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ported from mozilla: Bug 1264792 - Update request'referrer policy when redirect.r=bkelly,dragana. (763507de3e)

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roytam1 2024-10-03 07:35:53 +08:00
commit 97fb5d7f9b
16 changed files with 244 additions and 91 deletions
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56
dom/fetch/FetchUtil.cpp
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@ -4,8 +4,10 @@
#include "nsIUnicodeDecoder.h"
#include "nsNetUtil.h"
#include "nsString.h"
#include "nsIDocument.h"
#include "mozilla/dom/EncodingUtils.h"
#include "mozilla/dom/InternalRequest.h"
namespace mozilla {
namespace dom {
@ -111,5 +113,59 @@ FetchUtil::ExtractHeader(nsACString::const_iterator& aStart,
return PushOverLine(aStart, aEnd);
}
// static
nsresult
FetchUtil::SetRequestReferrer(nsIPrincipal* aPrincipal,
nsIDocument* aDoc,
nsIHttpChannel* aChannel,
InternalRequest* aRequest) {
MOZ_ASSERT(NS_IsMainThread());
nsAutoString referrer;
aRequest->GetReferrer(referrer);
net::ReferrerPolicy policy = aRequest->GetReferrerPolicy();
nsresult rv = NS_OK;
if (referrer.IsEmpty()) {
// This is the case request’s referrer is "no-referrer"
rv = aChannel->SetReferrerWithPolicy(nullptr, net::RP_No_Referrer);
NS_ENSURE_SUCCESS(rv, rv);
} else if (referrer.EqualsLiteral(kFETCH_CLIENT_REFERRER_STR)) {
rv = nsContentUtils::SetFetchReferrerURIWithPolicy(aPrincipal,
aDoc,
aChannel,
policy);
NS_ENSURE_SUCCESS(rv, rv);
} else {
// From "Determine request's Referrer" step 3
// "If request's referrer is a URL, let referrerSource be request's
// referrer."
nsCOMPtr<nsIURI> referrerURI;
rv = NS_NewURI(getter_AddRefs(referrerURI), referrer, nullptr, nullptr);
NS_ENSURE_SUCCESS(rv, rv);
rv = aChannel->SetReferrerWithPolicy(referrerURI, policy);
NS_ENSURE_SUCCESS(rv, rv);
}
nsCOMPtr<nsIURI> referrerURI;
aChannel->GetReferrer(getter_AddRefs(referrerURI));
// Step 8 https://fetch.spec.whatwg.org/#main-fetch
// If request’s referrer is not "no-referrer", set request’s referrer to
// the result of invoking determine request’s referrer.
if (referrerURI) {
nsAutoCString spec;
rv = referrerURI->GetSpec(spec);
NS_ENSURE_SUCCESS(rv, rv);
aRequest->SetReferrer(NS_ConvertUTF8toUTF16(spec));
} else {
aRequest->SetReferrer(EmptyString());
}
return NS_OK;
}
} // namespace dom
} // namespace mozilla