Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
composer	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
eventrelayer	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
filebackend	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
iterators	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
lockmanager	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
mime	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
objectcache	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
rdbms	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
redis	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
replacers	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
stats	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
time	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
virtualrest	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
xmp	[ DIR ]	drwxr-xr-x	2016-11-28 20:20
APACHE-LICENSE-2.0.txt	11.09 KB	-rw-r--r--	2016-11-28 20:20
ArrayUtils.php	5.44 KB	-rw-r--r--	2016-11-28 20:20
CSSJanus.php	12.62 KB	-rw-r--r--	2010-09-21 22:11
CSSMin.php	15.02 KB	-rw-r--r--	2016-11-28 20:20
Cookie.php	5.41 KB	-rw-r--r--	2016-11-28 20:20
CookieJar.php	2.74 KB	-rw-r--r--	2016-11-28 20:20
CryptHKDF.php	8.78 KB	-rw-r--r--	2016-11-28 20:20
CryptRand.php	14.37 KB	-rw-r--r--	2016-11-28 20:20
DeferredStringifier.php	1.59 KB	-rw-r--r--	2016-11-28 20:20
ExplodeIterator.php	2.78 KB	-rw-r--r--	2016-11-28 20:20
GenericArrayObject.php	5.57 KB	-rw-r--r--	2016-11-28 20:20
HashRing.php	6.94 KB	-rw-r--r--	2016-11-28 20:20
HtmlArmor.php	1.39 KB	-rw-r--r--	2016-11-28 20:20
HttpStatus.php	3.14 KB	-rw-r--r--	2016-11-28 20:20
IEContentAnalyzer.php	25.06 KB	-rw-r--r--	2010-08-27 01:22
IEUrlExtension.php	9.02 KB	-rw-r--r--	2016-11-28 20:20
IP.php	22.32 KB	-rw-r--r--	2016-11-28 20:20
JavaScriptMinifier.php	22.24 KB	-rw-r--r--	2016-11-28 20:20
MWCryptHash.php	3.58 KB	-rw-r--r--	2016-11-28 20:20
MWMessagePack.php	5.63 KB	-rw-r--r--	2016-11-28 20:20
MapCacheLRU.php	3.88 KB	-rw-r--r--	2016-11-28 20:20
MappedIterator.php	3.3 KB	-rw-r--r--	2016-11-28 20:20
MemoizedCallable.php	4.68 KB	-rw-r--r--	2016-11-28 20:20
MessageSpecifier.php	1.21 KB	-rw-r--r--	2016-11-28 20:20
MultiHttpClient.php	15.25 KB	-rw-r--r--	2016-11-28 20:20
ObjectFactory.php	6.52 KB	-rw-r--r--	2016-11-28 20:20
ProcessCacheLRU.php	4.14 KB	-rw-r--r--	2016-11-28 20:20
README	237 B	-rw-r--r--	2016-11-28 20:20
ReplacementArray.php	2.22 KB	-rw-r--r--	2016-11-28 20:20
ReverseArrayIterator.php	2.01 KB	-rw-r--r--	2016-11-28 20:20
RiffExtractor.php	2.62 KB	-rw-r--r--	2016-11-28 20:20
StatusValue.php	8.84 KB	-rw-r--r--	2016-11-28 20:20
StringUtils.php	9.55 KB	-rw-r--r--	2016-11-28 20:20
Timing.php	5.91 KB	-rw-r--r--	2016-11-28 20:20
UDPTransport.php	3.07 KB	-rw-r--r--	2016-11-28 20:20
Xhprof.php	1.69 KB	-rw-r--r--	2016-11-28 20:20
XhprofData.php	10.68 KB	-rw-r--r--	2016-11-28 20:20
jsminplus.php	53.57 KB	-rw-r--r--	2016-11-28 20:20

Rename

<?php
/**
 * Utility functions for generating hashes
 *
 * This is based in part on Drupal code as well as what we used in our own code
 * prior to introduction of this class, by way of MWCryptRand.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

class MWCryptHash {
	/**
	 * The hash algorithm being used
	 */
	protected static $algo = null;

/**
	 * The number of bytes outputted by the hash algorithm
	 */
	protected static $hashLength = [
		true => null,
		false => null,
	];

/**
	 * Decide on the best acceptable hash algorithm we have available for hash()
	 * @return string A hash algorithm
	 */
	public static function hashAlgo() {
		if ( !is_null( self::$algo ) ) {
			return self::$algo;
		}

$algos = hash_algos();
		$preference = [ 'whirlpool', 'sha256', 'sha1', 'md5' ];

foreach ( $preference as $algorithm ) {
			if ( in_array( $algorithm, $algos ) ) {
				self::$algo = $algorithm;

return self::$algo;
			}
		}

// We only reach here if no acceptable hash is found in the list, this should
		// be a technical impossibility since most of php's hash list is fixed and
		// some of the ones we list are available as their own native functions
		// But since we already require at least 5.2 and hash() was default in
		// 5.1.2 we don't bother falling back to methods like sha1 and md5.
		throw new DomainException( "Could not find an acceptable hashing function in hash_algos()" );
	}

/**
	 * Return the byte-length output of the hash algorithm we are
	 * using in self::hash and self::hmac.
	 *
	 * @param bool $raw True to return the length for binary data, false to
	 *   return for hex-encoded
	 * @return int Number of bytes the hash outputs
	 */
	public static function hashLength( $raw = true ) {
		$raw = (bool)$raw;
		if ( is_null( self::$hashLength[$raw] ) ) {
			self::$hashLength[$raw] = strlen( self::hash( '', $raw ) );
		}

return self::$hashLength[$raw];
	}

/**
	 * Generate an acceptably unstable one-way-hash of some text
	 * making use of the best hash algorithm that we have available.
	 *
	 * @param string $data
	 * @param bool $raw True to return binary data, false to return it hex-encoded
	 * @return string A hash of the data
	 */
	public static function hash( $data, $raw = true ) {
		return hash( self::hashAlgo(), $data, $raw );
	}

/**
	 * Generate an acceptably unstable one-way-hmac of some text
	 * making use of the best hash algorithm that we have available.
	 *
	 * @param string $data
	 * @param string $key
	 * @param bool $raw True to return binary data, false to return it hex-encoded
	 * @return string An hmac hash of the data + key
	 */
	public static function hmac( $data, $key, $raw = true ) {
		if ( !is_string( $key ) ) {
			// a fatal error in HHVM; an exception will at least give us a stack trace
			throw new InvalidArgumentException( 'Invalid key type: ' . gettype( $key ) );
		}
		return hash_hmac( self::hashAlgo(), $data, $key, $raw );
	}

}