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| version 1.149, 2001/08/07 13:23:33 | version 1.245.2.11, 2003/02/03 11:40:57 |
|---|---|
| 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) | |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| #include "pa_config_includes.h" | |
| #include "pcre.h" | static const char* IDENT_REQUEST_C="$Date$"; |
| #include "internal.h" | |
| extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c | |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| Line 25 extern "C" unsigned char pcre_default_ta | Line 19 extern "C" unsigned char pcre_default_ta |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_vfile.h" | #include "pa_vfile.h" |
| #include "pa_dictionary.h" | #include "pa_dictionary.h" |
| #include "pa_charset.h" | |
| #include "pa_charsets.h" | |
| #include "pa_cache_managers.h" | |
| // consts | |
| const char* 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"; |
| /// 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"; | const char* ORIGINS_CONTENT_TYPE="text/plain"; |
| // defines for globals | |
| Methoded *MOP_create(Pool&); | // globals |
| StringPtr main_method_name(new String(MAIN_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)); | |
| // defines for statics | |
| #define CHARSETS_NAME "CHARSETS" | |
| #define MAIN_CLASS_NAME "MAIN" | |
| #define MIME_TYPES_NAME "MIME-TYPES" | |
| #define ORIGINS_MODE_NAME "ORIGINS" | |
| #define AUTO_FILE_NAME "auto.p" | |
| #define CONF_METHOD_NAME "conf" | |
| #define AUTO_METHOD_NAME "auto" | |
| #define POST_PROCESS_METHOD_NAME "postprocess" | |
| #define BODY_NAME "body" | |
| #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 auto_method_name(new String(AUTO_METHOD_NAME)); | |
| static StringPtr post_process_method_name(new String(POST_PROCESS_METHOD_NAME)); | |
| static StringPtr body_name(new String(BODY_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(const Exception& e); | |
| void lock_system_class(HashStringValue::key_type key, HashStringValue::value_type value, int) { | |
| if(VStateless_class *value_class=value->get_class()) | |
| value_class->lock(); | |
| } | |
| // | // |
| Request::Request(Pool& apool, | Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, |
| Info& ainfo, | uchar adefault_lang, bool status_allowed): |
| String::Untaint_lang adefault_lang) : Pooled(apool), | sapi_info(asapi_info), |
| stack(apool), | request_info(arequest_info), |
| OP(*MOP_create(apool)), | |
| env(apool), | |
| form(apool), | |
| math(apool), | |
| request(apool, *this), | |
| response(apool), | |
| cookie(apool), | |
| fclasses(apool), | |
| fdefault_lang(adefault_lang), flang(adefault_lang), | fdefault_lang(adefault_lang), flang(adefault_lang), |
| info(ainfo), | |
| post_data(0), post_size(0), | main_class(VClassMAIN_create()), |
| used_files(apool), | charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets |
| default_content_type(0), | |
| mime_types(0), | response(new VResponse(arequest_info, charsets)), |
| main_class(0), | form(new VForm), |
| connection(0), | mail(new VMail), |
| pcre_tables(0), | cookie(new VCookie) |
| classes_conf(apool), | |
| anti_endless_execute_recoursion(0) | |
| { | { |
| // maybe expire old caches | |
| cache_managers.maybe_expire(); | |
| /// directly used | /// directly used |
| // operators | // MAIN class, operators |
| OP.register_directly_used(*this); | classes().put(main_class->name(), main_class); |
| // classes: | // classes: |
| // table, file, random, mail, image, ... | // table, file, random, mail, image, ... |
| methoded_array->register_directly_used(*this); | methoded_array.register_directly_used(*this); |
| /// methodless | /// methodless |
| // env class | // env class |
| classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env); | classes().put(StringPtr(new String(ENV_CLASS_NAME)), |
| ValuePtr(new VEnv(asapi_info))); | |
| // status class | |
| if(status_allowed) | |
| classes().put(StringPtr(new String(STATUS_CLASS_NAME)), | |
| ValuePtr(new VStatus)); | |
| // request class | // request class |
| classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request); | classes().put(StringPtr(new String(REQUEST_CLASS_NAME)), |
| ValuePtr(new VRequest(arequest_info, charsets))); | |
| // cookie class | // cookie class |
| classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); | classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie); |
| /// methoded | /// methoded |
| // response class | // response class |
| classes().put(response.get_class()->name(), &response); | classes().put(response->get_class()->name(), response); |
| /// bases used | /// bases used |
| // form class | // form class |
| classes().put(form.get_class()->base()->name(), &form); | classes().put(form->get_class()->base_class()->name(), form); |
| // mail class | |
| classes().put(mail->get_class()->base_class()->name(), mail); | |
| // math class | // math class |
| classes().put(math.get_class()->base()->name(), &math); | { |
| } | ValuePtr math(new VMail); |
| classes().put(math->get_class()->base_class()->name(), math); | |
| } | |
| static void element2ctypes(unsigned char *tables, | // prevent system classes from modification [calling add_method] |
| Value& ctype, const String& name, | // ^process[$string:CLASS]{@method} prohibited from now on... |
| unsigned char bit, | classes().for_each(lock_system_class, 0); |
| int group_offset=-1, | } |
| bool skip_ws=true) { | |
| Value *value=ctype.get_element(name); | |
| if(!value) | |
| return; | |
| unsigned char *ctypes_table=tables+ctypes_offset; | Request::~Request() { |
| const unsigned char *cstr= | #ifdef XML |
| (const unsigned char *)value->as_string().cstr(String::UL_AS_IS); | // if for some strange reason xml generic errors failed to be reported, free them up |
| for(; *cstr; cstr++) { | if(const char* xml_generic_errors=xmlGenericErrors()) { |
| unsigned char c=*cstr; | SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors); |
| if(skip_ws && (c=='\n' || c=='\t' || c==' ')) | free((void *)xml_generic_errors); |
| continue; | |
| ctypes_table[c]|=bit; | |
| if(group_offset>=0) | |
| tables[cbits_offset+group_offset+c/8] |= 1 << (c%8); | |
| } | |
| } | |
| static void cstr2ctypes(unsigned char *tables, const unsigned char *cstr, | |
| unsigned char bit) { | |
| unsigned char *ctypes_table=tables+ctypes_offset; | |
| ctypes_table[0]=bit; | |
| for(; *cstr; cstr++) { | |
| unsigned char c=*cstr; | |
| ctypes_table[c]|=bit; | |
| } | } |
| #endif | |
| } | } |
| static void prepare_case_tables(unsigned char *tables) { | |
| unsigned char *lcc_table=tables+lcc_offset; | |
| unsigned char *fcc_table=tables+fcc_offset; | |
| for(int i=0; i<0x100; i++) | |
| lcc_table[i]=fcc_table[i]=i; | |
| } | |
| static void element2case(unsigned char *tables, Value& ctype, const String& name) { | |
| Value *value=ctype.get_element(name); | |
| if(!value) | |
| return; | |
| unsigned char *lcc_table=tables+lcc_offset; | ValuePtr Request::get_self() { return method_frame?method_frame->get_self():ValuePtr(0); } |
| unsigned char *fcc_table=tables+fcc_offset; | |
| const unsigned char *cstr= | static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) { |
| (const unsigned char *)value->as_string().cstr(String::UL_AS_IS); | ::charsets.load_charset(akey, avalue->as_string(0)); |
| unsigned char from=0; | } |
| for(; *cstr; cstr++) { | void Request::configure_admin(VStateless_class& conf_class, StringPtr source) { |
| unsigned char c=*cstr; | if(configure_admin_done) |
| if(c=='\n' || c=='\t' || c==' ') | throw Exception("parser.runtime", |
| continue; | source, |
| if(from) { | "parser already configured"); |
| lcc_table[from]=c; | configure_admin_done=true; |
| fcc_table[from]=c; fcc_table[c]=from; | |
| from=0; | // charsets must only be specified in method_frame config |
| } else | // so that users would not interfere |
| from=c; | |
| /* $MAIN:CHARSETS[ | |
| $.charsetname1[/full/path/to/charset/file.cfg] | |
| ... | |
| ] | |
| */ | |
| if(ValuePtr vcharsets=conf_class.get_element(charsets_name, conf_class, false)) { | |
| if(!vcharsets->is_string()) | |
| if(HashStringValue* charsets=vcharsets->get_hash(StringPtr(0))) | |
| charsets->for_each(load_charset, 0); | |
| else | |
| throw Exception("parser.runtime", | |
| Exception::undefined_source, | |
| "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash"); | |
| } | } |
| // configure method_frame options | |
| // until someone with less privileges have overriden them | |
| methoded_array.configure_admin(*this); | |
| } | } |
| /** | /** |
| 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 152 static void element2case(unsigned char * | Line 193 static void element2case(unsigned char * |
| 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) { |
| //_asm { int 3 } | |
| 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_CLEAN(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, | config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */); |
| true/*ignore class_path*/, root_auto_fail, | |
| main_class_name, main_class); | |
| } | |
| // configure root options | |
| // until someone with less privileges have overriden them | |
| OP.configure_admin(*this); | |
| methoded_array->configure_admin(*this); | |
| // loading site auto.p | |
| if(site_auto_path) { | |
| String& filespec=*NEW String(pool()); | |
| filespec.APPEND_CLEAN(site_auto_path, 0, "site_auto", 0); | |
| filespec.APPEND_CONST("/" AUTO_FILE_NAME); | |
| main_class=use_file( | |
| filespec, | |
| true/*ignore class_path*/, 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 |
| { | { |
| Array ladder(pool()); | const char* after=request_info.path_translated; |
| const char *after=info.path_translated; | size_t drlen=strlen(request_info.document_root); |
| size_t drlen=strlen(info.document_root); | if(memcmp(after, request_info.document_root, drlen)==0) { |
| if(memcmp(after, info.document_root, drlen)==0) { | |
| after+=drlen; | after+=drlen; |
| if(after[-1]=='/') | if(after[-1]=='/') |
| --after; | --after; |
| } | } |
| while(const char *before=strchr(after, '/')) { | int step=0; |
| String& step=*NEW String(pool()); | while(const char* before=strchr(after, '/')) { |
| if(after!=info.path_translated) { | StringPtr sfile_spec(new String); |
| step.APPEND_CLEAN( | if(after!=request_info.path_translated) { |
| info.path_translated, before+1/* / */-info.path_translated, | sfile_spec->APPEND_CLEAN( |
| "path-translated-scanned", ladder.size()); | request_info.path_translated, before-request_info.path_translated, |
| step << AUTO_FILE_NAME; | "path-translated-scanned", step++); |
| ladder+=&step; | *sfile_spec << "/" AUTO_FILE_NAME; |
| use_file(*main_class, | |
| sfile_spec, true/* ignore class_path */, | |
| true/* fail on read problem */, false/* but ignore absence, sole user */); | |
| } | } |
| after=before+1; | after=before+1; |
| } | } |
| for(int i=0; i<ladder.size(); i++) { | |
| const String& sfile_spec=*ladder.get_string(i); | |
| main_class=use_file(sfile_spec, | |
| true/*ignore class_path*/, false/*ignore read problem*/, | |
| main_class_name, main_class); | |
| } | |
| } | } |
| // compile requested file | // compile requested file |
| String& spath_translated=*NEW String(pool()); | StringPtr spath_translated(new String); |
| spath_translated.APPEND_TAINTED(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, | use_file(*main_class, |
| true/*ignore class_path*/, true/*don't ignore read problem*/, | spath_translated, true/* ignore class_path */, |
| main_class_name, main_class); | true/* fail on read problem*/, true/* fail on abscence */); |
| // configure not-root=user options | // configure method_frame options if not configured yet |
| OP.configure_user(*this); | if(!configure_admin_done) |
| methoded_array->configure_user(*this); | configure_admin(*main_class, StringPtr(0)); |
| // $MAIN:DEFAULTS | // configure not-method_frame=user options |
| Value *defaults=main_class->get_element(*defaults_name); | methoded_array.configure_user(*this); |
| // value must be allocated on request's pool for that pool used on | |
| // meaning constructing @see attributed_meaning_to_string | |
| default_content_type=defaults?defaults->get_element(*content_type_name):0; | |
| if(Value *element=main_class->get_element(*user_html_name)) | |
| if(Table *table=element->get_table()) | |
| pool().set_tag(NEW Dictionary(*table)); | |
| // $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; |
| /* | |
| $MAIN:CTYPE[ | |
| $.white-space[ | |
| ^#09^#0A^#0B^#0C^#0D^#20] | |
| $.digit[ | |
| 0123456789] | |
| $.hex-digit[ | |
| 0123456789ABCDEFabcdef] | |
| $.letter[ | |
| ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz] | |
| $.word[ | |
| 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz] | |
| $.lowercase[ | |
| AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz] | |
| ] | |
| */ | |
| if(Value *ctype=main_class->get_element(*ctype_name)) { | |
| // lowcase, flipcase, bits digit+word+whitespace, masks | |
| pcre_tables=(unsigned char *)calloc(tables_length); | |
| prepare_case_tables(pcre_tables); | |
| element2ctypes(pcre_tables, *ctype, *ctype_white_space_name, ctype_space, cbit_space, false); | |
| element2ctypes(pcre_tables, *ctype, *ctype_digit_name, ctype_digit, cbit_digit); | |
| element2ctypes(pcre_tables, *ctype, *ctype_hex_digit_name, ctype_xdigit); | |
| element2ctypes(pcre_tables, *ctype, *ctype_letter_name, ctype_letter); | |
| element2ctypes(pcre_tables, *ctype, *ctype_word_name, ctype_word, cbit_word); | |
| cstr2ctypes(pcre_tables, (const unsigned char *)"*+?{^.$|()[", ctype_meta); | |
| element2case(pcre_tables, *ctype, *ctype_lowercase_name); | |
| } else | |
| pcre_tables=pcre_default_tables; | |
| // filling form fields | // filling form fields |
| form.fill_fields(*this); | form->fill_fields_and_tables(pool(), charsets, request_info); |
| // filling cookies | // filling cookies |
| cookie.fill_fields(*this); | 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_virtual_method( | StringPtr body_string=execute_virtual_method(main_class, main_method_name); |
| *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"); |
| VString body_vstring_before_post_process(*body_string); | #ifdef RESOURCES_DEBUG |
| VString *body_vstring_after_post_process=&body_vstring_before_post_process; | //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 | // @postprocess |
| if(Value *value=main_class->get_element(*post_process_method_name)) | if(ValuePtr value=main_class->get_element(post_process_method_name, *main_class, false)) |
| if(Junction *junction=value->get_junction()) | if(JunctionPtr junction=value->get_junction()) |
| if(const Method *method=junction->method) { | if(const Method *method=junction->method) { |
| // preparing to pass parameters to | // preparing to pass parameters to |
| // @postprocess[data] | // @postprocess[data] |
| VMethodFrame frame(pool(), value->name(), *junction); | VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/); |
| frame.set_self(*main_class); | frame.set_self(main_class); |
| frame.store_param(method->name, | frame.store_param(body_vstring_before_post_process); |
| &body_vstring_before_post_process); | |
| body_vstring_after_post_process= | body_vstring_after_post_process= |
| NEW VString(*execute_method(frame, *method)); | VStringPtr(new VString(execute_method(frame, *method))); |
| } | } |
| bool origins_mode=main_class->get_element(*origins_mode_name)!=0; | bool lorigins_mode=origins_mode(); |
| const VFile *body_file=body_vstring_after_post_process->as_vfile( | VFilePtr body_file=body_vstring_after_post_process->as_vfile( |
| String::UL_UNSPECIFIED, origins_mode); | 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 $response.body | if(!body_value) |
| body_file=body_value->as_vfile(); | body_value=response->fields().get(body_name); |
| else if(origins_mode) | |
| response.fields().put(*content_type_name, | if(body_value) // there is some $response:body |
| NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE))); | 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_file, 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 && problem_source->size()) | 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(String::UL_AS_IS), | problem_source->cstr(), |
| e.comment(), | e.comment(), |
| e.type()?e.type()->cstr(String::UL_AS_IS):"-", | e.type() |
| e.code()?e.code()->cstr(String::UL_AS_IS):"-" | |
| ); | ); |
| else | else |
| SAPI::log(pool(), | SAPI::log(sapi_info, |
| "%s [%s %s]", | "%s: " |
| e.comment(), | "%s [%s]", |
| e.type()?e.type()->cstr(String::UL_AS_IS):"-", | request_info.uri, |
| e.code()?e.code()->cstr(String::UL_AS_IS):"-" | e.comment(), e.type() |
| ); | ); |
| // reset language to default | // reset language to default |
| flang=fdefault_lang; | flang=fdefault_lang; |
| if(flang==String::UL_USER_HTML) | |
| flang=String::UL_HTML; // no _ & Co conversions in @exception[params] | |
| // 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(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(), value->name(), *junction); | |
| frame.set_self(*main_class); | |
| const String *problem_source=e.problem_source(); | |
| // origin | |
| Value *origin_value=0; | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| if(problem_source && problem_source->size()) { | 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); |
| size_t buf_size=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, buf_size, true); | |
| origin_value=NEW VString(*origin_file_line); | |
| } | |
| } | } |
| #endif | #endif |
| frame.store_param(method->name, | *stack_trace+=row; |
| origin_value?origin_value:NEW VVoid(pool())); | |
| // source | |
| Value *source_value=0; | |
| if(problem_source && problem_source->size()) { | |
| 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(method->name, | |
| source_value?source_value:NEW VVoid(pool())); | |
| // comment | |
| String *comment_value=NEW String(pool(), | |
| e.comment(), 0, true); | |
| frame.store_param(method->name, | |
| NEW VString(*comment_value)); | |
| // 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 VVoid(pool()); | |
| frame.store_param(method->name, type_value); | |
| // 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 VVoid(pool()); | |
| frame.store_param(method->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 445 void Request::core(const char *root_auto | Line 441 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(String::UL_AS_IS)); | problem_source->cstr()); |
| } | |
| 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(String::UL_AS_IS)); | |
| const String *code=e.code(); | |
| if(code) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | |
| code->cstr(String::UL_AS_IS)); | |
| } | } |
| 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); | VString body_vstring(body_string); |
| const VFile *body_file=body_vstring.as_vfile(); | VFilePtr body_file=body_vstring.as_vfile(); |
| // ERROR. write it out | // ERROR. write it out |
| output_result(*body_file, 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) // were there an exception 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_name, | VStateless_classPtr Request::use_file(VStateless_class& aclass, |
| bool ignore_class_path, bool fail_on_read_problem, | StringPtr file_name, bool ignore_class_path, |
| const String *name, | bool fail_on_read_problem, bool fail_on_file_absence) { |
| VStateless_class *base_class) { | |
| // cyclic dependence check | // cyclic dependence check |
| if(used_files.get(file_name)) | if(used_files.get(file_name)) |
| return base_class; | return 0; |
| used_files.put(file_name, (Hash::Val *)true); | used_files.put(file_name, true); |
| const String *file_spec; | StringPtr file_spec; |
| if(ignore_class_path || file_name.first_char()=='/') { | if(ignore_class_path) // ignore_class_path? |
| // ignore_class_path | absolute path, no need to scan MAIN:class_path | file_spec=file_name; |
| file_spec=&file_name; | else if(file_name->first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH? |
| } else { | file_spec=absolute(file_name); |
| file_spec=0; | else { |
| if(main_class) | file_spec=StringPtr(0); |
| if(Value *element=main_class->get_element(*class_path_name)) | if(ValuePtr element=main_class->get_element(class_path_name, *main_class, false)) { |
| if(Table *table=element->get_table()) { | if(element->is_string()) { |
| int size=table->size(); | file_spec=file_readable(absolute(element->as_string(&pool())), file_name); // found at class_path? |
| for(int i=size; i--; ) { | } else if(Table *table=element->get_table()) { |
| const String& path=*static_cast<Array *>(table->get(i))->get_string(0); | int size=table->count(); |
| String *test_file_spec=NEW String(path); | for(int i=size; i--; ) { |
| *test_file_spec << "/"; | StringPtr path=(*table->get(i))[0]; |
| *test_file_spec << file_name; | if(file_spec=file_readable(absolute(path), file_name)) |
| if(file_readable(*test_file_spec)) { | break; // found along class_path |
| file_spec=test_file_spec; // found along class_path | } |
| break; | } else |
| } | throw Exception("parser.runtime", |
| } | Exception::undefined_source, |
| if(!file_spec) | "$" CLASS_PATH_NAME " must be string or table"); |
| THROW(0, 0, | |
| &file_name, | |
| "not found along " CLASS_PATH_NAME); | |
| } | |
| if(!file_spec) | if(!file_spec) |
| THROW(0, 0, | throw Exception("parser.runtime", |
| &file_name, | file_name, |
| "can not be found because no " CLASS_PATH_NAME " were specified"); | "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"); | |
| } | } |
| char *source=file_read_text(pool(), *file_spec, fail_on_read_problem); | if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for |
| if(!source) | if(!entry_exists(file_spec)) |
| return base_class; | return 0; |
| return use_buf(source, file_spec->cstr(), 0/*new class*/, name, base_class); | 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 0; | |
| } | } |
| VStateless_class *Request::use_buf(const char *source, const char *file, | |
| VStateless_class *aclass, const String *name, | VStateless_classPtr Request::use_buf(VStateless_class& aclass, |
| VStateless_class *base_class) { | 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)); | |
| // 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_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/); | VStringPtr vfilespec(new VString(filespec)); |
| 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, | |
| 0/*no result needed*/); | |
| return &cclass; | return &cclass; |
| } | } |
| const String& Request::relative(const char *apath, const String& relative_name) { | StringPtr Request::relative(const char* apath, StringPtr relative_name) { |
| int lpath_buf_size=strlen(apath)+1; | char *hpath=pool().copy(apath); |
| char *lpath=(char *)malloc(lpath_buf_size); | StringPtr result(new String); |
| memcpy(lpath, apath, lpath_buf_size); | if(rsplit(hpath, '/')) // if something/splitted |
| if(!rsplit(lpath, '/')) | *result << hpath << "/"; |
| strcpy(lpath, "."); | *result << relative_name; |
| String& result=*NEW String(pool(), lpath); | |
| result << "/" << relative_name; | |
| 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 << relative_name; | |
| 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" | |
| } | } |
| static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning, | static void add_header_attribute( |
| void *info) { | HashStringValue::key_type aattribute, |
| String *attribute_to_exclude=static_cast<String *>(info); | HashStringValue::value_type ameaning, |
| if(aattribute==*attribute_to_exclude) | Request *r) { |
| if(*aattribute==BODY_NAME | |
| || *aattribute==DOWNLOAD_NAME | |
| || *aattribute==CHARSET_NAME) | |
| return; | return; |
| Value& lmeaning=*static_cast<Value *>(ameaning); | SAPI::add_header_attribute(r->sapi_info, |
| Pool& pool=lmeaning.pool(); | aattribute->cstr(), |
| attributed_meaning_to_string(r->pool(), ameaning, String::UL_HTTP_HEADER, false)-> | |
| SAPI::add_header_attribute(pool, | cstr(String::UL_UNSPECIFIED)); |
| aattribute.cstr(String::UL_AS_IS), | |
| attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr()); | |
| } | } |
| void Request::output_result(const VFile& body_file, bool header_only) { | 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); |
| ValuePtr body_file_content_type; | |
| // set content-type | // set content-type |
| if(String *body_file_content_type=static_cast<String *>( | if(body_file_content_type=body_file->fields().get(content_type_name)) { |
| body_file.fields().get(*vfile_mime_type_name))) { | |
| // body file content type | // body file content type |
| response.fields().put(*content_type_name, body_file_content_type); | response->fields().put(content_type_name, body_file_content_type); |
| } else { | } else { |
| // default content type | // default content type |
| response.fields().put_dont_replace(*content_type_name, | response->fields().put_dont_replace(content_type_name, |
| default_content_type?default_content_type | ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE))))); |
| :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE))); | |
| } | } |
| // content-disposition | // content-disposition |
| if(VString *vfile_name=static_cast<VString *>(body_file.fields().get(*name_name))) | if(ValuePtr vfile_name=body_file->fields().get(name_name)) |
| if(vfile_name->string()!=NONAME_DAT) { | if(*vfile_name->get_string(&Pool())!=NONAME_DAT) { |
| VHash& vhash=*NEW VHash(pool()); | VHashPtr hash(new VHash); |
| vhash.hash().put(*content_disposition_filename_name, vfile_name); | HashStringValue &h=hash->hash(Exception::undefined_source); |
| response.fields().put(*content_disposition_name, &vhash); | 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 void *body=body_file.value_ptr(); | size_t client_content_length; |
| size_t content_length=body_file.value_size(); | // 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, "%u", 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); |
| } | } |
| const String& Request::mime_type_of(const char *user_file_name_cstr) { | StringPtr Request::mime_type_of(const char* user_file_name_cstr) { |
| if(mime_types) | if(mime_types) |
| if(const char *cext=strrchr(user_file_name_cstr, '.')) { | if(const char* cext=strrchr(user_file_name_cstr, '.')) { |
| String sext(pool(), ++cext); | String sext(++cext); |
| if(mime_types->locate(0, sext)) | if(mime_types->locate(0, sext.change_case(pool(), charsets.source(), String::CC_LOWER))) |
| if(const String *result=mime_types->item(1)) | if(StringPtr result=mime_types->item(1)) |
| return *result; | return result; |
| else | else |
| THROW(0, 0, | throw Exception("parser.runtime", |
| mime_types->origin_string(), | mime_types->origin_string(), |
| "MIME-TYPE table column elements must not be empty"); | MIME_TYPES_NAME " table column elements must not be empty"); |
| } | } |
| return *NEW String(pool(), "application/octet-stream"); | |
| 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 | |
| } | } |