/* VoidPluginCallRequest -- represent Java-to-JavaScript requests
   Copyright (C) 2008  Red Hat

This file is part of IcedTea.

IcedTea is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

IcedTea 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 for more details.

You should have received a copy of the GNU General Public License
along with IcedTea; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */

/*
 * Copyright 1999-2006 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package sun.applet;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.Authenticator;
import java.net.CookieHandler;
import java.net.CookieManager;
import java.net.ProxySelector;
import java.net.URL;
import java.net.URLStreamHandler;
import java.util.Enumeration;
import java.util.Map;
import java.util.Properties;
import javax.swing.JFrame;
import net.sourceforge.jnlp.PluginBridge;
import sun.awt.AppContext;
import sun.awt.SunToolkit;

import net.sourceforge.jnlp.config.DeploymentConfiguration;
import net.sourceforge.jnlp.runtime.JNLPRuntime;
import net.sourceforge.jnlp.security.JNLPAuthenticator;
import net.sourceforge.jnlp.util.logging.JavaConsole;
import net.sourceforge.jnlp.util.logging.OutputController;

/**
 * The main entry point into PluginAppletViewer.
 */
public class PluginMain {

    // This is used in init().  Getting rid of this is desirable but depends
    // on whether the property that uses it is necessary/standard.
    private static final String theVersion = System.getProperty("java.version");

    /* Install a handler directly using reflection. This ensures that java doesn't error-out
     * when javascript is used in a URL. We can then handle these URLs correctly in eg PluginAppletViewer.showDocument().
     */
    static private void installDummyJavascriptProtocolHandler() {
        try {
            Field handlersField = URL.class.getDeclaredField("handlers");
            handlersField.setAccessible(true);

            //hashtable implements map
            @SuppressWarnings("unchecked")
            Map<String, URLStreamHandler> handlers = (Map<String,URLStreamHandler>)handlersField.get(null);

            // Place an arbitrary handler, we only need the URL construction to not error-out
            handlers.put("javascript", new sun.net.www.protocol.http.Handler());
        } catch (Exception e) {
            OutputController.getLogger().log(OutputController.Level.ERROR_ALL, "Unable to install 'javascript:' URL protocol handler!");
            OutputController.getLogger().log(e);
        }
    }

    /**
     * The main entry point into AppletViewer.
     * @param args regular command-line arguments to be passed from native part
     * @throws java.io.IOException if IO issues occur
     */
    public static void main(String args[])
            throws IOException {
        //we are polite, we reprint start arguments
        OutputController.getLogger().log("startup arguments: ");
        for (int i = 0; i < args.length; i++) {
            String string = args[i];
            OutputController.getLogger().log(i + ": "+string);
            
        }
        if (AppContext.getAppContext() == null) {
            SunToolkit.createNewAppContext();
        }
        installDummyJavascriptProtocolHandler();

        if (args.length < 2 || !(new File(args[0]).exists()) || !(new File(args[1]).exists())) {
            OutputController.getLogger().log(OutputController.Level.ERROR_ALL, "Invalid pipe names provided. Refusing to proceed.");
            JNLPRuntime.exit(1);
        }
        DeploymentConfiguration.move14AndOlderFilesTo15StructureCatched();
        if (JavaConsole.isEnabled()) {
            if ((args.length < 3) || !new File(args[2]).exists()) {
                OutputController.getLogger().log(OutputController.Level.ERROR_ALL, "Warning, although console is on, plugin debug connection do not exists. No plugin information will be displayed in console (only java ones).");
            } else {
                JavaConsole.getConsole().createPluginReader(new File(args[2]));
            }
        }
        try {
            PluginStreamHandler streamHandler = connect(args[0], args[1]);

            initSecurityContext(streamHandler);

            PluginAppletViewer.setStreamhandler(streamHandler);
            PluginAppletViewer.setPluginCallRequestFactory(new PluginCallRequestFactory());

            init();

            // Streams set. Start processing.
            streamHandler.startProcessing();

            setCookieHandler(streamHandler);
            JavaConsole.getConsole().setClassLoaderInfoProvider(new JavaConsole.ClassLoaderInfoProvider() {

                @Override
                public Map<String, String> getLoaderInfo() {
                    return PluginAppletSecurityContext.getLoaderInfo();
                }
            });

        } catch (Exception e) {
            OutputController.getLogger().log(e);
            OutputController.getLogger().log(OutputController.Level.ERROR_ALL, "Something very bad happened. I don't know what to do, so I am going to exit :(");
            JNLPRuntime.exit(1);
        }
    }

    public static void initSecurityContext(PluginStreamHandler streamHandler) {
            PluginAppletSecurityContext sc = new PluginAppletSecurityContext(0);
            sc.prePopulateLCClasses();
            PluginAppletSecurityContext.setStreamhandler(streamHandler);
            AppletSecurityContextManager.addContext(0, sc);
    }

    private PluginMain() {
        // The PluginMain constructor should never, EVER, be called
    }

    private static PluginStreamHandler connect(String inPipe, String outPipe) {
        PluginStreamHandler streamHandler = null;
        try {
            streamHandler = new PluginStreamHandler(new FileInputStream(inPipe), new FileOutputStream(outPipe));
            PluginDebug.debug("Streams initialized");
        } catch (IOException ioe) {
            OutputController.getLogger().log(OutputController.Level.ERROR_ALL,ioe);
        }
        return streamHandler;
    }

    private static void init() {
        Properties avProps = new Properties();

        // ADD OTHER RANDOM PROPERTIES
        // XXX 5/18 need to revisit why these are here, is there some
        // standard for what is available?

        // Standard browser properties
        avProps.put("browser", "sun.applet.AppletViewer");
        avProps.put("browser.version", "1.06");
        avProps.put("browser.vendor", "Sun Microsystems Inc.");
        avProps.put("http.agent", "Java(tm) 2 SDK, Standard Edition v" + theVersion);

        // Define which packages can be extended by applets
        // XXX 5/19 probably not needed, not checked in AppletSecurity
        avProps.put("package.restrict.definition.java", "true");
        avProps.put("package.restrict.definition.sun", "true");

        // Define which properties can be read by applets.
        // A property named by "key" can be read only when its twin
        // property "key.applet" is true.  The following ten properties
        // are open by default.  Any other property can be explicitly
        // opened up by the browser user by calling appletviewer with
        // -J-Dkey.applet=true
        avProps.put("java.version.applet", "true");
        avProps.put("java.vendor.applet", "true");
        avProps.put("java.vendor.url.applet", "true");
        avProps.put("java.class.version.applet", "true");
        avProps.put("os.name.applet", "true");
        avProps.put("os.version.applet", "true");
        avProps.put("os.arch.applet", "true");
        avProps.put("file.separator.applet", "true");
        avProps.put("path.separator.applet", "true");
        avProps.put("line.separator.applet", "true");

        avProps.put("javaplugin.nodotversion", "160_17");
        avProps.put("javaplugin.version", "1.6.0_17");
        avProps.put("javaplugin.vm.options", "");

        // Read in the System properties.  If something is going to be
        // over-written, warn about it.
        Properties sysProps = System.getProperties();
        for (Enumeration<?> e = sysProps.propertyNames(); e.hasMoreElements();) {
            String key = (String) e.nextElement();
            String val = sysProps.getProperty(key);
            avProps.setProperty(key, val);
        }

        // INSTALL THE PROPERTY LIST
        System.setProperties(avProps);

        // plug in a custom authenticator and proxy selector
        boolean installAuthenticator = Boolean.valueOf(JNLPRuntime.getConfiguration()
                        .getProperty(DeploymentConfiguration.KEY_SECURITY_INSTALL_AUTHENTICATOR));
        if (installAuthenticator) {
            Authenticator.setDefault(new JNLPAuthenticator());
        }
        // override the proxy selector set by JNLPRuntime
        ProxySelector.setDefault(new PluginProxySelector(JNLPRuntime.getConfiguration()));
    }

    private static void setCookieHandler(PluginStreamHandler streamHandler) {
        CookieManager ckManager = new PluginCookieManager(streamHandler);
        CookieHandler.setDefault(ckManager);
    }

    public static JFrame javawsHtmlMain(PluginBridge pb, URL html) {
        PluginAppletViewer.setStreamhandler(PluginStreamHandler.DummyHandler);
        PluginMain.initSecurityContext(PluginStreamHandler.DummyHandler);
        AppletPanel p = PluginAppletViewer.initialize(pb.getParams(), 0, html, 0, pb);
        JFrame f = new JFrame();
        f.setSize(p.getAppletWidth(), p.getAppletHeight());
        f.add(p);
        return f;
    }
}