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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.idp.config.profile.authn;
18  
19  import java.util.ArrayList;
20  import java.util.List;
21  
22  import org.opensaml.xml.util.DatatypeHelper;
23  import org.opensaml.xml.util.XMLHelper;
24  import org.slf4j.Logger;
25  import org.slf4j.LoggerFactory;
26  import org.springframework.beans.factory.support.BeanDefinitionBuilder;
27  import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
28  import org.w3c.dom.Element;
29  
30  import edu.internet2.middleware.shibboleth.idp.config.profile.ProfileHandlerNamespaceHandler;
31  
32  /**
33   * Base class for authentication handler definition parsers.
34   */
35  public abstract class AbstractLoginHandlerBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
36  
37      /** Class logger. */
38      private static Logger log = LoggerFactory.getLogger(AbstractLoginHandlerBeanDefinitionParser.class);
39  
40      /** {@inheritDoc} */
41      protected void doParse(Element config, BeanDefinitionBuilder builder) {
42          log.debug("Parsing configuration for {} authentication handler.", XMLHelper.getXSIType(config).getLocalPart());
43  
44          int duration = 30;
45          if (config.hasAttributeNS(null, "authenticationDuration")) {
46              duration = Integer.parseInt(config.getAttributeNS(null, "authenticationDuration"));
47          }
48          log.debug("Authentication handler declared duration of {} minutes", duration);
49          builder.addPropertyValue("authenticationDuration", duration);
50  
51          String authnMethod;
52          ArrayList<String> authnMethods = new ArrayList<String>();
53          List<Element> authnMethodElems = XMLHelper.getChildElementsByTagNameNS(config,
54                  ProfileHandlerNamespaceHandler.NAMESPACE, "AuthenticationMethod");
55          for (Element authnMethodElem : authnMethodElems) {
56              authnMethod = DatatypeHelper.safeTrimOrNullString(authnMethodElem.getTextContent());
57              log.debug("Authentication handler declared support for authentication method {}", authnMethod);
58              authnMethods.add(authnMethod);
59          }
60          builder.addPropertyValue("authenticationMethods", authnMethods);
61      }
62  
63      /** {@inheritDoc} */
64      protected boolean shouldGenerateId() {
65          return true;
66      }
67  }