UPSTREAM BASELINE: nextcloud/spreed v22.0.12 (без изменений)

Источник: https://github.com/nextcloud/spreed/archive/refs/tags/v22.0.12.tar.gz
С этого коммита ветка официального Nextcloud Talk отрезана (решение владельца 2026-07-06).
Все дальнейшие изменения — только наши; версии релизов: 22.0.12-f7.N.

lib/PublicShare/TemplateLoader.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\PublicShare;
+
+use OCA\Files_Sharing\Event\BeforeTemplateRenderedEvent;
+use OCA\Talk\AppInfo\Application;
+use OCA\Talk\Config;
+use OCA\Talk\TInitialState;
+use OCP\AppFramework\Services\IInitialState;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Files\FileInfo;
+use OCP\ICacheFactory;
+use OCP\IConfig;
+use OCP\IGroupManager;
+use OCP\Util;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Helper class to extend the "publicshare" template from the server.
+ *
+ * The additional scripts modify the page in the browser to inject the Talk UI as needed.
+ *
+ * @template-implements IEventListener<Event>
+ */
+class TemplateLoader implements IEventListener {
+	use TInitialState;
+
+	public function __construct(
+		IInitialState $initialState,
+		ICacheFactory $memcacheFactory,
+		Config $talkConfig,
+		IConfig $serverConfig,
+		IGroupManager $groupManager,
+		LoggerInterface $logger,
+	) {
+		$this->initialState = $initialState;
+		$this->talkConfig = $talkConfig;
+		$this->memcacheFactory = $memcacheFactory;
+		$this->serverConfig = $serverConfig;
+		$this->groupManager = $groupManager;
+		$this->logger = $logger;
+	}
+
+	/**
+	 * Load the "Talk sidebar" UI in the public share page for the given share.
+	 * @param Event $event
+	 */
+	#[\Override]
+	public function handle(Event $event): void {
+		if (!$event instanceof BeforeTemplateRenderedEvent) {
+			return;
+		}
+
+		if ($event->getScope() !== null) {
+			// If the event has a scope, it's not the default share page, but e.g. authentication
+			return;
+		}
+
+		if ($this->serverConfig->getAppValue('spreed', 'conversations_files', '1') !== '1'
+			|| $this->serverConfig->getAppValue('spreed', 'conversations_files_public_shares', '1') !== '1') {
+			return;
+		}
+
+		$share = $event->getShare();
+		if ($share->getNodeType() !== FileInfo::TYPE_FILE) {
+			return;
+		}
+
+		Util::addStyle(Application::APP_ID, 'talk-icons');
+		Util::addScript(Application::APP_ID, 'talk-public-share-sidebar');
+		Util::addStyle(Application::APP_ID, 'talk-public-share-sidebar');
+
+		$this->publishInitialStateForGuest();
+	}
+}