--- parser3/src/main/pa_request.C 2003/03/25 10:13:57 1.245.2.37.2.14 +++ parser3/src/main/pa_request.C 2003/11/26 12:49:27 1.261 @@ -5,7 +5,7 @@ Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char* IDENT_REQUEST_C="$Date: 2003/03/25 10:13:57 $"; +static const char * const IDENT_REQUEST_C="$Date: 2003/11/26 12:49:27 $"; #include "pa_sapi.h" #include "pa_common.h" @@ -30,6 +30,8 @@ static const char* IDENT_REQUEST_C="$Dat #include "pa_vform.h" #include "pa_vcookie.h" #include "pa_vresponse.h" +#include "pa_vmemory.h" +#include "pa_vconsole.h" // consts @@ -47,6 +49,9 @@ const char* ORIGINS_CONTENT_TYPE="text/p #define MAIN_METHOD_NAME "main" #define AUTO_METHOD_NAME "auto" #define BODY_NAME "body" +#define EXCEPTION_TYPE_PART_NAME "type" +#define EXCEPTION_SOURCE_PART_NAME "source" +#define EXCEPTION_COMMENT_PART_NAME "comment" // globals @@ -56,6 +61,10 @@ const String content_disposition_name(CO 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 @@ -82,12 +91,10 @@ static const String class_path_name(CLAS // op.C VStateless_class& VClassMAIN_create(); -// op.C -VHash& exception2vhash(const Exception& e); // Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, - String::Language adefault_lang, bool status_allowed): + String::Language adefault_lang, bool status_allowed): // private anti_endless_execute_recoursion(0), @@ -96,7 +103,7 @@ Request::Request(SAPI_Info& asapi_info, rcontext(0), wcontext(0), flang(adefault_lang), - fconnection(), + fconnection(0), finterrupted(false), // public @@ -106,12 +113,12 @@ Request::Request(SAPI_Info& asapi_info, #endif // public - sapi_info(asapi_info), request_info(arequest_info), + sapi_info(asapi_info), charsets(UTF8_charset, UTF8_charset, UTF8_charset), // default charsets main_class(VClassMAIN_create()), - form(*new VForm), + form(*new VForm(charsets, arequest_info)), mail(*new VMail), response(*new VResponse(arequest_info, charsets)), cookie(*new VCookie), @@ -124,6 +131,12 @@ Request::Request(SAPI_Info& asapi_info, // private mime types mime_types(0) { + pa_register_thread_request(*this); + + // file_no=0 => unknown + file_list+=String::Body("UNKNOWN"); + file_list+=String::Body("-body of process-"); // pseudo_file_no__process + // maybe expire old caches cache_managers.maybe_expire(); @@ -136,14 +149,16 @@ Request::Request(SAPI_Info& asapi_info, /// methodless // env class - classes().put(StringBody(ENV_CLASS_NAME), new VEnv(asapi_info)); + classes().put(String::Body(ENV_CLASS_NAME), new VEnv(asapi_info)); // status class if(status_allowed) - classes().put(StringBody(STATUS_CLASS_NAME), new VStatus()); + classes().put(String::Body(STATUS_CLASS_NAME), new VStatus()); // request class - classes().put(StringBody(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets)); + classes().put(String::Body(REQUEST_CLASS_NAME), new VRequest(arequest_info, charsets)); // cookie class - classes().put(StringBody(COOKIE_CLASS_NAME), &cookie); + classes().put(String::Body(COOKIE_CLASS_NAME), &cookie); + // console class + classes().put(String::Body(CONSOLE_CLASS_NAME), new VConsole()); /// methoded // response class @@ -159,6 +174,11 @@ Request::Request(SAPI_Info& asapi_info, 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() { @@ -173,8 +193,11 @@ Request::~Request() { Value& Request::get_self() { return method_frame/*always have!*/->self(); } -static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, int) { - ::charsets.load_charset(*new String(akey, String::L_CLEAN), avalue->as_string()); +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) @@ -194,7 +217,7 @@ void Request::configure_admin(VStateless 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, 0); + charsets->for_each(load_charset, &this->charsets); else throw Exception("parser.runtime", 0, @@ -230,8 +253,10 @@ gettimeofday(&mt[0],NULL); if(config_filespec) { const String& filespec=*new String(config_filespec); use_file(main_class, - filespec, true/* ignore class_path */, - config_fail_on_read_problem, true/* file must exist if 'fail on read problem' not set */); + filespec, 0 /*main_alias*/, + true /*ignore class_path*/, + config_fail_on_read_problem, + true /*file must exist if 'fail on read problem' not set*/); } // loading auto.p files from document_root/.. @@ -246,18 +271,20 @@ gettimeofday(&mt[0],NULL); --after; } - int step=0; while(const char* before=strchr(after, '/')) { String& sfile_spec=*new String; if(after!=request_info.path_translated) { - sfile_spec.append( + sfile_spec.append_strdup( request_info.path_translated, before-request_info.path_translated, String::L_CLEAN); 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 */); + sfile_spec, + 0 /*main_alias*/, + true /*ignore class_path*/, + true /*fail on read problem*/, + false /*but ignore absence, sole user*/); } after=before+1; } @@ -265,10 +292,11 @@ gettimeofday(&mt[0],NULL); // compile requested file String& spath_translated=*new String; - spath_translated.append(request_info.path_translated, 0, String::L_TAINTED); + spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED); use_file(main_class, - spath_translated, true/* ignore class_path */, - true/* fail on read problem*/, true/* fail on abscence */); + spath_translated, + 0 /*main_alias*/, + true /*ignore class_path*/); // configure method_frame options if not configured yet if(!configure_admin_done) @@ -282,9 +310,6 @@ gettimeofday(&mt[0],NULL); if(Table *table=element->get_table()) mime_types=table; - // filling form fields - form.fill_fields_and_tables(charsets, request_info); - // filling cookies cookie.fill_fields(request_info); @@ -307,8 +332,14 @@ gettimeofday(&mt[1],NULL); gettimeofday(&mt[2],NULL); #endif - VString& body_vstring_before_post_process=*new VString(*body_string); - VString* body_vstring_after_post_process=&body_vstring_before_post_process; + // extract response body + 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 if(Value* value=main_class.get_element(post_process_method_name, main_class, false)) if(Junction* junction=value->get_junction()) @@ -318,22 +349,12 @@ gettimeofday(&mt[2],NULL); VMethodFrame frame(/*method->name, */ *junction, 0/*no parent*/); frame.set_self(main_class); - frame.store_param(body_vstring_before_post_process); - body_vstring_after_post_process= - new VString(execute_method(frame, *method)); + frame.store_param(*body_value); + body_value=&execute_method(frame, *method).as_value(); } - VFile* body_file=body_vstring_after_post_process->as_vfile( - String::L_UNSPECIFIED); - - // extract response body - Value* body_value=response.fields().get(download_name); - bool as_attachment=body_value!=0; - if(!body_value) - body_value=response.fields().get(body_name); - - if(body_value) // there is some $response:body - body_file=body_value->as_vfile(); + VFile* body_file=body_value->as_vfile( + String::L_UNSPECIFIED, &charsets); #ifdef RESOURCES_DEBUG //measure:after postprocess @@ -363,124 +384,134 @@ 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()) +#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 + Request::Exception_details details=get_details(e); + + if(details.problem_source) { // do we know the guy? + if(details.trace) { // do whe know where he came from? + Operation::Origin origin=details.trace.origin(); SAPI::log(sapi_info, - "%s: " - "'%s' %s [%s]", + PA_URI_FORMAT + PA_ORIGIN_FILE_POS_FORMAT + PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, request_info.uri, - problem_source->cstr(), - e.comment(), - e.type() + file_list[origin.file_no].cstr(), 1+origin.line, 1+origin.col, + details.problem_source->cstr(), + e.comment(), e.type() ); - else + } else SAPI::log(sapi_info, - "%s: " - "%s [%s]", + PA_URI_FORMAT + PA_SOURCE_FORMAT PA_COMMENT_TYPE_FORMAT, request_info.uri, + details.problem_source->cstr(), e.comment(), e.type() ); + } else + SAPI::log(sapi_info, + PA_URI_FORMAT + PA_COMMENT_TYPE_FORMAT, + request_info.uri, + e.comment(), e.type() + ); + + // reset language to default + flang=fdefault_lang; + + // reset response + response.fields().clear(); + + // this is what we'd return in $response:body + const String* body_string=0; + + // maybe we'd be lucky enough as to report an error + // in a gracefull way... + if(Value* value=main_class.get_element( + *new String(UNHANDLED_EXCEPTION_METHOD_NAME), + main_class, + false)) { + if(Junction* junction=value->get_junction()) { + if(const Method *method=junction->method) { +// preparing to pass parameters to +// @unhandled_exception[exception;stack] +VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/); +frame.set_self(main_class); + +// $exception +frame.store_param(details.vhash); +// $stack[^table::set{name origin}] +Table::columns_type stack_trace_columns(new ArrayString); +*stack_trace_columns+=new String("name"); +*stack_trace_columns+=new String("file"); +*stack_trace_columns+=new String("lineno"); +*stack_trace_columns+=new String("colno"); +Table& stack_trace=*new Table(stack_trace_columns); +if(!exception_trace.is_empty()/*signed!*/) +for(size_t i=exception_trace.bottom_index(); iget_junction()) { - if(const Method *method=junction->method) { - // preparing to pass parameters to - // @unhandled_exception[exception;stack] - VMethodFrame frame(/*method->name, */ *junction, 0/*no caller*/); - frame.set_self(main_class); - - // $exception - frame.store_param(exception2vhash(e)); - // $stack[^table::set{name origin}] - Table::columns_type stack_trace_columns(new ArrayString); - *stack_trace_columns+=new String("name"); - *stack_trace_columns+=new String("file"); - *stack_trace_columns+=new String("lineno"); - Table& stack_trace=*new Table(stack_trace_columns); - /*Array_iterator tracei(exception_trace); - while(tracei.has_next()) { - Table::element_type row(new ArrayString); - - const String* name=tracei.next(); - *row+=name; // name column -#ifndef NO_STRING_ORIGIN - const String_fragment::Origin& origin=name->origin(); - if(origin.file) { - *row+=StringBody(origin.file, 0, true)); // file column - *row+=StringBody( - pool().format_integer(1+origin.line), - 0, true)); // line column - } -#endif - *stack_trace+=row; - }*/ - frame.store_param(*new VTable(&stack_trace)); - - // future $response:body= - // execute ^unhandled_exception[exception;stack] - body_string=&execute_method(frame, *method); - } - } - } - - if(!body_string) { // couldn't report an error beautifully? - // doing that ugly - - // make up result: $origin $source $comment $type $code - char *buf=new(PointerFreeGC) char[MAX_STRING]; - size_t printed=0; - if(const String* problem_source=e.problem_source()) { - /*const String_fragment::Origin& origin=problem_source->origin(); - if(origin.file) - printed+=snprintf(buf+printed, MAX_STRING-printed, - ORIGIN_FILE_LINE_FORMAT": ", - origin.file, 1+origin.line - ); - printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", - problem_source->cstr().get()); - */ +// future $response:body= +// execute ^unhandled_exception[exception;stack] +body_string=&execute_method(frame, *method).as_string(); } - if(const char* comment=e.comment(true)) - printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment); - if(const char* type=e.type(true)) - printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type); - - // future $response:content-type - response.fields().put(content_type_name, - new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))); - // future $response:body - body_string=new String(buf); } + } + + if(!body_string) { // couldn't report an error beautifully? + // doing that ugly + + // make up result: $origin $source $comment $type $code + char *buf=new(PointerFreeGC) char[MAX_STRING]; + size_t printed=0; + if(const String* problem_source=e.problem_source()) + printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ", + problem_source->cstr()); + if(const char* comment=e.comment(true)) + printed+=snprintf(buf+printed, MAX_STRING-printed, "%s", comment); + if(const char* type=e.type(true)) + printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s", type); + + // future $response:content-type + response.fields().put(content_type_name, + new VString(*new String(UNHANDLED_EXCEPTION_CONTENT_TYPE))); + // future $response:body + body_string=new String(buf); + } - VString body_vstring(*body_string); - VFile* body_file=body_vstring.as_vfile(); + VString body_vstring(*body_string); + VFile* body_file=body_vstring.as_vfile(String::L_UNSPECIFIED, &charsets); - // ERROR. write it out - output_result(body_file, header_only, false); - } catch(const Exception& ) { - rethrow; - } + // ERROR. write it out + output_result(body_file, header_only, false); } } +size_t Request::register_file(String::Body file_spec) { + file_list+=file_spec; + return file_list.count()-1; +} + void Request::use_file(VStateless_class& aclass, - const String& file_name, bool ignore_class_path, - bool fail_on_read_problem, bool fail_on_file_absence) { + 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 if(used_files.get(file_name)) return; @@ -489,7 +520,7 @@ void Request::use_file(VStateless_class& 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? + else if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH] file_spec=&absolute(file_name); else { file_spec=0; @@ -500,7 +531,7 @@ void Request::use_file(VStateless_class& int size=table->count(); for(int i=size; i--; ) { const String& path=*(*table->get(i))[0]; - if(file_spec=file_readable(absolute(path), file_name)) + if((file_spec=file_readable(absolute(path), file_name))) break; // found along class_path } } else @@ -522,24 +553,25 @@ void Request::use_file(VStateless_class& if(!entry_exists(*file_spec)) return; - if(const char* source=file_read_text(charsets.source(), *file_spec, fail_on_read_problem)) - use_buf(aclass, source, *file_spec, file_spec->cstr()); + if(const char* source=file_read_text(charsets, *file_spec, fail_on_read_problem)) + use_buf(aclass, source, main_alias, register_file(*file_spec)); } void Request::use_buf(VStateless_class& aclass, - const char* source, - const String& filespec, const char* filespec_cstr) { + 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 - VStateless_class& cclass=compile(&aclass, source, filespec_cstr); + VStateless_class& cclass=compile(&aclass, source, main_alias, file_no); // locate and execute possible @conf[] static - VString* vfilespec=new VString(filespec); + VString* vfilespec= + new VString(*new String(file_list[file_no], String::L_TAINTED)); Execute_nonvirtual_method_result executed=execute_nonvirtual_method(cclass, conf_method_name, vfilespec, false/*no string result needed*/); @@ -567,9 +599,16 @@ const String& Request::absolute(const St result << relative_name; return result; } else - return relative_name.pos("://")==STRING_NOT_FOUND? - relative(request_info.path_translated, relative_name) - :relative_name; // something like "http://xxx" + if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx" +#ifdef WIN32 + || relative_name.pos(":")==1 // DRIVE: + || relative_name.starts_with("\\\\") // UNC1 + || relative_name.starts_with("//") // UNC2 +#endif + ) + return relative_name; + else + return relative(request_info.path_translated, relative_name); } static void add_header_attribute( @@ -592,7 +631,7 @@ void Request::output_result(VFile* body_ Value* body_file_content_type; // set content-type - if(body_file_content_type=body_file->fields().get(content_type_name)) { + if((body_file_content_type=body_file->fields().get(content_type_name))) { // body file content type response.fields().put(content_type_name, body_file_content_type); } else { @@ -615,25 +654,19 @@ void Request::output_result(VFile* body_ // 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(HashStringValue *hash=body_file_content_type->get_hash()) body_file_content_type=hash->get(value_name); - if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0) { - Charset::transcode( - charsets.source(), body_file->value_ptr(), body_file->value_size(), - charsets.client(), client_body, client_content_length - ); - } else { - client_body=body_file->value_ptr(); - client_content_length=body_file->value_size(); - } + String::C output(body_file->value_ptr(), body_file->value_size()); + 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 char content_length_cstr[MAX_NUMBER]; - snprintf(content_length_cstr, MAX_NUMBER, "%u", client_content_length); + snprintf(content_length_cstr, MAX_NUMBER, "%u", output.length); SAPI::add_header_attribute(sapi_info, "content-length", content_length_cstr); // send header @@ -641,14 +674,15 @@ void Request::output_result(VFile* body_ // send body if(!header_only) - SAPI::send_body(sapi_info, 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) { if(mime_types) if(const char* cext=strrchr(user_file_name_cstr, '.')) { String sext(++cext); - if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER))) + Table::Action_options options; + if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) if(const String* result=mime_types->item(1)) return *result; else @@ -665,7 +699,7 @@ GdomeDOMString_auto_ptr Request::transco return charsets.source().transcode(s); } -GdomeDOMString_auto_ptr Request::transcode(const StringBody s) { +GdomeDOMString_auto_ptr Request::transcode(const String::Body s) { return charsets.source().transcode(s); } @@ -677,3 +711,59 @@ const String& Request::transcode(xmlChar 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); +}