--- parser3/src/include/pa_request.h 2003/03/24 09:39:55 1.160.2.37.2.7 +++ parser3/src/include/pa_request.h 2003/03/11 08:53:03 1.161 @@ -1,23 +1,31 @@ /** @file Parser: request class decl. - Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ #ifndef PA_REQUEST_H #define PA_REQUEST_H -static const char* IDENT_REQUEST_H="$Date: 2003/03/24 09:39:55 $"; +static const char* IDENT_REQUEST_H="$Date: 2003/03/11 08:53:03 $"; -#include "pa_request_info.h" +#include "pa_pool.h" #include "pa_hash.h" #include "pa_wcontext.h" #include "pa_value.h" #include "pa_stack.h" -#include "pa_request_info.h" -#include "pa_request_charsets.h" -#include "pa_sapi.h" +#include "pa_vclass.h" +#include "pa_vobject.h" +#include "pa_venv.h" +#include "pa_vstatus.h" +#include "pa_vform.h" +#include "pa_vmail.h" +#include "pa_vmath.h" +#include "pa_vrequest.h" +#include "pa_vresponse.h" +#include "pa_vcookie.h" +#include "pa_sql_driver_manager.h" #ifdef RESOURCES_DEBUG #include @@ -25,74 +33,34 @@ static const char* IDENT_REQUEST_H="$Dat // consts +#define MAIN_METHOD_NAME "main" const uint ANTI_ENDLESS_EXECUTE_RECOURSION=1000; -// forwards +// defines + +#ifndef NO_STRING_ORIGIN +# define COMPILE_PARAMS \ + VStateless_class& aclass, const char *source \ + , const char *file +# define COMPILE(aclass, source, file) \ + real_compile(aclass, source, file) +#else +# define COMPILE_PARAMS \ + VStateless_class& aclass, const char *source +# define COMPILE(aclass, source, file) \ + real_compile(aclass, source) +#endif class Temp_lang; class Methoded; class VMethodFrame; -class GdomeDOMString_auto_ptr; -class VMail; DECLARE_OBJECT_PTR(VMail); -class VForm; DECLARE_OBJECT_PTR(VForm); -class VResponse; DECLARE_OBJECT_PTR(VResponse); -class VCookie; DECLARE_OBJECT_PTR(VCookie); -class VStateless_class; DECLARE_OBJECT_PTR(VStateless_class); /// Main workhorse. -class Request: public PA_Object { +class Request : public Pooled { friend class Temp_lang; friend class Temp_connection; friend class Request_context_saver; friend class Temp_request_self; - - ///@{ core data - - /// classes - HashStringValue fclasses; - - /// already used files to avoid cyclic uses - Hash used_files; - - /** endless execute(execute(... preventing counter - @see ANTI_ENDLESS_EXECUTE_RECOURSION - */ - uint anti_endless_execute_recoursion; - - ///@} - -public: - - union StackItem { - const String* string() const { return value->get_string(); } - Value* value; - ArrayOperation* ops; - VMethodFrame* method_frame; - - /// needed to fill unused Array entries - StackItem() {} - StackItem(Value* avalue): value(avalue) {} - StackItem(ArrayOperation* aops): ops(aops) {} - StackItem(VMethodFrame* amethod_frame): method_frame(amethod_frame) {} - }; - - //@{ request processing status - /// exception stack trace - //Stack exception_trace; - /// execution stack - Stack stack; - /// contexts - VMethodFrame* method_frame; - Value* rcontext; - WContext* wcontext; - /// current language - String::Language flang; - /// current connection - SQL_Connection* fconnection; - //@} - /// interrupted flag, raised on signals [SIGPIPE] - bool finterrupted; - public: #ifdef RESOURCES_DEBUG @@ -101,14 +69,29 @@ public: double sql_request_time; #endif - Request(SAPI_Info& asapi_info, Request_info& arequest_info, - String::Language adefault_lang, ///< all tainted data default untainting lang + /// some information from web server + class Info { + public: + const char *document_root; + const char *path_translated; + const char *method; + const char *query_string; + const char *uri; + const char *content_type; + size_t content_length; + const char *cookie; + bool mail_received; + }; + + Request(Pool& apool, + Info& ainfo, + uchar adefault_lang, ///< all tainted data default untainting lang bool status_allowed ///< status class allowed ); ~Request(); /// global classes - HashStringValue& classes() { return fclasses; } + Hash& classes() { return fclasses; } /** core request processing @@ -116,19 +99,19 @@ public: BEWARE: may throw exception to you: catch it! */ void core( - const char* config_filespec, ///< system config filespec + const char *config_filespec, ///< system config filespec bool config_fail_on_read_problem, ///< fail if system config file not found bool header_only); /// executes ops - void execute(ArrayOperation& ops); // execute.C + void execute(const Array& ops); // execute.C /// execute ops with anti-recoursion check - void recoursion_checked_execute(/*const String& name, */ArrayOperation& ops) { + void recoursion_checked_execute(const String *name, const Array& ops) { // anti_endless_execute_recoursion if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { anti_endless_execute_recoursion=0; // give @exception a chance throw Exception("parser.runtime", - 0, //&name, + name, "call canceled - endless recursion detected"); } execute(ops); // execute it @@ -136,14 +119,14 @@ public: } /// compiles the file, maybe forcing it's class @a name and @a base_class. - void use_file(VStateless_class& aclass, + VStateless_class *use_file(VStateless_class& aclass, const String& file_name, bool ignore_class_path=false, - bool fail_on_read_problem=true, bool fail_on_file_absence=true); // pa_request.C + bool fail_on_read_problem=true, bool fail_on_file_absence=true); // core.C /// compiles a @a source buffer - void use_buf(VStateless_class& aclass, - const char* source, - const String& filespec, const char* filespec_cstr); // pa_request.C + VStateless_class *use_buf(VStateless_class& aclass, + const char *source, + const String& filespec, const char *filespec_cstr); // core.C /// processes any code-junction there may be inside of @a value StringOrValue process(Value& input_value, bool intercept_string=true); // execute.C @@ -159,16 +142,23 @@ public: #define DEFINE_DUAL(modification) \ void write_##modification##_lang(StringOrValue dual) { \ - if(const String* string=dual.get_string()) \ + if(const String *string=dual.get_string()) \ write_##modification##_lang(*string); \ else \ write_##modification##_lang(*dual.get_value()); \ } +#define DEFINE_DUAL_CHECKED(modification) \ + void write_##modification##_lang(StringOrValue dual, const String *origin) { \ + if(const String *string=dual.get_string()) \ + write_##modification##_lang(*string); \ + else \ + write_##modification##_lang(*dual.get_value(), origin); \ + } /// appending, sure of clean string inside void write_no_lang(const String& astring) { wcontext->write(astring, - (String::Language)(String::L_CLEAN | flang&String::L_OPTIMIZE_BIT)); + String::UL_CLEAN | flang&String::UL_OPTIMIZE_BIT); } /// appending sure value, that would be converted to clean string void write_no_lang(Value& avalue) { @@ -176,16 +166,17 @@ public: wcontext->write(avalue); else wcontext->write(avalue, - (String::Language)(String::L_CLEAN | flang&String::L_OPTIMIZE_BIT)); + String::UL_CLEAN | flang&String::UL_OPTIMIZE_BIT); } + //DEFINE_DUAL(no) /// appending string, passing language built into string being written void write_pass_lang(const String& astring) { - wcontext->write(astring, String::L_PASS_APPENDED); + wcontext->write(astring, String::UL_PASS_APPENDED); } /// appending possible string, passing language built into string being written void write_pass_lang(Value& avalue) { - wcontext->write(avalue, String::L_PASS_APPENDED); + wcontext->write(avalue, String::UL_PASS_APPENDED); } DEFINE_DUAL(pass) @@ -193,23 +184,28 @@ public: void write_assign_lang(Value& avalue) { wcontext->write(avalue, flang); } + /// appending possible string, assigning untaint language + void write_assign_lang(Value& avalue, const String *origin) { + wcontext->write(avalue, flang, origin); + } /// appending string, assigning untaint language void write_assign_lang(const String& astring) { wcontext->write(astring, flang); } DEFINE_DUAL(assign) + DEFINE_DUAL_CHECKED(assign) /// returns relative to @a path path to @a file - const String& relative(const char* apath, const String& relative_name); + const String& relative(const char *apath, const String& relative_name); /// returns an absolute @a path to relative @a name const String& absolute(const String& relative_name); /// returns the mime type of 'user_file_name_cstr' - const String& mime_type_of(const char* user_file_name_cstr); + const String& mime_type_of(const char *user_file_name_cstr); /// returns current SQL connection if any - SQL_Connection* connection(const String* source) { + SQL_Connection *connection(const String *source) { if(!fconnection && source) throw Exception("parser.runtime", source, @@ -218,104 +214,113 @@ public: return fconnection; } - void set_interrupted(bool ainterrupted) { finterrupted=ainterrupted; } - bool get_interrupted() { return finterrupted; } + bool origins_mode(); + + void interrupt() { finterrupted=true; } + bool interrupted() { return finterrupted; } public: /// info from web server - Request_info& request_info; - - /// info about ServerAPI - SAPI_Info& sapi_info; - - /// source, client, mail charsets - Request_charsets charsets; + Info& info; + /// user's post data + const char *post_data; size_t post_size; + /// name of 'main' method + const String main_method_name; + /// 'MAIN' class conglomerat & operators are methods of this class - VStateless_class& main_class; + VClass& main_class; + /// $env:fields + VEnv env; + /// $status:fields + VStatus status; /// $form:elements - VForm& form; + VForm form; /// $mail - VMail& mail; + VMail mail; + /// $math:constants + VMath math; + /// $request:elements + VRequest request; /// $response:elements - VResponse& response; + VResponse response; /// $cookie:elements - VCookie& cookie; + VCookie cookie; /// classes configured data - HashStringObject classes_conf; + Hash classes_conf; + +private: + + //@{ request processing status + /// exception stack trace + Stack exception_trace; + /// execution stack + Stack stack; + /// contexts + VMethodFrame *method_frame; + Value *rcontext; + WContext *wcontext; + /// current language + uchar flang; + /// current connection + SQL_Connection *fconnection; + //@} + /// interrupted flag, raised on signals [SIGPIPE] + bool finterrupted; public: // status read methods VMethodFrame *get_method_frame() { return method_frame; } - Value& get_self(); -#define GET_SELF(request, type) (static_cast(request.get_self())) - /* for strange reason call to this: - r.get_self() - refuses to compile + Value *get_self(); - template T& get_self() { - return *static_cast(get_self().get()); - } - */ +private: // core data -#ifdef XML -public: // charset helpers + /// classes + Hash fclasses; - /// @see Charset::transcode - GdomeDOMString_auto_ptr transcode(const String& s); - /// @see Charset::transcode - const String& transcode(GdomeDOMString* s -#ifndef NO_STRING_ORIGIN - , const String& origin -#endif - ); - /// @see Charset::transcode - const String& transcode(xmlChar* s -#ifndef NO_STRING_ORIGIN - , const String& origin -#endif - ); + /// already used files to avoid cyclic uses + Hash used_files; -#endif + /** endless execute(execute(... preventing counter + @see ANTI_ENDLESS_EXECUTE_RECOURSION + */ + uint anti_endless_execute_recoursion; private: /// already executed some @conf method bool configure_admin_done; - void configure_admin(VStateless_class& conf_class); + void configure_admin(VStateless_class& conf_class, const String *source); private: // compile.C - VStateless_class& compile(VStateless_class* aclass, const char* source, const char* file); + VStateless_class& real_compile(COMPILE_PARAMS); private: // execute.C /// for @postprocess[body] const String& execute_method(VMethodFrame& amethodFrame, const Method& method); //{ for @conf[filespec] and @auto[filespec] - const String* execute_method(Value& aself, - const Method& method, VString* optional_param, - bool do_return_string); - struct Execute_nonvirtual_method_result { - const String* string; - Method* method; - Execute_nonvirtual_method_result(): string(0), method(0) {} - }; - Execute_nonvirtual_method_result execute_nonvirtual_method(VStateless_class& aclass, - const String& method_name, VString* optional_param, - bool do_return_string); + void execute_method(Value& aself, + const Method& method, VString *optional_param, + const String **return_string); + void execute_nonvirtual_method(VStateless_class& aclass, + const String& method_name, VString *optional_param, + const String **return_string, + const Method **return_method=0); //} /// for @main[] - const String* execute_virtual_method(Value& aself, const String& method_name); + const String *execute_virtual_method(Value& aself, const String& method_name); - Value* get_element(bool can_call_operator); + Value *get_element(const String *& remember_name, bool can_call_operator); private: // defaults - const String::Language fdefault_lang; + const uchar fdefault_lang; + Value *default_content_type; private: // mime types @@ -324,29 +329,29 @@ private: // mime types private: // lang manipulation - String::Language set_lang(String::Language alang) { - String::Language result=flang; + uchar set_lang(uchar alang) { + uchar result=flang; flang=alang; return result; } - void restore_lang(String::Language alang) { + void restore_lang(uchar alang) { flang=alang; } private: // connection manipulation - SQL_Connection* set_connection(SQL_Connection* aconnection) { - SQL_Connection* result=fconnection; + SQL_Connection *set_connection(SQL_Connection *aconnection) { + SQL_Connection *result=fconnection; fconnection=aconnection; return result; } - void restore_connection(SQL_Connection* aconnection) { + void restore_connection(SQL_Connection *aconnection) { fconnection=aconnection; } private: - void output_result(VFile* body_file, bool header_only, bool as_attachment); + void output_result(const VFile& body_file, bool header_only, bool as_attachment); }; /// Auto-object used to save request context across ^try body @@ -362,13 +367,13 @@ class Request_context_saver { Value *rcontext; WContext *wcontext; /// current language - String::Language flang; + uchar flang; /// current connection - SQL_Connection* fconnection; + SQL_Connection *fconnection; public: Request_context_saver(Request& ar) : - //exception_trace(ar.exception_trace.top_index()), + exception_trace(ar.exception_trace.top_index()), stack(ar.stack.top_index()), method_frame(ar.method_frame), rcontext(ar.rcontext), @@ -377,7 +382,7 @@ public: fconnection(ar.fconnection), fr(ar) {} void restore() { - //fr.exception_trace.top_index(exception_trace); + fr.exception_trace.top_index(exception_trace); fr.stack.top_index(stack); fr.method_frame=method_frame, fr.rcontext=rcontext; fr.wcontext=wcontext; fr.flang=flang; @@ -388,9 +393,9 @@ public: /// Auto-object used for temporary changing Request::flang. class Temp_lang { Request& frequest; - String::Language saved_lang; + uchar saved_lang; public: - Temp_lang(Request& arequest, String::Language alang) : + Temp_lang(Request& arequest, uchar alang) : frequest(arequest), saved_lang(arequest.set_lang(alang)) { } @@ -402,9 +407,9 @@ public: /// Auto-object used for temporary changing Request::fconnection. class Temp_connection { Request& frequest; - SQL_Connection* saved_connection; + SQL_Connection *saved_connection; public: - Temp_connection(Request& arequest, SQL_Connection* aconnection) : + Temp_connection(Request& arequest, SQL_Connection *aconnection) : frequest(arequest), saved_connection(arequest.set_connection(aconnection)) { } @@ -413,25 +418,67 @@ public: } }; +/** + @b method parameters passed in this array. + contains handy typecast ad junction/not junction ensurers + +*/ +class MethodParams : public Array { +public: + MethodParams(Pool& pool, const String& amethod_name) : Array(pool), + fmethod_name(amethod_name) { + } + + /// handy typecast. I long for templates + Value& get(int index) { + return *static_cast(Array::get(index)); + } + /// handy is-value-a-junction ensurer + Value& as_junction(int index, const char *msg) { + return get_as(index, true, msg); + } + /// handy value-is-not-a-junction ensurer + Value& as_no_junction(int index, const char *msg) { + return get_as(index, false, msg); + } + /// handy expression auto-processing to double + double as_double(int index, const char *msg, Request& r) { + return get_processed(index, msg, r).as_double(); + } + /// handy expression auto-processing to int + int as_int(int index, const char *msg, Request& r) { + return get_processed(index, msg, r).as_int(); + } + /// handy expression auto-processing to bool + bool as_bool(int index, const char *msg, Request& r) { + return get_processed(index, msg, r).as_bool(); + } + /// handy string ensurer + const String& as_string(int index, const char *msg) { + return as_no_junction(index, msg).as_string(); + } + +private: -// defines for externs + /// handy value-is/not-a-junction ensurer + Value& get_as(int index, bool as_junction, const char *msg) { + Value& result=get(index); + if((result.get_junction()!=0) ^ as_junction) + throw Exception("parser.runtime", + &fmethod_name, + "%s (parameter #%d)", msg, 1+index); -#define CONTENT_DISPOSITION_NAME "content-disposition" -#define CONTENT_DISPOSITION_VALUE "attachment" -#define CONTENT_DISPOSITION_FILENAME_NAME "filename" + return result; + } -// externs + Value& get_processed(int index, const char *msg, Request& r) { + return r.process_to_value(as_junction(index, msg), 0/*no name*/); + } -extern const String main_method_name; -extern const String auto_method_name; -extern const String body_name; -extern const String content_disposition_name; -extern const String content_disposition_value; -extern const String content_disposition_filename_name; +private: -// defines for statics + const String& fmethod_name; -#define MAIN_CLASS_NAME "MAIN" -#define AUTO_FILE_NAME "auto.p" +}; #endif