<?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
	);

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

	function imap_functions (){
		$this->foldersLimit = 200; //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->has_cid = false;
		
		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)
	{
		$folder = mb_convert_encoding($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", ini_get('upload_max_filesize'),$this->functions->getLang('The size of this message has exceeded  the limit (%1B).'));			
		}
		elseif(strstr($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)
	{
		$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);				
		
		$return = array();
		$i = 0;
		$num_msgs = (is_array($sort_array_msg) ? count($sort_array_msg) : 0);
		if($num_msgs) { 
			for ($msg_range_begin; (($msg_range_begin <= $msg_range_end) && ($msg_range_begin <= $num_msgs)); $msg_range_begin++)
			{
				$msg_number = $sort_array_msg[$msg_range_begin-1];
				$temp = $this->get_info_head_msg($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();
		
		/*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.
		* Como as mensagens são renderizadas de X em X, não parece ter
		* perda considerável de performance.
		*/
		$flag = preg_match('/importance *: *(.*)\r/i',
					imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number))
					,$importance);		
		$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'] = $msg_number;
		//$return[$i]['msg_folder'] = $folder;
		
		$date_msg = gmdate("d/m/Y",$header->udate);
		if (date("d/m/Y") == $date_msg)
			$head_array['udate'] = gmdate("H:i",$header->udate);
		else
			$head_array['udate'] = $date_msg;
		
		$head_array['aux_date'] = $date_msg; //Auxiliar apenas para mensagens locais.
		
		$from = $header->from;
		$head_array['from'] = array();
		$tmp = imap_mime_header_decode($from[0]->personal);
		$head_array['from']['name'] = $this->decode_string($tmp[0]->text);
		$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();
		$tmp = imap_mime_header_decode($to[0]->personal);
		$head_array['to']['name'] = $this->decode_string($this->decode_string($tmp[0]->text));
		$head_array['to']['email'] = $this->decode_string($to[0]->mailbox) . "@" . $to[0]->host;
		if(!$head_array['to']['name'])
			$head_array['to']['name'] = $head_array['to']['email'];
		$head_array['subject'] = $this->decode_string($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))
		{
			$tmp = imap_mime_header_decode($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 = $elements[$i]->charset;
	   			$text =$elements[$i]->text;
	   			if(!strcasecmp($charset, "utf-8") ||
	       			!strcasecmp($charset, "utf-7"))	{
	     			$text = iconv($charset, "ISO-8859-1", $text);
	       		}
	   			$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();
		$errors = array();
		$invalid_format = false;
		$filename = $params['FILES'][0]['name'];
		$quota = imap_get_quotaroot($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);
			}
		}
		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 
		{
			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 $this->functions->getLang("The import was executed successfully.");			
		}
	}	
	/*
		Remove os anexos de uma mensagem. A estratégia para isso é criar uma mensagem nova sem os anexos, mantendo apenas
		a primeira parte do e-mail, que é o texto, sem anexos.
		O método considera que o email é multpart.
	*/
	function remove_attachments($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;
		$return["msg_num"] = $params["msg_num"];
		$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($head1[0]) == strtoupper("to")) || 
					(strtoupper($head1[0]) == strtoupper("from")) || 
					(strtoupper($head1[0]) == strtoupper("subject")) ||
					(strtoupper($head1[0]) == strtoupper("date")) )
				$header .= $head."\r\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]
							)					
					)); //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");
		}
	
		@imap_delete($this->mbox, imap_msgno($this->mbox, $params["msg_num"])); //Insere o novo e-mail sem anexos.
		@imap_expunge($this->mbox); //Deleta o e-mail com anexos
		
		return $return;
		
	}

/**
	 * 
	 * @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"]);
		$exporteml = new ExportEml();
		foreach($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));

		}

		return $return;
	}

	function get_info_msg($params)
	{
		$return = array();
		$msg_number = $params['msg_number'];
		$msg_folder = $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;
		}
		
		$all_header = explode("\n", imap_fetchheader($this->mbox, $msg_number, FT_UID));
		$return_get_body = $this->get_body_msg($msg_number, $msg_folder);
		
		//Substituição de links em email para abrir no próprio expresso
		$body = ereg_replace("<a[^>]*href=[\'\"]mailto:([^\"\']+)[\'\"]>([^<]+)</a>","<a href=\"javascript:new_message_to('\\1')\">\\2</a>",$return_get_body['body']);
		
		$return['body'] 		= $body;
		$return['attachments'] 	= $return_get_body['attachments'];
		$return['thumbs'] 		= $return_get_body['thumbs'];
		$return['signature']	= $return_get_body['signature'];
		
		foreach($all_header as $line) {
			if (eregi("^Disposition-Notification-To", $line)) {
				eregi("^([^:]*): (.*)", $line, &$arg);
				$return['DispositionNotificationTo'] = $arg[2];
			}
		}
		$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;
		$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();
		$tmp = imap_mime_header_decode($from[0]->personal);
		$return['from']['name'] = $this->decode_string($tmp[0]->text);
		$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();
		$tmp = imap_mime_header_decode($sender[0]->personal);
		$return['sender']['name'] = $this->decode_string($tmp[0]->text);
		$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_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
		{
			$attachment = array(); //No attachments
			
			$content = '';
			if (strtolower($msg->structure[$msg_number]->subtype) == "plain")
			{
				$content .= nl2br($this->decodeBody((imap_body($this->mbox, $msg_number, FT_UID)), $msg->encoding[$msg_number][0], $msg->charset[$msg_number][0]));
			}
			else if (strtolower($msg->structure[$msg_number]->subtype) == "html")
			{
				$content .= $this->decodeBody(imap_body($this->mbox, $msg_number, FT_UID), $msg->encoding[$msg_number][0], $msg->charset[$msg_number][0]);
			}
		}
		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")
					$has_multipart = false;
	
				if($file_type == "multipart/alternative")
					$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)) {
							$content .= nl2br(htmlentities($this->decodeBody(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values])));							
						}
					}
					// if HTML attachment file size > 300kb, then it will not expand.
					else if($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"){
					$content .= "<hr align='left' width='95%' style='border:1px solid #DCDCDC'>";
					$content .= nl2br($this->decodeBody(imap_fetchbody($this->mbox, $msg_number, $msg_part, FT_UID), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values]));						

				}
				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 => $attachment){
							if(strtolower($attachment['type']) == "delivery-status" ||
								strtolower($attachment['type']) == "rfc822" ||								
								strtolower($attachment['type']) == "rfc822-headers" ||
								strtolower($attachment['type']) == "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>".$this->decode_string($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>".$this->decode_string($obj->to[0]->mailbox."@".$obj->to[0]->host)."</td></tr>";
								$content .= !$obj->cc ? "</table><br>" :"<tr><td><b>".$this->functions->getLang("CC").":</b></td><td>".$this->decode_string($obj->cc[0]->mailbox."@".$obj->cc[0]->host)."</td></tr></table><br>";								
								$ix_part = 	strtolower($attachment['type']) == "delivery-status" ? 1 : 0;
								$content .= nl2br($this->decodeBody(imap_fetchbody($this->mbox, $msg_number, ($attachment['part_in_msg']+$ix_part).".1", FT_UID), $msg->encoding[$msg_number][$values], $msg->charset[$msg_number][$values]));								
								break;			
							}
						}
					}
				}
			}
			if($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);
    	}
    	/*else if ($encoding == '7bit') 
    	{
        	$body = quoted_printable_decode($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. 
		$body = @eregi_replace("POSITION: ABSOLUTE;","",$body);

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

		$body = $this-> replace_links($body);
		$blocked_tags = array();		
		foreach($tag_list as $index => $tag) {
			$new_body = eregi_replace("<$tag", "<!--$tag", $body);
			if($body != $new_body) {
				$blocked_tags[] = $tag;
			}
			$body = eregi_replace("</$tag>", "</$tag-->", $new_body);
		}
		// Malicious Code Remove
		$dirtyCodePattern = "/(<([\w]+)([^>]*)on(mouse(move|over|down|up)|load|blur|change|click|dblclick|focus|key(down|up|press)|select)=[\"'][^>\"']*[\"']([^>]*)>)(.*)(<\/\\2>)?/isU";
		preg_match_all($dirtyCodePattern,$body,$rest,PREG_PATTERN_ORDER);
		foreach($rest[0] as $i => $val)
			if (!(preg_match("/window\.open/i",$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);

		return  "<span>".$body;
	}

	function replace_links($body) {					
  		$matches = array();
		// Verify exception.
		@preg_match("/<a href=\"notes:\/\/\//",$body,$matches);
		// It no has exception,then open the link in new window.
		if(count($matches))
			return $body;
	
		$pattern = '/(?<=[\s|(<br>)|\n|\r|;])((http(s?):\/\/((?:[\w]\.?)+(?::[\d]+)?[:\/.\-~&=?%;@#,+\w]*))|((?:www?\.)(?:\w\.?)*(?::\d+)?[\:\/\w.\-~&=?%;@+]*))/i';
		$replacement = '<a href="http$3://$4$5" target="_blank">$1</a>';
		return preg_replace($pattern, $replacement, $body); 
		
		// Original
		//return preg_replace('/(?<=[\s|(<br>)|\n|\r|;])((http(s?):\/\/((?:[\w]\.?)+(?::[\d]+)?[\/.\-~&=?%;@#,+\w]*))|((?:www?\.)(?:\w\.?)*(?::\d+)?[\/\w.\-~&=?%;@+]*))/i', '<a href="http$3://$4$5" target="_blank">http$3://$4$5</a>', $body);
	}

	function get_signature($msg, $msg_number, $msg_folder)
	{ 
		foreach ($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 == 'application/x-pkcs7-signature' || $file_type == 'application/pkcs7-signature') 
				{
					$export_mail = new ExportEml();
					$params['folder'] = $msg_folder;
					$params['msgs_to_export'] = $msg_number;
				    $tempDir = ini_get("session.save_path");
					$cert_file = $tempDir."/certificate_".base_convert(microtime(), 10, 36).".crt";					
					$result = openssl_pkcs7_verify($export_mail->export_msg($params),PKCS7_NOVERIFY,$cert_file);
					if (file_exists($cert_file))
					{
						$handle = fopen ($cert_file,"r");
						$pemout = fread($handle,filesize($cert_file));
						fclose($handle);
						$cert=openssl_x509_parse($pemout);
						$temp = "\\nSigned by: ".$cert[subject][CN];
						$temp .= "\\nEmail Address: ".$cert[subject][emailAddress];
						$temp .= "\\nCertificate issued by: ".$cert[issuer][CN]."\\n";
					}
				    /* Message verified */
				    if ($result === true)
					    $sign = $temp;
				     else
					    $sign = "void";
				}
			}
		}
   		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].">";
	    			$href = "<a onMouseDown='save_image(event,this)' href='#".$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)
	{
		include_once("class.imap_attachment.inc.php");
		$imap_attachment = new imap_attachment();		
		$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;
		$sort_array_msg = $this -> get_msgs($folder, $sort_box_type, $search_box_type, $sort_box_reverse);

		if(!count($sort_array_msg))
			return array();
			
		$num_msgs = (count($sort_array_msg) - imap_num_recent($this->mbox));
		$msgs_in_the_client = explode(",", $msgs_existent);

		
		for ($msg_range_begin; (($msg_range_begin <= $msg_range_end) && ($msg_range_begin <= count($sort_array_msg))); $msg_range_begin++)
		{
			$msgs_in_the_server[] = $sort_array_msg[$msg_range_begin-1];
		}
		if ((count($msgs_in_the_server) < 1) && ($msg_range_begin != 0))
		{
			$range = $msg_range_end - $msg_range_begin;
			$msg_range_begin = $msg_range_begin - $range;
			$msg_range_end = $msg_range_end - $range;
			for ($msg_range_begin; (($msg_range_begin <= $msg_range_end) && ($msg_range_begin <= count($sort_array_msg))); $msg_range_begin++)
			{
				$msgs_in_the_server[] = $sort_array_msg[$msg_range_begin-1];
			}
		}
		
		$msg_to_insert  = array_diff($msgs_in_the_server, $msgs_in_the_client);
		$msg_to_delete = array_diff($msgs_in_the_client, $msgs_in_the_server);
		
		$msgs_to_exec = array();
		if ((count($msg_to_insert)) && ($msgs_existent))
		{
			foreach($msg_to_insert as $index => $msg_number)
			{
				if ($msgs_in_the_server[$index+1])
				{
					//$msgs_to_exec[$msg_number] = 'Inserir mensage numero ' . $msg_number . ' antes da ' . $msgs_in_the_server[$index+1];
					$msgs_to_exec[$msg_number] = 'box.insertBefore(new_msg, Element("'.$msgs_in_the_server[$index+1].'"));';
				}
				else
				{
					//$msgs_to_exec[$msg_number] = 'Inserir mensage numero ' . $msg_number . ' no final (append)';
					$msgs_to_exec[$msg_number] = 'box.appendChild(new_msg);';
				}
			}
			ksort($msgs_to_exec);
		}
		elseif(!$msgs_existent)
		{
			foreach($msgs_in_the_server as $index => $msg_number)
			{
				$msgs_to_exec[$msg_number] = 'box.appendChild(new_msg);';
			}
		}
		
		$return = array();
		$i = 0;
		foreach($msgs_to_exec as $msg_number => $command)
		{
			/*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.
			* Como na atualização são poucas as mensagens que devem ser renderizadas,
			* a perda em performance é insignificante.
			*/
			$flag = preg_match('/importance *: *(.*)\r/i',
					imap_fetchheader($this->mbox, imap_msgno($this->mbox, $msg_number))
					,$importance);		
			$return[$i]['Importance'] = $flag==0?"Normal":$importance[1];
			
			$header = $this->get_header($msg_number);
			if (!is_object($header))
				return false;
			
			$return[$i]['msg_number']	= $msg_number;
			$return[$i]['command']		= $command;
			
			$return[$i]['msg_folder']	= $folder;
			$return[$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;

			$date_msg = gmdate("d/m/Y",$header->udate);
			if (gmdate("d/m/Y") == $date_msg)
				$return[$i]['udate'] = gmdate("H:i",$header->udate);
			else
				$return[$i]['udate'] = $date_msg;
			
			$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();
			$return[$i]['attachment'] = $imap_attachment->get_attachment_headerinfo($this->mbox, $msg_number);
			$i++;
		}
		$return['new_msgs'] = imap_num_recent($this->mbox);
		$return['msgs_to_delete'] = $msg_to_delete;
		if($this->mbox && is_resource($this->mbox))
			imap_close($this->mbox);
		return $return;
	}

	function get_folders_list($params = null)
	{
		$mbox_stream = $this->open_mbox();		
		$serverString = "{".$this->imap_server.":".$this->imap_port.$this->imap_options."}";
		$folders_list = imap_getmailboxes($mbox_stream, $serverString, "*");
		$folders_list = array_slice($folders_list,0,$this->foldersLimit);

		$tmp = array();
		$result = array();
		
		if (is_array($folders_list)) {
  			reset($folders_list);
			
			$i = 0;
  			while (list($key, $val) = each($folders_list)) {
  				$status = imap_status($mbox_stream, $val->name, SA_UNSEEN);
  				$result[$i]['folder_unseen'] = $status->unseen;
			
  				//$tmp_folder_id = explode("}", imap_utf7_decode($val->name));
  				$tmp_folder_id = explode("}", mb_convert_encoding($val->name, "ISO_8859-1", "UTF7-IMAP" ));
  				$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 (is_numeric($result[$i]['folder_name']))	{
					$this->ldap = new ldap_functions();
					if ($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;

				$i++;				
  			}
		}
		
		foreach ($result as $folder_info)
		{
			$array_tmp[] = $folder_info['folder_id'];
		}
		
		natcasesort($array_tmp);
		
		foreach ($array_tmp as $key => $folder_id)
		{
			$result2[] = $result[$key];
		}
		
		$current_folder = "INBOX";
		if($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 = $this->open_mbox();
		//$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 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.";
		}
		
		//new_message_to backs to mailto: pattern
		$params['body'] = eregi_replace("<a href=\"javascript:new_message_to\('([^>]+)'\)\">[^>]+</a>","<a href='mailto:\\1'>\\1</a>",$params['body']);
		
		$toaddress = implode(',',$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'];
		$body = $params['body'];
		//echo "<script language=\"javascript\">javascript:alert('".$body."');</script>";
		$attachments = $params['FILES'];
		$forwarding_attachments = $params['forwarding_attachments'];
		$local_attachments = $params['local_attachments'];
		 
		$folder =$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;
				
		$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(true);
		$mail->Body = $params['body'];

////////////////////////////////////////////////////////////////////////////////////////////////////
		//	Build CID for embedded Images!!!
		$pattern = '/src="([^"]*?show_embedded_attach.php\?msg_folder=(.+)?&(amp;)?msg_num=(.+)?&(amp;)?msg_part=(.+)?)"/isU';
		$cid_imgs = '';
		$name_cid_files = array();
		preg_match_all($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 isn't in the same mail?
				{
					$fileContent = $this->get_forwarding_attachment($cid_imgs[2][$j], $cid_imgs[4][$j], $cid_imgs[6][$j], 'base64');
					$fileName = "image_".($j).".jpg";
					$fileCode = "base64";
					$fileType = "image/jpg";
				}
				else
				{
					$attach_img = $forwarding_attachments[$cid_imgs[6][$j]-2];
					$file_description = unserialize(rawurldecode($attach_img));

					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]);
				}
				$tempDir = ini_get("session.save_path");
				$file = "cid_image_".base_convert(microtime(), 10, 36).".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";						

		}
////////////////////////////////////////////////////////////////////////////////////////////////////
		//	Build Uploading Attachments!!!
		if ((count($attachments)) && ($params['is_local_forward']!="1")) //Caso seja forward normal...
		{
			$total_uploaded_size = 0;
			$upload_max_filesize = str_replace("M","",ini_get('upload_max_filesize')) * 1024 * 1024;
			foreach ($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
			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($_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 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 = $this->open_mbox($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)
	{
		$sort = array();
		$sort_uid = array();
		
		$num_msgs = imap_num_msg($this->mbox);
		for ($i=1; $i<=$num_msgs; $i++)
		{
			$header = $this->get_header(imap_uid($this->mbox,$i));
			// List UNSEEN messages.
			if($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 != "")
					$sort[$i] = $tmp[0]->text;
				else
					$sort[$i] = $from[0]->mailbox . "@" . $from[0]->host;
			}
			else if($sort_box_type=='SORTSUBJECT') {
				$sort[$i] = $header->subject;
			}
			else if($sort_box_type=='SORTSIZE') {
				$sort[$i] = $header->Size;
			}
			else {
				$sort[$i] = $header->udate;
			}
			
		}
		
		natcasesort($sort);
		
		foreach($sort as $index => $header_msg)
		{	
			$sort_uid[] = imap_uid($this->mbox, $index);
		}
		
		if ($sort_box_reverse)
			$sort_uid = array_reverse($sort_uid);
		
		return $sort_uid;

	}
	
	/**
	 * Deprecated
	 * 
	 * Replaced for the method messages_sort
	 */
	function imap_sortfrom($sort_box_reverse, $search_box_type)
	{
		$sortfrom = array();
		$sortfrom_uid = array();
		
		$num_msgs = imap_num_msg($this->mbox);
		for ($i=1; $i<=$num_msgs; $i++)
		{
			$header = $this->get_header(imap_uid($this->mbox,$i));
			// List UNSEEN messages.
			if($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 (($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 != "")
				$sortfrom[$i] = $tmp[0]->text;
			else
				$sortfrom[$i] = $from[0]->mailbox . "@" . $from[0]->host;
		}
		
		natcasesort($sortfrom);
		
		foreach($sortfrom as $index => $header_msg)
		{	
			$sortfrom_uid[] = imap_uid($this->mbox, $index);
		}
		
		if ($sort_box_reverse)
			$sortfrom_uid = array_reverse($sortfrom_uid);
		
		return $sortfrom_uid;
	}

	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 $return;
			}
        }
        //Este bloco tem a finalidade de transformar o CPF das pastas compartilhadas em common name
        if (substr($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 (is_numeric($return['new_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'];
		$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.
					
		$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);
		$mail->Subject = $subject;
		$mail->IsHTML(true);
		$mail->Body = $body;
		
		//	Build CID for embedded Images!!!
		$pattern = '/src="([^"]*?show_embedded_attach.php\?msg_folder=(.+)?&(amp;)?msg_num=(.+)?&(amp;)?msg_part=(.+)?)"/isU';
		$cid_imgs = '';
		$name_cid_files = array();
		preg_match_all($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 isn't 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;
				}
				else
				{
					$attach_img = $forwarding_attachments[$cid_imgs[6][$j]-2];
					$file_description = unserialize(rawurldecode($attach_img));
					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 = "cid_image_".base_convert(microtime(), 10, 36).".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";						

		}
	
	//	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!!!
		if (count($attachments))
			foreach ($attachments as $attach)
				$mail->AddAttachment($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();
        
       	if ($_SESSION['phpgw_info']['expressomail']['email_server']['imapTLSEncryption'] == 'yes')
		{
			$imap_options = '/tls/novalidate-cert';
		}
		else
		{
			$imap_options = '/notls/novalidate-cert';
		}
		$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'];
		$mbox_stream = imap_open("{".$imap_server.":".$imap_port.$imap_options."}".$folder, $username, $password);
	
		$new_header = str_replace("\n", "\r\n", $header);
		$new_body = str_replace("\n", "\r\n", $body);
		
		$return['append'] = imap_append($mbox_stream, "{".$imap_server.":".$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){
		
		if(!$this->mbox || !is_resource($this->mbox)){
			$this->mbox = $this->open_mbox($folder);
		
		}

		return $this->messages_sort($sort_box_type,$sort_box_reverse, $search_box_type);
		/*switch($sort_box_type){
			case 'SORTFROM':
				return $this->imap_sortfrom($sort_box_reverse, $search_box_type);				
			case 'SORTSUBJECT':
				return imap_sort($this->mbox, SORTSUBJECT, $sort_box_reverse, SE_UID, $search_box_type);				
			case 'SORTSIZE':
				return imap_sort($this->mbox, SORTSIZE, $sort_box_reverse, SE_UID, $search_box_type);				
			default:
				return imap_sort($this->mbox, SORTARRIVAL, $sort_box_reverse, SE_UID, $search_box_type);						
		}*/
	}	
	
	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)
			$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']/1024)* 100 + .5 )* .01;
			$quota_used  = (($quota['usage']/1024)* 100 + .5 )* .01;
			if($quota_used >= $quota_limit)
			{
				$quotaPercent = 100;
			}
			else
			{
			$quotaPercent = ($quota_used / $quota_limit)*100;
			$quotaPercent = (($quotaPercent)* 100 + .5 )* .01;
			}
			return array(
				'quota_percent' => floor($quotaPercent),
				'quota_used' => floor($quota_used),
				'quota_limit' =>  floor($quota_limit)
			);
		}
		else 
			return array();
	}
	
	function send_notification($params){
		require_once("class.phpmailer.php");
		$mail = new PHPMailer();
		 
		$toaddress = $params['notificationto'];
		
		$subject = 'Confirmação de leitura: ' . $params['subject'];
		$body = 'Sua mensagem: ' . $params['subject'] . '<br>';
		$body .= 'foi lida por: ' . $_SESSION['phpgw_info']['expressomail']['user']['fullname'] . ' &lt;' . $_SESSION['phpgw_info']['expressomail']['user']['email'] . '&gt; em ' . 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_trash()
	{
		$folder = 'INBOX' . $this->imap_delimiter . $_SESSION['phpgw_info']['expressomail']['email_server']['imapDefaultTrashFolder']; 
		$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 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']);
		$messages = imap_search($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 search_msg($params = ''){		
		$retorno = "";
		$mbox_stream = "";
		if(strpos($params['condition'],"#")===false) { //local messages
			$search=false;
		}
		else {
			$search = explode(",",$params['condition']);			
		}

		if($search){
			$search_criteria = '';
			foreach($search as $tmp)
			{
				$tmp1 = explode("##",$tmp);
				$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];
						$filter .= '"'.$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
				$folder_name = explode($this->imap_delimiter,$name_box);
				if (is_numeric($folder_name[1])) {
					$this->ldap = new ldap_functions();
					if ($cn = $this->ldap->uid2cn($folder_name[1]))	{
						$folder_name[1] = $cn;
					}
				}
				$folder_name = implode($this->imap_delimiter,$folder_name);
				
				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($search_criteria && count($search_criteria) < 50)
						{
							foreach($search_criteria as $new_search){
								$m_token = trim("##".mb_convert_encoding( $name_box, "ISO_8859-1", "UTF7-IMAP" ) . "--" . $this->get_msg($new_search,$name_box,$mbox_stream) . "--".$new_search."##"."\n");
								if(!@strstr($retorno,$m_token))
									$retorno .= $m_token;
							}
						}						
						else if(count($search_criteria) >= 50)							
							return "many results";						
					}
				}
				else {
					$search_criteria = imap_search($mbox_stream, $filter, SE_UID);
					if( is_array( $search_criteria) )
					{
						foreach($search_criteria as $new_search)
							$retorno .= trim("##".mb_convert_encoding( $name_box, "ISO_8859-1", "UTF7-IMAP" ) . "--" . $this->get_msg($new_search,$name_box,$mbox_stream) . "--" . $new_search."##"."\n");
					}
				}
			}
		}
		if($mbox_stream)
			imap_close($mbox_stream);		
						
		return $retorno ? $retorno : "none";
	}
	
	function get_msg($uid_msg,$name_box, $mbox_stream )
	{
		$header = $this->get_header($uid_msg);         
		$flag = $header->Unseen.$header->Recent.$header->Flagged.$header->Draft;
		$subject = $this->decode_string($header->fetchsubject);
		$from = $header->from[0]->mailbox;
		if($header->from[0]->personal != "")
			$from = $header->from[0]->personal;
		$ret_msg = $this->decode_string($from) . "--" . $subject . "--". gmdate("d/m/Y",$header ->udate)."--". $this->size_msg($header->Size) ."--". $flag;
		return $ret_msg;                    
	}	
	
	function size_msg($size){
		$var = floor($size/1024);
		if($var >= 1){
			return $var." kb";	
		}else{
			return $size ." b";	
		}
	}

	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'] = $imap_attachment->flat_mime_decode($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) {
			$header = imap_fetchheader($mbox_stream, imap_msgno($mbox_stream, $msg_number));
			$body = imap_body($mbox_stream, imap_msgno($mbox_stream, $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("^X-DSPAM-Signature", $linha)) {
					
					$args = explode(" ",$linha);
					$signature = $args[1];
				}
			}

			// feed dspam
			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##');
			$cmd = str_replace($tags,array($email,$username,$domain,$signature),$cmd);
 			system($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;
	}
}
?>