system/libraries/Email.php
.htaccess
AesEncryption.php
LICENSE
application
.htaccess
cache
index.html
config
autoload.php
config.php
constants.php
database.php
doctypes.php
foreign_chars.php
hooks.php
index.html
memcached.php
migration.php
mimes.php
profiler.php
routes.php
smileys.php
user_agents.php
controllers
Systemid.php
Welcome.php
index.html
core
index.html
helpers
index.html
hooks
index.html
index.html
language
english
index.html
system_lang.php
index.html
libraries
index.html
logs
index.html
models
System_model.php
index.html
third_party
index.html
views
about.php
category
addedit.php
addeditsub.php
components.php
delete.php
errors
cli
error_404.php
error_db.php
error_exception.php
error_general.php
error_php.php
index.html
html
error_404.php
error_db.php
error_exception.php
error_general.php
error_php.php
index.html
index.html
foot.php
generator.php
head.php
index.html
login.php
main.php
pass
addedit.php
show.php
welcome_message.php
captcha
sys.txt
favicon.ico
index.php
install.php
library
AesEncryption.php
bootstrap
css
.DS_Store
bootstrap-grid.css
bootstrap-grid.css.map
bootstrap-grid.min.css
bootstrap-grid.min.css.map
bootstrap-reboot.css
bootstrap-reboot.css.map
bootstrap-reboot.min.css
bootstrap-reboot.min.css.map
bootstrap.css
bootstrap.css.map
bootstrap.min.css
bootstrap.min.css.map
js
bootstrap.bundle.js
bootstrap.bundle.js.map
bootstrap.bundle.min.js
bootstrap.bundle.min.js.map
bootstrap.js
bootstrap.js.map
bootstrap.min.js
bootstrap.min.js.map
font-awesome
HELP-US-OUT.txt
css
font-awesome.css
font-awesome.min.css
fonts
FontAwesome.otf
fontawesome-webfont.eot
fontawesome-webfont.svg
fontawesome-webfont.ttf
fontawesome-webfont.woff
fontawesome-webfont.woff2
less
animated.less
bordered-pulled.less
core.less
fixed-width.less
font-awesome.less
icons.less
larger.less
list.less
mixins.less
path.less
rotated-flipped.less
screen-reader.less
stacked.less
variables.less
scss
_animated.scss
_bordered-pulled.scss
_core.scss
_fixed-width.scss
_icons.scss
_larger.scss
_list.scss
_mixins.scss
_path.scss
_rotated-flipped.scss
_screen-reader.scss
_stacked.scss
_variables.scss
font-awesome.scss
font-awesome.min.css
jquery-ui
AUTHORS.txt
LICENSE.txt
external
jquery
jquery.js
images
ui-icons_444444_256x240.png
ui-icons_555555_256x240.png
ui-icons_777620_256x240.png
ui-icons_777777_256x240.png
ui-icons_cc0000_256x240.png
ui-icons_ffffff_256x240.png
index.html
jquery-ui.css
jquery-ui.js
jquery-ui.min.css
jquery-ui.min.js
jquery-ui.structure.css
jquery-ui.structure.min.css
jquery-ui.theme.css
jquery-ui.theme.min.css
package.json
jquery.min.js
jquerysctipttop.css
logo.png
password_indicator_bs4
css
signin.css
index.html
js
jaktutorial.js
popper.min.js
right-click
css
contextMenu.min.css
js
contextMenu.min.js
style.css
tether
css
tether-theme-arrows-dark.css
tether-theme-arrows-dark.min.css
tether-theme-arrows.css
tether-theme-arrows.min.css
tether-theme-basic.css
tether-theme-basic.min.css
tether.css
tether.min.css
js
tether.js
tether.min.js
system
.htaccess
core
Benchmark.php
CodeIgniter.php
Common.php
Config.php
Controller.php
Exceptions.php
Hooks.php
Input.php
Lang.php
Loader.php
Log.php
Model.php
Output.php
Router.php
Security.php
URI.php
Utf8.php
compat
hash.php
index.html
mbstring.php
password.php
standard.php
index.html
database
DB.php
DB_cache.php
DB_driver.php
DB_forge.php
DB_query_builder.php
DB_result.php
DB_utility.php
drivers
cubrid
cubrid_driver.php
cubrid_forge.php
cubrid_result.php
cubrid_utility.php
index.html
ibase
ibase_driver.php
ibase_forge.php
ibase_result.php
ibase_utility.php
index.html
index.html
mssql
index.html
mssql_driver.php
mssql_forge.php
mssql_result.php
mssql_utility.php
mysql
index.html
mysql_driver.php
mysql_forge.php
mysql_result.php
mysql_utility.php
mysqli
index.html
mysqli_driver.php
mysqli_forge.php
mysqli_result.php
mysqli_utility.php
oci8
index.html
oci8_driver.php
oci8_forge.php
oci8_result.php
oci8_utility.php
odbc
index.html
odbc_driver.php
odbc_forge.php
odbc_result.php
odbc_utility.php
pdo
index.html
pdo_driver.php
pdo_forge.php
pdo_result.php
pdo_utility.php
subdrivers
index.html
pdo_4d_driver.php
pdo_4d_forge.php
pdo_cubrid_driver.php
pdo_cubrid_forge.php
pdo_dblib_driver.php
pdo_dblib_forge.php
pdo_firebird_driver.php
pdo_firebird_forge.php
pdo_ibm_driver.php
pdo_ibm_forge.php
pdo_informix_driver.php
pdo_informix_forge.php
pdo_mysql_driver.php
pdo_mysql_forge.php
pdo_oci_driver.php
pdo_oci_forge.php
pdo_odbc_driver.php
pdo_odbc_forge.php
pdo_pgsql_driver.php
pdo_pgsql_forge.php
pdo_sqlite_driver.php
pdo_sqlite_forge.php
pdo_sqlsrv_driver.php
pdo_sqlsrv_forge.php
postgre
index.html
postgre_driver.php
postgre_forge.php
postgre_result.php
postgre_utility.php
sqlite
index.html
sqlite_driver.php
sqlite_forge.php
sqlite_result.php
sqlite_utility.php
sqlite3
index.html
sqlite3_driver.php
sqlite3_forge.php
sqlite3_result.php
sqlite3_utility.php
sqlsrv
index.html
sqlsrv_driver.php
sqlsrv_forge.php
sqlsrv_result.php
sqlsrv_utility.php
index.html
fonts
index.html
texb.ttf
helpers
array_helper.php
captcha_helper.php
cookie_helper.php
date_helper.php
directory_helper.php
download_helper.php
email_helper.php
file_helper.php
form_helper.php
html_helper.php
index.html
inflector_helper.php
language_helper.php
number_helper.php
path_helper.php
security_helper.php
smiley_helper.php
string_helper.php
text_helper.php
typography_helper.php
url_helper.php
xml_helper.php
index.html
language
english
calendar_lang.php
date_lang.php
db_lang.php
email_lang.php
form_validation_lang.php
ftp_lang.php
imglib_lang.php
index.html
migration_lang.php
number_lang.php
pagination_lang.php
profiler_lang.php
unit_test_lang.php
upload_lang.php
index.html
libraries
Cache
Cache.php
drivers
Cache_apc.php
Cache_dummy.php
Cache_file.php
Cache_memcached.php
Cache_redis.php
Cache_wincache.php
index.html
index.html
Calendar.php
Cart.php
Driver.php
Email.php
Encrypt.php
Encryption.php
Form_validation.php
Ftp.php
Image_lib.php
Javascript
Jquery.php
index.html
Javascript.php
Migration.php
Pagination.php
Parser.php
Profiler.php
Session
Session.php
SessionHandlerInterface.php
Session_driver.php
drivers
Session_database_driver.php
Session_files_driver.php
Session_memcached_driver.php
Session_redis_driver.php
index.html
index.html
Table.php
Trackback.php
Typography.php
Unit_test.php
Upload.php
User_agent.php
Xmlrpc.php
Xmlrpcs.php
Zip.php
index.html
AesEncryption.php
LICENSE
application
.htaccess
cache
index.html
config
autoload.php
config.php
constants.php
database.php
doctypes.php
foreign_chars.php
hooks.php
index.html
memcached.php
migration.php
mimes.php
profiler.php
routes.php
smileys.php
user_agents.php
controllers
Systemid.php
Welcome.php
index.html
core
index.html
helpers
index.html
hooks
index.html
index.html
language
english
index.html
system_lang.php
index.html
libraries
index.html
logs
index.html
models
System_model.php
index.html
third_party
index.html
views
about.php
category
addedit.php
addeditsub.php
components.php
delete.php
errors
cli
error_404.php
error_db.php
error_exception.php
error_general.php
error_php.php
index.html
html
error_404.php
error_db.php
error_exception.php
error_general.php
error_php.php
index.html
index.html
foot.php
generator.php
head.php
index.html
login.php
main.php
pass
addedit.php
show.php
welcome_message.php
captcha
sys.txt
favicon.ico
index.php
install.php
library
AesEncryption.php
bootstrap
css
.DS_Store
bootstrap-grid.css
bootstrap-grid.css.map
bootstrap-grid.min.css
bootstrap-grid.min.css.map
bootstrap-reboot.css
bootstrap-reboot.css.map
bootstrap-reboot.min.css
bootstrap-reboot.min.css.map
bootstrap.css
bootstrap.css.map
bootstrap.min.css
bootstrap.min.css.map
js
bootstrap.bundle.js
bootstrap.bundle.js.map
bootstrap.bundle.min.js
bootstrap.bundle.min.js.map
bootstrap.js
bootstrap.js.map
bootstrap.min.js
bootstrap.min.js.map
font-awesome
HELP-US-OUT.txt
css
font-awesome.css
font-awesome.min.css
fonts
FontAwesome.otf
fontawesome-webfont.eot
fontawesome-webfont.svg
fontawesome-webfont.ttf
fontawesome-webfont.woff
fontawesome-webfont.woff2
less
animated.less
bordered-pulled.less
core.less
fixed-width.less
font-awesome.less
icons.less
larger.less
list.less
mixins.less
path.less
rotated-flipped.less
screen-reader.less
stacked.less
variables.less
scss
_animated.scss
_bordered-pulled.scss
_core.scss
_fixed-width.scss
_icons.scss
_larger.scss
_list.scss
_mixins.scss
_path.scss
_rotated-flipped.scss
_screen-reader.scss
_stacked.scss
_variables.scss
font-awesome.scss
font-awesome.min.css
jquery-ui
AUTHORS.txt
LICENSE.txt
external
jquery
jquery.js
images
ui-icons_444444_256x240.png
ui-icons_555555_256x240.png
ui-icons_777620_256x240.png
ui-icons_777777_256x240.png
ui-icons_cc0000_256x240.png
ui-icons_ffffff_256x240.png
index.html
jquery-ui.css
jquery-ui.js
jquery-ui.min.css
jquery-ui.min.js
jquery-ui.structure.css
jquery-ui.structure.min.css
jquery-ui.theme.css
jquery-ui.theme.min.css
package.json
jquery.min.js
jquerysctipttop.css
logo.png
password_indicator_bs4
css
signin.css
index.html
js
jaktutorial.js
popper.min.js
right-click
css
contextMenu.min.css
js
contextMenu.min.js
style.css
tether
css
tether-theme-arrows-dark.css
tether-theme-arrows-dark.min.css
tether-theme-arrows.css
tether-theme-arrows.min.css
tether-theme-basic.css
tether-theme-basic.min.css
tether.css
tether.min.css
js
tether.js
tether.min.js
system
.htaccess
core
Benchmark.php
CodeIgniter.php
Common.php
Config.php
Controller.php
Exceptions.php
Hooks.php
Input.php
Lang.php
Loader.php
Log.php
Model.php
Output.php
Router.php
Security.php
URI.php
Utf8.php
compat
hash.php
index.html
mbstring.php
password.php
standard.php
index.html
database
DB.php
DB_cache.php
DB_driver.php
DB_forge.php
DB_query_builder.php
DB_result.php
DB_utility.php
drivers
cubrid
cubrid_driver.php
cubrid_forge.php
cubrid_result.php
cubrid_utility.php
index.html
ibase
ibase_driver.php
ibase_forge.php
ibase_result.php
ibase_utility.php
index.html
index.html
mssql
index.html
mssql_driver.php
mssql_forge.php
mssql_result.php
mssql_utility.php
mysql
index.html
mysql_driver.php
mysql_forge.php
mysql_result.php
mysql_utility.php
mysqli
index.html
mysqli_driver.php
mysqli_forge.php
mysqli_result.php
mysqli_utility.php
oci8
index.html
oci8_driver.php
oci8_forge.php
oci8_result.php
oci8_utility.php
odbc
index.html
odbc_driver.php
odbc_forge.php
odbc_result.php
odbc_utility.php
pdo
index.html
pdo_driver.php
pdo_forge.php
pdo_result.php
pdo_utility.php
subdrivers
index.html
pdo_4d_driver.php
pdo_4d_forge.php
pdo_cubrid_driver.php
pdo_cubrid_forge.php
pdo_dblib_driver.php
pdo_dblib_forge.php
pdo_firebird_driver.php
pdo_firebird_forge.php
pdo_ibm_driver.php
pdo_ibm_forge.php
pdo_informix_driver.php
pdo_informix_forge.php
pdo_mysql_driver.php
pdo_mysql_forge.php
pdo_oci_driver.php
pdo_oci_forge.php
pdo_odbc_driver.php
pdo_odbc_forge.php
pdo_pgsql_driver.php
pdo_pgsql_forge.php
pdo_sqlite_driver.php
pdo_sqlite_forge.php
pdo_sqlsrv_driver.php
pdo_sqlsrv_forge.php
postgre
index.html
postgre_driver.php
postgre_forge.php
postgre_result.php
postgre_utility.php
sqlite
index.html
sqlite_driver.php
sqlite_forge.php
sqlite_result.php
sqlite_utility.php
sqlite3
index.html
sqlite3_driver.php
sqlite3_forge.php
sqlite3_result.php
sqlite3_utility.php
sqlsrv
index.html
sqlsrv_driver.php
sqlsrv_forge.php
sqlsrv_result.php
sqlsrv_utility.php
index.html
fonts
index.html
texb.ttf
helpers
array_helper.php
captcha_helper.php
cookie_helper.php
date_helper.php
directory_helper.php
download_helper.php
email_helper.php
file_helper.php
form_helper.php
html_helper.php
index.html
inflector_helper.php
language_helper.php
number_helper.php
path_helper.php
security_helper.php
smiley_helper.php
string_helper.php
text_helper.php
typography_helper.php
url_helper.php
xml_helper.php
index.html
language
english
calendar_lang.php
date_lang.php
db_lang.php
email_lang.php
form_validation_lang.php
ftp_lang.php
imglib_lang.php
index.html
migration_lang.php
number_lang.php
pagination_lang.php
profiler_lang.php
unit_test_lang.php
upload_lang.php
index.html
libraries
Cache
Cache.php
drivers
Cache_apc.php
Cache_dummy.php
Cache_file.php
Cache_memcached.php
Cache_redis.php
Cache_wincache.php
index.html
index.html
Calendar.php
Cart.php
Driver.php
Email.php
Encrypt.php
Encryption.php
Form_validation.php
Ftp.php
Image_lib.php
Javascript
Jquery.php
index.html
Javascript.php
Migration.php
Pagination.php
Parser.php
Profiler.php
Session
Session.php
SessionHandlerInterface.php
Session_driver.php
drivers
Session_database_driver.php
Session_files_driver.php
Session_memcached_driver.php
Session_redis_driver.php
index.html
index.html
Table.php
Trackback.php
Typography.php
Unit_test.php
Upload.php
User_agent.php
Xmlrpc.php
Xmlrpcs.php
Zip.php
index.html
<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @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
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* CodeIgniter Email Class
*
* Permits email to be sent using Mail, Sendmail, or SMTP.
*
* @package CodeIgniter
* @subpackage Libraries
* @category Libraries
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/libraries/email.html
*/
class CI_Email {
/**
* Used as the User-Agent and X-Mailer headers' value.
*
* @var string
*/
public $useragent = 'CodeIgniter';
/**
* Path to the Sendmail binary.
*
* @var string
*/
public $mailpath = '/usr/sbin/sendmail'; // Sendmail path
/**
* Which method to use for sending e-mails.
*
* @var string 'mail', 'sendmail' or 'smtp'
*/
public $protocol = 'mail'; // mail/sendmail/smtp
/**
* STMP Server host
*
* @var string
*/
public $smtp_host = '';
/**
* SMTP Username
*
* @var string
*/
public $smtp_user = '';
/**
* SMTP Password
*
* @var string
*/
public $smtp_pass = '';
/**
* SMTP Server port
*
* @var int
*/
public $smtp_port = 25;
/**
* SMTP connection timeout in seconds
*
* @var int
*/
public $smtp_timeout = 5;
/**
* SMTP persistent connection
*
* @var bool
*/
public $smtp_keepalive = FALSE;
/**
* SMTP Encryption
*
* @var string empty, 'tls' or 'ssl'
*/
public $smtp_crypto = '';
/**
* Whether to apply word-wrapping to the message body.
*
* @var bool
*/
public $wordwrap = TRUE;
/**
* Number of characters to wrap at.
*
* @see CI_Email::$wordwrap
* @var int
*/
public $wrapchars = 76;
/**
* Message format.
*
* @var string 'text' or 'html'
*/
public $mailtype = 'text';
/**
* Character set (default: utf-8)
*
* @var string
*/
public $charset = 'UTF-8';
/**
* Alternative message (for HTML messages only)
*
* @var string
*/
public $alt_message = '';
/**
* Whether to validate e-mail addresses.
*
* @var bool
*/
public $validate = FALSE;
/**
* X-Priority header value.
*
* @var int 1-5
*/
public $priority = 3; // Default priority (1 - 5)
/**
* Newline character sequence.
* Use "\r\n" to comply with RFC 822.
*
* @link http://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)
/**
* CRLF character sequence
*
* RFC 2045 specifies that for 'quoted-printable' encoding,
* "\r\n" must be used. However, it appears that some servers
* (even on the receiving end) don't handle it properly and
* switching to "\n", while improper, is the only solution
* that seems to work for all environments.
*
* @link http://www.ietf.org/rfc/rfc822.txt
* @var string
*/
public $crlf = "\n";
/**
* Whether to use Delivery Status Notification.
*
* @var bool
*/
public $dsn = FALSE;
/**
* Whether to send multipart alternatives.
* Yahoo! doesn't seem to like these.
*
* @var bool
*/
public $send_multipart = TRUE;
/**
* Whether to send messages to BCC recipients in batches.
*
* @var bool
*/
public $bcc_batch_mode = FALSE;
/**
* BCC Batch max number size.
*
* @see CI_Email::$bcc_batch_mode
* @var int
*/
public $bcc_batch_size = 200;
// --------------------------------------------------------------------
/**
* Whether PHP is running in safe mode. Initialized by the class constructor.
*
* @var bool
*/
protected $_safe_mode = FALSE;
/**
* Subject header
*
* @var string
*/
protected $_subject = '';
/**
* Message body
*
* @var string
*/
protected $_body = '';
/**
* Final message body to be sent.
*
* @var string
*/
protected $_finalbody = '';
/**
* Final headers to send
*
* @var string
*/
protected $_header_str = '';
/**
* SMTP Connection socket placeholder
*
* @var resource
*/
protected $_smtp_connect = '';
/**
* Mail encoding
*
* @var string '8bit' or '7bit'
*/
protected $_encoding = '8bit';
/**
* Whether to perform SMTP authentication
*
* @var bool
*/
protected $_smtp_auth = FALSE;
/**
* Whether to send a Reply-To header
*
* @var bool
*/
protected $_replyto_flag = FALSE;
/**
* Debug messages
*
* @see CI_Email::print_debugger()
* @var string
*/
protected $_debug_msg = array();
/**
* Recipients
*
* @var string[]
*/
protected $_recipients = array();
/**
* CC Recipients
*
* @var string[]
*/
protected $_cc_array = array();
/**
* BCC Recipients
*
* @var string[]
*/
protected $_bcc_array = array();
/**
* Message headers
*
* @var string[]
*/
protected $_headers = array();
/**
* Attachment data
*
* @var array
*/
protected $_attachments = array();
/**
* Valid $protocol values
*
* @see CI_Email::$protocol
* @var string[]
*/
protected $_protocols = array('mail', 'sendmail', 'smtp');
/**
* Base charsets
*
* Character sets valid for 7-bit encoding,
* excluding language suffix.
*
* @var string[]
*/
protected $_base_charsets = array('us-ascii', 'iso-2022-');
/**
* Bit depths
*
* Valid mail encodings
*
* @see CI_Email::$_encoding
* @var string[]
*/
protected $_bit_depths = array('7bit', '8bit');
/**
* $priority translations
*
* Actual values to send with the X-Priority header
*
* @var string[]
*/
protected $_priorities = array(
1 => '1 (Highest)',
2 => '2 (High)',
3 => '3 (Normal)',
4 => '4 (Low)',
5 => '5 (Lowest)'
);
/**
* mbstring.func_overload flag
*
* @var bool
*/
protected static $func_overload;
// --------------------------------------------------------------------
/**
* Constructor - Sets Email Preferences
*
* The constructor can be passed an array of config values
*
* @param array $config = array()
* @return void
*/
public function __construct(array $config = array())
{
$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'));
log_message('info', 'Email Class Initialized');
}
// --------------------------------------------------------------------
/**
* Initialize preferences
*
* @param array $config
* @return CI_Email
*/
public function initialize(array $config = array())
{
$this->clear();
foreach ($config as $key => $val)
{
if (isset($this->$key))
{
$method = 'set_'.$key;
if (method_exists($this, $method))
{
$this->$method($val);
}
else
{
$this->$key = $val;
}
}
}
$this->charset = strtoupper($this->charset);
$this->_smtp_auth = isset($this->smtp_user[0], $this->smtp_pass[0]);
return $this;
}
// --------------------------------------------------------------------
/**
* Initialize the Email Data
*
* @param bool
* @return CI_Email
*/
public function clear($clear_attachments = FALSE)
{
$this->_subject = '';
$this->_body = '';
$this->_finalbody = '';
$this->_header_str = '';
$this->_replyto_flag = FALSE;
$this->_recipients = array();
$this->_cc_array = array();
$this->_bcc_array = array();
$this->_headers = array();
$this->_debug_msg = array();
$this->set_header('Date', $this->_set_date());
if ($clear_attachments !== FALSE)
{
$this->_attachments = array();
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set FROM
*
* @param string $from
* @param string $name
* @param string $return_path = NULL Return-Path
* @return CI_Email
*/
public function from($from, $name = '', $return_path = NULL)
{
if (preg_match('/\<(.*)\>/', $from, $match))
{
$from = $match[1];
}
if ($this->validate)
{
$this->validate_email($this->_str_to_array($from));
if ($return_path)
{
$this->validate_email($this->_str_to_array($return_path));
}
}
// prepare the display name
if ($name !== '')
{
// only use Q encoding if there are characters that would require it
if ( ! preg_match('/[\200-\377]/', $name))
{
// add slashes for non-printing characters, slashes, and double quotes, and surround it in double quotes
$name = '"'.addcslashes($name, "\0..\37\177'\"\\").'"';
}
else
{
$name = $this->_prep_q_encoding($name);
}
}
$this->set_header('From', $name.' <'.$from.'>');
isset($return_path) OR $return_path = $from;
$this->set_header('Return-Path', '<'.$return_path.'>');
return $this;
}
// --------------------------------------------------------------------
/**
* Set Reply-to
*
* @param string
* @param string
* @return CI_Email
*/
public function reply_to($replyto, $name = '')
{
if (preg_match('/\<(.*)\>/', $replyto, $match))
{
$replyto = $match[1];
}
if ($this->validate)
{
$this->validate_email($this->_str_to_array($replyto));
}
if ($name !== '')
{
// only use Q encoding if there are characters that would require it
if ( ! preg_match('/[\200-\377]/', $name))
{
// add slashes for non-printing characters, slashes, and double quotes, and surround it in double quotes
$name = '"'.addcslashes($name, "\0..\37\177'\"\\").'"';
}
else
{
$name = $this->_prep_q_encoding($name);
}
}
$this->set_header('Reply-To', $name.' <'.$replyto.'>');
$this->_replyto_flag = TRUE;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Recipients
*
* @param string
* @return CI_Email
*/
public function to($to)
{
$to = $this->_str_to_array($to);
$to = $this->clean_email($to);
if ($this->validate)
{
$this->validate_email($to);
}
if ($this->_get_protocol() !== 'mail')
{
$this->set_header('To', implode(', ', $to));
}
$this->_recipients = $to;
return $this;
}
// --------------------------------------------------------------------
/**
* Set CC
*
* @param string
* @return CI_Email
*/
public function cc($cc)
{
$cc = $this->clean_email($this->_str_to_array($cc));
if ($this->validate)
{
$this->validate_email($cc);
}
$this->set_header('Cc', implode(', ', $cc));
if ($this->_get_protocol() === 'smtp')
{
$this->_cc_array = $cc;
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set BCC
*
* @param string
* @param string
* @return CI_Email
*/
public function bcc($bcc, $limit = '')
{
if ($limit !== '' && is_numeric($limit))
{
$this->bcc_batch_mode = TRUE;
$this->bcc_batch_size = $limit;
}
$bcc = $this->clean_email($this->_str_to_array($bcc));
if ($this->validate)
{
$this->validate_email($bcc);
}
if ($this->_get_protocol() === 'smtp' OR ($this->bcc_batch_mode && count($bcc) > $this->bcc_batch_size))
{
$this->_bcc_array = $bcc;
}
else
{
$this->set_header('Bcc', implode(', ', $bcc));
}
return $this;
}
// --------------------------------------------------------------------
/**
* Set Email Subject
*
* @param string
* @return CI_Email
*/
public function subject($subject)
{
$subject = $this->_prep_q_encoding($subject);
$this->set_header('Subject', $subject);
return $this;
}
// --------------------------------------------------------------------
/**
* Set Body
*
* @param string
* @return CI_Email
*/
public function message($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;
}
// --------------------------------------------------------------------
/**
* Assign file attachments
*
* @param string $file Can be local path, URL or buffered content
* @param string $disposition = 'attachment'
* @param string $newname = NULL
* @param string $mime = ''
* @return CI_Email
*/
public function attach($file, $disposition = '', $newname = NULL, $mime = '')
{
if ($mime === '')
{
if (strpos($file, '://') === FALSE && ! file_exists($file))
{
$this->_set_error_message('lang:email_attachment_missing', $file);
return FALSE;
}
if ( ! $fp = @fopen($file, 'rb'))
{
$this->_set_error_message('lang:email_attachment_unreadable', $file);
return FALSE;
}
$file_content = stream_get_contents($fp);
$mime = $this->_mime_types(pathinfo($file, PATHINFO_EXTENSION));
fclose($fp);
}
else
{
$file_content =& $file; // buffered file
}
$this->_attachments[] = array(
'name' => array($file, $newname),
'disposition' => empty($disposition) ? 'attachment' : $disposition, // Can also be 'inline' Not sure if it matters
'type' => $mime,
'content' => chunk_split(base64_encode($file_content)),
'multipart' => 'mixed'
);
return $this;
}
// --------------------------------------------------------------------
/**
* Set and return attachment Content-ID
*
* Useful for attached inline pictures
*
* @param string $filename
* @return string
*/
public function attachment_cid($filename)
{
for ($i = 0, $c = count($this->_attachments); $i < $c; $i++)
{
if ($this->_attachments[$i]['name'][0] === $filename)
{
$this->_attachments[$i]['multipart'] = 'related';
$this->_attachments[$i]['cid'] = uniqid(basename($this->_attachments[$i]['name'][0]).'@');
return $this->_attachments[$i]['cid'];
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Add a Header Item
*
* @param string
* @param string
* @return CI_Email
*/
public function set_header($header, $value)
{
$this->_headers[$header] = str_replace(array("\n", "\r"), '', $value);
return $this;
}
// --------------------------------------------------------------------
/**
* Convert a String to an Array
*
* @param string
* @return array
*/
protected function _str_to_array($email)
{
if ( ! is_array($email))
{
return (strpos($email, ',') !== FALSE)
? preg_split('/[\s,]/', $email, -1, PREG_SPLIT_NO_EMPTY)
: (array) trim($email);
}
return $email;
}
// --------------------------------------------------------------------
/**
* Set Multipart Value
*
* @param string
* @return CI_Email
*/
public function set_alt_message($str)
{
$this->alt_message = (string) $str;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Mailtype
*
* @param string
* @return CI_Email
*/
public function set_mailtype($type = 'text')
{
$this->mailtype = ($type === 'html') ? 'html' : 'text';
return $this;
}
// --------------------------------------------------------------------
/**
* Set Wordwrap
*
* @param bool
* @return CI_Email
*/
public function set_wordwrap($wordwrap = TRUE)
{
$this->wordwrap = (bool) $wordwrap;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Protocol
*
* @param string
* @return CI_Email
*/
public function set_protocol($protocol = 'mail')
{
$this->protocol = in_array($protocol, $this->_protocols, TRUE) ? strtolower($protocol) : 'mail';
return $this;
}
// --------------------------------------------------------------------
/**
* Set Priority
*
* @param int
* @return CI_Email
*/
public function set_priority($n = 3)
{
$this->priority = preg_match('/^[1-5]$/', $n) ? (int) $n : 3;
return $this;
}
// --------------------------------------------------------------------
/**
* Set Newline Character
*
* @param string
* @return CI_Email
*/
public function set_newline($newline = "\n")
{
$this->newline = in_array($newline, array("\n", "\r\n", "\r")) ? $newline : "\n";
return $this;
}
// --------------------------------------------------------------------
/**
* Set CRLF
*
* @param string
* @return CI_Email
*/
public function set_crlf($crlf = "\n")
{
$this->crlf = ($crlf !== "\n" && $crlf !== "\r\n" && $crlf !== "\r") ? "\n" : $crlf;
return $this;
}
// --------------------------------------------------------------------
/**
* Get the Message ID
*
* @return string
*/
protected function _get_message_id()
{
$from = str_replace(array('>', '<'), '', $this->_headers['Return-Path']);
return '<'.uniqid('').strstr($from, '@').'>';
}
// --------------------------------------------------------------------
/**
* Get Mail Protocol
*
* @return mixed
*/
protected function _get_protocol()
{
$this->protocol = strtolower($this->protocol);
in_array($this->protocol, $this->_protocols, TRUE) OR $this->protocol = 'mail';
return $this->protocol;
}
// --------------------------------------------------------------------
/**
* Get Mail Encoding
*
* @return string
*/
protected function _get_encoding()
{
in_array($this->_encoding, $this->_bit_depths) OR $this->_encoding = '8bit';
foreach ($this->_base_charsets as $charset)
{
if (strpos($this->charset, $charset) === 0)
{
$this->_encoding = '7bit';
}
}
return $this->_encoding;
}
// --------------------------------------------------------------------
/**
* Get content type (text/html/attachment)
*
* @return string
*/
protected function _get_content_type()
{
if ($this->mailtype === 'html')
{
return empty($this->_attachments) ? 'html' : 'html-attach';
}
elseif ($this->mailtype === 'text' && ! empty($this->_attachments))
{
return 'plain-attach';
}
return 'plain';
}
// --------------------------------------------------------------------
/**
* Set RFC 822 Date
*
* @return string
*/
protected function _set_date()
{
$timezone = date('Z');
$operator = ($timezone[0] === '-') ? '-' : '+';
$timezone = abs($timezone);
$timezone = floor($timezone/3600) * 100 + ($timezone % 3600) / 60;
return sprintf('%s %s%04d', date('D, j M Y H:i:s'), $operator, $timezone);
}
// --------------------------------------------------------------------
/**
* Mime message
*
* @return string
*/
protected function _get_mime_message()
{
return 'This is a multi-part message in MIME format.'.$this->newline.'Your email application may not support this format.';
}
// --------------------------------------------------------------------
/**
* Validate Email Address
*
* @param string
* @return bool
*/
public function validate_email($email)
{
if ( ! is_array($email))
{
$this->_set_error_message('lang:email_must_be_array');
return FALSE;
}
foreach ($email as $val)
{
if ( ! $this->valid_email($val))
{
$this->_set_error_message('lang:email_invalid_address', $val);
return FALSE;
}
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Email Validation
*
* @param string
* @return bool
*/
public function valid_email($email)
{
if (function_exists('idn_to_ascii') && strpos($email, '@'))
{
list($account, $domain) = explode('@', $email, 2);
$domain = defined('INTL_IDNA_VARIANT_UTS46')
? idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46)
: idn_to_ascii($domain);
if ($domain !== FALSE)
{
$email = $account.'@'.$domain;
}
}
return (bool) filter_var($email, FILTER_VALIDATE_EMAIL);
}
// --------------------------------------------------------------------
/**
* Clean Extended Email Address: Joe Smith <joe@smith.com>
*
* @param string
* @return string
*/
public function clean_email($email)
{
if ( ! is_array($email))
{
return preg_match('/\<(.*)\>/', $email, $match) ? $match[1] : $email;
}
$clean_email = array();
foreach ($email as $addy)
{
$clean_email[] = preg_match('/\<(.*)\>/', $addy, $match) ? $match[1] : $addy;
}
return $clean_email;
}
// --------------------------------------------------------------------
/**
* Build alternative plain text message
*
* Provides the raw message for use in plain-text headers of
* HTML-formatted emails.
* If the user hasn't specified his own alternative message
* it creates one by stripping the HTML
*
* @return string
*/
protected function _get_alt_message()
{
if ( ! empty($this->alt_message))
{
return ($this->wordwrap)
? $this->word_wrap($this->alt_message, 76)
: $this->alt_message;
}
$body = preg_match('/\<body.*?\>(.*)\<\/body\>/si', $this->_body, $match) ? $match[1] : $this->_body;
$body = str_replace("\t", '', preg_replace('#<!--(.*)--\>#', '', trim(strip_tags($body))));
for ($i = 20; $i >= 3; $i--)
{
$body = str_replace(str_repeat("\n", $i), "\n\n", $body);
}
// Reduce multiple spaces
$body = preg_replace('| +|', ' ', $body);
return ($this->wordwrap)
? $this->word_wrap($body, 76)
: $body;
}
// --------------------------------------------------------------------
/**
* Word Wrap
*
* @param string
* @param int line-length limit
* @return string
*/
public function word_wrap($str, $charlim = NULL)
{
// Set the character limit, if not already present
if (empty($charlim))
{
$charlim = empty($this->wrapchars) ? 76 : $this->wrapchars;
}
// Standardize newlines
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
// Reduce multiple spaces at end of line
$str = preg_replace('| +\n|', "\n", $str);
// If the current word is surrounded by {unwrap} tags we'll
// strip the entire chunk and replace it with a marker.
$unwrap = array();
if (preg_match_all('|\{unwrap\}(.+?)\{/unwrap\}|s', $str, $matches))
{
for ($i = 0, $c = count($matches[0]); $i < $c; $i++)
{
$unwrap[] = $matches[1][$i];
$str = str_replace($matches[0][$i], '{{unwrapped'.$i.'}}', $str);
}
}
// Use PHP's native function to do the initial wordwrap.
// We set the cut flag to FALSE so that any individual words that are
// too long get left alone. In the next step we'll deal with them.
$str = wordwrap($str, $charlim, "\n", FALSE);
// Split the string into individual lines of text and cycle through them
$output = '';
foreach (explode("\n", $str) as $line)
{
// Is the line within the allowed character count?
// If so we'll join it to the output and continue
if (self::strlen($line) <= $charlim)
{
$output .= $line.$this->newline;
continue;
}
$temp = '';
do
{
// If the over-length word is a URL we won't wrap it
if (preg_match('!\[url.+\]|://|www\.!', $line))
{
break;
}
// Trim the word down
$temp .= self::substr($line, 0, $charlim - 1);
$line = self::substr($line, $charlim - 1);
}
while (self::strlen($line) > $charlim);
// If $temp contains data it means we had to split up an over-length
// word into smaller chunks so we'll add it back to our current line
if ($temp !== '')
{
$output .= $temp.$this->newline;
}
$output .= $line.$this->newline;
}
// Put our markers back
if (count($unwrap) > 0)
{
foreach ($unwrap as $key => $val)
{
$output = str_replace('{{unwrapped'.$key.'}}', $val, $output);
}
}
return $output;
}
// --------------------------------------------------------------------
/**
* Build final headers
*
* @return void
*/
protected function _build_headers()
{
$this->set_header('User-Agent', $this->useragent);
$this->set_header('X-Sender', $this->clean_email($this->_headers['From']));
$this->set_header('X-Mailer', $this->useragent);
$this->set_header('X-Priority', $this->_priorities[$this->priority]);
$this->set_header('Message-ID', $this->_get_message_id());
$this->set_header('Mime-Version', '1.0');
}
// --------------------------------------------------------------------
/**
* Write Headers as a string
*
* @return void
*/
protected function _write_headers()
{
if ($this->protocol === 'mail')
{
if (isset($this->_headers['Subject']))
{
$this->_subject = $this->_headers['Subject'];
unset($this->_headers['Subject']);
}
}
reset($this->_headers);
$this->_header_str = '';
foreach ($this->_headers as $key => $val)
{
$val = trim($val);
if ($val !== '')
{
$this->_header_str .= $key.': '.$val.$this->newline;
}
}
if ($this->_get_protocol() === 'mail')
{
$this->_header_str = rtrim($this->_header_str);
}
}
// --------------------------------------------------------------------
/**
* Build Final Body and attachments
*
* @return bool
*/
protected function _build_message()
{
if ($this->wordwrap === TRUE && $this->mailtype !== 'html')
{
$this->_body = $this->word_wrap($this->_body);
}
$this->_write_headers();
$hdr = ($this->_get_protocol() === 'mail') ? $this->newline : '';
$body = '';
switch ($this->_get_content_type())
{
case 'plain':
$hdr .= 'Content-Type: text/plain; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: '.$this->_get_encoding();
if ($this->_get_protocol() === 'mail')
{
$this->_header_str .= $hdr;
$this->_finalbody = $this->_body;
}
else
{
$this->_finalbody = $hdr.$this->newline.$this->newline.$this->_body;
}
return;
case 'html':
if ($this->send_multipart === FALSE)
{
$hdr .= 'Content-Type: text/html; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: quoted-printable';
}
else
{
$boundary = uniqid('B_ALT_');
$hdr .= 'Content-Type: multipart/alternative; boundary="'.$boundary.'"';
$body .= $this->_get_mime_message().$this->newline.$this->newline
.'--'.$boundary.$this->newline
.'Content-Type: text/plain; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: '.$this->_get_encoding().$this->newline.$this->newline
.$this->_get_alt_message().$this->newline.$this->newline
.'--'.$boundary.$this->newline
.'Content-Type: text/html; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: quoted-printable'.$this->newline.$this->newline;
}
$this->_finalbody = $body.$this->_prep_quoted_printable($this->_body).$this->newline.$this->newline;
if ($this->_get_protocol() === 'mail')
{
$this->_header_str .= $hdr;
}
else
{
$this->_finalbody = $hdr.$this->newline.$this->newline.$this->_finalbody;
}
if ($this->send_multipart !== FALSE)
{
$this->_finalbody .= '--'.$boundary.'--';
}
return;
case 'plain-attach':
$boundary = uniqid('B_ATC_');
$hdr .= 'Content-Type: multipart/mixed; boundary="'.$boundary.'"';
if ($this->_get_protocol() === 'mail')
{
$this->_header_str .= $hdr;
}
$body .= $this->_get_mime_message().$this->newline
.$this->newline
.'--'.$boundary.$this->newline
.'Content-Type: text/plain; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: '.$this->_get_encoding().$this->newline
.$this->newline
.$this->_body.$this->newline.$this->newline;
$this->_append_attachments($body, $boundary);
break;
case 'html-attach':
$alt_boundary = uniqid('B_ALT_');
$last_boundary = NULL;
if ($this->_attachments_have_multipart('mixed'))
{
$atc_boundary = uniqid('B_ATC_');
$hdr .= 'Content-Type: multipart/mixed; boundary="'.$atc_boundary.'"';
$last_boundary = $atc_boundary;
}
if ($this->_attachments_have_multipart('related'))
{
$rel_boundary = uniqid('B_REL_');
$rel_boundary_header = 'Content-Type: multipart/related; boundary="'.$rel_boundary.'"';
if (isset($last_boundary))
{
$body .= '--'.$last_boundary.$this->newline.$rel_boundary_header;
}
else
{
$hdr .= $rel_boundary_header;
}
$last_boundary = $rel_boundary;
}
if ($this->_get_protocol() === 'mail')
{
$this->_header_str .= $hdr;
}
self::strlen($body) && $body .= $this->newline.$this->newline;
$body .= $this->_get_mime_message().$this->newline.$this->newline
.'--'.$last_boundary.$this->newline
.'Content-Type: multipart/alternative; boundary="'.$alt_boundary.'"'.$this->newline.$this->newline
.'--'.$alt_boundary.$this->newline
.'Content-Type: text/plain; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: '.$this->_get_encoding().$this->newline.$this->newline
.$this->_get_alt_message().$this->newline.$this->newline
.'--'.$alt_boundary.$this->newline
.'Content-Type: text/html; charset='.$this->charset.$this->newline
.'Content-Transfer-Encoding: quoted-printable'.$this->newline.$this->newline
.$this->_prep_quoted_printable($this->_body).$this->newline.$this->newline
.'--'.$alt_boundary.'--'.$this->newline.$this->newline;
if ( ! empty($rel_boundary))
{
$body .= $this->newline.$this->newline;
$this->_append_attachments($body, $rel_boundary, 'related');
}
// multipart/mixed attachments
if ( ! empty($atc_boundary))
{
$body .= $this->newline.$this->newline;
$this->_append_attachments($body, $atc_boundary, 'mixed');
}
break;
}
$this->_finalbody = ($this->_get_protocol() === 'mail')
? $body
: $hdr.$this->newline.$this->newline.$body;
return TRUE;
}
// --------------------------------------------------------------------
protected function _attachments_have_multipart($type)
{
foreach ($this->_attachments as &$attachment)
{
if ($attachment['multipart'] === $type)
{
return TRUE;
}
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Prepares attachment string
*
* @param string $body Message body to append to
* @param string $boundary Multipart boundary
* @param string $multipart When provided, only attachments of this type will be processed
* @return string
*/
protected function _append_attachments(&$body, $boundary, $multipart = null)
{
for ($i = 0, $c = count($this->_attachments); $i < $c; $i++)
{
if (isset($multipart) && $this->_attachments[$i]['multipart'] !== $multipart)
{
continue;
}
$name = isset($this->_attachments[$i]['name'][1])
? $this->_attachments[$i]['name'][1]
: basename($this->_attachments[$i]['name'][0]);
$body .= '--'.$boundary.$this->newline
.'Content-Type: '.$this->_attachments[$i]['type'].'; name="'.$name.'"'.$this->newline
.'Content-Disposition: '.$this->_attachments[$i]['disposition'].';'.$this->newline
.'Content-Transfer-Encoding: base64'.$this->newline
.(empty($this->_attachments[$i]['cid']) ? '' : 'Content-ID: <'.$this->_attachments[$i]['cid'].'>'.$this->newline)
.$this->newline
.$this->_attachments[$i]['content'].$this->newline;
}
// $name won't be set if no attachments were appended,
// and therefore a boundary wouldn't be necessary
empty($name) OR $body .= '--'.$boundary.'--';
}
// --------------------------------------------------------------------
/**
* Prep Quoted Printable
*
* Prepares string for Quoted-Printable Content-Transfer-Encoding
* Refer to RFC 2045 http://www.ietf.org/rfc/rfc2045.txt
*
* @param string
* @return string
*/
protected function _prep_quoted_printable($str)
{
// 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
static $ascii_safe_chars = array(
// ' ( ) + , - . / : = ?
39, 40, 41, 43, 44, 45, 46, 47, 58, 61, 63,
// numbers
48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
// upper-case letters
65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
// lower-case letters
97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122
);
// We are intentionally wrapping so mail servers will encode characters
// properly and MUAs will behave, so {unwrap} must go!
$str = str_replace(array('{unwrap}', '{/unwrap}'), '', $str);
// RFC 2045 specifies CRLF as "\r\n".
// However, many developers choose to override that and violate
// the RFC rules due to (apparently) a bug in MS Exchange,
// which only works with "\n".
if ($this->crlf === "\r\n")
{
return quoted_printable_encode($str);
}
// Reduce multiple spaces & remove nulls
$str = preg_replace(array('| +|', '/\x00+/'), array(' ', ''), $str);
// Standardize newlines
if (strpos($str, "\r") !== FALSE)
{
$str = str_replace(array("\r\n", "\r"), "\n", $str);
}
$escape = '=';
$output = '';
foreach (explode("\n", $str) as $line)
{
$length = self::strlen($line);
$temp = '';
// Loop through each character in the line to add soft-wrap
// characters at the end of a line " =\r\n" and add the newly
// processed line(s) to the output (see comment on $crlf class property)
for ($i = 0; $i < $length; $i++)
{
// Grab the next character
$char = $line[$i];
$ascii = ord($char);
// Convert spaces and tabs but only if it's the end of the line
if ($ascii === 32 OR $ascii === 9)
{
if ($i === ($length - 1))
{
$char = $escape.sprintf('%02s', dechex($ascii));
}
}
// DO NOT move this below the $ascii_safe_chars line!
//
// = (equals) signs are allowed by RFC2049, but must be encoded
// as they are the encoding delimiter!
elseif ($ascii === 61)
{
$char = $escape.strtoupper(sprintf('%02s', dechex($ascii))); // =3D
}
elseif ( ! in_array($ascii, $ascii_safe_chars, TRUE))
{
$char = $escape.strtoupper(sprintf('%02s', dechex($ascii)));
}
// If we're at the character limit, add the line to the output,
// reset our temp variable, and keep on chuggin'
if ((self::strlen($temp) + self::strlen($char)) >= 76)
{
$output .= $temp.$escape.$this->crlf;
$temp = '';
}
// Add the character to our temporary line
$temp .= $char;
}
// Add our completed line to the output
$output .= $temp.$this->crlf;
}
// get rid of extra CRLF tacked onto the end
return self::substr($output, 0, self::strlen($this->crlf) * -1);
}
// --------------------------------------------------------------------
/**
* Prep Q Encoding
*
* Performs "Q Encoding" on a string for use in email headers.
* It's related but not identical to quoted-printable, so it has its
* own method.
*
* @param string
* @return string
*/
protected function _prep_q_encoding($str)
{
$str = str_replace(array("\r", "\n"), '', $str);
if ($this->charset === 'UTF-8')
{
// Note: We used to have mb_encode_mimeheader() as the first choice
// here, but it turned out to be buggy and unreliable. DO NOT
// re-add it! -- Narf
if (ICONV_ENABLED === TRUE)
{
$output = @iconv_mime_encode('', $str,
array(
'scheme' => 'Q',
'line-length' => 76,
'input-charset' => $this->charset,
'output-charset' => $this->charset,
'line-break-chars' => $this->crlf
)
);
// There are reports that iconv_mime_encode() might fail and return FALSE
if ($output !== FALSE)
{
// iconv_mime_encode() will always put a header field name.
// We've passed it an empty one, but it still prepends our
// encoded string with ': ', so we need to strip it.
return self::substr($output, 2);
}
$chars = iconv_strlen($str, 'UTF-8');
}
elseif (MB_ENABLED === TRUE)
{
$chars = mb_strlen($str, 'UTF-8');
}
}
// We might already have this set for UTF-8
isset($chars) OR $chars = self::strlen($str);
$output = '=?'.$this->charset.'?Q?';
for ($i = 0, $length = self::strlen($output); $i < $chars; $i++)
{
$chr = ($this->charset === 'UTF-8' && ICONV_ENABLED === TRUE)
? '='.implode('=', str_split(strtoupper(bin2hex(iconv_substr($str, $i, 1, $this->charset))), 2))
: '='.strtoupper(bin2hex($str[$i]));
// RFC 2045 sets a limit of 76 characters per line.
// We'll append ?= to the end of each line though.
if ($length + ($l = self::strlen($chr)) > 74)
{
$output .= '?='.$this->crlf // EOL
.' =?'.$this->charset.'?Q?'.$chr; // New line
$length = 6 + self::strlen($this->charset) + $l; // Reset the length for the new line
}
else
{
$output .= $chr;
$length += $l;
}
}
// End the header
return $output.'?=';
}
// --------------------------------------------------------------------
/**
* Send Email
*
* @param bool $auto_clear = TRUE
* @return bool
*/
public function send($auto_clear = TRUE)
{
if ( ! isset($this->_headers['From']))
{
$this->_set_error_message('lang:email_no_from');
return FALSE;
}
if ($this->_replyto_flag === FALSE)
{
$this->reply_to($this->_headers['From']);
}
if ( ! isset($this->_recipients) && ! isset($this->_headers['To'])
&& ! isset($this->_bcc_array) && ! isset($this->_headers['Bcc'])
&& ! isset($this->_headers['Cc']))
{
$this->_set_error_message('lang:email_no_recipients');
return FALSE;
}
$this->_build_headers();
if ($this->bcc_batch_mode && count($this->_bcc_array) > $this->bcc_batch_size)
{
$result = $this->batch_bcc_send();
if ($result && $auto_clear)
{
$this->clear();
}
return $result;
}
if ($this->_build_message() === FALSE)
{
return FALSE;
}
$result = $this->_spool_email();
if ($result && $auto_clear)
{
$this->clear();
}
return $result;
}
// --------------------------------------------------------------------
/**
* Batch Bcc Send. Sends groups of BCCs in batches
*
* @return void
*/
public function batch_bcc_send()
{
$float = $this->bcc_batch_size - 1;
$set = '';
$chunk = array();
for ($i = 0, $c = count($this->_bcc_array); $i < $c; $i++)
{
if (isset($this->_bcc_array[$i]))
{
$set .= ', '.$this->_bcc_array[$i];
}
if ($i === $float)
{
$chunk[] = self::substr($set, 1);
$float += $this->bcc_batch_size;
$set = '';
}
if ($i === $c-1)
{
$chunk[] = self::substr($set, 1);
}
}
for ($i = 0, $c = count($chunk); $i < $c; $i++)
{
unset($this->_headers['Bcc']);
$bcc = $this->clean_email($this->_str_to_array($chunk[$i]));
if ($this->protocol !== 'smtp')
{
$this->set_header('Bcc', implode(', ', $bcc));
}
else
{
$this->_bcc_array = $bcc;
}
if ($this->_build_message() === FALSE)
{
return FALSE;
}
$this->_spool_email();
}
}
// --------------------------------------------------------------------
/**
* Unwrap special elements
*
* @return void
*/
protected function _unwrap_specials()
{
$this->_finalbody = preg_replace_callback('/\{unwrap\}(.*?)\{\/unwrap\}/si', array($this, '_remove_nl_callback'), $this->_finalbody);
}
// --------------------------------------------------------------------
/**
* Strip line-breaks via callback
*
* @param string $matches
* @return string
*/
protected function _remove_nl_callback($matches)
{
if (strpos($matches[1], "\r") !== FALSE OR strpos($matches[1], "\n") !== FALSE)
{
$matches[1] = str_replace(array("\r\n", "\r", "\n"), '', $matches[1]);
}
return $matches[1];
}
// --------------------------------------------------------------------
/**
* Spool mail to the mail server
*
* @return bool
*/
protected function _spool_email()
{
$this->_unwrap_specials();
$protocol = $this->_get_protocol();
$method = '_send_with_'.$protocol;
if ( ! $this->$method())
{
$this->_set_error_message('lang:email_send_failure_'.($protocol === 'mail' ? 'phpmail' : $protocol));
return FALSE;
}
$this->_set_error_message('lang:email_sent', $protocol);
return TRUE;
}
// --------------------------------------------------------------------
/**
* Validate email for shell
*
* Applies stricter, shell-safe validation to email addresses.
* Introduced to prevent RCE via sendmail's -f option.
*
* @see https://github.com/bcit-ci/CodeIgniter/issues/4963
* @see https://gist.github.com/Zenexer/40d02da5e07f151adeaeeaa11af9ab36
* @license https://creativecommons.org/publicdomain/zero/1.0/ CC0 1.0, Public Domain
*
* Credits for the base concept go to Paul Buonopane <paul@namepros.com>
*
* @param string $email
* @return bool
*/
protected function _validate_email_for_shell(&$email)
{
if (function_exists('idn_to_ascii') && strpos($email, '@'))
{
list($account, $domain) = explode('@', $email, 2);
$domain = defined('INTL_IDNA_VARIANT_UTS46')
? idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46)
: idn_to_ascii($domain);
if ($domain !== FALSE)
{
$email = $account.'@'.$domain;
}
}
return (filter_var($email, FILTER_VALIDATE_EMAIL) === $email && preg_match('#\A[a-z0-9._+-]+@[a-z0-9.-]{1,253}\z#i', $email));
}
// --------------------------------------------------------------------
/**
* Send using mail()
*
* @return bool
*/
protected function _send_with_mail()
{
if (is_array($this->_recipients))
{
$this->_recipients = implode(', ', $this->_recipients);
}
// _validate_email_for_shell() below accepts by reference,
// 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))
{
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);
}
}
// --------------------------------------------------------------------
/**
* Send using Sendmail
*
* @return bool
*/
protected function _send_with_sendmail()
{
// _validate_email_for_shell() below accepts by reference,
// so this needs to be assigned to a variable
$from = $this->clean_email($this->_headers['From']);
if ($this->_validate_email_for_shell($from))
{
$from = '-f '.$from;
}
else
{
$from = '';
}
// is popen() enabled?
if ( ! function_usable('popen') OR FALSE === ($fp = @popen($this->mailpath.' -oi '.$from.' -t', 'w')))
{
// server probably has popen disabled, so nothing we can do to get a verbose error.
return FALSE;
}
fputs($fp, $this->_header_str);
fputs($fp, $this->_finalbody);
$status = pclose($fp);
if ($status !== 0)
{
$this->_set_error_message('lang:email_exit_status', $status);
$this->_set_error_message('lang:email_no_socket');
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Send using SMTP
*
* @return bool
*/
protected function _send_with_smtp()
{
if ($this->smtp_host === '')
{
$this->_set_error_message('lang:email_no_hostname');
return FALSE;
}
if ( ! $this->_smtp_connect() OR ! $this->_smtp_authenticate())
{
return FALSE;
}
if ( ! $this->_send_command('from', $this->clean_email($this->_headers['From'])))
{
$this->_smtp_end();
return FALSE;
}
foreach ($this->_recipients as $val)
{
if ( ! $this->_send_command('to', $val))
{
$this->_smtp_end();
return FALSE;
}
}
if (count($this->_cc_array) > 0)
{
foreach ($this->_cc_array as $val)
{
if ($val !== '' && ! $this->_send_command('to', $val))
{
$this->_smtp_end();
return FALSE;
}
}
}
if (count($this->_bcc_array) > 0)
{
foreach ($this->_bcc_array as $val)
{
if ($val !== '' && ! $this->_send_command('to', $val))
{
$this->_smtp_end();
return FALSE;
}
}
}
if ( ! $this->_send_command('data'))
{
$this->_smtp_end();
return FALSE;
}
// perform dot transformation on any lines that begin with a dot
$this->_send_data($this->_header_str.preg_replace('/^\./m', '..$1', $this->_finalbody));
$this->_send_data('.');
$reply = $this->_get_smtp_data();
$this->_set_error_message($reply);
$this->_smtp_end();
if (strpos($reply, '250') !== 0)
{
$this->_set_error_message('lang:email_smtp_error', $reply);
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* SMTP End
*
* Shortcut to send RSET or QUIT depending on keep-alive
*
* @return void
*/
protected function _smtp_end()
{
($this->smtp_keepalive)
? $this->_send_command('reset')
: $this->_send_command('quit');
}
// --------------------------------------------------------------------
/**
* SMTP Connect
*
* @return string
*/
protected function _smtp_connect()
{
if (is_resource($this->_smtp_connect))
{
return TRUE;
}
$ssl = ($this->smtp_crypto === 'ssl') ? 'ssl://' : '';
$this->_smtp_connect = fsockopen($ssl.$this->smtp_host,
$this->smtp_port,
$errno,
$errstr,
$this->smtp_timeout);
if ( ! is_resource($this->_smtp_connect))
{
$this->_set_error_message('lang:email_smtp_error', $errno.' '.$errstr);
return FALSE;
}
stream_set_timeout($this->_smtp_connect, $this->smtp_timeout);
$this->_set_error_message($this->_get_smtp_data());
if ($this->smtp_crypto === 'tls')
{
$this->_send_command('hello');
$this->_send_command('starttls');
/**
* STREAM_CRYPTO_METHOD_TLS_CLIENT is quite the mess ...
*
* - On PHP <5.6 it doesn't even mean TLS, but SSL 2.0, and there's no option to use actual TLS
* - On PHP 5.6.0-5.6.6, >=7.2 it means negotiation with any of TLS 1.0, 1.1, 1.2
* - On PHP 5.6.7-7.1.* it means only TLS 1.0
*
* We want the negotiation, so we'll force it below ...
*/
$method = is_php('5.6')
? STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT
: STREAM_CRYPTO_METHOD_TLS_CLIENT;
$crypto = stream_socket_enable_crypto($this->_smtp_connect, TRUE, $method);
if ($crypto !== TRUE)
{
$this->_set_error_message('lang:email_smtp_error', $this->_get_smtp_data());
return FALSE;
}
}
return $this->_send_command('hello');
}
// --------------------------------------------------------------------
/**
* Send SMTP command
*
* @param string
* @param string
* @return bool
*/
protected function _send_command($cmd, $data = '')
{
switch ($cmd)
{
case 'hello' :
if ($this->_smtp_auth OR $this->_get_encoding() === '8bit')
{
$this->_send_data('EHLO '.$this->_get_hostname());
}
else
{
$this->_send_data('HELO '.$this->_get_hostname());
}
$resp = 250;
break;
case 'starttls' :
$this->_send_data('STARTTLS');
$resp = 220;
break;
case 'from' :
$this->_send_data('MAIL FROM:<'.$data.'>');
$resp = 250;
break;
case 'to' :
if ($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();
$this->_debug_msg[] = '<pre>'.$cmd.': '.$reply.'</pre>';
if ((int) self::substr($reply, 0, 3) !== $resp)
{
$this->_set_error_message('lang:email_smtp_error', $reply);
return FALSE;
}
if ($cmd === 'quit')
{
fclose($this->_smtp_connect);
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* SMTP Authenticate
*
* @return bool
*/
protected function _smtp_authenticate()
{
if ( ! $this->_smtp_auth)
{
return TRUE;
}
if ($this->smtp_user === '' && $this->smtp_pass === '')
{
$this->_set_error_message('lang:email_no_smtp_unpw');
return FALSE;
}
$this->_send_data('AUTH LOGIN');
$reply = $this->_get_smtp_data();
if (strpos($reply, '503') === 0) // Already authenticated
{
return TRUE;
}
elseif (strpos($reply, '334') !== 0)
{
$this->_set_error_message('lang:email_failed_smtp_login', $reply);
return FALSE;
}
$this->_send_data(base64_encode($this->smtp_user));
$reply = $this->_get_smtp_data();
if (strpos($reply, '334') !== 0)
{
$this->_set_error_message('lang:email_smtp_auth_un', $reply);
return FALSE;
}
$this->_send_data(base64_encode($this->smtp_pass));
$reply = $this->_get_smtp_data();
if (strpos($reply, '235') !== 0)
{
$this->_set_error_message('lang:email_smtp_auth_pw', $reply);
return FALSE;
}
if ($this->smtp_keepalive)
{
$this->_smtp_auth = FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Send SMTP data
*
* @param string $data
* @return bool
*/
protected function _send_data($data)
{
$data .= $this->newline;
for ($written = $timestamp = 0, $length = self::strlen($data); $written < $length; $written += $result)
{
if (($result = fwrite($this->_smtp_connect, self::substr($data, $written))) === FALSE)
{
break;
}
// See https://bugs.php.net/bug.php?id=39598 and http://php.net/manual/en/function.fwrite.php#96951
elseif ($result === 0)
{
if ($timestamp === 0)
{
$timestamp = time();
}
elseif ($timestamp < (time() - $this->smtp_timeout))
{
$result = FALSE;
break;
}
usleep(250000);
continue;
}
$timestamp = 0;
}
if ($result === FALSE)
{
$this->_set_error_message('lang:email_smtp_data_failure', $data);
return FALSE;
}
return TRUE;
}
// --------------------------------------------------------------------
/**
* Get SMTP data
*
* @return string
*/
protected function _get_smtp_data()
{
$data = '';
while ($str = fgets($this->_smtp_connect, 512))
{
$data .= $str;
if ($str[3] === ' ')
{
break;
}
}
return $data;
}
// --------------------------------------------------------------------
/**
* Get Hostname
*
* There are only two legal types of hostname - either a fully
* qualified domain name (eg: "mail.example.com") or an IP literal
* (eg: "[1.2.3.4]").
*
* @link https://tools.ietf.org/html/rfc5321#section-2.3.5
* @link http://cbl.abuseat.org/namingproblems.html
* @return string
*/
protected function _get_hostname()
{
if (isset($_SERVER['SERVER_NAME']))
{
return $_SERVER['SERVER_NAME'];
}
return isset($_SERVER['SERVER_ADDR']) ? '['.$_SERVER['SERVER_ADDR'].']' : '[127.0.0.1]';
}
// --------------------------------------------------------------------
/**
* Get Debug Message
*
* @param array $include List of raw data chunks to include in the output
* Valid options are: 'headers', 'subject', 'body'
* @return string
*/
public function print_debugger($include = array('headers', 'subject', 'body'))
{
$msg = '';
if (count($this->_debug_msg) > 0)
{
foreach ($this->_debug_msg as $val)
{
$msg .= $val;
}
}
// 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);
}
return $msg.($raw_data === '' ? '' : '<pre>'.$raw_data.'</pre>');
}
// --------------------------------------------------------------------
/**
* Set Message
*
* @param string $msg
* @param string $val = ''
* @return void
*/
protected function _set_error_message($msg, $val = '')
{
$CI =& get_instance();
$CI->lang->load('email');
if (sscanf($msg, 'lang:%s', $line) !== 1 OR FALSE === ($line = $CI->lang->line($line)))
{
$this->_debug_msg[] = str_replace('%s', $val, $msg).'<br />';
}
else
{
$this->_debug_msg[] = str_replace('%s', $val, $line).'<br />';
}
}
// --------------------------------------------------------------------
/**
* Mime Types
*
* @param string
* @return string
*/
protected function _mime_types($ext = '')
{
$ext = strtolower($ext);
$mimes =& get_mimes();
if (isset($mimes[$ext]))
{
return is_array($mimes[$ext])
? current($mimes[$ext])
: $mimes[$ext];
}
return 'application/x-unknown-content-type';
}
// --------------------------------------------------------------------
/**
* Destructor
*
* @return void
*/
public function __destruct()
{
is_resource($this->_smtp_connect) && $this->_send_command('quit');
}
// --------------------------------------------------------------------
/**
* Byte-safe strlen()
*
* @param string $str
* @return int
*/
protected static function strlen($str)
{
return (self::$func_overload)
? mb_strlen($str, '8bit')
: strlen($str);
}
// --------------------------------------------------------------------
/**
* Byte-safe substr()
*
* @param string $str
* @param int $start
* @param int $length
* @return string
*/
protected static function substr($str, $start, $length = NULL)
{
if (self::$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, $length, '8bit');
}
return isset($length)
? substr($str, $start, $length)
: substr($str, $start);
}
}