TokenEndpoint
@FrameworkEndpoint public class TokenEndpoint extends AbstractEndpoint { private OAuth2RequestValidator oAuth2RequestValidator = new DefaultOAuth2RequestValidator(); private Set<HttpMethod> allowedRequestMethods = new HashSet<HttpMethod>(Arrays.asList(HttpMethod.POST)); @RequestMapping(value = "/oauth/token", method=RequestMethod.GET) public ResponseEntity<OAuth2AccessToken> getAccessToken(Principal principal, @RequestParam Map<String, String> parameters) throws HttpRequestMethodNotSupportedException { if (!allowedRequestMethods.contains(HttpMethod.GET)) { throw new HttpRequestMethodNotSupportedException("GET"); } return postAccessToken(principal, parameters); } @RequestMapping(value = "/oauth/token", method=RequestMethod.POST) public ResponseEntity<OAuth2AccessToken> postAccessToken(Principal principal, @RequestParam Map<String, String> parameters) throws HttpRequestMethodNotSupportedException { if (!(principal instanceof Authentication)) { throw new InsufficientAuthenticationException( "There is no client authentication. Try adding an appropriate authentication filter."); } String clientId = getClientId(principal); ClientDetails authenticatedClient = getClientDetailsService().loadClientByClientId(clientId); TokenRequest tokenRequest = getOAuth2RequestFactory().createTokenRequest(parameters, authenticatedClient); if (clientId != null && !clientId.equals("")) { // Only validate the client details if a client authenticated during this // request. if (!clientId.equals(tokenRequest.getClientId())) { // double check to make sure that the client ID in the token request is the same as that in the // authenticated client throw new InvalidClientException("Given client ID does not match authenticated client"); } } if (authenticatedClient != null) { oAuth2RequestValidator.validateScope(tokenRequest, authenticatedClient); } if (!StringUtils.hasText(tokenRequest.getGrantType())) { throw new InvalidRequestException("Missing grant type"); } if (tokenRequest.getGrantType().equals("implicit")) { throw new InvalidGrantException("Implicit grant type not supported from token endpoint"); } if (isAuthCodeRequest(parameters)) { // The scope was requested or determined during the authorization step if (!tokenRequest.getScope().isEmpty()) { logger.debug("Clearing scope of incoming token request"); tokenRequest.setScope(Collections.<String> emptySet()); } } if (isRefreshTokenRequest(parameters)) { // A refresh token has its own default scopes, so we should ignore any added by the factory here. tokenRequest.setScope(OAuth2Utils.parseParameterList(parameters.get(OAuth2Utils.SCOPE))); } OAuth2AccessToken token = getTokenGranter().grant(tokenRequest.getGrantType(), tokenRequest); if (token == null) { throw new UnsupportedGrantTypeException("Unsupported grant type: " + tokenRequest.getGrantType()); } return getResponse(token); }ClientDetails、ClientDetailsService
/** * A service that provides the details about an OAuth2 client. * * @author Ryan Heaton */ public interface ClientDetailsService { /** * Load a client by the client id. This method must not return null. * * @param clientId The client id. * @return The client details (never null). * @throws ClientRegistrationException If the client account is locked, expired, disabled, or invalid for any other reason. */ ClientDetails loadClientByClientId(String clientId) throws ClientRegistrationException; }