feat: add download action testing

Signed-off-by: John Molakvoæ <skjnldsv@protonmail.com>

2 files changed, 267 insertions, 0 deletions

diff --git a/apps/files/src/actions/downloadAction.spec.ts b/apps/files/src/actions/downloadAction.spec.ts
new file mode 100644
index 00000000000..5d75754c50c
--- /dev/null
+++ b/apps/files/src/actions/downloadAction.spec.ts
@@ -0,0 +1,185 @@
+/**
+ * @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * 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/>.
+ *
+ */
+import { action } from './downloadAction'
+import { expect } from '@jest/globals'
+import { File, Folder, Permission } from '@nextcloud/files'
+import { FileAction } from '../services/FileAction'
+import * as eventBus from '@nextcloud/event-bus'
+import axios from '@nextcloud/axios'
+import type { Navigation } from '../services/Navigation'
+import logger from '../logger'
+
+const view = {
+	id: 'files',
+	name: 'Files',
+} as Navigation
+
+describe('Download action conditions tests', () => {
+	test('Default values', () => {
+		expect(action).toBeInstanceOf(FileAction)
+		expect(action.id).toBe('download')
+		expect(action.displayName([], view)).toBe('Download')
+		expect(action.iconSvgInline([], view)).toBe('SvgMock')
+		expect(action.order).toBe(30)
+	})
+})
+
+describe('Download action enabled tests', () => {
+	test('Enabled with READ permissions', () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt',
+			owner: 'admin',
+			mime: 'text/plain',
+			permissions: Permission.ALL,
+		})
+
+		expect(action.enabled).toBeDefined()
+		expect(action.enabled!([file], view)).toBe(true)
+	})
+
+	test('Disabled without READ permissions', () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt',
+			owner: 'admin',
+			mime: 'text/plain',
+			permissions: Permission.NONE,
+		})
+
+		expect(action.enabled).toBeDefined()
+		expect(action.enabled!([file], view)).toBe(false)
+	})
+
+	test('Disabled if not all nodes have READ permissions', () => {
+		const folder1 = new Folder({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/Foo/',
+			owner: 'admin',
+			permissions: Permission.READ,
+		})
+		const folder2 = new Folder({
+			id: 2,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/Bar/',
+			owner: 'admin',
+			permissions: Permission.NONE,
+		})
+
+		expect(action.enabled).toBeDefined()
+		expect(action.enabled!([folder1], view)).toBe(true)
+		expect(action.enabled!([folder2], view)).toBe(false)
+		expect(action.enabled!([folder1, folder2], view)).toBe(false)
+	})
+
+	test('Disabled without nodes', () => {
+		expect(action.enabled).toBeDefined()
+		expect(action.enabled!([], view)).toBe(false)
+	})
+})
+
+describe('Download action execute tests', () => {
+	const link = {
+		click: jest.fn(),
+	} as unknown as HTMLAnchorElement
+
+	beforeEach(() => {
+		jest.spyOn(document, 'createElement').mockImplementation(() => link)
+	})
+
+	test('Download single file', async () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt',
+			owner: 'admin',
+			mime: 'text/plain',
+			permissions: Permission.READ,
+		})
+
+		const exec = await action.exec(file, view, '/')
+
+		// Silent action
+		expect(exec).toBe(null)
+		expect(link.download).toEqual('')
+		expect(link.href).toEqual('https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt')
+		expect(link.click).toHaveBeenCalledTimes(1)
+	})
+
+	test('Download single file with batch', async () => {
+		const file = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt',
+			owner: 'admin',
+			mime: 'text/plain',
+			permissions: Permission.READ,
+		})
+
+		const exec = await action.execBatch!([file], view, '/')
+
+		// Silent action
+		expect(exec).toStrictEqual([null])
+		expect(link.download).toEqual('')
+		expect(link.href).toEqual('https://cloud.domain.com/remote.php/dav/files/admin/foobar.txt')
+		expect(link.click).toHaveBeenCalledTimes(1)
+	})
+
+	test('Download single folder', async () => {
+		const folder = new Folder({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/FooBar/',
+			owner: 'admin',
+			permissions: Permission.READ,
+		})
+
+		const exec = await action.exec(folder, view, '/')
+
+		// Silent action
+		expect(exec).toBe(null)
+		expect(link.download).toEqual('')
+		expect(link.href.startsWith('/index.php/apps/files/ajax/download.php?dir=%2F&files=%5B%22FooBar%22%5D&downloadStartSecret=')).toBe(true)
+		expect(link.click).toHaveBeenCalledTimes(1)
+	})
+
+	test('Download multiple nodes', async () => {
+		const file1 = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/Dir/foo.txt',
+			owner: 'admin',
+			mime: 'text/plain',
+			permissions: Permission.READ,
+		})
+		const file2 = new File({
+			id: 1,
+			source: 'https://cloud.domain.com/remote.php/dav/files/admin/Dir/bar.txt',
+			owner: 'admin',
+			mime: 'text/plain',
+			permissions: Permission.READ,
+		})
+
+		const exec = await action.execBatch!([file1, file2], view, '/Dir')
+
+		// Silent action
+		expect(exec).toStrictEqual([null, null])
+		expect(link.download).toEqual('')
+		expect(link.href.startsWith('/index.php/apps/files/ajax/download.php?dir=%2FDir&files=%5B%22foo.txt%22%2C%22bar.txt%22%5D&downloadStartSecret=')).toBe(true)
+		expect(link.click).toHaveBeenCalledTimes(1)
+	})
+})
diff --git a/apps/files/src/actions/downloadAction.ts b/apps/files/src/actions/downloadAction.ts
new file mode 100644
index 00000000000..3801553aeaa
--- /dev/null
+++ b/apps/files/src/actions/downloadAction.ts
@@ -0,0 +1,82 @@
+/**
+ * @copyright Copyright (c) 2023 John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * 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/>.
+ *
+ */
+import { emit } from '@nextcloud/event-bus'
+import { Permission, Node, FileType } from '@nextcloud/files'
+import { translate as t } from '@nextcloud/l10n'
+import ArrowDown from '@mdi/svg/svg/arrow-down.svg?raw'
+
+import { registerFileAction, FileAction } from '../services/FileAction'
+import { generateUrl } from '@nextcloud/router'
+import type { Navigation } from '../services/Navigation'
+
+const triggerDownload = function(url: string) {
+	const hiddenElement = document.createElement('a')
+	hiddenElement.download = ''
+	hiddenElement.href = url
+	hiddenElement.click()
+}
+
+const downloadNodes = function(dir: string, nodes: Node[]) {
+	const secret = Math.random().toString(36).substring(2)
+	const url = generateUrl('/apps/files/ajax/download.php?dir={dir}&files={files}&downloadStartSecret={secret}', {
+		dir,
+		secret,
+		files: JSON.stringify(nodes.map(node => node.basename)),
+	})
+	triggerDownload(url)
+}
+
+export const action = new FileAction({
+	id: 'download',
+	displayName: () => t('files', 'Download'),
+	iconSvgInline: () => ArrowDown,
+
+	enabled(nodes: Node[]) {
+		return nodes.length > 0 && nodes
+			.map(node => node.permissions)
+			.every(permission => (permission & Permission.READ) !== 0)
+	},
+
+	async exec(node: Node, view: Navigation, dir: string) {
+		if (node.type === FileType.Folder) {
+			downloadNodes(dir, [node])
+			return null
+		}
+
+		triggerDownload(node.source)
+		return null
+	},
+
+	async execBatch(nodes: Node[], view: Navigation, dir: string) {
+		if (nodes.length === 1) {
+			this.exec(nodes[0], view, dir)
+			return [null]
+		}
+
+		downloadNodes(dir, nodes)
+		return new Array(nodes.length).fill(null)
+	},
+
+	order: 30,
+})
+
+registerFileAction(action)