source: trunk/jabberit_messenger/inc/getphoto.php @ 697

<?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.                                               *
  \***************************************************************************/

function ldap_rebind($ldap_connection, $ldap_url){
        include('conf_Ldap_Photos.php');
        $handle   = unserialize(base64_decode($CONF_SERVER));
        @ldap_bind($ldap_connection, $handle['dn'],$handle['passwd']);
}

class ldapPhoto
{
        private $host;
        private $dn;
        private $passwd;
        private $refer;
        private $user_referral;
        private $password_referral;
        private $conn;
        private $context;
        private $photo_user = array();
        private $handle;


        function __construct()
        {
                require_once('conf_Ldap_Photos.php');
                $handle   = unserialize(base64_decode($CONF_SERVER));

                $this->host             = $handle['host'];
                $this->context  = $handle['context'];
                $this->dn               = $handle['dn'];
                $this->passwd   = $handle['passwd'];
                
                $this->refer    = true;
                $this->version3 = true;
        }


        private final function ldapConnect()
        {
                if(!function_exists('ldap_connect'))
                {
                        printf("<b>Erro : Ldap Não suportado %s</b><br>" , $this->host);
                        return False;
                }
                
                if(!$this->conn = ldap_connect($this->host))
                {
                        printf("<b>Erro: não pode conectar no servidor ldap %s!</b><br>", $this->host);
                        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);

                // verifica refer
                if( $this->refer )
                {
                        @ldap_set_rebind_proc($this->conn, ldap_rebind);
                }
                
                // bind as admin
                if($this->dn && $this->passwd && !ldap_bind($this->conn, $this->dn, $this->passwd)){
                        echo "<center><b>ExpressoLivre indisponível no momento</b></center>";
                        return False;
                }

                // bind as anonymous
                if(!$this->dn && !$this->passwd && !@ldap_bind($this->conn))
                {
                        echo "<center><b>ExpressoLivre indisponível no momento</b></center>";
                        return False;
                }                                               
        }
        
        public final function getNameOrganization($pUid, $pCharset)
        {
                $this->ldapConnect();
                
                if( $this->conn )
                {
                        $filter = "(&(phpgwaccounttype=u)(uid=".$pUid.")(!(phpgwaccountvisible=-1)))";
                        $justthese = array("uid","cn","dn");
                        $search = ldap_search($this->conn,$this->context,$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($uid)
        {
                $this->ldapConnect();
                if( $this->conn )
                {
                        $filter = "(&(phpgwaccounttype=u)(uid=".$uid.")(!(phpgwaccountvisible=-1)))";
                        $justthese = array("uid","jpegPhoto");
                        $search = ldap_search($this->conn,$this->context,$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($pUid)
        {
                if(isset($_SESSION['phpgw_info']['jabberit_messenger']['photo'][$pUid]))
                {
                        $photo = imagecreatefromstring($_SESSION['phpgw_info']['jabberit_messenger']['photo'][$pUid]);
                        
                        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($_SESSION['phpgw_info']['jabberit_messenger']['photo'][$pUid]);   
                        return; 
                }
        }
}

if(trim($_REQUEST['uid']) != "")
{
        $uid = trim($_REQUEST['uid']);
        $a = new ldapPhoto();
        
        if( strpos($uid,"@"))
        {
                $uid = substr($uid, 0, strpos($uid,"@"));       
                $photo = $a->getPhotoLdap($uid);
                $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));
        }
        else
        {
                $a->getPhotoSession($uid);
        }
}

if(trim($_POST['jid']) != "")
{
        $jid = trim($_POST['jid']);
        if( strpos($jid,"@"))
                $jid = substr($jid, 0, strpos($jid,"@"));
        $charset = trim($_POST['charset']);
        $a = new ldapPhoto();
        
        printf("%s",$a->getNameOrganization($jid, $charset));
}
?>