|
|
| version 1.42, 2001/03/18 11:58:20 | version 1.237, 2002/10/31 15:01:54 |
|---|---|
| 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) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | */ |
| #include <string.h> | static const char* IDENT_REQUEST_C="$Date$"; |
| #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" | |
| #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"; | |
| // op.C | |
| VClass& VClassMAIN_create(Pool& pool); | |
| // op.C | |
| VHash& exception2vhash(Pool& pool, const Exception& e); | |
| #define NEW_STRING(name, value) name=NEW String(pool()); name->APPEND_CONST(value) | // |
| #define LOCAL_STRING(name, value) String name(pool()); name.APPEND_CONST(value) | |
| Request::Request(Pool& apool, | Request::Request(Pool& apool, |
| Info& ainfo, | Info& ainfo, |
| String::Untaint_lang alang) : Pooled(apool), | uchar adefault_lang, |
| bool status_allowed) : Pooled(apool), | |
| main_method_name(apool, MAIN_METHOD_NAME), | |
| stack(apool), | stack(apool), |
| ROOT(apool), | main_class(VClassMAIN_create(apool)), |
| env(apool), | env(apool), |
| status(apool), | |
| form(apool), | form(apool), |
| mail(apool), | |
| math(apool), | |
| request(apool, *this), | request(apool, *this), |
| response(apool), | response(apool), |
| cookie(apool), | |
| fclasses(apool), | fclasses(apool), |
| flang(alang), | fdefault_lang(adefault_lang), flang(adefault_lang), |
| info(ainfo) | info(ainfo), |
| post_data(0), post_size(0), | |
| used_files(apool), | |
| configure_admin_done(false), | |
| default_content_type(0), | |
| mime_types(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 | |
| , method_frame(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); | // maybe expire old caches |
| // table class | cache_managers->maybe_expire(); |
| classes().put(*table_class_name, table_class); | |
| // table_class->set_name(*table_class_name); | /// directly used |
| // MAIN class, operators | |
| classes().put(main_class.name(), &main_class); | |
| // classes: | |
| // table, file, random, mail, image, ... | |
| methoded_array->register_directly_used(*this); | |
| /// methodless | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(*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); |
| // cookie class | |
| classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); | |
| /// methoded | |
| // response class | // response class |
| classes().put(*response_class_name, &response); | classes().put(response.get_class()->name(), &response); |
| /// bases used | |
| // form class | |
| classes().put(form.get_class()->base_class()->name(), &form); | |
| // mail class | |
| classes().put(mail.get_class()->base_class()->name(), &mail); | |
| // math class | |
| classes().put(math.get_class()->base_class()->name(), &math); | |
| } | |
| 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 | |
| } | |
| Value *Request::get_self() { return method_frame?&method_frame->self():0; } | |
| 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 method_frame config | |
| // so that users would not interfere | |
| /* $MAIN:CHARSETS[ | |
| $.charsetname1[/full/path/to/charset/file.cfg] | |
| ... | |
| ] | |
| */ | |
| if(Value *vcharsets=conf_class.get_element(*charsets_name, conf_class, false)) { | |
| if(Hash *charsets=vcharsets->get_hash(0)) | |
| charsets->for_each(load_charset); | |
| else if(!vcharsets->get_string()) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash"); | |
| } | |
| void Request::core(Exception& system_exception, | // configure method_frame options |
| const char *sys_auto_path1, | // until someone with less privileges have overriden them |
| const char *sys_auto_path2) { | methoded_array->configure_admin(*this); |
| VStateless_class *main_class=0; | } |
| bool need_rethrow=false; Exception rethrow_me; | |
| TRY { | /** |
| load MAIN class, execute @main. | |
| MAIN class consists of all the auto.p files we'd manage to find | |
| plus | |
| 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 *config_filespec, bool 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 config |
| // it consists of all the auto.p files we'd manage to find | if(config_filespec) { |
| // plus | String& filespec=*NEW String(pool()); |
| // the file user requested us to process | filespec.APPEND_CLEAN(config_filespec, 0, "config", 0); |
| // all located classes become children of one another, | use_file(main_class, |
| // composing class we name 'MAIN' | filespec, true/* ignore class_path */, |
| config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */); | |
| // 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( | |
| auto_filespec, false/*ignore possible read problem*/, | |
| main_class_name, main_class); | |
| } | } |
| // loading system auto.p 2 | // loading auto.p files from document_root/.. |
| if(sys_auto_path2) { | // to the one beside requested file. |
| strncpy(auto_filespec, sys_auto_path2, MAX_STRING-strlen(AUTO_FILE_NAME)); | // all assigned bases from upper dir |
| strcat(auto_filespec, AUTO_FILE_NAME); | { |
| main_class=use_file( | const char *after=info.path_translated; |
| auto_filespec, false/*ignore possible read problem*/, | size_t drlen=strlen(info.document_root); |
| main_class_name, main_class); | if(memcmp(after, 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, | |
| "path-translated-scanned", step++); | |
| sfile_spec << "/" AUTO_FILE_NAME; | |
| use_file(main_class, | |
| sfile_spec, true/* ignore class_path */, | |
| true/* fail on read problem */, false/* but ignore absence, sole user */); | |
| } | |
| after=before+1; | |
| } | |
| } | } |
| Value *element; | // compile requested file |
| // $MAIN:limits hash used here, | String& spath_translated=*NEW String(pool()); |
| // until someone with less privileges have overriden them | spath_translated.APPEND_TAINTED(info.path_translated, 0, "user-request", 0); |
| Value *limits=main_class?main_class->get_element(*limits_name):0; | use_file(main_class, |
| // $limits.post_max_size default 10M | spath_translated, true/* ignore class_path */, |
| element=limits?limits->get_element(*post_max_size_name):0; | true/* fail on read problem*/, true/* fail on abscence */); |
| int value=element?(size_t)element->get_double():0; | |
| int post_max_size=value?value:10*0x400*400; | // configure method_frame options if not configured yet |
| if(!configure_admin_done) | |
| //response.fields().put(*content_type_name, TODO); | configure_admin(main_class, 0); |
| form.fill_fields(*this, post_max_size); | // configure not-method_frame=user options |
| methoded_array->configure_user(*this); | |
| // TODO: load site auto.p files, all assigned bases from upper dir | |
| /*char *site_auto_file="Y:\\parser3\\src\\auto.p"; | // $MAIN:MIME-TYPES |
| main_class=use_file( | if(Value *element=main_class.get_element(*mime_types_name, main_class, false)) |
| site_auto_file, false/*ignore possible read problem* /, | if(Table *table=element->get_table()) |
| main_class_name, main_class);*/ | mime_types=table; |
| // $MAIN:defaults | // filling form fields |
| Value *defaults=main_class?main_class->get_element(*defaults_name):0; | form.fill_fields_and_tables(*this); |
| // $defaults.content-type | |
| element=defaults?defaults->get_element(*content_type_name):0; | // filling cookies |
| if(element) | cookie.fill_fields(*this); |
| response.fields().put(*content_type_name, element); | |
| // filling mail received | |
| // there must be some auto.p | mail.fill_received(*this); |
| if(!main_class) | |
| THROW(0,0, | #ifdef RESOURCES_DEBUG |
| 0, | //measure:after compile |
| "no 'auto.p' found (nither system nor any site's)"); | gettimeofday(&mt[1],NULL); |
| #endif | |
| // compiling requested file | |
| main_class=use_file(info.path_translated, true/*don't ignore read problem*/, | |
| main_class_name, main_class); | |
| // 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"); |
| // store 'body' unless response already have one | #ifdef RESOURCES_DEBUG |
| response.fields().put_dont_replace(*body_name, NEW VString(*body_string)); | //measure:after main |
| } | gettimeofday(&mt[2],NULL); |
| CATCH(e) { | #endif |
| TRY { | |
| // we're returning not result, but error explanation | VString body_vstring_before_post_process(*body_string); |
| const String *body_string=0; | VString *body_vstring_after_post_process=&body_vstring_before_post_process; |
| // @postprocess | |
| if(main_class) { // we've managed to end up with some main_class | if(Value *value=main_class.get_element( |
| // maybe we'd be lucky enough as to report an error | *NEW String(pool(), POST_PROCESS_METHOD_NAME), |
| // in a gracefull way... | main_class, |
| if(Value *value=main_class->get_element(*exception_method_name)) | false)) |
| 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] | // @postprocess[data] |
| VMethodFrame frame(pool(), *junction); | VMethodFrame frame(pool(), method->name, *junction, 0/*no parent*/); |
| frame.set_self(*main_class); | frame.set_self(main_class); |
| const String *problem_source=e.problem_source(); | frame.store_param(&body_vstring_before_post_process); |
| // origin | body_vstring_after_post_process= |
| LOCAL_STRING(origin_name, "origin"); | NEW VString(execute_method(frame, *method)); |
| Value *origin_value=0; | } |
| bool lorigins_mode=origins_mode(); | |
| const VFile *body_file=body_vstring_after_post_process->as_vfile( | |
| String::UL_UNSPECIFIED, lorigins_mode); | |
| // extract response body | |
| Value *body_value=static_cast<Value *>( | |
| response.fields().get(*body_name)); | |
| if(body_value) // there is some $response:body | |
| 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 | |
| output_result(*body_file, header_only); | |
| #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", | |
| 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 | #ifndef NO_STRING_ORIGIN |
| if(problem_source) { | ORIGIN_FILE_LINE_FORMAT": " |
| const Origin& origin=problem_source->origin(); | #endif |
| if(origin.file) { | "'%s' %s [%s]", |
| char *buf=(char *)malloc(MAX_STRING); | info.uri, |
| snprintf(buf, MAX_STRING, "%s(%d):", | #ifndef NO_STRING_ORIGIN |
| origin.file, 1+origin.line); | problem_source->origin().file?problem_source->origin().file:"global", |
| String *NEW_STRING(origin_file_line, buf); | problem_source->origin().line, |
| origin_value=NEW VString(*origin_file_line); | |
| } | |
| } | |
| #endif | #endif |
| frame.store_param(origin_name, | problem_source->cstr(), |
| origin_value?origin_value:NEW VUnknown(pool())); | e.comment(), |
| e.type() | |
| ); | |
| else | |
| SAPI::log(pool(), | |
| "%s: " | |
| "%s [%s]", | |
| info.uri, | |
| e.comment(), e.type() | |
| ); | |
| // source | // reset language to default |
| LOCAL_STRING(source_name, "source"); | flang=fdefault_lang; |
| Value *source_value=0; | |
| if(problem_source) | // reset response |
| source_value=NEW VString(*problem_source); | response.fields().clear(); |
| frame.store_param(source_name, | |
| source_value?source_value:NEW VUnknown(pool())); | // this is what we'd return in $response:body |
| const String *body_string=0; | |
| // comment | |
| LOCAL_STRING(comment_name, "comment"); | // maybe we'd be lucky enough as to report an error |
| String *NEW_STRING(comment_value, e.comment()); | // in a gracefull way... |
| frame.store_param(comment_name, | if(Value *value=main_class.get_element( |
| NEW VString(*comment_value)); | *NEW String(pool(), UNHANDLED_EXCEPTION_METHOD_NAME), |
| main_class, | |
| // type | false)) { |
| LOCAL_STRING(type_name, "type"); | if(Junction *junction=value->get_junction()) { |
| Value *type_value; | if(const Method *method=junction->method) { |
| if(e.type()) | // preparing to pass parameters to |
| type_value=NEW VString(*e.type()); | // @unhandled_exception[exception;stack] |
| else | VMethodFrame frame(pool(), method->name, *junction, 0/*no caller*/); |
| type_value=NEW VUnknown(pool()); | frame.set_self(main_class); |
| frame.store_param(type_name, type_value); | |
| // $exception | |
| // code | frame.store_param(&exception2vhash(pool(), e)); |
| LOCAL_STRING(code_name, "code"); | // $stack[^table::set{name origin}] |
| Value *code_value; | Array& stack_trace_columns=*NEW Array(pool()); |
| if(e.code()) | stack_trace_columns+=NEW String(pool(), "name"); |
| code_value=NEW VString(*e.code()); | stack_trace_columns+=NEW String(pool(), "file"); |
| else | stack_trace_columns+=NEW String(pool(), "lineno"); |
| code_value=NEW VUnknown(pool()); | Table& stack_trace=*NEW Table(pool(), 0, &stack_trace_columns); |
| frame.store_param(code_name, code_value); | Array_iter tracei(exception_trace); |
| while(tracei.has_next()) { | |
| { | Array& row=*NEW Array(pool()); |
| Temp_lang temp_lang(*this, | |
| String::Untaint_lang::HTML_TYPO); | const String *name=(const String *)tracei.next(); |
| body_string=execute_method(frame, *method); | row+=name; // name column |
| #ifndef NO_STRING_ORIGIN | |
| const Origin& origin=name->origin(); | |
| if(origin.file) { | |
| row+=NEW String(pool(), 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+=NEW String(pool(), buf, buf_size, true); // line column | |
| } | } |
| #endif | |
| stack_trace+=&row; | |
| } | } |
| frame.store_param(NEW VTable(pool(), &stack_trace)); | |
| // future $response:body= | |
| // execute ^unhandled_exception[exception;stack] | |
| body_string=&execute_method(frame, *method); | |
| } | |
| } | |
| } | } |
| if(!body_string) { // couldn't report an error beautifully? | if(!body_string) { // couldn't report an error beautifully? |
| // doing that ugly | // doing that ugly |
| // assign content-type | |
| String &content_type_value=*NEW String(pool()); | |
| content_type_value.APPEND_CONST("text/plain"); | |
| response.fields().put(*content_type_name, | |
| NEW VString(content_type_value)); | |
| // 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()); | // future $response:content-type |
| const String *code=e.code(); | response.fields().put(*content_type_name, |
| if(code) | NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE))); |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | // future $response:body |
| code->cstr()); | body_string=NEW String(pool(), buf); |
| } | |
| String *error_string=NEW String(pool()); error_string->APPEND_CONST(buf); | |
| body_string=error_string; | |
| } | } |
| // store 'body' overwriting any response already had | VString body_vstring(*body_string); |
| response.fields().put(*body_name, NEW VString(*body_string)); | const VFile *body_file=body_vstring.as_vfile(); |
| } | |
| CATCH(e) { | // ERROR. write it out |
| // exception in request exception handler | output_result(*body_file, header_only); |
| // remember to rethrow it | } catch(const Exception& ) { |
| rethrow_me=e; need_rethrow=true; | /*re*/throw; |
| } | } |
| 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? | VStateless_class *Request::use_file(VStateless_class& aclass, |
| system_exception._throw(rethrow_me.type(), rethrow_me.code(), | const String& file_name, bool ignore_class_path, |
| rethrow_me.problem_source(), | bool fail_on_read_problem, bool fail_on_file_absence) { |
| rethrow_me.comment()); | // cyclic dependence check |
| if(used_files.get(file_name)) | |
| return 0; | |
| 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(Value *element=main_class.get_element(*class_path_name, main_class, false)) { | |
| if(element->is_string()) { | |
| file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path? | |
| } else if(Table *table=element->get_table()) { | |
| int size=table->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"); | |
| } | |
| } | if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for |
| if(!entry_exists(*file_spec)) | |
| return 0; | |
| VStateless_class *Request::use_file( | char *source=file_read_text(pool(), *file_spec, fail_on_read_problem); |
| const char *file, bool fail_on_read_problem, | |
| const String *name, | |
| VStateless_class *base_class) { | |
| // TODO: обнаружить|решить cyclic dependences | |
| char *source=file_read(pool(), file, fail_on_read_problem); | |
| if(!source) | if(!source) |
| return base_class; | return 0; |
| return use_buf(source, file, 0/*new class*/, name, base_class); | return use_buf(aclass, source, *file_spec, file_spec->cstr()); |
| } | } |
| VStateless_class *Request::use_buf( | |
| const char *source, const char *file, | VStateless_class *Request::use_buf(VStateless_class& aclass, |
| VStateless_class *aclass, const String *name, | const char *source, |
| VStateless_class *base_class) { | const String& 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, 0); | |
| // temporary zero @auto so to maybe-replace it in compiled code | |
| Temp_method temp_method_auto(aclass, *auto_method_name, 0); | |
| // compile loaded class | // compile loaded class |
| VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file); | VStateless_class& cclass=COMPILE(aclass, source, filespec_cstr); |
| // locate and execute possible @auto[] static method | // locate and execute possible @conf[] static |
| execute_method(cclass, *auto_method_name, false /*no result needed*/); | VString *vfilespec=NEW VString(filespec); |
| const Method *method_called; | |
| execute_nonvirtual_method(cclass, | |
| *conf_method_name, vfilespec, | |
| 0/*no result needed*/, &method_called); | |
| if(method_called) | |
| configure_admin(cclass, &method_called->name); | |
| // locate and execute possible @auto[] static | |
| execute_nonvirtual_method(cclass, | |
| *auto_method_name, vfilespec, | |
| 0/*no result needed*/); | |
| return &cclass; | return &cclass; |
| } | } |
| 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 hpath_buf_size=strlen(apath)+1; |
| char *hpath=(char *)malloc(hpath_buf_size); | |
| // fail_if_junction(true, junction = fail | memcpy(hpath, apath, hpath_buf_size); |
| // fail_if_junction(false, not junction = fail | String& result=*NEW String(pool()); |
| if((value.get_junction()!=0) ^ !is) | if(rsplit(hpath, '/')) // if something/splitted |
| THROW(0, 0, | result << hpath << "/"; |
| &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]=='/') { | if(relative_name.first_char()=='/') { |
| char *result=(char *)malloc(strlen(info.document_root)+strlen(name)+1); | String& result=*NEW String(pool(), info.document_root); |
| strcpy(result, info.document_root); | result << relative_name; |
| strcat(result, name); | |
| return result; | return result; |
| } else | } else |
| return relative(info.uri, name); | return relative(info.path_translated, relative_name); |
| } | |
| 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 | |
| cookie.output_result(); | |
| Value *body_file_content_type; | |
| // set content-type | |
| if(body_file_content_type=static_cast<Value *>( | |
| body_file.fields().get(*content_type_name))) { | |
| // body file content type | |
| response.fields().put(*content_type_name, body_file_content_type); | |
| } else { | |
| // default content type | |
| response.fields().put_dont_replace(*content_type_name, | |
| 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(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); | |
| const void *client_body; | |
| size_t client_content_length; | |
| // transcode text body when "text/*" or simple result | |
| if(body_file_content_type) | |
| if(Hash *hash=body_file_content_type->get_hash(0)) | |
| body_file_content_type=static_cast<Value *>(hash->get(*value_name)); | |
| if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0) { | |
| Charset::transcode(pool(), | |
| pool().get_source_charset(), body_file.value_ptr(), body_file.value_size(), | |
| pool().get_client_charset(), client_body, client_content_length | |
| ); | |
| } else { | |
| client_body=body_file.value_ptr(); | |
| client_content_length=body_file.value_size(); | |
| } | |
| // prepare header: content-length | |
| char content_length_cstr[MAX_NUMBER]; | |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length); | |
| SAPI::add_header_attribute(pool(), "content-length", content_length_cstr); | |
| // 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.change_case(pool(), String::CC_LOWER))) | |
| if(const String *result=mime_types->item(1)) | |
| return *result; | |
| else | |
| throw Exception("parser.runtime", | |
| mime_types->origin_string(), | |
| MIME_TYPES_NAME " table column elements must not be empty"); | |
| } | |
| return *NEW String(pool(), "application/octet-stream"); | |
| } | |
| bool Request::origins_mode() { | |
| return main_class.get_element(*origins_mode_name, main_class, false)!=0; // $ORIGINS mode | |
| } | } |