--- parser3/src/classes/file.C 2001/04/09 16:04:45 1.24 +++ parser3/src/classes/file.C 2002/04/15 13:17:03 1.78 @@ -1,221 +1,282 @@ /** @file Parser: @b file parser class. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) - Author: Alexander Petrosyan (http://design.ru/paf) - - $Id: file.C,v 1.24 2001/04/09 16:04:45 paf Exp $ + $Id: file.C,v 1.78 2002/04/15 13:17:03 paf Exp $ */ +#include "pa_config_includes.h" + +#include "pcre.h" + +#include "classes.h" #include "pa_request.h" -#include "_file.h" #include "pa_vfile.h" #include "pa_table.h" #include "pa_vint.h" #include "pa_exec.h" +#include "pa_vdate.h" +#include "pa_dir.h" +#include "pa_vtable.h" +#include "pa_charset.h" // consts -const int FIND_MONKEY_MAX_HOPS=10; +// defines + +#define FILE_CLASS_NAME "file" + +#define TEXT_MODE_NAME "text" + +// class + +class MFile : public Methoded { +public: // VStateless_class + + Value *create_new_value(Pool& pool) { return new(pool) VFile(pool); } -// global var +public: // Methoded + bool used_directly() { return true; } -VStateless_class *file_class; +public: + MFile(Pool& pool); + +}; + +// consts + +const int FIND_MONKEY_MAX_HOPS=10; // methods -static void _save(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_(true, vfile_name, - method_name, "file name must not be code"); +static void _save(Request& r, const String&, MethodParams *params) { + Value& vmode_name=params-> as_no_junction(0, "mode must not be code"); + Value& vfile_name=params->as_no_junction(1, "file name must not be code"); // save - static_cast(r.self)->save(r.absolute(vfile_name.as_string())); + static_cast(r.self)->save(r.absolute(vfile_name.as_string()), + vmode_name.as_string()==TEXT_MODE_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 - // ^delete[this body type] - r.fail_if_junction_(true, vfile_name, - method_name, "file name must not be code"); +static void _delete(Request& r, const String&, MethodParams *params) { + Value& vfile_name=params->as_no_junction(0, "file name must not be code"); // unlink - file_delete(pool, r.absolute(vfile_name.as_string())); + file_delete(r.absolute(vfile_name.as_string())); +} + +static void _move(Request& r, const String&, MethodParams *params) { + Value& vfrom_file_name=params->as_no_junction(0, "from file name must not be code"); + Value& vto_file_name=params->as_no_junction(1, "to file name must not be code"); + + // move + file_move( + r.absolute(vfrom_file_name.as_string()), + r.absolute(vto_file_name.as_string())); } -static void _find(Request& r, const String& method_name, Array *params) { +static void _find(Request& r, const String& method_name, MethodParams *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 code"); + Value& vfile_name=params->as_no_junction(0, "file name must not be code"); const String &lfile_name=vfile_name.as_string(); // passed file name simply exists in current dir if(file_readable(r.absolute(lfile_name))) { - r.write_no_lang(*new(pool) VString(lfile_name)); + r.write_no_lang(lfile_name); return; } // 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 code"); + Value& not_found_code=params->as_junction(1, "not-found param must be code"); r.write_pass_lang(r.process(not_found_code)); } } -static void _load(Request& r, const String& method_name, Array *params) { +static void _load(Request& r, const String& method_name, MethodParams *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 code"); + Value& vmode_name=params-> as_no_junction(0, "mode must not be code"); + Value& vfile_name=params->as_no_junction(1, "file name must not be code"); const String& lfile_name=vfile_name.as_string(); void *data; size_t size; - file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/); + file_read(pool, r.absolute(lfile_name), data, size, + vmode_name.as_string()==TEXT_MODE_NAME); - char *user_file_name=params->size()==1?lfile_name.cstr(String::UL_FILE_NAME) - :static_cast(params->get(1))->as_string().cstr(); + char *user_file_name=params->size()>2? + params->as_string(2, "filename must be string").cstr(String::UL_FILE_SPEC) + :lfile_name.cstr(String::UL_FILE_SPEC); static_cast(r.self)->set(true/*tainted*/, data, size, - user_file_name, &r.mime_type_of(user_file_name)); + user_file_name, new(pool) VString(r.mime_type_of(user_file_name))); +} + +static void _stat(Request& r, const String& method_name, MethodParams *params) { + Pool& pool=r.pool(); + Value& vfile_name=params->as_no_junction(0, "file name must not be code"); + + const String& lfile_name=vfile_name.as_string(); + + size_t size; + time_t atime, mtime, ctime; + file_stat(r.absolute(lfile_name), + size, + atime, mtime, ctime); + + VFile& vfile=*static_cast(r.self); + vfile.set(true/*tainted*/, 0/*no bytes*/, size); + Hash& ff=vfile.fields(); + ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime)); + ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime)); + ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime)); } static void append_env_pair(const Hash::Key& key, Hash::Val *value, void *info) { Hash& hash=*static_cast(info); hash.put(key, &static_cast(value)->as_string()); } -/// ^exec[file-name] -/// ^exec[file-name;env hash] -/// ^exec[file-name;env hash;cmd;line;arg;s] -/// @test header to $fields. waits for header '\' tricks -static void _cgi(Request& r, const String& method_name, Array *params) { + +static void pass_cgi_header_attribute(Array::Item *value, void *info) { + String& string=*static_cast(value); + Hash& hash=*static_cast(info); + int colon_pos=string.pos(":", 1); + if(colon_pos>0) + hash.put(string.mid(0, colon_pos), + new(string.pool()) VString(string.mid(colon_pos+1, string.size()))); +} +/** @todo fix `` in perl - they produced flipping consoles and no output to perl + @test EPASS, ECSTR [touched them when optimized hash] +*/ +static void _exec_cgi(Request& r, const String& method_name, MethodParams *params, + bool cgi) { Pool& pool=r.pool(); - Value& vfile_name=*static_cast(params->get(0)); - // forcing [this param type] - r.fail_if_junction_(true, vfile_name, - method_name, "file name must not be code"); + Value& vfile_name=params->as_no_junction(0, "file name must not be code"); const String& script_name=r.absolute(vfile_name.as_string()); Hash env(pool); - #define PASS(key) \ - String key(pool); \ - if(const char *value=SAPI::get_env(pool, #key)) { \ - key.APPEND_CONST(value); \ - env.put(String(pool, #key), &key); \ - } - #define INFO(key, value) \ - String value(pool); \ - if(r.info.value) { \ - value.APPEND_CONST(r.info.value); \ - env.put(String(pool, key), &value); \ + #define ECSTR(name, value_cstr) \ + String name##key(pool, #name); \ + String name##value(pool); \ + if(value_cstr) { \ + name##value.APPEND_CONST(value_cstr); \ + env.put(name##key, &name##value); \ + } + #define EPASS(name) \ + String name##key(pool, #name); \ + String name##value(pool); \ + if(const char *value_cstr=SAPI::get_env(pool, #name)) { \ + name##value.APPEND_CONST(value_cstr); \ + env.put(name##key, &name##value); \ } // const - String gateway_interface(pool, "CGI/1.1"); - env.put(String(pool, "GATEWAY_INTERFACE"), &gateway_interface); + ECSTR(GATEWAY_INTERFACE, "CGI/1.1"); // from Request.info - INFO("DOCUMENT_ROOT", document_root); - INFO("PATH_TRANSLATED", path_translated); - INFO("SERVER_PROTOCOL", method); - INFO("QUERY_STRING", query_string); - INFO("REQUEST_URI", uri); - INFO("CONTENT_TYPE", content_type); + ECSTR(DOCUMENT_ROOT, r.info.document_root); + ECSTR(PATH_TRANSLATED, r.info.path_translated); + ECSTR(REQUEST_METHOD, r.info.method); + ECSTR(QUERY_STRING, r.info.query_string); + ECSTR(REQUEST_URI, r.info.uri); + ECSTR(CONTENT_TYPE, r.info.content_type); char content_length_cstr[MAX_NUMBER]; snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length); String content_length(pool, content_length_cstr); - env.put(String(pool, "CONTENT_LENGTH"), &content_length); - INFO("HTTP_COOKIE", cookie); - INFO("HTTP_USER_AGENT", user_agent); + ECSTR(CONTENT_LENGTH, content_length_cstr); + ECSTR(HTTP_COOKIE, r.info.cookie); + ECSTR(HTTP_USER_AGENT, r.info.user_agent); // passing some SAPI:get_env-s - PASS(SERVER_NAME); - PASS(SERVER_PORT); - PASS(HTTP_REFERER); - PASS(REMOTE_ADDR); - PASS(REMOTE_HOST); - PASS(REMOTE_USER); + EPASS(SERVER_PROTOCOL); + EPASS(SERVER_NAME); + EPASS(SERVER_PORT); + EPASS(HTTP_REFERER); + EPASS(REMOTE_ADDR); + EPASS(REMOTE_HOST); + EPASS(REMOTE_USER); // SCRIPT_NAME - env.put(String(pool, "SCRIPT_NAME"), &script_name); + env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name); +#ifdef WIN32 + // WIN32 shell + EPASS(COMSPEC); +#endif if(params->size()>1) { - Value& venv=*static_cast(params->get(1)); - // forcing [this param type] - r.fail_if_junction_(true, venv, - method_name, "env must not be code"); - if(Hash *user_env=venv.get_hash()) + Value& venv=params->as_no_junction(1, "env must not be code"); + if(Hash *user_env=venv.get_hash(&method_name)) user_env->for_each(append_env_pair, &env); - else - PTHROW(0, 0, - &method_name, - "env must be hash"); } Array *argv=0; if(params->size()>2) { argv=new(pool) Array(pool, params->size()-2); for(int i=2; isize(); i++) - *argv+=&static_cast(params->get(i))->as_string(); + *argv+=¶ms->as_string(i, "parameter must be string"); } - const String in(pool, r.post_data, r.post_size); + String in(pool); + in.APPEND(r.post_data, r.post_size, String::UL_CLEAN, "passing post data", 0); String out(pool); - String err(pool); - int exit_code=pa_exec(script_name, &env, argv, - in, out, err); + //out.APPEND_CONST("content-type:text/plain\nheader:test-header\n\ntest-body"); + //out<(r.self); - // construct with 'out' body and header - int delim_size; - int pos=out.pos("\n\n", delim_size=2); - if(pos<0) - pos=out.pos("\r\n\r\n", delim_size=4); - if(pos<0) { - delim_size=0; // calm down, compiler - PTHROW(0, 0, - &method_name, - "output does not contain CGI header"); - } - const String& header=out.mid(0, pos); - const String& body=out.mid(pos+delim_size, out.size()); + const String *body=&out; // ^file:exec + if(cgi) { // ^file:cgi + // construct with 'out' body and header + int delim_size; + const char *eol_marker="\r\n"; size_t eol_marker_size=2; + int pos=out.pos("\r\n\r\n", delim_size=4); + if(pos<0) { + eol_marker="\n"; eol_marker_size=1; + pos=out.pos("\n\n", delim_size=2); + } + if(pos<0) { + delim_size=0; // calm down, compiler + throw Exception(0, + &method_name, + "output does not contain CGI header; exit code=%d; outsize=%u; out: \"%s\"; errsize=%u; err: \"%s\"", + status, + (uint)out.size(), out.cstr(), + (uint)err.size(), err.cstr()); + } + + const String& header=out.mid(0, pos); + body=&out.mid(pos+delim_size, out.size()); + // header to $fields + { + Array rows(pool); + header.split(rows, 0, eol_marker, eol_marker_size, String::UL_CLEAN); + rows.for_each(pass_cgi_header_attribute, &self.fields()); + } + } // body - self.set(false/*not tainted*/, body.cstr(String::UL_AS_IS), body.size()); + self.set(false/*not tainted*/, body->cstr(), body->size()); - // todo header to $fields. waits for header '\' tricks - - // $exit-code + // $status self.fields().put( - *new(pool) String(pool, "exit-code"), - new(pool) VInt(pool, exit_code)); + *new(pool) String(pool, "status"), + new(pool) VInt(pool, status)); // $stderr if(err.size()) { @@ -223,29 +284,164 @@ static void _cgi(Request& r, const Strin *new(pool) String(pool, "stderr"), new(pool) VString(err)); - SAPI::log(pool, "cgi: %s", err.cstr()); + SAPI::log(pool, "file:%s: %s", cgi?"cgi":"exec", err.cstr()); } } +static void _exec(Request& r, const String& method_name, MethodParams *params) { + _exec_cgi(r, method_name, params, false); +} +static void _cgi(Request& r, const String& method_name, MethodParams *params) { + _exec_cgi(r, method_name, params, true); +} + +static void _list(Request& r, const String& method_name, MethodParams *params) { + Pool& pool=r.pool(); + + Value& relative_path=params->as_no_junction(0, "path must not be code"); + + const String *regexp; + pcre *regexp_code; + int ovecsize; + int *ovector; + if(params->size()>1) { + regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string(); + + const char *pattern=regexp->cstr(); + const char *errptr; + int erroffset; + regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL, + &errptr, &erroffset, + pool.get_client_charset().pcre_tables); + + if(!regexp_code) + throw Exception(0, + ®exp->mid(erroffset, regexp->size()), + "regular expression syntax error - %s", errptr); + + ovector=(int *)pool.malloc(sizeof(int)*(ovecsize=(1/*match*/)*3)); + } else + regexp_code=0; + + + const char* absolute_path_cstr=r.absolute(relative_path.as_string()) + .cstr(String::UL_FILE_SPEC); + + Array& columns=*new(pool) Array(pool); + columns+=new(pool) String(pool, "name"); + Table& table=*new(pool) Table(pool, &method_name, &columns); + + LOAD_DIR(absolute_path_cstr, + size_t file_name_size=strlen(ffblk.ff_name); + bool suits=true; + if(regexp_code) { + int exec_result=pcre_exec(regexp_code, 0, + ffblk.ff_name, file_name_size, 0, + 0, ovector, ovecsize); + + if(exec_result==PCRE_ERROR_NOMATCH) + suits=false; + else if(exec_result<0) { + (*pcre_free)(regexp_code); + throw Exception(0, + regexp, + "regular expression execute (%d)", + exec_result); + } + } + + if(suits) { + char *file_name_cstr=(char *)pool.malloc(file_name_size); + memcpy(file_name_cstr, ffblk.ff_name, file_name_size); + String &file_name=*new(pool) String(pool); + file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_SPEC, + method_name.origin().file, method_name.origin().line); + + Array& row=*new(pool) Array(pool); + row+=&file_name; + table+=&row; + } + ); + + if(regexp_code) + (*pcre_free)(regexp_code); + + // write out result + VTable& result=*new(pool) VTable(pool, &table); + result.set_name(method_name); + r.write_no_lang(result); +} -// initialize +#ifndef DOXYGEN +struct Lock_execute_body_info { + Request *r; + Value *body_code; +}; +#endif +static void lock_execute_body(int , void *context) { + Lock_execute_body_info& info=*static_cast(context); + + // execute body + info.r->write_assign_lang(info.r->process(*info.body_code)); +}; +static void _lock(Request& r, const String& method_name, MethodParams *params) { + const String& file_spec=r.absolute(params->as_string(0, "file name must be string")); + Value& body_code=params->as_junction(1, "body must be code"); + + Lock_execute_body_info info={&r, &body_code}; + file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info); +} -void initialize_file_class(Pool& pool, VStateless_class& vclass) { - // ^save[file-name] - vclass.add_native_method("save", Method::CT_DYNAMIC, _save, 1, 1); +// constructor + +MFile::MFile(Pool& apool) : Methoded(apool) { + set_name(*NEW String(pool(), FILE_CLASS_NAME)); + + + // ^save[mode;file-name] + add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); // ^delete[file-name] - vclass.add_native_method("delete", Method::CT_STATIC, _delete, 1, 1); + add_native_method("delete", Method::CT_STATIC, _delete, 1, 1); + + // ^move[from-file-name;to-file-name] + add_native_method("move", Method::CT_STATIC, _move, 2, 2); // ^find[file-name] // ^find[file-name]{when-not-found} - vclass.add_native_method("find", Method::CT_STATIC, _find, 1, 2); + add_native_method("find", Method::CT_STATIC, _find, 1, 2); - // ^load[disk-name] - // ^load[disk-name;user-name] - vclass.add_native_method("load", Method::CT_DYNAMIC, _load, 1, 2); + // ^load[mode;disk-name] + // ^load[mode;disk-name;user-name] + add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3); + + // ^stat[disk-name] + add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1); + + // ^cgi[file-name] + // ^cgi[file-name;env hash] + // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s] + add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10); // ^exec[file-name] // ^exec[file-name;env hash] // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s] - vclass.add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+5); + add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10); + + // ^file:list[path] + // ^file:list[path][regexp] + add_native_method("list", Method::CT_STATIC, _list, 1, 2); + + // ^file:lock[path]{code} + add_native_method("lock", Method::CT_STATIC, _lock, 2, 2); + +} + +// global variable + +Methoded *file_class; + +// creator + +Methoded *MFile_create(Pool& pool) { + return file_class=new(pool) MFile(pool); }