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fix: normalize and flatten annotations

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This commit is contained in:
Mythie
2024-03-27 17:20:52 +07:00
parent 4d2228f679
commit b491bd4db9
4 changed files with 160 additions and 82 deletions
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33
packages/lib/server-only/document/seal-document.ts
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@ -2,7 +2,7 @@
import { nanoid } from 'nanoid';
import path from 'node:path';
import { PDFDocument, PDFSignature, rectangle } from 'pdf-lib';
import { PDFDocument } from 'pdf-lib';
import PostHogServerClient from '@documenso/lib/server-only/feature-flags/get-post-hog-server-client';
import { DOCUMENT_AUDIT_LOG_TYPE } from '@documenso/lib/types/document-audit-logs';
@ -15,7 +15,9 @@ import { signPdf } from '@documenso/signing';
import type { RequestMetadata } from '../../universal/extract-request-metadata';
import { getFile } from '../../universal/upload/get-file';
import { putFile } from '../../universal/upload/put-file';
import { flattenAnnotations } from '../pdf/flatten-annotations';
import { insertFieldInPDF } from '../pdf/insert-field-in-pdf';
import { normalizeSignatureAppearances } from '../pdf/normalize-signature-appearances';
import { triggerWebhook } from '../webhooks/trigger/trigger-webhook';
import { sendCompletedEmail } from './send-completed-email';
@ -91,31 +93,10 @@ export const sealDocument = async ({
const doc = await PDFDocument.load(pdfData);
const form = doc.getForm();
// Remove old signatures
for (const field of form.getFields()) {
if (field instanceof PDFSignature) {
field.acroField.getWidgets().forEach((widget) => {
widget.ensureAP();
try {
widget.getNormalAppearance();
} catch (e) {
const { context } = widget.dict;
const xobj = context.formXObject([rectangle(0, 0, 0, 0)]);
const streamRef = context.register(xobj);
widget.setNormalAppearance(streamRef);
}
});
}
}
// Flatten the form to stop annotation layers from appearing above documenso fields
form.flatten();
// Normalize and flatten layers that could cause issues with the signature
normalizeSignatureAppearances(doc);
flattenAnnotations(doc);
doc.getForm().flatten();
for (const field of fields) {
await insertFieldInPDF(doc, field);