--- /dev/null
+<?php
+/**
+ * @copyright Copyright (c) 2023 Claus-Justus Heine
+ *
+ * @author Claus-Justus Heine <himself@claus-justus-heine.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\DAV\Connector\Sabre;
+
+use Sabre\DAV\Server;
+use Sabre\DAV\ServerPlugin;
+use Sabre\HTTP\RequestInterface;
+use Sabre\HTTP\ResponseInterface;
+
+/**
+ * A plugin which tries to work-around peculiarities of the MacOS DAV client
+ * apps. The following problems are addressed:
+ *
+ * - OSX calendar client sends REPORT requests to a random principal
+ * collection but expects to find all principals (forgot to set
+ * {DAV:}principal-property-search flag?)
+ */
+class AppleQuirksPlugin extends ServerPlugin {
+
+ /*
+ private const OSX_CALENDAR_AGENT = 'CalendarAgent';
+ private const OSX_DATAACCESSD_AGENT = 'dataaccessd';
+ private const OSX_ACCOUNTSD_AGENT = 'accountsd';
+ private const OSX_CONTACTS_AGENT = 'AddressBookCore';
+ */
+
+ private const OSX_AGENT_PREFIX = 'macOS';
+
+ /** @var bool */
+ private $isMacOSDavAgent = false;
+
+ /**
+ * Sets up the plugin.
+ *
+ * This method is automatically called by the server class.
+ *
+ * @return void
+ */
+ public function initialize(Server $server)
+ {
+ $server->on('beforeMethod:REPORT', [$this, 'beforeReport'], 0);
+ $server->on('report', [$this, 'report'], 0);
+ }
+
+ /**
+ * Triggered before any method is handled.
+ *
+ * @return void
+ */
+ public function beforeReport(RequestInterface $request, ResponseInterface $response)
+ {
+ $userAgent = $request->getRawServerValue('HTTP_USER_AGENT') ?? 'unknown';
+ $this->isMacOSDavAgent = $this->isMacOSUserAgent($userAgent);
+ }
+
+ /**
+ * This method handles HTTP REPORT requests.
+ *
+ * @param string $reportName
+ * @param mixed $report
+ * @param mixed $path
+ *
+ * @return bool
+ */
+ public function report($reportName, $report, $path)
+ {
+ if ($reportName == '{DAV:}principal-property-search' && $this->isMacOSDavAgent) {
+ /** @var \Sabre\DAVACL\Xml\Request\PrincipalPropertySearchReport $report */
+ $report->applyToPrincipalCollectionSet = true;
+ }
+ return true;
+ }
+
+ /**
+ * Check whether the given $userAgent string pretends to originate from OSX.
+ *
+ * @param string $userAgent
+ *
+ * @return bool
+ */
+ protected function isMacOSUserAgent(string $userAgent):bool
+ {
+ return str_starts_with(self::OSX_AGENT_PREFIX, $userAgent);
+ }
+
+ /**
+ * Decode the given OSX DAV agent string.
+ *
+ * @param string $agent
+ *
+ * @return null|array
+ */
+ protected function decodeMacOSAgentString(string $userAgent):?array
+ {
+ // OSX agent string is like: macOS/13.2.1 (22D68) dataaccessd/1.0
+ if (preg_match('|^' . self::OSX_AGENT_PREFIX . '/([0-9]+)\\.([0-9]+)\\.([0-9]+)\s+\((\w+)\)\s+([^/]+)/([0-9]+)(?:\\.([0-9]+))?(?:\\.([0-9]+))?$|i', $userAgent, $matches)) {
+ return [
+ 'macOSVersion' => [
+ 'major' => $matches[1],
+ 'minor' => $matches[2],
+ 'patch' => $matches[3],
+ ],
+ 'macOSAgent' => $matches[5],
+ 'macOSAgentVersion' => [
+ 'major' => $matches[6],
+ 'minor' => $matches[7] ?? null,
+ 'patch' => $matches[8] ?? null,
+ ],
+ ];
+ }
+ return null;
+ }
+}
projects / nextcloud-server.git / commitdiff