/*
* Copyright 1999-2010 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 org.apache.xml.security.test.utils.resolver;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import org.apache.xml.security.signature.XMLSignatureInput;
import org.apache.xml.security.utils.resolver.ResourceResolverException;
import org.apache.xml.security.utils.resolver.ResourceResolverSpi;
import org.apache.xml.utils.URI;
import org.w3c.dom.Attr;
/**
* This class helps us home users to resolve http URIs without a network
* connection.
* <BR />
* The OfflineResolver is only needed for Unit testing. This is not needed for
* a production environment. It's a very simple cache/proxy to HTTP space
* so that I can do unit testing with http:// URIs even if I'm not connected
* to the internet.
*
* @author $Author: coheigea $
*/
public class OfflineResolver extends ResourceResolverSpi {
/** {@link org.apache.commons.logging} logging facility */
static org.apache.commons.logging.Log log =
org.apache.commons.logging.LogFactory.getLog(OfflineResolver.class.getName());
/**
* Method engineResolve
*
* @param uri
* @param BaseURI
*
* @throws ResourceResolverException
*/
public XMLSignatureInput engineResolve(Attr uri, String BaseURI)
throws ResourceResolverException {
try {
String URI = uri.getNodeValue();
if (OfflineResolver._uriMap.containsKey(URI)) {
String newURI = (String) OfflineResolver._uriMap.get(URI);
log.debug("Mapped " + URI + " to " + newURI);
InputStream is = new FileInputStream(newURI);
log.debug("Available bytes = " + is.available());
XMLSignatureInput result = new XMLSignatureInput(is);
// XMLSignatureInput result = new XMLSignatureInput(inputStream);
result.setSourceURI(URI);
result.setMIMEType((String) OfflineResolver._mimeMap.get(URI));
return result;
} else {
Object exArgs[] = {
"The URI " + URI + " is not configured for offline work" };
throw new ResourceResolverException("generic.EmptyMessage", exArgs,
uri, BaseURI);
}
} catch (IOException ex) {
throw new ResourceResolverException("generic.EmptyMessage", ex, uri,
BaseURI);
}
}
/**
* We resolve http URIs <I>without</I> fragment...
*
* @param uri
* @param BaseURI
*
*/
public boolean engineCanResolve(Attr uri, String BaseURI) {
String uriNodeValue = uri.getNodeValue();
if (uriNodeValue.equals("") || uriNodeValue.startsWith("#")) {
return false;
}
try {
URI uriNew = new URI(new URI(BaseURI), uri.getNodeValue());
if (uriNew.getScheme().equals("http")) {
log.debug("I state that I can resolve " + uriNew.toString());
return true;
}
log.debug("I state that I can't resolve " + uriNew.toString());
} catch (URI.MalformedURIException ex) {}
return false;
}
/** Field _uriMap */
static Map _uriMap = null;
/** Field _mimeMap */
static Map _mimeMap = null;
/**
* Method register
*
* @param URI
* @param filename
* @param MIME
*/
private static void register(String URI, String filename, String MIME) {
OfflineResolver._uriMap.put(URI, filename);
OfflineResolver._mimeMap.put(URI, MIME);
}
static {
org.apache.xml.security.Init.init();
OfflineResolver._uriMap = new HashMap();
OfflineResolver._mimeMap = new HashMap();
String basedir =
System.getProperty("basedir") == null ? "./": System.getProperty("basedir") + "/";
OfflineResolver.register("http://www.w3.org/TR/xml-stylesheet",
basedir + "data/org/w3c/www/TR/xml-stylesheet.html",
"text/html");
OfflineResolver.register("http://www.w3.org/TR/2000/REC-xml-20001006",
basedir + "data/org/w3c/www/TR/2000/REC-xml-20001006",
"text/xml");
OfflineResolver.register("http://www.nue.et-inf.uni-siegen.de/index.html",
basedir + "data/org/apache/xml/security/temp/nuehomepage",
"text/html");
OfflineResolver.register(
"http://www.nue.et-inf.uni-siegen.de/~geuer-pollmann/id2.xml",
basedir + "data/org/apache/xml/security/temp/id2.xml", "text/xml");
OfflineResolver.register(
"http://xmldsig.pothole.com/xml-stylesheet.txt",
basedir + "data/com/pothole/xmldsig/xml-stylesheet.txt", "text/xml");
OfflineResolver.register(
"http://www.w3.org/Signature/2002/04/xml-stylesheet.b64",
basedir + "data/ie/baltimore/merlin-examples/merlin-xmldsig-twenty-three/xml-stylesheet.b64", "text/plain");
}
}