diff options
Diffstat (limited to 'src/main/java/org/cristalise/kernel/scripting/ScriptConsole.java')
| -rw-r--r-- | src/main/java/org/cristalise/kernel/scripting/ScriptConsole.java | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/main/java/org/cristalise/kernel/scripting/ScriptConsole.java b/src/main/java/org/cristalise/kernel/scripting/ScriptConsole.java new file mode 100644 index 0000000..51c8496 --- /dev/null +++ b/src/main/java/org/cristalise/kernel/scripting/ScriptConsole.java @@ -0,0 +1,234 @@ +/**
+ * This file is part of the CRISTAL-iSE kernel.
+ * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * http://www.fsf.org/licensing/licenses/lgpl.html
+ */
+package org.cristalise.kernel.scripting;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.InterruptedIOException;
+import java.io.PrintStream;
+import java.net.InetAddress;
+import java.net.Socket;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.StringTokenizer;
+
+import javax.script.Bindings;
+import javax.script.ScriptEngine;
+
+import org.cristalise.kernel.process.AbstractMain;
+import org.cristalise.kernel.process.Gateway;
+import org.cristalise.kernel.utils.Logger;
+import org.cristalise.kernel.utils.server.SocketHandler;
+
+
+/**************************************************************************
+ *
+ * $Revision: 1.16 $
+ * $Date: 2005/08/31 07:20:40 $
+ *
+ * Copyright (C) 2003 CERN - European Organization for Nuclear Research
+ * All rights reserved.
+ **************************************************************************/
+
+
+
+public class ScriptConsole implements SocketHandler {
+ BufferedReader input;
+ PrintStream output;
+ Socket socket = null;
+ ScriptEngine engine;
+ Bindings beans;
+ static ArrayList<String> securityHosts = new ArrayList<String>();
+ public static final short NONE = 0;
+ public static final short ALLOW = 1;
+ public static final short DENY = 2;
+ static short securityMode;
+
+ static {
+ securityMode = ALLOW;
+ String hosts = Gateway.getProperties().getString("ItemServer.Console.allow");
+ if (hosts == null || hosts.equals("")) {
+ securityMode = DENY;
+ hosts = Gateway.getProperties().getString("ItemServer.Console.deny");
+ }
+ if (hosts == null || hosts.equals("")) { // by default only allow localhost
+ securityMode = ALLOW;
+ securityHosts.add("localhost");
+ securityHosts.add("127.0.0.1");
+ securityHosts.add("0:0:0:0:0:0:0:1");//ipv6
+ }
+ else {
+ StringTokenizer tok = new StringTokenizer(hosts, ",");
+ while(tok.hasMoreTokens()) {
+ String wHostName = tok.nextToken();
+ try {
+ securityHosts.add(InetAddress.getByName(wHostName).getHostAddress());
+ if ("localhost".equals(wHostName)){
+ securityHosts.add("127.0.0.1");
+ securityHosts.add("0:0:0:0:0:0:0:1");//ipv6
+ }
+ } catch (UnknownHostException ex) {
+ Logger.error("Host not found "+ex.getMessage());
+ }
+ }
+ }
+ }
+ public ScriptConsole() {
+ }
+
+ @Override
+ public String getName() {
+ return "Script Console";
+ }
+
+ @Override
+ public boolean isBusy() {
+ return (socket != null);
+ }
+
+ @Override
+ public void setSocket(Socket newSocket) {
+ try {
+ input = new BufferedReader(new InputStreamReader(newSocket.getInputStream()));
+ output = new PrintStream(newSocket.getOutputStream());
+ newSocket.setSoTimeout(0);
+ socket = newSocket;
+ } catch (IOException ex) {
+ try {
+ newSocket.close();
+ } catch (IOException ex2) {
+ }
+ socket = null;
+ return;
+ }
+ }
+
+ @Override
+ public void shutdown() {
+ Socket closingSocket = socket;
+ socket = null;
+ if (closingSocket == null)
+ return;
+ try {
+ Logger.removeLogStream(output);
+ closingSocket.shutdownInput();
+ closingSocket.shutdownOutput();
+ closingSocket.close();
+ Logger.msg("Script console to "+closingSocket.getInetAddress()+" closed");
+ } catch (IOException e) {
+ Logger.error("Script Console to " + closingSocket.getInetAddress() + " - Error closing.");
+ Logger.error(e);
+ }
+ }
+
+
+ @Override
+ public void run() {
+ // check permission
+ boolean allowed = true;
+ if (securityMode!=NONE) {
+ //ogattaz
+ String wHostAddress = socket.getInetAddress().getHostAddress();
+ if (securityHosts.contains(wHostAddress)) {
+ if (securityMode==DENY)
+ allowed = false;
+ }
+ else if (securityMode==ALLOW)
+ allowed = false;
+ }
+
+ if (!allowed) {
+ Logger.error("Host "+socket.getInetAddress()+" access denied");
+ output.println("Host "+socket.getInetAddress()+" access denied");
+ shutdown();
+ return;
+ }
+
+ // get system objects
+ try {
+ Logger.addLogStream(output, 0);
+ Script context;
+ try {
+ context = new Script("javascript", null, output);
+ } catch (Exception ex) {
+ output.println("Error initializing console script context");
+ ex.printStackTrace(output);
+ shutdown();
+ return;
+ }
+
+ StringBuffer commandBuffer = new StringBuffer();
+ while (socket != null) {
+
+ output.println();
+ output.print('>');
+
+ String command = null;
+ boolean gotCommand = false;
+ while (!gotCommand) {
+ try {
+ command = input.readLine();
+ gotCommand = true;
+ } catch (InterruptedIOException ex) {
+ }
+ }
+ if (command == null) // disconnected
+ shutdown();
+ else {
+ if (command.equals("exit")) {
+ shutdown();
+ continue;
+ }
+ try {
+ if (command.endsWith("\\")) {
+ commandBuffer.append(command.substring(0,command.length()-1));
+ continue;
+ }
+ commandBuffer.append(command);
+ command = commandBuffer.toString();
+ commandBuffer = new StringBuffer();
+ Logger.msg("Console command from "+socket.getInetAddress()+": "+command);
+
+ // process control
+ if (command.equals("shutdown")) {
+ AbstractMain.shutdown(0);
+ }
+ else {
+ context.setScript(command);
+ Object response = context.execute();
+ if (response == null)
+ output.println("Ok");
+ else
+ output.println(response);
+ }
+ } catch (Throwable ex) {
+ ex.printStackTrace(output);
+ }
+ output.flush();
+ }
+ }
+ } catch (IOException ex) {
+ Logger.error("IO Exception reading from script console socket");
+ shutdown();
+ }
+ }
+}
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