Newer
Older
const doc = await lib.PDFDoc.createFromBuffer(docBuffer);
const tst_config = await lib.TimestampingConfiguration.createFromURL(
const opts = await lib.VerificationOptions.create(
lib.VerificationOptions.SecurityLevel.e_compatibility_and_archiving
if (typeof certPath === "string") {
await opts.addTrustedCertificateUString(certPath);
} else {
await opts.addTrustedCertificate(certPath);
}
const img = await lib.Image.createFromMemory2(doc, imgBytes);
//make this dynamic with canvas lib
const imgWidth = 300;
const imgHeight = 300;
const pagesForSining = Object.keys(coords).map((k) => {
return parseInt(k);
});
const pages = await doc.getPageCount();
let result;
for (let p = 1; p <= pages; p++) {
if (!pagesForSining.includes(p)) {
continue;
const page = await doc.getPage(p);
const doctimestamp_signature_field =
await doc.createDigitalSignatureField();
const widgetAnnot =
await lib.SignatureWidget.createWithDigitalSignatureField(
parseFloat(coords[p].x),
parseFloat(coords[p].x + imgWidth),
parseFloat(coords[p].y),
parseFloat(coords[p].y + imgHeight)
),
doctimestamp_signature_field
);
await page.annotPushBack(widgetAnnot);
await widgetAnnot.createSignatureAppearance(img);
await doctimestamp_signature_field.timestampOnNextSave(tst_config, opts);
result = await doc.saveMemoryBuffer(lib.SDFDoc.SaveOptions.e_incremental);