<?php

include_once("class.functions.inc.php");
include_once("class.ldap_functions.inc.php");
include_once("class.exporteml.inc.php");

class imap_functions
{
	var $public_functions = array
	(
		'get_range_msgs'				=> True,
		'get_info_msg'					=> True,
		'get_info_msgs'					=> True,
		'get_folders_list'				=> True,
		'import_msgs'					=> True,
		'msgs_to_archive'				=> True
	);

	var $ldap;
	var $mbox;
	var $imap_port;
	var $has_cid;
	var $imap_options = '';
	var $functions;
	var $prefs;
	var $foldersLimit;
	var $imap_sentfolder;

	function imap_functions (){
		$this->foldersLimit = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['imap_max_folders'] ?  $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['imap_max_folders'] : 20000; //Limit of folders (mailboxes) user can see
	 	$this->username 	  = $_SESSION['phpgw_info']['expressomail']['user']['userid'];
		$this->password 	  = $_SESSION['phpgw_info']['expressomail']['user']['passwd'];
		$this->imap_server	  = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
		$this->imap_port	  = $_SESSION['phpgw_info']['expressomail']['email_server']['imapPort'];
		$this->imap_delimiter = $_SESSION['phpgw_info']['expressomail']['email_server']['imapDelimiter'];
		$this->functions	  = new functions();
		$this->imap_sentfolder = $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultSentFolder']   ? $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultSentFolder']   : str_replace("*","", $this->functions->getLang("Sent"));
		$this->has_cid = false;
		$this->prefs = $_SESSION['phpgw_info']['user']['preferences']['expressoMail'];


		if ($_SESSION['phpgw_info']['expressomail']['email_server']['imapTLSEncryption'] == 'yes')
		{
			$this->imap_options = '/tls/novalidate-cert';
		}
		else
		{
			$this->imap_options = '/notls/novalidate-cert';
		}
	}
	// BEGIN of functions.
	function open_mbox($folder = False)
	{
		if (is_resource($this->mbox))
			return $this->mbox;
		$folder = mb_convert_encoding($folder, "UTF7-IMAP","ISO_8859-1");
	 	$this->mbox = @imap_open("{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$folder, $this->username, $this->password) or die(serialize(array('imap_error' => $this->parse_error(imap_last_error()))));
		return $this->mbox;
	 }

	function parse_error($error){
		// This error is returned from Imap.
		if(strstr($error,'Connection refused')) {
			return str_replace("%1", $this->functions->getLang("Mail"), $this->functions->getLang("Connection failed with %1 Server. Try later."));
		}
		// This error is returned from Postfix.
		elseif(strstr($error,'message file too big')) {
			return str_replace("%1",$_SESSION['phpgw_info']['user']['preferences']['expressoMail']['max_attachment_size'],$this->functions->getLang('The size of this message has exceeded  the limit (%1B).'));
		}
		elseif(strstr($error,'virus')) {
			return str_replace("%1", $this->functions->getLang("Mail"), $this->functions->getLang("Your message was rejected by antivirus. Perhaps your attachment has been infected."));
		}
		// This condition verifies if SESSION is expired.
		elseif(!count($_SESSION))
			return "nosession";

		return $error;
	}

	function get_range_msgs2($params)
	{
		// Free others requests 
                session_write_close(); 
		$folder = $params['folder'];
		$msg_range_begin = $params['msg_range_begin'];
		$msg_range_end = $params['msg_range_end'];
		$sort_box_type = $params['sort_box_type'];
		$sort_box_reverse = $params['sort_box_reverse'];
		$search_box_type = $params['search_box_type'] != "ALL" && $params['search_box_type'] != "" ? $params['search_box_type'] : false;
		$sort_array_msg = $this-> get_msgs($folder, $sort_box_type, $search_box_type, $sort_box_reverse,$msg_range_begin,$msg_range_end);

		$return = array();
		$i = 0;
		$num_msgs = imap_num_msg($this->mbox);
		if(is_array($sort_array_msg)){
			foreach($sort_array_msg as $msg_number => $value)
			{
				$temp = $this->get_info_head_msg($msg_number);
				$temp['msg_sample'] = $this->get_msg_sample($msg_number);
				if(!$temp)
				{
					return false;
				}

				$return[$i] = $temp;
				$i++;
			}
		}
		$return['num_msgs'] = $num_msgs;

		return $return;
	}

	function get_info_head_msg($msg_number) {
		$head_array = array();
		include_once("class.imap_attachment.inc.php");

		$imap_attachment = new imap_attachment();
		//if ($this->prefs['use_important_flag'] )
		//{
			/*Como eu preciso do atributo Importance para saber se o email é
			 * importante ou não, uso abaixo a função imap_fetchheader e busco
			 * o atributo importance nela. Isso faz com que eu acesse o cabeçalho
			 * duas vezes e de duas formas diferentes, mas em contrapartida, eu
			 * não preciso reimplementar o método utilizando o fetchheader.
			 * Como as mensagens são renderizadas em um número pequeno por vez,
			 * não parece ter perda considerável de performance.
			 */

			$tempHeader = imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number));
			$flag = preg_match('/importance *: *(.*)\r/i', $tempHeader, $importance);
                //}
                // Reimplementado código para identificação dos e-mails assinados e cifrados
                // no método getMessageType(). Mário César Kolling <mario.kolling@serpro.gov.br>
                $head_array['ContentType'] = $this->getMessageType($msg_number, $tempHeader);
                $head_array['Importance'] = $flag==0?"Normal":$importance[1];

		$header = $this->get_header($msg_number);
		if (!is_object($header))
			return false;
		$head_array['Recent'] = $header->Recent;
		$head_array['Unseen'] = $header->Unseen;
		if($header->Answered =='A' && $header->Draft == 'X'){
			$head_array['Forwarded'] = 'F';
		}
		else {
			$head_array['Answered']	= $header->Answered;
			$head_array['Draft']	= $header->Draft;
		}
		$head_array['Deleted'] = $header->Deleted;
		$head_array['Flagged'] = $header->Flagged;
		$head_array['msg_number'] = $msg_number;
		$head_array['udate'] = $header->udate;

		$from = $header->from;
		$head_array['from'] = array();
		$head_array['from']['name'] = ( isset( $from[0]->personal ) ) ? $this->decode_string($from[0]->personal) : NULL;
		$head_array['from']['email'] = $this->decode_string($from[0]->mailbox) . "@" . $from[0]->host;
		if(!$head_array['from']['name'])
			$head_array['from']['name'] = $head_array['from']['email'];
		$to = $header->to;
		$head_array['to'] = array();
		$tmp = ( isset( $to[0]->personal ) ) ? imap_mime_header_decode($to[0]->personal) : NULL;
		$head_array['to']['name'] = ( isset( $tmp[0]->text ) ) ? $this->decode_string($this->decode_string($tmp[0]->text)) : NULL;
		$head_array['to']['email'] = ( isset( $to[0]->mailbox ) ) ? ( $this->decode_string($to[0]->mailbox) . "@" . ( ( isset( $to[0]->host ) ) ? $to[0]->host : '' ) ) : NULL;
		if(!$head_array['to']['name'])
			$head_array['to']['name'] = $head_array['to']['email'];
		$head_array['subject'] = ( isset( $header->fetchsubject ) ) ? $this->decode_string($header->fetchsubject) : '';

		$head_array['Size'] = $header->Size;

		$head_array['attachment'] = array();
		$head_array['attachment'] = $imap_attachment->get_attachment_headerinfo($this->mbox, $msg_number);

		return $head_array;
	}

	function decode_string($string)
	{

		if ((strpos(strtolower($string), '=?iso-8859-1') !== false) || (strpos(strtolower($string), '=?windows-1252') !== false))
		{
			$return = '';
			$tmp = imap_mime_header_decode($string);
			foreach ($tmp as $tmp1)
				$return .= $this->htmlspecialchars_encode($tmp1->text);

			return $return;
		}
		else if (strpos(strtolower($string), '=?utf-8') !== false)
		{
			$elements = imap_mime_header_decode($string);

  			for($i = 0;$i < count($elements);$i++)
  			{
   				$charset = strtolower($elements[$i]->charset);
   				$text = $elements[$i]->text;

   				if(!strcasecmp($charset, "utf-8") || !strcasecmp($charset, "utf-7"))
   				{
       				$decoded .= $this->functions->utf8_to_ncr($text);
       			}
  				else
  				{
					if( strcasecmp($charset,"default") )
						$decoded .= $this->htmlspecialchars_encode(iconv($charset, "iso-8859-1", $text));
					else
						$decoded .= $this->htmlspecialchars_encode($text);
  				}
  			}
	  		return $decoded;
		}
		else
			return $this->htmlspecialchars_encode($string);
	}
	/**
	* Função que importa arquivos .eml exportados pelo expresso para a caixa do usuário. Testado apenas
	* com .emls gerados pelo expresso, e o arquivo pode ser um zip contendo vários emls ou um .eml.
	*/
	function import_msgs($params) {
		if(!$this->mbox)
			$this->mbox = $this->open_mbox();

 		if( preg_match('/local_/',$params["folder"]) )
		{
			// PLEASE, BE CAREFULL!!! YOU SHOULD USE EMAIL CONFIGURATION VALUES (EMAILADMIN MODULE)
			$tmp_box = mb_convert_encoding('INBOX'.$this->imap_delimiter.$_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultTrashFolder'].$this->imap_delimiter.'tmpMoveToLocal', "UTF7-IMAP", "UTF-8");
			if ( ! imap_createmailbox( $this -> mbox,"{".$this -> imap_server."}$tmp_box" ) )
				return $this->functions->getLang( 'Import to Local : fail...' );
			imap_reopen($this->mbox, "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$tmp_box);
			$params["folder"] = $tmp_box;
		}
		$errors = array();
		$invalid_format = false;
		$filename = $params['FILES'][0]['name'];
		$params["folder"] = mb_convert_encoding($params["folder"], "UTF7-IMAP","ISO_8859-1");
		$quota = imap_get_quotaroot($this->mbox, $params["folder"]);
		if((($quota['limit'] - $quota['usage'])*1024) <= $params['FILES'][0]['size']){
			return array( 'error' => $this->functions->getLang("fail in import:").
							" ".$this->functions->getLang("Over quota"));
		}
		if(substr($filename,strlen($filename)-4)==".zip") {
			$zip = zip_open($params['FILES'][0]['tmp_name']);

			if ($zip) {
				while ($zip_entry = zip_read($zip)) {

					if (zip_entry_open($zip, $zip_entry, "r")) {
						$email = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
						$status = @imap_append($this->mbox,
								"{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$params["folder"],
									$email
									);
						if(!$status)
							array_push($errors,zip_entry_name($zip_entry));
						zip_entry_close($zip_entry);
					}
				}
				zip_close($zip);
			}

			if ( isset( $tmp_box ) && ! sizeof( $errors ) )
			{

				$mc = imap_check($this->mbox);

				$result = imap_fetch_overview( $this -> mbox, "1:{$mc -> Nmsgs}", 0 );

				$ids = array( );
				foreach ($result as $overview)
					$ids[ ] = $overview -> uid;

				return implode( ',', $ids );
			}
			}
		else if(substr($filename,strlen($filename)-4)==".eml") {
			$email = implode("",file($params['FILES'][0]['tmp_name']));
			$status = @imap_append($this->mbox,
								"{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$params["folder"],
									$email
									);
			if(!$status){
				array_push($errors,zip_entry_name($zip_entry));
				zip_entry_close($zip_entry);
			}
		}
		else
		{
			if ( isset( $tmp_box ) )
				imap_deletemailbox( $this->mbox,"{".$this -> imap_server."}$tmp_box" );

			return array("error" => $this->functions->getLang("wrong file format"));
			$invalid_format = true;
		}

		if(!$invalid_format) {
			if(count($errors)>0) {
				$message = $this->functions->getLang("fail in import:")."\n";
				foreach($errors as $arquivo) {
					$message.=$arquivo."\n";
				}
				return array("error" => $message);
			}
			else
				return ("The import was executed successfully.");
		}
	}
        /*
		Remove os anexos de uma mensagem. A estratégia para isso é criar uma mensagem nova sem os anexos, mantendo apenas
		a primeira parte do e-mail, que é o texto, sem anexos.
		O método considera que o email é multpart.
	*/
	function remove_attachments($params) {
		include_once("class.message_components.inc.php");
		if(!$this->mbox || !is_resource($this->mbox))
			$this->mbox = $this->open_mbox($params["folder"]);
		$return["status"] = true;
		$header = "";

		$headertemp = explode("\n",imap_fetchheader($this->mbox, imap_msgno($this->mbox, $params["msg_num"])));
		foreach($headertemp as $head) {//Se eu colocar todo o header do email dá pau no append, então procuro apenas o que interessa.
			$head1 = explode(":",$head);
			if ( (strtoupper($head1[0]) == "TO") ||
				(strtoupper($head1[0]) == "FROM") ||
				(strtoupper($head1[0]) == "SUBJECT") ||
				(strtoupper($head1[0]) == "DATE") || 
				(strtoupper($head1[0]) == "CONTENT-TYPE")) { 

					if(strtoupper($head1[0]) == "CONTENT-TYPE"){ 
						$head = str_replace("multipart/mixed","text/html",$head);                        
					} 
					$header .= $head."\n"; 
				} 
		}

		$msg = &new message_components($this->mbox);
		$msg->fetch_structure($params["msg_num"]);/* O fetchbody tava trazendo o email com problemas na acentuação.
							     Então uso essa classe para verificar a codificação e o charset,
							     para que o método decodeBody do expresso possa trazer tudo certinho*/

		$status = imap_append($this->mbox,
				"{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$params["folder"],
					$header.
					"\r\n".
					str_replace("\n","\r\n",$this->decodeBody(
							imap_fetchbody($this->mbox,imap_msgno($this->mbox, $params["msg_num"]),"1"),
							$msg->encoding[$params["msg_num"]][0], $msg->charset[$params["msg_num"]][0]
							)
					), "\\Seen"); //Append do novo email, só com header e conteúdo sem anexos.

		if(!$status)
		{
			$return["status"] = false;
			$return["msg"] = lang("error appending mail on delete attachments");
		}
		else
		{
			$status = imap_status($this->mbox, "{".$this->imap_server.":".$this->imap_port."}".$params['folder'], SA_UIDNEXT);
			$return['msg_no'] = $status->uidnext - 1;
			imap_delete($this->mbox, imap_msgno($this->mbox, $params["msg_num"]));
			imap_expunge($this->mbox);
		}

		return $return;

	}
	
	function msgs_to_archive($params) {
		
		$folder = $params['folder'];
		$all_ids = $this-> get_msgs($folder, 'SORTARRIVAL', false, 0,-1,-1);

		$messages_not_to_copy = explode(",",$params['mails']);
		$ids = array();
		
		$cont = 0;
		
		foreach($all_ids as $each_id=>$value) {
			if(!in_array($each_id,$messages_not_to_copy)) {
				array_push($ids,$each_id);
				$cont++;
			}
			if($cont>=100)
				break;
		}

		if (empty($ids))
			return array();

		$params = array("folder"=>$folder,"msgs_number"=>implode(",",$ids));
		
		
		return $this->get_info_msgs($params);
		
		
	}

/**
	 *
	 * @return
	 * @param $params Object
	 */
	function get_info_msgs($params) {
		include_once("class.exporteml.inc.php");
		$return = array();
		$new_params = array();
		$attach_params = array();
		$new_params["msg_folder"]=$params["folder"];
		$attach_params["folder"] = $params["folder"];
		$msgs = explode(",",$params["msgs_number"]);
		$exporteml = new ExportEml();
		$unseen_msgs = array();
		foreach($msgs as $msg_number) {
			$new_params["msg_number"] = $msg_number;
			//ini_set("display_errors","1");
			$msg_info = $this->get_info_msg($new_params);

			$this->mbox = $this->open_mbox($params['folder']); //Não sei porque, mas se não abrir de novo a caixa dá erro.
			$msg_info['header'] = $this->get_info_head_msg($msg_number);

			$attach_params["num_msg"] = $msg_number;
			$msg_info['array_attach'] = $exporteml->get_attachments_in_array($attach_params);
			$msg_info['url_export_file'] = $exporteml->export_to_archive($msg_number,$params["folder"]);
			imap_close($this->mbox);
			$this->mbox=false;
			array_push($return,serialize($msg_info));

			if($msg_info['Unseen'] == "U" || $msg_info['Recent'] == "N"){
					array_push($unseen_msgs,$msg_number);
			}
		}
		if($unseen_msgs){
			$msgs_list = implode(",",$unseen_msgs);
			$array_msgs = array('folder' => $new_params["msg_folder"], "msgs_to_set" => $msgs_list, "flag" => "unseen");
			$this->set_messages_flag($array_msgs);
		}

		return $return;
	}

	function get_info_msg($params)
	{
		$return = array();
		$msg_number = $params['msg_number'];
		if(preg_match('(.+)(_[a-zA-Z0-9]+)',$msg_number,$matches)) { //Verifies if it comes from a tab diferent of the main one.
			$msg_number = $matches[1];
			$plus_id = $matches[2];
		}
		else {
			$plus_id = '';
		}
		$msg_folder = urldecode($params['msg_folder']);

		if(!$this->mbox || !is_resource($this->mbox))
			$this->mbox = $this->open_mbox($msg_folder);

		$header = $this->get_header($msg_number);
		if (!$header) {
			$return['status_get_msg_info'] = "false";
			return $return;
		}

		$header_ = imap_fetchheader($this->mbox, $msg_number, FT_UID);

		$return_get_body = $this->get_body_msg($msg_number, $msg_folder);
		
		$body = $return_get_body['body'];

		if($return_get_body['body']=='isCripted'){
			$exporteml = new ExportEml();
			$return['source']=$exporteml->export_msg_data($msg_number,$msg_folder);
			$return['body'] 		= "";
			$return['attachments'] 	=  "";
			$return['thumbs'] 		=  "";
			$return['signature']	=  "";
			//return $return;
		}else{
            $return['body'] 		= $body;
            $return['attachments'] 	= $return_get_body['attachments'];
            $return['thumbs'] 		= $return_get_body['thumbs'];
            $return['signature']	= $return_get_body['signature'];
		}

		$pattern = '/^[ \t]*Disposition-Notification-To:[ ]*<?[[:alnum:]\._-]+@[[:alnum:]_-]+[\.[:alnum:]]+>?/sm';
		if (preg_match($pattern, $header_, $fields))
		{
			if(preg_match('/[[:alnum:]\._\-]+@[[:alnum:]_\-\.]+/',$fields[0], $matches)){ 
				$return['DispositionNotificationTo'] = "<".$matches[0].">"; 
			} 
		}

		$return['Recent']	= $header->Recent;
		$return['Unseen']	= $header->Unseen;
		$return['Deleted']	= $header->Deleted;
		$return['Flagged']	= $header->Flagged;

		if($header->Answered =='A' && $header->Draft == 'X'){
			$return['Forwarded'] = 'F';
		}

		else {
			$return['Answered']	= $header->Answered;
			$return['Draft']	= $header->Draft;
		}

		$return['msg_number'] = $msg_number.$plus_id;
		$return['msg_folder'] = $msg_folder;

		$date_msg = gmdate("d/m/Y",$header->udate);
		if (date("d/m/Y") == $date_msg)
			$return['udate'] = gmdate("H:i",$header->udate);
		else
			$return['udate'] = $date_msg;

		$return['msg_day'] = $date_msg;
		$return['msg_hour'] = gmdate("H:i",$header->udate);

		if (date("d/m/Y") == $date_msg) //no dia
		{
			$return['fulldate'] = gmdate("d/m/Y H:i",$header->udate);
			$return['smalldate'] = gmdate("H:i",$header->udate);

			$timestamp_now = strtotime("now");
			$timestamp_msg_time = $header->udate;
			// $timestamp_now is GMT and $timestamp_msg_time is MailDate TZ.
			// The variable $timestamp_diff is calculated without MailDate TZ.
			$pdate = date_parse($header->MailDate);
			$timestamp_diff = $timestamp_now - $timestamp_msg_time  + ($pdate['zone']*(-60));

			if (gmdate("H",$timestamp_diff) > 0)
			{
				$return['fulldate'] .= " (" . gmdate("H:i", $timestamp_diff) . ' ' . $this->functions->getLang('hours ago') . ')';
			}
			else
			{
				if (gmdate("i",$timestamp_diff) == 0){
					$return['fulldate'] .= ' ('. $this->functions->getLang('now').')';
				}
				elseif (gmdate("i",$timestamp_diff) == 1){
					$return['fulldate'] .= ' (1 '. $this->functions->getLang('minute ago').')';
				}
				else{
					$return['fulldate'] .= " (" . gmdate("i",$timestamp_diff) .' '. $this->functions->getLang('minutes ago') . ')';
				}
			}
		}
		else{
			$return['fulldate'] = gmdate("d/m/Y H:i",$header->udate);
			$return['smalldate'] = gmdate("d/m/Y",$header->udate);
		}

		$from = $header->from;
		$return['from'] = array();
		$return['from']['name'] = $this->decode_string($from[0]->personal);
		$return['from']['email'] = $this->decode_string($from[0]->mailbox . "@" . $from[0]->host);
		if ($return['from']['name'])
		{
			if (substr($return['from']['name'], 0, 1) == '"')
				$return['from']['full'] = $return['from']['name'] . ' ' . '&lt;' . $return['from']['email'] . '&gt;';
			else
				$return['from']['full'] = '"' . $return['from']['name'] . '" ' . '&lt;' . $return['from']['email'] . '&gt;';
		}
		else
			$return['from']['full'] = $return['from']['email'];

		// Sender attribute
		$sender = $header->sender;
		$return['sender'] = array();
		$return['sender']['name'] = $this->decode_string($sender[0]->personal);
		$return['sender']['email'] = $this->decode_string($sender[0]->mailbox . "@" . $sender[0]->host);
		if ($return['sender']['name'])
		{
			if (substr($return['sender']['name'], 0, 1) == '"')
				$return['sender']['full'] = $return['sender']['name'] . ' ' . '&lt;' . $return['sender']['email'] . '&gt;';
			else
				$return['sender']['full'] = '"' . $return['sender']['name'] . '" ' . '&lt;' . $return['sender']['email'] . '&gt;';
		}
		else
			$return['sender']['full'] = $return['sender']['email'];

		if($return['from']['full'] == $return['sender']['full'])
			$return['sender'] = null;
		$to = $header->to;
		$return['toaddress2'] = "";
		if (!empty($to))
		{
			foreach ($to as $tmp)
			{
				if (!empty($tmp->personal))
				{
					$personal_tmp = imap_mime_header_decode($tmp->personal);
					$return['toaddress2'] .= '"' . $personal_tmp[0]->text . '"';
					$return['toaddress2'] .= " ";
					$return['toaddress2'] .= "&lt;";
					if ($tmp->host != 'unspecified-domain')
						$return['toaddress2'] .= $tmp->mailbox . "@" . $tmp->host;
					else
						$return['toaddress2'] .= $tmp->mailbox;
					$return['toaddress2'] .= "&gt;";
					$return['toaddress2'] .= ", ";
				}
				else
				{
					if ($tmp->host != 'unspecified-domain')
						$return['toaddress2'] .= $tmp->mailbox . "@" . $tmp->host;
					else
						$return['toaddress2'] .= $tmp->mailbox;
					$return['toaddress2'] .= ", ";
				}
			}
			$return['toaddress2'] = $this->del_last_two_caracters($return['toaddress2']);
		}
		else
		{
			$return['toaddress2'] = "&lt;Empty&gt;";
		}

		$cc = $header->cc;
		$return['cc'] = "";
		if (!empty($cc))
		{
			foreach ($cc as $tmp_cc)
			{
				if (!empty($tmp_cc->personal))
				{
					$personal_tmp_cc = imap_mime_header_decode($tmp_cc->personal);
					$return['cc'] .= '"' . $personal_tmp_cc[0]->text . '"';
					$return['cc'] .= " ";
					$return['cc'] .= "&lt;";
					$return['cc'] .= $tmp_cc->mailbox . "@" . $tmp_cc->host;
					$return['cc'] .= "&gt;";
					$return['cc'] .= ", ";
				}
				else
				{
					$return['cc'] .= $tmp_cc->mailbox . "@" . $tmp_cc->host;
					$return['cc'] .= ", ";
				}
			}
			$return['cc'] = $this->del_last_two_caracters($return['cc']);
		}
		else
		{
			$return['cc'] = "";
		}

		##
		# @AUTHOR Rodrigo Souza dos Santos
		# @DATE 2008/09/12
		# @BRIEF Adding the BCC field.
		##
		$bcc = $header->bcc;
		$return['bcc'] = "";
		if (!empty($bcc))
		{
			foreach ($bcc as $tmp_bcc)
			{
				if (!empty($tmp_bcc->personal))
				{
					$personal_tmp_bcc = imap_mime_header_decode($tmp_bcc->personal);
					$return['bcc'] .= '"' . $personal_tmp_bcc[0]->text . '"';
					$return['bcc'] .= " ";
					$return['bcc'] .= "&lt;";
					$return['bcc'] .= $tmp_bcc->mailbox . "@" . $tmp_bcc->host;
					$return['bcc'] .= "&gt;";
					$return['bcc'] .= ", ";
				}
				else
				{
					$return['bcc'] .= $tmp_bcc->mailbox . "@" . $tmp_bcc->host;
					$return['bcc'] .= ", ";
				}
			}
			$return['bcc'] = $this->del_last_two_caracters($return['bcc']);
		}
		else
		{
			$return['bcc'] = "";
		}

		$reply_to = $header->reply_to;
		$return['reply_to'] = "";
		if (is_object($reply_to[0]))
		{
			if ($return['from']['email'] != ($reply_to[0]->mailbox."@".$reply_to[0]->host))
			{
				if (!empty($reply_to[0]->personal))
				{
					$personal_reply_to = imap_mime_header_decode($tmp_reply_to->personal);
					if(!empty($personal_reply_to[0]->text)) {
						$return['reply_to'] .= '"' . $personal_reply_to[0]->text . '"';
						$return['reply_to'] .= " ";
						$return['reply_to'] .= "&lt;";
						$return['reply_to'] .= $reply_to[0]->mailbox . "@" . $reply_to[0]->host;
						$return['reply_to'] .= "&gt;";
					}
					else {
						$return['reply_to'] .= $reply_to[0]->mailbox . "@" . $reply_to[0]->host;
					}
				}
				else
				{
					$return['reply_to'] .= $reply_to[0]->mailbox . "@" . $reply_to[0]->host;
				}
			}
		}
		$return['reply_to'] = $this->decode_string($return['reply_to']);
		$return['subject'] = $this->decode_string($header->fetchsubject);
		$return['Size'] = $header->Size;
		$return['reply_toaddress'] = $header->reply_toaddress;

		//All this is to help in local messages
		$return['timestamp'] = $header->udate;
		$return['login'] = $_SESSION['phpgw_info']['expressomail']['user']['account_id'];//$GLOBALS['phpgw_info']['user']['account_id'];
		$return['reply_toaddress'] = $header->reply_toaddress;
		return $return;
	}

	function get_msg_sample($msg_number)
	{

		$return = ""; 
		if( (!isset($this->prefs['preview_msg_subject']) || ($this->prefs['preview_msg_subject'] != "1")) &&  
			(!isset($this->prefs['preview_msg_tip']    ) || ($this->prefs['preview_msg_tip']     != "1")) ) 
		{ 
			$return['body'] = ""; 
			return $return; 
		} 

		include_once("class.message_components.inc.php");
		$msg = &new message_components($this->mbox);
		$msg->fetch_structure($msg_number);  

		if(!$msg->structure[$msg_number]->parts)
		{
			$content = '';
			if (strtolower($msg->structure[$msg_number]->subtype) == "plain" || strtolower($msg->structure[$msg_number]->subtype) == "html")
			{
				$content = $this->decodeBody(imap_body($this->mbox, $msg_number, FT_UID|FT_PEEK), $msg->encoding[$msg_number][0], $msg->charset[$msg_number][0]);
			}
		}
		else
		{
			foreach($msg->pid[$msg_number] as $values => $msg_part)
			{

				$file_type = strtolower($msg->file_type[$msg_number][$values]);
				if($file_type == "text/plain" || $file_type == "text/html") {
					$content = $this->decodeBody(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID|FT_PEEK), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values]);
					break;
				}
			}
		}
		$content = $this->replace_special_characters($content);
		$tags_replace = array("<br>","<br/>","<br />");
		$content = str_replace($tags_replace," ", $content);
		$content = strip_tags($content);
		$content = str_replace(array("{","}","&nbsp;"), " ", $content);
		$content = trim($content);
		$content = html_entity_decode(substr($content,0,300));
		$content != "" ? $return['body'] = " - " . $content: $return['body'] = "";
		return $return;
	}

	function get_body_msg($msg_number, $msg_folder)
	{
		include_once("class.message_components.inc.php");
		$msg = &new message_components($this->mbox);
		$msg->fetch_structure($msg_number);
		$return = array();
		$return['attachments'] = $this-> download_attachment($msg,$msg_number);
		if(!$this->has_cid)
		{
			$return['thumbs']  = $this->get_thumbs($msg,$msg_number,urlencode($msg_folder));
			$return['signature'] = $this->get_signature($msg,$msg_number,$msg_folder);
		}

		if(!$msg->structure[$msg_number]->parts) //Simple message, only 1 piece
		{
			if(strtolower($msg->structure[$msg_number]->subtype) == 'x-pkcs7-mime'){
				$return['body']='isCripted';
				return $return;
			}

			$attachment = array(); //No attachments

			if(strtolower($msg->structure[$msg_number]->subtype) == 'x-pkcs7-mime'){
				$return['body']='isCripted';
				return $return;
			}

			$content = ''; 
			// If simple message is subtype 'html' or 'plain', then get content body. 
			if(strtolower($msg->structure[$msg_number]->subtype) == "html" ||  
				strtolower( $msg -> structure[ $msg_number ] -> subtype ) == 'plain'){ 

					$content = $this->decodeBody( 
						imap_body( $this -> mbox, $msg_number, FT_UID ), 
						$msg -> encoding[ $msg_number ][ 0 ], 
						$msg -> charset[ $msg_number ][ 0 ] 
					); 

					if ( strtolower( $msg -> structure[ $msg_number ] -> subtype ) == 'plain' ) 
					{ 
						$content = str_replace( array( '<', '>' ), array( ' #$<$# ', ' #$>$# ' ), $content ); 
						$content = htmlentities( $content ); 
						$content = $this -> replace_links( $content ); 
						$content = str_replace( array( ' #$&lt;$# ', ' #$&gt;$# ' ), array( '&lt;', '&gt;' ), $content ); 
						$content = '<pre>' . $content . '</pre>'; 

						$return[ 'body' ] = $content; 

						return $return; 
					} 
				}
		}
		else
		{ //Complicated message, multiple parts
			$html_body = '';
			$content = '';
			$has_multipart = true;
			$this->has_cid = false;

			if (strtolower($msg->structure[$msg_number]->subtype) == "related")
				$this->has_cid = true;

			if (strtolower($msg->structure[$msg_number]->subtype) == "alternative") {
				$show_only_html = false;
				foreach($msg->pid[$msg_number] as $values => $msg_part) {
					$file_type = strtolower($msg->file_type[$msg_number][$values]);
					if($file_type == "text/html")
						$show_only_html = true;
				}
			}
			else
				$show_only_html = false;

			foreach($msg->pid[$msg_number] as $values => $msg_part)
			{

				$file_type = strtolower($msg->file_type[$msg_number][$values]);
				if($file_type == "message/rfc822" || $file_type == "multipart/alternative") 
				{ 
					// Show only 'text/html' part, when message/rfc822 format contains 'text/plain' alternative part. 
					if(array_key_exists($values+1, $msg->file_type[$msg_number]) && 
						strtolower($msg->file_type[$msg_number][$values+1]) == 'text/plain' && 
						array_key_exists($values+2, $msg->file_type[$msg_number]) && 
						strtolower($msg->file_type[$msg_number][$values+2]) == 'text/html') { 
							$has_multipart = false; 
						} 
				} 	

				if(($file_type == "text/plain"
					|| $file_type == "text/html")
						&& $file_type != 'attachment')
				{
					if($file_type == "text/plain" && !$show_only_html && $has_multipart)
					{
						// if TXT file size > 100kb, then it will not expand.
						if(!($file_type == "text/plain" && $msg->fsize[$msg_number][$values] > 102400)) {
							 $content .= htmlentities($this->decodeBody(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values])); 
	                         $content = '<pre>' . $content . '</pre>';    
						}
					}
					// if HTML attachment file size > 300kb, then it will not expand.
					else if($file_type == "text/html"  && $msg->fsize[$msg_number][$values] < 307200)
					{
						$content .= $this->decodeBody(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values]);
						$show_only_html = true;
					}
				}
				 else if($file_type == "message/delivery-status" || $file_type == "message/feedback-report"){ 
					$content .= "<hr align='left' width='95%' style='border:1px solid #DCDCDC'>";
					$content .= $this->decodeBody(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values]); 
                    $content = '<pre>' . $content . '</pre>'; 
				}
				else if($file_type == "message/rfc822" || $file_type == "text/rfc822-headers"){

					include_once("class.imap_attachment.inc.php");
					$att = new imap_attachment();
					$attachments =  $att -> get_attachment_info($this->mbox,$msg_number);
					if($attachments['number_attachments'] > 0) { 
						foreach($attachments ['attachment'] as $index => $attachment) 
						{ 
							if ( in_array( strtolower( $attachment[ 'type' ] ), array( 'delivery-status', 'rfc822', 'rfc822-headers', 'plain' ) ) ) 
							{ 
								$obj = imap_rfc822_parse_headers( imap_fetchbody( $this -> mbox, $msg_number, $msg_part, FT_UID ), $msg -> encoding[ $msg_number ][ $values ] ); 

								$content .= '<hr align="left" width="95%" style="border:1px solid #DCDCDC">'; 
								$content .= '<br><table  style="margin:2px;border:1px solid black;background:#EAEAEA">'; 

								$content .= '<tr><td><b>' . $this->functions->getLang("Subject") 
									. ':</b></td><td>' .$this->decode_string($obj->subject) . '</td></tr>'; 

								$content .= '<tr><td><b>' . $this -> functions -> getLang( 'From' ) . ':</b></td><td>' 
									. $this -> replace_links( $this -> decode_string( $obj -> from[ 0 ] -> mailbox . '@' . $obj -> from[ 0 ] -> host) ) 
									. '</td></tr>'; 

								$content .= '<tr><td><b>' . $this->functions->getLang("Date") . ':</b></td><td>' . $obj->date . '</td></tr>'; 

								$content .= '<tr><td><b>' . $this -> functions -> getLang( 'TO' ) . ':</b></td><td>' 
									. $this -> replace_links( $this -> decode_string( $obj -> to[ 0 ] -> mailbox . '@' . $obj -> to[ 0 ] -> host ) ) 
									. '</td></tr>'; 

								if ( $obj->cc ) 
									$content .= '<tr><td><b>' . $this -> functions -> getLang( 'CC' ) . ':</b></td><td>' 
										. $this -> replace_links( $this -> decode_string( $obj -> cc[ 0 ] -> mailbox . '@' . $obj -> cc[ 0 ] -> host ) ) 
										. '</td></tr>'; 

								$content .= '</table><br>'; 


								$id = ( ( strtolower( $attachment[ 'type' ] ) == 'delivery-status' ) ? false : true ); 
								if ( strtolower( $msg->structure[$msg_number]->parts[1]->parts[0]->subtype ) == 'plain' ) 
								{ 
									$id = !$id; 
									if ( $msg->structure[$msg_number]->parts[1]->parts[0]->encoding == 4 ) 
										$msg->encoding[ $msg_number ][ $values ] = 'quoted-printable'; 
								} 

								$body = $this->decodeBody( 
									imap_fetchbody( 
										$this->mbox, 
										$msg_number, 
										( $attachment['part_in_msg'] + ( ( int ) $id ) ) . ".1", 
										FT_UID 
									), 
									$msg->encoding[ $msg_number ][ $values ], 
									$msg->charset[ $msg_number ][ $values ] 
								); 

								if ( strtolower( $msg->structure[$msg_number]->parts[1]->parts[0]->subtype ) == 'plain' ) 
								{ 
									$body = str_replace( array( '<', '>' ), array( ' #$<$# ', ' #$>$# ' ), $body ); 
									$body = htmlentities( $body ); 
									$body = $this -> replace_links( $body ); 
									$body = str_replace( array( ' #$&lt;$# ', ' #$&gt;$# ' ), array( '&lt;', '&gt;' ), $body ); 
									$body = '<pre>' . $body . '</pre>'; 
								} 

								$content .= $body; 
								break; 
							}
						}
					}
				}
			}
			if($file_type == "text/plain" && ($show_only_html &&  $msg_part == 1) ||  (!$show_only_html &&  $msg_part == 3)){
				if(strtolower($msg->structure[$msg_number]->subtype) == "mixed" &&  $msg_part == 1)
					$content .= nl2br(imap_base64(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID)));
				else if(!strtolower($msg->structure[$msg_number]->subtype) == "mixed")
					$content .= nl2br(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID));
			}
		}
		// Force message with flag Seen (imap_fetchbody not works correctly)
		$params = array('folder' => $msg_folder, "msgs_to_set" => $msg_number, "flag" => "seen");
		$this->set_messages_flag($params);
		$content = $this->process_embedded_images($msg,$msg_number,$content, $msg_folder);
		$content = $this->replace_special_characters($content);
		$return['body'] = $content;
		return $return;
	}

	function htmlfilter($body)
	{
		require_once('htmlfilter.inc');

		$tag_list = Array(
				false,
				'blink',
				'object',
				'meta',
				'html',
				'link',
				'frame',
				'iframe',
				'layer',
				'ilayer',
				'plaintext'
		);

		/**
		* A very exclusive set:
		*/
		// $tag_list = Array(true, "b", "a", "i", "img", "strong", "em", "p");
		$rm_tags_with_content = Array(
				'script',
				'style',
				'applet',
				'embed',
				'head',
				'frameset',
				'xml',
				'xmp'
		);

		$self_closing_tags =  Array(
				'img',
				'br',
				'hr',
				'input'
		);

		$force_tag_closing = true;

		$rm_attnames = Array(
    			'/.*/' =>
				Array(
					'/target/i',
					//'/^on.*/i', -> onClick, dos compromissos da agenda.
					'/^dynsrc/i',
					'/^datasrc/i',
					'/^data.*/i',
					'/^lowsrc/i'
				)
		);

		/**
		 * Yeah-yeah, so this looks horrible. Check out htmlfilter.inc for
		 * some idea of what's going on here. :)
		 */

		$bad_attvals = Array(
    		'/.*/' =>
	    	Array(
	    	      '/.*/' =>
		    	      Array(
	    	    	        Array(
            	    	          '/^([\'\"])\s*\S+\s*script\s*:*(.*)([\'\"])/si',
                		          //'/^([\'\"])\s*https*\s*:(.*)([\'\"])/si', -> doclinks notes
                        		  '/^([\'\"])\s*mocha\s*:*(.*)([\'\"])/si',
	                        	  '/^([\'\"])\s*about\s*:(.*)([\'\"])/si'
	    	                      ),
    	    	            Array(
        		   	              '\\1oddjob:\\2\\1',
                		          //'\\1uucp:\\2\\1', -> doclinks notes
                    		      '\\1amaretto:\\2\\1',
                        		  '\\1round:\\2\\1'
                          		)
		                    ),

		          '/^style/i' =>
    		              Array(
        		                Array(
            		                  '/expression/i',
                		              '/behaviou*r/i',
                    		          '/binding/i',
                        		      '/include-source/i',
                            		  '/url\s*\(\s*([\'\"]*)\s*https*:.*([\'\"]*)\s*\)/si',
		                              '/url\s*\(\s*([\'\"]*)\s*\S+\s*script:.*([\'\"]*)\s*\)/si'
    		                         ),
        		                Array(
            		                  'idiocy',
                		              'idiocy',
                    		          'idiocy',
                        		      'idiocy',
                            		  'url(\\1http://securityfocus.com/\\1)',
	                            	  'url(\\1http://securityfocus.com/\\1)'
	    	                         )
    	    	                )
        	    	  )
		    );

		$add_attr_to_tag = Array(
				'/^a$/i' => Array('target' => '"_new"')
		);


		$trusted_body = sanitize($body,
				$tag_list,
				$rm_tags_with_content,
				$self_closing_tags,
				$force_tag_closing,
				$rm_attnames,
				$bad_attvals,
				$add_attr_to_tag
		);

	    return $trusted_body;
	}

	function decodeBody($body, $encoding, $charset=null)
	{
		/**
		* replace e-mail by anchor.
		*/
		// HTML Filter
		//$body = preg_replace("#(^|[\n ])([a-z0-9&\-_.]+?)@([\w\-]+\.([\w\-\.]+\.)*[\w]+)#i", "\\1<a href=# onclick=\"javascript:new_message('new_by_message', '\\2@\\3')\">\\2@\\3</a>", $body);
    	//$body = str_replace("\r\n", "\n", $body);
		if ($encoding == 'quoted-printable')
		{
			/*

			for($i=0;$i<256;$i++) {
				$c1=dechex($i);
				if(strlen($c1)==1){$c1="0".$c1;}
				$c1="=".$c1;
				$myqprinta[]=$c1;
				$myqprintb[]=chr($i);
			}
			 */
			$body = str_replace($myqprinta,$myqprintb,($body));
			$body = quoted_printable_decode($body);
        	while (ereg("=\n", $body))
        	{
           		$body = ereg_replace ("=\n", '', $body);
        	}
    	}
    	else if ($encoding == 'base64')
    	{
        	$body = base64_decode($body);
    	}

		// All other encodings are returned raw.
		if (strtolower($charset) == "utf-8")
			return utf8_decode($body);
    	else
			return $body;
	}

	function process_embedded_images($msg, $msgno, $body, $msg_folder)
	{
		if (count($msg->inline_id[$msgno]) > 0)
		{
			foreach ($msg->inline_id[$msgno] as $index => $cid)
			{
				$cid = eregi_replace("<", "", $cid);
				$cid = eregi_replace(">", "", $cid);
				$msg_part = $msg->pid[$msgno][$index];
				//$body = eregi_replace("alt=\"\"", "", $body);
				$body = eregi_replace("<br/>", "", $body);
				$body = str_replace("src=\"cid:".$cid."\"", " src=\"./inc/show_embedded_attach.php?msg_folder=$msg_folder&msg_num=$msgno&msg_part=$msg_part\" ", $body);
				$body = str_replace("src='cid:".$cid."'", " src=\"./inc/show_embedded_attach.php?msg_folder=$msg_folder&msg_num=$msgno&msg_part=$msg_part\" ", $body);
				$body = str_replace("src=cid:".$cid, " src=\"./inc/show_embedded_attach.php?msg_folder=$msg_folder&msg_num=$msgno&msg_part=$msg_part\" ", $body);
			}
		}

		return $body;
	}

	function replace_special_characters($body)
	{
		// Suspected TAGS!
		/*$tag_list = Array(
			'blink','object','meta',
			'html','link','frame',
			'iframe','layer','ilayer',
			'plaintext','script','style','img',
			'applet','embed','head',
			'frameset','xml','xmp');
		*/

		// Layout problem: Change html elements
		// with absolute position to relate position, CASE INSENSITIVE.
		$body = @mb_eregi_replace("POSITION: ABSOLUTE;","",$body);

		$tag_list = Array('head','blink','object','frame',
			'iframe','layer','ilayer','plaintext','script',
			'applet','embed','frameset','xml','xmp','style');

		$blocked_tags = array();
		foreach($tag_list as $index => $tag) {
			$new_body = @mb_eregi_replace("<$tag", "<!--$tag", $body);
			if($body != $new_body) {
				$blocked_tags[] = $tag;
			}
			$body = @mb_eregi_replace("</$tag>", "</$tag-->", $new_body);
		}
		// Malicious Code Remove
		$dirtyCodePattern = "/(<([\w]+[\w0-9]*)(.*)on(mouse(move|over|down|up)|load|blur|change|error|click|dblclick|focus|key(down|up|press)|select)([\n\ ]*)=([\n\ ]*)[\"'][^>\"']*[\"']([^>]*)>)(.*)(<\/\\2>)?/misU";
		preg_match_all($dirtyCodePattern,$body,$rest,PREG_PATTERN_ORDER);
		foreach($rest[0] as $i => $val)
			if (!(preg_match("/javascript:window\.open\(\"([^'\"]*)\/index\.php\?menuaction=calendar\.uicalendar\.set_action\&cal_id=([^;'\"]+);?['\"]/i",$rest[1][$i]) && strtoupper($rest[4][$i]) == "CLICK" )) //Calendar events
				$body = str_replace($rest[1][$i],"<".$rest[2][$i].$rest[3][$i].$rest[7][$i].">",$body);

		$body = $this-> replace_links($body);

		//Remoção de tags <span></span> para correção de erro no firefox 
		$body = mb_eregi_replace("<span><span>","",$body); 
		$body = mb_eregi_replace("</span></span>","",$body); 
		//Correção para compatibilização com Outlook, ao visualizar a mensagem 
		$body = mb_ereg_replace('<!--\[','<!-- [',$body); 
		$body = mb_ereg_replace('&lt;!\[endif\]--&gt;', '<![endif]-->', $body);
		$body = str_replace("\x00", '', $body);
 		                         
		return  "<span>".$body;	
	}

	function replace_links( $body )
	{
  		// Domains and IPs addresses found in the text and which is not a link yet should be replaced by one. 
		// See more informations in www.iana.org 
		$octets = array( 
			'first' => '(2[0-3][0-9]|1[0-9]{2}|[1-9][0-9]?)', 
			'middle' => '(25[0-5]|2[0-4][0-9]|1?[0-9]{1,2})', 
			'last' => '(25[0-4]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]?)' 
		); 

		$ip = "\b{$octets[ 'first' ]}\.({$octets[ 'middle' ]}\.){2}{$octets[ 'last' ]}\b"; 

		$top_level_domains = '(\.(ac|ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|as|asia|at|au|aw|ax|az|' 
			. 'ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bl|bm|bn|bo|br|bs|bt|bv|bw|by|bz|' 
			. 'ca|cat|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cu|cv|cx|cy|cz|' 
			. 'de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|' 
			. 'ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|' 
			. 'hk|hm|hn|hr|ht|hu|id|ie|il|im|in|info|int|io|iq|ir|is|it|je|jm|jo|jobs|jp|' 
			. 'ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|' 
			. 'ma|mc|md|me|mf|mg|mh|mil|mk|ml|mm|mn|mo|mobi|mp|mq|mr|ms|mt|mu|museum|' 
			. 'mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|' 
			. 'pa|pe|pf|pg|ph|pk|pl|pm|pn|pro|ps|pt|pw|py|qa|re|ro|rs|ru|rw|' 
			. 'sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|' 
			. 'tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|tr|travel|tt|tv|tw|tz|' 
			. 'ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw))+\b'; 

		$path = '(?>\/[\w\d\/\.\'\(\)\-\+~?!&#@$%|:;,*=_]+)?'; 
		$port = '(?>:\d{2,5})?'; 
		$domain = '(?>[\w\d_\-]+)'; 
		$subdomain = "(?>{$domain}\.)*"; 
		$protocol = '(?>(http|ftp)(s)?:\/\/)?'; 
		$url = "(?>{$protocol}((?>{$subdomain}{$domain}{$top_level_domains}|{$ip}){$port}{$path}))"; 

		$pattern = "/(<\w[^>]+|[\/\"'@=])?{$url}/";
		ini_set( 'pcre.backtrack_limit', 300000 ); 

		/* 
		// PHP 5.3 
		$replace = function( $matches ) 
		{ 
			if ( $matches[ 1 ] ) 
				return $matches[ 0 ]; 

			$url = ( $matches[ 2 ] ) ? $matches[ 2 ] : 'http'; 
			$url .= "{$matches[ 3 ]}://{$matches[ 4 ]}"; 
			return "<a href=\"{$url}\" target=\"_blank\">{$matches[ 4 ]}</a>"; 
		}; 
		$body = preg_replace_callback( $pattern, $replace, $body ); 
		 */ 

		// PHP 5.2.x - Remover assim que possível 
		$body = preg_replace_callback( $pattern, 
			create_function( 
				'$matches', 
				'if ( $matches[ 1 ] ) return $matches[ 0 ];' 
				. '$url = ( $matches[ 2 ] ) ? $matches[ 2 ] : "http";'
				. '$url .= "{$matches[ 3 ]}://{$matches[ 4 ]}";'
				. 'return "<a href=\"{$url}\" target=\"_blank\">{$matches[ 4 ]}</a>";'
			), $body
		);
		ini_set( 'pcre.backtrack_limit', 100000 ); 
		// E-mail address in the text should create a new e-mail on ExpressoMail
		$pattern = '/( |<|&lt;|>)([A-Za-z0-9\.~?\/_=#\-]*@[A-Za-z0-9\.~?\/_=#\-]*)( |>|&gt;|<)/im'; 
		$replacement = '$1<a href="mailto:$2">$2</a>$3';
		$body = preg_replace( $pattern, $replacement, $body );

		return $body;
	}

	function get_signature($msg, $msg_number, $msg_folder)
	{
        include_once(dirname( __FILE__ ) ."/../../security/classes/CertificadoB.php");
		include_once("class.db_functions.inc.php");
		foreach ($msg->file_type[$msg_number] as $index => $file_type)
		{
            $sign = array();
			$temp = $this->get_info_head_msg($msg_number);
			if($temp['ContentType'] =='normal') return $sign;
			$file_type = strtolower($file_type);
			if(strtolower($msg->encoding[$msg_number][$index]) == 'base64')
			{
				if ($file_type == 'application/x-pkcs7-signature' || $file_type == 'application/pkcs7-signature')
				{
					if(!$this->mbox || !is_resource($this->mbox))
					$this->mbox = $this->open_mbox($msg_folder);

					$header = @imap_headerinfo($this->mbox, imap_msgno($this->mbox, $msg_number), 80, 255);

					$imap_msg	 	= @imap_fetchheader($this->mbox, $msg_number, FT_UID);
					$imap_msg		.= @imap_body($this->mbox, $msg_number, FT_UID);

					$certificado = new certificadoB();
					$validade = $certificado->verificar($imap_msg);

					if ($certificado->apresentado)
					{
						$from = $header->from;
						foreach ($from as $id => $object) {
							$fromname = $object->personal;
						    $fromaddress = $object->mailbox . "@" . $object->host;
					}
						$sign_alert = '';
						foreach ($certificado->erros_ssl as $item)
						{
							$check_error_msg = $this->functions->getLang($item);
							/*
							 * Desabilite o teste abaixo para mostrar todas as mensagem
							 * de erro.
							 */
							//if (!strpos($check_error_msg,'*',strlen($check_error_msg-1)))
							//{
							$sign[] = "<span style=color:red>" . $check_error_msg . " </span>";
							//}
						}
						if (count($certificado->erros_ssl) < 1)
						{
							$check_msg = $this->functions->getLang('Message untouched') . " ";
							if(strtoupper($fromaddress) != strtoupper($certificado->dados['EMAIL']))
							{
								$check_msg .= $this->functions->getLang('and') . " ";
								$check_msg .= $this->functions->getLang('authentic');
							}
							$sign[] = "<strong>".$check_msg."</strong>";
						}
						if(strtoupper($fromaddress) != strtoupper($certificado->dados['EMAIL']))
						{
							$sign[] = 	"<span style=color:red>" .
										$this->functions->getLang('message') . " " .
							        	$this->functions->getLang('with signer different from sender') .
							        	" </span>";
						}
						$sign[] = "<strong>" . $this->functions->getLang('Message signed by: ') . "</strong>" . $certificado->dados['NOME'];
						$sign[] = "<strong>" . $this->functions->getLang('Certificate email: ') . "</strong>" . $certificado->dados['EMAIL'];
						$sign[] = "<strong>" . $this->functions->getLang('Mail from: ') . "</strong>" . $fromaddress;
						$sign[] = "<strong>" . $this->functions->getLang('Certificate Authority: ') . "</strong>" . $certificado->dados['EMISSOR'];
						$sign[] = "<strong>" . $this->functions->getLang('Validity of certificate: ') . "</strong>" . gmdate('r',openssl_to_timestamp($certificado->dados['FIM_VALIDADE']));
						$sign[] = "<strong>" . $this->functions->getLang('Message date: ') . "</strong>" . $header->Date;

					    $cert = openssl_x509_parse($certificado->cert_assinante);
						/*
						$sign[] = '<table>';
						$sign[] = '<tr><td colspan=1><b>Expedido para:</b></td></tr>';
						$sign[] = '<tr><td>Nome Comum (CN) </td><td>' . $cert[subject]['CN'] .  '</td></tr>';
						$X = substr($certificado->dados['NASCIMENTO'] ,0,2) . '-' . substr($certificado->dados['NASCIMENTO'] ,2,2) . '-'  . substr($certificado->dados['NASCIMENTO'] ,4,4);
						$sign[] = '<tr><td>Data de nascimento </td><td>' . $certificado->dados['NASCIMENTO'] .  '</td></tr>';
						$sign[] = '<tr><td>CPF </td><td>' . $certificado->dados['CPF'] .  '</td></tr>';
						$sign[] = '<tr><td>Documento identidade </td><td>' . $certificado->dados['RG'] .  '</td></tr>';
						$sign[] = '<tr><td>Empresa (O) </td><td>' . $cert[subject]['O'] .  '</td></tr>';
						$sign[] = '<tr><td>Unidade Organizacional (OU) </td><td>' . $cert[subject]['OU'][0] .  '</td></tr>';
						//$sign[] = '<tr><td>Numero de serie </td><td>' . $cert['serialNumber'] .  '</td></tr>';
						$sign[] = '<tr><td colspan=1> </td></tr>';
						$sign[] = '<tr><td colspan=1><b>Expedido por:</b></td></tr>';
						$sign[] = '<tr><td>Nome Comum (CN) </td><td>' . $cert[issuer]['CN'] .  '</td></tr>';
						$sign[] = '<tr><td>Empresa (O) </td><td>' . $cert[issuer]['O'] .  '</td></tr>';
						$sign[] = '<tr><td>Unidade Organizacional (OU) </td><td>' . $cert[issuer]['OU'][0] .  '</td></tr>';
						$sign[] = '<tr><td colspan=1> </td></tr>';
						$sign[] = '<tr><td colspan=1><b>Validade:</b></td></tr>';
						$H = data_hora($cert[validFrom]);
						$X = substr($H,6,2) . '-' . substr($H,4,2) . '-'  . substr($H,0,4);
						$sign[] = '<tr><td>Expedido em </td><td>' . $X .  '</td></tr>';
						$H = data_hora($cert[validTo]);
						$X = substr($H,6,2) . '-' . substr($H,4,2) . '-'  . substr($H,0,4);
						$sign[] = '<tr><td>Valido ate </td><td>' . $X .  '</td></tr>';
						$sign[] = '<tr><td colspan=1> </td></tr>';
						$sign[] = '</table>';
						*/
						$sign_alert .= 'Expedido para:\n';
						$sign_alert .= 'Nome Comum (CN)  ' . $cert[subject]['CN'] .  '\n';
						$X = substr($certificado->dados['NASCIMENTO'] ,0,2) . '-' . substr($certificado->dados['NASCIMENTO'] ,2,2) . '-'  . substr($certificado->dados['NASCIMENTO'] ,4,4);
						$sign_alert .= 'Data de nascimento ' . $X .  '\n';
						$sign_alert .= 'CPF ' . $certificado->dados['CPF'] .  '\n';
						$sign_alert .= 'Documento identidade ' . $certificado->dados['RG'] .  '\n';
						$sign_alert .= 'Empresa (O)  ' . $cert[subject]['O'] .  '\n';
						$sign_alert .= 'Unidade Organizacional (OU) ' . $cert[subject]['OU'][0] .  '\n';
						//$sign_alert[] = '<tr><td>Numero de serie </td><td>' . $cert['serialNumber'] .  '</td></tr>';
						$sign_alert .= '\n';
						$sign_alert .= 'Expedido por:\n';
						$sign_alert .= 'Nome Comum (CN) ' . $cert[issuer]['CN'] . '\n';
						$sign_alert .= 'Empresa (O)  ' . $cert[issuer]['O'] .  '\n';
						$sign_alert .= 'Unidade Organizacional (OU) ' . $cert[issuer]['OU'][0] .  '\n';
						$sign_alert .= '\n';
						$sign_alert .= 'Validade:\n';
						$H = data_hora($cert[validFrom]);
						$X = substr($H,6,2) . '-' . substr($H,4,2) . '-'  . substr($H,0,4);
						$sign_alert .= 'Expedido em ' . $X .  '\n';
						$H = data_hora($cert[validTo]);
						$X = substr($H,6,2) . '-' . substr($H,4,2) . '-'  . substr($H,0,4);
						$sign_alert .= 'Valido ate ' . $X .  '\n';

						$sign[] = "<a onclick=\"javascript:alert('" . $sign_alert . "')\"><b><font color=\"#0000FF\">".$this->functions->getLang("More")."...</font></b></a>";
						$this->db = new db_functions();

						// TODO: testar se existe um certificado no banco e verificar qual ï¿½ o mais atual.
                        if(!$certificado->dados['EXPIRADO'] && !$certificado->dados['REVOGADO'] && count($certificado->erros_ssl) < 1)
                            $this->db->insert_certificate(strtolower($certificado->dados['EMAIL']), $certificado->cert_assinante, $certificado->dados['SERIALNUMBER'], $certificado->dados['AUTHORITYKEYIDENTIFIER']);
					}
				     else
				    {
				    	$sign[] = "<span style=color:red>" . $this->functions->getLang('Invalid signature') . "</span>";
				    	foreach($certificado->erros_ssl as $item)
				    	$sign[] = "<span style=color:red>" . $this->functions->getLang($item) . "</span>";
                    }
				}
			}
		}
   		return $sign;
	}

	function get_thumbs($msg, $msg_number, $msg_folder)
	{
		$thumbs_array = array();
		$i = 0;
    	foreach ($msg->file_type[$msg_number] as $index => $file_type)
    	{
    		$file_type = strtolower($file_type);
    		if(strtolower($msg->encoding[$msg_number][$index]) == 'base64') {
	    		if (($file_type == 'image/jpeg') || ($file_type == 'image/pjpeg') || ($file_type == 'image/gif') || ($file_type == 'image/png')) {
	    			$img = "<IMG id='".$msg_folder.";;".$msg_number.";;".$i.";;".$msg->pid[$msg_number][$index].";;".$msg->encoding[$msg_number][$index]."' style='border:2px solid #fde7bc;padding:5px' title='".$this->functions->getLang("Click here do view (+)")."'src=./inc/show_thumbs.php?file_type=".$file_type."&msg_num=".$msg_number."&msg_folder=".$msg_folder."&msg_part=".$msg->pid[$msg_number][$index].">";
	    			$href = "<a onMouseDown='save_image(event,this,\"".$file_type."\")' href='#".$msg_folder.";;".$msg_number.";;".$i.";;".$msg->pid[$msg_number][$index].";;".$msg->encoding[$msg_number][$index]."' onClick=\"window.open('./inc/show_img.php?msg_num=".$msg_number."&msg_folder=".$msg_folder."&msg_part=".$msg->pid[$msg_number][$index]."','mywindow','width=700,height=600,scrollbars=yes');\">". $img ."</a>";
					$thumbs_array[] = $href;
	    		}
    			$i++;
    		}
    	}
    	return $thumbs_array;
	}

	/*function delete_msg($params)
	{
		$folder = $params['folder'];
		$msgs_to_delete = explode(",",$params['msgs_to_delete']);

		$mbox_stream = $this->open_mbox($folder);

		foreach ($msgs_to_delete as $msg_number){
			imap_delete($mbox_stream, $msg_number, FT_UID);
		}
		imap_close($mbox_stream, CL_EXPUNGE);
		return $params['msgs_to_delete'];
	}*/

	// Novo
	function delete_msgs($params)
	{

		$folder = $params['folder'];
		$folder =  mb_convert_encoding($folder, "UTF7-IMAP","ISO-8859-1");
		$msgs_number = explode(",",$params['msgs_number']);
		$border_ID = $params['border_ID'];

		$return = array();

		if ($params['get_previous_msg']){
			$return['previous_msg'] = $this->get_info_previous_msg($params);
			// Fix problem in unserialize function JS.
			$return['previous_msg']['body'] = str_replace(array('{','}'), array('&#123;','&#125;'), $return['previous_msg']['body']);
		}

		//$mbox_stream = $this->open_mbox($folder);
	 	$mbox_stream = @imap_open("{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$folder, $this->username, $this->password) or die(serialize(array('imap_error' => $this->parse_error(imap_last_error()))));

		foreach ($msgs_number as $msg_number)
		{
			if (imap_delete($mbox_stream, $msg_number, FT_UID));
				$return['msgs_number'][] = $msg_number;
		}

		$return['folder'] = $folder;
		$return['border_ID'] = $border_ID;

		if($mbox_stream)
			imap_close($mbox_stream, CL_EXPUNGE);
		return $return;
	}


	function refresh($params)
	{

		$folder = $params['folder'];
		$msg_range_begin = $params['msg_range_begin'];
		$msg_range_end = $params['msg_range_end'];
		$msgs_existent = $params['msgs_existent'];
		$sort_box_type = $params['sort_box_type'];
		$sort_box_reverse = $params['sort_box_reverse'];
		$msgs_in_the_server = array();
		$search_box_type = $params['search_box_type'] != "ALL" && $params['search_box_type'] != "" ? $params['search_box_type'] : false;
		$msgs_in_the_server = $this->get_msgs($folder, $sort_box_type, $search_box_type, $sort_box_reverse,$msg_range_begin,$msg_range_end);
		$msgs_in_the_server = array_keys($msgs_in_the_server);
		if(!count($msgs_in_the_server))
			return array();

		$num_msgs = (count($msgs_in_the_server) - imap_num_recent($this->mbox));
		$msgs_in_the_client = explode(",", $msgs_existent);

		$msg_to_insert  = array_diff($msgs_in_the_server, $msgs_in_the_client);
		$msg_to_delete = array_diff($msgs_in_the_client, $msgs_in_the_server);

		$msgs_to_exec = array();
		foreach($msg_to_insert as $msg_number)
			$msgs_to_exec[] = $msg_number;
		sort($msgs_to_exec);

		$return = array();
		$i = 0;
		foreach($msgs_to_exec as $msg_number)
		{
			/*A função imap_headerinfo não traz o cabeçalho completo, e sim alguns
			* atributos do cabeçalho. Como eu preciso do atributo Importance
			* para saber se o email é importante ou não, uso abaixo a função
			* imap_fetchheader e busco o atributo importance nela para passar
			* para as funções ajax. Isso faz com que eu acesse o cabeçalho
			* duas vezes e de duas formas diferentes, mas em contrapartida, eu
			* não preciso reimplementar o método utilizando o fetchheader.
			*/
	                $tempHeader = @imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number));
			$flag = preg_match('/importance *: *(.*)\r/i', $tempHeader, $importance);
			$return[$i]['Importance'] = $flag==0?"Normal":$importance[1];

			$msg_sample = $this->get_msg_sample($msg_number);
			$return[$i]['msg_sample'] = $msg_sample;

			$header = $this->get_header($msg_number);
			if (!is_object($header))
				continue;

			$return[$i]['msg_number']	= $msg_number;

			$return[$i]['msg_folder']	= $folder;
        		// Atribui o tipo (normal, signature ou cipher) ao campo Content-Type
			$return[$i]['ContentType']  = $this->getMessageType($msg_number, $tempHeader);
			$return[$i]['Recent']		= $header->Recent;
			$return[$i]['Unseen']		= $header->Unseen;
			$return[$i]['Answered']		= $header->Answered;
			$return[$i]['Deleted']		= $header->Deleted;
			$return[$i]['Draft']		= $header->Draft;
			$return[$i]['Flagged']		= $header->Flagged;

			$return[$i]['udate'] = $header->udate;
		
			$from = $header->from;
			$return[$i]['from'] = array();
			$tmp = imap_mime_header_decode($from[0]->personal);
			$return[$i]['from']['name'] = $tmp[0]->text;
			$return[$i]['from']['email'] = $from[0]->mailbox . "@" . $from[0]->host;
			//$return[$i]['from']['full'] ='"' . $return[$i]['from']['name'] . '" ' . '<' . $return[$i]['from']['email'] . '>';
			if(!$return[$i]['from']['name'])
				$return[$i]['from']['name'] = $return[$i]['from']['email'];

			/*$toaddress = imap_mime_header_decode($header->toaddress);
			$return[$i]['toaddress'] = '';
			foreach ($toaddress as $tmp)
				$return[$i]['toaddress'] .= $tmp->text;*/
			$to = $header->to;
			$return[$i]['to'] = array();
			$tmp = imap_mime_header_decode($to[0]->personal);
			$return[$i]['to']['name'] = $tmp[0]->text;
			$return[$i]['to']['email'] = $to[0]->mailbox . "@" . $to[0]->host;
			$return[$i]['to']['full'] ='"' . $return[$i]['to']['name'] . '" ' . '<' . $return[$i]['to']['email'] . '>';

			$return[$i]['subject'] = $this->decode_string($header->fetchsubject);

			$return[$i]['Size'] = $header->Size;
			$return[$i]['reply_toaddress'] = $header->reply_toaddress;

			$return[$i]['attachment'] = array();
			if (!isset($imap_attachment))
			{
				include_once("class.imap_attachment.inc.php");
				$imap_attachment = new imap_attachment();
			}
			$return[$i]['attachment'] = $imap_attachment->get_attachment_headerinfo($this->mbox, $msg_number);
			$i++;
		}
		$return['quota'] = $this->get_quota(array('folder_id' => $folder));
		$return['sort_box_type'] = $params['sort_box_type'];
		$return['new_msgs'] = imap_num_recent($this->mbox);
		$return['msgs_to_delete'] = $msg_to_delete;
		if($this->mbox && is_resource($this->mbox))
			imap_close($this->mbox);

		return $return;
	}

     /**
     * Método que faz a verificação do Content-Type do e-mail e verifica se é um e-mail normal,
     * assinado ou cifrado.
     * @author Mário César Kolling <mario.kolling@serpro.gov.br>
     * @param $headers Uma String contendo os Headers do e-mail retornados pela função imap_imap_fetchheader
     * @param $msg_number O número da mesagem
     * @return Retorna o tipo da mensagem (normal, signature, cipher).
     */
    function getMessageType($msg_number, $headers = false){

            $contentType = "normal";
            if (!$headers){
                $headers = imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number));
            }
            //$header2 = imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number));
            if (preg_match("/Content-Type:.*pkcs7-signature/i", $headers) == 1){
                $contentType = "signature";
            } else if (preg_match("/Content-Type:.*x-pkcs7-mime/i", $headers) == 1){
                $contentType = "cipher";
            }

            return $contentType;
    }

	 /**
     * Metodo que retorna todas as pastas do usuario logado.
     * @param $params array opcional para repassar os argumentos ao metodo.
     * Se usar $params['noSharedFolders'] = true, ira retornar todas as pastas do usuário logado,
     * excluindo as compartilhadas para ele.
     * @return Retorna um array contendo as seguintes informacoes de cada pasta: folder_unseen,
     * folder_id, folder_name, folder_parent e folder_hasChildren.
     */
	function get_folders_list($params = null)
	{
		$mbox_stream = $this->open_mbox();
		if($params && $params['onload'] && $_SESSION['phpgw_info']['expressomail']['server']['certificado']){
			$this->delete_mailbox(array("del_past" => "INBOX/decifradas"));
		}


		$inbox = 'INBOX';
		$trash = $inbox . $this->imap_delimiter . $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultTrashFolder'];
		$drafts = $inbox . $this->imap_delimiter . $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultDraftsFolder'];
		$spam = $inbox . $this->imap_delimiter . $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultSpamFolder'];
		$sent = $inbox . $this->imap_delimiter . $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultSentFolder'];
		$uid2cn = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['uid2cn']; 
		// Free others requests 
		session_write_close(); 

		$serverString = "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}"; 
		$folders_list = imap_getmailboxes($mbox_stream, $serverString, ($params && $params['noSharedFolders']) ? "INBOX/*" : "*"); 
		if ( $params && $params['noSharedFolders'] )
			$folders_list = imap_getmailboxes($mbox_stream, $serverString, 'INBOX' ) + $folders_list;
		$folders_list = array_slice($folders_list,0,$this->foldersLimit); 

		$tmp = array(); 
		$resultMine = array(); 
		$resultDefault = array(); 

		if (is_array($folders_list)) {
  			reset($folders_list);
            		$this->ldap = new ldap_functions();

			$i = 0;
  			while (list($key, $val) = each($folders_list)) {
  				$status = imap_status($mbox_stream, $val->name, SA_UNSEEN);

  				//$tmp_folder_id = explode("}", imap_utf7_decode($val->name));
  				$tmp_folder_id = explode("}", mb_convert_encoding($val->name, "ISO_8859-1", "UTF7-IMAP" ));
    			        if($tmp_folder_id[1]=='INBOX'.$this->imap_delimiter.'decifradas') {
		        	        //error_log('passou', 3,'/tmp/imap_get_list.log');
                			//imap_deletemailbox($mbox_stream,imap_utf7_encode("{".$this->imap_server."}".'INBOX/decifradas'));
		                	continue;
		                }
		                $result[$i]['folder_unseen'] = $status->unseen;
  				$folder_id = $tmp_folder_id[1];
				$result[$i]['folder_id'] = $folder_id;

				$tmp_folder_parent = explode($this->imap_delimiter, $folder_id);
				$result[$i]['folder_name'] = array_pop($tmp_folder_parent);
				$result[$i]['folder_name'] = $result[$i]['folder_name'] == 'INBOX' ? 'Inbox' : $result[$i]['folder_name'];
				if ($uid2cn && substr($folder_id,0,4) == 'user') {
					//$this->ldap = new ldap_functions();
					if ($cn = $this->ldap->uid2cn($result[$i]['folder_name'])) {
						$result[$i]['folder_name'] = $cn;
					}
				}

				$tmp_folder_parent = implode($this->imap_delimiter, $tmp_folder_parent);
				$result[$i]['folder_parent'] = $tmp_folder_parent == 'INBOX' ? '' : $tmp_folder_parent;

				if (($val->attributes == 32) && ($result[$i]['folder_name'] != 'Inbox'))
					$result[$i]['folder_hasChildren'] = 1;
				else
					$result[$i]['folder_hasChildren'] = 0;

				switch ($tmp_folder_id[1]) {
					case $inbox:
					case $sent:
					case $drafts:
					case $spam:
					case $trash:
                		   		$resultDefault[]=$result[$i];
					default:
                				$resultMine[]=$result[$i];
				}

				$i++;
  			}
		}

		// Sorting resultMine
		foreach ($resultMine as $folder_info)
		{
			$array_tmp[] = $folder_info['folder_id'];
		}

		natcasesort($array_tmp);

		foreach ($array_tmp as $key => $folder_id)
		{
			$result2[] = $resultMine[$key];
		}
		
		$resultDefault2=$resultDefault;
		// Sorting resultDefault
		foreach ($resultDefault as $key => $folder_id)
		{

			switch ($resultDefault[$key]['folder_id']) {
				case $inbox: 
					$resultDefault2[0] = $resultDefault[$key];
					break;
				case $sent: 
					$resultDefault2[1] = $resultDefault[$key];
					break;
				case $drafts: 
					$resultDefault2[2] = $resultDefault[$key];
					break;
				case $spam: 
					$resultDefault2[3] = $resultDefault[$key];
					break;
				case $trash: 
					$resultDefault2[4] = $resultDefault[$key];
					break;
			}
		}

		// Merge default folders and mines
		$result2 = array_merge($resultDefault2, $result2);
		
		$current_folder = "INBOX";
		if($params && $params['folder'])
			$current_folder = $params['folder'];
		return array_merge($result2, $this->get_quota(array('folder_id' => $current_folder)));
	}

	function create_mailbox($arr)
	{
		$namebox	= $arr['newp'];
		$mbox_stream = $this->open_mbox();
		$imap_server = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
		$namebox =  mb_convert_encoding($namebox, "UTF7-IMAP", "UTF-8");

		$result = "Ok";
		if(!imap_createmailbox($mbox_stream,"{".$imap_server."}$namebox"))
		{
			$result = implode("<br />\n", imap_errors());
		}

		if($mbox_stream)
			imap_close($mbox_stream);

		return $result;

	}

	function create_extra_mailbox($arr)
	{
		$nameboxs = explode(";",$arr['nw_folders']);
		$result = "";
		$mbox_stream = $this->open_mbox();
		$imap_server = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
		foreach($nameboxs as $key=>$tmp){
			if($tmp != ""){
				if(!imap_createmailbox($mbox_stream,imap_utf7_encode("{".$imap_server."}$tmp"))){
					$result = implode("<br />\n", imap_errors());
					if($mbox_stream)
						imap_close($mbox_stream);
					return $result;
				}
			}
		}
		if($mbox_stream)
			imap_close($mbox_stream);
		return true;
	}

	function delete_mailbox($arr)
	{
		$namebox = $arr['del_past'];
		$imap_server = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
		$mbox_stream = $this->mbox ? $this->mbox : $this->open_mbox();
		//$del_folder = imap_deletemailbox($mbox_stream,"{".$imap_server."}INBOX.$namebox");

		$result = "Ok";
		$namebox = mb_convert_encoding($namebox, "UTF7-IMAP","UTF-8");
		if(!imap_deletemailbox($mbox_stream,"{".$imap_server."}$namebox"))
		{
			$result = implode("<br />\n", imap_errors());
		}
		/*
		if($mbox_stream)
			imap_close($mbox_stream);
		*/
		return $result;
	}

	function ren_mailbox($arr)
	{
		$namebox = $arr['current'];
		$new_box = $arr['rename'];
		$imap_server = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
		$mbox_stream = $this->open_mbox();
		//$ren_folder = imap_renamemailbox($mbox_stream,"{".$imap_server."}INBOX.$namebox","{".$imap_server."}INBOX.$new_box");

		$result = "Ok";
		$namebox = mb_convert_encoding($namebox, "UTF7-IMAP","UTF-8");
		$new_box = mb_convert_encoding($new_box, "UTF7-IMAP","UTF-8");

		if(!imap_renamemailbox($mbox_stream,"{".$imap_server."}$namebox","{".$imap_server."}$new_box"))
		{
			$result = imap_errors();
		}
		if($mbox_stream)
			imap_close($mbox_stream);
		return $result;

	}

	function get_num_msgs($params)
	{
		$folder = $params['folder'];
		if(!$this->mbox || !is_resource($this->mbox)) {
			$this->mbox = $this->open_mbox($folder);
			if(!$this->mbox || !is_resource($this->mbox))
			return imap_last_error();
		}
		$num_msgs = imap_num_msg($this->mbox);
		if($this->mbox && is_resource($this->mbox))
			imap_close($this->mbox);

		return $num_msgs;
	}

	function folder_exists($folder){
		$mbox =  $this->open_mbox();
		$serverString = "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}";		
		$list = imap_getmailboxes($mbox,$serverString, $folder);
		$return = is_array($list);		
		imap_close($mbox);
		return $return;
	}
	
	function send_mail($params)
	{
		include_once("class.phpmailer.php");
		$mail = new PHPMailer();
		include_once("class.db_functions.inc.php");
		$db = new db_functions();
		$fromaddress = $params['input_from'] ? explode(';',$params['input_from']) : "";
		##
		# @AUTHOR Rodrigo Souza dos Santos
		# @DATE 2008/09/17
		# @BRIEF Checks if the user has permission to send an email with the email address used.
		##
		if ( is_array($fromaddress) && ($fromaddress[1] != $_SESSION['phpgw_info']['expressomail']['user']['email']) )
		{
			$deny = true;
			foreach( $_SESSION['phpgw_info']['expressomail']['user']['shared_mailboxes'] as $key => $val )
				if ( array_key_exists('mail', $val) && $val['mail'][0] == $fromaddress[1] )
					$deny = false and end($_SESSION['phpgw_info']['expressomail']['user']['shared_mailboxes']);

			if ( $deny )
				return "The server denied your request to send a mail, you cannot use this mail address.";
		}

		$toaddress = implode(',',$db->getAddrs(explode(',',$params['input_to'])));
		$ccaddress = implode(',',$db->getAddrs(explode(',',$params['input_cc'])));
		$ccoaddress = implode(',',$db->getAddrs(explode(',',$params['input_cco'])));
		$subject = $params['input_subject'];
		$msg_uid = $params['msg_id'];
		$return_receipt = $params['input_return_receipt'];
		$is_important = $params['input_important_message'];
        $encrypt = $params['input_return_cripto'];
		$signed = $params['input_return_digital'];

		if($params['smime'])
        {
            $body = $params['smime'];
            $mail->SMIME = true;
            // A MSG assinada deve ser testada neste ponto.
            // Testar o certificado e a integridade da msg....
            include_once(dirname( __FILE__ ) ."/../../security/classes/CertificadoB.php");
            $erros_acumulados = '';
            $certificado = new certificadoB();
            $validade = $certificado->verificar($body);
            if(!$validade)
            {
                foreach($certificado->erros_ssl as $linha_erro)
                {
                    $erros_acumulados .= $linha_erro;
                }
            }
            else
            {
                // Testa o CERTIFICADO: se o CPF  he o do usuario logado, se  pode assinar msgs e se  nao esta expirado...
                if ($certificado->apresentado)
                {
                    if($certificado->dados['EXPIRADO']) $erros_acumulados .='Certificado expirado.';
                    if($certificado->dados['CPF'] != $this->username) $erros_acumulados .=' CPF no certificado diferente do logado no expresso.';
                    if(!($certificado->dados['KEYUSAGE']['digitalSignature'] && $certificado->dados['EXTKEYUSAGE']['emailProtection'])) $erros_acumulados .=' Certificado nao permite assinar mensagens.';
                }
                else
                {
                    $$erros_acumulados .= 'Nao foi possivel usar o certificado para assinar a msg';
                }
            }
            if(!$erros_acumulados =='')
            {
                return $erros_acumulados;
            }
        }
        else
        {
            $body = $params['body'];
	    //Compatibilização com Outlook, ao encaminhar a mensagem
	    $body = mb_ereg_replace('<!--\[','<!-- [',$body);
        }
		//echo "<script language=\"javascript\">javascript:alert('".$body."');</script>";
		$attachments = $params['FILES'];
		$forwarding_attachments = $params['forwarding_attachments'];
		$local_attachments = $params['local_attachments'];
		
		//Test if must be saved in shared folder and change if necessary
		if( $fromaddress[2] == 'y' ){
			//build shared folder path
			$newfolder = "user".$this->imap_delimiter.$fromaddress[3].$this->imap_delimiter.$this->imap_sentfolder;
			if( $this->folder_exists($newfolder) ) $folder = $newfolder;
			else $folder =  $params['folder'];  			
		} else	{
			$folder = $params['folder'];			
		}
		
		$folder = mb_convert_encoding($folder, "UTF7-IMAP","ISO_8859-1");
		$folder_name = $params['folder_name'];
		// Fix problem with cyrus delimiter changes.
		// Dots in names: enabled/disabled.
		$folder = @eregi_replace("INBOX/", "INBOX".$this->imap_delimiter, $folder);
		$folder = @eregi_replace("INBOX.", "INBOX".$this->imap_delimiter, $folder);
		// End Fix.
		if ($folder != 'null'){
			$mail->SaveMessageInFolder = $folder;
		}
////////////////////////////////////////////////////////////////////////////////////////////////////
		$mail->SMTPDebug = false;

		if($signed && !$params['smime'])
		{
            $mail->Mailer = "smime";
			$mail->SignedBody = true;
		}
		else
            $mail->IsSMTP();

		$mail->Host = $_SESSION['phpgw_info']['expressomail']['email_server']['smtpServer'];
		$mail->Port = $_SESSION['phpgw_info']['expressomail']['email_server']['smtpPort'];
		$mail->From = $_SESSION['phpgw_info']['expressomail']['user']['email'];
		$mail->FromName = $_SESSION['phpgw_info']['expressomail']['user']['fullname'];
		if($fromaddress){
			$mail->Sender = $mail->From;
			$mail->SenderName = $mail->FromName;
			$mail->FromName = $fromaddress[0];
			$mail->From = $fromaddress[1];
		}

		$this->add_recipients("to", $toaddress, &$mail);
		$this->add_recipients("cc", $ccaddress, &$mail);
		$this->add_recipients("cco", $ccoaddress, &$mail);
		$mail->Subject = $subject;
		$mail->IsHTML($params['type'] != 'textplain');
		$mail->Body = $body;

        if (($encrypt && $signed && $params['smime']) || ($encrypt && !$signed))	// a msg deve ser enviada cifrada...
		{
			$email = $this->add_recipients_cert($toaddress . ',' . $ccaddress. ',' .$ccoaddress);
            $email = explode(",",$email);
            // Deve ser testado se foram obtidos os certificados de todos os destinatarios.
            // Deve ser verificado um numero limite de destinatarios.
            // Deve ser verificado se os certificados sao validos.
            // Se uma das verificacoes falhar, nao enviar o e-mail e avisar o usuario.
            // O array $mail->Certs_crypt soh deve ser preenchido se os certificados passarem nas verificacoes.
            $numero_maximo = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['num_max_certs_to_cipher'];  // Este valor dever ser configurado pelo administrador do site ....
            $erros_acumulados = "";
            $aux_mails = array();
            $mail_list = array();
            if(count($email) > $numero_maximo)
            {
                $erros_acumulados .= "Excedido o numero maximo (" . $numero_maximo . ") de destinatarios para uma msg cifrada...." . chr(0x0A);
                return $erros_acumulados;
            }
            // adiciona o email do remetente. eh para cifrar a msg para ele tambem. Assim vai poder visualizar a msg na pasta enviados..
            $email[] = $_SESSION['phpgw_info']['expressomail']['user']['email'];
            foreach($email as $item)
            {
                $certificate = $db->get_certificate(strtolower($item));
                if(!$certificate)
                {
                    $erros_acumulados .= "Chamada com parametro invalido.  e-Mail nao pode ser vazio." . chr(0x0A);
                    return $erros_acumulados;
                }

                if (array_key_exists("dberr1", $certificate))
                {

                    $erros_acumulados .= "Ocorreu um erro quando pesquisava certificados dos destinatarios para cifrar a msg." . chr(0x0A);
                    return $erros_acumulados;
				}
                if (array_key_exists("dberr2", $certificate))
                {
                    $erros_acumulados .=  $item . ' : Nao  pode cifrar a msg. Certificado nao localizado.' . chr(0x0A);
                    //continue;
                }
			/*  Retirado este teste para evitar mensagem de erro duplicada.
                if (!array_key_exists("certs", $certificate))
              	{
               		$erros_acumulados .=  $item . ' : Nao  pode cifrar a msg. Certificado nao localizado.' . chr(0x0A);
                    continue;
                }
            */
                include_once(dirname( __FILE__ ) ."/../../security/classes/CertificadoB.php");

                foreach ($certificate['certs'] as $registro)
                {
                    $c1 = new certificadoB();
                    $c1->certificado($registro['chave_publica']);
                    if ($c1->apresentado)
                    {
                        $c2 = new Verifica_Certificado($c1->dados,$registro['chave_publica']);
                        if (!$c1->dados['EXPIRADO'] && !$c2->revogado && $c2->status)
                        {
                            $aux_mails[] = $registro['chave_publica'];
                            $mail_list[] = strtolower($item);
                        }
                        else
                        {
                            if ($c1->dados['EXPIRADO'] || $c2->revogado)
                            {
                                $db->update_certificate($c1->dados['SERIALNUMBER'],$c1->dados['EMAIL'],$c1->dados['AUTHORITYKEYIDENTIFIER'],
                                    $c1->dados['EXPIRADO'],$c2->revogado);
                            }

                            $erros_acumulados .= $item . ':  ' . $c2->msgerro . chr(0x0A);
                            foreach($c2->erros_ssl as $linha)
                            {
                                $erros_acumulados .=  $linha . chr(0x0A);
                            }
                            $erros_acumulados .=  'Emissor: ' . $c1->dados['EMISSOR'] . chr(0x0A);
                            $erros_acumulados .=  $c1->dados['CRLDISTRIBUTIONPOINTS'] . chr(0x0A);
                        }
                    }
                    else
                    {
                        $erros_acumulados .= $item . ' : Nao  pode cifrar a msg. Certificado invalido.' . chr(0x0A);
                    }
                }
            	if(!(in_array(strtolower($item),$mail_list)) && !empty($erros_acumulados))
				{
					return $erros_acumulados;
        		}
            }

            $mail->Certs_crypt = $aux_mails;
        }
                // Build CID images 
		$this->buildEmbeddedImages($mail,$msg_uid,$forwarding_attachments); 

		//	Build Uploading Attachments!!!
		if ((count($attachments)) && ($params['is_local_forward']!="1")) //Caso seja forward normal...
		{
			$total_uploaded_size = 0;
			$upload_max_filesize = str_replace("M","",$_SESSION['phpgw_info']['user']['preferences']['expressoMail']['max_attachment_size']) * 1024 * 1024;
			foreach ($attachments as $attach)
			{
				$mail->AddAttachment($attach['tmp_name'], $attach['name'], "base64", $this->get_file_type($attach['name']));  // optional name
				$total_uploaded_size = $total_uploaded_size + $attach['size'];
			}
			if( $total_uploaded_size > $upload_max_filesize)
				return $this->parse_error("message file too big");
		}
		else if(($params['is_local_forward']=="1") && (count($local_attachments))) { //Caso seja forward de mensagens locais

			$total_uploaded_size = 0;
			$upload_max_filesize = str_replace("M","",ini_get('upload_max_filesize')) * 1024 * 1024;
			foreach($local_attachments as $local_attachment) {
				$file_description = unserialize(rawurldecode($local_attachment));
				$tmp = array_values($file_description);
				foreach($file_description as $i => $descriptor){
					$tmp[$i]  = eregi_replace('\'*\'','',$descriptor);
				}
				$mail->AddAttachment($_FILES[$tmp[1]]['tmp_name'], $tmp[2], "base64", $this->get_file_type($tmp[2]));  // optional name
				$total_uploaded_size = $total_uploaded_size + $_FILES[$tmp[1]]['size'];
			}
			if( $total_uploaded_size > $upload_max_filesize)
				return 'false';
		}
////////////////////////////////////////////////////////////////////////////////////////////////////
		//	Build Forwarding Attachments!!!
		if (count($forwarding_attachments) > 0)
		{
			// Bug fixed for array_search function
			$name_cid_files = array(); 
			if(count($name_cid_files) > 0) {
				$name_cid_files[count($name_cid_files)] = $name_cid_files[0];
				$name_cid_files[0] = null;
			}

			foreach($forwarding_attachments as $forwarding_attachment)
			{
					$file_description = unserialize(rawurldecode($forwarding_attachment));
					$tmp = array_values($file_description);
					foreach($file_description as $i => $descriptor){
						$tmp[$i]  = eregi_replace('\'*\'','',$descriptor);
					}
					$file_description = $tmp;
					$fileContent = $this->get_forwarding_attachment($file_description[0], $file_description[1], $file_description[3],$file_description[4]);
					$fileName = $file_description[2];
					if(!array_search(trim($fileName),$name_cid_files)) {
						$mail->AddStringAttachment($fileContent, $fileName, $file_description[4], $this->get_file_type($file_description[2]));
				}
			}
		}

////////////////////////////////////////////////////////////////////////////////////////////////////
		// Important message
		if($is_important)
			$mail->isImportant();

////////////////////////////////////////////////////////////////////////////////////////////////////
		// Disposition-Notification-To
		if ($return_receipt)
			$mail->ConfirmReadingTo = $_SESSION['phpgw_info']['expressomail']['user']['email'];
////////////////////////////////////////////////////////////////////////////////////////////////////

		$sent = $mail->Send();

		if(!$sent)
		{
   			return $this->parse_error($mail->ErrorInfo);
		}
		else
		{
            if ($signed && !$params['smime'])
			{
				return $sent;
			}
			if($_SESSION['phpgw_info']['server']['expressomail']['expressoMail_enable_log_messages'] == "True")
			{
				$userid = $_SESSION['phpgw_info']['expressomail']['user']['userid'];
				$userip = $_SESSION['phpgw_info']['expressomail']['user']['session_ip'];
				$now = date("d/m/y H:i:s");
				$addrs = $toaddress.$ccaddress.$ccoaddress;
				$sent = trim($sent);
   				error_log("$now - $userip - $sent [$subject] - $userid => $addrs\r\n", 3, "/home/expressolivre/mail_senders.log");
			}
			if($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['number_of_contacts'] &&
		   	   $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['use_dynamic_contacts']) {
				$contacts = new dynamic_contacts();
				$new_contacts = $contacts->add_dynamic_contacts($toaddress.",".$ccaddress.",".$ccoaddress);
				return array("success" => true, "new_contacts" => $new_contacts);
			}
   			return array("success" => true);
		}
	}
	function buildEmbeddedImages(&$mail,$msg_uid,&$forwarding_attachments) 
	{ 
		//      Build CID for embedded Images!!! 
		$pattern = '/src="([^"]*?show_embedded_attach.php\?msg_folder=(.+)?&(amp;)?msg_num=(.+)?&(amp;)?msg_part=(.+)?)"/isU'; 
		$cid_imgs = ''; 
		preg_match_all($pattern,$mail->Body,$cid_imgs,PREG_PATTERN_ORDER); 
		$cid_array = array(); 
		foreach($cid_imgs[6] as $j => $val){ 
			if ( !array_key_exists($cid_imgs[4][$j].$val, $cid_array) ) 
			{ 
				$cid_array[$cid_imgs[4][$j].$val] = base_convert(microtime(), 10, 36); 
			} 
			$cid = $cid_array[$cid_imgs[4][$j].$val];  
			$mail->Body = str_replace($cid_imgs[1][$j], "cid:".$cid, $mail->Body); 

			if ($msg_uid != $cid_imgs[4][$j]) // The image is not in the same mail? 
			{ 
				$fileContent = $this->get_forwarding_attachment($cid_imgs[2][$j], $cid_imgs[4][$j], $cid_imgs[6][$j], 'base64'); 
				//prototype: get_forwarding_attachment ( folder, msg number, part, encoding) 
				$fileName = "image_".($j).".jpg"; 
				$fileCode = "base64"; 
				$fileType = "image/jpg"; 
				$file_attached[0] = $cid_imgs[2][$j]; 
				$file_attached[1] = $cid_imgs[4][$j]; 
				$file_attached[2] = $fileName; 
				$file_attached[3] = $cid_imgs[6][$j]; 
				$file_attached[4] = 'base64'; 
				$file_attached[5] = strlen($fileContent); //Size of file 
				$return_forward[] = $file_attached; 

				$attachment_ = unserialize(rawurldecode($forwarding_attachments[$cid_imgs[6][$j]-2])); 
				if ($file_attached[3] == $attachment_[3]) 
					unset($forwarding_attachments[$cid_imgs[6][$j]-2]); 	
			} 
			else 
			{ 
				$attach_img = $forwarding_attachments[$cid_imgs[6][$j]-2]; 
				$file_description = unserialize(rawurldecode($attach_img)); 
				if (is_array($file_description)) 
					foreach($file_description as $i => $descriptor){                                 
						$file_description[$i]  = eregi_replace('\'*\'','',$descriptor); 
					} 
				$fileContent = $this->get_forwarding_attachment($file_description[0], $msg_uid, $file_description[3], 'base64'); 
				$fileName = $file_description[2]; 
				$fileCode = $file_description[4]; 
				$fileType = $this->get_file_type($file_description[2]); 
				unset($forwarding_attachments[$cid_imgs[6][$j]-2]); 
				if (!empty($file_description)) 
				{ 
					$file_description[5] = strlen($fileContent); //Size of file 
					$return_forward[] = $file_description; 
				} 
			} 
			$tempDir = ini_get("session.save_path"); 
			$file = "cidimage_".$_SESSION[ 'phpgw_session' ][ 'session_id' ].$cid_imgs[6][$j].".dat";                                        
			$f = fopen($tempDir.'/'.$file,"w"); 
			fputs($f,$fileContent); 
			fclose($f); 
			if ($fileContent) 
				$mail->AddEmbeddedImage($tempDir.'/'.$file, $cid, $fileName, $fileCode, $fileType); 
			//else 
			//      return "Error loading image attachment content";                                                 

		} 
		return $return_forward; 
	} 
	function add_recipients_cert($full_address)
	{
		$result = "";
		$parse_address = imap_rfc822_parse_adrlist($full_address, "");
		foreach ($parse_address as $val)
		{
			//echo "<script language=\"javascript\">javascript:alert('".$val->mailbox."@".$val->host."');</script>";
			if ($val->mailbox == "INVALID_ADDRESS")
				continue;
			if ($val->mailbox == "UNEXPECTED_DATA_AFTER_ADDRESS")
				continue;
			if (empty($val->personal))
				$result .= $val->mailbox."@".$val->host . ",";
			else
				$result .= $val->mailbox."@".$val->host . ",";
		}

		return substr($result,0,-1);
	}

	function add_recipients($recipient_type, $full_address, $mail)
	{
		$parse_address = imap_rfc822_parse_adrlist($full_address, "");
		foreach ($parse_address as $val)
		{
			//echo "<script language=\"javascript\">javascript:alert('".$val->mailbox."@".$val->host."');</script>";
			if ($val->mailbox == "INVALID_ADDRESS")
				continue;

			if (empty($val->personal))
			{
				switch($recipient_type)
				{
					case "to":
						$mail->AddAddress($val->mailbox."@".$val->host);
						break;
					case "cc":
						$mail->AddCC($val->mailbox."@".$val->host);
						break;
					case "cco":
						$mail->AddBCC($val->mailbox."@".$val->host);
						break;
				}
			}
			else
			{
				switch($recipient_type)
				{
					case "to":
						$mail->AddAddress($val->mailbox."@".$val->host, $val->personal);
						break;
					case "cc":
						$mail->AddCC($val->mailbox."@".$val->host, $val->personal);
						break;
					case "cco":
						$mail->AddBCC($val->mailbox."@".$val->host, $val->personal);
						break;
				}
			}
		}
		return true;
	}

	function get_forwarding_attachment($msg_folder, $msg_number, $msg_part, $encoding)
	{
		$mbox_stream = $this->open_mbox(utf8_decode(urldecode($msg_folder)));
		$fileContent = imap_fetchbody($mbox_stream, $msg_number, $msg_part, FT_UID);
		if($encoding == 'base64')
			# The function imap_base64 adds a new line
			# at ASCII text, with CRLF line terminators.
			# So is being exchanged for base64_decode.
			#
			#$fileContent = imap_base64($fileContent);
			$fileContent = base64_decode($fileContent);
		else if($encoding == 'quoted-printable')
			$fileContent = quoted_printable_decode($fileContent);
		return $fileContent;
	}

	function del_last_caracter($string)
	{
		$string = substr($string,0,(strlen($string) - 1));
		return $string;
	}

	function del_last_two_caracters($string)
	{
		$string = substr($string,0,(strlen($string) - 2));
		return $string;
	}

	function messages_sort($sort_box_type,$sort_box_reverse, $search_box_type,$offsetBegin,$offsetEnd)
	{
		if ($sort_box_type != "SORTFROM" && $search_box_type!= "FLAGGED"){
			$imapsort = imap_sort($this->mbox,constant($sort_box_type),$sort_box_reverse,SE_UID,$search_box_type);
			foreach($imapsort as $iuid)
				$sort[$iuid] = "";
			
			if ($offsetBegin == -1 && $offsetEnd ==-1 )
				$slice_array = false;
			else
				$slice_array = true;
		}
		else
		{
			$sort = array();
			if ($offsetBegin > $offsetEnd) {$temp=$offsetEnd; $offsetEnd=$offsetBegin; $offsetBegin=$temp;}
			$num_msgs = imap_num_msg($this->mbox);
			if ($offsetEnd >  $num_msgs) {$offsetEnd = $num_msgs;}
			$slice_array = true;

			for ($i=$num_msgs; $i>0; $i--)
			{
				if ($sort_box_type == "SORTARRIVAL" && $sort_box_reverse && count($sort) >= $offsetEnd)
					break;
				$iuid = @imap_uid($this->mbox,$i);
				$header = $this->get_header($iuid);
				// List UNSEEN messages.
				if($search_box_type == "UNSEEN" &&  (!trim($header->Recent) && !trim($header->Unseen))){
					continue;
				}
				// List SEEN messages.
				elseif($search_box_type == "SEEN" && (trim($header->Recent) || trim($header->Unseen))){
					continue;
				}
				// List ANSWERED messages.
				elseif($search_box_type == "ANSWERED" && !trim($header->Answered)){
					continue;
				}
				// List FLAGGED messages.
				elseif($search_box_type == "FLAGGED" && !trim($header->Flagged)){
					continue;
				}

				if($sort_box_type=='SORTFROM') {
					if (($header->from[0]->mailbox . "@" . $header->from[0]->host) == $_SESSION['phpgw_info']['expressomail']['user']['email'])
						$from = $header->to;
					else
						$from = $header->from;

					$tmp = imap_mime_header_decode($from[0]->personal);

					if ($tmp[0]->text != "")
						$sort[$iuid] = $tmp[0]->text;
					else
						$sort[$iuid] = $from[0]->mailbox . "@" . $from[0]->host;
				}
				else if($sort_box_type=='SORTSUBJECT') {
					$sort[$iuid] = $header->subject;
				}
				else if($sort_box_type=='SORTSIZE') {
					$sort[$iuid] = $header->Size;
				}
				else {
					$sort[$iuid] = $header->udate;
				}

			}
			natcasesort($sort);

			if ($sort_box_reverse)
				$sort = array_reverse($sort,true);
		}

		if(!is_array($sort))
			$sort = array();


		if ($slice_array)
			$sort = array_slice($sort,$offsetBegin-1,$offsetEnd-($offsetBegin-1),true);


		return $sort;

	}


	function move_search_messages($params){
		$params['selected_messages'] = urldecode($params['selected_messages']);
		$params['new_folder'] = urldecode($params['new_folder']);
		$params['new_folder_name'] = urldecode($params['new_folder_name']);
		$sel_msgs = explode(",", $params['selected_messages']);
		@reset($sel_msgs);
		$sorted_msgs = array();
		foreach($sel_msgs as $idx => $sel_msg) {
			$sel_msg = explode(";", $sel_msg);
			 if(array_key_exists($sel_msg[0], $sorted_msgs)){
			 	$sorted_msgs[$sel_msg[0]] .= ",".$sel_msg[1];
			 }
			 else {
				$sorted_msgs[$sel_msg[0]] = $sel_msg[1];
			 }
		}
		@ksort($sorted_msgs);
		$last_return = false;
		foreach($sorted_msgs as $folder => $msgs_number) {
			$params['msgs_number'] = $msgs_number;
			$params['folder'] = $folder;
			if($params['new_folder'] && $folder != $params['new_folder']){
				$last_return = $this -> move_messages($params);
			}
			elseif(!$params['new_folder'] || $params['delete'] ){
				$last_return = $this -> delete_msgs($params);
				$last_return['deleted'] = true;
			}
		}
		return $last_return;
	}

	function move_messages($params)
	{
		$folder = $params['folder'];
		$mbox_stream = $this->open_mbox($folder);
		$newmailbox = ($params['new_folder']);
		$newmailbox = mb_convert_encoding($newmailbox, "UTF7-IMAP","ISO_8859-1");
		$new_folder_name = $params['new_folder_name'];
		$msgs_number = $params['msgs_number'];
		$return = array('msgs_number' => $msgs_number,
						'folder' => $folder,
						'new_folder_name' => $new_folder_name,
						'border_ID' => $params['border_ID'],
						'status' => true); //Status foi adicionado para validar as permissoes ACL

		//Este bloco tem a finalidade de averiguar as permissoes para pastas compartilhadas
        if (substr($folder,0,4) == 'user'){
        	$acl = $this->getacltouser($folder);
        	/*
        	 *   l - lookup (mailbox is visible to LIST/LSUB commands)
        	 *   r - read (SELECT the mailbox, perform CHECK, FETCH, PARTIAL, SEARCH, COPY from mailbox)
        	 *   s - keep seen/unseen information across sessions (STORE SEEN flag)
        	 *   w - write (STORE flags other than SEEN and DELETED)
        	 *   i - insert (perform APPEND, COPY into mailbox)
        	 *   p - post (send mail to submission address for mailbox, not enforced by IMAP4 itself)
        	 *   c - create (CREATE new sub-mailboxes in any implementation-defined hierarchy)
        	 *   d - delete (STORE DELETED flag, perform EXPUNGE)
        	 *   a - administer (perform SETACL)
			*/
			if (strpos($acl, "d") === false){
				$return['status'] = false;
				return $return;
			}
        }
        //Este bloco tem a finalidade de transformar o CPF das pastas compartilhadas em common name
        if ($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['uid2cn']){
            if (substr($new_folder_name,0,4) == 'user'){
                $this->ldap = new ldap_functions();
                $tmp_folder_name = explode($this->imap_delimiter, $new_folder_name);
                $return['new_folder_name'] = array_pop($tmp_folder_name);
                if( $cn = $this->ldap->uid2cn($return['new_folder_name']))
                {
                    $return['new_folder_name'] = $cn;
                }
            }
        }

		// Caso estejamos no box principal, nao eh necessario pegar a informacao da mensagem anterior.
		if (($params['get_previous_msg']) && ($params['border_ID'] != 'null') && ($params['border_ID'] != ''))
		{
			$return['previous_msg'] = $this->get_info_previous_msg($params);
			// Fix problem in unserialize function JS.
			$return['previous_msg']['body'] = str_replace(array('{','}'), array('&#123;','&#125;'), $return['previous_msg']['body']);
		}

		$mbox_stream = $this->open_mbox($folder);
		if(imap_mail_move($mbox_stream, $msgs_number, $newmailbox, CP_UID)) {
			imap_expunge($mbox_stream);
			if($mbox_stream)
				imap_close($mbox_stream);
			return $return;
		}else {
			if(strstr(imap_last_error(),'Over quota')) {
				$accountID	= $_SESSION['phpgw_info']['expressomail']['email_server']['imapAdminUsername'];
				$pass		= $_SESSION['phpgw_info']['expressomail']['email_server']['imapAdminPW'];
				$userID 	= $_SESSION['phpgw_info']['expressomail']['user']['userid'];
				$server 	= $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
				$mbox		= @imap_open("{".$this->imap_server.":".$this->imap_port.$this->imap_options."}INBOX", $accountID, $pass) or die(serialize(array('imap_error' => $this->parse_error(imap_last_error()))));
				if(!$mbox)
					return imap_last_error();
				$quota 	= imap_get_quotaroot($mbox_stream, "INBOX");
				if(! imap_set_quota($mbox, "user".$this->imap_delimiter.$userID, 2.1 * $quota['usage'])) {
					if($mbox_stream)
						imap_close($mbox_stream);
					if($mbox)
						imap_close($mbox);
					return "move_messages(): Error setting quota for MOVE or DELETE!! ". "user".$this->imap_delimiter.$userID." line ".__LINE__."\n";
				}
				if(imap_mail_move($mbox_stream, $msgs_number, $newmailbox, CP_UID)) {
					imap_expunge($mbox_stream);
					if($mbox_stream)
						imap_close($mbox_stream);
					// return to original quota limit.
					if(!imap_set_quota($mbox, "user".$this->imap_delimiter.$userID, $quota['limit'])) {
						if($mbox)
							imap_close($mbox);
						return "move_messages(): Error setting quota for MOVE or DELETE!! line ".__LINE__."\n";
					}
					return $return;
				}
				else {
					if($mbox_stream)
						imap_close($mbox_stream);
					if(!imap_set_quota($mbox, "user".$this->imap_delimiter.$userID, $quota['limit'])) {
						if($mbox)
							imap_close($mbox);
						return "move_messages(): Error setting quota for MOVE or DELETE!! line ".__LINE__."\n";
					}
					return imap_last_error();
				}

			}
			else {
				if($mbox_stream)
					imap_close($mbox_stream);
				return "move_messages() line ".__LINE__.": ". imap_last_error()." folder:".$newmailbox;
			}
		}
	}

	function save_msg($params)
	{

		include_once("class.phpmailer.php");
		$mail = new PHPMailer();
		include_once("class.db_functions.inc.php");
		$toaddress = $params['input_to'];
		$ccaddress = $params['input_cc'];
                $ccoaddress = $params['input_cco'];
		$subject = $params['input_subject'];
		$msg_uid = $params['msg_id'];
		$body = $params['body'];
		$body = str_replace("%nbsp;","&nbsp;",$params['body']);
		$body = preg_replace("/\n/"," ",$body);
		$body = preg_replace("/\r/","",$body);
		$forwarding_attachments = $params['forwarding_attachments'];
		$attachments = $params['FILES'];
		$return_files = $params['FILES'];

		$folder = $params['folder'];
		$folder = mb_convert_encoding($folder, "UTF7-IMAP","ISO_8859-1");
		// Fix problem with cyrus delimiter changes.
		// Dots in names: enabled/disabled.
		$folder = @eregi_replace("INBOX/", "INBOX".$this->imap_delimiter, $folder);
		$folder = @eregi_replace("INBOX.", "INBOX".$this->imap_delimiter, $folder);
		// End Fix.
                if(strtoupper($folder) == 'INBOX/DRAFTS')
                    {
                        $mail->SaveMessageAsDraft = $folder;
                    }
		$mail->SaveMessageInFolder = $folder;
		$mail->SMTPDebug = false;

		$mail->IsSMTP();
		$mail->Host = $_SESSION['phpgw_info']['expressomail']['email_server']['smtpServer'];
		$mail->Port = $_SESSION['phpgw_info']['expressomail']['email_server']['smtpPort'];
		$mail->From = $_SESSION['phpgw_info']['expressomail']['user']['email'];
		$mail->FromName = $_SESSION['phpgw_info']['expressomail']['user']['fullname'];

		$mail->Sender = $mail->From;
		$mail->SenderName = $mail->FromName;
		$mail->FromName = $_SESSION['phpgw_info']['expressomail']['user']['fullname'];
		$mail->From =  $_SESSION['phpgw_info']['expressomail']['user']['email'];

		$this->add_recipients("to", $toaddress, &$mail);
		$this->add_recipients("cc", $ccaddress, &$mail);
                $this->add_recipients("cco", $ccoaddress, &$mail);
		$mail->Subject = $subject;
		$mail->IsHTML(true);
		$mail->Body = $body;

		$return_forward = $this->buildEmbeddedImages($mail,$msg_uid,$forwarding_attachments); 

	//	Build Forwarding Attachments!!!
		if (count($forwarding_attachments) > 0)
		{
			foreach($forwarding_attachments as $forwarding_attachment)
			{
				$file_description = unserialize(rawurldecode($forwarding_attachment));
				$tmp = array_values($file_description);
				foreach($file_description as $i => $descriptor){
					$tmp[$i]  = eregi_replace('\'*\'','',$descriptor);
				}
				$file_description = $tmp;

				$fileContent = $this->get_forwarding_attachment($file_description[0], $file_description[1], $file_description[3],$file_description[4]);
				$fileName = $file_description[2];

				$file_description[5] = strlen($fileContent); //Size of file
				$return_forward[] = $file_description;

					$mail->AddStringAttachment($fileContent, $fileName, $file_description[4], $this->get_file_type($file_description[2]));
			}
		}

		if ((count($return_forward) > 0) && (count($return_files) > 0))
			$return_files = array_merge_recursive($return_forward,$return_files);
		else
			if (count($return_files) < 1)
				$return_files = $return_forward;

		//	Build Uploading Attachments!!!
		$sizeof_attachments = count($attachments);
		if ($sizeof_attachments)
			foreach ($attachments as $numb => $attach){
				if ($numb == ($sizeof_attachments-1) && $params['insertImg'] == 'true'){ // Auto-resize image
					list($width, $height,$image_type) = getimagesize($attach['tmp_name']);
					switch ($image_type)
					{
					// Do not corrupt animated gif
					//case 1: $image_big = imagecreatefromgif($attach['tmp_name']);break;
					case 2: $image_big = imagecreatefromjpeg($attach['tmp_name']);  break;
					case 3: $image_big = imagecreatefrompng($attach['tmp_name']); break;
					case 6:
						require_once("gd_functions.php");
						$image_big = imagecreatefrombmp($attach['tmp_name']); break;
					default:
						$mail->AddAttachment($attach['tmp_name'], $attach['name'], "base64", $this->get_file_type($attach['name']));
						break;
					}
					header('Content-type: image/jpeg');
					$max_resolution = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['image_size'];
					$max_resolution = ($max_resolution==""?'65536':$max_resolution);
					if ($width < $max_resolution && $height < $max_resolution){
						$new_width = $width;
						$new_height = $height;
					}
					else if ($width > $max_resolution){
						$new_width = $max_resolution;
						$new_height = $height*($new_width/$width);
					}
					else {
						$new_height = $max_resolution;
						$new_width = $width*($new_height/$height);
					}
					$image_new = imagecreatetruecolor($new_width, $new_height);
					imagecopyresampled($image_new, $image_big, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
					$tmpDir = ini_get("session.save_path");
					$_file = "/cidimage_".$_SESSION[ 'phpgw_session' ][ 'session_id' ].".dat";
					imagejpeg($image_new,$tmpDir.$_file, 85);
					$mail->AddAttachment($tmpDir.$_file, $attach['name'], "base64", $this->get_file_type($tmpDir.$_file));
				}
				else
					$mail->AddAttachment($attach['tmp_name'], $attach['name'], "base64", $this->get_file_type($attach['name']));
				// optional name
				}


		if(!empty($mail->AltBody))
            $mail->ContentType = "multipart/alternative";

		$mail->error_count = 0; // reset errors
		$mail->SetMessageType();
		$header = $mail->CreateHeader();
		$body = $mail->CreateBody();

		$mbox_stream = $this->open_mbox($folder);
		$new_header = str_replace("\n", "\r\n", $header);
		$new_body = str_replace("\n", "\r\n", $body);
		$return['append'] = imap_append($mbox_stream, "{".$this->imap_server.":".$this->imap_port."}".$folder, $new_header . $new_body, "\\Seen \\Draft");
		$status = imap_status($mbox_stream, "{".$this->imap_server.":".$this->imap_port."}".$folder, SA_UIDNEXT);
		$return['msg_no'] = $status->uidnext - 1;
		$return['folder_id'] = $folder;

		if($mbox_stream)
			imap_close($mbox_stream);
		if (is_array($return_files))
			foreach ($return_files as $index => $_attachment) {
				if (array_key_exists("name",$_attachment)){
				unset($return_files[$index]);
				$return_files[$index] = $_attachment['name']."_SIZE_".$return_files[$index][1] = $_attachment['size'];
			}
			else
			{
				unset($return_files[$index]);
				$return_files[$index] = $_attachment[2]."_SIZE_". $return_files[$index][1] = $_attachment[5];
			}
		}

		$return['files'] = serialize($return_files);
		$return["subject"] = $subject;

		if (!$return['append'])
			$return['append'] = imap_last_error();

		return $return;
	}

	function set_messages_flag($params)
	{
		$folder = $params['folder'];
		$msgs_to_set = $params['msgs_to_set'];
		$flag = $params['flag'];
		$return = array();
		$return["msgs_to_set"] = $msgs_to_set;
		$return["flag"] = $flag;

		if(!$this->mbox && !is_resource($this->mbox))
			$this->mbox = $this->open_mbox($folder);

		if ($flag == "unseen")
			$return["status"] = imap_clearflag_full($this->mbox, $msgs_to_set, "\\Seen", ST_UID);
		elseif ($flag == "seen")
			$return["status"] = imap_setflag_full($this->mbox, $msgs_to_set, "\\Seen", ST_UID);
		elseif ($flag == "answered"){
			$return["status"] = imap_setflag_full($this->mbox, $msgs_to_set, "\\Answered", ST_UID);
			imap_clearflag_full($this->mbox, $msgs_to_set, "\\Draft", ST_UID);
		}
		elseif ($flag == "forwarded")
			$return["status"] = imap_setflag_full($this->mbox, $msgs_to_set, "\\Answered \\Draft", ST_UID);
		elseif ($flag == "flagged")
			$return["status"] = imap_setflag_full($this->mbox, $msgs_to_set, "\\Flagged", ST_UID);
		elseif ($flag == "unflagged") {
			$flag_importance = false;
			$msgs_number = explode(",",$msgs_to_set);
			$unflagged_msgs = "";
			foreach($msgs_number as $msg_number) {
				preg_match('/importance *: *(.*)\r/i',
					imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number))
					,$importance);
				if(strtolower($importance[1])=="high" && $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['use_important_flag']) {
					$flag_importance=true;
				}
				else {
					$unflagged_msgs.=$msg_number.",";
				}
			}

			if($unflagged_msgs!="") {
				imap_clearflag_full($this->mbox,substr($unflagged_msgs,0,strlen($unflagged_msgs)-1), "\\Flagged", ST_UID);
				$return["msgs_unflageds"] = substr($unflagged_msgs,0,strlen($unflagged_msgs)-1);
			}
			else {
				$return["msgs_unflageds"] = false;
			}

			if($flag_importance && $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['use_important_flag']) {
				$return["status"] = false;
				$return["msg"] = $this->functions->getLang("At least one of selected message cant be marked as normal");
			}
			else {
				$return["status"] = true;
			}
		}

		if($this->mbox && is_resource($this->mbox))
			imap_close($this->mbox);
		return $return;
	}

	function get_file_type($file_name)
	{
		$file_name = strtolower($file_name);
	   	$strFileType = strrev(substr(strrev($file_name),0,4));
	   	if ($strFileType == ".asf")
   			return "video/x-ms-asf";
	   	if ($strFileType == ".avi")
   			return "video/avi";
	   	if ($strFileType == ".doc")
   			return "application/msword";
	   	if ($strFileType == ".zip")
   			return "application/zip";
	   	if ($strFileType == ".xls")
   			return "application/vnd.ms-excel";
	   	if ($strFileType == ".gif")
   			return "image/gif";
	   	if ($strFileType == ".jpg" || $strFileType == "jpeg")
   			return "image/jpeg";
   		if ($strFileType == ".png")
   			return "image/png";
	   	if ($strFileType == ".wav")
   			return "audio/wav";
	   	if ($strFileType == ".mp3")
   			return "audio/mpeg3";
	   	if ($strFileType == ".mpg" || $strFileType == "mpeg")
   			return "video/mpeg";
	   	if ($strFileType == ".rtf")
   			return "application/rtf";
	   	if ($strFileType == ".htm" || $strFileType == "html")
   			return "text/html";
	   	if ($strFileType == ".xml")
   			return "text/xml";
	   	if ($strFileType == ".xsl")
   			return "text/xsl";
	   	if ($strFileType == ".css")
   			return "text/css";
	   	if ($strFileType == ".php")
   			return "text/php";
	   	if ($strFileType == ".asp")
   			return "text/asp";
	   	if ($strFileType == ".pdf")
   			return "application/pdf";
	   	if ($strFileType == ".txt")
   			return "text/plain";
	   	if ($strFileType == ".wmv")
   			return "video/x-ms-wmv";
		if ($strFileType == ".sxc")
			return "application/vnd.sun.xml.calc";
		if ($strFileType == ".stc")
			return "application/vnd.sun.xml.calc.template";
		if ($strFileType == ".sxd")
			return "application/vnd.sun.xml.draw";
		if ($strFileType == ".std")
			return "application/vnd.sun.xml.draw.template";
		if ($strFileType == ".sxi")
			return "application/vnd.sun.xml.impress";
		if ($strFileType == ".sti")
			return "application/vnd.sun.xml.impress.template";
		if ($strFileType == ".sxm")
			return "application/vnd.sun.xml.math";
		if ($strFileType == ".sxw")
			return "application/vnd.sun.xml.writer";
		if ($strFileType == ".sxq")
			return "application/vnd.sun.xml.writer.global";
		if ($strFileType == ".stw")
			return "application/vnd.sun.xml.writer.template";


   		return "application/octet-stream";
	}

	function htmlspecialchars_encode($str)
	{
		return  str_replace( array('&', '"','\'','<','>','{','}'), array('&amp;','&quot;','&#039;','&lt;','&gt;','&#123;','&#125;'), $str);
	}
	function htmlspecialchars_decode($str)
	{
		return  str_replace( array('&amp;','&quot;','&#039;','&lt;','&gt;','&#123;','&#125;'), array('&', '"','\'','<','>','{','}'), $str);
	}

	function get_msgs($folder, $sort_box_type, $search_box_type, $sort_box_reverse,$offsetBegin = 0,$offsetEnd = 0)
	{
		if(!$this->mbox || !is_resource($this->mbox))
			$this->mbox = $this->open_mbox($folder);

		return $this->messages_sort($sort_box_type,$sort_box_reverse, $search_box_type,$offsetBegin,$offsetEnd);
	}

	function get_info_next_msg($params)
	{
		$msg_number = $params['msg_number'];
		$folder = $params['msg_folder'];
		$sort_box_type = $params['sort_box_type'];
		$sort_box_reverse = $params['sort_box_reverse'];
		$reuse_border = $params['reuse_border'];
		$search_box_type = $params['search_box_type'] != "ALL" && $params['search_box_type'] != "" ? $params['search_box_type'] : false;
		$sort_array_msg = $this -> get_msgs($folder, $sort_box_type, $search_box_type, $sort_box_reverse);

		$success = false;
		if (is_array($sort_array_msg))
		{
			foreach ($sort_array_msg as $i => $value){
				if ($value == $msg_number)
				{
					$success = true;
					break;
				}
			}
		}

		if (! $success || $i >= sizeof($sort_array_msg)-1)
		{
			$params['status'] = 'false';
			$params['command_to_exec'] = "delete_border('". $reuse_border ."');";
			return $params;
		}

		$params = array();
		$params['msg_number'] = $sort_array_msg[($i+1)];
		$params['msg_folder'] = $folder;

		$return = $this->get_info_msg($params);
		$return["reuse_border"] = $reuse_border;
		return $return;
	}

	function get_info_previous_msg($params)
	{
		$msg_number = $params['msgs_number'];
		$folder = $params['folder'];
		$sort_box_type = $params['sort_box_type'];
		$sort_box_reverse = $params['sort_box_reverse'];
		$reuse_border = $params['reuse_border'];
		$search_box_type = $params['search_box_type'] != "ALL" && $params['search_box_type'] != "" ? $params['search_box_type'] : false;
		$sort_array_msg = $this -> get_msgs($folder, $sort_box_type, $search_box_type, $sort_box_reverse);

		$success = false;
		if (is_array($sort_array_msg))
		{
			foreach ($sort_array_msg as $i => $value){
				if ($value == $msg_number)
				{
					$success = true;
					break;
				}
			}
		}
		if (! $success || $i == 0)
		{
			$params['status'] = 'false';
			$params['command_to_exec'] = "delete_border('". $reuse_border ."');";
			return $params;
		}

		$params = array();
		$params['msg_number'] = $sort_array_msg[($i-1)];
		$params['msg_folder'] = $folder;

		$return = $this->get_info_msg($params);
		$return["reuse_border"] = $reuse_border;
		return $return;
	}

	// This function updates the values: quota, paging and new messages menu.
	function get_menu_values($params){
		$return_array = array();
		$return_array = $this->get_quota($params);

		$mbox_stream = $this->open_mbox($params['folder']);
		$return_array['num_msgs'] = imap_num_msg($mbox_stream);
		if($mbox_stream)
			imap_close($mbox_stream);

		return $return_array;
	}

	function get_quota($params){
		// folder_id = user/{uid} for shared folders
		if(substr($params['folder_id'],0,5) != 'INBOX' && preg_match('/user\\'.$this->imap_delimiter.'/i', $params['folder_id'])){
			$array_folder =  explode($this->imap_delimiter,$params['folder_id']);
			$folder_id = "user".$this->imap_delimiter.$array_folder[1];
		}
		// folder_id = INBOX for inbox folders
		else
			$folder_id = "INBOX";

		if(!$this->mbox || !is_resource($this->mbox))
			$this->mbox = $this->open_mbox();

		$quota = imap_get_quotaroot($this->mbox, $folder_id);
		if($this->mbox && is_resource($this->mbox))
			imap_close($this->mbox);

		if (!$quota){
			return array(
				'quota_percent' => 0,
				'quota_used' => 0,
				'quota_limit' =>  0
			);
		}

		if(count($quota) && $quota['limit']) {
			$quota_limit = $quota['limit'];
			$quota_used  = $quota['usage'];
			if($quota_used >= $quota_limit)
			{
				$quotaPercent = 100;
			}
			else
			{
			$quotaPercent = ($quota_used / $quota_limit)*100;
			$quotaPercent = (($quotaPercent)* 100 + .5 )* .01;
			}
			return array(
				'quota_percent' => floor($quotaPercent),
				'quota_used' => $quota_used,
				'quota_limit' =>  $quota_limit
			);
		}
		else
			return array();
	}

	function send_notification($params){
		include("../header.inc.php");
		require_once("class.phpmailer.php");
		$mail = new PHPMailer();

		$toaddress = $params['notificationto'];

		$subject = lang("Read receipt: %1",$params['subject']);
		$body = lang("Your message: %1",$params['subject']) . '<br>';
		$body .= lang("Received in: %1",$params['date']) . '<br>';
		$body .= lang("Has been read by: %1 &lt; %2 &gt; at %3", $_SESSION['phpgw_info']['expressomail']['user']['fullname'], $_SESSION['phpgw_info']['expressomail']['user']['email'], date("d/m/Y H:i"));
		$mail->SMTPDebug = false;
		$mail->IsSMTP();
		$mail->Host = $_SESSION['phpgw_info']['expressomail']['email_server']['smtpServer'];
		$mail->Port = $_SESSION['phpgw_info']['expressomail']['email_server']['smtpPort'];
		$mail->From = $_SESSION['phpgw_info']['expressomail']['user']['email'];
		$mail->FromName = $_SESSION['phpgw_info']['expressomail']['user']['fullname'];
		$mail->AddAddress($toaddress);
		$mail->Subject = $this->htmlspecialchars_decode($subject);

		$mail->IsHTML(true);
		$mail->Body = $body;

		if(!$mail->Send()){
   			return $mail->ErrorInfo;
		}
		else
   			return true;
	}

	function empty_folder($params)
	{
		$folder = 'INBOX' . $this->imap_delimiter . $_SESSION['phpgw_info']['expressomail']['email_server'][$params['clean_folder']];
		$mbox_stream = $this->open_mbox($folder);
		$return = imap_delete($mbox_stream,'1:*');
		if($mbox_stream)
			imap_close($mbox_stream, CL_EXPUNGE);
		return $return;
	}

	function search($params)
	{
		include("class.imap_attachment.inc.php");
		$imap_attachment = new imap_attachment();
		$criteria = $params['criteria'];
		$return = array();
		$folders = $this->get_folders_list();

		$j = 0;
		foreach($folders as $folder)
		{
			$mbox_stream = $this->open_mbox($folder);
			$messages = imap_search($mbox_stream, $criteria, SE_UID);

			if ($messages == '')
				continue;

			$i = 0;
			$return[$j] = array();
			$return[$j]['folder_name'] = $folder['name'];

			foreach($messages as $msg_number)
			{
				$header = $this->get_header($msg_number);
				if (!is_object($header))
					return false;

				$return[$j][$i]['msg_folder']	= $folder['name'];
				$return[$j][$i]['msg_number']	= $msg_number;
				$return[$j][$i]['Recent']		= $header->Recent;
				$return[$j][$i]['Unseen']		= $header->Unseen;
				$return[$j][$i]['Answered']	= $header->Answered;
				$return[$j][$i]['Deleted']		= $header->Deleted;
				$return[$j][$i]['Draft']		= $header->Draft;
				$return[$j][$i]['Flagged']		= $header->Flagged;

				$date_msg = gmdate("d/m/Y",$header->udate);
				if (gmdate("d/m/Y") == $date_msg)
					$return[$j][$i]['udate'] = gmdate("H:i",$header->udate);
				else
					$return[$j][$i]['udate'] = $date_msg;

				$fromaddress = imap_mime_header_decode($header->fromaddress);
				$return[$j][$i]['fromaddress'] = '';
				foreach ($fromaddress as $tmp)
					$return[$j][$i]['fromaddress'] .= $this->replace_maior_menor($tmp->text);

				$from = $header->from;
				$return[$j][$i]['from'] = array();
				$tmp = imap_mime_header_decode($from[0]->personal);
				$return[$j][$i]['from']['name'] = $tmp[0]->text;
				$return[$j][$i]['from']['email'] = $from[0]->mailbox . "@" . $from[0]->host;
				$return[$j][$i]['from']['full'] ='"' . $return[$j][$i]['from']['name'] . '" ' . '<' . $return[$j][$i]['from']['email'] . '>';

				$to = $header->to;
				$return[$j][$i]['to'] = array();
				$tmp = imap_mime_header_decode($to[0]->personal);
				$return[$j][$i]['to']['name'] = $tmp[0]->text;
				$return[$j][$i]['to']['email'] = $to[0]->mailbox . "@" . $to[0]->host;
				$return[$j][$i]['to']['full'] ='"' . $return[$i]['to']['name'] . '" ' . '<' . $return[$i]['to']['email'] . '>';

				$subject = imap_mime_header_decode($header->fetchsubject);
				$return[$j][$i]['subject'] = '';
				foreach ($subject as $tmp)
					$return[$j][$i]['subject'] .= $tmp->text;

				$return[$j][$i]['Size'] = $header->Size;
				$return[$j][$i]['reply_toaddress'] = $header->reply_toaddress;

				$return[$j][$i]['attachment'] = array();
				$return[$j][$i]['attachment'] = $imap_attachment->get_attachment_headerinfo($mbox_stream, $msg_number);

				$i++;
			}
			$j++;
			if($mbox_stream)
				imap_close($mbox_stream);
		}

		return $return;
	}
	
	
	function mobile_search($params)
	{
		include("class.imap_attachment.inc.php");
		$imap_attachment = new imap_attachment();
		$criterias = array ("TO","SUBJECT","FROM","CC");
		$return = array();
		$folders = $this->get_folders_list();
		$num_msgs = 0;
		                          
		foreach($folders as $id =>$folder)
		{
			if(strpos($folder['folder_id'],'user')===false && is_array($folder)) {
				foreach($criterias as $criteria_fixed)
	            {
	            	$_filter = $criteria_fixed . ' "'.$params['filter'].'"';
					$mbox_stream = $this->open_mbox($folder['folder_name']);
	
					$messages = imap_search($mbox_stream, $_filter, SE_UID);
					
					if ($messages == ''){
						if($mbox_stream)
							imap_close($mbox_stream);
						continue;	
					}
									
					foreach($messages as $msg_number)
					{					
						$temp = $this->get_info_head_msg($msg_number);
						if(!$temp)
							return false;
		
						$return[$num_msgs] = $temp;
						$num_msgs++;
					}
					$return['num_msgs'] = $num_msgs;
					
					if($mbox_stream)
						imap_close($mbox_stream);
				}
			}
				
		}
		return $return;
	}

	function delete_and_show_previous_message($params)
	{
		$return = $this->get_info_previous_msg($params);

		$params_tmp1 = array();
		$params_tmp1['msgs_to_delete'] = $params['msg_number'];
		$params_tmp1['folder'] = $params['msg_folder'];
		$return_tmp1 = $this->delete_msg($params_tmp1);

		$return['msg_number_deleted'] = $return_tmp1;

		return $return;
	}


	function automatic_trash_cleanness($params)
	{
		$before_date = date("m/d/Y", strtotime("-".$params['before_date']." day"));
		$criteria =  'BEFORE "'.$before_date.'"';
		$mbox_stream = $this->open_mbox('INBOX'.$this->imap_delimiter.$_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultTrashFolder']);
		// Free others requests 
                session_write_close(); 
		$messages = imap_search($mbox_stream, $criteria, SE_UID);
		if (is_array($messages)){
			foreach ($messages as $msg_number){
				imap_delete($mbox_stream, $msg_number, FT_UID);
			}
		}
		if($mbox_stream)
			imap_close($mbox_stream, CL_EXPUNGE);
		return $messages;
	}
// 	Fix the search problem with special characters!!!!
	function remove_accents($string) {
		return strtr($string,
	 	"?Ó??ó?Ý?úÁÀÃÂÄÇÉÈÊËÍÌ?ÎÏÑÕÔÓÒÖÚÙ?ÛÜ?áàãâäçéèêëíì?îïñóòõôöúù?ûüýÿ",
	 	"SOZsozYYuAAAAACEEEEIIIIINOOOOOUUUUUsaaaaaceeeeiiiiinooooouuuuuyy");
	}

        function make_search_date($date){

            $months = array(
                1   => 'jan',
                2   => 'feb',
                3   => 'mar',
                4   => 'apr',
                5   => 'may',
                6   => 'jun',
                7   => 'jul',
                8   => 'aug',
                9   => 'sep',
                10  => 'oct',
                11  => 'nov',
                12  => 'dec'
            );

            //TODO: Adaptar a data de acordo com o locale do sistema.
            list($day,$month,$year) = explode("/", $date);
            $search_date = $day."-".$months[intval($month)]."-".$year;
            return $search_date;

        }

	function search_msg($params = ''){
            $mbox_stream = "";
            if(strpos($params['condition'],"#")===false) { //local messages? It shouldn't be necessary, should it? FIXME
                    $search=false;
            }
            else {
                    $search = explode(",",$params['condition']);
	    }
	    $params['page'] = $params['page']*1;

	    if(is_array($search)){
		$search = array_unique($search); // Remove duplicated folders
                $search_criteria = '';
                $search_result_number = $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['search_result_number'];
                foreach($search as $tmp)
                {
                    $tmp1 = explode("##",$tmp);
                    $sum = 0;
                    $name_box = $tmp1[0];
                    unset($filter);
                    foreach($tmp1 as $index => $criteria)
                    {
                        if ($index != 0 && strlen($criteria) != 0)
                        {
                            $filter_array = explode("<=>",rawurldecode($criteria));
                            $filter .= " ".$filter_array[0];
                            if (strlen($filter_array[1]) != 0){
                                if (trim($filter_array[0]) != 'BEFORE' &&
                                    trim($filter_array[0]) != 'SINCE' &&
                                    trim($filter_array[0]) != 'ON')
                                {
                                    $filter .= '"'.$filter_array[1].'"';
                                }
                                else
                                    {
                                        $filter .= '"'.$this->make_search_date($filter_array[1]).'"';
                                    }
                            }
                        }
                    }
                    $name_box = mb_convert_encoding(utf8_decode($name_box), "UTF7-IMAP", "ISO_8859-1" );
                    $filter = $this->remove_accents($filter);
                    //Este bloco tem a finalidade de transformar o login (quando numerico) das pastas compartilhadas em common name
                    if ($_SESSION['phpgw_info']['user']['preferences']['expressoMail']['uid2cn'] && substr($name_box,0,4) == 'user')
                    {
                        $folder_name = explode($this->imap_delimiter,$name_box);
                        $this->ldap = new ldap_functions();
                        if ($cn = $this->ldap->uid2cn($folder_name[1]))
                        {
                            $folder_name[1] = $cn;
                        }
                        $folder_name = implode($this->imap_delimiter,$folder_name);
                    }
                    else
                    {
                        $folder_name = mb_convert_encoding(utf8_decode($name_box), "UTF7-IMAP", "ISO_8859-1" );
                    }

                    if(!is_resource($mbox_stream))
                    {
                        $mbox_stream = $this->open_mbox($name_box);
                    }
                    else
                        {
                            imap_reopen($mbox_stream, "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}".$name_box);
                        }

                    if (preg_match("/^.?\bALL\b/", $filter))
                    { // Quick Search, note: this ALL isn't the same ALL from imap_search

                        $all_criterias = array ("TO","SUBJECT","FROM","CC");
                        foreach($all_criterias as $criteria_fixed)
                        {
                            $_filter = $criteria_fixed . substr($filter,4);

                            $search_criteria = imap_search($mbox_stream, $_filter, SE_UID);

                            if(is_array($search_criteria))
                            {
                                foreach($search_criteria as $new_search)
                                {
				    $elem = $this->get_msg_detail($new_search,$name_box,$mbox_stream); 
				    $elem['boxname'] = mb_convert_encoding( $name_box, "ISO_8859-1", "UTF7-IMAP" ); 
				    $elem['uid'] = $new_search; 
				    $retorno[] = $elem; 
				}
			    }
                        }
                    }
                    else {
                        $search_criteria = imap_search($mbox_stream, $filter, SE_UID);
                        if( is_array( $search_criteria) )
                        {
                            foreach($search_criteria as $new_search)
			    {
				    $elem = $this->get_msg_detail($new_search,$name_box,$mbox_stream); 
				    $elem['boxname'] = mb_convert_encoding( $name_box, "ISO_8859-1", "UTF7-IMAP" ); 
				    $elem['uid'] = $new_search; 
				    $retorno[] = $elem;
                            }
                        }
		    }
                }
            }
            if($mbox_stream)
            {
                imap_close($mbox_stream);
	    }
	    $num_msgs = count($retorno);

	    /* Comparison functions, descendent is ascendent with parms inverted */
	    function SORTDATE($a, $b) { return ($a['udate'] < $b['udate']); }
	    function SORTDATE_REVERSE($b, $a) { return SORTDATE($a,$b); }

	    function SORTWHO($a, $b) { return (strtoupper($a['from']) > strtoupper($b['from'])); }
	    function SORTWHO_REVERSE($b, $a) { return SORTWHO($a,$b); }

	    function SORTSUBJECT($a, $b) { return (strtoupper($a['subject']) > strtoupper($b['subject'])); }
	    function SORTSUBJECT_REVERSE($b, $a) { return SORTSUBJECT($a,$b); }

	    function SORTBOX($a, $b) { return ($a['boxname'] > $b['boxname']); }
	    function SORTBOX_REVERSE($b, $a) { return SORTBOX($a,$b); }

	    function SORTSIZE($a, $b) { return ($a['size'] > $b['size']); }
	    function SORTSIZE_REVERSE($b, $a) { return SORTSIZE($a,$b); }

	    usort($retorno, $params['sort_type']);
	    $pageret = array_slice($retorno, $params['page'] * $this->prefs['max_email_per_page'], $this->prefs['max_email_per_page']);
	    $arrayRetorno['num_msgs'] =  $num_msgs;
	    $arrayRetorno['data'] =  $pageret;

            if ($pageret)
            {
                return $arrayRetorno;
            }
            else
            {
                return 'none';
            }
	}

	function get_msg_detail($uid_msg,$name_box, $mbox_stream )
	{
		$header = $this->get_header($uid_msg);
		require_once("class.imap_attachment.inc.php");
		$imap_attachment = new imap_attachment();
		$attachments =  $imap_attachment->get_attachment_headerinfo($mbox_stream, $uid_msg);
		$attachments = $attachments['number_attachments'] > 0?"T".$attachments['number_attachments']:"";
		$flag = $header->Unseen
			.$header->Recent
			.$header->Flagged
			.$header->Draft
			.$header->Answered
			.$header->Deleted
			.$attachments;


		$subject = $this->decode_string($header->fetchsubject);
		$from = $header->from[0]->mailbox;
		if($header->from[0]->personal != "")
			$from = $header->from[0]->personal;
		$ret_msg['from'] = $this->decode_string($from); 
		$ret_msg['subject'] = $subject; 
		$ret_msg['udate'] = $header ->udate; 
		$ret_msg['size'] = $header->Size; 
		$ret_msg['flag'] = $flag; 
		return $ret_msg;
	}
	function ob_array($the_object)
	{
	   $the_array=array();
	   if(!is_scalar($the_object))
	   {
	       foreach($the_object as $id => $object)
	       {
	           if(is_scalar($object))
	           {
	               $the_array[$id]=$object;
	           }
	           else
	           {
	               $the_array[$id]=$this->ob_array($object);
	           }
	       }
	       return $the_array;
	   }
	   else
	   {
	       return $the_object;
	   }
	}

	function getacl()
	{
		$this->ldap = new ldap_functions();

		$return = array();
		$mbox_stream = $this->open_mbox();
		$mbox_acl = imap_getacl($mbox_stream, 'INBOX');

		$i = 0;
		foreach ($mbox_acl as $user => $acl)
		{
			if ($user != $this->username)
			{
				$return[$i]['uid'] = $user;
				$return[$i]['cn'] = $this->ldap->uid2cn($user);
			}
			$i++;
		}
		return $return;
	}

	function setacl($params)
	{
		$old_users = $this->getacl();
		if (!count($old_users))
			$old_users = array();

		$tmp_array = array();
		foreach ($old_users as $index => $user_info)
		{
			$tmp_array[$index] = $user_info['uid'];
		}
		$old_users = $tmp_array;

		$users = unserialize($params['users']);
		if (!count($users))
			$users = array();

		//$add_share = array_diff($users, $old_users);
		$remove_share = array_diff($old_users, $users);

		$mbox_stream = $this->open_mbox();

		$serverString = "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}";
		$mailboxes_list = imap_getmailboxes($mbox_stream, $serverString, "user".$this->imap_delimiter.$this->username."*");

		/*if (count($add_share))
		{
			foreach ($add_share as $index=>$uid)
			{
		        if (is_array($mailboxes_list))
        		{
                	foreach ($mailboxes_list as $key => $val)
                	{
                        $folder = str_replace($serverString, "", imap_utf7_decode($val->name));
						imap_setacl ($mbox_stream, $folder, "$uid", "lrswipcda");
                	}
        		}
			}
		}*/

		if (count($remove_share))
		{
			foreach ($remove_share as $index=>$uid)
			{
		        if (is_array($mailboxes_list))
        		{
                	foreach ($mailboxes_list as $key => $val)
                	{
                        $folder = str_replace($serverString, "", imap_utf7_decode($val->name));
						imap_setacl ($mbox_stream, $folder, "$uid", "");
                	}
        		}
			}
		}

		return true;
	}

	function getaclfromuser($params)
	{
		$useracl = $params['user'];

		$return = array();
		$return[$useracl] = 'false';
		$mbox_stream = $this->open_mbox();
		$mbox_acl = imap_getacl($mbox_stream, 'INBOX');

		foreach ($mbox_acl as $user => $acl)
		{
			if (($user != $this->username) && ($user == $useracl))
			{
				$return[$user] = $acl;
			}
		}
		return $return;
	}

	function getacltouser($user)
	{
		$return = array();
		$mbox_stream = $this->open_mbox();
		//Alterado, antes era 'imap_getacl($mbox_stream, 'user'.$this->imap_delimiter.$user);
		//Afim de tratar as pastas compartilhadas, verificandos as permissoes de operacao sobre as mesmas
		//No caso de se tratar da caixa do proprio usuario logado, utiliza a sintaxe abaixo
		if(substr($user,0,4) != 'user')
		$mbox_acl = imap_getacl($mbox_stream, 'user'.$this->imap_delimiter.$user);
		else
		  $mbox_acl = imap_getacl($mbox_stream, $user);
		return $mbox_acl[$this->username];
	}


	function setaclfromuser($params)
	{
		$user = $params['user'];
		$acl = $params['acl'];

		$mbox_stream = $this->open_mbox();

		$serverString = "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}";
		$mailboxes_list = imap_getmailboxes($mbox_stream, $serverString, "user".$this->imap_delimiter.$this->username."*");

		if (is_array($mailboxes_list))
		{
			foreach ($mailboxes_list as $key => $val)
			{
				$folder = str_replace($serverString, "", imap_utf7_encode($val->name));
				$folder = str_replace("&-", "&", $folder);
				if (!imap_setacl ($mbox_stream, $folder, $user, $acl))
				{
					$return = imap_last_error();
				}
			}
		}
		if (isset($return))
			return $return;
		else
			return true;
	}

	function download_attachment($msg,$msgno)
	{
		$array_parts_attachments = array();
		//$array_parts_attachments['names'] = '';
		include_once("class.imap_attachment.inc.php");
		$imap_attachment = new imap_attachment();

		if (count($msg->fname[$msgno]) > 0)
		{
			$i = 0;
			foreach ($msg->fname[$msgno] as $index=>$fname)
			{
				$array_parts_attachments[$i]['pid'] = $msg->pid[$msgno][$index];
				$array_parts_attachments[$i]['name'] = $imap_attachment->flat_mime_decode($this->decode_string($fname));
				$array_parts_attachments[$i]['name'] = $array_parts_attachments[$i]['name'] ? $array_parts_attachments[$i]['name'] : "attachment.bin";
				$array_parts_attachments[$i]['encoding'] = $msg->encoding[$msgno][$index];
				//$array_parts_attachments['names'] .= $array_parts_attachments[$i]['name'] . ', ';
				$array_parts_attachments[$i]['fsize'] = $msg->fsize[$msgno][$index];
				$i++;
			}
		}
		//$array_parts_attachments['names'] = substr($array_parts_attachments['names'],0,(strlen($array_parts_attachments['names']) - 2));
		return $array_parts_attachments;
	}

	function spam($params)
	{
		$is_spam = $params['spam'];
		$folder = $params['folder'];
		$mbox_stream = $this->open_mbox($folder);
		$msgs_number = explode(',',$params['msgs_number']);

		foreach($msgs_number as $msg_number) {
			$imap_msg_number = imap_msgno($mbox_stream, $msg_number);
			$header = imap_fetchheader($mbox_stream, $imap_msg_number);
			$body = imap_body($mbox_stream, $imap_msg_number);
			$msg = $header . $body;
			$email = $_SESSION['phpgw_info']['expressomail']['user']['email'];
			$username = $this->username;
			strtok($email, '@');
			$domain = strtok('@');

			//Encontrar a assinatura do dspam no cabecalho
			$v = explode("\r\n", $header);
			foreach ($v as $linha){
				if (eregi("^Message-ID", $linha)) {
					$args = explode(" ", $linha);
					$msg_id = "'$args[1]'";
				} elseif (eregi("^X-DSPAM-Signature", $linha)) {
					$args = explode(" ",$linha);
					$signature = $args[1];
				}
			}

			// Seleciona qual comando a ser executado
			switch($is_spam){
				case 'true':  $cmd = $_SESSION['phpgw_info']['server']['expressomail']['expressoMail_command_for_spam']; break;
				case 'false': $cmd = $_SESSION['phpgw_info']['server']['expressomail']['expressoMail_command_for_ham']; break;
			}

			$tags = array('##EMAIL##', '##USERNAME##', '##DOMAIN##', '##SIGNATURE##', '##MSGID##');
			$cmd = str_replace($tags, array($email, $username, $domain, $signature, $msg_id), $cmd);
 			system($cmd);
		}
		imap_close($mbox_stream);
		return false;
	}
	function get_header($msg_number){
		$header = @imap_headerinfo($this->mbox, imap_msgno($this->mbox, $msg_number), 80, 255);
		if (!is_object($header))
			return false;
		// Prepare udate from mailDate (DateTime arrived with TZ) for fixing summertime problem.
		$pdate = date_parse($header->MailDate);
 		$header->udate +=  $pdate['zone']*(-60);

		if($header->Flagged != "F" && $_SESSION['phpgw_info']['user']['preferences']['expressoMail']['use_important_flag']) {
			$flag = preg_match('/importance *: *(.*)\r/i',
						imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number))
						,$importance);
			$header->Flagged = $flag==0?false:strtolower($importance[1])=="high"?"F":false;
		}

		return $header;
	}

//Por Bruno Costa(bruno.vieira-costa@serpro.gov.br - Insere emails no imap a partir do fonte do mesmo. Se o argumento timestamp for passado ele utiliza do script python
///expressoMail1_2/imap.py para inserir uma msg com o horário correto pois isso não é porssível com a função imap_append do php.

    function insert_email($source,$folder,$timestamp){
        $username = $_SESSION['phpgw_info']['expressomail']['user']['userid'];
        $password = $_SESSION['phpgw_info']['expressomail']['user']['passwd'];
        $imap_server = $_SESSION['phpgw_info']['expressomail']['email_server']['imapServer'];
        $imap_port 	= $_SESSION['phpgw_info']['expressomail']['email_server']['imapPort'];
        $imap_options = '/notls/novalidate-cert';
        $mbox_stream = imap_open("{".$imap_server.":".$imap_port.$imap_options."}".$folder, $username, $password);
        if(imap_last_error())
        {
            imap_createmailbox($mbox_stream,imap_utf7_encode("{".$imap_server."}".$folder));
       }
        if($timestamp){
            $tempDir = ini_get("session.save_path");
            $file = $tempDir."imap_".$_SESSION[ 'phpgw_session' ][ 'session_id' ];
    		$f = fopen($file,"w");
        	fputs($f,base64_encode($source));
            fclose($f);
            $command = "python ".$_SERVER['DOCUMENT_ROOT']."/expressoMail1_2/imap.py ".escapeshellarg($imap_server)." ".escapeshellarg($imap_port)." ".escapeshellarg($username)." ".escapeshellarg($password)." ".escapeshellarg($timestamp)." ".escapeshellarg($folder)." ".escapeshellarg($file);
            $return['command']=exec(escapeshellcmd($command));
        }else{
            $return['append'] = imap_append($mbox_stream, "{".$imap_server.":".$imap_port."}".$folder, $source, "\\Seen");
        }
        $status = imap_status($mbox_stream, "{".$this->imap_server.":".$this->imap_port."}".$folder, SA_UIDNEXT);
        $return['msg_no'] = $status->uidnext - 1;
		$return['error'] = imap_last_error();
        if($mbox_stream)
			imap_close($mbox_stream);
        return $return;

    }

    function show_decript($params){
        $source = $params['source'];
        //error_log("source: $source\nversao: " . PHP_VERSION, 3, '/tmp/teste.log');
        $source = str_replace(" ", "+", $source,$i);

        if (version_compare(PHP_VERSION, '5.2.0', '>=')){
            if(!$source = base64_decode($source,true))
                return "error ".$source."Espaços ".$i;

        }
        else {
            if(!$source = base64_decode($source))
                return "error ".$source."Espaços ".$i;
        }

        $insert = $this->insert_email($source,'INBOX'.$this->imap_delimiter.'decifradas');

		$get['msg_number'] = $insert['msg_no'];
		$get['msg_folder'] = 'INBOX'.$this->imap_delimiter.'decifradas';
		$return = $this->get_info_msg($get);
		$get['msg_number'] = $params['ID'];
		$get['msg_folder'] = $params['folder'];
		$tmp = $this->get_info_msg($get);
		if(!$tmp['status_get_msg_info'])
		{
			$return['msg_day']=$tmp['msg_day'];
			$return['msg_hour']=$tmp['msg_hour'];
			$return['fulldate']=$tmp['fulldate'];
			$return['smalldate']=$tmp['smalldate'];
		}
		else
		{
			$return['msg_day']='';
			$return['msg_hour']='';
			$return['fulldate']='';
			$return['smalldate']='';
		}
        $return['msg_no'] =$insert['msg_no'];
        $return['error'] = $insert['error'];
        $return['folder'] = $params['folder'];
        //$return['acls'] = $insert['acls'];
        $return['original_ID'] =  $params['ID'];

        return $return;

    }

//Por Bruno Costa(bruno.vieira-costa@serpro.gov.br - Trata fontes de emails enviados via POST para o servidor por um xmlhttprequest, as partes codificados com
//Base64 os "+" são substituidos por " " no envio e essa função arruma esse efeito.

    function treat_base64_from_post($source){
            $offset = 0;
            do
            {
                    if($inicio = strpos($source, 'Content-Transfer-Encoding: base64', $offset))
                    {
                            $inicio = strpos($source, "\n\r", $inicio);
                            $fim = strpos($source, '--', $inicio);
                            if(!$fim)
                                    $fim = strpos($source,"\n\r", $inicio);
                            $length = $fim-$inicio;
                            $parte = substr( $source,$inicio,$length-1);
                            $parte = str_replace(" ", "+", $parte);
                            $source = substr_replace($source, $parte, $inicio, $length-1);
                    }
                    if($offset > $inicio)
                    $offset=FALSE;
                    else
                    $offset = $inicio;
            }
            while($offset);
            return $source;
    }

//Por Bruno Costa(bruno.vieira-costa@serpro.gov.br - Recebe os fontes dos emails a serem desarquivados, separa e envia cada um para função insert_mail.

    function unarchive_mail($params)
    {
        $dest_folder = $params['folder'];
        $sources = explode("#@#@#@",$params['source']);
        $timestamps = explode("#@#@#@",$params['timestamp']);
        foreach($sources as $index=>$src) {
                        if($src!=""){
                                $source = $this->treat_base64_from_post($src);
                                $insert = $this->insert_email($source,$dest_folder,$timestamps[$index]);
                        }
                }
        return $insert;
    }

    function download_all_local_attachments($params)
    {
        $source = $params['source'];
        $source = $this->treat_base64_from_post($source);
        $insert = $this->insert_email($source,'INBOX'.$this->imap_delimiter.'decifradas');
        $exporteml = new ExportEml();
        $params['num_msg']=$insert['msg_no'];
        $params['folder']='INBOX'.$this->imap_delimiter.'decifradas';
        return $exporteml->download_all_attachments($params);
    }
    function get_quota_folders(){ 

	    // Additional Imap Class for not-implemented functions into PHP-IMAP extension. 
	    include_once("class.imapfp.inc.php");            
	    $imapfp = new imapfp(); 

	    if(!$imapfp->open($this->imap_server,$this->imap_port)) 
		    return $imapfp->get_error();             
	    if (!$imapfp->login( $this->username,$this->password )) 
		    return $imapfp->get_error(); 

	    $response_array = $imapfp->get_mailboxes_size(); 
	    if ($imapfp->error) 
		    return $imapfp->get_error(); 

	    $data = array(); 
	    $quota_root = $this->get_quota(array('folder_id' => "INBOX")); 
	    $data["quota_root"] = $quota_root; 

	    foreach ($response_array as $idx=>$line) { 
		    $line2 = str_replace('"', "", $line); 
		    $line2 = str_replace(" /vendor/cmu/cyrus-imapd/size (value.shared ",";",str_replace("* ANNOTATION ","",$line2)); 
		    list($folder,$size) = explode(";",$line2); 
		    $size = str_replace(")","",$size); 
		    $quotaPercent = (($size / 1048576) / $data["quota_root"]["quota_limit"])*100; 
		    if ($size < 1048576 && $size > 1024) 
			    $quota_used = round($size / 1024, 0).' Kb'; 
		    else if($size > 1024) 
			    $quota_used = round($size / (1024*1024), 1).' Mb'; 
		    else 
			    $quota_used = $size." b"; 
		    $folder = mb_convert_encoding($folder, "ISO_8859-1", "UTF7-IMAP"); 
		    if(!preg_match('/user\\'.$this->imap_delimiter.$this->username.'\\'.$this->imap_delimiter.'/i',$folder)){ 
			    $folder = $this->functions->getLang("Inbox"); 
		    } 
		    else 
			    $folder = preg_replace('/user\\'.$this->imap_delimiter.$this->username.'\\'.$this->imap_delimiter.'/i','', $folder); 

		    $data[$folder] = array("quota_percent" => sprintf("%.1f",round($quotaPercent,1)), "quota_used" => $quota_used); 
	    } 
	    $imapfp->close(); 
	    return $data; 
    }  
}
?>