/* CVS ID: $Id: AdminPlugin.java,v 1.1.1.1 2002/10/02 18:42:50 wastl Exp $ */
import net.wastl.webmail.config.*;
import net.wastl.webmail.server.*;
import net.wastl.webmail.server.http.*;
import net.wastl.webmail.ui.html.*;
import net.wastl.webmail.ui.xml.*;
import net.wastl.webmail.xml.*;
import net.wastl.webmail.exceptions.*;
import java.util.*;

/**
 * AdminPlugin.java
 *
 * Created: Thu Sep  9 16:52:36 1999
 *
 * Copyright (C) 2000 Sebastian Schaffert
 * 
 * This program 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
 * of the License, or (at your option) any later version.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/**
 *
 *
 *
 * @author Sebastian Schaffert
 * @version
 */

public class AdminPlugin implements Plugin, URLHandler {
    
    public static final String VERSION="1.3";
    public static final String URL="/admin";

    protected Vector sessions;

    WebMailServer parent;

    public AdminPlugin() {
	sessions=new Vector();
    }

    public void register(WebMailServer parent) {
	parent.getURLHandler().registerHandler(URL,this);
	this.parent=parent;
    }

    public String getName() {
	return "Administrator";
    }

    public String getDescription() {
	return "Change WebMail settings";
    }

    public String getVersion() {
	return VERSION;
    }

    public String getURL() {
	return URL;
    }

    protected void reqShutdown(int time, boolean reboot) {
	new ShutdownThread(time,reboot,parent);
    }

    public HTMLDocument handleURL(String suburl, HTTPSession session, HTTPRequestHeader header) throws WebMailException {
	HTMLDocument content=null;
	if(session != null) {
	    session.setLastAccess();
	    session.setEnv();
	}
	if(session == null && !(suburl.equals("/") || suburl.equals(""))) {
	    throw new DocumentNotFoundException("Could not continue as there was no session id submitted");
	} else if(suburl.startsWith("/login")) {
	    System.err.println("Admin login ... ");
	    content=new XHTMLDocument(session.getModel(),
				      parent.getStorage().getStylesheet("admin-frame.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));

	} else if(suburl.startsWith("/system")) {
	    if(suburl.startsWith("/system/set")) {
		XMLSystemData sysdata=parent.getStorage().getSystemData();
		Enumeration enum=sysdata.getConfigKeys();
		while(enum.hasMoreElements()) {
		    String ckey=(String)enum.nextElement();
		    if(header.isContentSet(ckey)) {
// 			System.err.println(ckey+" = "+header.getContent(ckey));
			sysdata.setConfig(ckey,header.getContent(ckey));
		    }
		}
		parent.getStorage().save();
		session.setEnv();
	    }
	    content=new XHTMLDocument(session.getModel(),
				      parent.getStorage().getStylesheet("admin-system.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));

	} else if(suburl.startsWith("/navigation")) {
	    content=new XHTMLDocument(session.getModel(),
				      parent.getStorage().getStylesheet("admin-navigation.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));
	    // Modified by exce, end
	} else if(suburl.startsWith("/control")) {
	    if(suburl.startsWith("/control/kill")) {
		String sid=header.getContent("kill");

		parent.getStorage().log(Storage.LOG_INFO,"Session "+sid+": removing on administrator request.");

		HTTPSession sess2=parent.getSession(sid);
		if(sess2 != null) {
		    parent.removeSession(sess2);
		}
		session.setEnv();
	    }	    
	    if(header.isContentSet("SHUTDOWN")) {
		int time=0;
		try {
		    time=Integer.parseInt(header.getContent("SHUTDOWN SECONDS"));
		} catch(NumberFormatException e) {}
		reqShutdown(time,false);
	    } else if(header.isContentSet("REBOOT")) {
		int time=0;
		try {
		    time=Integer.parseInt(header.getContent("SHUTDOWN SECONDS"));
		} catch(NumberFormatException e) {}
		reqShutdown(time,true);
	    }

	    content=new XHTMLDocument(session.getModel(),
				      parent.getStorage().getStylesheet("admin-status.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));

	} else if(suburl.startsWith("/domain")) {
	    if(suburl.startsWith("/domain/set")) {

		try {
		    Enumeration enum=parent.getStorage().getVirtualDomains();
		    while(enum.hasMoreElements()) {
			String s1=(String)enum.nextElement();
			if(header.getContent("CHANGE "+s1) != null && !header.getContent("CHANGE "+s1).equals("")) {
			    WebMailVirtualDomain vd=parent.getStorage().getVirtualDomain(s1);
			    if(!vd.getDomainName().equals(header.getContent(s1+" DOMAIN"))) {
				vd.setDomainName(header.getContent(s1+" DOMAIN"));
			    }
			    vd.setDefaultServer(header.getContent(s1+" DEFAULT HOST"));
			    vd.setAuthenticationHost(header.getContent(s1+" AUTH HOST"));
			    vd.setHostsRestricted(header.getContent(s1+" HOST RESTRICTION")!=null);
			    vd.setAllowedHosts(header.getContent(s1+" ALLOWED HOSTS"));
			    parent.getStorage().setVirtualDomain(s1,vd);
			} else if(header.getContent("DELETE "+s1) != null && !header.getContent("DELETE "+s1).equals("")) {
			    parent.getStorage().deleteVirtualDomain(s1);
			}
		    } 
		    if(header.getContent("ADD NEW") != null && !header.getContent("ADD NEW").equals("")) {
			WebMailVirtualDomain vd=parent.getStorage().createVirtualDomain(header.getContent("NEW DOMAIN"));
			vd.setDomainName(header.getContent("NEW DOMAIN"));
			vd.setDefaultServer(header.getContent("NEW DEFAULT HOST"));
			vd.setAuthenticationHost(header.getContent("NEW AUTH HOST"));
			vd.setHostsRestricted(header.getContent("NEW HOST RESTRICTION")!=null);
			vd.setAllowedHosts(header.getContent("NEW ALLOWED HOSTS"));
			parent.getStorage().setVirtualDomain(header.getContent("NEW DOMAIN"),vd);
		    }
		} catch(Exception ex) {
		    ex.printStackTrace();
		}
		parent.getStorage().save();
		session.setEnv();
	    }
	    
	    content=new XHTMLDocument(session.getModel(),
				      parent.getStorage().getStylesheet("admin-domains.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));

	} else if(suburl.startsWith("/user")) {
	    if(header.isContentSet("domain")) {
		((AdminSession)session).selectDomain(header.getContent("domain"));
	    }

	    if(suburl.startsWith("/user/edit") && 
	       (header.isContentSet("edit") || header.isContentSet("change"))) {
		if(header.isContentSet("user")) {
		    ((AdminSession)session).selectUser(header.getContent("user"));
            /* 10/22/2000 devink -- setup new password changing stuff */
            ((AdminSession)session).setupUserEdit();
		    
		    if(header.isContentSet("change")) {			
			((AdminSession)session).changeUser(header);
		    }
		    
		} else {
		    ((AdminSession)session).clearUser();
		}
		
		content=new XHTMLDocument(session.getModel(),
					parent.getStorage().getStylesheet("admin-edituser.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));

	    } else {
		if(header.isContentSet("user") && header.isContentSet("delete")) {
		    ((AdminSession)session).deleteUser(header.getContent("user"));
		}
		content=new XHTMLDocument(session.getModel(),
					parent.getStorage().getStylesheet("admin-users.xsl",
									parent.getDefaultLocale(),
									parent.getProperty("webmail.default.theme")));
	    }
	} else {	    
	    if(suburl.startsWith("/logout")) {
		session.logout();
	    }
	    //content=new HTMLDocument("WebMail Administrator Login",parent.getStorage(),"adminlogin",parent.getBasePath());
	    XMLGenericModel model = parent.getStorage().createXMLGenericModel();
	    if(header.isContentSet("login")) {
		model.setStateVar("invalid password","yes");
	    }
	    content=new XHTMLDocument(model.getRoot(),parent.getStorage().getStylesheet("admin-login.xsl",parent.getDefaultLocale(),parent.getProperty("webmail.default.theme")));
	}
	return content;
    }
    
    public String provides() {
	return "admin";
    }

    public String requires() {
	return "";
    }


    protected class ShutdownThread extends Thread {

	protected WebMailServer parent;

	protected int time;
	protected boolean reboot;

	ShutdownThread(int time, boolean restart, WebMailServer parent) {
	    this.parent=parent;
	    this.time=time;
	    this.reboot=restart;
	    this.start();
	}

	public void run() {
	    String action=reboot?"reboot":"shutdown";
	    if(time >=0) {
		System.err.println("\n*** WebMail "+action+" in "+time+" seconds! ***\n");
		parent.getStorage().log(Storage.LOG_CRIT,"*** WebMail "+action+" in "+time+" seconds! ***");
		try {
		    Thread.sleep(time*1000);
		} catch(InterruptedException ex) {}
		System.err.println("\n*** WebMail "+action+" NOW! ***\n");
		if(reboot) {
		    parent.restart();
		} else {
		    parent.shutdown();
		}
	    }
	}
    }

} // AdminPlugin