OpenRat: do.php Quellcode

00001 <?php
00002 // ---------------------------------------------------------------------------
00003 // $Id$
00004 // ---------------------------------------------------------------------------
00005 // OpenRat Content Management System
00006 // Copyright (C) 2002-2004 Jan Dankert, cms@jandankert.de
00007 //
00008 // This program is free software; you can redistribute it and/or
00009 // modify it under the terms of the GNU General Public License
00010 // as published by the Free Software Foundation; version 2.
00011 //
00012 // This program is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 //
00017 // You should have received a copy of the GNU General Public License
00018 // along with this program; if not, write to the Free Software
00019 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00020 // ---------------------------------------------------------------------------
00021 
00022 // "Single Entry Point"
00023 // Diese Datei dient als "Dispatcher" und startet den zum Request passenden Controller ("*Action")..
00024 // Jeder Request in der Anwendung läuft durch dieses Skript.
00025 //
00026 // Statische Resourcen (CSS,JS,Bilder,...) gehen nicht über diesen Dispatcher, sondern werden
00027 // direkt geladen.
00028 
00029 
00030 define('PHP_EXT'         ,'php'    );
00031 require_once( "functions/common.inc.".PHP_EXT );
00032 
00033 define('IMG_EXT'         ,'.gif'   );
00034 define('IMG_ICON_EXT'    ,'.png'   );
00035 define('MAX_FOLDER_DEPTH',5        );
00036 
00037 define('OR_VERSION'      ,'0.9-2'  );
00038 define('OR_TITLE'        ,'OpenRat CMS');
00039 
00040 define('OR_TYPE_PAGE'  ,'page'  );
00041 define('OR_TYPE_FILE'  ,'file'  );
00042 define('OR_TYPE_LINK'  ,'link'  );
00043 define('OR_TYPE_FOLDER','folder');
00044 
00045 define('OR_ACTIONCLASSES_DIR' ,'./actionClasses/'  );
00046 define('OR_FORMCLASSES_DIR'   ,'./formClasses/'    );
00047 define('OR_OBJECTCLASSES_DIR' ,'./objectClasses/'  );
00048 define('OR_SERVICECLASSES_DIR','./serviceClasses/' );
00049 define('OR_LANGUAGE_DIR'      ,'./language/'       );
00050 define('OR_DBCLASSES_DIR'     ,'./db/'             );
00051 define('OR_DYNAMICCLASSES_DIR','./dynamicClasses/' );
00052 define('OR_TEXTCLASSES_DIR'   ,'./textClasses/'    );
00053 define('OR_PREFERENCES_DIR'   ,defined('OR_EXT_CONFIG_DIR')?OR_EXT_CONFIG_DIR:'./config/');
00054 define('OR_CONFIG_DIR'        ,OR_PREFERENCES_DIR  );
00055 define('OR_THEMES_DIR'        ,'./themes/'         );
00056 define('OR_THEMES_EXT_DIR'    ,defined('OR_BASE_URL')?slashify(OR_BASE_URL).'themes/':OR_THEMES_DIR);
00057 define('OR_TMP_DIR'           ,'./tmp/'            );
00058 define('OR_CONTROLLER_FILE'   ,defined('OR_EXT_CONTROLLER_FILE')?OR_EXT_CONTROLLER_FILE:'do');
00059 define('START_TIME'           ,time()              );
00060 
00061 define('REQ_PARAM_ACTION'         ,'action'         );
00062 define('REQ_PARAM_SUBACTION'      ,'subaction'      );
00063 define('REQ_PARAM_TARGETSUBACTION','targetSubAction');
00064 define('REQ_PARAM_ID'             ,'id'             );
00065 define('REQ_PARAM_OBJECT_ID'      ,'objectid'       );
00066 define('REQ_PARAM_LANGUAGE_ID'    ,'languageid'     );
00067 define('REQ_PARAM_MODEL_ID'       ,'modelid'        );
00068 define('REQ_PARAM_PROJECT_ID'     ,'projectid'      );
00069 define('REQ_PARAM_ELEMENT_ID'     ,'elementid'      );
00070 define('REQ_PARAM_TEMPLATE_ID'    ,'templateid'     );
00071 define('REQ_PARAM_DATABASE_ID'    ,'dbid'           );
00072 
00073 require_once( "functions/request.inc.php" );
00074 
00075 // Werkzeugklassen einbinden.
00076 require_once( OR_SERVICECLASSES_DIR."include.inc.".PHP_EXT );
00077 require_once( OR_OBJECTCLASSES_DIR ."include.inc.".PHP_EXT );
00078 require_once( OR_TEXTCLASSES_DIR   ."include.inc.".PHP_EXT );
00079 
00080 // Datenbank-Funktionen einbinden.
00081 require_once( OR_DBCLASSES_DIR."db.class.php" );
00082 require_once( OR_DBCLASSES_DIR."postgresql.class.php" );
00083 require_once( OR_DBCLASSES_DIR."mysql.class.php" );
00084 
00085 // Jetzt erst die Sitzung starten (nachdem alle Klassen zur Verfügung stehen).
00086 session_start();
00087 require_once( OR_SERVICECLASSES_DIR."Session.class.".PHP_EXT );
00088 
00089 
00090 // Vorhandene Konfiguration aus der Sitzung lesen.
00091 $conf = Session::getConfig();
00092  
00093 // Wenn Konfiguration noch nicht in Session vorhanden, dann
00094 // aus Datei lesen.
00095 if   ( !is_array( $conf ) || isset($REQ['reload']) )
00096 {
00097      $prefs = new Preferences();
00098      $conf = $prefs->load();
00099      $conf['action'] = $prefs->load(OR_ACTIONCLASSES_DIR);
00100      
00101      // Sprache lesen und zur Konfiguration hinzufuegen
00102 
00103      if   ( $conf['i18n']['use_http'] )
00104           // Die vom Browser angeforderten Sprachen ermitteln     
00105           $languages = Http::getLanguages();
00106      else
00107           // Nur Default-Sprache erlauben
00108           $languages = array();
00109 
00110      // Default-Sprache hinzufuegen.
00111      // Wird dann verwendet, wenn die vom Browser angeforderten Sprachen
00112      // nicht vorhanden sind
00113      $languages[] = $conf['i18n']['default'];
00114      $available = explode(',',$conf['i18n']['available']);
00115 
00116      foreach( $languages as $l )
00117      {
00118           if   ( !in_array($l,$available) )
00119                continue;
00120 
00121           // Pruefen, ob Sprache vorhanden ist.
00122           $langFile = OR_LANGUAGE_DIR.$l.'.ini.'.PHP_EXT;
00123 
00124           if   ( !file_exists( $langFile ) )
00125                Http::serverError("File does not exist: ".$langFile);
00126 
00127           $conf['language'] = parse_ini_file( $langFile );
00128           $conf['language']['language_code'] = $l;
00129           break;
00130      }
00131 
00132 
00133      if   ( !isset($conf['language']) )
00134           Http::serverError('no language found! (languages='.implode(',',$languages).')' );
00135      
00136      // Schreibt die Konfiguration in die Sitzung. Diese wird anschliessend nicht
00137      // mehr veraendert.
00138      Session::setConfig( $conf );
00139 }
00140 
00141 if   ( !empty($conf['security']['umask']) )
00142      umask( octdec($conf['security']['umask']) );
00143 
00144 if   ( !empty($conf['interface']['timeout']) )
00145      set_time_limit( intval($conf['interface']['timeout']) );
00146 
00147 define('FILE_SEP',$conf['interface']['file_separator']);
00148 
00149 define('TEMPLATE_DIR',OR_THEMES_DIR.$conf['interface']['theme'].'/templates');
00150 define('CSS_DIR'     ,OR_THEMES_DIR.$conf['interface']['theme'].'/css'      );
00151 define('IMAGE_DIR'   ,OR_THEMES_DIR.$conf['interface']['theme'].'/images'   );
00152 
00153 require_once( OR_SERVICECLASSES_DIR."Logger.class.".PHP_EXT );
00154 require_once( "functions/config.inc.php" );
00155 require_once( "functions/language.inc.".PHP_EXT );
00156 require_once( "functions/theme.inc.".PHP_EXT );
00157 require_once( "functions/db.inc.".PHP_EXT );
00158 
00159 header( 'Content-Type: text/html; charset='.lang('CHARSET') );
00160 
00161 // Request-Variablen in Session speichern
00162 //request_into_session('action'    );
00163 //request_into_session('subaction' );
00164 //request_into_session('objectid'  );
00165 //request_into_session('templateid');
00166 //request_into_session('elementid' );
00167 //request_into_session('projectid' );
00168 //request_into_session('modelid'   );
00169 //request_into_session('userid'    );
00170 //request_into_session('groupid'   );
00171 //request_into_session('languageid');
00172 
00173 //if ( isset($REQ['objectid']) )
00174 //{
00175 //   $o = new Object( $REQ['objectid'] );
00176 //   Session::setObject($o);
00177 //}
00178 
00179 // Verbindung zur Datenbank
00180 //
00181 $db = Session::getDatabase();
00182 if   ( is_object( $db ) )
00183 {
00184      $ok = $db->connect();
00185      if   ( !$ok )
00186           Http::sendStatus('503','Service Unavailable','Database is not available: '.$db->error);
00187 
00188      Session::setDatabase( $db );
00189 }
00190      
00191 if   ( !empty($REQ[REQ_PARAM_ACTION]) )
00192      $action = $REQ[REQ_PARAM_ACTION];
00193 else $action = 'index';
00194 
00195 Session::set('action',$action);
00196 
00197 if   ( !empty( $REQ[REQ_PARAM_SUBACTION] ) )
00198      $subaction = $REQ[REQ_PARAM_SUBACTION];
00199 else
00200 {
00201      $sl = Session::getSubaction();
00202      if   ( is_array($sl) && isset($sl[$action]) )
00203           $subaction = $sl[$action];
00204      else
00205           $subaction = '';
00206 }
00207 
00208 $actionClassName = strtoupper(substr($action,0,1)).substr($action,1).'Action';
00209 
00210 if   ( !isset($conf['action'][$actionClassName]) )
00211      Http::serverError("Action '$action' is undefined.");
00212 
00213 require( OR_ACTIONCLASSES_DIR.'/Action.class.php' );
00214 require( OR_ACTIONCLASSES_DIR.'/ObjectAction.class.php' );
00215 require( OR_ACTIONCLASSES_DIR.'/'.$actionClassName.'.class.php' );
00216 
00217 // Erzeugen der Action-Klasse
00218 $do = new $actionClassName;
00219 $do->init();
00220 $do->actionClassName = $actionClassName; 
00221 $do->actionName      = $action;
00222 
00223      
00224 $do->actionConfig = $conf['action'][$actionClassName];
00225 
00226 if   ( $subaction == '' )
00227      $subaction = $do->actionConfig['default']['goto'];
00228 
00229 if   ( !isset($do->actionConfig[$subaction]) )
00230 {
00231      Logger::warn( "Action $action has no configured method named $subaction");
00232      Http::serverError("Action '$action' has no accessable method '$subaction'.");
00233      exit;
00234 }
00235      
00236 $subactionConfig = $do->actionConfig[$subaction];
00237 //Logger::trace("controller is calling subaction '$subaction'");
00238 
00239 // Eine Subaktion ohne "guest=true" verlangt einen angemeldeten Benutzer.
00240 if   ( !isset($subactionConfig['guest']) || !$subactionConfig['guest'] )
00241      if   ( !is_object($do->currentUser) )
00242      {
00243           Http::notAuthorized( lang('SESSION_EXPIRED') );
00244           exit;
00245      }
00246 
00247 // Eine Aktion mit "admin=true" verlangt einen Administrator als Benutzer.
00248 if   ( isset($do->actionConfig['admin']) && $do->actionConfig['admin'] )
00249      if   ( !$do->currentUser->isAdmin )
00250      {
00251           Http::notAuthorized( lang('SESSION_EXPIRED') );
00252           exit;
00253      }
00254 
00255 
00256 // Aktuelle Subaction in Sitzung merken
00257 if   ( isset($do->actionConfig[$subaction]['menu']) || isset($do->actionConfig[$subaction]['direct']) )
00258 {
00259      $sl = Session::getSubaction();
00260      if   ( !is_array($sl))
00261           $sl = array();
00262      $sl[$action] = $subaction;
00263      Session::setSubaction( $sl );
00264 }
00265 
00266 $do->subActionName = $subaction;
00267 
00268 // Alias-Methode aufrufen.
00269 if   ( isset($do->actionConfig[$do->subActionName]['alias']) )
00270 {
00271      $subaction = $do->actionConfig[$do->subActionName]['alias'];
00272 //    $do->subActionName = $subaction;
00273 }
00274 
00275 
00276 // Aufruf der Subaction
00277 $do->$subaction();
00278 
00279 // Aufruf der n�chsten Subaction (falls vorhanden)
00280 if   ( isset($do->actionConfig[$do->subActionName]['goto']) )
00281 {
00282      if   ( $conf['interface']['redirect'] )
00283      {
00284           $subActionName     = $do->actionConfig[$do->subActionName]['goto'];
00285           header( 'HTTP/1.0 303 See other');
00286           // Absoluten Pfad kann auch der Client erg�nzen.
00287           header( 'Location: '.Html::url($action,$do->actionConfig[$do->subActionName]['goto'],$do->getRequestId()) );
00288           exit;
00289      }
00290      
00291      $subActionName     = $do->actionConfig[$do->subActionName]['goto'];
00292      $do->subActionName = $subActionName;
00293      $subaction = $subActionName;
00294 
00295      // Auf Alias pr�fen.
00296      if   ( isset($do->actionConfig[$do->subActionName]['alias']) )
00297      {
00298           $subaction = $do->actionConfig[$do->subActionName]['alias'];
00299      }
00300      
00301      Logger::trace("controller is calling next subaction '$subaction'");
00302      $do->$subaction();
00303 }
00304 
00305 $do->setMenu(); // Menue erzeugen
00306 $do->forward(); // Anzeige rendern
00307 
00308 // fertig :)
00309 ?>