Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 213 insertions, 0 deletions

diff --git a/uriloader/preload/PreloadHashKey.cpp b/uriloader/preload/PreloadHashKey.cpp
new file mode 100644
index 0000000000..2096fedf0f
--- /dev/null
+++ b/uriloader/preload/PreloadHashKey.cpp
@@ -0,0 +1,213 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "PreloadHashKey.h"
+
+#include "mozilla/dom/Element.h"  // StringToCORSMode
+#include "mozilla/css/SheetLoadData.h"
+#include "mozilla/dom/ReferrerPolicyBinding.h"
+#include "nsIPrincipal.h"
+#include "nsIReferrerInfo.h"
+
+namespace mozilla {
+
+PreloadHashKey::PreloadHashKey(const nsIURI* aKey, ResourceType aAs)
+    : nsURIHashKey(aKey), mAs(aAs) {}
+
+PreloadHashKey::PreloadHashKey(const PreloadHashKey* aKey)
+    : nsURIHashKey(aKey->mKey) {
+  *this = *aKey;
+}
+
+PreloadHashKey::PreloadHashKey(PreloadHashKey&& aToMove)
+    : nsURIHashKey(std::move(aToMove)) {
+  mAs = std::move(aToMove.mAs);
+  mCORSMode = std::move(aToMove.mCORSMode);
+  mPrincipal = std::move(aToMove.mPrincipal);
+
+  switch (mAs) {
+    case ResourceType::SCRIPT:
+      mScript = std::move(aToMove.mScript);
+      break;
+    case ResourceType::STYLE:
+      mStyle = std::move(aToMove.mStyle);
+      break;
+    case ResourceType::IMAGE:
+      break;
+    case ResourceType::FONT:
+      break;
+    case ResourceType::FETCH:
+      break;
+    case ResourceType::NONE:
+      break;
+  }
+}
+
+PreloadHashKey& PreloadHashKey::operator=(const PreloadHashKey& aOther) {
+  MOZ_ASSERT(mAs == ResourceType::NONE || aOther.mAs == ResourceType::NONE,
+             "Assigning more than once, only reset is allowed");
+
+  nsURIHashKey::operator=(aOther);
+
+  mAs = aOther.mAs;
+  mCORSMode = aOther.mCORSMode;
+  mPrincipal = aOther.mPrincipal;
+
+  switch (mAs) {
+    case ResourceType::SCRIPT:
+      mScript = aOther.mScript;
+      break;
+    case ResourceType::STYLE:
+      mStyle = aOther.mStyle;
+      break;
+    case ResourceType::IMAGE:
+      break;
+    case ResourceType::FONT:
+      break;
+    case ResourceType::FETCH:
+      break;
+    case ResourceType::NONE:
+      break;
+  }
+
+  return *this;
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsScript(nsIURI* aURI, CORSMode aCORSMode,
+                                              dom::ScriptKind aScriptKind) {
+  PreloadHashKey key(aURI, ResourceType::SCRIPT);
+  key.mCORSMode = aCORSMode;
+
+  key.mScript.mScriptKind = aScriptKind;
+
+  return key;
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsScript(nsIURI* aURI,
+                                              const nsAString& aCrossOrigin,
+                                              const nsAString& aType) {
+  dom::ScriptKind scriptKind = dom::ScriptKind::eClassic;
+  if (aType.LowerCaseEqualsASCII("module")) {
+    scriptKind = dom::ScriptKind::eModule;
+  }
+  CORSMode crossOrigin = dom::Element::StringToCORSMode(aCrossOrigin);
+  return CreateAsScript(aURI, crossOrigin, scriptKind);
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsStyle(
+    nsIURI* aURI, nsIPrincipal* aPrincipal, CORSMode aCORSMode,
+    css::SheetParsingMode aParsingMode) {
+  PreloadHashKey key(aURI, ResourceType::STYLE);
+  key.mCORSMode = aCORSMode;
+  key.mPrincipal = aPrincipal;
+
+  key.mStyle.mParsingMode = aParsingMode;
+
+  return key;
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsStyle(
+    css::SheetLoadData& aSheetLoadData) {
+  return CreateAsStyle(aSheetLoadData.mURI, aSheetLoadData.mTriggeringPrincipal,
+                       aSheetLoadData.mSheet->GetCORSMode(),
+                       aSheetLoadData.mSheet->ParsingMode());
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsImage(nsIURI* aURI,
+                                             nsIPrincipal* aPrincipal,
+                                             CORSMode aCORSMode) {
+  PreloadHashKey key(aURI, ResourceType::IMAGE);
+  key.mCORSMode = aCORSMode;
+  key.mPrincipal = aPrincipal;
+
+  return key;
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsFetch(nsIURI* aURI, CORSMode aCORSMode) {
+  PreloadHashKey key(aURI, ResourceType::FETCH);
+  key.mCORSMode = aCORSMode;
+
+  return key;
+}
+
+// static
+PreloadHashKey PreloadHashKey::CreateAsFetch(nsIURI* aURI,
+                                             const nsAString& aCrossOrigin) {
+  return CreateAsFetch(aURI, dom::Element::StringToCORSMode(aCrossOrigin));
+}
+
+PreloadHashKey PreloadHashKey::CreateAsFont(nsIURI* aURI, CORSMode aCORSMode) {
+  PreloadHashKey key(aURI, ResourceType::FONT);
+  key.mCORSMode = aCORSMode;
+
+  return key;
+}
+
+bool PreloadHashKey::KeyEquals(KeyTypePointer aOther) const {
+  if (mAs != aOther->mAs || mCORSMode != aOther->mCORSMode) {
+    return false;
+  }
+
+  if (!mPrincipal != !aOther->mPrincipal) {
+    // One or the other has a principal, but not both... not equal
+    return false;
+  }
+
+  if (mPrincipal && !mPrincipal->Equals(aOther->mPrincipal)) {
+    return false;
+  }
+
+  if (!nsURIHashKey::KeyEquals(
+          static_cast<const nsURIHashKey*>(aOther)->GetKey())) {
+    return false;
+  }
+
+  switch (mAs) {
+    case ResourceType::SCRIPT:
+      if (mScript.mScriptKind != aOther->mScript.mScriptKind) {
+        return false;
+      }
+      break;
+    case ResourceType::STYLE: {
+      if (mStyle.mParsingMode != aOther->mStyle.mParsingMode) {
+        return false;
+      }
+      break;
+    }
+    case ResourceType::IMAGE:
+      // No more checks needed.  The image cache key consists of the document
+      // (which we are scoped into), origin attributes (which we compare as part
+      // of the principal check) and the URL.  imgLoader::ValidateEntry compares
+      // CORS, referrer info and principal, which we do by default.
+      break;
+    case ResourceType::FONT:
+      break;
+    case ResourceType::FETCH:
+      // No more checks needed.
+      break;
+    case ResourceType::NONE:
+      break;
+  }
+
+  return true;
+}
+
+// static
+PLDHashNumber PreloadHashKey::HashKey(KeyTypePointer aKey) {
+  PLDHashNumber hash = nsURIHashKey::HashKey(aKey->mKey);
+
+  // Enough to use the common attributes
+  hash = AddToHash(hash, static_cast<uint32_t>(aKey->mAs));
+  hash = AddToHash(hash, static_cast<uint32_t>(aKey->mCORSMode));
+
+  return hash;
+}
+
+}  // namespace mozilla