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Diffstat (limited to 'program/include/rcube_mail_mime.php')
| -rw-r--r-- | program/include/rcube_mail_mime.php | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/program/include/rcube_mail_mime.php b/program/include/rcube_mail_mime.php new file mode 100644 index 000000000..866786b93 --- /dev/null +++ b/program/include/rcube_mail_mime.php @@ -0,0 +1,206 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | program/include/rcube_mail_mime.php | + | | + | This file is part of the RoundCube Webmail client | + | Copyright (C) 2007-2008, RoundCube Dev. - Switzerland | + | Licensed under the GNU GPL | + | | + | PURPOSE: | + | Extend PEAR:Mail_mime class and override encodeHeaders method | + | | + +-----------------------------------------------------------------------+ + | Author: Thomas Bruederli <roundcube@gmail.com> | + +-----------------------------------------------------------------------+ + + $Id: sendmail.inc 506 2007-03-14 00:39:51Z thomasb $ + +*/ + + +/** + * Replacement PEAR:Mail_mime with some additional or overloaded methods + * + * @package Mail + */ +class rcube_mail_mime extends Mail_mime +{ + /** + * Set build parameters + */ + function setParam($param) + { + if (is_array($param)) { + $this->_build_params = array_merge($this->_build_params, $param); + } + } + + /** + * Adds an image to the list of embedded images. + * + * @param string $file The image file name OR image data itself + * @param string $c_type The content type + * @param string $name The filename of the image. + * Only use if $file is the image data + * @param bool $isfilename Whether $file is a filename or not + * Defaults to true + * @param string $contentid Desired Content-ID of MIME part + * Defaults to generated unique ID + * @return mixed true on success or PEAR_Error object + * @access public + */ + function addHTMLImage($file, $c_type='application/octet-stream', $name = '', $isfilename = true, $contentid = '') + { + $filedata = ($isfilename === true) ? $this->_file2str($file) : $file; + if ($isfilename === true) { + $filename = ($name == '' ? $file : $name); + } + else { + $filename = $name; + } + + if (PEAR::isError($filedata)) { + return $filedata; + } + + if ($contentid == '') { + $contentid = md5(uniqid(time())); + } + + $this->_html_images[] = array( + 'body' => $filedata, + 'name' => $filename, + 'c_type' => $c_type, + 'cid' => $contentid + ); + + return true; + } + + + /** + * returns the HTML body portion of the message + * @return string HTML body of the message + * @access public + */ + function getHTMLBody() + { + return $this->_htmlbody; + } + + + /** + * Creates a new mimePart object, using multipart/mixed as + * the initial content-type and returns it during the + * build process. + * + * @return object The multipart/mixed mimePart object + * @access private + */ + function &_addMixedPart() + { + $params['content_type'] = $this->_headers['Content-Type'] ? $this->_headers['Content-Type'] : 'multipart/mixed'; + $ret = new Mail_mimePart('', $params); + return $ret; + } + + + /** + * Encodes a header as per RFC2047 + * + * @param array $input The header data to encode + * @param array $params Extra build parameters + * @return array Encoded data + * @access private + * @override + */ + function _encodeHeaders($input, $params = array()) + { + $maxlen = 73; + $params += $this->_build_params; + + foreach ($input as $hdr_name => $hdr_value) + { + // if header contains e-mail addresses + if (preg_match('/\s<.+@[a-z0-9\-\.]+\.[a-z]+>/U', $hdr_value)) { + $chunks = $this->_explode_quoted_string(',', $hdr_value); + } + else { + $chunks = array($hdr_value); + } + + $hdr_value = ''; + $line_len = 0; + + foreach ($chunks as $i => $value) { + $value = trim($value); + + //This header contains non ASCII chars and should be encoded. + if (preg_match('#[\x80-\xFF]{1}#', $value)) { + $suffix = ''; + // Don't encode e-mail address + if (preg_match('/(.+)\s(<.+@[a-z0-9\-\.]+>)$/Ui', $value, $matches)) { + $value = $matches[1]; + $suffix = ' '.$matches[2]; + } + + switch ($params['head_encoding']) { + case 'base64': + // Base64 encoding has been selected. + $mode = 'B'; + $encoded = base64_encode($value); + break; + + case 'quoted-printable': + default: + // quoted-printable encoding has been selected + $mode = 'Q'; + $encoded = preg_replace('/([\x2C\x3F\x80-\xFF])/e', "'='.sprintf('%02X', ord('\\1'))", $value); + // replace spaces with _ + $encoded = str_replace(' ', '_', $encoded); + } + + $value = '=?' . $params['head_charset'] . '?' . $mode . '?' . $encoded . '?=' . $suffix; + } + + // add chunk to output string by regarding the header maxlen + $len = strlen($value); + if ($i == 0 || $line_len + $len < $maxlen) { + $hdr_value .= ($i>0?', ':'') . $value; + $line_len += $len + ($i>0?2:0); + } + else { + $hdr_value .= ($i>0?', ':'') . "\n " . $value; + $line_len = $len; + } + } + + $input[$hdr_name] = $hdr_value; + } + + return $input; + } + + + function _explode_quoted_string($delimiter, $string) + { + $result = array(); + $strlen = strlen($string); + for ($q=$p=$i=0; $i < $strlen; $i++) { + if ($string{$i} == "\"" && $string{$i-1} != "\\") { + $q = $q ? false : true; + } + else if (!$q && $string{$i} == $delimiter) { + $result[] = substr($string, $p, $i - $p); + $p = $i + 1; + } + } + + $result[] = substr($string, $p); + return $result; + } + +} + |