<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP 5.1.6 or newer

 *

 * @package		CodeIgniter

 * @author		ExpressionEngine Dev Team

 * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.

 * @license		http://codeigniter.com/user_guide/license.html

 * @link		http://codeigniter.com

 * @since		Version 1.0

 * @filesource

 */



// ------------------------------------------------------------------------



/**

 * CodeIgniter Email Class

 *

 * Permits email to be sent using Mail, Sendmail, or SMTP.

 *

 * @package		CodeIgniter

 * @subpackage	Libraries

 * @category	Libraries

 * @author		ExpressionEngine Dev Team

 * @link		http://codeigniter.com/user_guide/libraries/email.html

 */

class CI_Email {



	var	$useragent		= "CodeIgniter";

	var	$mailpath		= "/usr/sbin/sendmail";	// Sendmail path

	var	$protocol		= "mail";	// mail/sendmail/smtp

	var	$smtp_host		= "";		// SMTP Server.  Example: mail.earthlink.net

	var	$smtp_user		= "";		// SMTP Username

	var	$smtp_pass		= "";		// SMTP Password

	var	$smtp_port		= "25";		// SMTP Port

	var	$smtp_timeout	= 5;		// SMTP Timeout in seconds

	var	$smtp_crypto	= "";		// SMTP Encryption. Can be null, tls or ssl.

	var	$wordwrap		= TRUE;		// TRUE/FALSE  Turns word-wrap on/off

	var	$wrapchars		= "76";		// Number of characters to wrap at.

	var	$mailtype		= "text";	// text/html  Defines email formatting

	var	$charset		= "utf-8";	// Default char set: iso-8859-1 or us-ascii

	var	$multipart		= "mixed";	// "mixed" (in the body) or "related" (separate)

	var $alt_message	= '';		// Alternative message for HTML emails

	var	$validate		= FALSE;	// TRUE/FALSE.  Enables email validation

	var	$priority		= "3";		// Default priority (1 - 5)

	var	$newline		= "\n";		// Default newline. "\r\n" or "\n" (Use "\r\n" to comply with RFC 822)

	var $crlf			= "\n";		// The RFC 2045 compliant CRLF for quoted-printable is "\r\n".  Apparently some servers,

									// even on the receiving end think they need to muck with CRLFs, so using "\n", while

									// distasteful, is the only thing that seems to work for all environments.

	var $send_multipart	= TRUE;		// TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override.  Set to FALSE for Yahoo.

	var	$bcc_batch_mode	= FALSE;	// TRUE/FALSE  Turns on/off Bcc batch feature

	var	$bcc_batch_size	= 200;		// If bcc_batch_mode = TRUE, sets max number of Bccs in each batch

	var $_safe_mode		= FALSE;

	var	$_subject		= "";

	var	$_body			= "";

	var	$_finalbody		= "";

	var	$_alt_boundary	= "";

	var	$_atc_boundary	= "";

	var	$_header_str	= "";

	var	$_smtp_connect	= "";

	var	$_encoding		= "8bit";

	var $_IP			= FALSE;

	var	$_smtp_auth		= FALSE;

	var $_replyto_flag	= FALSE;

	var	$_debug_msg		= array();

	var	$_recipients	= array();

	var	$_cc_array		= array();

	var	$_bcc_array		= array();

	var	$_headers		= array();

	var	$_attach_name	= array();

	var	$_attach_type	= array();

	var	$_attach_disp	= array();

	var	$_protocols		= array('mail', 'sendmail', 'smtp');

	var	$_base_charsets	= array('us-ascii', 'iso-2022-');	// 7-bit charsets (excluding language suffix)

	var	$_bit_depths	= array('7bit', '8bit');

	var	$_priorities	= array('1 (Highest)', '2 (High)', '3 (Normal)', '4 (Low)', '5 (Lowest)');





	/**

	 * Constructor - Sets Email Preferences

	 *

	 * The constructor can be passed an array of config values

	 */

	public function __construct($config = array())

	{

		if (count($config) > 0)

		{

			$this->initialize($config);

		}

		else

		{

			$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;

			$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;

		}



		log_message('debug', "Email Class Initialized");

	}



	// --------------------------------------------------------------------



	/**

	 * Initialize preferences

	 *

	 * @access	public

	 * @param	array

	 * @return	void

	 */

	public function initialize($config = array())

	{

		foreach ($config as $key => $val)

		{

			if (isset($this->$key))

			{

				$method = 'set_'.$key;



				if (method_exists($this, $method))

				{

					$this->$method($val);

				}

				else

				{

					$this->$key = $val;

				}

			}

		}

		$this->clear();



		$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;

		$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Initialize the Email Data

	 *

	 * @access	public

	 * @return	void

	 */

	public function clear($clear_attachments = FALSE)

	{

		$this->_subject		= "";

		$this->_body		= "";

		$this->_finalbody	= "";

		$this->_header_str	= "";

		$this->_replyto_flag = FALSE;

		$this->_recipients	= array();

		$this->_cc_array	= array();

		$this->_bcc_array	= array();

		$this->_headers		= array();

		$this->_debug_msg	= array();



		$this->_set_header('User-Agent', $this->useragent);

		$this->_set_header('Date', $this->_set_date());



		if ($clear_attachments !== FALSE)

		{

			$this->_attach_name = array();

			$this->_attach_type = array();

			$this->_attach_disp = array();

		}



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set FROM

	 *

	 * @access	public

	 * @param	string

	 * @param	string

	 * @return	void

	 */

	public function from($from, $name = '')

	{

		if (preg_match( '/\<(.*)\>/', $from, $match))

		{

			$from = $match['1'];

		}



		if ($this->validate)

		{

			$this->validate_email($this->_str_to_array($from));

		}



		// prepare the display name

		if ($name != '')

		{

			// only use Q encoding if there are characters that would require it

			if ( ! preg_match('/[\200-\377]/', $name))

			{

				// add slashes for non-printing characters, slashes, and double quotes, and surround it in double quotes

				$name = '"'.addcslashes($name, "\0..\37\177'\"\\").'"';

			}

			else

			{

				$name = $this->_prep_q_encoding($name, TRUE);

			}

		}



		$this->_set_header('From', $name.' <'.$from.'>');

		$this->_set_header('Return-Path', '<'.$from.'>');



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Reply-to

	 *

	 * @access	public

	 * @param	string

	 * @param	string

	 * @return	void

	 */

	public function reply_to($replyto, $name = '')

	{

		if (preg_match( '/\<(.*)\>/', $replyto, $match))

		{

			$replyto = $match['1'];

		}



		if ($this->validate)

		{

			$this->validate_email($this->_str_to_array($replyto));

		}



		if ($name == '')

		{

			$name = $replyto;

		}



		if (strncmp($name, '"', 1) != 0)

		{

			$name = '"'.$name.'"';

		}



		$this->_set_header('Reply-To', $name.' <'.$replyto.'>');

		$this->_replyto_flag = TRUE;



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Recipients

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function to($to)

	{

		$to = $this->_str_to_array($to);

		$to = $this->clean_email($to);



		if ($this->validate)

		{

			$this->validate_email($to);

		}



		if ($this->_get_protocol() != 'mail')

		{

			$this->_set_header('To', implode(", ", $to));

		}



		switch ($this->_get_protocol())

		{

			case 'smtp'		:

				$this->_recipients = $to;

			break;

			case 'sendmail'	:

			case 'mail'		:

				$this->_recipients = implode(", ", $to);

			break;

		}



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set CC

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function cc($cc)

	{

		$cc = $this->_str_to_array($cc);

		$cc = $this->clean_email($cc);



		if ($this->validate)

		{

			$this->validate_email($cc);

		}



		$this->_set_header('Cc', implode(", ", $cc));



		if ($this->_get_protocol() == "smtp")

		{

			$this->_cc_array = $cc;

		}



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set BCC

	 *

	 * @access	public

	 * @param	string

	 * @param	string

	 * @return	void

	 */

	public function bcc($bcc, $limit = '')

	{

		if ($limit != '' && is_numeric($limit))

		{

			$this->bcc_batch_mode = TRUE;

			$this->bcc_batch_size = $limit;

		}



		$bcc = $this->_str_to_array($bcc);

		$bcc = $this->clean_email($bcc);



		if ($this->validate)

		{

			$this->validate_email($bcc);

		}



		if (($this->_get_protocol() == "smtp") OR ($this->bcc_batch_mode && count($bcc) > $this->bcc_batch_size))

		{

			$this->_bcc_array = $bcc;

		}

		else

		{

			$this->_set_header('Bcc', implode(", ", $bcc));

		}



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Email Subject

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function subject($subject)

	{

		$subject = $this->_prep_q_encoding($subject);

		$this->_set_header('Subject', $subject);

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Body

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function message($body)

	{

		$this->_body = rtrim(str_replace("\r", "", $body));



		/* strip slashes only if magic quotes is ON

		   if we do it with magic quotes OFF, it strips real, user-inputted chars.



		   NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and

			 it will probably not exist in future versions at all.

		*/

		if ( ! is_php('5.4') && get_magic_quotes_gpc())

		{

			$this->_body = stripslashes($this->_body);

		}



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Assign file attachments

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function attach($filename, $disposition = 'attachment')

	{

		$this->_attach_name[] = $filename;

		$this->_attach_type[] = $this->_mime_types(pathinfo($filename, PATHINFO_EXTENSION));

		$this->_attach_disp[] = $disposition; // Can also be 'inline'  Not sure if it matters

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Add a Header Item

	 *

	 * @access	protected

	 * @param	string

	 * @param	string

	 * @return	void

	 */

	protected function _set_header($header, $value)

	{

		$this->_headers[$header] = $value;

	}



	// --------------------------------------------------------------------



	/**

	 * Convert a String to an Array

	 *

	 * @access	protected

	 * @param	string

	 * @return	array

	 */

	protected function _str_to_array($email)

	{

		if ( ! is_array($email))

		{

			if (strpos($email, ',') !== FALSE)

			{

				$email = preg_split('/[\s,]/', $email, -1, PREG_SPLIT_NO_EMPTY);

			}

			else

			{

				$email = trim($email);

				settype($email, "array");

			}

		}

		return $email;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Multipart Value

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function set_alt_message($str = '')

	{

		$this->alt_message = $str;

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Mailtype

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function set_mailtype($type = 'text')

	{

		$this->mailtype = ($type == 'html') ? 'html' : 'text';

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Wordwrap

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function set_wordwrap($wordwrap = TRUE)

	{

		$this->wordwrap = ($wordwrap === FALSE) ? FALSE : TRUE;

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Protocol

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function set_protocol($protocol = 'mail')

	{

		$this->protocol = ( ! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Priority

	 *

	 * @access	public

	 * @param	integer

	 * @return	void

	 */

	public function set_priority($n = 3)

	{

		if ( ! is_numeric($n))

		{

			$this->priority = 3;

			return;

		}



		if ($n < 1 OR $n > 5)

		{

			$this->priority = 3;

			return;

		}



		$this->priority = $n;

		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Newline Character

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function set_newline($newline = "\n")

	{

		if ($newline != "\n" AND $newline != "\r\n" AND $newline != "\r")

		{

			$this->newline	= "\n";

			return;

		}



		$this->newline	= $newline;



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set CRLF

	 *

	 * @access	public

	 * @param	string

	 * @return	void

	 */

	public function set_crlf($crlf = "\n")

	{

		if ($crlf != "\n" AND $crlf != "\r\n" AND $crlf != "\r")

		{

			$this->crlf	= "\n";

			return;

		}



		$this->crlf	= $crlf;



		return $this;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Message Boundary

	 *

	 * @access	protected

	 * @return	void

	 */

	protected function _set_boundaries()

	{

		$this->_alt_boundary = "B_ALT_".uniqid(''); // multipart/alternative

		$this->_atc_boundary = "B_ATC_".uniqid(''); // attachment boundary

	}



	// --------------------------------------------------------------------



	/**

	 * Get the Message ID

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_message_id()

	{

		$from = $this->_headers['Return-Path'];

		$from = str_replace(">", "", $from);

		$from = str_replace("<", "", $from);



		return  "<".uniqid('').strstr($from, '@').">";

	}



	// --------------------------------------------------------------------



	/**

	 * Get Mail Protocol

	 *

	 * @access	protected

	 * @param	bool

	 * @return	string

	 */

	protected function _get_protocol($return = TRUE)

	{

		$this->protocol = strtolower($this->protocol);

		$this->protocol = ( ! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;



		if ($return == TRUE)

		{

			return $this->protocol;

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Get Mail Encoding

	 *

	 * @access	protected

	 * @param	bool

	 * @return	string

	 */

	protected function _get_encoding($return = TRUE)

	{

		$this->_encoding = ( ! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;



		foreach ($this->_base_charsets as $charset)

		{

			if (strncmp($charset, $this->charset, strlen($charset)) == 0)

			{

				$this->_encoding = '7bit';

			}

		}



		if ($return == TRUE)

		{

			return $this->_encoding;

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Get content type (text/html/attachment)

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_content_type()

	{

		if	($this->mailtype == 'html' &&  count($this->_attach_name) == 0)

		{

			return 'html';

		}

		elseif	($this->mailtype == 'html' &&  count($this->_attach_name)  > 0)

		{

			return 'html-attach';

		}

		elseif	($this->mailtype == 'text' &&  count($this->_attach_name)  > 0)

		{

			return 'plain-attach';

		}

		else

		{

			return 'plain';

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Set RFC 822 Date

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _set_date()

	{

		$timezone = date("Z");

		$operator = (strncmp($timezone, '-', 1) == 0) ? '-' : '+';

		$timezone = abs($timezone);

		$timezone = floor($timezone/3600) * 100 + ($timezone % 3600 ) / 60;



		return sprintf("%s %s%04d", date("D, j M Y H:i:s"), $operator, $timezone);

	}



	// --------------------------------------------------------------------



	/**

	 * Mime message

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_mime_message()

	{

		return "This is a multi-part message in MIME format.".$this->newline."Your email application may not support this format.";

	}



	// --------------------------------------------------------------------



	/**

	 * Validate Email Address

	 *

	 * @access	public

	 * @param	string

	 * @return	bool

	 */

	public function validate_email($email)

	{

		if ( ! is_array($email))

		{

			$this->_set_error_message('lang:email_must_be_array');

			return FALSE;

		}



		foreach ($email as $val)

		{

			if ( ! $this->valid_email($val))

			{

				$this->_set_error_message('lang:email_invalid_address', $val);

				return FALSE;

			}

		}



		return TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 * Email Validation

	 *

	 * @access	public

	 * @param	string

	 * @return	bool

	 */

	public function valid_email($address)

	{

		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 * Clean Extended Email Address: Joe Smith <joe@smith.com>

	 *

	 * @access	public

	 * @param	string

	 * @return	string

	 */

	public function clean_email($email)

	{

		if ( ! is_array($email))

		{

			if (preg_match('/\<(.*)\>/', $email, $match))

			{

				return $match['1'];

			}

			else

			{

				return $email;

			}

		}



		$clean_email = array();



		foreach ($email as $addy)

		{

			if (preg_match( '/\<(.*)\>/', $addy, $match))

			{

				$clean_email[] = $match['1'];

			}

			else

			{

				$clean_email[] = $addy;

			}

		}



		return $clean_email;

	}



	// --------------------------------------------------------------------



	/**

	 * Build alternative plain text message

	 *

	 * This public function provides the raw message for use

	 * in plain-text headers of HTML-formatted emails.

	 * If the user hasn't specified his own alternative message

	 * it creates one by stripping the HTML

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_alt_message()

	{

		if ($this->alt_message != "")

		{

			return $this->word_wrap($this->alt_message, '76');

		}



		if (preg_match('/\<body.*?\>(.*)\<\/body\>/si', $this->_body, $match))

		{

			$body = $match['1'];

		}

		else

		{

			$body = $this->_body;

		}



		$body = trim(strip_tags($body));

		$body = preg_replace( '#<!--(.*)--\>#', "", $body);

		$body = str_replace("\t", "", $body);



		for ($i = 20; $i >= 3; $i--)

		{

			$n = "";



			for ($x = 1; $x <= $i; $x ++)

			{

				$n .= "\n";

			}



			$body = str_replace($n, "\n\n", $body);

		}



		return $this->word_wrap($body, '76');

	}



	// --------------------------------------------------------------------



	/**

	 * Word Wrap

	 *

	 * @access	public

	 * @param	string

	 * @param	integer

	 * @return	string

	 */

	public function word_wrap($str, $charlim = '')

	{

		// Se the character limit

		if ($charlim == '')

		{

			$charlim = ($this->wrapchars == "") ? "76" : $this->wrapchars;

		}



		// Reduce multiple spaces

		$str = preg_replace("| +|", " ", $str);



		// Standardize newlines

		if (strpos($str, "\r") !== FALSE)

		{

			$str = str_replace(array("\r\n", "\r"), "\n", $str);

		}



		// If the current word is surrounded by {unwrap} tags we'll

		// strip the entire chunk and replace it with a marker.

		$unwrap = array();

		if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))

		{

			for ($i = 0; $i < count($matches['0']); $i++)

			{

				$unwrap[] = $matches['1'][$i];

				$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);

			}

		}



		// Use PHP's native public function to do the initial wordwrap.

		// We set the cut flag to FALSE so that any individual words that are

		// too long get left alone.  In the next step we'll deal with them.

		$str = wordwrap($str, $charlim, "\n", FALSE);



		// Split the string into individual lines of text and cycle through them

		$output = "";

		foreach (explode("\n", $str) as $line)

		{

			// Is the line within the allowed character count?

			// If so we'll join it to the output and continue

			if (strlen($line) <= $charlim)

			{

				$output .= $line.$this->newline;

				continue;

			}



			$temp = '';

			while ((strlen($line)) > $charlim)

			{

				// If the over-length word is a URL we won't wrap it

				if (preg_match("!\[url.+\]|://|wwww.!", $line))

				{

					break;

				}



				// Trim the word down

				$temp .= substr($line, 0, $charlim-1);

				$line = substr($line, $charlim-1);

			}



			// If $temp contains data it means we had to split up an over-length

			// word into smaller chunks so we'll add it back to our current line

			if ($temp != '')

			{

				$output .= $temp.$this->newline.$line;

			}

			else

			{

				$output .= $line;

			}



			$output .= $this->newline;

		}



		// Put our markers back

		if (count($unwrap) > 0)

		{

			foreach ($unwrap as $key => $val)

			{

				$output = str_replace("{{unwrapped".$key."}}", $val, $output);

			}

		}



		return $output;

	}



	// --------------------------------------------------------------------



	/**

	 * Build final headers

	 *

	 * @access	protected

	 * @param	string

	 * @return	string

	 */

	protected function _build_headers()

	{

		$this->_set_header('X-Sender', $this->clean_email($this->_headers['From']));

		$this->_set_header('X-Mailer', $this->useragent);

		$this->_set_header('X-Priority', $this->_priorities[$this->priority - 1]);

		$this->_set_header('Message-ID', $this->_get_message_id());

		$this->_set_header('Mime-Version', '1.0');

	}



	// --------------------------------------------------------------------



	/**

	 * Write Headers as a string

	 *

	 * @access	protected

	 * @return	void

	 */

	protected function _write_headers()

	{

		if ($this->protocol == 'mail')

		{

			$this->_subject = $this->_headers['Subject'];

			unset($this->_headers['Subject']);

		}



		reset($this->_headers);

		$this->_header_str = "";



		foreach ($this->_headers as $key => $val)

		{

			$val = trim($val);



			if ($val != "")

			{

				$this->_header_str .= $key.": ".$val.$this->newline;

			}

		}



		if ($this->_get_protocol() == 'mail')

		{

			$this->_header_str = rtrim($this->_header_str);

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Build Final Body and attachments

	 *

	 * @access	protected

	 * @return	void

	 */

	protected function _build_message()

	{

		if ($this->wordwrap === TRUE  AND  $this->mailtype != 'html')

		{

			$this->_body = $this->word_wrap($this->_body);

		}



		$this->_set_boundaries();

		$this->_write_headers();



		$hdr = ($this->_get_protocol() == 'mail') ? $this->newline : '';

		$body = '';



		switch ($this->_get_content_type())

		{

			case 'plain' :



				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;

				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();



				if ($this->_get_protocol() == 'mail')

				{

					$this->_header_str .= $hdr;

					$this->_finalbody = $this->_body;

				}

				else

				{

					$this->_finalbody = $hdr . $this->newline . $this->newline . $this->_body;

				}



				return;



			break;

			case 'html' :



				if ($this->send_multipart === FALSE)

				{

					$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;

					$hdr .= "Content-Transfer-Encoding: quoted-printable";

				}

				else

				{

					$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline . $this->newline;



					$body .= $this->_get_mime_message() . $this->newline . $this->newline;

					$body .= "--" . $this->_alt_boundary . $this->newline;



					$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;

					$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;

					$body .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;



					$body .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;

					$body .= "Content-Transfer-Encoding: quoted-printable" . $this->newline . $this->newline;

				}



				$this->_finalbody = $body . $this->_prep_quoted_printable($this->_body) . $this->newline . $this->newline;





				if ($this->_get_protocol() == 'mail')

				{

					$this->_header_str .= $hdr;

				}

				else

				{

					$this->_finalbody = $hdr . $this->_finalbody;

				}





				if ($this->send_multipart !== FALSE)

				{

					$this->_finalbody .= "--" . $this->_alt_boundary . "--";

				}



				return;



			break;

			case 'plain-attach' :



				$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;



				if ($this->_get_protocol() == 'mail')

				{

					$this->_header_str .= $hdr;

				}



				$body .= $this->_get_mime_message() . $this->newline . $this->newline;

				$body .= "--" . $this->_atc_boundary . $this->newline;



				$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;

				$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;



				$body .= $this->_body . $this->newline . $this->newline;



			break;

			case 'html-attach' :



				$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;



				if ($this->_get_protocol() == 'mail')

				{

					$this->_header_str .= $hdr;

				}



				$body .= $this->_get_mime_message() . $this->newline . $this->newline;

				$body .= "--" . $this->_atc_boundary . $this->newline;



				$body .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline .$this->newline;

				$body .= "--" . $this->_alt_boundary . $this->newline;



				$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;

				$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;

				$body .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;



				$body .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;

				$body .= "Content-Transfer-Encoding: quoted-printable" . $this->newline . $this->newline;



				$body .= $this->_prep_quoted_printable($this->_body) . $this->newline . $this->newline;

				$body .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;



			break;

		}



		$attachment = array();



		$z = 0;



		for ($i=0; $i < count($this->_attach_name); $i++)

		{

			$filename = $this->_attach_name[$i];

			$basename = basename($filename);

			$ctype = $this->_attach_type[$i];



			if ( ! file_exists($filename))

			{

				$this->_set_error_message('lang:email_attachment_missing', $filename);

				return FALSE;

			}



			$h  = "--".$this->_atc_boundary.$this->newline;

			$h .= "Content-type: ".$ctype."; ";

			$h .= "name=\"".$basename."\"".$this->newline;

			$h .= "Content-Disposition: ".$this->_attach_disp[$i].";".$this->newline;

			$h .= "Content-Transfer-Encoding: base64".$this->newline;



			$attachment[$z++] = $h;

			$file = filesize($filename) +1;



			if ( ! $fp = fopen($filename, FOPEN_READ))

			{

				$this->_set_error_message('lang:email_attachment_unreadable', $filename);

				return FALSE;

			}



			$attachment[$z++] = chunk_split(base64_encode(fread($fp, $file)));

			fclose($fp);

		}



		$body .= implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";





		if ($this->_get_protocol() == 'mail')

		{

			$this->_finalbody = $body;

		}

		else

		{

			$this->_finalbody = $hdr . $body;

		}



		return;

	}



	// --------------------------------------------------------------------



	/**

	 * Prep Quoted Printable

	 *

	 * Prepares string for Quoted-Printable Content-Transfer-Encoding

	 * Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt

	 *

	 * @access	protected

	 * @param	string

	 * @param	integer

	 * @return	string

	 */

	protected function _prep_quoted_printable($str, $charlim = '')

	{

		// Set the character limit

		// Don't allow over 76, as that will make servers and MUAs barf

		// all over quoted-printable data

		if ($charlim == '' OR $charlim > '76')

		{

			$charlim = '76';

		}



		// Reduce multiple spaces

		$str = preg_replace("| +|", " ", $str);



		// kill nulls

		$str = preg_replace('/\x00+/', '', $str);



		// Standardize newlines

		if (strpos($str, "\r") !== FALSE)

		{

			$str = str_replace(array("\r\n", "\r"), "\n", $str);

		}



		// We are intentionally wrapping so mail servers will encode characters

		// properly and MUAs will behave, so {unwrap} must go!

		$str = str_replace(array('{unwrap}', '{/unwrap}'), '', $str);



		// Break into an array of lines

		$lines = explode("\n", $str);



		$escape = '=';

		$output = '';



		foreach ($lines as $line)

		{

			$length = strlen($line);

			$temp = '';



			// Loop through each character in the line to add soft-wrap

			// characters at the end of a line " =\r\n" and add the newly

			// processed line(s) to the output (see comment on $crlf class property)

			for ($i = 0; $i < $length; $i++)

			{

				// Grab the next character

				$char = substr($line, $i, 1);

				$ascii = ord($char);



				// Convert spaces and tabs but only if it's the end of the line

				if ($i == ($length - 1))

				{

					$char = ($ascii == '32' OR $ascii == '9') ? $escape.sprintf('%02s', dechex($ascii)) : $char;

				}



				// encode = signs

				if ($ascii == '61')

				{

					$char = $escape.strtoupper(sprintf('%02s', dechex($ascii)));  // =3D

				}



				// If we're at the character limit, add the line to the output,

				// reset our temp variable, and keep on chuggin'

				if ((strlen($temp) + strlen($char)) >= $charlim)

				{

					$output .= $temp.$escape.$this->crlf;

					$temp = '';

				}



				// Add the character to our temporary line

				$temp .= $char;

			}



			// Add our completed line to the output

			$output .= $temp.$this->crlf;

		}



		// get rid of extra CRLF tacked onto the end

		$output = substr($output, 0, strlen($this->crlf) * -1);



		return $output;

	}



	// --------------------------------------------------------------------



	/**

	 * Prep Q Encoding

	 *

	 * Performs "Q Encoding" on a string for use in email headers.  It's related

	 * but not identical to quoted-printable, so it has its own method

	 *

	 * @access	public

	 * @param	str

	 * @param	bool	// set to TRUE for processing From: headers

	 * @return	str

	 */

	protected function _prep_q_encoding($str, $from = FALSE)

	{

		$str = str_replace(array("\r", "\n"), array('', ''), $str);



		// Line length must not exceed 76 characters, so we adjust for

		// a space, 7 extra characters =??Q??=, and the charset that we will add to each line

		$limit = 75 - 7 - strlen($this->charset);



		// these special characters must be converted too

		$convert = array('_', '=', '?');



		if ($from === TRUE)

		{

			$convert[] = ',';

			$convert[] = ';';

		}



		$output = '';

		$temp = '';



		for ($i = 0, $length = strlen($str); $i < $length; $i++)

		{

			// Grab the next character

			$char = substr($str, $i, 1);

			$ascii = ord($char);



			// convert ALL non-printable ASCII characters and our specials

			if ($ascii < 32 OR $ascii > 126 OR in_array($char, $convert))

			{

				$char = '='.dechex($ascii);

			}



			// handle regular spaces a bit more compactly than =20

			if ($ascii == 32)

			{

				$char = '_';

			}



			// If we're at the character limit, add the line to the output,

			// reset our temp variable, and keep on chuggin'

			if ((strlen($temp) + strlen($char)) >= $limit)

			{

				$output .= $temp.$this->crlf;

				$temp = '';

			}



			// Add the character to our temporary line

			$temp .= $char;

		}



		$str = $output.$temp;



		// wrap each line with the shebang, charset, and transfer encoding

		// the preceding space on successive lines is required for header "folding"

		$str = trim(preg_replace('/^(.*)$/m', ' =?'.$this->charset.'?Q?$1?=', $str));



		return $str;

	}



	// --------------------------------------------------------------------



	/**

	 * Send Email

	 *

	 * @access	public

	 * @return	bool

	 */

	public function send()

	{

		if ($this->_replyto_flag == FALSE)

		{

			$this->reply_to($this->_headers['From']);

		}



		if (( ! isset($this->_recipients) AND ! isset($this->_headers['To']))  AND

			( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND

			( ! isset($this->_headers['Cc'])))

		{

			$this->_set_error_message('lang:email_no_recipients');

			return FALSE;

		}



		$this->_build_headers();



		if ($this->bcc_batch_mode  AND  count($this->_bcc_array) > 0)

		{

			if (count($this->_bcc_array) > $this->bcc_batch_size)

				return $this->batch_bcc_send();

		}



		$this->_build_message();



		if ( ! $this->_spool_email())

		{

			return FALSE;

		}

		else

		{

			return TRUE;

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Batch Bcc Send.  Sends groups of BCCs in batches

	 *

	 * @access	public

	 * @return	bool

	 */

	public function batch_bcc_send()

	{

		$float = $this->bcc_batch_size -1;



		$set = "";



		$chunk = array();



		for ($i = 0; $i < count($this->_bcc_array); $i++)

		{

			if (isset($this->_bcc_array[$i]))

			{

				$set .= ", ".$this->_bcc_array[$i];

			}



			if ($i == $float)

			{

				$chunk[] = substr($set, 1);

				$float = $float + $this->bcc_batch_size;

				$set = "";

			}



			if ($i == count($this->_bcc_array)-1)

			{

				$chunk[] = substr($set, 1);

			}

		}



		for ($i = 0; $i < count($chunk); $i++)

		{

			unset($this->_headers['Bcc']);

			unset($bcc);



			$bcc = $this->_str_to_array($chunk[$i]);

			$bcc = $this->clean_email($bcc);



			if ($this->protocol != 'smtp')

			{

				$this->_set_header('Bcc', implode(", ", $bcc));

			}

			else

			{

				$this->_bcc_array = $bcc;

			}



			$this->_build_message();

			$this->_spool_email();

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Unwrap special elements

	 *

	 * @access	protected

	 * @return	void

	 */

	protected function _unwrap_specials()

	{

		$this->_finalbody = preg_replace_callback("/\{unwrap\}(.*?)\{\/unwrap\}/si", array($this, '_remove_nl_callback'), $this->_finalbody);

	}



	// --------------------------------------------------------------------



	/**

	 * Strip line-breaks via callback

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _remove_nl_callback($matches)

	{

		if (strpos($matches[1], "\r") !== FALSE OR strpos($matches[1], "\n") !== FALSE)

		{

			$matches[1] = str_replace(array("\r\n", "\r", "\n"), '', $matches[1]);

		}



		return $matches[1];

	}



	// --------------------------------------------------------------------



	/**

	 * Spool mail to the mail server

	 *

	 * @access	protected

	 * @return	bool

	 */

	protected function _spool_email()

	{

		$this->_unwrap_specials();



		switch ($this->_get_protocol())

		{

			case 'mail'	:



					if ( ! $this->_send_with_mail())

					{

						$this->_set_error_message('lang:email_send_failure_phpmail');

						return FALSE;

					}

			break;

			case 'sendmail'	:



					if ( ! $this->_send_with_sendmail())

					{

						$this->_set_error_message('lang:email_send_failure_sendmail');

						return FALSE;

					}

			break;

			case 'smtp'	:



					if ( ! $this->_send_with_smtp())

					{

						$this->_set_error_message('lang:email_send_failure_smtp');

						return FALSE;

					}

			break;



		}



		$this->_set_error_message('lang:email_sent', $this->_get_protocol());

		return TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 * Send using mail()

	 *

	 * @access	protected

	 * @return	bool

	 */

	protected function _send_with_mail()

	{

		if ($this->_safe_mode == TRUE)

		{

			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))

			{

				return FALSE;

			}

			else

			{

				return TRUE;

			}

		}

		else

		{

			// most documentation of sendmail using the "-f" flag lacks a space after it, however

			// we've encountered servers that seem to require it to be in place.



			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))

			{

				return FALSE;

			}

			else

			{

				return TRUE;

			}

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Send using Sendmail

	 *

	 * @access	protected

	 * @return	bool

	 */

	protected function _send_with_sendmail()

	{

		$fp = @popen($this->mailpath . " -oi -f ".$this->clean_email($this->_headers['From'])." -t", 'w');



		if ($fp === FALSE OR $fp === NULL)

		{

			// server probably has popen disabled, so nothing we can do to get a verbose error.

			return FALSE;

		}



		fputs($fp, $this->_header_str);

		fputs($fp, $this->_finalbody);



		$status = pclose($fp);



		if (version_compare(PHP_VERSION, '4.2.3') == -1)

		{

			$status = $status >> 8 & 0xFF;

		}



		if ($status != 0)

		{

			$this->_set_error_message('lang:email_exit_status', $status);

			$this->_set_error_message('lang:email_no_socket');

			return FALSE;

		}



		return TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 * Send using SMTP

	 *

	 * @access	protected

	 * @return	bool

	 */

	protected function _send_with_smtp()

	{

		if ($this->smtp_host == '')

		{

			$this->_set_error_message('lang:email_no_hostname');

			return FALSE;

		}



		$this->_smtp_connect();

		$this->_smtp_authenticate();



		$this->_send_command('from', $this->clean_email($this->_headers['From']));



		foreach ($this->_recipients as $val)

		{

			$this->_send_command('to', $val);

		}



		if (count($this->_cc_array) > 0)

		{

			foreach ($this->_cc_array as $val)

			{

				if ($val != "")

				{

					$this->_send_command('to', $val);

				}

			}

		}



		if (count($this->_bcc_array) > 0)

		{

			foreach ($this->_bcc_array as $val)

			{

				if ($val != "")

				{

					$this->_send_command('to', $val);

				}

			}

		}



		$this->_send_command('data');



		// perform dot transformation on any lines that begin with a dot

		$this->_send_data($this->_header_str . preg_replace('/^\./m', '..$1', $this->_finalbody));



		$this->_send_data('.');



		$reply = $this->_get_smtp_data();



		$this->_set_error_message($reply);



		if (strncmp($reply, '250', 3) != 0)

		{

			$this->_set_error_message('lang:email_smtp_error', $reply);

			return FALSE;

		}



		$this->_send_command('quit');

		return TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 * SMTP Connect

	 *

	 * @access	protected

	 * @param	string

	 * @return	string

	 */

	protected function _smtp_connect()

	{

		$ssl = NULL;

		if ($this->smtp_crypto == 'ssl')

			$ssl = 'ssl://';

		$this->_smtp_connect = fsockopen($ssl.$this->smtp_host,

										$this->smtp_port,

										$errno,

										$errstr,

										$this->smtp_timeout);



		if ( ! is_resource($this->_smtp_connect))

		{

			$this->_set_error_message('lang:email_smtp_error', $errno." ".$errstr);

			return FALSE;

		}



		$this->_set_error_message($this->_get_smtp_data());



		if ($this->smtp_crypto == 'tls')

		{

			$this->_send_command('hello');

			$this->_send_command('starttls');

			stream_socket_enable_crypto($this->_smtp_connect, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT);

		}



		return $this->_send_command('hello');

	}



	// --------------------------------------------------------------------



	/**

	 * Send SMTP command

	 *

	 * @access	protected

	 * @param	string

	 * @param	string

	 * @return	string

	 */

	protected function _send_command($cmd, $data = '')

	{

		switch ($cmd)

		{

			case 'hello' :



					if ($this->_smtp_auth OR $this->_get_encoding() == '8bit')

						$this->_send_data('EHLO '.$this->_get_hostname());

					else

						$this->_send_data('HELO '.$this->_get_hostname());



						$resp = 250;

			break;

			case 'starttls'	:



						$this->_send_data('STARTTLS');



						$resp = 220;

			break;

			case 'from' :



						$this->_send_data('MAIL FROM:<'.$data.'>');



						$resp = 250;

			break;

			case 'to'	:



						$this->_send_data('RCPT TO:<'.$data.'>');



						$resp = 250;

			break;

			case 'data'	:



						$this->_send_data('DATA');



						$resp = 354;

			break;

			case 'quit'	:



						$this->_send_data('QUIT');



						$resp = 221;

			break;

		}



		$reply = $this->_get_smtp_data();



		$this->_debug_msg[] = "<pre>".$cmd.": ".$reply."</pre>";



		if (substr($reply, 0, 3) != $resp)

		{

			$this->_set_error_message('lang:email_smtp_error', $reply);

			return FALSE;

		}



		if ($cmd == 'quit')

		{

			fclose($this->_smtp_connect);

		}



		return TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 *  SMTP Authenticate

	 *

	 * @access	protected

	 * @return	bool

	 */

	protected function _smtp_authenticate()

	{

		if ( ! $this->_smtp_auth)

		{

			return TRUE;

		}



		if ($this->smtp_user == ""  AND  $this->smtp_pass == "")

		{

			$this->_set_error_message('lang:email_no_smtp_unpw');

			return FALSE;

		}



		$this->_send_data('AUTH LOGIN');



		$reply = $this->_get_smtp_data();



		if (strncmp($reply, '334', 3) != 0)

		{

			$this->_set_error_message('lang:email_failed_smtp_login', $reply);

			return FALSE;

		}



		$this->_send_data(base64_encode($this->smtp_user));



		$reply = $this->_get_smtp_data();



		if (strncmp($reply, '334', 3) != 0)

		{

			$this->_set_error_message('lang:email_smtp_auth_un', $reply);

			return FALSE;

		}



		$this->_send_data(base64_encode($this->smtp_pass));



		$reply = $this->_get_smtp_data();



		if (strncmp($reply, '235', 3) != 0)

		{

			$this->_set_error_message('lang:email_smtp_auth_pw', $reply);

			return FALSE;

		}



		return TRUE;

	}



	// --------------------------------------------------------------------



	/**

	 * Send SMTP data

	 *

	 * @access	protected

	 * @return	bool

	 */

	protected function _send_data($data)

	{

		if ( ! fwrite($this->_smtp_connect, $data . $this->newline))

		{

			$this->_set_error_message('lang:email_smtp_data_failure', $data);

			return FALSE;

		}

		else

		{

			return TRUE;

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Get SMTP data

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_smtp_data()

	{

		$data = "";



		while ($str = fgets($this->_smtp_connect, 512))

		{

			$data .= $str;



			if (substr($str, 3, 1) == " ")

			{

				break;

			}

		}



		return $data;

	}



	// --------------------------------------------------------------------



	/**

	 * Get Hostname

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_hostname()

	{

		return (isset($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : 'localhost.localdomain';

	}



	// --------------------------------------------------------------------



	/**

	 * Get IP

	 *

	 * @access	protected

	 * @return	string

	 */

	protected function _get_ip()

	{

		if ($this->_IP !== FALSE)

		{

			return $this->_IP;

		}



		$cip = (isset($_SERVER['HTTP_CLIENT_IP']) AND $_SERVER['HTTP_CLIENT_IP'] != "") ? $_SERVER['HTTP_CLIENT_IP'] : FALSE;

		$rip = (isset($_SERVER['REMOTE_ADDR']) AND $_SERVER['REMOTE_ADDR'] != "") ? $_SERVER['REMOTE_ADDR'] : FALSE;

		$fip = (isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND $_SERVER['HTTP_X_FORWARDED_FOR'] != "") ? $_SERVER['HTTP_X_FORWARDED_FOR'] : FALSE;



		if ($cip && $rip)	$this->_IP = $cip;

		elseif ($rip)		$this->_IP = $rip;

		elseif ($cip)		$this->_IP = $cip;

		elseif ($fip)		$this->_IP = $fip;



		if (strpos($this->_IP, ',') !== FALSE)

		{

			$x = explode(',', $this->_IP);

			$this->_IP = end($x);

		}



		if ( ! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))

		{

			$this->_IP = '0.0.0.0';

		}



		unset($cip);

		unset($rip);

		unset($fip);



		return $this->_IP;

	}



	// --------------------------------------------------------------------



	/**

	 * Get Debug Message

	 *

	 * @access	public

	 * @return	string

	 */

	public function print_debugger()

	{

		$msg = '';



		if (count($this->_debug_msg) > 0)

		{

			foreach ($this->_debug_msg as $val)

			{

				$msg .= $val;

			}

		}



		$msg .= "<pre>".htmlspecialchars($this->_header_str)."\n".htmlspecialchars($this->_subject)."\n".htmlspecialchars($this->_finalbody).'</pre>';

		return $msg;

	}



	// --------------------------------------------------------------------



	/**

	 * Set Message

	 *

	 * @access	protected

	 * @param	string

	 * @return	string

	 */

	protected function _set_error_message($msg, $val = '')

	{

		$CI =& get_instance();

		$CI->lang->load('email');



		if (substr($msg, 0, 5) != 'lang:' || FALSE === ($line = $CI->lang->line(substr($msg, 5))))

		{

			$this->_debug_msg[] = str_replace('%s', $val, $msg)."<br />";

		}

		else

		{

			$this->_debug_msg[] = str_replace('%s', $val, $line)."<br />";

		}

	}



	// --------------------------------------------------------------------



	/**

	 * Mime Types

	 *

	 * @access	protected

	 * @param	string

	 * @return	string

	 */

	protected function _mime_types($ext = "")

	{

		$mimes = array(	'hqx'	=>	'application/mac-binhex40',

						'cpt'	=>	'application/mac-compactpro',

						'doc'	=>	'application/msword',

						'bin'	=>	'application/macbinary',

						'dms'	=>	'application/octet-stream',

						'lha'	=>	'application/octet-stream',

						'lzh'	=>	'application/octet-stream',

						'exe'	=>	'application/octet-stream',

						'class'	=>	'application/octet-stream',

						'psd'	=>	'application/octet-stream',

						'so'	=>	'application/octet-stream',

						'sea'	=>	'application/octet-stream',

						'dll'	=>	'application/octet-stream',

						'oda'	=>	'application/oda',

						'pdf'	=>	'application/pdf',

						'ai'	=>	'application/postscript',

						'eps'	=>	'application/postscript',

						'ps'	=>	'application/postscript',

						'smi'	=>	'application/smil',

						'smil'	=>	'application/smil',

						'mif'	=>	'application/vnd.mif',

						'xls'	=>	'application/vnd.ms-excel',

						'ppt'	=>	'application/vnd.ms-powerpoint',

						'wbxml'	=>	'application/vnd.wap.wbxml',

						'wmlc'	=>	'application/vnd.wap.wmlc',

						'dcr'	=>	'application/x-director',

						'dir'	=>	'application/x-director',

						'dxr'	=>	'application/x-director',

						'dvi'	=>	'application/x-dvi',

						'gtar'	=>	'application/x-gtar',

						'php'	=>	'application/x-httpd-php',

						'php4'	=>	'application/x-httpd-php',

						'php3'	=>	'application/x-httpd-php',

						'phtml'	=>	'application/x-httpd-php',

						'phps'	=>	'application/x-httpd-php-source',

						'js'	=>	'application/x-javascript',

						'swf'	=>	'application/x-shockwave-flash',

						'sit'	=>	'application/x-stuffit',

						'tar'	=>	'application/x-tar',

						'tgz'	=>	'application/x-tar',

						'xhtml'	=>	'application/xhtml+xml',

						'xht'	=>	'application/xhtml+xml',

						'zip'	=>	'application/zip',

						'mid'	=>	'audio/midi',

						'midi'	=>	'audio/midi',

						'mpga'	=>	'audio/mpeg',

						'mp2'	=>	'audio/mpeg',

						'mp3'	=>	'audio/mpeg',

						'aif'	=>	'audio/x-aiff',

						'aiff'	=>	'audio/x-aiff',

						'aifc'	=>	'audio/x-aiff',

						'ram'	=>	'audio/x-pn-realaudio',

						'rm'	=>	'audio/x-pn-realaudio',

						'rpm'	=>	'audio/x-pn-realaudio-plugin',

						'ra'	=>	'audio/x-realaudio',

						'rv'	=>	'video/vnd.rn-realvideo',

						'wav'	=>	'audio/x-wav',

						'bmp'	=>	'image/bmp',

						'gif'	=>	'image/gif',

						'jpeg'	=>	'image/jpeg',

						'jpg'	=>	'image/jpeg',

						'jpe'	=>	'image/jpeg',

						'png'	=>	'image/png',

						'tiff'	=>	'image/tiff',

						'tif'	=>	'image/tiff',

						'css'	=>	'text/css',

						'html'	=>	'text/html',

						'htm'	=>	'text/html',

						'shtml'	=>	'text/html',

						'txt'	=>	'text/plain',

						'text'	=>	'text/plain',

						'log'	=>	'text/plain',

						'rtx'	=>	'text/richtext',

						'rtf'	=>	'text/rtf',

						'xml'	=>	'text/xml',

						'xsl'	=>	'text/xml',

						'mpeg'	=>	'video/mpeg',

						'mpg'	=>	'video/mpeg',

						'mpe'	=>	'video/mpeg',

						'qt'	=>	'video/quicktime',

						'mov'	=>	'video/quicktime',

						'avi'	=>	'video/x-msvideo',

						'movie'	=>	'video/x-sgi-movie',

						'doc'	=>	'application/msword',

						'word'	=>	'application/msword',

						'xl'	=>	'application/excel',

						'eml'	=>	'message/rfc822'

					);



		return ( ! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];

	}



}

// END CI_Email class



/* End of file Email.php */

/* Location: ./system/libraries/Email.php */

