djpbessems/lucidAuth
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First iteration of using cookies to store session/securetoken

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This commit is contained in:
djpbessems 2019-01-24 17:17:53 +01:00
parent 579403c127
commit 118e45db9c
4 changed files with 20 additions and 16 deletions
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18
include/lucidAuth.functions.php
View File

@ -62,11 +62,11 @@ function retrieveTokenFromDB (string $username, string $foo) {
}
function validateToken (array $cookieData) {
function validateToken (string $secureToken) {
global $settings;
try {
$jwtPayload = JWT::decode($cookieData['token'], base64_decode($settings->JWT['PrivateKey_base64']), $settings->JWT['Algorithm']);
$jwtPayload = JWT::decode($secureToken, base64_decode($settings->JWT['PrivateKey_base64']), $settings->JWT['Algorithm']);
} catch (Exception $e) {
// Invalid token, inform client (client should handle discarding invalid token)
return ['status' => 'Fail', 'reason' => '3'];
@ -80,17 +80,19 @@ function validateToken (array $cookieData) {
WHERE User.Username = :username
');
$pdoQuery->execute([
'username' => ($_COOKIE['Sub'] ?? "Danny")
'username' => $jwtPayload['sub']
]);
foreach($pdoQuery->fetchAll(PDO::FETCH_ASSOC) as $row) {
$tokens[] = $row['Payload'];
$storedTokens[] = $row['Payload'];
}
print_r($tokens);
# if ($pdoResult['Username'])
print_r($storedTokens);
# if (!empty($storedTokens) && <in_array or array_walk to determine if any of the stored tokens match>) {
# }
If ($cookieData['Exp'] < time()) {
// Expired cookie (shouldn't the browser disregard it?)
If ($secureToken['iat'] < (time() - $settings->Session['Duration'])) {
// Expired token (shouldn't the browser disregard it?)
return ['status' => 'Fail', 'reason' => '3'];
}

9
lucidAuth.config.php.example
View File

@ -29,16 +29,17 @@ return (object) array(
// File containing your <externalresource> token
'JWT' => [
'PrivateKey_base64' => 'result of base64_encode(<longrandomstring>)',
'PrivateKey_base64' => '',
// A base64-encoded string of a random string (see https://www.base64encode.org/)
'Algorithm' => [
'HS256',
]
],
'Cookie' => [
'Duration' => 2592000,
'Session' => [
'Duration' => 2592000,
// In seconds (2592000 is equivalent to 30 days)
# 'Prefix' => 'lucidAuth_'
# 'CookiePrefix' => 'lucidAuth_'
],
'Debug' => [

5
public/lucidAuth.login.php
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@ -6,6 +6,9 @@
if ($_POST['do'] == 'login') {
$result = authenticateLDAP($_POST['username'], $_POST['password']);
if ($result['status'] == 'Success') {
// Save secure token in cookie
setcookie('JWT', $result['token'], (time() + $settings->Session['Duration']));
// Convert base64 encoded string back from JSON;
// forcing it into an associative array (instead of javascript's default StdClass object)
try {
@ -16,7 +19,7 @@
echo '{"Result":"Fail","Reason":"Original request URI lost in transition"}' . PHP_EOL;
exit;
}
$originalUri = !empty($proxyHeaders) ? $proxyHeaders['XForwardedProto'] . '://' . $proxyHeaders['XForwardedHost'] . $proxyHeaders['XForwardedUri'] : '#';
$originalUri = !empty($proxyHeaders) ? $proxyHeaders['XForwardedProto'] . '://' . $proxyHeaders['XForwardedHost'] . $proxyHeaders['XForwardedUri'] : 'lucidAuth.manage.php';
// Since this request is only ever called through an AJAX-request; return JSON object
echo '{"Result":"Success","Location":"' . $originalUri . '"}' . PHP_EOL;

4
public/lucidAuth.validateRequest.php
View File

@ -28,9 +28,7 @@
exit;
}
if ((!empty($_COOKIE['Exp']) && !empty($_COOKIE['Sub']) && !empty($_COOKIE['JWT'])) && validateToken([
'Exp' => $_COOKIE['Exp'],
'Sub' => $_COOKIE['Sub'],
if (!empty($_COOKIE['JWT']) && validateToken([
'JWT' => $_COOKIE['JWT']
])['status'] == "Success") {
// Valid authentication token found