--- parser3/src/main/pa_request.C 2001/08/27 13:27:26 1.152 +++ parser3/src/main/pa_request.C 2003/02/03 11:55:33 1.245.2.12 @@ -1,17 +1,11 @@ /** @file Parser: request class main part. @see compile.C and execute.C. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - - Author: Alexander Petrosyan (http://design.ru/paf) + Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char *RCSId="$Id: pa_request.C,v 1.152 2001/08/27 13:27:26 parser Exp $"; - -#include "pa_config_includes.h" -#include "pcre.h" -#include "internal.h" -extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c +static const char* IDENT_REQUEST_C="$Date: 2003/02/03 11:55:33 $"; #include "pa_sapi.h" #include "pa_common.h" @@ -25,125 +19,173 @@ extern "C" unsigned char pcre_default_ta #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 + +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"; +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"; +const char* DEFAULT_CONTENT_TYPE="text/html"; +const char* ORIGINS_CONTENT_TYPE="text/plain"; + +// defines for globals -Methoded *MOP_create(Pool&); +#define MAIN_METHOD_NAME "main" + +// 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, - Info& ainfo, - String::Untaint_lang adefault_lang) : Pooled(apool), - stack(apool), - OP(*MOP_create(apool)), - env(apool), - form(apool), - math(apool), - request(apool, *this), - response(apool), - cookie(apool), - fclasses(apool), +Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, + uchar adefault_lang, bool status_allowed): + sapi_info(asapi_info), + request_info(arequest_info), fdefault_lang(adefault_lang), flang(adefault_lang), - info(ainfo), - post_data(0), post_size(0), - used_files(apool), - default_content_type(0), - mime_types(0), - main_class(0), - connection(0), - pcre_tables(0), - classes_conf(apool), - anti_endless_execute_recoursion(0) + + main_class(VClassMAIN_create()), + charsets(pool(), *UTF8_charset, *UTF8_charset, *UTF8_charset), // default charsets + + response(new VResponse(fpool, arequest_info, charsets)), + form(new VForm), + mail(new VMail), + cookie(new VCookie) { + // maybe expire old caches + cache_managers.maybe_expire(); + /// directly used - // operators - OP.register_directly_used(*this); + // MAIN class, operators + classes().put(main_class->name(), main_class); // classes: // table, file, random, mail, image, ... - methoded_array->register_directly_used(*this); + methoded_array.register_directly_used(*this); /// methodless // 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(pool()))); // 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 - classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); + classes().put(StringPtr(new String(COOKIE_CLASS_NAME)), cookie); /// methoded // response class - classes().put(response.get_class()->name(), &response); + classes().put(response->get_class()->name(), response); /// bases used // 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 - 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, - Value& ctype, const String& name, - unsigned char bit, - int group_offset=-1, - bool skip_ws=true) { - Value *value=ctype.get_element(name); - if(!value) - return; + // prevent system classes from modification [calling add_method] + // ^process[$string:CLASS]{@method} prohibited from now on... + classes().for_each(lock_system_class, 0); +} - unsigned char *ctypes_table=tables+ctypes_offset; - const unsigned char *cstr= - (const unsigned char *)value->as_string().cstr(String::UL_AS_IS); - for(; *cstr; cstr++) { - unsigned char c=*cstr; - if(skip_ws && (c=='\n' || c=='\t' || c==' ')) - 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; +Request::~Request() { +#ifdef XML + // if for some strange reason xml generic errors failed to be reported, free them up + if(const char* xml_generic_errors=xmlGenericErrors()) { + SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors); + free((void *)xml_generic_errors); } +#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; - unsigned char *fcc_table=tables+fcc_offset; - const unsigned char *cstr= - (const unsigned char *)value->as_string().cstr(String::UL_AS_IS); - unsigned char from=0; - for(; *cstr; cstr++) { - unsigned char c=*cstr; - if(c=='\n' || c=='\t' || c==' ') - continue; - if(from) { - lcc_table[from]=c; - fcc_table[from]=c; fcc_table[c]=from; - from=0; - } else - from=c; +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 + + /* $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); } /** @@ -153,288 +195,246 @@ static void element2case(unsigned char * the file user requested us to process all located classes become children of one another, composing class we name 'MAIN' + + @test log stack trace + */ -void Request::core(const char *root_auto_path, bool root_auto_fail, - const char *site_auto_path, bool site_auto_fail, +void Request::core( + const char* config_filespec, bool config_fail_on_read_problem, bool header_only) { - //_asm { int 3 } - bool need_rethrow=false; Exception rethrow_me; - TRY { + +#ifdef RESOURCES_DEBUG +//measures +struct timeval mt[10]; +//measure:before all +gettimeofday(&mt[0],NULL); +#endif + try { char *auto_filespec=(char *)malloc(MAX_STRING); - // loading root auto.p - if(root_auto_path) { - String& filespec=*NEW String(pool()); - filespec.APPEND_CLEAN(root_auto_path, 0, "root_auto", 0); - filespec << "/" AUTO_FILE_NAME; - main_class=use_file( - filespec, - 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 << "/" AUTO_FILE_NAME; - main_class=use_file( - filespec, - true/*ignore class_path*/, site_auto_fail, - main_class_name, main_class); + // loading config + if(config_filespec) { + StringPtr filespec(new String); + filespec->APPEND_CLEAN(config_filespec, 0, "config", 0); + use_file(*main_class, + filespec, true/* ignore class_path */, + config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */); } // loading auto.p files from document_root/.. // to the one beside requested file. // all assigned bases from upper dir { - const char *after=info.path_translated; - size_t drlen=strlen(info.document_root); - if(memcmp(after, info.document_root, drlen)==0) { + const char* after=request_info.path_translated; + size_t drlen=strlen(request_info.document_root); + if(memcmp(after, request_info.document_root, drlen)==0) { after+=drlen; if(after[-1]=='/') --after; } int step=0; - while(const char *before=strchr(after, '/')) { - String& sfile_spec=*NEW String(pool()); - if(after!=info.path_translated) { - sfile_spec.APPEND_CLEAN( - info.path_translated, before-info.path_translated, + while(const char* before=strchr(after, '/')) { + StringPtr sfile_spec(new String); + if(after!=request_info.path_translated) { + sfile_spec->APPEND_CLEAN( + request_info.path_translated, before-request_info.path_translated, "path-translated-scanned", step++); - sfile_spec << "/" AUTO_FILE_NAME; + *sfile_spec << "/" AUTO_FILE_NAME; - main_class=use_file(sfile_spec, - true/*ignore class_path*/, false/*ignore read problem*/, - main_class_name, main_class); + use_file(*main_class, + sfile_spec, true/* ignore class_path */, + true/* fail on read problem */, false/* but ignore absence, sole user */); } after=before+1; } } // compile requested file - String& spath_translated=*NEW String(pool()); - spath_translated.APPEND_TAINTED(info.path_translated, 0, "user-request", 0); - main_class=use_file(spath_translated, - true/*ignore class_path*/, true/*don't ignore read problem*/, - main_class_name, main_class); - - // configure not-root=user options - OP.configure_user(*this); - methoded_array->configure_user(*this); - - // $MAIN:DEFAULTS - Value *defaults=main_class->get_element(*defaults_name); - // 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)); + StringPtr spath_translated(new String); + spath_translated->APPEND_TAINTED(request_info.path_translated, 0, "user-request", 0); + use_file(*main_class, + spath_translated, true/* ignore class_path */, + true/* fail on read problem*/, true/* fail on abscence */); + + // configure method_frame options if not configured yet + if(!configure_admin_done) + configure_admin(*main_class, StringPtr(0)); + + // configure not-method_frame=user options + methoded_array.configure_user(*this); // $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()) 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 - form.fill_fields(*this); + form->fill_fields_and_tables(pool(), charsets, request_info); // 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[] - const String *body_string=execute_virtual_method( - *main_class, *main_method_name); + StringPtr body_string=execute_virtual_method(main_class, main_method_name); if(!body_string) - THROW(0,0, - 0, + throw Exception("parser.runtime", + Exception::undefined_source, "'"MAIN_METHOD_NAME"' method not found"); - VString body_vstring_before_post_process(*body_string); - VString *body_vstring_after_post_process=&body_vstring_before_post_process; - +#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(Value *value=main_class->get_element(*post_process_method_name)) - if(Junction *junction=value->get_junction()) + 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(), value->name(), *junction); - frame.set_self(*main_class); + VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/); + frame.set_self(main_class); - frame.store_param(method->name, - &body_vstring_before_post_process); + frame.store_param(body_vstring_before_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( - String::UL_UNSPECIFIED, origins_mode); + VFilePtr body_file=body_vstring_after_post_process->as_vfile( + String::UL_UNSPECIFIED, lorigins_mode); // extract response body - Value *body_value=static_cast( - response.fields().get(*body_name)); - if(body_value) // there is some $response.body - body_file=body_value->as_vfile(); - else if(origins_mode) - response.fields().put(*content_type_name, - NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE))); + ValuePtr body_value=response->fields().get(download_name); + bool as_attachment=body_value!=0; + if(!body_value) + body_value=response->fields().get(body_name); + + if(body_value) // there is some $response:body + body_file=body_value->as_vfile(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 - output_result(*body_file, header_only); - } - CATCH(e) { // request handling problem + output_result(body_file, header_only, as_attachment); + +#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 - TRY { + try { // log the beast - const String *problem_source=e.problem_source(); - if(problem_source && problem_source->size()) - SAPI::log(pool(), + if(StringPtr problem_source=e.problem_source()) + SAPI::log(sapi_info, + "%s: " #ifndef NO_STRING_ORIGIN - "%s(%d): " + ORIGIN_FILE_LINE_FORMAT": " #endif - "'%s' %s [%s %s]", + "'%s' %s [%s]", + request_info.uri, #ifndef NO_STRING_ORIGIN problem_source->origin().file?problem_source->origin().file:"global", problem_source->origin().line, #endif - problem_source->cstr(String::UL_AS_IS), + problem_source->cstr(), e.comment(), - e.type()?e.type()->cstr(String::UL_AS_IS):"-", - e.code()?e.code()->cstr(String::UL_AS_IS):"-" + e.type() ); else - SAPI::log(pool(), - "%s [%s %s]", - e.comment(), - e.type()?e.type()->cstr(String::UL_AS_IS):"-", - e.code()?e.code()->cstr(String::UL_AS_IS):"-" - ); + SAPI::log(sapi_info, + "%s: " + "%s [%s]", + request_info.uri, + e.comment(), e.type() + ); // reset language to default flang=fdefault_lang; - if(flang==String::UL_USER_HTML) - flang=String::UL_HTML; // no _ & Co conversions in @exception[params] // reset response - response.fields().clear(); + response->fields().clear(); // 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 tracei(exception_trace); + while(tracei.has_next()) { + Table::element_type row; - if(main_class) { // we've managed to end up with some main_class - // maybe we'd be lucky enough as to report an error - // 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; + StringPtr name=tracei.next(); + *row+=name; // name column #ifndef NO_STRING_ORIGIN - if(problem_source && problem_source->size()) { - const Origin& origin=problem_source->origin(); - if(origin.file) { - char *buf=(char *)malloc(MAX_STRING); - size_t buf_size=snprintf(buf, MAX_STRING, "%s(%d):", - origin.file, 1+origin.line); - String *origin_file_line=NEW String(pool(), - buf, buf_size, true); - origin_value=NEW VString(*origin_file_line); - } + const String_fragment::Origin& origin=name->origin(); + if(origin.file) { + *row+=StringPtr(new String(origin.file, 0, true)); // file column + char *buf=(char *)malloc(MAX_NUMBER); + size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line); + *row+=StringPtr(new String(buf, buf_size, true)); // line column } #endif - frame.store_param(method->name, - 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); + *stack_trace+=row; } + 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? @@ -443,207 +443,226 @@ void Request::core(const char *root_auto // make up result: $origin $source $comment $type $code char *buf=(char *)malloc(MAX_STRING); size_t printed=0; - const String *problem_source=e.problem_source(); - if(problem_source) { + if(StringPtr problem_source=e.problem_source()) { #ifndef NO_STRING_ORIGIN - const Origin& origin=problem_source->origin(); + const String_fragment::Origin& origin=problem_source->origin(); if(origin.file) - printed+=snprintf(buf+printed, MAX_STRING-printed, "%s(%d): ", - origin.file, 1+origin.line); + printed+=snprintf(buf+printed, MAX_STRING-printed, + ORIGIN_FILE_LINE_FORMAT": ", + origin.file, 1+origin.line + ); #endif printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", - problem_source->cstr(String::UL_AS_IS)); - } - 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)); + 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(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE))); + response->fields().put(content_type_name, + ValuePtr(new VString(StringPtr(new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))))); // future $response:body - body_string=NEW String(pool(), buf); + body_string=StringPtr(new String(buf)); } - VString body_vstring(*body_string); - const VFile *body_file=body_vstring.as_vfile(); + VString body_vstring(body_string); + VFilePtr body_file=body_vstring.as_vfile(); // ERROR. write it out - output_result(*body_file, header_only); - } - CATCH(e) { - // exception in request exception handler - // remember to rethrow it - rethrow_me=e; need_rethrow=true; + output_result(body_file, header_only, false); + } catch(const Exception& ) { + rethrow; } - 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, - bool ignore_class_path, bool fail_on_read_problem, - const String *name, - VStateless_class *base_class) { +VStateless_classPtr Request::use_file(VStateless_class& aclass, + StringPtr file_name, bool ignore_class_path, + bool fail_on_read_problem, bool fail_on_file_absence) { // cyclic dependence check if(used_files.get(file_name)) - return base_class; - used_files.put(file_name, (Hash::Val *)true); + return 0; + used_files.put(file_name, true); - const String *file_spec; - if(ignore_class_path || file_name.first_char()=='/') { - // ignore_class_path | absolute path, no need to scan MAIN:class_path - file_spec=&file_name; - } else { - file_spec=0; - if(main_class) - if(Value *element=main_class->get_element(*class_path_name)) - if(Table *table=element->get_table()) { - int size=table->size(); - for(int i=size; i--; ) { - const String& path=*static_cast(table->get(i))->get_string(0); - String *test_file_spec=NEW String(path); - *test_file_spec << "/"; - *test_file_spec << file_name; - if(file_readable(*test_file_spec)) { - file_spec=test_file_spec; // found along class_path - break; - } - } - if(!file_spec) - THROW(0, 0, - &file_name, - "not found along " CLASS_PATH_NAME); - } + 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(0, 0, - &file_name, - "can not be found because no " CLASS_PATH_NAME " were specified"); + 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"); } - 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); + if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for + if(!entry_exists(file_spec)) + return 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 0; } -VStateless_class *Request::use_buf(const char *source, const char *file, - VStateless_class *aclass, const String *name, - VStateless_class *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)); + // 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 - execute_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/); + // locate and execute possible @conf[] static + 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; } -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); - if(!rsplit(lpath, '/')) - strcpy(lpath, "."); - String& result=*NEW String(pool(), lpath); - result << "/" << relative_name; +StringPtr Request::relative(const char* apath, StringPtr relative_name) { + char *hpath=pool().copy(apath); + StringPtr result(new String); + if(rsplit(hpath, '/')) // if something/splitted + *result << hpath << "/"; + *result << relative_name; return result; } -const String& Request::absolute(const String& relative_name) { - char *relative_name_cstr=relative_name.cstr(); - if(relative_name_cstr[0]=='/') { - String& result=*NEW String(pool(), info.document_root); - result << relative_name; +StringPtr Request::absolute(StringPtr relative_name) { + if(relative_name->first_char()=='/') { + StringPtr result=StringPtr(new String(request_info.document_root)); + *result << relative_name; return result; } 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, - void *info) { - String *attribute_to_exclude=static_cast(info); - if(aattribute==*attribute_to_exclude) +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; - Value& lmeaning=*static_cast(ameaning); - Pool& pool=lmeaning.pool(); - - SAPI::add_header_attribute(pool, - aattribute.cstr(String::UL_AS_IS), - attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr()); + 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(const VFile& body_file, bool header_only) { +void Request::output_result(VFilePtr body_file, bool header_only, bool as_attachment) { // header: cookies - cookie.output_result(); + cookie->output_result(pool(), sapi_info); + ValuePtr body_file_content_type; // set content-type - if(String *body_file_content_type=static_cast( - body_file.fields().get(*vfile_mime_type_name))) { + if(body_file_content_type=body_file->fields().get(content_type_name)) { // body file content type - response.fields().put(*content_type_name, body_file_content_type); + response->fields().put(content_type_name, body_file_content_type); } else { // default content type - response.fields().put_dont_replace(*content_type_name, - default_content_type?default_content_type - :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE))); + response->fields().put_dont_replace(content_type_name, + ValuePtr(new VString(StringPtr(new String(DEFAULT_CONTENT_TYPE))))); } // content-disposition - if(VString *vfile_name=static_cast(body_file.fields().get(*name_name))) - if(vfile_name->string()!=NONAME_DAT) { - VHash& vhash=*NEW VHash(pool()); - vhash.hash().put(*content_disposition_filename_name, vfile_name); - response.fields().put(*content_disposition_name, &vhash); + if(ValuePtr vfile_name=body_file->fields().get(name_name)) + if(*vfile_name->get_string(&Pool())!=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 - response.fields().for_each(add_header_attribute, /*excluding*/ body_name); + response->fields().for_each(add_header_attribute, this); - // prepare... - const void *body=body_file.value_ptr(); - size_t content_length=body_file.value_size(); + const void *client_body; + size_t client_content_length; + // 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 - if(content_length) { // useful for redirecting [header "location: http://..."] - char content_length_cstr[MAX_NUMBER]; - snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); - SAPI::add_header_attribute(pool(), "content-length", content_length_cstr); - } + char content_length_cstr[MAX_NUMBER]; + snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length); + SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr); // send header - SAPI::send_header(pool()); + SAPI::send_header(sapi_info); // send body 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(const char *cext=strrchr(user_file_name_cstr, '.')) { - String sext(pool(), ++cext); - if(mime_types->locate(0, sext)) - if(const String *result=mime_types->item(1)) - return *result; + 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(0, 0, + throw Exception("parser.runtime", 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 }