--- parser3/src/main/pa_request.C 2001/04/07 10:34:45 1.101 +++ parser3/src/main/pa_request.C 2001/10/02 11:07:45 1.165 @@ -2,84 +2,95 @@ Parser: request class main part. @see compile.C and execute.C. Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) - $Id: pa_request.C,v 1.101 2001/04/07 10:34:45 paf Exp $ + $Id: pa_request.C,v 1.165 2001/10/02 11:07:45 parser Exp $ */ #include "pa_config_includes.h" - -#include - #include "pa_sapi.h" #include "pa_common.h" #include "pa_request.h" #include "pa_wwrapper.h" #include "pa_vclass.h" -#include "_op.h" -#include "_table.h" -#include "_file.h" #include "pa_globals.h" #include "pa_vint.h" -#include "pa_vmframe.h" +#include "pa_vmethod_frame.h" #include "pa_types.h" #include "pa_vtable.h" -#include "_random.h" #include "pa_vfile.h" -#include "_mail.h" - -/// $limits.post_max_size default 10M -const size_t MAX_POST_SIZE_DEFAULT=10*0x400*400; +#include "pa_dictionary.h" +#include "pa_charset_manager.h" /// 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 *ORIGINS_CONTENT_TYPE="text/plain"; + +Methoded *MOP_create(Pool&); + +static void load_charset(const Hash::Key& akey, Hash::Val *avalue, + void *info) { + Value& value=*static_cast(avalue); + Hash& CTYPE=*static_cast(info); + + Charset_connection& connection=charset_manager->get_connection(akey, value.as_string()); + + // charset->pcre_tables + CTYPE.put(akey, connection.pcre_tables()); +} // Request::Request(Pool& apool, Info& ainfo, String::Untaint_lang adefault_lang) : Pooled(apool), stack(apool), - OP(apool), + OP(*MOP_create(apool)), env(apool), form(apool), + math(apool), request(apool, *this), response(apool), cookie(apool), fclasses(apool), + CTYPE(apool), fdefault_lang(adefault_lang), flang(adefault_lang), info(ainfo), + post_data(0), post_size(0), used_files(apool), default_content_type(0), mime_types(0), - connection(0), protocol2library(0) + main_class(0), + connection(0), + classes_conf(apool), + anti_endless_execute_recoursion(0) { - // root superclass, - // parent of all classes, - // operators holder - initialize_op_class(pool(), OP); - classes().put(*op_class_name, &OP); - // 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); + /// directly used + // operators + OP.register_directly_used(*this); + // classes: + // table, file, random, mail, image, ... + methoded_array->register_directly_used(*this); + + /// methodless // env class - classes().put(*env_class_name, &env); - // form class - classes().put(*form_class_name, &form); + classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env); // request class - classes().put(*request_class_name, &request); - // response class - classes().put(*response_class_name, &response); + classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request); // cookie class - classes().put(*cookie_class_name, &cookie); - // mail class - classes().put(*mail_class_name, mail_class); + classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie); + + /// methoded + // response class + classes().put(response.get_class()->name(), &response); + + /// bases used + // form class + classes().put(form.get_class()->base()->name(), &form); + // math class + classes().put(math.get_class()->base()->name(), &math); } /** @@ -89,49 +100,54 @@ Request::Request(Pool& apool, the file user requested us to process all located classes become children of one another, composing class we name 'MAIN' - - @todo figure out 'setlocale' thread safety */ -void Request::core(const char *root_auto_path, bool root_auto_fail, - const char *site_auto_path, bool site_auto_fail, +void Request::core( + const char *root_config_filespec, bool root_config_fail_on_read_problem, + const char *site_config_filespec, bool site_config_fail_on_read_problem, bool header_only) { - VStateless_class *main_class=0; + //_asm { int 3 } bool need_rethrow=false; Exception rethrow_me; TRY { char *auto_filespec=(char *)malloc(MAX_STRING); - // loading root auto.p - if(root_auto_path) { + // loading root config + if(root_config_filespec) { String& filespec=*NEW String(pool()); - filespec.APPEND_CLEAN(root_auto_path, 0, "root_auto", 0); - filespec.APPEND_CONST("/" AUTO_FILE_NAME); + filespec.APPEND_CLEAN(root_config_filespec, 0, "root_config", 0); main_class=use_file( - filespec, root_auto_fail, + filespec, + true/*ignore class_path*/, root_config_fail_on_read_problem, main_class_name, main_class); } - // $MAIN:LIMITS hash used here, - // until someone with less privileges have overriden them - { - Value *limits=main_class?main_class->get_element(*limits_name):0; - // $limits.post_max_size default 10M - Value *element=limits?limits->get_element(*post_max_size_name):0; - size_t value=element?(size_t)element->as_double():0; - size_t post_max_size=value?value:MAX_POST_SIZE_DEFAULT; - - form.fill_fields(*this, post_max_size); + if(main_class) { + /* $MAIN:CHARSETS[ + $.charsetname1[/full/path/to/charset/file.cfg] + ... + ] + */ + if(Value *vcharsets=main_class->get_element(*charsets_name)) { + if(Hash *charsets=vcharsets->get_hash()) + charsets->for_each(load_charset, &CTYPE); + else + THROW(0, 0, + &vcharsets->name(), + "must be hash"); + } } - // filling cookies - cookie.fill_fields(*this); + // configure root options + // until someone with less privileges have overriden them + OP.configure_admin(*this); + methoded_array->configure_admin(*this); - // loading site auto.p - if(site_auto_path) { + // loading site config + if(site_config_filespec) { String& filespec=*NEW String(pool()); - filespec.APPEND_CLEAN(site_auto_path, 0, "site_auto", 0); - filespec.APPEND_CONST("/" AUTO_FILE_NAME); + filespec.APPEND_CLEAN(site_config_filespec, 0, "site_config", 0); main_class=use_file( - filespec, site_auto_fail, + filespec, + true/*ignore class_path*/, site_config_fail_on_read_problem, main_class_name, main_class); } @@ -139,99 +155,88 @@ void Request::core(const char *root_auto // to the one beside requested file. // all assigned bases from upper dir { - /* /document/root */ - char *file_spec= - (char *)malloc(strlen(info.path_translated)+strlen(AUTO_FILE_NAME)+1); - 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 */ - char *branches=(char *)malloc(strlen(info.path_translated)+1); - strcpy(branches, info.path_translated+document_root_size); - char *next=branches; - char *append_here=file_spec+document_root_size; - - size_t slash_auto_p_size=strlen("/" AUTO_FILE_NAME); - while(true) { - char *step=lsplit(&next, '/'); - if(next) { // not 'file.html' part - size_t step_size=strlen(step); - memcpy(append_here, step, step_size); - append_here+=step_size; - memcpy(append_here, "/" AUTO_FILE_NAME, slash_auto_p_size+1); - append_here++/* / */; - - 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*/, + const char *after=info.path_translated; + size_t drlen=strlen(info.document_root); + if(memcmp(after, info.document_root, drlen)==0) { + after+=drlen; + if(after[-1]=='/') + --after; + } + + int step=0; + while(const char *before=strchr(after, '/')) { + String& sfile_spec=*NEW String(pool()); + if(after!=info.path_translated) { + sfile_spec.APPEND_CLEAN( + info.path_translated, before-info.path_translated, + "path-translated-scanned", step++); + sfile_spec << "/" AUTO_FILE_NAME; + + main_class=use_file(sfile_spec, + true/*ignore class_path*/, false/*ignore read problem*/, main_class_name, main_class); - } else - break; + } + after=before+1; } } - // compiling requested file + // compile requested file 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*/, + spath_translated.APPEND_TAINTED(info.path_translated, 0, "user-request", 0); + main_class=use_file(spath_translated, + true/*ignore class_path*/, true/*don't ignore read problem*/, main_class_name, main_class); + // configure not-root=user options + OP.configure_user(*this); + methoded_array->configure_user(*this); + // $MAIN:DEFAULTS Value *defaults=main_class->get_element(*defaults_name); // value must be allocated on request's pool for that pool used on // meaning constructing @see attributed_meaning_to_string default_content_type=defaults?defaults->get_element(*content_type_name):0; - if(Value *element=main_class->get_element(*html_typo_name)) - if(Table *table=element->get_table()) - pool().set_tag(table); +#ifdef XML + // record default charset + if(default_content_type) + if(Hash *hash=default_content_type->get_hash()) + if(Value *vcharset=(Value *)hash->get(*charset_name)) + pool().set_charset(vcharset->as_string()); +#endif - // $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(); + if(Value *element=main_class->get_element(*user_html_name)) + if(Table *table=element->get_table()) + pool().set_tag(NEW Dictionary(*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"); - } + // filling form fields + form.fill_fields_and_tables(*this); + + // filling cookies + cookie.fill_fields(*this); // execute @main[] - const String *body_string=execute_method(*main_class, *main_method_name); + const String *body_string=execute_virtual_method( + *main_class, *main_method_name); if(!body_string) THROW(0,0, - 0, - "'"MAIN_METHOD_NAME"' method not found"); + 0, + "'"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 + // @postprocess 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, false); + // @postprocess[data] + VMethodFrame frame(pool(), value->name(), *junction); frame.set_self(*main_class); frame.store_param(method->name, @@ -240,13 +245,19 @@ void Request::core(const char *root_auto NEW VString(*execute_method(frame, *method)); } - const VFile *body_file=body_vstring_after_post_process->as_vfile(); + bool origins_mode=main_class->get_element(*origins_mode_name)!=0; + + const VFile *body_file=body_vstring_after_post_process->as_vfile( + String::UL_UNSPECIFIED, origins_mode); // extract response body Value *body_value=static_cast( response.fields().get(*body_name)); - if(body_value) // there is some $request.body + if(body_value) // there is some $response.body body_file=body_value->as_vfile(); + else if(origins_mode) + response.fields().put(*content_type_name, + NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE))); // OK. write out the result output_result(*body_file, header_only); @@ -256,7 +267,7 @@ void Request::core(const char *root_auto TRY { // log the beast const String *problem_source=e.problem_source(); - if(problem_source) + if(problem_source && problem_source->size()) SAPI::log(pool(), #ifndef NO_STRING_ORIGIN "%s(%d): " @@ -281,6 +292,8 @@ void Request::core(const char *root_auto // reset language to default flang=fdefault_lang; + if(flang==String::UL_USER_HTML) + flang=String::UL_HTML; // no _ & Co conversions in @exception[params] // reset response response.fields().clear(); @@ -296,42 +309,42 @@ void Request::core(const char *root_auto if(const Method *method=junction->method) { // preparing to pass parameters to // @exception[origin;source;comment;type;code] - VMethodFrame frame(pool(), *junction, false); + VMethodFrame frame(pool(), value->name(), *junction); frame.set_self(*main_class); const String *problem_source=e.problem_source(); // origin Value *origin_value=0; #ifndef NO_STRING_ORIGIN - if(problem_source) { + if(problem_source && problem_source->size()) { const Origin& origin=problem_source->origin(); if(origin.file) { char *buf=(char *)malloc(MAX_STRING); - snprintf(buf, MAX_STRING, "%s(%d):", + size_t buf_size=snprintf(buf, MAX_STRING, "%s(%d):", origin.file, 1+origin.line); String *origin_file_line=NEW String(pool(), - buf, true); + buf, buf_size, true); origin_value=NEW VString(*origin_file_line); } } #endif frame.store_param(method->name, - origin_value?origin_value:NEW VUnknown(pool())); + origin_value?origin_value:NEW VVoid(pool())); // source Value *source_value=0; - if(problem_source) { + if(problem_source && problem_source->size()) { String& problem_source_copy=*NEW String(pool()); problem_source_copy.append(*problem_source, flang, true); source_value=NEW VString(problem_source_copy); } frame.store_param(method->name, - source_value?source_value:NEW VUnknown(pool())); + source_value?source_value:NEW VVoid(pool())); // comment String *comment_value=NEW String(pool(), - e.comment(), true); + e.comment(), 0, true); frame.store_param(method->name, NEW VString(*comment_value)); @@ -342,7 +355,7 @@ void Request::core(const char *root_auto type_value=NEW VString(type_copy.append(*e.type(), flang, true)); } else - type_value=NEW VUnknown(pool()); + type_value=NEW VVoid(pool()); frame.store_param(method->name, type_value); // code @@ -352,7 +365,7 @@ void Request::core(const char *root_auto code_value=NEW VString(code_copy.append(*e.code(), flang, true)); } else - code_value=NEW VUnknown(pool()); + code_value=NEW VVoid(pool()); frame.store_param(method->name, code_value); // future $response:body= @@ -397,7 +410,7 @@ void Request::core(const char *root_auto body_string=NEW String(pool(), buf); } - const VString body_vstring(*body_string); + VString body_vstring(*body_string); const VFile *body_file=body_vstring.as_vfile(); // ERROR. write it out @@ -419,20 +432,53 @@ void Request::core(const char *root_auto rethrow_me.comment()); } -VStateless_class *Request::use_file(const String& file_spec, bool fail_on_read_problem, +VStateless_class *Request::use_file(const String& file_name, + bool ignore_class_path, bool fail_on_read_problem, const String *name, VStateless_class *base_class) { // cyclic dependence check - if(used_files.get(file_spec)) + if(used_files.get(file_name)) return base_class; - used_files.put(file_spec, (Hash::Val *)true); + used_files.put(file_name, (Hash::Val *)true); + 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? + file_spec=&absolute(file_name); + else { + file_spec=0; + if(main_class) + if(Value *element=main_class->get_element(*class_path_name)) { + if(element->is_string()) { + file_spec=file_readable(element->as_string(), file_name); // found at class_path? + } else if(Table *table=element->get_table()) { + int size=table->size(); + for(int i=size; i--; ) { + const String& path=*static_cast(table->get(i))->get_string(0); + if(file_spec=file_readable(path, file_name)) + break; // found along class_path + } + } else + THROW(0, 0, + &element->name(), + "must be string or table"); + if(!file_spec) + THROW(0, 0, + &file_name, + "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME); + } + if(!file_spec) + THROW(0, 0, + &file_name, + "usage failed - no " MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified"); + } - char *source=file_read_text(pool(), file_spec, fail_on_read_problem); + char *source=file_read_text(pool(), *file_spec, fail_on_read_problem); if(!source) return base_class; - return use_buf(source, file_spec.cstr(), 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, @@ -442,31 +488,18 @@ VStateless_class *Request::use_buf(const VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file); // locate and execute possible @auto[] static method - execute_method(cclass, *auto_method_name, false /*no result needed*/); + execute_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/); return &cclass; } -/** - - fail_if_junction(true, junction = fail - - fail_if_junction(false, not junction = fail -*/ -void Request::fail_if_junction_(bool is, Value& value, - const String& method_name, const char *msg) { - - if((value.get_junction()!=0) ^ !is) - THROW(0, 0, - &method_name, - msg); -} - const String& Request::relative(const char *apath, const String& relative_name) { int lpath_buf_size=strlen(apath)+1; char *lpath=(char *)malloc(lpath_buf_size); memcpy(lpath, apath, lpath_buf_size); - rsplit(lpath, '/'); + if(!rsplit(lpath, '/')) + strcpy(lpath, "."); String& result=*NEW String(pool(), lpath); - result.APPEND_CONST("/"); - result.append(relative_name, String::UL_PASS_APPENDED); + result << "/" << relative_name; return result; } @@ -474,7 +507,7 @@ const String& Request::absolute(const St char *relative_name_cstr=relative_name.cstr(); if(relative_name_cstr[0]=='/') { String& result=*NEW String(pool(), info.document_root); - result.append(relative_name, String::UL_PASS_APPENDED); + result << relative_name; return result; } else return relative(info.path_translated, relative_name); @@ -489,9 +522,8 @@ static void add_header_attribute(const H Value& lmeaning=*static_cast(ameaning); Pool& pool=lmeaning.pool(); - String attribute(pool); SAPI::add_header_attribute(pool, - attribute.append(aattribute, String::UL_HTTP_HEADER, true).cstr(), + aattribute.cstr(String::UL_AS_IS), attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr()); } void Request::output_result(const VFile& body_file, bool header_only) { @@ -511,11 +543,12 @@ void Request::output_result(const VFile& } // content-disposition - if(VString *vfile_name=static_cast(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); - } + if(VString *vfile_name=static_cast(body_file.fields().get(*name_name))) + if(vfile_name->string()!=NONAME_DAT) { + 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 response.fields().for_each(add_header_attribute, /*excluding*/ body_name); @@ -527,7 +560,7 @@ void Request::output_result(const VFile& // prepare header: content-length if(content_length) { // useful for redirecting [header "location: http://..."] char content_length_cstr[MAX_NUMBER]; - snprintf(content_length_cstr, MAX_NUMBER, "%lu", content_length); + snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length); SAPI::add_header_attribute(pool(), "content-length", content_length_cstr); } @@ -538,3 +571,22 @@ void Request::output_result(const VFile& if(!header_only) SAPI::send_body(pool(), body, content_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(pool(), ++cext); + if(mime_types->locate(0, sext)) + if(const String *result=mime_types->item(1)) + return *result; + else + THROW(0, 0, + mime_types->origin_string(), + "MIME-TYPE table column elements must not be empty"); + } + return *NEW String(pool(), "application/octet-stream"); +} + +const unsigned char *Request::pcre_tables() { + return (const unsigned char *)CTYPE.get(pool().get_charset()); +}