apacheconfig.java

Tomcat 4.1与WebServer集成组件的源代码包.

	mod_jk.println();                

	
	// Fail if workers file not found, let the user know the problem
	// instead of running into problems later.
	if( ! workersConfig.exists() ) {
	    log( "Can't find workers.properties at " + workersConfig );
	    log( "Please install it in the default location or " +
		 " set the config location" );
	    log( "Using <Listener className=\"" + getClass().getName() + "\"  workersConfig=\"FULL_PATH\" />" );
	    return false;
	}
            
	mod_jk.println("JkWorkersFile \"" 
		       + workersConfig.toString().replace('\\', '/') 
		       + "\"");

	mod_jk.println("JkLogFile \"" 
		       + jkLog.toString().replace('\\', '/') 
		       + "\"");
	mod_jk.println();

	if( jkDebug != null ) {
	    mod_jk.println("JkLogLevel " + jkDebug);
	    mod_jk.println();
	}
	return true;
    }

    protected void generateVhostHead(Host host, PrintWriter mod_jk) {

        mod_jk.println();
        String vhostip = host.getName();
	String vhost = vhostip;
	int ppos = vhost.indexOf(":");
	if(ppos >= 0)
	    vhost = vhost.substring(0,ppos);

        mod_jk.println("<VirtualHost "+ vhostip + ">");
        mod_jk.println("    ServerName " + vhost );
        String [] aliases=host.findAliases();
        if( aliases.length > 0 ) {
            mod_jk.print("    ServerAlias " );
            for( int ii=0; ii < aliases.length ; ii++) {
                mod_jk.print( aliases[ii] + " " );
            }
            mod_jk.println();
        }
        indent="    ";
    }

    protected void generateVhostTail(Host host, PrintWriter mod_jk) {
        mod_jk.println("</VirtualHost>");
        indent="";
    }
    
    protected void generateSSLConfig(PrintWriter mod_jk) {
	if( ! sslExtract ) {
	    mod_jk.println("JkExtractSSL Off");        
	}
	if( ! "HTTPS".equalsIgnoreCase( sslHttpsIndicator ) ) {
	    mod_jk.println("JkHTTPSIndicator " + sslHttpsIndicator);        
	}
	if( ! "SSL_SESSION_ID".equalsIgnoreCase( sslSessionIndicator )) {
	    mod_jk.println("JkSESSIONIndicator " + sslSessionIndicator);
	}
	if( ! "SSL_CIPHER".equalsIgnoreCase( sslCipherIndicator )) {
	    mod_jk.println("JkCIPHERIndicator " + sslCipherIndicator);
	}
	if( ! "SSL_CLIENT_CERT".equalsIgnoreCase( sslCertsIndicator )) {
	    mod_jk.println("JkCERTSIndicator " + sslCertsIndicator);
	}

	mod_jk.println();
    }

    // -------------------- Forward all mode --------------------
    String indent="";
    
    /** Forward all requests for a context to tomcat.
	The default.
     */
    protected void generateStupidMappings(Context context,
					   PrintWriter mod_jk )
    {
	String ctxPath  = context.getPath();
	if(ctxPath == null)
	    return;

	String nPath=("".equals(ctxPath)) ? "/" : ctxPath;
	
        mod_jk.println();
	mod_jk.println(indent + "JkMount " +  nPath + " " + jkWorker );
	if( "".equals(ctxPath) ) {
	    mod_jk.println(indent + "JkMount " +  nPath + "* " + jkWorker );
            if ( context.getParent() instanceof Host ) {
                mod_jk.println(indent + "DocumentRoot \"" +
                            getApacheDocBase(context) + "\"");
            } else {
                mod_jk.println(indent +
                        "# To avoid Apache serving root welcome files from htdocs, update DocumentRoot");
                mod_jk.println(indent +
                        "# to point to: \"" + getApacheDocBase(context) + "\"");
            }

	} else {
	    mod_jk.println(indent + "JkMount " +  nPath + "/* " + jkWorker );
	}
    }    

    
    private void generateNameVirtualHost( PrintWriter mod_jk, String ip ) {
        if( !NamedVirtualHosts.containsKey(ip) ) {
            mod_jk.println("NameVirtualHost " + ip + "");
            NamedVirtualHosts.put(ip,ip);
        }
    }
    
    // -------------------- Apache serves static mode --------------------
    // This is not going to work for all apps. We fall back to stupid mode.
    
    protected void generateContextMappings(Context context, PrintWriter mod_jk )
    {
	String ctxPath  = context.getPath();
	Host vhost = getHost(context);

        if( noRoot &&  "".equals(ctxPath) ) {
            log("Ignoring root context in non-forward-all mode  ");
            return;
        }

	mod_jk.println();
	mod_jk.println(indent + "#################### " +
		       ((vhost!=null ) ? vhost.getName() + ":" : "" ) +
		       (("".equals(ctxPath)) ? "/" : ctxPath ) +
		       " ####################" );
        mod_jk.println();
	// Dynamic /servet pages go to Tomcat
 
	generateStaticMappings( context, mod_jk );

	// InvokerInterceptor - it doesn't have a container,
	// but it's implemented using a special module.
	
	// XXX we need to better collect all mappings

	if(context.getLoginConfig() != null) {
	    String loginPage = context.getLoginConfig().getLoginPage();
	    if(loginPage != null) {
		int lpos = loginPage.lastIndexOf("/");
		String jscurl = loginPage.substring(0,lpos+1) + "j_security_check";
		addMapping( ctxPath, jscurl, mod_jk);
	    }
	}
	String [] servletMaps = context.findServletMappings();
	for(int ii=0; ii < servletMaps.length; ii++) {
	      addMapping( ctxPath, servletMaps[ii] , mod_jk );
	}
    }

    /** Add an Apache extension mapping.
     */
    protected boolean addExtensionMapping( String ctxPath, String ext,
					 PrintWriter mod_jk )
    {
        if( debug > 0 )
            log( "Adding extension map for " + ctxPath + "/*." + ext );
	mod_jk.println(indent + "JkMount " + ctxPath + "/*." + ext
		       + " " + jkWorker);
	return true;
    }
    
    
    /** Add a fulling specified Appache mapping.
     */
    protected boolean addMapping( String fullPath, PrintWriter mod_jk ) {
        if( debug > 0 )
            log( "Adding map for " + fullPath );
	mod_jk.println(indent + "JkMount " + fullPath + "  " + jkWorker );
	return true;
    }
    /** Add a partially specified Appache mapping.
     */
    protected boolean addMapping( String ctxP, String ext, PrintWriter mod_jk ) {
        if( debug > 0 )
            log( "Adding map for " + ext );
	if(! ext.startsWith("/") )
	    ext = "/" + ext;
	if(ext.length() > 1)
	    mod_jk.println(indent + "JkMount " + ctxP + ext+ "  " + jkWorker );
	return true;
    }

    private void generateWelcomeFiles(Context context, PrintWriter mod_jk ) {
	String wf[]=context.findWelcomeFiles();
	if( wf==null || wf.length == 0 )
	    return;
	mod_jk.print(indent + "    DirectoryIndex ");
	for( int i=0; i<wf.length ; i++ ) {
	    mod_jk.print( wf[i] + " " );
	}
	mod_jk.println();
    }

    /** Mappings for static content. XXX need to add welcome files,
     *  mime mappings ( all will be handled by Mime and Static modules of
     *  apache ).
     */
    private void generateStaticMappings(Context context, PrintWriter mod_jk ) {
	String ctxPath  = context.getPath();

	// Calculate the absolute path of the document base
	String docBase = getApacheDocBase(context);

        if( !"".equals(ctxPath) ) {
            // Static files will be served by Apache
            mod_jk.println(indent + "# Static files ");		    
            mod_jk.println(indent + "Alias " + ctxPath + " \"" + docBase + "\"");
            mod_jk.println();
        } else {
            if ( getHost(context) != null ) {
                mod_jk.println(indent + "DocumentRoot \"" +
                            getApacheDocBase(context) + "\"");
            } else {
                // For root context, ask user to update DocumentRoot setting.
                // Using "Alias / " interferes with the Alias for other contexts.
                mod_jk.println(indent +
                        "# Be sure to update DocumentRoot");
                mod_jk.println(indent +
                        "# to point to: \"" + docBase + "\"");
            }
        }
	mod_jk.println(indent + "<Directory \"" + docBase + "\">");
	mod_jk.println(indent + "    Options Indexes FollowSymLinks");

	generateWelcomeFiles(context, mod_jk);

	// XXX XXX Here goes the Mime types and welcome files !!!!!!!!
	mod_jk.println(indent + "</Directory>");
	mod_jk.println();            
	

	// Deny serving any files from WEB-INF
	mod_jk.println();            
	mod_jk.println(indent +
		       "# Deny direct access to WEB-INF and META-INF");
	mod_jk.println(indent + "#");                        
	mod_jk.println(indent + "<Location \"" + ctxPath + "/WEB-INF/*\">");
	mod_jk.println(indent + "    AllowOverride None");
	mod_jk.println(indent + "    deny from all");
	mod_jk.println(indent + "</Location>");
	// Deny serving any files from META-INF
	mod_jk.println();            
	mod_jk.println(indent + "<Location \"" + ctxPath + "/META-INF/*\">");
	mod_jk.println(indent + "    AllowOverride None");
	mod_jk.println(indent + "    deny from all");
	mod_jk.println(indent + "</Location>");
	if (File.separatorChar == '\\') {
	    mod_jk.println(indent + "#");		    
	    mod_jk.println(indent +
			   "# Use Directory too. On Windows, Location doesn't"
			   + " work unless case matches");
	    mod_jk.println(indent + "#");                        
	    mod_jk.println(indent +
			   "<Directory \"" + docBase + "/WEB-INF/\">");
	    mod_jk.println(indent + "    AllowOverride None");
	    mod_jk.println(indent + "    deny from all");
	    mod_jk.println(indent + "</Directory>");
	    mod_jk.println();
	    mod_jk.println(indent +
			   "<Directory \"" + docBase + "/META-INF/\">");
	    mod_jk.println(indent + "    AllowOverride None");
	    mod_jk.println(indent + "    deny from all");
	    mod_jk.println(indent + "</Directory>");
	}
	mod_jk.println();
    }    

    // -------------------- Utils --------------------

    private String getApacheDocBase(Context context)
    {
	// Calculate the absolute path of the document base
	String docBase = getAbsoluteDocBase(context);
	if (File.separatorChar == '\\') {
	    // use separator preferred by Apache
	    docBase = docBase.replace('\\','/');
	}
        return docBase;
    }

    private String getVirtualHostAddress(String vhost, String vhostip) {
        if( vhostip == null ) {
            if ( vhost != null && vhost.length() > 0 && Character.isDigit(vhost.charAt(0)) )
                vhostip=vhost;
            else
                vhostip="*";
        }
        return vhostip;
    }

}