Add ":servlet:spring-boot:java:oauth2:resource-server:multi-tenancy"

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/integTest/java/example/OAuth2ResourceServerApplicationITests.java

@@ -0,0 +1,170 @@
+/*
+ * 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 example;
+
+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.http.HttpHeaders;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.RequestPostProcessor;
+
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+import static org.hamcrest.Matchers.containsString;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.header;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * Integration tests for {@link OAuth2ResourceServerApplication}.
+ *
+ * @author Josh Cummings
+ */
+@SpringBootTest
+@AutoConfigureMockMvc
+@ActiveProfiles("test")
+public class OAuth2ResourceServerApplicationITests {
+
+	String tenantOneNoScopesToken = "eyJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJzdWJqZWN0IiwiZXhwIjo0NjgzODA1MTI4fQ.ULEPdHG-MK5GlrTQMhgqcyug2brTIZaJIrahUeq9zaiwUSdW83fJ7W1IDd2Z3n4a25JY2uhEcoV95lMfccHR6y_2DLrNvfta22SumY9PEDF2pido54LXG6edIGgarnUbJdR4rpRe_5oRGVa8gDx8FnuZsNv6StSZHAzw5OsuevSTJ1UbJm4UfX3wiahFOQ2OI6G-r5TB2rQNdiPHuNyzG5yznUqRIZ7-GCoMqHMaC-1epKxiX8gYXRROuUYTtcMNa86wh7OVDmvwVmFioRcR58UWBRoO1XQexTtOQq_t8KYsrPZhb9gkyW8x2bAQF-d0J0EJY8JslaH6n4RBaZISww";
+
+	String tenantOneMessageReadToken = "eyJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJzdWJqZWN0Iiwic2NvcGUiOiJtZXNzYWdlOnJlYWQiLCJleHAiOjQ2ODM4MDUxNDF9.h-j6FKRFdnTdmAueTZCdep45e6DPwqM68ZQ8doIJ1exi9YxAlbWzOwId6Bd0L5YmCmp63gGQgsBUBLzwnZQ8kLUgUOBEC3UzSWGRqMskCY9_k9pX0iomX6IfF3N0PaYs0WPC4hO1s8wfZQ-6hKQ4KigFi13G9LMLdH58PRMK0pKEvs3gCbHJuEPw-K5ORlpdnleUTQIwINafU57cmK3KocTeknPAM_L716sCuSYGvDl6xUTXO7oPdrXhS_EhxLP6KxrpI1uD4Ea_5OWTh7S0Wx5LLDfU6wBG1DowN20d374zepOIEkR-Jnmr_QlR44vmRqS5ncrF-1R0EGcPX49U6A";
+
+	String tenantTwoNoScopesToken = "00ed5855-1869-47a0-b0c9-0f3ce520aee7";
+
+	String tenantTwoMessageReadToken = "b43d1500-c405-4dc9-b9c9-6cfd966c34c9";
+
+	@Autowired
+	MockMvc mvc;
+
+	@Test
+	void tenantOnePerformWhenValidBearerTokenThenAllows()
+		throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantOne").with(bearerToken(this.tenantOneNoScopesToken)))
+				.andExpect(status().isOk())
+				.andExpect(content().string(containsString("Hello, subject for tenantOne!")));
+		// @formatter:on
+	}
+
+	@Test
+	void tenantOnePerformWhenValidBearerTokenWithServletPathThenAllows()
+		throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantOne").servletPath("/tenantOne").with(bearerToken(this.tenantOneNoScopesToken)))
+				.andExpect(status().isOk())
+				.andExpect(content().string(containsString("Hello, subject for tenantOne!")));
+		// @formatter:on
+	}
+
+	// -- tests with scopes
+
+	@Test
+	void tenantOnePerformWhenValidBearerTokenThenScopedRequestsAlsoWork()
+			throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantOne/message").with(bearerToken(this.tenantOneMessageReadToken)))
+				.andExpect(status().isOk())
+				.andExpect(content().string(containsString("secret message for tenantOne")));
+		// @formatter:on
+	}
+
+	@Test
+	void tenantOnePerformWhenInsufficientlyScopedBearerTokenThenDeniesScopedMethodAccess()
+			throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantOne/message").with(bearerToken(this.tenantOneNoScopesToken)))
+				.andExpect(status().isForbidden())
+				.andExpect(header().string(HttpHeaders.WWW_AUTHENTICATE,
+						containsString("Bearer error=\"insufficient_scope\"")));
+		// @formatter:on
+	}
+
+	@Test
+	void tenantTwoPerformWhenValidBearerTokenThenAllows()
+			throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantTwo").with(bearerToken(this.tenantTwoNoScopesToken)))
+				.andExpect(status().isOk())
+				.andExpect(content().string(containsString("Hello, subject for tenantTwo!")));
+		// @formatter:on
+	}
+
+	// -- tests with scopes
+
+	@Test
+	void tenantTwoPerformWhenValidBearerTokenThenScopedRequestsAlsoWork()
+			throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantTwo/message").with(bearerToken(this.tenantTwoMessageReadToken)))
+				.andExpect(status().isOk())
+				.andExpect(content().string(containsString("secret message for tenantTwo")));
+		// @formatter:on
+	}
+
+	@Test
+	void tenantTwoPerformWhenInsufficientlyScopedBearerTokenThenDeniesScopedMethodAccess()
+			throws Exception {
+
+		// @formatter:off
+		this.mvc.perform(get("/tenantTwo/message").with(bearerToken(this.tenantTwoNoScopesToken)))
+				.andExpect(status().isForbidden())
+				.andExpect(header().string(HttpHeaders.WWW_AUTHENTICATE,
+						containsString("Bearer error=\"insufficient_scope\"")));
+		// @formatter:on
+	}
+
+	@Test
+	void invalidTenantPerformWhenValidBearerTokenThenThrowsException()
+			throws Exception {
+
+		// @formatter:off
+		assertThatIllegalArgumentException()
+				.isThrownBy(() ->
+						this.mvc.perform(get("/tenantThree")
+								.with(bearerToken(this.tenantOneNoScopesToken)))
+				);
+		// @formatter:on
+	}
+
+	private static BearerTokenRequestPostProcessor bearerToken(String token) {
+		return new BearerTokenRequestPostProcessor(token);
+	}
+
+	private static class BearerTokenRequestPostProcessor implements RequestPostProcessor {
+		private String token;
+
+		BearerTokenRequestPostProcessor(String token) {
+			this.token = token;
+		}
+
+		@Override
+		public MockHttpServletRequest postProcessRequest(MockHttpServletRequest request) {
+			request.addHeader("Authorization", "Bearer " + this.token);
+			return request;
+		}
+	}
+}

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/example/OAuth2ResourceServerApplication.java

@@ -0,0 +1,31 @@
+/*
+ * 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 example;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * OAuth Resource Server application.
+ * @author Josh Cummings
+ */
+@SpringBootApplication
+public class OAuth2ResourceServerApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(OAuth2ResourceServerApplication.class, args);
+	}
+}

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/example/OAuth2ResourceServerController.java

@@ -0,0 +1,41 @@
+/*
+ * 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 example;
+
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.security.oauth2.core.OAuth2AuthenticatedPrincipal;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * A controller demonstrating OAuth2 Resource server.
+ * @author Josh Cummings
+ */
+@RestController
+public class OAuth2ResourceServerController {
+
+	@GetMapping("/{tenantId}")
+	public String index(@AuthenticationPrincipal OAuth2AuthenticatedPrincipal token, @PathVariable("tenantId") String tenantId) {
+		String subject = token.getAttribute("sub");
+		return String.format("Hello, %s for %s!", subject, tenantId);
+	}
+
+	@GetMapping("/{tenantId}/message")
+	public String message(@PathVariable("tenantId") String tenantId) {
+		return String.format("secret message for %s", tenantId);
+	}
+}

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/example/OAuth2ResourceServerSecurityConfiguration.java

@@ -0,0 +1,101 @@
+/*
+ * 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 example;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.AuthenticationManagerResolver;
+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;
+import org.springframework.security.oauth2.jwt.JwtDecoder;
+import org.springframework.security.oauth2.jwt.NimbusJwtDecoder;
+import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationProvider;
+import org.springframework.security.oauth2.server.resource.authentication.JwtBearerTokenAuthenticationConverter;
+import org.springframework.security.oauth2.server.resource.authentication.OpaqueTokenAuthenticationProvider;
+import org.springframework.security.oauth2.server.resource.introspection.NimbusOpaqueTokenIntrospector;
+import org.springframework.security.oauth2.server.resource.introspection.OpaqueTokenIntrospector;
+
+/**
+ * OAuth Resource Security configuration.
+ * @author Josh Cummings
+ */
+@EnableWebSecurity
+public class OAuth2ResourceServerSecurityConfiguration extends WebSecurityConfigurerAdapter {
+
+	@Value("${tenantOne.jwk-set-uri}")
+	String jwkSetUri;
+
+	@Value("${tenantTwo.introspection-uri}")
+	String introspectionUri;
+
+	@Value("${tenantTwo.introspection-client-id}")
+	String introspectionClientId;
+
+	@Value("${tenantTwo.introspection-client-secret}")
+	String introspectionClientSecret;
+
+	@Override
+	protected void configure(HttpSecurity http) throws Exception {
+		// @formatter:off
+		http
+			.authorizeRequests((requests) -> requests
+					.mvcMatchers("/**/message/**").hasAuthority("SCOPE_message:read")
+					.anyRequest().authenticated()
+			)
+			.oauth2ResourceServer((resourceServer) -> resourceServer
+					.authenticationManagerResolver(multitenantAuthenticationManager())
+			);
+		// @formatter:on
+	}
+
+	@Bean
+	AuthenticationManagerResolver<HttpServletRequest> multitenantAuthenticationManager() {
+		Map<String, AuthenticationManager> authenticationManagers = new HashMap<>();
+		authenticationManagers.put("tenantOne", jwt());
+		authenticationManagers.put("tenantTwo", opaque());
+		return (request) -> {
+			String[] pathParts = request.getRequestURI().split("/");
+			String tenantId = (pathParts.length > 0) ? pathParts[1] : null;
+			// @formatter:off
+			return Optional.ofNullable(tenantId)
+					.map(authenticationManagers::get)
+					.orElseThrow(() -> new IllegalArgumentException("unknown tenant"));
+			// @formatter:on
+		};
+	}
+
+	AuthenticationManager jwt() {
+		JwtDecoder jwtDecoder = NimbusJwtDecoder.withJwkSetUri(this.jwkSetUri).build();
+		JwtAuthenticationProvider authenticationProvider = new JwtAuthenticationProvider(jwtDecoder);
+		authenticationProvider.setJwtAuthenticationConverter(new JwtBearerTokenAuthenticationConverter());
+		return authenticationProvider::authenticate;
+	}
+
+	AuthenticationManager opaque() {
+		OpaqueTokenIntrospector introspectionClient =
+				new NimbusOpaqueTokenIntrospector(this.introspectionUri,
+						this.introspectionClientId, this.introspectionClientSecret);
+		return new OpaqueTokenAuthenticationProvider(introspectionClient)::authenticate;
+	}
+}

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/org/springframework/boot/env/MockWebServerEnvironmentPostProcessor.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2002-2019 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 org.springframework.boot.env;
+
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.boot.SpringApplication;
+import org.springframework.core.env.ConfigurableEnvironment;
+
+/**
+ * Adds {@link MockWebServerPropertySource} to the environment.
+ * @author Rob Winch
+ */
+public class MockWebServerEnvironmentPostProcessor
+		implements EnvironmentPostProcessor, DisposableBean {
+
+	private final MockWebServerPropertySource propertySource = new MockWebServerPropertySource();
+
+	@Override
+	public void postProcessEnvironment(ConfigurableEnvironment environment,
+			SpringApplication application) {
+		environment.getPropertySources().addFirst(this.propertySource);
+	}
+
+	@Override
+	public void destroy() throws Exception {
+		this.propertySource.destroy();
+	}
+}

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/org/springframework/boot/env/MockWebServerPropertySource.java

@@ -0,0 +1,217 @@
+/*
+ * Copyright 2002-2019 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 org.springframework.boot.env;
+
+import java.io.IOException;
+import java.util.Base64;
+import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import okhttp3.mockwebserver.Dispatcher;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import okhttp3.mockwebserver.RecordedRequest;
+import okio.Buffer;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.core.env.PropertySource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+
+/**
+ * Adds the mock server url.
+ * @author Rob Winch
+ */
+public class MockWebServerPropertySource extends PropertySource<MockWebServer> implements
+		DisposableBean {
+
+	// introspection endpoint
+
+	// @formatter:off
+	private static final MockResponse NO_SCOPES_RESPONSE = response(
+			"{\n" +
+					"      \"active\": true,\n" +
+					"      \"sub\": \"subject\"\n" +
+					"     }",
+			200
+	);
+	// @formatter:on
+
+	// @formatter:off
+	private static final MockResponse MESSASGE_READ_SCOPE_RESPONSE = response(
+			"{\n" +
+					"      \"active\": true,\n" +
+					"      \"scope\" : \"message:read\"," +
+					"      \"sub\": \"subject\"\n" +
+					"     }",
+			200
+	);
+	// @formatter:on
+
+	// @formatter:off
+	private static final MockResponse INACTIVE_RESPONSE = response(
+			"{\n" +
+					"      \"active\": false,\n" +
+					"     }",
+			200
+	);
+	// @formatter:on
+
+	// @formatter:off
+	private static final MockResponse BAD_REQUEST_RESPONSE = response(
+			"{ \"message\" : \"This mock authorization server requires a username and password of " +
+					"client/secret and a POST body of token=${token}\" }",
+			400
+	);
+	// @formatter:on
+
+	// @formatter:off
+	private static final MockResponse NOT_FOUND_RESPONSE = response(
+			"{ \"message\" : \"This mock authorization server responds to just two requests: POST /introspect" +
+					" and GET /.well-known/jwks.json.\" }",
+			404
+	);
+	// @formatter:on
+
+	// jwks endpoint
+
+	// @formatter:off
+	private static final MockResponse JWKS_RESPONSE = response(
+			"{\"keys\":[{\"p\":\"2p-ViY7DE9ZrdWQb544m0Jp7Cv03YCSljqfim9pD4ALhObX0OrAznOiowTjwBky9JGffMwDBVSfJSD9TSU7aH2sbbfi0bZLMdekKAuimudXwUqPDxrrg0BCyvCYgLmKjbVT3zcdylWSog93CNTxGDPzauu-oc0XPNKCXnaDpNvE\",\"kty\":\"RSA\",\"q\":\"sP_QYavrpBvSJ86uoKVGj2AGl78CSsAtpf1ybSY5TwUlorXSdqapRbY69Y271b0aMLzlleUn9ZTBO1dlKV2_dw_lPADHVia8z3pxL-8sUhIXLsgj4acchMk4c9YX-sFh07xENnyZ-_TXm3llPLuL67HUfBC2eKe800TmCYVWc9U\",\"d\":\"bn1nFxCQT4KLTHqo8mo9HvHD0cRNRNdWcKNnnEQkCF6tKbt-ILRyQGP8O40axLd7CoNVG9c9p_-g4-2kwCtLJNv_STLtwfpCY7VN5o6-ZIpfTjiW6duoPrLWq64Hm_4LOBQTiZfUPcLhsuJRHbWqakj-kV_YbUyC2Ocf_dd8IAQcSrAU2SCcDebhDCWwRUFvaa9V5eq0851S9goaA-AJz-JXyePH6ZFr8JxmWkWxYZ5kdcMD-sm9ZbxE0CaEk32l4fE4hR-L8x2dDtjWA-ahKCZ091z-gV3HWtR2JOjvxoNRjxUo3UxaGiFJHWNIl0EYUJZu1Cb-5wIlEI7wPx5mwQ\",\"e\":\"AQAB\",\"use\":\"sig\",\"kid\":\"one\",\"qi\":\"qS0OK48M2CIAA6_4Wdw4EbCaAfcTLf5Oy9t5BOF_PFUKqoSpZ6JsT5H0a_4zkjt-oI969v78OTlvBKbmEyKO-KeytzHBAA5CsLmVcz0THrMSg6oXZqu66MPnvWoZN9FEN5TklPOvBFm8Bg1QZ3k-YMVaM--DLvhaYR95_mqaz50\",\"dp\":\"Too2NozLGD1XrXyhabZvy1E0EuaVFj0UHQPDLSpkZ_2g3BK6Art6T0xmE8RYtmqrKIEIdlI3IliAvyvAx_1D7zWTTRaj-xlZyqJFrnXWL7zj8UxT8PkB-r2E-ILZ3NAi1gxIWezlBTZ8M6NfObDFmbTc_3tJkN_raISo8z_ziIE\",\"dq\":\"U0yhSkY5yOsa9YcMoigGVBWSJLpNHtbg5NypjHrPv8OhWbkOSq7WvSstBkFk5AtyFvvfZLMLIkWWxxGzV0t6f1MoxBtttLrYYyCxwihiiGFhLbAdSuZ1wnxcqA9bC7UVECvrQmVTpsMs8UupfHKbQBpZ8OWAqrnuYNNtG4_4Bt0\",\"n\":\"lygtuZj0lJjqOqIWocF8Bb583QDdq-aaFg8PesOp2-EDda6GqCpL-_NZVOflNGX7XIgjsWHcPsQHsV9gWuOzSJ0iEuWvtQ6eGBP5M6m7pccLNZfwUse8Cb4Ngx3XiTlyuqM7pv0LPyppZusfEHVEdeelou7Dy9k0OQ_nJTI3b2E1WBoHC58CJ453lo4gcBm1efURN3LIVc1V9NQY_ESBKVdwqYyoJPEanURLVGRd6cQKn6YrCbbIRHjqAyqOE-z3KmgDJnPriljfR5XhSGyM9eqD9Xpy6zu_MAeMJJfSArp857zLPk-Wf5VP9STAcjyfdBIybMKnwBYr2qHMT675hQ\"}]}",
+			200
+	);
+	// @formatter:on
+
+	/**
+	 * Name of the random {@link PropertySource}.
+	 */
+	public static final String MOCK_WEB_SERVER_PROPERTY_SOURCE_NAME = "mockwebserver";
+
+	private static final String NAME = "mockwebserver.url";
+
+	private static final Log logger = LogFactory.getLog(MockWebServerPropertySource.class);
+
+	private boolean started;
+
+	public MockWebServerPropertySource() {
+		super(MOCK_WEB_SERVER_PROPERTY_SOURCE_NAME, new MockWebServer());
+	}
+
+	@Override
+	public Object getProperty(String name) {
+		if (!name.equals(NAME)) {
+			return null;
+		}
+		if (logger.isTraceEnabled()) {
+			logger.trace("Looking up the url for '" + name + "'");
+		}
+		String url = getUrl();
+		return url;
+	}
+
+	@Override
+	public void destroy() throws Exception {
+		getSource().shutdown();
+	}
+
+	/**
+	 * Get's the URL (i.e. "http://localhost:123456")
+	 * @return the mock server URL.
+	 */
+	private String getUrl() {
+		MockWebServer mockWebServer = getSource();
+		if (!this.started) {
+			intializeMockWebServer(mockWebServer);
+		}
+		String url = mockWebServer.url("").url().toExternalForm();
+		return url.substring(0, url.length() - 1);
+	}
+
+	private void intializeMockWebServer(MockWebServer mockWebServer) {
+		Dispatcher dispatcher = new Dispatcher() {
+			@Override
+			public MockResponse dispatch(RecordedRequest request) {
+				return doDispatch(request);
+			}
+		};
+
+		mockWebServer.setDispatcher(dispatcher);
+		try {
+			mockWebServer.start();
+			this.started = true;
+		}
+		catch (IOException ex) {
+			throw new RuntimeException("Could not start " + mockWebServer, ex);
+		}
+	}
+
+	private MockResponse doDispatch(RecordedRequest request) {
+		if ("/.well-known/jwks.json".equals(request.getPath())) {
+			return JWKS_RESPONSE;
+		}
+
+		if ("/introspect".equals(request.getPath())) {
+			// @formatter:off
+			return Optional.ofNullable(request.getHeader(HttpHeaders.AUTHORIZATION))
+					.filter((authorization) -> isAuthorized(authorization, "client", "secret"))
+					.map((authorization) -> parseBody(request.getBody()))
+					.map((parameters) -> parameters.get("token"))
+					.map((token) -> {
+						if ("00ed5855-1869-47a0-b0c9-0f3ce520aee7".equals(token)) {
+							return NO_SCOPES_RESPONSE;
+						}
+						else if ("b43d1500-c405-4dc9-b9c9-6cfd966c34c9".equals(token)) {
+							return MESSASGE_READ_SCOPE_RESPONSE;
+						}
+						else {
+							return INACTIVE_RESPONSE;
+						}
+					})
+					.orElse(BAD_REQUEST_RESPONSE);
+			// @formatter:on
+		}
+
+		return NOT_FOUND_RESPONSE;
+	}
+
+	private boolean isAuthorized(String authorization, String username, String password) {
+		String[] values = new String(Base64.getDecoder().decode(authorization.substring(6))).split(":");
+		return username.equals(values[0]) && password.equals(values[1]);
+	}
+
+	private Map<String, Object> parseBody(Buffer body) {
+		// @formatter:off
+		return Stream.of(body.readUtf8().split("&"))
+				.map((parameter) -> parameter.split("="))
+				.collect(Collectors.toMap((parts) -> parts[0], (parts) -> parts[1]));
+		// @formatter:on
+	}
+
+	private static MockResponse response(String body, int status) {
+		// @formatter:off
+		return new MockResponse()
+				.setHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+				.setResponseCode(status)
+				.setBody(body);
+		// @formatter:on
+	}
+
+}

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/java/org/springframework/boot/env/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2002-2019 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.
+ */
+
+/**
+ * This provides integration of a {@link okhttp3.mockwebserver.MockWebServer} and the
+ * {@link org.springframework.core.env.Environment}.
+ * @author Rob Winch
+ */
+package org.springframework.boot.env;

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/resources/META-INF/spring.factories

@@ -0,0 +1 @@
+org.springframework.boot.env.EnvironmentPostProcessor=org.springframework.boot.env.MockWebServerEnvironmentPostProcessor

servlet/spring-boot/java/oauth2/resource-server/multi-tenancy/src/main/resources/application.yml

@@ -0,0 +1,4 @@
+tenantOne.jwk-set-uri: ${mockwebserver.url}/.well-known/jwks.json
+tenantTwo.introspection-uri: ${mockwebserver.url}/introspect
+tenantTwo.introspection-client-id: client
+tenantTwo.introspection-client-secret: secret