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ResourceWebHandlerTests.java
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ResourceWebHandlerTests.java
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/*
* Copyright 2002-2021 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.web.reactive.resource;
import java.io.IOException;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.UrlResource;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferUtils;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.http.CacheControl;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.server.PathContainer;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.HandlerMapping;
import org.springframework.web.server.MethodNotAllowedException;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.testfixture.http.server.reactive.MockServerHttpRequest;
import org.springframework.web.testfixture.http.server.reactive.MockServerHttpResponse;
import org.springframework.web.testfixture.server.MockServerWebExchange;
import org.springframework.web.util.UriUtils;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
import static org.assertj.core.api.Assertions.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
/**
* Unit tests for {@link ResourceWebHandler}.
*
* @author Rossen Stoyanchev
*/
public class ResourceWebHandlerTests {
private static final Duration TIMEOUT = Duration.ofSeconds(1);
private ResourceWebHandler handler;
@BeforeEach
public void setup() throws Exception {
List<Resource> locations = new ArrayList<>(2);
locations.add(new ClassPathResource("test/", getClass()));
locations.add(new ClassPathResource("testalternatepath/", getClass()));
locations.add(new ClassPathResource("META-INF/resources/webjars/"));
this.handler = new ResourceWebHandler();
this.handler.setLocations(locations);
this.handler.setCacheControl(CacheControl.maxAge(3600, TimeUnit.SECONDS));
this.handler.afterPropertiesSet();
}
@Test
public void getResource() throws Exception {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.parseMediaType("text/css"));
assertThat(headers.getContentLength()).isEqualTo(17);
assertThat(headers.getCacheControl()).isEqualTo("max-age=3600");
assertThat(headers.containsKey("Last-Modified")).isTrue();
assertThat(resourceLastModifiedDate("test/foo.css") / 1000).isEqualTo(headers.getLastModified() / 1000);
assertThat(headers.getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(headers.get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, "h1 { color:red; }");
}
@Test
public void getResourceHttpHeader() throws Exception {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.head(""));
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.handle(exchange).block(TIMEOUT);
assertThat((Object) exchange.getResponse().getStatusCode()).isNull();
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.parseMediaType("text/css"));
assertThat(headers.getContentLength()).isEqualTo(17);
assertThat(headers.getCacheControl()).isEqualTo("max-age=3600");
assertThat(headers.containsKey("Last-Modified")).isTrue();
assertThat(resourceLastModifiedDate("test/foo.css") / 1000).isEqualTo(headers.getLastModified() / 1000);
assertThat(headers.getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(headers.get("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getResourceHttpOptions() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.options(""));
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isNull();
assertThat(exchange.getResponse().getHeaders().getFirst("Allow")).isEqualTo("GET,HEAD,OPTIONS");
}
@Test
public void getResourceNoCache() throws Exception {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.setCacheControl(CacheControl.noStore());
this.handler.handle(exchange).block(TIMEOUT);
MockServerHttpResponse response = exchange.getResponse();
assertThat(response.getHeaders().getCacheControl()).isEqualTo("no-store");
assertThat(response.getHeaders().containsKey("Last-Modified")).isTrue();
assertThat(resourceLastModifiedDate("test/foo.css") / 1000).isEqualTo(response.getHeaders().getLastModified() / 1000);
assertThat(response.getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(response.getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getVersionedResource() throws Exception {
VersionResourceResolver versionResolver = new VersionResourceResolver();
versionResolver.addFixedVersionStrategy("versionString", "/**");
this.handler.setResourceResolvers(Arrays.asList(versionResolver, new PathResourceResolver()));
this.handler.afterPropertiesSet();
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "versionString/foo.css");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getHeaders().getETag()).isEqualTo("W/\"versionString\"");
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(exchange.getResponse().getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getResourceWithHtmlMediaType() throws Exception {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "foo.html");
this.handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.TEXT_HTML);
assertThat(headers.getCacheControl()).isEqualTo("max-age=3600");
assertThat(headers.containsKey("Last-Modified")).isTrue();
assertThat(resourceLastModifiedDate("test/foo.html") / 1000).isEqualTo(headers.getLastModified() / 1000);
assertThat(headers.getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(headers.get("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getResourceFromAlternatePath() throws Exception {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "baz.css");
this.handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.parseMediaType("text/css"));
assertThat(headers.getContentLength()).isEqualTo(17);
assertThat(headers.getCacheControl()).isEqualTo("max-age=3600");
assertThat(headers.containsKey("Last-Modified")).isTrue();
assertThat(resourceLastModifiedDate("testalternatepath/baz.css") / 1000).isEqualTo(headers.getLastModified() / 1000);
assertThat(headers.getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(headers.get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, "h1 { color:red; }");
}
@Test
public void getResourceFromSubDirectory() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "js/foo.js");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.parseMediaType("application/javascript"));
assertResponseBody(exchange, "function foo() { console.log(\"hello world\"); }");
}
@Test
public void getResourceFromSubDirectoryOfAlternatePath() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "js/baz.js");
this.handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.parseMediaType("application/javascript"));
assertResponseBody(exchange, "function foo() { console.log(\"hello world\"); }");
}
@Test
public void getResourceWithRegisteredMediaType() throws Exception {
MediaType mediaType = new MediaType("foo", "bar");
ResourceWebHandler handler = new ResourceWebHandler();
handler.setLocations(Collections.singletonList(new ClassPathResource("test/", getClass())));
handler.setMediaTypes(Collections.singletonMap("bar", mediaType));
handler.afterPropertiesSet();
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "foo.bar");
handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(mediaType);
assertResponseBody(exchange, "foo bar foo bar foo bar");
}
@Test
public void getResourceFromFileSystem() throws Exception {
String path = new ClassPathResource("", getClass()).getFile().getCanonicalPath()
.replace('\\', '/').replace("classes/java", "resources") + "/";
ResourceWebHandler handler = new ResourceWebHandler();
handler.setLocations(Collections.singletonList(new FileSystemResource(path)));
handler.afterPropertiesSet();
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, UriUtils.encodePath("test/foo with spaces.css", UTF_8));
handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.parseMediaType("text/css"));
assertThat(headers.getContentLength()).isEqualTo(17);
assertResponseBody(exchange, "h1 { color:red; }");
}
@Test // gh-27538
public void filterNonExistingLocations() throws Exception {
List<Resource> inputLocations = Arrays.asList(
new ClassPathResource("test/", getClass()),
new ClassPathResource("testalternatepath/", getClass()),
new ClassPathResource("nosuchpath/", getClass()));
ResourceWebHandler handler = new ResourceWebHandler();
handler.setLocations(inputLocations);
handler.afterPropertiesSet();
List<Resource> actual = handler.getLocations();
assertThat(actual).hasSize(2);
assertThat(actual.get(0).getURL().toString()).endsWith("test/");
assertThat(actual.get(1).getURL().toString()).endsWith("testalternatepath/");
}
@Test // SPR-14577
public void getMediaTypeWithFavorPathExtensionOff() throws Exception {
List<Resource> paths = Collections.singletonList(new ClassPathResource("test/", getClass()));
ResourceWebHandler handler = new ResourceWebHandler();
handler.setLocations(paths);
handler.afterPropertiesSet();
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get("")
.header("Accept", "application/json,text/plain,*/*"));
setPathWithinHandlerMapping(exchange, "foo.html");
handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.TEXT_HTML);
}
@Test
public void testInvalidPath() throws Exception {
// Use mock ResourceResolver: i.e. we're only testing upfront validations...
Resource resource = mock(Resource.class);
given(resource.getFilename()).willThrow(new AssertionError("Resource should not be resolved"));
given(resource.getInputStream()).willThrow(new AssertionError("Resource should not be resolved"));
ResourceResolver resolver = mock(ResourceResolver.class);
given(resolver.resolveResource(any(), any(), any(), any())).willReturn(Mono.just(resource));
ResourceWebHandler handler = new ResourceWebHandler();
handler.setLocations(Collections.singletonList(new ClassPathResource("test/", getClass())));
handler.setResourceResolvers(Collections.singletonList(resolver));
handler.afterPropertiesSet();
testInvalidPath("../testsecret/secret.txt", handler);
testInvalidPath("test/../../testsecret/secret.txt", handler);
testInvalidPath(":/../../testsecret/secret.txt", handler);
Resource location = new UrlResource(getClass().getResource("./test/"));
this.handler.setLocations(Collections.singletonList(location));
Resource secretResource = new UrlResource(getClass().getResource("testsecret/secret.txt"));
String secretPath = secretResource.getURL().getPath();
testInvalidPath("file:" + secretPath, handler);
testInvalidPath("/file:" + secretPath, handler);
testInvalidPath("url:" + secretPath, handler);
testInvalidPath("/url:" + secretPath, handler);
testInvalidPath("/../.." + secretPath, handler);
testInvalidPath("/%2E%2E/testsecret/secret.txt", handler);
testInvalidPath("/%2E%2E/testsecret/secret.txt", handler);
testInvalidPath("%2F%2F%2E%2E%2F%2F%2E%2E" + secretPath, handler);
}
private void testInvalidPath(String requestPath, ResourceWebHandler handler) {
ServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, requestPath);
StepVerifier.create(handler.handle(exchange))
.expectErrorSatisfies(err -> {
assertThat(err).isInstanceOf(ResponseStatusException.class);
assertThat(((ResponseStatusException) err).getRawStatusCode()).isEqualTo(404);
}).verify(TIMEOUT);
}
@Test
public void testResolvePathWithTraversal() throws Exception {
for (HttpMethod method : HttpMethod.values()) {
testResolvePathWithTraversal(method);
}
}
private void testResolvePathWithTraversal(HttpMethod httpMethod) throws Exception {
Resource location = new ClassPathResource("test/", getClass());
this.handler.setLocations(Collections.singletonList(location));
testResolvePathWithTraversal(httpMethod, "../testsecret/secret.txt", location);
testResolvePathWithTraversal(httpMethod, "test/../../testsecret/secret.txt", location);
testResolvePathWithTraversal(httpMethod, ":/../../testsecret/secret.txt", location);
location = new UrlResource(getClass().getResource("./test/"));
this.handler.setLocations(Collections.singletonList(location));
Resource secretResource = new UrlResource(getClass().getResource("testsecret/secret.txt"));
String secretPath = secretResource.getURL().getPath();
testResolvePathWithTraversal(httpMethod, "file:" + secretPath, location);
testResolvePathWithTraversal(httpMethod, "/file:" + secretPath, location);
testResolvePathWithTraversal(httpMethod, "url:" + secretPath, location);
testResolvePathWithTraversal(httpMethod, "/url:" + secretPath, location);
testResolvePathWithTraversal(httpMethod, "////../.." + secretPath, location);
testResolvePathWithTraversal(httpMethod, "/%2E%2E/testsecret/secret.txt", location);
testResolvePathWithTraversal(httpMethod, "%2F%2F%2E%2E%2F%2Ftestsecret/secret.txt", location);
testResolvePathWithTraversal(httpMethod, "url:" + secretPath, location);
// The following tests fail with a MalformedURLException on Windows
// testResolvePathWithTraversal(location, "/" + secretPath);
// testResolvePathWithTraversal(location, "/ " + secretPath);
}
private void testResolvePathWithTraversal(HttpMethod httpMethod, String requestPath, Resource location)
throws Exception {
ServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.method(httpMethod, ""));
setPathWithinHandlerMapping(exchange, requestPath);
StepVerifier.create(this.handler.handle(exchange))
.expectErrorSatisfies(err -> {
assertThat(err).isInstanceOf(ResponseStatusException.class);
assertThat(((ResponseStatusException) err).getRawStatusCode()).isEqualTo(404);
})
.verify(TIMEOUT);
if (!location.createRelative(requestPath).exists() && !requestPath.contains(":")) {
fail(requestPath + " doesn't actually exist as a relative path");
}
}
@Test
public void processPath() {
assertThat(this.handler.processPath("/foo/bar")).isSameAs("/foo/bar");
assertThat(this.handler.processPath("foo/bar")).isSameAs("foo/bar");
// leading whitespace control characters (00-1F)
assertThat(this.handler.processPath(" /foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath((char) 1 + "/foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath((char) 31 + "/foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath(" foo/bar")).isEqualTo("foo/bar");
assertThat(this.handler.processPath((char) 31 + "foo/bar")).isEqualTo("foo/bar");
// leading control character 0x7F (DEL)
assertThat(this.handler.processPath((char) 127 + "/foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath((char) 127 + "/foo/bar")).isEqualTo("/foo/bar");
// leading control and '/' characters
assertThat(this.handler.processPath(" / foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath(" / / foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath(" // /// //// foo/bar")).isEqualTo("/foo/bar");
assertThat(this.handler.processPath((char) 1 + " / " + (char) 127 + " // foo/bar")).isEqualTo("/foo/bar");
// root or empty path
assertThat(this.handler.processPath(" ")).isEqualTo("");
assertThat(this.handler.processPath("/")).isEqualTo("/");
assertThat(this.handler.processPath("///")).isEqualTo("/");
assertThat(this.handler.processPath("/ / / ")).isEqualTo("/");
}
@Test
public void initAllowedLocations() {
PathResourceResolver resolver = (PathResourceResolver) this.handler.getResourceResolvers().get(0);
Resource[] locations = resolver.getAllowedLocations();
assertThat(locations.length).isEqualTo(3);
assertThat(((ClassPathResource) locations[0]).getPath()).isEqualTo("test/");
assertThat(((ClassPathResource) locations[1]).getPath()).isEqualTo("testalternatepath/");
assertThat(((ClassPathResource) locations[2]).getPath()).isEqualTo("META-INF/resources/webjars/");
}
@Test
public void initAllowedLocationsWithExplicitConfiguration() throws Exception {
ClassPathResource location1 = new ClassPathResource("test/", getClass());
ClassPathResource location2 = new ClassPathResource("testalternatepath/", getClass());
PathResourceResolver pathResolver = new PathResourceResolver();
pathResolver.setAllowedLocations(location1);
ResourceWebHandler handler = new ResourceWebHandler();
handler.setResourceResolvers(Collections.singletonList(pathResolver));
handler.setLocations(Arrays.asList(location1, location2));
handler.afterPropertiesSet();
Resource[] locations = pathResolver.getAllowedLocations();
assertThat(locations.length).isEqualTo(1);
assertThat(((ClassPathResource) locations[0]).getPath()).isEqualTo("test/");
}
@Test
public void notModified() throws Exception {
MockServerWebExchange exchange = MockServerWebExchange.from(
MockServerHttpRequest.get("").ifModifiedSince(resourceLastModified("test/foo.css")));
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.NOT_MODIFIED);
}
@Test
public void modified() throws Exception {
long timestamp = resourceLastModified("test/foo.css") / 1000 * 1000 - 1;
MockServerHttpRequest request = MockServerHttpRequest.get("").ifModifiedSince(timestamp).build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.handle(exchange).block(TIMEOUT);
assertThat((Object) exchange.getResponse().getStatusCode()).isNull();
assertResponseBody(exchange, "h1 { color:red; }");
}
@Test
public void directory() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "js/");
StepVerifier.create(this.handler.handle(exchange))
.expectErrorSatisfies(err -> {
assertThat(err).isInstanceOf(ResponseStatusException.class);
assertThat(((ResponseStatusException) err).getRawStatusCode()).isEqualTo(404);
}).verify(TIMEOUT);
}
@Test
public void directoryInJarFile() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "underscorejs/");
StepVerifier.create(this.handler.handle(exchange))
.expectErrorSatisfies(err -> {
assertThat(err).isInstanceOf(ResponseStatusException.class);
assertThat(((ResponseStatusException) err).getRawStatusCode()).isEqualTo(404);
}).verify(TIMEOUT);
}
@Test
public void missingResourcePath() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "");
StepVerifier.create(this.handler.handle(exchange))
.expectErrorSatisfies(err -> {
assertThat(err).isInstanceOf(ResponseStatusException.class);
assertThat(((ResponseStatusException) err).getRawStatusCode()).isEqualTo(404);
}).verify(TIMEOUT);
}
@Test
public void noPathWithinHandlerMappingAttribute() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
assertThatIllegalArgumentException().isThrownBy(() ->
this.handler.handle(exchange).block(TIMEOUT));
}
@Test
public void unsupportedHttpMethod() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.post(""));
setPathWithinHandlerMapping(exchange, "foo.css");
assertThatExceptionOfType(MethodNotAllowedException.class).isThrownBy(() ->
this.handler.handle(exchange).block(TIMEOUT));
}
@Test
public void resourceNotFound() throws Exception {
for (HttpMethod method : HttpMethod.values()) {
resourceNotFound(method);
}
}
private void resourceNotFound(HttpMethod httpMethod) {
MockServerHttpRequest request = MockServerHttpRequest.method(httpMethod, "").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "not-there.css");
Mono<Void> mono = this.handler.handle(exchange);
StepVerifier.create(mono)
.expectErrorSatisfies(err -> {
assertThat(err).isInstanceOf(ResponseStatusException.class);
assertThat(((ResponseStatusException) err).getRawStatusCode()).isEqualTo(404);
}).verify(TIMEOUT);
// SPR-17475
AtomicReference<Throwable> exceptionRef = new AtomicReference<>();
StepVerifier.create(mono).consumeErrorWith(exceptionRef::set).verify();
StepVerifier.create(mono).consumeErrorWith(ex -> assertThat(ex).isNotSameAs(exceptionRef.get())).verify();
}
@Test
public void partialContentByteRange() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("Range", "bytes=0-1").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.PARTIAL_CONTENT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.TEXT_PLAIN);
assertThat(exchange.getResponse().getHeaders().getContentLength()).isEqualTo(2);
assertThat(exchange.getResponse().getHeaders().getFirst("Content-Range")).isEqualTo("bytes 0-1/10");
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(exchange.getResponse().getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, "So");
}
@Test
public void partialContentByteRangeNoEnd() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("range", "bytes=9-").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.PARTIAL_CONTENT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.TEXT_PLAIN);
assertThat(exchange.getResponse().getHeaders().getContentLength()).isEqualTo(1);
assertThat(exchange.getResponse().getHeaders().getFirst("Content-Range")).isEqualTo("bytes 9-9/10");
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(exchange.getResponse().getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, ".");
}
@Test
public void partialContentByteRangeLargeEnd() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("range", "bytes=9-10000").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.PARTIAL_CONTENT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.TEXT_PLAIN);
assertThat(exchange.getResponse().getHeaders().getContentLength()).isEqualTo(1);
assertThat(exchange.getResponse().getHeaders().getFirst("Content-Range")).isEqualTo("bytes 9-9/10");
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(exchange.getResponse().getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, ".");
}
@Test
public void partialContentSuffixRange() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("range", "bytes=-1").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.PARTIAL_CONTENT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.TEXT_PLAIN);
assertThat(exchange.getResponse().getHeaders().getContentLength()).isEqualTo(1);
assertThat(exchange.getResponse().getHeaders().getFirst("Content-Range")).isEqualTo("bytes 9-9/10");
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(exchange.getResponse().getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, ".");
}
@Test
public void partialContentSuffixRangeLargeSuffix() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("range", "bytes=-11").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.PARTIAL_CONTENT);
assertThat(exchange.getResponse().getHeaders().getContentType()).isEqualTo(MediaType.TEXT_PLAIN);
assertThat(exchange.getResponse().getHeaders().getContentLength()).isEqualTo(10);
assertThat(exchange.getResponse().getHeaders().getFirst("Content-Range")).isEqualTo("bytes 0-9/10");
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
assertThat(exchange.getResponse().getHeaders().get("Accept-Ranges").size()).isEqualTo(1);
assertResponseBody(exchange, "Some text.");
}
@Test
public void partialContentInvalidRangeHeader() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("range", "bytes=foo bar").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
StepVerifier.create(this.handler.handle(exchange))
.expectNextCount(0)
.expectComplete()
.verify();
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.REQUESTED_RANGE_NOT_SATISFIABLE);
assertThat(exchange.getResponse().getHeaders().getFirst("Accept-Ranges")).isEqualTo("bytes");
}
@Test
public void partialContentMultipleByteRanges() {
MockServerHttpRequest request = MockServerHttpRequest.get("").header("Range", "bytes=0-1, 4-5, 8-9").build();
MockServerWebExchange exchange = MockServerWebExchange.from(request);
setPathWithinHandlerMapping(exchange, "foo.txt");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getStatusCode()).isEqualTo(HttpStatus.PARTIAL_CONTENT);
assertThat(exchange.getResponse().getHeaders().getContentType().toString()
.startsWith("multipart/byteranges;boundary=")).isTrue();
String boundary = "--" + exchange.getResponse().getHeaders().getContentType().toString().substring(30);
Mono<DataBuffer> reduced = Flux.from(exchange.getResponse().getBody())
.reduce(DefaultDataBufferFactory.sharedInstance.allocateBuffer(), (previous, current) -> {
previous.write(current);
DataBufferUtils.release(current);
return previous;
});
StepVerifier.create(reduced)
.consumeNextWith(buf -> {
String content = buf.toString(UTF_8);
String[] ranges = StringUtils.tokenizeToStringArray(content, "\r\n", false, true);
assertThat(ranges[0]).isEqualTo(boundary);
assertThat(ranges[1]).isEqualTo("Content-Type: text/plain");
assertThat(ranges[2]).isEqualTo("Content-Range: bytes 0-1/10");
assertThat(ranges[3]).isEqualTo("So");
assertThat(ranges[4]).isEqualTo(boundary);
assertThat(ranges[5]).isEqualTo("Content-Type: text/plain");
assertThat(ranges[6]).isEqualTo("Content-Range: bytes 4-5/10");
assertThat(ranges[7]).isEqualTo(" t");
assertThat(ranges[8]).isEqualTo(boundary);
assertThat(ranges[9]).isEqualTo("Content-Type: text/plain");
assertThat(ranges[10]).isEqualTo("Content-Range: bytes 8-9/10");
assertThat(ranges[11]).isEqualTo("t.");
})
.expectComplete()
.verify();
}
@Test // SPR-14005
public void doOverwriteExistingCacheControlHeaders() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
exchange.getResponse().getHeaders().setCacheControl(CacheControl.noStore().getHeaderValue());
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.handle(exchange).block(TIMEOUT);
assertThat(exchange.getResponse().getHeaders().getCacheControl()).isEqualTo("max-age=3600");
}
@Test
void ignoreLastModified() {
MockServerWebExchange exchange = MockServerWebExchange.from(MockServerHttpRequest.get(""));
setPathWithinHandlerMapping(exchange, "foo.css");
this.handler.setUseLastModified(false);
this.handler.handle(exchange).block(TIMEOUT);
HttpHeaders headers = exchange.getResponse().getHeaders();
assertThat(headers.getContentType()).isEqualTo(MediaType.parseMediaType("text/css"));
assertThat(headers.getContentLength()).isEqualTo(17);
assertThat(headers.containsKey("Last-Modified")).isFalse();
assertResponseBody(exchange, "h1 { color:red; }");
}
private void setPathWithinHandlerMapping(ServerWebExchange exchange, String path) {
exchange.getAttributes().put(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE,
PathContainer.parsePath(path));
}
private long resourceLastModified(String resourceName) throws IOException {
return new ClassPathResource(resourceName, getClass()).getFile().lastModified();
}
private long resourceLastModifiedDate(String resourceName) throws IOException {
return new ClassPathResource(resourceName, getClass()).getFile().lastModified();
}
private void assertResponseBody(MockServerWebExchange exchange, String responseBody) {
StepVerifier.create(exchange.getResponse().getBody())
.consumeNextWith(buf -> assertThat(buf.toString(UTF_8)).isEqualTo(responseBody))
.expectComplete()
.verify();
}
}