Re: [RCD] Can i omit non-unicode characters to avoid the error: Server Error! (OK) ?

[A.L.E.C]

Tiago Gomes wrote:
> Can i omit non-unicode characters to avoid the error: Server Error! (OK).
> The sent-mail folder from another webmail are with non-unicode characters.
> How can omit these characters?

Supplement: this happens in IE8 when rcmail_js_message_list() returns data with
non-unicode characters.

I got function to remove those characters. It fixes the issue, but I'm not sure
if this is one and only solution.

function rc_utf8_clean($str)
{
         // iconv is 10x faster
         if (function_exists('iconv'))
                 return iconv('UTF8', 'UTF8//IGNORE', $str);

         $regexp = '/^('.
//              '[\x00-\x7F]'.                                  // UTF8-1
                 '|[\xC2-\xDF][\x80-\xBF]'.                      // UTF8-2
                 '|\xE0[\xA0-\xBF][\x80-\xBF]'.                  // UTF8-3
                 '|[\xE1-\xEC][\x80-\xBF][\x80-\xBF]'.           // UTF8-3
                 '|\xED[\x80-\x9F][\x80-\xBF]'.                  // UTF8-3
                 '|[\xEE-\xEF][\x80-\xBF][\x80-\xBF]'.           // UTF8-3
                 '|\xF0[\x90-\xBF][\x80-\xBF][\x80-\xBF]'.       // UTF8-4
                 '|[\xF1-\xF3][\x80-\xBF][\x80-\xBF][\x80-\xBF]'.// UTF8-4
                 '|\xF4[\x80-\x8F][\x80-\xBF][\x80-\xBF]'.       // UTF8-4
                 ')$/';
         $seq = '';
         $out = '';

         for ($i = 0, $len = strlen($str)-1; $i < $len; $i++) {
             $chr = $str[$i];
             $ord = ord($chr);
             // 1-byte character
             if ($ord <= 0x7F) {
                 if ($seq)
                     $out .= preg_match($regexp, $seq) ? $seq : '';
                 $seq = '';
                 $out .= $chr;
             // first (or second) byte of multibyte sequence
             } else if ($ord >= 0xC0) {
                 if (strlen($seq)>1) {
                         $out .= preg_match($regexp, $seq) ? $seq : '';
                         $seq = '';
                 } else if ($seq && ord($seq) < 0xC0) {
                         $seq = '';
                 }
                 $seq .= $chr;
             // next byte of multibyte sequence
             } else if ($seq) {
                 $seq .= $chr;
             }
         }

         if ($seq)
                 $out .= preg_match($regexp, $seq) ? $seq : '';

         return $out;
}

-- 
Aleksander 'A.L.E.C' Machniak http://alec.pl gg:2275252
LAN Management System Developer http://lms.org.pl
Roundcube Webmail Project Developer http://roundcube.net
_______________________________________________
List info: http://lists.roundcube.net/dev/