GroupDocsGists

Office metadata PII cleanup - runnable Node.js mini-project for GroupDocs.Metadata

PII cleanup is a GroupDocs.Metadata capability for Node.js via Java that deletes identity-bearing properties from Office documents and lists whatever survives.

A small but complete set of snippets demonstrating document sanitization on Node.js (JavaScript). Download the files into one directory, install the package, point them at a DOCX, and run.

Project layout

• README.md - this overview.
• removeAuthorAndCompany.js - clears the four identity fields by tag.

GroupDocsGists

// Clear review comments, reviewer names, and comment counters
var inputPath = "resources/pii-sample.docx";
var outputPath = "output/no-comments.docx";

int affected;
using (var metadata = new Metadata(inputPath))
{
    affected = metadata.RemoveProperties(p =>
        p.Name != null && (
            p.Name.Contains("Comment") ||

GroupDocsGists

// Clear review comments, reviewer names, and comment counters
// NameContainsSpec is a Specification subclass; see NameContainsSpec.java
String inputPath = "src/main/resources/pii-sample.docx";
String outputPath = "output/no-comments.docx";

int affected;
try (Metadata metadata = new Metadata(inputPath)) {
    affected = metadata.removeProperties(
            new NameContainsSpec("Comment", "Reviewer", "Reviewed"));
    metadata.save(outputPath);

GroupDocsGists

// Add keywords to the dc:subject bag of an Adobe file's XMP packet
String inputPath = "src/main/resources/sample.psd";
String outputPath = "output/with-keywords.psd";
String[] keywords = {"landscape", "sunset", "commercial"};

try (Metadata metadata = new Metadata(inputPath)) {
    IXmp root = (IXmp) metadata.getRootPackage();
    if (root == null) return;
    if (root.getXmpPackage() == null) {
        root.setXmpPackage(new XmpPacketWrapper());

GroupDocsGists

// Add keywords to the dc:subject bag of an Adobe file's XMP packet
var inputPath = "resources/sample.psd";
var outputPath = "output/with-keywords.psd";
var keywords = new[] { "landscape", "sunset", "commercial" };

using (var metadata = new Metadata(inputPath))
{
    var root = metadata.GetRootPackage() as IXmp;
    if (root == null) return;

GroupDocsGists

# Add keywords to the dc:subject bag of an Adobe file's XMP packet
input_path = "resources/sample.psd"
output_path = "output/with-keywords.psd"
keywords = ["landscape", "sunset", "commercial"]

with Metadata(input_path) as metadata:
    root = metadata.get_root_package()
    xmp = getattr(root, "xmp_package", None)
    if xmp is None:
        root.xmp_package = XmpPacketWrapper()

GroupDocsGists

# Remove review comments, reviewer names, and comment metadata
input_path = "resources/pii-sample.docx"
output_path = "output/no-comments.docx"

with Metadata(input_path) as metadata:
    affected = metadata.remove_properties(lambda p:
        p.name is not None and (
            "Comment" in p.name
            or "Reviewer" in p.name
            or "Reviewed" in p.name))

GroupDocsGists

# Classify metadata differences between two revisions of one document
def read_props(path):
    props = {}
    with Metadata(path) as metadata:
        for p in metadata.find_properties(lambda p: p.name is not None):
            props[p.name] = (str(p.interpreted_value) if p.interpreted_value is not None
                             else (str(p.value) if p.value is not None else ""))
    return props

v1 = read_props("resources/document-v1.docx")

GroupDocsGists

const result = {};
const metadata = new groupdocs.Metadata(documentPath);
try {
  const properties = metadata.findProperties(new groupdocs.AnySpecification());
  for (let i = 0; i < properties.getCount(); i++) {
    const p = properties.get_Item(i);
    const name = p.getName();
    const value = valueToString(p);
    result[name] = value;
  }

GroupDocsGists

Map<String, String> v1 = ExtractAllMetadata.run(pathV1);
Map<String, String> v2 = ExtractAllMetadata.run(pathV2);
MetadataDiff diff = new MetadataDiff();

for (Map.Entry<String, String> e : v2.entrySet()) {
    String k = e.getKey();
    String v = e.getValue();
    if (!v1.containsKey(k)) {
        diff.added.put(k, v);
    } else if (!v1.get(k).equals(v)) {