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rc_mail_mime.inc
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rc_mail_mime.inc
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<?php
/*
+-----------------------------------------------------------------------+
| program/lib/rc_mime.inc |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2007, 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 $
*/
// require Mail_mime class 1.4.0
require_once('Mail/mime.php');
class rc_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;
}
}
?>

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