看板初始化提交
This commit is contained in:
zephyr
+11
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language: php
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php:
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- 5.3
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- 5.4
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- 5.5
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- 5.6
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- 7.0
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script: phpunit
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Vendored
+20
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Copyright (c) Christian Riesen http://christianriesen.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is furnished
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to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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+100
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<?php
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session_start(); // using it as storage temporary
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require_once __DIR__ . '/../vendor/autoload.php';
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use Otp\Otp;
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use Otp\GoogleAuthenticator;
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use Base32\Base32;
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// Getting a secret, either by generating or from storage
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// DON'T use sessions as storage for this in production!!!
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$secret = 0;
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if (isset($_SESSION['otpsecret'])) {
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$secret = $_SESSION['otpsecret'];
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}
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if (strlen($secret) != 16) {
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$secret = GoogleAuthenticator::generateRandom();
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$_SESSION['otpsecret'] = $secret;
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}
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// The secret is now an easy stored Base32 string.
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// To use it in totp though we need to decode it into the original
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$otp = new Otp();
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$currentTotp = $otp->totp(Base32::decode($secret));
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$qrCode = GoogleAuthenticator::getQrCodeUrl('totp', 'otpsample@cr', $secret);
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$keyUri = GoogleAuthenticator::getKeyUri('totp', 'otpsample@cr', $secret);
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?><html>
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<head>
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<title>One Time Passwords Example</title>
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</head>
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<body>
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<h1>One Time Passwords Example</h1>
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Secret is <?php echo $secret; ?>. This is saved with the users credentials.
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<br />
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<br />
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<hr />
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QR Code for totp:<br />
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<img src="<?php echo $qrCode; ?>" />
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<br />
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This QR Code contains the Key URI: <?php echo $keyUri; ?>
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<br />
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<hr />
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Current totp would be <?php echo $currentTotp; ?><br />
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<br />
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<hr />
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Because of timedrift, you could technically enter a code before or after it
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would actually be used. This form uses the checkTotp function. To test this,
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open this page, wait until the key changes once or twice (not more) on your
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Google Authenticator, then hit submit. Even though the key is "wrong" because of
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small time differences, you can still use it.
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<form action="" method="post">
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<input type="text" name="otpkey" value="<?php echo $currentTotp; ?>" /><br />
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<input type="submit">
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</form>
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<br />
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Output:<br />
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<br />
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<?php
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if (isset($_POST['otpkey'])) {
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// Sanatizing, this should take care of it
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$key = preg_replace('/[^0-9]/', '', $_POST['otpkey']);
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// Standard is 6 for keys, but can be changed with setDigits on $otp
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if (strlen($key) == 6) {
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// Remember that the secret is a base32 string that needs decoding
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// to use it here!
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if ($otp->checkTotp(Base32::decode($secret), $key)) {
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echo 'Key correct!';
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// Add here something that makes note of this key and will not allow
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// the use of it, for this user for the next 2 minutes. This way you
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// prevent a replay attack. Otherwise your OTP is missing one of the
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// key features it can bring in security to your application!
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} else {
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echo 'Wrong key!';
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}
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} else {
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echo 'Key not the correct size';
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}
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}
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?>
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</body>
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</html>
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+15
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<?xml version="1.0" encoding="UTF-8"?>
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<phpunit colors="true">
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<testsuites>
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<testsuite name="Otp Test Suite">
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<directory>tests/Otp/</directory>
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</testsuite>
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</testsuites>
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<filter>
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<whitelist>
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<directory suffix=".php">src/Otp/</directory>
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</whitelist>
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</filter>
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</phpunit>
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@@ -0,0 +1,189 @@
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<?php
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namespace Otp;
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/**
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* Google Authenticator
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*
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* Last update: 2014-08-19
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*
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* Can be easy used with Google Authenticator
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* @link https://code.google.com/p/google-authenticator/
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*
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* @author Christian Riesen <chris.riesen@gmail.com>
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* @link http://christianriesen.com
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* @license MIT License see LICENSE file
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*/
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class GoogleAuthenticator
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{
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protected static $allowedTypes = array('hotp', 'totp');
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protected static $height = 200;
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protected static $width = 200;
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/**
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* Returns the Key URI
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*
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* Format of encoded url is here:
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* https://code.google.com/p/google-authenticator/wiki/KeyUriFormat
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* Should be done in a better fashion
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*
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* @param string $type totp or hotp
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* @param string $label Label to display this as to the user
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* @param string $secret Base32 encoded secret
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* @param integer $counter Required by hotp, otherwise ignored
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* @param array $options Optional fields that will be set if present
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*
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* @return string Key URI
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*/
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public static function getKeyUri($type, $label, $secret, $counter = null, $options = array())
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{
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// two types only..
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if (!in_array($type, self::$allowedTypes)) {
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throw new \InvalidArgumentException('Type has to be of allowed types list');
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}
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// Label can't be empty
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$label = trim($label);
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if (strlen($label) < 1) {
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throw new \InvalidArgumentException('Label has to be one or more printable characters');
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}
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if (substr_count($label, ':') > 2) {
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throw new \InvalidArgumentException('Account name contains illegal colon characters');
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}
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// Secret needs to be here
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if (strlen($secret) < 1) {
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throw new \InvalidArgumentException('No secret present');
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}
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// check for counter on hotp
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if ($type == 'hotp' && is_null($counter)) {
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throw new \InvalidArgumentException('Counter required for hotp');
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}
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// This is the base, these are at least required
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$otpauth = 'otpauth://' . $type . '/' . str_replace(array(':', ' '), array('%3A', '%20'), $label) . '?secret=' . rawurlencode($secret);
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if ($type == 'hotp' && !is_null($counter)) {
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$otpauth .= '&counter=' . intval($counter);
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}
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// Now check the options array
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// algorithm (currently ignored by Authenticator)
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// Defaults to SHA1
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if (array_key_exists('algorithm', $options)) {
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$otpauth .= '&algorithm=' . rawurlencode($options['algorithm']);
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}
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// digits (currently ignored by Authenticator)
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// Defaults to 6
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if (array_key_exists('digits', $options) && intval($options['digits']) !== 6 && intval($options['digits']) !== 8) {
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throw new \InvalidArgumentException('Digits can only have the values 6 or 8, ' . $options['digits'] . ' given');
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} elseif (array_key_exists('digits', $options)) {
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$otpauth .= '&digits=' . intval($options['digits']);
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}
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// period, only for totp (currently ignored by Authenticator)
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// Defaults to 30
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if ($type == 'totp' && array_key_exists('period', $options)) {
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$otpauth .= '&period=' . rawurlencode($options['period']);
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}
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// issuer
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// Defaults to none
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if (array_key_exists('issuer', $options)) {
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$otpauth .= '&issuer=' . rawurlencode($options['issuer']);
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}
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return $otpauth;
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}
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/**
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* Returns the QR code url
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*
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* Format of encoded url is here:
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* https://code.google.com/p/google-authenticator/wiki/KeyUriFormat
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* Should be done in a better fashion
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*
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* @param string $type totp or hotp
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* @param string $label Label to display this as to the user
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* @param string $secret Base32 encoded secret
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* @param integer $counter Required by hotp, otherwise ignored
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* @param array $options Optional fields that will be set if present
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*
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* @return string URL to the QR code
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*/
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public static function getQrCodeUrl($type, $label, $secret, $counter = null, $options = array())
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{
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// Width and height can be overwritten
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$width = self::$width;
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if (array_key_exists('width', $options) && is_numeric($options['width'])) {
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$width = $options['width'];
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}
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$height = self::$height;
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if (array_key_exists('height', $options) && is_numeric($options['height'])) {
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$height = $options['height'];
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}
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$otpauth = self::getKeyUri($type, $label, $secret, $counter, $options);
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$url = 'https://chart.googleapis.com/chart?chs=' . $width . 'x'
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. $height . '&cht=qr&chld=M|0&chl=' . urlencode($otpauth);
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return $url;
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}
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/**
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* Creates a pseudo random Base32 string
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*
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* This could decode into anything. It's located here as a small helper
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* where code that might need base32 usually also needs something like this.
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*
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* @param integer $length Exact length of output string
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* @return string Base32 encoded random
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*/
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public static function generateRandom($length = 16)
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{
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$keys = array_merge(range('A','Z'), range(2,7)); // No padding char
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$string = '';
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for ($i = 0; $i < $length; $i++) {
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$string .= $keys[self::getRand()];
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}
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return $string;
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}
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/**
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* Get random number
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*
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* @return int Random number between 0 and 31 (including)
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*/
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private static function getRand()
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{
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if (function_exists('random_int')) {
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// Uses either the PHP7 internal function or the polyfill if present
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return random_int(0, 31);
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} elseif (function_exists('openssl_random_pseudo_bytes')) {
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$bytes = openssl_random_pseudo_bytes(2);
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$number = hexdec(bin2hex($bytes));
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if ($number > 31) {
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$number = $number % 32;
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}
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return $number;
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} else {
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return mt_rand(0, 31);
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}
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}
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}
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+310
@@ -0,0 +1,310 @@
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<?php
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namespace Otp;
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/**
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* One Time Passwords
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*
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* Last update: 2012-06-16
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*
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* Implements HOTP and TOTP
|
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*
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* HMAC-Based One-time Password(HOTP) algorithm specified in RFC 4226
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* @link https://tools.ietf.org/html/rfc4226
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*
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* Time-based One-time Password (TOTP) algorithm specified in RFC 6238
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* @link https://tools.ietf.org/html/rfc6238
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*
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* As a note: This code is NOT 2038 proof! The min concern is the function
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* getBinaryCounter that uses the pack function which can't handle 64bit yet.
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*
|
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* Can be easy used with Google Authenticator
|
||||
* @link https://code.google.com/p/google-authenticator/
|
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*
|
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* @author Christian Riesen <chris.riesen@gmail.com>
|
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* @link http://christianriesen.com
|
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* @license MIT License see LICENSE file
|
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*/
|
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|
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class Otp implements OtpInterface
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{
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/**
|
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* The digits the code can have
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*
|
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* Either 6 or 8.
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* Authenticator does only support 6.
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*
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* @var integer
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*/
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protected $digits = 6;
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/**
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* Time in seconds one counter period is long
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*
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* @var integer
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*/
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protected $period = 30;
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|
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/**
|
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* Possible algorithms
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*
|
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* @var array
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*/
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protected $allowedAlgorithms = array('sha1', 'sha256', 'sha512');
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/**
|
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* Currently used algorithm
|
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*
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* @var string
|
||||
*/
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protected $algorithm = 'sha1';
|
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|
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/* (non-PHPdoc)
|
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* @see Otp.OtpInterface::hotp()
|
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*/
|
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public function hotp($secret, $counter)
|
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{
|
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if (!is_numeric($counter)) {
|
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throw new \InvalidArgumentException('Counter must be integer');
|
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}
|
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|
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$hash = hash_hmac(
|
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$this->algorithm,
|
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$this->getBinaryCounter($counter),
|
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$secret,
|
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true
|
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);
|
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|
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return str_pad($this->truncate($hash), $this->digits, '0', STR_PAD_LEFT);
|
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}
|
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|
||||
/* (non-PHPdoc)
|
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* @see Otp.OtpInterface::totp()
|
||||
*/
|
||||
public function totp($secret, $timecounter = null)
|
||||
{
|
||||
if (is_null($timecounter)) {
|
||||
$timecounter = $this->getTimecounter();
|
||||
}
|
||||
|
||||
return $this->hotp($secret, $timecounter);
|
||||
}
|
||||
|
||||
/* (non-PHPdoc)
|
||||
* @see Otp.OtpInterface::checkHotp()
|
||||
*/
|
||||
public function checkHotp($secret, $counter, $key)
|
||||
{
|
||||
return $this->safeCompare($this->hotp($secret, $counter), $key);
|
||||
}
|
||||
|
||||
/* (non-PHPdoc)
|
||||
* @see Otp.OtpInterface::checkTotp()
|
||||
*/
|
||||
public function checkTotp($secret, $key, $timedrift = 1)
|
||||
{
|
||||
if (!is_numeric($timedrift) || $timedrift < 0) {
|
||||
throw new \InvalidArgumentException('Invalid timedrift supplied');
|
||||
}
|
||||
// Counter comes from time now
|
||||
// Also we check the current timestamp as well as previous and future ones
|
||||
// according to $timerange
|
||||
$timecounter = $this->getTimecounter();
|
||||
|
||||
$start = $timecounter - ($timedrift);
|
||||
$end = $timecounter + ($timedrift);
|
||||
|
||||
// We first try the current, as it is the most likely to work
|
||||
if ($this->safeCompare($this->totp($secret, $timecounter), $key)) {
|
||||
return true;
|
||||
} elseif ($timedrift == 0) {
|
||||
// When timedrift is 0, this is the end of the checks
|
||||
return false;
|
||||
}
|
||||
|
||||
// Well, that didn't work, so try the others
|
||||
for ($t = $start; $t <= $end; $t = $t + 1) {
|
||||
if ($t == $timecounter) {
|
||||
// Already tried that one
|
||||
continue;
|
||||
}
|
||||
|
||||
if ($this->safeCompare($this->totp($secret, $t), $key)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
// if none worked, then return false
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Changing the used algorithm for hashing
|
||||
*
|
||||
* Can only be one of the algorithms in the allowedAlgorithms property.
|
||||
*
|
||||
* @param string $algorithm
|
||||
* @throws \InvalidArgumentException
|
||||
* @return \Otp\Otp
|
||||
*/
|
||||
|
||||
/*
|
||||
* This has been disabled since it does not bring the expected results
|
||||
* according to the RFC test vectors for sha256 or sha512.
|
||||
* Until that is fixed, the algorithm simply stays at sha1.
|
||||
* Google Authenticator does not support sha256 and sha512 at the moment.
|
||||
*
|
||||
|
||||
public function setAlgorithm($algorithm)
|
||||
{
|
||||
if (!in_array($algorithm, $this->allowedAlgorithms)) {
|
||||
throw new \InvalidArgumentException('Not an allowed algorithm: ' . $algorithm);
|
||||
}
|
||||
|
||||
$this->algorithm = $algorithm;
|
||||
|
||||
return $this;
|
||||
}
|
||||
// */
|
||||
|
||||
/**
|
||||
* Get the algorithms name (lowercase)
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getAlgorithm()
|
||||
{
|
||||
return $this->algorithm;
|
||||
}
|
||||
|
||||
/**
|
||||
* Setting period lenght for totp
|
||||
*
|
||||
* @param integer $period
|
||||
* @throws \InvalidArgumentException
|
||||
* @return \Otp\Otp
|
||||
*/
|
||||
public function setPeriod($period)
|
||||
{
|
||||
if (!is_int($period)) {
|
||||
throw new \InvalidArgumentException('Period must be an integer');
|
||||
}
|
||||
|
||||
$this->period = $period;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the set period value
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
public function getPeriod()
|
||||
{
|
||||
return $this->period;
|
||||
}
|
||||
|
||||
/**
|
||||
* Setting number of otp digits
|
||||
*
|
||||
* @param integer $digits Number of digits for the otp (6 or 8)
|
||||
* @throws \InvalidArgumentException
|
||||
* @return \Otp\Otp
|
||||
*/
|
||||
public function setDigits($digits)
|
||||
{
|
||||
if (!in_array($digits, array(6, 8))) {
|
||||
throw new \InvalidArgumentException('Digits must be 6 or 8');
|
||||
}
|
||||
|
||||
$this->digits = $digits;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns number of digits in the otp
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
public function getDigits()
|
||||
{
|
||||
return $this->digits;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generates a binary counter for hashing
|
||||
*
|
||||
* Warning: Not 2038 safe. Maybe until then pack supports 64bit.
|
||||
*
|
||||
* @param integer $counter Counter in integer form
|
||||
* @return string Binary string
|
||||
*/
|
||||
protected function getBinaryCounter($counter)
|
||||
{
|
||||
return pack('N*', 0) . pack('N*', $counter);
|
||||
}
|
||||
|
||||
/**
|
||||
* Generating time counter
|
||||
*
|
||||
* This is the time divided by 30 by default.
|
||||
*
|
||||
* @return integer Time counter
|
||||
*/
|
||||
protected function getTimecounter()
|
||||
{
|
||||
return floor(time() / $this->period);
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates the basic number for otp from hash
|
||||
*
|
||||
* This number is left padded with zeros to the required length by the
|
||||
* calling function.
|
||||
*
|
||||
* @param string $hash hmac hash
|
||||
* @return number
|
||||
*/
|
||||
protected function truncate($hash)
|
||||
{
|
||||
$offset = ord($hash[19]) & 0xf;
|
||||
|
||||
return (
|
||||
((ord($hash[$offset+0]) & 0x7f) << 24 ) |
|
||||
((ord($hash[$offset+1]) & 0xff) << 16 ) |
|
||||
((ord($hash[$offset+2]) & 0xff) << 8 ) |
|
||||
(ord($hash[$offset+3]) & 0xff)
|
||||
) % pow(10, $this->digits);
|
||||
}
|
||||
|
||||
/**
|
||||
* Safely compares two inputs
|
||||
*
|
||||
* Assumed inputs are numbers and strings.
|
||||
* Compares them in a time linear manner. No matter how much you guess
|
||||
* correct of the partial content, it does not change the time it takes to
|
||||
* run the entire comparison.
|
||||
*
|
||||
* @param mixed $a
|
||||
* @param mixed $b
|
||||
* @return boolean
|
||||
*/
|
||||
protected function safeCompare($a, $b)
|
||||
{
|
||||
$sha1a = sha1($a);
|
||||
$sha1b = sha1($b);
|
||||
|
||||
// Now the compare is always the same length. Even considering minute
|
||||
// time differences in sha1 creation, all you know is that a longer
|
||||
// input takes longer to hash, not how long the actual compared value is
|
||||
$result = 0;
|
||||
|
||||
for ($i = 0; $i < 40; $i++) {
|
||||
$result |= ord($sha1a[$i]) ^ ord($sha1b[$i]);
|
||||
}
|
||||
|
||||
return $result == 0;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -0,0 +1,65 @@
|
||||
<?php
|
||||
namespace Otp;
|
||||
|
||||
/**
|
||||
* Interface for HOTP and TOTP
|
||||
*
|
||||
* Last update: 2012-06-16
|
||||
*
|
||||
* HMAC-Based One-time Password(HOTP) algorithm specified in RFC 4226
|
||||
* @link https://tools.ietf.org/html/rfc4226
|
||||
*
|
||||
* Time-based One-time Password (TOTP) algorithm specified in RFC 6238
|
||||
* @link https://tools.ietf.org/html/rfc6238
|
||||
*
|
||||
* @author Christian Riesen <chris.riesen@gmail.com>
|
||||
* @link http://christianriesen.com
|
||||
* @license MIT License see LICENSE file
|
||||
*/
|
||||
|
||||
interface OtpInterface
|
||||
{
|
||||
/**
|
||||
* Returns OTP using the HOTP algorithm
|
||||
*
|
||||
* @param string $secret
|
||||
* @param integer $counter
|
||||
* @return string One Time Password
|
||||
*/
|
||||
function hotp($secret, $counter);
|
||||
|
||||
/**
|
||||
* Returns OTP using the TOTP algorithm
|
||||
*
|
||||
* @param string $secret
|
||||
* @param integer $timecounter Optional: Uses current time if null
|
||||
* @return string One Time Password
|
||||
*/
|
||||
function totp($secret, $timecounter = null);
|
||||
|
||||
/**
|
||||
* Checks Hotp against a key
|
||||
*
|
||||
* This is a helper function, but is here to ensure the Totp can be checked
|
||||
* in the same manner.
|
||||
*
|
||||
* @param string $secret
|
||||
* @param integer $counter
|
||||
* @param string $key
|
||||
*
|
||||
* @return boolean If key is correct
|
||||
*/
|
||||
function checkHotp($secret, $counter, $key);
|
||||
|
||||
/**
|
||||
* Checks Totp agains a key
|
||||
*
|
||||
*
|
||||
* @param string $secret
|
||||
* @param integer $key
|
||||
* @param integer $timedrift
|
||||
*
|
||||
* @return boolean If key is correct
|
||||
*/
|
||||
function checkTotp($secret, $key, $timedrift = 1);
|
||||
}
|
||||
Reference in New Issue
Block a user