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Restrict forwards in MockMvcWebConnection to 100

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This change restricts the maximum number of forwards in MockMvcWebConnection to 100,
in case a forward is configured in a way that causes a loop. This is necessary in HtmlUnit
backed tests, unlike in classic MockMvc tests in which the forwards are not actually resolved.

Closes gh-29483
Closes gh-29557

Co-authored-by: Simon Baslé <sbasle@vmware.com>
This commit is contained in:
Manthan Bhatt
2023-02-07 07:23:56 -08:00
committed by GitHub
parent 482482f62b
commit 89c170b095
3 changed files with 21 additions and 1 deletions
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9
spring-test/src/main/java/org/springframework/test/web/servlet/htmlunit/MockMvcWebConnection.java
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@@ -68,6 +68,8 @@ public final class MockMvcWebConnection implements WebConnection {
private WebClient webClient;
private static int MAX_FORWARDS = 100;
/**
* Create a new instance that assumes the context path of the application
@@ -133,10 +135,15 @@ public final class MockMvcWebConnection implements WebConnection {
MockHttpServletResponse httpServletResponse = getResponse(requestBuilder);
String forwardedUrl = httpServletResponse.getForwardedUrl();
while (forwardedUrl != null) {
int forwards = 0;
while (forwardedUrl != null && forwards < MAX_FORWARDS) {
requestBuilder.setForwardPostProcessor(new ForwardRequestPostProcessor(forwardedUrl));
httpServletResponse = getResponse(requestBuilder);
forwardedUrl = httpServletResponse.getForwardedUrl();
forwards += 1;
}
if (forwards == MAX_FORWARDS) {
throw new IllegalStateException("Forwarded more than " + forwards + " times in a row, potential infinite forward loop");
}
storeCookies(webRequest, httpServletResponse.getCookies());