jahia.java

java 写的一个新闻发布系统

// $Id: Jahia.java,v 1.35 2003/11/03 14:47:56 shuber Exp $
//
//                                   ____.
//                       __/\ ______|    |__/\.     _______
//            __   .____|    |       \   |    +----+       \
//    _______|  /--|    |    |    -   \  _    |    :    -   \_________
//   \\______: :---|    :    :           |    :    |         \________>
//           |__\---\_____________:______:    :____|____:_____\
//                                      /_____|
//
//              . . . i n   j a h i a   w e   t r u s t . . .
//
//
//  Jahia
//
//  30.10.2000  EV  added in jahia.
//  17.01.2001  AK  change dispatcher method.
//  19.01.2001  AK  replace methods doGet and doPost by the method service.
//  29.01.2001  AK  change re-init way, remove sets methods.
//  10.02.2001  AK  pseudo-bypass the login by forwarding request attributes.
//  27.03.2001  AK  javadoc and change the access to JahiaPrivateSettings.load().
//  28.03.2001  AK  add some jahia path variables.
//  29.03.2001  AK  rename jahia.basic file in jahia.skeleton.
//  20.04.2001  AK  bugfix request uri.
//  17.05.2001  AK  tomcat users check during init.
//  23.05.2001  NK  bug two same parameter in url resolved by removing pathinfo data from request uri
//


package org.jahia.bin;

import java.io.*;                                   // IOException
import java.util.*;                                 // Properties, HashMap
import javax.servlet.*;					            // ServletException
import javax.servlet.http.*;			            // HttpServletRequest, HttpSerlvetResponse

import org.jahia.utils.*;                       // JahiaConsole
import org.jahia.utils.modifier.*;              // TomcatUsersModifier
import org.jahia.settings.*;                    // JahiaPrivateSettings
import org.jahia.params.*;                      // ParamBean
import org.jahia.operations.*;                  // OperationManager
import org.jahia.registries.*;                  // EnginesRegistry, FieldsDefinitionsRegistry
import org.jahia.registries.locks.*;            // EnginesRegistry, FieldsDefinitionsRegistry
import org.jahia.security.license.*;
import org.jahia.services.usermanager.*;        // JahiaUserManager
import org.jahia.services.htmlcache.CacheServerService;

import org.jahia.exceptions.JahiaException;
import org.jahia.exceptions.JahiaSiteNotFoundException;
import org.jahia.exceptions.JahiaSecurityException;
import org.jahia.exceptions.JahiaPageNotFoundException;
import org.jahia.exceptions.JahiaSessionExpirationException;
import org.jahia.exceptions.JahiaOperationNotAllowedException;
import org.jahia.exceptions.services.ServiceNotFoundException;

import org.jahia.security.license.LicenseKey;
import org.jahia.security.license.LicenseException;
import org.jahia.security.license.InvalidBuildNumberException;
import org.jahia.security.license.InvalidReleaseNumberException;



///////////////////////////////////////////////////////////////////////////////////////////////////
//  PROFILER :
//
//      this importation is needed to prifile Jahia with OptimizeIt.
//      Comment this line to remove profiling.
//
///////////////////////////////////////////////////////////////////////////////////////////////////

//import intuitive.audit.Audit;

///////////////////////////////////////////////////////////////////////////////////////////////////


/**
 * desc:  This is the main servlet of Jahia.
 *   ----=[  Welcome to the Jahia portal  ]=----
 *
 * Copyright:    Copyright (c) 2002
 * Company:      Jahia Ltd
 *
 * @author  Eric Vassalli
 * @author  Alexandre Kraft
 * @author  Khue N'Guyen
 * @version 1.0
 */
public final class Jahia    extends HttpServlet
                            implements JahiaInterface
{
    /** "jahia" string constant in order to avoid creating a new string for
     * each concole output. */
    static private final String JAHIA_STR = "jahia";

    /** this class name */
    static public final String CLASS_NAME = "Jahia";

    /** properties filename */
    static private final String PROPERTIES_FILENAME = "jahia.properties";

    /** license filename */
    static private final String LICENSE_FILENAME = "jahia.license";

    /** skeleton properties filename */
    static private final String PROPERTIES_BASIC = "jahia.skeleton";

    /** ... */
    static private final String JAHIA_LAUNCH = "jahiaLaunch";

    /** ... */
    static private final String GET_REQUEST = "GET";

    /** ... */
    static private final String POST_REQUEST = "POST";

    /** ... */
    static private final String INIT_PARAM_WEBINF_PATH = "webinf_path";

    /** ... */
    static private final String INIT_PARAM_LOGGING_LEVEL = "logging_level";

    // web app descriptor initialization parameter
    static private final String INIT_PARAM_SUPPORTED_JDK_VERSIONS = "supported_jdk_versions";

    static private final String INIT_PARAM_ADMIN_SERVLET_PATH = "admin_servlet_path";

    static private final String INIT_PARAM_CONFIG_SERVLET_PATH = "config_servlet_path";

    /** ... */
    static public final String COPYRIGHT = "<font class=\"text\">Copyright 2002 <a href=\"http://www.jahia.org\" target=\"newJahia\">Jahia Ltd</a> - All rights reserved.</font>";

    /**
     * the lock name in the lock registery
     */
    public static final String JAHIA_LOCK_NAME = CLASS_NAME+"_lock_name";

    /** Jahia lock session id */
    public static final String JAHIA_LOCK_SESSION_ID = CLASS_NAME+"_lock_session_id" ;

    /** Jahia lock session id */
    public static final String JAHIA_LOCK = CLASS_NAME+"_lock" ;

    /** Jahia lock user */
    public static final String JAHIA_LOCK_USER = CLASS_NAME+"_lock_user" ;



    static private int              initTryCount            = 0;
    static private boolean          reInit                  = false;
    static private boolean          tomcatXMLRestart        = false;
    static private boolean          mInitError;
    static private boolean          mInitWarning;
    static private boolean          mInitiated				= false;
    static private boolean          runInstaller;


    static protected final String     JDK_REQUIRED = "1.3";


    private   static JahiaPrivateSettings    jSettings;
    private   OperationManager        operations;
    private   ServletConfig           config;
    private   ServletContext          context;

    static protected   Exception      initException;                    // used to catch exception on init, where we don't have request and response...
    static protected   Exception      initWarningException;

    static private   String           jahiaPropertiesFileName;
    static protected String           mLicenseFilename;
    static protected String           jahiaBasicFileName;
    static protected String           jahiaPropertiesPath;
    static protected String           jahiaTemplatesScriptsPath;
    static protected String           jahiaEtcFilesPath;
    static protected String           jahiaVarFilesPath;
    static public    String           jahiaDatabaseScriptsPath;
    static protected String           jahiaBaseFilesPath      = "";

    static private   String           relativeServletURI      = null;
    static private   String           jahiaServletPath        = null;
    static private   String           jahiaContextPath        = null;

    static private   String           jahiaInitAdminServletPath = null;
    static private   String           jahiaInitConfigServletPath = null;

    static protected String           xml_use_old_db;

    static private LicenseKey 		  mLicenseKey = null;

    static private String             supportedJDKVersions = null;
    static private boolean            supportedJDKWarningAlreadyShowed = false;

    /** flag for the profiler */
    static boolean isProfilerStarted = false;

    public static String getRelativeServletURI() { return relativeServletURI; }
    public static String getJahiaPropertiesFileName() { return jahiaPropertiesFileName; }
    public static String getServletPath()        { return jahiaServletPath;   }
    public static String getContextPath()        { return jahiaContextPath;   }
    public static String getInitAdminServletPath()   { return jahiaInitAdminServletPath; }
    public static String getInitConfigServletPath() { return jahiaInitConfigServletPath; }

    static private ThreadLocal paramBeanThreadLocal = new ThreadLocal();

    /**
     * Default init inherited from HttpServlet.
     *
     * @param   config  Servlet configuration (inherited).
     */
    public void init (ServletConfig config)
        throws  ServletException
    {



        String webinf_path;
        int    countSlash       = 0;

        mInitError   = false;
        runInstaller = false;
        if(initTryCount < 5) {
            initTryCount++;
        }


        JahiaConsole.setServlet (this);

        // the first time display the welcome banner...
        if(initTryCount == 1) {
            JahiaConsole.startupWithTrust (BUILD_NUMBER);
        }

        // get servlet basic variables, like confid and context...
        this.config  = config;
        this.context = config.getServletContext();
        super.init (config);

        // get some value from the web.xml file...
        webinf_path             =  this.config.getInitParameter (INIT_PARAM_WEBINF_PATH);
        String loggingLevelStr  =  this.config.getInitParameter (INIT_PARAM_LOGGING_LEVEL);
        xml_use_old_db          =  this.config.getInitParameter ("use_old_database_feature");
        supportedJDKVersions    =  this.config.getInitParameter (INIT_PARAM_SUPPORTED_JDK_VERSIONS);
        jahiaInitAdminServletPath = this.config.getInitParameter(INIT_PARAM_ADMIN_SERVLET_PATH);
        jahiaInitConfigServletPath = this.config.getInitParameter(INIT_PARAM_CONFIG_SERVLET_PATH);

        if (loggingLevelStr == null) {
            JahiaConsole.setLoggingLevel(0);
        } else {
            int loggingLevel = Integer.parseInt(loggingLevelStr);
            if ((loggingLevel >= 0) && (loggingLevel <= JahiaConsole.MAX_LOGGING_LEVEL)) {
                JahiaConsole.setLoggingLevel(loggingLevel);
            }
        }

        /*
        // display all system's properties.......
        Properties xx = System.getProperties();
        Enumeration y = xx.propertyNames();
        while(y.hasMoreElements()) {
            String p = (String) y.nextElement();
            System.out.println(p+" : "+System.getProperty(p));
        }
        */

        if ( (!supportedJDKWarningAlreadyShowed) &&
             (supportedJDKVersions != null) ) {
            Version currentJDKVersion = null;
            try {
                currentJDKVersion = new Version(System.getProperty("java.version"));
                if (!isSupportedJDKVersion(currentJDKVersion, supportedJDKVersions)) {
                    mInitWarning = true;
                    StringBuffer jemsg = new StringBuffer();
                    jemsg.append( "WARNING<br>\n" );
                    jemsg.append( "<b><font size=\"2\">You are using an unsupported JDK version\n" );
                    jemsg.append( "or have an invalid " + INIT_PARAM_SUPPORTED_JDK_VERSIONS + " parameter string in \n" );
                    jemsg.append( "the deployment descriptor file web.xml.</font></b>\n" );
                    jemsg.append( "<br><br>Here is the range specified in the web.xml file : " + supportedJDKVersions + ".\n" );
                    jemsg.append( "<br>If you want to disable this warning, remove the " + INIT_PARAM_SUPPORTED_JDK_VERSIONS + "\n");
                    jemsg.append( "<br>initialization parameter in the tomcat/webapps/jahia/WEB-INF/web.xml<br>\n" );
                    jemsg.append( "<br><br>Please note that if you deactivate this check or use unsupported versions<br>\n" );
                    jemsg.append( "<br>You might run into serious problems and we cannot offer support for these.<br>\n" );
                    jemsg.append( "<br>You may download a supported JDK from <a href=\"http://java.sun.com\" target=\"_newSunWindow\">http://java.sun.com</a>." );
                    jemsg.append( "<br><br>&nbsp;\n" );
                    initWarningException = new JahiaException(jemsg.toString(),
                                                              "JDK version warning",
                                                              JahiaException.INITIALIZATION_ERROR,
                                                              JahiaException.WARNING);
                }
            } catch (NumberFormatException nfe) {
                JahiaConsole.println("Jahia.init",
                                     "Couldn't convert JDK version to internal version testing system, ignoring JDK version test...");
            }
            supportedJDKWarningAlreadyShowed = true;
        }

        if (this.jahiaInitAdminServletPath == null) {
            JahiaConsole.println("Jahia.init",
                                 "Error in web.xml for init parameter " +
                                 INIT_PARAM_ADMIN_SERVLET_PATH +
                                 ". Make sure it's set...Trying to use hardcoded /administration/ dispatching ...");