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Merge branch 'clean-up-demo'
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@willpower232
willpower232 committed Mar 29, 2021
2 parents 148e409 + a627b88 commit 1faaf71
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54 changes: 35 additions & 19 deletions demo/demo.php
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Original file line number Diff line number Diff line change
Expand Up @@ -6,30 +6,46 @@
<body>
<ol>
<?php
require_once 'loader.php';
Loader::register('../lib','RobThree\\Auth');
// in practice you would require the composer loader if it was not already part of your framework or project
spl_autoload_register(function ($className) {
include_once str_replace(array('RobThree\\Auth', '\\'), array(__DIR__.'/../lib', '/'), $className) . '.php';
});

use \RobThree\Auth\TwoFactorAuth;

$tfa = new TwoFactorAuth('MyApp');

echo '<li>First create a secret and associate it with a user';
$secret = $tfa->createSecret(160); // Though the default is an 80 bits secret (for backwards compatibility reasons) we recommend creating 160+ bits secrets (see RFC 4226 - Algorithm Requirements)
echo '<li>Next create a QR code and let the user scan it:<br><img src="' . $tfa->getQRCodeImageAsDataUri('My label', $secret) . '"><br>...or display the secret to the user for manual entry: ' . chunk_split($secret, 4, ' ');
$code = $tfa->getCode($secret);
echo '<li>Next, have the user verify the code; at this time the code displayed by a 2FA-app would be: <span style="color:#00c">' . $code . '</span> (but that changes periodically)';
echo '<li>When the code checks out, 2FA can be / is enabled; store (encrypted?) secret with user and have the user verify a code each time a new session is started.';
echo '<li>When aforementioned code (' . $code . ') was entered, the result would be: ' . (($tfa->verifyCode($secret, $code) === true) ? '<span style="color:#0c0">OK</span>' : '<span style="color:#c00">FAIL</span>');
// substitute your company or app name here
$tfa = new RobThree\Auth\TwoFactorAuth('RobThree TwoFactorAuth');
?>
<li>First create a secret and associate it with a user</li>
<?php
$secret = $tfa->createSecret();
?>
<li>
Next create a QR code and let the user scan it:<br>
<img src="<?php echo $tfa->getQRCodeImageAsDataUri('Demo', $secret); ?>"><br>
...or display the secret to the user for manual entry:
<?php echo chunk_split($secret, 4, ' '); ?>
</li>
<?php
$code = $tfa->getCode($secret);
?>
<li>Next, have the user verify the code; at this time the code displayed by a 2FA-app would be: <span style="color:#00c"><?php echo $code; ?></span> (but that changes periodically)</li>
<li>When the code checks out, 2FA can be / is enabled; store (encrypted?) secret with user and have the user verify a code each time a new session is started.</li>
<li>
When aforementioned code (<?php echo $code; ?>) was entered, the result would be:
<?php if ($tfa->verifyCode($secret, $code) === true) { ?>
<span style="color:#0c0">OK</span>
<?php } else { ?>
<span style="color:#c00">FAIL</span>
<?php } ?>
</li>
</ol>
<p>Note: Make sure your server-time is <a href="http://en.wikipedia.org/wiki/Network_Time_Protocol">NTP-synced</a>! Depending on the $discrepancy allowed your time cannot drift too much from the users' time!</p>
<?php
try {
$tfa->ensureCorrectTime();
echo 'Your hosts time seems to be correct / within margin';
} catch (RobThree\Auth\TwoFactorAuthException $ex) {
echo '<b>Warning:</b> Your hosts time seems to be off: ' . $ex->getMessage();
}
try {
$tfa->ensureCorrectTime();
echo 'Your hosts time seems to be correct / within margin';
} catch (RobThree\Auth\TwoFactorAuthException $ex) {
echo '<b>Warning:</b> Your hosts time seems to be off: ' . $ex->getMessage();
}
?>
</body>
</html>
50 changes: 0 additions & 50 deletions demo/loader.php
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