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optimized webchat nick translation; fixes #209

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following
2013-06-04 16:29:35 +02:00
parent 1a0fc17f61
commit f1be4fd4b9
1 changed files with 77 additions and 78 deletions
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155
htdocs/webchat.php
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@ -4,7 +4,7 @@
*
* Unicode Reminder メモ
*
* Displays the Chat/IRC using iframe of freenode.net escaping usernames
* Displays the Chat/IRC using iframe of freenode.net, escaping usernames
***************************************************************************/
require('./lib2/web.inc.php');
@ -17,16 +17,6 @@
$tpl->cache_id = $sUserCountry;
// check loggedin and set username for chat
/*
* OC allows alphanumeric chars in username and:
* ". - _ @ ä ü ö Ä Ü Ö = ) ( / \ & * + ~ #"
*
* IRC allows alphanumeric chars in nick and:
* "_ - \ [ ] { } ^ ` |"
*
* so we have to convert the folloing chars before urlencoding it:
* ". @ ä ü ö Ä Ü Ö = ) ( / & * + ~ #"
*/
$chatusername = $translate->t('Guest', '', basename(__FILE__), __LINE__) . rand(100,999);
if ($login->userid != 0)
$chatusername = urlEncodeString(ircConvertString($login->username));
@ -40,88 +30,96 @@
$tpl->assign('chatiframeheight',$opt['chat']['height']);
$tpl->display();
/*
* OC allows alphanumeric chars in username and
* . - _ @ ä ü ö Ä Ü Ö = ) ( / \ & * + ~ #
*
* IRC allows alphanumeric chars in nick and:
* _ - \ [ ] { } ^ ` |
*
* so we have to convert the following chars before urlencoding it:
* . @ ä ü ö Ä Ü Ö = ) ( / & * + ~ #
*/
/*
* functions
*/
function urlEncodeString($string)
{
// set arrays with chars/encodings allowed in username see const REGEX_USERNAME
// ". - _ @ ä ü ö Ä Ü Ö = ) ( / \ & * + ~ #" (ajust if regex is changed)
$k[] = '.'; $v[] = '%2E';
$k[] = '-'; $v[] = '%2D';
$k[] = '_'; $v[] = '%5F';
$k[] = '@'; $v[] = '%40';
$k[] = 'ä'; $v[] = '%E4';
$k[] = 'ü'; $v[] = '%FC';
$k[] = 'ö'; $v[] = '%F5';
$k[] = 'Ä'; $v[] = '%C4';
$k[] = 'Ü'; $v[] = '%DC';
$k[] = 'Ö'; $v[] = '%D6';
$k[] = '='; $v[] = '%3D';
$k[] = ')'; $v[] = '%29';
$k[] = '('; $v[] = '%28';
$k[] = '/'; $v[] = '%2F';
$k[] = '\\'; $v[] = '%5C';
$k[] = '&'; $v[] = '%26';
$k[] = '*'; $v[] = '%2A';
$k[] = '+'; $v[] = '%2B';
$k[] = '~'; $v[] = '%7E';
$k[] = '#'; $v[] = '%23';
// used in converting to IRC compatible nicks
$k[] = '}'; $v[] = '%7D';
$k[] = '{'; $v[] = '%7B';
// walk through $string and encode string
$outstring = '';
for ($i=0;$i<mb_strlen($string);$i++)
{
$char = mb_substr($string,$i,1);
// find replacement
$id = array_search($char,$k);
if ($id !== false)
$outstring .= $v[$id];
else
$outstring .= $char;
}
// return
return $outstring;
return translateString(
$string,
// chars/encodings allowed in username see const REGEX_USERNAME
// . - _ @ ä ü ö Ä Ü Ö = ) ( / \ & * + ~ #
// (ajust if regex is changed)
array(
'.' => '%2E',
'-' => '%2D',
'_' => '%5F',
'@' => '%40',
'ä' => '%E4',
'ü' => '%FC',
'ö' => '%F6',
'Ä' => '%C4',
'Ü' => '%DC',
'Ö' => '%D6',
'=' => '%3D',
')' => '%29',
'(' => '%28',
'/' => '%2F',
'\\'=> '%5C',
'&' => '%26',
'*' => '%2A',
'+' => '%2B',
'~' => '%7E',
'#' => '%23',
// used in converting to IRC compatible nicks:
'}' => '%7D',
'{' => '%7B',
));
}
function ircConvertString($string)
{
// set arrays with chars/replacement allowed OC usernames and not in IRC nickname
// ". @ ä ü ö Ä Ü Ö = ) ( / & * + ~ #"
$k[] = '.'; $v[] = '';
$k[] = '@'; $v[] = '{at}';
$k[] = 'ä'; $v[] = 'ae';
$k[] = 'ü'; $v[] = 'ue';
$k[] = 'ö'; $v[] = 'oe';
$k[] = 'Ä'; $v[] = 'Ae';
$k[] = 'Ü'; $v[] = 'Ue';
$k[] = 'Ö'; $v[] = 'Oe';
$k[] = '='; $v[] = '-';
$k[] = ')'; $v[] = '}';
$k[] = '('; $v[] = '{';
$k[] = '/'; $v[] = '\\';
$k[] = '&'; $v[] = '';
$k[] = '*'; $v[] = '';
$k[] = '+'; $v[] = '';
$k[] = '~'; $v[] = '-';
$k[] = '#'; $v[] = '';
return translateString(
$string,
// chars/replacement allowed OC usernames and not in IRC nickname
// . @ ä ü ö Ä Ü Ö = ) ( / & * + ~ #
// (adjust if additional username chars are allowed)
array(
'.' => '',
'@' => '{at}',
'ä' => 'ae',
'ü' => 'ue',
'ö' => 'oe',
'Ä' => 'Ae',
'Ü' => 'Ue',
'Ö' => 'Oe',
'=' => '-',
')' => '}',
'(' => '{',
'/' => '\\',
'&' => '',
'*' => '',
'+' => '',
'~' => '-',
'#' => '',
));
}
function translateString($string, $translation_table)
{
// walk through $string and encode string
$outstring = '';
for ($i=0;$i<mb_strlen($string);$i++)
for ($i=0; $i<mb_strlen($string); $i++)
{
$char = mb_substr($string,$i,1);
// find replacement
$id = array_search($char,$k);
if ($id !== false)
$outstring .= $v[$id];
if (isset($translation_table[$char]))
$outstring .= $translation_table[$char];
else
$outstring .= $char;
}
@ -129,4 +127,5 @@
// return
return $outstring;
}
?>