spring ResourceHttpRequestHandlerTests 源码
spring ResourceHttpRequestHandlerTests 代码
文件路径:/spring-webmvc/src/test/java/org/springframework/web/servlet/resource/ResourceHttpRequestHandlerTests.java
/*
* 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.servlet.resource;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import jakarta.servlet.http.HttpServletResponse;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
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.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.util.StringUtils;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.accept.ContentNegotiationManager;
import org.springframework.web.accept.ContentNegotiationManagerFactoryBean;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.HandlerMapping;
import org.springframework.web.testfixture.servlet.MockHttpServletRequest;
import org.springframework.web.testfixture.servlet.MockHttpServletResponse;
import org.springframework.web.testfixture.servlet.MockServletContext;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
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 ResourceHttpRequestHandler}.
*
* @author Keith Donald
* @author Jeremy Grelle
* @author Rossen Stoyanchev
* @author Brian Clozel
*/
@ExtendWith(GzipSupport.class)
public class ResourceHttpRequestHandlerTests {
private ResourceHttpRequestHandler handler;
private MockHttpServletRequest request;
private MockHttpServletResponse response;
@BeforeEach
public void setup() throws Exception {
List<Resource> paths = new ArrayList<>(2);
paths.add(new ClassPathResource("test/", getClass()));
paths.add(new ClassPathResource("testalternatepath/", getClass()));
paths.add(new ClassPathResource("META-INF/resources/webjars/"));
TestServletContext servletContext = new TestServletContext();
this.handler = new ResourceHttpRequestHandler();
this.handler.setLocations(paths);
this.handler.setCacheSeconds(3600);
this.handler.setServletContext(servletContext);
this.handler.afterPropertiesSet();
this.request = new MockHttpServletRequest(servletContext, "GET", "");
this.response = new MockHttpServletResponse();
}
@Test
public void getResource() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/css");
assertThat(this.response.getContentLength()).isEqualTo(17);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("max-age=3600");
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("test/foo.css") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
assertThat(this.response.getContentAsString()).isEqualTo("h1 { color:red; }");
}
@Test
public void getResourceHttpHeader() throws Exception {
this.request.setMethod("HEAD");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(200);
assertThat(this.response.getContentType()).isEqualTo("text/css");
assertThat(this.response.getContentLength()).isEqualTo(17);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("max-age=3600");
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("test/foo.css") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges")).hasSize(1);
assertThat(this.response.getContentAsByteArray()).isEmpty();
}
@Test
public void getResourceHttpOptions() throws Exception {
this.request.setMethod("OPTIONS");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(200);
assertThat(this.response.getHeader("Allow")).isEqualTo("GET,HEAD,OPTIONS");
}
@Test
public void getResourceNoCache() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.setCacheSeconds(0);
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("no-store");
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("test/foo.css") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getVersionedResource() throws Exception {
VersionResourceResolver versionResolver = new VersionResourceResolver()
.addFixedVersionStrategy("versionString", "/**");
this.handler.setResourceResolvers(Arrays.asList(versionResolver, new PathResourceResolver()));
this.handler.afterPropertiesSet();
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "versionString/foo.css");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getHeader("ETag")).isEqualTo("W/\"versionString\"");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
@SuppressWarnings("deprecation")
public void getResourceHttp10BehaviorCache() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.setCacheSeconds(3600);
this.handler.setUseExpiresHeader(true);
this.handler.setUseCacheControlHeader(true);
this.handler.setAlwaysMustRevalidate(true);
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("max-age=3600, must-revalidate");
assertThat(this.response.getDateHeader("Expires") >= System.currentTimeMillis() - 1000 + (3600 * 1000)).isTrue();
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("test/foo.css") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
@SuppressWarnings("deprecation")
public void getResourceHttp10BehaviorNoCache() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.setCacheSeconds(0);
this.handler.setUseExpiresHeader(true);
this.handler.setUseCacheControlNoStore(false);
this.handler.setUseCacheControlHeader(true);
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getHeader("Pragma")).isEqualTo("no-cache");
assertThat(this.response.getHeaderValues("Cache-Control")).hasSize(1);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("no-cache");
assertThat(this.response.getDateHeader("Expires") <= System.currentTimeMillis()).isTrue();
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("test/foo.css") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getResourceWithHtmlMediaType() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.html");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/html");
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("max-age=3600");
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("test/foo.html") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void getResourceFromAlternatePath() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "baz.css");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/css");
assertThat(this.response.getContentLength()).isEqualTo(17);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("max-age=3600");
assertThat(this.response.containsHeader("Last-Modified")).isTrue();
assertThat(this.response.getDateHeader("Last-Modified") / 1000).isEqualTo(resourceLastModified("testalternatepath/baz.css") / 1000);
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
assertThat(this.response.getContentAsString()).isEqualTo("h1 { color:red; }");
}
@Test
public void getResourceFromSubDirectory() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "js/foo.js");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/javascript");
assertThat(this.response.getContentAsString()).isEqualTo("function foo() { console.log(\"hello world\"); }");
}
@Test
public void getResourceFromSubDirectoryOfAlternatePath() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "js/baz.js");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/javascript");
assertThat(this.response.getContentAsString()).isEqualTo("function foo() { console.log(\"hello world\"); }");
}
@Test // SPR-13658
@SuppressWarnings("deprecation")
public void getResourceWithRegisteredMediaType() throws Exception {
ContentNegotiationManagerFactoryBean factory = new ContentNegotiationManagerFactoryBean();
factory.addMediaType("bar", new MediaType("foo", "bar"));
factory.afterPropertiesSet();
ContentNegotiationManager manager = factory.getObject();
List<Resource> paths = Collections.singletonList(new ClassPathResource("test/", getClass()));
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setServletContext(new MockServletContext());
handler.setLocations(paths);
handler.setContentNegotiationManager(manager);
handler.afterPropertiesSet();
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.bar");
handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("foo/bar");
assertThat(this.response.getContentAsString()).isEqualTo("h1 { color:red; }");
}
@Test // SPR-14577
@SuppressWarnings("deprecation")
public void getMediaTypeWithFavorPathExtensionOff() throws Exception {
ContentNegotiationManagerFactoryBean factory = new ContentNegotiationManagerFactoryBean();
factory.setFavorPathExtension(false);
factory.afterPropertiesSet();
ContentNegotiationManager manager = factory.getObject();
List<Resource> paths = Collections.singletonList(new ClassPathResource("test/", getClass()));
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setServletContext(new MockServletContext());
handler.setLocations(paths);
handler.setContentNegotiationManager(manager);
handler.afterPropertiesSet();
this.request.addHeader("Accept", "application/json,text/plain,*/*");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.html");
handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/html");
}
@Test // SPR-14368
public void getResourceWithMediaTypeResolvedThroughServletContext() throws Exception {
MockServletContext servletContext = new MockServletContext() {
@Override
public String getMimeType(String filePath) {
return "foo/bar";
}
};
List<Resource> paths = Collections.singletonList(new ClassPathResource("test/", getClass()));
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setServletContext(servletContext);
handler.setLocations(paths);
handler.afterPropertiesSet();
MockHttpServletRequest request = new MockHttpServletRequest(servletContext, "GET", "");
request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
handler.handleRequest(request, this.response);
assertThat(this.response.getContentType()).isEqualTo("foo/bar");
assertThat(this.response.getContentAsString()).isEqualTo("h1 { color:red; }");
}
@Test // gh-27538, gh-27624
public void filterNonExistingLocations() throws Exception {
List<Resource> inputLocations = Arrays.asList(
new ClassPathResource("test/", getClass()),
new ClassPathResource("testalternatepath/", getClass()),
new ClassPathResource("nosuchpath/", getClass()));
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setServletContext(new MockServletContext());
handler.setLocations(inputLocations);
handler.setOptimizeLocations(true);
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
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(resource);
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setLocations(Collections.singletonList(new ClassPathResource("test/", getClass())));
handler.setResourceResolvers(Collections.singletonList(resolver));
handler.setServletContext(new TestServletContext());
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, ResourceHttpRequestHandler handler) throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, requestPath);
this.response = new MockHttpServletResponse();
handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(HttpStatus.NOT_FOUND.value());
}
@Test
public void resolvePathWithTraversal() throws Exception {
for (HttpMethod method : HttpMethod.values()) {
this.request = new MockHttpServletRequest("GET", "");
this.response = new MockHttpServletResponse();
testResolvePathWithTraversal(method);
}
}
private void testResolvePathWithTraversal(HttpMethod httpMethod) throws Exception {
this.request.setMethod(httpMethod.name());
Resource location = new ClassPathResource("test/", getClass());
this.handler.setLocations(Collections.singletonList(location));
testResolvePathWithTraversal(location, "../testsecret/secret.txt");
testResolvePathWithTraversal(location, "test/../../testsecret/secret.txt");
testResolvePathWithTraversal(location, ":/../../testsecret/secret.txt");
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(location, "file:" + secretPath);
testResolvePathWithTraversal(location, "/file:" + secretPath);
testResolvePathWithTraversal(location, "url:" + secretPath);
testResolvePathWithTraversal(location, "/url:" + secretPath);
testResolvePathWithTraversal(location, "/" + secretPath);
testResolvePathWithTraversal(location, "////../.." + secretPath);
testResolvePathWithTraversal(location, "/%2E%2E/testsecret/secret.txt");
testResolvePathWithTraversal(location, "%2F%2F%2E%2E%2F%2Ftestsecret/secret.txt");
testResolvePathWithTraversal(location, "/ " + secretPath);
}
private void testResolvePathWithTraversal(Resource location, String requestPath) throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, requestPath);
this.response = new MockHttpServletResponse();
this.handler.handleRequest(this.request, this.response);
if (!location.createRelative(requestPath).exists() && !requestPath.contains(":")) {
fail(requestPath + " doesn't actually exist as a relative path");
}
assertThat(this.response.getStatus()).isEqualTo(HttpStatus.NOT_FOUND.value());
}
@Test
public void ignoreInvalidEscapeSequence() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "/%foo%/bar.txt");
this.response = new MockHttpServletResponse();
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(404);
}
@Test
public void processPath() {
// Unchanged
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("/");
assertThat(this.handler.processPath("\\/ \\/ \\/ ")).isEqualTo("/");
// duplicate slash or backslash
assertThat(this.handler.processPath("//foo/ /bar//baz//")).isEqualTo("/foo/ /bar/baz/");
assertThat(this.handler.processPath("\\\\foo\\ \\bar\\\\baz\\\\")).isEqualTo("/foo/ /bar/baz/");
assertThat(this.handler.processPath("foo\\\\/\\////bar")).isEqualTo("foo/bar");
}
@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);
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setResourceResolvers(Collections.singletonList(pathResolver));
handler.setServletContext(new MockServletContext());
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 {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.request.addHeader("If-Modified-Since", resourceLastModified("test/foo.css"));
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_NOT_MODIFIED);
}
@Test
public void modified() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.request.addHeader("If-Modified-Since", resourceLastModified("test/foo.css") / 1000 * 1000 - 1);
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(HttpServletResponse.SC_OK);
assertThat(this.response.getContentAsString()).isEqualTo("h1 { color:red; }");
}
@Test
public void directory() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "js/");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(404);
}
@Test
public void directoryInJarFile() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "underscorejs/");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(404);
}
@Test
public void missingResourcePath() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(404);
}
@Test
public void noPathWithinHandlerMappingAttribute() throws Exception {
assertThatIllegalStateException().isThrownBy(() ->
this.handler.handleRequest(this.request, this.response));
}
@Test
public void unsupportedHttpMethod() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.request.setMethod("POST");
assertThatExceptionOfType(HttpRequestMethodNotSupportedException.class).isThrownBy(() ->
this.handler.handleRequest(this.request, this.response));
}
@Test
public void resourceNotFound() throws Exception {
for (HttpMethod method : HttpMethod.values()) {
this.request = new MockHttpServletRequest("GET", "");
this.response = new MockHttpServletResponse();
resourceNotFound(method);
}
}
private void resourceNotFound(HttpMethod httpMethod) throws Exception {
this.request.setMethod(httpMethod.name());
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "not-there.css");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(HttpStatus.NOT_FOUND.value());
}
@Test
public void partialContentByteRange() throws Exception {
this.request.addHeader("Range", "bytes=0-1");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType()).isEqualTo("text/plain");
assertThat(this.response.getContentLength()).isEqualTo(2);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 0-1/10");
assertThat(this.response.getContentAsString()).isEqualTo("So");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void partialContentByteRangeNoEnd() throws Exception {
this.request.addHeader("Range", "bytes=9-");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType()).isEqualTo("text/plain");
assertThat(this.response.getContentLength()).isEqualTo(1);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 9-9/10");
assertThat(this.response.getContentAsString()).isEqualTo(".");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void partialContentByteRangeLargeEnd() throws Exception {
this.request.addHeader("Range", "bytes=9-10000");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType()).isEqualTo("text/plain");
assertThat(this.response.getContentLength()).isEqualTo(1);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 9-9/10");
assertThat(this.response.getContentAsString()).isEqualTo(".");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void partialContentSuffixRange() throws Exception {
this.request.addHeader("Range", "bytes=-1");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType()).isEqualTo("text/plain");
assertThat(this.response.getContentLength()).isEqualTo(1);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 9-9/10");
assertThat(this.response.getContentAsString()).isEqualTo(".");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void partialContentSuffixRangeLargeSuffix() throws Exception {
this.request.addHeader("Range", "bytes=-11");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType()).isEqualTo("text/plain");
assertThat(this.response.getContentLength()).isEqualTo(10);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 0-9/10");
assertThat(this.response.getContentAsString()).isEqualTo("Some text.");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void partialContentInvalidRangeHeader() throws Exception {
this.request.addHeader("Range", "bytes= foo bar");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(416);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes */10");
assertThat(this.response.getHeader("Accept-Ranges")).isEqualTo("bytes");
assertThat(this.response.getHeaders("Accept-Ranges").size()).isEqualTo(1);
}
@Test
public void partialContentMultipleByteRanges() throws Exception {
this.request.addHeader("Range", "bytes=0-1, 4-5, 8-9");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType().startsWith("multipart/byteranges; boundary=")).isTrue();
String boundary = "--" + this.response.getContentType().substring(31);
String content = this.response.getContentAsString();
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.");
}
@Test // gh-25976
public void partialContentByteRangeWithEncodedResource(GzipSupport.GzippedFiles gzippedFiles) throws Exception {
String path = "js/foo.js";
gzippedFiles.create(path);
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setResourceResolvers(Arrays.asList(new EncodedResourceResolver(), new PathResourceResolver()));
handler.setLocations(Collections.singletonList(new ClassPathResource("test/", getClass())));
handler.setServletContext(new MockServletContext());
handler.afterPropertiesSet();
this.request.addHeader("Accept-Encoding", "gzip");
this.request.addHeader("Range", "bytes=0-1");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, path);
handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getHeaderNames()).containsExactlyInAnyOrder(
"Content-Type", "Content-Length", "Content-Range", "Accept-Ranges",
"Last-Modified", "Content-Encoding", "Vary");
assertThat(this.response.getContentType()).isEqualTo("text/javascript");
assertThat(this.response.getContentLength()).isEqualTo(2);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 0-1/66");
assertThat(this.response.getHeaderValues("Accept-Ranges")).containsExactly("bytes");
assertThat(this.response.getHeaderValues("Content-Encoding")).containsExactly("gzip");
assertThat(this.response.getHeaderValues("Vary")).containsExactly("Accept-Encoding");
}
@Test // gh-25976
public void partialContentWithHttpHead() throws Exception {
this.request.setMethod("HEAD");
this.request.addHeader("Range", "bytes=0-1");
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.txt");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getStatus()).isEqualTo(206);
assertThat(this.response.getContentType()).isEqualTo("text/plain");
assertThat(this.response.getContentLength()).isEqualTo(2);
assertThat(this.response.getHeader("Content-Range")).isEqualTo("bytes 0-1/10");
assertThat(this.response.getHeaderValues("Accept-Ranges")).containsExactly("bytes");
}
@Test // SPR-14005
public void doOverwriteExistingCacheControlHeaders() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.response.setHeader("Cache-Control", "no-store");
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getHeader("Cache-Control")).isEqualTo("max-age=3600");
}
@Test
public void ignoreLastModified() throws Exception {
this.request.setAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE, "foo.css");
this.handler.setUseLastModified(false);
this.handler.handleRequest(this.request, this.response);
assertThat(this.response.getContentType()).isEqualTo("text/css");
assertThat(this.response.getContentLength()).isEqualTo(17);
assertThat(this.response.containsHeader("Last-Modified")).isFalse();
assertThat(this.response.getContentAsString()).isEqualTo("h1 { color:red; }");
}
@Test
public void servletContextRootValidation() {
StaticWebApplicationContext context = new StaticWebApplicationContext() {
@Override
public Resource getResource(String location) {
return new FileSystemResource("/");
}
};
ResourceHttpRequestHandler handler = new ResourceHttpRequestHandler();
handler.setLocationValues(Collections.singletonList("/"));
handler.setApplicationContext(context);
assertThatIllegalStateException().isThrownBy(handler::afterPropertiesSet)
.withMessage("The String-based location \"/\" should be relative to the web application root but " +
"resolved to a Resource of type: class org.springframework.core.io.FileSystemResource. " +
"If this is intentional, please pass it as a pre-configured Resource via setLocations.");
}
private long resourceLastModified(String resourceName) throws IOException {
return new ClassPathResource(resourceName, getClass()).getFile().lastModified();
}
private static class TestServletContext extends MockServletContext {
@Override
public String getMimeType(String filePath) {
if (filePath.endsWith(".css")) {
return "text/css";
}
else if (filePath.endsWith(".js")) {
return "text/javascript";
}
else {
return super.getMimeType(filePath);
}
}
}
}
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