move decode header functionality from FeLaMiMail to phpgwapi/translation to be available for other applications

This commit is contained in:
Klaus Leithoff 2009-04-01 15:20:32 +00:00
parent b1f0863d81
commit 1092f3213e

View File

@ -855,4 +855,49 @@ class translation
return $this->db->select($this->lang_table,'message_id',$where,__LINE__,__FILE__)->fetchSingle();
}
/**
* Return the decoded string meeting some additional requirements for mailheaders
*
* @param string $_string -> part of an mailheader
* @param string $displayCharset the charset parameter specifies the character set to represent the result by (if iconv_mime_decode is to be used)
* @return string
*/
function decodeMailHeader($_string, $displayCharset)
{
//error_log(__FILE__.','.__METHOD__.':'."called");
if(function_exists(imap_mime_header_decode)) {
$newString = '';
$string = preg_replace('/\?=\s+=\?/', '?= =?', $_string);
$elements=imap_mime_header_decode($string);
foreach((array)$elements as $element) {
if ($element->charset == 'default')
$element->charset = 'iso-8859-1';
$newString .= self::convert($element->text,$element->charset);
}
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$newString);
} elseif(function_exists(mb_decode_mimeheader)) {
$string = $_string;
if(preg_match_all('/=\?.*\?Q\?.*\?=/iU', $string, $matches)) {
foreach($matches[0] as $match) {
$fixedMatch = str_replace('_', ' ', $match);
$string = str_replace($match, $fixedMatch, $string);
}
$string = str_replace('=?ISO8859-','=?ISO-8859-',$string);
$string = str_replace('=?windows-1258','=?ISO-8859-1',$string);
}
$string = mb_decode_mimeheader($string);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
} elseif(function_exists(iconv_mime_decode)) {
// continue decoding also if an error occurs
$string = @iconv_mime_decode($_string, 2, $displayCharset);
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$string);
}
// no decoding function available
return preg_replace('/([\000-\012\015\016\020-\037\075])/','',$_string);
}
}