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Protect against RFD exploits

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Issue: SPR-13548
This commit is contained in:
Rossen Stoyanchev
2015-10-09 13:51:50 -04:00
committed by Stephane Nicoll
parent 271e5fd76a
commit a95c3d820d
19 changed files with 421 additions and 97 deletions
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1
spring-web/src/main/java/org/springframework/http/converter/json/MappingJackson2HttpMessageConverter.java
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@@ -96,6 +96,7 @@ public class MappingJackson2HttpMessageConverter extends AbstractJackson2HttpMes
String jsonpFunction =
(object instanceof MappingJacksonValue ? ((MappingJacksonValue) object).getJsonpFunction() : null);
if (jsonpFunction != null) {
generator.writeRaw("/**/");
generator.writeRaw(jsonpFunction + "(");
}
}

6
spring-web/src/main/java/org/springframework/web/accept/ContentNegotiationManagerFactoryBean.java
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@@ -141,6 +141,10 @@ public class ContentNegotiationManagerFactoryBean
this.useJaf = useJaf;
}
private boolean isUseJafTurnedOff() {
return (this.useJaf != null && !this.useJaf);
}
/**
* Indicate whether a request parameter should be used to determine the
* requested media type with the <em>2nd highest priority</em>, i.e.
@@ -211,7 +215,7 @@ public class ContentNegotiationManagerFactoryBean
if (this.favorPathExtension) {
PathExtensionContentNegotiationStrategy strategy;
if (this.servletContext != null) {
if (this.servletContext != null && !isUseJafTurnedOff()) {
strategy = new ServletPathExtensionContentNegotiationStrategy(this.servletContext, this.mediaTypes);
}
else {

4
spring-web/src/main/java/org/springframework/web/accept/PathExtensionContentNegotiationStrategy.java
View File

@@ -64,7 +64,7 @@ public class PathExtensionContentNegotiationStrategy extends AbstractMappingCont
urlPathHelper.setUrlDecode(false);
}
private boolean useJaf = JAF_PRESENT;
private boolean useJaf = true;
private boolean ignoreUnknownExtensions = true;
@@ -130,7 +130,7 @@ public class PathExtensionContentNegotiationStrategy extends AbstractMappingCont
protected MediaType handleNoMatch(NativeWebRequest webRequest, String extension)
throws HttpMediaTypeNotAcceptableException {
if (this.useJaf) {
if (this.useJaf && JAF_PRESENT) {
MediaType jafMediaType = JafMediaTypeFactory.getMediaType("file." + extension);
if (jafMediaType != null && !MediaType.APPLICATION_OCTET_STREAM.equals(jafMediaType)) {
return jafMediaType;

2
spring-web/src/main/java/org/springframework/web/util/UrlPathHelper.java
View File

@@ -405,7 +405,7 @@ public class UrlPathHelper {
* @see java.net.URLDecoder#decode(String)
*/
public String decodeRequestString(HttpServletRequest request, String source) {
if (this.urlDecode) {
if (this.urlDecode && source != null) {
return decodeInternal(request, source);
}
return source;

11
spring-web/src/main/java/org/springframework/web/util/WebUtils.java
View File

@@ -728,20 +728,23 @@ public abstract class WebUtils {
}
/**
* Extract the full URL filename (including file extension) from the given request URL path.
* Correctly resolves nested paths such as "/products/view.html" as well.
* Extract the full URL filename (including file extension) from the given
* request URL path. Correctly resolve nested paths such as
* "/products/view.html" and remove any path and or query parameters.
* @param urlPath the request URL path (e.g. "/products/index.html")
* @return the extracted URI filename (e.g. "index.html")
*/
public static String extractFullFilenameFromUrlPath(String urlPath) {
int end = urlPath.indexOf(';');
int end = urlPath.indexOf('?');
if (end == -1) {
end = urlPath.indexOf('?');
end = urlPath.indexOf('#');
if (end == -1) {
end = urlPath.length();
}
}
int begin = urlPath.lastIndexOf('/', end) + 1;
int paramIndex = urlPath.indexOf(';', begin);
end = (paramIndex != -1 && paramIndex < end ? paramIndex : end);
return urlPath.substring(begin, end);
}

4
spring-web/src/test/java/org/springframework/http/converter/json/MappingJackson2HttpMessageConverterTests.java
View File

@@ -267,7 +267,7 @@ public class MappingJackson2HttpMessageConverterTests {
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
this.converter.writeInternal(jacksonValue, outputMessage);
assertEquals("callback(\"foo\");", outputMessage.getBodyAsString(Charset.forName("UTF-8")));
assertEquals("/**/callback(\"foo\");", outputMessage.getBodyAsString(Charset.forName("UTF-8")));
}
@Test
@@ -284,7 +284,7 @@ public class MappingJackson2HttpMessageConverterTests {
this.converter.writeInternal(jacksonValue, outputMessage);
String result = outputMessage.getBodyAsString(Charset.forName("UTF-8"));
assertThat(result, startsWith("callback("));
assertThat(result, startsWith("/**/callback("));
assertThat(result, endsWith(");"));
assertThat(result, containsString("\"withView1\":\"with\""));
assertThat(result, not(containsString("\"withView2\":\"with\"")));

85
spring-web/src/test/java/org/springframework/web/accept/ContentNegotiationManagerFactoryBeanTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2015 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.
@@ -15,7 +15,6 @@
*/
package org.springframework.web.accept;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
@@ -25,11 +24,13 @@ import org.junit.Test;
import org.springframework.http.MediaType;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockServletContext;
import org.springframework.util.StringUtils;
import org.springframework.web.HttpMediaTypeNotAcceptableException;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import static org.junit.Assert.*;
import static org.junit.Assert.assertEquals;
/**
* Test fixture for {@link ContentNegotiationManagerFactoryBean} tests.
@@ -46,7 +47,10 @@ public class ContentNegotiationManagerFactoryBeanTests {
@Before
public void setup() {
this.servletRequest = new MockHttpServletRequest();
TestServletContext servletContext = new TestServletContext();
servletContext.getMimeTypes().put("foo", "application/foo");
this.servletRequest = new MockHttpServletRequest(servletContext);
this.webRequest = new ServletWebRequest(this.servletRequest);
this.factoryBean = new ContentNegotiationManagerFactoryBean();
@@ -62,7 +66,7 @@ public class ContentNegotiationManagerFactoryBeanTests {
this.servletRequest.setRequestURI("/flower.gif");
assertEquals("Should be able to resolve file extensions by default",
Arrays.asList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
Collections.singletonList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.xyz");
@@ -79,26 +83,46 @@ public class ContentNegotiationManagerFactoryBeanTests {
this.servletRequest.addHeader("Accept", MediaType.IMAGE_GIF_VALUE);
assertEquals("Should resolve Accept header by default",
Arrays.asList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
Collections.singletonList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
}
@Test
public void addMediaTypes() throws Exception {
Map<String, MediaType> mediaTypes = new HashMap<>();
mediaTypes.put("json", MediaType.APPLICATION_JSON);
this.factoryBean.addMediaTypes(mediaTypes);
public void favorPath() throws Exception {
this.factoryBean.setFavorPathExtension(true);
this.factoryBean.addMediaTypes(Collections.singletonMap("bar", new MediaType("application", "bar")));
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower.json");
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON), manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.foo");
assertEquals(Collections.singletonList(new MediaType("application", "foo")),
manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.bar");
assertEquals(Collections.singletonList(new MediaType("application", "bar")),
manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.gif");
assertEquals(Collections.singletonList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
}
@Test
public void favorPathWithJafTurnedOff() throws Exception {
this.factoryBean.setFavorPathExtension(true);
this.factoryBean.setUseJaf(false);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower.foo");
assertEquals(Collections.emptyList(), manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.gif");
assertEquals(Collections.emptyList(), manager.resolveMediaTypes(this.webRequest));
}
// SPR-10170
@Test(expected = HttpMediaTypeNotAcceptableException.class)
public void favorPathExtensionWithUnknownMediaType() throws Exception {
public void favorPathWithIgnoreUnknownPathExtensionTurnedOff() throws Exception {
this.factoryBean.setFavorPathExtension(true);
this.factoryBean.setIgnoreUnknownPathExtensions(false);
this.factoryBean.afterPropertiesSet();
@@ -124,7 +148,8 @@ public class ContentNegotiationManagerFactoryBeanTests {
this.servletRequest.setRequestURI("/flower");
this.servletRequest.addParameter("format", "json");
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON), manager.resolveMediaTypes(this.webRequest));
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
}
// SPR-10170
@@ -159,26 +184,48 @@ public class ContentNegotiationManagerFactoryBeanTests {
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON), manager.resolveMediaTypes(this.webRequest));
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
// SPR-10513
this.servletRequest.addHeader("Accept", MediaType.ALL_VALUE);
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON), manager.resolveMediaTypes(this.webRequest));
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
}
// SPR-12286
@Test
public void setDefaultContentTypeWithStrategy() throws Exception {
this.factoryBean.setDefaultContentTypeStrategy(new FixedContentNegotiationStrategy(MediaType.APPLICATION_JSON));
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON), manager.resolveMediaTypes(this.webRequest));
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
this.servletRequest.addHeader("Accept", MediaType.ALL_VALUE);
assertEquals(Arrays.asList(MediaType.APPLICATION_JSON), manager.resolveMediaTypes(this.webRequest));
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
}
private static class TestServletContext extends MockServletContext {
private final Map<String, String> mimeTypes = new HashMap<>();
public Map<String, String> getMimeTypes() {
return this.mimeTypes;
}
@Override
public String getMimeType(String filePath) {
String extension = StringUtils.getFilenameExtension(filePath);
return getMimeTypes().get(extension);
}
}
}

8
spring-web/src/test/java/org/springframework/web/util/WebUtilsTests.java
View File

@@ -70,9 +70,17 @@ public class WebUtilsTests {
assertEquals("index.html", WebUtils.extractFullFilenameFromUrlPath("index.html"));
assertEquals("index.html", WebUtils.extractFullFilenameFromUrlPath("/index.html"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html#/a"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html#/path/a"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html#/path/a.do"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html?param=a"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html?param=/path/a"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html?param=/path/a.do"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html?param=/path/a#/path/a"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products/view.html?param=/path/a.do#/path/a.do"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products;q=11/view.html?param=/path/a.do"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products;q=11/view.html;r=22?param=/path/a.do"));
assertEquals("view.html", WebUtils.extractFullFilenameFromUrlPath("/products;q=11/view.html;r=22;s=33?param=/path/a.do"));
}
@Test