411 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			411 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php
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| /*
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|  $Id: m_hta.php,v 1.5 2004/11/29 17:15:37 anonymous 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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|  Original Author of file:
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|  Purpose of file:
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|  ----------------------------------------------------------------------
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| */
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| 
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| /**
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| * This class handle folder web restricted access through .htaccess/.htpassword
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| * files.
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| * 
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| * Copyleft {@link http://alternc.net/ AlternC Team}
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| * 
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| * @copyright    AlternC-Team 2002-11-01 http://alternc.org/
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| * 
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| */
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| class m_hta {
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Constructor
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|    */
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|   function m_webaccess() {
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|   }
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| 
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| 
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|   /**
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|    * Password kind used in this class (hook for admin class)
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|    */
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|   function alternc_password_policy() {
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|     return array("hta"=>"Protected folders passwords");
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|   }
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| 
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|   function hook_menu() {
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|     $obj = array(
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|       'title'       => _("Protected folders"),
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|       'ico'         => 'images/password.png',
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|       'link'        => 'hta_list.php',
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|       'pos'         => 50,
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|      ) ;
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| 
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|      return $obj;
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|   }
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Create a protected folder (.htaccess et .htpasswd)
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|    * @param string $dir Folder to protect (relative to user root)
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|    * @return boolean TRUE if the folder has been protected, or FALSE if an error occurred
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|    */
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|   function CreateDir($dir) {
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|     global $mem,$bro,$err;
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|     $err->log("hta","createdir",$dir);
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|     $absolute=$bro->convertabsolute($dir,0);
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|     if (!$absolute) {
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|       $err->raise("hta",printf(_("The folder '%s' does not exist"),$dir));
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|       return false;
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|     }
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|     if (!file_exists($absolute)) {
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|       @mkdir($absolute,00777);
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|     }
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|     if (!file_exists("$absolute/.htaccess")) {
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|       if (!@touch("$absolute/.htaccess")) {
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| 	$err->raise("hta",_("File already exist"));
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| 	return false;
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|       }
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|       $file = @fopen("$absolute/.htaccess","r+");
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|       if (!$file) {
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| 	$err->raise("hta",_("File already exist"));
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|         return false;
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|       }
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|       fseek($file,0);
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|       $param="AuthUserFile \"$absolute/.htpasswd\"\nAuthName \""._("Restricted area")."\"\nAuthType Basic\nrequire valid-user\n";
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|       fwrite($file, $param);
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|       fclose($file);
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|     }
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|     if (!file_exists("$absolute/.htpasswd")) {
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|       if (!touch("$absolute/.htpasswd")) {
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| 	$err->raise("hta",_("File already exist"));
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|         return false;
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|       }
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|       return true;
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|     }
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|     return true;
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|   }
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Returns the list of all user folder currently protected by a .htpasswd file
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|    * @return array Array containing user folder list
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|    */
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| 
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|   function ListDir(){
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|     global$err,$mem;
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|     $err->log("hta","listdir");
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|     $sortie=array();
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|     $absolute=ALTERNC_HTML."/".substr($mem->user["login"],0,1)."/".$mem->user["login"];
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|     exec("find $absolute -name .htpasswd|sort",$sortie);
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|     if(!count($sortie)){
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|       $err->raise("hta",_("No protected folder"));
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|       return false;
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|     }
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|     $pattern="/^".preg_quote(ALTERNC_HTML,"/")."\/.\/[^\/]*\/(.*)\/\.htpasswd/";
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|       for($i=0;$i<count($sortie);$i++){
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|       preg_match($pattern,$sortie[$i],$matches);
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|       $tmpm=isset($matches[1])?'/'.$matches[1]:'';
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|       $r[$i]=$tmpm."/";
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|     }
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|     return $r;
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|   }
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Tells if a folder is protected.
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|    * @param string $dir Folder to check
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|    * @return TRUE if the folder is protected, or FALSE if it is not
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|    */
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|   function is_protected($dir){
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|     global $mem,$err;
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|     $err->log("hta","is_protected",$dir);
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|     $absolute=ALTERNC_HTML."/".substr($mem->user["login"],0,1)."/".$mem->user["login"]."/$dir";
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|     $sortie=array();
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|     if (file_exists("$absolute/.htpasswd")){
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|       return true;
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|     }
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|     else {
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|       return false;
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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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|    * Returns the list of login for a protected folder.
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|    * @param string $dir The folder to lookup (relative to user root)
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|    * @return array An array containing the list of logins from the .htpasswd file, or FALSE
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|    */
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|   function get_hta_detail($dir) {
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|     global $mem,$err;
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|     $err->log("hta","get_hta_detail");
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|     $absolute=ALTERNC_HTML."/".substr($mem->user["login"],0,1)."/".$mem->user["login"]."/$dir";
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|     if (file_exists("$absolute/.htaccess")) {
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|       /*		if (!_reading_htaccess($absolute)) {
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| 			return false;
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| 			}
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|       */	}
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|     $file = @fopen("$absolute/.htpasswd","r");
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|     $i=0;
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|     $res=array();
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|     if (!$file) {
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|       return false;
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|     }
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|     // TODO: Tester la validit<69> du .htpasswd
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|     while (!feof($file)) {
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|       $s=fgets($file,1024);
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|       $t=explode(":",$s);
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|       if ($t[0]!=$s) {
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| 	$res[$i]=$t[0];
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| 	$i=$i+1;
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|       }
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|     }
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|     fclose($file);
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|     return $res;
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|   }
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Unprotect a folder
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|    * @param string $dir Folder to unprotect, relative to user root
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|    * @return boolean TRUE if the folder has been unprotected, or FALSE if an error occurred
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|    */
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|   function DelDir($dir) {
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|     global $mem,$bro,$err;
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|     $err->log("hta","deldir",$dir);
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|     $dir=$bro->convertabsolute($dir,0);
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|     if (!$dir) {
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|       $err->raise("hta",printf(("The folder '%s' does not exist"),$dir));
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|       return false;
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|     }
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|     if (!@unlink("$dir/.htaccess")) {
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|       $err->raise("hta",printf(_("I cannot delete the file '%s/.htaccess'"),$dir));
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|       return false;
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|     }
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|     if (!@unlink("$dir/.htpasswd")) {
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|       $err->raise("hta",printf(_("I cannot delete the file '%s/.htpasswd'"),$dir));
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|       return false;
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|     }
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|     return true;
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|   }
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Add a user to a protected folder
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|    * @param string $login The user login to add
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|    * @param string $password The password to add (cleartext)
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|    * @param string $dir The folder we add it to (relative to user root).
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|    * @return boolean TRUE if the user has been added, or FALSE if an error occurred
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|    */
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|   function add_user($user,$password,$dir) {
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|     global $err, $bro, $admin;
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|     $err->log("hta","add_user",$user."/".$dir);
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|     if (empty($user)) {	
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|       $err->raise('hta',_("Please enter a user"));
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|       return false;
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|     }
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|     if (empty($password)) {	
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|       $err->raise('hta',_("Please enter a password"));
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|       return false;
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|     }
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|     $absolute=$bro->convertabsolute($dir,0);
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|     if (!file_exists($absolute)) {
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|       $err->raise("hta",printf(("The folder '%s' does not exist"),$dir));
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|       return false;
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|     }
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|     if (checkloginmail($user)){
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|       // Check this password against the password policy using common API : 
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|       if (is_callable(array($admin,"checkPolicy"))) {
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| 	if (!$admin->checkPolicy("hta",$user,$password)) {
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| 	  return false; // The error has been raised by checkPolicy()
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| 	}
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|       }
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| 
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|       $file = @fopen("$absolute/.htpasswd","a+");
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|       if (!$file) {
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| 	$err->raise("hta",_("File already exist"));
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| 	return false;
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|       }
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|       fseek($file,0);
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|       while (!feof($file)) {
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| 	$s=fgets($file,1024);
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| 	$t=explode(":",$s);
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| 	if ($t[0]==$user) {
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| 	  $err->raise("hta",_("The user '%s' already exist for this folder"),$user);
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| 	  return false;
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| 	}
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|       }
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|       fseek($file,SEEK_END);
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|       if ( empty($t[1]) || substr($t[1],-1)!="\n") {
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| 	fwrite($file,"\n");
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|       }
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|       fwrite($file, "$user:"._md5cr($password)."\n");
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|       fclose($file);
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|       return true;
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|     } else {
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|       $err->raise("hta",_("Please enter a valid username"));
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|       return false;
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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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|    * Delete a user from a protected folder.
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|    * @param array $lst An array with login to delete.
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|    * @param string $dir The folder, relative to user root, where we want to delete users.
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|    * @return boolean TRUE if users has been deleted, or FALSE if an error occurred.
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|    */
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|   function del_user($lst,$dir) {
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|     global $bro,$err;
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|     $err->log("hta","del_user",$lst."/".$dir);
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|     $absolute=$bro->convertabsolute($dir,0);
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|     if (!file_exists($absolute)) {
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|       $err->raise("hta",printf(_("The folder '%s' does not exist"),$dir));
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|       return false;
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|     }
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|     touch("$absolute/.htpasswd.new");
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|     $file = fopen("$absolute/.htpasswd","r");
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|     $newf = fopen("$absolute/.htpasswd.new","a");
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|     if (!$file || !$newf) {
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|       $err->raise("hta",_("File already exist"));
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|       return false;
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|     }
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|     reset($lst);
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|     fseek($file,0);
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|     while (!feof($file)) {
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|       $s=fgets($file,1024);
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|       $t=explode(":",$s);
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|       if (!in_array($t[0],$lst) && ($t[0]!="\n")) {
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| 	fseek($newf,0);
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| 	fwrite($newf, "$s");
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|       }
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|     }
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|     fclose($file);
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|     fclose($newf);
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|     unlink("$absolute/.htpasswd");
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|     rename("$absolute/.htpasswd.new", "$absolute/.htpasswd");
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|     return true;
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|   }
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Change the password of a user in a protected folder
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|    * @param string $user The users whose password should be changed
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|    * @param string $newpass The new password of this user
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|    * @param string $dir The folder, relative to user root, in which we will change a password
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|    * @return boolean TRUE if the password has been changed, or FALSE if an error occurred
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|    */
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|   function change_pass($user,$newpass,$dir) {
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|     global $bro,$err,$admin;
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|     $err->log("hta","change_pass",$user."/".$dir);
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|     $absolute=$bro->convertabsolute($dir,0);
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|     if (!file_exists($absolute)) {
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|       $err->raise("hta",printf(_("The folder '%s' does not exist"),$dir));
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|       return false;
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|     }
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| 
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|     // Check this password against the password policy using common API : 
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|     if (is_callable(array($admin,"checkPolicy"))) {
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|       if (!$admin->checkPolicy("hta",$user,$newpass)) {
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| 	return false; // The error has been raised by checkPolicy()
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|       }
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|     }
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| 
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|     touch("$absolute/.htpasswd.new");
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|     $file = fopen("$absolute/.htpasswd","r");
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|     $newf = fopen("$absolute/.htpasswd.new","a");
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|     if (!$file || !$newf) {
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|       $err->raise("hta",_("File already exist"));
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|       return false;
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|     }
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|     while (!feof($file)) {
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|       $s=fgets($file,1024);
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|       $t=explode(":",$s);
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|       if ($t[0]!=$user) {
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| 	fwrite($newf, "$s");
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|       }
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|     }
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|     fwrite($newf, "$user:"._md5cr($newpass)."\n");
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|     fclose($file);
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|     fclose($newf);
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|     unlink("$absolute/.htpasswd");
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|     rename("$absolute/.htpasswd.new", "$absolute/.htpasswd");
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|     return true;
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|   }
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| 
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| 
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|   /*---------------------------------------------------------------------------*/
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|   /**
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|    * Check that a .htaccess file is valid (for authentication)
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|    * @param string $absolute Folder we want to check (relative to user root)
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|    * @return boolean TRUE is the .htaccess is protecting this folder, or FALSE else
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|    * @access private
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|    */
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|   function _reading_htaccess($absolute) {
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|     global $err;
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|     $err->log("hta","_reading_htaccess",$absolute);
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|     $file = fopen("$absolute/.htaccess","r+");
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|     $lignes=array(1,1,1);
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|     $errr=0;
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|     if (!$file) {
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|       return false;
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|     }
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|     while (!feof($file) && !$errr) {
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|       $s=fgets($file,1024);
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|       if (substr($s,0,12)!="RewriteCond " && substr($s,0,14)!="ErrorDocument " && substr($s,0,12)!="RewriteRule " && substr($s,0,14)!="RewriteEngine " && trim($s)!="") {
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| 	$errr=1;
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|       }
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|       if (strtolower(trim($s))==strtolower("authuserfile $absolute/.htpasswd")) {
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| 	$lignes[0]=0;
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| 	$errr=0;
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|       } // authuserfile
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|       if (strtolower(trim($s))=="require valid-user") {
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| 	$lignes[1]=0;
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| 	$errr=0;
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|       } //require
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|       if (strtolower(trim($s))=="authtype basic") {
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| 	$lignes[2]=0;
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| 	$errr=0;
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|       } //authtype
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|     } // Reading config file
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|     fclose($file);
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|     if ($errr || in_array(0,$lignes)) {
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|       $err->raise("hta",_("An incompatible .htaccess file exists in this folder"));
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|       return false;
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|     }
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|     return true;
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|   } 
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| 
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| } /* CLASS m_hta */
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| 
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| 
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