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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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* An open source application development framework for PHP 5.1.6 or newer
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* @author ExpressionEngine Dev Team
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* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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// ------------------------------------------------------------------------
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* CodeIgniter Email Class
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* Permits email to be sent using Mail, Sendmail, or SMTP.
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* @package CodeIgniter
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* @subpackage Libraries
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/libraries/email.html
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var $useragent = "CodeIgniter";
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var $mailpath = "/usr/sbin/sendmail"; // Sendmail path
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var $protocol = "mail"; // mail/sendmail/smtp
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var $smtp_host = ""; // SMTP Server. Example: mail.earthlink.net
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var $smtp_user = ""; // SMTP Username
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var $smtp_pass = ""; // SMTP Password
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var $smtp_port = "25"; // SMTP Port
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var $smtp_timeout = 5; // SMTP Timeout in seconds
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var $smtp_crypto = ""; // SMTP Encryption. Can be null, tls or ssl.
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var $wordwrap = TRUE; // TRUE/FALSE Turns word-wrap on/off
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var $wrapchars = "76"; // Number of characters to wrap at.
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var $mailtype = "text"; // text/html Defines email formatting
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var $charset = "utf-8"; // Default char set: iso-8859-1 or us-ascii
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var $multipart = "mixed"; // "mixed" (in the body) or "related" (separate)
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var $alt_message = ''; // Alternative message for HTML emails
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var $validate = FALSE; // TRUE/FALSE. Enables email validation
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var $priority = "3"; // Default priority (1 - 5)
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var $newline = "\n"; // Default newline. "\r\n" or "\n" (Use "\r\n" to comply with RFC 822)
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var $crlf = "\n"; // The RFC 2045 compliant CRLF for quoted-printable is "\r\n". Apparently some servers,
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// even on the receiving end think they need to muck with CRLFs, so using "\n", while
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// distasteful, is the only thing that seems to work for all environments.
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var $send_multipart = TRUE; // TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override. Set to FALSE for Yahoo.
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var $bcc_batch_mode = FALSE; // TRUE/FALSE Turns on/off Bcc batch feature
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var $bcc_batch_size = 200; // If bcc_batch_mode = TRUE, sets max number of Bccs in each batch
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var $_safe_mode = FALSE;
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var $_alt_boundary = "";
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var $_atc_boundary = "";
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var $_header_str = "";
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var $_smtp_connect = "";
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var $_encoding = "8bit";
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var $_smtp_auth = FALSE;
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var $_replyto_flag = FALSE;
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var $_debug_msg = array();
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var $_recipients = array();
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var $_cc_array = array();
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var $_bcc_array = array();
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var $_headers = array();
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var $_attach_name = array();
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var $_attach_type = array();
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var $_attach_disp = array();
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var $_protocols = array('mail', 'sendmail', 'smtp');
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var $_base_charsets = array('us-ascii', 'iso-2022-'); // 7-bit charsets (excluding language suffix)
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var $_bit_depths = array('7bit', '8bit');
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var $_priorities = array('1 (Highest)', '2 (High)', '3 (Normal)', '4 (Low)', '5 (Lowest)');
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* Constructor - Sets Email Preferences
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* The constructor can be passed an array of config values
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public function __construct($config = array())
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if (count($config) > 0)
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$this->initialize($config);
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$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;
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$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;
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log_message('debug', "Email Class Initialized");
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// --------------------------------------------------------------------
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* Initialize preferences
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public function initialize($config = array())
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foreach ($config as $key => $val)
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if (isset($this->$key))
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$method = 'set_'.$key;
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if (method_exists($this, $method))
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$this->$method($val);
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$this->_smtp_auth = ($this->smtp_user == '' AND $this->smtp_pass == '') ? FALSE : TRUE;
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$this->_safe_mode = ((boolean)@ini_get("safe_mode") === FALSE) ? FALSE : TRUE;
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// --------------------------------------------------------------------
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* Initialize the Email Data
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public function clear($clear_attachments = FALSE)
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$this->_subject = "";
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$this->_finalbody = "";
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$this->_header_str = "";
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$this->_replyto_flag = FALSE;
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$this->_recipients = array();
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$this->_cc_array = array();
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$this->_bcc_array = array();
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$this->_headers = array();
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$this->_debug_msg = array();
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$this->_set_header('User-Agent', $this->useragent);
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$this->_set_header('Date', $this->_set_date());
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if ($clear_attachments !== FALSE)
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$this->_attach_name = array();
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$this->_attach_type = array();
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$this->_attach_disp = array();
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// --------------------------------------------------------------------
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public function from($from, $name = '')
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if (preg_match( '/\<(.*)\>/', $from, $match))
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$this->validate_email($this->_str_to_array($from));
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// prepare the display name
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// only use Q encoding if there are characters that would require it
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if ( ! preg_match('/[\200-\377]/', $name))
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// add slashes for non-printing characters, slashes, and double quotes, and surround it in double quotes
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$name = '"'.addcslashes($name, "\0..\37\177'\"\\").'"';
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$name = $this->_prep_q_encoding($name, TRUE);
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$this->_set_header('From', $name.' <'.$from.'>');
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$this->_set_header('Return-Path', '<'.$from.'>');
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// --------------------------------------------------------------------
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public function reply_to($replyto, $name = '')
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if (preg_match( '/\<(.*)\>/', $replyto, $match))
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$replyto = $match['1'];
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$this->validate_email($this->_str_to_array($replyto));
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if (strncmp($name, '"', 1) != 0)
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$name = '"'.$name.'"';
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$this->_set_header('Reply-To', $name.' <'.$replyto.'>');
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$this->_replyto_flag = TRUE;
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// --------------------------------------------------------------------
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public function to($to)
262
$to = $this->_str_to_array($to);
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$to = $this->clean_email($to);
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$this->validate_email($to);
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if ($this->_get_protocol() != 'mail')
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$this->_set_header('To', implode(", ", $to));
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switch ($this->_get_protocol())
278
$this->_recipients = $to;
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$this->_recipients = implode(", ", $to);
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// --------------------------------------------------------------------
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public function cc($cc)
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$cc = $this->_str_to_array($cc);
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$cc = $this->clean_email($cc);
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$this->validate_email($cc);
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$this->_set_header('Cc', implode(", ", $cc));
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if ($this->_get_protocol() == "smtp")
312
$this->_cc_array = $cc;
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// --------------------------------------------------------------------
328
public function bcc($bcc, $limit = '')
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if ($limit != '' && is_numeric($limit))
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$this->bcc_batch_mode = TRUE;
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$this->bcc_batch_size = $limit;
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$bcc = $this->_str_to_array($bcc);
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$bcc = $this->clean_email($bcc);
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$this->validate_email($bcc);
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if (($this->_get_protocol() == "smtp") OR ($this->bcc_batch_mode && count($bcc) > $this->bcc_batch_size))
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$this->_bcc_array = $bcc;
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$this->_set_header('Bcc', implode(", ", $bcc));
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// --------------------------------------------------------------------
365
public function subject($subject)
367
$subject = $this->_prep_q_encoding($subject);
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$this->_set_header('Subject', $subject);
372
// --------------------------------------------------------------------
381
public function message($body)
383
$this->_body = rtrim(str_replace("\r", "", $body));
385
/* strip slashes only if magic quotes is ON
386
if we do it with magic quotes OFF, it strips real, user-inputted chars.
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NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and
389
it will probably not exist in future versions at all.
391
if ( ! is_php('5.4') && get_magic_quotes_gpc())
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$this->_body = stripslashes($this->_body);
399
// --------------------------------------------------------------------
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* Assign file attachments
408
public function attach($filename, $disposition = 'attachment')
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$this->_attach_name[] = $filename;
411
$this->_attach_type[] = $this->_mime_types(pathinfo($filename, PATHINFO_EXTENSION));
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$this->_attach_disp[] = $disposition; // Can also be 'inline' Not sure if it matters
416
// --------------------------------------------------------------------
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protected function _set_header($header, $value)
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$this->_headers[$header] = $value;
431
// --------------------------------------------------------------------
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* Convert a String to an Array
440
protected function _str_to_array($email)
442
if ( ! is_array($email))
444
if (strpos($email, ',') !== FALSE)
446
$email = preg_split('/[\s,]/', $email, -1, PREG_SPLIT_NO_EMPTY);
450
$email = trim($email);
451
settype($email, "array");
457
// --------------------------------------------------------------------
460
* Set Multipart Value
466
public function set_alt_message($str = '')
468
$this->alt_message = $str;
472
// --------------------------------------------------------------------
481
public function set_mailtype($type = 'text')
483
$this->mailtype = ($type == 'html') ? 'html' : 'text';
487
// --------------------------------------------------------------------
496
public function set_wordwrap($wordwrap = TRUE)
498
$this->wordwrap = ($wordwrap === FALSE) ? FALSE : TRUE;
502
// --------------------------------------------------------------------
511
public function set_protocol($protocol = 'mail')
513
$this->protocol = ( ! in_array($protocol, $this->_protocols, TRUE)) ? 'mail' : strtolower($protocol);
517
// --------------------------------------------------------------------
526
public function set_priority($n = 3)
528
if ( ! is_numeric($n))
534
if ($n < 1 OR $n > 5)
540
$this->priority = $n;
544
// --------------------------------------------------------------------
547
* Set Newline Character
553
public function set_newline($newline = "\n")
555
if ($newline != "\n" AND $newline != "\r\n" AND $newline != "\r")
557
$this->newline = "\n";
561
$this->newline = $newline;
566
// --------------------------------------------------------------------
575
public function set_crlf($crlf = "\n")
577
if ($crlf != "\n" AND $crlf != "\r\n" AND $crlf != "\r")
588
// --------------------------------------------------------------------
591
* Set Message Boundary
596
protected function _set_boundaries()
598
$this->_alt_boundary = "B_ALT_".uniqid(''); // multipart/alternative
599
$this->_atc_boundary = "B_ATC_".uniqid(''); // attachment boundary
602
// --------------------------------------------------------------------
610
protected function _get_message_id()
612
$from = $this->_headers['Return-Path'];
613
$from = str_replace(">", "", $from);
614
$from = str_replace("<", "", $from);
616
return "<".uniqid('').strstr($from, '@').">";
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// --------------------------------------------------------------------
628
protected function _get_protocol($return = TRUE)
630
$this->protocol = strtolower($this->protocol);
631
$this->protocol = ( ! in_array($this->protocol, $this->_protocols, TRUE)) ? 'mail' : $this->protocol;
635
return $this->protocol;
639
// --------------------------------------------------------------------
648
protected function _get_encoding($return = TRUE)
650
$this->_encoding = ( ! in_array($this->_encoding, $this->_bit_depths)) ? '8bit' : $this->_encoding;
652
foreach ($this->_base_charsets as $charset)
654
if (strncmp($charset, $this->charset, strlen($charset)) == 0)
656
$this->_encoding = '7bit';
662
return $this->_encoding;
666
// --------------------------------------------------------------------
669
* Get content type (text/html/attachment)
674
protected function _get_content_type()
676
if ($this->mailtype == 'html' && count($this->_attach_name) == 0)
680
elseif ($this->mailtype == 'html' && count($this->_attach_name) > 0)
682
return 'html-attach';
684
elseif ($this->mailtype == 'text' && count($this->_attach_name) > 0)
686
return 'plain-attach';
694
// --------------------------------------------------------------------
702
protected function _set_date()
704
$timezone = date("Z");
705
$operator = (strncmp($timezone, '-', 1) == 0) ? '-' : '+';
706
$timezone = abs($timezone);
707
$timezone = floor($timezone/3600) * 100 + ($timezone % 3600 ) / 60;
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return sprintf("%s %s%04d", date("D, j M Y H:i:s"), $operator, $timezone);
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// --------------------------------------------------------------------
720
protected function _get_mime_message()
722
return "This is a multi-part message in MIME format.".$this->newline."Your email application may not support this format.";
725
// --------------------------------------------------------------------
728
* Validate Email Address
734
public function validate_email($email)
736
if ( ! is_array($email))
738
$this->_set_error_message('lang:email_must_be_array');
742
foreach ($email as $val)
744
if ( ! $this->valid_email($val))
746
$this->_set_error_message('lang:email_invalid_address', $val);
754
// --------------------------------------------------------------------
763
public function valid_email($address)
765
return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $address)) ? FALSE : TRUE;
768
// --------------------------------------------------------------------
771
* Clean Extended Email Address: Joe Smith <joe@smith.com>
777
public function clean_email($email)
779
if ( ! is_array($email))
781
if (preg_match('/\<(.*)\>/', $email, $match))
791
$clean_email = array();
793
foreach ($email as $addy)
795
if (preg_match( '/\<(.*)\>/', $addy, $match))
797
$clean_email[] = $match['1'];
801
$clean_email[] = $addy;
808
// --------------------------------------------------------------------
811
* Build alternative plain text message
813
* This public function provides the raw message for use
814
* in plain-text headers of HTML-formatted emails.
815
* If the user hasn't specified his own alternative message
816
* it creates one by stripping the HTML
821
protected function _get_alt_message()
823
if ($this->alt_message != "")
825
return $this->word_wrap($this->alt_message, '76');
828
if (preg_match('/\<body.*?\>(.*)\<\/body\>/si', $this->_body, $match))
834
$body = $this->_body;
837
$body = trim(strip_tags($body));
838
$body = preg_replace( '#<!--(.*)--\>#', "", $body);
839
$body = str_replace("\t", "", $body);
841
for ($i = 20; $i >= 3; $i--)
845
for ($x = 1; $x <= $i; $x ++)
850
$body = str_replace($n, "\n\n", $body);
853
return $this->word_wrap($body, '76');
856
// --------------------------------------------------------------------
866
public function word_wrap($str, $charlim = '')
868
// Se the character limit
871
$charlim = ($this->wrapchars == "") ? "76" : $this->wrapchars;
874
// Reduce multiple spaces
875
$str = preg_replace("| +|", " ", $str);
877
// Standardize newlines
878
if (strpos($str, "\r") !== FALSE)
880
$str = str_replace(array("\r\n", "\r"), "\n", $str);
883
// If the current word is surrounded by {unwrap} tags we'll
884
// strip the entire chunk and replace it with a marker.
886
if (preg_match_all("|(\{unwrap\}.+?\{/unwrap\})|s", $str, $matches))
888
for ($i = 0; $i < count($matches['0']); $i++)
890
$unwrap[] = $matches['1'][$i];
891
$str = str_replace($matches['1'][$i], "{{unwrapped".$i."}}", $str);
895
// Use PHP's native public function to do the initial wordwrap.
896
// We set the cut flag to FALSE so that any individual words that are
897
// too long get left alone. In the next step we'll deal with them.
898
$str = wordwrap($str, $charlim, "\n", FALSE);
900
// Split the string into individual lines of text and cycle through them
902
foreach (explode("\n", $str) as $line)
904
// Is the line within the allowed character count?
905
// If so we'll join it to the output and continue
906
if (strlen($line) <= $charlim)
908
$output .= $line.$this->newline;
913
while ((strlen($line)) > $charlim)
915
// If the over-length word is a URL we won't wrap it
916
if (preg_match("!\[url.+\]|://|wwww.!", $line))
921
// Trim the word down
922
$temp .= substr($line, 0, $charlim-1);
923
$line = substr($line, $charlim-1);
926
// If $temp contains data it means we had to split up an over-length
927
// word into smaller chunks so we'll add it back to our current line
930
$output .= $temp.$this->newline.$line;
937
$output .= $this->newline;
940
// Put our markers back
941
if (count($unwrap) > 0)
943
foreach ($unwrap as $key => $val)
945
$output = str_replace("{{unwrapped".$key."}}", $val, $output);
952
// --------------------------------------------------------------------
955
* Build final headers
961
protected function _build_headers()
963
$this->_set_header('X-Sender', $this->clean_email($this->_headers['From']));
964
$this->_set_header('X-Mailer', $this->useragent);
965
$this->_set_header('X-Priority', $this->_priorities[$this->priority - 1]);
966
$this->_set_header('Message-ID', $this->_get_message_id());
967
$this->_set_header('Mime-Version', '1.0');
970
// --------------------------------------------------------------------
973
* Write Headers as a string
978
protected function _write_headers()
980
if ($this->protocol == 'mail')
982
$this->_subject = $this->_headers['Subject'];
983
unset($this->_headers['Subject']);
986
reset($this->_headers);
987
$this->_header_str = "";
989
foreach ($this->_headers as $key => $val)
995
$this->_header_str .= $key.": ".$val.$this->newline;
999
if ($this->_get_protocol() == 'mail')
1001
$this->_header_str = rtrim($this->_header_str);
1005
// --------------------------------------------------------------------
1008
* Build Final Body and attachments
1013
protected function _build_message()
1015
if ($this->wordwrap === TRUE AND $this->mailtype != 'html')
1017
$this->_body = $this->word_wrap($this->_body);
1020
$this->_set_boundaries();
1021
$this->_write_headers();
1023
$hdr = ($this->_get_protocol() == 'mail') ? $this->newline : '';
1026
switch ($this->_get_content_type())
1030
$hdr .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1031
$hdr .= "Content-Transfer-Encoding: " . $this->_get_encoding();
1033
if ($this->_get_protocol() == 'mail')
1035
$this->_header_str .= $hdr;
1036
$this->_finalbody = $this->_body;
1040
$this->_finalbody = $hdr . $this->newline . $this->newline . $this->_body;
1048
if ($this->send_multipart === FALSE)
1050
$hdr .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1051
$hdr .= "Content-Transfer-Encoding: quoted-printable";
1055
$hdr .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline . $this->newline;
1057
$body .= $this->_get_mime_message() . $this->newline . $this->newline;
1058
$body .= "--" . $this->_alt_boundary . $this->newline;
1060
$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1061
$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1062
$body .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
1064
$body .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1065
$body .= "Content-Transfer-Encoding: quoted-printable" . $this->newline . $this->newline;
1068
$this->_finalbody = $body . $this->_prep_quoted_printable($this->_body) . $this->newline . $this->newline;
1071
if ($this->_get_protocol() == 'mail')
1073
$this->_header_str .= $hdr;
1077
$this->_finalbody = $hdr . $this->_finalbody;
1081
if ($this->send_multipart !== FALSE)
1083
$this->_finalbody .= "--" . $this->_alt_boundary . "--";
1089
case 'plain-attach' :
1091
$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
1093
if ($this->_get_protocol() == 'mail')
1095
$this->_header_str .= $hdr;
1098
$body .= $this->_get_mime_message() . $this->newline . $this->newline;
1099
$body .= "--" . $this->_atc_boundary . $this->newline;
1101
$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1102
$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1104
$body .= $this->_body . $this->newline . $this->newline;
1107
case 'html-attach' :
1109
$hdr .= "Content-Type: multipart/".$this->multipart."; boundary=\"" . $this->_atc_boundary."\"" . $this->newline . $this->newline;
1111
if ($this->_get_protocol() == 'mail')
1113
$this->_header_str .= $hdr;
1116
$body .= $this->_get_mime_message() . $this->newline . $this->newline;
1117
$body .= "--" . $this->_atc_boundary . $this->newline;
1119
$body .= "Content-Type: multipart/alternative; boundary=\"" . $this->_alt_boundary . "\"" . $this->newline .$this->newline;
1120
$body .= "--" . $this->_alt_boundary . $this->newline;
1122
$body .= "Content-Type: text/plain; charset=" . $this->charset . $this->newline;
1123
$body .= "Content-Transfer-Encoding: " . $this->_get_encoding() . $this->newline . $this->newline;
1124
$body .= $this->_get_alt_message() . $this->newline . $this->newline . "--" . $this->_alt_boundary . $this->newline;
1126
$body .= "Content-Type: text/html; charset=" . $this->charset . $this->newline;
1127
$body .= "Content-Transfer-Encoding: quoted-printable" . $this->newline . $this->newline;
1129
$body .= $this->_prep_quoted_printable($this->_body) . $this->newline . $this->newline;
1130
$body .= "--" . $this->_alt_boundary . "--" . $this->newline . $this->newline;
1135
$attachment = array();
1139
for ($i=0; $i < count($this->_attach_name); $i++)
1141
$filename = $this->_attach_name[$i];
1142
$basename = basename($filename);
1143
$ctype = $this->_attach_type[$i];
1145
if ( ! file_exists($filename))
1147
$this->_set_error_message('lang:email_attachment_missing', $filename);
1151
$h = "--".$this->_atc_boundary.$this->newline;
1152
$h .= "Content-type: ".$ctype."; ";
1153
$h .= "name=\"".$basename."\"".$this->newline;
1154
$h .= "Content-Disposition: ".$this->_attach_disp[$i].";".$this->newline;
1155
$h .= "Content-Transfer-Encoding: base64".$this->newline;
1157
$attachment[$z++] = $h;
1158
$file = filesize($filename) +1;
1160
if ( ! $fp = fopen($filename, FOPEN_READ))
1162
$this->_set_error_message('lang:email_attachment_unreadable', $filename);
1166
$attachment[$z++] = chunk_split(base64_encode(fread($fp, $file)));
1170
$body .= implode($this->newline, $attachment).$this->newline."--".$this->_atc_boundary."--";
1173
if ($this->_get_protocol() == 'mail')
1175
$this->_finalbody = $body;
1179
$this->_finalbody = $hdr . $body;
1185
// --------------------------------------------------------------------
1188
* Prep Quoted Printable
1190
* Prepares string for Quoted-Printable Content-Transfer-Encoding
1191
* Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt
1198
protected function _prep_quoted_printable($str, $charlim = '')
1200
// Set the character limit
1201
// Don't allow over 76, as that will make servers and MUAs barf
1202
// all over quoted-printable data
1203
if ($charlim == '' OR $charlim > '76')
1208
// Reduce multiple spaces
1209
$str = preg_replace("| +|", " ", $str);
1212
$str = preg_replace('/\x00+/', '', $str);
1214
// Standardize newlines
1215
if (strpos($str, "\r") !== FALSE)
1217
$str = str_replace(array("\r\n", "\r"), "\n", $str);
1220
// We are intentionally wrapping so mail servers will encode characters
1221
// properly and MUAs will behave, so {unwrap} must go!
1222
$str = str_replace(array('{unwrap}', '{/unwrap}'), '', $str);
1224
// Break into an array of lines
1225
$lines = explode("\n", $str);
1230
foreach ($lines as $line)
1232
$length = strlen($line);
1235
// Loop through each character in the line to add soft-wrap
1236
// characters at the end of a line " =\r\n" and add the newly
1237
// processed line(s) to the output (see comment on $crlf class property)
1238
for ($i = 0; $i < $length; $i++)
1240
// Grab the next character
1241
$char = substr($line, $i, 1);
1242
$ascii = ord($char);
1244
// Convert spaces and tabs but only if it's the end of the line
1245
if ($i == ($length - 1))
1247
$char = ($ascii == '32' OR $ascii == '9') ? $escape.sprintf('%02s', dechex($ascii)) : $char;
1253
$char = $escape.strtoupper(sprintf('%02s', dechex($ascii))); // =3D
1256
// If we're at the character limit, add the line to the output,
1257
// reset our temp variable, and keep on chuggin'
1258
if ((strlen($temp) + strlen($char)) >= $charlim)
1260
$output .= $temp.$escape.$this->crlf;
1264
// Add the character to our temporary line
1268
// Add our completed line to the output
1269
$output .= $temp.$this->crlf;
1272
// get rid of extra CRLF tacked onto the end
1273
$output = substr($output, 0, strlen($this->crlf) * -1);
1278
// --------------------------------------------------------------------
1283
* Performs "Q Encoding" on a string for use in email headers. It's related
1284
* but not identical to quoted-printable, so it has its own method
1288
* @param bool // set to TRUE for processing From: headers
1291
protected function _prep_q_encoding($str, $from = FALSE)
1293
$str = str_replace(array("\r", "\n"), array('', ''), $str);
1295
// Line length must not exceed 76 characters, so we adjust for
1296
// a space, 7 extra characters =??Q??=, and the charset that we will add to each line
1297
$limit = 75 - 7 - strlen($this->charset);
1299
// these special characters must be converted too
1300
$convert = array('_', '=', '?');
1311
for ($i = 0, $length = strlen($str); $i < $length; $i++)
1313
// Grab the next character
1314
$char = substr($str, $i, 1);
1315
$ascii = ord($char);
1317
// convert ALL non-printable ASCII characters and our specials
1318
if ($ascii < 32 OR $ascii > 126 OR in_array($char, $convert))
1320
$char = '='.dechex($ascii);
1323
// handle regular spaces a bit more compactly than =20
1329
// If we're at the character limit, add the line to the output,
1330
// reset our temp variable, and keep on chuggin'
1331
if ((strlen($temp) + strlen($char)) >= $limit)
1333
$output .= $temp.$this->crlf;
1337
// Add the character to our temporary line
1341
$str = $output.$temp;
1343
// wrap each line with the shebang, charset, and transfer encoding
1344
// the preceding space on successive lines is required for header "folding"
1345
$str = trim(preg_replace('/^(.*)$/m', ' =?'.$this->charset.'?Q?$1?=', $str));
1350
// --------------------------------------------------------------------
1358
public function send()
1360
if ($this->_replyto_flag == FALSE)
1362
$this->reply_to($this->_headers['From']);
1365
if (( ! isset($this->_recipients) AND ! isset($this->_headers['To'])) AND
1366
( ! isset($this->_bcc_array) AND ! isset($this->_headers['Bcc'])) AND
1367
( ! isset($this->_headers['Cc'])))
1369
$this->_set_error_message('lang:email_no_recipients');
1373
$this->_build_headers();
1375
if ($this->bcc_batch_mode AND count($this->_bcc_array) > 0)
1377
if (count($this->_bcc_array) > $this->bcc_batch_size)
1378
return $this->batch_bcc_send();
1381
$this->_build_message();
1383
if ( ! $this->_spool_email())
1393
// --------------------------------------------------------------------
1396
* Batch Bcc Send. Sends groups of BCCs in batches
1401
public function batch_bcc_send()
1403
$float = $this->bcc_batch_size -1;
1409
for ($i = 0; $i < count($this->_bcc_array); $i++)
1411
if (isset($this->_bcc_array[$i]))
1413
$set .= ", ".$this->_bcc_array[$i];
1418
$chunk[] = substr($set, 1);
1419
$float = $float + $this->bcc_batch_size;
1423
if ($i == count($this->_bcc_array)-1)
1425
$chunk[] = substr($set, 1);
1429
for ($i = 0; $i < count($chunk); $i++)
1431
unset($this->_headers['Bcc']);
1434
$bcc = $this->_str_to_array($chunk[$i]);
1435
$bcc = $this->clean_email($bcc);
1437
if ($this->protocol != 'smtp')
1439
$this->_set_header('Bcc', implode(", ", $bcc));
1443
$this->_bcc_array = $bcc;
1446
$this->_build_message();
1447
$this->_spool_email();
1451
// --------------------------------------------------------------------
1454
* Unwrap special elements
1459
protected function _unwrap_specials()
1461
$this->_finalbody = preg_replace_callback("/\{unwrap\}(.*?)\{\/unwrap\}/si", array($this, '_remove_nl_callback'), $this->_finalbody);
1464
// --------------------------------------------------------------------
1467
* Strip line-breaks via callback
1472
protected function _remove_nl_callback($matches)
1474
if (strpos($matches[1], "\r") !== FALSE OR strpos($matches[1], "\n") !== FALSE)
1476
$matches[1] = str_replace(array("\r\n", "\r", "\n"), '', $matches[1]);
1482
// --------------------------------------------------------------------
1485
* Spool mail to the mail server
1490
protected function _spool_email()
1492
$this->_unwrap_specials();
1494
switch ($this->_get_protocol())
1498
if ( ! $this->_send_with_mail())
1500
$this->_set_error_message('lang:email_send_failure_phpmail');
1506
if ( ! $this->_send_with_sendmail())
1508
$this->_set_error_message('lang:email_send_failure_sendmail');
1514
if ( ! $this->_send_with_smtp())
1516
$this->_set_error_message('lang:email_send_failure_smtp');
1523
$this->_set_error_message('lang:email_sent', $this->_get_protocol());
1527
// --------------------------------------------------------------------
1535
protected function _send_with_mail()
1537
if ($this->_safe_mode == TRUE)
1539
if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str))
1550
// most documentation of sendmail using the "-f" flag lacks a space after it, however
1551
// we've encountered servers that seem to require it to be in place.
1553
if ( ! mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, "-f ".$this->clean_email($this->_headers['From'])))
1564
// --------------------------------------------------------------------
1567
* Send using Sendmail
1572
protected function _send_with_sendmail()
1574
$fp = @popen($this->mailpath . " -oi -f ".$this->clean_email($this->_headers['From'])." -t", 'w');
1576
if ($fp === FALSE OR $fp === NULL)
1578
// server probably has popen disabled, so nothing we can do to get a verbose error.
1582
fputs($fp, $this->_header_str);
1583
fputs($fp, $this->_finalbody);
1585
$status = pclose($fp);
1587
if (version_compare(PHP_VERSION, '4.2.3') == -1)
1589
$status = $status >> 8 & 0xFF;
1594
$this->_set_error_message('lang:email_exit_status', $status);
1595
$this->_set_error_message('lang:email_no_socket');
1602
// --------------------------------------------------------------------
1610
protected function _send_with_smtp()
1612
if ($this->smtp_host == '')
1614
$this->_set_error_message('lang:email_no_hostname');
1618
$this->_smtp_connect();
1619
$this->_smtp_authenticate();
1621
$this->_send_command('from', $this->clean_email($this->_headers['From']));
1623
foreach ($this->_recipients as $val)
1625
$this->_send_command('to', $val);
1628
if (count($this->_cc_array) > 0)
1630
foreach ($this->_cc_array as $val)
1634
$this->_send_command('to', $val);
1639
if (count($this->_bcc_array) > 0)
1641
foreach ($this->_bcc_array as $val)
1645
$this->_send_command('to', $val);
1650
$this->_send_command('data');
1652
// perform dot transformation on any lines that begin with a dot
1653
$this->_send_data($this->_header_str . preg_replace('/^\./m', '..$1', $this->_finalbody));
1655
$this->_send_data('.');
1657
$reply = $this->_get_smtp_data();
1659
$this->_set_error_message($reply);
1661
if (strncmp($reply, '250', 3) != 0)
1663
$this->_set_error_message('lang:email_smtp_error', $reply);
1667
$this->_send_command('quit');
1671
// --------------------------------------------------------------------
1680
protected function _smtp_connect()
1683
if ($this->smtp_crypto == 'ssl')
1685
$this->_smtp_connect = fsockopen($ssl.$this->smtp_host,
1689
$this->smtp_timeout);
1691
if ( ! is_resource($this->_smtp_connect))
1693
$this->_set_error_message('lang:email_smtp_error', $errno." ".$errstr);
1697
$this->_set_error_message($this->_get_smtp_data());
1699
if ($this->smtp_crypto == 'tls')
1701
$this->_send_command('hello');
1702
$this->_send_command('starttls');
1703
stream_socket_enable_crypto($this->_smtp_connect, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT);
1706
return $this->_send_command('hello');
1709
// --------------------------------------------------------------------
1719
protected function _send_command($cmd, $data = '')
1725
if ($this->_smtp_auth OR $this->_get_encoding() == '8bit')
1726
$this->_send_data('EHLO '.$this->_get_hostname());
1728
$this->_send_data('HELO '.$this->_get_hostname());
1734
$this->_send_data('STARTTLS');
1740
$this->_send_data('MAIL FROM:<'.$data.'>');
1746
$this->_send_data('RCPT TO:<'.$data.'>');
1752
$this->_send_data('DATA');
1758
$this->_send_data('QUIT');
1764
$reply = $this->_get_smtp_data();
1766
$this->_debug_msg[] = "<pre>".$cmd.": ".$reply."</pre>";
1768
if (substr($reply, 0, 3) != $resp)
1770
$this->_set_error_message('lang:email_smtp_error', $reply);
1776
fclose($this->_smtp_connect);
1782
// --------------------------------------------------------------------
1790
protected function _smtp_authenticate()
1792
if ( ! $this->_smtp_auth)
1797
if ($this->smtp_user == "" AND $this->smtp_pass == "")
1799
$this->_set_error_message('lang:email_no_smtp_unpw');
1803
$this->_send_data('AUTH LOGIN');
1805
$reply = $this->_get_smtp_data();
1807
if (strncmp($reply, '334', 3) != 0)
1809
$this->_set_error_message('lang:email_failed_smtp_login', $reply);
1813
$this->_send_data(base64_encode($this->smtp_user));
1815
$reply = $this->_get_smtp_data();
1817
if (strncmp($reply, '334', 3) != 0)
1819
$this->_set_error_message('lang:email_smtp_auth_un', $reply);
1823
$this->_send_data(base64_encode($this->smtp_pass));
1825
$reply = $this->_get_smtp_data();
1827
if (strncmp($reply, '235', 3) != 0)
1829
$this->_set_error_message('lang:email_smtp_auth_pw', $reply);
1836
// --------------------------------------------------------------------
1844
protected function _send_data($data)
1846
if ( ! fwrite($this->_smtp_connect, $data . $this->newline))
1848
$this->_set_error_message('lang:email_smtp_data_failure', $data);
1857
// --------------------------------------------------------------------
1865
protected function _get_smtp_data()
1869
while ($str = fgets($this->_smtp_connect, 512))
1873
if (substr($str, 3, 1) == " ")
1882
// --------------------------------------------------------------------
1890
protected function _get_hostname()
1892
return (isset($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : 'localhost.localdomain';
1895
// --------------------------------------------------------------------
1903
protected function _get_ip()
1905
if ($this->_IP !== FALSE)
1910
$cip = (isset($_SERVER['HTTP_CLIENT_IP']) AND $_SERVER['HTTP_CLIENT_IP'] != "") ? $_SERVER['HTTP_CLIENT_IP'] : FALSE;
1911
$rip = (isset($_SERVER['REMOTE_ADDR']) AND $_SERVER['REMOTE_ADDR'] != "") ? $_SERVER['REMOTE_ADDR'] : FALSE;
1912
$fip = (isset($_SERVER['HTTP_X_FORWARDED_FOR']) AND $_SERVER['HTTP_X_FORWARDED_FOR'] != "") ? $_SERVER['HTTP_X_FORWARDED_FOR'] : FALSE;
1914
if ($cip && $rip) $this->_IP = $cip;
1915
elseif ($rip) $this->_IP = $rip;
1916
elseif ($cip) $this->_IP = $cip;
1917
elseif ($fip) $this->_IP = $fip;
1919
if (strpos($this->_IP, ',') !== FALSE)
1921
$x = explode(',', $this->_IP);
1922
$this->_IP = end($x);
1925
if ( ! preg_match( "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/", $this->_IP))
1927
$this->_IP = '0.0.0.0';
1937
// --------------------------------------------------------------------
1945
public function print_debugger()
1949
if (count($this->_debug_msg) > 0)
1951
foreach ($this->_debug_msg as $val)
1957
$msg .= "<pre>".$this->_header_str."\n".htmlspecialchars($this->_subject)."\n".htmlspecialchars($this->_finalbody).'</pre>';
1961
// --------------------------------------------------------------------
1970
protected function _set_error_message($msg, $val = '')
1972
$CI =& get_instance();
1973
$CI->lang->load('email');
1975
if (substr($msg, 0, 5) != 'lang:' || FALSE === ($line = $CI->lang->line(substr($msg, 5))))
1977
$this->_debug_msg[] = str_replace('%s', $val, $msg)."<br />";
1981
$this->_debug_msg[] = str_replace('%s', $val, $line)."<br />";
1985
// --------------------------------------------------------------------
1994
protected function _mime_types($ext = "")
1996
$mimes = array( 'hqx' => 'application/mac-binhex40',
1997
'cpt' => 'application/mac-compactpro',
1998
'doc' => 'application/msword',
1999
'bin' => 'application/macbinary',
2000
'dms' => 'application/octet-stream',
2001
'lha' => 'application/octet-stream',
2002
'lzh' => 'application/octet-stream',
2003
'exe' => 'application/octet-stream',
2004
'class' => 'application/octet-stream',
2005
'psd' => 'application/octet-stream',
2006
'so' => 'application/octet-stream',
2007
'sea' => 'application/octet-stream',
2008
'dll' => 'application/octet-stream',
2009
'oda' => 'application/oda',
2010
'pdf' => 'application/pdf',
2011
'ai' => 'application/postscript',
2012
'eps' => 'application/postscript',
2013
'ps' => 'application/postscript',
2014
'smi' => 'application/smil',
2015
'smil' => 'application/smil',
2016
'mif' => 'application/vnd.mif',
2017
'xls' => 'application/vnd.ms-excel',
2018
'ppt' => 'application/vnd.ms-powerpoint',
2019
'wbxml' => 'application/vnd.wap.wbxml',
2020
'wmlc' => 'application/vnd.wap.wmlc',
2021
'dcr' => 'application/x-director',
2022
'dir' => 'application/x-director',
2023
'dxr' => 'application/x-director',
2024
'dvi' => 'application/x-dvi',
2025
'gtar' => 'application/x-gtar',
2026
'php' => 'application/x-httpd-php',
2027
'php4' => 'application/x-httpd-php',
2028
'php3' => 'application/x-httpd-php',
2029
'phtml' => 'application/x-httpd-php',
2030
'phps' => 'application/x-httpd-php-source',
2031
'js' => 'application/x-javascript',
2032
'swf' => 'application/x-shockwave-flash',
2033
'sit' => 'application/x-stuffit',
2034
'tar' => 'application/x-tar',
2035
'tgz' => 'application/x-tar',
2036
'xhtml' => 'application/xhtml+xml',
2037
'xht' => 'application/xhtml+xml',
2038
'zip' => 'application/zip',
2039
'mid' => 'audio/midi',
2040
'midi' => 'audio/midi',
2041
'mpga' => 'audio/mpeg',
2042
'mp2' => 'audio/mpeg',
2043
'mp3' => 'audio/mpeg',
2044
'aif' => 'audio/x-aiff',
2045
'aiff' => 'audio/x-aiff',
2046
'aifc' => 'audio/x-aiff',
2047
'ram' => 'audio/x-pn-realaudio',
2048
'rm' => 'audio/x-pn-realaudio',
2049
'rpm' => 'audio/x-pn-realaudio-plugin',
2050
'ra' => 'audio/x-realaudio',
2051
'rv' => 'video/vnd.rn-realvideo',
2052
'wav' => 'audio/x-wav',
2053
'bmp' => 'image/bmp',
2054
'gif' => 'image/gif',
2055
'jpeg' => 'image/jpeg',
2056
'jpg' => 'image/jpeg',
2057
'jpe' => 'image/jpeg',
2058
'png' => 'image/png',
2059
'tiff' => 'image/tiff',
2060
'tif' => 'image/tiff',
2061
'css' => 'text/css',
2062
'html' => 'text/html',
2063
'htm' => 'text/html',
2064
'shtml' => 'text/html',
2065
'txt' => 'text/plain',
2066
'text' => 'text/plain',
2067
'log' => 'text/plain',
2068
'rtx' => 'text/richtext',
2069
'rtf' => 'text/rtf',
2070
'xml' => 'text/xml',
2071
'xsl' => 'text/xml',
2072
'mpeg' => 'video/mpeg',
2073
'mpg' => 'video/mpeg',
2074
'mpe' => 'video/mpeg',
2075
'qt' => 'video/quicktime',
2076
'mov' => 'video/quicktime',
2077
'avi' => 'video/x-msvideo',
2078
'movie' => 'video/x-sgi-movie',
2079
'doc' => 'application/msword',
2080
'word' => 'application/msword',
2081
'xl' => 'application/excel',
2082
'eml' => 'message/rfc822'
2085
return ( ! isset($mimes[strtolower($ext)])) ? "application/x-unknown-content-type" : $mimes[strtolower($ext)];
2089
// END CI_Email class
2091
/* End of file Email.php */
2092
/* Location: ./system/libraries/Email.php */
added
removed
codeigniter/system/libraries/Email.php
