Pluggable share provider

Signed-off-by: Carl Schwan <carl@carlschwan.eu>
Signed-off-by: Louis Chemineau <louis@chmn.me>

1 files changed, 63 insertions, 0 deletions

diff --git a/lib/private/Share20/PublicShareTemplateFactory.php b/lib/private/Share20/PublicShareTemplateFactory.php
new file mode 100644
index 00000000000..222f327496a
--- /dev/null
+++ b/lib/private/Share20/PublicShareTemplateFactory.php
@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2023 Louis Chemineau <louis@chmn.me>
+ *
+ * @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 OC\Share20;
+
+use Exception;
+use OC\AppFramework\Bootstrap\Coordinator;
+use OCA\Files_Sharing\DefaultPublicShareTemplateProvider;
+use OCP\Server;
+use OCP\Share\IShare;
+use OCP\Share\IPublicShareTemplateFactory;
+use OCP\Share\IPublicShareTemplateProvider;
+
+class PublicShareTemplateFactory implements IPublicShareTemplateFactory {
+	public function __construct(
+		private Coordinator $coordinator,
+		private DefaultPublicShareTemplateProvider $defaultProvider,
+	) {
+	}
+
+	public function getProvider(IShare $share): IPublicShareTemplateProvider {
+		$context = $this->coordinator->getRegistrationContext();
+		if ($context === null) {
+			throw new Exception("Can't retrieve public share template providers as context is not defined");
+		}
+
+		$providers = array_map(
+			fn ($registration) => Server::get($registration->getService()),
+			$context->getPublicShareTemplateProviders()
+		);
+
+		$filteredProviders = array_filter(
+			$providers,
+			fn (IPublicShareTemplateProvider $provider) => $provider->shouldRespond($share)
+		);
+
+		if (count($filteredProviders) === 0) {
+			return $this->defaultProvider;
+		} else {
+			return array_shift($filteredProviders);
+		}
+	}
+}