Add transport-tls

[netconf.git] / transport / transport-tls / src / main / java / org / opendaylight / netconf / transport / tls / IetfTlsCommonFeatureProvider.java

diff --git a/transport/transport-tls/src/main/java/org/opendaylight/netconf/transport/tls/IetfTlsCommonFeatureProvider.java b/transport/transport-tls/src/main/java/org/opendaylight/netconf/transport/tls/IetfTlsCommonFeatureProvider.java
new file mode 100644 (file)
index 0000000..604877d
--- /dev/null
+++ b/transport/transport-tls/src/main/java/org/opendaylight/netconf/transport/tls/IetfTlsCommonFeatureProvider.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.netconf.transport.tls;
+
+import java.util.Map;
+import java.util.Set;
+import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.eclipse.jdt.annotation.Nullable;
+import org.kohsuke.MetaInfServices;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.HelloParams;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.IetfTlsCommonData;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.Tls12$F;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.Tls12$I;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.Tls13$F;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.Tls13$I;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.tls.common.rev221212.TlsVersionBase;
+import org.opendaylight.yangtools.yang.binding.YangFeature;
+import org.opendaylight.yangtools.yang.binding.YangFeatureProvider;
+
+/**
+ * Baseline features supported from {@code ietf-tls-common.yang}.
+ */
+@MetaInfServices
+@NonNullByDefault
+public final class IetfTlsCommonFeatureProvider implements YangFeatureProvider<IetfTlsCommonData> {
+    private static final Map<TlsVersionBase, String> TLS_VERSIONS =
+        Map.of(Tls12$I.VALUE, "TLSv1.2", Tls13$I.VALUE, "TLSv1.3");
+
+    @Override
+    public Class<IetfTlsCommonData> boundModule() {
+        return IetfTlsCommonData.class;
+    }
+
+    @Override
+    public Set<? extends YangFeature<?, IetfTlsCommonData>> supportedFeatures() {
+        // Note: do not advertize TLS versions not present in TLS_VERSIONS!
+        return Set.of(HelloParams.VALUE, Tls12$F.VALUE, Tls13$F.VALUE);
+    }
+
+    static @Nullable String algorithmNameOf(final TlsVersionBase version) {
+        return TLS_VERSIONS.get(version);
+    }
+}