<?php
  /***************************************************************************\
  *  Expresso - Expresso Messenger                                            *
  *  	- Alexandre Correia / Rodrigo Souza							          *
  *  	- JETI - http://jeti-im.org/										  *
  * ------------------------------------------------------------------------- *
  *  This program is free software; you can redistribute it and/or modify it  *
  *  under the terms of the GNU General Public License as published by the    *
  *  Free Software Foundation; either version 2 of the License, or (at your   *
  *  option) any later version.                                               *
  \***************************************************************************/

class webService
{
	private $conn;
	private $contextLdap;
	private $userDn;	
	private $jabberName;
	private $passwd;
	private $photo_user = array();
	private $refer;
	private $serverLdap;
	
	function __construct()
	{
		require_once('confLDAPInternal.php');
		$handle   = unserialize(base64_decode($LDAP_INTERNAL));

		$this->jabberName	= $handle['jabberName'];
		$this->serverLdap	= $handle['serverLdap'];
		$this->contextLdap	= $handle['contextLdap'];
		$this->userDn		= $handle['user'];
		$this->passwd		= $handle['password'];
		
		$this->refer  	= true;
		$this->version3 = true;
	}
	
	private final function ldapConnect()
	{
		if(!function_exists('ldap_connect'))
			return False;
		
		if(!$this->conn = ldap_connect($this->serverLdap))
			return False;

		if( $this->version3 )
			if( !ldap_set_option($this->conn,LDAP_OPT_PROTOCOL_VERSION,3) )
				$this->version = false;

		ldap_set_option($this->conn, LDAP_OPT_REFERRALS, $this->refer);

		// Bind as Admin
		if($this->userDn && $this->passwd && !ldap_bind($this->conn, $this->userDn, $this->passwd))
			return False;
		
		// Bind as Anonymous
		if(!$this->userDn && !$this->passwd && !@ldap_bind($this->conn))
			return False;
	}

	private final function ldapConnectExternal($pHostJabber)
	{
		require_once('confLDAPExternal.php');
		$handle   = unserialize(base64_decode($LDAP_EXTERNAL));

		foreach($handle as $itens)
			if(trim($pHostJabber) == $itens['jabberName'])
			{
				$this->jabberName	= $itens['jabberName'];
				$this->serverLdap	= $itens['serverLdap'];
				$this->contextLdap	= $itens['contextLdap'];
				$this->userDn		= $itens['user'];
				$this->passwd		= $itens['password'];
			}		

		$this->refer  	= true;
		$this->version3 = true;
		
		$this->ldapConnect();
	}
	
	public final function getNameOrganization($pJid, $pCharset)
	{
		$uid = substr($pJid, 0, strpos($pJid,"@"));
		
		if( $this->jabberName == (substr($pJid, strpos($pJid, "@") + 1 )))
		{
			$this->ldapConnect();
			
			if( $this->conn )
			{
				$filter = "(&(phpgwaccounttype=u)(uid=".$uid.")(!(phpgwaccountvisible=-1)))";
				$justthese = array("uid","cn","dn");
				$search = ldap_search($this->conn,$this->contextLdap,$filter,$justthese);
				$entry = ldap_get_entries($this->conn,$search);
				$cn = $entry[0]['cn'][0];
				$ou = explode("dc=", $entry[0]['dn']);
				$ou = explode("ou=",$ou[0]);
				$ou = array_pop($ou);
				$dn = strtoupper(substr($ou,0,strlen($ou)-1));
	
				$return = utf8_encode("Nome : " . $cn . ";Organização : " . $dn);
			}
		}
		else
		{
			$this->ldapConnectExternal(substr($pJid, strpos($pJid, "@") + 1 ));

			if( $this->conn )
			{
				$filter = "(&(phpgwaccounttype=u)(uid=".$uid.")(!(phpgwaccountvisible=-1)))";
				$justthese = array("uid","cn","dn");
				$search = ldap_search($this->conn,$this->contextLdap,$filter,$justthese);
				$entry = ldap_get_entries($this->conn,$search);
				$cn = $entry[0]['cn'][0];
				$ou = explode("dc=", $entry[0]['dn']);
				$ou = explode("ou=",$ou[0]);
				$ou = array_pop($ou);
				$dn = strtoupper(substr($ou,0,strlen($ou)-1));
	
				$return = utf8_encode("Nome : " . $cn . ";Organização : " . $dn);
			}
		}

		if( $pCharset === "1" )
			return $return;
		else
			return mb_convert_encoding($return, "ISO-8859-1", "UTF-8");

		$return = utf8_encode("Nome : Não Identificado ;Organização : Não Identificado");			

		if( $pCharset === 1 )
			return $return;
		else
			return mb_convert_encoding($return, "ISO-8859-1", "UTF-8");

	}
	
	public final function getPhotoLdap($pJid)
	{
		$uid = substr($pJid, 0, strpos($pJid,"@"));
	
		if( $this->jabberName == (substr($pJid, strpos($pJid, "@") + 1 )))
		{
			$this->ldapConnect();
			
			if( $this->conn )
			{
				$filter = "(&(phpgwaccounttype=u)(uid=".$uid.")(!(phpgwaccountvisible=-1)))";
				$justthese = array("uid","jpegPhoto");
				$search = ldap_search($this->conn,$this->contextLdap,$filter,$justthese);
				$entry1 = ldap_get_entries($this->conn,$search);
				$entry = ldap_first_entry( $this->conn, $search );
				if( $entry1['count'] > 0 )
				{
					$i = 0;
					$photo = "";
					$return_photo = "";
					$photo = @ldap_get_values_len($this->conn, $entry, 'jpegphoto');

					if ($photo)
						$return_photo = $photo[0];								
					return $return_photo;
				}
			}
		}
		else
		{
			$jabberName = substr($pJid, strpos($pJid, "@") + 1 );
			
			if( strpos($jabberName, "/") )
				$jabberName = substr($jabberName, 0, strpos($jabberName, "/"));
			
			$this->ldapConnectExternal($jabberName);

			if( $this->conn )
			{
				$filter = "(&(phpgwaccounttype=u)(uid=".$uid.")(!(phpgwaccountvisible=-1)))";
				$justthese = array("uid","jpegPhoto");
				$search = ldap_search($this->conn,$this->contextLdap,$filter,$justthese);
				$entry1 = ldap_get_entries($this->conn,$search);
				$entry = ldap_first_entry( $this->conn, $search );
				if( $entry1['count'] > 0 )
				{
					$i = 0;
					$photo = "";
					$return_photo = "";
					$photo = @ldap_get_values_len($this->conn, $entry, 'jpegphoto');
					if ($photo)
						$return_photo = $photo[0];								
					return $return_photo;
				}
			}
		}
					
		return false;
	}
	
	public final function getPhotoSession($pUid, $pOu)
	{
		$uid = $pUid;
		if( strpos($pUid, "@") )
			$uid = substr($pUid, 0, strpos($pUid, "@"));
		
		if( isset($_SESSION['phpgw_info']['jabberit_messenger']['photo'][$pOu][$uid]) )
		{
			$photo = imagecreatefromstring($_SESSION['phpgw_info']['jabberit_messenger']['photo'][$pOu][$uid]);

			header("Content-Type: image/jpeg");
			$width = imagesx($photo);
			$height = imagesy($photo);
			$twidth = 60;
			$theight = 80;
			$small_photo = imagecreatetruecolor ($twidth, $theight);
			imagecopyresampled($small_photo, $photo, 0, 0, 0, 0,$twidth, $theight, $width, $height);
			imagejpeg($small_photo,'',100);

			unset($_SESSION['phpgw_info']['jabberit_messenger']['photo'][$pOu][$uid]);

			return;	
		}
	}
}

if(trim($_REQUEST['javaPhoto']) != "" )
{
	$obj = new webService();
	$jid = $_REQUEST['javaPhoto'];
	
	$photo = $obj->getPhotoLdap($jid);
	$photoWidth = 70;
	$photoHeight = 90;
	$newImage = imagecreatetruecolor($photoWidth,$photoHeight);		

	if( $photo )
	{
		$photo = imagecreatefromstring($photo);
		imagecopyresized($newImage,$photo,0,0,0,0,$photoWidth,$photoHeight,imagesx($photo),imagesy($photo));
	}
	else
	{
		$photo = @imagecreatefrompng("../templates/default/images/photo.png");
		imagecopyresized($newImage,$photo,0,0,0,0,$photoWidth,$photoHeight,imagesx($photo),imagesy($photo));
	}
	
	ob_start();
	imagepng($newImage);
	$imagePhoto = ob_get_contents();
	imagedestroy($newImage);
	ob_end_clean();
	printf("%s",base64_encode($imagePhoto));
	
}

if(trim($_POST['jid']) != "")
{
	$jid = trim($_POST['jid']);
	$charset = trim($_POST['charset']);
	$obj = new webService();
	
	printf("%s",$obj->getNameOrganization($jid, $charset));
}

if(trim($_REQUEST['phpPhoto']) != "")
{
	$obj = new webservice();
	$ou = $_REQUEST['phpOu'];
	$jid = $_REQUEST['phpPhoto'];
	
	$obj->getPhotoSession($jid, $ou);
}

?>