Add Nextcloud application

1 files changed, 67 insertions, 0 deletions

diff --git a/lib/CacheWrapper.php b/lib/CacheWrapper.php
new file mode 100644
index 0000000..f705a5b
--- /dev/null
+++ b/lib/CacheWrapper.php
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * @copyright Copyright (c) 2017 Matthias Held <matthias.held@uni-konstanz.de>
+ * @author Matthias Held <matthias.held@uni-konstanz.de>
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCA\RansomwareDetection;
+
+use OC\Files\Cache\Wrapper\CacheWrapper as Wrapper;
+use OCP\Constants;
+use OCP\Files\Cache\ICache;
+use OCP\Files\Storage\IStorage;
+
+class CacheWrapper extends Wrapper
+{
+    /** @var Monitor */
+    protected $monitor;
+
+    /** @var StorageWrapper */
+    protected $storage;
+
+    /** @var int */
+    protected $mask;
+
+    /**
+     * @param ICache   $cache
+     * @param IStorage $storage
+     * @param Monitor  $monitor
+     */
+    public function __construct(
+        ICache $cache,
+        IStorage $storage,
+        Monitor $monitor
+    ) {
+        parent::__construct($cache);
+        $this->storage = $storage;
+        $this->monitor = $monitor;
+        $this->mask = Constants::PERMISSION_ALL;
+        $this->mask &= ~Constants::PERMISSION_READ;
+        $this->mask &= ~Constants::PERMISSION_CREATE;
+        $this->mask &= ~Constants::PERMISSION_UPDATE;
+    }
+
+    protected function formatCacheEntry($entry)
+    {
+        if (isset($entry['path'])) {
+            $this->monitor->analyze($this->storage, [$entry['path']], Monitor::READ);
+        }
+
+        return $entry;
+    }
+}