17 lines
No EOL
552 B
PHP
17 lines
No EOL
552 B
PHP
<?php
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class Security {
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// CSRF Generation
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public static function csrf() {
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if (empty($_SESSION['csrf_token'])) {
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$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
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}
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return $_SESSION['csrf_token'];
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}
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// CSRF Validation
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public static function checkCsrf($token) {
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if (!isset($_SESSION['csrf_token']) || !hash_equals($_SESSION['csrf_token'], (string)$token)) {
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throw new Exception("Sicherheits-Token ungültig. Bitte lade die Seite neu.");
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}
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return true;
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}
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} |