started work on Java Keystore support

src/main/java/com/github/jlangch/venice/impl/docgen/cheatsheet/DocGenerator.java

@@ -151,7 +151,7 @@ public DocGenerator(final boolean runExamples) {
                         "cargo-postgresql",
                         "installer",     "mimetypes",           "multipart",        "images",
                         "tomcat",        "jetty",               "http-client",       "http-client-j8",
-                        "openai",        "jtokkit",
+                        "openai",        "jtokkit",             "keystores",
                         "jdbc-core",     "jdbc-postgresql",     "chinook-postgresql",
                         "ring",          "ring-multipart",      "ring-session",     "ring-mw",
                         "ring-util",     "server-side-events",  "pretty-print"));

src/main/java/com/github/jlangch/venice/impl/modules/Modules.java

@@ -99,6 +99,7 @@ public static boolean isValidModule(final VncKeyword module) {
                         "jetty",
                         "jsonl",
                         "jtokkit",
+                        "keystores",
                         "kira",
                         "langchain",
                         "math",

src/main/java/com/github/jlangch/venice/util/ssl/Keystores.java

@@ -0,0 +1,84 @@
+/*   __    __         _
+ *   \ \  / /__ _ __ (_) ___ ___
+ *    \ \/ / _ \ '_ \| |/ __/ _ \
+ *     \  /  __/ | | | | (_|  __/
+ *      \/ \___|_| |_|_|\___\___|
+ *
+ *
+ * Copyright 2017-2024 Venice
+ *
+ * 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.
+ */
+package com.github.jlangch.venice.util.ssl;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Date;
+import java.util.List;
+
+import com.github.jlangch.venice.impl.util.CollectionUtil;
+
+
+public class Keystores {
+
+	public static KeyStore load(
+			final InputStream is,
+			final String password
+	) throws KeyStoreException,
+			 NoSuchAlgorithmException,
+			 CertificateException,
+			 IOException
+	{
+		final KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
+		keystore.load(is,password.toCharArray());
+
+		return keystore;
+	}
+
+	public static KeyStore load(
+			final byte[] ks,
+			final String password
+	) throws KeyStoreException,
+			 NoSuchAlgorithmException,
+			 CertificateException,
+			 IOException {
+		try(ByteArrayInputStream is = new ByteArrayInputStream(ks)) {
+			return load(is, password);
+		}
+	}
+
+	public List<String> aliases(final KeyStore keystore) throws KeyStoreException {
+		return CollectionUtil.toList(keystore.aliases());
+	}
+
+	public Date expiryDate(final KeyStore keystore, final String alias) throws KeyStoreException {
+		return ((X509Certificate)keystore.getCertificate(alias)).getNotAfter();
+	}
+
+	public Date expiryDate(final KeyStore keystore) throws KeyStoreException {
+		Date expiryDate = null;
+
+		for(String alias: aliases(keystore)) {
+			expiryDate = ((X509Certificate)keystore.getCertificate(alias)).getNotAfter();
+		}
+
+		return expiryDate;
+	}
+
+}

src/main/resources/com/github/jlangch/venice/keystores.venice

@@ -0,0 +1,26 @@
+;;;;   __    __         _
+;;;;   \ \  / /__ _ __ (_) ___ ___
+;;;;    \ \/ / _ \ '_ \| |/ __/ _ \
+;;;;     \  /  __/ | | | | (_|  __/
+;;;;      \/ \___|_| |_|_|\___\___|
+;;;;
+;;;;
+;;;; Copyright 2017-2024 Venice
+;;;;
+;;;; 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.
+
+;;;; Venice Java Keystore functions
+
+
+(ns keystores)
+