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1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package edu.internet2.middleware.shibboleth.common.config.security;
18  
19  import javax.xml.namespace.QName;
20  
21  import org.opensaml.xml.util.XMLHelper;
22  import org.slf4j.Logger;
23  import org.slf4j.LoggerFactory;
24  import org.springframework.beans.factory.support.AbstractBeanDefinition;
25  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
26  import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
27  import org.springframework.beans.factory.xml.ParserContext;
28  import org.w3c.dom.Element;
29  
30  import edu.internet2.middleware.shibboleth.common.config.SpringConfigurationUtils;
31  
32  /**
33   * Spring configuration parser for shibboleth security policies.
34   */
35  public class ShibbolethSecurityPolicyBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
36  
37      /** Default element name. */
38      public static final QName ELEMENT_NAME = new QName(SecurityNamespaceHandler.NAMESPACE, "SecurityPolicy");
39  
40      /** Schema type. */
41      public static final QName SCHEMA_TYPE = new QName(SecurityNamespaceHandler.NAMESPACE, "SecurityPolicyType");
42  
43      /** Class logger. */
44      private final Logger log = LoggerFactory.getLogger(ShibbolethSecurityPolicyBeanDefinitionParser.class);
45  
46      /** {@inheritDoc} */
47      protected Class getBeanClass(Element element) {
48          return ShibbolethSecurityPolicyFactoryBean.class;
49      }
50  
51      /** {@inheritDoc} */
52      protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) {
53          return element.getAttributeNS(null, "id");
54      }
55  
56      /** {@inheritDoc} */
57      protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
58          log.info("Parsing configuration for {} security policy with id: {}", XMLHelper.getXSIType(element)
59                  .getLocalPart(), element.getAttributeNS(null, "id"));
60  
61          String policyId = element.getAttributeNS(null, "id");
62          log.debug("Configuring security policy: {}", policyId);
63          builder.addPropertyValue("policyId", policyId);
64  
65          builder.addPropertyValue("policyRules", SpringConfigurationUtils.parseInnerCustomElements(XMLHelper
66                  .getChildElementsByTagNameNS(element, SecurityNamespaceHandler.NAMESPACE, "Rule"), parserContext));
67      }
68  }