以下の問題の暫定対応:

spring-projects/spring-security#9494
yukihane · May 5, 2021 · bbe79f9 · bbe79f9
1 parent 0274a3c
commit bbe79f9
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/...ebapp/src/main/java/com/github/yukihane/samplelinewebapp/SampleLineWebappApplication.java b/...ebapp/src/main/java/com/github/yukihane/samplelinewebapp/SampleLineWebappApplication.java
@@ -2,6 +2,11 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.oauth2.client.oidc.authentication.OidcIdTokenDecoderFactory;
+import org.springframework.security.oauth2.client.registration.ClientRegistration;
+import org.springframework.security.oauth2.jose.jws.MacAlgorithm;
+import org.springframework.security.oauth2.jwt.JwtDecoderFactory;
 
 @SpringBootApplication
 public class SampleLineWebappApplication {
@@ -10,4 +15,10 @@ public static void main(final String[] args) {
         SpringApplication.run(SampleLineWebappApplication.class, args);
     }
 
+    @Bean
+    public JwtDecoderFactory<ClientRegistration> idTokenDecoderFactory() {
+        final OidcIdTokenDecoderFactory idTokenDecoderFactory = new OidcIdTokenDecoderFactory();
+        idTokenDecoderFactory.setJwsAlgorithmResolver(clientRegistration -> MacAlgorithm.HS256);
+        return idTokenDecoderFactory;
+    }
 }