|
|
| version 1.75, 2001/03/24 11:33:27 | version 1.97, 2001/04/05 18:23:00 |
|---|---|
| Line 10 | Line 10 |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include <locale.h> | |
| #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 17 | Line 19 |
| #include "pa_vclass.h" | #include "pa_vclass.h" |
| #include "_root.h" | #include "_root.h" |
| #include "_table.h" | #include "_table.h" |
| #include "_file.h" | |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_vint.h" | #include "pa_vint.h" |
| #include "pa_vmframe.h" | #include "pa_vmframe.h" |
| #include "pa_types.h" | #include "pa_types.h" |
| #include "pa_vtable.h" | |
| #include "_random.h" | |
| #include "pa_vfile.h" | |
| /// $limits.post_max_size default 10M | /// $limits.post_max_size default 10M |
| const size_t MAX_POST_SIZE_DEFAULT=10*0x400*400; | const size_t MAX_POST_SIZE_DEFAULT=10*0x400*400; |
| /// content type of exception response, when no @MAIN:exception handler defined | |
| const char *UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain"; | |
| /// 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"; |
| // | // |
| Line 40 Request::Request(Pool& apool, | Line 51 Request::Request(Pool& apool, |
| fclasses(apool), | fclasses(apool), |
| fdefault_lang(adefault_lang), flang(adefault_lang), | fdefault_lang(adefault_lang), flang(adefault_lang), |
| info(ainfo), | info(ainfo), |
| used_files(apool), | |
| default_content_type(0), | default_content_type(0), |
| used_files(apool) | mime_types(0), |
| connection(0), protocol2library(0) | |
| { | { |
| // root superclass, | // root superclass, |
| // parent of all classes, | // parent of all classes, |
| Line 50 Request::Request(Pool& apool, | Line 63 Request::Request(Pool& apool, |
| classes().put(*root_class_name, &ROOT); | classes().put(*root_class_name, &ROOT); |
| // table class | // table class |
| classes().put(*table_class_name, table_class); | classes().put(*table_class_name, table_class); |
| // file class | |
| classes().put(*file_class_name, file_class); | |
| // random class | |
| classes().put(*random_class_name, random_class); | |
| // env class | // env class |
| classes().put(*env_class_name, &env); | classes().put(*env_class_name, &env); |
| // form class | // form class |
| Line 85 static void add_header_attribute(const H | Line 101 static void add_header_attribute(const H |
| the file user requested us to process | the file user requested us to process |
| all located classes become children of one another, | all located classes become children of one another, |
| composing class we name 'MAIN' | composing class we name 'MAIN' |
| @todo figure out 'setlocale' thread safety | |
| */ | */ |
| void Request::core(const char *root_auto_path, bool root_auto_fail, | void Request::core(const char *root_auto_path, bool root_auto_fail, |
| const char *site_auto_path, bool site_auto_fail, | const char *site_auto_path, bool site_auto_fail, |
| Line 96 void Request::core(const char *root_auto | Line 114 void Request::core(const char *root_auto |
| // loading root auto.p | // loading root auto.p |
| if(root_auto_path) { | if(root_auto_path) { |
| strncpy(auto_filespec, root_auto_path, MAX_STRING-strlen("/" AUTO_FILE_NAME)); | String& filespec=*NEW String(pool()); |
| strcat(auto_filespec, "/" AUTO_FILE_NAME); | filespec.APPEND_CLEAN(root_auto_path, 0, "root_auto", 0); |
| filespec.APPEND_CONST("/" AUTO_FILE_NAME); | |
| main_class=use_file( | main_class=use_file( |
| auto_filespec, root_auto_fail, | filespec, root_auto_fail, |
| main_class_name, main_class); | main_class_name, main_class); |
| } | } |
| // $MAIN:limits hash used here, | // $MAIN:LIMITS hash used here, |
| // until someone with less privileges have overriden them | // until someone with less privileges have overriden them |
| Value *limits=main_class?main_class->get_element(*limits_name):0; | { |
| Value *element; | Value *limits=main_class?main_class->get_element(*limits_name):0; |
| // $limits.post_max_size default 10M | // $limits.post_max_size default 10M |
| element=limits?limits->get_element(*post_max_size_name):0; | Value *element=limits?limits->get_element(*post_max_size_name):0; |
| size_t value=element?(size_t)element->get_double():0; | size_t value=element?(size_t)element->as_double():0; |
| size_t post_max_size=value?value:MAX_POST_SIZE_DEFAULT; | size_t post_max_size=value?value:MAX_POST_SIZE_DEFAULT; |
| form.fill_fields(*this, post_max_size); | |
| } | |
| form.fill_fields(*this, post_max_size); | // filling cookies |
| cookie.fill_fields(*this); | cookie.fill_fields(*this); |
| // loading site auto.p | // loading site auto.p |
| if(site_auto_path) { | if(site_auto_path) { |
| strncpy(auto_filespec, site_auto_path, MAX_STRING-strlen("/" AUTO_FILE_NAME)); | String& filespec=*NEW String(pool()); |
| strcat(auto_filespec, "/" AUTO_FILE_NAME); | filespec.APPEND_CLEAN(site_auto_path, 0, "site_auto", 0); |
| filespec.APPEND_CONST("/" AUTO_FILE_NAME); | |
| main_class=use_file( | main_class=use_file( |
| auto_filespec, site_auto_fail, | filespec, site_auto_fail, |
| main_class_name, main_class); | main_class_name, main_class); |
| } | } |
| Line 129 void Request::core(const char *root_auto | Line 152 void Request::core(const char *root_auto |
| // all assigned bases from upper dir | // all assigned bases from upper dir |
| { | { |
| /* /document/root */ | /* /document/root */ |
| char *monkey_auto_path= | char *file_spec= |
| (char *)malloc(strlen(info.path_translated)+strlen(AUTO_FILE_NAME)+1); | (char *)malloc(strlen(info.path_translated)+strlen(AUTO_FILE_NAME)+1); |
| strcpy(monkey_auto_path, info.document_root); | size_t document_root_size=strlen(info.document_root); |
| if(info.document_root[document_root_size-1]=='/') | |
| document_root_size--; | |
| memcpy(file_spec, info.document_root, document_root_size); | |
| /* /requested/file.html */ | /* /requested/file.html */ |
| char *branches=(char *)malloc(strlen(info.path_translated)+1); | char *branches=(char *)malloc(strlen(info.path_translated)+1); |
| strcpy(branches, info.path_translated+strlen(info.document_root)); | strcpy(branches, info.path_translated+document_root_size); |
| char *next=branches; | char *next=branches; |
| char *append_here=file_spec+document_root_size; | |
| char *append_here=monkey_auto_path+strlen(monkey_auto_path); | |
| size_t slash_auto_p_size=strlen("/" AUTO_FILE_NAME); | size_t slash_auto_p_size=strlen("/" AUTO_FILE_NAME); |
| while(true) { | while(true) { |
| char *step=lsplit(&next, '/'); | char *step=lsplit(&next, '/'); |
| Line 149 void Request::core(const char *root_auto | Line 175 void Request::core(const char *root_auto |
| memcpy(append_here, "/" AUTO_FILE_NAME, slash_auto_p_size+1); | memcpy(append_here, "/" AUTO_FILE_NAME, slash_auto_p_size+1); |
| append_here++/* / */; | append_here++/* / */; |
| main_class=use_file(monkey_auto_path, false/*ignore read problem*/, | String& sfile_spec=*NEW String(pool()); |
| sfile_spec.APPEND_CLEAN(file_spec, 0, "scanned", 0); | |
| main_class=use_file(sfile_spec, false/*ignore read problem*/, | |
| main_class_name, main_class); | main_class_name, main_class); |
| } else | } else |
| break; | break; |
| Line 157 void Request::core(const char *root_auto | Line 185 void Request::core(const char *root_auto |
| } | } |
| // compiling requested file | // compiling requested file |
| main_class=use_file(info.path_translated, true/*don't ignore read problem*/, | String& spath_translated=*NEW String(pool()); |
| spath_translated.APPEND_CLEAN(info.path_translated, 0, "user-request", 0); | |
| main_class=use_file(spath_translated, true/*don't ignore read problem*/, | |
| main_class_name, main_class); | main_class_name, main_class); |
| // $MAIN:defaults | // $MAIN:DEFAULTS |
| Value *defaults=main_class?main_class->get_element(*defaults_name):0; | Value *defaults=main_class->get_element(*defaults_name); |
| // value must be allocated on request's pool for that pool used on | // value must be allocated on request's pool for that pool used on |
| // meaning constructing @see attributed_meaning_to_string | // meaning constructing @see attributed_meaning_to_string |
| default_content_type=defaults? | default_content_type=defaults?defaults->get_element(*content_type_name):0; |
| defaults->get_element(*content_type_name) | if(Value *element=main_class->get_element(*html_typo_name)) |
| :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE)); | if(Table *table=element->get_table()) |
| pool().set_tag(table); | |
| // $MAIN:SQL.drivers | |
| if(Value *sql=main_class->get_element(*main_sql_name)) | |
| if(Value *element=sql->get_element(*main_sql_drivers_name)) | |
| protocol2library=element->get_table(); | |
| // $MAIN:MIME-TYPES | |
| if(Value *element=main_class->get_element(*mime_types_name)) | |
| if(Table *table=element->get_table()) | |
| mime_types=table; | |
| // $MAIN:LOCALE.ctype[Russian_Russia.1251] | |
| /* | |
| #define LC_ALL 0 | |
| #define LC_COLLATE 1 | |
| #define LC_CTYPE 2 | |
| #define LC_MONETARY 3 | |
| #define LC_NUMERIC 4 | |
| #define LC_TIME 5 | |
| */ | |
| if(Value *locale=main_class->get_element(*locale_name)) | |
| if(Value *element=locale->get_element(*locale_ctype_name)) { | |
| const String& name=element->as_string(); | |
| if(!setlocale(LC_CTYPE, name.cstr())) | |
| THROW(0, 0, | |
| &name, | |
| "locale is invalid"); | |
| } | |
| // execute @main[] | // execute @main[] |
| const String *body_string=execute_method(*main_class, *main_method_name); | const String *body_string=execute_method(*main_class, *main_method_name); |
| Line 175 void Request::core(const char *root_auto | Line 234 void Request::core(const char *root_auto |
| 0, | 0, |
| "'"MAIN_METHOD_NAME"' method not found"); | "'"MAIN_METHOD_NAME"' method not found"); |
| VString body_vstring_before_post_process(*body_string); | |
| VString *body_vstring_after_post_process=&body_vstring_before_post_process; | |
| // post-process | |
| if(Value *value=main_class->get_element(*post_process_method_name)) | |
| if(Junction *junction=value->get_junction()) | |
| if(const Method *method=junction->method) { | |
| // preparing to pass parameters to | |
| // @post-process[data] | |
| VMethodFrame frame(pool(), *junction); | |
| frame.set_self(*main_class); | |
| frame.store_param(method->name, | |
| &body_vstring_before_post_process); | |
| body_vstring_after_post_process= | |
| NEW VString(*execute_method(frame, *method)); | |
| } | |
| const VFile *body_file=body_vstring_after_post_process->as_vfile(); | |
| // extract response body | // extract response body |
| Value *body_value=static_cast<Value *>( | Value *body_value=static_cast<Value *>( |
| response.fields().get(*body_name)); | response.fields().get(*body_name)); |
| if(body_value) // there is some $request.body | if(body_value) // there is some $request.body |
| body_string=&body_value->as_string();// TODO: IMAGE&FILE | body_file=body_value->as_vfile(); |
| // OK. write out the result | // OK. write out the result |
| output_result(*body_string, header_only); | output_result(*body_file, header_only); |
| } | } |
| CATCH(e) { | CATCH(e) { // request handling problem |
| // we're returning not result, but error explanation | |
| TRY { | TRY { |
| // we're returning not result, but error explanation | // log the beast |
| const String *problem_source=e.problem_source(); | |
| if(problem_source) | |
| SAPI::log(pool(), | |
| #ifndef NO_STRING_ORIGIN | |
| "%s(%d): " | |
| #endif | |
| "'%s' %s [%s %s]", | |
| #ifndef NO_STRING_ORIGIN | |
| problem_source->origin().file?problem_source->origin().file:"global", | |
| problem_source->origin().line, | |
| #endif | |
| problem_source->cstr(), | |
| e.comment(), | |
| e.type()?e.type()->cstr():"-", | |
| e.code()?e.code()->cstr():"-" | |
| ); | |
| else | |
| SAPI::log(pool(), | |
| "%s [%s %s]", | |
| e.comment(), | |
| e.type()?e.type()->cstr():"-", | |
| e.code()?e.code()->cstr():"-" | |
| ); | |
| // reset language to default | // reset language to default |
| flang=fdefault_lang; | flang=fdefault_lang; |
| Line 210 void Request::core(const char *root_auto | Line 313 void Request::core(const char *root_auto |
| const String *problem_source=e.problem_source(); | const String *problem_source=e.problem_source(); |
| // origin | // origin |
| String origin_name(pool(), "origin"); | |
| Value *origin_value=0; | Value *origin_value=0; |
| #ifndef NO_STRING_ORIGIN | #ifndef NO_STRING_ORIGIN |
| if(problem_source) { | if(problem_source) { |
| Line 225 void Request::core(const char *root_auto | Line 327 void Request::core(const char *root_auto |
| } | } |
| } | } |
| #endif | #endif |
| frame.store_param(origin_name, | frame.store_param(method->name, |
| origin_value?origin_value:NEW VUnknown(pool())); | origin_value?origin_value:NEW VUnknown(pool())); |
| // source | // source |
| String source_name(pool(), "source"); | |
| Value *source_value=0; | Value *source_value=0; |
| if(problem_source) { | if(problem_source) { |
| String& problem_source_copy=*NEW String(pool()); | String& problem_source_copy=*NEW String(pool()); |
| Line 237 void Request::core(const char *root_auto | Line 338 void Request::core(const char *root_auto |
| flang, true); | flang, true); |
| source_value=NEW VString(problem_source_copy); | source_value=NEW VString(problem_source_copy); |
| } | } |
| frame.store_param(source_name, | frame.store_param(method->name, |
| source_value?source_value:NEW VUnknown(pool())); | source_value?source_value:NEW VUnknown(pool())); |
| // comment | // comment |
| String comment_name(pool(), "comment"); | |
| String *comment_value=NEW String(pool(), | String *comment_value=NEW String(pool(), |
| e.comment(), true); | e.comment(), true); |
| frame.store_param(comment_name, | frame.store_param(method->name, |
| NEW VString(*comment_value)); | NEW VString(*comment_value)); |
| // type | // type |
| String type_name(pool(), "type"); | |
| Value *type_value; | Value *type_value; |
| if(e.type()) { | if(e.type()) { |
| String& type_copy=*NEW String(pool()); | String& type_copy=*NEW String(pool()); |
| Line 256 void Request::core(const char *root_auto | Line 355 void Request::core(const char *root_auto |
| flang, true)); | flang, true)); |
| } else | } else |
| type_value=NEW VUnknown(pool()); | type_value=NEW VUnknown(pool()); |
| frame.store_param(type_name, type_value); | frame.store_param(method->name, type_value); |
| // code | // code |
| String code_name(pool(), "code"); | |
| Value *code_value; | Value *code_value; |
| if(e.code()) { | if(e.code()) { |
| String& code_copy=*NEW String(pool()); | String& code_copy=*NEW String(pool()); |
| Line 267 void Request::core(const char *root_auto | Line 365 void Request::core(const char *root_auto |
| flang, true)); | flang, true)); |
| } else | } else |
| code_value=NEW VUnknown(pool()); | code_value=NEW VUnknown(pool()); |
| frame.store_param(code_name, code_value); | frame.store_param(method->name, code_value); |
| // future $response:body= | // future $response:body= |
| // execute ^exception[origin;source;comment;type;code] | // execute ^exception[origin;source;comment;type;code] |
| Line 306 void Request::core(const char *root_auto | Line 404 void Request::core(const char *root_auto |
| // 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(), "text/plain"))); | NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE))); |
| // future $response:body | // future $response:body |
| body_string=NEW String(pool(), buf); | body_string=NEW String(pool(), buf); |
| } | } |
| const VString body_vstring(*body_string); | |
| const VFile *body_file=body_vstring.as_vfile(); | |
| // ERROR. write it out | // ERROR. write it out |
| output_result(*body_string, header_only); | output_result(*body_file, header_only); |
| } | } |
| CATCH(e) { | CATCH(e) { |
| // exception in request exception handler | // exception in request exception handler |
| Line 324 void Request::core(const char *root_auto | Line 425 void Request::core(const char *root_auto |
| END_CATCH // do not use pool() after this point - no exception handler set | END_CATCH // do not use pool() after this point - no exception handler set |
| // any throw() would try to use zero exception() pointer | // any throw() would try to use zero exception() pointer |
| if(need_rethrow) // there were an exception set for us to rethrow? | if(need_rethrow) // were there an exception for us to rethrow? |
| THROW(rethrow_me.type(), rethrow_me.code(), | THROW(rethrow_me.type(), rethrow_me.code(), |
| rethrow_me.problem_source(), | rethrow_me.problem_source(), |
| rethrow_me.comment()); | rethrow_me.comment()); |
| } | } |
| VStateless_class *Request::use_file(const char *file, bool fail_on_read_problem, | VStateless_class *Request::use_file(const String& file_spec, bool fail_on_read_problem, |
| const String *name, | const String *name, |
| VStateless_class *base_class) { | VStateless_class *base_class) { |
| // cyclic dependence check | // cyclic dependence check |
| String& sfile=*NEW String(pool(), file); | if(used_files.get(file_spec)) |
| if(used_files.get(sfile)) | |
| return base_class; | return base_class; |
| used_files.put(sfile, (Hash::Val *)true); | used_files.put(file_spec, (Hash::Val *)true); |
| char *source=file_read_text(pool(), file, fail_on_read_problem); | char *source=file_read_text(pool(), file_spec, fail_on_read_problem); |
| if(!source) | if(!source) |
| return base_class; | return base_class; |
| return use_buf(source, file, 0/*new class*/, name, base_class); | return use_buf(source, file_spec.cstr(), 0/*new class*/, name, base_class); |
| } | } |
| VStateless_class *Request::use_buf(const char *source, const char *file, | VStateless_class *Request::use_buf(const char *source, const char *file, |
| Line 372 void Request::fail_if_junction_(bool is, | Line 471 void Request::fail_if_junction_(bool is, |
| msg); | msg); |
| } | } |
| char *Request::relative(const char *path, const char *file) { | const String& Request::relative(const char *apath, const String& relative_name) { |
| char *result=(char *)malloc(strlen(path)+strlen(file)+1); | int lpath_buf_size=strlen(apath)+1; |
| strcpy(result, path); | char *lpath=(char *)malloc(lpath_buf_size); |
| rsplit(result, '/'); | memcpy(lpath, apath, lpath_buf_size); |
| strcat(result, "/"); | rsplit(lpath, '/'); |
| strcat(result, file); | String& result=*NEW String(pool(), lpath); |
| result.APPEND_CONST("/"); | |
| result.append(relative_name, String::UL_PASS_APPENDED); | |
| return result; | return result; |
| } | } |
| char *Request::absolute(const char *name) { | const String& Request::absolute(const String& relative_name) { |
| if(name[0]=='/') { | char *relative_name_cstr=relative_name.cstr(); |
| char *result=(char *)malloc(strlen(info.document_root)+strlen(name)+1); | if(relative_name_cstr[0]=='/') { |
| strcpy(result, info.document_root); | String& result=*NEW String(pool(), info.document_root); |
| strcat(result, name); | result.append(relative_name, String::UL_PASS_APPENDED); |
| return result; | return result; |
| } else | } else |
| return relative(info.path_translated, name); | return relative(info.path_translated, relative_name); |
| } | } |
| void Request::output_result(const String& body_string, bool header_only) { | void Request::output_result(const VFile& body_file, bool header_only) { |
| // header: cookies | // header: cookies |
| cookie.output_result(); | cookie.output_result(); |
| // set default content-type | // set content-type |
| response.fields().put_dont_replace(*content_type_name, default_content_type); | if(String *body_file_content_type=static_cast<String *>( |
| body_file.fields().get(*vfile_mime_type_name))) { | |
| // body file content type | |
| response.fields().put(*content_type_name, body_file_content_type); | |
| } else { | |
| // default content type | |
| response.fields().put_dont_replace(*content_type_name, | |
| default_content_type?default_content_type | |
| :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE))); | |
| } | |
| // content-disposition | |
| if(VString *vfile_name=static_cast<VString *>(body_file.fields().get(*name_name))) { | |
| VHash& vhash=*NEW VHash(pool()); | |
| vhash.hash().put(*content_disposition_filename_name, vfile_name); | |
| response.fields().put(*content_disposition_name, &vhash); | |
| } | |
| // prepare header: $response:fields without :body | // prepare header: $response:fields without :body |
| response.fields().for_each(add_header_attribute, /*excluding*/ body_name); | response.fields().for_each(add_header_attribute, /*excluding*/ body_name); |
| // prepare... | // prepare... |
| const char *body=body_string.cstr(); | const void *body=body_file.value_ptr(); |
| size_t content_length=strlen(body); | size_t content_length=body_file.value_size(); |
| // prepare header: content-length | // prepare header: content-length |
| if(content_length) { // useful for redirecting [header "location: http://..."] | if(content_length) { // useful for redirecting [header "location: http://..."] |