1 files changed, 86 insertions, 0 deletions
diff --git a/apps/files_sharing/src/public-nickname-handler.ts b/apps/files_sharing/src/public-nickname-handler.ts
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+++ b/apps/files_sharing/src/public-nickname-handler.ts
@@ -0,0 +1,86 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { getBuilder } from '@nextcloud/browser-storage'
+import { getGuestNickname, type NextcloudUser } from '@nextcloud/auth'
+import { getUploader } from '@nextcloud/upload'
+import { loadState } from '@nextcloud/initial-state'
+import { showGuestUserPrompt } from '@nextcloud/dialogs'
+import { t } from '@nextcloud/l10n'
+
+import logger from './services/logger'
+import { subscribe } from '@nextcloud/event-bus'
+
+const storage = getBuilder('files_sharing').build()
+
+// Setup file-request nickname header for the uploader
+const registerFileRequestHeader = (nickname: string) => {
+	const uploader = getUploader()
+	uploader.setCustomHeader('X-NC-Nickname', encodeURIComponent(nickname))
+	logger.debug('Nickname header registered for uploader', { headers: uploader.customHeaders })
+}
+
+// Callback when a nickname was chosen
+const onUserInfoChanged = (guest: NextcloudUser) => {
+	logger.debug('User info changed', { guest })
+	registerFileRequestHeader(guest.displayName ?? '')
+}
+
+// Monitor nickname changes
+subscribe('user:info:changed', onUserInfoChanged)
+
+window.addEventListener('DOMContentLoaded', () => {
+	const nickname = getGuestNickname() ?? ''
+	const dialogShown = storage.getItem('public-auth-prompt-shown') !== null
+
+	// Check if a nickname is mandatory
+	const isFileRequest = loadState('files_sharing', 'isFileRequest', false)
+
+	const owner = loadState('files_sharing', 'owner', '')
+	const ownerDisplayName = loadState('files_sharing', 'ownerDisplayName', '')
+	const label = loadState('files_sharing', 'label', '')
+	const filename = loadState('files_sharing', 'filename', '')
+
+	// If the owner provided a custom label, use it instead of the filename
+	const folder = label || filename
+
+	const options = {
+		nickname,
+		notice: t('files_sharing', 'To upload files to {folder}, you need to provide your name first.', { folder }),
+		subtitle: undefined as string | undefined,
+		title: t('files_sharing', 'Upload files to {folder}', { folder }),
+	}
+
+	// If the guest already has a nickname, we just make them double check
+	if (nickname) {
+		options.notice = t('files_sharing', 'Please confirm your name to upload files to {folder}', { folder })
+	}
+
+	// If the account owner set their name as public,
+	// we show it in the subtitle
+	if (owner) {
+		options.subtitle = t('files_sharing', '{ownerDisplayName} shared a folder with you.', { ownerDisplayName })
+	}
+
+	// If this is a file request, then we need a nickname
+	if (isFileRequest) {
+		// If we don't have a nickname or the public auth prompt hasn't been shown yet, show it
+		// We still show the prompt if the user has a nickname to double check
+		if (!nickname || !dialogShown) {
+			logger.debug('Showing public auth prompt.', { nickname })
+			showGuestUserPrompt(options)
+		}
+		return
+	}
+
+	if (!dialogShown && !nickname) {
+		logger.debug('Public auth prompt not shown yet but nickname is not mandatory.', { nickname })
+		return
+	}
+
+	// Else, we just register the nickname header if any.
+	logger.debug('Public auth prompt already shown.', { nickname })
+	registerFileRequestHeader(nickname)
+})