fix(files_sharing): prevent double-escaping of display names in sharing UI

apps/files_sharing/src/components/SharingEntry.vue

@@ -93,7 +93,7 @@ export default {
 			if (!this.isShareOwner && this.share.ownerDisplayName) {
 				title += ' ' + t('files_sharing', 'by {initiator}', {
 					initiator: this.share.ownerDisplayName,
-				})
+				}, undefined, { escape: false })
 			}
 			return title
 		},
@@ -107,12 +107,12 @@ export default {
 					owner: this.share.ownerDisplayName,
 				}
 				if (this.share.type === ShareType.Group) {
-					return t('files_sharing', 'Shared with the group {user} by {owner}', data)
+					return t('files_sharing', 'Shared with the group {user} by {owner}', data, undefined, { escape: false })
 				} else if (this.share.type === ShareType.Room) {
-					return t('files_sharing', 'Shared with the conversation {user} by {owner}', data)
+					return t('files_sharing', 'Shared with the conversation {user} by {owner}', data, undefined, { escape: false })
 				}
 
-				return t('files_sharing', 'Shared with {user} by {owner}', data)
+				return t('files_sharing', 'Shared with {user} by {owner}', data, undefined, { escape: false })
 			}
 			return null
 		},

apps/files_sharing/src/components/SharingEntryInherited.vue

@@ -15,13 +15,13 @@
 				class="sharing-entry__avatar" />
 		</template>
 		<NcActionText icon="icon-user">
-			{{ t('files_sharing', 'Added by {initiator}', { initiator: share.ownerDisplayName }) }}
+			{{ t('files_sharing', 'Added by {initiator}', { initiator: share.ownerDisplayName }, undefined, { escape: false }) }}
 		</NcActionText>
 		<NcActionLink
 			v-if="share.viaPath && share.viaFileid"
 			icon="icon-folder"
 			:href="viaFileTargetUrl">
-			{{ t('files_sharing', 'Via “{folder}”', { folder: viaFolderName }) }}
+			{{ t('files_sharing', 'Via “{folder}”', { folder: viaFolderName }, undefined, { escape: false }) }}
 		</NcActionLink>
 		<NcActionButton
 			v-if="share.canDelete"

apps/files_sharing/src/files_actions/sharingStatusAction.spec.ts

@@ -0,0 +1,109 @@
+/*!
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import type { IFolder, IView } from '@nextcloud/files'
+
+import { File, Permission } from '@nextcloud/files'
+import { ShareType } from '@nextcloud/sharing'
+import { beforeAll, describe, expect, test, vi } from 'vitest'
+import { action } from './sharingStatusAction.ts'
+
+vi.mock('@nextcloud/auth', () => ({
+	getCurrentUser: vi.fn(() => ({ uid: 'admin' })),
+}))
+
+vi.mock('@nextcloud/sharing/public', () => ({
+	isPublicShare: vi.fn(() => false),
+}))
+
+const view = {
+	id: 'files',
+	name: 'Files',
+} as IView
+
+beforeAll(() => {
+	(window as any)._oc_webroot = ''
+})
+
+describe('Sharing status action title tests', () => {
+	test('Title does not double-escape special characters in owner display name', () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/SharedFolder',
+			owner: 'testuser',
+			mime: 'httpd/unix-directory',
+			permissions: Permission.ALL,
+			root: '/files/admin',
+			attributes: {
+				'owner-display-name': 'bits & trees',
+				'share-types': [ShareType.User],
+			},
+		})
+
+		const title = action.title!({
+			nodes: [file],
+			view,
+			folder: {} as IFolder,
+			contents: [],
+		})
+
+		expect(title).toBe('Shared by bits & trees')
+		expect(title).not.toContain('&')
+	})
+
+	test('Title does not double-escape special characters in sharee display name', () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/SharedFolder',
+			owner: 'admin',
+			mime: 'httpd/unix-directory',
+			permissions: Permission.ALL | Permission.SHARE,
+			root: '/files/admin',
+			attributes: {
+				'share-types': [ShareType.User],
+				sharees: {
+					sharee: [{ id: 'bob', 'display-name': 'Bob & Alice', type: ShareType.User }],
+				},
+			},
+		})
+
+		const title = action.title!({
+			nodes: [file],
+			view,
+			folder: {} as IFolder,
+			contents: [],
+		})
+
+		expect(title).toBe('Shared with Bob & Alice')
+		expect(title).not.toContain('&')
+	})
+
+	test('Title does not double-escape special characters in group display name', () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/SharedFolder',
+			owner: 'admin',
+			mime: 'httpd/unix-directory',
+			permissions: Permission.ALL | Permission.SHARE,
+			root: '/files/admin',
+			attributes: {
+				'share-types': [ShareType.Group],
+				sharees: {
+					sharee: [{ id: 'dev-group', 'display-name': 'Dev & Ops', type: ShareType.Group }],
+				},
+			},
+		})
+
+		const title = action.title!({
+			nodes: [file],
+			view,
+			folder: {} as IFolder,
+			contents: [],
+		})
+
+		expect(title).toBe('Shared with group Dev & Ops')
+		expect(title).not.toContain('&')
+	})
+})

apps/files_sharing/src/files_actions/sharingStatusAction.ts

@@ -47,7 +47,7 @@ export const action: IFileAction = {
 		const node = nodes[0]!
 		if (node.owner && (node.owner !== getCurrentUser()?.uid || isExternal(node))) {
 			const ownerDisplayName = node?.attributes?.['owner-display-name']
-			return t('files_sharing', 'Shared by {ownerDisplayName}', { ownerDisplayName })
+			return t('files_sharing', 'Shared by {ownerDisplayName}', { ownerDisplayName }, undefined, { escape: false })
 		}
 
 		const shareTypes = Object.values(node?.attributes?.['share-types'] || {}).flat() as number[]
@@ -64,9 +64,9 @@ export const action: IFileAction = {
 		const sharee = [sharees].flat()[0] // the property is sometimes weirdly normalized, so we need to compensate
 		switch (sharee?.type) {
 			case ShareType.User:
-				return t('files_sharing', 'Shared with {user}', { user: sharee['display-name'] })
+				return t('files_sharing', 'Shared with {user}', { user: sharee['display-name'] }, undefined, { escape: false })
 			case ShareType.Group:
-				return t('files_sharing', 'Shared with group {group}', { group: sharee['display-name'] ?? sharee.id })
+				return t('files_sharing', 'Shared with group {group}', { group: sharee['display-name'] ?? sharee.id }, undefined, { escape: false })
 			default:
 				return t('files_sharing', 'Shared with others')
 		}