Update sample to use OpenID Connect and Provider Configuration endpoint

Issue gh-53 gh-55

samples/boot/oauth2-integration/client/src/main/java/sample/config/SecurityConfig.java

@@ -40,10 +40,10 @@ public class SecurityConfig {
 	SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 		http
 			.authorizeRequests(authorizeRequests ->
-				authorizeRequests.anyRequest().permitAll()
+				authorizeRequests.anyRequest().authenticated()
 			)
-			.logout()
-				.disable()
+			.oauth2Login(oauth2Login ->
+				oauth2Login.loginPage("/oauth2/authorization/messaging-client-oidc"))
 			.oauth2Client(withDefaults());
 		return http.build();
 	}

samples/boot/oauth2-integration/client/src/main/resources/application.yml

@@ -16,6 +16,14 @@ spring:
     oauth2:
       client:
         registration:
+          messaging-client-oidc:
+            provider: spring
+            client-id: messaging-client
+            client-secret: secret
+            authorization-grant-type: authorization_code
+            redirect-uri: "{baseUrl}/login/oauth2/code/{registrationId}"
+            scope: openid
+            client-name: messaging-client-oidc
           messaging-client-authorization-code:
             provider: spring
             client-id: messaging-client
@@ -23,16 +31,17 @@ spring:
             authorization-grant-type: authorization_code
             redirect-uri: "{baseUrl}/authorized"
             scope: message.read,message.write
+            client-name: messaging-client-authorization-code
           messaging-client-client-credentials:
             provider: spring
             client-id: messaging-client
             client-secret: secret
             authorization-grant-type: client_credentials
             scope: message.read,message.write
+            client-name: messaging-client-client-credentials
         provider:
           spring:
-            authorization-uri: http://auth-server:9000/oauth2/authorize
-            token-uri: http://auth-server:9000/oauth2/token
+            issuer-uri: http://auth-server:9000
 
 messages:
   base-uri: http://localhost:8090/messages