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Bug 1214819. Add support for @crossorigin to <link rel=prefetch> so resources can be prefetched via anonymous CORS, for example. r=hurley

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This commit is contained in:
Boris Zbarsky 2015-10-15 15:12:00 -04:00
parent 61bc9e5c55
commit b6743e865b
2 changed files with 17 additions and 2 deletions
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2
dom/html/HTMLLinkElement.h
View File

@ -151,6 +151,7 @@ public:
return nsRefPtr<ImportLoader>(mImportLoader).forget();
}
virtual CORSMode GetCORSMode() const override;
protected:
virtual ~HTMLLinkElement();
@ -161,7 +162,6 @@ protected:
nsAString& aMedia,
bool* aIsScoped,
bool* aIsAlternate) override;
virtual CORSMode GetCORSMode() const override;
protected:
// nsGenericHTMLElement
virtual void GetItemValueText(DOMString& text) override;

17
uriloader/prefetch/nsPrefetchService.cpp
View File

@ -26,6 +26,8 @@
#include "nsIAsyncVerifyRedirectCallback.h"
#include "mozilla/Preferences.h"
#include "mozilla/Attributes.h"
#include "mozilla/CORSMode.h"
#include "mozilla/dom/HTMLLinkElement.h"
#include "nsIDOMNode.h"
#include "nsINode.h"
#include "nsIDocument.h"
@ -186,12 +188,25 @@ nsPrefetchNode::OpenChannel()
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsILoadGroup> loadGroup = source->OwnerDoc()->GetDocumentLoadGroup();
CORSMode corsMode = CORS_NONE;
if (source->IsHTMLElement(nsGkAtoms::link)) {
corsMode = static_cast<dom::HTMLLinkElement*>(source.get())->GetCORSMode();
}
uint32_t securityFlags;
if (corsMode == CORS_NONE) {
securityFlags = nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS;
} else {
securityFlags = nsILoadInfo::SEC_REQUIRE_CORS_DATA_INHERITS;
if (corsMode == CORS_USE_CREDENTIALS) {
securityFlags |= nsILoadInfo::SEC_REQUIRE_CORS_WITH_CREDENTIALS;
}
}
nsresult rv = NS_NewChannelInternal(getter_AddRefs(mChannel),
mURI,
source,
source->NodePrincipal(),
nullptr, //aTriggeringPrincipal
nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_DATA_INHERITS,
securityFlags,
nsIContentPolicy::TYPE_OTHER,
loadGroup, // aLoadGroup
this, // aCallbacks