1 files changed, 62 insertions, 0 deletions
diff --git a/lib/private/Security/CSRF/TokenStorage/SessionStorage.php b/lib/private/Security/CSRF/TokenStorage/SessionStorage.php
new file mode 100644
index 00000000000..1f0f8bcaa0a
--- /dev/null
+++ b/lib/private/Security/CSRF/TokenStorage/SessionStorage.php
@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\Security\CSRF\TokenStorage;
+
+use OCP\ISession;
+
+/**
+ * Class SessionStorage provides the session storage
+ *
+ * @package OC\Security\CSRF\TokenStorage
+ */
+class SessionStorage {
+	public function __construct(
+		private ISession $session,
+	) {
+	}
+
+	public function setSession(ISession $session): void {
+		$this->session = $session;
+	}
+
+	/**
+	 * Returns the current token or throws an exception if none is found.
+	 *
+	 * @throws \Exception
+	 */
+	public function getToken(): string {
+		$token = $this->session->get('requesttoken');
+		if (empty($token)) {
+			throw new \Exception('Session does not contain a requesttoken');
+		}
+
+		return $token;
+	}
+
+	/**
+	 * Set the valid current token to $value.
+	 */
+	public function setToken(string $value): void {
+		$this->session->set('requesttoken', $value);
+	}
+
+	/**
+	 * Removes the current token.
+	 */
+	public function removeToken(): void {
+		$this->session->remove('requesttoken');
+	}
+
+	/**
+	 * Whether the storage has a storage.
+	 */
+	public function hasToken(): bool {
+		return $this->session->exists('requesttoken');
+	}
+}