Fix package tangles -> OAuth2/Oidc AuthenticationProvider's

Fixes gh-4614

config/src/main/java/org/springframework/security/config/annotation/web/configurers/oauth2/client/OAuth2LoginConfigurer.java

@@ -36,6 +36,7 @@ import org.springframework.security.oauth2.client.web.AuthorizationRequestReposi
 import org.springframework.security.oauth2.client.web.AuthorizationRequestUriBuilder;
 import org.springframework.security.oauth2.core.AccessToken;
 import org.springframework.security.oauth2.core.user.OAuth2User;
+import org.springframework.security.oauth2.oidc.client.authentication.userinfo.OidcUserAuthenticationProvider;
 import org.springframework.security.oauth2.oidc.client.authentication.userinfo.OidcUserService;
 import org.springframework.security.web.authentication.ui.DefaultLoginPageGeneratingFilter;
 import org.springframework.security.web.util.matcher.RequestMatcher;
@@ -195,19 +196,6 @@ public final class OAuth2LoginConfigurer<B extends HttpSecurityBuilder<B>> exten
 			return this;
 		}
 
-		private OAuth2UserService getUserService() {
-			if (this.userService == null) {
-				List<OAuth2UserService> userServices = new ArrayList<>();
-				userServices.add(new DefaultOAuth2UserService());
-				userServices.add(new OidcUserService());
-				if (!this.customUserTypes.isEmpty()) {
-					userServices.add(new CustomUserTypesOAuth2UserService(this.customUserTypes));
-				}
-				this.userService = new DelegatingOAuth2UserService(userServices);
-			}
-			return this.userService;
-		}
-
 		public OAuth2LoginConfigurer<B> and() {
 			return OAuth2LoginConfigurer.this;
 		}
@@ -219,13 +207,35 @@ public final class OAuth2LoginConfigurer<B extends HttpSecurityBuilder<B>> exten
 		this.authorizationCodeGrantConfigurer.setBuilder(http);
 		this.authorizationCodeGrantConfigurer.init(http);
 
+		OAuth2UserService userService = this.userInfoEndpointConfig.userService;
+		if (userService == null) {
+			if (!this.userInfoEndpointConfig.customUserTypes.isEmpty()) {
+				List<OAuth2UserService> userServices = new ArrayList<>();
+				userServices.add(new CustomUserTypesOAuth2UserService(this.userInfoEndpointConfig.customUserTypes));
+				userServices.add(new DefaultOAuth2UserService());
+				userService = new DelegatingOAuth2UserService(userServices);
+			} else {
+				userService = new DefaultOAuth2UserService();
+			}
+		}
 		OAuth2UserAuthenticationProvider oauth2UserAuthenticationProvider =
-			new OAuth2UserAuthenticationProvider(this.userInfoEndpointConfig.getUserService());
+			new OAuth2UserAuthenticationProvider(userService);
 		if (this.userInfoEndpointConfig.userAuthoritiesMapper != null) {
 			oauth2UserAuthenticationProvider.setAuthoritiesMapper(this.userInfoEndpointConfig.userAuthoritiesMapper);
 		}
 		http.authenticationProvider(this.postProcess(oauth2UserAuthenticationProvider));
 
+		userService = this.userInfoEndpointConfig.userService;
+		if (userService == null) {
+			userService = new OidcUserService();
+		}
+		OidcUserAuthenticationProvider oidcUserAuthenticationProvider =
+			new OidcUserAuthenticationProvider(userService);
+		if (this.userInfoEndpointConfig.userAuthoritiesMapper != null) {
+			oidcUserAuthenticationProvider.setAuthoritiesMapper(this.userInfoEndpointConfig.userAuthoritiesMapper);
+		}
+		http.authenticationProvider(this.postProcess(oidcUserAuthenticationProvider));
+
 		this.initDefaultLoginFilter(http);
 	}
 

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/authentication/AuthorizationCodeAuthenticationProvider.java

@@ -65,10 +65,9 @@ public class AuthorizationCodeAuthenticationProvider implements AuthenticationPr
 		// Section 3.1.2.1 Authentication Request - http://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
 		// scope
 		// 		REQUIRED. OpenID Connect requests MUST contain the "openid" scope value.
-		//		If the openid scope value is not present, the behavior is entirely unspecified.
 		if (authorizationCodeAuthentication.getAuthorizationRequest().getScope().contains("openid")) {
-			// The OpenID Connect implementation of Authorization Code AuthenticationProvider
-			// should handle OpenID Connect Authentication Requests so don't handle and return null
+			// This is an OpenID Connect Authentication Request so return null
+			// and let OidcAuthorizationCodeAuthenticationProvider handle it instead
 			return null;
 		}
 

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/authentication/userinfo/CustomUserTypesOAuth2UserService.java

@@ -20,7 +20,6 @@ import org.springframework.beans.PropertyAccessorFactory;
 import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationException;
 import org.springframework.security.oauth2.client.authentication.OAuth2ClientAuthenticationToken;
 import org.springframework.security.oauth2.core.user.OAuth2User;
-import org.springframework.security.oauth2.oidc.client.authentication.OidcClientAuthenticationToken;
 import org.springframework.util.Assert;
 
 import java.net.URI;
@@ -70,9 +69,6 @@ public class CustomUserTypesOAuth2UserService implements OAuth2UserService {
 		}
 
 		Map<String, Object> userAttributes = this.userInfoRetriever.retrieve(clientAuthentication);
-		if (OidcClientAuthenticationToken.class.isAssignableFrom(clientAuthentication.getClass())) {
-			userAttributes.putAll(((OidcClientAuthenticationToken)clientAuthentication).getIdToken().getClaims());
-		}
 
 		BeanWrapper wrapper = PropertyAccessorFactory.forBeanPropertyAccess(customUser);
 		wrapper.setAutoGrowNestedPaths(true);

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/authentication/userinfo/DefaultOAuth2UserService.java

@@ -22,7 +22,6 @@ import org.springframework.security.oauth2.client.registration.ClientRegistratio
 import org.springframework.security.oauth2.core.user.DefaultOAuth2User;
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.security.oauth2.core.user.OAuth2UserAuthority;
-import org.springframework.security.oauth2.oidc.client.authentication.OidcClientAuthenticationToken;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
@@ -54,10 +53,6 @@ public class DefaultOAuth2UserService implements OAuth2UserService {
 
 	@Override
 	public OAuth2User loadUser(OAuth2ClientAuthenticationToken clientAuthentication) throws OAuth2AuthenticationException {
-		if (OidcClientAuthenticationToken.class.isAssignableFrom(clientAuthentication.getClass())) {
-			return null;
-		}
-
 		String userNameAttributeName = clientAuthentication.getClientRegistration().getProviderDetails().getUserInfoEndpoint().getUserNameAttributeName();
 		if (!StringUtils.hasText(userNameAttributeName)) {
 			throw new IllegalArgumentException(

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/authentication/userinfo/DelegatingOAuth2UserService.java

@@ -20,6 +20,8 @@ import org.springframework.security.oauth2.client.authentication.OAuth2ClientAut
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.util.Assert;
 
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 
@@ -41,7 +43,7 @@ public class DelegatingOAuth2UserService implements OAuth2UserService {
 
 	public DelegatingOAuth2UserService(List<OAuth2UserService> userServices) {
 		Assert.notEmpty(userServices, "userServices cannot be empty");
-		this.userServices = userServices;
+		this.userServices = Collections.unmodifiableList(new ArrayList<>(userServices));
 	}
 
 	@Override

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/authentication/userinfo/OAuth2UserAuthenticationProvider.java

@@ -25,10 +25,6 @@ import org.springframework.security.oauth2.client.authentication.OAuth2ClientAut
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationIdentifierStrategy;
 import org.springframework.security.oauth2.core.user.OAuth2User;
-import org.springframework.security.oauth2.oidc.client.authentication.OidcClientAuthenticationToken;
-import org.springframework.security.oauth2.oidc.client.authentication.OidcUserAuthenticationToken;
-import org.springframework.security.oauth2.oidc.client.authentication.userinfo.OidcUserService;
-import org.springframework.security.oauth2.oidc.core.user.OidcUser;
 import org.springframework.util.Assert;
 
 import java.util.Collection;
@@ -47,13 +43,9 @@ import java.util.Collection;
  * @author Joe Grandja
  * @since 5.0
  * @see OAuth2UserAuthenticationToken
- * @see OidcUserAuthenticationToken
  * @see OAuth2ClientAuthenticationToken
- * @see OidcClientAuthenticationToken
  * @see OAuth2UserService
- * @see OidcUserService
  * @see OAuth2User
- * @see OidcUser
  */
 public class OAuth2UserAuthenticationProvider implements AuthenticationProvider {
 	private final ClientRegistrationIdentifierStrategy<String> providerIdentifierStrategy = new ProviderIdentifierStrategy();
@@ -67,14 +59,26 @@ public class OAuth2UserAuthenticationProvider implements AuthenticationProvider
 
 	@Override
 	public Authentication authenticate(Authentication authentication) throws AuthenticationException {
-		OAuth2UserAuthenticationToken userAuthentication = (OAuth2UserAuthenticationToken) authentication;
-		OAuth2ClientAuthenticationToken clientAuthentication = userAuthentication.getClientAuthentication();
+		OAuth2ClientAuthenticationToken clientAuthentication = (OAuth2ClientAuthenticationToken)authentication;
+
+		// Section 3.1.2.1 Authentication Request - http://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
+		// scope
+		// 		REQUIRED. OpenID Connect requests MUST contain the "openid" scope value.
+		if (clientAuthentication.getAuthorizedScope().contains("openid")) {
+			// This is an OpenID Connect Authentication Request so return null
+			// and let OidcUserAuthenticationProvider handle it instead
+			return null;
+		}
 
 		if (this.userAuthenticated() && this.userAuthenticatedSameProviderAs(clientAuthentication)) {
 			// Create a new user authentication (using same principal)
 			// but with a different client authentication association
-			return this.createUserAuthentication(
-				(OAuth2UserAuthenticationToken)SecurityContextHolder.getContext().getAuthentication(),
+			OAuth2UserAuthenticationToken currentUserAuthentication =
+				(OAuth2UserAuthenticationToken)SecurityContextHolder.getContext().getAuthentication();
+
+			return new OAuth2UserAuthenticationToken(
+				(OAuth2User)currentUserAuthentication.getPrincipal(),
+				currentUserAuthentication.getAuthorities(),
 				clientAuthentication);
 		}
 
@@ -83,29 +87,23 @@ public class OAuth2UserAuthenticationProvider implements AuthenticationProvider
 		Collection<? extends GrantedAuthority> mappedAuthorities =
 				this.authoritiesMapper.mapAuthorities(oauth2User.getAuthorities());
 
-		OAuth2UserAuthenticationToken authenticationResult;
-		if (OidcUser.class.isAssignableFrom(oauth2User.getClass())) {
-			authenticationResult = new OidcUserAuthenticationToken(
-				(OidcUser)oauth2User, mappedAuthorities, (OidcClientAuthenticationToken)clientAuthentication);
-		} else {
-			authenticationResult = new OAuth2UserAuthenticationToken(
+		OAuth2UserAuthenticationToken authenticationResult = new OAuth2UserAuthenticationToken(
 				oauth2User, mappedAuthorities, clientAuthentication);
-		}
 		authenticationResult.setDetails(clientAuthentication.getDetails());
 
 		return authenticationResult;
 	}
 
+	@Override
+	public boolean supports(Class<?> authentication) {
+		return OAuth2ClientAuthenticationToken.class.isAssignableFrom(authentication);
+	}
+
 	public final void setAuthoritiesMapper(GrantedAuthoritiesMapper authoritiesMapper) {
 		Assert.notNull(authoritiesMapper, "authoritiesMapper cannot be null");
 		this.authoritiesMapper = authoritiesMapper;
 	}
 
-	@Override
-	public boolean supports(Class<?> authentication) {
-		return OAuth2UserAuthenticationToken.class.isAssignableFrom(authentication);
-	}
-
 	private boolean userAuthenticated() {
 		Authentication currentAuthentication = SecurityContextHolder.getContext().getAuthentication();
 		return currentAuthentication != null &&
@@ -125,23 +123,6 @@ public class OAuth2UserAuthenticationProvider implements AuthenticationProvider
 		return userProviderId.equals(clientProviderId);
 	}
 
-	private OAuth2UserAuthenticationToken createUserAuthentication(
-		OAuth2UserAuthenticationToken currentUserAuthentication,
-		OAuth2ClientAuthenticationToken newClientAuthentication) {
-
-		if (OidcUserAuthenticationToken.class.isAssignableFrom(currentUserAuthentication.getClass())) {
-			return new OidcUserAuthenticationToken(
-				(OidcUser) currentUserAuthentication.getPrincipal(),
-				currentUserAuthentication.getAuthorities(),
-				newClientAuthentication);
-		} else {
-			return new OAuth2UserAuthenticationToken(
-				(OAuth2User)currentUserAuthentication.getPrincipal(),
-				currentUserAuthentication.getAuthorities(),
-				newClientAuthentication);
-		}
-	}
-
 	private static class ProviderIdentifierStrategy implements ClientRegistrationIdentifierStrategy<String> {
 
 		@Override

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/authentication/userinfo/OAuth2UserAuthenticationToken.java

@@ -24,7 +24,6 @@ import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.util.Assert;
 
 import java.util.Collection;
-import java.util.Collections;
 
 /**
  * An implementation of an {@link AbstractAuthenticationToken}
@@ -44,10 +43,6 @@ public class OAuth2UserAuthenticationToken extends AbstractAuthenticationToken {
 	private final OAuth2User principal;
 	private final OAuth2ClientAuthenticationToken clientAuthentication;
 
-	public OAuth2UserAuthenticationToken(OAuth2ClientAuthenticationToken clientAuthentication) {
-		this(null, Collections.emptyList(), clientAuthentication);
-	}
-
 	public OAuth2UserAuthenticationToken(OAuth2User principal, Collection<? extends GrantedAuthority> authorities,
 											OAuth2ClientAuthenticationToken clientAuthentication) {
 		super(authorities);

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/client/web/AuthorizationCodeAuthenticationFilter.java

@@ -22,7 +22,6 @@ import org.springframework.security.oauth2.client.authentication.AuthorizationCo
 import org.springframework.security.oauth2.client.authentication.AuthorizationCodeAuthenticationToken;
 import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationException;
 import org.springframework.security.oauth2.client.authentication.OAuth2ClientAuthenticationToken;
-import org.springframework.security.oauth2.client.authentication.userinfo.OAuth2UserAuthenticationToken;
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
 import org.springframework.security.oauth2.core.OAuth2Error;
@@ -129,8 +128,7 @@ public class AuthorizationCodeAuthenticationFilter extends AbstractAuthenticatio
 		OAuth2ClientAuthenticationToken clientAuthentication =
 			(OAuth2ClientAuthenticationToken)this.getAuthenticationManager().authenticate(authorizationCodeAuthentication);
 
-		return this.getAuthenticationManager().authenticate(
-			new OAuth2UserAuthenticationToken(clientAuthentication));
+		return this.getAuthenticationManager().authenticate(clientAuthentication);
 	}
 
 	public final RequestMatcher getAuthorizationResponseMatcher() {

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/oidc/client/authentication/OidcAuthorizationCodeAuthenticationProvider.java

@@ -79,9 +79,9 @@ public class OidcAuthorizationCodeAuthenticationProvider implements Authenticati
 		// Section 3.1.2.1 Authentication Request - http://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
 		// scope
 		// 		REQUIRED. OpenID Connect requests MUST contain the "openid" scope value.
-		//		If the openid scope value is not present, the behavior is entirely unspecified.
 		if (!authorizationCodeAuthentication.getAuthorizationRequest().getScope().contains(OidcScope.OPENID)) {
-			// Let the standard OAuth 2.0 Authorization Code AuthenticationProvider handle this
+			// This is NOT an OpenID Connect Authentication Request so return null
+			// and let AuthorizationCodeAuthenticationProvider handle it instead
 			return null;
 		}
 

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/oidc/client/authentication/OidcUserAuthenticationToken.java

@@ -17,12 +17,10 @@ package org.springframework.security.oauth2.oidc.client.authentication;
 
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.GrantedAuthority;
-import org.springframework.security.oauth2.client.authentication.OAuth2ClientAuthenticationToken;
 import org.springframework.security.oauth2.client.authentication.userinfo.OAuth2UserAuthenticationToken;
 import org.springframework.security.oauth2.oidc.core.user.OidcUser;
 
 import java.util.Collection;
-import java.util.Collections;
 
 /**
  * An {@link OAuth2UserAuthenticationToken} that represents an
@@ -40,17 +38,9 @@ import java.util.Collections;
  */
 public class OidcUserAuthenticationToken extends OAuth2UserAuthenticationToken {
 
-	public OidcUserAuthenticationToken(OidcClientAuthenticationToken clientAuthentication) {
-		this(null, Collections.emptyList(), clientAuthentication);
-	}
-
 	public OidcUserAuthenticationToken(OidcUser principal, Collection<? extends GrantedAuthority> authorities,
 										OidcClientAuthenticationToken clientAuthentication) {
-		this(principal, authorities, (OAuth2ClientAuthenticationToken)clientAuthentication);
-	}
-
-	public OidcUserAuthenticationToken(OidcUser principal, Collection<? extends GrantedAuthority> authorities,
-										OAuth2ClientAuthenticationToken clientAuthentication) {
 		super(principal, authorities, clientAuthentication);
 	}
+
 }

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/oidc/client/authentication/userinfo/OidcUserAuthenticationProvider.java

@@ -0,0 +1,104 @@
+/*
+ * Copyright 2012-2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.security.oauth2.oidc.client.authentication.userinfo;
+
+import org.springframework.security.authentication.AuthenticationProvider;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.oauth2.client.authentication.userinfo.OAuth2UserService;
+import org.springframework.security.oauth2.core.user.OAuth2User;
+import org.springframework.security.oauth2.oidc.client.authentication.OidcClientAuthenticationToken;
+import org.springframework.security.oauth2.oidc.client.authentication.OidcUserAuthenticationToken;
+import org.springframework.security.oauth2.oidc.core.user.OidcUser;
+import org.springframework.util.Assert;
+
+import java.util.Collection;
+
+/**
+ * An implementation of an {@link AuthenticationProvider} that is responsible
+ * for obtaining the user attributes of the <i>End-User</i> (resource owner)
+ * from the <i>UserInfo Endpoint</i> and creating a <code>Principal</code>
+ * in the form of an {@link OidcUser}.
+ *
+ * <p>
+ * The {@link OidcUserAuthenticationProvider} uses an {@link OidcUserService}
+ * for loading the {@link OidcUser} and then associating it
+ * to the returned {@link OidcUserAuthenticationToken}.
+ *
+ * @author Joe Grandja
+ * @since 5.0
+ * @see OidcUserAuthenticationToken
+ * @see OidcClientAuthenticationToken
+ * @see OidcUserService
+ * @see OidcUser
+ */
+public class OidcUserAuthenticationProvider implements AuthenticationProvider {
+	private final OAuth2UserService userService;
+	private GrantedAuthoritiesMapper authoritiesMapper = (authorities -> authorities);
+
+	public OidcUserAuthenticationProvider(OAuth2UserService userService) {
+		Assert.notNull(userService, "userService cannot be null");
+		this.userService = userService;
+	}
+
+	@Override
+	public Authentication authenticate(Authentication authentication) throws AuthenticationException {
+		OidcClientAuthenticationToken clientAuthentication = (OidcClientAuthenticationToken) authentication;
+
+		if (this.userAuthenticated()) {
+			// Create a new user authentication (using same principal)
+			// but with a different client authentication association
+			OidcUserAuthenticationToken currentUserAuthentication =
+				(OidcUserAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
+
+			return new OidcUserAuthenticationToken(
+				(OidcUser) currentUserAuthentication.getPrincipal(),
+				currentUserAuthentication.getAuthorities(),
+				clientAuthentication);
+		}
+
+		OAuth2User oauth2User = this.userService.loadUser(clientAuthentication);
+
+		Collection<? extends GrantedAuthority> mappedAuthorities =
+				this.authoritiesMapper.mapAuthorities(oauth2User.getAuthorities());
+
+		OidcUserAuthenticationToken authenticationResult = new OidcUserAuthenticationToken(
+				(OidcUser)oauth2User, mappedAuthorities, clientAuthentication);
+		authenticationResult.setDetails(clientAuthentication.getDetails());
+
+		return authenticationResult;
+	}
+
+	@Override
+	public boolean supports(Class<?> authentication) {
+		return OidcClientAuthenticationToken.class.isAssignableFrom(authentication);
+	}
+
+	public final void setAuthoritiesMapper(GrantedAuthoritiesMapper authoritiesMapper) {
+		Assert.notNull(authoritiesMapper, "authoritiesMapper cannot be null");
+		this.authoritiesMapper = authoritiesMapper;
+	}
+
+	private boolean userAuthenticated() {
+		Authentication currentAuthentication = SecurityContextHolder.getContext().getAuthentication();
+		return currentAuthentication != null &&
+			currentAuthentication instanceof OidcUserAuthenticationToken &&
+			currentAuthentication.isAuthenticated();
+	}
+}

oauth2/oauth2-client/src/main/java/org/springframework/security/oauth2/oidc/client/authentication/userinfo/OidcUserService.java

@@ -18,9 +18,9 @@ package org.springframework.security.oauth2.oidc.client.authentication.userinfo;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.oauth2.client.authentication.OAuth2AuthenticationException;
 import org.springframework.security.oauth2.client.authentication.OAuth2ClientAuthenticationToken;
+import org.springframework.security.oauth2.client.authentication.userinfo.NimbusUserInfoRetriever;
 import org.springframework.security.oauth2.client.authentication.userinfo.OAuth2UserService;
 import org.springframework.security.oauth2.client.authentication.userinfo.UserInfoRetriever;
-import org.springframework.security.oauth2.client.authentication.userinfo.NimbusUserInfoRetriever;
 import org.springframework.security.oauth2.core.AuthorizationGrantType;
 import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.security.oauth2.oidc.client.authentication.OidcClientAuthenticationToken;
@@ -58,9 +58,6 @@ public class OidcUserService implements OAuth2UserService {
 
 	@Override
 	public OAuth2User loadUser(OAuth2ClientAuthenticationToken clientAuthentication) throws OAuth2AuthenticationException {
-		if (!OidcClientAuthenticationToken.class.isAssignableFrom(clientAuthentication.getClass())) {
-			return null;
-		}
 		OidcClientAuthenticationToken oidcClientAuthentication = (OidcClientAuthenticationToken)clientAuthentication;
 
 		UserInfo userInfo = null;

samples/boot/oauth2login/src/integration-test/java/org/springframework/security/samples/OAuth2LoginApplicationTests.java

@@ -359,7 +359,6 @@ public class OAuth2LoginApplicationTests {
 			TokenResponse tokenResponse = TokenResponse.withToken("access-token-1234")
 				.tokenType(AccessToken.TokenType.BEARER)
 				.expiresIn(60 * 1000)
-				.scope(Collections.singleton("openid"))
 				.build();
 
 			AuthorizationGrantTokenExchanger mock = mock(AuthorizationGrantTokenExchanger.class);