cubetiq/ spring-authorization-server
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Add JwkSet endpoint as filter 

Fixes gh-2
This commit is contained in:
Joerg Bellmann 2020-04-18 22:41:05 +02:00 committed by Joe Grandja
parent 3ab314c8aa
commit fa5c3510a9
7 changed files with 285 additions and 7 deletions
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2
build.gradle
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@ -16,6 +16,8 @@ group = 'org.springframework.security.experimental'
description = 'Spring Authorization Server'
version = '0.0.1-SNAPSHOT'
ext['junit-jupiter.version'] = '5.4.0'
repositories {
mavenCentral()
}

12
samples/boot/minimal/README.md Normal file
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@ -0,0 +1,12 @@
## Minimal Authorization Server Sample
#### How to run
```
./gradlew spring-authorization-server-samples-boot-minimal:bootRun
```
```
curl http://localhost:8080/.well-known/jwk_uris
```

11
samples/boot/minimal/spring-authorization-server-samples-boot-minimal.gradle
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@ -1,10 +1,19 @@
apply plugin: 'io.spring.convention.spring-sample-boot'
dependencies {
implementation 'org.springframework.boot:spring-boot-starter'
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-security'
implementation 'com.nimbusds:oauth2-oidc-sdk'
testImplementation('org.springframework.boot:spring-boot-starter-test') {
exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
}
testImplementation 'org.springframework.security:spring-security-test'
testRuntime("org.junit.platform:junit-platform-runner")
testRuntime("org.junit.jupiter:junit-jupiter-engine")
}
test {

74
samples/boot/minimal/src/main/java/sample/JwkSetEndpointFilter.java Normal file
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@ -0,0 +1,74 @@
/*
* 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.http.HttpMethod.GET;
import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
import java.io.IOException;
import java.io.Writer;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import org.springframework.security.web.util.matcher.RequestMatcher;
import org.springframework.util.Assert;
import org.springframework.web.filter.OncePerRequestFilter;
import org.springframework.web.util.UrlPathHelper;
import com.nimbusds.jose.jwk.JWKSet;
public class JwkSetEndpointFilter extends OncePerRequestFilter {
static final String WELL_KNOWN_JWK_URIS = "/.well-known/jwk_uris";
private final RequestMatcher requestMatcher = new AntPathRequestMatcher(WELL_KNOWN_JWK_URIS, GET.name(), true,
new UrlPathHelper());
private final JWKSet jwkSet;
public JwkSetEndpointFilter(JWKSet jwkSet) {
Assert.notNull(jwkSet, "jwkSet cannot be null");
this.jwkSet = jwkSet;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
if (ifRequestMatches(request)) {
respond(response);
} else {
filterChain.doFilter(request, response);
}
}
private void respond(HttpServletResponse response) throws IOException {
response.setContentType(APPLICATION_JSON_VALUE);
try (Writer writer = response.getWriter()) {
writer.write(jwkSet.toPublicJWKSet().toJSONObject().toJSONString());
}
}
private boolean ifRequestMatches(HttpServletRequest request) {
return this.requestMatcher.matches(request);
}
}

43
samples/boot/minimal/src/main/java/sample/SecurityConfig.java Normal file
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@ -0,0 +1,43 @@
/*
* 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.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.web.access.channel.ChannelProcessingFilter;
import com.nimbusds.jose.JOSEException;
import com.nimbusds.jose.jwk.JWK;
import com.nimbusds.jose.jwk.JWKSet;
import com.nimbusds.jose.jwk.KeyUse;
import com.nimbusds.jose.jwk.gen.RSAKeyGenerator;
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http.addFilterBefore(new JwkSetEndpointFilter(generateJwkSet()), ChannelProcessingFilter.class);
}
protected JWKSet generateJwkSet() throws JOSEException {
JWK jwk = new RSAKeyGenerator(2048).keyID("minimal-ASA").keyUse(KeyUse.SIGNATURE).generate();
return new JWKSet(jwk);
}
}

127
samples/boot/minimal/src/test/java/sample/JwkSetEndpointFilterTest.java Normal file
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@ -0,0 +1,127 @@
/*
* 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.assertj.core.api.Assertions.assertThatThrownBy;
import static org.hamcrest.Matchers.is;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.only;
import static org.mockito.Mockito.verify;
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.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static sample.JwkSetEndpointFilter.WELL_KNOWN_JWK_URIS;
import javax.servlet.FilterChain;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;
import org.mockito.Mockito;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.nimbusds.jose.JOSEException;
import com.nimbusds.jose.jwk.JWK;
import com.nimbusds.jose.jwk.JWKSet;
import com.nimbusds.jose.jwk.KeyUse;
import com.nimbusds.jose.jwk.gen.RSAKeyGenerator;
@TestInstance(Lifecycle.PER_CLASS)
public class JwkSetEndpointFilterTest {
private MockMvc mvc;
private JWKSet jwkSet;
private JWK jwk;
private JwkSetEndpointFilter filter;
@BeforeAll
void setup() throws JOSEException {
this.jwk = new RSAKeyGenerator(2048).keyID("endpoint-test").keyUse(KeyUse.SIGNATURE).generate();
this.jwkSet = new JWKSet(jwk);
this.filter = new JwkSetEndpointFilter(jwkSet);
this.mvc = MockMvcBuilders.standaloneSetup(new FakeController()).addFilters(filter).alwaysDo(print()).build();
}
@Test
void constructorWhenJsonWebKeySetIsNullThrowIllegalArgumentException() {
assertThatThrownBy(() -> new JwkSetEndpointFilter(null)).isInstanceOf(IllegalArgumentException.class);
}
@Test
void doFilterWhenPathMatches() throws Exception {
String requestUri = WELL_KNOWN_JWK_URIS;
MockHttpServletRequest request = new MockHttpServletRequest("GET", requestUri);
request.setServletPath(requestUri);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verify(filterChain, never()).doFilter(Mockito.any(HttpServletRequest.class),
Mockito.any(HttpServletResponse.class));
}
@Test
void doFilterWhenPathDoesNotMatch() throws Exception {
String requestUri = "/stuff/" + WELL_KNOWN_JWK_URIS;
MockHttpServletRequest request = new MockHttpServletRequest("GET", requestUri);
request.setServletPath(requestUri);
MockHttpServletResponse response = new MockHttpServletResponse();
FilterChain filterChain = mock(FilterChain.class);
this.filter.doFilter(request, response, filterChain);
verify(filterChain, only()).doFilter(Mockito.any(HttpServletRequest.class),
Mockito.any(HttpServletResponse.class));
}
@Test
void testResponseIfRequestMatches() throws Exception {
mvc.perform(get(WELL_KNOWN_JWK_URIS)).andDo(print()).andExpect(status().isOk())
.andExpect(jsonPath("$.keys").isArray()).andExpect(jsonPath("$.keys").isNotEmpty())
.andExpect(jsonPath("$.keys[0].kid").value(jwk.getKeyID()))
.andExpect(jsonPath("$.keys[0].kty").value(jwk.getKeyType().toString()));
}
@Test
void testResponseIfNotRequestMatches() throws Exception {
mvc.perform(get("/fake")).andDo(print()).andExpect(status().isOk())
.andExpect(content().string(is("fake")));
}
@RestController
class FakeController {
@RequestMapping("/fake")
public String hello() {
return "fake";
}
}
}

23
samples/boot/minimal/src/test/java/sample/MinimalAuthorizationServerApplicationTests.java
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@ -15,18 +15,29 @@
*/
package sample;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.http.HttpStatus.OK;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.ApplicationContext;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.boot.web.server.LocalServerPort;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import static org.assertj.core.api.Assertions.assertThat;
@SpringBootTest
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
public class MinimalAuthorizationServerApplicationTests {
private RestTemplate rest = new RestTemplate();
@LocalServerPort
private int serverPort;
@Test
public void loadContext(ApplicationContext context) {
assertThat(context).isNotNull();
void verifyJwkSetEndpointFilterAccessibleWithoutAuthentication() {
ResponseEntity<String> responseEntity = rest.getForEntity(
"http://localhost:" + serverPort + JwkSetEndpointFilter.WELL_KNOWN_JWK_URIS, String.class);
assertThat(responseEntity.getStatusCode()).isEqualTo(OK);
}
}