1 files changed, 105 insertions, 0 deletions
diff --git a/lib/private/legacy/OC_JSON.php b/lib/private/legacy/OC_JSON.php
new file mode 100644
index 00000000000..6daef18dd61
--- /dev/null
+++ b/lib/private/legacy/OC_JSON.php
@@ -0,0 +1,105 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+use OC\Authentication\TwoFactorAuth\Manager as TwoFactorAuthManager;
+
+class OC_JSON {
+	/**
+	 * Check if the app is enabled, send json error msg if not
+	 * @param string $app
+	 * @deprecated 12.0.0 Use the AppFramework instead. It will automatically check if the app is enabled.
+	 * @suppress PhanDeprecatedFunction
+	 */
+	public static function checkAppEnabled($app) {
+		if (!\OC::$server->getAppManager()->isEnabledForUser($app)) {
+			$l = \OC::$server->getL10N('lib');
+			self::error([ 'data' => [ 'message' => $l->t('Application is not enabled'), 'error' => 'application_not_enabled' ]]);
+			exit();
+		}
+	}
+
+	/**
+	 * Check if the user is logged in, send json error msg if not
+	 * @deprecated 12.0.0 Use annotation based ACLs from the AppFramework instead
+	 * @suppress PhanDeprecatedFunction
+	 */
+	public static function checkLoggedIn() {
+		$twoFactorAuthManger = \OC::$server->get(TwoFactorAuthManager::class);
+		if (!\OC::$server->getUserSession()->isLoggedIn()
+			|| $twoFactorAuthManger->needsSecondFactor(\OC::$server->getUserSession()->getUser())) {
+			$l = \OC::$server->getL10N('lib');
+			http_response_code(\OCP\AppFramework\Http::STATUS_UNAUTHORIZED);
+			self::error([ 'data' => [ 'message' => $l->t('Authentication error'), 'error' => 'authentication_error' ]]);
+			exit();
+		}
+	}
+
+	/**
+	 * Check an ajax get/post call if the request token is valid, send json error msg if not.
+	 * @deprecated 12.0.0 Use annotation based CSRF checks from the AppFramework instead
+	 * @suppress PhanDeprecatedFunction
+	 */
+	public static function callCheck() {
+		if (!\OC::$server->getRequest()->passesStrictCookieCheck()) {
+			header('Location: ' . \OC::$WEBROOT);
+			exit();
+		}
+
+		if (!\OC::$server->getRequest()->passesCSRFCheck()) {
+			$l = \OC::$server->getL10N('lib');
+			self::error([ 'data' => [ 'message' => $l->t('Token expired. Please reload page.'), 'error' => 'token_expired' ]]);
+			exit();
+		}
+	}
+
+	/**
+	 * Check if the user is a admin, send json error msg if not.
+	 * @deprecated 12.0.0 Use annotation based ACLs from the AppFramework instead
+	 * @suppress PhanDeprecatedFunction
+	 */
+	public static function checkAdminUser() {
+		if (!OC_User::isAdminUser(OC_User::getUser())) {
+			$l = \OC::$server->getL10N('lib');
+			self::error([ 'data' => [ 'message' => $l->t('Authentication error'), 'error' => 'authentication_error' ]]);
+			exit();
+		}
+	}
+
+	/**
+	 * Send json error msg
+	 * @deprecated 12.0.0 Use a AppFramework JSONResponse instead
+	 * @suppress PhanDeprecatedFunction
+	 */
+	public static function error($data = []) {
+		$data['status'] = 'error';
+		header('Content-Type: application/json; charset=utf-8');
+		echo self::encode($data);
+	}
+
+	/**
+	 * Send json success msg
+	 * @deprecated 12.0.0 Use a AppFramework JSONResponse instead
+	 * @suppress PhanDeprecatedFunction
+	 */
+	public static function success($data = []) {
+		$data['status'] = 'success';
+		header('Content-Type: application/json; charset=utf-8');
+		echo self::encode($data);
+	}
+
+	/**
+	 * Encode JSON
+	 * @deprecated 12.0.0 Use a AppFramework JSONResponse instead
+	 *
+	 * @psalm-taint-escape has_quotes
+	 * @psalm-taint-escape html
+	 */
+	private static function encode($data) {
+		return json_encode($data, JSON_HEX_TAG);
+	}
+}