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Fix #2004 allow customizing the number of digits in an anonymous nickname variable

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Kijin Sung 2022-10-30 21:16:58 +09:00
parent bd7865caf0
commit 39093a7380
3 changed files with 26 additions and 30 deletions
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52
modules/board/board.controller.php
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@ -789,33 +789,29 @@ class boardController extends board
*/
public function createAnonymousName($format, $member_srl, $document_srl)
{
if (strpos($format, '$NUM') !== false)
{
$num = hash_hmac('sha256', $member_srl ?: \RX_CLIENT_IP, config('crypto.authentication_key'));
$num = sprintf('%08d', hexdec(substr($num, 0, 8)) % 100000000);
return strtr($format, array('$NUM' => $num));
}
elseif (strpos($format, '$DAILYNUM') !== false)
{
$num = hash_hmac('sha256', ($member_srl ?: \RX_CLIENT_IP) . ':date:' . date('Y-m-d'), config('crypto.authentication_key'));
$num = sprintf('%08d', hexdec(substr($num, 0, 8)) % 100000000);
return strtr($format, array('$DAILYNUM' => $num));
}
elseif (strpos($format, '$DOCNUM') !== false)
{
$num = hash_hmac('sha256', ($member_srl ?: \RX_CLIENT_IP) . ':document_srl:' . $document_srl, config('crypto.authentication_key'));
$num = sprintf('%08d', hexdec(substr($num, 0, 8)) % 100000000);
return strtr($format, array('$DOCNUM' => $num));
}
elseif (strpos($format, '$DOCDAILYNUM') !== false)
{
$num = hash_hmac('sha256', ($member_srl ?: \RX_CLIENT_IP) . ':document_srl:' . $document_srl . ':date:' . date('Y-m-d'), config('crypto.authentication_key'));
$num = sprintf('%08d', hexdec(substr($num, 0, 8)) % 100000000);
return strtr($format, array('$DOCDAILYNUM' => $num));
}
else
{
return $format;
}
return preg_replace_callback('/\$((?:DAILY|DOC|DOCDAILY|)NUM)(?::([0-9]))?/', function($matches) use($member_srl, $document_srl) {
$digits = empty($matches[2]) ? 8 : max(1, min(8, intval($matches[2])));
switch ($matches[1])
{
case 'NUM': return self::_createHash($member_srl ?: \RX_CLIENT_IP, $digits);
case 'DAILYNUM': return self::_createHash(($member_srl ?: \RX_CLIENT_IP) . ':date:' . date('Y-m-d'), $digits);
case 'DOCNUM': return self::_createHash(($member_srl ?: \RX_CLIENT_IP) . ':document_srl:' . $document_srl, $digits);
case 'DOCDAILYNUM': return self::_createHash(($member_srl ?: \RX_CLIENT_IP) . ':document_srl:' . $document_srl . ':date:' . date('Y-m-d'), $digits);
}
}, $format);
}
/**
* Subroutine for hashing anonymous nickname.
*
* @param string $content
* @param int $digits
* @return string
*/
protected static function _createHash(string $content, int $digits = 8): string
{
$hash = hash_hmac('sha256', $content, config('crypto.authentication_key'));
$num = sprintf('%0' . $digits . 'd', hexdec(substr($hash, 0, 8)) % pow(10, $digits));
return $num;
}
}