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Issue #2258 - Make sure we favor sniffing when the content-type header is empty.

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Moonchild 2025-09-24 10:32:50 +02:00 • committed by roytam1
commit 659a3c0fcc
1 changed files with 4 additions and 1 deletions
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5
netwerk/streamconv/converters/nsUnknownDecoder.cpp
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@ -805,11 +805,14 @@ nsBinaryDetector::DetermineContentType(nsIRequest* aRequest)
// FC7, RHEL4, and Ubuntu Feisty send charset=UTF-8. Don't do general
// case-insensitive comparison, since we really want to apply this crap as
// rarely as we can.
// Bail only if the Content-Type header isn't empty, to catch
// empty/unspecified MIME type headers webmaster error.
if (!contentType.EqualsLiteral("text/plain") ||
(!contentTypeHdr.EqualsLiteral("text/plain") &&
!contentTypeHdr.EqualsLiteral("text/plain; charset=ISO-8859-1") &&
!contentTypeHdr.EqualsLiteral("text/plain; charset=iso-8859-1") &&
!contentTypeHdr.EqualsLiteral("text/plain; charset=UTF-8"))) {
!contentTypeHdr.EqualsLiteral("text/plain; charset=UTF-8") &&
!contentTypeHdr.IsEmpty())) {
return;
}