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| version 1.196, 2002/03/27 13:33:32 | version 1.251, 2003/10/02 07:26:47 |
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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, 2002 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| static const char* IDENT_REQUEST_C="$Date$"; | |
| #include "pa_sapi.h" | #include "pa_sapi.h" |
| #include "pa_common.h" | #include "pa_common.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| Line 16 | Line 16 |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_venv.h" | |
| #include "pa_vmath.h" | |
| #include "pa_vstatus.h" | |
| #include "pa_vrequest.h" | |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_vfile.h" | #include "pa_vfile.h" |
| #include "pa_dictionary.h" | #include "pa_dictionary.h" |
| #include "pa_charsets.h" | |
| #include "pa_charset.h" | #include "pa_charset.h" |
| #include "pa_charsets.h" | |
| #include "pa_cache_managers.h" | |
| #include "pa_vmail.h" | |
| #include "pa_vform.h" | |
| #include "pa_vcookie.h" | |
| #include "pa_vresponse.h" | |
| #include "pa_vmemory.h" | |
| // consts | |
| const char* UNHANDLED_EXCEPTION_METHOD_NAME="unhandled_exception"; | |
| /// content type of exception response, when no @MAIN:exception handler defined | /// content type of exception response, when no @MAIN:exception handler defined |
| const char *UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; | const char* UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; |
| /// content type of response when no $MAIN:defaults.content-type defined | /// content type of response when no $MAIN:defaults.content-type defined |
| const char *DEFAULT_CONTENT_TYPE="text/html"; | const char* DEFAULT_CONTENT_TYPE="text/html"; |
| const char *ORIGINS_CONTENT_TYPE="text/plain"; | const char* ORIGINS_CONTENT_TYPE="text/plain"; |
| Methoded *MOP_create(Pool&); | // defines for globals |
| // op.C | |
| VHash& exception2vhash(Pool& pool, const Exception& e); | |
| static void load_charset(const Hash::Key& akey, Hash::Val *avalue, | #define MAIN_METHOD_NAME "main" |
| void *) { | #define AUTO_METHOD_NAME "auto" |
| charsets->load_charset(akey, static_cast<Value *>(avalue)->as_string()); | #define BODY_NAME "body" |
| } | #define EXCEPTION_TYPE_PART_NAME "type" |
| #define EXCEPTION_SOURCE_PART_NAME "source" | |
| #define EXCEPTION_COMMENT_PART_NAME "comment" | |
| #define EXCEPTION_HANDLED_PART_NAME "handled" | |
| // globals | |
| const String main_method_name(MAIN_METHOD_NAME); | |
| const String auto_method_name(AUTO_METHOD_NAME); | |
| const String content_disposition_name(CONTENT_DISPOSITION_NAME); | |
| const String content_disposition_value(CONTENT_DISPOSITION_VALUE); | |
| const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME); | |
| const String body_name(BODY_NAME); | |
| const String exception_type_part_name(EXCEPTION_TYPE_PART_NAME); | |
| const String exception_source_part_name(EXCEPTION_SOURCE_PART_NAME); | |
| const String exception_comment_part_name(EXCEPTION_COMMENT_PART_NAME); | |
| const String exception_handled_part_name(EXCEPTION_HANDLED_PART_NAME); | |
| // defines for statics | |
| #define CHARSETS_NAME "CHARSETS" | |
| #define MIME_TYPES_NAME "MIME-TYPES" | |
| #define ORIGINS_MODE_NAME "ORIGINS" | |
| #define CONF_METHOD_NAME "conf" | |
| #define POST_PROCESS_METHOD_NAME "postprocess" | |
| #define DOWNLOAD_NAME "download" | |
| #define CLASS_PATH_NAME "CLASS_PATH" | |
| // statics | |
| static const String charsets_name(CHARSETS_NAME); | |
| static const String main_class_name(MAIN_CLASS_NAME); | |
| static const String mime_types_name(MIME_TYPES_NAME); | |
| static const String origins_mode_name(ORIGINS_MODE_NAME); | |
| static const String conf_method_name(CONF_METHOD_NAME); | |
| static const String post_process_method_name(POST_PROCESS_METHOD_NAME); | |
| static const String download_name(DOWNLOAD_NAME); | |
| static const String class_path_name(CLASS_PATH_NAME); | |
| // defines | |
| // op.C | |
| VStateless_class& VClassMAIN_create(); | |
| // | // |
| Request::Request(Pool& apool, | Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, |
| Info& ainfo, | String::Language adefault_lang, bool status_allowed): |
| uchar adefault_lang, | // private |
| bool status_allowed) : Pooled(apool), | |
| stack(apool), | |
| OP(*MOP_create(apool)), | |
| env(apool), | |
| status(apool), | |
| form(apool), | |
| math(apool), | |
| request(apool, *this), | |
| response(apool), | |
| cookie(apool), | |
| fclasses(apool), | |
| fdefault_lang(adefault_lang), flang(adefault_lang), | |
| info(ainfo), | |
| post_data(0), post_size(0), | |
| used_files(apool), | |
| default_content_type(0), | |
| mime_types(0), | |
| main_class(0), | |
| fconnection(0), | |
| classes_conf(apool), | |
| anti_endless_execute_recoursion(0), | anti_endless_execute_recoursion(0), |
| exception_trace(apool) | |
| // public | |
| method_frame(0), | |
| rcontext(0), | |
| wcontext(0), | |
| flang(adefault_lang), | |
| fconnection(0), | |
| finterrupted(false), | |
| // public | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| ,sql_connect_time(0),sql_request_time(0) | sql_connect_time(0), |
| #endif | sql_request_time(0), |
| #endif | |
| // public | |
| sapi_info(asapi_info), | |
| request_info(arequest_info), | |
| charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets | |
| main_class(VClassMAIN_create()), | |
| form(*new VForm), | |
| mail(*new VMail), | |
| response(*new VResponse(arequest_info, charsets)), | |
| cookie(*new VCookie), | |
| // private | |
| configure_admin_done(false), | |
| // private defaults | |
| fdefault_lang(adefault_lang), | |
| // private mime types | |
| mime_types(0) | |
| { | { |
| // default charsets | // file_no=0 => unknown |
| pool().set_source_charset(*utf8_charset); | file_list+=String::Body("UNKNOWN"); |
| pool().set_client_charset(*utf8_charset); | file_list+=String::Body("-body of process-"); // pseudo_file_no__process |
| // maybe expire old caches | // maybe expire old caches |
| cache_managers->maybe_expire(); | cache_managers.maybe_expire(); |
| /// directly used | /// directly used |
| // operators | // MAIN class, operators |
| OP.register_directly_used(*this); | classes().put(main_class.name(), &main_class); |
| // classes: | // classes: |
| // table, file, random, mail, image, ... | // table, file, random, mail, image, ... |
| methoded_array->register_directly_used(*this); | methoded_array().register_directly_used(*this); |
| /// methodless | /// methodless |
| // env class | // env class |
| classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env); | classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info)); |
| // status class | // status class |
| if(status_allowed) | if(status_allowed) |
| classes().put(*NEW String(pool(), STATUS_CLASS_NAME), &status); | classes().put(String::Body(STATUS_CLASS_NAME), new VStatus()); |
| // request class | // request class |
| classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request); | classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets)); |
| // cookie class | // cookie class |
| classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); | classes().put(String::Body(COOKIE_CLASS_NAME), &cookie); |
| /// methoded | /// methoded |
| // response class | // response class |
| classes().put(response.get_class()->name(), &response); | classes().put(response.get_class()->name(), &response); |
| /// bases used | /// bases used |
| // form class | // form class |
| classes().put(form.get_class()->base()->name(), &form); | classes().put(form.get_class()->base_class()->name(), &form); |
| // mail class | |
| classes().put(mail.get_class()->base_class()->name(), &mail); | |
| // math class | // math class |
| classes().put(math.get_class()->base()->name(), &math); | { |
| Value& math=*new VMath; | |
| classes().put(math.get_class()->base_class()->name(), &math); | |
| } | |
| // memory class | |
| { | |
| Value& memory=*new VMemory; | |
| classes().put(memory.get_class()->base_class()->name(), &memory); | |
| } | |
| } | } |
| Request::~Request() { | Request::~Request() { |
| #ifdef XML | #ifdef XML |
| // if for some strange reason xml generic errors failed to be reported, free them up | // if for some strange reason xml generic errors failed to be reported, free them up |
| if(const char *xml_generic_errors=xmlGenericErrors()) { | if(const char* xml_generic_errors=xmlGenericErrors()) { |
| SAPI::log(pool(), "warning: unreported xmlGenericErrors: %s", xml_generic_errors); | SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors); |
| free((void *)xml_generic_errors); | free((void *)xml_generic_errors); |
| } | } |
| #endif | #endif |
| } | } |
| Value& Request::get_self() { return method_frame/*always have!*/->self(); } | |
| static void load_charset(HashStringValue::key_type akey, | |
| HashStringValue::value_type avalue, | |
| Request_charsets* charsets) { | |
| const String::Body NAME=String(akey, String::L_CLEAN).change_case(charsets->source(), String::CC_UPPER); | |
| ::charsets.load_charset(*charsets, NAME, avalue->as_string()); | |
| } | |
| void Request::configure_admin(VStateless_class& conf_class) { | |
| if(configure_admin_done) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "parser already configured"); | |
| configure_admin_done=true; | |
| // charsets must only be specified in method_frame config | |
| // so that users would not interfere | |
| /* $MAIN:CHARSETS[ | |
| $.charsetname1[/full/path/to/charset/file.cfg] | |
| ... | |
| ] | |
| */ | |
| if(Value* vcharsets=conf_class.get_element(charsets_name, conf_class, false)) { | |
| if(!vcharsets->is_string()) | |
| if(HashStringValue* charsets=vcharsets->get_hash()) | |
| charsets->for_each(load_charset, &this->charsets); | |
| else | |
| throw Exception("parser.runtime", | |
| 0, | |
| "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash"); | |
| } | |
| // configure method_frame options | |
| // until someone with less privileges have overriden them | |
| methoded_array().configure_admin(*this); | |
| } | |
| /** | /** |
| load MAIN class, execute @main. | load MAIN class, execute @main. |
| Line 126 Request::~Request() { | Line 236 Request::~Request() { |
| @test log stack trace | @test log stack trace |
| */ | */ |
| void Request::core( | void Request::core(const char* config_filespec, bool config_fail_on_read_problem, bool header_only) { |
| 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 | #ifdef RESOURCES_DEBUG |
| //measures | //measures |
| Line 138 struct timeval mt[10]; | Line 245 struct timeval mt[10]; |
| gettimeofday(&mt[0],NULL); | gettimeofday(&mt[0],NULL); |
| #endif | #endif |
| try { | try { |
| char *auto_filespec=(char *)malloc(MAX_STRING); | // loading config |
| if(config_filespec) { | |
| // loading root config | const String& filespec=*new String(config_filespec); |
| if(root_config_filespec) { | use_file(main_class, |
| String& filespec=*NEW String(pool()); | filespec, 0 /*main_alias*/, |
| filespec.APPEND_CLEAN(root_config_filespec, 0, "root_config", 0); | true /*ignore class_path*/, |
| main_class=use_file( | config_fail_on_read_problem, |
| filespec, | true /*file must exist if 'fail on read problem' not set*/); |
| true/*ignore class_path*/, root_config_fail_on_read_problem, | |
| main_class_name, main_class); | |
| } | |
| // charsets must only be specified in root config | |
| // so that users would not interfere | |
| if(main_class) { | |
| /* $MAIN:CHARSETS[ | |
| $.charsetname1[/full/path/to/charset/file.cfg] | |
| ... | |
| ] | |
| */ | |
| if(Value *vcharsets=main_class->get_element(*charsets_name)) { | |
| if(Hash *charsets=vcharsets->get_hash(0)) | |
| charsets->for_each(load_charset); | |
| else | |
| throw Exception(0, 0, | |
| &vcharsets->name(), | |
| "must be hash"); | |
| } | |
| } | |
| // configure root options | |
| // until someone with less privileges have overriden them | |
| OP.configure_admin(*this); | |
| 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( | |
| filespec, | |
| true/*ignore class_path*/, site_config_fail_on_read_problem, | |
| main_class_name, main_class); | |
| } | } |
| // loading auto.p files from document_root/.. | // loading auto.p files from document_root/.. |
| // to the one beside requested file. | // to the one beside requested file. |
| // all assigned bases from upper dir | // all assigned bases from upper dir |
| { | { |
| const char *after=info.path_translated; | const char* after=request_info.path_translated; |
| size_t drlen=strlen(info.document_root); | size_t drlen=strlen(request_info.document_root); |
| if(memcmp(after, info.document_root, drlen)==0) { | if(memcmp(after, request_info.document_root, drlen)==0) { |
| after+=drlen; | after+=drlen; |
| if(after[-1]=='/') | if(after[-1]=='/') |
| --after; | --after; |
| } | } |
| int step=0; | int step=0; |
| while(const char *before=strchr(after, '/')) { | while(const char* before=strchr(after, '/')) { |
| String& sfile_spec=*NEW String(pool()); | String& sfile_spec=*new String; |
| if(after!=info.path_translated) { | if(after!=request_info.path_translated) { |
| sfile_spec.APPEND_CLEAN( | sfile_spec.append_strdup( |
| info.path_translated, before-info.path_translated, | request_info.path_translated, before-request_info.path_translated, |
| "path-translated-scanned", step++); | String::L_CLEAN); |
| sfile_spec << "/" AUTO_FILE_NAME; | sfile_spec << "/" AUTO_FILE_NAME; |
| main_class=use_file(sfile_spec, | use_file(main_class, |
| true/*ignore class_path*/, false/*ignore read problem*/, | sfile_spec, |
| main_class_name, main_class); | 0 /*main_alias*/, |
| true /*ignore class_path*/, | |
| true /*fail on read problem*/, | |
| false /*but ignore absence, sole user*/); | |
| } | } |
| after=before+1; | after=before+1; |
| } | } |
| } | } |
| // compile requested file | // compile requested file |
| String& spath_translated=*NEW String(pool()); | String& spath_translated=*new String; |
| spath_translated.APPEND_TAINTED(info.path_translated, 0, "user-request", 0); | spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED); |
| main_class=use_file(spath_translated, | use_file(main_class, |
| true/*ignore class_path*/, true/*don't ignore read problem*/, | spath_translated, |
| main_class_name, main_class); | 0 /*main_alias*/, |
| true /*ignore class_path*/); | |
| // configure not-root=user options | |
| OP.configure_user(*this); | // configure method_frame options if not configured yet |
| methoded_array->configure_user(*this); | if(!configure_admin_done) |
| configure_admin(main_class); | |
| // configure not-method_frame=user options | |
| methoded_array().configure_user(*this); | |
| // $MAIN:MIME-TYPES | // $MAIN:MIME-TYPES |
| if(Value *element=main_class->get_element(*mime_types_name)) | if(Value* element=main_class.get_element(mime_types_name, main_class, false)) |
| if(Table *table=element->get_table()) | if(Table *table=element->get_table()) |
| mime_types=table; | mime_types=table; |
| // filling form fields | // filling form fields |
| form.fill_fields_and_tables(*this); | form.fill_fields_and_tables(charsets, request_info); |
| // filling cookies | // filling cookies |
| cookie.fill_fields(*this); | cookie.fill_fields(request_info); |
| // filling mail received | |
| mail.fill_received(*this); | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measure:after compile | //measure:after compile |
| gettimeofday(&mt[1],NULL); | gettimeofday(&mt[1],NULL); |
| #endif | #endif |
| // execute @main[] | // execute @main[] |
| const String *body_string=execute_virtual_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 Exception(0,0, | throw Exception("parser.runtime", |
| 0, | 0, |
| "'"MAIN_METHOD_NAME"' method not found"); | "'"MAIN_METHOD_NAME"' method not found"); |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| Line 248 gettimeofday(&mt[1],NULL); | Line 332 gettimeofday(&mt[1],NULL); |
| gettimeofday(&mt[2],NULL); | gettimeofday(&mt[2],NULL); |
| #endif | #endif |
| VString body_vstring_before_post_process(*body_string); | // extract response body |
| VString *body_vstring_after_post_process=&body_vstring_before_post_process; | Value* body_value=response.fields().get(download_name); // $response:download? |
| bool as_attachment=body_value!=0; | |
| if(!body_value) | |
| body_value=response.fields().get(body_name); // $response:body | |
| if(!body_value) | |
| body_value=new VString(*body_string); // just result of ^main[] | |
| // @postprocess | // @postprocess |
| if(Value *value=main_class->get_element(*post_process_method_name)) | if(Value* value=main_class.get_element(post_process_method_name, main_class, 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 |
| // @postprocess[data] | // @postprocess[data] |
| VMethodFrame frame(pool(), value->name(), *junction); | VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/); |
| frame.set_self(*main_class); | frame.set_self(main_class); |
| frame.store_param(method->name, | frame.store_param(*body_value); |
| &body_vstring_before_post_process); | body_value=&execute_method(frame, *method).as_value(); |
| body_vstring_after_post_process= | |
| NEW VString(execute_method(frame, *method)); | |
| } | } |
| bool origins_mode=main_class->get_element(*origins_mode_name)!=0; | VFile* body_file=body_value->as_vfile( |
| String::L_UNSPECIFIED, &charsets); | |
| const VFile *body_file=body_vstring_after_post_process->as_vfile( | |
| String::UL_UNSPECIFIED, origins_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(origins_mode) | |
| response.fields().put(*content_type_name, | |
| NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE))); | |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measure:after postprocess | //measure:after postprocess |
| Line 285 gettimeofday(&mt[3],NULL); | Line 362 gettimeofday(&mt[3],NULL); |
| #endif | #endif |
| // OK. write out the result | // OK. write out the result |
| output_result(*body_file, header_only); | output_result(body_file, header_only, as_attachment); |
| #ifdef RESOURCES_DEBUG | #ifdef RESOURCES_DEBUG |
| //measure:after output_result | //measure:after output_result |
| Line 296 double t[10]; | Line 373 double t[10]; |
| for(int i=0;i<10;i++) | for(int i=0;i<10;i++) |
| t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0; | t[i]=mt[i].tv_sec+mt[i].tv_usec/1000000.0; |
| //measure:log2 compile,main,postprocess,output | //measure:log2 compile,main,postprocess,output |
| SAPI::log(pool(), "rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f", | SAPI::log("rmeasure: %s,%.2f,%.2f,%.2f %.2f,%.2f %.2f", |
| info.uri, | request_info.uri, |
| t[1]-t[0], | t[1]-t[0], |
| t[2]-t[1], | t[2]-t[1], |
| t[3]-t[2], | t[3]-t[2], |
| Line 307 t[9]-t[3] | Line 384 t[9]-t[3] |
| #endif | #endif |
| } catch(const Exception& e) { // request handling problem | } catch(const Exception& e) { // request handling problem |
| // we're returning not result, but error explanation | // we're returning not result, but error explanation |
| try { | // try { |
| #define PA_URI_FORMAT "%s: " | |
| #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): " | |
| #define PA_SOURCE_FORMAT "'%s' " | |
| #define PA_COMMENT_TYPE_FORMAT "%s [%s]" | |
| // log the beast | // log the beast |
| const String *problem_source=e.problem_source(); | Request::Exception_details details=get_details(e); |
| if(problem_source && problem_source->size()) | |
| SAPI::log(pool(), | if(details.problem_source) { // do we know the guy? |
| #ifndef NO_STRING_ORIGIN | if(details.trace) { // do whe know where he came from? |
| ORIGIN_FILE_LINE_FORMAT": " | Operation::Origin origin=details.trace.origin(); |
| #endif | SAPI::log(sapi_info, |
| "'%s' %s [%s %s]", | PA_URI_FORMAT |
| #ifndef NO_STRING_ORIGIN | PA_ORIGIN_FILE_POS_FORMAT |
| problem_source->origin().file?problem_source->origin().file:"global", | PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, |
| problem_source->origin().line, | request_info.uri, |
| #endif | file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col, |
| problem_source->cstr(), | details.problem_source->cstr(), |
| e.comment(), | e.comment(), e.type() |
| e.type()?e.type()->cstr():"-", | ); |
| e.code()?e.code()->cstr():"-" | } else |
| ); | SAPI::log(sapi_info, |
| else | PA_URI_FORMAT |
| SAPI::log(pool(), | PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, |
| "%s [%s %s]", | request_info.uri, |
| e.comment(), | details.problem_source->cstr(), |
| e.type()?e.type()->cstr():"-", | e.comment(), e.type() |
| e.code()?e.code()->cstr():"-" | ); |
| } else | |
| SAPI::log(sapi_info, | |
| PA_URI_FORMAT | |
| PA_COMMENT_TYPE_FORMAT, | |
| request_info.uri, | |
| e.comment(), e.type() | |
| ); | ); |
| // reset language to default | // reset language to default |
| Line 340 t[9]-t[3] | Line 427 t[9]-t[3] |
| response.fields().clear(); | response.fields().clear(); |
| // this is what we'd return in $response:body | // this is what we'd return in $response:body |
| const String *body_string=0; | const String* body_string=0; |
| 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( |
| if(Value *value=main_class->get_element(*unhandled_exception_method_name)) | *new String(UNHANDLED_EXCEPTION_METHOD_NAME), |
| if(Junction *junction=value->get_junction()) | main_class, |
| if(const Method *method=junction->method) { | false)) { |
| // preparing to pass parameters to | if(Junction* junction=value->get_junction()) { |
| // @unhandled_exception[exception;stack] | if(const Method *method=junction->method) { |
| VMethodFrame frame(pool(), value->name(), *junction); | // preparing to pass parameters to |
| frame.set_self(*main_class); | // @unhandled_exception[exception;stack] |
| VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/); | |
| // $exception | frame.set_self(main_class); |
| frame.store_param(method->name, &exception2vhash(pool(), e)); | |
| // $stack[^table::set{name origin}] | // $exception |
| Array& stack_trace_columns=*NEW Array(pool()); | frame.store_param(details.vhash); |
| stack_trace_columns+=NEW String(pool(), "name"); | // $stack[^table::set{name origin}] |
| stack_trace_columns+=NEW String(pool(), "file"); | Table::columns_type stack_trace_columns(new ArrayString); |
| stack_trace_columns+=NEW String(pool(), "lineno"); | *stack_trace_columns+=new String("name"); |
| Table& stack_trace=*NEW Table(pool(), 0, &stack_trace_columns); | *stack_trace_columns+=new String("file"); |
| Array_iter tracei(exception_trace); | *stack_trace_columns+=new String("lineno"); |
| while(tracei.has_next()) { | *stack_trace_columns+=new String("colno"); |
| Array& row=*NEW Array(pool()); | Table& stack_trace=*new Table(stack_trace_columns); |
| if(!exception_trace.is_empty()/*signed!*/) | |
| const String *name=(const String *)tracei.next(); | for(size_t i=exception_trace.bottom_index(); i<exception_trace.top_index(); i++) { |
| row+=name; // name column | Trace trace=exception_trace.get(i); |
| #ifndef NO_STRING_ORIGIN | Table::element_type row(new ArrayString); |
| const Origin& origin=name->origin(); | |
| if(origin.file) { | *row+=trace.name(); // name column |
| row+=NEW String(pool(), origin.file, 0, true); // file column | Operation::Origin origin=trace.origin(); |
| char *buf=(char *)malloc(MAX_NUMBER); | if(origin.file_no) { |
| size_t buf_size=snprintf(buf, MAX_NUMBER, "%d", 1+origin.line); | *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' column |
| row+=NEW String(pool(), buf, buf_size, true); // line column | *row+=new String(String::Body::Format(1+origin.line), String::L_CLEAN); // 'lineno' column |
| } | *row+=new String(String::Body::Format(1+origin.col), String::L_CLEAN); // 'colno' column |
| #endif | } |
| stack_trace+=&row; | stack_trace+=row; |
| } | } |
| frame.store_param(method->name, | frame.store_param(*new VTable(&stack_trace)); |
| NEW VTable(pool(), &stack_trace)); | |
| // future $response:body= | |
| // future $response:body= | // execute ^unhandled_exception[exception;stack] |
| // execute ^exception[origin;source;comment;type;code;stack] | body_string=&execute_method(frame, *method).as_string(); |
| 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 |
| // make up result: $origin $source $comment $type $code | // make up result: $origin $source $comment $type $code |
| char *buf=(char *)malloc(MAX_STRING); | char *buf=new(PointerFreeGC) char[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) { | /*const String_fragment::Origin& origin=problem_source->origin(); |
| #ifndef NO_STRING_ORIGIN | |
| const Origin& origin=problem_source->origin(); | |
| if(origin.file) | if(origin.file) |
| printed+=snprintf(buf+printed, MAX_STRING-printed, | printed+=snprintf(buf+printed, MAX_STRING-printed, |
| ORIGIN_FILE_LINE_FORMAT": ", | PA_ORIGIN_FILE_POS_FORMAT, |
| origin.file, 1+origin.line | origin.file, 1+origin.line |
| ); | ); |
| #endif | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", | printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", |
| problem_source->cstr()); | problem_source->cstr().get()); |
| } | */ |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", | |
| e.comment()); | |
| const String *type=e.type(); | |
| if(type) { | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", | |
| type->cstr()); | |
| const String *code=e.code(); | |
| if(code) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s", | |
| code->cstr()); | |
| } | } |
| if(const char* comment=e.comment(true)) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment); | |
| if(const char* type=e.type(true)) | |
| printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type); | |
| // future $response:content-type | // future $response:content-type |
| response.fields().put(*content_type_name, | response.fields().put(content_type_name, |
| NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE))); | new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))); |
| // future $response:body | // future $response:body |
| body_string=NEW String(pool(), buf); | body_string=new String(buf); |
| } | } |
| VString body_vstring(*body_string); | VString body_vstring(*body_string); |
| const VFile *body_file=body_vstring.as_vfile(); | VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets); |
| // ERROR. write it out | // ERROR. write it out |
| output_result(*body_file, header_only); | output_result(body_file, header_only, false); |
| } catch(const Exception& ) { | // } catch(const Exception& ) { |
| /*re*/throw; | // rethrow; |
| } | // } |
| } | } |
| } | } |
| VStateless_class *Request::use_file(const String& file_name, | size_t Request::register_file(String::Body file_spec) { |
| bool ignore_class_path, bool fail_on_read_problem, | file_list+=file_spec; |
| const String *name, | return file_list.count()-1; |
| VStateless_class *base_class) { | } |
| void Request::use_file(VStateless_class& aclass, | |
| const String& file_name, const String* main_alias, | |
| bool ignore_class_path, | |
| bool fail_on_read_problem, | |
| bool fail_on_file_absence) { | |
| // cyclic dependence check | // cyclic dependence check |
| if(used_files.get(file_name)) | if(used_files.get(file_name)) |
| return base_class; | return; |
| used_files.put(file_name, (Hash::Val *)true); | used_files.put(file_name, true); |
| const String *file_spec; | const String* file_spec; |
| if(ignore_class_path) // ignore_class_path? | if(ignore_class_path) // ignore_class_path? |
| file_spec=&file_name; | file_spec=&file_name; |
| else if(file_name.first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH? | else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH] |
| file_spec=&absolute(file_name); | file_spec=&absolute(file_name); |
| else { | else { |
| file_spec=0; | file_spec=0; |
| if(main_class) | if(Value* element=main_class.get_element(class_path_name, main_class, false)) { |
| if(Value *element=main_class->get_element(*class_path_name)) { | if(element->is_string()) { |
| if(element->is_string()) { | file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path? |
| file_spec=file_readable(absolute(element->as_string()), file_name); // found at class_path? | } else if(Table *table=element->get_table()) { |
| } else if(Table *table=element->get_table()) { | int size=table->count(); |
| int size=table->size(); | for(int i=size; i--; ) { |
| for(int i=size; i--; ) { | const String& path=*(*table->get(i))[0]; |
| const String& path=*static_cast<Array *>(table->get(i))->get_string(0); | if(file_spec=file_readable(absolute(path), file_name)) |
| if(file_spec=file_readable(absolute(path), file_name)) | break; // found along class_path |
| break; // found along class_path | } |
| } | } else |
| } else | throw Exception("parser.runtime", |
| throw Exception(0, 0, | 0, |
| &element->name(), | "$" CLASS_PATH_NAME " must be string or table"); |
| "must be string or table"); | if(!file_spec) |
| if(!file_spec) | throw Exception("parser.runtime", |
| throw Exception(0, 0, | &file_name, |
| &file_name, | "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME); |
| "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME); | } |
| } | |
| if(!file_spec) | if(!file_spec) |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &file_name, | &file_name, |
| "usage failed - no " MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified"); | "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified"); |
| } | } |
| char *source=file_read_text(pool(), *file_spec, fail_on_read_problem); | if(fail_on_read_problem && !fail_on_file_absence) // ignore file absence if asked for |
| if(!source) | if(!entry_exists(*file_spec)) |
| return base_class; | return; |
| return use_buf(source, file_spec->cstr(), 0/*new class*/, name, base_class); | if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem)) |
| use_buf(aclass, source, main_alias, register_file(*file_spec)); | |
| } | } |
| VStateless_class *Request::use_buf(const char *source, const char *file, | |
| VStateless_class *aclass, const String *name, | void Request::use_buf(VStateless_class& aclass, |
| VStateless_class *base_class) { | const char* source, const String* main_alias, |
| uint file_no) { | |
| // 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, main_alias, file_no); |
| // locate and execute possible @auto[] static method | // locate and execute possible @conf[] static |
| execute_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/); | VString* vfilespec= |
| return &cclass; | new VString(*new String(file_list[file_no], String::L_TAINTED)); |
| } | Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass, |
| conf_method_name, vfilespec, | |
| const String& Request::relative(const char *apath, const String& relative_name) { | false/*no string result needed*/); |
| int lpath_buf_size=strlen(apath)+1; | if(executed.method) |
| char *lpath=(char *)malloc(lpath_buf_size); | configure_admin(cclass/*, executed.method->name*/); |
| memcpy(lpath, apath, lpath_buf_size); | |
| if(!rsplit(lpath, '/')) | // locate and execute possible @auto[] static |
| strcpy(lpath, "."); | execute_nonvirtual_method(cclass, |
| String& result=*NEW String(pool(), lpath); | auto_method_name, vfilespec, |
| result << "/" << relative_name; | false/*no result needed*/); |
| return result; | } |
| const String& Request::relative(const char* apath, const String& relative_name) { | |
| char *hpath=strdup(apath); | |
| String& result=*new String; | |
| if(rsplit(hpath, '/')) // if something/splitted | |
| result << hpath << "/"; | |
| result << relative_name; | |
| return result; | |
| } | } |
| const String& Request::absolute(const String& relative_name) { | const String& Request::absolute(const String& relative_name) { |
| char *relative_name_cstr=relative_name.cstr(); | if(relative_name.first_char()=='/') { |
| if(relative_name_cstr[0]=='/') { | String& result=*new String(strdup(request_info.document_root)); |
| String& result=*NEW String(pool(), info.document_root); | |
| result << relative_name; | result << relative_name; |
| return result; | return result; |
| } else | } else |
| return relative(info.path_translated, relative_name); | if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx" |
| } | #ifdef WIN32 |
| || relative_name.pos(":")==1 // DRIVE: | |
| static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning, | || relative_name.starts_with("\\\\") // UNC1 |
| void *info) { | || relative_name.starts_with("//") // UNC2 |
| Request& r=*static_cast<Request *>(info); | #endif |
| ) | |
| return relative_name; | |
| else | |
| return relative(request_info.path_translated, relative_name); | |
| } | |
| static void add_header_attribute( | |
| HashStringValue::key_type aattribute, | |
| HashStringValue::value_type ameaning, | |
| Request *r) { | |
| if(aattribute==BODY_NAME | if(aattribute==BODY_NAME |
| || aattribute==DOWNLOAD_NAME | |
| || aattribute==CHARSET_NAME) | || aattribute==CHARSET_NAME) |
| return; | return; |
| Value& lmeaning=*static_cast<Value *>(ameaning); | SAPI::add_header_attribute(r->sapi_info, |
| Pool& pool=lmeaning.pool(); | |
| SAPI::add_header_attribute(pool, | |
| aattribute.cstr(), | aattribute.cstr(), |
| attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr()); | attributed_meaning_to_string(*ameaning, String::L_HTTP_HEADER, false). |
| cstr(String::L_UNSPECIFIED)); | |
| } | } |
| void Request::output_result(const VFile& body_file, bool header_only) { | void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) { |
| // header: cookies | // header: cookies |
| cookie.output_result(); | cookie.output_result(sapi_info); |
| Value* body_file_content_type; | |
| // set content-type | // set content-type |
| if(String *body_file_content_type=static_cast<String *>( | if(body_file_content_type=body_file->fields().get(content_type_name)) { |
| body_file.fields().get(*vfile_mime_type_name))) { | |
| // body file content type | // body file content type |
| response.fields().put(*content_type_name, body_file_content_type); | response.fields().put(content_type_name, body_file_content_type); |
| } else { | } else { |
| // default content type | // default content type |
| response.fields().put_dont_replace(*content_type_name, | response.fields().put_dont_replace(content_type_name, |
| default_content_type?default_content_type | new VString(*new String(DEFAULT_CONTENT_TYPE))); |
| :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE))); | |
| } | } |
| // content-disposition | // content-disposition |
| if(VString *vfile_name=static_cast<VString *>(body_file.fields().get(*name_name))) | if(Value* vfile_name=body_file->fields().get(name_name)) |
| if(vfile_name->string()!=NONAME_DAT) { | if(*vfile_name->get_string()!=NONAME_DAT) { |
| VHash& vhash=*NEW VHash(pool()); | VHash& hash=*new VHash(); |
| vhash.hash(0).put(*content_disposition_filename_name, vfile_name); | HashStringValue &h=hash.hash(); |
| response.fields().put(*content_disposition_name, &vhash); | if(as_attachment) |
| h.put(value_name, new VString(content_disposition_value)); | |
| h.put(content_disposition_filename_name, vfile_name); | |
| response.fields().put(content_disposition_name, &hash); | |
| } | } |
| // prepare header: $response:fields without :body | // prepare header: $response:fields without :body |
| response.fields().for_each(add_header_attribute, this); | response.fields().for_each(add_header_attribute, this); |
| // transcode | // transcode text body when "text/*" or simple result |
| const void *client_body; | if(body_file_content_type) |
| size_t client_content_length; | if(HashStringValue *hash=body_file_content_type->get_hash()) |
| Charset::transcode(pool(), | body_file_content_type=hash->get(value_name); |
| pool().get_source_charset(), body_file.value_ptr(), body_file.value_size(), | String::C output(body_file->value_ptr(), body_file->value_size()); |
| pool().get_client_charset(), client_body, client_content_length | if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0) |
| ); | output=Charset::transcode(output, |
| charsets.source(), | |
| charsets.client()); | |
| // prepare header: content-length | // prepare header: content-length |
| if(client_content_length) { // useful for redirecting [header "location: http://..."] | char content_length_cstr[MAX_NUMBER]; |
| char content_length_cstr[MAX_NUMBER]; | snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length); |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length); | SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr); |
| SAPI::add_header_attribute(pool(), "content-length", content_length_cstr); | |
| } | |
| // send header | // send header |
| SAPI::send_header(pool()); | SAPI::send_header(sapi_info); |
| // send body | // send body |
| if(!header_only) | if(!header_only) |
| SAPI::send_body(pool(), client_body, client_content_length); | SAPI::send_body(sapi_info, output.str, output.length); |
| } | } |
| const String& Request::mime_type_of(const char *user_file_name_cstr) { | const String& Request::mime_type_of(const char* user_file_name_cstr) { |
| if(mime_types) | if(mime_types) |
| if(const char *cext=strrchr(user_file_name_cstr, '.')) { | if(const char* cext=strrchr(user_file_name_cstr, '.')) { |
| String sext(pool(), ++cext); | String sext(++cext); |
| if(mime_types->locate(0, sext)) | Table::Action_options options; |
| if(const String *result=mime_types->item(1)) | if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) |
| return *result; | if(const String* result=mime_types->item(1)) |
| return *result; | |
| else | else |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| mime_types->origin_string(), | 0, |
| "MIME-TYPE table column elements must not be empty"); | MIME_TYPES_NAME " table column elements must not be empty"); |
| } | } |
| return *NEW String(pool(), "application/octet-stream"); | |
| return *new String("application/octet-stream"); | |
| } | |
| #ifdef XML | |
| GdomeDOMString_auto_ptr Request::transcode(const String& s) { | |
| return charsets.source().transcode(s); | |
| } | |
| GdomeDOMString_auto_ptr Request::transcode(const String::Body s) { | |
| return charsets.source().transcode(s); | |
| } | |
| const String& Request::transcode(GdomeDOMString* s) { | |
| return charsets.source().transcode(s); | |
| } | |
| const String& Request::transcode(xmlChar* s) { | |
| return charsets.source().transcode(s); | |
| } | |
| #endif | |
| const Request::Trace Request::Exception_trace::extract_origin(const String*& problem_source) { | |
| Trace result; | |
| if(!is_empty()) { | |
| result=bottom_value(); | |
| if(!problem_source) { // we don't know who trigged the bug? | |
| problem_source=result.name(); // consider the stack-top-guy did that | |
| fbottom++; | |
| } else if(result.name()==problem_source) // it is that same guy? | |
| fbottom++; // throw away that trace | |
| // else stack top contains not us, | |
| // leaving result intact | |
| // it would help ^throw | |
| } | |
| return result; | |
| } | |
| Request::Exception_details Request::get_details(const Exception& e) { | |
| const String* problem_source=e.problem_source(); | |
| Trace trace=exception_trace.extract_origin(problem_source); | |
| VHash& vhash=*new VHash; HashStringValue& hash=vhash.hash(); | |
| // $.type | |
| if(const char* type=e.type(true)) | |
| hash.put(exception_type_part_name, new VString(*new String(type))); | |
| // $.source | |
| if(problem_source) { | |
| String& source=*new String; | |
| source.append(*problem_source, String::L_TAINTED, true/*forced*/); | |
| hash.put(exception_source_part_name, new VString(source)); | |
| } | |
| // $.file lineno colno | |
| if(trace) { | |
| const Operation::Origin origin=trace.origin(); | |
| hash.put(String::Body("file"), | |
| new VString(*new String(file_list[origin.file_no], String::L_TAINTED))); | |
| hash.put(String::Body("lineno"), new VInt(1+origin.line)); | |
| hash.put(String::Body("colno"), new VInt(1+origin.col)); | |
| } | |
| // $.comment | |
| if(const char* comment=e.comment(true)) | |
| hash.put(exception_comment_part_name, | |
| new VString(*new String(comment, 0, true/*tainted*/))); | |
| // $.handled(0) | |
| hash.put(exception_handled_part_name, new VBool(false)); | |
| return Request::Exception_details(trace, problem_source, vhash); | |
| } | } |