Brainstorm/Foundation Web Application/src/com/foundation/web/PassThroughDomain.java

package com.foundation.web;

import java.io.File;

import javax.net.ssl.SSLContext;

import com.foundation.web.WebApplication.ISslMapping;
import com.foundation.web.WebOptions.SslMapping;
import com.foundation.web.interfaces.ICachedResource;
import com.foundation.web.interfaces.IConnectionContext;
import com.foundation.web.interfaces.IContent;
import com.foundation.web.interfaces.IMimeTypeProvider;
import com.foundation.web.interfaces.IPassThroughDomain;
import com.foundation.web.interfaces.IRequest;
import com.foundation.web.interfaces.IResponse;
import com.foundation.web.interfaces.ISession;
import com.foundation.web.interfaces.IWebApplication;
import com.foundation.web.interfaces.IWebApplicationContainer;

/**
 * Allows a domain to be mapped to another service in another process.  Currently only useable with SSL.
 * A socket will be created to the given address:port when an SSL socket is received with the given domain in the TLS handshake.  All data will be sent directly to the receiving process via this extra socket, and the extra socket will be listened to for data that needs to be encrypted and forwarded to the client.
 */
public class PassThroughDomain implements IPassThroughDomain {
	/** The name used to map the web application to its self when reloading a webapp bundle. */
	private String name = null;
	/** The container for this application.  This will be set once the application is added to the server and should no longer be modified. */
	private IWebApplicationContainer webApplicationContainer = null;
	/** The domains that this web server accepts. */
	private String[] domains = null;
	/** The services to listen for connections on.  Should only ever include "SSL" currently. */
	private String[] services = null;
	/** The address that all content will be passed through to. */
	private String address = null;
	/** The port that all content will be passed through to. */
	private int port = 0;
	/** The mappings between domains and SSLContext's. */
	private ISslMapping[] sslMappings = null;

/**
 * PassThroughDomain constructor.
 * @param name The name of the web application (unique), used by the web server to link resources back to the web application when it is restarted.  This should never change between runnings of the web app.
 * @param services Currently only "SSL" is accepted.
 * @param domains The domains for which this web application is used.
 * @param address The address of the remote process receiving the content sent by the client.  Can be "localhost".
 * @param port The port of the remote process.
 * @param sslMappings The ssl mappings to be used.
 */
public PassThroughDomain(String name, String[] services, String[] domains, String address, int port, WebOptions.SslMapping[] sslMappings) {
	this.name = name;
	this.domains = domains;
	this.address = address;
	this.port = port;
	this.services = services;
	this.sslMappings = (ISslMapping[]) sslMappings.clone();
}//PassThroughDomain()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IPassThroughDomain#getAddress()
 */
public String getAddress() {
	return address;
}//getAddress()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IPassThroughDomain#getPort()
 */
public int getPort() {
	return port;
}//getPort()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getName()
 */
public String getName() {
	return name;
}//getName()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getCompressResponses()
 */
public boolean getCompressResponses() {
	return false;
}//getCompressResponses()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getDefaultPackageName()
 */
public String getDefaultPackageName() {
	return null;
}//getDefaultPackageName()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#setCacheCuttoffSize(long)
 */
public void setCacheCuttoffSize(long cacheCutoffSize) {
}//setCacheCuttoffSize()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#clearCaches()
 */
public void clearCaches() {
}//clearCaches()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#release()
 */
public void release() {
}//release()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#serializeSessions()
 */
public File serializeSessions() {
	return null;
}//serializeSessions()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#deserializeSessions(java.io.File)
 */
public boolean deserializeSessions(File sessionFile) {
	return true;
}//deserializeSessions()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getWebApplicationContainer()
 */
public IWebApplicationContainer getWebApplicationContainer() {
	return webApplicationContainer;
}//getWebApplicationContainer()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#completeInitialization(com.foundation.web.interfaces.IWebApplicationContainer)
 */
public void completeInitialization(IWebApplicationContainer webApplicationContainer) {
	if(webApplicationContainer == null) {
		throw new IllegalArgumentException("Must provide a web server reference.");
	}//if//
	else if(this.webApplicationContainer != null) {
		throw new IllegalArgumentException("Cannot complete the initialization of a web application twice.");
	}//else if//
	
	this.webApplicationContainer = webApplicationContainer;
}//completeInitialization()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#getCachedResource(java.lang.String)
 */
public ICachedResource getCachedResource(String canonicalPath) {
	return null;
}//getCachedResource()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#getMaxCachedResourceSize()
 */
public long getMaxCachedResourceSize() {
	return 0;
}//getMaxCachedResourceSize()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#getMimeTypeProvider()
 */
public IMimeTypeProvider getMimeTypeProvider() {
	return null;
}//getMimeTypeProvider()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#isCachingResources()
 */
public boolean isCachingResources() {
	return false;
}//isCachingResources()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#setCachedResource(java.lang.String, java.io.File, byte[])
 */
public void setCachedResource(String canonicalPath, File file, byte[] contents) {
}//setCachedResource()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#createSecureSession(com.foundation.web.interfaces.ISession)
 */
public void createSecureSession(ISession session) {
}//createSecureSession()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#createSession()
 */
public ISession createSession() {
	return null;
}//createSession()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#recreateSession(java.lang.String)
 */
public ISession recreateSession(String sessionId) {
	return null;
}//recreateSession()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getSessionData(com.foundation.web.interfaces.ISession)
 */
public byte[] getSessionData(ISession session) {
	return null;
}//getSessionData()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getMaxMessageSize(com.foundation.web.interfaces.IRequest, java.lang.Object, java.lang.Object)
 */
public int getMaxMessageSize(IRequest request, Object sessionData, Object secureSessionData) {
	return 0;
}//getMaxMessageSize()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebServerApplication#getBaseDirectory()
 */
public File getBaseDirectory() {
	return null;
}//getBaseDirectory()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getExternalBaseDirectory()
 */
public File getExternalBaseDirectory() {
	return null;
}//getExternalBaseDirectory()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#getCacheBaseDirectory()
 */
public File getCacheBaseDirectory() {
	return null;
}//getCacheBaseDirectory()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#initiateOpenIdAuth(java.lang.String)
 */
public String initiateOpenIdAuth(String userId) {
	return null;
}//initiateOpenIdAuth()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebServerApplication#getDomains()
 */
public String[] getDomains() {
	return domains;
}//getDomains()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#getServices()
 */
public String[] getServices() {
	return services;
}//getServices()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebApplication#getSslContext(java.lang.String)
 */
public SSLContext getSslContext(String domain) {
	SSLContext result = null;
	
	//Search for the first matching domain.  Note that the domain passed may contain sub-domain markings while the ssl mapping may be just the top level domain.//
	for(int index = 0, size = sslMappings == null ? 0 : sslMappings.length; result == null && index < size; index++) {
		String[] domains = sslMappings[index].getDomains();
		
		for(int domainIndex = 0; domainIndex < domains.length; domainIndex++) {
			//TODO: Support wild cards here!
			if(domain.equals(domains[domainIndex])) {
				result = sslMappings[index].getSslContext();
			}//if//
		}//for//
	}//for//
	
	return result;
}//getSslContext()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebServerApplication#getErrorContent(int)
 */
public IContent getErrorContent(int errorCode) {
	return null;
}//getErrorContent()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebServerApplication#getErrorHeader(int)
 */
public String getErrorHeader(int errorCode) {
	return null;
}//getErrorHeader()//
/* (non-Javadoc)
 * @see com.foundation.web.server.IWebServerApplication#getSession(java.lang.String)
 */
public ISession getSession(String sessionId) {
	return null;
}//getSession()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#processRequest(com.foundation.web.interfaces.IRequest, com.foundation.web.interfaces.IResponse, com.foundation.web.interfaces.ISession, boolean, boolean, com.foundation.web.interfaces.IConnectionContext)
 */
public void processRequest(IRequest request, IResponse response, ISession session, boolean isSecure, boolean clientHadBadSession, IConnectionContext connectionContext) {
	response.setForwardUri("https://" + request.getHost() + request.getUri() + (request.getParameterString() != null ? request.getParameterString() : ""));
}//processRequest()//
/* (non-Javadoc)
 * @see com.foundation.web.interfaces.IWebApplication#retainWholeRequestBuffer(com.foundation.web.interfaces.IRequest)
 */
public boolean retainWholeRequestBuffer(IRequest request) {
	return false;
}//retainWholeRequestBuffer()//
}//PassThroughDomain//