Add temporary OAuth2ErrorCodes2

Issue https://github.com/spring-projects/spring-security/issues/9184

oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/core/OAuth2ErrorCodes2.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 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
+ *
+ *      https://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.core;
+
+/**
+ * TODO
+ * This class is temporary and will be removed after upgrading to Spring Security 5.5.0 GA.
+ *
+ * @author Joe Grandja
+ * @since 0.0.3
+ * @see <a target="_blank" href="https://github.com/spring-projects/spring-security/issues/9184">Issue gh-9184</a>
+ */
+public interface OAuth2ErrorCodes2 extends OAuth2ErrorCodes {
+
+	String UNSUPPORTED_TOKEN_TYPE = "unsupported_token_type";
+
+}

oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/authentication/OAuth2TokenRevocationAuthenticationProvider.java

@@ -22,6 +22,7 @@ import org.springframework.security.oauth2.core.AbstractOAuth2Token;
 import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
 import org.springframework.security.oauth2.core.OAuth2Error;
 import org.springframework.security.oauth2.core.OAuth2ErrorCodes;
+import org.springframework.security.oauth2.core.OAuth2ErrorCodes2;
 import org.springframework.security.oauth2.server.authorization.OAuth2Authorization;
 import org.springframework.security.oauth2.server.authorization.OAuth2AuthorizationService;
 import org.springframework.security.oauth2.server.authorization.TokenType;
@@ -71,7 +72,7 @@ public class OAuth2TokenRevocationAuthenticationProvider implements Authenticati
 			} else if (TokenType.ACCESS_TOKEN.getValue().equals(tokenTypeHint)) {
 				tokenType = TokenType.ACCESS_TOKEN;
 			} else {
-				throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes.UNSUPPORTED_TOKEN_TYPE));
+				throw new OAuth2AuthenticationException(new OAuth2Error(OAuth2ErrorCodes2.UNSUPPORTED_TOKEN_TYPE));
 			}
 		}
 

oauth2-authorization-server/src/test/java/org/springframework/security/oauth2/server/authorization/authentication/OAuth2TokenRevocationAuthenticationProviderTests.java

@@ -22,6 +22,7 @@ import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.oauth2.core.OAuth2AccessToken;
 import org.springframework.security.oauth2.core.OAuth2AuthenticationException;
 import org.springframework.security.oauth2.core.OAuth2ErrorCodes;
+import org.springframework.security.oauth2.core.OAuth2ErrorCodes2;
 import org.springframework.security.oauth2.core.OAuth2RefreshToken;
 import org.springframework.security.oauth2.server.authorization.OAuth2Authorization;
 import org.springframework.security.oauth2.server.authorization.OAuth2AuthorizationService;
@@ -100,12 +101,12 @@ public class OAuth2TokenRevocationAuthenticationProviderTests {
 		RegisteredClient registeredClient = TestRegisteredClients.registeredClient().build();
 		OAuth2ClientAuthenticationToken clientPrincipal = new OAuth2ClientAuthenticationToken(registeredClient);
 		OAuth2TokenRevocationAuthenticationToken authentication = new OAuth2TokenRevocationAuthenticationToken(
-				"token", clientPrincipal, OAuth2ErrorCodes.UNSUPPORTED_TOKEN_TYPE);
+				"token", clientPrincipal, OAuth2ErrorCodes2.UNSUPPORTED_TOKEN_TYPE);
 		assertThatThrownBy(() -> this.authenticationProvider.authenticate(authentication))
 				.isInstanceOf(OAuth2AuthenticationException.class)
 				.extracting(ex -> ((OAuth2AuthenticationException) ex).getError())
 				.extracting("errorCode")
-				.isEqualTo(OAuth2ErrorCodes.UNSUPPORTED_TOKEN_TYPE);
+				.isEqualTo(OAuth2ErrorCodes2.UNSUPPORTED_TOKEN_TYPE);
 	}
 
 	@Test