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-rw-r--r--system/libraries/Email.php253
1 files changed, 90 insertions, 163 deletions
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index cd74d6da1..e5d9706ac 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -29,8 +29,8 @@
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
- * @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
- * @license http://opensource.org/licenses/MIT MIT License
+ * @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (https://bcit.ca/)
+ * @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
@@ -147,7 +147,7 @@ class CI_Email {
*
* @var string
*/
- public $charset = 'UTF-8';
+ public $charset = 'utf-8';
/**
* Alternative message (for HTML messages only)
@@ -161,7 +161,7 @@ class CI_Email {
*
* @var bool
*/
- public $validate = FALSE;
+ public $validate = TRUE;
/**
* X-Priority header value.
@@ -174,7 +174,7 @@ class CI_Email {
* Newline character sequence.
* Use "\r\n" to comply with RFC 822.
*
- * @link http://www.ietf.org/rfc/rfc822.txt
+ * @link https://www.ietf.org/rfc/rfc822.txt
* @var string "\r\n" or "\n"
*/
public $newline = "\n"; // Default newline. "\r\n" or "\n" (Use "\r\n" to comply with RFC 822)
@@ -188,7 +188,7 @@ class CI_Email {
* switching to "\n", while improper, is the only solution
* that seems to work for all environments.
*
- * @link http://www.ietf.org/rfc/rfc822.txt
+ * @link https://www.ietf.org/rfc/rfc822.txt
* @var string
*/
public $crlf = "\n";
@@ -226,13 +226,6 @@ class CI_Email {
// --------------------------------------------------------------------
/**
- * Whether PHP is running in safe mode. Initialized by the class constructor.
- *
- * @var bool
- */
- protected $_safe_mode = FALSE;
-
- /**
* Subject header
*
* @var string
@@ -395,7 +388,6 @@ class CI_Email {
{
$this->charset = config_item('charset');
$this->initialize($config);
- $this->_safe_mode = ( ! is_php('5.4') && ini_get('safe_mode'));
isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
@@ -675,18 +667,6 @@ class CI_Email {
public function message($body)
{
$this->_body = rtrim(str_replace("\r", '', $body));
-
- /* strip slashes only if magic quotes is ON
- if we do it with magic quotes OFF, it strips real, user-inputted chars.
-
- NOTE: In PHP 5.4 get_magic_quotes_gpc() will always return 0 and
- it will probably not exist in future versions at all.
- */
- if ( ! is_php('5.4') && get_magic_quotes_gpc())
- {
- $this->_body = stripslashes($this->_body);
- }
-
return $this;
}
@@ -1032,16 +1012,15 @@ class CI_Email {
*/
public function valid_email($email)
{
- if (function_exists('idn_to_ascii') && strpos($email, '@'))
+ if (function_exists('idn_to_ascii') && preg_match('#\A([^@]+)@(.+)\z#', $email, $matches))
{
- list($account, $domain) = explode('@', $email, 2);
$domain = defined('INTL_IDNA_VARIANT_UTS46')
- ? idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46)
- : idn_to_ascii($domain);
+ ? idn_to_ascii($matches[2], 0, INTL_IDNA_VARIANT_UTS46)
+ : idn_to_ascii($matches[2]);
if ($domain !== FALSE)
{
- $email = $account.'@'.$domain;
+ $email = $matches[1].'@'.$domain;
}
}
@@ -1261,7 +1240,7 @@ class CI_Email {
/**
* Build Final Body and attachments
*
- * @return bool
+ * @return void
*/
protected function _build_message()
{
@@ -1428,8 +1407,6 @@ class CI_Email {
$this->_finalbody = ($this->_get_protocol() === 'mail')
? $body
: $hdr.$this->newline.$this->newline.$body;
-
- return TRUE;
}
// --------------------------------------------------------------------
@@ -1490,7 +1467,7 @@ class CI_Email {
* Prep Quoted Printable
*
* Prepares string for Quoted-Printable Content-Transfer-Encoding
- * Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt
+ * Refer to RFC 2045 https://www.ietf.org/rfc/rfc2045.txt
*
* @param string
* @return string
@@ -1499,7 +1476,7 @@ class CI_Email {
{
// ASCII code numbers for "safe" characters that can always be
// used literally, without encoding, as described in RFC 2049.
- // http://www.ietf.org/rfc/rfc2049.txt
+ // https://www.ietf.org/rfc/rfc2049.txt
static $ascii_safe_chars = array(
// ' ( ) + , - . / : = ?
39, 40, 41, 43, 44, 45, 46, 47, 58, 61, 63,
@@ -1691,8 +1668,8 @@ class CI_Email {
$this->reply_to($this->_headers['From']);
}
- if ( ! isset($this->_recipients) && ! isset($this->_headers['To'])
- && ! isset($this->_bcc_array) && ! isset($this->_headers['Bcc'])
+ if (empty($this->_recipients) && ! isset($this->_headers['To'])
+ && empty($this->_bcc_array) && ! isset($this->_headers['Bcc'])
&& ! isset($this->_headers['Cc']))
{
$this->_set_error_message('lang:email_no_recipients');
@@ -1703,21 +1680,17 @@ class CI_Email {
if ($this->bcc_batch_mode && count($this->_bcc_array) > $this->bcc_batch_size)
{
- $result = $this->batch_bcc_send();
+ $this->batch_bcc_send();
- if ($result && $auto_clear)
+ if ($auto_clear)
{
$this->clear();
}
- return $result;
- }
-
- if ($this->_build_message() === FALSE)
- {
- return FALSE;
+ return TRUE;
}
+ $this->_build_message();
$result = $this->_spool_email();
if ($result && $auto_clear)
@@ -1776,11 +1749,7 @@ class CI_Email {
$this->_bcc_array = $bcc;
}
- if ($this->_build_message() === FALSE)
- {
- return FALSE;
- }
-
+ $this->_build_message();
$this->_spool_email();
}
}
@@ -1857,7 +1826,7 @@ class CI_Email {
*/
protected function _validate_email_for_shell(&$email)
{
- if (function_exists('idn_to_ascii') && strpos($email, '@'))
+ if (function_exists('idn_to_ascii') && $atpos = strpos($email, '@'))
{
list($account, $domain) = explode('@', $email, 2);
$domain = defined('INTL_IDNA_VARIANT_UTS46')
@@ -1891,16 +1860,14 @@ class CI_Email {
// so this needs to be assigned to a variable
$from = $this->clean_email($this->_headers['Return-Path']);
- if ($this->_safe_mode === TRUE || ! $this->_validate_email_for_shell($from))
+ if ( ! $this->_validate_email_for_shell($from))
{
return mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str);
}
- else
- {
- // most documentation of sendmail using the "-f" flag lacks a space after it, however
- // we've encountered servers that seem to require it to be in place.
- return mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, '-f '.$from);
- }
+
+ // most documentation of sendmail using the "-f" flag lacks a space after it, however
+ // we've encountered servers that seem to require it to be in place.
+ return mail($this->_recipients, $this->_subject, $this->_finalbody, $this->_header_str, '-f '.$from);
}
// --------------------------------------------------------------------
@@ -1981,27 +1948,21 @@ class CI_Email {
}
}
- if (count($this->_cc_array) > 0)
+ foreach ($this->_cc_array as $val)
{
- foreach ($this->_cc_array as $val)
+ if ($val !== '' && ! $this->_send_command('to', $val))
{
- if ($val !== '' && ! $this->_send_command('to', $val))
- {
- $this->_smtp_end();
- return FALSE;
- }
+ $this->_smtp_end();
+ return FALSE;
}
}
- if (count($this->_bcc_array) > 0)
+ foreach ($this->_bcc_array as $val)
{
- foreach ($this->_bcc_array as $val)
+ if ($val !== '' && ! $this->_send_command('to', $val))
{
- if ($val !== '' && ! $this->_send_command('to', $val))
- {
- $this->_smtp_end();
- return FALSE;
- }
+ $this->_smtp_end();
+ return FALSE;
}
}
@@ -2015,7 +1976,6 @@ class CI_Email {
$this->_send_data($this->_header_str.preg_replace('/^\./m', '..$1', $this->_finalbody));
$this->_send_data('.');
-
$reply = $this->_get_smtp_data();
$this->_set_error_message($reply);
@@ -2041,9 +2001,7 @@ class CI_Email {
*/
protected function _smtp_end()
{
- ($this->smtp_keepalive)
- ? $this->_send_command('reset')
- : $this->_send_command('quit');
+ $this->_send_command($this->smtp_keepalive ? 'reset' : 'quit');
}
// --------------------------------------------------------------------
@@ -2062,11 +2020,13 @@ class CI_Email {
$ssl = ($this->smtp_crypto === 'ssl') ? 'ssl://' : '';
- $this->_smtp_connect = fsockopen($ssl.$this->smtp_host,
- $this->smtp_port,
- $errno,
- $errstr,
- $this->smtp_timeout);
+ $this->_smtp_connect = fsockopen(
+ $ssl.$this->smtp_host,
+ $this->smtp_port,
+ $errno,
+ $errstr,
+ $this->smtp_timeout
+ );
if ( ! is_resource($this->_smtp_connect))
{
@@ -2119,57 +2079,49 @@ class CI_Email {
{
switch ($cmd)
{
- case 'hello' :
-
- if ($this->_smtp_auth OR $this->_get_encoding() === '8bit')
- {
- $this->_send_data('EHLO '.$this->_get_hostname());
- }
- else
- {
- $this->_send_data('HELO '.$this->_get_hostname());
- }
-
- $resp = 250;
- break;
- case 'starttls' :
-
- $this->_send_data('STARTTLS');
- $resp = 220;
- break;
- case 'from' :
-
- $this->_send_data('MAIL FROM:<'.$data.'>');
- $resp = 250;
- break;
- case 'to' :
-
- if ($this->dsn)
- {
- $this->_send_data('RCPT TO:<'.$data.'> NOTIFY=SUCCESS,DELAY,FAILURE ORCPT=rfc822;'.$data);
- }
- else
- {
- $this->_send_data('RCPT TO:<'.$data.'>');
- }
-
- $resp = 250;
- break;
- case 'data' :
-
- $this->_send_data('DATA');
- $resp = 354;
- break;
- case 'reset':
-
- $this->_send_data('RSET');
- $resp = 250;
- break;
- case 'quit' :
+ case 'hello':
+ if ($this->_smtp_auth OR $this->_get_encoding() === '8bit')
+ {
+ $this->_send_data('EHLO '.$this->_get_hostname());
+ }
+ else
+ {
+ $this->_send_data('HELO '.$this->_get_hostname());
+ }
- $this->_send_data('QUIT');
- $resp = 221;
- break;
+ $resp = 250;
+ break;
+ case 'starttls':
+ $this->_send_data('STARTTLS');
+ $resp = 220;
+ break;
+ case 'from':
+ $this->_send_data('MAIL FROM:<'.$data.'>');
+ $resp = 250;
+ break;
+ case 'to':
+ if ($this->dsn)
+ {
+ $this->_send_data('RCPT TO:<'.$data.'> NOTIFY=SUCCESS,DELAY,FAILURE ORCPT=rfc822;'.$data);
+ }
+ else
+ {
+ $this->_send_data('RCPT TO:<'.$data.'>');
+ }
+ $resp = 250;
+ break;
+ case 'data':
+ $this->_send_data('DATA');
+ $resp = 354;
+ break;
+ case 'reset':
+ $this->_send_data('RSET');
+ $resp = 250;
+ break;
+ case 'quit':
+ $this->_send_data('QUIT');
+ $resp = 221;
+ break;
}
$reply = $this->_get_smtp_data();
@@ -2211,7 +2163,6 @@ class CI_Email {
}
$this->_send_data('AUTH LOGIN');
-
$reply = $this->_get_smtp_data();
if (strpos($reply, '503') === 0) // Already authenticated
@@ -2225,7 +2176,6 @@ class CI_Email {
}
$this->_send_data(base64_encode($this->smtp_user));
-
$reply = $this->_get_smtp_data();
if (strpos($reply, '334') !== 0)
@@ -2235,7 +2185,6 @@ class CI_Email {
}
$this->_send_data(base64_encode($this->smtp_pass));
-
$reply = $this->_get_smtp_data();
if (strpos($reply, '235') !== 0)
@@ -2269,7 +2218,7 @@ class CI_Email {
{
break;
}
- // See https://bugs.php.net/bug.php?id=39598 and http://php.net/manual/en/function.fwrite.php#96951
+ // See https://bugs.php.net/bug.php?id=39598 and https://secure.php.net/manual/en/function.fwrite.php#96951
elseif ($result === 0)
{
if ($timestamp === 0)
@@ -2332,7 +2281,7 @@ class CI_Email {
* (eg: "[1.2.3.4]").
*
* @link https://tools.ietf.org/html/rfc5321#section-2.3.5
- * @link http://cbl.abuseat.org/namingproblems.html
+ * @link https://cbl.abuseat.org/namingproblems.html
* @return string
*/
protected function _get_hostname()
@@ -2356,34 +2305,15 @@ class CI_Email {
*/
public function print_debugger($include = array('headers', 'subject', 'body'))
{
- $msg = '';
-
- if (count($this->_debug_msg) > 0)
- {
- foreach ($this->_debug_msg as $val)
- {
- $msg .= $val;
- }
- }
+ $msg = implode('', $this->_debug_msg);
// Determine which parts of our raw data needs to be printed
$raw_data = '';
is_array($include) OR $include = array($include);
- if (in_array('headers', $include, TRUE))
- {
- $raw_data = htmlspecialchars($this->_header_str)."\n";
- }
-
- if (in_array('subject', $include, TRUE))
- {
- $raw_data .= htmlspecialchars($this->_subject)."\n";
- }
-
- if (in_array('body', $include, TRUE))
- {
- $raw_data .= htmlspecialchars($this->_finalbody);
- }
+ in_array('headers', $include, TRUE) && $raw_data = htmlspecialchars($this->_header_str)."\n";
+ in_array('subject', $include, TRUE) && $raw_data .= htmlspecialchars($this->_subject)."\n";
+ in_array('body', $include, TRUE) && $raw_data .= htmlspecialchars($this->_finalbody);
return $msg.($raw_data === '' ? '' : '<pre>'.$raw_data.'</pre>');
}
@@ -2477,9 +2407,6 @@ class CI_Email {
{
if (self::$func_overload)
{
- // mb_substr($str, $start, null, '8bit') returns an empty
- // string on PHP 5.3
- isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start);
return mb_substr($str, $start, $length, '8bit');
}