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Fix check then act issue (#2160)

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This commit is contained in:
Olivier Bourgain
2017-08-04 21:40:10 +02:00
committed by Spencer Gibb
parent 481e31220b
commit a01fc5b758
1 changed files with 7 additions and 3 deletions
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10
spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/pre/FormBodyWrapperFilter.java
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@@ -140,7 +140,7 @@ public class FormBodyWrapperFilter extends ZuulFilter {
private HttpServletRequest request;
private byte[] contentData;
private volatile byte[] contentData;
private MediaType contentType;
@@ -183,6 +183,9 @@ public class FormBodyWrapperFilter extends ZuulFilter {
}
private synchronized void buildContentData() {
if (this.contentData != null) {
return;
}
try {
MultiValueMap<String, Object> builder = RequestContentDataExtractor.extract(this.request);
FormHttpOutputMessage data = new FormHttpOutputMessage();
@@ -192,8 +195,9 @@ public class FormBodyWrapperFilter extends ZuulFilter {
FormBodyWrapperFilter.this.formHttpMessageConverter.write(builder, this.contentType, data);
// copy new content type including multipart boundary
this.contentType = data.getHeaders().getContentType();
this.contentData = data.getInput();
this.contentLength = this.contentData.length;
byte[] input = data.getInput();
this.contentLength = input.length;
this.contentData = input;
}
catch (Exception e) {
throw new IllegalStateException("Cannot convert form data", e);