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Issue #2258 - Part 2: Move XCTO:nosniff check into sniffers.

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This fixes a regression for the JSON viewer from part 1 as it relies on
sniffing to prettify (and should carve out the exception even if `nosniff`
headers are sent).
No real functional changes otherwise. Just catering to a corner case.
This commit is contained in:
Moonchild 2025-08-12 17:01:36 +02:00 • committed by roytam1
commit cca20ae131
5 changed files with 17 additions and 14 deletions
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10
netwerk/base/nsNetUtil.cpp
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@ -2129,16 +2129,6 @@ NS_SniffContent(const char *aSnifferType, nsIRequest *aRequest,
const uint8_t *aData, uint32_t aLength,
nsACString &aSniffedType)
{
// In case XCTO nosniff was present, we could just skip sniffing here
nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
if (channel) {
nsCOMPtr<nsILoadInfo> loadInfo = channel->GetLoadInfo();
if (loadInfo->GetSkipContentSniffing()) {
aSniffedType.Truncate();
return;
}
}
typedef nsCategoryCache<nsIContentSniffer> ContentSnifferCache;
extern ContentSnifferCache* gNetSniffers;
extern ContentSnifferCache* gDataSniffers;