/**
* 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 org.apache.xml.security.test.dom.transforms.implementations;
import java.io.ByteArrayInputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;
import org.apache.xml.security.signature.XMLSignatureInput;
import org.apache.xml.security.test.dom.DSNamespaceContext;
import org.apache.xml.security.transforms.Transforms;
import org.apache.xml.security.transforms.implementations.TransformBase64Decode;
import org.apache.xml.security.utils.XMLUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* Unit test for {@link org.apache.xml.security.transforms.implementations.TransformBase64Decode}
*
* @author Christian Geuer-Pollmann
*/
public class TransformBase64DecodeTest extends org.junit.Assert {
static org.slf4j.Logger log =
org.slf4j.LoggerFactory.getLogger(TransformBase64DecodeTest.class);
static {
org.apache.xml.security.Init.init();
}
@org.junit.Test
public void test1() throws Exception {
// base64 encoded
String s1 =
"VGhlIFVSSSBvZiB0aGUgdHJhbnNmb3JtIGlzIGh0dHA6Ly93d3cudzMub3JnLzIwMDAvMDkveG1s\n"
+ "ZHNpZyNiYXNlNjQ=";
Document doc = TransformBase64DecodeTest.createDocument();
Transforms t = new Transforms(doc);
doc.appendChild(t.getElement());
t.addTransform(TransformBase64Decode.implementedTransformURI);
XMLSignatureInput in =
new XMLSignatureInput(new ByteArrayInputStream(s1.getBytes()));
XMLSignatureInput out = t.performTransforms(in);
String result = new String(out.getBytes());
assertTrue(
result.equals("The URI of the transform is http://www.w3.org/2000/09/xmldsig#base64")
);
}
@org.junit.Test
public void test2() throws Exception {
// base64 encoded twice
String s2 =
"VkdobElGVlNTU0J2WmlCMGFHVWdkSEpoYm5ObWIzSnRJR2x6SUdoMGRIQTZMeTkzZDNjdWR6TXVi\n"
+ "M0puTHpJd01EQXZNRGt2ZUcxcwpaSE5wWnlOaVlYTmxOalE9";
Document doc = TransformBase64DecodeTest.createDocument();
Transforms t = new Transforms(doc);
doc.appendChild(t.getElement());
t.addTransform(TransformBase64Decode.implementedTransformURI);
XMLSignatureInput in =
new XMLSignatureInput(new ByteArrayInputStream(s2.getBytes()));
XMLSignatureInput out = t.performTransforms(t.performTransforms(in));
String result = new String(out.getBytes());
assertTrue(
result.equals("The URI of the transform is http://www.w3.org/2000/09/xmldsig#base64")
);
}
@org.junit.Test
public void test3() throws Exception {
//J-
String input = ""
+ "<Object xmlns:signature='http://www.w3.org/2000/09/xmldsig#'>\n"
+ "<signature:Base64>\n"
+ "VGhlIFVSSSBvZiB0aGU gdHJhbn<RealText>Nmb 3JtIGlzIG<test/>h0dHA6</RealText>Ly93d3cudzMub3JnLzIwMDAvMDkveG1s\n"
+ "ZHNpZyNiYXNlNjQ=\n"
+ "</signature:Base64>\n"
+ "</Object>\n"
;
//J+
DocumentBuilder db = XMLUtils.createDocumentBuilder(false);
db.setErrorHandler(new org.apache.xml.security.utils.IgnoreAllErrorHandler());
Document doc = db.parse(new ByteArrayInputStream(input.getBytes()));
//XMLUtils.circumventBug2650(doc);
XPathFactory xpf = XPathFactory.newInstance();
XPath xpath = xpf.newXPath();
xpath.setNamespaceContext(new DSNamespaceContext());
String expression = "//ds:Base64";
Node base64Node =
(Node) xpath.evaluate(expression, doc, XPathConstants.NODE);
XMLSignatureInput xmlinput = new XMLSignatureInput(base64Node);
Document doc2 = TransformBase64DecodeTest.createDocument();
Transforms t = new Transforms(doc2);
doc2.appendChild(t.getElement());
t.addTransform(Transforms.TRANSFORM_BASE64_DECODE);
XMLSignatureInput out = t.performTransforms(xmlinput);
String result = new String(out.getBytes());
assertTrue(
"\"" + result + "\"",
result.equals("The URI of the transform is http://www.w3.org/2000/09/xmldsig#base64")
);
}
private static Document createDocument() throws ParserConfigurationException {
DocumentBuilder db = XMLUtils.createDocumentBuilder(false);
Document doc = db.newDocument();
if (doc == null) {
throw new RuntimeException("Could not create a Document");
} else {
log.debug("I could create the Document");
}
return doc;
}
}