init commit

.gitignore

@@ -1,3 +1,6 @@
+.gradle/
+.idea/
+target/
 # ---> Java
 # Compiled class file
 *.class

README.md

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 # spring-oidc-application
 
 Spring Boot OIDC Client Application
+
+
+> https://www.baeldung.com/spring-security-openid-connect
+
+

build.json

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+{
+    "java": "15",
+    "builder": {
+        "name": "maven",
+        "version": "3.8.4"
+    }
+}

justfile

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+_:
+  @just --list
+
+run:
+  buildj spring-boot:run

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>me.hatter</groupId>
+    <artifactId>spring-oidc-application</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>oidc-example</name>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.4.1</version>
+    </parent>
+
+    <properties>
+        <java.version>15</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-oauth2-client</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-openid</artifactId>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/me/hatter/sample/Application.java

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+package me.hatter.sample;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+
+/**
+ * @see "https://codetinkering.com/spring-security-oauth2-oidc/"
+ * @see "https://github.com/code-tinkering/spring-boot-oauth2-oidc-example"
+ */
+@ComponentScan(basePackages = "me.hatter.sample")
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

src/main/java/me/hatter/sample/SampleController.java

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+package me.hatter.sample;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.oauth2.core.oidc.user.OidcUser;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class SampleController {
+    @GetMapping("/oidc-principal")
+    public OidcUser getOidcUserPrincipal(
+            @AuthenticationPrincipal OidcUser principal) {
+        return principal;
+    }
+
+    @GetMapping("/oidc-principal2")
+    public Object getOidcUserPrincipal2() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if (authentication.getPrincipal() instanceof OidcUser) {
+            OidcUser principal = ((OidcUser) authentication.getPrincipal());
+            return principal;
+        } else {
+            return authentication.getPrincipal();
+        }
+    }
+}

src/main/java/me/hatter/sample/SecurityConfig.java

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+package me.hatter.sample;
+
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@EnableWebSecurity
+public class SecurityConfig extends WebSecurityConfigurerAdapter {
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http// only disable these during testing or for non-browser clients
+//                .cors().disable()
+//                .csrf().disable()
+                .authorizeRequests()
+                .anyRequest().authenticated()
+                .and()
+                .oauth2Login().loginPage("/oauth2/authorization/google");
+    }
+}

src/main/resources/application.properties

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+application.name=SpringBoot Sample
+application.version=0.0.1
+application.title=This is SpringBoot sample application
+spring.mvc.throw-exception-if-no-handler-found=true
+spring.resources.add-mappings=false
+
+spring.security.oauth2.client.registration.google.client-id=test
+spring.security.oauth2.client.registration.google.client-secret=test