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| version 1.67, 2001/03/23 08:47:46 | version 1.261, 2003/11/26 12:49:27 |
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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 <string.h> | static const char * const IDENT_REQUEST_C="$Date$"; |
| #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 "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_venv.h" | |
| Request::Request(Pool& apool, | #include "pa_vmath.h" |
| Info& ainfo, | #include "pa_vstatus.h" |
| String::Untaint_lang adefault_lang) : Pooled(apool), | #include "pa_vrequest.h" |
| stack(apool), | #include "pa_vtable.h" |
| ROOT(apool), | #include "pa_vfile.h" |
| env(apool), | #include "pa_dictionary.h" |
| form(apool), | #include "pa_charset.h" |
| request(apool, *this), | #include "pa_charsets.h" |
| response(apool), | #include "pa_cache_managers.h" |
| cookie(apool), | #include "pa_vmail.h" |
| fclasses(apool), | #include "pa_vform.h" |
| fdefault_lang(adefault_lang), flang(adefault_lang), | #include "pa_vcookie.h" |
| info(ainfo), | #include "pa_vresponse.h" |
| fdefault_content_type(0) | #include "pa_vmemory.h" |
| #include "pa_vconsole.h" | |
| // consts | |
| const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception"; | |
| /// content type of exception response, when no @MAIN:exception handler defined | |
| const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; | |
| /// content type of response when no $MAIN:defaults.content-type defined | |
| 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" | |
| #define EXCEPTION_TYPE_PART_NAME "type" | |
| #define EXCEPTION_SOURCE_PART_NAME "source" | |
| #define EXCEPTION_COMMENT_PART_NAME "comment" | |
| // globals | |
| const String main_method_name(MAIN_METHOD_NAME); | |
| const String auto_method_name(AUTO_METHOD_NAME); | |
| const String content_disposition_name(CONTENT_DISPOSITION_NAME); | |
| const String content_disposition_value(CONTENT_DISPOSITION_VALUE); | |
| const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME); | |
| const String body_name(BODY_NAME); | |
| const String exception_type_part_name(EXCEPTION_TYPE_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_handled_part_name(EXCEPTION_HANDLED_PART_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 const String charsets_name(CHARSETS_NAME); | |
| static const String main_class_name(MAIN_CLASS_NAME); | |
| static const String mime_types_name(MIME_TYPES_NAME); | |
| static const String origins_mode_name(ORIGINS_MODE_NAME); | |
| static const String conf_method_name(CONF_METHOD_NAME); | |
| static const String post_process_method_name(POST_PROCESS_METHOD_NAME); | |
| static const String download_name(DOWNLOAD_NAME); | |
| static const String class_path_name(CLASS_PATH_NAME); | |
| // defines | |
| // op.C | |
| VStateless_class& VClassMAIN_create(); | |
| // | |
| Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, | |
| String::Language adefault_lang, bool status_allowed): | |
| // private | |
| anti_endless_execute_recoursion(0), | |
| // public | |
| method_frame(0), | |
| rcontext(0), | |
| wcontext(0), | |
| flang(adefault_lang), | |
| fconnection(0), | |
| finterrupted(false), | |
| // public | |
| #ifdef RESOURCES_DEBUG | |
| sql_connect_time(0), | |
| sql_request_time(0), | |
| #endif | |
| // public | |
| request_info(arequest_info), | |
| sapi_info(asapi_info), | |
| charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets | |
| main_class(VClassMAIN_create()), | |
| form(*new VForm(charsets, arequest_info)), | |
| mail(*new VMail), | |
| response(*new VResponse(arequest_info, charsets)), | |
| cookie(*new VCookie), | |
| // private | |
| configure_admin_done(false), | |
| // private defaults | |
| fdefault_lang(adefault_lang), | |
| // private mime types | |
| mime_types(0) | |
| { | { |
| // root superclass, | pa_register_thread_request(*this); |
| // parent of all classes, | |
| // operators holder | // file_no=0 => unknown |
| initialize_root_class(pool(), ROOT); | file_list+=String::Body("UNKNOWN"); |
| classes().put(*root_class_name, &ROOT); | file_list+=String::Body("-body of process-"); // pseudo_file_no__process |
| // table class | |
| classes().put(*table_class_name, table_class); | |
| // maybe expire old caches | |
| cache_managers.maybe_expire(); | |
| /// directly used | |
| // MAIN class, operators | |
| classes().put(main_class.name(), &main_class); | |
| // classes: | |
| // table, file, random, mail, image, ... | |
| methoded_array().register_directly_used(*this); | |
| /// methodless | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info)); |
| // form class | // status class |
| classes().put(*form_class_name, &form); | if(status_allowed) |
| classes().put(String::Body(STATUS_CLASS_NAME), new VStatus()); | |
| // request class | // request class |
| classes().put(*request_class_name, &request); | classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets)); |
| // response class | |
| classes().put(*response_class_name, &response); | |
| // cookie class | // cookie class |
| classes().put(*cookie_class_name, &cookie); | classes().put(String::Body(COOKIE_CLASS_NAME), &cookie); |
| // console class | |
| classes().put(String::Body(CONSOLE_CLASS_NAME), new VConsole()); | |
| /// 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 | |
| { | |
| Value& math=*new VMath; | |
| classes().put(math.get_class()->base_class()->name(), &math); | |
| } | |
| // memory class | |
| { | |
| Value& memory=*new VMemory; | |
| classes().put(memory.get_class()->base_class()->name(), &memory); | |
| } | |
| } | } |
| 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(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors); |
| free((void *)xml_generic_errors); | |
| } | |
| #endif | |
| } | |
| Value& lmeaning=*static_cast<Value *>(ameaning); | Value& Request::get_self() { return method_frame/*always have!*/->self(); } |
| Pool& pool=lmeaning.pool(); | |
| String attribute(pool); | static void load_charset(HashStringValue::key_type akey, |
| (*service_funcs.add_header_attribute)(pool, | HashStringValue::value_type avalue, |
| attribute.append(aattribute, String::UL_HEADER, true).cstr(), | Request_charsets* charsets) { |
| attributed_meaning_to_string(lmeaning).cstr()); | const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER); |
| ::charsets.load_charset(*charsets, NAME, avalue->as_string()); | |
| } | |
| void Request::configure_admin(VStateless_class& conf_class) { | |
| if(configure_admin_done) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "parser already configured"); | |
| configure_admin_done=true; | |
| // charsets must only be specified in method_frame config | |
| // so that users would not interfere | |
| /* $MAIN:CHARSETS[ | |
| $.charsetname1[/full/path/to/charset/file.cfg] | |
| ... | |
| ] | |
| */ | |
| if(Value* vcharsets=conf_class.get_element(charsets_name, conf_class, false)) { | |
| if(!vcharsets->is_string()) | |
| if(HashStringValue* charsets=vcharsets->get_hash()) | |
| charsets->for_each(load_charset, &this->charsets); | |
| else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash"); | |
| } | |
| // configure method_frame options | |
| // until someone with less privileges have overriden them | |
| methoded_array().configure_admin(*this); | |
| } | } |
| /** | /** |
| Line 78 static void add_header_attribute(const H | Line 236 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* config_filespec, bool config_fail_on_read_problem, bool header_only) { |
| const char *site_auto_path, bool site_auto_fail, | |
| bool header_only) { | |
| VStateless_class *main_class=0; | |
| bool need_rethrow=false; Exception rethrow_me; | |
| TRY { | |
| char *auto_filespec=(char *)malloc(MAX_STRING); | |
| // loading root auto.p | |
| if(root_auto_path) { | |
| strncpy(auto_filespec, root_auto_path, MAX_STRING-strlen("/" AUTO_FILE_NAME)); | |
| strcat(auto_filespec, "/" AUTO_FILE_NAME); | |
| main_class=use_file( | |
| auto_filespec, root_auto_fail, | |
| main_class_name, main_class); | |
| } | |
| // loading site auto.p | #ifdef RESOURCES_DEBUG |
| if(site_auto_path) { | //measures |
| strncpy(auto_filespec, site_auto_path, MAX_STRING-strlen("/" AUTO_FILE_NAME)); | struct timeval mt[10]; |
| strcat(auto_filespec, "/" AUTO_FILE_NAME); | //measure:before all |
| main_class=use_file( | gettimeofday(&mt[0],NULL); |
| auto_filespec, site_auto_fail, | #endif |
| main_class_name, main_class); | try { |
| // loading config | |
| if(config_filespec) { | |
| const String& filespec=*new String(config_filespec); | |
| use_file(main_class, | |
| filespec, 0 /*main_alias*/, | |
| true /*ignore class_path*/, | |
| config_fail_on_read_problem, | |
| true /*file must exist if 'fail on read problem' not set*/); | |
| } | } |
| Value *element; | // loading auto.p files from document_root/.. |
| // $MAIN:limits hash used here, | // to the one beside requested file. |
| // until someone with less privileges have overriden them | // all assigned bases from upper dir |
| Value *limits=main_class?main_class->get_element(*limits_name):0; | { |
| // $limits.post_max_size default 10M | const char* after=request_info.path_translated; |
| element=limits?limits->get_element(*post_max_size_name):0; | size_t drlen=strlen(request_info.document_root); |
| int value=element?(size_t)element->get_double():0; | if(memcmp(after, request_info.document_root, drlen)==0) { |
| int post_max_size=value?value:10*0x400*400; | after+=drlen; |
| if(after[-1]=='/') | |
| form.fill_fields(*this, post_max_size); | --after; |
| cookie.fill_fields(*this); | } |
| // TODO: load site auto.p files, all assigned bases from upper dir | while(const char* before=strchr(after, '/')) { |
| /*char *site_auto_file="Y:\\parser3\\src\\auto.p"; | String& sfile_spec=*new String; |
| main_class=use_file( | if(after!=request_info.path_translated) { |
| site_auto_file, false/*ignore possible read problem* /, | sfile_spec.append_strdup( |
| main_class_name, main_class);*/ | request_info.path_translated, before-request_info.path_translated, |
| String::L_CLEAN); | |
| // $MAIN:defaults | sfile_spec << "/" AUTO_FILE_NAME; |
| Value *defaults=main_class?main_class->get_element(*defaults_name):0; | |
| fdefault_content_type=defaults?defaults->get_element(*content_type_name):0; | use_file(main_class, |
| sfile_spec, | |
| // compiling requested file | 0 /*main_alias*/, |
| main_class=use_file(info.path_translated, true/*don't ignore read problem*/, | true /*ignore class_path*/, |
| main_class_name, main_class); | true /*fail on read problem*/, |
| false /*but ignore absence, sole user*/); | |
| } | |
| after=before+1; | |
| } | |
| } | |
| // compile requested file | |
| String& spath_translated=*new String; | |
| spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED); | |
| use_file(main_class, | |
| spath_translated, | |
| 0 /*main_alias*/, | |
| true /*ignore class_path*/); | |
| // configure method_frame options if not configured yet | |
| if(!configure_admin_done) | |
| configure_admin(main_class); | |
| // configure not-method_frame=user options | |
| methoded_array().configure_user(*this); | |
| // $MAIN:MIME-TYPES | |
| if(Value* element=main_class.get_element(mime_types_name, main_class, false)) | |
| if(Table *table=element->get_table()) | |
| mime_types=table; | |
| // filling cookies | |
| cookie.fill_fields(request_info); | |
| // filling mail received | |
| mail.fill_received(*this); | |
| #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); | const String* body_string=execute_virtual_method(main_class, main_method_name); |
| if(!body_string) | if(!body_string) |
| THROW(0,0, | throw Exception("parser.runtime", |
| 0, | 0, |
| "'"MAIN_METHOD_NAME"' method not found"); | "'"MAIN_METHOD_NAME"' method not found"); |
| #ifdef RESOURCES_DEBUG | |
| //measure:after main | |
| gettimeofday(&mt[2],NULL); | |
| #endif | |
| // extract response body | // extract response body |
| Value *body_value=static_cast<Value *>( | Value* body_value=response.fields().get(download_name); // $response:download? |
| 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); // $response:body |
| if(!body_value) | |
| // OK. write out the result | body_value=new VString(*body_string); // just result of ^main[] |
| output_result(*body_string, header_only); | |
| } | // @postprocess |
| CATCH(e) { | if(Value* value=main_class.get_element(post_process_method_name, main_class, false)) |
| TRY { | if(Junction* junction=value->get_junction()) |
| // we're returning not result, but error explanation | if(const Method *method=junction->method) { |
| // preparing to pass parameters to | |
| // @postprocess[data] | |
| VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/); | |
| frame.set_self(main_class); | |
| // reset language to default | frame.store_param(*body_value); |
| flang=fdefault_lang; | body_value=&execute_method(frame, *method).as_value(); |
| } | |
| // reset response | |
| response.fields().clear(); | |
| // this is what we'd return in $response:body | VFile* body_file=body_value->as_vfile( |
| const String *body_string=0; | String::L_UNSPECIFIED, &charsets); |
| if(main_class) { // we've managed to end up with some main_class | #ifdef RESOURCES_DEBUG |
| // maybe we'd be lucky enough as to report an error | //measure:after postprocess |
| // in a gracefull way... | gettimeofday(&mt[3],NULL); |
| 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 | |
| if(problem_source) { | |
| const Origin& origin=problem_source->origin(); | |
| if(origin.file) { | |
| char *buf=(char *)malloc(MAX_STRING); | |
| snprintf(buf, MAX_STRING, "%s(%d):", | |
| origin.file, 1+origin.line); | |
| String *origin_file_line=NEW String(pool(), | |
| buf, true); | |
| origin_value=NEW VString(*origin_file_line); | |
| } | |
| } | |
| #endif | #endif |
| frame.store_param(origin_name, | |
| origin_value?origin_value:NEW VUnknown(pool())); | |
| // source | // OK. write out the result |
| String source_name(pool(), "source"); | output_result(body_file, header_only, as_attachment); |
| 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); | |
| } | |
| } | |
| if(!body_string) { // couldn't report an error beautifully? | |
| // doing that ugly | |
| // make up result: $origin $source $comment $type $code | #ifdef RESOURCES_DEBUG |
| char *buf=(char *)malloc(MAX_STRING); | //measure:after output_result |
| size_t printed=0; | gettimeofday(&mt[9],NULL); |
| const String *problem_source=e.problem_source(); | t[9]=mt[9].tv_sec+mt[9].tv_usec/1000000.0; |
| if(problem_source) { | |
| #ifndef NO_STRING_ORIGIN | double t[10]; |
| const Origin& origin=problem_source->origin(); | for(int i=0;i<10;i++) |
| if(origin.file) | t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0; |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s(%d): ", | //measure:log2 compile,main,postprocess,output |
| origin.file, 1+origin.line); | SAPI::log("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 | #endif |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | } catch(const Exception& e) { // request handling problem |
| problem_source->cstr()); | // we're returning not result, but error explanation |
| } | #define PA_URI_FORMAT "%s: " |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", | #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): " |
| e.comment()); | #define PA_SOURCE_FORMAT "'%s' " |
| const String *type=e.type(); | #define PA_COMMENT_TYPE_FORMAT "%s [%s]" |
| if(type) { | // log the beast |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", | Request::Exception_details details=get_details(e); |
| type->cstr()); | |
| const String *code=e.code(); | if(details.problem_source) { // do we know the guy? |
| if(code) | if(details.trace) { // do whe know where he came from? |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | Operation::Origin origin=details.trace.origin(); |
| code->cstr()); | 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 | |
| flang=fdefault_lang; | |
| // reset response | |
| response.fields().clear(); | |
| // this is what we'd return in $response:body | |
| const String* body_string=0; | |
| // future $response:content-type | // maybe we'd be lucky enough as to report an error |
| response.fields().put(*content_type_name, | // in a gracefull way... |
| NEW VString(*NEW String(pool(), "text/plain"))); | if(Value* value=main_class.get_element( |
| // future $response:body | *new String(UNHANDLED_EXCEPTION_METHOD_NAME), |
| body_string=NEW String(pool(), buf); | main_class, |
| false)) { | |
| if(Junction* junction=value->get_junction()) { | |
| if(const Method *method=junction->method) { | |
| // preparing to pass parameters to | |
| // @unhandled_exception[exception;stack] | |
| VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/); | |
| frame.set_self(main_class); | |
| // $exception | |
| frame.store_param(details.vhash); | |
| // $stack[^table::set{name origin}] | |
| Table::columns_type stack_trace_columns(new ArrayString); | |
| *stack_trace_columns+=new String("name"); | |
| *stack_trace_columns+=new String("file"); | |
| *stack_trace_columns+=new String("lineno"); | |
| *stack_trace_columns+=new String("colno"); | |
| Table& stack_trace=*new Table(stack_trace_columns); | |
| if(!exception_trace.is_empty()/*signed!*/) | |
| for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) { | |
| Trace trace=exception_trace.get(i); | |
| Table::element_type row(new ArrayString); | |
| *row+=trace.name(); // name column | |
| Operation::Origin origin=trace.origin(); | |
| if(origin.file_no) { | |
| *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.col), String::L_CLEAN); // 'colno' column | |
| } | |
| stack_trace+=row; | |
| } | |
| frame.store_param(*new VTable(&stack_trace)); | |
| // future $response:body= | |
| // execute ^unhandled_exception[exception;stack] | |
| body_string=&execute_method(frame, *method).as_string(); | |
| } | |
| } | } |
| } | |
| if(!body_string) { // couldn't report an error beautifully? | |
| // doing that ugly | |
| // ERROR. write it out | // make up result: $origin $source $comment $type $code |
| output_result(*body_string, header_only); | char *buf=new(PointerFreeGC) char[MAX_STRING]; |
| size_t printed=0; | |
| if(const String* problem_source=e.problem_source()) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | |
| problem_source->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 | |
| response.fields().put(content_type_name, | |
| new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))); | |
| // future $response:body | |
| body_string=new String(buf); | |
| } | } |
| CATCH(e) { | |
| // exception in request exception handler | VString body_vstring(*body_string); |
| // remember to rethrow it | VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets); |
| rethrow_me=e; need_rethrow=true; | |
| // ERROR. write it out | |
| output_result(body_file, header_only, false); | |
| } | |
| } | |
| size_t Request::register_file(String::Body file_spec) { | |
| file_list+=file_spec; | |
| return file_list.count()-1; | |
| } | |
| void Request::use_file(VStateless_class& aclass, | |
| const String& file_name, const String* main_alias, | |
| bool ignore_class_path, | |
| bool fail_on_read_problem, | |
| bool fail_on_file_absence) { | |
| // cyclic dependence check | |
| if(used_files.get(file_name)) | |
| return; | |
| used_files.put(file_name, true); | |
| const String* file_spec; | |
| if(ignore_class_path) // ignore_class_path? | |
| file_spec=&file_name; | |
| else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH] | |
| file_spec=&absolute(file_name); | |
| else { | |
| file_spec=0; | |
| if(Value* element=main_class.get_element(class_path_name, main_class, false)) { | |
| if(element->is_string()) { | |
| file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path? | |
| } else if(Table *table=element->get_table()) { | |
| int size=table->count(); | |
| for(int i=size; i--; ) { | |
| const String& path=*(*table->get(i))[0]; | |
| if((file_spec=file_readable(absolute(path), file_name))) | |
| break; // found along class_path | |
| } | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "$" 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); | |
| } | } |
| END_CATCH | if(!file_spec) |
| throw Exception("parser.runtime", | |
| &file_name, | |
| "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified"); | |
| } | } |
| 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? | if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for |
| THROW(rethrow_me.type(), rethrow_me.code(), | if(!entry_exists(*file_spec)) |
| rethrow_me.problem_source(), | return; |
| rethrow_me.comment()); | |
| if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem)) | |
| use_buf(aclass, source, main_alias, register_file(*file_spec)); | |
| } | } |
| /// @todo find|solve cyclic dependences | |
| VStateless_class *Request::use_file(const char *file, bool fail_on_read_problem, | |
| const String *name, | |
| VStateless_class *base_class) { | |
| char *source=file_read_text(pool(), file, fail_on_read_problem); | |
| if(!source) | |
| return base_class; | |
| return use_buf(source, file, 0/*new class*/, name, base_class); | void Request::use_buf(VStateless_class& aclass, |
| } | const char* source, const String* main_alias, |
| uint file_no) { | |
| // temporary zero @conf so to maybe-replace it in compiled code | |
| Temp_method temp_method_conf(aclass, conf_method_name, 0); | |
| // temporary zero @auto so to maybe-replace it in compiled code | |
| Temp_method temp_method_auto(aclass, auto_method_name, 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, main_alias, file_no); |
| // locate and execute possible @auto[] static method | // locate and execute possible @conf[] static |
| execute_method(cclass, *auto_method_name, false /*no result needed*/); | VString* vfilespec= |
| return &cclass; | new VString(*new String(file_list[file_no], String::L_TAINTED)); |
| Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass, | |
| conf_method_name, vfilespec, | |
| false/*no string result needed*/); | |
| if(executed.method) | |
| configure_admin(cclass/*, executed.method->name*/); | |
| // locate and execute possible @auto[] static | |
| execute_nonvirtual_method(cclass, | |
| auto_method_name, vfilespec, | |
| false/*no result needed*/); | |
| } | } |
| /** | const String& Request::relative(const char* apath, const String& relative_name) { |
| - fail_if_junction(true, junction = fail | char *hpath=strdup(apath); |
| - fail_if_junction(false, not junction = fail | String& 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; |
| return result; | |
| } | |
| if((value.get_junction()!=0) ^ !is) | const String& Request::absolute(const String& relative_name) { |
| THROW(0, 0, | if(relative_name.first_char()=='/') { |
| &method_name, | String& result=*new String(strdup(request_info.document_root)); |
| msg); | result << relative_name; |
| } | |
| char *Request::relative(const char *path, const char *file) { | |
| char *result=(char *)malloc(strlen(path)+strlen(file)+1); | |
| strcpy(result, path); | |
| rsplit(result, '/'); | |
| strcat(result, "/"); | |
| strcat(result, file); | |
| return result; | |
| } | |
| char *Request::absolute(const char *name) { | |
| if(name[0]=='/') { | |
| char *result=(char *)malloc(strlen(info.document_root)+strlen(name)+1); | |
| strcpy(result, info.document_root); | |
| strcat(result, name); | |
| return result; | return result; |
| } else | } else |
| return relative(info.path_translated, name); | if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx" |
| #ifdef WIN32 | |
| || relative_name.pos(":")==1 // DRIVE: | |
| || relative_name.starts_with("\\\\") // UNC1 | |
| || relative_name.starts_with("//") // UNC2 | |
| #endif | |
| ) | |
| return relative_name; | |
| else | |
| return relative(request_info.path_translated, relative_name); | |
| } | } |
| 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(*ameaning, String::L_HTTP_HEADER, false). | |
| cstr(String::L_UNSPECIFIED)); | |
| } | |
| void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) { | |
| // header: cookies | // header: cookies |
| cookie.output_result(); | cookie.output_result(sapi_info); |
| // set default content-type | Value* body_file_content_type; |
| if(fdefault_content_type) | // set content-type |
| response.fields().put_dont_replace(*content_type_name, fdefault_content_type); | 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 | |
| if(Value* vfile_name=body_file->fields().get(name_name)) | |
| if(*vfile_name->get_string()!=NONAME_DAT) { | |
| VHash& hash=*new VHash(); | |
| HashStringValue &h=hash.hash(); | |
| if(as_attachment) | |
| h.put(value_name, 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().foreach(add_header_attribute, /*excluding*/ body_name); | response.fields().for_each(add_header_attribute, this); |
| // prepare... | // transcode text body when "text/*" or simple result |
| const char *body=body_string.cstr(); | if(body_file_content_type) |
| size_t content_length=strlen(body); | if(HashStringValue *hash=body_file_content_type->get_hash()) |
| 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 | // 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", output.length); |
| snprintf(content_length_cstr, MAX_NUMBER, "%lu", content_length); | SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr); |
| (*service_funcs.add_header_attribute)(pool(), "content-length", content_length_cstr); | |
| } | |
| // send header | // send header |
| (*service_funcs.send_header)(pool()); | SAPI::send_header(sapi_info); |
| // send body | // send body |
| if(!header_only) | if(!header_only) |
| (*service_funcs.send_body)(pool(), body, content_length); | SAPI::send_body(sapi_info, output.str, output.length); |
| } | |
| const String& 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); | |
| Table::Action_options options; | |
| if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) | |
| if(const String* result=mime_types->item(1)) | |
| return *result; | |
| else | |
| throw Exception("parser.runtime", | |
| 0, | |
| MIME_TYPES_NAME " table column elements must not be empty"); | |
| } | |
| return *new String("application/octet-stream"); | |
| } | |
| #ifdef XML | |
| GdomeDOMString_auto_ptr Request::transcode(const String& s) { | |
| return charsets.source().transcode(s); | |
| } | |
| GdomeDOMString_auto_ptr Request::transcode(const String::Body s) { | |
| return charsets.source().transcode(s); | |
| } | |
| const String& Request::transcode(GdomeDOMString* s) { | |
| return charsets.source().transcode(s); | |
| } | |
| const String& Request::transcode(xmlChar* s) { | |
| return charsets.source().transcode(s); | |
| } | |
| #endif | |
| const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) { | |
| Trace result; | |
| if(!is_empty()) { | |
| result=bottom_value(); | |
| if(!problem_source) { // we don't know who trigged the bug? | |
| problem_source=result.name(); // consider the stack-top-guy did that | |
| fbottom++; | |
| } else if(result.name()==problem_source) // it is that same guy? | |
| fbottom++; // throw away that trace | |
| // else stack top contains not us, | |
| // leaving result intact | |
| // it would help ^throw | |
| } | |
| return result; | |
| } | |
| Request::Exception_details Request::get_details(const Exception& e) { | |
| const String* problem_source=e.problem_source(); | |
| Trace trace=exception_trace.extract_origin(problem_source); | |
| VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash(); | |
| // $.type | |
| if(const char* type=e.type(true)) | |
| hash.put(exception_type_part_name, new VString(*new String(type))); | |
| // $.source | |
| if(problem_source) { | |
| String& source=*new String; | |
| source.append(*problem_source, String::L_TAINTED, true/*forced*/); | |
| hash.put(exception_source_part_name, new VString(source)); | |
| } | |
| // $.file lineno colno | |
| if(trace) { | |
| const Operation::Origin origin=trace.origin(); | |
| hash.put(String::Body("file"), | |
| new VString(*new String(file_list[origin.file_no], String::L_TAINTED))); | |
| hash.put(String::Body("lineno"), new VInt(1+origin.line)); | |
| hash.put(String::Body("colno"), new VInt(1+origin.col)); | |
| } | |
| // $.comment | |
| if(const char* comment=e.comment(true)) | |
| hash.put(exception_comment_part_name, | |
| new VString(*new String(comment, 0, true/*tainted*/))); | |
| // $.handled(0) | |
| hash.put(exception_handled_part_name, new VBool(false)); | |
| return Request::Exception_details(trace, problem_source, vhash); | |
| } | } |