Java Code Examples for com.sun.org.apache.xml.internal.security.utils.XMLUtils#selectDsNode()

/**
 * Method getTransforms
 *
 * @throws XMLSecurityException
 * @return the transformations
 */
public Transforms getTransforms() throws XMLSecurityException {
    try {
        Element transformsElem =
            XMLUtils.selectDsNode(
                this.constructionElement.getFirstChild(), Constants._TAG_TRANSFORMS, 0);

        if (transformsElem != null) {
            return new Transforms(transformsElem, this.baseURI);
        }

        return null;
    } catch (XMLSignatureException ex) {
        throw new XMLSecurityException("empty", ex);
    }
}
 

/**
 * Method getTransforms
 *
 * @throws XMLSecurityException
 * @return the transformations
 */
public Transforms getTransforms() throws XMLSecurityException {
    try {
        Element transformsElem =
            XMLUtils.selectDsNode(
                this.constructionElement.getFirstChild(), Constants._TAG_TRANSFORMS, 0);

        if (transformsElem != null) {
            return new Transforms(transformsElem, this.baseURI);
        }

        return null;
    } catch (XMLSignatureException ex) {
        throw new XMLSecurityException("empty", ex);
    }
}
 

/**
 * Method getTransforms
 *
 * @throws XMLSecurityException
 * @return the transformations
 */
public Transforms getTransforms() throws XMLSecurityException {
    try {
        Element transformsElem =
            XMLUtils.selectDsNode(
                this.constructionElement.getFirstChild(), Constants._TAG_TRANSFORMS, 0);

        if (transformsElem != null) {
            return new Transforms(transformsElem, this.baseURI);
        }

        return null;
    } catch (XMLSignatureException ex) {
        throw new XMLSecurityException("empty", ex);
    }
}
 

/**
 * Method itemIssuerSerial
 *
 * @param i
 * @return the X509IssuerSerial, null if not present
 * @throws XMLSecurityException
 */
public XMLX509IssuerSerial itemIssuerSerial(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_X509ISSUERSERIAL, i);

    if (e != null) {
        return new XMLX509IssuerSerial(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method itemKeyValue
 *
 * @param i
 * @return the asked KeyValue element, null if the index is too big
 * @throws XMLSecurityException
 */
public KeyValue itemKeyValue(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_KEYVALUE, i);

    if (e != null) {
        return new KeyValue(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method itemCertificate
 *
 * @param i
 * @return the X509Certifacte, null if not present
 * @throws XMLSecurityException
 */
public XMLX509Certificate itemCertificate(int i) throws XMLSecurityException {

    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_X509CERTIFICATE, i);

    if (e != null) {
        return new XMLX509Certificate(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method engineResolvePublicKey
 *
 * @param element
 * @param BaseURI
 * @param storage
 * @return null if no {@link PublicKey} could be obtained
 */
public PublicKey engineLookupAndResolvePublicKey(
    Element element, String BaseURI, StorageResolver storage
) {
    if (element == null) {
        return null;
    }
    Element dsaKeyElement = null;
    boolean isKeyValue =
        XMLUtils.elementIsInSignatureSpace(element, Constants._TAG_KEYVALUE);
    if (isKeyValue) {
        dsaKeyElement =
            XMLUtils.selectDsNode(element.getFirstChild(), Constants._TAG_DSAKEYVALUE, 0);
    } else if (XMLUtils.elementIsInSignatureSpace(element, Constants._TAG_DSAKEYVALUE)) {
        // this trick is needed to allow the RetrievalMethodResolver to eat a
        // ds:DSAKeyValue directly (without KeyValue)
        dsaKeyElement = element;
    }

    if (dsaKeyElement == null) {
        return null;
    }

    try {
        DSAKeyValue dsaKeyValue = new DSAKeyValue(dsaKeyElement, BaseURI);
        PublicKey pk = dsaKeyValue.getPublicKey();

        return pk;
    } catch (XMLSecurityException ex) {
        if (log.isLoggable(java.util.logging.Level.FINE)) {
            log.log(java.util.logging.Level.FINE, ex.getMessage(), ex);
        }
        //do nothing
    }

    return null;
}
 

/**
 * Returns the KeyInfo child. If we are in signing mode and the KeyInfo
 * does not exist yet, it is created on demand and added to the Signature.
 * <br>
 * This allows to add arbitrary content to the KeyInfo during signing.
 *
 * @return the KeyInfo object
 */
public KeyInfo getKeyInfo() {
    // check to see if we are signing and if we have to create a keyinfo
    if (this.state == MODE_SIGN && this.keyInfo == null) {

        // create the KeyInfo
        this.keyInfo = new KeyInfo(this.doc);

        // get the Element from KeyInfo
        Element keyInfoElement = this.keyInfo.getElement();
        Element firstObject =
            XMLUtils.selectDsNode(
                this.constructionElement.getFirstChild(), Constants._TAG_OBJECT, 0
            );

        if (firstObject != null) {
            // add it before the object
            this.constructionElement.insertBefore(keyInfoElement, firstObject);
            XMLUtils.addReturnBeforeChild(this.constructionElement, firstObject);
        } else {
            // add it as the last element to the signature
            this.constructionElement.appendChild(keyInfoElement);
            XMLUtils.addReturnToElement(this.constructionElement);
        }
    }

    return this.keyInfo;
}
 

/**
 * Returns the KeyInfo child. If we are in signing mode and the KeyInfo
 * does not exist yet, it is created on demand and added to the Signature.
 * <br>
 * This allows to add arbitrary content to the KeyInfo during signing.
 *
 * @return the KeyInfo object
 */
public KeyInfo getKeyInfo() {
    // check to see if we are signing and if we have to create a keyinfo
    if (this.state == MODE_SIGN && this.keyInfo == null) {

        // create the KeyInfo
        this.keyInfo = new KeyInfo(this.doc);

        // get the Element from KeyInfo
        Element keyInfoElement = this.keyInfo.getElement();
        Element firstObject =
            XMLUtils.selectDsNode(
                this.constructionElement.getFirstChild(), Constants._TAG_OBJECT, 0
            );

        if (firstObject != null) {
            // add it before the object
            this.constructionElement.insertBefore(keyInfoElement, firstObject);
            XMLUtils.addReturnBeforeChild(this.constructionElement, firstObject);
        } else {
            // add it as the last element to the signature
            this.constructionElement.appendChild(keyInfoElement);
            XMLUtils.addReturnToElement(this.constructionElement);
        }
    }

    return this.keyInfo;
}
 

/**
 * Method itemSPKIData
 *
 * @param i
 * @return the asked SPKIData element, null if the index is too big
 * @throws XMLSecurityException
 */
public SPKIData itemSPKIData(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_SPKIDATA, i);

    if (e != null) {
        return new SPKIData(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method itemKeyName
 *
 * @param i
 * @return the asked KeyName element, null if the index is too big
 * @throws XMLSecurityException
 */
public KeyName itemKeyName(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_KEYNAME, i);

    if (e != null) {
        return new KeyName(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method itemRetrievalMethod
 *
 * @param i
 *@return the asked RetrievalMethod element, null if the index is too big
 * @throws XMLSecurityException
 */
public RetrievalMethod itemRetrievalMethod(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_RETRIEVALMETHOD, i);

    if (e != null) {
        return new RetrievalMethod(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method itemKeyValue
 *
 * @param i
 * @return the asked KeyValue element, null if the index is too big
 * @throws XMLSecurityException
 */
public KeyValue itemKeyValue(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_KEYVALUE, i);

    if (e != null) {
        return new KeyValue(e, this.baseURI);
    }
    return null;
}
 

/**
 * Method engineResolveX509Certificate
 * @inheritDoc
 * @param element
 * @param BaseURI
 * @param storage
 *
 * @throws KeyResolverException
 */
public X509Certificate engineLookupResolveX509Certificate(
    Element element, String BaseURI, StorageResolver storage
) throws KeyResolverException {

    try {
        Element[] els =
            XMLUtils.selectDsNodes(element.getFirstChild(), Constants._TAG_X509CERTIFICATE);
        if ((els == null) || (els.length == 0)) {
            Element el =
                XMLUtils.selectDsNode(element.getFirstChild(), Constants._TAG_X509DATA, 0);
            if (el != null) {
                return engineLookupResolveX509Certificate(el, BaseURI, storage);
            }
            return null;
        }

        // populate Object array
        for (int i = 0; i < els.length; i++) {
            XMLX509Certificate xmlCert = new XMLX509Certificate(els[i], BaseURI);
            X509Certificate cert = xmlCert.getX509Certificate();
            if (cert != null) {
                return cert;
            }
        }
        return null;
    } catch (XMLSecurityException ex) {
        if (log.isLoggable(java.util.logging.Level.FINE)) {
            log.log(java.util.logging.Level.FINE, "XMLSecurityException", ex);
        }
        throw new KeyResolverException("generic.EmptyMessage", ex);
    }
}
 

/**
 * Return the <it>i</it><sup>th</sup> SignatureProperty. Valid <code>i</code>
 * values are 0 to <code>{link@ getSize}-1</code>.
 *
 * @param i Index of the requested {@link SignatureProperty}
 * @return the <it>i</it><sup>th</sup> SignatureProperty
 * @throws XMLSignatureException
 */
public SignatureProperty item(int i) throws XMLSignatureException {
    try {
        Element propertyElem =
            XMLUtils.selectDsNode(this.constructionElement, Constants._TAG_SIGNATUREPROPERTY, i);

        if (propertyElem == null) {
            return null;
        }
        return new SignatureProperty(propertyElem, this.baseURI);
    } catch (XMLSecurityException ex) {
        throw new XMLSignatureException("empty", ex);
    }
}
 

/**
 * Method engineResolveX509Certificate
 * @inheritDoc
 * @param element
 * @param BaseURI
 * @param storage
 *
 * @throws KeyResolverException
 */
public X509Certificate engineLookupResolveX509Certificate(
    Element element, String BaseURI, StorageResolver storage
) throws KeyResolverException {

    try {
        Element[] els =
            XMLUtils.selectDsNodes(element.getFirstChild(), Constants._TAG_X509CERTIFICATE);
        if ((els == null) || (els.length == 0)) {
            Element el =
                XMLUtils.selectDsNode(element.getFirstChild(), Constants._TAG_X509DATA, 0);
            if (el != null) {
                return engineLookupResolveX509Certificate(el, BaseURI, storage);
            }
            return null;
        }

        // populate Object array
        for (int i = 0; i < els.length; i++) {
            XMLX509Certificate xmlCert = new XMLX509Certificate(els[i], BaseURI);
            X509Certificate cert = xmlCert.getX509Certificate();
            if (cert != null) {
                return cert;
            }
        }
        return null;
    } catch (XMLSecurityException ex) {
        if (log.isLoggable(java.util.logging.Level.FINE)) {
            log.log(java.util.logging.Level.FINE, "XMLSecurityException", ex);
        }
        throw new KeyResolverException("generic.EmptyMessage", ex);
    }
}
 

/**
 * Method itemKeyName
 *
 * @param i
 * @return the asked KeyName element, null if the index is too big
 * @throws XMLSecurityException
 */
public KeyName itemKeyName(int i) throws XMLSecurityException {
    Element e =
        XMLUtils.selectDsNode(
            this.constructionElement.getFirstChild(), Constants._TAG_KEYNAME, i);

    if (e != null) {
        return new KeyName(e, this.baseURI);
    }
    return null;
}
 

/**
 * Return the <it>i</it><sup>th</sup> SignatureProperty. Valid <code>i</code>
 * values are 0 to <code>{link@ getSize}-1</code>.
 *
 * @param i Index of the requested {@link SignatureProperty}
 * @return the <it>i</it><sup>th</sup> SignatureProperty
 * @throws XMLSignatureException
 */
public SignatureProperty item(int i) throws XMLSignatureException {
    try {
        Element propertyElem =
            XMLUtils.selectDsNode(this.constructionElement, Constants._TAG_SIGNATUREPROPERTY, i);

        if (propertyElem == null) {
            return null;
        }
        return new SignatureProperty(propertyElem, this.baseURI);
    } catch (XMLSecurityException ex) {
        throw new XMLSignatureException("empty", ex);
    }
}
 

/**
 * Method enginePerformTransform
 * @inheritDoc
 * @param input
 *
 * @throws TransformationException
 */
protected XMLSignatureInput enginePerformTransform(
    XMLSignatureInput input, OutputStream os, Transform transformObject
) throws TransformationException {
    try {
        /**
         * If the actual input is an octet stream, then the application MUST
         * convert the octet stream to an XPath node-set suitable for use by
         * Canonical XML with Comments. (A subsequent application of the
         * REQUIRED Canonical XML algorithm would strip away these comments.)
         *
         * ...
         *
         * The evaluation of this expression includes all of the document's nodes
         * (including comments) in the node-set representing the octet stream.
         */
        Element xpathElement =
            XMLUtils.selectDsNode(
                transformObject.getElement().getFirstChild(), Constants._TAG_XPATH, 0);

        if (xpathElement == null) {
            Object exArgs[] = { "ds:XPath", "Transform" };

            throw new TransformationException("xml.WrongContent", exArgs);
        }
        Node xpathnode = xpathElement.getChildNodes().item(0);
        String str = XMLUtils.getStrFromNode(xpathnode);
        input.setNeedsToBeExpanded(needsCircumvent(str));
        if (xpathnode == null) {
            throw new DOMException(
                DOMException.HIERARCHY_REQUEST_ERR, "Text must be in ds:Xpath"
            );
        }

        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPathAPI xpathAPIInstance = xpathFactory.newXPathAPI();
        input.addNodeFilter(new XPathNodeFilter(xpathElement, xpathnode, str, xpathAPIInstance));
        input.setNodeSet(true);
        return input;
    } catch (DOMException ex) {
        throw new TransformationException("empty", ex);
    }
}
 

/**
 * Method enginePerformTransform
 * @inheritDoc
 * @param input
 *
 * @throws TransformationException
 */
protected XMLSignatureInput enginePerformTransform(
    XMLSignatureInput input, OutputStream os, Transform transformObject
) throws TransformationException {
    try {
        /**
         * If the actual input is an octet stream, then the application MUST
         * convert the octet stream to an XPath node-set suitable for use by
         * Canonical XML with Comments. (A subsequent application of the
         * REQUIRED Canonical XML algorithm would strip away these comments.)
         *
         * ...
         *
         * The evaluation of this expression includes all of the document's nodes
         * (including comments) in the node-set representing the octet stream.
         */
        Element xpathElement =
            XMLUtils.selectDsNode(
                transformObject.getElement().getFirstChild(), Constants._TAG_XPATH, 0);

        if (xpathElement == null) {
            Object exArgs[] = { "ds:XPath", "Transform" };

            throw new TransformationException("xml.WrongContent", exArgs);
        }
        Node xpathnode = xpathElement.getChildNodes().item(0);
        String str = XMLUtils.getStrFromNode(xpathnode);
        input.setNeedsToBeExpanded(needsCircumvent(str));
        if (xpathnode == null) {
            throw new DOMException(
                DOMException.HIERARCHY_REQUEST_ERR, "Text must be in ds:Xpath"
            );
        }

        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPathAPI xpathAPIInstance = xpathFactory.newXPathAPI();
        input.addNodeFilter(new XPathNodeFilter(xpathElement, xpathnode, str, xpathAPIInstance));
        input.setNodeSet(true);
        return input;
    } catch (DOMException ex) {
        throw new TransformationException("empty", ex);
    }
}