<?php
class ldap_im
{
	private $ldap_host;
	private $ldap_context;
	private $conn;
	private $user;
	private $password;
	
	function __construct()
	{
		$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->connect_ldap(false);
	}
	
	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($user,$getPhoto)
	{
		$result = "";
		if ($this->conn) {
			$filter="uid=".$user;		
			$justthese = array("jpegphoto");
			$search = ldap_search($this->conn,$this->ldap_context, $filter, $justthese);
			$entry = ldap_first_entry($this->conn, $search);
			if($entry != 'undefined'){
				$jpeg_data = @ldap_get_values_len($this->conn, $entry, "jpegphoto");
				$photo = imagecreatefromstring($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 1;
					}				
				}else{
					return 0;
				}
			}else{
				return 0;
			}
		}
	}
	
	function photo_ldap($user)
	{
		return $this->get_photo_ldap($user['uid'],false);
	}
	
	function list_users_ldap($orgLdap = false,$type,$uid)
	{
		$result_users = array();
		$i = 0;
		
		if ($this->conn) {
			$filter = $type ."=". $uid;		
			$justthese = array("uid","uidNumber","cn","mail","phpgwAccountVisible");
			if($orgLdap)
				$search = ldap_search($this->conn,"ou=".$orgLdap.",".$this->ldap_context, $filter, $justthese);
			else
				$search = ldap_search($this->conn,$this->ldap_context, $filter, $justthese);
			$entry = ldap_get_entries($this->conn, $search);
		}
		
		if($entry['count'] == 0){
			$result_users['count'] = 0;
			$result_users['uidnumber'] = $uid;
			return $result_users;	
		}
		
		$result_users['uid'] = $entry[0]['uid'][0];
		$result_users['uidnumber'] = $entry[0]['uidnumber'][0];
		$result_users['cn'] = $entry[0]['cn'][0];
		$result_users['mail'] = $entry[0]['mail'][0];
		$result_users['phpgwAccountVisible'] = @$entry[0]['phpgwaccountvisible'][0];

		return $result_users;
	}
	
	function list_groups_ldap($orgLdap, $gid)
	{
		$result_groups = "";
		$i = 0;
		
		if ($this->conn) {
			$filter="(&(gidNumber=".$gid.")(objectClass=posixGroup))";		
			$justthese = array("gidnumber","cn","memberuid");
			$search = ldap_search($this->conn,"ou=".$orgLdap.",".$this->ldap_context, $filter, $justthese);
			$entry = ldap_get_entries($this->conn, $search);
		}
	
		if($entry['count'] == "1"){
			$result_groups = array_shift($entry[0]['memberuid']);
			return $entry[0]['memberuid'];
		}		
		return false;
	}
	
	function list_organizations_ldap()
	{
		$result_org = array();
		$i = 0;
		if ($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] != ""){
				$result_org[$i]['ou'] = $tmp['ou'][0];
				$i++;
			}
		}
		return $result_org;
	}
	
	function info_user($user)
	{
		$uid = $user['uid'];
		$i= 0;
		
		$entry = $this->list_users_ldap(false,"uid",$uid);
		
		$result_users[0]['uid'] = $entry['uid'];
		$result_users[0]['cn'] = $entry['cn'];
		$result_users[0]['mail'] = $entry['mail'];

		$_SESSION['debug'] = $result_users;
		
		return $result_users;
		
	}
}

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

?>