summaryrefslogtreecommitdiffstats
path: root/dom/canvas
diff options
context:
space:
mode:
authorwolfbeast <mcwerewolf@wolfbeast.com>2019-06-04 23:58:47 +0200
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-06-04 23:58:47 +0200
commitf47d45be4b6c8a1fc758d50497a964fc7a75154b (patch)
tree497657ef7d2d3dc2e2c752146a524a2c725dd26a /dom/canvas
parent363bfeb2c06e5f57136ebdab8da1ebeba0591520 (diff)
downloadUXP-f47d45be4b6c8a1fc758d50497a964fc7a75154b.tar
UXP-f47d45be4b6c8a1fc758d50497a964fc7a75154b.tar.gz
UXP-f47d45be4b6c8a1fc758d50497a964fc7a75154b.tar.lz
UXP-f47d45be4b6c8a1fc758d50497a964fc7a75154b.tar.xz
UXP-f47d45be4b6c8a1fc758d50497a964fc7a75154b.zip
Revert "Improve origin-clean algorithm"
This reverts commit e69b3f567c4b8957cc09ba4359e84939f77781c5.
Diffstat (limited to 'dom/canvas')
-rw-r--r--dom/canvas/CanvasRenderingContext2D.cpp13
-rw-r--r--dom/canvas/CanvasUtils.cpp20
-rw-r--r--dom/canvas/CanvasUtils.h5
-rw-r--r--dom/canvas/ImageBitmap.cpp34
4 files changed, 36 insertions, 36 deletions
diff --git a/dom/canvas/CanvasRenderingContext2D.cpp b/dom/canvas/CanvasRenderingContext2D.cpp
index 2bf40732a..4849fda57 100644
--- a/dom/canvas/CanvasRenderingContext2D.cpp
+++ b/dom/canvas/CanvasRenderingContext2D.cpp
@@ -2406,11 +2406,7 @@ CanvasRenderingContext2D::SetStyleFromUnion(const StringOrCanvasGradientOrCanvas
}
if (aValue.IsCanvasPattern()) {
- CanvasPattern& pattern = aValue.GetAsCanvasPattern();
- SetStyleFromPattern(pattern, aWhichStyle);
- if (pattern.mForceWriteOnly) {
- SetWriteOnly();
- }
+ SetStyleFromPattern(aValue.GetAsCanvasPattern(), aWhichStyle);
return;
}
@@ -2585,12 +2581,11 @@ CanvasRenderingContext2D::CreatePattern(const CanvasImageSource& aSource,
nsLayoutUtils::SurfaceFromElement(element,
nsLayoutUtils::SFE_WANT_FIRST_FRAME, mTarget);
- RefPtr<SourceSurface> surface = res.GetSourceSurface();
- if (!surface) {
+ if (!res.GetSourceSurface()) {
return nullptr;
}
- RefPtr<CanvasPattern> pat = new CanvasPattern(this, surface, repeatMode,
+ RefPtr<CanvasPattern> pat = new CanvasPattern(this, res.GetSourceSurface(), repeatMode,
res.mPrincipal, res.mIsWriteOnly,
res.mCORSUsed);
return pat.forget();
@@ -4900,8 +4895,8 @@ CanvasRenderingContext2D::CachedSurfaceFromElement(Element* aElement)
res.mSize = res.mSourceSurface->GetSize();
res.mPrincipal = principal.forget();
+ res.mIsWriteOnly = false;
res.mImageRequest = imgRequest.forget();
- res.mIsWriteOnly = CheckWriteOnlySecurity(res.mCORSUsed, res.mPrincipal);
return res;
}
diff --git a/dom/canvas/CanvasUtils.cpp b/dom/canvas/CanvasUtils.cpp
index 6c9addf59..c7cfed83f 100644
--- a/dom/canvas/CanvasUtils.cpp
+++ b/dom/canvas/CanvasUtils.cpp
@@ -126,25 +126,5 @@ CoerceDouble(const JS::Value& v, double* d)
return true;
}
-bool CheckWriteOnlySecurity(bool aCORSUsed, nsIPrincipal* aPrincipal) {
- if (!aPrincipal) {
- return true;
- }
-
- if (!aCORSUsed) {
- nsIGlobalObject* incumbentSettingsObject = dom::GetIncumbentGlobal();
- if (NS_WARN_IF(!incumbentSettingsObject)) {
- return true;
- }
-
- nsIPrincipal* principal = incumbentSettingsObject->PrincipalOrNull();
- if (NS_WARN_IF(!principal) || !(principal->Subsumes(aPrincipal))) {
- return true;
- }
- }
-
- return false;
-}
-
} // namespace CanvasUtils
} // namespace mozilla
diff --git a/dom/canvas/CanvasUtils.h b/dom/canvas/CanvasUtils.h
index 264b2b5bb..a69b8bd72 100644
--- a/dom/canvas/CanvasUtils.h
+++ b/dom/canvas/CanvasUtils.h
@@ -11,7 +11,6 @@
#include "mozilla/dom/ToJSValue.h"
#include "jsapi.h"
#include "mozilla/FloatingPoint.h"
-#include "nsLayoutUtils.h"
class nsIPrincipal;
@@ -157,10 +156,6 @@ DashArrayToJSVal(nsTArray<T>& dashes,
}
}
-// returns true if write-only mode must used for this principal based on
-// the incumbent global.
-bool CheckWriteOnlySecurity(bool aCORSUsed, nsIPrincipal* aPrincipal);
-
} // namespace CanvasUtils
} // namespace mozilla
diff --git a/dom/canvas/ImageBitmap.cpp b/dom/canvas/ImageBitmap.cpp
index 4a1b6e3c2..6efe1b318 100644
--- a/dom/canvas/ImageBitmap.cpp
+++ b/dom/canvas/ImageBitmap.cpp
@@ -315,6 +315,36 @@ private:
const Maybe<IntRect>& mCropRect;
};
+static bool
+CheckSecurityForHTMLElements(bool aIsWriteOnly, bool aCORSUsed, nsIPrincipal* aPrincipal)
+{
+ MOZ_ASSERT(aPrincipal);
+
+ if (aIsWriteOnly) {
+ return false;
+ }
+
+ if (!aCORSUsed) {
+ nsIGlobalObject* incumbentSettingsObject = GetIncumbentGlobal();
+ if (NS_WARN_IF(!incumbentSettingsObject)) {
+ return false;
+ }
+
+ nsIPrincipal* principal = incumbentSettingsObject->PrincipalOrNull();
+ if (NS_WARN_IF(!principal) || !(principal->Subsumes(aPrincipal))) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static bool
+CheckSecurityForHTMLElements(const nsLayoutUtils::SurfaceFromElementResult& aRes)
+{
+ return CheckSecurityForHTMLElements(aRes.mIsWriteOnly, aRes.mCORSUsed, aRes.mPrincipal);
+}
+
/*
* A wrapper to the nsLayoutUtils::SurfaceFromElement() function followed by the
* security checking.
@@ -335,7 +365,7 @@ GetSurfaceFromElement(nsIGlobalObject* aGlobal, HTMLElementType& aElement,
}
// Check origin-clean and pass back
- *aWriteOnly = res.mIsWriteOnly;
+ *aWriteOnly = !CheckSecurityForHTMLElements(res);
return surface.forget();
}
@@ -788,7 +818,7 @@ ImageBitmap::CreateInternal(nsIGlobalObject* aGlobal, HTMLVideoElement& aVideoEl
nsCOMPtr<nsIPrincipal> principal = aVideoEl.GetCurrentVideoPrincipal();
bool CORSUsed = aVideoEl.GetCORSMode() != CORS_NONE;
- writeOnly = CheckWriteOnlySecurity(CORSUsed, principal);
+ writeOnly = !CheckSecurityForHTMLElements(false, CORSUsed, principal);
// Create ImageBitmap.
ImageContainer *container = aVideoEl.GetImageContainer();