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Diffstat (limited to 'spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java')
| -rw-r--r-- | spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java new file mode 100644 index 000000000..9cea2fc99 --- /dev/null +++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/api/xmlbind/CreateXMLSignatureRequestParser.java @@ -0,0 +1,312 @@ +/* + * Copyright 2003 Federal Chancellery Austria + * MOA-SPSS 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.spss.api.xmlbind; + +import java.util.ArrayList; +import java.util.List; + +import org.w3c.dom.Element; +import org.w3c.dom.traversal.NodeIterator; + +import at.gv.egovernment.moa.util.BoolUtils; +import at.gv.egovernment.moa.util.Constants; +import at.gv.egovernment.moa.util.DOMUtils; +import at.gv.egovernment.moa.util.XPathUtils; + +import at.gv.egovernment.moa.spss.MOAApplicationException; +import at.gv.egovernment.moa.spss.api.SPSSFactory; +import at.gv.egovernment.moa.spss.api.common.Content; +import at.gv.egovernment.moa.spss.api.xmlsign.CreateSignatureEnvironmentProfile; +import at.gv.egovernment.moa.spss.api.xmlsign.CreateSignatureInfo; +import at.gv.egovernment.moa.spss.api.xmlsign.CreateTransformsInfoProfile; +import at.gv.egovernment.moa.spss.api.xmlsign.CreateXMLSignatureRequest; +import at.gv.egovernment.moa.spss.api.xmlsign.DataObjectInfo; +import at.gv.egovernment.moa.spss.api.xmlsign.SingleSignatureInfo; + +/** + * A parser to parse <code>CreateXMLSignatureRequest</code> DOM trees into + * <code>CreateXMLSignatureRequest</code> API objects. + * + * @author Patrick Peck + * @version $Id$ + */ +public class CreateXMLSignatureRequestParser { + + // + // XPath expresssions to select elements in the CreateXMLSignatureRequest + // + private static final String MOA = Constants.MOA_PREFIX + ":"; + private static final String KEY_IDENTIFIER_XPATH = + "/" + MOA + "CreateXMLSignatureRequest/" + MOA + "KeyIdentifier"; + private static final String SINGLE_SIGNATURE_INFO_XPATH = + "/" + MOA + "CreateXMLSignatureRequest/" + MOA + "SingleSignatureInfo"; + private static final String DATA_OBJECT_INFO_XPATH = MOA + "DataObjectInfo"; + private static final String DATA_OBJECT_XPATH = MOA + "DataObject"; + private static final String CREATE_SIGNATURE_INFO_XPATH = + MOA + "CreateSignatureInfo"; + private static final String CREATE_TRANSFORMS_INFO_PROFILE_XPATH = + (MOA + "CreateTransformsInfoProfile | ") + + (MOA + "CreateTransformsInfoProfileID"); + private static final String CREATE_SIGNATURE_ENVIRONMENT_XPATH = + MOA + "CreateSignatureEnvironment"; + private static final String CREATE_SIGNATURE_ENVIRONMENT_PROFILE_XPATH = + (MOA + "CreateSignatureEnvironmentProfile | ") + + (MOA + "CreateSignatureEnvironmentProfileID"); + private static final String SL_CONFORM_ATTR_NAME = "SecurityLayerConformity"; + + /** The factory to create API objects. */ + private SPSSFactory factory; + + /** + * Create a new <code>CreateXMLSignatureRequestParser</code>. + */ + public CreateXMLSignatureRequestParser() { + this.factory = SPSSFactory.getInstance(); + } + + /** + * Parse a <code>CreateXMLSignatureRequest</code> DOM element, as defined + * by the MOA schema. + * + * @param requestElem The <code>CreateXMLSignatureRequest</code> to parse. The + * request must have been successfully parsed against the schema for this + * method to succeed. + * @return A <code>CreateXMLSignatureRequest</code> API object containing + * the data from the DOM element. + * @throws MOAApplicationException An error occurred parsing the request. + */ + public CreateXMLSignatureRequest parse(Element requestElem) + throws MOAApplicationException { + + List singleSignatureInfos = parseSingleSignatureInfos(requestElem); + String keyIdentifier = + XPathUtils.getElementValue(requestElem, KEY_IDENTIFIER_XPATH, null); + + return factory.createCreateXMLSignatureRequest( + keyIdentifier, + singleSignatureInfos); + } + + /** + * Parse all <code>SingleSignatureInfo</code> elements of the + * <code>CreateXMLSignatureRequest</code>. + * + * @param requestElem The <code>CreateXMLSignatureRequest</code> to parse. + * @return A <code>List</code> of <code>SingleSignatureInfo</code> API + * objects. + * @throws MOAApplicationException An error occurred parsing on of the + * <code>SingleSignatureInfo</code> elements. + */ + private List parseSingleSignatureInfos(Element requestElem) + throws MOAApplicationException { + + List singleSignatureInfos = new ArrayList(); + NodeIterator sigInfoElems = + XPathUtils.selectNodeIterator(requestElem, SINGLE_SIGNATURE_INFO_XPATH); + Element sigInfoElem; + + while ((sigInfoElem = (Element) sigInfoElems.nextNode()) != null) { + singleSignatureInfos.add(parseSingleSignatureInfo(sigInfoElem)); + } + + return singleSignatureInfos; + } + + /** + * Parse a <code>SingleSignatureInfo</code> DOM element. + * + * @param sigInfoElem The <code>SingleSignatureInfo</code> DOM element to + * parse. + * @return A <code>SingleSignatureInfo</code> API object containing the + * information of <code>sigInfoElem</code>. + * @throws MOAApplicationException An error occurred parsing the + * <code>SingleSignatureInfo</code>. + */ + private SingleSignatureInfo parseSingleSignatureInfo(Element sigInfoElem) + throws MOAApplicationException { + + List dataObjectInfos = parseDataObjectInfos(sigInfoElem); + CreateSignatureInfo createSignatureInfo = + parseCreateSignatureInfo(sigInfoElem); + boolean securityLayerConform; + + if (sigInfoElem.hasAttribute(SL_CONFORM_ATTR_NAME)) { + securityLayerConform = + BoolUtils.valueOf(sigInfoElem.getAttribute(SL_CONFORM_ATTR_NAME)); + } else { + securityLayerConform = true; + } + + return factory.createSingleSignatureInfo( + dataObjectInfos, + createSignatureInfo, + securityLayerConform); + } + + /** + * Parse the <code>DataObjectInfo</code> DOM elements contained in the given + * <code>SingleSignatureInfo</code> DOM element. + * + * @param sigInfoElem The <code>SingleSignatureInfo</code> DOM element + * whose <code>DataObjectInfo</code>s to parse. + * @return A <code>List</code> of <code>DataObjectInfo</code> API objects + * containing the data from the <code>DataObjectInfo</code> DOM elements. + * @throws MOAApplicationException An error occurred parsing one of the + * <code>DataObjectInfo</code>s. + */ + private List parseDataObjectInfos(Element sigInfoElem) + throws MOAApplicationException { + + List dataObjectInfos = new ArrayList(); + NodeIterator dataObjInfoElems = + XPathUtils.selectNodeIterator(sigInfoElem, DATA_OBJECT_INFO_XPATH); + Element dataObjInfoElem; + + while ((dataObjInfoElem = (Element) dataObjInfoElems.nextNode()) != null) { + dataObjectInfos.add(parseDataObjectInfo(dataObjInfoElem)); + } + return dataObjectInfos; + } + + /** + * Parse a <code>DataObjectInfo</code> DOM element. + * + * @param dataObjInfoElem The <code>DataObjectInfo</code> DOM element to + * parse. + * @return A <code>DataObjectInfo</code> API element containing the data + * from <code>dataObjInfoElem</code>. + * @throws MOAApplicationException An error occurred parsing the + * <code>DataObjectInfo</code>. + */ + private DataObjectInfo parseDataObjectInfo(Element dataObjInfoElem) + throws MOAApplicationException { + + String structure = dataObjInfoElem.getAttribute("Structure"); + Element dataObjectElem = + (Element) XPathUtils.selectSingleNode(dataObjInfoElem, DATA_OBJECT_XPATH); + Content dataObject = RequestParserUtils.parseContent(dataObjectElem); + CreateTransformsInfoProfile createTransformsInfoProfile = + parseCreateTransformsInfoProfile(dataObjInfoElem); + boolean childOfManifest; + + if (dataObjInfoElem.hasAttribute("ChildOfManifest")) { + childOfManifest = + BoolUtils.valueOf(dataObjInfoElem.getAttribute("ChildOfManifest")); + } else { + childOfManifest = false; + } + + return factory.createDataObjectInfo( + structure, + childOfManifest, + dataObject, + createTransformsInfoProfile); + } + + /** + * Parse a <code>CreateTransformsInfoProfile</code> DOM element. + * + * @param dataObjInfoElem The <code>DataObjectInfo</code> DOM element + * containing the <code>CreateTransformsInfoProfile</code>. + * @return The <code>CreateTransformsInfoProfile</code> API object containing + * the profile found in <code>dataObjInfoElem</code>. + * @throws MOAApplicationException An error occurred parsing the + * <code>CreateTransformsInfoProfile</code>. + */ + private CreateTransformsInfoProfile parseCreateTransformsInfoProfile(Element dataObjInfoElem) + throws MOAApplicationException { + + Element profileElem = + (Element) XPathUtils.selectSingleNode( + dataObjInfoElem, + CREATE_TRANSFORMS_INFO_PROFILE_XPATH); + + if ("CreateTransformsInfoProfile".equals(profileElem.getLocalName())) { + ProfileParser profileParser = new ProfileParser(); + return profileParser.parseCreateTransformsInfoProfile(profileElem); + + } else { + String profileID = DOMUtils.getText(profileElem); + return factory.createCreateTransformsInfoProfile(profileID); + } + } + + /** + * Parse the <code>CreateSignatureInfo</code> DOM element contained in + * a <code>SingleSignatureInfo</code>. + * + * @param sigInfoElem The <code>SingleSignatureInfo</code> DOM element + * containing the <code>CreateSignatureInfo</code> to be parsed. + * @return A <code>CreateSignatureInfo</code> API object containing the + * data from the <code>CreateSignatureInfo</code> DOM element, or + * <code>null</code>, if none was found. + */ + private CreateSignatureInfo parseCreateSignatureInfo(Element sigInfoElem) { + Element createInfoElem = + (Element) XPathUtils.selectSingleNode( + sigInfoElem, + CREATE_SIGNATURE_INFO_XPATH); + + if (createInfoElem != null) { + Element environmentElem = + (Element) XPathUtils.selectSingleNode( + createInfoElem, + CREATE_SIGNATURE_ENVIRONMENT_XPATH); + Content environment = RequestParserUtils.parseContent(environmentElem); + CreateSignatureEnvironmentProfile environmentProfile = + parseCreateSignatureEnvironmentProfile(createInfoElem); + + return factory.createCreateSignatureInfo(environment, environmentProfile); + } else { + return null; + } + } + + /** + * Parse the <code>CreateSignatureEnvironmentProfile</code> contained in + * the given <code>CreateSignatureInfo</code> DOM element. + * + * @param createInfoElem <code>CreateSignatureInfo</code> DOM element to + * parse. + * @return The <code>CreateSignatureEnvironmentProfile</code> contained + * in the given <code>CreateSignatureInfo</code> DOM element.. + */ + private CreateSignatureEnvironmentProfile parseCreateSignatureEnvironmentProfile(Element createInfoElem) { + Element profileElem = + (Element) XPathUtils.selectSingleNode( + createInfoElem, + CREATE_SIGNATURE_ENVIRONMENT_PROFILE_XPATH); + + if ("CreateSignatureEnvironmentProfile" + .equals(profileElem.getLocalName())) { + ProfileParser profileParser = new ProfileParser(); + return profileParser.parseCreateSignatureEnvironmentProfile(profileElem); + } else { + String profileID = DOMUtils.getText(profileElem); + return factory.createCreateSignatureEnvironmentProfile(profileID); + } + } + +}
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