edu.internet2.middleware.shibboleth.idp.session
Class IdPSessionFilter

java.lang.Object
  edu.internet2.middleware.shibboleth.idp.session.IdPSessionFilter

All Implemented Interfaces:

javax.servlet.Filter

public class IdPSessionFilter
extends Object
implements javax.servlet.Filter

A filter that adds the current users Session the request, if the user has a session.

Field Summary

private boolean	consistentAddress Whether the client must always come back from the same address.
private String	cookieDomain Non-default cookie domain, if set.
private org.slf4j.Logger	log Class Logger.
private SessionManager<Session>	sessionManager IdP session manager.

Constructor Summary

IdPSessionFilter()

Method Summary

void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain filterChain)
protected javax.servlet.http.Cookie	getIdPSessionCookie(javax.servlet.http.HttpServletRequest httpRequest) Gets the IdP session cookie from the current request, if the user currently has a session.
protected Session	getUserSession(javax.servlet.http.Cookie sessionCookie, javax.servlet.http.HttpServletRequest httpRequest, javax.servlet.http.HttpServletResponse httpResponse) Gets the user session associated with a session cookie.
void	init(javax.servlet.FilterConfig filterConfig)
protected boolean	isCookieValid(javax.servlet.http.HttpServletRequest httpRequest, javax.servlet.http.HttpServletResponse httpResponse, byte[] v4AddressBytes, byte[] v6AddressBytes, byte[] sessionIdBytes, byte[] signatureBytes, byte[] sessionSecret) Validates the session cookie.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

private final org.slf4j.Logger log

Class Logger.

cookieDomain

private String cookieDomain

Non-default cookie domain, if set.

consistentAddress

private boolean consistentAddress

Whether the client must always come back from the same address.

sessionManager

private SessionManager<Session> sessionManager

IdP session manager.

Constructor Detail

IdPSessionFilter

public IdPSessionFilter()

Method Detail

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain filterChain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

getIdPSessionCookie

protected javax.servlet.http.Cookie getIdPSessionCookie(javax.servlet.http.HttpServletRequest httpRequest)

Gets the IdP session cookie from the current request, if the user currently has a session.

Parameters:

httpRequest - current HTTP request

Returns:

the user's current IdP session cookie, if they have a current session, otherwise null

getUserSession

protected Session getUserSession(javax.servlet.http.Cookie sessionCookie,
                                 javax.servlet.http.HttpServletRequest httpRequest,
                                 javax.servlet.http.HttpServletResponse httpResponse)

Gets the user session associated with a session cookie.

Parameters:

sessionCookie - the session cookie

httpRequest - the current HTTP request

httpResponse - the current HTTP response

Returns:

the session associated with the cookie or null if there is no currently assoicated session

isCookieValid

protected boolean isCookieValid(javax.servlet.http.HttpServletRequest httpRequest,
                                javax.servlet.http.HttpServletResponse httpResponse,
                                byte[] v4AddressBytes,
                                byte[] v6AddressBytes,
                                byte[] sessionIdBytes,
                                byte[] signatureBytes,
                                byte[] sessionSecret)

Validates the session cookie. This validates that the cookie came from the same IP address to which it was given, if consistent address checking is enabled, and that cookie data hasn't been changed.

Parameters:

httpRequest - incoming HTTP request

httpResponse - outgoing HTTP response

v4AddressBytes - IPv4 remote address from the cookie value

v6AddressBytes - IPv6 remote address from the cookie value

sessionIdBytes - session ID from the cookie value

signatureBytes - signature from the cookie value

sessionSecret - secrete associated with the user's session

Returns:

true if the information in the cookie is valid, false if not