Example usage for com.lowagie.text.pdf PdfString getOriginalBytes

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfString getOriginalBytes.

Prototype

public byte[] getOriginalBytes() 

Source Link

Usage

From source file:org.opensignature.opensignpdf.tools.Pkcs7Extractor.java

License:Open Source License

/**
 * @param args/*  ww w.  ja  v a 2  s  .c  om*/
 */
public static void main(String[] args) {
    // TODO Auto-generated method stub

    try {
        if (args.length < 1) {
            System.out.println("Usage: EstraiPkcs7 <pdf file relative to current dir>");
            System.exit(1);
        }
        String filename = args[0];

        PdfReader reader = new PdfReader(filename);
        AcroFields af = reader.getAcroFields();
        ArrayList names = af.getSignatureNames();
        for (int k = 0; k < names.size(); ++k) {
            String name = (String) names.get(k);
            System.out.println("Signature name: " + name);
            System.out.println("Signature covers whole document: " + af.signatureCoversWholeDocument(name));
            System.out.println("Document revision: " + af.getRevision(name) + " of " + af.getTotalRevisions());
            // Start revision extraction
            // FileOutputStream out = new FileOutputStream("revision_" +
            // af.getRevision(name) + ".pdf");
            // byte bb[] = new byte[8192];
            // InputStream ip = af.extractRevision(name);
            // int n = 0;
            // while ((n = ip.read(bb)) > 0)
            // out.write(bb, 0, n);
            // out.close();
            // ip.close();
            // End revision extraction

            // PdfPKCS7 pk = af.verifySignature(name);

            PdfDictionary v = af.getSignatureDictionary(name);

            PdfString contents = (PdfString) PdfReader.getPdfObject(v.get(PdfName.CONTENTS));

            // Start pkcs7 extraction
            FileOutputStream fos = new FileOutputStream(filename + "_signeddata_" + name + ".pk7");
            System.out.println(k + ") Estrazione pkcs7: " + filename + "_signeddata_" + name + ".pk7");
            fos.write(contents.getOriginalBytes());
            fos.flush();
            fos.close();
            // End pkcs7 extraction

            /* Commentato per evitare dipendenze da BC
            Security.insertProviderAt(new BouncyCastleProvider(), 3);
                    
            // nota: dipendenza da provider BC per "SHA1withRSA"
            PdfPKCS7 pk = new PdfPKCS7(contents.getOriginalBytes(), "BC");
                    
                    
                    
            Calendar cal = pk.getSignDate();
            Certificate pkc[] = pk.getCertificates();
            System.out.println("Got " + pkc.length
                + " certificates from pdf");
            System.out
                .println("Subject of signer: "
                        + PdfPKCS7.getSubjectFields(pk
                                .getSigningCertificate()));
            // System.out.println("Document modified: " + !pk.verify());
            // Object fails[] = PdfPKCS7.verifyCertificates(pkc, kall, null,
            // cal);
            // if (fails == null)
            // System.out.println("Certificates verified against the
            // KeyStore");
            // else
            // System.out.println("Certificate failed: " + fails[1]);
                     
            */
        }

    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();

    }

    /* decommentare se si riabilita la parte relativa a PdfPKCS7 nel main
            
    catch (InvalidKeyException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } catch (SecurityException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } catch (CRLException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } catch (CertificateException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } catch (NoSuchProviderException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
    }
    */

}

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