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/halogy/libraries/Email.php

https://bitbucket.org/haloweb/halogy-1.0/
PHP | 2041 lines | 1499 code | 243 blank | 299 comment | 144 complexity | 50dc761c3dbbb26113918687261e3edd MD5 | raw file
   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 - 2009, 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 */
  29class 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($from));
 183		}
 184
 185		// prepare the display name
 186		if ($name != '')
 187		{
 188			// only use Q encoding if there are characters that would require it
 189			if ( ! preg_match('/[\200-\377]/', $name))
 190			{
 191				// add slashes for non-printing characters, slashes, and double quotes, and surround it in double quotes
 192				$name = '"'.addcslashes($name, "\0..\37\177'\"\\").'"';
 193			}
 194			else
 195			{
 196				$name = $this->_prep_q_encoding($name, TRUE);
 197			}
 198		}
 199
 200		$this->_set_header('From', $name.' <'.$from.'>');
 201		$this->_set_header('Return-Path', '<'.$from.'>');
 202	}
 203  
 204	// --------------------------------------------------------------------
 205
 206	/**
 207	 * Set Reply-to
 208	 *
 209	 * @access	public
 210	 * @param	string
 211	 * @param	string
 212	 * @return	void
 213	 */
 214	function reply_to($replyto, $name = '')
 215	{
 216		if (preg_match( '/\<(.*)\>/', $replyto, $match))
 217		{
 218			$replyto = $match['1'];
 219		}
 220
 221		if ($this->validate)
 222		{
 223			$this->validate_email($this->_str_to_array($replyto));
 224		}
 225
 226		if ($name == '')
 227		{
 228			$name = $replyto;
 229		}
 230
 231		if (strncmp($name, '"', 1) != 0)
 232		{
 233			$name = '"'.$name.'"';
 234		}
 235
 236		$this->_set_header('Reply-To', $name.' <'.$replyto.'>');
 237		$this->_replyto_flag = TRUE;
 238	}
 239  
 240	// --------------------------------------------------------------------
 241
 242	/**
 243	 * Set Recipients
 244	 *
 245	 * @access	public
 246	 * @param	string
 247	 * @return	void
 248	 */
 249	function to($to)
 250	{
 251		$to = $this->_str_to_array($to);
 252		$to = $this->clean_email($to);
 253
 254		if ($this->validate)
 255		{
 256			$this->validate_email($to);
 257		}
 258
 259		if ($this->_get_protocol() != 'mail')
 260		{
 261			$this->_set_header('To', implode(", ", $to));
 262		}
 263
 264		switch ($this->_get_protocol())
 265		{
 266			case 'smtp'		: $this->_recipients = $to;
 267			break;
 268			case 'sendmail'	: $this->_recipients = implode(", ", $to);
 269			break;
 270			case 'mail'		: $this->_recipients = implode(", ", $to);
 271			break;
 272		}
 273	}
 274  
 275	// --------------------------------------------------------------------
 276
 277	/**
 278	 * Set CC
 279	 *
 280	 * @access	public
 281	 * @param	string
 282	 * @return	void
 283	 */
 284	function cc($cc)
 285	{
 286		$cc = $this->_str_to_array($cc);
 287		$cc = $this->clean_email($cc);
 288
 289		if ($this->validate)
 290		{
 291			$this->validate_email($cc);
 292		}
 293
 294		$this->_set_header('Cc', implode(", ", $cc));
 295
 296		if ($this->_get_protocol() == "smtp")
 297		{
 298			$this->_cc_array = $cc;
 299		}
 300	}
 301  
 302	// --------------------------------------------------------------------
 303
 304	/**
 305	 * Set BCC
 306	 *
 307	 * @access	public
 308	 * @param	string
 309	 * @param	string
 310	 * @return	void
 311	 */
 312	function bcc($bcc, $limit = '')
 313	{
 314		if ($limit != '' && is_numeric($limit))
 315		{
 316			$this->bcc_batch_mode = TRUE;
 317			$this->bcc_batch_size = $limit;
 318		}
 319
 320		$bcc = $this->_str_to_array($bcc);
 321		$bcc = $this->clean_email($bcc);
 322
 323		if ($this->validate)
 324		{
 325			$this->validate_email($bcc);
 326		}
 327
 328		if (($this->_get_protocol() == "smtp") OR ($this->bcc_batch_mode && count($bcc) > $this->bcc_batch_size))
 329		{
 330			$this->_bcc_array = $bcc;
 331		}
 332		else
 333		{
 334			$this->_set_header('Bcc', implode(", ", $bcc));
 335		}
 336	}
 337  
 338	// --------------------------------------------------------------------
 339
 340	/**
 341	 * Set Email Subject
 342	 *
 343	 * @access	public
 344	 * @param	string
 345	 * @return	void
 346	 */
 347	function subject($subject)
 348	{
 349		$subject = $this->_prep_q_encoding($subject);
 350		$this->_set_header('Subject', $subject);
 351	}
 352  
 353	// --------------------------------------------------------------------
 354
 355	/**
 356	 * Set Body
 357	 *
 358	 * @access	public
 359	 * @param	string
 360	 * @return	void
 361	 */
 362	function message($body)
 363	{
 364		$this->_body = stripslashes(rtrim(str_replace("\r", "", $body)));
 365	}
 366 
 367	// --------------------------------------------------------------------
 368
 369	/**
 370	 * Assign file attachments
 371	 *
 372	 * @access	public
 373	 * @param	string
 374	 * @return	void
 375	 */
 376	function attach($filename, $disposition = 'attachment')
 377	{
 378		$this->_attach_name[] = $filename;
 379		$this->_attach_type[] = $this->_mime_types(next(explode('.', basename($filename))));
 380		$this->_attach_disp[] = $disposition; // Can also be 'inline'  Not sure if it matters
 381	}
 382
 383	// --------------------------------------------------------------------
 384
 385	/**
 386	 * Add a Header Item
 387	 *
 388	 * @access	private
 389	 * @param	string
 390	 * @param	string
 391	 * @return	void
 392	 */
 393	function _set_header($header, $value)
 394	{
 395		$this->_headers[$header] = $value;
 396	}
 397  
 398	// --------------------------------------------------------------------
 399
 400	/**
 401	 * Convert a String to an Array
 402	 *
 403	 * @access	private
 404	 * @param	string
 405	 * @return	array
 406	 */
 407	function _str_to_array($email)
 408	{
 409		if ( ! is_array($email))
 410		{
 411			if (strpos($email, ',') !== FALSE)
 412			{
 413				$email = preg_split('/[\s,]/', $email, -1, PREG_SPLIT_NO_EMPTY);
 414			}
 415			else
 416			{
 417				$email = trim($email);
 418				settype($email, "array");
 419			}
 420		}
 421		return $email;
 422	}
 423  
 424	// --------------------------------------------------------------------
 425
 426	/**
 427	 * Set Multipart Value
 428	 *
 429	 * @access	public
 430	 * @param	string
 431	 * @return	void
 432	 */
 433	function set_alt_message($str = '')
 434	{
 435		$this->alt_message = ($str == '') ? '' : $str;
 436	}
 437  
 438	// --------------------------------------------------------------------
 439
 440	/**
 441	 * Set Mailtype
 442	 *
 443	 * @access	public
 444	 * @param	string
 445	 * @return	void
 446	 */
 447	function set_mailtype($type = 'text')
 448	{
 449		$this->mailtype = ($type == 'html') ? 'html' : 'text';
 450	}
 451  
 452	// --------------------------------------------------------------------
 453
 454	/**
 455	 * Set Wordwrap
 456	 *
 457	 * @access	public
 458	 * @param	string
 459	 * @return	void
 460	 */
 461	function set_wordwrap($wordwrap = TRUE)
 462	{
 463		$this->wordwrap = ($wordwrap === FALSE) ? FALSE : TRUE;
 464	}
 465  
 466	// --------------------------------------------------------------------
 467
 468	/**
 469	 * Set Protocol
 470	 *
 471	 * @access	public
 472	 * @param	string
 473	 * @return	void
 474	 */
 475	function set_protocol($protocol = 'mail')
 476	{
 477		$this->protocol = ( ! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);
 478	}
 479  
 480	// --------------------------------------------------------------------
 481
 482	/**
 483	 * Set Priority
 484	 *
 485	 * @access	public
 486	 * @param	integer
 487	 * @return	void
 488	 */
 489	function set_priority($n = 3)
 490	{
 491		if ( ! is_numeric($n))
 492		{
 493			$this->priority = 3;
 494			return;
 495		}
 496
 497		if ($n < 1 OR $n > 5)
 498		{
 499			$this->priority = 3;
 500			return;
 501		}
 502
 503		$this->priority = $n;
 504	}
 505  
 506	// --------------------------------------------------------------------
 507
 508	/**
 509	 * Set Newline Character
 510	 *
 511	 * @access	public
 512	 * @param	string
 513	 * @return	void
 514	 */
 515	function set_newline($newline = "\n")
 516	{
 517		if ($newline != "\n" AND $newline != "\r\n" AND $newline != "\r")
 518		{
 519			$this->newline	= "\n";
 520			return;
 521		}
 522
 523		$this->newline	= $newline;
 524	}
 525  
 526	// --------------------------------------------------------------------
 527
 528	/**
 529	 * Set CRLF
 530	 *
 531	 * @access	public
 532	 * @param	string
 533	 * @return	void
 534	 */
 535	function set_crlf($crlf = "\n")
 536	{
 537		if ($crlf != "\n" AND $crlf != "\r\n" AND $crlf != "\r")
 538		{
 539			$this->crlf	= "\n";
 540			return;
 541		}
 542
 543		$this->crlf	= $crlf;
 544	}
 545  
 546	// --------------------------------------------------------------------
 547
 548	/**
 549	 * Set Message Boundary
 550	 *
 551	 * @access	private
 552	 * @return	void
 553	 */
 554	function _set_boundaries()
 555	{
 556		$this->_alt_boundary = "B_ALT_".uniqid(''); // multipart/alternative
 557		$this->_atc_boundary = "B_ATC_".uniqid(''); // attachment boundary
 558	}
 559  
 560	// --------------------------------------------------------------------
 561
 562	/**
 563	 * Get the Message ID
 564	 *
 565	 * @access	private
 566	 * @return	string
 567	 */
 568	function _get_message_id()
 569	{
 570		$from = $this->_headers['Return-Path'];
 571		$from = str_replace(">", "", $from);
 572		$from = str_replace("<", "", $from);
 573
 574		return  "<".uniqid('').strstr($from, '@').">";
 575	}
 576  
 577	// --------------------------------------------------------------------
 578
 579	/**
 580	 * Get Mail Protocol
 581	 *
 582	 * @access	private
 583	 * @param	bool
 584	 * @return	string
 585	 */
 586	function _get_protocol($return = TRUE)
 587	{
 588		$this->protocol = strtolower($this->protocol);
 589		$this->protocol = ( ! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;
 590
 591		if ($return == TRUE)
 592		{
 593			return $this->protocol;
 594		}
 595	}
 596  
 597	// --------------------------------------------------------------------
 598
 599	/**
 600	 * Get Mail Encoding
 601	 *
 602	 * @access	private
 603	 * @param	bool
 604	 * @return	string
 605	 */
 606	function _get_encoding($return = TRUE)
 607	{
 608		$this->_encoding = ( ! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;
 609
 610		foreach ($this->_base_charsets as $charset)
 611		{
 612			if (strncmp($charset, $this->charset, strlen($charset)) == 0)
 613			{
 614				$this->_encoding = '7bit';
 615			}
 616		}
 617
 618		if ($return == TRUE)
 619		{
 620			return $this->_encoding;
 621		}
 622	}
 623
 624	// --------------------------------------------------------------------
 625
 626	/**
 627	 * Get content type (text/html/attachment)
 628	 *
 629	 * @access	private
 630	 * @return	string
 631	 */
 632	function _get_content_type()
 633	{
 634		if	($this->mailtype == 'html' &&  count($this->_attach_name) == 0)
 635		{
 636			return 'html';
 637		}
 638		elseif	($this->mailtype == 'html' &&  count($this->_attach_name)  > 0)
 639		{
 640			return 'html-attach';
 641		}
 642		elseif	($this->mailtype == 'text' &&  count($this->_attach_name)  > 0)
 643		{
 644			return 'plain-attach';
 645		}
 646		else
 647		{
 648			return 'plain';
 649		}
 650	}
 651  
 652	// --------------------------------------------------------------------
 653
 654	/**
 655	 * Set RFC 822 Date
 656	 *
 657	 * @access	private
 658	 * @return	string
 659	 */
 660	function _set_date()
 661	{
 662		$timezone = date("Z");
 663		$operator = (strncmp($timezone, '-', 1) == 0) ? '-' : '+';
 664		$timezone = abs($timezone);
 665		$timezone = floor($timezone/3600) * 100 + ($timezone % 3600 ) / 60;
 666
 667		return sprintf("%s %s%04d", date("D, j M Y H:i:s"), $operator, $timezone);
 668	}
 669  
 670	// --------------------------------------------------------------------
 671
 672	/**
 673	 * Mime message
 674	 *
 675	 * @access	private
 676	 * @return	string
 677	 */
 678	function _get_mime_message()
 679	{
 680		return "This is a multi-part message in MIME format.".$this->newline."Your email application may not support this format.";
 681	}
 682  
 683	// --------------------------------------------------------------------
 684
 685	/**
 686	 * Validate Email Address
 687	 *
 688	 * @access	public
 689	 * @param	string
 690	 * @return	bool
 691	 */
 692	function validate_email($email)
 693	{
 694		if ( ! is_array($email))
 695		{
 696			$this->_set_error_message('email_must_be_array');
 697			return FALSE;
 698		}
 699
 700		foreach ($email as $val)
 701		{
 702			if ( ! $this->valid_email($val))
 703			{
 704				$this->_set_error_message('email_invalid_address', $val);
 705				return FALSE;
 706			}
 707		}
 708
 709		return TRUE;
 710	}
 711  
 712	// --------------------------------------------------------------------
 713
 714	/**
 715	 * Email Validation
 716	 *
 717	 * @access	public
 718	 * @param	string
 719	 * @return	bool
 720	 */
 721	function valid_email($address)
 722	{
 723		return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
 724	}
 725  
 726	// --------------------------------------------------------------------
 727
 728	/**
 729	 * Clean Extended Email Address: Joe Smith <joe@smith.com>
 730	 *
 731	 * @access	public
 732	 * @param	string
 733	 * @return	string
 734	 */
 735	function clean_email($email)
 736	{
 737		if ( ! is_array($email))
 738		{
 739			if (preg_match('/\<(.*)\>/', $email, $match))
 740			{
 741		   		return $match['1'];
 742			}
 743		   	else
 744			{
 745		   		return $email;
 746			}
 747		}
 748
 749		$clean_email = array();
 750
 751		foreach ($email as $addy)
 752		{
 753			if (preg_match( '/\<(.*)\>/', $addy, $match))
 754			{
 755		   		$clean_email[] = $match['1'];
 756			}
 757		   	else
 758			{
 759		   		$clean_email[] = $addy;
 760			}
 761		}
 762
 763		return $clean_email;
 764	}
 765  
 766	// --------------------------------------------------------------------
 767
 768	/**
 769	 * Build alternative plain text message
 770	 *
 771	 * This function provides the raw message for use
 772	 * in plain-text headers of HTML-formatted emails.
 773	 * If the user hasn't specified his own alternative message
 774	 * it creates one by stripping the HTML
 775	 *
 776	 * @access	private
 777	 * @return	string
 778	 */
 779	function _get_alt_message()
 780	{
 781		if ($this->alt_message != "")
 782		{
 783			return $this->word_wrap($this->alt_message, '76');
 784		}
 785
 786		if (preg_match('/\<body.*?\>(.*)\<\/body\>/si', $this->_body, $match))
 787		{
 788			$body = $match['1'];
 789		}
 790		else
 791		{
 792			$body = $this->_body;
 793		}
 794
 795		$body = trim(strip_tags($body));
 796		$body = preg_replace( '#<!--(.*)--\>#', "", $body);
 797		$body = str_replace("\t", "", $body);
 798
 799		for ($i = 20; $i >= 3; $i--)
 800		{
 801			$n = "";
 802
 803			for ($x = 1; $x <= $i; $x ++)
 804			{
 805				 $n .= "\n";
 806			}
 807
 808			$body = str_replace($n, "\n\n", $body);
 809		}
 810
 811		return $this->word_wrap($body, '76');
 812	}
 813  
 814	// --------------------------------------------------------------------
 815
 816	/**
 817	 * Word Wrap
 818	 *
 819	 * @access	public
 820	 * @param	string
 821	 * @param	integer
 822	 * @return	string
 823	 */
 824	function word_wrap($str, $charlim = '')
 825	{
 826		// Se the character limit
 827		if ($charlim == '')
 828		{
 829			$charlim = ($this->wrapchars == "") ? "76" : $this->wrapchars;
 830		}
 831
 832		// Reduce multiple spaces
 833		$str = preg_replace("| +|", " ", $str);
 834
 835		// Standardize newlines
 836		if (strpos($str, "\r") !== FALSE)
 837		{
 838			$str = str_replace(array("\r\n", "\r"), "\n", $str);
 839		}
 840
 841		// If the current word is surrounded by {unwrap} tags we'll
 842		// strip the entire chunk and replace it with a marker.
 843		$unwrap = array();
 844		if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))
 845		{
 846			for ($i = 0; $i < count($matches['0']); $i++)
 847			{
 848				$unwrap[] = $matches['1'][$i];
 849				$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);
 850			}
 851		}
 852
 853		// Use PHP's native function to do the initial wordwrap.
 854		// We set the cut flag to FALSE so that any individual words that are
 855		// too long get left alone.  In the next step we'll deal with them.
 856		$str = wordwrap($str, $charlim, "\n", FALSE);
 857
 858		// Split the string into individual lines of text and cycle through them
 859		$output = "";
 860		foreach (explode("\n", $str) as $line)
 861		{
 862			// Is the line within the allowed character count?
 863			// If so we'll join it to the output and continue
 864			if (strlen($line) <= $charlim)
 865			{
 866				$output .= $line.$this->newline;
 867				continue;
 868			}
 869
 870			$temp = '';
 871			while((strlen($line)) > $charlim)
 872			{
 873				// If the over-length word is a URL we won't wrap it
 874				if (preg_match("!\[url.+\]|://|wwww.!", $line))
 875				{
 876					break;
 877				}
 878
 879				// Trim the word down
 880				$temp .= substr($line, 0, $charlim-1);
 881				$line = substr($line, $charlim-1);
 882			}
 883
 884			// If $temp contains data it means we had to split up an over-length
 885			// word into smaller chunks so we'll add it back to our current line
 886			if ($temp != '')
 887			{
 888				$output .= $temp.$this->newline.$line;
 889			}
 890			else
 891			{
 892				$output .= $line;
 893			}
 894
 895			$output .= $this->newline;
 896		}
 897
 898		// Put our markers back
 899		if (count($unwrap) > 0)
 900		{
 901			foreach ($unwrap as $key => $val)
 902			{
 903				$output = str_replace("{{unwrapped".$key."}}", $val, $output);
 904			}
 905		}
 906
 907		return $output;
 908	}
 909  
 910	// --------------------------------------------------------------------
 911
 912	/**
 913	 * Build final headers
 914	 *
 915	 * @access	private
 916	 * @param	string
 917	 * @return	string
 918	 */
 919	function _build_headers()
 920	{
 921		$this->_set_header('X-Sender', $this->clean_email($this->_headers['From']));
 922		$this->_set_header('X-Mailer', $this->useragent);
 923		$this->_set_header('X-Priority', $this->_priorities[$this->priority - 1]);
 924		$this->_set_header('Message-ID', $this->_get_message_id());
 925		$this->_set_header('Mime-Version', '1.0');
 926	}
 927  
 928	// --------------------------------------------------------------------
 929
 930	/**
 931	 * Write Headers as a string
 932	 *
 933	 * @access	private
 934	 * @return	void
 935	 */
 936	function _write_headers()
 937	{
 938		if ($this->protocol == 'mail')
 939		{
 940			$this->_subject = $this->_headers['Subject'];
 941			unset($this->_headers['Subject']);
 942		}
 943
 944		reset($this->_headers);
 945		$this->_header_str = "";
 946
 947		foreach($this->_headers as $key => $val)
 948		{
 949			$val = trim($val);
 950
 951			if ($val != "")
 952			{
 953				$this->_header_str .= $key.": ".$val.$this->newline;
 954			}
 955		}
 956
 957		if ($this->_get_protocol() == 'mail')
 958		{
 959			$this->_header_str = rtrim($this->_header_str);
 960		}
 961	}
 962  
 963	// --------------------------------------------------------------------
 964
 965	/**
 966	 * Build Final Body and attachments
 967	 *
 968	 * @access	private
 969	 * @return	void
 970	 */
 971	function _build_message()
 972	{
 973		if ($this->wordwrap === TRUE  AND  $this->mailtype != 'html')
 974		{
 975			$this->_body = $this->word_wrap($this->_body);
 976		}
 977
 978		$this->_set_boundaries();
 979		$this->_write_headers();
 980
 981		$hdr = ($this->_get_protocol() == 'mail') ? $this->newline : '';
 982
 983		switch ($this->_get_content_type())
 984		{
 985			case 'plain' :
 986
 987				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
 988				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();
 989
 990				if ($this->_get_protocol() == 'mail')
 991				{
 992					$this->_header_str .= $hdr;
 993					$this->_finalbody = $this->_body;
 994
 995					return;
 996				}
 997
 998				$hdr .= $this->newline . $this->newline . $this->_body;
 999
1000				$this->_finalbody = $hdr;
1001				return;
1002
1003			break;
1004			case 'html' :
1005
1006				if ($this->send_multipart === FALSE)
1007				{
1008					$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1009					$hdr .= "Content-Transfer-Encoding: quoted-printable";
1010				}
1011				else
1012				{
1013					$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline . $this->newline;
1014					$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
1015					$hdr .= "--" . $this->_alt_boundary . $this->newline;
1016
1017					$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1018					$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1019					$hdr .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
1020
1021					$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1022					$hdr .= "Content-Transfer-Encoding: quoted-printable";
1023				}
1024
1025				$this->_body = $this->_prep_quoted_printable($this->_body);
1026
1027				if ($this->_get_protocol() == 'mail')
1028				{
1029					$this->_header_str .= $hdr;
1030					$this->_finalbody = $this->_body . $this->newline . $this->newline;
1031
1032					if ($this->send_multipart !== FALSE)
1033					{
1034						$this->_finalbody .= "--" . $this->_alt_boundary . "--";
1035					}
1036
1037					return;
1038				}
1039
1040				$hdr .= $this->newline . $this->newline;
1041				$hdr .= $this->_body . $this->newline . $this->newline;
1042
1043				if ($this->send_multipart !== FALSE)
1044				{
1045					$hdr .= "--" . $this->_alt_boundary . "--";
1046				}
1047
1048				$this->_finalbody = $hdr;
1049				return;
1050
1051			break;
1052			case 'plain-attach' :
1053
1054				$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
1055				$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
1056				$hdr .= "--" . $this->_atc_boundary . $this->newline;
1057
1058				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1059				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();
1060
1061				if ($this->_get_protocol() == 'mail')
1062				{
1063					$this->_header_str .= $hdr;
1064
1065					$body  = $this->_body . $this->newline . $this->newline;
1066				}
1067
1068				$hdr .= $this->newline . $this->newline;
1069				$hdr .= $this->_body . $this->newline . $this->newline;
1070
1071			break;
1072			case 'html-attach' :
1073
1074				$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
1075				$hdr .= $this->_get_mime_message() . $this->newline . $this->newline;
1076				$hdr .= "--" . $this->_atc_boundary . $this->newline;
1077
1078				$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline .$this->newline;
1079				$hdr .= "--" . $this->_alt_boundary . $this->newline;
1080
1081				$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1082				$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1083				$hdr .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
1084
1085				$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1086				$hdr .= "Content-Transfer-Encoding: quoted-printable";
1087
1088				$this->_body = $this->_prep_quoted_printable($this->_body);
1089
1090				if ($this->_get_protocol() == 'mail')
1091				{
1092					$this->_header_str .= $hdr;
1093
1094					$body  = $this->_body . $this->newline . $this->newline;
1095					$body .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;
1096				}
1097
1098				$hdr .= $this->newline . $this->newline;
1099				$hdr .= $this->_body . $this->newline . $this->newline;
1100				$hdr .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;
1101
1102			break;
1103		}
1104
1105		$attachment = array();
1106
1107		$z = 0;
1108
1109		for ($i=0; $i < count($this->_attach_name); $i++)
1110		{
1111			$filename = $this->_attach_name[$i];
1112			$basename = basename($filename);
1113			$ctype = $this->_attach_type[$i];
1114
1115			if ( ! file_exists($filename))
1116			{
1117				$this->_set_error_message('email_attachment_missing', $filename);
1118				return FALSE;
1119			}
1120
1121			$h  = "--".$this->_atc_boundary.$this->newline;
1122			$h .= "Content-type: ".$ctype."; ";
1123			$h .= "name=\"".$basename."\"".$this->newline;
1124			$h .= "Content-Disposition: ".$this->_attach_disp[$i].";".$this->newline;
1125			$h .= "Content-Transfer-Encoding: base64".$this->newline;
1126
1127			$attachment[$z++] = $h;
1128			$file = filesize($filename) +1;
1129
1130			if ( ! $fp = fopen($filename, FOPEN_READ))
1131			{
1132				$this->_set_error_message('email_attachment_unreadable', $filename);
1133				return FALSE;
1134			}
1135
1136			$attachment[$z++] = chunk_split(base64_encode(fread($fp, $file)));
1137			fclose($fp);
1138		}
1139
1140		if ($this->_get_protocol() == 'mail')
1141		{
1142			$this->_finalbody = $body . implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";
1143
1144			return;
1145		}
1146
1147		$this->_finalbody = $hdr.implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";
1148
1149		return;
1150	}
1151  
1152	// --------------------------------------------------------------------
1153
1154	/**
1155	 * Prep Quoted Printable
1156	 *
1157	 * Prepares string for Quoted-Printable Content-Transfer-Encoding
1158	 * Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt
1159	 *
1160	 * @access	private
1161	 * @param	string
1162	 * @param	integer
1163	 * @return	string
1164	 */
1165	function _prep_quoted_printable($str, $charlim = '')
1166	{
1167		// Set the character limit
1168		// Don't allow over 76, as that will make servers and MUAs barf
1169		// all over quoted-printable data
1170		if ($charlim == '' OR $charlim > '76')
1171		{
1172			$charlim = '76';
1173		}
1174
1175		// Reduce multiple spaces
1176		$str = preg_replace("| +|", " ", $str);
1177
1178		// kill nulls
1179		$str = preg_replace('/\x00+/', '', $str);
1180
1181		// Standardize newlines
1182		if (strpos($str, "\r") !== FALSE)
1183		{
1184			$str = str_replace(array("\r\n", "\r"), "\n", $str);
1185		}
1186
1187		// We are intentionally wrapping so mail servers will encode characters
1188		// properly and MUAs will behave, so {unwrap} must go!
1189		$str = str_replace(array('{unwrap}', '{/unwrap}'), '', $str);
1190
1191		// Break into an array of lines
1192		$lines = explode("\n", $str);
1193
1194		$escape = '=';
1195		$output = '';
1196
1197		foreach ($lines as $line)
1198		{
1199			$length = strlen($line);
1200			$temp = '';
1201
1202			// Loop through each character in the line to add soft-wrap
1203			// characters at the end of a line " =\r\n" and add the newly
1204			// processed line(s) to the output (see comment on $crlf class property)
1205			for ($i = 0; $i < $length; $i++)
1206			{
1207				// Grab the next character
1208				$char = substr($line, $i, 1);
1209				$ascii = ord($char);
1210
1211				// Convert spaces and tabs but only if it's the end of the line
1212				if ($i == ($length - 1))
1213				{
1214					$char = ($ascii == '32' OR $ascii == '9') ? $escape.sprintf('%02s', dechex($ascii)) : $char;
1215				}
1216
1217				// encode = signs
1218				if ($ascii == '61')
1219				{
1220					$char = $escape.strtoupper(sprintf('%02s', dechex($ascii)));  // =3D
1221				}
1222
1223				// If we're at the character limit, add the line to the output,
1224				// reset our temp variable, and keep on chuggin'
1225				if ((strlen($temp) + strlen($char)) >= $charlim)
1226				{
1227					$output .= $temp.$escape.$this->crlf;
1228					$temp = '';
1229				}
1230
1231				// Add the character to our temporary line
1232				$temp .= $char;
1233			}
1234
1235			// Add our completed line to the output
1236			$output .= $temp.$this->crlf;
1237		}
1238
1239		// get rid of extra CRLF tacked onto the end
1240		$output = substr($output, 0, strlen($this->crlf) * -1);
1241
1242		return $output;
1243	}
1244
1245	// --------------------------------------------------------------------
1246	
1247	/**
1248	 * Prep Q Encoding
1249	 *
1250	 * Performs "Q Encoding" on a string for use in email headers.  It's related
1251	 * but not identical to quoted-printable, so it has its own method
1252	 *
1253	 * @access	public
1254	 * @param	str
1255	 * @param	bool	// set to TRUE for processing From: headers
1256	 * @return	str
1257	 */
1258	function _prep_q_encoding($str, $from = FALSE)
1259	{
1260		$str = str_replace(array("\r", "\n"), array('', ''), $str);
1261
1262		// Line length must not exceed 76 characters, so we adjust for
1263		// a space, 7 extra characters =??Q??=, and the charset that we will add to each line
1264		$limit = 75 - 7 - strlen($this->charset);
1265
1266		// these special characters must be converted too
1267		$convert = array('_', '=', '?');
1268
1269		if ($from === TRUE)
1270		{
1271			$convert[] = ',';
1272			$convert[] = ';';
1273		}
1274
1275		$output = '';
1276		$temp = '';
1277
1278		for ($i = 0, $length = strlen($str); $i < $length; $i++)
1279		{
1280			// Grab the next character
1281			$char = substr($str, $i, 1);
1282			$ascii = ord($char);
1283
1284			// convert ALL non-printable ASCII characters and our specials
1285			if ($ascii < 32 OR $ascii > 126 OR in_array($char, $convert))
1286			{
1287				$char = '='.dechex($ascii);
1288			}
1289
1290			// handle regular spaces a bit more compactly than =20
1291			if ($ascii == 32)
1292			{
1293				$char = '_';
1294			}
1295
1296			// If we're at the character limit, add the line to the output,
1297			// reset our temp variable, and keep on chuggin'
1298			if ((strlen($temp) + strlen($char)) >= $limit)
1299			{
1300				$output .= $temp.$this->crlf;
1301				$temp = '';
1302			}
1303
1304			// Add the character to our temporary line
1305			$temp .= $char;
1306		}
1307
1308		$str = $output.$temp;
1309
1310		// wrap each line with the shebang, charset, and transfer encoding
1311		// the preceding space on successive lines is required for header "folding"
1312		$str = trim(preg_replace('/^(.*)$/m', ' =?'.$this->charset.'?Q?$1?=', $str));
1313
1314		return $str;
1315	}
1316
1317	// --------------------------------------------------------------------
1318	
1319	/**
1320	 * Send Email
1321	 *
1322	 * @access	public
1323	 * @return	bool
1324	 */
1325	function send()
1326	{
1327		if ($this->_replyto_flag == FALSE)
1328		{
1329			$this->reply_to($this->_headers['From']);
1330		}
1331
1332		if (( ! isset($this->_recipients) AND ! isset($this->_headers['To']))  AND
1333			( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
1334			( ! isset($this->_headers['Cc'])))
1335		{
1336			$this->_set_error_message('email_no_recipients');
1337			return FALSE;
1338		}
1339
1340		$this->_build_headers();
1341
1342		if ($this->bcc_batch_mode  AND  count($this->_bcc_array) > 0)
1343		{
1344			if (count($this->_bcc_array) > $this->bcc_batch_size)
1345				return $this->batch_bcc_send();
1346		}
1347
1348		$this->_build_message();
1349
1350		if ( ! $this->_spool_email())
1351		{
1352			return FALSE;
1353		}
1354		else
1355		{
1356			return TRUE;
1357		}
1358	}
1359  
1360	// --------------------------------------------------------------------
1361
1362	/**
1363	 * Batch Bcc Send.  Sends groups of BCCs in batches
1364	 *
1365	 * @access	public
1366	 * @return	bool
1367	 */
1368	function batch_bcc_send()
1369	{
1370		$float = $this->bcc_batch_size -1;
1371
1372		$set = "";
1373
1374		$chunk = array();
1375
1376		for ($i = 0; $i < count($this->_bcc_array); $i++)
1377		{
1378			if (isset($this->_bcc_array[$i]))
1379			{
1380				$set .= ", ".$this->_bcc_array[$i];
1381			}
1382
1383			if ($i == $float)
1384			{
1385				$chunk[] = substr($set, 1);
1386				$float = $float + $this->bcc_batch_size;
1387				$set = "";
1388			}
1389
1390			if ($i == count($this->_bcc_array)-1)
1391			{
1392				$chunk[] = substr($set, 1);
1393			}
1394		}
1395
1396		for ($i = 0; $i < count($chunk); $i++)
1397		{
1398			unset($this->_headers['Bcc']);
1399			unset($bcc);
1400
1401			$bcc = $this->_str_to_array($chunk[$i]);
1402			$bcc = $this->clean_email($bcc);
1403
1404			if ($this->protocol != 'smtp')
1405			{
1406				$this->_set_header('Bcc', implode(", ", $bcc));
1407			}
1408			else
1409			{
1410				$this->_bcc_array = $bcc;
1411			}
1412
1413			$this->_build_message();
1414			$this->_spool_email();
1415		}
1416	}
1417  
1418	// --------------------------------------------------------------------
1419
1420	/**
1421	 * Unwrap special elements
1422	 *
1423	 * @access	private
1424	 * @return	void
1425	 */
1426	function _unwrap_specials()
1427	{
1428		$this->_finalbody = preg_replace_callback("/\{unwrap\}(.*?)\{\/unwrap\}/si", array($this, '_remove_nl_callback'), $this->_finalbody);
1429	}
1430  
1431	// --------------------------------------------------------------------
1432
1433	/**
1434	 * Strip line-breaks via callback
1435	 *
1436	 * @access	private
1437	 * @return	string
1438	 */
1439	function _remove_nl_callback($matches)
1440	{
1441		if (strpos($matches[1], "\r") !== FALSE OR strpos($matches[1], "\n") !== FALSE)
1442		{
1443			$matches[1] = str_replace(array("\r\n", "\r", "\n"), '', $matches[1]);
1444		}
1445
1446		return $matches[1];
1447	}
1448  
1449	// --------------------------------------------------------------------
1450
1451	/**
1452	 * Spool mail to the mail server
1453	 *
1454	 * @access	private
1455	 * @return	bool
1456	 */
1457	function _spool_email()
1458	{
1459		$this->_unwrap_specials();
1460
1461		switch ($this->_get_protocol())
1462		{
1463			case 'mail'	:
1464
1465					if ( ! $this->_send_with_mail())
1466					{
1467						$this->_set_error_message('email_send_failure_phpmail');
1468						return FALSE;
1469					}
1470			break;
1471			case 'sendmail'	:
1472
1473					if ( ! $this->_send_with_sendmail())
1474					{
1475						$this->_set_error_message('email_send_failure_sendmail');
1476						return FALSE;
1477					}
1478			break;
1479			case 'smtp'	:
1480
1481					if ( ! $this->_send_with_smtp())
1482					{
1483						$this->_set_error_message('email_send_failure_smtp');
1484						return FALSE;
1485					}
1486			break;
1487
1488		}
1489
1490		$this->_set_error_message('email_sent', $this->_get_protocol());
1491		return TRUE;
1492	}
1493  
1494	// --------------------------------------------------------------------
1495
1496	/**
1497	 * Send using mail()
1498	 *
1499	 * @access	private
1500	 * @return	bool
1501	 */
1502	function _send_with_mail()
1503	{
1504		if ($this->_safe_mode == TRUE)
1505		{
1506			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))
1507			{
1508				return FALSE;
1509			}
1510			else
1511			{
1512				return TRUE;
1513			}
1514		}
1515		else
1516		{
1517			// most documentation of sendmail using the "-f" flag lacks a space after it, however
1518			// we've encountered servers that seem to require it to be in place.
1519			if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))
1520			{
1521				return FALSE;
1522			}
1523			else
1524			{
1525				return TRUE;
1526			}
1527		}
1528	}
1529  
1530	// --------------------------------------------------------------------
1531
1532	/**
1533	 * Send using Sendmail
1534	 *
1535	 * @access	private
1536	 * @return	bool
1537	 */
1538	function _send_with_sendmail()
1539	{
1540		$fp = @popen($this->mailpath . " -oi -f ".$this->clean_email($this->_headers['From'])." -t", 'w');
1541
1542		if ($fp === FALSE OR $fp === NULL)
1543		{
1544			// server probably has popen disabled, so nothing we can do to get a verbose error.
1545			return FALSE;
1546		}
1547		
1548		fputs($fp, $this->_header_str);
1549		fputs($fp, $this->_finalbody);
1550
1551	    $status = pclose($fp);
1552	    
1553		if (version_compare(PHP_VERSION, '4.2.3') == -1)
1554		{
1555			$status = $status >> 8 & 0xFF;
1556	    }
1557	
1558		if ($status != 0)
1559		{
1560			$this->_set_error_message('email_exit_status', $status);
1561			$this->_set_error_message('email_no_socket');
1562			return FALSE;
1563		}
1564
1565		return TRUE;
1566	}
1567  
1568	// --------------------------------------------------------------------
1569
1570	/**
1571	 * Send using SMTP
1572	 *
1573	 * @access	private
1574	 * @return	bool
1575	 */
1576	function _send_with_smtp()
1577	{
1578		if ($this->smtp_host == '')
1579		{
1580			$this->_set_error_message('email_no_hostname');
1581			return FALSE;
1582		}
1583
1584		$this->_smtp_connect();
1585		$this->_smtp_authenticate();
1586
1587		$this->_send_command('from', $this->clean_email($this->_headers['From']));
1588
1589		foreach($this->_recipients as $val)
1590		{
1591			$this->_send_command('to', $val);
1592		}
1593
1594		if (count($this->_cc_array) > 0)
1595		{
1596			foreach($this->_cc_array as $val)
1597			{
1598				if ($val != "")
1599				{
1600					$this->_send_command('to', $val);
1601				}
1602			}
1603		}
1604
1605		if (count($this->_bcc_array) > 0)
1606		{
1607			foreach($this->_bcc_array as $val)
1608			{
1609				if ($val != "")
1610				{
1611					$this->_send_command('to', $val);
1612				}
1613			}
1614		}
1615
1616		$this->_send_command('data');
1617
1618		// perform dot transformation on any lines that begin with a dot
1619		$this->_send_data($this->_header_str . preg_replace('/^\./m', '..$1', $this->_finalbody));
1620
1621		$this->_send_data('.');
1622
1623		$reply = $this->_get_smtp_data();
1624
1625		$this->_set_error_message($reply);
1626
1627		if (strncmp($reply, '250', 3) != 0)
1628		{
1629			$this->_set_error_message('email_smtp_error', $reply);
1630			return FALSE;
1631		}
1632
1633		$this->_send_command('quit');
1634		return TRUE;
1635	}
1636  
1637	// --------------------------------------------------------------------
1638
1639	/**
1640	 * SMTP Connect
1641	 *
1642	 * @access	private
1643	 * @param	string
1644	 * @return	string
1645	 */
1646	function _smtp_connect()
1647	{
1648		$this->_smtp_connect = fsockopen($this->smtp_host,
1649										$this->smtp_port,
1650										$errno,
1651										$errstr,
1652										$this->smtp_timeout);
1653
1654		if( ! is_resource($this->_smtp_connect))
1655		{
1656			$this->_set_error_message('email_smtp_error', $errno." ".$errstr);
1657			return FALSE;
1658		}
1659
1660		$this->_set_error_message($this->_get_smtp_data());
1661		return $this->_send_command('hello');
1662	}
1663  
1664	// --------------------------------------------------------------------
1665
1666	/**
1667	 * Send SMTP command
1668	 *
1669	 * @access	private
1670	 * @param	string
1671	 * @param	string
1672	 * @return	string
1673	 */
1674	function _send_command($cmd, $data = '')
1675	{
1676		switch ($cmd)
1677		{
1678			case 'hello' :
1679
1680					if ($this->_smtp_auth OR $this->_get_encoding() == '8bit')
1681						$this->_send_data('EHLO '.$this->_get_hostname());
1682					else
1683						$this->_send_data('HELO '.$this->_get_hostname());
1684
1685						$resp = 250;
1686			break;
1687			case 'from' :
1688
1689						$this->_send_data('MAIL FROM:<'.$data.'>');
1690
1691						$resp = 250;
1692			break;
1693			case 'to'	:
1694
1695						$this->_send_data('RCPT TO:<'.$data.'>');
1696
1697						$resp = 250;
1698			break;
1699			case 'data'	:
1700
1701						$this->_send_data('DATA');
1702
1703						$resp = 354;
1704			break;
1705			case 'quit'	:
1706
1707						$this->_send_data('QUIT');
1708
1709						$resp = 221;
1710			break;
1711		}
1712
1713		$reply = $this->_get_smtp_data();
1714
1715		$this->_debug_msg[] = "<pre>".$cmd.": ".$reply."</pre>";
1716
1717		if (substr($reply, 0, 3) != $resp)
1718		{
1719			$this->_set_error_message('email_smtp_error', $reply);
1720			return FALSE;
1721		}
1722
1723		if ($cmd == 'quit')
1724		{
1725			fclose($this->_smtp_connect);
1726		}
1727
1728		return TRUE;
1729	}
1730  
1731	// --------------------------------------------------------------------
1732
1733	/**
1734	 *  SMTP Authenticate
1735	 *
1736	 * @access	private
1737	 * @return	bool
1738	 */
1739	function _smtp_authenticate()
1740	{
1741		if ( ! $this->_smtp_auth)
1742		{
1743			return TRUE;
1744		}
1745
1746		if ($this->smtp_user == ""  AND  $this->smtp_pass == "")
1747		{
1748			$this->_set_error_message('email_no_smtp_unpw');
1749			return FALSE;
1750		}
1751
1752		$this->_send_data('AUTH LOGIN');
1753
1754		$reply = $this->_get_smtp_data();
1755
1756		if (strncmp($reply, '334', 3) != 0)
1757		{
1758			$this->_set_error_message('email_failed_smtp_login', $reply);
1759			return FALSE;
1760		}
1761
1762		$this->_send_data(base64_encode($this->smtp_user));
1763
1764		$reply = $this->_get_smtp_data();
1765
1766		if (strncmp($reply, '334', 3) != 0)
1767		{
1768			$this->_set_error_message('email_smtp_auth_un', $reply);
1769			return FALSE;
1770		}
1771
1772		$this->_send_data(base64_encode($this->smtp_pass));
1773
1774		$reply = $this->_get_smtp_data();
1775
1776		if (strncmp($reply, '235', 3) != 0)
1777		{
1778			$this->_set_error_message('email_smtp_auth_pw', $reply);
1779			return FALSE;
1780		}
1781
1782		return TRUE;
1783	}
1784  
1785	// --------------------------------------------------------------------
1786
1787	/**
1788	 * Send SMTP data
1789	 *
1790	 * @access	private
1791	 * @return	bool
1792	 */
1793	function _send_data($data)
1794	{
1795		if ( ! fwrite($this->_smtp_connect, $data . $this->newline))
1796		{
1797			$this->_set_error_message('email_smtp_data_failure', $data);
1798			return FALSE;
1799		}
1800		else
1801		{
1802			return TRUE;
1803		}
1804	}
1805  
1806	// --------------------------------------------------------------------
1807
1808	/**
1809	 * Get SMTP data
1810	 *
1811	 * @access	private
1812	 * @return	string
1813	 */
1814	function _get_smtp_data()
1815	{
1816		$data = "";
1817
1818		while ($str = fgets($this->_smtp_connect, 512))
1819		{
1820			$data .= $str;
1821
1822			if (substr($str, 3, 1) == " ")
1823			{
1824				break;
1825			}
1826		}
1827
1828		return $data;
1829	}
1830  
1831	// --------------------------------------------------------------------
1832
1833	/**
1834	 * Get Hostname
1835	 *
1836	 * @access	private
1837	 * @return	string
1838	 */
1839	function _get_hostname()
1840	{
1841		return (isset($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : 'localhost.localdomain';
1842	}
1843  
1844	// --------------------------------------------------------------------
1845
1846	/**
1847	 * Get IP
1848	 *
1849	 * @access	private
1850	 * @return	string
1851	 */
1852	function _get_ip()
1853	{
1854		if ($this->_IP !== FALSE)
1855		{
1856			return $this->_IP;
1857		}
1858
1859		$cip = (isset($_SERVER['HTTP_CLIENT_IP']) AND $_SERVER['HTTP_CLIENT_IP'] != "") ? $_SERVER['HTTP_CLIENT_IP'] : FALSE;
1860		$rip = (isset($_SERVER['REMOTE_ADDR']) AND $_SERVER['REMOTE_ADDR'] != "") ? $_SERVER['REMOTE_ADDR'] : FALSE;
1861		$fip = (isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND $_SERVER['HTTP_X_FORWARDED_FOR'] != "") ? $_SERVER['HTTP_X_FORWARDED_FOR'] : FALSE;
1862
1863		if ($cip && $rip) 	$this->_IP = $cip;
1864		elseif ($rip)		$this->_IP = $rip;
1865		elseif ($cip)		$this->_IP = $cip;
1866		elseif ($fip)		$this->_IP = $fip;
1867
1868		if (strstr($this->_IP, ','))
1869		{
1870			$x = explode(',', $this->_IP);
1871			$this->_IP = end($x);
1872		}
1873
1874		if ( ! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))
1875		{
1876			$this->_IP = '0.0.0.0';
1877		}
1878
1879		unset($cip);
1880		unset($rip);
1881		unset($fip);
1882
1883		return $this->_IP;
1884	}
1885  
1886	// --------------------------------------------------------------------
1887
1888	/**
1889	 * Get Debug Message
1890	 *
1891	 * @access	public
1892	 * @return	string
1893	 */
1894	function print_debugger()
1895	{
1896		$msg = '';
1897
1898		if (count($this->_debug_msg) > 0)
1899		{
1900			foreach ($this->_debug_msg as $val)
1901			{
1902				$msg .= $val;
1903			}
1904		}
1905
1906		$msg .= "<pre>".$this->_header_str."\n".htmlspecialchars($this->_subject)."\n".htmlspecialchars($this->_finalbody).'</pre>';
1907		return $msg;
1908	}
1909  
1910	// --------------------------------------------------------------------
1911
1912	/**
1913	 * Set Message
1914	 *
1915	 * @access	private
1916	 * @param	string
1917	 * @return	string
1918	 */
1919	function _set_error_message($msg, $val = '')
1920	{
1921		$CI =& get_instance();
1922		$CI->lang->load('email');
1923
1924		if (FALSE === ($line = $CI->lang->line($msg)))
1925		{
1926			$this->_debug_msg[] = str_replace('%s', $val, $msg)."<br />";
1927		}
1928		else
1929		{
1930			$this->_debug_msg[] = str_replace('%s', $val, $line)."<br />";
1931		}
1932	}
1933  
1934	// --------------------------------------------------------------------
1935
1936	/**
1937	 * Mime Types
1938	 *
1939	 * @access	private
1940	 * @param	string
1941	 * @return	string
1942	 */
1943	function _mime_types($ext = "")
1944	{
1945		$mimes = array(	'hqx'	=>	'application/mac-binhex40',
1946						'cpt'	=>	'application/mac-compactpro',
1947						'doc'	=>	'application/msword',
1948						'bin'	=>	'application/macbinary',
1949						'dms'	=>	'application/octet-stream',
1950						'lha'	=>	'application/octet-stream',
1951						'lzh'	=>	'application/octet-stream',
1952						'exe'	=>	'application/octet-stream',
1953						'class'	=>	'application/octet-stream',
1954						'psd'	=>	'application/octet-stream',
1955						'so'	=>	'application/octet-stream',
1956						'sea'	=>	'application/octet-stream',
1957						'dll'	=>	'application/octet-stream',
1958						'oda'	=>	'application/oda',
1959						'pdf'	=>	'application/pdf',
1960						'ai'	=>	'application/postscript',
1961						'eps'	=>	'application/postscript',
1962						'ps'	=>	'application/postscript',
1963						'smi'	=>	'application/smil',
1964						'smil'	=>	'application/smil',
1965						'mif'	=>	'application/vnd.mif',
1966						'xls'	=>	'application/vnd.ms-excel',
1967						'ppt'	=>	'application/vnd.ms-powerpoint',
1968						'wbxml'	=>	'application/vnd.wap.wbxml',
1969						'wmlc'	=>	'application/vnd.wap.wmlc',
1970						'dcr'	=>	'application/x-director',
1971						'dir'	=>	'application/x-director',
1972						'dxr'	=>	'application/x-director',
1973						'dvi'	=>	'application/x-dvi',
1974						'gtar'	=>	'application/x-gtar',
1975						'php'	=>	'application/x-httpd-php',
1976						'php4'	=>	'application/x-httpd-php',
1977						'php3'	=>	'application/x-httpd-php',
1978						'phtml'	=>	'application/x-httpd-php',
1979						'phps'	=>	'application/x-httpd-php-source',
1980						'js'	=>	'application/x-javascript',
1981						'swf'	=>	'application/x-shockwave-flash',
1982						'sit'	=>	'application/x-stuffit',
1983						'tar'	=>	'application/x-tar',
1984						'tgz'	=>	'application/x-tar',
1985						'xhtml'	=>	'application/xhtml+xml',
1986						'xht'	=>	'application/xhtml+xml',
1987						'zip'	=>	'application/zip',
1988						'mid'	=>	'audio/midi',
1989						'midi'	=>	'audio/midi',
1990						'mpga'	=>	'audio/mpeg',
1991						'mp2'	=>	'audio/mpeg',
1992						'mp3'	=>	'audio/mpeg',
1993						'aif'	=>	'audio/x-aiff',
1994						'aiff'	=>	'audio/x-aiff',
1995						'aifc'	=>	'audio/x-aiff',
1996						'ram'	=>	'audio/x-pn-realaudio',
1997						'rm'	=>	'audio/x-pn-realaudio',
1998						'rpm'	=>	'audio/x-pn-realaudio-plugin',
1999						'ra'	=>	'audio/x-realaudio',
2000						'rv'	=>	'video/vnd.rn-realvideo',
2001						'wav'	=>	'audio/x-wav',
2002						'bmp'	=>	'image/bmp',
2003						'gif'	=>	'image/gif',
2004						'jpeg'	=>	'image/jpeg',
2005						'jpg'	=>	'image/jpeg',
2006						'jpe'	=>	'image/jpeg',
2007						'png'	=>	'image/png',
2008						'tiff'	=>	'image/tiff',
2009						'tif'	=>	'image/tiff',
2010						'css'	=>	'text/css',
2011						'html'	=>	'text/html',
2012						'htm'	=>	'text/html',
2013						'shtml'	=>	'text/html',
2014						'txt'	=>	'text/plain',
2015						'text'	=>	'text/plain',
2016						'log'	=>	'text/plain',
2017						'rtx'	=>	'text/richtext',
2018						'rtf'	=>	'text/rtf',
2019						'xml'	=>	'text/xml',
2020						'xsl'	=>	'text/xml',
2021						'mpeg'	=>	'video/mpeg',
2022						'mpg'	=>	'video/mpeg',
2023						'mpe'	=>	'video/mpeg',
2024						'qt'	=>	'video/quicktime',
2025						'mov'	=>	'video/quicktime',
2026						'avi'	=>	'video/x-msvideo',
2027						'movie'	=>	'video/x-sgi-movie',
2028						'doc'	=>	'application/msword',
2029						'word'	=>	'application/msword',
2030						'xl'	=>	'application/excel',
2031						'eml'	=>	'message/rfc822'
2032					);
2033
2034		return ( ! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];
2035	}
2036
2037}
2038// END CI_Email class
2039
2040/* End of file Email.php */
2041/* Location: ./system/libraries/Email.php */