fix: add ACLs for calender delegation

Signed-off-by: Hamza <hamzamahjoubi221@gmail.com>

Author: hamza221

apps/dav/composer/composer/autoload_classmap.php

@@ -50,6 +50,8 @@
     'OCA\\DAV\\CalDAV\\Outbox' => $baseDir . '/../lib/CalDAV/Outbox.php',
     'OCA\\DAV\\CalDAV\\Plugin' => $baseDir . '/../lib/CalDAV/Plugin.php',
     'OCA\\DAV\\CalDAV\\Principal\\Collection' => $baseDir . '/../lib/CalDAV/Principal/Collection.php',
+    'OCA\\DAV\\CalDAV\\Principal\\ProxyRead' => $baseDir . '/../lib/CalDAV/Principal/ProxyRead.php',
+    'OCA\\DAV\\CalDAV\\Principal\\ProxyWrite' => $baseDir . '/../lib/CalDAV/Principal/ProxyWrite.php',
     'OCA\\DAV\\CalDAV\\Principal\\User' => $baseDir . '/../lib/CalDAV/Principal/User.php',
     'OCA\\DAV\\CalDAV\\Proxy\\Proxy' => $baseDir . '/../lib/CalDAV/Proxy/Proxy.php',
     'OCA\\DAV\\CalDAV\\Proxy\\ProxyMapper' => $baseDir . '/../lib/CalDAV/Proxy/ProxyMapper.php',

apps/dav/composer/composer/autoload_static.php

@@ -65,6 +65,8 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\CalDAV\\Outbox' => __DIR__ . '/..' . '/../lib/CalDAV/Outbox.php',
         'OCA\\DAV\\CalDAV\\Plugin' => __DIR__ . '/..' . '/../lib/CalDAV/Plugin.php',
         'OCA\\DAV\\CalDAV\\Principal\\Collection' => __DIR__ . '/..' . '/../lib/CalDAV/Principal/Collection.php',
+        'OCA\\DAV\\CalDAV\\Principal\\ProxyRead' => __DIR__ . '/..' . '/../lib/CalDAV/Principal/ProxyRead.php',
+        'OCA\\DAV\\CalDAV\\Principal\\ProxyWrite' => __DIR__ . '/..' . '/../lib/CalDAV/Principal/ProxyWrite.php',
         'OCA\\DAV\\CalDAV\\Principal\\User' => __DIR__ . '/..' . '/../lib/CalDAV/Principal/User.php',
         'OCA\\DAV\\CalDAV\\Proxy\\Proxy' => __DIR__ . '/..' . '/../lib/CalDAV/Proxy/Proxy.php',
         'OCA\\DAV\\CalDAV\\Proxy\\ProxyMapper' => __DIR__ . '/..' . '/../lib/CalDAV/Proxy/ProxyMapper.php',

apps/dav/lib/CalDAV/Principal/ProxyRead.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\CalDAV\Principal;
+
+use Sabre\DAVACL;
+
+class ProxyRead extends \Sabre\CalDAV\Principal\ProxyRead implements DAVACL\IACL {
+	use DAVACL\ACLTrait;
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getOwner() {
+		return $this->principalInfo['uri'];
+	}
+}

apps/dav/lib/CalDAV/Principal/ProxyWrite.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\CalDAV\Principal;
+
+use Sabre\DAVACL;
+
+class ProxyWrite extends \Sabre\CalDAV\Principal\ProxyWrite implements DAVACL\IACL {
+	use DAVACL\ACLTrait;
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getOwner() {
+		return $this->principalInfo['uri'];
+	}
+}

apps/dav/lib/CalDAV/Principal/User.php

@@ -52,4 +52,44 @@ public function getACL() {
 		];
 		return $acl;
 	}
+
+	/**
+	 * Returns a specific child node, referenced by its name.
+	 *
+	 * @param string $name
+	 *
+	 * @return \Sabre\DAV\INode
+	 */
+	public function getChild($name) {
+		$principal = $this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/' . $name);
+		if (!$principal) {
+			throw new \Sabre\DAV\Exception\NotFound("Node with name $name was not found");
+		}
+		if ($name === 'calendar-proxy-read') {
+			return new ProxyRead($this->principalBackend, $this->principalProperties);
+		}
+
+		if ($name === 'calendar-proxy-write') {
+			return new ProxyWrite($this->principalBackend, $this->principalProperties);
+		}
+
+		throw new \Sabre\DAV\Exception\NotFound("Node with name $name was not found");
+	}
+
+	/**
+	 * Returns an array with all the child nodes.
+	 *
+	 * @return \Sabre\DAV\INode[]
+	 */
+	public function getChildren() {
+		$r = [];
+		if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-read')) {
+			$r[] = new ProxyRead($this->principalBackend, $this->principalProperties);
+		}
+		if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-write')) {
+			$r[] = new ProxyWrite($this->principalBackend, $this->principalProperties);
+		}
+
+		return $r;
+	}
 }