Example usage for java.security.acl Group toString

Introduction

In this page you can find the example usage for java.security.acl Group toString.

Prototype

public String toString();

Source Link

Document

Returns a string representation of this principal.

Usage

From source file:de.juwimm.cms.beans.foreign.security.ConQuestDaoAuthenticationProvider.java

/**
 * Attempts to login the user given the Authentication objects principal and credential
 *
 * @param auth The Authentication object to be authenticated.
 *
 * @return The authenticated Authentication object, with it's grantedAuthorities set.
 *
 * @throws AuthenticationException This implementation does not handle 'locked' or 'disabled' accounts. This method
 *         only throws a AuthenticationServiceException, with the message of the LoginException that will be
 *         thrown, should the loginContext.login() method fail.
 *//*from   w w w  . j  a v a 2  s . c o m*/
public Authentication authenticate(Authentication auth) throws AuthenticationException {
    if (auth instanceof UsernamePasswordAuthenticationToken) {
        UsernamePasswordAuthenticationToken request = (UsernamePasswordAuthenticationToken) auth;

        try {
            //Create the LoginContext object, and pass our InternallCallbackHandler
            LoginContext loginContext = new LoginContext(loginContextName, new InternalCallbackHandler(auth));

            //Attempt to login the user, the LoginContext will call our InternalCallbackHandler at this point.
            loginContext.login();

            //create a set to hold the authorities, and add any that have already been applied.
            Set authorities = new HashSet();

            if (request.getAuthorities() != null) {
                authorities.addAll(Arrays.asList(request.getAuthorities()));
            }

            //get the subject principals and pass them to each of the AuthorityGranters
            Set principals = loginContext.getSubject().getPrincipals();

            authorities.add(new JaasGrantedAuthority("*", new AllPrincipal()));

            for (Iterator iterator = principals.iterator(); iterator.hasNext();) {
                Principal principal = (Principal) iterator.next();
                if (principal instanceof Group) {
                    Group g = (Group) principal;
                    if (g.members() != null) {
                        Enumeration members = g.members();
                        while (members.hasMoreElements()) {
                            Principal object = (Principal) members.nextElement();
                            authorities.add(new JaasGrantedAuthority(object.toString(), object));
                        }
                    } else {
                        authorities.add(new JaasGrantedAuthority(g.toString(), g));
                    }
                }
            }

            //Convert the authorities set back to an array and apply it to the token.
            JaasAuthenticationToken result = new JaasAuthenticationToken(request.getPrincipal(),
                    request.getCredentials(),
                    (GrantedAuthority[]) authorities.toArray(new GrantedAuthority[authorities.size()]),
                    loginContext);

            //Publish the success event
            publishSuccessEvent(result);

            //we're done, return the token.
            return result;
        } catch (LoginException loginException) {
            SpringSecurityException ase = loginExceptionResolver.resolveException(loginException);

            publishFailureEvent(request, ase);
            throw ase;
        }
    }

    return null;
}

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