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Fix FormAuthenticator corrupting post parameters. #2320

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Merged
arjantijms merged 1 commit into from
Jan 30, 2018
Merged

Fix FormAuthenticator corrupting post parameters. #2320

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7 changes: 6 additions & 1 deletion ...erver/web/web-core/src/main/java/org/apache/catalina/authenticator/FormAuthenticator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -450,7 +450,12 @@ protected boolean restoreRequest(HttpRequest request, Session session)
ByteChunk body = saved.getBody();

if (body != null) {
request.replayPayload(body.getBytes());
byte[] tempData = body.getBytes();
// tempData is a buffer with reserved extra space
// we must keep only the valid data here
byte[] data = new byte[body.getLength()];
System.arraycopy(tempData, body.getStart(), data, 0, data.length);
request.replayPayload(data);

// If no content type specified, use default for POST
String savedContentType = saved.getContentType();
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