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Compare encoded params in AbstractFlashMapManager

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AbstractFlashMapManager no longer decodes the target query parameters
it needs to use to match to the request after the redirect.

Instead it stores query parameters as-is adn then relies on parsing the
encoded query string after the redirect.

Issue: SPR-12569
This commit is contained in:
Rossen Stoyanchev
2015-03-19 16:57:26 -04:00
parent 46537a76ed
commit de9c9febc3
3 changed files with 68 additions and 38 deletions
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33
spring-webmvc/src/main/java/org/springframework/web/servlet/support/AbstractFlashMapManager.java
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@@ -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.
@@ -16,11 +16,11 @@
package org.springframework.web.servlet.support;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@@ -30,12 +30,13 @@ import org.apache.commons.logging.LogFactory;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
import org.springframework.util.MultiValueMap;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.FlashMap;
import org.springframework.web.servlet.FlashMapManager;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UrlPathHelper;
/**
* A base class for {@link FlashMapManager} implementations.
*
@@ -172,10 +173,16 @@ public abstract class AbstractFlashMapManager implements FlashMapManager {
return false;
}
}
MultiValueMap<String, String> targetParams = flashMap.getTargetRequestParams();
for (String expectedName : targetParams.keySet()) {
for (String expectedValue : targetParams.get(expectedName)) {
if (!ObjectUtils.containsElement(request.getParameterValues(expectedName), expectedValue)) {
UriComponents uriComponents = ServletUriComponentsBuilder.fromRequest(request).build();
MultiValueMap<String, String> actualParams = uriComponents.getQueryParams();
MultiValueMap<String, String> expectedParams = flashMap.getTargetRequestParams();
for (String expectedName : expectedParams.keySet()) {
List<String> actualValues = actualParams.get(expectedName);
if (actualValues == null) {
return false;
}
for (String expectedValue : expectedParams.get(expectedName)) {
if (!actualValues.contains(expectedValue)) {
return false;
}
}
@@ -191,7 +198,6 @@ public abstract class AbstractFlashMapManager implements FlashMapManager {
String path = decodeAndNormalizePath(flashMap.getTargetRequestPath(), request);
flashMap.setTargetRequestPath(path);
decodeParameters(flashMap.getTargetRequestParams(), request);
if (logger.isDebugEnabled()) {
logger.debug("Saving FlashMap=" + flashMap);
@@ -227,17 +233,6 @@ public abstract class AbstractFlashMapManager implements FlashMapManager {
return path;
}
private void decodeParameters(MultiValueMap<String, String> params, HttpServletRequest request) {
for (String name : new ArrayList<String>(params.keySet())) {
for (String value : new ArrayList<String>(params.remove(name))) {
name = getUrlPathHelper().decodeRequestString(request, name);
value = getUrlPathHelper().decodeRequestString(request, value);
params.add(name, value);
}
}
}
/**
* Retrieve saved FlashMap instances from the underlying storage.
* @param request the current request