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CakeEmail.php
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CakeEmail.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.Network.Email
* @since CakePHP(tm) v 2.0.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
App::uses('Multibyte', 'I18n');
App::uses('AbstractTransport', 'Network/Email');
App::uses('File', 'Utility');
App::uses('String', 'Utility');
App::uses('View', 'View');
/**
* CakePHP email class.
*
* This class is used for handling Internet Message Format based
* based on the standard outlined in http://www.rfc-editor.org/rfc/rfc2822.txt
*
* @package Cake.Network.Email
*/
class CakeEmail {
/**
* Default X-Mailer
*
* @var string
*/
const EMAIL_CLIENT = 'CakePHP Email';
/**
* Line length - no should more - RFC 2822 - 2.1.1
*
* @var int
*/
const LINE_LENGTH_SHOULD = 78;
/**
* Line length - no must more - RFC 2822 - 2.1.1
*
* @var int
*/
const LINE_LENGTH_MUST = 998;
/**
* Type of message - HTML
*
* @var string
*/
const MESSAGE_HTML = 'html';
/**
* Type of message - TEXT
*
* @var string
*/
const MESSAGE_TEXT = 'text';
/**
* Holds the regex pattern for email validation
*
* @var string
*/
const EMAIL_PATTERN = '/^((?:[\p{L}0-9.!#$%&\'*+\/=?^_`{|}~-]+)*@[\p{L}0-9-.]+)$/ui';
/**
* Recipient of the email
*
* @var array
*/
protected $_to = array();
/**
* The mail which the email is sent from
*
* @var array
*/
protected $_from = array();
/**
* The sender email
*
* @var array
*/
protected $_sender = array();
/**
* The email the recipient will reply to
*
* @var array
*/
protected $_replyTo = array();
/**
* The read receipt email
*
* @var array
*/
protected $_readReceipt = array();
/**
* The mail that will be used in case of any errors like
* - Remote mailserver down
* - Remote user has exceeded his quota
* - Unknown user
*
* @var array
*/
protected $_returnPath = array();
/**
* Carbon Copy
*
* List of email's that should receive a copy of the email.
* The Recipient WILL be able to see this list
*
* @var array
*/
protected $_cc = array();
/**
* Blind Carbon Copy
*
* List of email's that should receive a copy of the email.
* The Recipient WILL NOT be able to see this list
*
* @var array
*/
protected $_bcc = array();
/**
* Message ID
*
* @var bool|string
*/
protected $_messageId = true;
/**
* Domain for messageId generation.
* Needs to be manually set for CLI mailing as env('HTTP_HOST') is empty
*
* @var string
*/
protected $_domain = null;
/**
* The subject of the email
*
* @var string
*/
protected $_subject = '';
/**
* Associative array of a user defined headers
* Keys will be prefixed 'X-' as per RFC2822 Section 4.7.5
*
* @var array
*/
protected $_headers = array();
/**
* Layout for the View
*
* @var string
*/
protected $_layout = 'default';
/**
* Template for the view
*
* @var string
*/
protected $_template = '';
/**
* View for render
*
* @var string
*/
protected $_viewRender = 'View';
/**
* Vars to sent to render
*
* @var array
*/
protected $_viewVars = array();
/**
* Theme for the View
*
* @var array
*/
protected $_theme = null;
/**
* Helpers to be used in the render
*
* @var array
*/
protected $_helpers = array('Html');
/**
* Text message
*
* @var string
*/
protected $_textMessage = '';
/**
* Html message
*
* @var string
*/
protected $_htmlMessage = '';
/**
* Final message to send
*
* @var array
*/
protected $_message = array();
/**
* Available formats to be sent.
*
* @var array
*/
protected $_emailFormatAvailable = array('text', 'html', 'both');
/**
* What format should the email be sent in
*
* @var string
*/
protected $_emailFormat = 'text';
/**
* What method should the email be sent
*
* @var string
*/
protected $_transportName = 'Mail';
/**
* Instance of transport class
*
* @var AbstractTransport
*/
protected $_transportClass = null;
/**
* Charset the email body is sent in
*
* @var string
*/
public $charset = 'utf-8';
/**
* Charset the email header is sent in
* If null, the $charset property will be used as default
*
* @var string
*/
public $headerCharset = null;
/**
* The application wide charset, used to encode headers and body
*
* @var string
*/
protected $_appCharset = null;
/**
* List of files that should be attached to the email.
*
* Only absolute paths
*
* @var array
*/
protected $_attachments = array();
/**
* If set, boundary to use for multipart mime messages
*
* @var string
*/
protected $_boundary = null;
/**
* Configuration to transport
*
* @var string|array
*/
protected $_config = array();
/**
* 8Bit character sets
*
* @var array
*/
protected $_charset8bit = array('UTF-8', 'SHIFT_JIS');
/**
* Define Content-Type charset name
*
* @var array
*/
protected $_contentTypeCharset = array(
'ISO-2022-JP-MS' => 'ISO-2022-JP'
);
/**
* Regex for email validation
*
* If null, filter_var() will be used. Use the emailPattern() method
* to set a custom pattern.'
*
* @var string
*/
protected $_emailPattern = self::EMAIL_PATTERN;
/**
* The class name used for email configuration.
*
* @var string
*/
protected $_configClass = 'EmailConfig';
/**
* Constructor
*
* @param array|string $config Array of configs, or string to load configs from email.php
*/
public function __construct($config = null) {
$this->_appCharset = Configure::read('App.encoding');
if ($this->_appCharset !== null) {
$this->charset = $this->_appCharset;
}
$this->_domain = preg_replace('/\:\d+$/', '', env('HTTP_HOST'));
if (empty($this->_domain)) {
$this->_domain = php_uname('n');
}
if ($config) {
$this->config($config);
}
if (empty($this->headerCharset)) {
$this->headerCharset = $this->charset;
}
}
/**
* From
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
* @throws SocketException
*/
public function from($email = null, $name = null) {
if ($email === null) {
return $this->_from;
}
return $this->_setEmailSingle('_from', $email, $name, __d('cake_dev', 'From requires only 1 email address.'));
}
/**
* Sender
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
* @throws SocketException
*/
public function sender($email = null, $name = null) {
if ($email === null) {
return $this->_sender;
}
return $this->_setEmailSingle('_sender', $email, $name, __d('cake_dev', 'Sender requires only 1 email address.'));
}
/**
* Reply-To
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
* @throws SocketException
*/
public function replyTo($email = null, $name = null) {
if ($email === null) {
return $this->_replyTo;
}
return $this->_setEmailSingle('_replyTo', $email, $name, __d('cake_dev', 'Reply-To requires only 1 email address.'));
}
/**
* Read Receipt (Disposition-Notification-To header)
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
* @throws SocketException
*/
public function readReceipt($email = null, $name = null) {
if ($email === null) {
return $this->_readReceipt;
}
return $this->_setEmailSingle('_readReceipt', $email, $name, __d('cake_dev', 'Disposition-Notification-To requires only 1 email address.'));
}
/**
* Return Path
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
* @throws SocketException
*/
public function returnPath($email = null, $name = null) {
if ($email === null) {
return $this->_returnPath;
}
return $this->_setEmailSingle('_returnPath', $email, $name, __d('cake_dev', 'Return-Path requires only 1 email address.'));
}
/**
* To
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
*/
public function to($email = null, $name = null) {
if ($email === null) {
return $this->_to;
}
return $this->_setEmail('_to', $email, $name);
}
/**
* Add To
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return $this
*/
public function addTo($email, $name = null) {
return $this->_addEmail('_to', $email, $name);
}
/**
* Cc
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
*/
public function cc($email = null, $name = null) {
if ($email === null) {
return $this->_cc;
}
return $this->_setEmail('_cc', $email, $name);
}
/**
* Add Cc
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return $this
*/
public function addCc($email, $name = null) {
return $this->_addEmail('_cc', $email, $name);
}
/**
* Bcc
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return array|CakeEmail
*/
public function bcc($email = null, $name = null) {
if ($email === null) {
return $this->_bcc;
}
return $this->_setEmail('_bcc', $email, $name);
}
/**
* Add Bcc
*
* @param string|array $email Null to get, String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return $this
*/
public function addBcc($email, $name = null) {
return $this->_addEmail('_bcc', $email, $name);
}
/**
* Charset setter/getter
*
* @param string $charset Character set.
* @return string this->charset
*/
public function charset($charset = null) {
if ($charset === null) {
return $this->charset;
}
$this->charset = $charset;
if (empty($this->headerCharset)) {
$this->headerCharset = $charset;
}
return $this->charset;
}
/**
* HeaderCharset setter/getter
*
* @param string $charset Character set.
* @return string this->charset
*/
public function headerCharset($charset = null) {
if ($charset === null) {
return $this->headerCharset;
}
return $this->headerCharset = $charset;
}
/**
* EmailPattern setter/getter
*
* @param string|bool|null $regex The pattern to use for email address validation,
* null to unset the pattern and make use of filter_var() instead, false or
* nothing to return the current value
* @return string|$this
*/
public function emailPattern($regex = false) {
if ($regex === false) {
return $this->_emailPattern;
}
$this->_emailPattern = $regex;
return $this;
}
/**
* Set email
*
* @param string $varName Property name
* @param string|array $email String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return $this
*/
protected function _setEmail($varName, $email, $name) {
if (!is_array($email)) {
$this->_validateEmail($email);
if ($name === null) {
$name = $email;
}
$this->{$varName} = array($email => $name);
return $this;
}
$list = array();
foreach ($email as $key => $value) {
if (is_int($key)) {
$key = $value;
}
$this->_validateEmail($key);
$list[$key] = $value;
}
$this->{$varName} = $list;
return $this;
}
/**
* Validate email address
*
* @param string $email Email
* @return void
* @throws SocketException If email address does not validate
*/
protected function _validateEmail($email) {
if ($this->_emailPattern === null) {
if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
return;
}
} elseif (preg_match($this->_emailPattern, $email)) {
return;
}
throw new SocketException(__d('cake_dev', 'Invalid email: "%s"', $email));
}
/**
* Set only 1 email
*
* @param string $varName Property name
* @param string|array $email String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @param string $throwMessage Exception message
* @return $this
* @throws SocketException
*/
protected function _setEmailSingle($varName, $email, $name, $throwMessage) {
$current = $this->{$varName};
$this->_setEmail($varName, $email, $name);
if (count($this->{$varName}) !== 1) {
$this->{$varName} = $current;
throw new SocketException($throwMessage);
}
return $this;
}
/**
* Add email
*
* @param string $varName Property name
* @param string|array $email String with email,
* Array with email as key, name as value or email as value (without name)
* @param string $name Name
* @return $this
* @throws SocketException
*/
protected function _addEmail($varName, $email, $name) {
if (!is_array($email)) {
$this->_validateEmail($email);
if ($name === null) {
$name = $email;
}
$this->{$varName}[$email] = $name;
return $this;
}
$list = array();
foreach ($email as $key => $value) {
if (is_int($key)) {
$key = $value;
}
$this->_validateEmail($key);
$list[$key] = $value;
}
$this->{$varName} = array_merge($this->{$varName}, $list);
return $this;
}
/**
* Get/Set Subject.
*
* @param string $subject Subject string.
* @return string|$this
*/
public function subject($subject = null) {
if ($subject === null) {
return $this->_subject;
}
$this->_subject = $this->_encode((string)$subject);
return $this;
}
/**
* Sets headers for the message
*
* @param array $headers Associative array containing headers to be set.
* @return $this
* @throws SocketException
*/
public function setHeaders($headers) {
if (!is_array($headers)) {
throw new SocketException(__d('cake_dev', '$headers should be an array.'));
}
$this->_headers = $headers;
return $this;
}
/**
* Add header for the message
*
* @param array $headers Headers to set.
* @return $this
* @throws SocketException
*/
public function addHeaders($headers) {
if (!is_array($headers)) {
throw new SocketException(__d('cake_dev', '$headers should be an array.'));
}
$this->_headers = array_merge($this->_headers, $headers);
return $this;
}
/**
* Get list of headers
*
* ### Includes:
*
* - `from`
* - `replyTo`
* - `readReceipt`
* - `returnPath`
* - `to`
* - `cc`
* - `bcc`
* - `subject`
*
* @param array $include List of headers.
* @return array
*/
public function getHeaders($include = array()) {
if ($include == array_values($include)) {
$include = array_fill_keys($include, true);
}
$defaults = array_fill_keys(
array(
'from', 'sender', 'replyTo', 'readReceipt', 'returnPath',
'to', 'cc', 'bcc', 'subject'),
false
);
$include += $defaults;
$headers = array();
$relation = array(
'from' => 'From',
'replyTo' => 'Reply-To',
'readReceipt' => 'Disposition-Notification-To',
'returnPath' => 'Return-Path'
);
foreach ($relation as $var => $header) {
if ($include[$var]) {
$var = '_' . $var;
$headers[$header] = current($this->_formatAddress($this->{$var}));
}
}
if ($include['sender']) {
if (key($this->_sender) === key($this->_from)) {
$headers['Sender'] = '';
} else {
$headers['Sender'] = current($this->_formatAddress($this->_sender));
}
}
foreach (array('to', 'cc', 'bcc') as $var) {
if ($include[$var]) {
$classVar = '_' . $var;
$headers[ucfirst($var)] = implode(', ', $this->_formatAddress($this->{$classVar}));
}
}
$headers += $this->_headers;
if (!isset($headers['X-Mailer'])) {
$headers['X-Mailer'] = self::EMAIL_CLIENT;
}
if (!isset($headers['Date'])) {
$headers['Date'] = date(DATE_RFC2822);
}
if ($this->_messageId !== false) {
if ($this->_messageId === true) {
$headers['Message-ID'] = '<' . str_replace('-', '', String::UUID()) . '@' . $this->_domain . '>';
} else {
$headers['Message-ID'] = $this->_messageId;
}
}
if ($include['subject']) {
$headers['Subject'] = $this->_subject;
}
$headers['MIME-Version'] = '1.0';
if (!empty($this->_attachments)) {
$headers['Content-Type'] = 'multipart/mixed; boundary="' . $this->_boundary . '"';
} elseif ($this->_emailFormat === 'both') {
$headers['Content-Type'] = 'multipart/alternative; boundary="' . $this->_boundary . '"';
} elseif ($this->_emailFormat === 'text') {
$headers['Content-Type'] = 'text/plain; charset=' . $this->_getContentTypeCharset();
} elseif ($this->_emailFormat === 'html') {
$headers['Content-Type'] = 'text/html; charset=' . $this->_getContentTypeCharset();
}
$headers['Content-Transfer-Encoding'] = $this->_getContentTransferEncoding();
return $headers;
}
/**
* Format addresses
*
* If the address contains non alphanumeric/whitespace characters, it will
* be quoted as characters like `:` and `,` are known to cause issues
* in address header fields.
*
* @param array $address Addresses to format.
* @return array
*/
protected function _formatAddress($address) {
$return = array();
foreach ($address as $email => $alias) {
if ($email === $alias) {
$return[] = $email;
} else {
$encoded = $this->_encode($alias);
if ($encoded === $alias && preg_match('/[^a-z0-9 ]/i', $encoded)) {
$encoded = '"' . str_replace('"', '\"', $encoded) . '"';
}
$return[] = sprintf('%s <%s>', $encoded, $email);
}
}
return $return;
}
/**
* Template and layout
*
* @param bool|string $template Template name or null to not use
* @param bool|string $layout Layout name or null to not use
* @return array|$this
*/
public function template($template = false, $layout = false) {
if ($template === false) {
return array(
'template' => $this->_template,
'layout' => $this->_layout
);
}
$this->_template = $template;
if ($layout !== false) {
$this->_layout = $layout;
}
return $this;
}
/**
* View class for render
*
* @param string $viewClass View class name.
* @return string|$this
*/
public function viewRender($viewClass = null) {
if ($viewClass === null) {
return $this->_viewRender;
}
$this->_viewRender = $viewClass;
return $this;
}
/**
* Variables to be set on render
*
* @param array $viewVars Variables to set for view.
* @return array|$this
*/
public function viewVars($viewVars = null) {
if ($viewVars === null) {
return $this->_viewVars;
}
$this->_viewVars = array_merge($this->_viewVars, (array)$viewVars);
return $this;
}
/**
* Theme to use when rendering
*
* @param string $theme Theme name.
* @return string|$this
*/
public function theme($theme = null) {
if ($theme === null) {
return $this->_theme;
}
$this->_theme = $theme;
return $this;
}
/**
* Helpers to be used in render
*
* @param array $helpers Helpers list.
* @return array|$this
*/
public function helpers($helpers = null) {
if ($helpers === null) {
return $this->_helpers;
}
$this->_helpers = (array)$helpers;
return $this;
}
/**
* Email format
*
* @param string $format Formatting string.
* @return string|$this
* @throws SocketException
*/
public function emailFormat($format = null) {
if ($format === null) {
return $this->_emailFormat;
}
if (!in_array($format, $this->_emailFormatAvailable)) {
throw new SocketException(__d('cake_dev', 'Format not available.'));
}
$this->_emailFormat = $format;
return $this;
}
/**
* Transport name
*
* @param string $name Transport name.
* @return string|$this
*/
public function transport($name = null) {
if ($name === null) {
return $this->_transportName;
}
$this->_transportName = (string)$name;
$this->_transportClass = null;
return $this;
}
/**
* Return the transport class
*
* @return AbstractTransport
* @throws SocketException
*/
public function transportClass() {
if ($this->_transportClass) {
return $this->_transportClass;
}
list($plugin, $transportClassname) = pluginSplit($this->_transportName, true);
$transportClassname .= 'Transport';
App::uses($transportClassname, $plugin . 'Network/Email');
if (!class_exists($transportClassname)) {
throw new SocketException(__d('cake_dev', 'Class "%s" not found.', $transportClassname));
} elseif (!method_exists($transportClassname, 'send')) {
throw new SocketException(__d('cake_dev', 'The "%s" does not have a %s method.', $transportClassname, 'send()'));
}
return $this->_transportClass = new $transportClassname();
}
/**
* Message-ID
*
* @param bool|string $message True to generate a new Message-ID, False to ignore (not send in email), String to set as Message-ID
* @return bool|string|$this
* @throws SocketException
*/
public function messageId($message = null) {
if ($message === null) {
return $this->_messageId;
}
if (is_bool($message)) {
$this->_messageId = $message;
} else {
if (!preg_match('/^\<.+@.+\>$/', $message)) {
throw new SocketException(__d('cake_dev', 'Invalid format for Message-ID. The text should be something like "<uuid@server.com>"'));
}
$this->_messageId = $message;
}
return $this;
}
/**
* Domain as top level (the part after @)
*
* @param string $domain Manually set the domain for CLI mailing
* @return string|$this
*/
public function domain($domain = null) {
if ($domain === null) {
return $this->_domain;
}
$this->_domain = $domain;
return $this;
}
/**
* Add attachments to the email message
*