feat: add shared Keycloak compose baseline

2026-07-25 13:14:58 +09:00
parent 1eeff83d0b
commit f47dea3e24
17 changed files with 532 additions and 1 deletions
@@ -0,0 +1,30 @@
+package com.example.keycloakpattern;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.oauth2.jwt.Jwt;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+public class ApiController {
+
+    @GetMapping("/public")
+    public Map<String, String> publicEndpoint() {
+        return Map.of("status", "ok", "service", "keycloak-pattern-api");
+    }
+
+    @GetMapping("/me")
+    public Map<String, Object> currentUser(@AuthenticationPrincipal Jwt jwt) {
+        Map<String, Object> response = new LinkedHashMap<>();
+        response.put("subject", jwt.getSubject());
+        response.put("username", jwt.getClaimAsString("preferred_username"));
+        response.put("issuer", jwt.getIssuer());
+        response.put("audience", jwt.getAudience());
+        return response;
+    }
+}
@@ -0,0 +1,12 @@
+package com.example.keycloakpattern;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class KeycloakPatternApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(KeycloakPatternApplication.class, args);
+    }
+}
@@ -0,0 +1,27 @@
+package com.example.keycloakpattern;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.web.SecurityFilterChain;
+
+@Configuration
+public class SecurityConfig {
+
+    @Bean
+    SecurityFilterChain apiSecurity(HttpSecurity http) throws Exception {
+        return http
+            .csrf(csrf -> csrf.disable())
+            .sessionManagement(session ->
+                session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
+            .authorizeHttpRequests(authorize -> authorize
+                .requestMatchers("/actuator/health", "/actuator/health/**", "/api/public")
+                .permitAll()
+                .anyRequest()
+                .authenticated())
+            .oauth2ResourceServer(oauth2 -> oauth2.jwt(Customizer.withDefaults()))
+            .build();
+    }
+}