Add Resource Server Sample

Author: Sauli Ketola

samples/resource-server-sample/build.gradle

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+plugins {
+	id 'org.springframework.boot' version '2.2.2.RELEASE'
+	id 'io.spring.dependency-management' version '1.0.8.RELEASE'
+	id 'java'
+}
+
+group = 'sample'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '1.8'
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.security:spring-security-oauth2-resource-server:5.3.1.RELEASE'
+	implementation 'org.springframework.security:spring-security-oauth2-jose:5.3.1.RELEASE'
+	implementation 'org.springframework.security:spring-security-config:5.3.1.RELEASE'
+	
+	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+	}
+}
+
+test {
+	useJUnitPlatform()
+}

samples/resource-server-sample/settings.gradle

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+rootProject.name = 'resource-server-sample'
+

samples/resource-server-sample/src/main/java/sample/ResourceServerApplication.java

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+/*
+ * Copyright 2020 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package sample;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * @author Sauli Ketola
+ */
+@SpringBootApplication
+public class ResourceServerApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(ResourceServerApplication.class, args);
+	}
+
+}

samples/resource-server-sample/src/main/java/sample/SampleResource.java

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+/*
+ * Copyright 2020 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package sample;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class SampleResource {
+
+	@GetMapping("/")
+	public String getSample() {
+		return "sample";
+	}
+
+}

samples/resource-server-sample/src/main/resources/application.yaml

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+# See https://docs.spring.io/spring-security/site/docs/current/reference/html5/#oauth2resourceserver 
+# for more configuration options
+spring:
+  security:
+    oauth2:
+      resourceserver:
+        jwt:
+          issuer-uri:  https://accounts.google.com

samples/resource-server-sample/src/test/java/sample/SampleResourceTest.java

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+/*
+ * Copyright 2020 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package sample;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+public class SampleResourceTest {
+
+	@Autowired
+	private MockMvc mockMvc;
+
+	@Test
+	public void shouldReturnUnauthorized() throws Exception {
+		this.mockMvc.perform(get("/").header("Authorization", "Bearer TOKEN")).andDo(print())
+				.andExpect(status().isUnauthorized());
+	}
+
+}