checklist checklist - 1 year ago 309
Java Question

Spring OAuth2 - Manually creating an access token in the token store

I have a situation where I would like to create an access token myself (so not through the usual process). I have come up with something like this:

private DefaultTokenServices defaultTokenServices;


OAuth2Authentication auth = xxx;
OAuth2AccessToken token = defaultTokenServices.createAccessToken(auth);

The only problem is that I am not sure how to create the OAuth2Authentication (in my code the part with xxx). I have the user & client info and I know which Authorities I want to grant this token.

Answer Source

Here it is, your use case may differ slightly based on the flow you are using. This is what works for a password grant flow. There are a few custom class like token store, token enhancer ect. but that is really just extended versions of the spring classes modified for our own needs.

        HashMap<String, String> authorizationParameters = new HashMap<String, String>();
        authorizationParameters.put("scope", "read");
        authorizationParameters.put("username", "mobile_client");
        authorizationParameters.put("client_id", "mobile-client");
        authorizationParameters.put("grant", "password");

        DefaultAuthorizationRequest authorizationRequest = new DefaultAuthorizationRequest(authorizationParameters);

        Set<GrantedAuthority> authorities = new HashSet<GrantedAuthority>();
        authorities.add(new SimpleGrantedAuthority("ROLE_UNTRUSTED_CLIENT"));

        HashSet<String> resourceIds = new HashSet<String>();

        // Create principal and auth token
        User userPrincipal = new User(user.getUserID(), "", true, true, true, true, authorities);

        UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(userPrincipal, null, authorities) ;

        OAuth2Authentication authenticationRequest = new OAuth2Authentication(authorizationRequest, authenticationToken);

        CustomTokenStore tokenStore = new CustomTokenStore();

        // Token Enhancer
        CustomTokenEnhancer tokenEnhancer = new CustomTokenEnhancer(user.getUserID());

        CustomTokenServices tokenServices = new CustomTokenServices();

        OAuth2AccessToken accessToken = tokenServices.createAccessTokenForUser(authenticationRequest, user);
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