I am having some troubles making my login redirect to the same place always. I have done something like this
<http auto-config="true" use-expressions="true" entry-point-ref="gaeEntryPoint" >
<intercept-url pattern="/_ah/login" access="permitAll"/>
<intercept-url pattern="/**" access="isAuthenticated()"/>
<custom-filter position="PRE_AUTH_FILTER" ref="gaeFilter"/>
<form-login authentication-success-handler-ref="authSuccessHandler"/>
</http>
<beans:bean id="authSuccessHandler"
class="dk.lindhardt.arbejdsfordeling.server.security.AuthenticationSuccessHandlerImpl"/>
And
public class AuthenticationSuccessHandlerImpl implements AuthenticationSuccessHandler {
public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication)
throws IOException, ServletException {
if (authentication != null && authentication.isAuthenticated()) {
response.sendRedirect(OrganizationListServlet.URL);
}
}
}
It never gets into this method above. How do I make it do that?
Edit: I was following this guide http://blog.springsource.com/2010/08/02/spring-security-in-google-app-engine/
You shouldn't need to have that servlet there that then does the redirect. You can have the redirect in the config itself.
<http auto-config="true">
<intercept-url pattern="/app/login" filters="none" />
<form-login
login-page="/app/login"
login-processing-url="/app/dologin"
authentication-failure-url="/app/login?login_error=1"
default-target-url="/app/home"/>
</http>
I think we can extend SimpleUrlAuthenticationSuccessHandler
and call super.onAuthenticationSuccess()
method to use DefaultRedirectStrategy
. The modified code will be:
public class AuthenticationSuccessHandlerImpl extends SimpleUrlAuthenticationSuccessHandler {
@Override
public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication)
throws IOException, ServletException {
if (authentication != null) {
setDefaultTargetUrl(OrganizationListServlet.URL);
super.onAuthenticationSuccess(request, response, authentication);
}
}
}
You could do it without the Handler by adding the "always-use-default-target" to your form-login settings
<form-login default-target-url='/your/target/url.htm' always-use-default-target='true' />
See http://static.springsource.org/spring-security/site/docs/3.1.x/reference/springsecurity-single.html#ns-form-and-basic under "Setting a Default Post-Login Destination"
It is not pretty but I solved it by positioning a custom filter at position LAST.
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws
IOException, ServletException {
Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
if (authentication != null && authentication.isAuthenticated()) {
User user = (User) authentication.getPrincipal();
if (user.isLoggingIn()) {
if (authentication.getAuthorities().contains(AppRole.ROLE_NEW_USER)) {
((HttpServletResponse) response).sendRedirect(RegistrationServlet.URL);
} else {
((HttpServletResponse) response).sendRedirect("/" + OrganizationListServlet.URL);
}
user.setLoggingIn(false);
} else if (user.isLoggingOut()) {
((HttpServletRequest) request).getSession().invalidate();
}
}
filterChain.doFilter(request, response);
}
I think the problem is that the gaeFilter bypasses the normal login procedure and therefore I can't use the authentication-success-handler.
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