metadata

2026-08-29 12:31:06 +02:00
parent d71b25f834
commit b7969b4c9e
7 changed files with 426 additions and 10 deletions
@@ -0,0 +1,138 @@
+import { expect, test, type Page } from '@playwright/test';
+import { PDFDocument, StandardFonts, rgb } from 'pdf-lib';
+import {
+	createEncryptedPdf,
+	createPdf,
+	dropFiles,
+	expectPdfDownload,
+	pdfDropzone,
+	trackPageErrors
+} from './helpers';
+
+const createPdfWithMetadata = async () => {
+	const document = await PDFDocument.create();
+	const font = await document.embedFont(StandardFonts.Helvetica);
+	for (let pageNumber = 1; pageNumber <= 2; pageNumber += 1) {
+		const page = document.addPage([420, 594]);
+		page.drawText(`Vertraulich – Seite ${pageNumber}`, {
+			x: 40,
+			y: 520,
+			size: 20,
+			font,
+			color: rgb(0.1, 0.2, 0.4)
+		});
+	}
+	document.setTitle('Schriftsatz 12. Kammer');
+	document.setAuthor('Dr. Echte Anwältin');
+	document.setSubject('Klageerwiderung');
+	document.setKeywords(['vertraulich, Mandat 4711']);
+	document.setCreator('Anwaltssoftware Pro');
+	document.setProducer('PDF-Fabrik 3.2');
+	document.setCreationDate(new Date('2024-05-06T09:12:00Z'));
+	document.setModificationDate(new Date('2024-05-07T16:40:00Z'));
+	return Buffer.from(await document.save());
+};
+
+const metadataValue = (page: Page, label: string) =>
+	page.locator(`[data-metadata-value="${label}"]`);
+
+test('metadata tool shows document properties of a dropped PDF', async ({ page }) => {
+	const pageErrors = trackPageErrors(page);
+	await page.goto('/tools/metadata');
+	await dropFiles(page, pdfDropzone(page), [
+		{
+			name: 'schriftsatz.pdf',
+			mimeType: 'application/pdf',
+			buffer: await createPdfWithMetadata()
+		}
+	]);
+
+	await expect(metadataValue(page, 'Titel')).toHaveText('Schriftsatz 12. Kammer');
+	await expect(metadataValue(page, 'Autor')).toHaveText('Dr. Echte Anwältin');
+	await expect(metadataValue(page, 'Betreff')).toHaveText('Klageerwiderung');
+	await expect(metadataValue(page, 'Schlüsselwörter')).toHaveText('vertraulich, Mandat 4711');
+	await expect(metadataValue(page, 'Erstellt mit')).toHaveText('Anwaltssoftware Pro');
+	await expect(metadataValue(page, 'PDF-Erzeuger')).toHaveText('PDF-Fabrik 3.2');
+	await expect(metadataValue(page, 'Erstellt am')).toContainText('2024');
+	await expect(metadataValue(page, 'Geändert am')).toContainText('2024');
+	await expect(metadataValue(page, 'Seiten')).toHaveText('2');
+	await expect(metadataValue(page, 'Verschlüsselung')).toHaveText('Nein');
+	expect(pageErrors).toEqual([]);
+});
+
+test('metadata tool shows a dash for empty fields', async ({ page }) => {
+	const pageErrors = trackPageErrors(page);
+	await page.goto('/tools/metadata');
+	await dropFiles(page, pdfDropzone(page), [
+		{ name: 'nackt.pdf', mimeType: 'application/pdf', buffer: await createPdf(1, 'Nackt') }
+	]);
+
+	await expect(metadataValue(page, 'Titel')).toHaveText('–');
+	await expect(metadataValue(page, 'Autor')).toHaveText('–');
+	await expect(metadataValue(page, 'Schlüsselwörter')).toHaveText('–');
+	expect(pageErrors).toEqual([]);
+});
+
+test('metadata tool downloads a cleaned PDF with empty document properties', async ({ page }) => {
+	const pageErrors = trackPageErrors(page);
+	await page.goto('/tools/metadata');
+	await dropFiles(page, pdfDropzone(page), [
+		{
+			name: 'schriftsatz.pdf',
+			mimeType: 'application/pdf',
+			buffer: await createPdfWithMetadata()
+		}
+	]);
+
+	const downloadPromise = page.waitForEvent('download');
+	await page.getByRole('button', { name: 'Bereinigt herunterladen' }).click();
+	const bytes = await expectPdfDownload(await downloadPromise, /^schriftsatz_bereinigt\.pdf$/);
+
+	const document = await PDFDocument.load(bytes, { updateMetadata: false });
+	expect((document.getTitle() ?? '').trim()).toBe('');
+	expect((document.getAuthor() ?? '').trim()).toBe('');
+	expect((document.getSubject() ?? '').trim()).toBe('');
+	expect((document.getKeywords() ?? '').trim()).toBe('');
+	expect(document.getProducer()).toBe('beA-Edit');
+	expect(document.getPageCount()).toBe(2);
+	expect(pageErrors).toEqual([]);
+});
+
+test('metadata tool rejects encrypted PDFs with a decrypt hint', async ({ page }) => {
+	const pageErrors = trackPageErrors(page);
+	await page.goto('/tools/metadata');
+	await dropFiles(page, pdfDropzone(page), [
+		{
+			name: 'geheim.pdf',
+			mimeType: 'application/pdf',
+			buffer: await createEncryptedPdf(1, 'Geheim', 'test-passwort')
+		}
+	]);
+
+	await expect(page.getByText('Dieses PDF ist verschlüsselt')).toBeVisible();
+	await expect(page.getByRole('link', { name: 'Passwort entfernen' })).toHaveAttribute(
+		'href',
+		'/tools/decrypt'
+	);
+	await expect(page.getByRole('button', { name: 'Bereinigt herunterladen' })).toBeDisabled();
+	expect(pageErrors).toEqual([]);
+});
+
+test('metadata tool warns when embedded files are suspected', async ({ page }) => {
+	const pageErrors = trackPageErrors(page);
+	const pdf = await createPdf(1, 'Anlage');
+	const withMarker = Buffer.concat([pdf, Buffer.from('\n% /EmbeddedFile\n')]);
+
+	await page.goto('/tools/metadata');
+	await dropFiles(page, pdfDropzone(page), [
+		{ name: 'mit-anlage.pdf', mimeType: 'application/pdf', buffer: withMarker }
+	]);
+
+	await expect(
+		page.getByText(
+			'Die Datei enthält möglicherweise eingebettete Anlagen. Diese werden beim Bereinigen nicht entfernt.'
+		)
+	).toBeVisible();
+	await expect(page.getByRole('button', { name: 'Bereinigt herunterladen' })).toBeEnabled();
+	expect(pageErrors).toEqual([]);
+});