--- parser3/src/classes/file.C 2001/03/19 20:46:35 1.2 +++ parser3/src/classes/file.C 2001/03/30 05:51:12 1.14 @@ -3,36 +3,157 @@ Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) Author: Alexander Petrosyan (http://design.ru/paf) - $Id: file.C,v 1.2 2001/03/19 20:46:35 paf Exp $ + $Id: file.C,v 1.14 2001/03/30 05:51:12 paf Exp $ */ #include "pa_request.h" #include "_file.h" #include "pa_vfile.h" +#include "pa_table.h" + +// consts + +const int FIND_MONKEY_MAX_HOPS=10; // global var -VStateless_class *file_base_class; +VStateless_class *file_class; // methods +/// @test mkdirs static void _save(Request& r, const String& method_name, Array *params) { - //\Pool& pool=r.pool(); - Value *vfile_name=static_cast(params->get(0)); + Pool& pool=r.pool(); + Value& vfile_name=*static_cast(params->get(0)); + // forcing + // ^save[this body type] + r.fail_if_junction_(true, vfile_name, + method_name, "file name must not be junction"); + + // forcing untaint language + String lfile_name(pool); + lfile_name.append(vfile_name.as_string(), + String::UL_FILE_NAME, true); + + // save + static_cast(r.self)->save(r.absolute(lfile_name)); +} + +static void _delete(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + Value& vfile_name=*static_cast(params->get(0)); // forcing - // ^save{this body type} - r.fail_if_junction_(false, *vfile_name, method_name, "file name must be junction"); + // ^delete[this body type] + r.fail_if_junction_(true, vfile_name, + method_name, "file name must not be junction"); + + // forcing untaint language + String lfile_name(pool); + lfile_name.append(vfile_name.as_string(), + String::UL_FILE_NAME, true); + + // unlink + file_delete(pool, r.absolute(lfile_name)); +} + +static void _find(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + Value& vfile_name=*static_cast(params->get(0)); + // forcing + // ^delete[this body type] + r.fail_if_junction_(true, vfile_name, + method_name, "file name must not be junction"); + + // forcing untaint language + String lfile_name(pool); + lfile_name.append(vfile_name.as_string(), + String::UL_FILE_NAME, true); + + // passed file name simply exists in current dir + if(file_readable(r.absolute(lfile_name))) { + r.write_no_lang(*new(pool) VString(lfile_name)); + return; + } - { - Temp_lang temp_lang(r, String::Untaint_lang::FILE); - static_cast(r.self)->save( - r.absolute(r.process(*vfile_name).as_string().cstr())); + // scan .. dirs for result + for(int i=0; isize()==2) { + // forcing ..{this body type} + Value& not_found_code=*static_cast(params->get(1)); + r.fail_if_junction_(false, not_found_code, + method_name, "not-found param must be junction"); + r.write_pass_lang(r.process(not_found_code)); } } +static void _load(Request& r, const String& method_name, Array *params) { + Pool& pool=r.pool(); + Value& vfile_name=*static_cast(params->get(0)); + + // forcing ^load[this body type] + r.fail_if_junction_(true, vfile_name, + method_name, "file name must not be junction"); + + // forcing untaint language + String lfile_name(pool); + lfile_name.append(vfile_name.as_string(), + String::UL_FILE_NAME, true); + + void *data; size_t size; + file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/); + + char *user_file_name=params->size()==1?lfile_name.cstr() + :static_cast(params->get(1))->as_string().cstr(); + + const String *mime_type=0; + if(params->size()==3) + mime_type=&static_cast(params->get(2))->as_string(); + else { + if(r.mime_types) { + if(char *cext=strrchr(user_file_name, '.')) { + cext++; + String sext(pool, cext); + if(r.mime_types->locate(0, sext)) + if(!(mime_type=r.mime_types->item(1))) + PTHROW(0, 0, + r.mime_types->origin_string(), + "MIME-TYPE table column elements must not be empty"); + } + } + } + + if(!mime_type) + mime_type=new(pool) String(pool, "application/octet-stream"); + + static_cast(r.self)->set(data, size, user_file_name, mime_type); +} + // initialize -void initialize_file_base_class(Pool& pool, VStateless_class& vclass) { +void initialize_file_class(Pool& pool, VStateless_class& vclass) { // ^save[file-name] - vclass.add_native_method("save", _save, 1, 1); + vclass.add_native_method("save", Method::CT_DYNAMIC, _save, 1, 1); + + // ^delete[file-name] + vclass.add_native_method("delete", Method::CT_STATIC, _delete, 1, 1); + + // ^find[file-name] + // ^find[file-name]{when-not-found} + vclass.add_native_method("find", Method::CT_STATIC, _find, 1, 2); + + // ^load[disk-name] + // ^load[disk-name;user-name] + // ^load[disk-name;user-name;mime-type] + vclass.add_native_method("load", Method::CT_DYNAMIC, _load, 1, 3); }