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<?php
# FIXME: maybe use Mailparse instead of Mail_mimeDecode
require_once('Mail/mimeDecode.php');
require_once('Mail/RFC822.php');
require_once(__DIR__ . '/Message.php');
abstract class EmailMessage implements Message {
protected $msg;
public function __construct($input) {
$this->msg = self::decode_raw_message($input);
}
public function getPostId() {
return null;
}
public function getFrom() {
return self::parse_addr($this->msg->headers['from']);
}
public function getSubject() {
return $this->msg->headers['subject'];
}
public function getMessageId() {
return $this->msg->headers['message-id'];
}
public function getInReplyTo() {
return $this->msg->headers['in-reply-to'];
}
public function getReferences() {
return $this->msg->headers['references'];
}
public function getParts() {
return $this->msg;
}
public function getFlattenedParts() {
$text = '';
$attachments = array();
self::flatten_parts($this->msg, $text, $attachments);
return array($text, $attachments);
}
protected static function decode_raw_message($input) {
$params['include_bodies'] = true;
$params['decode_bodies'] = true;
$params['decode_headers'] = true;
$params['input'] = $input;
$params['crlf'] = "\r\n";
$msg = Mail_mimeDecode::decode($params);
if (count($msg->headers) == 1 && array_key_exists(null, $msg->headers)) {
# An empty message has one null header.
throw new Exception('No message');
}
return $msg;
}
protected static function parse_addr($s) {
$addr = Mail_RFC822::parseAddressList($s);
return strtolower($addr[0]->mailbox . '@' . $addr[0]->host);
}
protected static function flatten_parts($part, &$text, &$attachments) {
switch ($part->ctype_primary) {
case 'multipart':
if (!isset($part->parts)) {
throw new Exception('multipart without parts!');
}
foreach ($part->parts as $subpart) {
flatten_parts($subpart, $text, $attachments);
}
break;
case 'text':
# text/* parts go into the message body.
if (!isset($part->body)) {
throw new Exception('text without body!');
}
$text .= $part->body;
break;
default:
# Everything else goes into phpBB as an attachment.
if (!isset($part->body)) {
throw new Exception('attachment without body!');
}
# try to find a filename
$filename = '';
if (isset($part->d_parameters)) {
if (array_key_exists('filename', $part->d_parameters)) {
$filename = $part->d_parameters['filename'];
}
else if (array_key_exists('name', $part->d_parameters)) {
$filename = $part->d_parameters['name'];
}
}
if ($filename == '') {
if (isset($part->ctype_parameters)) {
if (array_key_exists('name', $part->ctype_parameters)) {
$filename = $part->d_parameters['name'];
}
}
}
$mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
$params = array(
'filename' => $filename,
'mimetype' => $mimetype,
'data' => $part->body
);
if (array_key_exists('content-description', $part->headers)) {
$params['comment'] = $part->headers['content-description'];
}
$attachments[] = $params;
}
}
}
?>
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