325 lines
8.4 KiB
PHP
325 lines
8.4 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud GmbH.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Georg Ehrke <oc.list@georgehrke.com>
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* @author Julius Härtl <jus@bitgrid.net>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Vincent Petry <vincent@nextcloud.com>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\DAV\AppInfo;
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use OC\ServerContainer;
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use OCA\DAV\CalDAV\Integration\ICalendarProvider;
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use OCA\DAV\CardDAV\Integration\IAddressBookProvider;
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use OCP\App\IAppManager;
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use OCP\AppFramework\QueryException;
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use Sabre\DAV\Collection;
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use Sabre\DAV\ServerPlugin;
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use function array_map;
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use function class_exists;
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use function is_array;
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/**
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* Manager for DAV plugins from apps, used to register them
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* to the Sabre server.
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*/
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class PluginManager {
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/**
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* @var ServerContainer
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*/
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private $container;
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/**
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* @var IAppManager
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*/
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private $appManager;
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/**
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* App plugins
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*
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* @var ServerPlugin[]
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*/
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private $plugins = [];
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/**
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* App collections
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*
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* @var Collection[]
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*/
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private $collections = [];
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/**
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* Address book plugins
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*
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* @var IAddressBookProvider[]
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*/
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private $addressBookPlugins = [];
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/**
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* Calendar plugins
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*
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* @var ICalendarProvider[]
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*/
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private $calendarPlugins = [];
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/** @var bool */
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private $populated = false;
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/**
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* Contstruct a PluginManager
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*
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* @param ServerContainer $container server container for resolving plugin classes
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* @param IAppManager $appManager app manager to loading apps and their info
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*/
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public function __construct(ServerContainer $container, IAppManager $appManager) {
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$this->container = $container;
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$this->appManager = $appManager;
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}
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/**
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* Returns an array of app-registered plugins
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*
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* @return ServerPlugin[]
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*/
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public function getAppPlugins() {
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$this->populate();
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return $this->plugins;
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}
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/**
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* Returns an array of app-registered collections
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*
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* @return array
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*/
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public function getAppCollections() {
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$this->populate();
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return $this->collections;
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}
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/**
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* @return IAddressBookProvider[]
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*/
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public function getAddressBookPlugins(): array {
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$this->populate();
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return $this->addressBookPlugins;
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}
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/**
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* Returns an array of app-registered calendar plugins
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*
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* @return ICalendarProvider[]
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*/
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public function getCalendarPlugins():array {
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$this->populate();
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return $this->calendarPlugins;
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}
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/**
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* Retrieve plugin and collection list and populate attributes
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*/
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private function populate(): void {
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if ($this->populated) {
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return;
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}
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$this->populated = true;
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foreach ($this->appManager->getInstalledApps() as $app) {
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// load plugins and collections from info.xml
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$info = $this->appManager->getAppInfo($app);
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if (!isset($info['types']) || !in_array('dav', $info['types'], true)) {
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continue;
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}
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$plugins = $this->loadSabrePluginsFromInfoXml($this->extractPluginList($info));
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foreach ($plugins as $plugin) {
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$this->plugins[] = $plugin;
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}
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$collections = $this->loadSabreCollectionsFromInfoXml($this->extractCollectionList($info));
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foreach ($collections as $collection) {
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$this->collections[] = $collection;
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}
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$addresbookPlugins = $this->loadSabreAddressBookPluginsFromInfoXml($this->extractAddressBookPluginList($info));
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foreach ($addresbookPlugins as $addresbookPlugin) {
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$this->addressBookPlugins[] = $addresbookPlugin;
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}
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$calendarPlugins = $this->loadSabreCalendarPluginsFromInfoXml($this->extractCalendarPluginList($info));
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foreach ($calendarPlugins as $calendarPlugin) {
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$this->calendarPlugins[] = $calendarPlugin;
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}
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}
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}
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/**
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* @param array $array
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* @return string[]
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*/
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private function extractPluginList(array $array): array {
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if (isset($array['sabre']) && is_array($array['sabre'])) {
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if (isset($array['sabre']['plugins']) && is_array($array['sabre']['plugins'])) {
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if (isset($array['sabre']['plugins']['plugin'])) {
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$items = $array['sabre']['plugins']['plugin'];
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if (!is_array($items)) {
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$items = [$items];
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}
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return $items;
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}
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}
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}
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return [];
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}
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/**
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* @param array $array
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* @return string[]
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*/
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private function extractCollectionList(array $array): array {
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if (isset($array['sabre']) && is_array($array['sabre'])) {
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if (isset($array['sabre']['collections']) && is_array($array['sabre']['collections'])) {
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if (isset($array['sabre']['collections']['collection'])) {
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$items = $array['sabre']['collections']['collection'];
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if (!is_array($items)) {
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$items = [$items];
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}
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return $items;
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}
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}
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}
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return [];
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}
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/**
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* @param array $array
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* @return string[]
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*/
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private function extractAddressBookPluginList(array $array): array {
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if (!isset($array['sabre']) || !is_array($array['sabre'])) {
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return [];
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}
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if (!isset($array['sabre']['address-book-plugins']) || !is_array($array['sabre']['address-book-plugins'])) {
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return [];
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}
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if (!isset($array['sabre']['address-book-plugins']['plugin'])) {
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return [];
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}
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$items = $array['sabre']['address-book-plugins']['plugin'];
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if (!is_array($items)) {
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$items = [$items];
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}
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return $items;
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}
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/**
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* @param array $array
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* @return string[]
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*/
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private function extractCalendarPluginList(array $array): array {
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if (isset($array['sabre']) && is_array($array['sabre'])) {
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if (isset($array['sabre']['calendar-plugins']) && is_array($array['sabre']['calendar-plugins'])) {
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if (isset($array['sabre']['calendar-plugins']['plugin'])) {
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$items = $array['sabre']['calendar-plugins']['plugin'];
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if (!is_array($items)) {
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$items = [$items];
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}
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return $items;
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}
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}
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}
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return [];
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}
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private function createClass(string $className): object {
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try {
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return $this->container->query($className);
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} catch (QueryException $e) {
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if (class_exists($className)) {
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return new $className();
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}
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}
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throw new \Exception('Could not load ' . $className, 0, $e);
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}
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/**
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* @param string[] $classes
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* @return ServerPlugin[]
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* @throws \Exception
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*/
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private function loadSabrePluginsFromInfoXml(array $classes): array {
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return array_map(function (string $className): ServerPlugin {
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$instance = $this->createClass($className);
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if (!($instance instanceof ServerPlugin)) {
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throw new \Exception('Sabre server plugin ' . $className . ' does not implement the ' . ServerPlugin::class . ' interface');
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}
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return $instance;
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}, $classes);
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}
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/**
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* @param string[] $classes
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* @return Collection[]
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*/
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private function loadSabreCollectionsFromInfoXml(array $classes): array {
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return array_map(function (string $className): Collection {
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$instance = $this->createClass($className);
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if (!($instance instanceof Collection)) {
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throw new \Exception('Sabre collection plugin ' . $className . ' does not implement the ' . Collection::class . ' interface');
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}
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return $instance;
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}, $classes);
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}
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/**
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* @param string[] $classes
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* @return IAddressBookProvider[]
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*/
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private function loadSabreAddressBookPluginsFromInfoXml(array $classes): array {
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return array_map(function (string $className): IAddressBookProvider {
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$instance = $this->createClass($className);
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if (!($instance instanceof IAddressBookProvider)) {
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throw new \Exception('Sabre address book plugin class ' . $className . ' does not implement the ' . IAddressBookProvider::class . ' interface');
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}
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return $instance;
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}, $classes);
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}
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/**
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* @param string[] $classes
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* @return ICalendarProvider[]
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*/
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private function loadSabreCalendarPluginsFromInfoXml(array $classes): array {
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return array_map(function (string $className): ICalendarProvider {
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$instance = $this->createClass($className);
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if (!($instance instanceof ICalendarProvider)) {
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throw new \Exception('Sabre calendar plugin class ' . $className . ' does not implement the ' . ICalendarProvider::class . ' interface');
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}
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return $instance;
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}, $classes);
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}
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}
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