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Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/parser/CreateXMLSignatureResponseParser.java')
| -rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/parser/CreateXMLSignatureResponseParser.java | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/parser/CreateXMLSignatureResponseParser.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/parser/CreateXMLSignatureResponseParser.java new file mode 100644 index 000000000..6004f251f --- /dev/null +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/parser/CreateXMLSignatureResponseParser.java @@ -0,0 +1,243 @@ +/* + * Copyright 2003 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ + + +package at.gv.egovernment.moa.id.auth.parser; + +import java.io.ByteArrayInputStream; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.List; + +import org.w3c.dom.Element; +import org.w3c.dom.NodeList; +import org.w3c.dom.traversal.NodeIterator; + +import at.gv.egovernment.moa.id.AuthenticationException; +import at.gv.egovernment.moa.id.ParseException; +import at.gv.egovernment.moa.id.auth.data.CreateXMLSignatureResponse; +import at.gv.egovernment.moa.id.auth.data.SAMLAttribute; +import at.gv.egovernment.moa.util.Constants; +import at.gv.egovernment.moa.util.DOMUtils; +import at.gv.egovernment.moa.util.XPathUtils; + +/** + * Parses an <code><InfoboxReadResponse></code> returned from + * the security layer + * + * @author Stefan Knirsch + * @version $Id$ + */ + +public class CreateXMLSignatureResponseParser { + // + // XPath namespace prefix shortcuts + // + + /** Xpath prefix for reaching SAML Namespaces */ + private static final String SAML = Constants.SAML_PREFIX + ":"; + /** Xpath prefix for reaching XML-DSIG Namespaces */ + private static final String DSIG = Constants.DSIG_PREFIX + ":"; + /** Xpath expression to the root element */ + private static final String ROOT = ":CreateXMLSignatureResponse/"; + /** Xpath expression to the SAML:Assertion element */ + private static final String SAML_ASSERTION_XPATH = ROOT + SAML + "Assertion"; + /** Xpath expression to the SAML:NameIdentifier element */ + private static final String SAML_SUBJECT_NAME_IDENTIFIER_XPATH = SAML_ASSERTION_XPATH + "/" + SAML + "AttributeStatement/" + SAML + "Subject/" + SAML + "NameIdentifier"; + /** Xpath expression to the AttributeStatement element */ + private static final String SAML_ATTRIBUTE_XPATH = SAML_ASSERTION_XPATH + "/" + SAML + "AttributeStatement/" + SAML + "Attribute"; + /** Xpath expression to the AttributeValue element */ + private static final String SAML_ATTRIBUTE_VALUE_XPATH = SAML + "AttributeValue"; + + + /** This is the root element of the CreateXMLsignatureResponse */ + private Element sigResponse_; + + /** + * Parses and validates the document given as string and extracts the + * root element. + * + * @param xmlResponse <code><CreateXMLSignatureResponse></code> as String + * + * @throws AuthenticationException if any authentication error occurs + * @throws ParseException if an element cannot be parsed + */ + public CreateXMLSignatureResponseParser(String xmlResponse) throws AuthenticationException, ParseException { + try { + InputStream s = new ByteArrayInputStream(xmlResponse.getBytes("UTF-8")); + init(s); + } + catch (Throwable t) { + throw new ParseException("parser.01", new Object[] { t.toString()}, t); + } + } + + /** + * Parses and validates the document given as stream and extracts the + * root element. + * + * @param is <code><InfoboxReadResponse></code> as InputStream + * + * @throws AuthenticationException If any authentication error occurs + * @throws ParseException If an element cannot be parsed + */ + public CreateXMLSignatureResponseParser(InputStream is) throws AuthenticationException, ParseException { + init(is); + } + + /** + * Constructor for CreateXMLSignatureResponseParser. + * The incoming Element will be used for further operations + * @param xmlResponse <code><InfoboxReadResponse></code> as InputStream + */ + public CreateXMLSignatureResponseParser(Element xmlResponse) { + sigResponse_ = xmlResponse; + } + + /** + * Initializes the parser. + * Parses and validates the document given as stream and extracts the + * root element. + * + * @param is The CreateXMLSignatureResponse as stream. + * @throws AuthenticationException if an authentication error occurs. + * @throws ParseException If an error occurs on parsing the the document. + */ + private void init(InputStream is) throws AuthenticationException, ParseException { + try { + + Element responseElem = DOMUtils.parseXmlValidating(is); + + if ("CreateXMLSignatureResponse".equals(responseElem.getLocalName())) { + sigResponse_ = responseElem; + } else { + ErrorResponseParser erp = new ErrorResponseParser(responseElem); + throw new AuthenticationException("auth.08", new Object[] { erp.getErrorCode(), erp.getErrorInfo()}); + } + + } catch (Throwable t) { + throw new ParseException("parser.01", new Object[] { t.toString()}, t); + } + } + + /** + * Unmarshalls the <@link sigResponse> to an + * <code><CreateXMLSignatureResponse></code> object. + * + * @return a <code><CreateXMLSignatureResponse></code> object + * @throws ParseException + */ + + public CreateXMLSignatureResponse parseResponseDsig() throws ParseException { + CreateXMLSignatureResponse cResp; + try { + cResp = new CreateXMLSignatureResponse(); + + NodeList list = sigResponse_.getElementsByTagNameNS(Constants.DSIG_NS_URI, "Signature"); + Element dsigSignatureNode = (Element) list.item(0); + + Element dsigSignatureElement = (Element) dsigSignatureNode; + cResp.setDsigSignature(dsigSignatureElement); + } + catch (Throwable t) { + throw new ParseException("parser.01", new Object[] { t.toString()}, t); + } + return cResp; + } + + /** + * Unmarshalls the <@link sigResponse> to an + * <code><CreateXMLSignatureResponse></code> object. + * + * @return a <code><CreateXMLSignatureResponse></code> object + * @throws ParseException + */ + + public CreateXMLSignatureResponse parseResponse() throws ParseException { + CreateXMLSignatureResponse cResp; + try { + cResp = new CreateXMLSignatureResponse(); + String slPrefix = XPathUtils.getSlPrefix(sigResponse_); + cResp.setSamlNameIdentifier(XPathUtils.getElementValue(sigResponse_, "/" + slPrefix + SAML_SUBJECT_NAME_IDENTIFIER_XPATH, null)); + cResp.setSamlAssertion((Element) XPathUtils.selectSingleNode(sigResponse_, "/" + slPrefix + SAML_ASSERTION_XPATH)); + NodeIterator attrIter = XPathUtils.selectNodeIterator(sigResponse_, "/" + slPrefix + SAML_ATTRIBUTE_XPATH); + Element samlAttr; + List samlAttributes = new ArrayList(); + while ((samlAttr = (Element) attrIter.nextNode()) != null) { + String attrName = XPathUtils.getAttributeValue(samlAttr, "@AttributeName", ""); + String attrNamespace = XPathUtils.getAttributeValue(samlAttr, "@AttributeNamespace", ""); + Object attrValue; + Element attrValueElem = (Element)XPathUtils.selectSingleNode(samlAttr, SAML_ATTRIBUTE_VALUE_XPATH); + attrValue = DOMUtils.getElementFromNodeList(attrValueElem.getChildNodes()); + if (attrValue == null) { + if (null!=attrValueElem.getFirstChild()) { + attrValue = attrValueElem.getFirstChild().getNodeValue(); + } else { + attrValue = ""; + } + } + samlAttributes.add(new SAMLAttribute(attrName, attrNamespace, attrValue)); + } + SAMLAttribute[] result = new SAMLAttribute[samlAttributes.size()]; + samlAttributes.toArray(result); + cResp.setSamlAttributes(result); + } + catch (Throwable t) { + throw new ParseException("parser.01", new Object[] { t.toString()}, t); + } + return cResp; + } + +// public CreateXMLSignatureResponse parseResponse() throws ParseException { +// CreateXMLSignatureResponse cResp; +// try { +// cResp = new CreateXMLSignatureResponse(); +// Element samlAssertion = (Element)sigResponse.getElementsByTagNameNS(Constants.SAML_NS_URI, "Assertion").item(0); +// cResp.setSamlAssertion(samlAssertion); +// Element samlAttributeStatement = (Element)samlAssertion.getElementsByTagNameNS(Constants.SAML_NS_URI, "AttributeStatement").item(0); +// Element samlSubject = (Element)samlAttributeStatement.getElementsByTagNameNS(Constants.SAML_NS_URI, "Subject").item(0); +// Element samlNameIdentifier = (Element)samlSubject.getElementsByTagNameNS(Constants.SAML_NS_URI, "NameIdentifier").item(0); +// cResp.setSamlNameIdentifier(samlNameIdentifier.getFirstChild().getNodeValue()); +// NodeList nl = samlAttributeStatement.getElementsByTagNameNS(Constants.SAML_NS_URI, "Attribute"); +// List samlAttributes = new ArrayList(); +// for (int i=0; i<nl.getLength(); i++) { +// Element samlAttribute = (Element)nl.item(i); +// String attrName = samlAttribute.getAttribute("AttributeName"); +// String attrNamespace = samlAttribute.getAttribute("AttributeNamespace"); +// String attrValue = ((Element)samlAttribute.getElementsByTagNameNS(Constants.SAML_NS_URI, "AttributeValue").item(0)).getFirstChild().getNodeValue(); +// samlAttributes.add(new SAMLAttribute(attrName, attrNamespace, attrValue)); +// } +// SAMLAttribute[] result = new SAMLAttribute[samlAttributes.size()]; +// samlAttributes.toArray(result); +// cResp.setSamlAttributes(result); +// } +// catch (Throwable t) { +// throw new ParseException("parser.01", new Object[] { t.toString()}, t); +// } +// return cResp; +// } + + + + +} |