src/java.management.rest/share/classes/javax/management/remote/rest/PlatformRestAdapter.java
branchjmx-rest-api
changeset 56026 bd531f08d7c7
parent 56007 d6cbabcaf518
child 56027 81372436b79e
--- a/src/java.management.rest/share/classes/javax/management/remote/rest/PlatformRestAdapter.java	Fri Jan 05 13:42:53 2018 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,384 +0,0 @@
-/*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package javax.management.remote.rest;
-
-import com.oracle.jmx.remote.rest.http.MBeanServerCollectionResource;
-import com.oracle.jmx.remote.rest.http.MBeanServerResource;
-import com.sun.net.httpserver.HttpServer;
-import com.sun.net.httpserver.HttpsConfigurator;
-import com.sun.net.httpserver.HttpsServer;
-
-import javax.management.*;
-import javax.net.ssl.KeyManagerFactory;
-import javax.net.ssl.SSLContext;
-import javax.net.ssl.TrustManagerFactory;
-import java.io.BufferedInputStream;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.lang.management.ManagementFactory;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.UnknownHostException;
-import java.security.KeyStore;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-import java.util.concurrent.*;
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * This is the root class that initializes the HTTPServer and
- * REST adapter for platform mBeanServer.
- *
- * @since 11
- */
-public class PlatformRestAdapter implements MBeanServerFactoryListener {
-
-    /*
-     * Initializes HTTPServer with settings from config file
-     * acts as container for platform rest adapter
-     */
-    private static HttpServer httpServer = null;
-
-    // Save configuration to be used for other MBeanServers
-    private static Map<String, Object> env;
-    private static List<MBeanServerResource> restAdapters = new CopyOnWriteArrayList<>();
-    private static final int maxThreadCount = 5;
-
-    private PlatformRestAdapter() {
-    }
-
-    private static class HttpThreadFactory implements ThreadFactory {
-        private final ThreadGroup group;
-        private final AtomicInteger threadNumber = new AtomicInteger(1);
-        private final String namePrefix = "http-thread-";
-
-        HttpThreadFactory() {
-            SecurityManager s = System.getSecurityManager();
-            group = (s != null) ? s.getThreadGroup() :
-                    Thread.currentThread().getThreadGroup();
-        }
-
-        public Thread newThread(Runnable r) {
-            Thread t = new Thread(group, r,
-                    namePrefix + threadNumber.getAndIncrement(),
-                    0);
-            if (t.isDaemon())
-                t.setDaemon(false);
-            if (t.getPriority() != Thread.NORM_PRIORITY)
-                t.setPriority(Thread.NORM_PRIORITY);
-            return t;
-        }
-    }
-
-    /**
-     * Starts the HTTP server with confiuration specified in properties.
-     * The configuration properties are Interface name/IP, port and SSL configuration
-     * By default the server binds to address '0.0.0.0' and port '0'. SSL is off by default. [TODO]The
-     * keyStore will be created one if not configured and the private key and a public certificate will
-     * be generated[/TODO].
-     * Below properties are used to configure the HTTP server.
-     * com.sun.management.jmxremote.rest.port
-     * com.sun.management.jmxremote.rest.host
-     * com.sun.management.jmxremote.ssl
-     * com.sun.management.jmxremote.ssl.config.file
-     * javax.net.ssl.keyStore
-     * javax.net.ssl.trustStore
-     * javax.net.ssl.keyStorePassword
-     * javax.net.ssl.trustStorePassword
-     *
-     * @param properties Config properties for the HTTP server.
-     *                   If null or if any properties are not specified, default values will be assumed.
-     * @throws IOException If the server could not be created
-     */
-    public static synchronized void init(Properties properties) throws IOException {
-        if (httpServer == null) {
-            if (properties == null || properties.isEmpty()) {
-                properties = new Properties();
-                properties.setProperty("com.sun.management.jmxremote.ssl", "false");
-                properties.setProperty("com.sun.management.jmxremote.authenticate", "false");
-                properties.setProperty("com.sun.management.jmxremote.rest.port", "0");
-            }
-            final int port;
-            try {
-                port = Integer.parseInt(properties.getProperty(PropertyNames.PORT, DefaultValues.PORT));
-            } catch (NumberFormatException x) {
-                throw new IllegalArgumentException("Invalid string for port");
-            }
-            if (port < 0) {
-                throw new IllegalArgumentException("Invalid string for port");
-            }
-
-            String host = properties.getProperty(PropertyNames.HOST, DefaultValues.HOST);
-
-            boolean useSSL = Boolean.parseBoolean(properties.getProperty(
-                    PropertyNames.USE_SSL, DefaultValues.USE_SSL));
-            if (useSSL) {
-                final String sslConfigFileName
-                        = properties.getProperty(PropertyNames.SSL_CONFIG_FILE_NAME);
-                SSLContext ctx = getSSlContext(sslConfigFileName);
-                if (ctx != null) {
-                    HttpsServer server = HttpsServer.create(new InetSocketAddress(host, port), 0);
-                    server.setHttpsConfigurator(new HttpsConfigurator(ctx));
-                    httpServer = server;
-                } else {
-                    httpServer = HttpServer.create(new InetSocketAddress(host, port), 0);
-                }
-            } else {
-                httpServer = HttpServer.create(new InetSocketAddress(host, port), 0);
-            }
-
-            new MBeanServerCollectionResource(restAdapters, httpServer);
-            httpServer.setExecutor(Executors.newFixedThreadPool(maxThreadCount, new HttpThreadFactory()));
-            httpServer.start();
-            startDefaultRestAdapter(properties);
-        }
-    }
-
-    private static void startDefaultRestAdapter(Properties properties) {
-        env = new HashMap<>();
-        // Do we use authentication?
-        final String useAuthenticationStr
-                = properties.getProperty(PropertyNames.USE_AUTHENTICATION,
-                DefaultValues.USE_AUTHENTICATION);
-        final boolean useAuthentication
-                = Boolean.valueOf(useAuthenticationStr);
-
-        String loginConfigName;
-        String passwordFileName;
-
-        if (useAuthentication) {
-            env.put("jmx.remote.x.authentication", Boolean.TRUE);
-            // Get non-default login configuration
-            loginConfigName
-                    = properties.getProperty(PropertyNames.LOGIN_CONFIG_NAME);
-            env.put("jmx.remote.x.login.config", loginConfigName);
-
-            if (loginConfigName == null) {
-                // Get password file
-                passwordFileName
-                        = properties.getProperty(PropertyNames.PASSWORD_FILE_NAME);
-                env.put("jmx.remote.x.password.file", passwordFileName);
-            }
-        }
-        MBeanServerResource adapter = new MBeanServerResource(httpServer, ManagementFactory.getPlatformMBeanServer(), "platform", env);
-        adapter.start();
-        restAdapters.add(adapter);
-    }
-
-    /**
-     * Wraps the mbeanServer in a REST adapter. The mBeanServer will be accessible over REST APIs
-     * at supplied context. env parameter configures authentication parameters for the MBeanServer.
-     *
-     * @param mbeanServer The MBeanServer to be wrapped in REST adapter
-     * @param context     The context in HTTP server under which this MBeanServer will be available over REST
-     *                    If it is null or empty, a context will be generated
-     * @param env         configures authemtication parameters for accessing the MBeanServer over this adapter
-     *                    If null, configuration from default rest adapter will be used.
-     *                    Below is the list of properties.
-     *                    <p>
-     *                    jmx.remote.x.authentication : enable/disable user authentication
-     *                    jmx.remote.authenticator :  Instance of a JMXAuthenticator
-     *                    jmx.remote.x.login.config : JAAS login conguration
-     *                    jmx.remote.x.password.file : file name for default JAAS login configuration
-     * @return an Instance of REST adapter that allows to start/stop the adapter
-     */
-    public static synchronized JmxRestAdapter newRestAdapter(MBeanServer mbeanServer, String context, Map<String, ?> env) {
-        if (httpServer == null) {
-            throw new IllegalStateException("Platform Adapter not initialized");
-        }
-
-        MBeanServerResource server = restAdapters.stream()
-                .filter(s -> areMBeanServersEqual(s.getMBeanServer(), mbeanServer))
-                .findFirst()
-                .get();
-        if (server == null) {
-            MBeanServerResource adapter = new MBeanServerResource(httpServer, mbeanServer, context, env);
-            adapter.start();
-            restAdapters.add(adapter);
-            return adapter;
-        } else {
-            throw new IllegalArgumentException("MBeanServer already registered at " + server.getUrl());
-        }
-    }
-
-    private static boolean areMBeanServersEqual(MBeanServer server1, MBeanServer server2) {
-        MBeanServerDelegateMBean bean1 = JMX.newMBeanProxy(server1, MBeanServerDelegate.DELEGATE_NAME, MBeanServerDelegateMBean.class);
-        MBeanServerDelegateMBean bean2 = JMX.newMBeanProxy(server2, MBeanServerDelegate.DELEGATE_NAME, MBeanServerDelegateMBean.class);
-        return bean1.getMBeanServerId().equalsIgnoreCase(bean2.getMBeanServerId());
-    }
-
-    public synchronized static void stop() {
-        restAdapters.forEach(r -> r.stop());
-        restAdapters.clear();
-        if (httpServer != null) {
-            ExecutorService executor = (ExecutorService) httpServer.getExecutor();
-            executor.shutdownNow();
-            try {
-                executor.awaitTermination(30, TimeUnit.SECONDS);
-            } catch (InterruptedException e) {
-            }
-            httpServer.stop(0);
-            httpServer = null;
-        }
-    }
-
-    /*
-    This auto addition of MBeanServer to rest adapter must be controlled by a system property
-    com.sun.management.jmxremote.mbeanserver.autoadd=true/false
-    This allows application MBeans to be be availble over REST without any changes to application code.
-     */
-    @Override
-    public void onMBeanServerCreated(MBeanServer mBeanServer) {
-        try {
-            newRestAdapter(mBeanServer, "", env);
-        } catch (IllegalArgumentException | IllegalStateException e) {
-        }
-    }
-
-    @Override
-    public void onMBeanServerRemoved(MBeanServer mBeanServer) {
-
-    }
-
-    public static synchronized String getDomain() {
-        if (httpServer == null) {
-            throw new IllegalStateException("Platform rest adapter not initialized");
-        }
-        try {
-            if (httpServer instanceof HttpsServer) {
-                return "https://" + InetAddress.getLocalHost().getCanonicalHostName() + ":" + httpServer.getAddress().getPort();
-            }
-            return "http://" + InetAddress.getLocalHost().getCanonicalHostName() + ":" + httpServer.getAddress().getPort();
-        } catch (UnknownHostException ex) {
-            return "http://localhost" + ":" + httpServer.getAddress().getPort();
-        }
-    }
-
-    public static synchronized String getBaseURL() {
-        return getDomain() + "/jmx/servers";
-    }
-
-    private static SSLContext getSSlContext(String sslConfigFileName) {
-        final String keyStore, keyStorePassword, trustStore, trustStorePassword;
-
-        try {
-            if (sslConfigFileName == null || sslConfigFileName.isEmpty()) {
-                keyStore = System.getProperty(PropertyNames.SSL_KEYSTORE_FILE);
-                keyStorePassword = System.getProperty(PropertyNames.SSL_KEYSTORE_PASSWORD);
-                trustStore = System.getProperty(PropertyNames.SSL_TRUSTSTORE_FILE);
-                trustStorePassword = System.getProperty(PropertyNames.SSL_TRUSTSTORE_PASSWORD);
-            } else {
-                Properties p = new Properties();
-                BufferedInputStream bin = new BufferedInputStream(new FileInputStream(sslConfigFileName));
-                p.load(bin);
-                keyStore = p.getProperty(PropertyNames.SSL_KEYSTORE_FILE);
-                keyStorePassword = p.getProperty(PropertyNames.SSL_KEYSTORE_PASSWORD);
-                trustStore = p.getProperty(PropertyNames.SSL_TRUSTSTORE_FILE);
-                trustStorePassword = p.getProperty(PropertyNames.SSL_TRUSTSTORE_PASSWORD);
-            }
-
-            char[] keyStorePasswd = null;
-            if (keyStorePassword.length() != 0) {
-                keyStorePasswd = keyStorePassword.toCharArray();
-            }
-
-            char[] trustStorePasswd = null;
-            if (trustStorePassword.length() != 0) {
-                trustStorePasswd = trustStorePassword.toCharArray();
-            }
-
-            KeyStore ks = null;
-            if (keyStore != null) {
-                ks = KeyStore.getInstance(KeyStore.getDefaultType());
-                FileInputStream ksfis = new FileInputStream(keyStore);
-                ks.load(ksfis, keyStorePasswd);
-
-            }
-            KeyManagerFactory kmf = KeyManagerFactory.getInstance(
-                    KeyManagerFactory.getDefaultAlgorithm());
-            kmf.init(ks, keyStorePasswd);
-
-            KeyStore ts = null;
-            if (trustStore != null) {
-                ts = KeyStore.getInstance(KeyStore.getDefaultType());
-                FileInputStream tsfis = new FileInputStream(trustStore);
-                ts.load(tsfis, trustStorePasswd);
-            }
-            TrustManagerFactory tmf = TrustManagerFactory.getInstance(
-                    TrustManagerFactory.getDefaultAlgorithm());
-            tmf.init(ts);
-
-            SSLContext ctx = SSLContext.getInstance("SSL");
-            ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
-            return ctx;
-        } catch (Exception ex) {
-        }
-        return null;
-    }
-
-    /**
-     * Default values for JMX configuration properties.
-     */
-    static interface DefaultValues {
-
-        public static final String PORT = "0";
-        public static final String HOST = "0.0.0.0";
-        public static final String USE_SSL = "false";
-        public static final String USE_AUTHENTICATION = "false";
-        public static final String PASSWORD_FILE_NAME = "jmxremote.password";
-    }
-
-    /**
-     * Names of JMX configuration properties.
-     */
-    public static interface PropertyNames {
-
-        public static final String PORT
-                = "com.sun.management.jmxremote.rest.port";
-        public static final String HOST
-                = "com.sun.management.jmxremote.host";
-        public static final String USE_SSL
-                = "com.sun.management.jmxremote.ssl";
-        public static final String SSL_CONFIG_FILE_NAME
-                = "com.sun.management.jmxremote.ssl.config.file";
-        public static final String SSL_KEYSTORE_FILE
-                = "javax.net.ssl.keyStore";
-        public static final String SSL_TRUSTSTORE_FILE
-                = "javax.net.ssl.trustStore";
-        public static final String SSL_KEYSTORE_PASSWORD
-                = "javax.net.ssl.keyStorePassword";
-        public static final String SSL_TRUSTSTORE_PASSWORD
-                = "javax.net.ssl.trustStorePassword";
-        public static final String USE_AUTHENTICATION
-                = "com.sun.management.jmxremote.authenticate";
-        public static final String PASSWORD_FILE_NAME
-                = "com.sun.management.jmxremote.password.file";
-        public static final String LOGIN_CONFIG_NAME
-                = "com.sun.management.jmxremote.login.config";
-    }
-}