diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/polyfill-php56/Php56.php')
| -rw-r--r-- | srcs/phpmyadmin/vendor/symfony/polyfill-php56/Php56.php | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/polyfill-php56/Php56.php b/srcs/phpmyadmin/vendor/symfony/polyfill-php56/Php56.php new file mode 100644 index 0000000..dbbc0e1 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/polyfill-php56/Php56.php @@ -0,0 +1,138 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Polyfill\Php56; + +use Symfony\Polyfill\Util\Binary; + +/** + * @internal + */ +final class Php56 +{ + const LDAP_ESCAPE_FILTER = 1; + const LDAP_ESCAPE_DN = 2; + + public static function hash_equals($knownString, $userInput) + { + if (!\is_string($knownString)) { + trigger_error('Expected known_string to be a string, '.\gettype($knownString).' given', E_USER_WARNING); + + return false; + } + + if (!\is_string($userInput)) { + trigger_error('Expected user_input to be a string, '.\gettype($userInput).' given', E_USER_WARNING); + + return false; + } + + $knownLen = Binary::strlen($knownString); + $userLen = Binary::strlen($userInput); + + if ($knownLen !== $userLen) { + return false; + } + + $result = 0; + + for ($i = 0; $i < $knownLen; ++$i) { + $result |= \ord($knownString[$i]) ^ \ord($userInput[$i]); + } + + return 0 === $result; + } + + /** + * Stub implementation of the {@link ldap_escape()} function of the ldap + * extension. + * + * Escape strings for safe use in LDAP filters and DNs. + * + * @author Chris Wright <ldapi@daverandom.com> + * + * @param string $subject + * @param string $ignore + * @param int $flags + * + * @return string + * + * @see http://stackoverflow.com/a/8561604 + */ + public static function ldap_escape($subject, $ignore = '', $flags = 0) + { + static $charMaps = null; + + if (null === $charMaps) { + $charMaps = array( + self::LDAP_ESCAPE_FILTER => array('\\', '*', '(', ')', "\x00"), + self::LDAP_ESCAPE_DN => array('\\', ',', '=', '+', '<', '>', ';', '"', '#', "\r"), + ); + + $charMaps[0] = array(); + + for ($i = 0; $i < 256; ++$i) { + $charMaps[0][\chr($i)] = sprintf('\\%02x', $i); + } + + for ($i = 0, $l = \count($charMaps[self::LDAP_ESCAPE_FILTER]); $i < $l; ++$i) { + $chr = $charMaps[self::LDAP_ESCAPE_FILTER][$i]; + unset($charMaps[self::LDAP_ESCAPE_FILTER][$i]); + $charMaps[self::LDAP_ESCAPE_FILTER][$chr] = $charMaps[0][$chr]; + } + + for ($i = 0, $l = \count($charMaps[self::LDAP_ESCAPE_DN]); $i < $l; ++$i) { + $chr = $charMaps[self::LDAP_ESCAPE_DN][$i]; + unset($charMaps[self::LDAP_ESCAPE_DN][$i]); + $charMaps[self::LDAP_ESCAPE_DN][$chr] = $charMaps[0][$chr]; + } + } + + // Create the base char map to escape + $flags = (int) $flags; + $charMap = array(); + + if ($flags & self::LDAP_ESCAPE_FILTER) { + $charMap += $charMaps[self::LDAP_ESCAPE_FILTER]; + } + + if ($flags & self::LDAP_ESCAPE_DN) { + $charMap += $charMaps[self::LDAP_ESCAPE_DN]; + } + + if (!$charMap) { + $charMap = $charMaps[0]; + } + + // Remove any chars to ignore from the list + $ignore = (string) $ignore; + + for ($i = 0, $l = \strlen($ignore); $i < $l; ++$i) { + unset($charMap[$ignore[$i]]); + } + + // Do the main replacement + $result = strtr($subject, $charMap); + + // Encode leading/trailing spaces if self::LDAP_ESCAPE_DN is passed + if ($flags & self::LDAP_ESCAPE_DN) { + if (' ' === $result[0]) { + $result = '\\20'.substr($result, 1); + } + + if (' ' === $result[\strlen($result) - 1]) { + $result = substr($result, 0, -1).'\\20'; + } + } + + return $result; + } +} |
