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| version 1.385, 2020/10/28 22:43:48 | version 1.407, 2020/12/16 19:45:33 |
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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) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) | Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| Line 25 | Line 25 |
| #include "pa_charset.h" | #include "pa_charset.h" |
| #include "pa_charsets.h" | #include "pa_charsets.h" |
| #include "pa_cache_managers.h" | #include "pa_cache_managers.h" |
| #include "pa_http.h" | |
| #include "pa_vmail.h" | #include "pa_vmail.h" |
| #include "pa_vform.h" | #include "pa_vform.h" |
| #include "pa_vcookie.h" | #include "pa_vcookie.h" |
| Line 44 const char* DEFAULT_CONTENT_TYPE="text/h | Line 45 const char* DEFAULT_CONTENT_TYPE="text/h |
| const uint LOOP_LIMIT=20000; | const uint LOOP_LIMIT=20000; |
| const uint EXECUTE_RECOURSION_LIMIT=1000; | const uint EXECUTE_RECOURSION_LIMIT=1000; |
| const uint HTTPD_TIMEOUT=4; | |
| const size_t FILE_SIZE_LIMIT=512*1024*1024; | const size_t FILE_SIZE_LIMIT=512*1024*1024; |
| // defines for globals | // defines for globals |
| Line 75 static const String origin_key(ORIGIN_KE | Line 77 static const String origin_key(ORIGIN_KE |
| int pa_loop_limit=LOOP_LIMIT; | int pa_loop_limit=LOOP_LIMIT; |
| int pa_execute_recoursion_limit=EXECUTE_RECOURSION_LIMIT; | int pa_execute_recoursion_limit=EXECUTE_RECOURSION_LIMIT; |
| int pa_httpd_timeout=HTTPD_TIMEOUT; | |
| size_t pa_file_size_limit=FILE_SIZE_LIMIT; | size_t pa_file_size_limit=FILE_SIZE_LIMIT; |
| // defines for statics | // defines for statics |
| #define CHARSETS_NAME "CHARSETS" | |
| #define MIME_TYPES_NAME "MIME-TYPES" | #define MIME_TYPES_NAME "MIME-TYPES" |
| #define STRICT_VARS_NAME "STRICT-VARS" | |
| #define PROTOTYPE_NAME "OBJECT-PROTOTYPE" | |
| #define LIMITS_NAME "LIMITS" | |
| #define LOOP_LIMIT_NAME "max_loop" | |
| #define RECOURSION_LIMIT_NAME "max_recoursion" | |
| #define FILE_SIZE_LIMIT_NAME "max_file_size" | |
| #define LOCK_WAIT_TIMEOUT_NAME "lock_wait_timeout" | |
| #define CONF_METHOD_NAME "conf" | |
| #define POST_PROCESS_METHOD_NAME "postprocess" | |
| #define CLASS_PATH_NAME "CLASS_PATH" | #define CLASS_PATH_NAME "CLASS_PATH" |
| #define RESPONSE_BODY_FILE_NAME "file" | |
| #define DOWNLOAD_NAME_UPPER "DOWNLOAD" | #define DOWNLOAD_NAME_UPPER "DOWNLOAD" |
| #define BODY_NAME_UPPER "BODY" | #define BODY_NAME_UPPER "BODY" |
| // statics | // statics |
| static const String charsets_name(CHARSETS_NAME); | |
| static const String main_class_name(MAIN_CLASS_NAME); | static const String main_class_name(MAIN_CLASS_NAME); |
| static const String mime_types_name(MIME_TYPES_NAME); | static const String mime_types_name(MIME_TYPES_NAME); |
| static const String strict_vars_name(STRICT_VARS_NAME); | |
| static const String prototype_name(PROTOTYPE_NAME); | |
| static const String limits_name(LIMITS_NAME); | |
| static const String loop_limit_name(LOOP_LIMIT_NAME); | |
| static const String recoursion_limit_name(RECOURSION_LIMIT_NAME); | |
| static const String file_size_limit_name(FILE_SIZE_LIMIT_NAME); | |
| static const String lock_wait_timeout_name(LOCK_WAIT_TIMEOUT_NAME); | |
| static const String conf_method_name(CONF_METHOD_NAME); | |
| static const String post_process_method_name(POST_PROCESS_METHOD_NAME); | |
| static const String class_path_name(CLASS_PATH_NAME); | static const String class_path_name(CLASS_PATH_NAME); |
| static const String response_body_file_name(RESPONSE_BODY_FILE_NAME); | |
| static const String charsets_name("CHARSETS"); | |
| static const String strict_vars_name("STRICT-VARS"); | |
| static const String prototype_name("OBJECT-PROTOTYPE"); | |
| static const String limits_name("LIMITS"); | |
| static const String loop_limit_name("max_loop"); | |
| static const String recoursion_limit_name("max_recoursion"); | |
| static const String file_size_limit_name("max_file_size"); | |
| static const String lock_wait_timeout_name("lock_wait_timeout"); | |
| static const String httpd_name("HTTPD"); | |
| static const String httpd_timeout_name("timeout"); | |
| static const String httpd_mode_name("mode"); | |
| static const String conf_method_name("conf"); | |
| static const String post_process_method_name("postprocess"); | |
| static const String response_body_file_name("file"); | |
| static const String download_name_upper(DOWNLOAD_NAME_UPPER); | static const String download_name_upper(DOWNLOAD_NAME_UPPER); |
| static const String body_name_upper(BODY_NAME_UPPER); | static const String body_name_upper(BODY_NAME_UPPER); |
| Line 242 static void load_charset(HashStringValue | Line 238 static void load_charset(HashStringValue |
| pa_charsets.load_charset(*charsets, akey, avalue->as_string()); | pa_charsets.load_charset(*charsets, akey, avalue->as_string()); |
| } | } |
| #define CONF_OPTION(config, name, code, exception_name) \ | |
| if(config) \ | |
| if(Value* option=config->get_element(name)) { \ | |
| if(option->is_evaluated_expr()) { \ | |
| code; \ | |
| } else \ | |
| throw Exception(PARSER_RUNTIME, 0, "$main:" exception_name, name.cstr()); \ | |
| } | |
| void Request::configure_admin(VStateless_class& conf_class) { | void Request::configure_admin(VStateless_class& conf_class) { |
| if(configure_admin_done) | if(configure_admin_done) |
| throw Exception(PARSER_RUNTIME, 0, "parser already configured"); | throw Exception(PARSER_RUNTIME, 0, "parser already configured"); |
| Line 260 void Request::configure_admin(VStateless | Line 266 void Request::configure_admin(VStateless |
| if(HashStringValue* charsets=vcharsets->get_hash()) | if(HashStringValue* charsets=vcharsets->get_hash()) |
| charsets->for_each<Request_charsets*>(load_charset, &this->charsets); | charsets->for_each<Request_charsets*>(load_charset, &this->charsets); |
| else | else |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":" CHARSETS_NAME " must be hash"); | throw Exception(PARSER_RUNTIME, 0, "$main:%s must be hash", charsets_name.cstr()); |
| } | } |
| } | } |
| Line 270 void Request::configure_admin(VStateless | Line 276 void Request::configure_admin(VStateless |
| if(strict_vars->is_bool()) | if(strict_vars->is_bool()) |
| VVoid::strict_vars=strict_vars->as_bool(); | VVoid::strict_vars=strict_vars->as_bool(); |
| else | else |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":" STRICT_VARS_NAME " must be bool"); | throw Exception(PARSER_RUNTIME, 0, "$main:%s must be bool", strict_vars_name.cstr()); |
| } | } |
| #endif | #endif |
| Line 280 void Request::configure_admin(VStateless | Line 286 void Request::configure_admin(VStateless |
| if(prototype->is_bool()) | if(prototype->is_bool()) |
| VClass::prototype=prototype->as_bool(); | VClass::prototype=prototype->as_bool(); |
| else | else |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":" PROTOTYPE_NAME " must be bool"); | throw Exception(PARSER_RUNTIME, 0, "$main:%s must be bool", prototype_name.cstr()); |
| } | } |
| #endif | #endif |
| Value* limits=conf_class.get_element(limits_name); | Value* limits=conf_class.get_element(limits_name); |
| pa_loop_limit=LOOP_LIMIT; | pa_loop_limit=LOOP_LIMIT; |
| if(limits) | CONF_OPTION(limits, loop_limit_name, { |
| if(Value* loop_limit=limits->get_element(loop_limit_name)) { | pa_loop_limit=option->as_int(); |
| if(loop_limit->is_evaluated_expr()) { | if(pa_loop_limit==0) pa_loop_limit=INT_MAX; |
| pa_loop_limit=loop_limit->as_int(); | }, "LIMITS.%s must be int"); |
| if(pa_loop_limit==0) pa_loop_limit=INT_MAX; | |
| } else | |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":LIMITS." LOOP_LIMIT_NAME " must be int"); | |
| } | |
| pa_execute_recoursion_limit=EXECUTE_RECOURSION_LIMIT; | pa_execute_recoursion_limit=EXECUTE_RECOURSION_LIMIT; |
| if(limits) | CONF_OPTION(limits, recoursion_limit_name, { |
| if(Value* recoursion_limit=limits->get_element(recoursion_limit_name)) { | pa_execute_recoursion_limit=option->as_int(); |
| if(recoursion_limit->is_evaluated_expr()) { | if(pa_execute_recoursion_limit==0) pa_execute_recoursion_limit=INT_MAX; |
| pa_execute_recoursion_limit=recoursion_limit->as_int(); | }, "LIMITS.%s must be int"); |
| if(pa_execute_recoursion_limit==0) pa_execute_recoursion_limit=INT_MAX; | |
| } else | |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":LIMITS." RECOURSION_LIMIT_NAME " must be int"); | |
| } | |
| pa_file_size_limit=FILE_SIZE_LIMIT; | pa_file_size_limit=FILE_SIZE_LIMIT; |
| if(limits) | CONF_OPTION(limits, file_size_limit_name, { |
| if(Value* file_size_limit=limits->get_element(file_size_limit_name)) { | double limit=option->as_double(); |
| if(file_size_limit->is_evaluated_expr()) { | if(limit >= (double)SSIZE_MAX) |
| double limit=file_size_limit->as_double(); | throw Exception(PARSER_RUNTIME, 0, "$main:LIMITS.%s must be less then %.15g", file_size_limit_name.cstr(), (double)SSIZE_MAX); |
| if(limit >= (double)SSIZE_MAX) | pa_file_size_limit=(size_t)limit; |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":LIMITS." FILE_SIZE_LIMIT_NAME " must be less then %.15g", (double)SSIZE_MAX); | if(pa_file_size_limit==0) |
| pa_file_size_limit=(size_t)limit; | pa_file_size_limit=SSIZE_MAX; |
| if(pa_file_size_limit==0) pa_file_size_limit=SSIZE_MAX; | }, "LIMITS.%s must be number"); |
| } else | |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":LIMITS." FILE_SIZE_LIMIT_NAME " must be number"); | |
| } | |
| pa_lock_attempts=PA_LOCK_ATTEMPTS; | pa_lock_attempts=PA_LOCK_ATTEMPTS; |
| if(limits) | CONF_OPTION(limits, lock_wait_timeout_name, { |
| if(Value* lock_wait_timeout=limits->get_element(lock_wait_timeout_name)) { | double limit=option->as_double(); |
| if(lock_wait_timeout->is_evaluated_expr()) { | if(limit >= 3600*24) |
| double limit=lock_wait_timeout->as_double(); | throw Exception(PARSER_RUNTIME, 0, "$main:LIMITS.%s must be less then %d", lock_wait_timeout_name.cstr(), 3600*24); |
| if(limit >= 3600*24) | pa_lock_attempts=(unsigned int)(limit*2)+1; |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":LIMITS." LOCK_WAIT_TIMEOUT_NAME " must be less then %d", 3600*24); | }, "LIMITS.%s must be number"); |
| pa_lock_attempts=(unsigned int)(limit*2)+1; | |
| } else | Value* httpd=conf_class.get_element(httpd_name); |
| throw Exception(PARSER_RUNTIME, 0, "$" MAIN_CLASS_NAME ":LIMITS." LOCK_WAIT_TIMEOUT_NAME " must be number"); | |
| pa_httpd_timeout=HTTPD_TIMEOUT; | |
| CONF_OPTION(httpd, httpd_timeout_name, { | |
| pa_httpd_timeout=option->as_int(); | |
| if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX; | |
| }, "HTTPD.%s must be int"); | |
| if(httpd) | |
| if(Value* option=httpd->get_element( httpd_mode_name)) { | |
| if(option->get_junction()) | |
| throw Exception(PARSER_RUNTIME, 0, "$main:HTTPD:mode must be string"); | |
| HTTPD_Server::set_mode(option->as_string()); | |
| } | } |
| // configure method_frame options | // configure method_frame options |
| Line 374 const char* Request::get_exception_cstr( | Line 380 const char* Request::get_exception_cstr( |
| return result; | return result; |
| } | } |
| Table &Request::Exception_trace::table(Request &r){ | |
| // $stack[^table::create{name file lineno colno}] | |
| 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(!is_empty()/*signed!*/) | |
| for(size_t i=bottom_index(); i<top_index(); i++) { | |
| Trace trace=get(i); | |
| Table::element_type row(new ArrayString); | |
| *row+=trace.name(); // name column | |
| Operation::Origin origin=trace.origin(); | |
| if(origin.file_no) { | |
| *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' 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 | |
| } | |
| stack_trace+=row; | |
| } | |
| return stack_trace; | |
| } | |
| void Request::configure() { | void Request::configure() { |
| // configure admin options if not configured yet | // configure admin options if not configured yet |
| if(!configure_admin_done) | if(!configure_admin_done) |
| Line 385 void Request::configure() { | Line 418 void Request::configure() { |
| // $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)) |
| if(Table *table=element->get_table()) | if(Table *table=element->get_table()) |
| mime_types=table; | mime_types=table; |
| } | } |
| /** | /** |
| load MAIN class, execute @main. | load MAIN class, execute @main. |
| Line 398 void Request::configure() { | Line 431 void Request::configure() { |
| @test log stack trace | @test log stack trace |
| */ | */ |
| void Request::core(const char* config_filespec, bool header_only) { | void Request::core(const char* config_filespec, bool header_only, const String &amain_method_name) { |
| VFile* body_file=NULL; | |
| bool as_attachment=false; | |
| try { | try { |
| // loading config | // loading config |
| if(config_filespec) | if(config_filespec) |
| use_file_directly(main_class, *new String(config_filespec)); | use_file_directly(*new String(config_filespec)); |
| // filling mail received | // filling mail received |
| mail.fill_received(*this); | mail.fill_received(*this); |
| // loading auto.p files from document_root/.. | |
| // to the one beside requested file. | |
| // all assigned bases from upper dir | |
| { | |
| const char* after=request_info.path_translated; | |
| size_t drlen=strlen(request_info.document_root); | |
| if(memcmp(after, request_info.document_root, drlen)==0) { | |
| after+=drlen; | |
| if(after[-1]=='/') | |
| --after; | |
| } | |
| while(const char* before=strchr(after, '/')) { | |
| String& sfile_spec=*new String; | |
| if(after!=request_info.path_translated) { | |
| sfile_spec.append_strdup(request_info.path_translated, before-request_info.path_translated, String::L_CLEAN); | |
| sfile_spec << "/" AUTO_FILE_NAME; | |
| use_file_directly(main_class, sfile_spec, false /*ignore absence, sole user*/); | |
| } | |
| for(after=before+1;*after=='/';after++); | |
| } | |
| } | |
| try { | try { |
| // compile requested file | // compile requested file |
| String& spath_translated=*new String; | if(request_info.path_translated) |
| spath_translated.append_help_length(request_info.path_translated, 0, String::L_TAINTED); | use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */); |
| use_file_directly(main_class, spath_translated); | |
| configure(); | configure(); |
| } catch(...) { | } catch(...) { |
| configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something] | configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something] |
| Line 444 void Request::core(const char* config_fi | Line 454 void Request::core(const char* config_fi |
| } | } |
| // execute @main[] | // execute @main[] |
| const String* body_string=execute_method(main_class, main_method_name); | const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main_class, amain_method_name); |
| if(!body_string) | if(!body_string) |
| throw Exception(PARSER_RUNTIME, 0, "'" MAIN_METHOD_NAME "' method not found"); | throw Exception(PARSER_RUNTIME, 0, "'%s' method not found", amain_method_name.cstr()); |
| // extract response body | // extract response body |
| Value* body_value=response.fields().get(download_name_upper); // $response:download? | Value* body_value=response.fields().get(download_name_upper); // $response:download? |
| bool as_attachment=body_value!=0; | as_attachment=body_value!=0; |
| if(!body_value) | if(!body_value) |
| body_value=response.fields().get(body_name_upper); // $response:body | body_value=response.fields().get(body_name_upper); // $response:body |
| if(!body_value) | if(!body_value) |
| Line 458 void Request::core(const char* config_fi | Line 468 void Request::core(const char* config_fi |
| // @postprocess | // @postprocess |
| if(const Method *method=main_class.get_method(post_process_method_name)) { | if(const Method *method=main_class.get_method(post_process_method_name)) { |
| // preparing to pass parameters to | |
| // @postprocess[data] | |
| METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, { | METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, { |
| frame.store_params(&body_value, 1); | frame.store_params(&body_value, 1); |
| call(frame); | call(frame); |
| Line 467 void Request::core(const char* config_fi | Line 475 void Request::core(const char* config_fi |
| }); | }); |
| } | } |
| VFile* body_file=body_value->as_vfile(flang, &charsets); | body_file=body_value->as_vfile(flang, &charsets); |
| // OK. write out the result | |
| output_result(body_file, header_only, as_attachment); | |
| } catch(const Exception& e) { // request handling problem | } catch(const Exception& e) { // request handling problem |
| try { | try { |
| // we're returning not result, but error explanation | // we're returning not result, but error explanation |
| Request::Exception_details details=get_details(e); | Request::Exception_details details=get_details(e); |
| const char* exception_cstr=get_exception_cstr(e, details); | const char* exception_cstr=get_exception_cstr(e, details); |
| // reset language to default | // reset language to default |
| flang=fdefault_lang; | flang=fdefault_lang; |
| // reset response | |
| // reset response | 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; | |
| // maybe we'd be lucky enough as to report an error in a gracefull way... | |
| // maybe we'd be lucky enough as to report an error | if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) { |
| // in a gracefull way... | // preparing parameters to @unhandled_exception[exception;stack] |
| if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) { | |
| // preparing to pass parameters to | Table& stack_trace=exception_trace.table(*this); |
| // @unhandled_exception[exception;stack] | exception_trace.clear(); // forget all about previous life, in case there would be error inside of this method, error handled would not be mislead by old stack contents (see extract_origin) |
| // $stack[^table::create{name file lineno colno}] | Value *params[]={&details.vhash, new VTable(&stack_trace)}; |
| Table::columns_type stack_trace_columns(new ArrayString); | METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, { |
| *stack_trace_columns+=new String("name"); | frame.store_params(params, 2); |
| *stack_trace_columns+=new String("file"); | call(frame); |
| *stack_trace_columns+=new String("lineno"); | body_string=&frame.result().as_string(); |
| *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(); i<exception_trace.top_index(); i++) { | |
| Trace trace=exception_trace.get(i); | |
| Table::element_type row(new ArrayString); | |
| *row+=trace.name(); // name column | |
| Operation::Origin origin=trace.origin(); | |
| if(origin.file_no) { | |
| *row+=new String(file_list[origin.file_no], String::L_TAINTED); // 'file' 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 | |
| } | |
| stack_trace+=row; | |
| } | |
| // future $response:body= | // conditionally log it |
| // execute ^unhandled_exception[exception;stack] | Value* vhandled=details.vhash.hash().get(exception_handled_part_name); |
| exception_trace.clear(); // forget all about previous life, in case there would be error inside of this method, error handled would not be mislead by old stack contents (see extract_origin) | if(!vhandled || !vhandled->as_bool()) { |
| SAPI::log(sapi_info, "%s", exception_cstr); | |
| } | |
| Value *params[]={&details.vhash, new VTable(&stack_trace)}; | if(body_string) { // could report an error beautifully? |
| METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, { | VString body_vstring(*body_string); |
| frame.store_params(params, 2); | |
| call(frame); | |
| body_string=&frame.result().as_string(); | |
| }); | |
| } | |
| // conditionally log it | |
| Value* vhandled=details.vhash.hash().get(exception_handled_part_name); | |
| if(!vhandled || !vhandled->as_bool()) { | |
| SAPI::log(sapi_info, "%s", exception_cstr); | |
| } | |
| if(body_string) { // could report an error beautifully? | body_file=body_vstring.as_vfile(flang, &charsets); |
| VString body_vstring(*body_string); | as_attachment=false; |
| VFile* body_file=body_vstring.as_vfile(flang, &charsets); | } else { |
| // write it out the error | // doing that ugly |
| output_result(body_file, header_only, false); | SAPI::send_error(sapi_info, exception_cstr, !strcmp(e.type(), "file.missing") ? "404" : "500"); |
| } else { | return; |
| // doing that ugly | } |
| SAPI::send_error(sapi_info, exception_cstr, !strcmp(e.type(), "file.missing") ? "404" : "500"); | |
| } | |
| } catch(const Exception& e) { // exception in unhandled exception | } catch(const Exception& e) { // exception in unhandled exception |
| Request::Exception_details details=get_details(e); | Request::Exception_details details=get_details(e); |
| const char* exception_cstr=get_exception_cstr(e, details); | |
| // unconditionally log the beast in exception handler | // unconditionally log the beast in exception handler |
| throw Exception(0, 0, "Unhandled exception in %s", exception_cstr); | throw Exception(0, 0, "Unhandled exception in %s", get_exception_cstr(e, details)); |
| } | } |
| } | } |
| // write out the result outside of try as network exceptions should not be handled by parser code. | |
| output_result(body_file, header_only, as_attachment); | |
| } | } |
| uint Request::register_file(String::Body file_spec) { | uint Request::register_file(String::Body file_spec) { |
| Line 558 uint Request::register_file(String::Body | Line 540 uint Request::register_file(String::Body |
| return file_list.count()-1; | return file_list.count()-1; |
| } | } |
| void Request::use_file_directly(VStateless_class& aclass, const String& file_spec, bool fail_on_file_absence) { | void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) { |
| // cyclic dependence check | // cyclic dependence check |
| if(used_files.get(file_spec)) | if(used_files.get(file_spec)) |
| return; | return; |
| Line 567 void Request::use_file_directly(VStatele | Line 549 void Request::use_file_directly(VStatele |
| if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for | if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for |
| return; | return; |
| if(with_auto_p) { | |
| // loading auto.p files from document_root/.. | |
| // to the one beside requested file. | |
| // all assigned bases from upper dir | |
| const char* target=file_spec.cstr(); | |
| // all relative paths are calculated from main document | |
| request_info.path_translated=target; | |
| const char* after=target; | |
| size_t drlen=strlen(request_info.document_root); | |
| if(memcmp(after, request_info.document_root, drlen)==0) { | |
| after+=drlen; | |
| if(after[-1]=='/') | |
| --after; | |
| } | |
| while(const char* before=strchr(after, '/')) { | |
| String& sfile_spec=*new String; | |
| if(after!=target) { | |
| sfile_spec.append_strdup(target, before-target, String::L_CLEAN); | |
| sfile_spec << "/" AUTO_FILE_NAME; | |
| use_file_directly(sfile_spec, false /*ignore absence, sole user*/); | |
| } | |
| for(after=before+1;*after=='/';after++); | |
| } | |
| } | |
| if(const char* source=file_read_text(charsets, file_spec, true)) | if(const char* source=file_read_text(charsets, file_spec, true)) |
| use_buf(aclass, source, 0, register_file(file_spec)); | use_buf(main_class, source, 0, register_file(file_spec)); |
| } | } |
| void Request::use_file(VStateless_class& aclass, const String& file_name, const String* use_filespec/*absolute*/) { | void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, bool with_auto_p) { |
| if(file_name.is_empty()) | if(file_name.is_empty()) |
| throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified"); | throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified"); |
| const String* filespec=0; | const String* filespec=0; |
| if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH] | if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH] |
| filespec=&absolute(file_name); | filespec=&full_disk_path(file_name); |
| else if(use_filespec){ // search in current dir first | else if(use_filespec){ // search in current dir first |
| size_t last_slash_pos=use_filespec->strrpbrk("/"); | size_t last_slash_pos=use_filespec->strrpbrk("/"); |
| if(last_slash_pos!=STRING_NOT_FOUND) | if(last_slash_pos!=STRING_NOT_FOUND) |
| Line 593 void Request::use_file(VStateless_class& | Line 604 void Request::use_file(VStateless_class& |
| searched_along_class_path.put(file_name, true); | searched_along_class_path.put(file_name, true); |
| if(Value* element=main_class.get_element(class_path_name)) { | if(Value* element=main_class.get_element(class_path_name)) { |
| if(element->is_string()) { | if(element->is_string()) { |
| filespec=file_exist(absolute(element->as_string()), file_name); // found at class_path? | filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path? |
| } else if(Table *table=element->get_table()) { | } else if(Table *table=element->get_table()) { |
| for(size_t i=table->count(); i--; ) { | for(size_t i=table->count(); i--; ) { |
| const String& path=*(*table->get(i))[0]; | const String& path=*(*table->get(i))[0]; |
| if(filespec=file_exist(absolute(path), file_name)) | if(filespec=file_exist(full_disk_path(path), file_name)) |
| break; // found along class_path | break; // found along class_path |
| } | } |
| } else | } else |
| throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table"); | throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table"); |
| if(!filespec) | if(!filespec) |
| throw Exception(PARSER_RUNTIME, &file_name, "not found along $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME); | throw Exception(PARSER_RUNTIME, &file_name, "not found along $main:" CLASS_PATH_NAME); |
| } else | } else |
| throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $" MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified"); | throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $main:" CLASS_PATH_NAME " were specified"); |
| } | } |
| use_file_directly(aclass, *filespec); | use_file_directly(*filespec, true, with_auto_p); |
| } | } |
| void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) { | void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) { |
| Line 666 const String& Request::relative(const ch | Line 677 const String& Request::relative(const ch |
| return result; | return result; |
| } | } |
| const String& Request::absolute(const String& relative_name) { | const String& Request::full_disk_path(const String& relative_name) { |
| if(relative_name.first_char()=='/') { | if(relative_name.first_char()=='/') { |
| String& result=*new String(pa_strdup(request_info.document_root)); | String& result=*new String(pa_strdup(request_info.document_root)); |
| result << relative_name; | result << relative_name; |
| return result; | return result; |
| } else | } |
| if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx" | if(relative_name.pos("://")!=STRING_NOT_FOUND // something like "http://xxx" |
| #ifdef WIN32 | #ifdef WIN32 |
| || relative_name.pos(":")==1 // DRIVE: | || relative_name.pos(":")==1 // DRIVE: |
| || relative_name.starts_with("\\\\") // UNC1 | || relative_name.starts_with("\\\\") // UNC1 |
| || relative_name.starts_with("//") // UNC2 | || relative_name.starts_with("//") // UNC2 |
| #endif | #endif |
| ) | ) |
| return relative_name; | return relative_name; |
| else | |
| return relative(request_info.path_translated, relative_name); | return relative(request_info.path_translated ? request_info.path_translated : request_info.document_root, relative_name); |
| } | } |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| Line 728 static void output_sole_piece(Request& r | Line 739 static void output_sole_piece(Request& r |
| #ifndef DOXYGEN | #ifndef DOXYGEN |
| struct Range | struct Range |
| { | { |
| size_t start; | uint64_t start; |
| size_t end; | uint64_t end; |
| }; | }; |
| #endif | #endif |
| #define UNSET ((uint64_t)-1) | |
| static void parse_range(const String* s, Array<Range> &ar) { | static void parse_range(const String* s, Array<Range> &ar) { |
| const char *p = s->cstr(); | const char *p = s->cstr(); |
| if(s->starts_with("bytes=")) | if(s->starts_with("bytes=")) |
| p += 6; | p += 6; |
| Range r; | Range r; |
| while(*p){ | while(*p){ |
| r.start = (size_t)-1; | r.start = UNSET; |
| r.end = (size_t)-1; | r.end = UNSET; |
| while(*p==' ' || *p=='\t') p++; | |
| if(*p >= '0' && *p <= '9'){ | if(*p >= '0' && *p <= '9'){ |
| r.start = atol(p); | const char *s=p; |
| while(*p>='0' && *p<='9') ++p; | while(*p>='0' && *p<='9') p++; |
| r.start = pa_atoul(pa_strdup(s,p-s)); | |
| } | } |
| while(*p==' ' || *p=='\t') p++; | |
| if(*p++ != '-') break; | if(*p++ != '-') break; |
| while(*p==' ' || *p=='\t') p++; | |
| if(*p >= '0' && *p <= '9'){ | if(*p >= '0' && *p <= '9'){ |
| r.end = atol(p); | const char *s=p; |
| while(*p>='0' && *p<='9') ++p; | while(*p>='0' && *p<='9') p++; |
| r.end = pa_atoul(pa_strdup(s,p-s)); | |
| } | } |
| if(*p == ',') ++p; | |
| while(*p==' ' || *p=='\t') p++; | |
| if(*p) | |
| if(*p++ != ',') break; | |
| ar += r; | ar += r; |
| } | } |
| } | } |
| static void output_pieces(Request& r, bool header_only, const String& filename, size_t content_length, Value& date, bool add_last_modified) { | struct Send_range_action_info { |
| SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes"); | Request *r; |
| uint64_t offset; | |
| uint64_t part_length; | |
| }; | |
| static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){ | |
| Send_range_action_info &info = *(Send_range_action_info*)context; | |
| pa_lseek(f, info.offset, SEEK_SET); | |
| const size_t BUFSIZE = 128*0x400; | const size_t BUFSIZE = 128*0x400; |
| char buf[BUFSIZE]; | char buf[BUFSIZE]; |
| do{ | |
| size_t to_read = info.part_length < BUFSIZE ? (size_t)info.part_length : BUFSIZE; | |
| size_t to_write = file_block_read(f, buf, to_read); | |
| if(to_write == 0) | |
| break; | |
| size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write); | |
| if(size != to_write) | |
| break; | |
| info.part_length -= to_write; | |
| } while (info.part_length); | |
| } | |
| static void output_pieces(Request& r, bool header_only, const String& filename, uint64_t content_length, Value& date, bool add_last_modified) { | |
| SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes"); | |
| const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE"); | const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE"); |
| size_t offset=0; | uint64_t offset=0; |
| size_t part_length=content_length; | uint64_t part_length=content_length; |
| if(range){ | |
| if(range && content_length){ | |
| Array<Range> ar; | Array<Range> ar; |
| parse_range(new String(range), ar); | parse_range(new String(range), ar); |
| size_t count = ar.count(); | int count = ar.count(); |
| if(count == 1){ | if(count == 1){ |
| Range &rg = ar.get_ref(0); | Range &rg = ar.get_ref(0); |
| if(rg.start == (size_t)-1 && rg.end == (size_t)-1){ | |
| SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "416 Requested Range Not Satisfiable"); | if(rg.start == UNSET && rg.end == UNSET) |
| return; | return SAPI::send_error(r.sapi_info, "", "416"); |
| } | |
| if(rg.start == (size_t)-1 && rg.end != (size_t)-1){ | if(rg.start == UNSET && rg.end != UNSET){ |
| if(rg.end > content_length) | |
| rg.end = content_length; | |
| rg.start = content_length - rg.end; | rg.start = content_length - rg.end; |
| rg.end = content_length; | rg.end = content_length-1; |
| offset += rg.start; | } else if(rg.start != UNSET && rg.end == UNSET){ |
| part_length = rg.end-rg.start; | if(rg.start >= content_length) |
| }else if(rg.start != (size_t)-1 && rg.end == (size_t)-1){ | return SAPI::send_error(r.sapi_info, "", "416"); |
| rg.end = content_length-1; | rg.end = content_length-1; |
| offset += rg.start; | } else { |
| part_length -= rg.start; | if(rg.start >= content_length || rg.start > rg.end) |
| return SAPI::send_error(r.sapi_info, "", "416"); | |
| if(rg.end >= content_length) | |
| rg.end = content_length-1; | |
| } | } |
| if(part_length == 0){ | |
| SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "204 No Content"); | offset = rg.start; |
| return; | part_length = rg.end-rg.start+1; |
| } | |
| SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206 Partial Content"); | char buf[MAX_STRING]; |
| snprintf(buf, BUFSIZE, "bytes %u-%u/%u", rg.start, rg.end, content_length); | snprintf(buf, MAX_STRING, "bytes %.15g-%.15g/%.15g", (double)rg.start, (double)rg.end, (double)content_length); |
| SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206"); | |
| SAPI::add_header_attribute(r.sapi_info, "content-range", buf); | SAPI::add_header_attribute(r.sapi_info, "content-range", buf); |
| }else if(count != 0){ | } else { |
| SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "501 Not Implemented"); | return SAPI::send_error(r.sapi_info, count ? "Multiple ranges not supported" : "Invalid range", count ? "501" : "400"); |
| return; | |
| } | } |
| } | } |
| SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format((double)part_length, "%.15g")); | |
| SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, format(part_length, "%u")); | |
| if(add_last_modified) | if(add_last_modified) |
| SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr()); | SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr()); |
| SAPI::send_header(r.sapi_info); | SAPI::send_header(r.sapi_info); |
| const String& filespec=r.absolute(filename); | |
| size_t sent = 0; | |
| if(!header_only){ | if(!header_only){ |
| size_t to_read = 0; | Send_range_action_info info = { &r, offset, part_length}; |
| size_t size = 0; | file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info); |
| do{ | |
| to_read = part_length < BUFSIZE ? part_length : BUFSIZE; | |
| File_read_result read_result=file_read_binary(filespec, true /*fail on problem*/, buf, offset, to_read); | |
| to_read=read_result.length; | |
| if(to_read == 0) | |
| break; | |
| offset += to_read; | |
| size = SAPI::send_body(r.sapi_info, read_result.str, to_read); | |
| sent += size; | |
| if(size != to_read) | |
| break; | |
| part_length -= to_read; | |
| }while(part_length); | |
| } | } |
| } | } |
| Line 830 void Request::output_result(VFile* body_ | Line 874 void Request::output_result(VFile* body_ |
| // header: cookies | // header: cookies |
| cookie.output_result(sapi_info); | cookie.output_result(sapi_info); |
| // _file_ content-type might be specified | // $.file and $.name (when body is real vfile) |
| Value* body_file_content_type=body_file->fields().get(content_type_name); | Value* vfile = body_file->fields().get(response_body_file_name); |
| Value* vname = body_file->fields().get(name_name); | |
| // Content-Disposition | const String* sfile = vfile ? &vfile->as_string() : NULL; |
| Value* vfile_name=body_file->fields().get(name_name); | const String* sname = vname ? &vname->as_string() : NULL; |
| if(!vfile_name) { | |
| vfile_name=body_file->fields().get(response_body_file_name); | |
| if(vfile_name) { | |
| char* name_cstr=vfile_name->as_string().cstrm(); | |
| if(char *after_slash=rsplit(name_cstr, '\\')) | |
| name_cstr=after_slash; | |
| if(char *after_slash=rsplit(name_cstr, '/')) | |
| name_cstr=after_slash; | |
| vfile_name=new VString(*new String(name_cstr)); | |
| } | |
| } | |
| if(vfile_name) { | |
| const String& sfile_name=vfile_name->as_string(); | |
| if(sfile_name!=NONAME_DAT) { | |
| VHash& hash=*new VHash(); | |
| HashStringValue &h=hash.hash(); | |
| h.put(value_name, new VString( as_attachment ? content_disposition_attachment : content_disposition_inline )); | |
| h.put(content_disposition_filename_name, new VString(*new String(sfile_name, String::L_HTTP_HEADER))); | |
| response.fields().put(content_disposition_name_upper, &hash); | if(sname && *sname == NONAME_DAT) |
| sname = NULL; | |
| if(!body_file_content_type) | // Content-Disposition |
| body_file_content_type=new VString(mime_type_of(sfile_name.cstr())); | const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile; |
| } | if(disposition_name) { |
| VHash& hash=*new VHash(); | |
| hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline)); | |
| hash.hash().put(content_disposition_filename_name, new VString(*new String(*disposition_name, String::L_HTTP_HEADER))); | |
| response.fields().put(content_disposition_name_upper, &hash); | |
| } | |
| // _file_ content-type might be specified | |
| Value* body_file_content_type = body_file->fields().get(content_type_name); | |
| if(!body_file_content_type){ | |
| const String* scontent_name = sname && !sname->is_empty() ? sname : sfile; | |
| if(scontent_name) | |
| body_file_content_type = new VString(mime_type_of(scontent_name->cstr())); | |
| } | } |
| // set Content-Type | // set Content-Type |
| Line 874 void Request::output_result(VFile* body_ | Line 914 void Request::output_result(VFile* body_ |
| Add_header_attribute_info info(*this); | Add_header_attribute_info info(*this); |
| response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info); | response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info); |
| if(Value* vresponse_body_file=body_file->fields().get(response_body_file_name)) { | if(sfile) { |
| // $response:[download|body][$.file[filespec]] -- optput specified file | // $response:[download|body][$.file[filespec]] -- optput specified file |
| const String& sresponse_body_file=vresponse_body_file->as_string(); | |
| uint64_t content_length=0; | uint64_t content_length=0; |
| time_t atime=0, mtime=0, ctime=0; | time_t atime=0, mtime=0, ctime=0; |
| file_stat(absolute(sresponse_body_file), content_length, atime, mtime, ctime); | file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime); |
| VDate* vdate=0; | VDate* vdate=0; |
| if(Value* v=body_file->fields().get("mdate")) { | if(Value* v=body_file->fields().get("mdate")) { |
| Line 891 void Request::output_result(VFile* body_ | Line 930 void Request::output_result(VFile* body_ |
| if(!vdate) | if(!vdate) |
| vdate=new VDate((pa_time_t)mtime); | vdate=new VDate((pa_time_t)mtime); |
| output_pieces(*this, header_only, sresponse_body_file, (size_t)content_length, *vdate, info.add_last_modified); | output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified); |
| } else { | } else { |
| if(body_file_content_type) | if(body_file_content_type) |
| if(HashStringValue *hash=body_file_content_type->get_hash()) | if(HashStringValue *hash=body_file_content_type->get_hash()) |
| Line 914 const String& Request::mime_type_of(cons | Line 953 const String& Request::mime_type_of(cons |
| if(const String* result=mime_types->item(1)) | if(const String* result=mime_types->item(1)) |
| return *result; | return *result; |
| else | else |
| throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty"); | throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty"); |
| } | } |
| } | } |