1 files changed, 164 insertions, 0 deletions
diff --git a/lib/private/Files/Node/HookConnector.php b/lib/private/Files/Node/HookConnector.php
new file mode 100644
index 00000000000..5c36ca3848e
--- /dev/null
+++ b/lib/private/Files/Node/HookConnector.php
@@ -0,0 +1,164 @@
+<?php
+/**
+ * @author Robin Appelman <icewind@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC\Files\Node;
+
+use OCP\Files\FileInfo;
+use OC\Files\Filesystem;
+use OC\Files\View;
+use OCP\Util;
+
+class HookConnector {
+	/**
+	 * @var Root
+	 */
+	private $root;
+
+	/**
+	 * @var View
+	 */
+	private $view;
+
+	/**
+	 * @var FileInfo[]
+	 */
+	private $deleteMetaCache = [];
+
+	/**
+	 * HookConnector constructor.
+	 *
+	 * @param Root $root
+	 * @param View $view
+	 */
+	public function __construct(Root $root, View $view) {
+		$this->root = $root;
+		$this->view = $view;
+	}
+
+	public function viewToNode() {
+		Util::connectHook('OC_Filesystem', 'write', $this, 'write');
+		Util::connectHook('OC_Filesystem', 'post_write', $this, 'postWrite');
+
+		Util::connectHook('OC_Filesystem', 'create', $this, 'create');
+		Util::connectHook('OC_Filesystem', 'post_create', $this, 'postCreate');
+
+		Util::connectHook('OC_Filesystem', 'delete', $this, 'delete');
+		Util::connectHook('OC_Filesystem', 'post_delete', $this, 'postDelete');
+
+		Util::connectHook('OC_Filesystem', 'rename', $this, 'rename');
+		Util::connectHook('OC_Filesystem', 'post_rename', $this, 'postRename');
+
+		Util::connectHook('OC_Filesystem', 'copy', $this, 'copy');
+		Util::connectHook('OC_Filesystem', 'post_copy', $this, 'postCopy');
+
+		Util::connectHook('OC_Filesystem', 'touch', $this, 'touch');
+		Util::connectHook('OC_Filesystem', 'post_touch', $this, 'postTouch');
+	}
+
+	public function write($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->root->emit('\OC\Files', 'preWrite', [$node]);
+	}
+
+	public function postWrite($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->root->emit('\OC\Files', 'postWrite', [$node]);
+	}
+
+	public function create($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->root->emit('\OC\Files', 'preCreate', [$node]);
+	}
+
+	public function postCreate($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->root->emit('\OC\Files', 'postCreate', [$node]);
+	}
+
+	public function delete($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->deleteMetaCache[$node->getPath()] = $node->getFileInfo();
+		$this->root->emit('\OC\Files', 'preDelete', [$node]);
+	}
+
+	public function postDelete($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		unset($this->deleteMetaCache[$node->getPath()]);
+		$this->root->emit('\OC\Files', 'postDelete', [$node]);
+	}
+
+	public function touch($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->root->emit('\OC\Files', 'preTouch', [$node]);
+	}
+
+	public function postTouch($arguments) {
+		$node = $this->getNodeForPath($arguments['path']);
+		$this->root->emit('\OC\Files', 'postTouch', [$node]);
+	}
+
+	public function rename($arguments) {
+		$source = $this->getNodeForPath($arguments['oldpath']);
+		$target = $this->getNodeForPath($arguments['newpath']);
+		$this->root->emit('\OC\Files', 'preRename', [$source, $target]);
+	}
+
+	public function postRename($arguments) {
+		$source = $this->getNodeForPath($arguments['oldpath']);
+		$target = $this->getNodeForPath($arguments['newpath']);
+		$this->root->emit('\OC\Files', 'postRename', [$source, $target]);
+	}
+
+	public function copy($arguments) {
+		$source = $this->getNodeForPath($arguments['oldpath']);
+		$target = $this->getNodeForPath($arguments['newpath']);
+		$this->root->emit('\OC\Files', 'preCopy', [$source, $target]);
+	}
+
+	public function postCopy($arguments) {
+		$source = $this->getNodeForPath($arguments['oldpath']);
+		$target = $this->getNodeForPath($arguments['newpath']);
+		$this->root->emit('\OC\Files', 'postCopy', [$source, $target]);
+	}
+
+	private function getNodeForPath($path) {
+		$info = Filesystem::getView()->getFileInfo($path);
+		if (!$info) {
+
+			$fullPath = Filesystem::getView()->getAbsolutePath($path);
+			if (isset($this->deleteMetaCache[$fullPath])) {
+				$info = $this->deleteMetaCache[$fullPath];
+			} else {
+				$info = null;
+			}
+			if (Filesystem::is_dir($path)) {
+				return new NonExistingFolder($this->root, $this->view, $fullPath, $info);
+			} else {
+				return new NonExistingFile($this->root, $this->view, $fullPath, $info);
+			}
+		}
+		if ($info->getType() === FileInfo::TYPE_FILE) {
+			return new File($this->root, $this->view, $info->getPath(), $info);
+		} else {
+			return new Folder($this->root, $this->view, $info->getPath(), $info);
+		}
+	}
+}