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Diffstat (limited to 'vendor/OTPHP/OTP.php')
-rw-r--r-- | vendor/OTPHP/OTP.php | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/vendor/OTPHP/OTP.php b/vendor/OTPHP/OTP.php deleted file mode 100644 index d1995ef99..000000000 --- a/vendor/OTPHP/OTP.php +++ /dev/null @@ -1,120 +0,0 @@ -<?php -/* - * Copyright (c) 2011 Le Lag - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -namespace OTPHP { -/** - * One Time Password Generator - * - * The OTP class allow the generation of one-time - * password that is described in rfc 4xxx. - * - * This is class is meant to be compatible with - * Google Authenticator. - * - * This class was originally ported from the rotp - * ruby library available at https://github.com/mdp/rotp - */ -class OTP { - /** - * The base32 encoded secret key - * @var string - */ - public $secret; - - /** - * The algorithm used for the hmac hash function - * @var string - */ - public $digest; - - /** - * The number of digits in the one-time password - * @var integer - */ - public $digits; - - /** - * Constructor for the OTP class - * @param string $secret the secret key - * @param array $opt options array can contain the - * following keys : - * @param integer digits : the number of digits in the one time password - * Currently Google Authenticator only support 6. Defaults to 6. - * @param string digest : the algorithm used for the hmac hash function - * Google Authenticator only support sha1. Defaults to sha1 - * - * @return new OTP class. - */ - public function __construct($secret, $opt = Array()) { - $this->digits = isset($opt['digits']) ? $opt['digits'] : 6; - $this->digest = isset($opt['digest']) ? $opt['digest'] : 'sha1'; - $this->secret = $secret; - } - - /** - * Generate a one-time password - * - * @param integer $input : number used to seed the hmac hash function. - * This number is usually a counter (HOTP) or calculated based on the current - * timestamp (see TOTP class). - * @return integer the one-time password - */ - public function generateOTP($input) { - $hash = hash_hmac($this->digest, $this->intToBytestring($input), $this->byteSecret()); - foreach(str_split($hash, 2) as $hex) { // stupid PHP has bin2hex but no hex2bin WTF - $hmac[] = hexdec($hex); - } - $offset = $hmac[19] & 0xf; - $code = ($hmac[$offset+0] & 0x7F) << 24 | - ($hmac[$offset + 1] & 0xFF) << 16 | - ($hmac[$offset + 2] & 0xFF) << 8 | - ($hmac[$offset + 3] & 0xFF); - return $code % pow(10, $this->digits); - } - - /** - * Returns the binary value of the base32 encoded secret - * @access private - * This method should be private but was left public for - * phpunit tests to work. - * @return binary secret key - */ - public function byteSecret() { - return Base32::decode($this->secret); - } - - /** - * Turns an integer in a OATH bytestring - * @param integer $int - * @access private - * @return string bytestring - */ - public function intToBytestring($int) { - $result = Array(); - while($int != 0) { - $result[] = chr($int & 0xFF); - $int >>= 8; - } - return str_pad(join(array_reverse($result)), 8, "\000", STR_PAD_LEFT); - } - } -} |