1 files changed, 47 insertions, 0 deletions
diff --git a/sdnr/wt/oauth-provider/oauth-core/src/main/java/org/onap/ccsdk/features/sdnr/wt/oauthprovider/providers/RSAKeyReader.java b/sdnr/wt/oauth-provider/oauth-core/src/main/java/org/onap/ccsdk/features/sdnr/wt/oauthprovider/providers/RSAKeyReader.java
new file mode 100644
index 000000000..028dff9dd
--- /dev/null
+++ b/sdnr/wt/oauth-provider/oauth-core/src/main/java/org/onap/ccsdk/features/sdnr/wt/oauthprovider/providers/RSAKeyReader.java
@@ -0,0 +1,47 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * 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.ccsdk.features.sdnr.wt.oauthprovider.providers;
+
+import java.io.IOException;
+import java.security.interfaces.RSAPrivateKey;
+import java.security.interfaces.RSAPublicKey;
+
+public class RSAKeyReader {
+
+    private static final String PREFIX_FILEURL = "file://";
+
+    public static RSAPrivateKey getPrivateKey(String filenameOrContent) throws IOException {
+        if (filenameOrContent.startsWith(PREFIX_FILEURL)) {
+            return (RSAPrivateKey) PemUtils.readPrivateKeyFromFile(filenameOrContent.substring(PREFIX_FILEURL.length()),
+                    "RSA");
+        }
+        return (RSAPrivateKey) PemUtils.readPrivateKey(filenameOrContent, "RSA");
+    }
+
+    public static RSAPublicKey getPublicKey(String filenameOrContent) throws IOException {
+        if (filenameOrContent.startsWith(PREFIX_FILEURL)) {
+            return (RSAPublicKey) PemUtils.readPublicKeyFromFile(filenameOrContent.substring(PREFIX_FILEURL.length()),
+                    "RSA");
+        }
+        return (RSAPublicKey) PemUtils.readPublicKey(filenameOrContent, "RSA");
+    }
+}