User management for the world wide web

ApacheDBM.php

<?php
/* Register self. */
$this->addListener(new GenieGate_Api_Plugin_ApacheDBM($this->CFG)); 

class GenieGate_Api_Plugin_ApacheDBM extends GenieGate_Api_Plugin {
    
    var $CFG;   
    function GenieGate_Api_Plugin_ApacheDBM(&$conf){
        $this->CFG = $conf[ApacheDBM];
    }
    function setupUser($ua,$fields,$conf_id){      
        $uid = $fields[uid];
        $pass = $fields[password];
        $cp = crypt($pass,$pass);
        $comment = $fields[name];
        $h = $this->_apache_get_handle();
        dba_replace($uid,"$cp::$comment",$h); // Insert or replace next record.
        dba_close($h);
    }
    function _apache_get_handle(){
        $handler = $this->CFG[DBMHandler];
        $file = $this->CFG[AuthDBMFile];
        $h = dba_open($file,"cd",$handler) or die("Can't open $file");
        return($h);
    }
    function userInfoChanged(&$um,$uid,&$old_values,&$new_values) {
        $h = $this->_apache_get_handle();
        $val = dba_fetch($uid,0,$h);
        list($pass,$groups,$comment) = explode(":",$val);
        $np = $new_values[password];
        $nc = $new_values[name];
        $cp = crypt($np,$np);
        dba_replace($uid,"$cp:$groups:$nc",$h); // Insert or replace next record.
        dba_close($h);
    }
    // Group modification.
    function userGroupsChanged(&$gm,$uid,&$oldg,&$newg) {    
        $h = $this->_apache_get_handle();
        $val = dba_fetch($uid,0,$h);
        list($pass,$groups,$comment) = explode(":",$val);
        $groups = implode(",",$newg);
        dba_replace($uid,"$pass:$groups:$comment",$h);
        dba_close($h);
    }
    
    // Removes the gid from all users who are known to be members.
    function groupNameDelete(&$gm,$gid,&$info){
        $members = $gm->getMembers($gid); // Get all members who are part of the group.
        $h = $this->_apache_get_handle();
        foreach($members as $user){
            $uid = $user[uid];
            $val = dba_fetch($uid,0,$h);
            if($val){
                list($pass,$gsr,$comment) = explode(":",$val);
                $groups = explode(",",$gsr);
                $i = array_search($gid,$groups);
                if(is_integer($i)){ // sanity check.
                    array_splice($groups,$i,1); // Remove the ID.
                    $gsr = implode($groups);
                    dba_replace($uid,"$pass:$gsr:$comment",$h);
                }
            }
        }
        dba_close($h);
    }
    
    function removeUser(&$ua,$uid,&$fields){
        $h = $this->_apache_get_handle();
        dba_delete($uid,$h); // Remove user (and their groups)
    }

}
?>

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