src/share/classes/com/sun/org/apache/xml/internal/security/utils/resolver/implementations/ResolverFragment.java

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*** 1,149 **** /* * reserved comment block * DO NOT REMOVE OR ALTER! */ ! /* ! * Copyright 1999-2004 The Apache Software Foundation. ! * ! * Licensed under the Apache License, Version 2.0 (the "License"); ! * you may not use this file except in compliance with the License. ! * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * ! * Unless required by applicable law or agreed to in writing, software ! * distributed under the License is distributed on an "AS IS" BASIS, ! * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ! * See the License for the specific language governing permissions and ! * limitations under the License. ! * */ package com.sun.org.apache.xml.internal.security.utils.resolver.implementations; - - import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput; import com.sun.org.apache.xml.internal.security.utils.XMLUtils; import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverException; import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverSpi; - import org.w3c.dom.Attr; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; - /** * This resolver is used for resolving same-document URIs like URI="" of URI="#id". * ! * @author $Author: mullan $ * @see <A HREF="http://www.w3.org/TR/xmldsig-core/#sec-ReferenceProcessingModel">The Reference processing model in the XML Signature spec</A> * @see <A HREF="http://www.w3.org/TR/xmldsig-core/#sec-Same-Document">Same-Document URI-References in the XML Signature spec</A> * @see <A HREF="http://www.ietf.org/rfc/rfc2396.txt">Section 4.2 of RFC 2396</A> */ public class ResolverFragment extends ResourceResolverSpi { ! /** {@link java.util.logging} logging facility */ ! static java.util.logging.Logger log = ! java.util.logging.Logger.getLogger( ! ResolverFragment.class.getName()); public boolean engineIsThreadSafe() { return true; } /** * Method engineResolve * * @inheritDoc * @param uri * @param baseURI */ ! public XMLSignatureInput engineResolve(Attr uri, String baseURI) ! throws ResourceResolverException ! { ! String uriNodeValue = uri.getNodeValue(); ! Document doc = uri.getOwnerElement().getOwnerDocument(); ! Node selectedElem = null; ! if (uriNodeValue.equals("")) { /* * Identifies the node-set (minus any comment nodes) of the XML * resource containing the signature */ ! log.log(java.util.logging.Level.FINE, "ResolverFragment with empty URI (means complete document)"); selectedElem = doc; } else { - /* * URI="#chapter1" * Identifies a node-set containing the element with ID attribute * value 'chapter1' of the XML resource containing the signature. * XML Signature (and its applications) modify this node-set to ! * include the element plus all descendents including namespaces and * attributes -- but not comments. */ ! String id = uriNodeValue.substring(1); selectedElem = doc.getElementById(id); if (selectedElem == null) { Object exArgs[] = { id }; throw new ResourceResolverException( ! "signature.Verification.MissingID", exArgs, uri, baseURI); } ! if (secureValidation) { ! Element start = uri.getOwnerDocument().getDocumentElement(); if (!XMLUtils.protectAgainstWrappingAttack(start, id)) { Object exArgs[] = { id }; throw new ResourceResolverException( ! "signature.Verification.MultipleIDs", exArgs, ! uri, baseURI); } } ! if (log.isLoggable(java.util.logging.Level.FINE)) ! log.log(java.util.logging.Level.FINE, "Try to catch an Element with ID " + id + " and Element was " + selectedElem); } XMLSignatureInput result = new XMLSignatureInput(selectedElem); result.setExcludeComments(true); result.setMIMEType("text/xml"); ! if (baseURI != null && baseURI.length() > 0) { ! result.setSourceURI(baseURI.concat(uri.getNodeValue())); } else { ! result.setSourceURI(uri.getNodeValue()); } return result; } /** * Method engineCanResolve * @inheritDoc * @param uri ! * @param BaseURI ! * */ ! public boolean engineCanResolve(Attr uri, String BaseURI) { ! ! if (uri == null) { log.log(java.util.logging.Level.FINE, "Quick fail for null uri"); return false; } ! String uriNodeValue = uri.getNodeValue(); ! ! if (uriNodeValue.equals("") || ! ( ! (uriNodeValue.charAt(0)=='#') ! && !((uriNodeValue.charAt(1)=='x') && uriNodeValue.startsWith("#xpointer(")) ! ) ! ){ ! if (log.isLoggable(java.util.logging.Level.FINE)) ! log.log(java.util.logging.Level.FINE, "State I can resolve reference: \"" + uriNodeValue + "\""); return true; } ! if (log.isLoggable(java.util.logging.Level.FINE)) ! log.log(java.util.logging.Level.FINE, "Do not seem to be able to resolve reference: \"" + uriNodeValue + "\""); return false; } } --- 1,149 ---- /* * reserved comment block * DO NOT REMOVE OR ALTER! */ ! /** ! * Licensed to the Apache Software Foundation (ASF) under one ! * or more contributor license agreements. See the NOTICE file ! * distributed with this work for additional information ! * regarding copyright ownership. The ASF licenses this file ! * to you under the Apache License, Version 2.0 (the ! * "License"); you may not use this file except in compliance ! * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * ! * Unless required by applicable law or agreed to in writing, ! * software distributed under the License is distributed on an ! * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY ! * KIND, either express or implied. See the License for the ! * specific language governing permissions and limitations ! * under the License. */ package com.sun.org.apache.xml.internal.security.utils.resolver.implementations; import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput; import com.sun.org.apache.xml.internal.security.utils.XMLUtils; + import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverContext; import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverException; import com.sun.org.apache.xml.internal.security.utils.resolver.ResourceResolverSpi; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; /** * This resolver is used for resolving same-document URIs like URI="" of URI="#id". * ! * @author $Author: coheigea $ * @see <A HREF="http://www.w3.org/TR/xmldsig-core/#sec-ReferenceProcessingModel">The Reference processing model in the XML Signature spec</A> * @see <A HREF="http://www.w3.org/TR/xmldsig-core/#sec-Same-Document">Same-Document URI-References in the XML Signature spec</A> * @see <A HREF="http://www.ietf.org/rfc/rfc2396.txt">Section 4.2 of RFC 2396</A> */ public class ResolverFragment extends ResourceResolverSpi { ! /** {@link org.apache.commons.logging} logging facility */ ! private static java.util.logging.Logger log = ! java.util.logging.Logger.getLogger(ResolverFragment.class.getName()); ! ! @Override public boolean engineIsThreadSafe() { return true; } + /** * Method engineResolve * * @inheritDoc * @param uri * @param baseURI */ ! public XMLSignatureInput engineResolveURI(ResourceResolverContext context) ! throws ResourceResolverException { ! Document doc = context.attr.getOwnerElement().getOwnerDocument(); + Node selectedElem = null; + if (context.uriToResolve.equals("")) { /* * Identifies the node-set (minus any comment nodes) of the XML * resource containing the signature */ ! if (log.isLoggable(java.util.logging.Level.FINE)) { log.log(java.util.logging.Level.FINE, "ResolverFragment with empty URI (means complete document)"); + } selectedElem = doc; } else { /* * URI="#chapter1" * Identifies a node-set containing the element with ID attribute * value 'chapter1' of the XML resource containing the signature. * XML Signature (and its applications) modify this node-set to ! * include the element plus all descendants including namespaces and * attributes -- but not comments. */ ! String id = context.uriToResolve.substring(1); selectedElem = doc.getElementById(id); if (selectedElem == null) { Object exArgs[] = { id }; throw new ResourceResolverException( ! "signature.Verification.MissingID", exArgs, context.attr, context.baseUri ! ); } ! if (context.secureValidation) { ! Element start = context.attr.getOwnerDocument().getDocumentElement(); if (!XMLUtils.protectAgainstWrappingAttack(start, id)) { Object exArgs[] = { id }; throw new ResourceResolverException( ! "signature.Verification.MultipleIDs", exArgs, context.attr, context.baseUri ! ); } } ! if (log.isLoggable(java.util.logging.Level.FINE)) { ! log.log(java.util.logging.Level.FINE, ! "Try to catch an Element with ID " + id + " and Element was " + selectedElem ! ); ! } } XMLSignatureInput result = new XMLSignatureInput(selectedElem); result.setExcludeComments(true); result.setMIMEType("text/xml"); ! if (context.baseUri != null && context.baseUri.length() > 0) { ! result.setSourceURI(context.baseUri.concat(context.uriToResolve)); } else { ! result.setSourceURI(context.uriToResolve); } return result; } /** * Method engineCanResolve * @inheritDoc * @param uri ! * @param baseURI */ ! public boolean engineCanResolveURI(ResourceResolverContext context) { ! if (context.uriToResolve == null) { ! if (log.isLoggable(java.util.logging.Level.FINE)) { log.log(java.util.logging.Level.FINE, "Quick fail for null uri"); + } return false; } ! if (context.uriToResolve.equals("") || ! ((context.uriToResolve.charAt(0) == '#') && !context.uriToResolve.startsWith("#xpointer(")) ! ) { ! if (log.isLoggable(java.util.logging.Level.FINE)) { ! log.log(java.util.logging.Level.FINE, "State I can resolve reference: \"" + context.uriToResolve + "\""); ! } return true; } ! if (log.isLoggable(java.util.logging.Level.FINE)) { ! log.log(java.util.logging.Level.FINE, "Do not seem to be able to resolve reference: \"" + context.uriToResolve + "\""); ! } return false; } }