452 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			452 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php
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| 
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| /*
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|  * $Id: variables.php,v 1.8 2005/04/02 00:26:36 anarcat Exp $
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|  ----------------------------------------------------------------------
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|  AlternC - Web Hosting System
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|  Copyright (C) 2002 by the AlternC Development Team.
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|  http://alternc.org/
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|  ----------------------------------------------------------------------
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|  Based on:
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|  Valentin Lacambre's web hosting softwares: http://altern.org/
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|  ----------------------------------------------------------------------
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|  LICENSE
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| 
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|  This program is free software; you can redistribute it and/or
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|  modify it under the terms of the GNU General Public License (GPL)
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|  as published by the Free Software Foundation; either version 2
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|  of the License, or (at your option) any later version.
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| 
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|  This program is distributed in the hope that it will be useful,
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|  but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  GNU General Public License for more details.
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| 
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|  To read the license please visit http://www.gnu.org/copyleft/gpl.html
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|  ----------------------------------------------------------------------
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|  */
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| 
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| /**
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|  * Persistent variable table
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|  *
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|  * @author Drupal Developpement Team
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|  * @link http://cvs.drupal.org/viewcvs/drupal/drupal/includes/bootstrap.inc?rev=1.38&view=auto
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|  * @
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|  */
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| class m_variables {
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|   var $strata_order = array('DEFAULT','GLOBAL','FQDN_CREATOR','FQDN','CREATOR','MEMBER','DOMAIN');
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|   var $cache_variable_list = false;
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|   var $replace_array = array();
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|   var $cache_conf = array();
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| 
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|   const TYPE_STRING                 = "string";
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|   const TYPE_BOOLEAN                = "boolean";
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|   const TYPE_INTEGER                = "integer";
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|   const TYPE_IP                     = "ip";
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|   
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|   /**
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|    * 
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|    * @global    string  $L_FQDN
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|    */
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|   function m_variables() {
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|     global $L_FQDN;
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|     $this->replace_array = array(
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|       "%%FQDN%%"=> $L_FQDN,
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|     );
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|   }
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| 
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|   
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|   
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|   /**
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|    *  used by get_impersonated to merge array. Son value overwrite father's value 
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|    * 
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|    * @param array $father
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|    * @param array $son
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|    * @return array
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|    */
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|   private function variable_merge($father, $son) {
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|     if (! is_array($son)) return $father;
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|     foreach ($son as $k=>$v) {
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|       $father[$k] = $v;
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|     }
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|     return $father;
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|   }
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| 
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|   /**
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|    * Load the persistent variable table.
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|    *
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|    * The variable table is composed of values that have been saved in the table
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|    * with variable_set() as well as those explicitly specified in the configuration
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|    * file.
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|    * 
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|    * @global int $cuid
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|    * @return array
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|    */
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|   function variable_init() {
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|     global $cuid;
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|     if ($cuid > 1999) {
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|       $mid = $cuid;
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|     } else {
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|       $mid = null;
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|     }
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| 
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|     // In case we launch it in a script, there is no $_SERVER
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|     if (isset($_SERVER['HTTP_HOST'])) {
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|       $host=$_SERVER['HTTP_HOST'];
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|     } else {
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|       $host=null;
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|     }
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|     return $this->get_impersonated($host, $mid);
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|   }
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| 
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|    /**
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|    * Return the var for a specific environnement :
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|    *   * logged via $fqdn url
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|    *   * the user is $uid
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|    *   * $var if we want only 1 var instead of all of them
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|    * 
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|    * If $fqdn and $uid aren't specified, return the default value
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|    * 
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|    * @global m_mysql $db
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|    * @global m_err $err
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|    * @param string $fqdn
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|    * @param int $uid
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|    * @param string $var
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|    * @return array
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|    */
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|   function get_impersonated($fqdn=null, $uid=null, $var=null) {
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|     global $db, $err;
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| 
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|     $arr_var=$this->variables_list();
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| 
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|     // Get some vars we are going to need.
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|     if ($fqdn != NULL) {
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|       $sub_infos=m_dom::get_sub_domain_id_and_member_by_name( strtolower($fqdn) );
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|     } else {
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|       $sub_infos=false;
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|     }
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| 
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|     if ( $uid != NULL ) {
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|       $creator=m_mem::get_creator_by_uid($uid);
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|     } else {
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|       $creator=false;
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|     }
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|    
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|     $variables = array();
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|     // Browse the array in the specific order of the strata
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|     foreach ( $this->strata_order as $strata) {
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|       if (! isset($arr_var[$strata]) || !is_array($arr_var[$strata])) continue;
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|       switch($strata) {
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|         case 'DEFAULT':
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|             
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| //          $variables = $this->variable_merge(array(),$arr_var['DEFAULT'][NULL]);
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|           $variablesList = current($arr_var["DEFAULT"]);
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|           $variables = $this->variable_merge(array(),$variablesList);
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|           break;
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|         case 'GLOBAL':
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|           $variables = $this->variable_merge($variables, $arr_var['GLOBAL'][NULL]);
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|           break;
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|         case 'FQDN_CREATOR':
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|           if ( is_array($sub_infos) && isset($arr_var['FQDN_CREATOR'][$sub_infos['member_id']]) && is_array($arr_var['FQDN_CREATOR'][$sub_infos['member_id']])) {
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|             $variables = $this->variable_merge($variables, $arr_var['FQDN_CREATOR'][$sub_infos['member_id']]);
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|           }
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|           break;
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|         case 'FQDN':
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|           if ( is_array($sub_infos) && isset($arr_var['FQDN'][$sub_infos['sub_id']]) && is_array($arr_var['FQDN'][$sub_infos['sub_id']])) {
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|             $variables = $this->variable_merge($variables, $arr_var['FQDN'][$sub_infos['sub_id']]);
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|           }
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|           break;
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|         case 'CREATOR':
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|           if ( $creator && isset($arr_var['CREATOR'][$creator]) && is_array($arr_var['CREATOR'][$creator])) {
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|             $variables = $this->variable_merge($variables, $arr_var['CREATOR'][$creator] );
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|           }
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|           break;
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|         case 'MEMBER':
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|           if ( $uid && isset($arr_var['MEMBER'][$uid]) && is_array($arr_var['MEMBER'][$uid])) {
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|             $variables = $this->variable_merge($variables, $arr_var['MEMBER'][$uid] );
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|           }
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|           break;
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|         case 'DOMAIN':
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|           //FIXME TODO
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|           break;
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|       } //switch
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| 
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|     } //foreach
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| 
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|     // Replace needed vars
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|     foreach ($variables as $vv => $hh) {
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|         if (!isset($hh['value']) || empty($hh['value'])) {
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|             continue;
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|         }
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|         if(  is_array($hh['value'])){
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|             foreach($hh["value"] as $key => $val){
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|                 $variables[$vv]['value'][$key]    = strtr($hh['value'][$key], $this->replace_array );
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|             }
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|         }
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|         else{
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|             $variables[$vv]['value']    = strtr($hh['value'], $this->replace_array );
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|         }
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|     }
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| 
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|     if ($var && isset($variables[$var])) {
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|       return $variables[$var];
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|     } else {
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|       return $variables;
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|     }
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|   }
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| 
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|   /**
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|    * Initialize the global conf
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|    *
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|    * @uses variable_init()
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|    * @param boolean $force
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|    */
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|   function variable_init_maybe($force=false) {
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|     if ($force || empty($this->cache_conf) ) {
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|       $this->cache_variable_list = false;
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|       $this->cache_conf = $this->variable_init();
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|     }
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|   }
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| 
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|   /**
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|    * Return a persistent variable.
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|    *
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|    * @param     string  $name               The name of the variable to return.
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|    * @param     mixed   $default            The default value to use if this variable has never been set.
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|    * @param     string  $createit_comment   If variable doesn't exist, create it with the default value
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|    *                                        and createit_comment value as comment
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|    * @param     array   $type               An array defining the variable definition 
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|    *                                        ex: array("ns1"=>array('desc'=>'ns name','type'=>'string'),"ip"=>array("desc"=>"here an ip", "type"=>"ip")
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|    *                                        ex: array('desc'=>'ns name','type'=>'string')
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|    *                                        Types can be either 
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|    *                                        self::TYPE_BOOLEAN
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|    *                                        self::TYPE_INTEGER
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|    *                                        self::TYPE_IP
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|    *                                        self::TYPE_STRING
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|    * 
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|    * @return    mixed                       The value of the variable.
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|    */
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|   function variable_get($name, $default = null, $createit_comment = null, $type = null) {
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| 
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|     $this->variable_init_maybe();
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| 
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|     // Attempts to retrieve $name
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|     if (array_key_exists("$name", $this->cache_conf) && !is_null($this->cache_conf["$name"])) {
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|         return $this->cache_conf["$name"]["value"];
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|     } 
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|     if (!is_null($createit_comment)) {
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|       $this->variable_update_or_create($name, $default, 'DEFAULT', 'null', 'null', $createit_comment, $type);
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|     }
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| 
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|     return $default;
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|   }
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| 
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|   /**
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|    * Create or update a variable
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|    * 
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|    * @global m_mysql $db
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|    * @global m_err $err
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|    * @param string $var_name
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|    * @param mixed $var_value
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|    * @param string $strata
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|    * @param int $strata_id
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|    * @param int $var_id
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|    * @param string $comment
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|    * @param string $type
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|    * @return boolean
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|    */
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|   function variable_update_or_create($var_name, $var_value, $strata=null, $strata_id=null, $var_id=null, $comment=null, $type=null) {
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|     global $db, $err;
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|     $err->log('variable', 'variable_update_or_create');
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|     if ( strtolower($var_id) == 'null' ) $var_id = null;
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|     if ( strtolower($strata_id) == 'null' ) $strata_id = null;
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| 
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|     if (is_object($type) || is_array($type)) {
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|       $type = serialize($type);
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|     }
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|     if (is_object($var_value) || is_array($var_value)) {
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|       $var_value = serialize($var_value);
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|     }
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|     
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|     if ( ! is_null($var_id) ) {
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|       $sql="UPDATE variable SET value='".mysql_real_escape_string($var_value)."' WHERE id = ".intval($var_id);
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|     } else {
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|       if ( empty($strata) ) {
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|         $this->variable_init_maybe(true);
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|         $err->raise('variables', _("Err: Missing strata when creating var"));
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|         return false;
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|       }
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|       $sql="INSERT INTO 
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|               variable (name, value, strata, strata_id, comment, type) 
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|             VALUES (
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|               '".mysql_real_escape_string($var_name)."', 
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|               '".mysql_real_escape_string($var_value)."', 
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|               '".mysql_real_escape_string($strata)."', 
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|               ".( is_null($strata_id)?'NULL':"'".mysql_real_escape_string($strata_id)."'").",
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|               '".mysql_real_escape_string($comment)."',
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|               '".mysql_real_escape_string($type)."' );";
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|     }
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| 
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|     $db->query("$sql");
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| 
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|     $this->variable_init_maybe(true);
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|     return true;
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|   }
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| 
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|   /**
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|    * Unset a persistent variable.
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|    * 
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|    * @global m_mysql $db
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|    * @param int $id
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|    * @return type
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|    */
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|   function del($id) {
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|     global $db;
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|     $result = $db->query("DELETE FROM `variable` WHERE id = '".intval($id)."'");
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|     $this->variable_init_maybe(true);
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|     return $result;
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|   }
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| 
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|   /**
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|    * echo HTML code to display a variable passed in parameters
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|    * 
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|    * @param mixed $v
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|    * @param string $varname
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|    * @param boolean $echo
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|    * @return string
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|    */
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|   function display_valueraw_html($v,$varname,$echo = true) {
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|     $output                     = "";
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|     $varList                    = $this->variables_list();
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|     if (is_array($v)) {
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|       if (empty($v)) {
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|         $output .= "<em>"._("Empty array")."</em>";
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|       } else {
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|         $output .= "<ul>";
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|         foreach ( $v as $k=>$l) {
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|           $output .= "<li>";
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|           if (! is_numeric($k)) {
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|             if (is_null($varname)) {
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|               $output .= "$k";
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|             } else {
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|                 if ( !isset($varList['DEFAULT'][null][$varname]['type'][$k]) ||  is_array( $varList['DEFAULT'][null][$varname]['type'][$k] ) ) {
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|                 if (isset($varList['DEFAULT'][null][$varname]['type'][$k]['desc'])) {
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|                   $output .= $varList['DEFAULT'][null][$varname]['type'][$k]['desc'];
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|                 } else {
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|                   $output .= $k;
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|                 }
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|               } else {
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|                 $output .= $varList['DEFAULT'][null][$varname]['type'][$k];
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|               }
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|             }
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|           } else {
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|             if (isset($varList['DEFAULT'][null][$varname]['type'][$k]['desc'] )) {
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|               $output .= $varList['DEFAULT'][null][$varname]['type'][$k]['desc'];
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|             }
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|           }
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|           if (is_array($l)) {
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|             $output .= "<ul>";
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|             foreach ($l as $m => $n ) {
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|               $output .= "<li>";
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|               if ( is_numeric($m)) {
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|                 $output .= "$m";
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|               } else {
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|                 $output .= $varList['DEFAULT'][null][$varname]['type'][$k][$m]['desc'];
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|               }
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|               $output .= " => $n";
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|               $output .= "</li>";
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|             }
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|             $output .= "</ul>";
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|           } else {
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|             $output .= " => $l";
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|           }
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|           $output .= "</li>";
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|         }
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|         $output .= "</ul>";
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|       } // empty $v
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|     } else if (empty($v) && $v != '0') {
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|       $output .= "<em>"._("Empty")."</em>";
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|     } else {
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|       $output .= $v;
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|     }
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|     if( $echo ){
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|         echo $output;
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|     }
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|     return $output;
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|   }
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| 
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|   /**
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|    *  Display a variable if is set
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|    * 
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|    * @param array $tab
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|    * @param string $strata
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|    * @param int $id
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|    * @param string $varname
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|    * @param boolean $echo
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|    * @return string
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|    */
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|   function display_value_html($tab, $strata, $id, $varname, $echo = TRUE) {
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|     $output = "";
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|     if (isset($tab[$strata][$id][$varname]['value'])) {
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|       $v = $tab[$strata][$id][$varname]['value'];
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|       $output .= $this->display_valueraw_html($v, $varname, false);
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|     } else {
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|       $output .= "<em>"._("None defined")."</em>";
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|     }
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|     if( $echo){
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|         echo $output;
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|     }
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|     return $output;
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|   }
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| 
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|   /**
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|    * return hashtable with variable_name => comment for all the vars
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|    * 
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|    * @global m_mysql $db
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|    * @return type
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|    */
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|   function variables_list_name() {
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|     global $db;
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| 
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|     $result = $db->query('SELECT name, comment FROM `variable` order by name');
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|     $t=array();
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|     while ($db->next_record()) {
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|       $tname = $db->f('name');
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|       // If not listed of if listed comment is shorter
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|       if ( ! isset( $t[$tname] ) || strlen($t[$tname]) < $db->f('comment') ) {
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|         $t[$db->f('name')] = $db->f('comment');
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|       }
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|     }
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|     return $t;
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|   }
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| 
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|   /**
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|    * return a multidimensionnal array used to build vars
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|    * 
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|    * @global m_mysql $db
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|    * @return type
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|    */
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|   function variables_list() {
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|     global $db;
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|     if ( ! $this->cache_variable_list ) {
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|       $result = $db->query('SELECT * FROM `variable`');
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| 
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|       $arr_var=array();
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|       while ($db->next_record()) {
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|         // Unserialize value if needed
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|         if ( ($value = @unserialize($db->f('value'))) === FALSE) {
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|           $value=$db->f('value');
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|         }
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|         if ( ($type = @unserialize($db->f('type'))) === FALSE) {
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|           $type=$db->f('type');
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|         }
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|         $arr_var[$db->f('strata')][$db->f('strata_id')][$db->f('name')] = array('id'=>$db->f('id') ,'name'=>$db->f('name'), 'value'=>$value, 'comment'=>$db->f('comment'), 'type'=>$type);
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|       }
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|       $this->cache_variable_list = $arr_var;
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|     }
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|       
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|     return $this->cache_variable_list;
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|   }
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| 
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| } /* Class m_variables */
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