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| version 1.60, 2001/03/19 22:11:09 | version 1.209, 2002/06/12 11:40:32 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: request class main part. @see compile.C and execute.C. | Parser: request class main part. @see compile.C and execute.C. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | $Id$ |
| */ | */ |
| #include <string.h> | #include "pa_sapi.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_wwrapper.h" | #include "pa_wwrapper.h" |
| #include "pa_vclass.h" | #include "pa_vclass.h" |
| #include "_root.h" | |
| #include "_table.h" | |
| #include "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" | |
| #include "pa_charset.h" | |
| #include "pa_charsets.h" | |
| const char *POST_PROCESS_METHOD_NAME="postprocess"; | |
| const char *UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception"; | |
| /// content type of exception response, when no @MAIN:exception handler defined | |
| const char *UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; | |
| /// content type of response when no $MAIN:defaults.content-type defined | |
| const char *DEFAULT_CONTENT_TYPE="text/html"; | |
| const char *ORIGINS_CONTENT_TYPE="text/plain"; | |
| Methoded *MOP_create(Pool&); | |
| // op.C | |
| VHash& exception2vhash(Pool& pool, const Exception& e); | |
| // | |
| Request::Request(Pool& apool, | Request::Request(Pool& apool, |
| Info& ainfo, | Info& ainfo, |
| String::Untaint_lang adefault_lang) : Pooled(apool), | uchar adefault_lang, |
| bool status_allowed) : Pooled(apool), | |
| main_method_name(apool, MAIN_METHOD_NAME), | |
| stack(apool), | stack(apool), |
| ROOT(apool), | OP(*MOP_create(apool)), |
| env(apool), | env(apool), |
| status(apool), | |
| form(apool), | form(apool), |
| math(apool), | |
| request(apool, *this), | request(apool, *this), |
| response(apool), | response(apool), |
| cookie(apool), | cookie(apool), |
| fclasses(apool), | fclasses(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), | |
| configure_admin_done(false), | |
| default_content_type(0), | |
| mime_types(0), | |
| main_class(0), | |
| fconnection(0), | |
| classes_conf(apool), | |
| anti_endless_execute_recoursion(0), | |
| exception_trace(apool) | |
| #ifdef RESOURCES_DEBUG | |
| , sql_connect_time(0),sql_request_time(0) | |
| #endif | |
| , self(0), root(0), rcontext(0), wcontext(0) | |
| { | { |
| // root superclass, | // default charsets |
| // parent of all classes, | pool().set_source_charset(*utf8_charset); |
| // operators holder | pool().set_client_charset(*utf8_charset); |
| initialize_root_class(pool(), ROOT); | |
| classes().put(*root_class_name, &ROOT); | |
| // table class | |
| classes().put(*table_class_name, table_class); | |
| // maybe expire old caches | |
| cache_managers->maybe_expire(); | |
| /// directly used | |
| // operators | |
| OP.register_directly_used(*this); | |
| // classes: | |
| // table, file, random, mail, image, ... | |
| methoded_array->register_directly_used(*this); | |
| /// methodless | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env); |
| // form class | // status class |
| classes().put(*form_class_name, &form); | if(status_allowed) |
| classes().put(*NEW String(pool(), STATUS_CLASS_NAME), &status); | |
| // request class | // request class |
| classes().put(*request_class_name, &request); | classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request); |
| // response class | |
| classes().put(*response_class_name, &response); | |
| // cookie class | // cookie class |
| classes().put(*cookie_class_name, &cookie); | classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); |
| /// methoded | |
| // response class | |
| classes().put(response.get_class()->name(), &response); | |
| /// bases used | |
| // form class | |
| classes().put(form.get_class()->base()->name(), &form); | |
| // math class | |
| classes().put(math.get_class()->base()->name(), &math); | |
| } | } |
| static void output_response_attribute(const Hash::Key& aattribute, Hash::Val *ameaning, | Request::~Request() { |
| void *info) { | #ifdef XML |
| String *attribute_to_exclude=static_cast<String *>(info); | // if for some strange reason xml generic errors failed to be reported, free them up |
| if(aattribute==*attribute_to_exclude) | if(const char *xml_generic_errors=xmlGenericErrors()) { |
| return; | SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors); |
| free((void *)xml_generic_errors); | |
| } | |
| #endif | |
| } | |
| static void load_charset(const Hash::Key& akey, Hash::Val *avalue, void *) { | |
| charsets->load_charset(akey, static_cast<Value *>(avalue)->as_string()); | |
| } | |
| void Request::configure_admin(VStateless_class& conf_class, const String *source) { | |
| if(configure_admin_done) | |
| throw Exception("parser.runtime", | |
| source, | |
| "parser already configured"); | |
| configure_admin_done=true; | |
| // charsets must only be specified in root config | |
| // so that users would not interfere | |
| String attribute(aattribute.pool()); | /* $MAIN:CHARSETS[ |
| attribute.append(aattribute, String::Untaint_lang::HEADER, true); | $.charsetname1[/full/path/to/charset/file.cfg] |
| ... | |
| ] | |
| */ | |
| if(Value *vcharsets=conf_class.get_element(*charsets_name)) { | |
| if(Hash *charsets=vcharsets->get_hash(0)) | |
| charsets->for_each(load_charset); | |
| else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "$" CHARSETS_NAME " must be hash"); | |
| } | |
| (*service_funcs.output_header_attribute)( | // configure root options |
| attribute.cstr(), | // until someone with less privileges have overriden them |
| attributed_meaning_string(static_cast<Value *>(ameaning)).cstr()); | OP.configure_admin(*this); |
| methoded_array->configure_admin(*this); | |
| } | } |
| 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 |
| bool need_rethrow=false; Exception rethrow_me; | the file user requested us to process |
| TRY { | all located classes become children of one another, |
| composing class we name 'MAIN' | |
| @test log stack trace | |
| */ | |
| 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) { | |
| #ifdef RESOURCES_DEBUG | |
| //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); |
| // 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 | // loading site config |
| if(sys_auto_path2) { | if(site_config_filespec) { |
| strncpy(auto_filespec, sys_auto_path2, MAX_STRING-strlen(AUTO_FILE_NAME)); | String& filespec=*NEW String(pool()); |
| strcat(auto_filespec, AUTO_FILE_NAME); | 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]=='/') | |
| --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, | |
| "path-translated-scanned", step++); | |
| sfile_spec << "/" AUTO_FILE_NAME; | |
| main_class=use_file(sfile_spec, | |
| true/*ignore class_path*/, false/*ignore read problem*/, | |
| main_class_name, main_class); | |
| } | |
| after=before+1; | |
| } | |
| } | |
| form.fill_fields(*this, post_max_size); | // compile requested file |
| cookie.fill_fields(*this); | 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); | |
| // TODO: load site auto.p files, all assigned bases from upper dir | // configure not-root=user options |
| /*char *site_auto_file="Y:\\parser3\\src\\auto.p"; | OP.configure_user(*this); |
| main_class=use_file( | methoded_array->configure_user(*this); |
| site_auto_file, false/*ignore possible read problem* /, | |
| main_class_name, main_class);*/ | // $MAIN:MIME-TYPES |
| if(Value *element=main_class->get_element(*mime_types_name)) | |
| // $MAIN:defaults | if(Table *table=element->get_table()) |
| Value *defaults=main_class?main_class->get_element(*defaults_name):0; | mime_types=table; |
| fdefault_content_type=defaults?defaults->get_element(*content_type_name):0; | |
| // there must be some auto.p | |
| if(!main_class) | |
| THROW(0,0, | |
| 0, | |
| "no 'auto.p' found (nither system nor any site's)"); | |
| // compiling requested file | // filling form fields |
| main_class=use_file(info.path_translated, true/*don't ignore read problem*/, | form.fill_fields_and_tables(*this); |
| main_class_name, main_class); | |
| // filling cookies | |
| cookie.fill_fields(*this); | |
| #ifdef RESOURCES_DEBUG | |
| //measure:after compile | |
| gettimeofday(&mt[1],NULL); | |
| #endif | |
| // execute @main[] | // execute @main[] |
| const String *body_string=execute_method(*main_class, *main_method_name); | const String *body_string=execute_virtual_method(*main_class, main_method_name); |
| if(!body_string) | if(!body_string) |
| THROW(0,0, | throw Exception("parser.runtime", |
| 0, | 0, |
| "'"MAIN_METHOD_NAME"' method not found"); | "'"MAIN_METHOD_NAME"' method not found"); |
| #ifdef RESOURCES_DEBUG | |
| //measure:after main | |
| gettimeofday(&mt[2],NULL); | |
| #endif | |
| 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(*NEW String(pool(), 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(), method->name, *junction); | |
| frame.set_self(*main_class); | |
| frame.store_param(&body_vstring_before_post_process); | |
| body_vstring_after_post_process= | |
| NEW VString(execute_method(frame, *method)); | |
| } | |
| bool lorigins_mode=origins_mode(); | |
| const VFile *body_file=body_vstring_after_post_process->as_vfile( | |
| String::UL_UNSPECIFIED, lorigins_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(lorigins_mode) | |
| response.fields().put(*content_type_name, | |
| NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE))); | |
| #ifdef RESOURCES_DEBUG | |
| //measure:after postprocess | |
| gettimeofday(&mt[3],NULL); | |
| #endif | |
| // OK. write out the result | // OK. write out the result |
| output_result(*body_string); | output_result(*body_file, header_only); |
| } | |
| CATCH(e) { | #ifdef RESOURCES_DEBUG |
| TRY { | //measure:after output_result |
| // we're returning not result, but error explanation | 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", | |
| 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 { | |
| // log the beast | |
| if(const String *problem_source=e.problem_source()) | |
| SAPI::log(pool(), | |
| "%s: " | |
| #ifndef NO_STRING_ORIGIN | |
| ORIGIN_FILE_LINE_FORMAT": " | |
| #endif | |
| "'%s' %s [%s]", | |
| info.uri, | |
| #ifndef NO_STRING_ORIGIN | |
| problem_source->origin().file?problem_source->origin().file:"global", | |
| problem_source->origin().line, | |
| #endif | |
| problem_source->cstr(), | |
| e.comment(), | |
| e.type() | |
| ); | |
| else | |
| SAPI::log(pool(), | |
| "%s: " | |
| "%s [%s]", | |
| info.uri, | |
| e.comment(), e.type() | |
| ); | |
| // reset language to default | // reset language to default |
| flang=fdefault_lang; | flang=fdefault_lang; |
| Line 167 void Request::core(Exception& system_exc | Line 356 void Request::core(Exception& system_exc |
| if(main_class) { // we've managed to end up with some main_class | if(main_class) { // we've managed to end up with some main_class |
| // maybe we'd be lucky enough as to report an error | // maybe we'd be lucky enough as to report an error |
| // in a gracefull way... | // in a gracefull way... |
| if(Value *value=main_class->get_element(*exception_method_name)) | if(Value *value=main_class->get_element( |
| *NEW String(pool(), UNHANDLED_EXCEPTION_METHOD_NAME))) | |
| if(Junction *junction=value->get_junction()) | if(Junction *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 |
| // @exception[origin;source;comment;type;code] | // @unhandled_exception[exception;stack] |
| VMethodFrame frame(pool(), *junction); | VMethodFrame frame(pool(), method->name, *junction); |
| frame.set_self(*main_class); | frame.set_self(*main_class); |
| const String *problem_source=e.problem_source(); | // $exception |
| // origin | frame.store_param(&exception2vhash(pool(), e)); |
| String origin_name(pool(), "origin"); | // $stack[^table::set{name origin}] |
| Value *origin_value=0; | Array& stack_trace_columns=*NEW Array(pool()); |
| stack_trace_columns+=NEW String(pool(), "name"); | |
| stack_trace_columns+=NEW String(pool(), "file"); | |
| stack_trace_columns+=NEW String(pool(), "lineno"); | |
| Table& stack_trace=*NEW Table(pool(), 0, &stack_trace_columns); | |
| Array_iter tracei(exception_trace); | |
| while(tracei.has_next()) { | |
| Array& row=*NEW Array(pool()); | |
| const String *name=(const String *)tracei.next(); | |
| row+=name; // name column | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| if(problem_source) { | const Origin& origin=name->origin(); |
| const Origin& origin=problem_source->origin(); | |
| if(origin.file) { | if(origin.file) { |
| char *buf=(char *)malloc(MAX_STRING); | row+=NEW String(pool(), origin.file, 0, true); // file column |
| snprintf(buf, MAX_STRING, "%s(%d):", | char *buf=(char *)malloc(MAX_NUMBER); |
| origin.file, 1+origin.line); | size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line); |
| String *origin_file_line=NEW String(pool(), | row+=NEW String(pool(), buf, buf_size, true); // line column |
| buf, true); | |
| origin_value=NEW VString(*origin_file_line); | |
| } | } |
| } | |
| #endif | #endif |
| frame.store_param(origin_name, | stack_trace+=&row; |
| origin_value?origin_value:NEW VUnknown(pool())); | |
| // source | |
| String source_name(pool(), "source"); | |
| Value *source_value=0; | |
| if(problem_source) { | |
| String& problem_source_copy=*NEW String(pool()); | |
| problem_source_copy.append(*problem_source, | |
| flang, true); | |
| source_value=NEW VString(problem_source_copy); | |
| } | } |
| frame.store_param(source_name, | frame.store_param(NEW VTable(pool(), &stack_trace)); |
| source_value?source_value:NEW VUnknown(pool())); | |
| // comment | |
| String comment_name(pool(), "comment"); | |
| String *comment_value=NEW String(pool(), | |
| e.comment(), true); | |
| frame.store_param(comment_name, | |
| NEW VString(*comment_value)); | |
| // type | |
| String type_name(pool(), "type"); | |
| Value *type_value; | |
| if(e.type()) { | |
| String& type_copy=*NEW String(pool()); | |
| type_value=NEW VString(type_copy.append(*e.type(), | |
| flang, true)); | |
| } else | |
| type_value=NEW VUnknown(pool()); | |
| frame.store_param(type_name, type_value); | |
| // code | |
| String code_name(pool(), "code"); | |
| Value *code_value; | |
| if(e.code()) { | |
| String& code_copy=*NEW String(pool()); | |
| code_value=NEW VString(code_copy.append(*e.code(), | |
| flang, true)); | |
| } else | |
| code_value=NEW VUnknown(pool()); | |
| frame.store_param(code_name, code_value); | |
| // future $response:body= | // future $response:body= |
| // execute ^exception[origin;source;comment;type;code] | // execute ^exception[origin;source;comment;type;code;stack] |
| body_string=execute_method(frame, *method); | body_string=&execute_method(frame, *method); |
| } | } |
| } | } |
| Line 248 void Request::core(Exception& system_exc | Line 404 void Request::core(Exception& system_exc |
| // 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(const String *problem_source=e.problem_source()) { |
| if(problem_source) { | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| const Origin& origin=problem_source->origin(); | const Origin& origin=problem_source->origin(); |
| if(origin.file) | if(origin.file) |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s(%d): ", | printed+=snprintf(buf+printed, MAX_STRING-printed, |
| origin.file, 1+origin.line); | ORIGIN_FILE_LINE_FORMAT": ", |
| origin.file, 1+origin.line | |
| ); | |
| #endif | #endif |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", |
| problem_source->cstr()); | problem_source->cstr()); |
| } | } |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", | if(const char *comment=e.comment(true)) |
| e.comment()); | printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment); |
| const String *type=e.type(); | if(const char *type=e.type(true)) |
| if(type) { | printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type); |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", | |
| type->cstr()); | |
| const String *code=e.code(); | |
| if(code) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | |
| code->cstr()); | |
| } | |
| // 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(), "text/plain"))); | 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); |
| } | } |
| VString body_vstring(*body_string); | |
| 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(const Exception& ) { |
| CATCH(e) { | /*re*/throw; |
| // exception in request exception handler | |
| // remember to rethrow it | |
| rethrow_me=e; need_rethrow=true; | |
| } | } |
| END_CATCH | |
| } | } |
| END_CATCH // do not use pool() after this point - no exception handler set | |
| // any throw() would try to use zero exception() pointer | |
| if(need_rethrow) // there were an exception set for us to rethrow? | |
| system_exception._throw(rethrow_me.type(), rethrow_me.code(), | |
| rethrow_me.problem_source(), | |
| rethrow_me.comment()); | |
| } | } |
| /// @todo find|solve cyclic dependences | VStateless_class *Request::use_file(const String& file_name, |
| VStateless_class *Request::use_file( | bool ignore_class_path, bool fail_on_read_problem, |
| const char *file, bool fail_on_read_problem, | |
| const String *name, | const String *name, |
| VStateless_class *base_class) { | VStateless_class *base_class) { |
| char *source=file_read(pool(), file, fail_on_read_problem); | // cyclic dependence check |
| 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(absolute(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(absolute(path), file_name)) | |
| break; // found along class_path | |
| } | |
| } else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "$" CLASS_PATH_NAME " must be string or table"); | |
| if(!file_spec) | |
| throw Exception("parser.runtime", | |
| &file_name, | |
| "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME); | |
| } | |
| 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) | 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( | |
| const char *source, const char *file, | VStateless_class *Request::use_buf(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 @conf[] static |
| execute_method(cclass, *auto_method_name, false /*no result needed*/); | const Method *method_called; |
| return &cclass; | execute_nonvirtual_method(cclass, *rootconf_method_name, 0/*no result needed*/, |
| } | &method_called); |
| if(method_called) | |
| /** | configure_admin(cclass, &method_called->name); |
| - fail_if_junction(true, junction = fail | |
| - fail_if_junction(false, not junction = fail | |
| */ | |
| void Request::fail_if_junction_(bool is, | |
| Value& value, const String& method_name, char *msg) { | |
| if((value.get_junction()!=0) ^ !is) | // locate and execute possible @auto[] static |
| THROW(0, 0, | execute_nonvirtual_method(cclass, *auto_method_name, 0/*no result needed*/); |
| &method_name, | return &cclass; |
| msg); | |
| } | } |
| char *Request::relative(const char *path, const char *file) { | const String& Request::relative(const char *apath, const String& relative_name) { |
| char *result=(char *)malloc(strlen(path)+strlen(file)+1); | int lpath_buf_size=strlen(apath)+1; |
| strcpy(result, path); | char *lpath=(char *)malloc(lpath_buf_size); |
| rsplit(result, PATH_DELIMITER_CHAR); | memcpy(lpath, apath, lpath_buf_size); |
| strcat(result, PATH_DELIMITER_STRING); | if(!rsplit(lpath, '/')) |
| strcat(result, file); | strcpy(lpath, "."); |
| String& result=*NEW String(pool(), lpath); | |
| result << "/" << relative_name; | |
| 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.path_translated, 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, |
| void *info) { | |
| Request& r=*static_cast<Request *>(info); | |
| if(aattribute==BODY_NAME | |
| || aattribute==CHARSET_NAME) | |
| return; | |
| Value& lmeaning=*static_cast<Value *>(ameaning); | |
| Pool& pool=lmeaning.pool(); | |
| SAPI::add_header_attribute(pool, | |
| aattribute.cstr(), | |
| attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr()); | |
| } | |
| void Request::output_result(const VFile& body_file, bool header_only) { | |
| // header: cookies | // header: cookies |
| cookie.output_result(); | cookie.output_result(); |
| // set default content-type | // set content-type |
| if(fdefault_content_type) | if(String *body_file_content_type=static_cast<String *>( |
| response.fields().put_dont_replace(*content_type_name, fdefault_content_type); | body_file.fields().get(*vfile_mime_type_name))) { |
| // body file content type | |
| // header: $response:fields without :body | response.fields().put(*content_type_name, body_file_content_type); |
| response.fields().foreach(output_response_attribute, /*excluding*/ body_name); | } else { |
| // default content type | |
| // prepare | response.fields().put_dont_replace(*content_type_name, |
| const char *body=body_string.cstr(); | default_content_type?default_content_type |
| size_t content_length=strlen(body); | :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(0).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, this); | |
| // transcode | |
| const void *client_body; | |
| size_t client_content_length; | |
| Charset::transcode(pool(), | |
| pool().get_source_charset(), body_file.value_ptr(), body_file.value_size(), | |
| pool().get_client_charset(), client_body, client_content_length | |
| ); | |
| // header: content-length | // prepare header: content-length |
| 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", client_content_length); |
| (*service_funcs.output_header_attribute)("content-length", content_length_cstr); | SAPI::add_header_attribute(pool(), "content-length", 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(), client_body, client_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 Exception("parser.runtime", | |
| mime_types->origin_string(), | |
| "MIME-TYPE table column elements must not be empty"); | |
| } | |
| return *NEW String(pool(), "application/octet-stream"); | |
| } | } |