HackAuthenticator.java

package com.jpeterson.littles3.bo;

import javax.servlet.http.HttpServletRequest;

import com.jpeterson.littles3.S3ObjectRequest;

/**
 * Simple Authenticator used for development.
 * 
 * @author Jesse Peterson
 */
public class HackAuthenticator implements Authenticator {
	private Authenticator authenticator;

	public HackAuthenticator() {

	}

	public Authenticator getAuthenticator() {
		return authenticator;
	}

	public void setAuthenticator(Authenticator authenticator) {
		this.authenticator = authenticator;
	}

	/**
	 * This implementation looks for an HTTP request header named "x-hack-user".
	 * If found, the request is authenticated and the value of the header is
	 * used to create a <code>CanonicalUser</code>. If not found and another
	 * <code>authenticator</code> has been provided, the request will be forward
	 * to the <code>authenticator</code>. If no <code>authenticator</code>
	 * provided, the request is considered anonymous.
	 */
	public CanonicalUser authenticate(HttpServletRequest req,
			S3ObjectRequest s3Request) throws AuthenticatorException {
		String username = req.getHeader("x-hack-user");
		if (username != null) {
			System.out.println("HACK! USING USERNAME FROM HEADER: " + username);
			return new CanonicalUser(username);
		} else if (authenticator != null) {
			return authenticator.authenticate(req, s3Request);
		}
		return new CanonicalUser(CanonicalUser.ID_ANONYMOUS);
	}
}