class mime_mail in Backup and Migrate 7.3

Hierarchy

• class \mime_mail

File

includes/destinations.email.inc, line 91

Functions to handle the email backup destination.

class mime_mail {
  public $parts;
  public $to;
  public $from;
  public $headers;
  public $subject;
  public $body;

  /**
   *
   */
  public function __construct() {
    $this->parts = array();
    $this->to = "";
    $this->from = "";
    $this->headers = array();
    $this->subject = "";
    $this->body = "";
  }

  /**
   *
   */
  public function add_attachment($message, $name, $ctype) {
    $this->parts[] = array(
      "message" => $message,
      "name" => $name,
      "ctype" => $ctype,
    );
  }

  /**
   *
   */
  public function build_message($part) {
    $crlf = "\r\n";

    // See RFC 2184.
    $continuation = $crlf . '  ';
    $name = $part['name'];
    $len = strlen($name);

    // RFC 5322 recommends lines of no longer than 78 chars, which in
    // this case comes down to filenames of no longer than 64 chars.
    if ($len > 64) {

      // We want to preserve the time stamp and extension and such.
      $head = substr($name, 0, 28);
      $tail = substr($name, $len - 32);
      $name = $head . '___' . $tail;
    }
    $message = chunk_split(base64_encode($part["message"]), 70, $crlf);
    $disposition = $name ? "Content-Disposition: attachment; {$continuation}filename=\"{$name}\"{$crlf}" : "";
    return "Content-Type: " . $part["ctype"] . ($name ? ";{$continuation}name=\"{$name}\"" : "") . "{$crlf}Content-Transfer-Encoding: base64{$crlf}{$disposition}{$crlf}{$message}";
  }

  /**
   *
   */
  public function build_multipart($boundary) {
    $multipart = "This is a MIME encoded message.\r\n\r\n--{$boundary}";
    for ($i = count($this->parts) - 1; $i >= 0; $i--) {
      $multipart .= "\r\n" . $this
        ->build_message($this->parts[$i]) . "--{$boundary}";
    }
    return $multipart . "--\r\n";
  }

  /**
   *
   */
  public function send() {
    $headers = array();
    if (!empty($this->body)) {
      $this
        ->add_attachment($this->body, "", "text/plain");
    }
    $headers['MIME-Version'] = "1.0";
    $boundary = "b" . md5(uniqid(time()));
    $headers['Content-Type'] = "multipart/mixed; boundary=\"{$boundary}\"";
    $message = $this
      ->build_multipart($boundary);
    $params = array();
    $params['body'] = $message;
    $params['headers'] = $headers;
    $params['subject'] = $this->subject;
    drupal_mail('backup_migrate', 'destination_mail', trim($this->to), '', $params, $this->from);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
mime_mail::$body	public	property
mime_mail::$from	public	property
mime_mail::$headers	public	property
mime_mail::$parts	public	property
mime_mail::$subject	public	property
mime_mail::$to	public	property
mime_mail::add_attachment	public	function
mime_mail::build_message	public	function
mime_mail::build_multipart	public	function
mime_mail::send	public	function
mime_mail::__construct	public	function