Skip to content

Fix blocking in ServletOAuth2AuthorizedClientExchangeFilterFunction #7037

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions gradle/dependency-management.gradle
Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@ dependencyManagement {
dependency 'commons-lang:commons-lang:2.6'
dependency 'commons-logging:commons-logging:1.2'
dependency 'dom4j:dom4j:1.6.1'
dependency 'io.projectreactor.tools:blockhound:1.0.0.M4'
dependency 'javax.activation:activation:1.1.1'
dependency 'javax.annotation:jsr250-api:1.0'
dependency 'javax.inject:javax.inject:1'
Expand Down
1 change: 1 addition & 0 deletions oauth2/oauth2-client/spring-security-oauth2-client.gradle
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ dependencies {
testCompile 'com.fasterxml.jackson.core:jackson-databind'
testCompile 'io.projectreactor.netty:reactor-netty'
testCompile 'io.projectreactor:reactor-test'
testCompile 'io.projectreactor.tools:blockhound'

provided 'javax.servlet:javax.servlet-api'
}
Original file line number Diff line number Diff line change
Expand Up @@ -288,20 +288,33 @@ public void setAccessTokenExpiresSkew(Duration accessTokenExpiresSkew) {

@Override
public Mono<ClientResponse> filter(ClientRequest request, ExchangeFunction next) {
return Mono.just(request)
.filter(req -> req.attribute(OAUTH2_AUTHORIZED_CLIENT_ATTR_NAME).isPresent())
.switchIfEmpty(mergeRequestAttributesFromContext(request))
return mergeRequestAttributesIfNecessary(request)
.filter(req -> req.attribute(OAUTH2_AUTHORIZED_CLIENT_ATTR_NAME).isPresent())
.flatMap(req -> authorizedClient(req, next, getOAuth2AuthorizedClient(req.attributes())))
.switchIfEmpty(Mono.defer(() ->
mergeRequestAttributesIfNecessary(request)
.filter(req -> req.attribute(CLIENT_REGISTRATION_ID_ATTR_NAME).isPresent())
.flatMap(this::authorizeClient)
))
.map(authorizedClient -> bearer(request, authorizedClient))
.flatMap(next::exchange)
.switchIfEmpty(next.exchange(request));
.switchIfEmpty(Mono.defer(() -> next.exchange(request)));
}

private Mono<ClientRequest> mergeRequestAttributesIfNecessary(ClientRequest request) {
if (!request.attribute(HTTP_SERVLET_REQUEST_ATTR_NAME).isPresent() ||
!request.attribute(HTTP_SERVLET_RESPONSE_ATTR_NAME).isPresent() ||
!request.attribute(AUTHENTICATION_ATTR_NAME).isPresent()) {
return mergeRequestAttributesFromContext(request);
} else {
return Mono.just(request);
}
}

private Mono<ClientRequest> mergeRequestAttributesFromContext(ClientRequest request) {
return Mono.just(ClientRequest.from(request))
.flatMap(builder -> Mono.subscriberContext()
.map(ctx -> builder.attributes(attrs -> populateRequestAttributes(attrs, ctx))))
ClientRequest.Builder builder = ClientRequest.from(request);
return Mono.subscriberContext()
.map(ctx -> builder.attributes(attrs -> populateRequestAttributes(attrs, ctx)))
.map(ClientRequest.Builder::build);
}

Expand Down Expand Up @@ -348,35 +361,37 @@ private void populateDefaultOAuth2AuthorizedClient(Map<String, Object> attrs) {
return;
}

Authentication authentication = getAuthentication(attrs);
String clientRegistrationId = getClientRegistrationId(attrs);
if (clientRegistrationId == null) {
clientRegistrationId = this.defaultClientRegistrationId;
}
Authentication authentication = getAuthentication(attrs);
if (clientRegistrationId == null
&& this.defaultOAuth2AuthorizedClient
&& authentication instanceof OAuth2AuthenticationToken) {
clientRegistrationId = ((OAuth2AuthenticationToken) authentication).getAuthorizedClientRegistrationId();
}
if (clientRegistrationId != null) {
HttpServletRequest request = getRequest(attrs);
OAuth2AuthorizedClient authorizedClient = this.authorizedClientRepository
.loadAuthorizedClient(clientRegistrationId, authentication,
request);
if (authorizedClient == null) {
authorizedClient = getAuthorizedClient(clientRegistrationId, attrs);
HttpServletRequest request = getRequest(attrs);
if (clientRegistrationId != null && authentication != null && request != null) {
OAuth2AuthorizedClient authorizedClient = this.authorizedClientRepository.loadAuthorizedClient(
clientRegistrationId, authentication, request);
if (authorizedClient != null) {
oauth2AuthorizedClient(authorizedClient).accept(attrs);
}
oauth2AuthorizedClient(authorizedClient).accept(attrs);
}
}

private OAuth2AuthorizedClient getAuthorizedClient(String clientRegistrationId, Map<String, Object> attrs) {
private Mono<OAuth2AuthorizedClient> authorizeClient(ClientRequest request) {
Map<String, Object> attrs = request.attributes();
String clientRegistrationId = getClientRegistrationId(attrs);
ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId(clientRegistrationId);
if (clientRegistration == null) {
throw new IllegalArgumentException("Could not find ClientRegistration with id " + clientRegistrationId);
}
if (isClientCredentialsGrantType(clientRegistration)) {
return authorizeWithClientCredentials(clientRegistration, attrs);
// NOTE: 'authorizeWithClientCredentials()' needs to be executed on a dedicated thread via subscribeOn(Schedulers.elastic())
// since it performs a blocking I/O operation using RestTemplate internally
return Mono.fromSupplier(() -> authorizeWithClientCredentials(clientRegistration, attrs)).subscribeOn(Schedulers.elastic());
}
throw new ClientAuthorizationRequiredException(clientRegistrationId);
}
Expand Down Expand Up @@ -414,7 +429,9 @@ private Mono<OAuth2AuthorizedClient> authorizedClient(ClientRequest request, Exc
ClientRegistration clientRegistration = authorizedClient.getClientRegistration();
if (isClientCredentialsGrantType(clientRegistration) && hasTokenExpired(authorizedClient)) {
// Client credentials grant do not have refresh tokens but can expire so we need to get another one
return Mono.fromSupplier(() -> authorizeWithClientCredentials(clientRegistration, request.attributes()));
// NOTE: 'authorizeWithClientCredentials()' needs to be executed on a dedicated thread via subscribeOn(Schedulers.elastic())
// since it performs a blocking I/O operation using RestTemplate internally
return Mono.fromSupplier(() -> authorizeWithClientCredentials(clientRegistration, request.attributes())).subscribeOn(Schedulers.elastic());
} else if (shouldRefreshToken(authorizedClient)) {
return authorizeWithRefreshToken(request, next, authorizedClient);
}
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,269 @@
/*
* 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.security.oauth2.client.web.reactive.function.client;

import okhttp3.mockwebserver.MockResponse;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.security.authentication.TestingAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.oauth2.client.InMemoryOAuth2AuthorizedClientService;
import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
import org.springframework.security.oauth2.client.registration.ClientRegistration;
import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
import org.springframework.security.oauth2.client.registration.TestClientRegistrations;
import org.springframework.security.oauth2.client.web.AuthenticatedPrincipalOAuth2AuthorizedClientRepository;
import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
import org.springframework.security.oauth2.core.OAuth2AccessToken;
import org.springframework.security.oauth2.core.OAuth2RefreshToken;
import org.springframework.security.oauth2.core.TestOAuth2RefreshTokens;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.blockhound.BlockHound;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.time.Duration;
import java.time.Instant;
import java.util.Arrays;
import java.util.HashSet;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.*;
import static org.springframework.security.oauth2.client.web.reactive.function.client.ServletOAuth2AuthorizedClientExchangeFilterFunction.clientRegistrationId;

/**
* @author Joe Grandja
*/
public class ServletOAuth2AuthorizedClientExchangeFilterFunctionITests {
private ClientRegistrationRepository clientRegistrationRepository;
private OAuth2AuthorizedClientRepository authorizedClientRepository;
private ServletOAuth2AuthorizedClientExchangeFilterFunction authorizedClientFilter;
private MockWebServer server;
private String serverUrl;
private WebClient webClient;
private Authentication authentication;
private MockHttpServletRequest request;
private MockHttpServletResponse response;

@BeforeClass
public static void setUpBlockingChecks() {
// IMPORTANT:
// Before enabling BlockHound, we need to force the initialization of
// java.lang.Package.defineSystemPackage(). When the JVM loads java.lang.Package.getSystemPackage(),
// it attempts to java.lang.Package.loadManifest() which is blocking I/O and triggers BlockHound to error.
// The following code forces the loading of the manifest.
// NOTE: This is an issue with JDK 8. It's been tested on JDK 10 and works fine w/o this workaround.
Class.class.getPackage();
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Copy link
Member

@rwinch rwinch Aug 5, 2019

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

@bsideup I'm curious...It does block, so why would we whitelist it?


BlockHound.install();
}

@Before
public void setUp() throws Exception {
this.clientRegistrationRepository = mock(ClientRegistrationRepository.class);
final OAuth2AuthorizedClientRepository delegate = new AuthenticatedPrincipalOAuth2AuthorizedClientRepository(
new InMemoryOAuth2AuthorizedClientService(this.clientRegistrationRepository));
this.authorizedClientRepository = spy(new OAuth2AuthorizedClientRepository() {
@Override
public <T extends OAuth2AuthorizedClient> T loadAuthorizedClient(String clientRegistrationId, Authentication principal, HttpServletRequest request) {
return delegate.loadAuthorizedClient(clientRegistrationId, principal, request);
}

@Override
public void saveAuthorizedClient(OAuth2AuthorizedClient authorizedClient, Authentication principal, HttpServletRequest request, HttpServletResponse response) {
delegate.saveAuthorizedClient(authorizedClient, principal, request, response);
}

@Override
public void removeAuthorizedClient(String clientRegistrationId, Authentication principal, HttpServletRequest request, HttpServletResponse response) {
delegate.removeAuthorizedClient(clientRegistrationId, principal, request, response);
}
});
this.authorizedClientFilter = new ServletOAuth2AuthorizedClientExchangeFilterFunction(
this.clientRegistrationRepository, this.authorizedClientRepository);
this.authorizedClientFilter.afterPropertiesSet();
this.server = new MockWebServer();
this.server.start();
this.serverUrl = this.server.url("/").toString();
this.webClient = WebClient.builder()
.apply(this.authorizedClientFilter.oauth2Configuration())
.build();
this.authentication = new TestingAuthenticationToken("principal", "password");
SecurityContextHolder.getContext().setAuthentication(this.authentication);
this.request = new MockHttpServletRequest();
this.response = new MockHttpServletResponse();
RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(this.request, this.response));
}

@After
public void cleanup() throws Exception {
this.authorizedClientFilter.destroy();
this.server.shutdown();
SecurityContextHolder.clearContext();
RequestContextHolder.resetRequestAttributes();
}

@Test
public void requestWhenNotAuthorizedThenAuthorizeAndSendRequest() {
String accessTokenResponse = "{\n" +
" \"access_token\": \"access-token-1234\",\n" +
" \"token_type\": \"bearer\",\n" +
" \"expires_in\": \"3600\",\n" +
" \"scope\": \"read write\"\n" +
"}\n";
String clientResponse = "{\n" +
" \"attribute1\": \"value1\",\n" +
" \"attribute2\": \"value2\"\n" +
"}\n";

this.server.enqueue(jsonResponse(accessTokenResponse));
this.server.enqueue(jsonResponse(clientResponse));

ClientRegistration clientRegistration = TestClientRegistrations.clientCredentials().tokenUri(this.serverUrl).build();
when(this.clientRegistrationRepository.findByRegistrationId(eq(clientRegistration.getRegistrationId()))).thenReturn(clientRegistration);

this.webClient
.get()
.uri(this.serverUrl)
.attributes(clientRegistrationId(clientRegistration.getRegistrationId()))
.retrieve()
.bodyToMono(String.class)
.block();

assertThat(this.server.getRequestCount()).isEqualTo(2);

ArgumentCaptor<OAuth2AuthorizedClient> authorizedClientCaptor = ArgumentCaptor.forClass(OAuth2AuthorizedClient.class);
verify(this.authorizedClientRepository).saveAuthorizedClient(
authorizedClientCaptor.capture(), eq(this.authentication), eq(this.request), eq(this.response));
assertThat(authorizedClientCaptor.getValue().getClientRegistration()).isSameAs(clientRegistration);
}

@Test
public void requestWhenAuthorizedButExpiredThenRefreshAndSendRequest() {
String accessTokenResponse = "{\n" +
" \"access_token\": \"refreshed-access-token\",\n" +
" \"token_type\": \"bearer\",\n" +
" \"expires_in\": \"3600\"\n" +
"}\n";
String clientResponse = "{\n" +
" \"attribute1\": \"value1\",\n" +
" \"attribute2\": \"value2\"\n" +
"}\n";

this.server.enqueue(jsonResponse(accessTokenResponse));
this.server.enqueue(jsonResponse(clientResponse));

ClientRegistration clientRegistration = TestClientRegistrations.clientRegistration().tokenUri(this.serverUrl).build();
when(this.clientRegistrationRepository.findByRegistrationId(eq(clientRegistration.getRegistrationId()))).thenReturn(clientRegistration);

Instant issuedAt = Instant.now().minus(Duration.ofDays(1));
Instant expiresAt = issuedAt.plus(Duration.ofHours(1));
OAuth2AccessToken accessToken = new OAuth2AccessToken(OAuth2AccessToken.TokenType.BEARER,
"expired-access-token", issuedAt, expiresAt, new HashSet<>(Arrays.asList("read", "write")));
OAuth2RefreshToken refreshToken = TestOAuth2RefreshTokens.refreshToken();
OAuth2AuthorizedClient authorizedClient = new OAuth2AuthorizedClient(
clientRegistration, this.authentication.getName(), accessToken, refreshToken);
doReturn(authorizedClient).when(this.authorizedClientRepository).loadAuthorizedClient(
eq(clientRegistration.getRegistrationId()), eq(this.authentication), eq(this.request));

this.webClient
.get()
.uri(this.serverUrl)
.attributes(clientRegistrationId(clientRegistration.getRegistrationId()))
.retrieve()
.bodyToMono(String.class)
.block();

assertThat(this.server.getRequestCount()).isEqualTo(2);

ArgumentCaptor<OAuth2AuthorizedClient> authorizedClientCaptor = ArgumentCaptor.forClass(OAuth2AuthorizedClient.class);
verify(this.authorizedClientRepository).saveAuthorizedClient(
authorizedClientCaptor.capture(), eq(this.authentication), eq(this.request), eq(this.response));
OAuth2AuthorizedClient refreshedAuthorizedClient = authorizedClientCaptor.getValue();
assertThat(refreshedAuthorizedClient.getClientRegistration()).isSameAs(clientRegistration);
assertThat(refreshedAuthorizedClient.getAccessToken().getTokenValue()).isEqualTo("refreshed-access-token");
}

@Test
public void requestMultipleWhenNoneAuthorizedThenAuthorizeAndSendRequest() {
String accessTokenResponse = "{\n" +
" \"access_token\": \"access-token-1234\",\n" +
" \"token_type\": \"bearer\",\n" +
" \"expires_in\": \"3600\",\n" +
" \"scope\": \"read write\"\n" +
"}\n";
String clientResponse = "{\n" +
" \"attribute1\": \"value1\",\n" +
" \"attribute2\": \"value2\"\n" +
"}\n";

// Client 1
this.server.enqueue(jsonResponse(accessTokenResponse));
this.server.enqueue(jsonResponse(clientResponse));

ClientRegistration clientRegistration1 = TestClientRegistrations.clientCredentials()
.registrationId("client-1").tokenUri(this.serverUrl).build();
when(this.clientRegistrationRepository.findByRegistrationId(eq(clientRegistration1.getRegistrationId()))).thenReturn(clientRegistration1);

// Client 2
this.server.enqueue(jsonResponse(accessTokenResponse));
this.server.enqueue(jsonResponse(clientResponse));

ClientRegistration clientRegistration2 = TestClientRegistrations.clientCredentials()
.registrationId("client-2").tokenUri(this.serverUrl).build();
when(this.clientRegistrationRepository.findByRegistrationId(eq(clientRegistration2.getRegistrationId()))).thenReturn(clientRegistration2);

this.webClient
.get()
.uri(this.serverUrl)
.attributes(clientRegistrationId(clientRegistration1.getRegistrationId()))
.retrieve()
.bodyToMono(String.class)
.flatMap(response -> this.webClient
.get()
.uri(this.serverUrl)
.attributes(clientRegistrationId(clientRegistration2.getRegistrationId()))
.retrieve()
.bodyToMono(String.class))
.block();

assertThat(this.server.getRequestCount()).isEqualTo(4);

ArgumentCaptor<OAuth2AuthorizedClient> authorizedClientCaptor = ArgumentCaptor.forClass(OAuth2AuthorizedClient.class);
verify(this.authorizedClientRepository, times(2)).saveAuthorizedClient(
authorizedClientCaptor.capture(), eq(this.authentication), eq(this.request), eq(this.response));
assertThat(authorizedClientCaptor.getAllValues().get(0).getClientRegistration()).isSameAs(clientRegistration1);
assertThat(authorizedClientCaptor.getAllValues().get(1).getClientRegistration()).isSameAs(clientRegistration2);
}

private MockResponse jsonResponse(String json) {
return new MockResponse()
.setHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
.setBody(json);
}
}
Loading