src/edu/internet2/middleware/shibboleth/metadata/URLMetadataProvider.java

   1
   2 package edu.internet2.middleware.shibboleth.metadata;
   3
   4 import org.apache.log4j.Logger;
   5 import org.opensaml.saml2.metadata.provider.MetadataProvider;
   6 import org.opensaml.saml2.metadata.provider.MetadataProviderException;
   7 import org.w3c.dom.Element;
   8
   9 /**
  10  * Loads metadata from a URL specified in the IdP configuration.
  11  *
  12  * @author Walter Hoehn
  13  */
  14 public class URLMetadataProvider extends ShibbolethConfigurableMetadataProvider implements MetadataProvider {
  15
  16         private static Logger log = Logger.getLogger(URLMetadataProvider.class.getName());
  17
  18         public URLMetadataProvider(Element configuration) throws MetadataProviderException {
  19
  20                 super(configuration);
  21
  22                 // Grab the URL from the config
  23                 String url = ((Element) configuration).getAttribute("url");
  24                 if (url == null || url.equals("")) {
  25                         log.error("Unable to load URL Metadata Provider.  A (url) attribute is required.  "
  26                                         + "Add a (url) attribute to <MetadataProvider/>.");
  27                         throw new MetadataProviderException("Required configuration not specified.");
  28                 }
  29
  30                 // Grab the request timeout, if there is one. If not, use a reasonable default
  31                 int requestTimeout = 1000 * 1 * 60; // 1 minute
  32                 String rawRequestTimeout = ((Element) configuration).getAttribute("requestTimeout");
  33                 if (rawRequestTimeout != null && !rawRequestTimeout.equals("")) {
  34                         try {
  35                                 requestTimeout = Integer.valueOf(rawRequestTimeout);
  36                         } catch (NumberFormatException nfe) {
  37                                 log.error("Unable to load URL Metadata Provider.  The (requestTimeout) attribute must be an integer.  "
  38                                                 + "Modify the (requestTimeout) attribute on <MetadataProvider/>.");
  39                                 throw new MetadataProviderException("Configuration is invalid.");
  40                         }
  41                 }
  42
  43                 // Construct provider from config
  44                 try {
  45                         provider = new org.opensaml.saml2.metadata.provider.URLMetadataProvider(url, requestTimeout);
  46
  47                         // If there is a cache duration, set it
  48                         String rawMaxCacheDuration = ((Element) configuration).getAttribute("maxCacheDuration");
  49                         if (rawMaxCacheDuration != null && !rawMaxCacheDuration.equals("")) {
  50                                 try {
  51                                         ((org.opensaml.saml2.metadata.provider.URLMetadataProvider) provider).setMaxDuration(Integer
  52                                                         .valueOf(rawMaxCacheDuration));
  53                                 } catch (NumberFormatException nfe) {
  54                                         log.error("Unable to load URL Metadata Provider.  The (maxCacheDuration) attribute must be "
  55                                                         + "an integer.  Modify the (maxCacheDuration) attribute on <MetadataProvider/>.");
  56                                         throw new MetadataProviderException("Configuration is invalid.");
  57                                 }
  58                         }
  59
  60                 } catch (MetadataProviderException e) {
  61                         log.error("Unable to load URL Metadata Provider: " + e);
  62                         throw e;
  63                 }
  64         }
  65 }