1 files changed, 56 insertions, 0 deletions
diff --git a/hv-collector-ssl/src/main/kotlin/org/onap/dcae/collectors/veshv/ssl/boundary/SslContextFactory.kt b/hv-collector-ssl/src/main/kotlin/org/onap/dcae/collectors/veshv/ssl/boundary/SslContextFactory.kt
new file mode 100644
index 00000000..1fa20229
--- /dev/null
+++ b/hv-collector-ssl/src/main/kotlin/org/onap/dcae/collectors/veshv/ssl/boundary/SslContextFactory.kt
@@ -0,0 +1,56 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.ssl.boundary
+
+import arrow.core.Option
+import io.netty.handler.ssl.ClientAuth
+import io.netty.handler.ssl.SslContext
+import io.netty.handler.ssl.SslContextBuilder
+import org.onap.dcae.collectors.veshv.domain.JdkKeys
+import org.onap.dcae.collectors.veshv.domain.OpenSslKeys
+import org.onap.dcae.collectors.veshv.domain.SecurityConfiguration
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since September 2018
+ */
+abstract class SslContextFactory {
+    fun createSslContext(secConfig: SecurityConfiguration): Option<SslContext> =
+            if (secConfig.sslDisable) {
+                Option.empty()
+            } else {
+                createSslContextWithConfiguredCerts(secConfig)
+                        .map { builder ->
+                            builder.clientAuth(ClientAuth.REQUIRE)
+                                    .build()
+                        }
+            }
+
+    protected open fun createSslContextWithConfiguredCerts(secConfig: SecurityConfiguration): Option<SslContextBuilder> =
+            secConfig.keys.map { keys ->
+                when (keys) {
+                    is JdkKeys -> jdkContext(keys)
+                    is OpenSslKeys -> openSslContext(keys)
+                }
+            }
+
+    protected abstract fun openSslContext(openSslKeys: OpenSslKeys): SslContextBuilder
+    protected abstract fun jdkContext(jdkKeys: JdkKeys): SslContextBuilder
+}