets must only be specified in method_frame config | |
| // so that users would not interfere | |
| Value& lmeaning=*static_cast<Value *>(ameaning); | /* $MAIN:CHARSETS[ |
| Pool& pool=lmeaning.pool(); | $.charsetname1[/full/path/to/charset/file.cfg] |
| ... | |
| ] | |
| */ | |
| if(ValuePtr vcharsets=conf_class.get_element(charsets_name, conf_class, false)) { | |
| if(!vcharsets->is_string()) | |
| if(HashStringValue* charsets=vcharsets->get_hash(StringPtr(0))) | |
| charsets->for_each(load_charset, 0); | |
| else | |
| throw Exception("parser.runtime", | |
| Exception::undefined_source, | |
| "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash"); | |
| } | |
| String attribute(pool); | // configure method_frame options |
| SAPI::add_header_attribute(pool, | // until someone with less privileges have overriden them |
| attribute.append(aattribute, String::UL_HEADER, true).cstr(), | methoded_array.configure_admin(*this); |
| attributed_meaning_to_string(lmeaning).cstr()); | |
| } | } |
| /** | /** |
| Line 95 static void add_header_attribute(const H | Line 206 static void add_header_attribute(const H |
| the file user requested us to process | the file user requested us to process |
| all located classes become children of one another, | all located classes become children of one another, |
| composing class we name 'MAIN' | composing class we name 'MAIN' |
| @test log stack trace | |
| */ | */ |
| void Request::core(const char *root_auto_path, bool root_auto_fail, | void Request::core( |
| const char *site_auto_path, bool site_auto_fail, | const char* config_filespec, bool config_fail_on_read_problem, |
| bool header_only) { | bool header_only) { |
| VStateless_class *main_class=0; | |
| bool need_rethrow=false; Exception rethrow_me; | #ifdef RESOURCES_DEBUG |
| TRY { | //measures |
| struct timeval mt[10]; | |
| //measure:before all | |
| gettimeofday(&mt[0],NULL); | |
| #endif | |
| try { | |
| char *auto_filespec=(char *)malloc(MAX_STRING); | char *auto_filespec=(char *)malloc(MAX_STRING); |
| // loading root auto.p | // loading config |
| if(root_auto_path) { | if(config_filespec) { |
| String& filespec=*NEW String(pool()); | StringPtr filespec(new String); |
| filespec.APPEND(root_auto_path, 0, "root_auto", 0); | filespec->APPEND_CLEAN(config_filespec, 0, "config", 0); |
| filespec.APPEND_CONST("/" AUTO_FILE_NAME); | use_file(*main_class, |
| main_class=use_file( | filespec, true/* ignore class_path */, |
| filespec, root_auto_fail, | config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */); |
| main_class_name, main_class); | |
| } | |
| // $MAIN:LIMITS hash used here, | |
| // until someone with less privileges have overriden them | |
| { | |
| Value *limits=main_class?main_class->get_element(*limits_name):0; | |
| // $limits.post_max_size default 10M | |
| Value *element=limits?limits->get_element(*post_max_size_name):0; | |
| size_t value=element?(size_t)element->as_double():0; | |
| size_t post_max_size=value?value:MAX_POST_SIZE_DEFAULT; | |
| form.fill_fields(*this, post_max_size); | |
| } | |
| // filling cookies | |
| cookie.fill_fields(*this); | |
| // loading site auto.p | |
| if(site_auto_path) { | |
| String& filespec=*NEW String(pool()); | |
| filespec.APPEND(site_auto_path, 0, "site_auto", 0); | |
| filespec.APPEND_CONST("/" AUTO_FILE_NAME); | |
| main_class=use_file( | |
| filespec, site_auto_fail, | |
| main_class_name, main_class); | |
| } | } |
| // loading auto.p files from document_root/.. | // loading auto.p files from document_root/.. |
| // to the one beside requested file. | // to the one beside requested file. |
| // all assigned bases from upper dir | // all assigned bases from upper dir |
| { | { |
| /* /document/root */ | const char* after=request_info.path_translated; |
| char *file_spec= | size_t drlen=strlen(request_info.document_root); |
| (char *)malloc(strlen(info.path_translated)+strlen(AUTO_FILE_NAME)+1); | if(memcmp(after, request_info.document_root, drlen)==0) { |
| size_t document_root_size=strlen(info.document_root); | after+=drlen; |
| if(info.document_root[document_root_size-1]=='/') | if(after[-1]=='/') |
| document_root_size--; | --after; |
| memcpy(file_spec, info.document_root, document_root_size); | } |
| /* /requested/file.html */ | int step=0; |
| char *branches=(char *)malloc(strlen(info.path_translated)+1); | while(const char* before=strchr(after, '/')) { |
| strcpy(branches, info.path_translated+document_root_size); | StringPtr sfile_spec(new String); |
| char *next=branches; | if(after!=request_info.path_translated) { |
| char *append_here=file_spec+document_root_size; | sfile_spec->APPEND_CLEAN( |
| request_info.path_translated, before-request_info.path_translated, | |
| size_t slash_auto_p_size=strlen("/" AUTO_FILE_NAME); | "path-translated-scanned", step++); |
| while(true) { | *sfile_spec << "/" AUTO_FILE_NAME; |
| char *step=lsplit(&next, '/'); | |
| if(next) { // not 'file.html' part | use_file(*main_class, |
| size_t step_size=strlen(step); | sfile_spec, true/* ignore class_path */, |
| memcpy(append_here, step, step_size); | true/* fail on read problem */, false/* but ignore absence, sole user */); |
| append_here+=step_size; | } |
| memcpy(append_here, "/" AUTO_FILE_NAME, slash_auto_p_size+1); | after=before+1; |
| append_here++/* / */; | |
| String& sfile_spec=*NEW String(pool()); | |
| sfile_spec.APPEND(file_spec, 0, "scanned", 0); | |
| main_class=use_file(sfile_spec, false/*ignore read problem*/, | |
| main_class_name, main_class); | |
| } else | |
| break; | |
| } | } |
| } | } |
| // compiling requested file | // compile requested file |
| String& spath_translated=*NEW String(pool()); | StringPtr spath_translated(new String); |
| spath_translated.APPEND(info.path_translated, 0, "user-request", 0); | spath_translated->APPEND_TAINTED(request_info.path_translated, 0, "user-request", 0); |
| main_class=use_file(spath_translated, true/*don't ignore read problem*/, | use_file(*main_class, |
| main_class_name, main_class); | spath_translated, true/* ignore class_path */, |
| true/* fail on read problem*/, true/* fail on abscence */); | |
| // $MAIN:DEFAULTS | |
| Value *defaults=main_class->get_element(*defaults_name); | // configure method_frame options if not configured yet |
| // value must be allocated on request's pool for that pool used on | if(!configure_admin_done) |
| // meaning constructing @see attributed_meaning_to_string | configure_admin(*main_class, StringPtr(0)); |
| default_content_type=defaults?defaults->get_element(*content_type_name):0; | |
| if(Value *element=main_class->get_element(*html_typo_name)) | // configure not-method_frame=user options |
| html_typo_table=element->get_table(); | methoded_array.configure_user(*this); |
| // $MAIN:MIME-TYPES | // $MAIN:MIME-TYPES |
| if(Value *element=main_class->get_element(*mime_types_name)) | if(ValuePtr element=main_class->get_element(mime_types_name, *main_class, false)) |
| 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(pool(), charsets, request_info); | |
| // filling cookies | |
| cookie->fill_fields(pool(), request_info); | |
| // filling mail received | |
| mail->fill_received(pool(), request_info); | |
| #ifdef RESOURCES_DEBUG | |
| //measure:after compile | |
| gettimeofday(&mt[1],NULL); | |
| #endif | |
| // execute @main[] | // execute @main[] |
| const String *body_string=execute_method(*main_class, *main_method_name); | StringPtr body_string=execute_virtual_method(main_class, main_method_name); |
| if(!body_string) | if(!body_string) |
| THROW(0,0, | throw Exception("parser.runtime", |
| 0, | Exception::undefined_source, |
| "'"MAIN_METHOD_NAME"' method not found"); | "'"MAIN_METHOD_NAME"' method not found"); |
| #ifdef RESOURCES_DEBUG | |
| //measure:after main | |
| gettimeofday(&mt[2],NULL); | |
| #endif | |
| VStringPtr body_vstring_before_post_process(new VString(body_string)); | |
| VStringPtr body_vstring_after_post_process(body_vstring_before_post_process); | |
| // @postprocess | |
| if(ValuePtr value=main_class->get_element(post_process_method_name, *main_class, false)) | |
| if(JunctionPtr junction=value->get_junction()) | |
| if(const Method *method=junction->method) { | |
| // preparing to pass parameters to | |
| // @postprocess[data] | |
| VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/); | |
| frame.set_self(main_class); | |
| frame.store_param(body_vstring_before_post_process); | |
| body_vstring_after_post_process= | |
| VStringPtr(new VString(execute_method(frame, *method))); | |
| } | |
| bool lorigins_mode=origins_mode(); | |
| // post-process | VFilePtr body_file=body_vstring_after_post_process->as_vfile(pool(), |
| // todo | String::UL_UNSPECIFIED, lorigins_mode); |
| // extract response body | // extract response body |
| Value *body_value=static_cast<Value *>( | ValuePtr body_value=response->fields().get(download_name); |
| response.fields().get(*body_name)); | bool as_attachment=body_value!=0; |
| if(body_value) // there is some $request.body | if(!body_value) |
| body_string=&body_value->as_string();// TODO: IMAGE&FILE | body_value=response->fields().get(body_name); |
| if(body_value) // there is some $response:body | |
| body_file=body_value->as_vfile(pool()); | |
| else if(lorigins_mode) | |
| response->fields().put(content_type_name, | |
| ValuePtr(new VString(StringPtr(new String(ORIGINS_CONTENT_TYPE))))); | |
| #ifdef RESOURCES_DEBUG | |
| //measure:after postprocess | |
| gettimeofday(&mt[3],NULL); | |
| #endif | |
| // OK. write out the result | // OK. write out the result |
| output_result(*body_string, header_only); | output_result(body_file, header_only, as_attachment); |
| } | |
| CATCH(e) { // request handling problem | #ifdef RESOURCES_DEBUG |
| //measure:after output_result | |
| gettimeofday(&mt[9],NULL); | |
| t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0; | |
| double t[10]; | |
| for(int i=0;i<10;i++) | |
| t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0; | |
| //measure:log2 compile,main,postprocess,output | |
| SAPI::log(pool(), "rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f", | |
| request_info.uri, | |
| t[1]-t[0], | |
| t[2]-t[1], | |
| t[3]-t[2], | |
| sql_connect_time,sql_request_time, | |
| t[9]-t[3] | |
| ); | |
| #endif | |
| } catch(const Exception& e) { // request handling problem | |
| // we're returning not result, but error explanation | // we're returning not result, but error explanation |
| TRY { | try { |
| // log the beast | // log the beast |
| const String *problem_source=e.problem_source(); | if(StringPtr problem_source=e.problem_source()) |
| if(problem_source) | SAPI::log(sapi_info, |
| SAPI::log(pool(), | "%s: " |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| "%s(%d): " | ORIGIN_FILE_LINE_FORMAT": " |
| #endif | #endif |
| "'%s' %s [%s %s]", | "'%s' %s [%s]", |
| request_info.uri, | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| problem_source->origin().file?problem_source->origin().file:"global", | problem_source->origin().file?problem_source->origin().file:"global", |
| problem_source->origin().line, | problem_source->origin().line, |
| #endif | #endif |
| problem_source->cstr(), | problem_source->cstr().get(), |
| e.comment(), | e.comment(), |
| e.type()?e.type()->cstr():"-", | e.type() |
| e.code()?e.code()->cstr():"-" | |
| ); | ); |
| else | else |
| SAPI::log(pool(), | SAPI::log(sapi_info, |
| "%s [%s %s]", | "%s: " |
| e.comment(), | "%s [%s]", |
| e.type()?e.type()->cstr():"-", | request_info.uri, |
| e.code()?e.code()->cstr():"-" | e.comment(), e.type() |
| ); | ); |
| // reset language to default | // reset language to default |
| flang=fdefault_lang; | flang=fdefault_lang; |
| // reset response | // reset response |
| response.fields().clear(); | response->fields().clear(); |
| // this is what we'd return in $response:body | // this is what we'd return in $response:body |
| const String *body_string=0; | StringPtr body_string(0); |
| // maybe we'd be lucky enough as to report an error | |
| // in a gracefull way... | |
| if(ValuePtr value=main_class->get_element( | |
| StringPtr(new String(UNHANDLED_EXCEPTION_METHOD_NAME)), | |
| *main_class, | |
| false)) { | |
| if(JunctionPtr junction=value->get_junction()) { | |
| if(const Method *method=junction->method) { | |
| // preparing to pass parameters to | |
| // @unhandled_exception[exception;stack] | |
| VMethodFrame frame(pool(), method->name, *junction, 0/*no caller*/); | |
| frame.set_self(main_class); | |
| // $exception | |
| frame.store_param(exception2vhash(pool(), e)); | |
| // $stack[^table::set{name origin}] | |
| Table::columns_type stack_trace_columns; | |
| *stack_trace_columns+=StringPtr(new String("name")); | |
| *stack_trace_columns+=StringPtr(new String("file")); | |
| *stack_trace_columns+=StringPtr(new String("lineno")); | |
| TablePtr stack_trace(new Table(Exception::undefined_source, stack_trace_columns)); | |
| Array_iterator<StringPtr> tracei(exception_trace); | |
| while(tracei.has_next()) { | |
| Table::element_type row; | |
| if(main_class) { // we've managed to end up with some main_class | StringPtr name=tracei.next(); |
| // maybe we'd be lucky enough as to report an error | *row+=name; // name column |
| // in a gracefull way... | |
| if(Value *value=main_class->get_element(*exception_method_name)) | |
| if(Junction *junction=value->get_junction()) | |
| if(const Method *method=junction->method) { | |
| // preparing to pass parameters to | |
| // @exception[origin;source;comment;type;code] | |
| VMethodFrame frame(pool(), *junction); | |
| frame.set_self(*main_class); | |
| const String *problem_source=e.problem_source(); | |
| // origin | |
| String origin_name(pool(), "origin"); | |
| Value *origin_value=0; | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| if(problem_source) { | const String_fragment::Origin& origin=name->origin(); |
| const Origin& origin=problem_source->origin(); | if(origin.file) { |
| if(origin.file) { | *row+=StringPtr(new String(origin.file, 0, true)); // file column |
| char *buf=(char *)malloc(MAX_STRING); | char *buf=(char *)malloc(MAX_NUMBER); |
| snprintf(buf, MAX_STRING, "%s(%d):", | size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line); |
| origin.file, 1+origin.line); | *row+=StringPtr(new String(buf, buf_size, true)); // line column |
| String *origin_file_line=NEW String(pool(), | |
| buf, true); | |
| origin_value=NEW VString(*origin_file_line); | |
| } | |
| } | } |
| #endif | #endif |
| frame.store_param(origin_name, | *stack_trace+=row; |
| origin_value?origin_value:NEW VUnknown(pool())); | |
| // source | |
| String source_name(pool(), "source"); | |
| Value *source_value=0; | |
| if(problem_source) { | |
| String& problem_source_copy=*NEW String(pool()); | |
| problem_source_copy.append(*problem_source, | |
| flang, true); | |
| source_value=NEW VString(problem_source_copy); | |
| } | |
| frame.store_param(source_name, | |
| source_value?source_value:NEW VUnknown(pool())); | |
| // comment | |
| String comment_name(pool(), "comment"); | |
| String *comment_value=NEW String(pool(), | |
| e.comment(), true); | |
| frame.store_param(comment_name, | |
| NEW VString(*comment_value)); | |
| // type | |
| String type_name(pool(), "type"); | |
| Value *type_value; | |
| if(e.type()) { | |
| String& type_copy=*NEW String(pool()); | |
| type_value=NEW VString(type_copy.append(*e.type(), | |
| flang, true)); | |
| } else | |
| type_value=NEW VUnknown(pool()); | |
| frame.store_param(type_name, type_value); | |
| // code | |
| String code_name(pool(), "code"); | |
| Value *code_value; | |
| if(e.code()) { | |
| String& code_copy=*NEW String(pool()); | |
| code_value=NEW VString(code_copy.append(*e.code(), | |
| flang, true)); | |
| } else | |
| code_value=NEW VUnknown(pool()); | |
| frame.store_param(code_name, code_value); | |
| // future $response:body= | |
| // execute ^exception[origin;source;comment;type;code] | |
| body_string=execute_method(frame, *method); | |
| } | } |
| frame.store_param(ValuePtr(new VTable(stack_trace))); | |
| // future $response:body= | |
| // execute ^unhandled_exception[exception;stack] | |
| body_string=execute_method(frame, *method); | |
| } | |
| } | |
| } | } |
| if(!body_string) { // couldn't report an error beautifully? | if(!body_string) { // couldn't report an error beautifully? |
| Line 335 void Request::core(const char *root_auto | Line 454 void Request::core(const char *root_auto |
| // make up result: $origin $source $comment $type $code | // make up result: $origin $source $comment $type $code |
| char *buf=(char *)malloc(MAX_STRING); | char *buf=(char *)malloc(MAX_STRING); |
| size_t printed=0; | size_t printed=0; |
| const String *problem_source=e.problem_source(); | if(StringPtr problem_source=e.problem_source()) { |
| if(problem_source) { | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| const Origin& origin=problem_source->origin(); | const String_fragment::Origin& origin=problem_source->origin(); |
| if(origin.file) | if(origin.file) |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s(%d): ", | printed+=snprintf(buf+printed, MAX_STRING-printed, |
| origin.file, 1+origin.line); | ORIGIN_FILE_LINE_FORMAT": ", |
| origin.file, 1+origin.line | |
| ); | |
| #endif | #endif |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", |
| problem_source->cstr()); | problem_source->cstr().get()); |
| } | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", | |
| e.comment()); | |
| const String *type=e.type(); | |
| if(type) { | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", | |
| type->cstr()); | |
| const String *code=e.code(); | |
| if(code) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | |
| code->cstr()); | |
| } | } |
| 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 | // future $response:content-type |
| response.fields().put(*content_type_name, | response->fields().put(content_type_name, |
| NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE))); | ValuePtr(new VString(StringPtr(new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))))); |
| // future $response:body | // future $response:body |
| body_string=NEW String(pool(), buf); | body_string=StringPtr(new String(buf)); |
| } | } |
| VString body_vstring(body_string); | |
| VFilePtr body_file=body_vstring.as_vfile(pool()); | |
| // ERROR. write it out | // ERROR. write it out |
| output_result(*body_string, header_only); | output_result(body_file, header_only, false); |
| } | } catch(const Exception& ) { |
| CATCH(e) { | rethrow; |
| // exception in request exception handler | |
| // remember to rethrow it | |
| rethrow_me=e; need_rethrow=true; | |
| } | } |
| END_CATCH | |
| } | } |
| END_CATCH // do not use pool() after this point - no exception handler set | |
| // any throw() would try to use zero exception() pointer | |
| if(need_rethrow) // there were an exception set for us to rethrow? | |
| THROW(rethrow_me.type(), rethrow_me.code(), | |
| rethrow_me.problem_source(), | |
| rethrow_me.comment()); | |
| } | } |
| VStateless_class *Request::use_file(const String& file_spec, bool fail_on_read_problem, | VStateless_classPtr Request::use_file(VStateless_class& aclass, |
| const String *name, | StringPtr file_name, bool ignore_class_path, |
| VStateless_class *base_class) { | bool fail_on_read_problem, bool fail_on_file_absence) { |
| // cyclic dependence check | // cyclic dependence check |
| if(used_files.get(file_spec)) | if(used_files.get(file_name)) |
| return base_class; | return VStateless_classPtr(0); |
| used_files.put(file_spec, (Hash::Val *)true); | used_files.put(file_name, true); |
| StringPtr file_spec; | |
| if(ignore_class_path) // ignore_class_path? | |
| file_spec=file_name; | |
| else if(file_name->first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH? | |
| file_spec=absolute(file_name); | |
| else { | |
| file_spec=StringPtr(0); | |
| if(ValuePtr element=main_class->get_element(class_path_name, *main_class, false)) { | |
| if(element->is_string()) { | |
| file_spec=file_readable(*absolute(element->as_string(&pool())), *file_name); // found at class_path? | |
| } else if(Table *table=element->get_table()) { | |
| int size=table->count(); | |
| for(int i=size; i--; ) { | |
| StringPtr path=(*table->get(i))[0]; | |
| if(file_spec=file_readable(*absolute(path), *file_name)) | |
| break; // found along class_path | |
| } | |
| } else | |
| throw Exception("parser.runtime", | |
| Exception::undefined_source, | |
| "$" CLASS_PATH_NAME " must be string or table"); | |
| if(!file_spec) | |
| throw Exception("parser.runtime", | |
| file_name, | |
| "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME); | |
| } | |
| if(!file_spec) | |
| throw Exception("parser.runtime", | |
| file_name, | |
| "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified"); | |
| } | |
| if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for | |
| if(!entry_exists(file_spec)) | |
| return VStateless_classPtr(0); | |
| if(const char *source=file_read_text(pool(), charsets.source(), file_spec, fail_on_read_problem)) | |
| return use_buf(aclass, source, file_spec, file_spec->cstr(pool())); | |
| else | |
| return VStateless_classPtr(0); | |
| } | |
| char *source=file_read_text(pool(), file_spec, fail_on_read_problem); | |
| if(!source) | |
| return base_class; | |
| return use_buf(source, file_spec.cstr(), 0/*new class*/, name, base_class); | VStateless_classPtr Request::use_buf(VStateless_class& aclass, |
| } | const char* source, |
| StringPtr filespec, const char* filespec_cstr) { | |
| // temporary zero @conf so to maybe-replace it in compiled code | |
| Temp_method temp_method_conf(aclass, conf_method_name, MethodPtr(0)); | |
| // temporary zero @auto so to maybe-replace it in compiled code | |
| Temp_method temp_method_auto(aclass, auto_method_name, MethodPtr(0)); | |
| VStateless_class *Request::use_buf(const char *source, const char *file, | |
| VStateless_class *aclass, const String *name, | |
| VStateless_class *base_class) { | |
| // compile loaded class | // compile loaded class |
| VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file); | VStateless_class& cclass=COMPILE(&aclass, source, filespec_cstr); |
| // locate and execute possible @auto[] static method | // locate and execute possible @conf[] static |
| execute_method(cclass, *auto_method_name, false /*no result needed*/); | VStringPtr vfilespec(new VString(filespec)); |
| return &cclass; | const Method *method_called; |
| execute_nonvirtual_method(cclass, | |
| conf_method_name, vfilespec, | |
| false/*no result needed*/, &method_called); | |
| if(method_called) | |
| configure_admin(cclass, method_called->name); | |
| // locate and execute possible @auto[] static | |
| execute_nonvirtual_method(cclass, | |
| auto_method_name, vfilespec, | |
| false/*no result needed*/); | |
| return VStateless_classPtr(&cclass); | |
| } | } |
| /** | StringPtr Request::relative(const char* apath, StringPtr relative_name) { |
| - fail_if_junction(true, junction = fail | char *hpath=pool().copy(apath); |
| - fail_if_junction(false, not junction = fail | StringPtr result(new String); |
| */ | if(rsplit(hpath, '/')) // if something/splitted |
| void Request::fail_if_junction_(bool is, Value& value, | *result << hpath << "/"; |
| const String& method_name, const char *msg) { | *result << relative_name; |
| if((value.get_junction()!=0) ^ !is) | |
| THROW(0, 0, | |
| &method_name, | |
| msg); | |
| } | |
| const String& Request::relative(const char *apath, const String& relative_name) { | |
| int lpath_buf_size=strlen(apath)+1; | |
| char *lpath=(char *)malloc(lpath_buf_size); | |
| memcpy(lpath, apath, lpath_buf_size); | |
| rsplit(lpath, '/'); | |
| String& result=*NEW String(pool(), lpath); | |
| result.APPEND_CONST("/"); | |
| result.append(relative_name, String::UL_PASS_APPENDED); | |
| return result; | return result; |
| } | } |
| const String& Request::absolute(const String& relative_name) { | StringPtr Request::absolute(StringPtr relative_name) { |
| char *relative_name_cstr=relative_name.cstr(); | if(relative_name->first_char()=='/') { |
| if(relative_name_cstr[0]=='/') { | StringPtr result=StringPtr(new String(request_info.document_root)); |
| String& result=*NEW String(pool(), info.document_root); | *result << relative_name; |
| result.append(relative_name, String::UL_PASS_APPENDED); | |
| return result; | return result; |
| } else | } else |
| return relative(info.path_translated, relative_name); | return relative_name->pos("://")<0? relative(request_info.path_translated, relative_name) |
| :relative_name; // something like "http://xxx" | |
| } | } |
| void Request::output_result(const String& body_string, bool header_only) { | static void add_header_attribute( |
| HashStringValue::key_type aattribute, | |
| HashStringValue::value_type ameaning, | |
| Request *r) { | |
| if(*aattribute==BODY_NAME | |
| || *aattribute==DOWNLOAD_NAME | |
| || *aattribute==CHARSET_NAME) | |
| return; | |
| SAPI::add_header_attribute(r->sapi_info, | |
| aattribute->cstr(), | |
| attributed_meaning_to_string(r->pool(), ameaning, String::UL_HTTP_HEADER, false)-> | |
| cstr(String::UL_UNSPECIFIED)); | |
| } | |
| void Request::output_result(VFilePtr body_file, bool header_only, bool as_attachment) { | |
| // header: cookies | // header: cookies |
| cookie.output_result(); | cookie->output_result(pool(), sapi_info); |
| // set default content-type | ValuePtr body_file_content_type; |
| response.fields().put_dont_replace(*content_type_name, | // set content-type |
| default_content_type?default_content_type | if(body_file_content_type=body_file->fields().get(content_type_name)) { |
| :NEW VString(*NEW String(pool(), DEFAULT_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, | |
| ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE))))); | |
| } | |
| // content-disposition | |
| if(ValuePtr vfile_name=body_file->fields().get(name_name)) | |
| if(*vfile_name->get_string(&fpool)!=NONAME_DAT) { | |
| VHashPtr hash(new VHash); | |
| HashStringValue &h=hash->hash(Exception::undefined_source); | |
| if(as_attachment) | |
| h.put(value_name, ValuePtr(new VString(content_disposition_value))); | |
| h.put(content_disposition_filename_name, vfile_name); | |
| response->fields().put(content_disposition_name, hash); | |
| } | |
| // prepare header: $response:fields without :body | // prepare header: $response:fields without :body |
| response.fields().for_each(add_header_attribute, /*excluding*/ body_name); | response->fields().for_each(add_header_attribute, this); |
| // prepare... | const void *client_body; |
| const char *body=body_string.cstr(); | size_t client_content_length; |
| size_t content_length=strlen(body); | // transcode text body when "text/*" or simple result |
| if(body_file_content_type) | |
| if(HashStringValue *hash=body_file_content_type->get_hash(Exception::undefined_source)) | |
| body_file_content_type=hash->get(value_name); | |
| if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string(&pool())->pos("text/")==0) { | |
| Charset::transcode(pool(), | |
| charsets.source(), body_file->value_ptr(), body_file->value_size(), | |
| charsets.client(), client_body, client_content_length | |
| ); | |
| } else { | |
| client_body=body_file->value_ptr(); | |
| client_content_length=body_file->value_size(); | |
| } | |
| // prepare header: content-length | // prepare header: content-length |
| if(content_length) { // useful for redirecting [header "location: http://..."] | char content_length_cstr[MAX_NUMBER]; |
| char content_length_cstr[MAX_NUMBER]; | snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length); |
| snprintf(content_length_cstr, MAX_NUMBER, "%lu", content_length); | SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr); |
| SAPI::add_header_attribute(pool(), "content-length", content_length_cstr); | |
| } | |
| // send header | // send header |
| SAPI::send_header(pool()); | SAPI::send_header(sapi_info); |
| // send body | // send body |
| if(!header_only) | if(!header_only) |
| SAPI::send_body(pool(), body, content_length); | SAPI::send_body(sapi_info, client_body, client_content_length); |
| } | |
| StringPtr Request::mime_type_of(const char* user_file_name_cstr) { | |
| if(mime_types) | |
| if(const char* cext=strrchr(user_file_name_cstr, '.')) { | |
| String sext(++cext); | |
| if(mime_types->locate(0, sext.change_case(pool(), charsets.source(), String::CC_LOWER))) | |
| if(StringPtr result=mime_types->item(1)) | |
| return result; | |
| else | |
| throw Exception("parser.runtime", | |
| mime_types->origin_string(), | |
| MIME_TYPES_NAME " table column elements must not be empty"); | |
| } | |
| return StringPtr(new String("application/octet-stream")); | |
| } | |
| bool Request::origins_mode() { | |
| return main_class->get_element(origins_mode_name, *main_class, false)!=0; // $ORIGINS mode | |
| } | } |