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<?

/*
 *  Class mime_mail
 *  Original implementation by Sascha Schumann <sascha@schumann.cx>
 *  Modified by Tobias Ratschiller <tobias@dnet.it>:
 *      - General code clean-up
 *      - separate body- and from-property
 *      - killed some mostly un-necessary stuff
 */

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

  /*
  *     void mime_mail()
  *     class constructor
  */
 function mime_mail()
  {
  $this->parts = array();
  $this->to =  "";
  $this->from =  "";
  $this->subject =  "";
  $this->body =  "";
  $this->headers =  "";
  }

  /*
  *     void add_attachment(string message, [string name], [string ctype])
  *     Add an attachment to the mail object
  */
 function add_attachment($message, $name =  "", $ctype =  "application/octet-stream")
  {
  $this->parts[] = array (
                           "ctype" => $ctype,
                           "message" => $message,
                           "encode" => $encode,
                           "name" => $name
                          );
  }

/*
 *      void build_message(array part=
 *      Build message parts of an multipart mail
 */
function build_message($part)
 {
 $message = $part[ "message"];
 $message = chunk_split(base64_encode($message));
 $encoding =  "base64";
 return  "Content-Type: ".$part[ "ctype"].
                        ($part[ "name"]? "; name = \"".$part[ "name"]. "\"" :  "").
                         "\nContent-Transfer-Encoding: $encoding\n\n$message\n";
 }

/*
 *      void build_multipart()
 *      Build a multipart mail
 */
function build_multipart()
 {
 $boundary =  "b".md5(uniqid(time()));
 $multipart =  "Content-Type: multipart/mixed; boundary = $boundary\n\nThis is a MIME encoded message.\n\n--$boundary";

 for($i = sizeof($this->parts)-1; $i >= 0; $i--)
    {
    $multipart .=  "\n".$this->build_message($this->parts[$i]). "--$boundary";
    }
 return $multipart.=  "--\n";
 }

/*
 *      void send()
 *      Send the mail (last class-function to be called)
 */
function send()
 {
 $mime =  "";
 if (!empty($this->from))
    $mime .=  "From: ".$this->from. "\n";
 if (!empty($this->headers))
    $mime .= $this->headers. "\n";

 if (!empty($this->body))
    $this->add_attachment($this->body,  "",  "text/plain");
 $mime .=  "MIME-Version: 1.0\n".$this->build_multipart();
 mail($this->to, $this->subject,  "", $mime);
 }
};  // end of class

/*
 * Example usage
 *

 $attachment = fread(fopen("test.jpg", "r"), filesize("test.jpg"));

 $mail = new mime_mail();
 $mail->from = "foo@bar.com";
 $mail->headers = "Errors-To: foo@bar.com";
 $mail->to = "bar@foo.com";
 $mail->subject = "Testing...";
 $mail->body = "This is just a test.";
 $mail->add_attachment("$attachment", "test.jpg", "image/jpeg");
 $mail->send();

 */
?>