存档五月 2021

google认证_生成认证码.php

<?php
/**
 * 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 PHPGangsta_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 = $this->_getBase32LookupTable();
        unset($validChars[32]);
        $secret = '';
        for ($i = 0; $i < $secretLength; $i++) {
            $secret .= $validChars[array_rand($validChars)];
        }
        return $secret;
    }
    /**
     * Calculate the code, with given secret and point in time
     *
     * @param string $secret
     * @param int|null $timeSlice
     * @return string
     */
    public function getCode($secret, $timeSlice = null)
    {
        if ($timeSlice === null) {
            $timeSlice = floor(time() / 30);
        }
        $secretkey = $this->_base32Decode($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 $title
     * @return string
     */
    public function getQRCodeGoogleUrl($name, $secret, $title = null) {
        $urlencoded = urlencode('otpauth://totp/'.$name.'?secret='.$secret.'');
    if(isset($title)) {
                $urlencoded .= urlencode('&issuer='.urlencode($title));
        }
        return 'https://chart.googleapis.com/chart?chs=200x200&chld=M|0&cht=qr&chl='.$urlencoded.'';
    }
    /**
     * 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) {
            $currentTimeSlice = floor(time() / 30);
        }
        for ($i = -$discrepancy; $i <= $discrepancy; $i++) {
            $calculatedCode = $this->getCode($secret, $currentTimeSlice + $i);
            if ($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;
    }
    /**
     * Helper class to encode base32
     *
     * @param string $secret
     * @param bool $padding
     * @return string
     */
    protected function _base32Encode($secret, $padding = true)
    {
        if (empty($secret)) return '';
        $base32chars = $this->_getBase32LookupTable();
        $secret = str_split($secret);
        $binaryString = "";
        for ($i = 0; $i < count($secret); $i++) {
            $binaryString .= str_pad(base_convert(ord($secret[$i]), 10, 2), 8, '0', STR_PAD_LEFT);
        }
        $fiveBitBinaryArray = str_split($binaryString, 5);
        $base32 = "";
        $i = 0;
        while ($i < count($fiveBitBinaryArray)) {
            $base32 .= $base32chars[base_convert(str_pad($fiveBitBinaryArray[$i], 5, '0'), 2, 10)];
            $i++;
        }
        if ($padding && ($x = strlen($binaryString) % 40) != 0) {
            if ($x == 8) $base32 .= str_repeat($base32chars[32], 6);
            elseif ($x == 16) $base32 .= str_repeat($base32chars[32], 4);
            elseif ($x == 24) $base32 .= str_repeat($base32chars[32], 3);
            elseif ($x == 32) $base32 .= $base32chars[32];
        }
        return $base32;
    }
    /**
     * 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
        );
    }
}

$ga = new PHPGangsta_GoogleAuthenticator();

$oneCode = $ga->getCode('ZUM6YNUG4WWYG66Q');

echo $oneCode;

自动登录调取google认证登录jumpserver.sh

#!/bin/sh
# 此脚本可实现 自动登录 jumpserver 会自动验证秘密及google的两部验证
# google验证 使用的php算法获取 # php .asdf.php

secret=ZUM6YNUG4WWYG66Q
user=teooo
ip=172.21.34.100
passwd=123456
port=2222

cat <<-aaa > .asdf.php
<?php
/**
 * 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 PHPGangsta_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();
        unset(\$validChars[32]);
        \$secret = '';
        for (\$i = 0; \$i < \$secretLength; \$i++) {
            \$secret .= \$validChars[array_rand(\$validChars)];
        }
        return \$secret;
    }
    /**
     * Calculate the code, with given secret and point in time
     *
     * @param string \$secret
     * @param int|null \$timeSlice
     * @return string
     */
    public function getCode(\$secret, \$timeSlice = null)
    {
        if (\$timeSlice === null) {
            \$timeSlice = floor(time() / 30);
        }
        \$secretkey = \$this->_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
     * @return string
     */
    public function getQRCodeGoogleUrl(\$name, \$secret, \$title = null) {
        \$urlencoded = urlencode('otpauth://totp/'.\$name.'?secret='.\$secret.'');
    if(isset(\$title)) {
                \$urlencoded .= urlencode('&issuer='.urlencode(\$title));
        }
        return 'https://chart.googleapis.com/chart?chs=200x200&chld=M|0&cht=qr&chl='.\$urlencoded.'';
    }
    /**
     * 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);
        }
        for (\$i = -\$discrepancy; \$i <= \$discrepancy; \$i++) {
            \$calculatedCode = \$this->getCode(\$secret, \$currentTimeSlice + \$i);
            if (\$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;
    }
    /**
     * Helper class to encode base32
     *
     * @param string \$secret
     * @param bool \$padding
     * @return string
     */
    protected function _base32Encode(\$secret, \$padding = true)
    {
        if (empty(\$secret)) return '';
        \$base32chars = \$this->_getBase32LookupTable();
        \$secret = str_split(\$secret);
        \$binaryString = "";
        for (\$i = 0; \$i < count(\$secret); \$i++) {
            \$binaryString .= str_pad(base_convert(ord(\$secret[\$i]), 10, 2), 8, '0', STR_PAD_LEFT);
        }
        \$fiveBitBinaryArray = str_split(\$binaryString, 5);
        \$base32 = "";
        \$i = 0;
        while (\$i < count(\$fiveBitBinaryArray)) {
            \$base32 .= \$base32chars[base_convert(str_pad(\$fiveBitBinaryArray[\$i], 5, '0'), 2, 10)];
            \$i++;
        }
        if (\$padding && (\$x = strlen(\$binaryString) % 40) != 0) {
            if (\$x == 8) \$base32 .= str_repeat(\$base32chars[32], 6);
            elseif (\$x == 16) \$base32 .= str_repeat(\$base32chars[32], 4);
            elseif (\$x == 24) \$base32 .= str_repeat(\$base32chars[32], 3);
            elseif (\$x == 32) \$base32 .= \$base32chars[32];
        }
        return \$base32;
    }
    /**
     * 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
        );
    }
}

\$ga = new PHPGangsta_GoogleAuthenticator();

\$oneCode = \$ga->getCode('$secret');

echo \$oneCode;
aaa
i=`php .asdf.php`
cat <<-EOF > .asdf.sh
#!/usr/bin/expect -f
set timeout 2
spawn ssh -p $port $user@$ip
expect "teooo" { send "$passwd\r" }
expect "MFA" { send "$i\\r" }
interact
EOF
chmod +x .asdf.*
./.asdf.sh && rm -f ./.asdf.*