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| version 1.9, 2001/02/22 13:33:24 | version 1.64, 2001/03/20 06:45:18 |
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| Line 1 | Line 1 |
| /* | /** @file |
| $Id$ | Parser: request class decl. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| #ifndef PA_REQUEST_H | #ifndef PA_REQUEST_H |
| #define PA_REQUEST_H | #define PA_REQUEST_H |
| #include "pa_pool.h" | #include "pa_pool.h" |
| #include "pa_exception.h" | |
| #include "pa_hash.h" | #include "pa_hash.h" |
| #include "pa_wcontext.h" | #include "pa_wcontext.h" |
| #include "pa_value.h" | #include "pa_value.h" |
| #include "pa_stack.h" | #include "pa_stack.h" |
| #include "pa_vclass.h" | |
| #define MAIN_METHOD_NAME "main" | #include "pa_vobject.h" |
| #include "pa_venv.h" | |
| #include "pa_vform.h" | |
| #include "pa_vrequest.h" | |
| #include "pa_vresponse.h" | |
| #include "pa_vcookie.h" | |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| # define COMPILE_PARAMS char *source, char *file | # define COMPILE_PARAMS \ |
| # define COMPILE(source, file) real_compile(source, file) | const char *source, \ |
| VStateless_class *aclass, const String *name, \ | |
| VStateless_class *base_class, \ | |
| const char *file | |
| # define COMPILE(source, aclass, name, base_class, file) \ | |
| real_compile(source, aclass, name, base_class, file) | |
| #else | #else |
| # define COMPILE_PARAMS char *source | # define COMPILE_PARAMS \ |
| # define COMPILE(source, file) real_compile(source) | const char *source, \ |
| VStateless_class *aclass, const String *name, \ | |
| VStateless_class *base_class | |
| # define COMPILE(source, aclass, name, base_class, file) \ | |
| real_compile(source, aclass, name, base_class) | |
| #endif | #endif |
| class Local_request_exception; | class Temp_lang; |
| /// Main workhorse. | |
| class Request : public Pooled { | class Request : public Pooled { |
| friend Temp_lang; | |
| public: | public: |
| /// some information from web server | |
| struct Info { | |
| 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; | |
| }; | |
| Request(Pool& apool) : Pooled(apool), | Request(Pool& apool, |
| stack(apool), | Info& ainfo, |
| fclasses(apool) | String::Untaint_lang adefault_lang ///< all tainted data default untainting lang |
| { | ); |
| } | |
| ~Request() {} | ~Request() {} |
| // global classes | /// global classes |
| Hash& classes() { return fclasses; } | Hash& classes() { return fclasses; } |
| // core request processing | /// core request processing |
| void core(); | void core(Exception& system_exception, |
| const char *sys_auto_path1, | |
| const char *sys_auto_path2); | |
| /// executes ops | |
| void execute(const Array& ops); | |
| /// compiles the file, maybe forcing it's class @a name and @a base_class. | |
| VStateless_class *use_file( | |
| const char *file, bool fail_on_read_problem=true, | |
| const String *name=0, | |
| VStateless_class *base_class=0); // core.C | |
| /// compiles a @a source buffer | |
| VStateless_class *use_buf( | |
| const char *source, const char *file, | |
| VStateless_class *aclass=0, const String *name=0, | |
| VStateless_class *base_class=0); // core.C | |
| /// processes any code-junction there may be inside of @a value | |
| Value& process( | |
| Value& value, | |
| const String *name=0, | |
| bool intercept_string=true); // execute.C | |
| /// write(const) = clean | |
| void write(const String& astring) { | |
| wcontext->write(astring, String::Untaint_lang::NO); | |
| } | |
| /// appending, sure of clean string inside | |
| void write_no_lang(String& astring) { | |
| wcontext->write(astring, String::Untaint_lang::NO); | |
| } | |
| /// appending string, passing language built into string being written | |
| void write_pass_lang(String& astring) { | |
| wcontext->write(astring, String::Untaint_lang::PASS_APPENDED); | |
| } | |
| /// appending possible string, assigning untaint language | |
| void write_assign_lang(Value& avalue) { | |
| wcontext->write(avalue, flang); | |
| } | |
| /// appending possible string, passing language built into string being written | |
| void write_pass_lang(Value& avalue) { | |
| wcontext->write(avalue, String::Untaint_lang::PASS_APPENDED); | |
| } | |
| /// appending sure value, that would be converted to clean string | |
| void write_no_lang(Value& avalue) { | |
| wcontext->write(avalue, String::Untaint_lang::NO); | |
| } | |
| /// appending sure value, not VString | |
| void write_expr_result(Value& avalue) { | |
| wcontext->write(avalue); | |
| } | |
| /// handy is-value-a-junction ensurer | |
| void fail_if_junction_(bool is, Value& value, const String& method_name, char *msg); | |
| /// returns relative to @a path path to @a file | |
| char *relative(const char *path, const char *file); | |
| /// returns an absolute @a path to relative @a name | |
| char *absolute(const char *name); | |
| public: | |
| /// info from web server | |
| Info& info; | |
| /// default base | |
| VClass ROOT; | |
| /// $env:fields here | |
| VEnv env; | |
| /// $form:elements here | |
| VForm form; | |
| /// $request:elements here | |
| VRequest request; | |
| /// $response: | |
| VResponse response; | |
| /// $cookie: | |
| VCookie cookie; | |
| /// contexts | |
| Value *self, *root, *rcontext; | |
| /// contexts | |
| WContext *wcontext; | |
| private: // core data | private: // core data |
| // classes | // classes |
| Hash fclasses; | Hash fclasses; |
| // contexts | |
| Value *root, *self, *rcontext; | |
| WContext *wcontext; | |
| // execution stack | // execution stack |
| Stack stack; | Stack stack; |
| private: // core.C | |
| Array& load_and_compile_RUN(); | |
| VClass *construct_class(String& name, Array& compiled_methods); | |
| char *execute_MAIN(VClass *class_RUN); | |
| private: // compile.C | private: // compile.C |
| Array& real_compile(COMPILE_PARAMS); | VStateless_class& real_compile(COMPILE_PARAMS); |
| private: // execute.C | private: // execute.C |
| void execute(Array& ops); | const String *execute_method(Value& aself, const Method& method, |
| bool return_cstr=true); | |
| const String *execute_method(Value& aself, const String& method_name, | |
| bool return_cstr=true); | |
| Value *get_element(); | Value *get_element(); |
| private: // lang&raw | |
| String::Untaint_lang flang; | |
| private: // defaults | |
| const String::Untaint_lang fdefault_lang; | |
| Value *fdefault_content_type; | |
| private: // lang manipulation | |
| String::Untaint_lang set_lang(String::Untaint_lang alang) { | |
| String::Untaint_lang result=flang; | |
| flang=alang; | |
| return result; | |
| } | |
| void restore_lang(String::Untaint_lang alang) { | |
| flang=alang; | |
| } | |
| private: | |
| void output_result(const String& body_string); | |
| }; | }; |
| // core func | /// Auto-object used for temporary changing Request::flang. |
| void core(); | class Temp_lang { |
| Request& frequest; | |
| String::Untaint_lang saved_lang; | |
| public: | |
| Temp_lang(Request& arequest, String::Untaint_lang alang) : | |
| frequest(arequest), | |
| saved_lang(arequest.set_lang(alang)) { | |
| } | |
| ~Temp_lang() { | |
| frequest.restore_lang(saved_lang); | |
| } | |
| }; | |
| #endif | #endif |