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/*
* Copyright 2006-2009 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 javax.xml.crypto.test.dsig;
import java.io.File;
import java.security.Security;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import junit.framework.*;
import javax.xml.crypto.test.KeySelectors;
import javax.xml.crypto.Data;
import javax.xml.crypto.URIDereferencer;
import javax.xml.crypto.URIReference;
import javax.xml.crypto.URIReferenceException;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.dsig.XMLSignatureException;
import javax.xml.crypto.dsig.XMLSignatureFactory;
import javax.xml.crypto.dsig.dom.DOMValidateContext;
/**
* This is a testcase that validates various signatures
*
* @author Sean Mullan
*/
public class ValidateSignatureTest extends TestCase {
private SignatureValidator validator;
private File dir;
static {
Security.insertProviderAt
(new org.jcp.xml.dsig.internal.dom.XMLDSigRI(), 1);
}
public ValidateSignatureTest(String name) {
super(name);
String fs = System.getProperty("file.separator");
String base = System.getProperty("basedir") == null ? "./": System.getProperty("basedir");
dir = new File(base + fs + "data" + fs
+ "javax" + fs + "xml" + fs + "crypto", "dsig");
validator = new SignatureValidator(dir);
}
/**
* Validates a signature that references an element with an ID attribute.
* The element's ID needs to be registered so that it can be found.
*/
public void test_signature_with_ID() throws Exception {
String file = "envelopingSignature.xml";
DOMValidateContext vc = validator.getValidateContext
(file, new KeySelectors.KeyValueKeySelector());
Document doc = vc.getNode().getOwnerDocument();
NodeList nl = doc.getElementsByTagName("Assertion");
vc.setIdAttributeNS((Element) nl.item(0), null, "AssertionID");
boolean coreValidity = validator.validate(vc);
assertTrue("Signature failed core validation", coreValidity);
}
public void test_signature_external_c14n_xmlattrs() throws Exception {
String file = "signature-external-c14n-xmlatrs.xml";
boolean coreValidity = validator.validate(file,
new KeySelectors.SecretKeySelector("secret".getBytes("ASCII")));
assertTrue("Signature failed core validation", coreValidity);
}
/**
* This test checks that the signature is verified before the references.
*/
public void test_invalid_signature() throws Exception {
InvalidURIDereferencer ud = new InvalidURIDereferencer();
boolean coreValidity = validator.validate("invalid-signature.xml",
new KeySelectors.KeyValueKeySelector(), ud);
assertFalse("Invalid signature should fail!", coreValidity);
assertTrue("References validated before signature", ud.dereferenced);
}
public void test_signature_enveloping_hmac_sha1_trunclen_0() throws Exception {
try {
boolean coreValidity = validator.validate
("signature-enveloping-hmac-sha1-trunclen-0-attack.xml",
new KeySelectors.SecretKeySelector("secret".getBytes("ASCII")));
fail("Expected HMACOutputLength exception");
} catch (XMLSignatureException xse) {
System.out.println(xse.getMessage());
// pass
}
}
public void test_signature_enveloping_hmac_sha1_trunclen_8() throws Exception {
try {
boolean coreValidity = validator.validate
("signature-enveloping-hmac-sha1-trunclen-8-attack.xml",
new KeySelectors.SecretKeySelector("secret".getBytes("ASCII")));
fail("Expected HMACOutputLength exception");
} catch (XMLSignatureException xse) {
System.out.println(xse.getMessage());
// pass
}
}
/**
* Set flag if called.
*/
static class InvalidURIDereferencer implements URIDereferencer {
boolean dereferenced = false;
private URIDereferencer ud =
XMLSignatureFactory.getInstance().getURIDereferencer();
public Data dereference(final URIReference ref, XMLCryptoContext ctx)
throws URIReferenceException {
dereferenced = true;
// fallback
return ud.dereference(ref, ctx);
}
}
public static void main(String[] args) throws Exception {
ValidateSignatureTest vst = new ValidateSignatureTest("");
vst.test_signature_with_ID();
vst.test_signature_external_c14n_xmlattrs();
}
}
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