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<?php |
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class AuthUtility |
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{ |
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/** |
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* Test the specified data against the specified credentials |
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* @param string $password |
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* @param string $credentials |
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* @return bool |
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*/ |
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public static function testCredentials($password, $credentials) |
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{ |
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global $minimumPasswordVersion; |
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if (substr($credentials, 0, 1) != ":") { |
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return false; |
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} |
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// determine password version |
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$data = explode(':', substr($credentials, 1)); |
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// call the encryptVersion function for the version that this password actually is. |
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// syntax: :1:SALT:HASH |
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// syntax: :2:x:HASH |
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// check the version is one of the allowed ones: |
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if ($minimumPasswordVersion > $data[0]) { |
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return false; |
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} |
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if ($data[0] == 1) { |
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return $credentials == self::encryptVersion1($password, $data[1]); |
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} |
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if ($data[0] == 2) { |
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return self::verifyVersion2($password, $data[2]); |
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} |
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return false; |
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} |
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/** |
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* @param string $credentials |
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* @return bool |
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*/ |
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public static function isCredentialVersionLatest($credentials) |
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{ |
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return substr($credentials, 0, 3) === ":2:"; |
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} |
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/** |
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* Encrypts a user's password with the latest version of the hash algorithm |
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* @param string $password |
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* @return string |
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*/ |
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public static function encryptPassword($password) |
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{ |
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return self::encryptVersion2($password); |
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} |
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/** |
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* @param string $password |
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* @param string $salt |
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* @return string |
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*/ |
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private static function encryptVersion1($password, $salt) |
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{ |
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return ':1:' . $salt . ':' . md5($salt . '-' . md5($password)); |
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} |
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/** |
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* @param string $password |
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* @return string |
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*/ |
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private static function encryptVersion2($password) |
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{ |
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return ':2:x:' . password_hash($password, PASSWORD_BCRYPT); |
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} |
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/** |
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* @param string $password |
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* @param string $hash |
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* @return bool |
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*/ |
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private static function verifyVersion2($password, $hash) |
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{ |
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return password_verify($password, $hash); |
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} |
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} |
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enwikipedia-acc /
waca
