Example usage for org.bouncycastle.asn1.x509 IetfAttrSyntax getValueType

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.x509 IetfAttrSyntax getValueType.

Prototype

public int getValueType() 

Source Link

Usage

From source file:org.glite.voms.ac.AttributeCertificateInfo.java

License:eu-egee.org license

public AttributeCertificateInfo(ASN1Sequence seq) throws IOException {
    DERObjectIdentifier AC_TARGET_OID_DER = new DERObjectIdentifier(AC_TARGET_OID);
    DERObjectIdentifier AC_CERTS_OID_DER = new DERObjectIdentifier(AC_CERTS_OID);
    DERObjectIdentifier AC_FULL_ATTRIBUTES_OID_DER = new DERObjectIdentifier(AC_FULL_ATTRIBUTES_OID);
    version = (DERInteger) seq.getObjectAt(0);
    holder = new Holder((ASN1Sequence) seq.getObjectAt(1));
    issuer = new AttCertIssuer(seq.getObjectAt(2));
    signature = new AlgorithmIdentifier((ASN1Sequence) seq.getObjectAt(3));
    serialNumber = (DERInteger) seq.getObjectAt(4);

    // VOMS has encoding problems of attCertValidity (uses PrivateKeyUsagePeriod syntax instead)
    ASN1Sequence s2 = (ASN1Sequence) seq.getObjectAt(5);
    ASN1Sequence s3 = s2;/*w w w. j  a  v  a  2 s .  c o  m*/

    if (s2.getObjectAt(0) instanceof ASN1TaggedObject) {
        badVomsEncoding = true;

        DEREncodableVector v = new DEREncodableVector();

        for (int i = 0; i < 2; i++) {
            byte[] bb = ((DEROctetString) ((ASN1TaggedObject) s2.getObjectAt(i)).getObject()).getOctets();
            v.add(new DERGeneralizedTime(new String(bb)));
        }

        s3 = (ASN1Sequence) new DERSequence(v);
    }

    attrCertValidityPeriod = AttCertValidityPeriod.getInstance(s3);
    attributes = (ASN1Sequence) seq.getObjectAt(6);

    // getting FQANs
    //        System.out.println("Getting FQANs");
    if (attributes != null && attributes.size() != 0) {
        for (Enumeration e = attributes.getObjects(); e.hasMoreElements();) {
            //                 DERObject o = (DERObject)e.nextElement();
            //                 byte[] value = null;
            //                 try {
            //                     value = o.getEncoded();
            //                 }
            //                 catch(Exception ex) {}
            //                 System.out.println("Class is: " + o.getClass());
            //                 System.out.print("Value is: ");
            //                 for (int i =0; i < value.length; i++)
            //                     System.out.print(Integer.toHexString(value[i]) + " ");
            //                 System.out.println();

            ASN1Sequence attribute = (ASN1Sequence) e.nextElement();

            if (VOMS_ATTR_OID.equals(((DERObjectIdentifier) attribute.getObjectAt(0)).getId())) {
                DLSet set = (DLSet) attribute.getObjectAt(1);

                for (Enumeration s = set.getObjects(); s.hasMoreElements();) {
                    IetfAttrSyntax attr = new IetfAttrSyntax((ASN1Sequence) s.nextElement());
                    String url = ((DERIA5String) GeneralName
                            .getInstance(
                                    ((ASN1Sequence) attr.getPolicyAuthority().toASN1Primitive()).getObjectAt(0))
                            .getName()).getString();
                    int idx = url.indexOf("://");

                    if ((idx < 0) || (idx == (url.length() - 1))) {
                        throw new IllegalArgumentException(
                                "Bad encoding of VOMS policyAuthority : [" + url + "]");
                    }

                    myVo = url.substring(0, idx);
                    myHostPort = url.substring(idx + 3);

                    idx = myHostPort.lastIndexOf(":");

                    if ((idx < 0) || (idx == (myHostPort.length() - 1))) {
                        throw new IllegalArgumentException(
                                "Bad encoding of VOMS policyAuthority : [" + url + "]");
                    }

                    myHost = myHostPort.substring(0, idx);
                    myPort = Integer.valueOf(myHostPort.substring(idx + 1)).intValue();

                    if (attr.getValueType() != IetfAttrSyntax.VALUE_OCTETS) {
                        throw new IllegalArgumentException(
                                "VOMS attribute values are not encoded as octet strings, policyAuthority = "
                                        + url);
                    }

                    for (Iterator j = attr.getValues().iterator(); j.hasNext();) {
                        String fqan = new String(((ASN1OctetString) j.next()).getOctets());
                        FQAN f = new FQAN(fqan);

                        // maybe requiring that the attributes start with vo is too much?
                        if (!myStringList.contains(fqan)
                                && (fqan.startsWith("/" + myVo + "/") || fqan.equals("/" + myVo))) {
                            myStringList.add(fqan);
                            myFQANs.add(f);
                        }
                    }
                }
            }
        }
    }

    // check if the following two can be detected better!!! 
    // for example, is it possible to have only the extensions? how to detect this?
    if (seq.size() > 8) {
        issuerUniqueID = new DERBitString(seq.getObjectAt(7));
        extensions = new X509Extensions((ASN1Sequence) seq.getObjectAt(8));
    } else if (seq.size() > 7) {
        extensions = new X509Extensions((ASN1Sequence) seq.getObjectAt(7));
    }

    // start parsing of known extensions
    //        System.out.println("Getting AC_TARGET");
    if (extensions.getExtension(AC_TARGET_OID_DER) != null) {
        byte[] data = (extensions.getExtension(AC_TARGET_OID_DER).getValue().getOctets());
        ASN1Primitive dobj = null;
        try {
            dobj = new ASN1InputStream(new ByteArrayInputStream(data)).readObject();

            //            System.out.println("DOBJ Class: " + dobj.getClass());
            acTargets = new ACTargets(ASN1Sequence.getInstance(dobj));
        } catch (Exception e) {
            throw new IllegalArgumentException("DERO: " + e.getMessage(), e);
        }
    }

    //        System.out.println("Getting AC_CERTS");
    if (extensions.getExtension(AC_CERTS_OID_DER) != null) {
        byte[] data = (extensions.getExtension(AC_CERTS_OID_DER).getValue().getOctets());
        ASN1Primitive dobj = null;
        try {
            dobj = new ASN1InputStream(new ByteArrayInputStream(data)).readObject();
            //             System.out.println("DOBJ Class: " + dobj.getClass());
            acCerts = new ACCerts(ASN1Sequence.getInstance(dobj));
        } catch (Exception e) {
            throw new IllegalArgumentException("DERO: " + e.getMessage(), e);
        }
    }

    //        System.out.println("Getting FULL_ATTRIBUTES");
    if (extensions.getExtension(AC_FULL_ATTRIBUTES_OID_DER) != null) {
        byte[] data = (extensions.getExtension(AC_FULL_ATTRIBUTES_OID_DER).getValue().getOctets());
        ASN1Primitive dobj = null;
        try {
            dobj = new ASN1InputStream(new ByteArrayInputStream(data)).readObject();

            //             System.out.println("DOBJ Class: " + dobj.getClass());
            fullAttributes = new FullAttributes(ASN1Sequence.getInstance(dobj));
        } catch (Exception e) {
            throw new IllegalArgumentException("DERO: " + e.getMessage());
        }
    }
}

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From source file:org.italiangrid.voms.asn1.VOMSACUtils.java

License:Apache License

/**
 * Deserializes the FQANs contained in a {@link IetfAttrSyntax} object
 * //w  ww  . j  a v a  2  s  . co  m
 * @param attr
 *          the {@link IetfAttrSyntax} attribute syntax object containing the
 *          VOMS extension
 * @return a {@link List} of FQANs
 */
private static List<String> deserializeFQANs(IetfAttrSyntax attr) {

    if (attr.getValueType() != IetfAttrSyntax.VALUE_OCTETS)
        raiseACNonConformantError("unsupported attribute values encoding.");

    List<String> fqans = new ArrayList<String>();

    ASN1OctetString[] values = (ASN1OctetString[]) attr.getValues();

    for (ASN1OctetString s : values)
        fqans.add(new String(s.getOctets()));

    return fqans;
}

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