spring-authorization-server/oauth2-authorization-server/src/test/java/org/springframework/security/oauth2/server/authorization/web/OAuth2TokenEndpointFilterTe...
2021-02-11 10:42:26 -05:00

472 lines
23 KiB
Java

/*
* Copyright 2020-2021 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.server.authorization.web;
import java.time.Duration;
import java.time.Instant;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import javax.servlet.FilterChain;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.springframework.http.HttpStatus;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.mock.http.client.MockClientHttpResponse;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.security.oauth2.core.OAuth2AccessToken;
import org.springframework.security.oauth2.core.OAuth2Error;
import org.springframework.security.oauth2.core.OAuth2ErrorCodes;
import org.springframework.security.oauth2.core.OAuth2RefreshToken;
import org.springframework.security.oauth2.core.OAuth2RefreshToken2;
import org.springframework.security.oauth2.core.endpoint.OAuth2AccessTokenResponse;
import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
import org.springframework.security.oauth2.core.http.converter.OAuth2AccessTokenResponseHttpMessageConverter;
import org.springframework.security.oauth2.core.http.converter.OAuth2ErrorHttpMessageConverter;
import org.springframework.security.oauth2.server.authorization.authentication.OAuth2AccessTokenAuthenticationToken;
import org.springframework.security.oauth2.server.authorization.authentication.OAuth2AuthorizationCodeAuthenticationToken;
import org.springframework.security.oauth2.server.authorization.authentication.OAuth2ClientAuthenticationToken;
import org.springframework.security.oauth2.server.authorization.authentication.OAuth2ClientCredentialsAuthenticationToken;
import org.springframework.security.oauth2.server.authorization.authentication.OAuth2RefreshTokenAuthenticationToken;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClient;
import org.springframework.security.oauth2.server.authorization.client.TestRegisteredClients;
import org.springframework.util.StringUtils;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.assertj.core.api.Assertions.entry;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoInteractions;
import static org.mockito.Mockito.when;
/**
* Tests for {@link OAuth2TokenEndpointFilter}.
*
* @author Madhu Bhat
* @author Joe Grandja
* @author Daniel Garnier-Moiroux
*/
public class OAuth2TokenEndpointFilterTests {
private AuthenticationManager authenticationManager;
private OAuth2TokenEndpointFilter filter;
private final HttpMessageConverter<OAuth2Error> errorHttpResponseConverter =
new OAuth2ErrorHttpMessageConverter();
private final HttpMessageConverter<OAuth2AccessTokenResponse> accessTokenHttpResponseConverter =
new OAuth2AccessTokenResponseHttpMessageConverter();
@Before
public void setUp() {
this.authenticationManager = mock(AuthenticationManager.class);
this.filter = new OAuth2TokenEndpointFilter(this.authenticationManager);
}
@After
public void cleanup() {
SecurityContextHolder.clearContext();
}
@Test
public void constructorWhenAuthenticationManagerNullThenThrowIllegalArgumentException() {
assertThatThrownBy(() -> new OAuth2TokenEndpointFilter(null, "tokenEndpointUri"))
.isInstanceOf(IllegalArgumentException.class)
.hasMessage("authenticationManager cannot be null");
}
@Test
public void constructorWhenTokenEndpointUriNullThenThrowIllegalArgumentException() {
assertThatThrownBy(() -> new OAuth2TokenEndpointFilter(this.authenticationManager, null))
.isInstanceOf(IllegalArgumentException.class)
.hasMessage("tokenEndpointUri cannot be empty");
}
@Test
public void doFilterWhenNotTokenRequestThenNotProcessed() throws Exception {
String requestUri = "/path";
MockHttpServletRequest request = new MockHttpServletRequest("POST", requestUri);
request.setServletPath(requestUri);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verify(filterChain).doFilter(any(HttpServletRequest.class), any(HttpServletResponse.class));
}
@Test
public void doFilterWhenTokenRequestGetThenNotProcessed() throws Exception {
String requestUri = OAuth2TokenEndpointFilter.DEFAULT_TOKEN_ENDPOINT_URI;
MockHttpServletRequest request = new MockHttpServletRequest("GET", requestUri);
request.setServletPath(requestUri);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verify(filterChain).doFilter(any(HttpServletRequest.class), any(HttpServletResponse.class));
}
@Test
public void doFilterWhenTokenRequestMissingGrantTypeThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(
TestRegisteredClients.registeredClient().build());
request.removeParameter(OAuth2ParameterNames.GRANT_TYPE);
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.GRANT_TYPE, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenTokenRequestMultipleGrantTypeThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(
TestRegisteredClients.registeredClient().build());
request.addParameter(OAuth2ParameterNames.GRANT_TYPE, AuthorizationGrantType.AUTHORIZATION_CODE.getValue());
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.GRANT_TYPE, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenTokenRequestInvalidGrantTypeThenUnsupportedGrantTypeError() throws Exception {
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(
TestRegisteredClients.registeredClient().build());
request.setParameter(OAuth2ParameterNames.GRANT_TYPE, "invalid-grant-type");
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.GRANT_TYPE, OAuth2ErrorCodes.UNSUPPORTED_GRANT_TYPE, request);
}
@Test
public void doFilterWhenTokenRequestMissingCodeThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(
TestRegisteredClients.registeredClient().build());
request.removeParameter(OAuth2ParameterNames.CODE);
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.CODE, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenTokenRequestMultipleCodeThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(
TestRegisteredClients.registeredClient().build());
request.addParameter(OAuth2ParameterNames.CODE, "code-2");
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.CODE, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenTokenRequestMultipleRedirectUriThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(
TestRegisteredClients.registeredClient().build());
request.addParameter(OAuth2ParameterNames.REDIRECT_URI, "https://example2.com");
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.REDIRECT_URI, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenAuthorizationCodeTokenRequestThenAccessTokenResponse() throws Exception {
RegisteredClient registeredClient = TestRegisteredClients.registeredClient().build();
Authentication clientPrincipal = new OAuth2ClientAuthenticationToken(registeredClient);
OAuth2AccessToken accessToken = new OAuth2AccessToken(
OAuth2AccessToken.TokenType.BEARER, "token",
Instant.now(), Instant.now().plus(Duration.ofHours(1)),
new HashSet<>(Arrays.asList("scope1", "scope2")));
OAuth2RefreshToken refreshToken = new OAuth2RefreshToken2(
"refresh-token", Instant.now(), Instant.now().plus(Duration.ofDays(1)));
Map<String, Object> additionalParameters = Collections.singletonMap("custom-param", "custom-value");
OAuth2AccessTokenAuthenticationToken accessTokenAuthentication =
new OAuth2AccessTokenAuthenticationToken(
registeredClient, clientPrincipal, accessToken, refreshToken, additionalParameters);
when(this.authenticationManager.authenticate(any())).thenReturn(accessTokenAuthentication);
SecurityContext securityContext = SecurityContextHolder.createEmptyContext();
securityContext.setAuthentication(clientPrincipal);
SecurityContextHolder.setContext(securityContext);
MockHttpServletRequest request = createAuthorizationCodeTokenRequest(registeredClient);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verifyNoInteractions(filterChain);
ArgumentCaptor<OAuth2AuthorizationCodeAuthenticationToken> authorizationCodeAuthenticationCaptor =
ArgumentCaptor.forClass(OAuth2AuthorizationCodeAuthenticationToken.class);
verify(this.authenticationManager).authenticate(authorizationCodeAuthenticationCaptor.capture());
OAuth2AuthorizationCodeAuthenticationToken authorizationCodeAuthentication =
authorizationCodeAuthenticationCaptor.getValue();
assertThat(authorizationCodeAuthentication.getCode()).isEqualTo(
request.getParameter(OAuth2ParameterNames.CODE));
assertThat(authorizationCodeAuthentication.getPrincipal()).isEqualTo(clientPrincipal);
assertThat(authorizationCodeAuthentication.getRedirectUri()).isEqualTo(
request.getParameter(OAuth2ParameterNames.REDIRECT_URI));
assertThat(authorizationCodeAuthentication.getAdditionalParameters())
.containsExactly(entry("custom-param-1", "custom-value-1"));
assertThat(response.getStatus()).isEqualTo(HttpStatus.OK.value());
OAuth2AccessTokenResponse accessTokenResponse = readAccessTokenResponse(response);
OAuth2AccessToken accessTokenResult = accessTokenResponse.getAccessToken();
assertThat(accessTokenResult.getTokenType()).isEqualTo(accessToken.getTokenType());
assertThat(accessTokenResult.getTokenValue()).isEqualTo(accessToken.getTokenValue());
assertThat(accessTokenResult.getIssuedAt()).isBetween(
accessToken.getIssuedAt().minusSeconds(1), accessToken.getIssuedAt().plusSeconds(1));
assertThat(accessTokenResult.getExpiresAt()).isBetween(
accessToken.getExpiresAt().minusSeconds(1), accessToken.getExpiresAt().plusSeconds(1));
assertThat(accessTokenResult.getScopes()).isEqualTo(accessToken.getScopes());
assertThat(accessTokenResponse.getRefreshToken().getTokenValue()).isEqualTo(refreshToken.getTokenValue());
assertThat(accessTokenResponse.getAdditionalParameters()).containsExactly(entry("custom-param", "custom-value"));
}
@Test
public void doFilterWhenClientCredentialsTokenRequestMultipleScopeThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createClientCredentialsTokenRequest(
TestRegisteredClients.registeredClient2().build());
request.addParameter(OAuth2ParameterNames.SCOPE, "profile");
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.SCOPE, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenClientCredentialsTokenRequestThenAccessTokenResponse() throws Exception {
RegisteredClient registeredClient = TestRegisteredClients.registeredClient2().build();
Authentication clientPrincipal = new OAuth2ClientAuthenticationToken(registeredClient);
OAuth2AccessToken accessToken = new OAuth2AccessToken(
OAuth2AccessToken.TokenType.BEARER, "token",
Instant.now(), Instant.now().plus(Duration.ofHours(1)),
new HashSet<>(Arrays.asList("scope1", "scope2")));
OAuth2AccessTokenAuthenticationToken accessTokenAuthentication =
new OAuth2AccessTokenAuthenticationToken(
registeredClient, clientPrincipal, accessToken);
when(this.authenticationManager.authenticate(any())).thenReturn(accessTokenAuthentication);
SecurityContext securityContext = SecurityContextHolder.createEmptyContext();
securityContext.setAuthentication(clientPrincipal);
SecurityContextHolder.setContext(securityContext);
MockHttpServletRequest request = createClientCredentialsTokenRequest(registeredClient);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verifyNoInteractions(filterChain);
ArgumentCaptor<OAuth2ClientCredentialsAuthenticationToken> clientCredentialsAuthenticationCaptor =
ArgumentCaptor.forClass(OAuth2ClientCredentialsAuthenticationToken.class);
verify(this.authenticationManager).authenticate(clientCredentialsAuthenticationCaptor.capture());
OAuth2ClientCredentialsAuthenticationToken clientCredentialsAuthentication =
clientCredentialsAuthenticationCaptor.getValue();
assertThat(clientCredentialsAuthentication.getPrincipal()).isEqualTo(clientPrincipal);
assertThat(clientCredentialsAuthentication.getScopes()).isEqualTo(registeredClient.getScopes());
assertThat(clientCredentialsAuthentication.getAdditionalParameters())
.containsExactly(entry("custom-param-1", "custom-value-1"));
assertThat(response.getStatus()).isEqualTo(HttpStatus.OK.value());
OAuth2AccessTokenResponse accessTokenResponse = readAccessTokenResponse(response);
OAuth2AccessToken accessTokenResult = accessTokenResponse.getAccessToken();
assertThat(accessTokenResult.getTokenType()).isEqualTo(accessToken.getTokenType());
assertThat(accessTokenResult.getTokenValue()).isEqualTo(accessToken.getTokenValue());
assertThat(accessTokenResult.getIssuedAt()).isBetween(
accessToken.getIssuedAt().minusSeconds(1), accessToken.getIssuedAt().plusSeconds(1));
assertThat(accessTokenResult.getExpiresAt()).isBetween(
accessToken.getExpiresAt().minusSeconds(1), accessToken.getExpiresAt().plusSeconds(1));
assertThat(accessTokenResult.getScopes()).isEqualTo(accessToken.getScopes());
}
@Test
public void doFilterWhenRefreshTokenRequestMissingRefreshTokenThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createRefreshTokenTokenRequest(
TestRegisteredClients.registeredClient().build());
request.removeParameter(OAuth2ParameterNames.REFRESH_TOKEN);
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.REFRESH_TOKEN, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenRefreshTokenRequestMultipleRefreshTokenThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createRefreshTokenTokenRequest(
TestRegisteredClients.registeredClient().build());
request.addParameter(OAuth2ParameterNames.REFRESH_TOKEN, "refresh-token-2");
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.REFRESH_TOKEN, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenRefreshTokenRequestMultipleScopeThenInvalidRequestError() throws Exception {
MockHttpServletRequest request = createRefreshTokenTokenRequest(
TestRegisteredClients.registeredClient().build());
request.addParameter(OAuth2ParameterNames.SCOPE, "profile");
doFilterWhenTokenRequestInvalidParameterThenError(
OAuth2ParameterNames.SCOPE, OAuth2ErrorCodes.INVALID_REQUEST, request);
}
@Test
public void doFilterWhenRefreshTokenRequestThenAccessTokenResponse() throws Exception {
RegisteredClient registeredClient = TestRegisteredClients.registeredClient().build();
Authentication clientPrincipal = new OAuth2ClientAuthenticationToken(registeredClient);
OAuth2AccessToken accessToken = new OAuth2AccessToken(
OAuth2AccessToken.TokenType.BEARER, "token",
Instant.now(), Instant.now().plus(Duration.ofHours(1)),
new HashSet<>(Arrays.asList("scope1", "scope2")));
OAuth2RefreshToken refreshToken = new OAuth2RefreshToken("refresh-token", Instant.now());
OAuth2AccessTokenAuthenticationToken accessTokenAuthentication =
new OAuth2AccessTokenAuthenticationToken(
registeredClient, clientPrincipal, accessToken, refreshToken);
when(this.authenticationManager.authenticate(any())).thenReturn(accessTokenAuthentication);
SecurityContext securityContext = SecurityContextHolder.createEmptyContext();
securityContext.setAuthentication(clientPrincipal);
SecurityContextHolder.setContext(securityContext);
MockHttpServletRequest request = createRefreshTokenTokenRequest(registeredClient);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verifyNoInteractions(filterChain);
ArgumentCaptor<OAuth2RefreshTokenAuthenticationToken> refreshTokenAuthenticationCaptor =
ArgumentCaptor.forClass(OAuth2RefreshTokenAuthenticationToken.class);
verify(this.authenticationManager).authenticate(refreshTokenAuthenticationCaptor.capture());
OAuth2RefreshTokenAuthenticationToken refreshTokenAuthenticationToken =
refreshTokenAuthenticationCaptor.getValue();
assertThat(refreshTokenAuthenticationToken.getRefreshToken()).isEqualTo(refreshToken.getTokenValue());
assertThat(refreshTokenAuthenticationToken.getPrincipal()).isEqualTo(clientPrincipal);
assertThat(refreshTokenAuthenticationToken.getScopes()).isEqualTo(registeredClient.getScopes());
assertThat(refreshTokenAuthenticationToken.getAdditionalParameters())
.containsExactly(entry("custom-param-1", "custom-value-1"));
assertThat(response.getStatus()).isEqualTo(HttpStatus.OK.value());
OAuth2AccessTokenResponse accessTokenResponse = readAccessTokenResponse(response);
OAuth2AccessToken accessTokenResult = accessTokenResponse.getAccessToken();
assertThat(accessTokenResult.getTokenType()).isEqualTo(accessToken.getTokenType());
assertThat(accessTokenResult.getTokenValue()).isEqualTo(accessToken.getTokenValue());
assertThat(accessTokenResult.getIssuedAt()).isBetween(
accessToken.getIssuedAt().minusSeconds(1), accessToken.getIssuedAt().plusSeconds(1));
assertThat(accessTokenResult.getExpiresAt()).isBetween(
accessToken.getExpiresAt().minusSeconds(1), accessToken.getExpiresAt().plusSeconds(1));
assertThat(accessTokenResult.getScopes()).isEqualTo(accessToken.getScopes());
OAuth2RefreshToken refreshTokenResult = accessTokenResponse.getRefreshToken();
assertThat(refreshTokenResult.getTokenValue()).isEqualTo(refreshToken.getTokenValue());
}
private void doFilterWhenTokenRequestInvalidParameterThenError(String parameterName, String errorCode,
MockHttpServletRequest request) throws Exception {
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verifyNoInteractions(filterChain);
assertThat(response.getStatus()).isEqualTo(HttpStatus.BAD_REQUEST.value());
OAuth2Error error = readError(response);
assertThat(error.getErrorCode()).isEqualTo(errorCode);
assertThat(error.getDescription()).isEqualTo("OAuth 2.0 Parameter: " + parameterName);
}
private OAuth2Error readError(MockHttpServletResponse response) throws Exception {
MockClientHttpResponse httpResponse = new MockClientHttpResponse(
response.getContentAsByteArray(), HttpStatus.valueOf(response.getStatus()));
return this.errorHttpResponseConverter.read(OAuth2Error.class, httpResponse);
}
private OAuth2AccessTokenResponse readAccessTokenResponse(MockHttpServletResponse response) throws Exception {
MockClientHttpResponse httpResponse = new MockClientHttpResponse(
response.getContentAsByteArray(), HttpStatus.valueOf(response.getStatus()));
return this.accessTokenHttpResponseConverter.read(OAuth2AccessTokenResponse.class, httpResponse);
}
private static MockHttpServletRequest createAuthorizationCodeTokenRequest(RegisteredClient registeredClient) {
String[] redirectUris = registeredClient.getRedirectUris().toArray(new String[0]);
String requestUri = OAuth2TokenEndpointFilter.DEFAULT_TOKEN_ENDPOINT_URI;
MockHttpServletRequest request = new MockHttpServletRequest("POST", requestUri);
request.setServletPath(requestUri);
request.addParameter(OAuth2ParameterNames.GRANT_TYPE, AuthorizationGrantType.AUTHORIZATION_CODE.getValue());
request.addParameter(OAuth2ParameterNames.CODE, "code");
request.addParameter(OAuth2ParameterNames.REDIRECT_URI, redirectUris[0]);
// The client does not need to send the client ID param, but we are resilient in case they do
request.addParameter(OAuth2ParameterNames.CLIENT_ID, registeredClient.getClientId());
request.addParameter("custom-param-1", "custom-value-1");
return request;
}
private static MockHttpServletRequest createClientCredentialsTokenRequest(RegisteredClient registeredClient) {
String requestUri = OAuth2TokenEndpointFilter.DEFAULT_TOKEN_ENDPOINT_URI;
MockHttpServletRequest request = new MockHttpServletRequest("POST", requestUri);
request.setServletPath(requestUri);
request.addParameter(OAuth2ParameterNames.GRANT_TYPE, AuthorizationGrantType.CLIENT_CREDENTIALS.getValue());
request.addParameter(OAuth2ParameterNames.SCOPE,
StringUtils.collectionToDelimitedString(registeredClient.getScopes(), " "));
request.addParameter("custom-param-1", "custom-value-1");
return request;
}
private static MockHttpServletRequest createRefreshTokenTokenRequest(RegisteredClient registeredClient) {
String requestUri = OAuth2TokenEndpointFilter.DEFAULT_TOKEN_ENDPOINT_URI;
MockHttpServletRequest request = new MockHttpServletRequest("POST", requestUri);
request.setServletPath(requestUri);
request.addParameter(OAuth2ParameterNames.GRANT_TYPE, AuthorizationGrantType.REFRESH_TOKEN.getValue());
request.addParameter(OAuth2ParameterNames.REFRESH_TOKEN, "refresh-token");
request.addParameter(OAuth2ParameterNames.SCOPE,
StringUtils.collectionToDelimitedString(registeredClient.getScopes(), " "));
request.addParameter("custom-param-1", "custom-value-1");
return request;
}
}