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Path: /data/applications/aps.bak/drupal/7.4-4/standard/htdocs/modules/system/ [ Home ]
File: system.mail.inc
<?php

/**
 * @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;
  }
}