1 files changed, 53 insertions, 0 deletions
diff --git a/certService/src/main/java/org/onap/oom/certservice/certification/X509CertificateParser.java b/certService/src/main/java/org/onap/oom/certservice/certification/X509CertificateParser.java
new file mode 100644
index 00000000..67b12796
--- /dev/null
+++ b/certService/src/main/java/org/onap/oom/certservice/certification/X509CertificateParser.java
@@ -0,0 +1,53 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Cert Service
+ * ================================================================================
+ * Copyright (C) 2021 Nokia. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.oom.certservice.certification;
+
+import java.security.cert.CertificateParsingException;
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import javax.security.auth.x500.X500Principal;
+import org.bouncycastle.asn1.x500.X500Name;
+import org.bouncycastle.asn1.x509.GeneralName;
+import org.springframework.stereotype.Service;
+
+@Service
+public class X509CertificateParser {
+
+    public X500Name getSubject(X509Certificate certificate) {
+        final X500Principal subjectX500Principal = certificate.getSubjectX500Principal();
+        return new X500Name(subjectX500Principal.getName());
+    }
+
+    public GeneralName[] getSans(X509Certificate certificate) throws CertificateParsingException {
+        final Collection<List<?>> sans = certificate.getSubjectAlternativeNames();
+        if (sans == null) {
+            return new GeneralName[0];
+        }
+        final ArrayList<GeneralName> generalNames = new ArrayList<>();
+        for (List<?> san : sans) {
+            GeneralName sanGn = new GeneralName((Integer) san.get(0), san.get(1).toString());
+            generalNames.add(sanGn);
+        }
+        return generalNames.toArray(new GeneralName[0]);
+    }
+}