Change code so versions of Mail_mime before and after 1.9.0 are supported

Aleksander Machniak

2015-08-16 6564cf8a4b0b2152b07a1f96a1a1564bce9e9157

Change code so versions of Mail_mime before and after 1.9.0 are supported

Conflicts:
	program/lib/Roundcube/rcube.php

 program/lib/Roundcube/rcube.php

@@ -1671,8 +1671,7 @@
                $a_recipients[] = $headers['Bcc'];

            // remove Bcc header and get the whole head of the message as string
            $send_headers = array('Bcc' => null);
            $smtp_headers = $message->txtHeaders($send_headers, true);
            $smtp_headers = $this->message_head($message, array('Bcc'));

            if ($message->getParam('delay_file_io')) {
                // use common temp dir
@@ -1712,15 +1711,13 @@
        }
        // send mail using PHP's mail() function
        else {
            // unset some headers because they will be added by the mail() function
            $headers_enc = $headers;
            $headers_res = array('To' => null, 'Subject' => null);
            $header_str  = $message->txtHeaders($headers_res, true);
            // unset To,Subject headers because they will be added by the mail() function
            $header_str = $this->message_head($message, array('To', 'Subject'));

            // #1485779
            if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
                if (preg_match_all('/<([^@]+@[^>]+)>/', $headers_enc['To'], $m)) {
                    $headers_enc['To'] = implode(', ', $m[1]);
                if (preg_match_all('/<([^@]+@[^>]+)>/', $headers['To'], $m)) {
                    $headers['To'] = implode(', ', $m[1]);
                }
            }

@@ -1734,8 +1731,8 @@
            }
            else {
                $delim   = $this->config->header_delimiter();
                $to      = $headers_enc['To'];
                $subject = $headers_enc['Subject'];
                $to      = $headers['To'];
                $subject = $headers['Subject'];
                $header_str = rtrim($header_str);

                if ($delim != "\r\n") {
@@ -1793,6 +1790,27 @@
        return $sent;
    }

    /**
     * Return message headers as a string
     */
    protected function message_head($message, $unset = array())
    {
        // Mail_mime >= 1.9.0
        if (method_exists($message, 'isMultipart')) {
            foreach ($unset as $header) {
                $headers[$header] = null;
            }
        }
        else {
            $headers = $message->headers();
            foreach ($unset as $header) {
                unset($headers[$header]);
            }
            $message->_headers = array();
        }

        return $message->txtHeaders($headers, true);
    }
}