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Direktori : /home/bitrix/www/bitrix/modules/wiki/classes/general/ |
Current File : /home/bitrix/www/bitrix/modules/wiki/classes/general/wiki_security.php |
<? IncludeModuleLangFile(__FILE__); class CWikiSecurity { var $_filters = false; function __construct($char = false) { if($char === false) $char = " "; $_M='(?:[\x09\x0a\x0d\\\\]*)'; $_M3='(?:[\x09\x0a\x0d\\\\\s]*)'; $_M2='(?:(?:[\x09\x0a\x0d\\\\\s]|(?:\/\*.*?\*\/))*)'; $_Jj ="(?:j|(?:\\\\0*[64]a))"; $_Ja ="(?:a|(?:\\\\0*[64]1))"; $_Jb ="(?:b|(?:\\\\0*[64]2))"; $_Jv ="(?:v|(?:\\\\0*[75]6))"; $_Js ="(?:s|(?:\\\\0*[75]3))"; $_Jc ="(?:c|(?:\\\\0*[64]3))"; $_Jr ="(?:r|(?:\\\\0*[75]2))"; $_Ji ="(?:i|(?:\\\\0*[64]9))"; $_Jp ="(?:p|(?:\\\\0*[75]0))"; $_Jt ="(?:t|(?:\\\\0*[75]4))"; $_Je ="(?:e|(?:\\\\0*[64]5))"; $_Jx ="(?:x|(?:\\\\0*[75]8))"; $_Jo ="(?:o|(?:\\\\0*[64]f))"; $_Jn ="(?:n|(?:\\\\0*[64]e))"; $_Jm ="(?:m|(?:\\\\0*[64]d))"; $_Jh ="(?:h|(?:\\\\0*[64]8))"; $_Jgav ="(?:@|(?:\\\\0*40))"; $_Jdd="(?:\\:|=|(?:\\\\0*3a)|(?:\\\\0*3d))"; $_Jss="(?:\\(|(?:\\\\0*28))"; $_Jvopr="(?:\\?|(?:\\\\0*3f))"; $_Jgalka="(?:\\<|(?:\\\\0*3c))"; $_WS_OPT = "[\\x00\\x09\\x0A\\x0B\\x0C\\x0D\\s\\\\]*"; 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$strY = str_replace("\x00", "", $strY); $strY = preg_replace("/\&\#0+(;|([^\d;]))/is", "\\2", $strY); $strY = preg_replace("/\&\#x0+(;|([^\da-f;]))/is", "\\2", $strY); } $bResult = false; $str2 = ""; $strX = $str1; while($str2 <> $strX) { foreach($this->_filters as $ch => $filters) { if($ch == '' || strpos($str2, $ch) !== false) { $str2 = $strX; $strX = preg_replace($filters[1], $filters[0], $str2); $bResult = true; } } } if($str2 <> $str1) $str = $str2; else $str = $str1; return $bResult; } /* Function is used in regular expressions in order to decode characters presented as { */ function _decode_cb($in) { $ad = $in[2]; if($ad == ';') $ad=""; $num = intval($in[1]); return chr($num).$ad; } /* Function is used in regular expressions in order to decode characters presented as « */ function _decode_cb_hex($in) { $ad = $in[2]; if($ad==';') $ad=""; $num = intval(hexdec($in[1])); return chr($num).$ad; } /* Decodes string from html codes &#***; One pass! -- Decode only a-zA-Z:().=, because only theese are used in filters */ function _decode($str) { $str = preg_replace_callback("/\&\#(\d+)([^\d])/is", array("CWikiSecurity", "_decode_cb"), $str); $str = preg_replace_callback("/\&\#x([\da-f]+)([^\da-f])/is", array("CWikiSecurity", "_decode_cb_hex"), $str); return str_replace(':', ':', $str); } } ?>