<?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;
	function ldap_functions(){
	// todo: Page Configuration for External Catalogs.
		@include("../contactcenter/setup/external_catalogs.inc.php");
		$this->external_srcs= ( isset( $external_srcs ) ) ? $external_srcs : NULL;
		$this->max_result 	= 200;
		$this->functions = new functions();
	}
	// Using ContactCenter configuration.
	function ldapConnect($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;

//		$search_for	= utf8_encode($params['search_for']);
  //Testa se a busca foi realizada com aspas
		$search_for	= utf8_encode($params['search_for']);
                $search_len = (strlen($search_for)) - 1;
                $quote_status=false;

                if((($search_for{0}) == "\"") && (($search_for{$search_len}) == "\"")){
                    $search_for{0} = " ";
                    $search_for{$search_len} = " ";
                    $quote_status=true;
                }


		$field		= $params['field'];
		$ID			= $params['ID'];
		
		if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['extended_info'])
		    $extendedinfo=true;
		else
		    $extendedinfo=false;

		$search_for	= explode(" ",$search_for);
		$aux="";
		foreach ($search_for as $search)
		{
			if(!$aux)
			{
				$aux=$search;
			}
			else
			{
				if (strlen($search) > 2)
				{
					$aux=$aux."*".$search;
				}
				else
				{
					$aux=$aux." ".$search;
				}
			}
		}
		$search_for=$aux;
		
		$contacts_result = array();
		$contacts_result['field'] = $field;
		$contacts_result['ID'] = $ID;
		// follow the referral
		$this->ldapConnect(true);

		if ($this->ds)
		{
			if (($field != 'null') && ($ID != 'null'))
			{
				$filter="(& (&(|(phpgwAccountType=u)(phpgwAccountType=g)(phpgwAccountType=l))(mail=*)) (|(cn=*$search_for*)(mail=*$search_for*)) (!(phpgwaccountvisible=-1)) )";
				if($extendedinfo)
				$justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible", "uid", "employeeNumber", "ou");
				else
				    $justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible", "uid");
			}
			else
			{
				if($quote_status){
                                	$filter="(& (phpgwAccountType=u) (|(cn=* $search_for *)(cn=$search_for *)(cn=* $search_for)) (!(phpgwaccountvisible=-1)) )";
                            	}
                            	else{
					$filter="(& (phpgwAccountType=u)(cn=*$search_for*) (!(phpgwaccountvisible=-1)) )";
                            	}
			//	$filter="(& (phpgwAccountType=u)(cn=*$search_for*) (!(phpgwaccountvisible=-1)) )";
				if($extendedinfo)
				$justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible","jpegPhoto", "uid", "employeeNumber", "ou");
				else
				    $justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible","jpegPhoto", "uid");
			}
			$sr=@ldap_search($this->ds, $this->ldap_context, $filter, $justthese, 0, $this->max_result + 1);
			if(!$sr)
				return null;
			$count_entries = ldap_count_entries($this->ds,$sr);

			// Get user org dn.
			$user_dn = $_SESSION['phpgw_info']['expressomail']['user']['account_dn'];
			$user_sector_dn = ldap_explode_dn ( $user_dn, false );
			array_shift($user_sector_dn);
			array_shift($user_sector_dn);
			$user_sector_dn = implode(",", $user_sector_dn);

			// New search only on user sector
			if ($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['cloud_ldap'] || $count_entries > $this->max_result)
 			{
				// Close old ldap conection
				ldap_close($this->ds);

				// Reopen a local ldap connection, following referral
				$this->ldapRootConnect(true);

				$sr= ldap_search($this->ds, $user_sector_dn, $filter, $justthese);
				if(!$sr)
					return null;
				$count_entries = ldap_count_entries($this->ds,$sr);

				if ($count_entries > $this->max_result){
					$return = array();
					$return['status'] = false;
					$return['error'] = "many results";
					return $return;
				}
				elseif($count_entries < 1){
                                    $return = array();
                                    return $return;

                                }else
				{
                                        if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['cloud_ldap'])
                                            $quickSearch_cloud = true;
                                        else
                                            $quickSearch_only_in_userSector = true;
				}
			}

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

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

			if (!$quickSearch_only_in_userSector) {
				$catalogsNum=count($this->external_srcs);
				for ($i=0; $i<=count($this->external_srcs); $i++)	{
					if ($this->external_srcs[$i]["quicksearch"]) {
						$this->ldapConnect(true,$i);
						$filter="(|(cn=*$search_for*)(mail=*$search_for*))";
						if($extendedinfo)
						$justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible", "uid","employeeNumber", "ou");
						else
						    $justthese = array("cn", "mail", "telephoneNumber", "mobile", "phpgwAccountVisible", "uid");
						$sr=@ldap_search($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;
					}
				}
			}

			for ($i=0; $i<$info["count"]; $i++)
			{
				if ($quickSearch_only_in_userSector || $quickSearch_cloud)
				{
					$tmp[$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]] = utf8_decode($info[$i]["cn"][0]);
				}
				else
				{
					if (preg_match("/$user_sector_dn/i", $info[$i]['dn']))
					{
						$tmp_users_from_user_org[$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]] = utf8_decode($info[$i]["cn"][0]);
					}
					else
					{
						$tmp[$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]] = 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['quickSearch_cloud'] = $quickSearch_cloud;
			}
			else
			{
				$options_users_from_user_org = '';
				$options = '';

				/* List of users from user org */
				$i = 0;
				foreach ($tmp_users_from_user_org as $info => $cn)
				{
					$contacts_result[$i] = array();
					$options_users_from_user_org .= $this->make_quicksearch_card($info, $cn);
					$i++;
				}

				/* List of users from others org */
				foreach ($tmp as $info => $cn)
				{
					$contacts_result[$i] = array();
					$options .= $this->make_quicksearch_card($info, $cn);
					$i++;
				}

				if ($quickSearch_only_in_userSector)
				{
					if ($options != '')
					{
						$head_option =
							'<tr class="quicksearchcontacts_unselected">' .
								'<td colspan="2" width="100%" align="center">' .
									str_replace("%1", $this->max_result,$this->functions->getLang('More than %1 results were found')) . '.<br>' .
									$this->functions->getLang('Showing only the results found in your organization') . '.';
								'</td>' .
							'</tr>';
						$contacts_result = $head_option . $options_users_from_user_org . $options;
					}
					else
					{
						$return = array();
						$return['status'] = false;
						$return['error'] = "many results";
						return $return;
					}
				}
                                if ($quickSearch_cloud)
				{
						$head_option =
							'<tr class="quicksearchcontacts_unselected">' .
								'<td colspan="2" width="100%" align="center">' .
									$this->functions->getLang('Showing only the results found in your organization') . '.'.
                                                                        '<input id="QuickSearchUser_button_search" type="button" onclick="QuickSearchUser.close_window();openListUsers(\'1\');" value="busca avançada">'.
								'</td>' .
							'</tr>';


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

				}
				else
				{
					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>';
					}
					$contacts_result = $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;
                $params['organization']?$org = "ou=".$params['organization'].",":$org = "";
		$cat = $params['catalog'];
                // primeiro nível de ou
                $this->ldapConnect($referral,$cat);
                if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['cloud_ldap'] && $cat == 0)
                {
                    $fistOu = substr($_SESSION['phpgw_info']['expressomail']['user']['account_dn'],strripos($_SESSION['phpgw_info']['expressomail']['user']['account_dn'], "ou="));
                }
                else
                {
                    $fistOu = $this->ldap_context;
                }
                if($this->branch != '') {
                    $filter="(&(".$this->branch."=*)(!(phpgwAccountVisible=-1)))";
                    $justthese = array("$this->branch");
                    $sr = ldap_list($this->ds, $org.$fistOu, $filter, $justthese);
                    $info = ldap_get_entries($this->ds, $sr);
                    if($info["count"] == 0)
                    {
                        return null;
                    }
                    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)
        {
        	$this->ldapConnect(false,0);
	        //Monta lista de Grupos e Usuarios
	        $users = Array();
	        $groups = Array();
	        $user_context= $this->ldap_context;
	        $owner = $_SESSION['phpgw_info']['expressomail']['user']['owner'];
	        $filtro =utf8_encode($params['filter']);
	        $context =utf8_encode($params['context']);//adicionado

        	if ($this->ds)
	        {
	            $justthese = array("gidNumber","cn");
	            if ($params['type'] == 'search')
	                $sr=ldap_search($this->ds, $context, ("(&(phpgwaccounttype=g)(!(phpgwaccountvisible=-1))(cn=*$filtro*))"),$justthese);
	            else
	                $sr=ldap_list($this->ds,  $context ? $context : $user_context, ("(&(phpgwaccounttype=g)(!(phpgwaccountvisible=-1))(cn=*".$filtro."*))"),$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, $user_context, ("(&(phpgwaccounttype=u)(!(phpgwaccountvisible=-1))(phpgwaccountstatus=A)(|(cn=*$filtro*)(mail=$filtro*)))"),$justthese);
	               $sr=ldap_search($this->ds, $context, ("(&(phpgwaccounttype=u)(!(phpgwaccountvisible=-1))(phpgwaccountstatus=A)(|(cn=*$filtro*)(mail=$filtro*)))"),$justthese);
	            else
	                $sr=ldap_list($this->ds, $context ? $context : $user_context, ("(&(phpgwaccounttype=u)(!(phpgwaccountvisible=-1))(phpgwaccountstatus=A)(|(cn=*$filtro*)(mail=$filtro*)))"),$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);
        }

	function catalogsearch($params)
	{
		$cn	= $params['search_for'] ? "*".utf8_encode($params['search_for'])."*" : "*";
		$max_result	  = $params['max_result'] ? $params['max_result'] : $this->max_result;
		$catalog = $params['catalog'];
		$error = False;
		if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['extended_info'])
		    $extendedinfo=true;
		else
		    $extendedinfo=false;


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

                if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['cloud_ldap'] && $catalog == 0)
                    $fistOu = substr($_SESSION['phpgw_info']['expressomail']['user']['account_dn'],strripos($_SESSION['phpgw_info']['expressomail']['user']['account_dn'], "ou="));
                else
                    $fistOu = $this->ldap_context;
                
                if($params['organization_sub'] =="")
                    $params['organization_sub'] = "all";
                
		$params['organization'] == 'all' ? $user_context = $fistOu :$user_context = $this->branch."=".$params['organization'].",".$fistOu;
                $params['organization_sub'] == 'all' ? $user_context = $user_context :$user_context = $this->branch."=".$params['organization_sub'].",".$user_context;
		if ($this->ds) {
			if ($catalog == 0){
				//os atributos "employeeNumber" e "ou" foram adicionado ao vetor de busca;
				if($extendedinfo)
				$justthese = array("cn", "mail", "phpgwaccounttype", "phpgwAccountVisible", "employeeNumber", "ou");
				else
				    $justthese = array("cn", "mail", "phpgwaccounttype", "phpgwAccountVisible");

				$filter="(&(|(phpgwAccountType=u)(phpgwAccountType=l))(cn=".$cn."))";
				//$user_context = "ou=".$params['organization'].",".$this->ldap_context;
			}else {
				//os atributos "employeeNumber" e "ou" foram adicionado ao vetor de busca;
				if($extendedinfo)
				$justthese = array("cn", "mail", "employeeNumber", "ou");
				else
				    $justthese = array("cn", "mail");
				$filter="(&(objectClass=".$this->object_class.")(cn=".$cn."))";
				//$user_context = $this->branch."=".$params['organization'].",".$external_srcs[$catalog]['dn'];
			}

			$sr=@ldap_search($this->ds, $user_context, $filter, $justthese, 0, $max_result+1);
			if(!$sr)
				return null;
			$count_entries = ldap_count_entries($this->ds,$sr);
			if ($count_entries > $max_result){
				$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);
		}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)
	{
		$this->ldapRootConnect();

		$context= $params['context'];
		$justthese = array("cn", "uid", "cn");
		$filter = "(&(phpgwaccounttype=u)(!(phpgwaccountvisible=-1)))";

	    if ($this->ds)
	    {
			$sr=ldap_search($this->ds, $context, $filter, $justthese);
			$entries = ldap_get_entries($this->ds, $sr);

			for ($i=0; $i<$entries["count"]; $i++){
				if($_SESSION['phpgw_info']['expressomail']['user']['account_lid'] != $entries[$i]["uid"][0]){
					$u_tmp[$entries[$i]["uid"][0]] = $entries[$i]["cn"][0];
				}
			}

			natcasesort($u_tmp);

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

			if (count($u_tmp))
			{
				foreach ($u_tmp as $uidnumber => $cn)
				{
					$options .= "<option value=$uidnumber>$cn</option>";
				}
				unset($u_tmp);
			}

			ldap_close($this->ds);
    		return $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;
	}
}
?>