new-bigly-chat/libs/auth.php

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<?php
require("../libs/test_secret.php");
function auth($token) {
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if (is_null($token)) return null;
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global $db;
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$stmt = $db->prepare("SELECT * FROM main.token WHERE token = ?");
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$stmt->execute([$token]);
$result = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$result) return null;
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$username = $result['username'];
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$stmt = $db->prepare("SELECT * FROM main.auth WHERE username = ?");
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$stmt->execute([$username]);
$result = $stmt->fetch(PDO::FETCH_ASSOC);
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if (!$result) return null;
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$stmt = $db->prepare("SELECT * FROM main.ban WHERE username = ?");
$stmt->execute([$username]);
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$result = $stmt->fetch(PDO::FETCH_ASSOC);
if (!$result) return $username;
$reason = $result['reason']; ?>
<!DOCTYPE html>
<html>
<body>
<h1>Banned</h1>
<p>You are banned for <?php echo $reason?>.</p>
</body>
</html>
<?php die();
}
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if (array_key_exists('token',$_COOKIE)) {
$username = auth($_COOKIE['token']);
}
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?>