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<?php
// $Id$
/**
* @file
* Drupal core implementations of MailSystemInterface.
*/
/**
* The default Drupal mail backend using PHP's mail function.
*/
class DefaultMailSystem implements MailSystemInterface {
/**
* Concatenate and wrap the e-mail body for plain-text mails.
*
* @param $message
* A message array, as described in hook_mail_alter().
*
* @return
* The formatted $message.
*/
public function format(array $message) {
// Join the body array into one string.
$message['body'] = implode("\n\n", $message['body']);
// Convert any HTML to plain-text.
$message['body'] = drupal_html_to_text($message['body']);
// Wrap the mail body for sending.
$message['body'] = drupal_wrap_mail($message['body']);
return $message;
}
/**
* Send an e-mail message, using Drupal variables and default settings.
*
* @see http://php.net/manual/en/function.mail.php
* @see drupal_mail()
*
* @param $message
* A message array, as described in hook_mail_alter().
* @return
* TRUE if the mail was successfully accepted, otherwise FALSE.
*/
public function mail(array $message) {
// If 'Return-Path' isn't already set in php.ini, we pass it separately
// as an additional parameter instead of in the header.
// However, if PHP's 'safe_mode' is on, this is not allowed.
if (isset($message['headers']['Return-Path']) && !ini_get('safe_mode')) {
$return_path_set = strpos(ini_get('sendmail_path'), ' -f');
if (!$return_path_set) {
$message['Return-Path'] = $message['headers']['Return-Path'];
unset($message['headers']['Return-Path']);
}
}
$mimeheaders = array();
foreach ($message['headers'] as $name => $value) {
$mimeheaders[] = $name . ': ' . mime_header_encode($value);
}
$line_endings = variable_get('mail_line_endings', MAIL_LINE_ENDINGS);
// Prepare mail commands.
$mail_subject = mime_header_encode($message['subject']);
// Note: e-mail uses CRLF for line-endings. PHP's API requires LF
// on Unix and CRLF on Windows. Drupal automatically guesses the
// line-ending format appropriate for your system. If you need to
// override this, adjust $conf['mail_line_endings'] in settings.php.
$mail_body = preg_replace('@\r?\n@', $line_endings, $message['body']);
// For headers, PHP's API suggests that we use CRLF normally,
// but some MTAs incorrectly replace LF with CRLF. See #234403.
$mail_headers = join("\n", $mimeheaders);
if (isset($message['Return-Path']) && !ini_get('safe_mode')) {
$mail_result = mail(
$message['to'],
$mail_subject,
$mail_body,
$mail_headers,
// Pass the Return-Path via sendmail's -f command.
'-f ' . $message['Return-Path']
);
}
else {
// The optional $additional_parameters argument to mail() is not allowed
// if safe_mode is enabled. Passing any value throws a PHP warning and
// makes mail() return FALSE.
$mail_result = mail(
$message['to'],
$mail_subject,
$mail_body,
$mail_headers
);
}
return $mail_result;
}
}
/**
* A mail sending implementation that captures sent messages to a variable.
*
* This class is for running tests or for development.
*/
class TestingMailSystem extends DefaultMailSystem implements MailSystemInterface {
/**
* Accept an e-mail message and store it in a variable.
*
* @param $message
* An e-mail message.
*/
public function mail(array $message) {
$captured_emails = variable_get('drupal_test_email_collector', array());
$captured_emails[] = $message;
variable_set('drupal_test_email_collector', $captured_emails);
return TRUE;
}
}
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