org.wso2.carbon.identity.relyingparty.saml.tokens.SAML1TokenHolder.java Source code

Introduction

Here is the source code for org.wso2.carbon.identity.relyingparty.saml.tokens.SAML1TokenHolder.java

Source

/*
 * Copyright 2005-2008 WSO2, Inc. (http://wso2.com)
 *
 * 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.wso2.carbon.identity.relyingparty.saml.tokens;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.opensaml.saml1.core.Assertion;
import org.opensaml.saml1.core.Attribute;
import org.opensaml.saml1.core.AttributeStatement;
import org.opensaml.xml.Configuration;
import org.opensaml.xml.io.Unmarshaller;
import org.opensaml.xml.io.UnmarshallerFactory;
import org.opensaml.xml.io.UnmarshallingException;
import org.opensaml.xml.schema.XSAny;
import org.opensaml.xml.schema.XSString;
import org.opensaml.xml.signature.Signature;
import org.w3c.dom.Element;

public class SAML1TokenHolder implements TokenHolder {

    private Assertion assertion = null;
    private boolean isMultipleValues = false;
    private static Log log = LogFactory.getLog(SAML1TokenHolder.class);

    public SAML1TokenHolder(Element element) throws UnmarshallingException {
        createToken(element);
    }

    /**
     * Creates the SAML object from the element This method must be called first
     * 
     * @param elem
     * @throws UnmarshallingException If the token creation fails
     */
    public void createToken(Element elem) throws UnmarshallingException {
        UnmarshallerFactory unmarshallerFactory = Configuration.getUnmarshallerFactory();
        Unmarshaller unmarshaller = unmarshallerFactory.getUnmarshaller(elem);
        assertion = (Assertion) unmarshaller.unmarshall(elem);
    }

    /**
     * @return the SAML signature.
     */
    public Signature getSAMLSignature() {
        return assertion.getSignature();
    }

    /**
     * Issuer of the SAML token
     * 
     * @return
     */
    public String getIssuerName() {
        return assertion.getIssuer();
    }

    /**
     * Populates the attributes.
     * 
     * @param attributeTable
     */
    public void populateAttributeTable(Map<String, String> attributeTable) {
        Iterator<AttributeStatement> statements = assertion.getAttributeStatements().iterator();

        while (statements.hasNext()) {
            AttributeStatement statement = statements.next();
            Iterator<Attribute> attrs = statement.getAttributes().iterator();

            while (attrs.hasNext()) {
                Attribute attr = (Attribute) attrs.next();
                String name = attr.getAttributeNamespace() + "/" + attr.getAttributeName();

                List attributeValues = attr.getAttributeValues();
                Iterator values = attributeValues.iterator();
                int count = 0;
                StringBuffer buffer = new StringBuffer();

                while (values.hasNext()) {
                    Object value = values.next();
                    if (value instanceof XSString) {
                        buffer.append(((XSString) value).getValue());
                    } else if (value instanceof XSAny) {
                        buffer.append(((XSAny) value).getTextContent());
                    }
                    buffer.append(",");
                    count++;
                }

                if (buffer.length() > 1) {
                    buffer.deleteCharAt(buffer.length() - 1);
                }

                if (count > 1) {
                    isMultipleValues = true;
                }

                attributeTable.put(name, buffer.toString());
            }
        }

        if (log.isDebugEnabled()) {
            log.debug("Attribute table populated for SAML 1 Token");
        }
    }
}