1 files changed, 69 insertions, 0 deletions
diff --git a/core_common_webapp/src/main/java/at/asitplus/eidas/specific/core/health/EidasNodeMetadataHealthIndicator.java b/core_common_webapp/src/main/java/at/asitplus/eidas/specific/core/health/EidasNodeMetadataHealthIndicator.java
new file mode 100644
index 00000000..754fe9ab
--- /dev/null
+++ b/core_common_webapp/src/main/java/at/asitplus/eidas/specific/core/health/EidasNodeMetadataHealthIndicator.java
@@ -0,0 +1,69 @@
+package at.asitplus.eidas.specific.core.health;
+
+import java.io.ByteArrayInputStream;
+
+import javax.xml.transform.TransformerFactoryConfigurationError;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.http.StatusLine;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.client.utils.URIBuilder;
+import org.apache.http.entity.ContentType;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.actuate.health.Health;
+import org.springframework.boot.actuate.health.HealthIndicator;
+
+import at.asitplus.eidas.specific.core.MsEidasNodeConstants;
+import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
+import at.gv.egiz.eaaf.core.impl.data.Triple;
+import at.gv.egiz.eaaf.core.impl.http.HttpUtils;
+import at.gv.egiz.eaaf.core.impl.http.IHttpClientFactory;
+import at.gv.egiz.eaaf.core.impl.utils.DomUtils;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class EidasNodeMetadataHealthIndicator implements HealthIndicator {
+
+  @Autowired IConfiguration config;
+  @Autowired IHttpClientFactory httpClientFactory;
+  
+  @Override
+  public Health health() {
+    try {
+      final String urlString = config.getBasicConfiguration(
+          MsEidasNodeConstants.PROP_CONFIG_MONITORING_EIDASNODE_METADATAURL);
+      if (StringUtils.isEmpty(urlString)) {
+        log.trace("No eIDASNode metadata URL. Skipping test ... ");
+        return Health.unknown().build();
+
+      }
+
+      // create HTTP client
+      CloseableHttpClient httpClient = httpClientFactory.getHttpClient();      
+      URIBuilder uriBuilder = new URIBuilder(urlString);      
+      HttpUriRequest request = new HttpGet(uriBuilder.build());
+
+      final Triple<StatusLine, ByteArrayInputStream, ContentType> respCode = httpClient.execute(request,
+          HttpUtils.bodyStatusCodeResponseHandler());
+      if (respCode.getFirst().getStatusCode() != 200) {
+        log.warn("Monitoring: Get http StatusCode: {} from eIDAS-Node Metadata endpoint", 
+            respCode.getFirst().getStatusCode());
+        return Health.down().withDetail("http StatusCode", respCode.getFirst().getStatusCode()).build();
+
+      }
+
+      // parse metadata
+      DomUtils.parseXmlNonValidating(respCode.getSecond());
+
+      return Health.up().build();
+
+    } catch (Exception | TransformerFactoryConfigurationError e) {
+      log.warn("Monitoring: Can not read SAML2 metadata from eIDAS-Node", e);
+      return Health.down().down(e).build();
+
+    }
+  }
+
+}