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2005 Aurelien 1 
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
2 
/**
3 
 * CodeIgniter
4 
 *
5 
 * An open source application development framework for PHP 4.3.2 or newer
6 
 *
7 
 * @package		CodeIgniter
8 
 * @author		ExpressionEngine Dev Team
9 
 * @copyright	Copyright (c) 2008, EllisLab, Inc.
10 
 * @license		http://codeigniter.com/user_guide/license.html
11 
 * @link		http://codeigniter.com
12 
 * @since		Version 1.0
13 
 * @filesource
14 
 */
15
16 
// ------------------------------------------------------------------------
17
18 
/**
19 
 * CodeIgniter Email Class
20 
 *
21 
 * Permits email to be sent using Mail, Sendmail, or SMTP.
22 
 *
23 
 * @package		CodeIgniter
24 
 * @subpackage	Libraries
25 
 * @category	Libraries
26 
 * @author		ExpressionEngine Dev Team
27 
 * @link		http://codeigniter.com/user_guide/libraries/email.html
28 
 */
29 
class CI_Email {
30
31 
	var	$useragent		= "CodeIgniter";
32 
	var	$mailpath		= "/usr/sbin/sendmail";	// Sendmail path
33 
	var	$protocol		= "mail";	// mail/sendmail/smtp
34 
	var	$smtp_host		= "";		// SMTP Server.  Example: mail.earthlink.net
35 
	var	$smtp_user		= "";		// SMTP Username
36 
	var	$smtp_pass		= "";		// SMTP Password
37 
	var	$smtp_port		= "25";		// SMTP Port
38 
	var	$smtp_timeout	= 5;		// SMTP Timeout in seconds
39 
	var	$wordwrap		= TRUE;		// TRUE/FALSE  Turns word-wrap on/off
40 
	var	$wrapchars		= "76";		// Number of characters to wrap at.
41 
	var	$mailtype		= "text";	// text/html  Defines email formatting
42 
	var	$charset		= "utf-8";	// Default char set: iso-8859-1 or us-ascii
43 
	var	$multipart		= "mixed";	// "mixed" (in the body) or "related" (separate)
44 
	var $alt_message	= '';		// Alternative message for HTML emails
45 
	var	$validate		= FALSE;	// TRUE/FALSE.  Enables email validation
46 
	var	$priority		= "3";		// Default priority (1 - 5)
47 
	var	$newline		= "\n";		// Default newline. "\r\n" or "\n" (Use "\r\n" to comply with RFC 822)
48 
	var $crlf			= "\n";		// The RFC 2045 compliant CRLF for quoted-printable is "\r\n".  Apparently some servers,
49 
									// even on the receiving end think they need to muck with CRLFs, so using "\n", while
50 
									// distasteful, is the only thing that seems to work for all environments.
51 
	var $send_multipart	= TRUE;		// TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override.  Set to FALSE for Yahoo.
52 
	var	$bcc_batch_mode	= FALSE;	// TRUE/FALSE  Turns on/off Bcc batch feature
53 
	var	$bcc_batch_size	= 200;		// If bcc_batch_mode = TRUE, sets max number of Bccs in each batch
54 
	var $_safe_mode		= FALSE;
55 
	var	$_subject		= "";
56 
	var	$_body			= "";
57 
	var	$_finalbody		= "";
58 
	var	$_alt_boundary	= "";
59 
	var	$_atc_boundary	= "";
60 
	var	$_header_str	= "";
61 
	var	$_smtp_connect	= "";
62 
	var	$_encoding		= "8bit";
63 
	var $_IP			= FALSE;
64 
	var	$_smtp_auth		= FALSE;
65 
	var $_replyto_flag	= FALSE;
66 
	var	$_debug_msg		= array();
67 
	var	$_recipients	= array();
68 
	var	$_cc_array		= array();
69 
	var	$_bcc_array		= array();
70 
	var	$_headers		= array();
71 
	var	$_attach_name	= array();
72 
	var	$_attach_type	= array();
73 
	var	$_attach_disp	= array();
74 
	var	$_protocols		= array('mail', 'sendmail', 'smtp');
75 
	var	$_base_charsets	= array('us-ascii', 'iso-2022-');	// 7-bit charsets (excluding language suffix)
76 
	var	$_bit_depths	= array('7bit', '8bit');
77 
	var	$_priorities	= array('1 (Highest)', '2 (High)', '3 (Normal)', '4 (Low)', '5 (Lowest)');
78
79
80 
	/**
81 
	 * Constructor - Sets Email Preferences
82 
	 *
83 
	 * The constructor can be passed an array of config values
84 
	 */
85 
	function CI_Email($config = array())
86 
	{
87 
		if (count($config) > 0)
88 
		{
89 
			$this->initialize($config);
90 
		}
91 
		else
92 
		{
93 
			$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;
94 
			$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;
95 
		}
96
97 
		log_message('debug', "Email Class Initialized");
98 
	}
99
100 
	// --------------------------------------------------------------------
101
102 
	/**
103 
	 * Initialize preferences
104 
	 *
105 
	 * @access	public
106 
	 * @param	array
107 
	 * @return	void
108 
	 */
109 
	function initialize($config = array())
110 
	{
111 
		$this->clear();
112 
		foreach ($config as $key => $val)
113 
		{
114 
			if (isset($this->$key))
115 
			{
116 
				$method = 'set_'.$key;
117
118 
				if (method_exists($this, $method))
119 
				{
120 
					$this->$method($val);
121 
				}
122 
				else
123 
				{
124 
					$this->$key = $val;
125 
				}
126 
			}
127 
		}
128
129 
		$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;
130 
		$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;
131 
	}
132
133 
	// --------------------------------------------------------------------
134
135 
	/**
136 
	 * Initialize the Email Data
137 
	 *
138 
	 * @access	public
139 
	 * @return	void
140 
	 */
141 
	function clear($clear_attachments = FALSE)
142 
	{
143 
		$this->_subject		= "";
144 
		$this->_body		= "";
145 
		$this->_finalbody	= "";
146 
		$this->_header_str	= "";
147 
		$this->_replyto_flag = FALSE;
148 
		$this->_recipients	= array();
149 
		$this->_headers		= array();
150 
		$this->_debug_msg	= array();
151
152 
		$this->_set_header('User-Agent', $this->useragent);
153 
		$this->_set_header('Date', $this->_set_date());
154
155 
		if ($clear_attachments !== FALSE)
156 
		{
157 
			$this->_attach_name = array();
158 
			$this->_attach_type = array();
159 
			$this->_attach_disp = array();
160 
		}
161 
	}
162
163 
	// --------------------------------------------------------------------
164
165 
	/**
166 
	 * Set FROM
167 
	 *
168 
	 * @access	public
169 
	 * @param	string
170 
	 * @param	string
171 
	 * @return	void
172 
	 */
173 
	function from($from, $name = '')
174 
	{
175 
		if (preg_match( '/\<(.*)\>/', $from, $match))
176 
		{
177 
			$from = $match['1'];
178 
		}
179
180 
		if ($this->validate)
181 
		{
182 
			$this->validate_email($this->_str_to_array($from));
183 
		}
184
185 
		if ($name != '' && strncmp($name, '"', 1) != 0)
186 
		{
187 
			$name = '"'.$name.'"';
188 
		}
189
190 
		$this->_set_header('From', $name.' <'.$from.'>');
191 
		$this->_set_header('Return-Path', '<'.$from.'>');
192 
	}
193
194 
	// --------------------------------------------------------------------
195
196 
	/**
197 
	 * Set Reply-to
198 
	 *
199 
	 * @access	public
200 
	 * @param	string
201 
	 * @param	string
202 
	 * @return	void
203 
	 */
204 
	function reply_to($replyto, $name = '')
205 
	{
206 
		if (preg_match( '/\<(.*)\>/', $replyto, $match))
207 
		{
208 
			$replyto = $match['1'];
209 
		}
210
211 
		if ($this->validate)
212 
		{
213 
			$this->validate_email($this->_str_to_array($replyto));
214 
		}
215
216 
		if ($name == '')
217 
		{
218 
			$name = $replyto;
219 
		}
220
221 
		if (strncmp($name, '"', 1) != 0)
222 
		{
223 
			$name = '"'.$name.'"';
224 
		}
225
226 
		$this->_set_header('Reply-To', $name.' <'.$replyto.'>');
227 
		$this->_replyto_flag = TRUE;
228 
	}
229
230 
	// --------------------------------------------------------------------
231
232 
	/**
233 
	 * Set Recipients
234 
	 *
235 
	 * @access	public
236 
	 * @param	string
237 
	 * @return	void
238 
	 */
239 
	function to($to)
240 
	{
241 
		$to = $this->_str_to_array($to);
242 
		$to = $this->clean_email($to);
243
244 
		if ($this->validate)
245 
		{
246 
			$this->validate_email($to);
247 
		}
248
249 
		if ($this->_get_protocol() != 'mail')
250 
		{
251 
			$this->_set_header('To', implode(", ", $to));
252 
		}
253
254 
		switch ($this->_get_protocol())
255 
		{
256 
			case 'smtp'		: $this->_recipients = $to;
257 
			break;
258 
			case 'sendmail'	: $this->_recipients = implode(", ", $to);
259 
			break;
260 
			case 'mail'		: $this->_recipients = implode(", ", $to);
261 
			break;
262 
		}
263 
	}
264
265 
	// --------------------------------------------------------------------
266
267 
	/**
268 
	 * Set CC
269 
	 *
270 
	 * @access	public
271 
	 * @param	string
272 
	 * @return	void
273 
	 */
274 
	function cc($cc)
275 
	{
276 
		$cc = $this->_str_to_array($cc);
277 
		$cc = $this->clean_email($cc);
278
279 
		if ($this->validate)
280 
		{
281 
			$this->validate_email($cc);
282 
		}
283
284 
		$this->_set_header('Cc', implode(", ", $cc));
285
286 
		if ($this->_get_protocol() == "smtp")
287 
		{
288 
			$this->_cc_array = $cc;
289 
		}
290 
	}
291
292 
	// --------------------------------------------------------------------
293
294 
	/**
295 
	 * Set BCC
296 
	 *
297 
	 * @access	public
298 
	 * @param	string
299 
	 * @param	string
300 
	 * @return	void
301 
	 */
302 
	function bcc($bcc, $limit = '')
303 
	{
304 
		if ($limit != '' && is_numeric($limit))
305 
		{
306 
			$this->bcc_batch_mode = TRUE;
307 
			$this->bcc_batch_size = $limit;
308 
		}
309
310 
		$bcc = $this->_str_to_array($bcc);
311 
		$bcc = $this->clean_email($bcc);
312
313 
		if ($this->validate)
314 
		{
315 
			$this->validate_email($bcc);
316 
		}
317
318 
		if (($this->_get_protocol() == "smtp") OR ($this->bcc_batch_mode && count($bcc) > $this->bcc_batch_size))
319 
		{
320 
			$this->_bcc_array = $bcc;
321 
		}
322 
		else
323 
		{
324 
			$this->_set_header('Bcc', implode(", ", $bcc));
325 
		}
326 
	}
327
328 
	// --------------------------------------------------------------------
329
330 
	/**
331 
	 * Set Email Subject
332 
	 *
333 
	 * @access	public
334 
	 * @param	string
335 
	 * @return	void
336 
	 */
337 
	function subject($subject)
338 
	{
339 
		if (strpos($subject, "\r") !== FALSE OR strpos($subject, "\n") !== FALSE)
340 
		{
341 
			$subject = str_replace(array("\r\n", "\r", "\n"), '', $subject);
342 
		}
343
344 
		if (strpos($subject, "\t"))
345 
		{
346 
			$subject = str_replace("\t", ' ', $subject);
347 
		}
348
349 
		$this->_set_header('Subject', trim($subject));
350 
	}
351
352 
	// --------------------------------------------------------------------
353
354 
	/**
355 
	 * Set Body
356 
	 *
357 
	 * @access	public
358 
	 * @param	string
359 
	 * @return	void
360 
	 */
361 
	function message($body)
362 
	{
363 
		$this->_body = stripslashes(rtrim(str_replace("\r", "", $body)));
364 
	}
365
366 
	// --------------------------------------------------------------------
367
368 
	/**
369 
	 * Assign file attachments
370 
	 *
371 
	 * @access	public
372 
	 * @param	string
373 
	 * @return	string
374 
	 */
375 
	function attach($filename, $disposition = 'attachment')
376 
	{
377 
		$this->_attach_name[] = $filename;
378 
		$this->_attach_type[] = $this->_mime_types(next(explode('.', basename($filename))));
379 
		$this->_attach_disp[] = $disposition; // Can also be 'inline'  Not sure if it matters
380 
	}
381
382 
	// --------------------------------------------------------------------
383
384 
	/**
385 
	 * Add a Header Item
386 
	 *
387 
	 * @access	private
388 
	 * @param	string
389 
	 * @param	string
390 
	 * @return	void
391 
	 */
392 
	function _set_header($header, $value)
393 
	{
394 
		$this->_headers[$header] = $value;
395 
	}
396
397 
	// --------------------------------------------------------------------
398
399 
	/**
400 
	 * Convert a String to an Array
401 
	 *
402 
	 * @access	private
403 
	 * @param	string
404 
	 * @return	array
405 
	 */
406 
	function _str_to_array($email)
407 
	{
408 
		if ( ! is_array($email))
409 
		{
410 
			if (strpos($email, ',') !== FALSE)
411 
			{
412 
				$email = preg_split('/[\s,]/', $email, -1, PREG_SPLIT_NO_EMPTY);
413 
			}
414 
			else
415 
			{
416 
				$email = trim($email);
417 
				settype($email, "array");
418 
			}
419 
		}
420 
		return $email;
421 
	}
422
423 
	// --------------------------------------------------------------------
424
425 
	/**
426 
	 * Set Multipart Value
427 
	 *
428 
	 * @access	public
429 
	 * @param	string
430 
	 * @return	void
431 
	 */
432 
	function set_alt_message($str = '')
433 
	{
434 
		$this->alt_message = ($str == '') ? '' : $str;
435 
	}
436
437 
	// --------------------------------------------------------------------
438
439 
	/**
440 
	 * Set Mailtype
441 
	 *
442 
	 * @access	public
443 
	 * @param	string
444 
	 * @return	void
445 
	 */
446 
	function set_mailtype($type = 'text')
447 
	{
448 
		$this->mailtype = ($type == 'html') ? 'html' : 'text';
449 
	}
450
451 
	// --------------------------------------------------------------------
452
453 
	/**
454 
	 * Set Wordwrap
455 
	 *
456 
	 * @access	public
457 
	 * @param	string
458 
	 * @return	void
459 
	 */
460 
	function set_wordwrap($wordwrap = TRUE)
461 
	{
462 
		$this->wordwrap = ($wordwrap === FALSE) ? FALSE : TRUE;
463 
	}
464
465 
	// --------------------------------------------------------------------
466
467 
	/**
468 
	 * Set Protocol
469 
	 *
470 
	 * @access	public
471 
	 * @param	string
472 
	 * @return	void
473 
	 */
474 
	function set_protocol($protocol = 'mail')
475 
	{
476 
		$this->protocol = ( ! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);
477 
	}
478
479 
	// --------------------------------------------------------------------
480
481 
	/**
482 
	 * Set Priority
483 
	 *
484 
	 * @access	public
485 
	 * @param	integer
486 
	 * @return	void
487 
	 */
488 
	function set_priority($n = 3)
489 
	{
490 
		if ( ! is_numeric($n))
491 
		{
492 
			$this->priority = 3;
493 
			return;
494 
		}
495
496 
		if ($n < 1 OR $n > 5)
497 
		{
498 
			$this->priority = 3;
499 
			return;
500 
		}
501
502 
		$this->priority = $n;
503 
	}
504
505 
	// --------------------------------------------------------------------
506
507 
	/**
508 
	 * Set Newline Character
509 
	 *
510 
	 * @access	public
511 
	 * @param	string
512 
	 * @return	void
513 
	 */
514 
	function set_newline($newline = "\n")
515 
	{
516 
		if ($newline != "\n" AND $newline != "\r\n" AND $newline != "\r")
517 
		{
518 
			$this->newline	= "\n";
519 
			return;
520 
		}
521
522 
		$this->newline	= $newline;
523 
	}
524
525 
	// --------------------------------------------------------------------
526
527 
	/**
528 
	 * Set CRLF
529 
	 *
530 
	 * @access	public
531 
	 * @param	string
532 
	 * @return	void
533 
	 */
534 
	function set_crlf($crlf = "\n")
535 
	{
536 
		if ($crlf != "\n" AND $crlf != "\r\n" AND $crlf != "\r")
537 
		{
538 
			$this->crlf	= "\n";
539 
			return;
540 
		}
541
542 
		$this->crlf	= $crlf;
543 
	}
544
545 
	// --------------------------------------------------------------------
546
547 
	/**
548 
	 * Set Message Boundary
549 
	 *
550 
	 * @access	private
551 
	 * @return	void
552 
	 */
553 
	function _set_boundaries()
554 
	{
555 
		$this->_alt_boundary = "B_ALT_".uniqid(''); // multipart/alternative
556 
		$this->_atc_boundary = "B_ATC_".uniqid(''); // attachment boundary
557 
	}
558
559 
	// --------------------------------------------------------------------
560
561 
	/**
562 
	 * Get the Message ID
563 
	 *
564 
	 * @access	private
565 
	 * @return	string
566 
	 */
567 
	function _get_message_id()
568 
	{
569 
		$from = $this->_headers['Return-Path'];
570 
		$from = str_replace(">", "", $from);
571 
		$from = str_replace("<", "", $from);
572
573 
		return  "<".uniqid('').strstr($from, '@').">";
574 
	}
575
576 
	// --------------------------------------------------------------------
577
578 
	/**
579 
	 * Get Mail Protocol
580 
	 *
581 
	 * @access	private
582 
	 * @param	bool
583 
	 * @return	string
584 
	 */
585 
	function _get_protocol($return = TRUE)
586 
	{
587 
		$this->protocol = strtolower($this->protocol);
588 
		$this->protocol = ( ! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;
589
590 
		if ($return == TRUE)
591 
		{
592 
			return $this->protocol;
593 
		}
594 
	}
595
596 
	// --------------------------------------------------------------------
597
598 
	/**
599 
	 * Get Mail Encoding
600 
	 *
601 
	 * @access	private
602 
	 * @param	bool
603 
	 * @return	string
604 
	 */
605 
	function _get_encoding($return = TRUE)
606 
	{
607 
		$this->_encoding = ( ! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;
608
609 
		foreach ($this->_base_charsets as $charset)
610 
		{
611 
			if (strncmp($charset, $this->charset, strlen($charset)) == 0)
612 
			{
613 
				$this->_encoding = '7bit';
614 
			}
615 
		}
616
617 
		if ($return == TRUE)
618 
		{
619 
			return $this->_encoding;
620 
		}
621 
	}
622
623 
	// --------------------------------------------------------------------
624
625 
	/**
626 
	 * Get content type (text/html/attachment)
627 
	 *
628 
	 * @access	private
629 
	 * @return	string
630 
	 */
631 
	function _get_content_type()
632 
	{
633 
		if	($this->mailtype == 'html' &&  count($this->_attach_name) == 0)
634 
		{
635 
			return 'html';
636 
		}
637 
		elseif	($this->mailtype == 'html' &&  count($this->_attach_name)  > 0)
638 
		{
639 
			return 'html-attach';
640 
		}
641 
		elseif	($this->mailtype == 'text' &&  count($this->_attach_name)  > 0)
642 
		{
643 
			return 'plain-attach';
644 
		}
645 
		else
646 
		{
647 
			return 'plain';
648 
		}
649 
	}
650
651 
	// --------------------------------------------------------------------
652
653 
	/**
654 
	 * Set RFC 822 Date
655 
	 *
656 
	 * @access	private
657 
	 * @return	string
658 
	 */
659 
	function _set_date()
660 
	{
661 
		$timezone = date("Z");
662 
		$operator = (strncmp($timezone, '-', 1) == 0) ? '-' : '+';
663 
		$timezone = abs($timezone);
664 
		$timezone = floor($timezone/3600) * 100 + ($timezone % 3600 ) / 60;
665
666 
		return sprintf("%s %s%04d", date("D, j M Y H:i:s"), $operator, $timezone);
667 
	}
668
669 
	// --------------------------------------------------------------------
670
671 
	/**
672 
	 * Mime message
673 
	 *
674 
	 * @access	private
675 
	 * @return	string
676 
	 */
677 
	function _get_mime_message()
678 
	{
679 
		return "This is a multi-part message in MIME format.".$this->newline."Your email application may not support this format.";
680 
	}
681
682 
	// --------------------------------------------------------------------
683
684 
	/**
685 
	 * Validate Email Address
686 
	 *
687 
	 * @access	public
688 
	 * @param	string
689 
	 * @return	bool
690 
	 */
691 
	function validate_email($email)
692 
	{
693 
		if ( ! is_array($email))
694 
		{
695 
			$this->_set_error_message('email_must_be_array');
696 
			return FALSE;
697 
		}
698
699 
		foreach ($email as $val)
700 
		{
701 
			if ( ! $this->valid_email($val))
702 
			{
703 
				$this->_set_error_message('email_invalid_address', $val);
704 
				return FALSE;
705 
			}
706 
		}
707 
	}
708
709 
	// --------------------------------------------------------------------
710
711 
	/**
712 
	 * Email Validation
713 
	 *
714 
	 * @access	public
715 
	 * @param	string
716 
	 * @return	bool
717 
	 */
718 
	function valid_email($address)
719 
	{
720 
		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
721 
	}
722
723 
	// --------------------------------------------------------------------
724
725 
	/**
726 
	 * Clean Extended Email Address: Joe Smith <joe@smith.com>
727 
	 *
728 
	 * @access	public
729 
	 * @param	string
730 
	 * @return	string
731 
	 */
732 
	function clean_email($email)
733 
	{
734 
		if ( ! is_array($email))
735 
		{
736 
			if (preg_match('/\<(.*)\>/', $email, $match))
737 
			{
738 
		   		return $match['1'];
739 
			}
740 
		   	else
741 
			{
742 
		   		return $email;
743 
			}
744 
		}
745
746 
		$clean_email = array();
747
748 
		foreach ($email as $addy)
749 
		{
750 
			if (preg_match( '/\<(.*)\>/', $addy, $match))
751 
			{
752 
		   		$clean_email[] = $match['1'];
753 
			}
754 
		   	else
755 
			{
756 
		   		$clean_email[] = $addy;
757 
			}
758 
		}
759
760 
		return $clean_email;
761 
	}
762
763 
	// --------------------------------------------------------------------
764
765 
	/**
766 
	 * Build alternative plain text message
767 
	 *
768 
	 * This function provides the raw message for use
769 
	 * in plain-text headers of HTML-formatted emails.
770 
	 * If the user hasn't specified his own alternative message
771 
	 * it creates one by stripping the HTML
772 
	 *
773 
	 * @access	private
774 
	 * @return	string
775 
	 */
776 
	function _get_alt_message()
777 
	{
778 
		if ($this->alt_message != "")
779 
		{
780 
			return $this->word_wrap($this->alt_message, '76');
781 
		}
782
783 
		if (preg_match('/\<body.*?\>(.*)\<\/body\>/si', $this->_body, $match))
784 
		{
785 
			$body = $match['1'];
786 
		}
787 
		else
788 
		{
789 
			$body = $this->_body;
790 
		}
791
792 
		$body = trim(strip_tags($body));
793 
		$body = preg_replace( '#<!--(.*)--\>#', "", $body);
794 
		$body = str_replace("\t", "", $body);
795
796 
		for ($i = 20; $i >= 3; $i--)
797 
		{
798 
			$n = "";
799
800 
			for ($x = 1; $x <= $i; $x ++)
801 
			{
802 
				 $n .= "\n";
803 
			}
804
805 
			$body = str_replace($n, "\n\n", $body);
806 
		}
807
808 
		return $this->word_wrap($body, '76');
809 
	}
810
811 
	// --------------------------------------------------------------------
812
813 
	/**
814 
	 * Word Wrap
815 
	 *
816 
	 * @access	public
817 
	 * @param	string
818 
	 * @param	integer
819 
	 * @return	string
820 
	 */
821 
	function word_wrap($str, $charlim = '')
822 
	{
823 
		// Se the character limit
824 
		if ($charlim == '')
825 
		{
826 
			$charlim = ($this->wrapchars == "") ? "76" : $this->wrapchars;
827 
		}
828
829 
		// Reduce multiple spaces
830 
		$str = preg_replace("| +|", " ", $str);
831
832 
		// Standardize newlines
833 
		if (strpos($str, "\r") !== FALSE)
834 
		{
835 
			$str = str_replace(array("\r\n", "\r"), "\n", $str);
836 
		}
837
838 
		// If the current word is surrounded by {unwrap} tags we'll
839 
		// strip the entire chunk and replace it with a marker.
840 
		$unwrap = array();
841 
		if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))
842 
		{
843 
			for ($i = 0; $i < count($matches['0']); $i++)
844 
			{
845 
				$unwrap[] = $matches['1'][$i];
846 
				$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);
847 
			}
848 
		}
849
850 
		// Use PHP's native function to do the initial wordwrap.
851 
		// We set the cut flag to FALSE so that any individual words that are
852 
		// too long get left alone.  In the next step we'll deal with them.
853 
		$str = wordwrap($str, $charlim, "\n", FALSE);
854
855 
		// Split the string into individual lines of text and cycle through them
856 
		$output = "";
857 
		foreach (explode("\n", $str) as $line)
858 
		{
859 
			// Is the line within the allowed character count?
860 
			// If so we'll join it to the output and continue
861 
			if (strlen($line) <= $charlim)
862 
			{
863 
				$output .= $line.$this->newline;
864 
				continue;
865 
			}
866
867 
			$temp = '';
868 
			while((strlen($line)) > $charlim)
869 
			{
870 
				// If the over-length word is a URL we won't wrap it
871 
				if (preg_match("!\[url.+\]|://|wwww.!", $line))
872 
				{
873 
					break;
874 
				}
875
876 
				// Trim the word down
877 
				$temp .= substr($line, 0, $charlim-1);
878 
				$line = substr($line, $charlim-1);
879 
			}
880
881 
			// If $temp contains data it means we had to split up an over-length
882 
			// word into smaller chunks so we'll add it back to our current line
883 
			if ($temp != '')
884 
			{
885 
				$output .= $temp.$this->newline.$line;
886 
			}
887 
			else
888 
			{
889 
				$output .= $line;
890 
			}
891
892 
			$output .= $this->newline;
893 
		}
894
895 
		// Put our markers back
896 
		if (count($unwrap) > 0)
897 
		{
898 
			foreach ($unwrap as $key => $val)
899 
			{
900 
				$output = str_replace("{{unwrapped".$key."}}", $val, $output);
901 
			}
902 
		}
903
904 
		return $output;
905 
	}
906
907 
	// --------------------------------------------------------------------
908
909 
	/**
910 
	 * Build final headers
911 
	 *
912 
	 * @access	private
913 
	 * @param	string
914 
	 * @return	string
915 
	 */
916 
	function _build_headers()
917 
	{
918 
		$this->_set_header('X-Sender', $this->clean_email($this->_headers['From']));
919 
		$this->_set_header('X-Mailer', $this->useragent);
920 
		$this->_set_header('X-Priority', $this->_priorities[$this->priority - 1]);
921 
		$this->_set_header('Message-ID', $this->_get_message_id());
922 
		$this->_set_header('Mime-Version', '1.0');
923 
	}
924
925 
	// --------------------------------------------------------------------
926
927 
	/**
928 
	 * Write Headers as a string
929 
	 *
930 
	 * @access	private
931 
	 * @return	void
932 
	 */
933 
	function _write_headers()
934 
	{
935 
		if ($this->protocol == 'mail')
936 
		{
937 
			$this->_subject = $this->_headers['Subject'];
938 
			unset($this->_headers['Subject']);
939 
		}
940
941 
		reset($this->_headers);
942 
		$this->_header_str = "";
943
944 
		foreach($this->_headers as $key => $val)
945 
		{
946 
			$val = trim($val);
947
948 
			if ($val != "")
949 
			{
950 
				$this->_header_str .= $key.": ".$val.$this->newline;
951 
			}
952 
		}
953
954 
		if ($this->_get_protocol() == 'mail')
955 
		{
956 
			$this->_header_str = substr($this->_header_str, 0, -1);
957 
		}
958 
	}
959
960 
	// --------------------------------------------------------------------
961
962 
	/**
963 
	 * Build Final Body and attachments
964 
	 *
965 
	 * @access	private
966 
	 * @return	void
967 
	 */
968 
	function _build_message()
969 
	{
970 
		if ($this->wordwrap === TRUE  AND  $this->mailtype != 'html')
971 
		{
972 
			$this->_body = $this->word_wrap($this->_body);
973 
		}
974
975 
		$this->_set_boundaries();
976 
		$this->_write_headers();
977
978 
		$hdr = ($this->_get_protocol() == 'mail') ? $this->newline : '';
979
980 
		switch ($this->_get_content_type())
981 
		{
982 
			case 'plain' :
983
984 
				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
985 
				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();
986
987 
				if ($this->_get_protocol() == 'mail')
988 
				{
989 
					$this->_header_str .= $hdr;
990 
					$this->_finalbody = $this->_body;
991
992 
					return;
993 
				}
994
995 
				$hdr .= $this->newline . $this->newline . $this->_body;
996
997 
				$this->_finalbody = $hdr;
998 
				return;
999
1000 
			break;
1001 
			case 'html' :
1002
1003 
				if ($this->send_multipart === FALSE)
1004 
				{
1005 
					$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1006 
					$hdr .= "Content-Transfer-Encoding: quoted-printable";
1007 
				}
1008 
				else
1009 
				{
1010 
					$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline;
1011 
					$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
1012 
					$hdr .= "--" . $this->_alt_boundary . $this->newline;
1013
1014 
					$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1015 
					$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1016 
					$hdr .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
1017
1018 
					$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1019 
					$hdr .= "Content-Transfer-Encoding: quoted-printable";
1020 
				}
1021
1022 
				$this->_body = $this->_prep_quoted_printable($this->_body);
1023
1024 
				if ($this->_get_protocol() == 'mail')
1025 
				{
1026 
					$this->_header_str .= $hdr;
1027 
					$this->_finalbody = $this->_body . $this->newline . $this->newline;
1028
1029 
					if ($this->send_multipart !== FALSE)
1030 
					{
1031 
						$this->_finalbody .= "--" . $this->_alt_boundary . "--";
1032 
					}
1033
1034 
					return;
1035 
				}
1036
1037 
				$hdr .= $this->newline . $this->newline;
1038 
				$hdr .= $this->_body . $this->newline . $this->newline;
1039
1040 
				if ($this->send_multipart !== FALSE)
1041 
				{
1042 
					$hdr .= "--" . $this->_alt_boundary . "--";
1043 
				}
1044
1045 
				$this->_finalbody = $hdr;
1046 
				return;
1047
1048 
			break;
1049 
			case 'plain-attach' :
1050
1051 
				$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline;
1052 
				$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
1053 
				$hdr .= "--" . $this->_atc_boundary . $this->newline;
1054
1055 
				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1056 
				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();
1057
1058 
				if ($this->_get_protocol() == 'mail')
1059 
				{
1060 
					$this->_header_str .= $hdr;
1061
1062 
					$body  = $this->_body . $this->newline . $this->newline;
1063 
				}
1064
1065 
				$hdr .= $this->newline . $this->newline;
1066 
				$hdr .= $this->_body . $this->newline . $this->newline;
1067
1068 
			break;
1069 
			case 'html-attach' :
1070
1071 
				$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline;
1072 
				$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
1073 
				$hdr .= "--" . $this->_atc_boundary . $this->newline;
1074
1075 
				$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline .$this->newline;
1076 
				$hdr .= "--" . $this->_alt_boundary . $this->newline;
1077
1078 
				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1079 
				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1080 
				$hdr .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
1081
1082 
				$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1083 
				$hdr .= "Content-Transfer-Encoding: quoted-printable";
1084
1085 
				$this->_body = $this->_prep_quoted_printable($this->_body);
1086
1087 
				if ($this->_get_protocol() == 'mail')
1088 
				{
1089 
					$this->_header_str .= $hdr;
1090
1091 
					$body  = $this->_body . $this->newline . $this->newline;
1092 
					$body .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;
1093 
				}
1094
1095 
				$hdr .= $this->newline . $this->newline;
1096 
				$hdr .= $this->_body . $this->newline . $this->newline;
1097 
				$hdr .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;
1098
1099 
			break;
1100 
		}
1101
1102 
		$attachment = array();
1103
1104 
		$z = 0;
1105
1106 
		for ($i=0; $i < count($this->_attach_name); $i++)
1107 
		{
1108 
			$filename = $this->_attach_name[$i];
1109 
			$basename = basename($filename);
1110 
			$ctype = $this->_attach_type[$i];
1111
1112 
			if ( ! file_exists($filename))
1113 
			{
1114 
				$this->_set_error_message('email_attachment_missing', $filename);
1115 
				return FALSE;
1116 
			}
1117
1118 
			$h  = "--".$this->_atc_boundary.$this->newline;
1119 
			$h .= "Content-type: ".$ctype."; ";
1120 
			$h .= "name=\"".$basename."\"".$this->newline;
1121 
			$h .= "Content-Disposition: ".$this->_attach_disp[$i].";".$this->newline;
1122 
			$h .= "Content-Transfer-Encoding: base64".$this->newline;
1123
1124 
			$attachment[$z++] = $h;
1125 
			$file = filesize($filename) +1;
1126
1127 
			if ( ! $fp = fopen($filename, FOPEN_READ))
1128 
			{
1129 
				$this->_set_error_message('email_attachment_unreadable', $filename);
1130 
				return FALSE;
1131 
			}
1132
1133 
			$attachment[$z++] = chunk_split(base64_encode(fread($fp, $file)));
1134 
			fclose($fp);
1135 
		}
1136
1137 
		if ($this->_get_protocol() == 'mail')
1138 
		{
1139 
			$this->_finalbody = $body . implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";
1140
1141 
			return;
1142 
		}
1143
1144 
		$this->_finalbody = $hdr.implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";
1145
1146 
		return;
1147 
	}
1148
1149 
	// --------------------------------------------------------------------
1150
1151 
	/**
1152 
	 * Prep Quoted Printable
1153 
	 *
1154 
	 * Prepares string for Quoted-Printable Content-Transfer-Encoding
1155 
	 * Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt
1156 
	 *
1157 
	 * @access	private
1158 
	 * @param	string
1159 
	 * @param	integer
1160 
	 * @return	string
1161 
	 */
1162 
	function _prep_quoted_printable($str, $charlim = '')
1163 
	{
1164 
		// Set the character limit
1165 
		// Don't allow over 76, as that will make servers and MUAs barf
1166 
		// all over quoted-printable data
1167 
		if ($charlim == '' OR $charlim > '76')
1168 
		{
1169 
			$charlim = '76';
1170 
		}
1171
1172 
		// Reduce multiple spaces
1173 
		$str = preg_replace("| +|", " ", $str);
1174
1175 
		// kill nulls
1176 
		$str = preg_replace('/\x00+/', '', $str);
1177
1178 
		// Standardize newlines
1179 
		if (strpos($str, "\r") !== FALSE)
1180 
		{
1181 
			$str = str_replace(array("\r\n", "\r"), "\n", $str);
1182 
		}
1183
1184 
		// We are intentionally wrapping so mail servers will encode characters
1185 
		// properly and MUAs will behave, so {unwrap} must go!
1186 
		$str = str_replace(array('{unwrap}', '{/unwrap}'), '', $str);
1187
1188 
		// Break into an array of lines
1189 
		$lines = explode("\n", $str);
1190
1191 
		$escape = '=';
1192 
		$output = '';
1193
1194 
		foreach ($lines as $line)
1195 
		{
1196 
			$length = strlen($line);
1197 
			$temp = '';
1198
1199 
			// Loop through each character in the line to add soft-wrap
1200 
			// characters at the end of a line " =\r\n" and add the newly
1201 
			// processed line(s) to the output (see comment on $crlf class property)
1202 
			for ($i = 0; $i < $length; $i++)
1203 
			{
1204 
				// Grab the next character
1205 
				$char = substr($line, $i, 1);
1206 
				$ascii = ord($char);
1207
1208 
				// Convert spaces and tabs but only if it's the end of the line
1209 
				if ($i == ($length - 1))
1210 
				{
1211 
					$char = ($ascii == '32' OR $ascii == '9') ? $escape.sprintf('%02s', dechex($ascii)) : $char;
1212 
				}
1213
1214 
				// encode = signs
1215 
				if ($ascii == '61')
1216 
				{
1217 
					$char = $escape.strtoupper(sprintf('%02s', dechex($ascii)));  // =3D
1218 
				}
1219
1220 
				// If we're at the character limit, add the line to the output,
1221 
				// reset our temp variable, and keep on chuggin'
1222 
				if ((strlen($temp) + strlen($char)) >= $charlim)
1223 
				{
1224 
					$output .= $temp.$escape.$this->crlf;
1225 
					$temp = '';
1226 
				}
1227
1228 
				// Add the character to our temporary line
1229 
				$temp .= $char;
1230 
			}
1231
1232 
			// Add our completed line to the output
1233 
			$output .= $temp.$this->crlf;
1234 
		}
1235
1236 
		// get rid of extra CRLF tacked onto the end
1237 
		$output = substr($output, 0, strlen($this->crlf) * -1);
1238
1239 
		return $output;
1240 
	}
1241
1242 
	// --------------------------------------------------------------------
1243
1244 
	/**
1245 
	 * Send Email
1246 
	 *
1247 
	 * @access	public
1248 
	 * @return	bool
1249 
	 */
1250 
	function send()
1251 
	{
1252 
		if ($this->_replyto_flag == FALSE)
1253 
		{
1254 
			$this->reply_to($this->_headers['From']);
1255 
		}
1256
1257 
		if (( ! isset($this->_recipients) AND ! isset($this->_headers['To']))  AND
1258 
			( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
1259 
			( ! isset($this->_headers['Cc'])))
1260 
		{
1261 
			$this->_set_error_message('email_no_recipients');
1262 
			return FALSE;
1263 
		}
1264
1265 
		$this->_build_headers();
1266
1267 
		if ($this->bcc_batch_mode  AND  count($this->_bcc_array) > 0)
1268 
		{
1269 
			if (count($this->_bcc_array) > $this->bcc_batch_size)
1270 
				return $this->batch_bcc_send();
1271 
		}
1272
1273 
		$this->_build_message();
1274
1275 
		if ( ! $this->_spool_email())
1276 
		{
1277 
			return FALSE;
1278 
		}
1279 
		else
1280 
		{
1281 
			return TRUE;
1282 
		}
1283 
	}
1284
1285 
	// --------------------------------------------------------------------
1286
1287 
	/**
1288 
	 * Batch Bcc Send.  Sends groups of BCCs in batches
1289 
	 *
1290 
	 * @access	public
1291 
	 * @return	bool
1292 
	 */
1293 
	function batch_bcc_send()
1294 
	{
1295 
		$float = $this->bcc_batch_size -1;
1296
1297 
		$set = "";
1298
1299 
		$chunk = array();
1300
1301 
		for ($i = 0; $i < count($this->_bcc_array); $i++)
1302 
		{
1303 
			if (isset($this->_bcc_array[$i]))
1304 
			{
1305 
				$set .= ", ".$this->_bcc_array[$i];
1306 
			}
1307
1308 
			if ($i == $float)
1309 
			{
1310 
				$chunk[] = substr($set, 1);
1311 
				$float = $float + $this->bcc_batch_size;
1312 
				$set = "";
1313 
			}
1314
1315 
			if ($i == count($this->_bcc_array)-1)
1316 
			{
1317 
				$chunk[] = substr($set, 1);
1318 
			}
1319 
		}
1320
1321 
		for ($i = 0; $i < count($chunk); $i++)
1322 
		{
1323 
			unset($this->_headers['Bcc']);
1324 
			unset($bcc);
1325
1326 
			$bcc = $this->_str_to_array($chunk[$i]);
1327 
			$bcc = $this->clean_email($bcc);
1328
1329 
			if ($this->protocol != 'smtp')
1330 
			{
1331 
				$this->_set_header('Bcc', implode(", ", $bcc));
1332 
			}
1333 
			else
1334 
			{
1335 
				$this->_bcc_array = $bcc;
1336 
			}
1337
1338 
			$this->_build_message();
1339 
			$this->_spool_email();
1340 
		}
1341 
	}
1342
1343 
	// --------------------------------------------------------------------
1344
1345 
	/**
1346 
	 * Unwrap special elements
1347 
	 *
1348 
	 * @access	private
1349 
	 * @return	void
1350 
	 */
1351 
	function _unwrap_specials()
1352 
	{
1353 
		$this->_finalbody = preg_replace_callback("/\{unwrap\}(.*?)\{\/unwrap\}/si", array($this, '_remove_nl_callback'), $this->_finalbody);
1354 
	}
1355
1356 
	// --------------------------------------------------------------------
1357
1358 
	/**
1359 
	 * Strip line-breaks via callback
1360 
	 *
1361 
	 * @access	private
1362 
	 * @return	string
1363 
	 */
1364 
	function _remove_nl_callback($matches)
1365 
	{
1366 
		if (strpos($matches[1], "\r") !== FALSE OR strpos($matches[1], "\n") !== FALSE)
1367 
		{
1368 
			$matches[1] = str_replace(array("\r\n", "\r", "\n"), '', $matches[1]);
1369 
		}
1370
1371 
		return $matches[1];
1372 
	}
1373
1374 
	// --------------------------------------------------------------------
1375
1376 
	/**
1377 
	 * Spool mail to the mail server
1378 
	 *
1379 
	 * @access	private
1380 
	 * @return	bool
1381 
	 */
1382 
	function _spool_email()
1383 
	{
1384 
		$this->_unwrap_specials();
1385
1386 
		switch ($this->_get_protocol())
1387 
		{
1388 
			case 'mail'	:
1389
1390 
					if ( ! $this->_send_with_mail())
1391 
					{
1392 
						$this->_set_error_message('email_send_failure_phpmail');
1393 
						return FALSE;
1394 
					}
1395 
			break;
1396 
			case 'sendmail'	:
1397
1398 
					if ( ! $this->_send_with_sendmail())
1399 
					{
1400 
						$this->_set_error_message('email_send_failure_sendmail');
1401 
						return FALSE;
1402 
					}
1403 
			break;
1404 
			case 'smtp'	:
1405
1406 
					if ( ! $this->_send_with_smtp())
1407 
					{
1408 
						$this->_set_error_message('email_send_failure_smtp');
1409 
						return FALSE;
1410 
					}
1411 
			break;
1412
1413 
		}
1414
1415 
		$this->_set_error_message('email_sent', $this->_get_protocol());
1416 
		return TRUE;
1417 
	}
1418
1419 
	// --------------------------------------------------------------------
1420
1421 
	/**
1422 
	 * Send using mail()
1423 
	 *
1424 
	 * @access	private
1425 
	 * @return	bool
1426 
	 */
1427 
	function _send_with_mail()
1428 
	{
1429 
		if ($this->_safe_mode == TRUE)
1430 
		{
1431 
			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))
1432 
			{
1433 
				return FALSE;
1434 
			}
1435 
			else
1436 
			{
1437 
				return TRUE;
1438 
			}
1439 
		}
1440 
		else
1441 
		{
1442 
			// most documentation of sendmail using the "-f" flag lacks a space after it, however
1443 
			// we've encountered servers that seem to require it to be in place.
1444 
			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))
1445 
			{
1446 
				return FALSE;
1447 
			}
1448 
			else
1449 
			{
1450 
				return TRUE;
1451 
			}
1452 
		}
1453 
	}
1454
1455 
	// --------------------------------------------------------------------
1456
1457 
	/**
1458 
	 * Send using Sendmail
1459 
	 *
1460 
	 * @access	private
1461 
	 * @return	bool
1462 
	 */
1463 
	function _send_with_sendmail()
1464 
	{
1465 
		$fp = @popen($this->mailpath . " -oi -f ".$this->clean_email($this->_headers['From'])." -t", 'w');
1466
1467 
		if ( ! is_resource($fp))
1468 
		{
1469 
			$this->_set_error_message('email_no_socket');
1470 
			return FALSE;
1471 
		}
1472
1473 
		fputs($fp, $this->_header_str);
1474 
		fputs($fp, $this->_finalbody);
1475 
		pclose($fp) >> 8 & 0xFF;
1476
1477 
		return TRUE;
1478 
	}
1479
1480 
	// --------------------------------------------------------------------
1481
1482 
	/**
1483 
	 * Send using SMTP
1484 
	 *
1485 
	 * @access	private
1486 
	 * @return	bool
1487 
	 */
1488 
	function _send_with_smtp()
1489 
	{
1490 
		if ($this->smtp_host == '')
1491 
		{
1492 
			$this->_set_error_message('email_no_hostname');
1493 
			return FALSE;
1494 
		}
1495
1496 
		$this->_smtp_connect();
1497 
		$this->_smtp_authenticate();
1498
1499 
		$this->_send_command('from', $this->clean_email($this->_headers['From']));
1500
1501 
		foreach($this->_recipients as $val)
1502 
		{
1503 
			$this->_send_command('to', $val);
1504 
		}
1505
1506 
		if (count($this->_cc_array) > 0)
1507 
		{
1508 
			foreach($this->_cc_array as $val)
1509 
			{
1510 
				if ($val != "")
1511 
				{
1512 
					$this->_send_command('to', $val);
1513 
				}
1514 
			}
1515 
		}
1516
1517 
		if (count($this->_bcc_array) > 0)
1518 
		{
1519 
			foreach($this->_bcc_array as $val)
1520 
			{
1521 
				if ($val != "")
1522 
				{
1523 
					$this->_send_command('to', $val);
1524 
				}
1525 
			}
1526 
		}
1527
1528 
		$this->_send_command('data');
1529
1530 
		// perform dot transformation on any lines that begin with a dot
1531 
		$this->_send_data($this->_header_str . preg_replace('/^\./m', '..$1', $this->_finalbody));
1532
1533 
		$this->_send_data('.');
1534
1535 
		$reply = $this->_get_smtp_data();
1536
1537 
		$this->_set_error_message($reply);
1538
1539 
		if (strncmp($reply, '250', 3) != 0)
1540 
		{
1541 
			$this->_set_error_message('email_smtp_error', $reply);
1542 
			return FALSE;
1543 
		}
1544
1545 
		$this->_send_command('quit');
1546 
		return TRUE;
1547 
	}
1548
1549 
	// --------------------------------------------------------------------
1550
1551 
	/**
1552 
	 * SMTP Connect
1553 
	 *
1554 
	 * @access	private
1555 
	 * @param	string
1556 
	 * @return	string
1557 
	 */
1558 
	function _smtp_connect()
1559 
	{
1560 
		$this->_smtp_connect = fsockopen($this->smtp_host,
1561 
										$this->smtp_port,
1562 
										$errno,
1563 
										$errstr,
1564 
										$this->smtp_timeout);
1565
1566 
		if( ! is_resource($this->_smtp_connect))
1567 
		{
1568 
			$this->_set_error_message('email_smtp_error', $errno." ".$errstr);
1569 
			return FALSE;
1570 
		}
1571
1572 
		$this->_set_error_message($this->_get_smtp_data());
1573 
		return $this->_send_command('hello');
1574 
	}
1575
1576 
	// --------------------------------------------------------------------
1577
1578 
	/**
1579 
	 * Send SMTP command
1580 
	 *
1581 
	 * @access	private
1582 
	 * @param	string
1583 
	 * @param	string
1584 
	 * @return	string
1585 
	 */
1586 
	function _send_command($cmd, $data = '')
1587 
	{
1588 
		switch ($cmd)
1589 
		{
1590 
			case 'hello' :
1591
1592 
					if ($this->_smtp_auth OR $this->_get_encoding() == '8bit')
1593 
						$this->_send_data('EHLO '.$this->_get_hostname());
1594 
					else
1595 
						$this->_send_data('HELO '.$this->_get_hostname());
1596
1597 
						$resp = 250;
1598 
			break;
1599 
			case 'from' :
1600
1601 
						$this->_send_data('MAIL FROM:<'.$data.'>');
1602
1603 
						$resp = 250;
1604 
			break;
1605 
			case 'to'	:
1606
1607 
						$this->_send_data('RCPT TO:<'.$data.'>');
1608
1609 
						$resp = 250;
1610 
			break;
1611 
			case 'data'	:
1612
1613 
						$this->_send_data('DATA');
1614
1615 
						$resp = 354;
1616 
			break;
1617 
			case 'quit'	:
1618
1619 
						$this->_send_data('QUIT');
1620
1621 
						$resp = 221;
1622 
			break;
1623 
		}
1624
1625 
		$reply = $this->_get_smtp_data();
1626
1627 
		$this->_debug_msg[] = "<pre>".$cmd.": ".$reply."</pre>";
1628
1629 
		if (substr($reply, 0, 3) != $resp)
1630 
		{
1631 
			$this->_set_error_message('email_smtp_error', $reply);
1632 
			return FALSE;
1633 
		}
1634
1635 
		if ($cmd == 'quit')
1636 
		{
1637 
			fclose($this->_smtp_connect);
1638 
		}
1639
1640 
		return TRUE;
1641 
	}
1642
1643 
	// --------------------------------------------------------------------
1644
1645 
	/**
1646 
	 *  SMTP Authenticate
1647 
	 *
1648 
	 * @access	private
1649 
	 * @return	bool
1650 
	 */
1651 
	function _smtp_authenticate()
1652 
	{
1653 
		if ( ! $this->_smtp_auth)
1654 
		{
1655 
			return TRUE;
1656 
		}
1657
1658 
		if ($this->smtp_user == ""  AND  $this->smtp_pass == "")
1659 
		{
1660 
			$this->_set_error_message('email_no_smtp_unpw');
1661 
			return FALSE;
1662 
		}
1663
1664 
		$this->_send_data('AUTH LOGIN');
1665
1666 
		$reply = $this->_get_smtp_data();
1667
1668 
		if (strncmp($reply, '334', 3) != 0)
1669 
		{
1670 
			$this->_set_error_message('email_failed_smtp_login', $reply);
1671 
			return FALSE;
1672 
		}
1673
1674 
		$this->_send_data(base64_encode($this->smtp_user));
1675
1676 
		$reply = $this->_get_smtp_data();
1677
1678 
		if (strncmp($reply, '334', 3) != 0)
1679 
		{
1680 
			$this->_set_error_message('email_smtp_auth_un', $reply);
1681 
			return FALSE;
1682 
		}
1683
1684 
		$this->_send_data(base64_encode($this->smtp_pass));
1685
1686 
		$reply = $this->_get_smtp_data();
1687
1688 
		if (strncmp($reply, '235', 3) != 0)
1689 
		{
1690 
			$this->_set_error_message('email_smtp_auth_pw', $reply);
1691 
			return FALSE;
1692 
		}
1693
1694 
		return TRUE;
1695 
	}
1696
1697 
	// --------------------------------------------------------------------
1698
1699 
	/**
1700 
	 * Send SMTP data
1701 
	 *
1702 
	 * @access	private
1703 
	 * @return	bool
1704 
	 */
1705 
	function _send_data($data)
1706 
	{
1707 
		if ( ! fwrite($this->_smtp_connect, $data . $this->newline))
1708 
		{
1709 
			$this->_set_error_message('email_smtp_data_failure', $data);
1710 
			return FALSE;
1711 
		}
1712 
		else
1713 
		{
1714 
			return TRUE;
1715 
		}
1716 
	}
1717
1718 
	// --------------------------------------------------------------------
1719
1720 
	/**
1721 
	 * Get SMTP data
1722 
	 *
1723 
	 * @access	private
1724 
	 * @return	string
1725 
	 */
1726 
	function _get_smtp_data()
1727 
	{
1728 
		$data = "";
1729
1730 
		while ($str = fgets($this->_smtp_connect, 512))
1731 
		{
1732 
			$data .= $str;
1733
1734 
			if (substr($str, 3, 1) == " ")
1735 
			{
1736 
				break;
1737 
			}
1738 
		}
1739
1740 
		return $data;
1741 
	}
1742
1743 
	// --------------------------------------------------------------------
1744
1745 
	/**
1746 
	 * Get Hostname
1747 
	 *
1748 
	 * @access	private
1749 
	 * @return	string
1750 
	 */
1751 
	function _get_hostname()
1752 
	{
1753 
		return (isset($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : 'localhost.localdomain';
1754 
	}
1755
1756 
	// --------------------------------------------------------------------
1757
1758 
	/**
1759 
	 * Get IP
1760 
	 *
1761 
	 * @access	private
1762 
	 * @return	string
1763 
	 */
1764 
	function _get_ip()
1765 
	{
1766 
		if ($this->_IP !== FALSE)
1767 
		{
1768 
			return $this->_IP;
1769 
		}
1770
1771 
		$cip = (isset($_SERVER['HTTP_CLIENT_IP']) AND $_SERVER['HTTP_CLIENT_IP'] != "") ? $_SERVER['HTTP_CLIENT_IP'] : FALSE;
1772 
		$rip = (isset($_SERVER['REMOTE_ADDR']) AND $_SERVER['REMOTE_ADDR'] != "") ? $_SERVER['REMOTE_ADDR'] : FALSE;
1773 
		$fip = (isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND $_SERVER['HTTP_X_FORWARDED_FOR'] != "") ? $_SERVER['HTTP_X_FORWARDED_FOR'] : FALSE;
1774
1775 
		if ($cip && $rip) 	$this->_IP = $cip;
1776 
		elseif ($rip)		$this->_IP = $rip;
1777 
		elseif ($cip)		$this->_IP = $cip;
1778 
		elseif ($fip)		$this->_IP = $fip;
1779
1780 
		if (strstr($this->_IP, ','))
1781 
		{
1782 
			$x = explode(',', $this->_IP);
1783 
			$this->_IP = end($x);
1784 
		}
1785
1786 
		if ( ! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))
1787 
		{
1788 
			$this->_IP = '0.0.0.0';
1789 
		}
1790
1791 
		unset($cip);
1792 
		unset($rip);
1793 
		unset($fip);
1794
1795 
		return $this->_IP;
1796 
	}
1797
1798 
	// --------------------------------------------------------------------
1799
1800 
	/**
1801 
	 * Get Debug Message
1802 
	 *
1803 
	 * @access	public
1804 
	 * @return	string
1805 
	 */
1806 
	function print_debugger()
1807 
	{
1808 
		$msg = '';
1809
1810 
		if (count($this->_debug_msg) > 0)
1811 
		{
1812 
			foreach ($this->_debug_msg as $val)
1813 
			{
1814 
				$msg .= $val;
1815 
			}
1816 
		}
1817
1818 
		$msg .= "<pre>".$this->_header_str."\n".htmlspecialchars($this->_subject)."\n".htmlspecialchars($this->_finalbody).'</pre>';
1819 
		return $msg;
1820 
	}
1821
1822 
	// --------------------------------------------------------------------
1823
1824 
	/**
1825 
	 * Set Message
1826 
	 *
1827 
	 * @access	private
1828 
	 * @param	string
1829 
	 * @return	string
1830 
	 */
1831 
	function _set_error_message($msg, $val = '')
1832 
	{
1833 
		$CI =& get_instance();
1834 
		$CI->lang->load('email');
1835
1836 
		if (FALSE === ($line = $CI->lang->line($msg)))
1837 
		{
1838 
			$this->_debug_msg[] = str_replace('%s', $val, $msg)."<br />";
1839 
		}
1840 
		else
1841 
		{
1842 
			$this->_debug_msg[] = str_replace('%s', $val, $line)."<br />";
1843 
		}
1844 
	}
1845
1846 
	// --------------------------------------------------------------------
1847
1848 
	/**
1849 
	 * Mime Types
1850 
	 *
1851 
	 * @access	private
1852 
	 * @param	string
1853 
	 * @return	string
1854 
	 */
1855 
	function _mime_types($ext = "")
1856 
	{
1857 
		$mimes = array(	'hqx'	=>	'application/mac-binhex40',
1858 
						'cpt'	=>	'application/mac-compactpro',
1859 
						'doc'	=>	'application/msword',
1860 
						'bin'	=>	'application/macbinary',
1861 
						'dms'	=>	'application/octet-stream',
1862 
						'lha'	=>	'application/octet-stream',
1863 
						'lzh'	=>	'application/octet-stream',
1864 
						'exe'	=>	'application/octet-stream',
1865 
						'class'	=>	'application/octet-stream',
1866 
						'psd'	=>	'application/octet-stream',
1867 
						'so'	=>	'application/octet-stream',
1868 
						'sea'	=>	'application/octet-stream',
1869 
						'dll'	=>	'application/octet-stream',
1870 
						'oda'	=>	'application/oda',
1871 
						'pdf'	=>	'application/pdf',
1872 
						'ai'	=>	'application/postscript',
1873 
						'eps'	=>	'application/postscript',
1874 
						'ps'	=>	'application/postscript',
1875 
						'smi'	=>	'application/smil',
1876 
						'smil'	=>	'application/smil',
1877 
						'mif'	=>	'application/vnd.mif',
1878 
						'xls'	=>	'application/vnd.ms-excel',
1879 
						'ppt'	=>	'application/vnd.ms-powerpoint',
1880 
						'wbxml'	=>	'application/vnd.wap.wbxml',
1881 
						'wmlc'	=>	'application/vnd.wap.wmlc',
1882 
						'dcr'	=>	'application/x-director',
1883 
						'dir'	=>	'application/x-director',
1884 
						'dxr'	=>	'application/x-director',
1885 
						'dvi'	=>	'application/x-dvi',
1886 
						'gtar'	=>	'application/x-gtar',
1887 
						'php'	=>	'application/x-httpd-php',
1888 
						'php4'	=>	'application/x-httpd-php',
1889 
						'php3'	=>	'application/x-httpd-php',
1890 
						'phtml'	=>	'application/x-httpd-php',
1891 
						'phps'	=>	'application/x-httpd-php-source',
1892 
						'js'	=>	'application/x-javascript',
1893 
						'swf'	=>	'application/x-shockwave-flash',
1894 
						'sit'	=>	'application/x-stuffit',
1895 
						'tar'	=>	'application/x-tar',
1896 
						'tgz'	=>	'application/x-tar',
1897 
						'xhtml'	=>	'application/xhtml+xml',
1898 
						'xht'	=>	'application/xhtml+xml',
1899 
						'zip'	=>	'application/zip',
1900 
						'mid'	=>	'audio/midi',
1901 
						'midi'	=>	'audio/midi',
1902 
						'mpga'	=>	'audio/mpeg',
1903 
						'mp2'	=>	'audio/mpeg',
1904 
						'mp3'	=>	'audio/mpeg',
1905 
						'aif'	=>	'audio/x-aiff',
1906 
						'aiff'	=>	'audio/x-aiff',
1907 
						'aifc'	=>	'audio/x-aiff',
1908 
						'ram'	=>	'audio/x-pn-realaudio',
1909 
						'rm'	=>	'audio/x-pn-realaudio',
1910 
						'rpm'	=>	'audio/x-pn-realaudio-plugin',
1911 
						'ra'	=>	'audio/x-realaudio',
1912 
						'rv'	=>	'video/vnd.rn-realvideo',
1913 
						'wav'	=>	'audio/x-wav',
1914 
						'bmp'	=>	'image/bmp',
1915 
						'gif'	=>	'image/gif',
1916 
						'jpeg'	=>	'image/jpeg',
1917 
						'jpg'	=>	'image/jpeg',
1918 
						'jpe'	=>	'image/jpeg',
1919 
						'png'	=>	'image/png',
1920 
						'tiff'	=>	'image/tiff',
1921 
						'tif'	=>	'image/tiff',
1922 
						'css'	=>	'text/css',
1923 
						'html'	=>	'text/html',
1924 
						'htm'	=>	'text/html',
1925 
						'shtml'	=>	'text/html',
1926 
						'txt'	=>	'text/plain',
1927 
						'text'	=>	'text/plain',
1928 
						'log'	=>	'text/plain',
1929 
						'rtx'	=>	'text/richtext',
1930 
						'rtf'	=>	'text/rtf',
1931 
						'xml'	=>	'text/xml',
1932 
						'xsl'	=>	'text/xml',
1933 
						'mpeg'	=>	'video/mpeg',
1934 
						'mpg'	=>	'video/mpeg',
1935 
						'mpe'	=>	'video/mpeg',
1936 
						'qt'	=>	'video/quicktime',
1937 
						'mov'	=>	'video/quicktime',
1938 
						'avi'	=>	'video/x-msvideo',
1939 
						'movie'	=>	'video/x-sgi-movie',
1940 
						'doc'	=>	'application/msword',
1941 
						'word'	=>	'application/msword',
1942 
						'xl'	=>	'application/excel',
1943 
						'eml'	=>	'message/rfc822'
1944 
					);
1945
1946 
		return ( ! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];
1947 
	}
1948
1949 
}
1950 
// END CI_Email class
1951
1952 
/* End of file Email.php */
1953 
/* Location: ./system/libraries/Email.php */