WithUserDetails supports ReactiveUserDetailsService

Fixes: gh-4888

test/src/main/java/org/springframework/security/test/context/support/WithUserDetailsSecurityContextFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -16,14 +16,19 @@
 package org.springframework.security.test.context.support;
 
 import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.BeanNotOfRequiredTypeException;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContext;
 import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.util.Assert;
+import org.springframework.util.ClassUtils;
 import org.springframework.util.StringUtils;
 
 /**
@@ -39,6 +44,8 @@ import org.springframework.util.StringUtils;
 final class WithUserDetailsSecurityContextFactory implements
 		WithSecurityContextFactory<WithUserDetails> {
 
+	private static final boolean reactorPresent = ClassUtils.isPresent("reactor.core.publisher.Mono", WithUserDetailsSecurityContextFactory.class.getClassLoader());
+
 	private BeanFactory beans;
 
 	@Autowired
@@ -48,9 +55,7 @@ final class WithUserDetailsSecurityContextFactory implements
 
 	public SecurityContext createSecurityContext(WithUserDetails withUser) {
 		String beanName = withUser.userDetailsServiceBeanName();
-		UserDetailsService userDetailsService = StringUtils.hasLength(beanName)
-				? this.beans.getBean(beanName, UserDetailsService.class)
-				: this.beans.getBean(UserDetailsService.class);
+		UserDetailsService userDetailsService = findUserDetailsService(beanName);
 		String username = withUser.value();
 		Assert.hasLength(username, "value() must be non empty String");
 		UserDetails principal = userDetailsService.loadUserByUsername(username);
@@ -60,4 +65,43 @@ final class WithUserDetailsSecurityContextFactory implements
 		context.setAuthentication(authentication);
 		return context;
 	}
-}
+
+	private UserDetailsService findUserDetailsService(String beanName) {
+		if(reactorPresent) {
+			UserDetailsService reactive = findAndAdaptReactiveUserDetailsService(beanName);
+			if (reactive != null) {
+				return reactive;
+			}
+		}
+		return StringUtils.hasLength(beanName)
+			? this.beans.getBean(beanName, UserDetailsService.class)
+			: this.beans.getBean(UserDetailsService.class);
+	}
+
+	public UserDetailsService findAndAdaptReactiveUserDetailsService(String beanName) {
+		try {
+			ReactiveUserDetailsService reactiveUserDetailsService = StringUtils
+				.hasLength(beanName) ?
+				this.beans.getBean(beanName, ReactiveUserDetailsService.class) :
+				this.beans.getBean(ReactiveUserDetailsService.class);
+			return new ReactiveUserDetailsServiceAdapter(reactiveUserDetailsService);
+		} catch(NoSuchBeanDefinitionException | BeanNotOfRequiredTypeException notReactive) {
+			return null;
+		}
+	}
+
+	private class ReactiveUserDetailsServiceAdapter implements UserDetailsService {
+		private final ReactiveUserDetailsService userDetailsService;
+
+		private ReactiveUserDetailsServiceAdapter(
+			ReactiveUserDetailsService userDetailsService) {
+			this.userDetailsService = userDetailsService;
+		}
+
+		@Override
+		public UserDetails loadUserByUsername(String username)
+			throws UsernameNotFoundException {
+			return this.userDetailsService.findByUsername(username).block();
+		}
+	}
+}

test/src/test/java/org/springframework/security/test/context/support/WithUserDetailsSecurityContextFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -16,7 +16,10 @@
 package org.springframework.security.test.context.support;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -24,14 +27,21 @@ import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.BeanNotOfRequiredTypeException;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
 
+import reactor.core.publisher.Mono;
+
 @RunWith(MockitoJUnitRunner.class)
 public class WithUserDetailsSecurityContextFactoryTests {
 
+	@Mock
+	private ReactiveUserDetailsService reactiveUserDetailsService;
 	@Mock
 	private UserDetailsService userDetailsService;
 	@Mock
@@ -46,7 +56,6 @@ public class WithUserDetailsSecurityContextFactoryTests {
 
 	@Before
 	public void setup() {
-		when(beans.getBean(UserDetailsService.class)).thenReturn(userDetailsService);
 		factory = new WithUserDetailsSecurityContextFactory(beans);
 	}
 
@@ -57,6 +66,7 @@ public class WithUserDetailsSecurityContextFactoryTests {
 
 	@Test(expected = IllegalArgumentException.class)
 	public void createSecurityContextEmptyValue() {
+
 		when(withUserDetails.value()).thenReturn("");
 		factory.createSecurityContext(withUserDetails);
 	}
@@ -64,6 +74,8 @@ public class WithUserDetailsSecurityContextFactoryTests {
 	@Test
 	public void createSecurityContextWithExistingUser() {
 		String username = "user";
+		when(this.beans.getBean(ReactiveUserDetailsService.class)).thenThrow(new NoSuchBeanDefinitionException(""));
+		when(beans.getBean(UserDetailsService.class)).thenReturn(userDetailsService);
 		when(withUserDetails.value()).thenReturn(username);
 		when(userDetailsService.loadUserByUsername(username)).thenReturn(userDetails);
 
@@ -72,7 +84,6 @@ public class WithUserDetailsSecurityContextFactoryTests {
 				UsernamePasswordAuthenticationToken.class);
 		assertThat(context.getAuthentication().getPrincipal()).isEqualTo(userDetails);
 		verify(beans).getBean(UserDetailsService.class);
-		verifyNoMoreInteractions(beans);
 	}
 
 	// gh-3346
@@ -80,6 +91,7 @@ public class WithUserDetailsSecurityContextFactoryTests {
 	public void createSecurityContextWithUserDetailsServiceName() {
 		String beanName = "secondUserDetailsServiceBean";
 		String username = "user";
+		when(this.beans.getBean(beanName, ReactiveUserDetailsService.class)).thenThrow(new BeanNotOfRequiredTypeException("", ReactiveUserDetailsService.class, UserDetailsService.class));
 		when(withUserDetails.value()).thenReturn(username);
 		when(withUserDetails.userDetailsServiceBeanName()).thenReturn(beanName);
 		when(userDetailsService.loadUserByUsername(username)).thenReturn(userDetails);
@@ -90,6 +102,35 @@ public class WithUserDetailsSecurityContextFactoryTests {
 				UsernamePasswordAuthenticationToken.class);
 		assertThat(context.getAuthentication().getPrincipal()).isEqualTo(userDetails);
 		verify(beans).getBean(beanName, UserDetailsService.class);
-		verifyNoMoreInteractions(beans);
+	}
+
+	@Test
+	public void createSecurityContextWithReactiveUserDetailsService() {
+		String username = "user";
+		when(withUserDetails.value()).thenReturn(username);
+		when(this.beans.getBean(ReactiveUserDetailsService.class)).thenReturn(this.reactiveUserDetailsService);
+		when(this.reactiveUserDetailsService.findByUsername(username)).thenReturn(Mono.just(userDetails));
+
+		SecurityContext context = factory.createSecurityContext(withUserDetails);
+		assertThat(context.getAuthentication()).isInstanceOf(
+			UsernamePasswordAuthenticationToken.class);
+		assertThat(context.getAuthentication().getPrincipal()).isEqualTo(userDetails);
+		verify(this.beans).getBean(ReactiveUserDetailsService.class);
+	}
+
+	@Test
+	public void createSecurityContextWithReactiveUserDetailsServiceAndBeanName() {
+		String beanName = "secondUserDetailsServiceBean";
+		String username = "user";
+		when(withUserDetails.value()).thenReturn(username);
+		when(withUserDetails.userDetailsServiceBeanName()).thenReturn(beanName);
+		when(this.beans.getBean(beanName, ReactiveUserDetailsService.class)).thenReturn(this.reactiveUserDetailsService);
+		when(this.reactiveUserDetailsService.findByUsername(username)).thenReturn(Mono.just(userDetails));
+
+		SecurityContext context = factory.createSecurityContext(withUserDetails);
+		assertThat(context.getAuthentication()).isInstanceOf(
+			UsernamePasswordAuthenticationToken.class);
+		assertThat(context.getAuthentication().getPrincipal()).isEqualTo(userDetails);
+		verify(this.beans).getBean(beanName, ReactiveUserDetailsService.class);
 	}
 }