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/Controller/GuestController.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Controller;
+
+use OCA\Talk\GuestManager;
+use OCA\Talk\Middleware\Attribute\RequireParticipant;
+use OCA\Talk\Participant;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\PublicPage;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\IRequest;
+
+class GuestController extends AEnvironmentAwareOCSController {
+
+	public function __construct(
+		string $appName,
+		IRequest $request,
+		private GuestManager $guestManager,
+	) {
+		parent::__construct($appName, $request);
+	}
+
+	/**
+	 * Set the display name as a guest
+	 *
+	 * @param string $displayName New display name
+	 * @return DataResponse<Http::STATUS_OK|Http::STATUS_FORBIDDEN|Http::STATUS_NOT_FOUND, null, array{}>
+	 *
+	 * 200: Display name updated successfully
+	 * 403: Not a guest
+	 * 404: Not a participant
+	 */
+	#[PublicPage]
+	#[RequireParticipant]
+	public function setDisplayName(string $displayName): DataResponse {
+		$participant = $this->getParticipant();
+		if (!$participant instanceof Participant) {
+			return new DataResponse(null, Http::STATUS_NOT_FOUND);
+		}
+
+		if (!$participant->isGuest()) {
+			return new DataResponse(null, Http::STATUS_FORBIDDEN);
+		}
+
+		$this->guestManager->updateName($this->getRoom(), $participant, $displayName);
+
+		return new DataResponse(null);
+	}
+}