基础环境系统环境：Windows10 x64PHP集成环境：phpstudyPHP依赖管理工具：Composer手册：Thinkphp6
（一）下载 GoogleAuthenticator 类
（1）代码亲测有效 （2）代码是在tp6环境下，生成的路径可根据当前Tp版本自行修改
/** * PHP Class for handling Google Authenticator 2-factor authentication. * * @author Michael Kliewe * @copyright 2012 Michael Kliewe * @license http://www.opensource.org/licenses/bsd-license.php BSD License * * @link http://www.phpgangsta.de/ */class GoogleAuthenticator{ protected $_codeLength = 6; /** * Create new secret. * 16 characters, randomly chosen from the allowed base32 characters. * * @param int $secretLength * * @return string */ public function createSecret($secretLength = 16) { $validChars = $this->_getBase32LookupTable(); // Valid secret lengths are 80 to 640 bits if ($secretLength 128) { throw new Exception('Bad secret length'); } $secret = ''; $rnd = false; if (function_exists('random_bytes')) { $rnd = random_bytes($secretLength); } elseif (function_exists('mcrypt_create_iv')) { $rnd = mcrypt_create_iv($secretLength, MCRYPT_DEV_URANDOM); } elseif (function_exists('openssl_random_pseudo_bytes')) { $rnd = openssl_random_pseudo_bytes($secretLength, $cryptoStrong); if (!$cryptoStrong) { $rnd = false; } } if ($rnd !== false) { for ($i = 0; $i _base32Decode($secret); // Pack time into binary string $time = chr(0).chr(0).chr(0).chr(0).pack('N*', $timeSlice); // Hash it with users secret key $hm = hash_hmac('SHA1', $time, $secretkey, true); // Use last nipple of result as index/offset $offset = ord(substr($hm, -1)) & 0x0F; // grab 4 bytes of the result $hashpart = substr($hm, $offset, 4); // Unpak binary value $value = unpack('N', $hashpart); $value = $value[1]; // Only 32 bits $value = $value & 0x7FFFFFFF; $modulo = pow(10, $this->_codeLength); return str_pad($value % $modulo, $this->_codeLength, '0', STR_PAD_LEFT); } /** * Get QR-Code URL for image, from google charts. * * @param string $name * @param string $secret * @param string $title * @param array $params * * @return string */ public function getQRCodeGoogleUrl($name, $secret, $title = null, $params = array()) { $width = !empty($params['width']) && (int) $params['width'] > 0 ? (int) $params['width'] : 200; $height = !empty($params['height']) && (int) $params['height'] > 0 ? (int) $params['height'] : 200; $level = !empty($params['level']) && array_search($params['level'], array('L', 'M', 'Q', 'H')) !== false ? $params['level'] : 'M'; $urlencoded = urlencode('otpauth://totp/'.$name.'?secret='.$secret.''); if (isset($title)) { $urlencoded .= urlencode('&issuer='.urlencode($title)); } return "https://api.qrserver.com/v1/create-qr-code/?data=$urlencoded&size=${width}x${height}&ecc=$level"; } /** * Check if the code is correct. This will accept codes starting from $discrepancy*30sec ago to $discrepancy*30sec from now. * * @param string $secret * @param string $code * @param int $discrepancy This is the allowed time drift in 30 second units (8 means 4 minutes before or after) * @param int|null $currentTimeSlice time slice if we want use other that time() * * @return bool */ public function verifyCode($secret, $code, $discrepancy = 1, $currentTimeSlice = null) { if ($currentTimeSlice === null) { $currentTimeSlice = floor(time() / 30); } if (strlen($code) != 6) { return false; } for ($i = -$discrepancy; $i getCode($secret, $currentTimeSlice + $i); if ($this->timingSafeEquals($calculatedCode, $code)) { return true; } } return false; } /** * Set the code length, should be >=6. * * @param int $length * * @return PHPGangsta_GoogleAuthenticator */ public function setCodeLength($length) { $this->_codeLength = $length; return $this; } /** * Helper class to decode base32. * * @param $secret * * @return bool|string */ protected function _base32Decode($secret) { if (empty($secret)) { return ''; } $base32chars = $this->_getBase32LookupTable(); $base32charsFlipped = array_flip($base32chars); $paddingCharCount = substr_count($secret, $base32chars[32]); $allowedValues = array(6, 4, 3, 1, 0); if (!in_array($paddingCharCount, $allowedValues)) { return false; } for ($i = 0; $i < 4; ++$i) { if ($paddingCharCount == $allowedValues[$i] && substr($secret, -($allowedValues[$i])) != str_repeat($base32chars[32], $allowedValues[$i])) { return false; } } $secret = str_replace('=', '', $secret); $secret = str_split($secret); $binaryString = ''; for ($i = 0; $i < count($secret); $i = $i + 8) { $x = ''; if (!in_array($secret[$i], $base32chars)) { return false; } for ($j = 0; $j < 8; ++$j) { $x .= str_pad(base_convert(@$base32charsFlipped[@$secret[$i + $j]], 10, 2), 5, '0', STR_PAD_LEFT); } $eightBits = str_split($x, 8); for ($z = 0; $z < count($eightBits); ++$z) { $binaryString .= (($y = chr(base_convert($eightBits[$z], 2, 10))) || ord($y) == 48) ? $y : ''; } } return $binaryString; } /** * Get array with all 32 characters for decoding from/encoding to base32. * * @return array */ protected function _getBase32LookupTable() { return array( 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', // 7 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', // 15 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', // 23 'Y', 'Z', '2', '3', '4', '5', '6', '7', // 31 '=', // padding char ); } /** * A timing safe equals comparison * more info here: http://blog.ircmaxell.com/2014/11/its-all-about-time.html. * * @param string $safeString The internal (safe) value to be checked * @param string $userString The user submitted (unsafe) value * * @return bool True if the two strings are identical */ private function timingSafeEquals($safeString, $userString) { if (function_exists('hash_equals')) { return hash_equals($safeString, $userString); } $safeLen = strlen($safeString); $userLen = strlen($userString); if ($userLen != $safeLen) { return false; } $result = 0; for ($i = 0; $i < $userLen; ++$i) { $result |= (ord($safeString[$i]) ^ ord($userString[$i])); } // They are only identical strings if $result is exactly 0... return $result === 0; }}
（二）使用
（1）生成 谷歌秘钥和验证二维码
（2）将谷歌秘钥和验证二维码保存到数据库
//谷歌验证码$google=new GoogleAuthenticator();//生成验证秘钥$secret=$google->createSecret();//生成验证二维码 $username 需要绑定的用户名$qrCodeUrl = $google->getQRCodeGoogleUrl($username, $secret);//存入数据库.....省略代码
（3）谷歌验证
$google=new GoogleAuthenticator();//$google_secret 存入的谷歌秘钥 ，$code 谷歌动态验证码$checkResult = $google->verifyCode($google_secret, $code, 4); if (!$checkResult){ $this->error('谷歌验证码错误'); }
《相关推荐：最新的10个thinkphp视频教程》
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