Provide access token to refresh token generator

Closes gh-2131

Signed-off-by: felipe.malaquias <felipe.malaquias@idealo.de>

oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/authentication/OAuth2RefreshTokenAuthenticationProvider.java

@@ -215,7 +215,10 @@ public final class OAuth2RefreshTokenAuthenticationProvider implements Authentic
 		// ----- Refresh token -----
 		OAuth2RefreshToken currentRefreshToken = refreshToken.getToken();
 		if (!registeredClient.getTokenSettings().isReuseRefreshTokens()) {
-			tokenContext = tokenContextBuilder.tokenType(OAuth2TokenType.REFRESH_TOKEN).build();
+			tokenContext = tokenContextBuilder
+					.tokenType(OAuth2TokenType.REFRESH_TOKEN)
+					.authorization(authorizationBuilder.build()) // allows refresh token to retrieve access token
+					.build();
 			OAuth2Token generatedRefreshToken = this.tokenGenerator.generate(tokenContext);
 			if (!(generatedRefreshToken instanceof OAuth2RefreshToken)) {
 				OAuth2Error error = new OAuth2Error(OAuth2ErrorCodes.SERVER_ERROR,
@@ -253,8 +256,8 @@ public final class OAuth2RefreshTokenAuthenticationProvider implements Authentic
 
 			idToken = new OidcIdToken(generatedIdToken.getTokenValue(), generatedIdToken.getIssuedAt(),
 					generatedIdToken.getExpiresAt(), ((Jwt) generatedIdToken).getClaims());
-			authorizationBuilder.token(idToken,
-					(metadata) -> metadata.put(OAuth2Authorization.Token.CLAIMS_METADATA_NAME, idToken.getClaims()));
+			authorizationBuilder.token(idToken, metadata ->
+					metadata.put(OAuth2Authorization.Token.CLAIMS_METADATA_NAME, idToken.getClaims()));
 		}
 		else {
 			idToken = null;

oauth2-authorization-server/src/test/java/org/springframework/security/oauth2/server/authorization/authentication/OAuth2RefreshTokenAuthenticationProviderTests.java

@@ -22,6 +22,7 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
@@ -328,6 +329,14 @@ public class OAuth2RefreshTokenAuthenticationProviderTests {
 		OAuth2AccessTokenAuthenticationToken accessTokenAuthentication = (OAuth2AccessTokenAuthenticationToken) this.authenticationProvider
 			.authenticate(authentication);
 
+		ArgumentCaptor<OAuth2TokenContext> oAuth2TokenContextCaptor = ArgumentCaptor.forClass(OAuth2TokenContext.class);
+		verify(this.tokenGenerator, times(2)).generate(oAuth2TokenContextCaptor.capture());
+		// tokenGenerator is first invoked for generating a new access token and then for generating the refresh token for this access token
+		List<OAuth2TokenContext> tokenContexts = oAuth2TokenContextCaptor.getAllValues();
+		assertThat(tokenContexts).hasSize(2);
+		assertThat(tokenContexts.get(0).getAuthorization().getAccessToken().getToken().getTokenValue()).isEqualTo("access-token");
+		assertThat(tokenContexts.get(1).getAuthorization().getAccessToken().getToken().getTokenValue()).isEqualTo("refreshed-access-token");
+
 		ArgumentCaptor<OAuth2Authorization> authorizationCaptor = ArgumentCaptor.forClass(OAuth2Authorization.class);
 		verify(this.authorizationService).save(authorizationCaptor.capture());
 		OAuth2Authorization updatedAuthorization = authorizationCaptor.getValue();