<?php
require_once($_SESSION['rootPath'].'/API/class.servicelocator.php');
include_once("class.imap_functions.inc.php");
include_once("class.functions.inc.php");

function ldapRebind($ldap_connection, $ldap_url)
{
	@ldap_bind($ldap_connection, $_SESSION['phpgw_info']['expressomail']['ldap_server']['acc'],$_SESSION['phpgw_info']['expressomail']['ldap_server']['pw']);
}

class ldap_functions
{
	var $ds;
	var $ldap_host;
	var $ldap_context;
	var $imap;
	var $external_srcs;
	var $max_result;
	var $functions;
	var $ldapService;
	
	function ldap_functions(){
	// todo: Page Configuration for External Catalogs.
		@include("../contactcenter/setup/external_catalogs.inc.php");
		$this->ldapService = ServiceLocator::getService('ldap');
		$this->external_srcs = $external_srcs;
		$this->max_result = $this->ldapService->limit;
		$this->functions = new functions();
	}
	// Using ContactCenter configuration.
	function ldapConnect($refer = false,$catalog = 0){
		if ($catalog > 0 && is_array($this->external_srcs)){
			$this->ldap_host 	= $this->external_srcs[$catalog]['host'];
			$this->ldap_context = $this->external_srcs[$catalog]['dn'];
			$this->bind_dn 		= $this->external_srcs[$catalog]['acc'];
			$this->bind_dn_pw 	= $this->external_srcs[$catalog]['pw'];
			$this->object_class = $this->external_srcs[$catalog]['obj'];
			$this->base_dn 		= $this->external_srcs[$catalog]['dn'];
			$this->branch 		= $this->external_srcs[$catalog]['branch'];
		}else {
			$this->ldap_host 	= $_SESSION['phpgw_info']['expressomail']['ldap_server']['host'];
			$this->ldap_context = $_SESSION['phpgw_info']['expressomail']['ldap_server']['dn'];
			$this->bind_dn = $_SESSION['phpgw_info']['expressomail']['ldap_server']['acc'];
			$this->bind_dn_pw = $_SESSION['phpgw_info']['expressomail']['ldap_server']['pw'];
			$this->branch = 'ou';
		}

		$this->ds = ldap_connect($this->ldap_host);
		ldap_set_option($this->ds, LDAP_OPT_PROTOCOL_VERSION, 3);
		ldap_set_option($this->ds, LDAP_OPT_REFERRALS, $refer);
		if ($refer)	{
			ldap_set_rebind_proc($this->ds, ldapRebind);
		}
		@ldap_bind($this->ds,$this->bind_dn,$this->bind_dn_pw );
	}

	//Teste jakjr retornando o DS
	function ldapConnect2($refer = false){
		$ds = ldap_connect($_SESSION['phpgw_info']['expressomail']['ldap_server']['host']);

		if (!$ds)
			return false;

		ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
		ldap_set_option($ds, LDAP_OPT_REFERRALS, $refer);
		if ($refer)
			ldap_set_rebind_proc($ds, ldapRebind);
		@ldap_bind($ds, $_SESSION['phpgw_info']['expressomail']['ldap_server']['acc'],$_SESSION['phpgw_info']['expressomail']['ldap_server']['pw']);

		return $ds;
	}


	// usa o host e context do setup.
	function ldapRootConnect($refer = false){
		$this->ldap_host 	= $_SESSION['phpgw_info']['expressomail']['server']['ldap_host'];
		$this->ldap_context = $_SESSION['phpgw_info']['expressomail']['server']['ldap_context'];
		$this->ds 			= ldap_connect($this->ldap_host);
		ldap_set_option($this->ds, LDAP_OPT_PROTOCOL_VERSION, 3);
		ldap_set_option($this->ds, LDAP_OPT_REFERRALS, $refer);
		ldap_bind($this->ds, $_SESSION['phpgw_info']['expressomail']['server']['ldap_root_dn'],$_SESSION['phpgw_info']['expressomail']['server']['ldap_root_pw']);

	}

	function quicksearch($params)
	{
		include_once("class.functions.inc.php");
		$functions = new functions;
		
		$field		= $params['field'];
		$ID			= $params['ID'];

                $ldapService = ServiceLocator::getService('ldap');
                $filter =  $ldapService->getSearchFilter($params['search_for']);
	
		$contacts_result = array();
		$contacts_result['field'] = $field;
		$contacts_result['ID'] = $ID;
                $search_for = utf8_encode($params['search_for']);

		// follow the referral
		$this->ldapConnect(true);
                
		if ($this->ds)
        {
                $ldapService->connection = $this->ds;

                $justthese = array("cn", "mail", "telephonenumber", "mobile", "phpgwaccountvisible", "uid", "employeenumber", "ou");
                $types = false;

                if( $field == 'null' || $ID == 'null' )
                {
                    $justthese[] = "jpegphoto";
                    $types = 'u';
                }

		$filter = $ldapService->getSearchFilter( $params['search_for'], $types );

		$sr=@ldap_search($this->ds, $this->ldap_context, $filter, $justthese, 0, $this->max_result);
			
		if(!$sr)
		    return null;

		$count_entries = ldap_count_entries($this->ds,$sr);

                $info = ldap_get_entries($this->ds, $sr);

	    // New search only on user sector
	    if ($count_entries == $this->max_result)
	    {
                $overload = $count_entries;
	    }
	    else
	    {
		$catalogsNum=count($this->external_srcs);
		for ($i=0; $i<=$catalogsNum; $i++)	{
			if ($this->external_srcs[$i]["quicksearch"]) {
				$this->ldapConnect(true,$i);
				$filter="(|(cn=*$search_for*)(mail=*$search_for*))";
				$justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible", "uid","employeeNumber", "ou");
				$sr=@ldap_search($this->ds, $this->ldap_context, $filter, $justthese, 0, $this->max_result+1);
				if(!$sr)
					return null;
				$count_entries = ldap_count_entries($this->ds,$sr);
				$search = ldap_get_entries($this->ds, $sr);
				for ($j=0; $j<$search["count"]; $j++) {
					$info[] = $search[$j];
				}
				$info["count"] = count($info)-1;
			}
		}
	    }

	    $tmp = array();
	    $tmp_users_from_user_org = array();

	    for ($i=0; $i<$info["count"]; $i++)
	    {
		$key = $info[$i]["mail"][0] . '%' . $info[$i]["telephonenumber"][0] . '%'. $info[$i]["mobile"][0] . '%' . 			$info[$i]["uid"][0] . '%' . $info[$i]["jpegphoto"]['count'] . '%' . $info[$i]["employeenumber"][0] . '%' . 	$info[$i]["ou"][0];

		if (/*(!$quickSearch_only_in_userSector) &&*/ preg_match("/$user_sector_dn/i", $info[$i]['dn']))
		{
			$tmp_users_from_user_org[$key] = utf8_decode($info[$i]["cn"][0]);
			continue;
		}

		$tmp[$key] = utf8_decode($info[$i]["cn"][0]);
	    }

	    natcasesort($tmp_users_from_user_org);
	    natcasesort($tmp);

	    if (($field != 'null') && ($ID != 'null'))
	    {
		    $i = 0;

		    $tmp = array_merge($tmp, $tmp_users_from_user_org);
		    natcasesort($tmp);

		    foreach ($tmp as $info => $cn)
		    {
			    $contacts_result[$i] = array();
			    $contacts_result[$i]["cn"] = $cn;
			    list ($contacts_result[$i]["mail"], $contacts_result[$i]["phone"], $contacts_result[$i]["mobile"], $contacts_result[$i]["uid"], $contacts_result[$i]["jpegphoto"], $contacts_result[$i]["employeenumber"], $contacts_result[$i]["ou"]) = split ('%', $info);
			    $i++;
		    }
		    $contacts_result['quickSearch_only_in_userSector'] = $quickSearch_only_in_userSector;
		    $contacts_result['maxResult'] = $ldapService->limit;
	    }
	    else
	    {
		    $options_users_from_user_org = '';
		    $options = '';

	    
		    $i = 0;
		    foreach ($tmp_users_from_user_org as $info => $cn)
		    {
			    $contacts_result[$i] = array();
			    $options_users_from_user_org .= $this->make_quicksearch_card($info, $cn);
			    $i++;
		    }

	    
		    foreach ($tmp as $info => $cn)
		    {
			    $contacts_result[$i] = array();
			    $options .= $this->make_quicksearch_card($info, $cn);
			    $i++;
		    }


		    if (($options_users_from_user_org != '') && ($options != ''))
		    {					
			    $head_option0 =
				    '<tr class="quicksearchcontacts_unselected">' .
					    '<td colspan="2" width="100%" align="center" style="background:#EEEEEE"><B>' .
						    $this->functions->getLang('Users from your organization') . '</B> ['.count($tmp_users_from_user_org).']';
					    '</td>' .
				    '</tr>';

			    $head_option1 =
				    '<tr class="quicksearchcontacts_unselected">' .
					    '<td colspan="2" width="100%" align="center" style="background:#EEEEEE"><B>' .
						    $this->functions->getLang('Users from others organizations') . '</B> ['.count($tmp).']';
					    '</td>' .
				    '</tr>';
		    }
		    
		    $head_option = '';

		    if( $overload )
		    $head_option = '<tr class="quicksearchcontacts_unselected">' .
				    '<td colspan="2" width="100%" align="center" style="background:#EEEEEE; color: red;"><B>' .str_replace('%1', $this->max_result, $this->functions->getLang('More than %1 results. Please, try to refine your search.')) . '</B> '.
				    '</td>' .
				    '</tr>';

		    $contacts_result = $head_option.$head_option0 . $options_users_from_user_org . $head_option1. $options;

		}
	    }

	    ldap_close($this->ds);

	    return $contacts_result;
	}

	function make_quicksearch_card($info, $cn)
	{
		include_once("class.functions.inc.php");
		$functions = new functions;

		$contacts_result = array();
		$contacts_result["cn"] = $cn;
		if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['extended_info'])
		    $extendedinfo=true;
		else
		    $extendedinfo=false;

		list ($contacts_result["mail"], $contacts_result["phone"], $contacts_result["mobile"], $contacts_result["uid"], $contacts_result["jpegphoto"], $contacts_result["employeenumber"], $contacts_result["ou"]) = split ('%', $info);

		if ($contacts_result['jpegphoto'])
			$photo_link = '<img src="./inc/show_user_photo.php?mail='.$contacts_result['mail'].'">';
		else
			$photo_link = '<img src="./templates/default/images/photo.jpg">';

		$phoneUser = $contacts_result['phone'];

		if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['voip_enabled'] && $phoneUser) {
			$phoneUser = '<a title="'.$this->functions->getLang("Call to Comercial Number").'" href="#" onclick="InfoContact.connectVoip(\''.$phoneUser.'\',\'com\')">'.$phoneUser.'</a>';
			if($contacts_result['mobile']){
				$phoneUser .= ' / <a title="'.$this->functions->getLang("Call to Mobile Number").'" href="#" onclick="InfoContact.connectVoip(\''.$contacts_result['mobile'].'\',\'mob\')">'.$contacts_result['mobile'].'</a>';
			}
		}
		//verifica de existe o celular do funcionario ($contacts_result["mobile"]), se nao, $phoneUser fica vazia;

		    $mobileUser = $contacts_result["mobile"];
		    if($mobileUser && !$voipMobile) {
			    $phoneUser .= " / $mobileUser";
		    }
		    $empNumber = $contacts_result["employeenumber"];
		    if($empNumber) {
			    $empNumber = "$empNumber - ";
		    }
		    $ou = $contacts_result["ou"];
		    if($ou) {
			    $ou = "<br/>$ou" ;
		    }

		// Begin: nickname, firstname and lastname for QuickAdd.
		$fn = $contacts_result["cn"];
		$array_name = explode(" ", $fn);
		if(count($array_name) > 1){			
			$fn = $array_name[0];
			array_shift($array_name);
			$sn = implode(" ",$array_name);
		}
		// End:
		$option =
			'<tr class="quicksearchcontacts_unselected">' .
				'<td class="cc" width="1%">' .
					'<a title="'.$this->functions->getLang("Write message").'" onClick="javascript:QuickSearchUser.create_new_message(\''.$contacts_result["cn"].'\', \''.$contacts_result["mail"].'\')">' .
						$photo_link .
					'</a>' .
				'</td>' .
				'<td class="cc">' .
					'<span name="cn">' . $empNumber . $contacts_result['cn'] . '</span>' . '<br>' .
					'<a title="'.$functions->getLang("Write message").'" onClick="javascript:QuickSearchUser.create_new_message(\''.$contacts_result["cn"].'\', \''.$contacts_result["mail"].'\')">' .
						'<font color=blue>' .
						'<span name="mail">' . $contacts_result['mail'] . '</span></a></font>'.
						'<img src="templates/default/images/user_card.png" style="cursor: pointer;" title="'.$this->functions->getLang("Add Contact").'" onclick="javascript:connector.loadScript(\'ccQuickAdd\');ccQuickAddOne.showList(\''.$fn.','.$fn.','.$sn.','.$contacts_result["mail"].'\')">'.
					'<br>' .
					$phoneUser .
					$ou .
				'</td>' .
				'</tr>';
		return $option;
	}

	function get_catalogs(){
		$catalogs = array();
		$catalogs[0] = $this->functions->getLang("Global Catalog");
		if($this->external_srcs)
			foreach ($this->external_srcs as $key => $valor ){
			$catalogs[$key] = $valor['name'];
		}
		return $catalogs;
	}
	function get_organizations($params){
		$organizations = array();
		$params['referral']?$referral = $params['referral']:$referral = false;
		$cat = $params['catalog'];

		$this->ldapConnect($referral,$cat);

			if($this->branch != '') {
				$filter="(&(".$this->branch."=*)(!(phpgwAccountVisible=-1)))";
				$justthese = array("$this->branch");
			$sr = ldap_list($this->ds, $this->ldap_context, $filter, $justthese);
			$info = ldap_get_entries($this->ds, $sr);

			if($info["count"] == 0)
			{
			    $organizations[0]['ou'] = $this->ldap_context;
			}

			for ($i=0; $i<$info["count"]; $i++)
				$organizations[$i] = $info[$i]["ou"][0];

			ldap_close($this->ds);
			sort($organizations);
		return $organizations;
			}else{
			return null;
	}
	}
	function get_organizations2($params){
		$organizations = array();
		$referral = $params['referral'];
		$this->ldapRootConnect($referral);
		if ($this->ds) {
			$filter="(&(objectClass=organizationalUnit)(!(phpgwAccountVisible=-1)))";
			$justthese = array("ou");
			$sr = ldap_list($this->ds, $this->ldap_context, $filter, $justthese);
			$info = ldap_get_entries($this->ds, $sr);


			if($info["count"] == 0)
			{
			    $organizations[0]['ou'] = $this->ldap_context;
			    $organizations[0]['dn'] = $this->ldap_context;
			}
			else{
			    for ($i=0; $i<$info["count"]; $i++)
			    {
				    $organizations[$i]['ou'] = $info[$i]["ou"][0];
				    $organizations[$i]['dn'] = $info[$i]["dn"];
			    }
			}
			ldap_close($this->ds);
			sort($organizations);
		}
		return $organizations;
	}
	//Busca usuarios de um contexto e ja retorna as options do select - usado por template serpro;
	function search_users($params)
    {
        	$owner = $_SESSION['phpgw_info']['expressomail']['user']['owner'];
			$ldapService = ServiceLocator::getService('ldap');
			$ldapService->connect($_SESSION['phpgw_info']['expressomail']['server']['ldap_host'],
			$_SESSION['phpgw_info']['expressomail']['server']['ldap_root_dn'],
			$_SESSION['phpgw_info']['expressomail']['server']['ldap_root_pw']);
			
			$groups = $ldapService->accountSearch($params['filter'], array("gidNumber","cn"), $params['context'] , 'g', 'cn'); 
			$users = $ldapService->accountSearch($params['filter'], array("uidNumber","cn"), $params['context'] , 'u', 'cn');
			$group_options = array();
			$user_options  = array();
			foreach($groups as $group)
			{
				$group_options[] = '"'.$group['gidNumber'].'U'.'":"'.$group['cn'].'"';
	        }
			
	        foreach($users as $user) 
	        {
				if($owner != $user['uidNumber'])
					$user_options[] = '"'.$user['uidNumber'].'U'.'":"'.$user['cn'].'"';
			}
			
			$user_options = '{'.implode( ',', $user_options ).'}';
			$group_options = '{'.implode( ',', $group_options ).'}';
        	
	        return array("users" => $user_options, "groups" => $group_options);
    }

	function catalogsearch($params)
	{
		$ldapService = ServiceLocator::getService('ldap');
		$filter =  $ldapService->getSearchFilter($params['search_for'],array('u','l','s')); 
		
		$catalog = $params['catalog'];
		$error = False;
		
		//if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['extended_info'])
		    //$extendedinfo=true;
		//else
		    //$extendedinfo=false;


		$this->ldapConnect(true,$catalog);

		$params['organization'] == 'all' ? $user_context = $this->ldap_context :$user_context = $this->branch."=".$params['organization'].",".$this->ldap_context;

		if ($this->ds) {
			$justthese = array("cn", "mail", "phpgwaccounttype", "phpgwAccountVisible", "employeeNumber", "ou");
			$sr=@ldap_search($this->ds, $user_context, $filter, $justthese, 0, $ldapService->limit+1);
			
			if(!$sr)
				return null;
			$count_entries = ldap_count_entries($this->ds,$sr);
			if ($count_entries > $ldapService->limit){ 
				$info = null;
				$error = True;
			}
			else
				$info = ldap_get_entries($this->ds, $sr);

			ldap_close($this->ds);

			$u_tmp = array();
			$g_tmp = array();

			for ($i=0; $i<$info["count"]; $i++){
				if((!$catalog==0)||(strtoupper($info[$i]["phpgwaccounttype"][0]) == 'U') && ($info[$i]["phpgwaccountvisible"][0] != '-1'))
					//aqui eh feita a concatenacao do departamento ao cn;
					$u_tmp[$info[$i]["mail"][0]] = utf8_decode($info[$i]["cn"][0]). '%' . $info[$i]["ou"][0];
				if((!$catalog==0)||(strtoupper($info[$i]["phpgwaccounttype"][0]) == 'L') && ($info[$i]["phpgwaccountvisible"][0] != '-1'))
					$g_tmp[$info[$i]["mail"][0]] = utf8_decode($info[$i]["cn"][0]);
			}

			natcasesort($u_tmp);
			natcasesort($g_tmp);

			$i = 0;
			$users = array();

			foreach ($u_tmp as $mail => $cn){

				$tmp = explode("%", $cn); //explode o cn pelo caracter "%" e joga em $tmp;
				$name = $tmp[0]; //pega o primeiro item (cn) do vetor resultante do explode acima;
				$department = $tmp[1]; //pega o segundo item (ou) do vetor resultanto do explode acima;
				$users[$i++] = array("name" => $name, "email" => $mail, "department" => $department);

			}
			unset($u_tmp);

			$i = 0;
			$groups = array();

			foreach ($g_tmp as $mail => $cn){
				$groups[$i++] = array("name" => $cn, "email" => $mail);
			}
			unset($g_tmp);

			return  array('users' => $users, 'groups' => $groups, 'error' => $error,'maxResult' => $ldapService->limit);
		}else
		return null;
	}

	function get_emails_ldap(){

		$result['mail']= array();
		$result['mailalter']= array();
		$user = $_SESSION['phpgw_info']['expressomail']['user']['account_lid'];
		$this->ldapRootConnect(false);
		if ($this->ds) {
			$filter="uid=".$user;
			$justthese = array("mail","mailAlternateAddress");
			$sr = ldap_search($this->ds,$this->ldap_context, $filter, $justthese);
			$ent = ldap_get_entries($this->ds, $sr);
			ldap_close($this->ds);

			for ($i=0; $i<$ent["count"]; $i++){
				$result['mail'][] = $ent[$i]["mail"][0];
				$result['mailalter'][] = $ent[$i]["mailalternateaddress"][0];
			}
		}
		return $result;
	}

	//Busca usuarios de um contexto e ja retorna as options do select;
	function get_available_users($params)
    {
        $this->ldapRootConnect();
        //Monta lista de Grupos e Usuarios
        $users = Array();
        $groups = Array();
        $user_context= $params['context'];
        $owner = $_SESSION['phpgw_info']['expressomail']['user']['owner'];

        if ($this->ds)
        {
            $justthese = array("gidNumber","cn");
            if ($params['type'] == 'search')
                $sr=ldap_search($this->ds, $user_context, ("(&(cn=*)(phpgwaccounttype=g)(!(phpgwaccountvisible=-1)))"),$justthese);
            else
                $sr=ldap_list($this->ds, $user_context, ("(&(cn=*)(phpgwaccounttype=g)(!(phpgwaccountvisible=-1)))"),$justthese);
            $info = ldap_get_entries($this->ds, $sr);
            for ($i=0; $i<$info["count"]; $i++)
                $groups[$uids=$info[$i]["gidnumber"][0]] = Array('name'    =>    $uids=$info[$i]["cn"][0], 'type'    =>    g);
            $justthese = array("phpgwaccountvisible","uidNumber","cn");
            if ($params['type'] == 'search')
                $sr=ldap_search($this->ds, $user_context, ("(&(cn=*)(phpgwaccounttype=u)(!(phpgwaccountvisible=-1)))"),$justthese);
            else
                $sr=ldap_list($this->ds, $user_context, ("(&(cn=*)(phpgwaccounttype=u)(!(phpgwaccountvisible=-1)))"),$justthese);

            $info = ldap_get_entries($this->ds, $sr);
            for ($i=0; $i<$info["count"]; $i++)
            {
                if ($info[$i]["phpgwaccountvisible"][0] == '-1')
                    continue;
                $users[$uids=$info[$i]["uidnumber"][0]] = Array('name'    =>    $uids=$info[$i]["cn"][0], 'type'    =>    u);
            }
        }
        ldap_close($this->ds);

        @asort($users);
        @reset($users);
        @asort($groups);
        @reset($groups);
        $user_options ='';
        $group_options ='';

        foreach($groups as $id => $user_array) {
                $newId = $id.'U';
                $group_options .= '<option  value="'.$newId.'">'.utf8_decode($user_array['name']).'</option>'."\n";
        }
        foreach($users as $id => $user_array) {
            if($owner != $id){
                $newId = $id.'U';
                $user_options .= '<option  value="'.$newId.'">'.utf8_decode($user_array['name']).'</option>'."\n";
            }
        }
        return array("users" => $user_options, "groups" => $group_options);
    }

	//Busca usuarios de um contexto e ja retorna as options do select;
	function get_available_users2($params)
	{
		$ldapService = ServiceLocator::getService('ldap'); 
		$ldapService->connect($_SESSION['phpgw_info']['expressomail']['server']['ldap_host'],
		$_SESSION['phpgw_info']['expressomail']['server']['ldap_root_dn'],
		$_SESSION['phpgw_info']['expressomail']['server']['ldap_root_pw']);
		
		$entries = $ldapService->accountSearch($params['sentence'], array('cn', 'uid'), $params['context'], 'u', 'cn');
		
		$options = array();
		
		foreach ($entries as $value) 
			$options[] = '"'.$value['uid'].'"'.':'.'"'.$value['cn'].'"';
		
		return "{".implode(',',$options)."}";		
	}

	function uid2cn($uid)
	{
		// do not follow the referral
		$this->ldapRootConnect(false);
		if ($this->ds)
		{
			$filter="(&(phpgwAccountType=u)(uid=$uid))";
			$justthese = array("cn");
			$sr=@ldap_search($this->ds, $this->ldap_context, $filter, $justthese);
			if(!$sr)
				return false;
			$info = ldap_get_entries($this->ds, $sr);
			return utf8_decode($info[0]["cn"][0]);
		}
		return false;
	}
	function uidnumber2uid($uidnumber)
	{
		// do not follow the referral
		$this->ldapRootConnect(false);
		if ($this->ds)
		{
			$filter="(&(phpgwAccountType=u)(uidnumber=$uidnumber))";
			$justthese = array("uid");
			$sr=@ldap_search($this->ds, $this->ldap_context, $filter, $justthese);
			if(!$sr)
				return false;
			$info = ldap_get_entries($this->ds, $sr);
			return $info[0]["uid"][0];
		}
		return false;
	}
	function getSharedUsersFrom($params){
		$filter = '';
		$i = 0;		
		//Added to save if must save sent messages in shared folder
		$acl_save_sent_in_shared = array();
		
		if($params['uids']) {
			$uids = explode(";",$params['uids']);
			$this->imap = new imap_functions();			
			foreach($uids as $index => $uid){
				$params = array();
				//Added to save if user has create permission 
				$acl_create_message = array();
				$acl = $this->imap->getacltouser($uid);
				if ( preg_match("/a/",$acl )){				
					$filter .= "(uid=$uid)";					
					if ( preg_match("/p/",$acl )){				
						$acl_save_sent_in_shared[ $i ] =$uid;
						$i++;
					}					
				}							
			}			
		}
		
		$this->ldapRootConnect(false);
		if ($this->ds) {
			$justthese = array("cn","mail","uid");
			if($filter) {
				$filter="(&(|(phpgwAccountType=u)(phpgwAccountType=s))(|$filter))";
				$sr		=	ldap_search($this->ds, $this->ldap_context, $filter, $justthese);
				ldap_sort($this->ds,$sr,"cn");
				$info 	= 	ldap_get_entries($this->ds, $sr);
				$var = print_r($acl_save_sent_in_shared, true);				
				for ($i = 0;$i < $info["count"]; $i++){
					$info[$i]['cn'][0] = utf8_decode($info[$i]['cn'][0]);
					//verify if user has permission to save sent messages in a shared folder
					if ( in_array( $info[$i]['uid'][0],$acl_save_sent_in_shared) ){						
						$info[$i]['save_shared'][0] = 'y';
					} else $info[$i]['save_shared'][0] = 'n';
				}
			}
		
			$info['myname'] = $_SESSION['phpgw_info']['expressomail']['user']['fullname'];

			//Find institucional_account.
			$filter="(&(phpgwAccountType=i)(mailForwardingAddress=".$_SESSION['phpgw_info']['expressomail']['user']['email']."))";
			$sr	= ldap_search($this->ds, $this->ldap_context, $filter, $justthese);
			##
			# @AUTHOR Rodrigo Souza dos Santos
			# @DATE 2008/09/17
			# @BRIEF Changing to ensure that the variable session is always with due value.
			##
			if(ldap_count_entries($this->ds,$sr))
			{
				ldap_sort($this->ds,$sr,"cn");
				$result = ldap_get_entries($this->ds, $sr);
				for ($j = 0;$j < $result["count"]; $j++){
					$info[$i]['cn'][0] = utf8_decode($result[$j]['cn'][0]);
					$info[$i]['mail'][0] = $result[$j]['mail'][0];
					$info[$i]['save_shared'][0] = 'n';
					$info[$i++]['uid'][0] = $result[$j]['uid'][0];					
				}
			}

			$_SESSION['phpgw_info']['expressomail']['user']['shared_mailboxes'] = $info;
			
			return $info;
		}
	}

	function getUserByEmail($params)
	{
		$expires = 60*60*24*30; /* 30 days */
		header("Cache-Control: maxage=".$expires);
		header("Pragma: public");
		header("Expires: ".gmdate('D, d M Y H:i:s', time()+$expires));	
		$filter="(&(phpgwAccountType=u)(mail=" . $params['email'] . "))";
		$ldap_context = $_SESSION['phpgw_info']['expressomail']['ldap_server']['dn'];
		if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['extended_info'])
		    $extendedinfo=true;
		else
		    $extendedinfo=false;

		if($extendedinfo)
		    $justthese = array("cn","uid","telephoneNumber","jpegPhoto","mobile","ou","employeeNumber");
		else
		    $justthese = array("cn","uid","telephoneNumber","jpegPhoto","mobile");

		// Follow the referral
		$ds = $this->ldapConnect2(true);
		if ($ds)
		{
			$sr=@ldap_search($ds, $ldap_context, $filter, $justthese);

			if (!$sr)
				return null;

			$entry = ldap_first_entry($ds, $sr);

			if($entry) {
				$obj =  array("cn" => utf8_decode(current(ldap_get_values($ds, $entry, "cn"))),
						  "email" => $params['email'],
						  "uid" => ldap_get_values($ds, $entry, "uid"),
						  "type" => "global",
						  "mobile" =>  @ldap_get_values($ds, $entry, "mobile"),
						  "telefone" =>  @ldap_get_values($ds, $entry, "telephonenumber"),
						  "ou" =>  @ldap_get_values($ds, $entry, "ou"),
						  "employeeNumber" =>  @ldap_get_values($ds, $entry, "employeeNumber")
					);

				$_SESSION['phpgw_info']['expressomail']['contact_photo'] = @ldap_get_values_len($ds, $entry, "jpegphoto");
				ldap_close($ds);
				return $obj;
			}
		}
		return null;
	}
	
	function uid2uidnumber($uid)
	{
		// do not follow the referral
		$this->ldapRootConnect(false);
		if ($this->ds)
		{
			$filter="(&(phpgwAccountType=u)(uid=$uid))";
			$justthese = array("uidnumber");
			$sr=@ldap_search($this->ds, $this->ldap_context, $filter, $justthese);
			if(!$sr)
				return false;
			$info = ldap_get_entries($this->ds, $sr);
			return $info[0]["uidnumber"][0];
		}
		return false;
	}
}
?>