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[phpwiki-checkins] CVS: phpwiki/lib/pear File_Passwd.php,NONE,1.1
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From: Reini U. <ru...@us...> - 2004-01-25 03:57:52
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Update of /cvsroot/phpwiki/phpwiki/lib/pear In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18201/pear Added Files: File_Passwd.php Log Message: WikiUserNew support (temp. ENABLE_USER_NEW constant) --- NEW FILE: File_Passwd.php --- <?php /* vim: set ts=4 sw=4: */ // +----------------------------------------------------------------------+ // | PHP Version 4 | // +----------------------------------------------------------------------+ // | Copyright (c) 1997-2002 The PHP Group | // +----------------------------------------------------------------------+ // | This source file is subject to version 2.0 of the PHP license, | // | that is bundled with this package in the file LICENSE, and is | // | available at through the world-wide-web at | // | http://www.php.net/license/2_02.txt. | // | If you did not receive a copy of the PHP license and are unable to | // | obtain it through the world-wide-web, please send a note to | // | li...@ph... so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Author: Rasmus Lerdorf <ra...@ph...> | // +----------------------------------------------------------------------+ // // $Id: File_Passwd.php,v 1.1 2004/01/25 03:57:15 rurban Exp $ // // Manipulate standard UNIX passwd,.htpasswd and CVS pserver passwd files require_once 'PEAR.php' ; /** * Class to manage passwd-style files * * @author Rasmus Lerdorf <ra...@ph...> */ class File_Passwd { /** * Passwd file * @var string */ var $filename ; /** * Hash list of users * @var array */ var $users ; /** * hash list of csv-users * @var array */ var $cvs ; /** * filehandle for lockfile * @var int */ var $fplock ; /** * locking state * @var boolean */ var $locked ; /** * name of the lockfile * @var string */ var $lockfile = './passwd.lock'; /** * Constructor * Requires the name of the passwd file. This functions opens the file and read it. * Changes to this file will written first in the lock file, so it is still possible * to access the passwd file by another programs. The lock parameter controls the locking * oft the lockfile, not of the passwd file! ( Swapping $lock and $lockfile would * breaks bc to v1.3 and smaller). * Don't forget to call close() to save changes! * * @param $file name of the passwd file * @param $lock if 'true' $lockfile will be locked * @param $lockfile name of the temp file, where changes are saved * * @access public * @see close() */ function File_Passwd($file, $lock = 0, $lockfile = "") { $this->filename = $file; if( !empty( $lockfile) ) { $this->lockfile = $lockfile ; } if($lock) { $this->fplock = fopen($this->lockfile, 'w'); flock($this->fplock, LOCK_EX); $this->locked = true; } $fp = fopen($file,'r') ; if( !$fp) { return new PEAR_Error( "Couldn't open '$file'!", 1, PEAR_ERROR_RETURN) ; } while(!feof($fp)) { $line = fgets($fp, 128); list($user, $pass, $cvsuser) = explode(':', $line); if(strlen($user)) { $this->users[$user] = trim($pass); $this->cvs[$user] = trim($cvsuser); } } fclose($fp); } // end func File_Passwd() /** * Adds a user * * @param $user new user id * @param $pass password for new user * @param $cvs cvs user id (needed for pserver passwd files) * * @return mixed returns PEAR_Error, if the user already exists * @access public */ function addUser($user, $pass, $cvsuser = "") { if(!isset($this->users[$user]) && $this->locked) { $this->users[$user] = crypt($pass); $this->cvs[$user] = $cvsuser; return true; } else { return new PEAR_Error( "Couldn't add user '$user', because the user already exists!", 2, PEAR_ERROR_RETURN); } } // end func addUser() /** * Modifies a user * * @param $user user id * @param $pass new password for user * @param $cvs cvs user id (needed for pserver passwd files) * * @return mixed returns PEAR_Error, if the user doesn't exists * @access public */ function modUser($user, $pass, $cvsuser="") { if(isset($this->users[$user]) && $this->locked) { $this->users[$user] = crypt($pass); $this->cvs[$user] = $cvsuser; return true; } else { return new PEAR_Error( "Couldn't modify user '$user', because the user doesn't exists!", 3, PEAR_ERROR_RETURN) ; } } // end func modUser() /** * Deletes a user * * @param $user user id * * @return mixed returns PEAR_Error, if the user doesn't exists * @access public */ function delUser($user) { if(isset($this->users[$user]) && $this->locked) { unset($this->users[$user]); unset($this->cvs[$user]); } else { return new PEAR_Error( "Couldn't delete user '$user', because the user doesn't exists!", 3, PEAR_ERROR_RETURN) ; } } // end func delUser() /** * Verifies a user's password * * @param $user user id * @param $pass password for user * * @return boolean true if password is ok * @access public */ function verifyPassword($user, $pass) { if(isset($this->users[$user])) { if($this->users[$user] == crypt($pass, substr($this->users[$user], 0, 2))) return true; } return false; } // end func verifyPassword() /** * Return all users from passwd file * * @access public * @return array */ function listUsers() { return $this->users; } // end func listUsers() /** * Writes changes to passwd file and unlocks it * * @access public */ function close() { if($this->locked) { foreach($this->users as $user => $pass) { if($this->cvs[$user]) { fputs($this->fplock, "$user:$pass:" . $this->cvs[$user] . "\n"); } else { fputs($this->fplock, "$user:$pass\n"); } } rename($this->lockfile, $this->filename); flock($this->fplock, LOCK_UN); $this->locked = false; fclose($this->fplock); } } // end func close() } ?> |