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| version 1.46, 2001/03/18 16:32:25 | version 1.160, 2001/09/30 12:27:59 |
|---|---|
| Line 1 | Line 1 |
| /* | /** @file |
| Parser | Parser: request class main part. @see compile.C and execute.C. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | $Id$ |
| */ | */ |
| #include <string.h> | #include "pa_config_includes.h" |
| #include "pcre.h" | |
| #include "internal.h" | |
| extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c | |
| #include "pa_sapi.h" | |
| #include "pa_common.h" | |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_wwrapper.h" | #include "pa_wwrapper.h" |
| #include "pa_common.h" | |
| #include "pa_vclass.h" | #include "pa_vclass.h" |
| #include "_root.h" | |
| #include "_env.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_vtable.h" | |
| #include "pa_vfile.h" | |
| #include "pa_dictionary.h" | |
| #ifdef XML | |
| # include <util/XercesDefs.hpp> | |
| # include <util/TransENameMap.hpp> | |
| # include <util/XML256TableTranscoder.hpp> | |
| # include <util/PlatformUtils.hpp> | |
| #endif | |
| /// 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"; | |
| Methoded *MOP_create(Pool&); | |
| inline 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; | |
| } | |
| inline 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; | |
| } | |
| } | |
| inline unsigned int to_wchar_code(const String *s) { | |
| if(!s || s->size()==0) | |
| return 0; | |
| if(s->size()==1) | |
| return (unsigned int)s->first_char(); | |
| return (unsigned int)s->as_int(); | |
| } | |
| inline bool to_bool(const String *s) { | |
| return s && s->size()!=0; | |
| } | |
| static void element2ctypes(unsigned char c, bool belongs, | |
| unsigned char *tables, unsigned char bit, int group_offset=-1) { | |
| if(!belongs) | |
| return; | |
| unsigned char *ctypes_table=tables+ctypes_offset; | |
| ctypes_table[c]|=bit; | |
| if(group_offset>=0) | |
| tables[cbits_offset+group_offset+c/8] |= 1 << (c%8); | |
| } | |
| static void element2case(unsigned char from, unsigned char to, | |
| unsigned char *tables) { | |
| if(!to) | |
| return; | |
| unsigned char *lcc_table=tables+lcc_offset; | |
| unsigned char *fcc_table=tables+fcc_offset; | |
| lcc_table[from]=to; | |
| fcc_table[from]=to; fcc_table[to]=from; | |
| } | |
| #ifndef DOXYGEN | |
| struct Charset_tables { | |
| // pcre_tables | |
| unsigned char *pcre_tables; | |
| #ifdef XML | |
| // transcoder | |
| XMLCh *fromTable; | |
| XMLTransService::TransRec *toTable; | |
| unsigned int toTableSz; | |
| #endif | |
| }; | |
| #endif | |
| static void ctype_table_row_to_charset_tables(Array::Item *value, void *info) { | |
| Array& row=*static_cast<Array *>(value); | |
| Charset_tables& tables=*static_cast<Charset_tables *>(info); | |
| // char white-space digit hex-digit letter word lowercase unicode1 unicode2 | |
| unsigned int c=to_wchar_code(row.get_string(0)); | |
| // pcre_tables | |
| element2ctypes(c, to_bool(row.get_string(1)), tables.pcre_tables, ctype_space, cbit_space); | |
| element2ctypes(c, to_bool(row.get_string(2)), tables.pcre_tables, ctype_digit, cbit_digit); | |
| element2ctypes(c, to_bool(row.get_string(3)), tables.pcre_tables, ctype_xdigit); | |
| element2ctypes(c, to_bool(row.get_string(4)), tables.pcre_tables, ctype_letter); | |
| element2ctypes(c, to_bool(row.get_string(5)), tables.pcre_tables, ctype_word, cbit_word); | |
| element2case(c, to_wchar_code(row.get_string(6)), tables.pcre_tables); | |
| #ifdef XML | |
| XMLCh unicode1=row.size()>7?(XMLCh)to_wchar_code(row.get_string(7)):0; | |
| XMLCh unicode2=row.size()>8?(XMLCh)to_wchar_code(row.get_string(8)):0; | |
| tables.toTable[tables.toTableSz].intCh=unicode1?unicode1:(XMLCh)c; | |
| tables.toTable[tables.toTableSz].extCh=(XMLByte)c; | |
| tables.toTableSz++; | |
| if(unicode2) { | |
| tables.toTable[tables.toTableSz].intCh=unicode2; | |
| tables.toTable[tables.toTableSz].extCh=(XMLByte)c; | |
| tables.toTableSz++; | |
| } | |
| #endif | |
| } | |
| static int sort_cmp_Trans_rec_intCh(const void *a, const void *b) { | |
| const XMLCh ca=static_cast<const XMLTransService::TransRec *>(a)->intCh; | |
| const XMLCh cb=static_cast<const XMLTransService::TransRec *>(b)->intCh; | |
| // move zeros to end of table | |
| if(ca==0) | |
| return +1; | |
| if(cb==0) | |
| return -1; | |
| return ca-cb; | |
| } | |
| #ifdef XML | |
| template <class TType> class ENameMapFor2 : public ENameMap | |
| { | |
| public : | |
| // ----------------------------------------------------------------------- | |
| // Constructors and Destructor | |
| // ----------------------------------------------------------------------- | |
| ENameMapFor2( | |
| const XMLCh* const encodingName | |
| , const XMLCh* const fromTable | |
| , const XMLTransService::TransRec* const toTable | |
| , const unsigned int toTableSize | |
| ) : ENameMap(encodingName), | |
| ffromTable(fromTable), | |
| ftoTable(toTable), | |
| ftoTableSize(toTableSize) {} | |
| ~ENameMapFor2() {} | |
| // ----------------------------------------------------------------------- | |
| // Implementation of virtual factory method | |
| // ----------------------------------------------------------------------- | |
| virtual XMLTranscoder* makeNew(const unsigned int blockSize) const { | |
| return new TType( | |
| getKey(), | |
| blockSize, | |
| ffromTable, | |
| ftoTable, ftoTableSize); | |
| } | |
| private: | |
| const XMLCh* const ffromTable; | |
| const XMLTransService::TransRec* const ftoTable; | |
| const unsigned int ftoTableSize; | |
| private : | |
| // ----------------------------------------------------------------------- | |
| // Unimplemented constructors and operators | |
| // ----------------------------------------------------------------------- | |
| ENameMapFor2(); | |
| ENameMapFor2(const ENameMapFor2<TType>&); | |
| void operator=(const ENameMapFor2<TType>&); | |
| }; | |
| class XML256TableTranscoder2 : public XML256TableTranscoder | |
| { | |
| public : | |
| XML256TableTranscoder2( | |
| const XMLCh* const encodingName | |
| , const unsigned int blockSize | |
| , const XMLCh* const fromTable | |
| , const XMLTransService::TransRec* const toTable | |
| , const unsigned int toTableSize | |
| ) : XML256TableTranscoder(encodingName, blockSize, fromTable, toTable, toTableSize) {} | |
| private : | |
| XML256TableTranscoder2(); | |
| XML256TableTranscoder2(const XML256TableTranscoder2&); | |
| void operator=(const XML256TableTranscoder2&); | |
| }; | |
| #endif | |
| static void load_charset(const Hash::Key& akey, Hash::Val *avalue, | |
| void *info) { | |
| Hash& CTYPE=*static_cast<Hash *>(info); | |
| Pool& pool=CTYPE.pool(); | |
| Charset_tables tables={ | |
| // pcre_tables | |
| // lowcase, flipcase, bits digit+word+whitespace, masks | |
| (unsigned char *)pool.calloc(tables_length) // pcre_tables | |
| #ifdef XML | |
| // transcoder | |
| , (XMLCh *)pool.calloc(sizeof(XMLCh)*0x100) // fromTable | |
| , 0 // toTable | |
| , 0 // toTableSz | |
| #endif | |
| }; | |
| prepare_case_tables(tables.pcre_tables); | |
| cstr2ctypes(tables.pcre_tables, (const unsigned char *)"*+?{^.$|()[", ctype_meta); | |
| // fill tables | |
| Value& value=*static_cast<Value *>(avalue); | |
| if(Table *table=value.get_table()) { | |
| #ifdef XML | |
| tables.toTable=(XMLTransService::TransRec *)pool.calloc( | |
| sizeof(XMLTransService::TransRec)*table->size()*2); | |
| #endif | |
| table->for_each(ctype_table_row_to_charset_tables, &tables); | |
| #ifdef XML | |
| // sort by the Unicode code point | |
| _qsort(tables.toTable, tables.toTableSz, sizeof(*tables.toTable), | |
| sort_cmp_Trans_rec_intCh); | |
| #endif | |
| } else | |
| PTHROW(0, 0, | |
| &value.name(), | |
| "must be hash"); | |
| // charset->pcre_tables | |
| CTYPE.put(akey, tables.pcre_tables); | |
| #ifdef XML | |
| // charset->transcoder | |
| XalanDOMString skey(akey.cstr()); | |
| const XMLCh* const auto_encoding_cstr=skey.c_str(); | |
| int size=sizeof(XMLCh)*(skey.size()+1); | |
| XMLCh* pool_encoding_cstr=(XMLCh*)malloc(size); | |
| memcpy(pool_encoding_cstr, auto_encoding_cstr, size); | |
| XMLString::upperCase(pool_encoding_cstr); | |
| XMLPlatformUtils::fgTransService->addEncoding( | |
| pool_encoding_cstr, | |
| new ENameMapFor2<XML256TableTranscoder2>( | |
| pool_encoding_cstr | |
| , tables.fromTable | |
| , tables.toTable | |
| , tables.toTableSz | |
| )); | |
| // delete sencoding; somehow | |
| #endif | |
| } | |
| // | |
| Request::Request(Pool& apool, | Request::Request(Pool& apool, |
| Info& ainfo, | Info& ainfo, |
| String::Untaint_lang adefault_lang) : Pooled(apool), | String::Untaint_lang adefault_lang) : Pooled(apool), |
| stack(apool), | stack(apool), |
| ROOT(apool), | OP(*MOP_create(apool)), |
| env(apool), | env(apool), |
| form(apool), | form(apool), |
| math(apool), | |
| request(apool, *this), | request(apool, *this), |
| response(apool), | response(apool), |
| cookie(apool), | |
| fclasses(apool), | fclasses(apool), |
| CTYPE(apool), | |
| fdefault_lang(adefault_lang), flang(adefault_lang), | fdefault_lang(adefault_lang), flang(adefault_lang), |
| info(ainfo), | info(ainfo), |
| fdefault_content_type(0) | post_data(0), post_size(0), |
| used_files(apool), | |
| default_content_type(0), | |
| mime_types(0), | |
| main_class(0), | |
| connection(0), | |
| classes_conf(apool), | |
| anti_endless_execute_recoursion(0) | |
| { | { |
| // root superclass, | /// directly used |
| // parent of all classes, | // operators |
| // operators holder | OP.register_directly_used(*this); |
| initialize_root_class(pool(), ROOT); | // classes: |
| classes().put(*root_class_name, &ROOT); | // table, file, random, mail, image, ... |
| // table class | methoded_array->register_directly_used(*this); |
| classes().put(*table_class_name, table_class); | |
| // table_class->set_name(*table_class_name); | |
| /// methodless | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env); |
| // form class | |
| classes().put(*form_class_name, &form); | |
| // request class | // request class |
| classes().put(*request_class_name, &request); | classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request); |
| // response class | // cookie class |
| classes().put(*response_class_name, &response); | classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); |
| } | |
| void output_response_attribute(const Hash::Key& akey, Hash::Value *avalue, void *info) { | /// methoded |
| String *key_to_exclude=static_cast<String *>(info); | // response class |
| if(akey==*key_to_exclude || !avalue) | classes().put(response.get_class()->name(), &response); |
| return; | |
| String key(akey); | |
| key.change_lang(String::Untaint_lang::URI); | |
| String value=static_cast<Value *>(avalue)->as_string(); | |
| value.change_lang(String::Untaint_lang::URI); | |
| (*service_funcs.output_header_attribute)( | /// bases used |
| key.cstr(), | // form class |
| value.cstr()); | classes().put(form.get_class()->base()->name(), &form); |
| // math class | |
| classes().put(math.get_class()->base()->name(), &math); | |
| } | } |
| void Request::core(Exception& system_exception, | /** |
| const char *sys_auto_path1, | load MAIN class, execute @main. |
| const char *sys_auto_path2) { | MAIN class consists of all the auto.p files we'd manage to find |
| VStateless_class *main_class=0; | plus |
| the file user requested us to process | |
| all located classes become children of one another, | |
| composing class we name 'MAIN' | |
| */ | |
| void Request::core( | |
| const char *root_config_filespec, bool root_config_fail_on_read_problem, | |
| const char *site_config_filespec, bool site_config_fail_on_read_problem, | |
| bool header_only) { | |
| //_asm { int 3 } | |
| bool need_rethrow=false; Exception rethrow_me; | bool need_rethrow=false; Exception rethrow_me; |
| TRY { | TRY { |
| char *auto_filespec=(char *)malloc(MAX_STRING); | char *auto_filespec=(char *)malloc(MAX_STRING); |
| // load MAIN class, | // loading root config |
| // it consists of all the auto.p files we'd manage to find | if(root_config_filespec) { |
| // plus | String& filespec=*NEW String(pool()); |
| // the file user requested us to process | filespec.APPEND_CLEAN(root_config_filespec, 0, "root_config", 0); |
| // all located classes become children of one another, | |
| // composing class we name 'MAIN' | |
| // loading system auto.p 1 | |
| if(sys_auto_path1) { | |
| strncpy(auto_filespec, sys_auto_path1, MAX_STRING-strlen(AUTO_FILE_NAME)); | |
| strcat(auto_filespec, AUTO_FILE_NAME); | |
| main_class=use_file( | main_class=use_file( |
| auto_filespec, false/*ignore possible read problem*/, | filespec, |
| true/*ignore class_path*/, root_config_fail_on_read_problem, | |
| main_class_name, main_class); | main_class_name, main_class); |
| } | } |
| // loading system auto.p 2 | // configure root options |
| if(sys_auto_path2) { | // until someone with less privileges have overriden them |
| strncpy(auto_filespec, sys_auto_path2, MAX_STRING-strlen(AUTO_FILE_NAME)); | OP.configure_admin(*this); |
| strcat(auto_filespec, AUTO_FILE_NAME); | methoded_array->configure_admin(*this); |
| // loading site config | |
| if(site_config_filespec) { | |
| String& filespec=*NEW String(pool()); | |
| filespec.APPEND_CLEAN(site_config_filespec, 0, "site_config", 0); | |
| main_class=use_file( | main_class=use_file( |
| auto_filespec, false/*ignore possible read problem*/, | filespec, |
| true/*ignore class_path*/, site_config_fail_on_read_problem, | |
| main_class_name, main_class); | main_class_name, main_class); |
| } | } |
| 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=info.path_translated; |
| element=limits?limits->get_element(*post_max_size_name):0; | size_t drlen=strlen(info.document_root); |
| int value=element?(size_t)element->get_double():0; | if(memcmp(after, 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; |
| } | |
| // TODO: load site auto.p files, all assigned bases from upper dir | |
| /*char *site_auto_file="Y:\\parser3\\src\\auto.p"; | int step=0; |
| main_class=use_file( | while(const char *before=strchr(after, '/')) { |
| site_auto_file, false/*ignore possible read problem* /, | String& sfile_spec=*NEW String(pool()); |
| main_class_name, main_class);*/ | if(after!=info.path_translated) { |
| sfile_spec.APPEND_CLEAN( | |
| // $MAIN:defaults | info.path_translated, before-info.path_translated, |
| Value *defaults=main_class?main_class->get_element(*defaults_name):0; | "path-translated-scanned", step++); |
| // $defaults.content-type | sfile_spec << "/" AUTO_FILE_NAME; |
| element=defaults?defaults->get_element(*content_type_name):0; | |
| response.fields().put(*content_type_name, fdefault_content_type=element); | main_class=use_file(sfile_spec, |
| true/*ignore class_path*/, false/*ignore read problem*/, | |
| // there must be some auto.p | main_class_name, main_class); |
| if(!main_class) | } |
| THROW(0,0, | after=before+1; |
| 0, | } |
| "no 'auto.p' found (nither system nor any site's)"); | } |
| // compiling requested file | // compile requested file |
| main_class=use_file(info.path_translated, true/*don't ignore read problem*/, | 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); | 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; | |
| #ifdef XML | |
| // record default charset | |
| if(default_content_type) | |
| if(Hash *hash=default_content_type->get_hash()) | |
| if(Value *vcharset=(Value *)hash->get(*charset_name)) | |
| pool().set_charset(vcharset->as_string()); | |
| #endif | |
| 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 | |
| if(Value *element=main_class->get_element(*mime_types_name)) | |
| if(Table *table=element->get_table()) | |
| mime_types=table; | |
| if(Value *vcharsets=main_class->get_element(*charsets_name)) { | |
| if(Hash *charsets=vcharsets->get_hash()) | |
| charsets->for_each(load_charset, &CTYPE); | |
| else | |
| THROW(0, 0, | |
| &vcharsets->name(), | |
| "must be hash"); | |
| } | |
| // filling form fields | |
| form.fill_fields_and_tables(*this); | |
| // filling cookies | |
| cookie.fill_fields(*this); | |
| // 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(0,0, |
| 0, | 0, |
| "'"MAIN_METHOD_NAME"' method not found"); | "'"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; | |
| // @postprocess | |
| if(Value *value=main_class->get_element(*post_process_method_name)) | |
| if(Junction *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); | |
| frame.store_param(method->name, | |
| &body_vstring_before_post_process); | |
| body_vstring_after_post_process= | |
| NEW VString(*execute_method(frame, *method)); | |
| } | |
| bool origins_mode=main_class->get_element(*origins_mode_name)!=0; | |
| const VFile *body_file=body_vstring_after_post_process->as_vfile( | |
| String::UL_UNSPECIFIED, origins_mode); | |
| // extract response body | // extract response body |
| Value *body_value=static_cast<Value *>( | Value *body_value=static_cast<Value *>( |
| response.fields().get(*body_name)); | response.fields().get(*body_name)); |
| if(body_value) // there is some $request.body | if(body_value) // there is some $response.body |
| body_string=&body_value->as_string();// TODO: IMAGE&FILE | body_file=body_value->as_vfile(); |
| else if(origins_mode) | |
| response.fields().put(*content_type_name, | |
| NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE))); | |
| // OK. write out the result | // OK. write out the result |
| output_result(*body_string); | output_result(*body_file, header_only); |
| } | } |
| CATCH(e) { | CATCH(e) { // request handling problem |
| // we're returning not result, but error explanation | |
| TRY { | TRY { |
| // we're returning not result, but error explanation | // log the beast |
| const String *problem_source=e.problem_source(); | |
| if(problem_source && problem_source->size()) | |
| SAPI::log(pool(), | |
| #ifndef NO_STRING_ORIGIN | |
| "%s(%d): " | |
| #endif | |
| "'%s' %s [%s %s]", | |
| #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), | |
| e.comment(), | |
| e.type()?e.type()->cstr(String::UL_AS_IS):"-", | |
| e.code()?e.code()->cstr(String::UL_AS_IS):"-" | |
| ); | |
| 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):"-" | |
| ); | |
| // 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:content-type | |
| Value *content_type; | |
| // this is what we'd return in $response:body | // this is what we'd return in $response:body |
| const String *body_string=0; | const String *body_string=0; |
| Line 175 void Request::core(Exception& system_exc | Line 525 void Request::core(Exception& system_exc |
| if(const Method *method=junction->method) { | if(const Method *method=junction->method) { |
| // preparing to pass parameters to | // preparing to pass parameters to |
| // @exception[origin;source;comment;type;code] | // @exception[origin;source;comment;type;code] |
| VMethodFrame frame(pool(), *junction); | VMethodFrame frame(pool(), value->name(), *junction); |
| frame.set_self(*main_class); | frame.set_self(*main_class); |
| const String *problem_source=e.problem_source(); | const String *problem_source=e.problem_source(); |
| // origin | // origin |
| String origin_name(pool(), "origin"); | |
| Value *origin_value=0; | Value *origin_value=0; |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| if(problem_source) { | if(problem_source && problem_source->size()) { |
| const Origin& origin=problem_source->origin(); | const Origin& origin=problem_source->origin(); |
| if(origin.file) { | if(origin.file) { |
| char *buf=(char *)malloc(MAX_STRING); | char *buf=(char *)malloc(MAX_STRING); |
| snprintf(buf, MAX_STRING, "%s(%d):", | size_t buf_size=snprintf(buf, MAX_STRING, "%s(%d):", |
| origin.file, 1+origin.line); | origin.file, 1+origin.line); |
| String *origin_file_line=NEW String(pool(), | String *origin_file_line=NEW String(pool(), |
| buf, true); | buf, buf_size, true); |
| origin_value=NEW VString(*origin_file_line); | origin_value=NEW VString(*origin_file_line); |
| } | } |
| } | } |
| #endif | #endif |
| frame.store_param(origin_name, | frame.store_param(method->name, |
| origin_value?origin_value:NEW VUnknown(pool())); | origin_value?origin_value:NEW VVoid(pool())); |
| // source | // source |
| String source_name(pool(), "source"); | |
| Value *source_value=0; | Value *source_value=0; |
| if(problem_source) { | if(problem_source && problem_source->size()) { |
| String& problem_source_copy=*NEW String(*problem_source); | String& problem_source_copy=*NEW String(pool()); |
| problem_source_copy.change_lang(flang); | problem_source_copy.append(*problem_source, |
| flang, true); | |
| source_value=NEW VString(problem_source_copy); | source_value=NEW VString(problem_source_copy); |
| } | } |
| frame.store_param(source_name, | frame.store_param(method->name, |
| source_value?source_value:NEW VUnknown(pool())); | source_value?source_value:NEW VVoid(pool())); |
| // comment | // comment |
| String comment_name(pool(), "comment"); | |
| String *comment_value=NEW String(pool(), | String *comment_value=NEW String(pool(), |
| e.comment(), true); | e.comment(), 0, true); |
| frame.store_param(comment_name, | frame.store_param(method->name, |
| NEW VString(*comment_value)); | NEW VString(*comment_value)); |
| // type | // type |
| String type_name(pool(), "type"); | |
| Value *type_value; | Value *type_value; |
| if(e.type()) { | if(e.type()) { |
| String& type_copy=*NEW String(*e.type()); | String& type_copy=*NEW String(pool()); |
| type_copy.change_lang(flang); | type_value=NEW VString(type_copy.append(*e.type(), |
| type_value=NEW VString(type_copy); | flang, true)); |
| } else | } else |
| type_value=NEW VUnknown(pool()); | type_value=NEW VVoid(pool()); |
| frame.store_param(type_name, type_value); | frame.store_param(method->name, type_value); |
| // code | // code |
| String code_name(pool(), "code"); | |
| Value *code_value; | Value *code_value; |
| if(e.code()) { | if(e.code()) { |
| String& code_copy=*NEW String(*e.code()); | String& code_copy=*NEW String(pool()); |
| code_copy.change_lang(flang); | code_value=NEW VString(code_copy.append(*e.code(), |
| code_value=NEW VString(code_copy); | flang, true)); |
| } else | } else |
| code_value=NEW VUnknown(pool()); | code_value=NEW VVoid(pool()); |
| frame.store_param(code_name, code_value); | frame.store_param(method->name, code_value); |
| // future $response:content-type= | |
| // content-type from any auto.p | |
| content_type=fdefault_content_type; | |
| // future $response:body= | // future $response:body= |
| // execute ^exception[origin;source;comment;type;code] | // execute ^exception[origin;source;comment;type;code] |
| body_string=execute_method(frame, *method); | body_string=execute_method(frame, *method); |
| Line 262 void Request::core(Exception& system_exc | Line 605 void Request::core(Exception& system_exc |
| origin.file, 1+origin.line); | origin.file, 1+origin.line); |
| #endif | #endif |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", |
| problem_source->cstr()); | problem_source->cstr(String::UL_AS_IS)); |
| } | } |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", | printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", |
| e.comment()); | e.comment()); |
| const String *type=e.type(); | const String *type=e.type(); |
| if(type) { | if(type) { |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", | printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", |
| type->cstr()); | type->cstr(String::UL_AS_IS)); |
| const String *code=e.code(); | const String *code=e.code(); |
| if(code) | if(code) |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", |
| code->cstr()); | code->cstr(String::UL_AS_IS)); |
| } | } |
| // future $response:content-type | // future $response:content-type |
| String &content_type_value=*NEW String(pool(), "text/plain"); | response.fields().put(*content_type_name, |
| content_type=NEW VString(content_type_value); | NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE))); |
| // future $response:body | // future $response:body |
| body_string=NEW String(pool(), buf); | body_string=NEW String(pool(), buf); |
| } | } |
| // set $response:content-type | VString body_vstring(*body_string); |
| response.fields().put(*content_type_name, content_type); | const VFile *body_file=body_vstring.as_vfile(); |
| // ERROR. write it out | // ERROR. write it out |
| output_result(*body_string); | output_result(*body_file, header_only); |
| } | } |
| CATCH(e) { | CATCH(e) { |
| // exception in request exception handler | // exception in request exception handler |
| Line 299 void Request::core(Exception& system_exc | Line 642 void Request::core(Exception& system_exc |
| END_CATCH // do not use pool() after this point - no exception handler set | END_CATCH // do not use pool() after this point - no exception handler set |
| // any throw() would try to use zero exception() pointer | // any throw() would try to use zero exception() pointer |
| if(need_rethrow) // there were an exception set for us to rethrow? | if(need_rethrow) // were there an exception for us to rethrow? |
| system_exception._throw(rethrow_me.type(), rethrow_me.code(), | THROW(rethrow_me.type(), rethrow_me.code(), |
| rethrow_me.problem_source(), | rethrow_me.problem_source(), |
| rethrow_me.comment()); | rethrow_me.comment()); |
| } | } |
| VStateless_class *Request::use_file( | VStateless_class *Request::use_file(const String& file_name, |
| const char *file, bool fail_on_read_problem, | bool ignore_class_path, bool fail_on_read_problem, |
| const String *name, | const String *name, |
| VStateless_class *base_class) { | VStateless_class *base_class) { |
| // TODO: обнаружить|решить cyclic dependences | // cyclic dependence check |
| char *source=file_read(pool(), file, fail_on_read_problem); | if(used_files.get(file_name)) |
| return base_class; | |
| used_files.put(file_name, (Hash::Val *)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(main_class) | |
| if(Value *element=main_class->get_element(*class_path_name)) { | |
| if(element->is_string()) { | |
| file_spec=file_readable(element->as_string(), file_name); // found at class_path? | |
| } else if(Table *table=element->get_table()) { | |
| int size=table->size(); | |
| for(int i=size; i--; ) { | |
| const String& path=*static_cast<Array *>(table->get(i))->get_string(0); | |
| if(file_spec=file_readable(path, file_name)) | |
| break; // found along class_path | |
| } | |
| } else | |
| THROW(0, 0, | |
| &element->name(), | |
| "must be string or table"); | |
| if(!file_spec) | |
| THROW(0, 0, | |
| &file_name, | |
| "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME); | |
| } | |
| if(!file_spec) | |
| THROW(0, 0, | |
| &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) | if(!source) |
| return base_class; | return base_class; |
| return use_buf(source, file, 0/*new class*/, name, base_class); | return use_buf(source, file_spec->cstr(), 0/*new class*/, name, base_class); |
| } | } |
| VStateless_class *Request::use_buf( | VStateless_class *Request::use_buf(const char *source, const char *file, |
| const char *source, const char *file, | |
| VStateless_class *aclass, const String *name, | VStateless_class *aclass, const String *name, |
| VStateless_class *base_class) { | VStateless_class *base_class) { |
| // compile loaded class | // compile loaded class |
| VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file); | VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file); |
| // locate and execute possible @auto[] static method | // locate and execute possible @auto[] static method |
| execute_method(cclass, *auto_method_name, false /*no result needed*/); | execute_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/); |
| return &cclass; | return &cclass; |
| } | } |
| void Request::fail_if_junction_(bool is, | const String& Request::relative(const char *apath, const String& relative_name) { |
| Value& value, const String& method_name, char *msg) { | int lpath_buf_size=strlen(apath)+1; |
| char *lpath=(char *)malloc(lpath_buf_size); | |
| // fail_if_junction(true, junction = fail | memcpy(lpath, apath, lpath_buf_size); |
| // fail_if_junction(false, not junction = fail | if(!rsplit(lpath, '/')) |
| if((value.get_junction()!=0) ^ !is) | strcpy(lpath, "."); |
| THROW(0, 0, | String& result=*NEW String(pool(), lpath); |
| &method_name, | result << "/" << relative_name; |
| msg); | |
| } | |
| char *Request::relative(const char *path, const char *file) { | |
| char *result=(char *)malloc(strlen(path)+strlen(file)+1); | |
| strcpy(result, path); | |
| rsplit(result, PATH_DELIMITER_CHAR); | |
| strcat(result, PATH_DELIMITER_STRING); | |
| strcat(result, file); | |
| return result; | return result; |
| } | } |
| char *Request::absolute(const char *name) { | const String& Request::absolute(const String& relative_name) { |
| if(name[0]=='/') { | char *relative_name_cstr=relative_name.cstr(); |
| char *result=(char *)malloc(strlen(info.document_root)+strlen(name)+1); | if(relative_name_cstr[0]=='/') { |
| strcpy(result, info.document_root); | String& result=*NEW String(pool(), info.document_root); |
| strcat(result, name); | result << relative_name; |
| return result; | return result; |
| } else | } else |
| return relative(info.uri, name); | return relative(info.path_translated, relative_name); |
| } | } |
| void Request::output_result(const String& body_string) { | static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning, |
| // header: response fields | void *info) { |
| response.fields().foreach(output_response_attribute, /*excluding*/ body_name); | String *attribute_to_exclude=static_cast<String *>(info); |
| const char *body=body_string.cstr(); | if(aattribute==*attribute_to_exclude) |
| if(size_t content_length=strlen(body)) { | return; |
| // header: content-length | |
| Value& lmeaning=*static_cast<Value *>(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()); | |
| } | |
| void Request::output_result(const VFile& body_file, bool header_only) { | |
| // header: cookies | |
| cookie.output_result(); | |
| // set content-type | |
| if(String *body_file_content_type=static_cast<String *>( | |
| body_file.fields().get(*vfile_mime_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))); | |
| } | |
| // content-disposition | |
| if(VString *vfile_name=static_cast<VString *>(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); | |
| } | |
| // prepare header: $response:fields without :body | |
| response.fields().for_each(add_header_attribute, /*excluding*/ body_name); | |
| // prepare... | |
| const void *body=body_file.value_ptr(); | |
| size_t 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]; | char content_length_cstr[MAX_NUMBER]; |
| snprintf(content_length_cstr, MAX_NUMBER, "%d", content_length); | snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); |
| (*service_funcs.output_header_attribute)("content-length", | SAPI::add_header_attribute(pool(), "content-length", content_length_cstr); |
| content_length_cstr); | |
| // body | |
| (*service_funcs.output_body)(body, content_length); | |
| } | } |
| } | |
| // send header | |
| SAPI::send_header(pool()); | |
| // send body | |
| if(!header_only) | |
| SAPI::send_body(pool(), body, content_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(pool(), ++cext); | |
| if(mime_types->locate(0, sext)) | |
| if(const String *result=mime_types->item(1)) | |
| return *result; | |
| else | |
| THROW(0, 0, | |
| mime_types->origin_string(), | |
| "MIME-TYPE table column elements must not be empty"); | |
| } | |
| return *NEW String(pool(), "application/octet-stream"); | |
| } | |
| unsigned char *Request::pcre_tables() { | |
| if(unsigned char *result=(unsigned char *)CTYPE.get(pool().get_charset())) | |
| return result; | |
| return pcre_default_tables; | |
| } |