Remove digital signatures
flattensignature
JAVA
JAVA
/**
* Example written by Bruno Lowagie in answer to the following question:
* http://stackoverflow.com/questions/28163159/about-visible-digital-signatures
*/
package sandbox.acroforms;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;
@WrapToTest
public class FlattenSignature {
public static final String SRC = "resources/pdfs/input_signed.pdf";
public static final String DEST = "results/acroforms/output_no_longer_signed.pdf";
public static void main(String[] args) throws DocumentException, IOException {
File file = new File(DEST);
file.getParentFile().mkdirs();
new FlattenSignature().manipulatePdf(SRC, DEST);
}
public void manipulatePdf(String src, String dest) throws DocumentException, IOException {
PdfReader reader = new PdfReader(src);
PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
stamper.setFormFlattening(true);
stamper.close();
}
}