Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 268 insertions, 0 deletions

diff --git a/dom/html/HTMLScriptElement.cpp b/dom/html/HTMLScriptElement.cpp
new file mode 100644
index 0000000000..dda12ffe16
--- /dev/null
+++ b/dom/html/HTMLScriptElement.cpp
@@ -0,0 +1,268 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "nsGkAtoms.h"
+#include "nsStyleConsts.h"
+#include "mozilla/dom/Document.h"
+#include "nsNetUtil.h"
+#include "nsContentUtils.h"
+#include "nsUnicharUtils.h"  // for nsCaseInsensitiveStringComparator()
+#include "nsIScriptContext.h"
+#include "nsIScriptGlobalObject.h"
+#include "nsServiceManagerUtils.h"
+#include "nsError.h"
+#include "nsTArray.h"
+#include "nsDOMJSUtils.h"
+#include "nsIScriptError.h"
+#include "nsISupportsImpl.h"
+#include "mozilla/dom/HTMLScriptElement.h"
+#include "mozilla/dom/HTMLScriptElementBinding.h"
+#include "mozilla/StaticPrefs_dom.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Script)
+
+using JS::loader::ScriptKind;
+
+namespace mozilla::dom {
+
+JSObject* HTMLScriptElement::WrapNode(JSContext* aCx,
+                                      JS::Handle<JSObject*> aGivenProto) {
+  return HTMLScriptElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+HTMLScriptElement::HTMLScriptElement(
+    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
+    FromParser aFromParser)
+    : nsGenericHTMLElement(std::move(aNodeInfo)), ScriptElement(aFromParser) {
+  AddMutationObserver(this);
+}
+
+HTMLScriptElement::~HTMLScriptElement() = default;
+
+NS_IMPL_ISUPPORTS_INHERITED(HTMLScriptElement, nsGenericHTMLElement,
+                            nsIScriptLoaderObserver, nsIScriptElement,
+                            nsIMutationObserver)
+
+nsresult HTMLScriptElement::BindToTree(BindContext& aContext,
+                                       nsINode& aParent) {
+  nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (IsInComposedDoc()) {
+    MaybeProcessScript();
+  }
+
+  return NS_OK;
+}
+
+bool HTMLScriptElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+                                       const nsAString& aValue,
+                                       nsIPrincipal* aMaybeScriptedPrincipal,
+                                       nsAttrValue& aResult) {
+  if (aNamespaceID == kNameSpaceID_None) {
+    if (aAttribute == nsGkAtoms::crossorigin) {
+      ParseCORSValue(aValue, aResult);
+      return true;
+    }
+
+    if (aAttribute == nsGkAtoms::integrity) {
+      aResult.ParseStringOrAtom(aValue);
+      return true;
+    }
+  }
+
+  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                              aMaybeScriptedPrincipal, aResult);
+}
+
+nsresult HTMLScriptElement::Clone(dom::NodeInfo* aNodeInfo,
+                                  nsINode** aResult) const {
+  *aResult = nullptr;
+
+  HTMLScriptElement* it = new (aNodeInfo->NodeInfoManager())
+      HTMLScriptElement(do_AddRef(aNodeInfo), NOT_FROM_PARSER);
+
+  nsCOMPtr<nsINode> kungFuDeathGrip = it;
+  nsresult rv = const_cast<HTMLScriptElement*>(this)->CopyInnerTo(it);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  // The clone should be marked evaluated if we are.
+  it->mAlreadyStarted = mAlreadyStarted;
+  it->mLineNumber = mLineNumber;
+  it->mMalformed = mMalformed;
+
+  kungFuDeathGrip.swap(*aResult);
+
+  return NS_OK;
+}
+
+void HTMLScriptElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
+                                     const nsAttrValue* aValue,
+                                     const nsAttrValue* aOldValue,
+                                     nsIPrincipal* aMaybeScriptedPrincipal,
+                                     bool aNotify) {
+  if (nsGkAtoms::async == aName && kNameSpaceID_None == aNamespaceID) {
+    mForceAsync = false;
+  }
+  if (nsGkAtoms::src == aName && kNameSpaceID_None == aNamespaceID) {
+    mSrcTriggeringPrincipal = nsContentUtils::GetAttrTriggeringPrincipal(
+        this, aValue ? aValue->GetStringValue() : EmptyString(),
+        aMaybeScriptedPrincipal);
+  }
+  return nsGenericHTMLElement::AfterSetAttr(
+      aNamespaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
+}
+
+void HTMLScriptElement::GetInnerHTML(nsAString& aInnerHTML,
+                                     OOMReporter& aError) {
+  if (!nsContentUtils::GetNodeTextContent(this, false, aInnerHTML, fallible)) {
+    aError.ReportOOM();
+  }
+}
+
+void HTMLScriptElement::SetInnerHTML(const nsAString& aInnerHTML,
+                                     nsIPrincipal* aScriptedPrincipal,
+                                     ErrorResult& aError) {
+  aError = nsContentUtils::SetNodeTextContent(this, aInnerHTML, true);
+}
+
+void HTMLScriptElement::GetText(nsAString& aValue, ErrorResult& aRv) const {
+  if (!nsContentUtils::GetNodeTextContent(this, false, aValue, fallible)) {
+    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+  }
+}
+
+void HTMLScriptElement::SetText(const nsAString& aValue, ErrorResult& aRv) {
+  aRv = nsContentUtils::SetNodeTextContent(this, aValue, true);
+}
+
+// variation of this code in SVGScriptElement - check if changes
+// need to be transfered when modifying
+
+bool HTMLScriptElement::GetScriptType(nsAString& aType) {
+  nsAutoString type;
+  if (!GetAttr(kNameSpaceID_None, nsGkAtoms::type, type)) {
+    return false;
+  }
+
+  // ASCII whitespace https://infra.spec.whatwg.org/#ascii-whitespace:
+  // U+0009 TAB, U+000A LF, U+000C FF, U+000D CR, or U+0020 SPACE.
+  static const char kASCIIWhitespace[] = "\t\n\f\r ";
+
+  const bool wasEmptyBeforeTrim = type.IsEmpty();
+  type.Trim(kASCIIWhitespace);
+
+  // If the value before trim was not empty and the value is now empty, do not
+  // trim as we want to retain pure whitespace (by restoring original value)
+  // because we need to treat "" and " " (etc) differently.
+  if (!wasEmptyBeforeTrim && type.IsEmpty()) {
+    return GetAttr(kNameSpaceID_None, nsGkAtoms::type, aType);
+  }
+
+  aType.Assign(type);
+  return true;
+}
+
+void HTMLScriptElement::GetScriptText(nsAString& text) const {
+  GetText(text, IgnoreErrors());
+}
+
+void HTMLScriptElement::GetScriptCharset(nsAString& charset) {
+  GetCharset(charset);
+}
+
+void HTMLScriptElement::FreezeExecutionAttrs(Document* aOwnerDoc) {
+  if (mFrozen) {
+    return;
+  }
+
+  MOZ_ASSERT((mKind != ScriptKind::eModule) &&
+             (mKind != ScriptKind::eImportMap) && !mAsync && !mDefer &&
+             !mExternal);
+
+  // Determine whether this is a(n) classic/module/importmap script.
+  nsAutoString type;
+  GetScriptType(type);
+  if (!type.IsEmpty()) {
+    if (aOwnerDoc->ModuleScriptsEnabled() &&
+        type.LowerCaseEqualsASCII("module")) {
+      mKind = ScriptKind::eModule;
+    }
+
+    // https://html.spec.whatwg.org/multipage/scripting.html#prepare-the-script-element
+    // Step 11. Otherwise, if the script block's type string is an ASCII
+    // case-insensitive match for the string "importmap", then set el's type to
+    // "importmap".
+    if (aOwnerDoc->ImportMapsEnabled() &&
+        type.LowerCaseEqualsASCII("importmap")) {
+      mKind = ScriptKind::eImportMap;
+    }
+  }
+
+  // variation of this code in SVGScriptElement - check if changes
+  // need to be transfered when modifying.  Note that we don't use GetSrc here
+  // because it will return the base URL when the attr value is "".
+  nsAutoString src;
+  if (GetAttr(kNameSpaceID_None, nsGkAtoms::src, src)) {
+    // Empty src should be treated as invalid URL.
+    if (!src.IsEmpty()) {
+      nsContentUtils::NewURIWithDocumentCharset(getter_AddRefs(mUri), src,
+                                                OwnerDoc(), GetBaseURI());
+
+      if (!mUri) {
+        AutoTArray<nsString, 2> params = {u"src"_ns, src};
+
+        nsContentUtils::ReportToConsole(
+            nsIScriptError::warningFlag, "HTML"_ns, OwnerDoc(),
+            nsContentUtils::eDOM_PROPERTIES, "ScriptSourceInvalidUri", params,
+            nullptr, u""_ns, GetScriptLineNumber(), GetScriptColumnNumber());
+      }
+    } else {
+      AutoTArray<nsString, 1> params = {u"src"_ns};
+
+      nsContentUtils::ReportToConsole(
+          nsIScriptError::warningFlag, "HTML"_ns, OwnerDoc(),
+          nsContentUtils::eDOM_PROPERTIES, "ScriptSourceEmpty", params, nullptr,
+          u""_ns, GetScriptLineNumber(), GetScriptColumnNumber());
+    }
+
+    // At this point mUri will be null for invalid URLs.
+    mExternal = true;
+  }
+
+  bool async = (mExternal || mKind == ScriptKind::eModule) && Async();
+  bool defer = mExternal && Defer();
+
+  mDefer = !async && defer;
+  mAsync = async;
+
+  mFrozen = true;
+}
+
+CORSMode HTMLScriptElement::GetCORSMode() const {
+  return AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin));
+}
+
+mozilla::dom::ReferrerPolicy HTMLScriptElement::GetReferrerPolicy() {
+  return GetReferrerPolicyAsEnum();
+}
+
+bool HTMLScriptElement::HasScriptContent() {
+  return (mFrozen ? mExternal : HasAttr(kNameSpaceID_None, nsGkAtoms::src)) ||
+         nsContentUtils::HasNonEmptyTextContent(this);
+}
+
+// https://html.spec.whatwg.org/multipage/scripting.html#dom-script-supports
+/* static */
+bool HTMLScriptElement::Supports(const GlobalObject& aGlobal,
+                                 const nsAString& aType) {
+  nsAutoString type(aType);
+  return aType.EqualsLiteral("classic") || aType.EqualsLiteral("module") ||
+         (StaticPrefs::dom_importMaps_enabled() &&
+          aType.EqualsLiteral("importmap"));
+}
+
+}  // namespace mozilla::dom