<?php
/* SVN FILE: $Id$ */
/**
* Short description for file.
*
* Long description for file
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)
* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs.controller.components
* @since CakePHP(tm) v 1.2.0.3467
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* EmailComponent
*
* This component is used for handling Internet Message Format based
* based on the standard outlined in http://www.rfc-editor.org/rfc/rfc2822.txt
*
* @package cake
* @subpackage cake.cake.libs.controller.components
*
*/
App::import('Core', 'Multibyte');
class EmailComponent extends Object{
/**
* Recipient of the email
*
* @var string
* @access public
*/
var $to = null;
/**
* The mail which the email is sent from
*
* @var string
* @access public
*/
var $from = null;
/**
* The email the recipient will reply to
*
* @var string
* @access public
*/
var $replyTo = null;
/**
* The read receipt email
*
* @var string
* @access public
*/
var $readReceipt = null;
/**
* The mail that will be used in case of any errors like
* - Remote mailserver down
* - Remote user has exceeded his quota
* - Unknown user
*
* @var string
* @access public
*/
var $return = null;
/**
* 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
* @access public
*/
var $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
* @access public
*/
var $bcc = array();
/**
* The subject of the email
*
* @var string
* @access public
*/
var $subject = null;
/**
* Associative array of a user defined headers
* Keys will be prefixed 'X-' as per RFC2822 Section 4.7.5
*
* @var array
* @access public
*/
var $headers = array();
/**
* List of additional headers
*
* These will NOT be used if you are using safemode and mail()
*
* @var string
* @access public
*/
var $additionalParams = null;
/**
* Layout for the View
*
* @var string
* @access public
*/
var $layout = 'default';
/**
* Template for the view
*
* @var string
* @access public
*/
var $template = null;
/**
* as per RFC2822 Section 2.1.1
*
* @var integer
* @access public
*/
var $lineLength = 70;
/**
* @deprecated see lineLength
*/
var $_lineLength = null;
/**
* What format should the email be sent in
*
* Supported formats:
* - text
* - html
* - both
*
* @var string
* @access public
*/
var $sendAs = 'text';
/**
* What method should the email be sent by
*
* Supported methods:
* - mail
* - smtp
* - debug
*
* @var string
* @access public
*/
var $delivery = 'mail';
/**
* charset the email is sent in
*
* @var string
* @access public
*/
var $charset = 'utf-8';
/**
* List of files that should be attached to the email.
*
* Can be both absolute and relative paths
*
* @var array
* @access public
*/
var $attachments = array();
/**
* What mailer should EmailComponent identify itself as
*
* @var string
* @access public
*/
var $xMailer = 'CakePHP Email Component';
/**
* The list of paths to search if an attachment isnt absolute
*
* @var array
* @access public
*/
var $filePaths = array();
/**
* List of options to use for smtp mail method
*
* Options is:
* - port
* - host
* - timeout
* - username
* - password
*
* @var array
* @access public
*/
var $smtpOptions = array(
'port'=> 25, 'host' => 'localhost', 'timeout' => 30
);
/**
* Placeholder for any errors that might happen with the
* smtp mail methods
*
* @var string
* @access public
*/
var $smtpError = null;
/**
* If set to true, the mail method will be auto-set to 'debug'
*
* @var string
* @access protected
*/
var $_debug = false;
/**
* Temporary store of message header lines
*
* @var array
* @access private
*/
var $__header = array();
/**
* If set, boundary to use for multipart mime messages
*
* @var string
* @access private
*/
var $__boundary = null;
/**
* Temporary store of message lines
*
* @var array
* @access private
*/
var $__message = array();
/**
* Variable that holds SMTP connection
*
* @var resource
* @access private
*/
var $__smtpConnection = null;
/**
* Initialize component
*
* @param object $controller Instantiating controller
* @access public
*/
function initialize(&$controller, $settings = array()) {
$this->Controller =& $controller;
if (Configure::read('App.encoding') !== null) {
$this->charset = Configure::read('App.encoding');
}
$this->_set($settings);
}
/**
* Startup component
*
* @param object $controller Instantiating controller
* @access public
*/
function startup(&$controller) {}
/**
* Send an email using the specified content, template and layout
*
* @param mixed $content Either an array of text lines, or a string with contents
* @param string $template Template to use when sending email
* @param string $layout Layout to use to enclose email body
* @return boolean Success
* @access public
*/
function send($content = null, $template = null, $layout = null) {
$this->__createHeader();
if ($template) {
$this->template = $template;
}
if ($layout) {
$this->layout = $layout;
}
if (is_array($content)) {
$content = implode("\n", $content) . "\n";
}
$message = $this->__wrap($content);
if ($this->template === null) {
$message = $this->__formatMessage($message);
} else {
$message = $this->__renderTemplate($message);
}
$message[] = '';
$this->__message = $message;
if (!empty($this->attachments)) {
$this->__attachFiles();
}
if (!is_null($this->__boundary)) {
$this->__message[] = '';
$this->__message[] = '--' . $this->__boundary . '--';
$this->__message[] = '';
}
if ($this->_debug) {
return $this->__debug();
}
$__method = '__' . $this->delivery;
$sent = $this->$__method();
$this->__header = array();
$this->__message = array();
return $sent;
}
/**
* Reset all EmailComponent internal variables to be able to send out a new email.
*
* @access public
*/
function reset() {
$this->template = null;
$this->to = null;
$this->from = null;
$this->replyTo = null;
$this->return = null;
$this->cc = array();
$this->bcc = array();
$this->subject = null;
$this->additionalParams = null;
$this->smtpError = null;
$this->__header = array();
$this->__boundary = null;
$this->__message = array();
}
/**
* Render the contents using the current layout and template.
*
* @param string $content Content to render
* @return array Email ready to be sent
* @access private
*/
function __renderTemplate($content) {
$viewClass = $this->Controller->view;
if ($viewClass != 'View') {
if (strpos($viewClass, '.') !== false) {
list($plugin, $viewClass) = explode('.', $viewClass);
}
$viewClass = $viewClass . 'View';
App::import('View', $this->Controller->view);
}
$View = new $viewClass($this->Controller, false);
$View->layout = $this->layout;
$msg = array();
$content = implode("\n", $content);
if ($this->sendAs === 'both') {
$htmlContent = $content;
if (!empty($this->attachments)) {
$msg[] = '--' . $this->__boundary;
$msg[] = 'Content-Type: multipart/alternative; boundary="alt-' . $this->__boundary . '"';
$msg[] = '';
}
$msg[] = '--alt-' . $this->__boundary;
$msg[] = 'Content-Type: text/plain; charset=' . $this->charset;
$msg[] = 'Content-Transfer-Encoding: 7bit';
$msg[] = '';
$content = $View->element('email' . DS . 'text' . DS . $this->template, array('content' => $content), true);
$View->layoutPath = 'email' . DS . 'text';
$content = explode("\n", str_replace(array("\r\n", "\r"), "\n", $View->renderLayout($content)));
$msg = array_merge($msg, $content);
$msg[] = '';
$msg[] = '--alt-' . $this->__boundary;
$msg[] = 'Content-Type: text/html; charset=' . $this->charset;
$msg[] = 'Content-Transfer-Encoding: 7bit';
$msg[] = '';
$htmlContent = $View->element('email' . DS . 'html' . DS . $this->template, array('content' => $htmlContent), true);
$View->layoutPath = 'email' . DS . 'html';
$htmlContent = explode("\n", str_replace(array("\r\n", "\r"), "\n", $View->renderLayout($htmlContent)));
$msg = array_merge($msg, $htmlContent);
$msg[] = '';
$msg[] = '--alt-' . $this->__boundary . '--';
$msg[] = '';
return $msg;
}
if (!empty($this->attachments)) {
if ($this->sendAs === 'html') {
$msg[] = '';
$msg[] = '--' . $this->__boundary;
$msg[] = 'Content-Type: text/html; charset=' . $this->charset;
$msg[] = 'Content-Transfer-Encoding: 7bit';
$msg[] = '';
} else {
$msg[] = '--' . $this->__boundary;
$msg[] = 'Content-Type: text/plain; charset=' . $this->charset;
$msg[] = 'Content-Transfer-Encoding: 7bit';
$msg[] = '';
}
}
$content = $View->element('email' . DS . $this->sendAs . DS . $this->template, array('content' => $content), true);
$View->layoutPath = 'email' . DS . $this->sendAs;
$content = explode("\n", str_replace(array("\r\n", "\r"), "\n", $View->renderLayout($content)));
$msg = array_merge($msg, $content);
return $msg;
}
/**
* Create unique boundary identifier
*
* @access private
*/
function __createBoundary() {
$this->__boundary = md5(uniqid(time()));
}
/**
* Create emails headers including (but not limited to) from email address, reply to,
* bcc and cc.
*
* @access private
*/
function __createHeader() {
if ($this->delivery == 'smtp') {
$this->__header[] = 'To: ' . $this->__formatAddress($this->to);
}
$this->__header[] = 'From: ' . $this->__formatAddress($this->from);
if (!empty($this->replyTo)) {
$this->__header[] = 'Reply-To: ' . $this->__formatAddress($this->replyTo);
}
if (!empty($this->return)) {
$this->__header[] = 'Return-Path: ' . $this->__formatAddress($this->return);
}
if (!empty($this->readReceipt)) {
$this->__header[] = 'Disposition-Notification-To: ' . $this->__formatAddress($this->readReceipt);
}
if (!empty($this->cc)) {
$this->__header[] = 'cc: ' .implode(', ', array_map(array($this, '__formatAddress'), $this->cc));
}
if (!empty($this->bcc) && $this->delivery != 'smtp') {
$this->__header[] = 'Bcc: ' .implode(', ', array_map(array($this, '__formatAddress'), $this->bcc));
}
if ($this->delivery == 'smtp') {
$this->__header[] = 'Subject: ' . $this->__encode($this->subject);
}
$this->__header[] = 'X-Mailer: ' . $this->xMailer;
if (!empty($this->headers)) {
foreach ($this->headers as $key => $val) {
$this->__header[] = 'X-' . $key . ': ' . $val;
}
}
if (!empty($this->attachments)) {
$this->__createBoundary();
$this->__header[] = 'MIME-Version: 1.0';
$this->__header[] = 'Content-Type: multipart/mixed; boundary="' . $this->__boundary . '"';
$this->__header[] = 'This part of the E-mail should never be seen. If';
$this->__header[] = 'you are reading this, consider upgrading your e-mail';
$this->__header[] = 'client to a MIME-compatible client.';
} elseif ($this->sendAs === 'text') {
$this->__header[] = 'Content-Type: text/plain; charset=' . $this->charset;
} elseif ($this->sendAs === 'html') {
$this->__header[] = 'Content-Type: text/html; charset=' . $this->charset;
} elseif ($this->sendAs === 'both') {
$this->__header[] = 'Content-Type: multipart/alternative; boundary="alt-' . $this->__boundary . '"';
$this->__header[] = '';
}
$this->__header[] = 'Content-Transfer-Encoding: 7bit';
}
/**
* Format the message by seeing if it has attachments.
*
* @param string $message Message to format
* @access private
*/
function __formatMessage($message) {
if (!empty($this->attachments)) {
$prefix = array(
'--' . $this->__boundary,
'Content-Type: text/plain; charset=' . $this->charset,
'Content-Transfer-Encoding: 7bit',
''
);
$message = array_merge($prefix, $message);
}
return $message;
}
/**
* Attach files by adding file contents inside boundaries.
*
* @access private
* @TODO: modify to use the core File class?
*/
function __attachFiles() {
$files = array();
foreach ($this->attachments as $attachment) {
$file = $this->__findFiles($attachment);
if (!empty($file)) {
$files[] = $file;
}
}
foreach ($files as $file) {
$handle = fopen($file, 'rb');
$data = fread($handle, filesize($file));
$data = chunk_split(base64_encode($data)) ;
fclose($handle);
$this->__message[] = '--' . $this->__boundary;
$this->__message[] = 'Content-Type: application/octet-stream';
$this->__message[] = 'Content-Transfer-Encoding: base64';
$this->__message[] = 'Content-Disposition: attachment; filename="' . basename($file) . '"';
$this->__message[] = '';
$this->__message[] = $data;
$this->__message[] = '';
}
}
/**
* Find the specified attachment in the list of file paths
*
* @param string $attachment Attachment file name to find
* @return string Path to located file
* @access private
*/
function __findFiles($attachment) {
if (file_exists($attachment)) {
return $attachment;
}
foreach ($this->filePaths as $path) {
if (file_exists($path . DS . $attachment)) {
$file = $path . DS . $attachment;
return $file;
}
}
return null;
}
/**
* Wrap the message using EmailComponent::$lineLength
*
* @param string $message Message to wrap
* @return array Wrapped message
* @access private
*/
function __wrap($message) {
$message = $this->__strip($message, true);
$message = str_replace(array("\r\n","\r"), "\n", $message);
$lines = explode("\n", $message);
$formatted = array();
if ($this->_lineLength !== null) {
trigger_error('_lineLength cannot be accessed please use lineLength', E_USER_WARNING);
$this->lineLength = $this->_lineLength;
}
foreach ($lines as $line) {
if (substr($line, 0, 1) == '.') {
$line = '.' . $line;
}
$formatted = array_merge($formatted, explode("\n", wordwrap($line, $this->lineLength, "\n", true)));
}
$formatted[] = '';
return $formatted;
}
/**
* Encode the specified string using the current charset
*
* @param string $subject String to encode
* @return string Encoded string
* @access private
*/
function __encode($subject) {
$subject = $this->__strip($subject);
$nl = "\r\n";
if ($this->delivery == 'mail') {
$nl = '';
}
return mb_encode_mimeheader($subject, $this->charset, 'B', $nl);
}
/**
* Format a string as an email address
*
* @param string $string String representing an email address
* @return string Email address suitable for email headers or smtp pipe
* @access private
*/
function __formatAddress($string, $smtp = false) {
if (strpos($string, '<') !== false) {
$value = explode('<', $string);
if ($smtp) {
$string = '<' . $value[1];
} else {
$string = $this->__encode($value[0]) . ' <' . $value[1];
}
}
return $this->__strip($string);
}
/**
* Remove certain elements (such as bcc:, to:, %0a) from given value
*
* @param string $value Value to strip
* @param boolean $message Set to true to indicate main message content
* @return string Stripped value
* @access private
*/
function __strip($value, $message = false) {
$search = '%0a|%0d|Content-(?:Type|Transfer-Encoding)\:|charset\=|mime-version\:|multipart/mixed|(?:to|b?cc)\:.*';
if ($message !== true) {
$search .= '|\r|\n';
}
$search = '#(?:' . $search . ')#i';
while (preg_match($search, $value)) {
$value = preg_replace($search, '', $value);
}
return $value;
}
/**
* Wrapper for PHP mail function used for sending out emails
*
* @return bool Success
* @access private
*/
function __mail() {
$header = implode("\n", $this->__header);
$message = implode("\n", $this->__message);
if (ini_get('safe_mode')) {
return @mail($this->to, $this->__encode($this->subject), $message, $header);
}
return @mail($this->to, $this->__encode($this->subject), $message, $header, $this->additionalParams);
}
/**
* Sends out email via SMTP
*
* @return bool Success
* @access private
*/
function __smtp() {
App::import('Core', array('CakeSocket'));
$this->__smtpConnection =& new CakeSocket(array_merge(array('protocol'=>'smtp'), $this->smtpOptions));
if (!$this->__smtpConnection->connect()) {
$this->smtpError = $this->__smtpConnection->lastError();
return false;
} elseif (!$this->__smtpSend(null, '220')) {
return false;
}
if (isset($this->smtpOptions['host'])) {
$host = $this->smtpOptions['host'];
} else {
$host = env('HTTP_HOST');
}
if (!$this->__smtpSend("HELO {$host}", '250')) {
return false;
}
if (isset($this->smtpOptions['username']) && isset($this->smtpOptions['password'])) {
$authRequired = $this->__smtpSend('AUTH LOGIN', '334|503');
if ($authRequired == '334') {
if (!$this->__smtpSend(base64_encode($this->smtpOptions['username']), '334')) {
return false;
}
if (!$this->__smtpSend(base64_encode($this->smtpOptions['password']), '235')) {
return false;
}
} elseif ($authRequired != '503') {
return false;
}
}
if (!$this->__smtpSend('MAIL FROM: ' . $this->__formatAddress($this->from, true))) {
return false;
}
if (!$this->__smtpSend('RCPT TO: ' . $this->__formatAddress($this->to, true))) {
return false;
}
foreach ($this->cc as $cc) {
if (!$this->__smtpSend('RCPT TO: ' . $this->__formatAddress($cc, true))) {
return false;
}
}
foreach ($this->bcc as $bcc) {
if (!$this->__smtpSend('RCPT TO: ' . $this->__formatAddress($bcc, true))) {
return false;
}
}
if (!$this->__smtpSend('DATA', '354')) {
return false;
}
$header = implode("\r\n", $this->__header);
$message = implode("\r\n", $this->__message);
if (!$this->__smtpSend($header . "\r\n\r\n" . $message . "\r\n\r\n\r\n.")) {
return false;
}
$this->__smtpSend('QUIT', false);
$this->__smtpConnection->disconnect();
return true;
}
/**
* Private method for sending data to SMTP connection
*
* @param string $data data to be sent to SMTP server
* @param mixed $checkCode code to check for in server response, false to skip
* @return bool Success
* @access private
*/
function __smtpSend($data, $checkCode = '250') {
if (!is_null($data)) {
$this->__smtpConnection->write($data . "\r\n");
}
if ($checkCode !== false) {
$response = $this->__smtpConnection->read();
if (preg_match('/^(' . $checkCode . ')/', $response, $code)) {
return $code[0];
}
$this->smtpError = $response;
return false;
}
return true;
}
/**
* Set as controller flash message a debug message showing current settings in component
*
* @return boolean Success
* @access private
*/
function __debug() {
$nl = "\n";
$header = implode($nl, $this->__header);
$message = implode($nl, $this->__message);
$fm = '<pre>';
if ($this->delivery == 'smtp') {
$fm .= sprintf('%s %s%s', 'Host:', $this->smtpOptions['host'], $nl);
$fm .= sprintf('%s %s%s', 'Port:', $this->smtpOptions['port'], $nl);
$fm .= sprintf('%s %s%s', 'Timeout:', $this->smtpOptions['timeout'], $nl);
}
$fm .= sprintf('%s %s%s', 'To:', $this->to, $nl);
$fm .= sprintf('%s %s%s', 'From:', $this->from, $nl);
$fm .= sprintf('%s %s%s', 'Subject:', $this->__encode($this->subject), $nl);
$fm .= sprintf('%s%3$s%3$s%s', 'Header:', $header, $nl);
$fm .= sprintf('%s%3$s%3$s%s', 'Parameters:', $this->additionalParams, $nl);
$fm .= sprintf('%s%3$s%3$s%s', 'Message:', $message, $nl);
$fm .= '</pre>';
$this->Controller->Session->setFlash($fm, 'default', null, 'email');
return true;
}
}
?>