[SHIBUI-920]

write metadata-providers.xml file

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/CoreShibUiConfiguration.java

@@ -6,6 +6,7 @@
 import edu.internet2.tier.shibboleth.admin.ui.repository.MetadataResolverRepository;
 import edu.internet2.tier.shibboleth.admin.ui.repository.MetadataResolversPositionOrderContainerRepository;
 import edu.internet2.tier.shibboleth.admin.ui.scheduled.EntityDescriptorFilesScheduledTasks;
+import edu.internet2.tier.shibboleth.admin.ui.scheduled.MetadataProvidersScheduledTasks;
 import edu.internet2.tier.shibboleth.admin.ui.service.DefaultMetadataResolversPositionOrderContainerService;
 import edu.internet2.tier.shibboleth.admin.ui.service.DirectoryService;
 import edu.internet2.tier.shibboleth.admin.ui.service.DirectoryServiceImpl;
@@ -34,6 +35,7 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.support.ResourceBundleMessageSource;
+import org.springframework.core.io.Resource;
 import org.springframework.web.servlet.LocaleResolver;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
 import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
@@ -95,6 +97,12 @@ public EntityDescriptorFilesScheduledTasks entityDescriptorFilesScheduledTasks(E
         return new EntityDescriptorFilesScheduledTasks(metadataDir, entityDescriptorRepository, openSamlObjects());
     }
 
+    @Bean
+    @ConditionalOnProperty(name = "shibui.metadataProviders.target")
+    public MetadataProvidersScheduledTasks metadataProvidersScheduledTasks(@Value("${shibui.metadataProviders.target}") final Resource resource, final MetadataResolverService metadataResolverService) {
+        return new MetadataProvidersScheduledTasks(resource, metadataResolverService);
+    }
+
     @Bean
     public EntityIdsSearchService entityIdsSearchService(LuceneUtility luceneUtility, Analyzer fullTokenAnalyzer) {
         return new EntityIdsSearchServiceImpl(luceneUtility, fullTokenAnalyzer);

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/scheduled/MetadataProvidersScheduledTasks.java

@@ -0,0 +1,49 @@
+package edu.internet2.tier.shibboleth.admin.ui.scheduled;
+
+import edu.internet2.tier.shibboleth.admin.ui.service.MetadataResolverService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.WritableResource;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.IOException;
+import java.io.OutputStream;
+
+@Configuration
+@ConditionalOnProperty("shibui.metadataProviders.target")
+public class MetadataProvidersScheduledTasks {
+    private static final Logger logger = LoggerFactory.getLogger(MetadataProvidersScheduledTasks.class);
+
+    private final Resource target;
+    private final MetadataResolverService metadataResolverService;
+
+    public MetadataProvidersScheduledTasks(Resource target, MetadataResolverService metadataResolverService) {
+        this.target = target;
+        this.metadataResolverService = metadataResolverService;
+    }
+
+    @Scheduled(fixedRateString = "${shibui.metadataProviders.taskRunRate}")
+    @Transactional(readOnly = true)
+    public void generateMetadataProvidersFile() {
+        try (OutputStream os = ((WritableResource)target).getOutputStream()) {
+            Transformer transformer = TransformerFactory.newInstance().newTransformer();
+            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+            transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
+
+
+            transformer.transform(new DOMSource(metadataResolverService.generateConfiguration()), new StreamResult(os));
+        } catch (IOException | TransformerException e) {
+            logger.error(e.getLocalizedMessage(), e);
+        }
+    }
+}

backend/src/main/resources/application.properties

@@ -52,3 +52,9 @@ spring.profiles.active=default
 #Actuator endpoints (info)
 # Un-comment to get full git details exposed like author, abbreviated SHA-1, commit message
 #management.info.git.mode=full
+
+###
+# metadata-providers.xml write configuration
+
+# shibui.metadataProviders.target=file:/opt/shibboleth-idp/conf/shibui-metadata-providers.xml
+# shibui.metadataProviders.taskRunRate=30000