source: trunk/instant_messenger/inc/class.ldap_im.inc.php @ 151

<?php
class ldap_im
{
        private $ldap_host;
        private $ldap_context;
        private $conn;
        private $user;
        private $jid;
        private $password;
        
        function __construct()
        {
                session_start();
                $this->ldap_host                = $_SESSION['phpgw_info']['instant_messenger']['server_ldap_jabber'];
                $this->ldap_context     = $_SESSION['phpgw_info']['instant_messenger']['context_ldap_jabber'];
                $this->user                     = $_SESSION['phpgw_info']['instant_messenger']['user_ldap_jabber'];
                $this->password                 = $_SESSION['phpgw_info']['instant_messenger']['password_ldap_jabber'];
                $this->jid                              = $_SESSION['phpgw_info']['instant_messenger']['user'];
                $this->connect_ldap(false);
                session_write_close();
        }
        
        function __destruct()
        {
                ldap_close($this->conn);
        }
        
        function connect_ldap($refer)
        {
                $this->conn = ldap_connect($this->ldap_host);
                ldap_set_option($this->conn, LDAP_OPT_PROTOCOL_VERSION, 3);
                ldap_set_option($this->conn, LDAP_OPT_REFERRALS, $refer);
                if(trim($this->user) != "")
                        @ldap_bind($this->conn,$this->user,$this->password);
                else            
                        @ldap_bind($this->conn);
        }
        
        function get_photo_ldap($pUser,$getPhoto)
        {
                $user = ( $pUser == "im_avatar" ) ? $this->jid : $pUser ;
                
                if ($this->conn) 
                {
                        $filter="(&(uid=".$user.")(phpgwAccountType=u))";               
                        $justthese = array("jpegphoto");
                        $search = @ldap_search($this->conn,$this->ldap_context, $filter, $justthese);
                        $entry = @ldap_first_entry($this->conn, $search);
                        $jpeg_data = @ldap_get_values_len($this->conn, $entry, "jpegphoto");
                        
                        if( count($jpeg_data) > 1)
                        {
                                $photo = imagecreatefromstring($jpeg_data[0]);
                                if($photo)
                                {
                                        if($getPhoto)
                                        {
                                                header("Content-Type: image/jpeg");
                                                $width = imagesx($photo);
                                                $height = imagesy($photo);
                                                $twidth = 49;
                                                $theight = 65;
                                                $small_photo = imagecreatetruecolor ($twidth, $theight);
                                                imagecopyresampled($small_photo, $photo, 0, 0, 0, 0,$twidth, $theight, $width, $height);
                                                imagejpeg($small_photo,'',100);
                                                return;         
                                        }else{
                                                return "true";
                                        }                               
                                }else{
                                        return "false";
                                }
                        }else{
                                return "false";
                        }
                }
        }
        
        function photo_ldap($user)
        {
                $uid = ( $user['uid'] == "im_avatar" ) ? $this->jid : $user['uid'] ;
                return $this->get_photo_ldap($uid,false);
        }
        
        function list_users_ldap($search)
        {

                if($this->conn){
                        $filter = "(&(".$search.")(phpgwAccountType=u))";
                        $justthese = array("uid","uidNumber","cn","mail","phpgwAccountVisible","dn");
                        $search = ldap_search($this->conn,$this->ldap_context,$filter,$justthese);
                        $entry = ldap_get_entries($this->conn,$search);
                }
                
                if( $entry['count'] > 0){
                        $i = 0;
                        $result_user = array();
                        foreach($entry as $tmp)
                        {
                                if($tmp['uidnumber'][0] != "" && $tmp['phpgwaccountvisible'][0] != "-1"){
                                        $result_user[$i]['uidnumber'] = $tmp['uidnumber'][0];                   
                                        $result_user[$i]['mail'] = $tmp['mail'][0];
                                        $result_user[$i]['uid'] = $tmp['uid'][0];
                                        $result_user[$i]['cn'] = $tmp['cn'][0];
                                        $ou = explode("dc=",$tmp['dn']);
                                        $ou = explode("ou=",$ou[0]);
                                        $ou = array_pop($ou);
                                        $result_user[$i]['dn'] = strtoupper(substr($ou,0,strlen($ou)-1));                                       
                                        $i++;
                                }                               
                        }
                        return $result_user;
                }
                return 0;
        }
        
        function list_groups_ldap($search)
        {
        
                if( $this->conn ){
                        $filter = "(&(".$search.")(objectClass=posixGroup))";
                        $justthese = array("gidnumber","cn","memberuid");                       
                        $search = ldap_search($this->conn,$this->ldap_context, $filter, $justthese);
                        $entry = ldap_get_entries($this->conn,$search);
                }

                if($entry['count'] > 0){
                        $i = 0;
                        $result_groups = array();
                        foreach($entry as $tmpg){
                                if($tmpg['gidnumber'] != ""){
                                        if(array_key_exists("memberuid", $tmpg)){
                                                $result_groups[$i]['gidnumber'] = $tmpg['gidnumber'][0];                                                
                                                @array_shift($tmpg['memberuid']);
                                                foreach($tmpg['memberuid'] as $tmp)
                                                        $result_groups[$i]['members'][] = $tmp;                                 
                                                $i++;
                                        }
                                }
                        }       
                }
                
                if(count($result_groups) > 0 ){
                        return $result_groups;
                }else{
                        return 0;
                }
        }
        
        function list_organizations_ldap()
        {
                $result_org = "<organizations><ou></ou>";

                if ($this->conn) 
                {
                        $filter="ou=*";         
                        $justthese = array("ou");
                        $search = ldap_list($this->conn,$this->ldap_context, $filter, $justthese);
                        $entry = ldap_get_entries($this->conn, $search);
                }
                
                foreach($entry as $tmp)
                        if($tmp['ou'][0] != "")
                                $result_org .= "<ou>" . $tmp['ou'][0] . "</ou>";  

                $result_org .= "</organizations>";
                
                return $result_org;
        }
        
        function info_user($user)
        {
                $uid = "uid=".$user['uid'];
                $i= 0;
                
                $entry = $this->list_users_ldap($uid);
                
                if( count($entry) > 0 )
                        return $entry;
                else
                        return false;   
        }
}

if(trim($_REQUEST['user']) != "")
{
        $obj_img = new ldap_im();
        $obj_img->get_photo_ldap($_REQUEST['user'],true);
}

?>