Check if document signed

Get information about signature(s) used in document

function configureViewerUI(viewer) { var React = viewer.getType("React"); viewer.addDefaultPanels(); viewer.onAfterOpen.register(function() { viewer.getSignatureInfo().then(function (signatureInfo) { let s = ""; const detailsJsx = []; if(signatureInfo.signed) { detailsJsx.push(React.createElement("h4", { style: { padding: "0 2px 0px 3px", margin: "0" } }, "SIGNED BY FIELDS:")); for(let i = 0; i < signatureInfo.signedByFields.length; i++) { const signedField = signatureInfo.signedByFields[i], signatureValue = signedField.signatureValue, signerName = signatureValue.name, location = signatureValue.location, signDate = viewer.pdfStringToDate(signatureValue.modificationDate).toDateString(); detailsJsx.push(React.createElement("p", { style: { padding: "0 10px 4px 10px", margin: "0" } }, `• ${signedField.fieldName}, signer: ${signerName}, location: ${location}, date: ${signDate}.`)); } s = "The document was signed using digital signature."; } else { s = "The document is not signed."; } if(signatureInfo.signatureFields.length === 0) { detailsJsx.push(React.createElement("h4", { style: { padding: "0 2px 0px 3px", margin: "0" } }, "NO SIGNATURE FIELDS.")); } else { detailsJsx.push(React.createElement("h4", { style: { padding: "0 2px 0px 3px", margin: "0" } }, "ALL SIGNATURE FIELDS:")); for(const field of signatureInfo.signatureFields) { detailsJsx.push(React.createElement("span", { style: { padding: "0 2px 0px 10px", margin: "0" } }, `'${field.fieldName}'; `)); } } viewer.showMessage(s, detailsJsx); }); }); } window.onload = function() { var viewer = new DsPdfViewer("#viewer"); configureViewerUI(viewer); viewer.open("/document-solutions/javascript-pdf-viewer/demos/product-bundles/assets/pdf/signature-info.pdf"); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Check if document signed</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="./src/styles.css"> <script src="/document-solutions/javascript-pdf-viewer/demos/product-bundles/build/dspdfviewer.js"></script> <script src="/document-solutions/javascript-pdf-viewer/demos/resource/js/init.js"></script> <script src="./src/app.js"></script> </head> <body> <div id="viewer"></div> </body> </html>
#viewer { height: 100%; }