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ContentCachingRequestWrapper supports content cache limit

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Issue: SPR-14829
(cherry picked from commit ad53867)
This commit is contained in:
Juergen Hoeller
2017-01-17 20:42:19 +01:00
parent 64d4afad9f
commit 4beeeb8118
4 changed files with 98 additions and 25 deletions
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8
spring-web/src/test/java/org/springframework/web/filter/RequestLoggingFilterTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 the original author or authors.
* Copyright 2002-2017 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.
@@ -29,6 +29,8 @@ import org.junit.Test;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockHttpServletResponse;
import org.springframework.util.FileCopyUtils;
import org.springframework.web.util.ContentCachingRequestWrapper;
import org.springframework.web.util.WebUtils;
import static org.junit.Assert.*;
@@ -51,7 +53,6 @@ public class RequestLoggingFilterTests {
request.setQueryString("booking=42");
FilterChain filterChain = new NoOpFilterChain();
filter.doFilter(request, response, filterChain);
assertNotNull(filter.beforeRequestMessage);
@@ -169,6 +170,9 @@ public class RequestLoggingFilterTests {
((HttpServletResponse) filterResponse).setStatus(HttpServletResponse.SC_OK);
byte[] buf = FileCopyUtils.copyToByteArray(filterRequest.getInputStream());
assertArrayEquals(requestBody, buf);
ContentCachingRequestWrapper wrapper =
WebUtils.getNativeRequest(filterRequest, ContentCachingRequestWrapper.class);
assertArrayEquals("Hel".getBytes("UTF-8"), wrapper.getContentAsByteArray());
}
};

64
spring-web/src/test/java/org/springframework/web/util/ContentCachingRequestWrapperTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2017 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.
@@ -13,15 +13,16 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.util;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.util.FileCopyUtils;
import static org.junit.Assert.*;
/**
* @author Brian Clozel
*/
@@ -31,12 +32,8 @@ public class ContentCachingRequestWrapperTests {
protected static final String CHARSET = "UTF-8";
private MockHttpServletRequest request;
private final MockHttpServletRequest request = new MockHttpServletRequest();
@Before
public void setup() throws Exception {
this.request = new MockHttpServletRequest();
}
@Test
public void cachedContent() throws Exception {
@@ -46,7 +43,41 @@ public class ContentCachingRequestWrapperTests {
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request);
byte[] response = FileCopyUtils.copyToByteArray(wrapper.getInputStream());
Assert.assertArrayEquals(response, wrapper.getContentAsByteArray());
assertArrayEquals(response, wrapper.getContentAsByteArray());
}
@Test
public void cachedContentWithLimit() throws Exception {
this.request.setMethod("GET");
this.request.setCharacterEncoding(CHARSET);
this.request.setContent("Hello World".getBytes(CHARSET));
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request, 3);
byte[] response = FileCopyUtils.copyToByteArray(wrapper.getInputStream());
assertArrayEquals("Hello World".getBytes(CHARSET), response);
assertArrayEquals("Hel".getBytes(CHARSET), wrapper.getContentAsByteArray());
}
@Test
public void cachedContentWithOverflow() throws Exception {
this.request.setMethod("GET");
this.request.setCharacterEncoding(CHARSET);
this.request.setContent("Hello World".getBytes(CHARSET));
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request, 3) {
@Override
protected void handleContentOverflow(int contentCacheLimit) {
throw new IllegalStateException(String.valueOf(contentCacheLimit));
}
};
try {
FileCopyUtils.copyToByteArray(wrapper.getInputStream());
fail("Should have thrown IllegalStateException");
}
catch (IllegalStateException ex) {
assertEquals("3", ex.getMessage());
}
}
@Test
@@ -55,29 +86,28 @@ public class ContentCachingRequestWrapperTests {
this.request.setContentType(FORM_CONTENT_TYPE);
this.request.setCharacterEncoding(CHARSET);
this.request.setParameter("first", "value");
this.request.setParameter("second", new String[] {"foo", "bar"});
this.request.setParameter("second", "foo", "bar");
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request);
// getting request parameters will consume the request body
Assert.assertFalse(wrapper.getParameterMap().isEmpty());
Assert.assertEquals("first=value&second=foo&second=bar", new String(wrapper.getContentAsByteArray()));
assertFalse(wrapper.getParameterMap().isEmpty());
assertEquals("first=value&second=foo&second=bar", new String(wrapper.getContentAsByteArray()));
// SPR-12810 : inputstream body should be consumed
Assert.assertEquals("", new String(FileCopyUtils.copyToByteArray(wrapper.getInputStream())));
assertEquals("", new String(FileCopyUtils.copyToByteArray(wrapper.getInputStream())));
}
// SPR-12810
@Test
@Test // SPR-12810
public void inputStreamFormPostRequest() throws Exception {
this.request.setMethod("POST");
this.request.setContentType(FORM_CONTENT_TYPE);
this.request.setCharacterEncoding(CHARSET);
this.request.setParameter("first", "value");
this.request.setParameter("second", new String[] {"foo", "bar"});
this.request.setParameter("second", "foo", "bar");
ContentCachingRequestWrapper wrapper = new ContentCachingRequestWrapper(this.request);
byte[] response = FileCopyUtils.copyToByteArray(wrapper.getInputStream());
Assert.assertArrayEquals(response, wrapper.getContentAsByteArray());
assertArrayEquals(response, wrapper.getContentAsByteArray());
}
}