| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights |
| * reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "third_party/blink/renderer/core/html/html_script_element.h" |
| |
| #include "third_party/blink/public/mojom/script/script_type.mojom-blink.h" |
| #include "third_party/blink/renderer/bindings/core/v8/html_script_element_or_svg_script_element.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_event_listener.h" |
| #include "third_party/blink/renderer/bindings/core/v8/string_or_trusted_script.h" |
| #include "third_party/blink/renderer/core/dom/attribute.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/events/event.h" |
| #include "third_party/blink/renderer/core/dom/text.h" |
| #include "third_party/blink/renderer/core/frame/csp/content_security_policy.h" |
| #include "third_party/blink/renderer/core/frame/use_counter.h" |
| #include "third_party/blink/renderer/core/html_names.h" |
| #include "third_party/blink/renderer/core/origin_trials/origin_trials.h" |
| #include "third_party/blink/renderer/core/script/script_loader.h" |
| #include "third_party/blink/renderer/core/script/script_runner.h" |
| #include "third_party/blink/renderer/core/trustedtypes/trusted_script.h" |
| #include "third_party/blink/renderer/core/trustedtypes/trusted_types_util.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| |
| namespace blink { |
| |
| using namespace html_names; |
| |
| inline HTMLScriptElement::HTMLScriptElement(Document& document, |
| const CreateElementFlags flags) |
| : HTMLElement(kScriptTag, document), |
| loader_(InitializeScriptLoader(flags.IsCreatedByParser(), |
| flags.WasAlreadyStarted())) {} |
| |
| HTMLScriptElement* HTMLScriptElement::Create(Document& document, |
| const CreateElementFlags flags) { |
| return MakeGarbageCollected<HTMLScriptElement>(document, flags); |
| } |
| |
| const AttrNameToTrustedType& HTMLScriptElement::GetCheckedAttributeTypes() |
| const { |
| DEFINE_STATIC_LOCAL(AttrNameToTrustedType, attribute_map, |
| ({{"src", SpecificTrustedType::kTrustedScriptURL}})); |
| return attribute_map; |
| } |
| |
| bool HTMLScriptElement::IsURLAttribute(const Attribute& attribute) const { |
| return attribute.GetName() == kSrcAttr || |
| HTMLElement::IsURLAttribute(attribute); |
| } |
| |
| bool HTMLScriptElement::HasLegalLinkAttribute(const QualifiedName& name) const { |
| return name == kSrcAttr || HTMLElement::HasLegalLinkAttribute(name); |
| } |
| |
| const QualifiedName& HTMLScriptElement::SubResourceAttributeName() const { |
| return kSrcAttr; |
| } |
| |
| void HTMLScriptElement::ChildrenChanged(const ChildrenChange& change) { |
| HTMLElement::ChildrenChanged(change); |
| if (change.IsChildInsertion()) |
| loader_->ChildrenChanged(); |
| } |
| |
| void HTMLScriptElement::DidMoveToNewDocument(Document& old_document) { |
| ScriptRunner::MovePendingScript(old_document, GetDocument(), loader_.Get()); |
| HTMLElement::DidMoveToNewDocument(old_document); |
| } |
| |
| void HTMLScriptElement::ParseAttribute( |
| const AttributeModificationParams& params) { |
| if (params.name == kSrcAttr) { |
| loader_->HandleSourceAttribute(params.new_value); |
| LogUpdateAttributeIfIsolatedWorldAndInDocument("script", params); |
| } else if (params.name == kAsyncAttr) { |
| loader_->HandleAsyncAttribute(); |
| } else if (params.name == kImportanceAttr && |
| origin_trials::PriorityHintsEnabled(&GetDocument())) { |
| // The only thing we need to do for the the importance attribute/Priority |
| // Hints is count usage upon parsing. Processing the value happens when the |
| // element loads. |
| UseCounter::Count(GetDocument(), WebFeature::kPriorityHints); |
| } else { |
| HTMLElement::ParseAttribute(params); |
| } |
| } |
| |
| Node::InsertionNotificationRequest HTMLScriptElement::InsertedInto( |
| ContainerNode& insertion_point) { |
| mojom::ScriptType script_type = mojom::ScriptType::kClassic; |
| if (insertion_point.isConnected() && HasSourceAttribute() && |
| !ScriptLoader::IsValidScriptTypeAndLanguage( |
| TypeAttributeValue(), LanguageAttributeValue(), |
| ScriptLoader::kDisallowLegacyTypeInTypeAttribute, script_type)) { |
| UseCounter::Count(GetDocument(), |
| WebFeature::kScriptElementWithInvalidTypeHasSrc); |
| } |
| HTMLElement::InsertedInto(insertion_point); |
| LogAddElementIfIsolatedWorldAndInDocument("script", kSrcAttr); |
| |
| return kInsertionShouldCallDidNotifySubtreeInsertions; |
| } |
| |
| void HTMLScriptElement::DidNotifySubtreeInsertionsToDocument() { |
| loader_->DidNotifySubtreeInsertionsToDocument(); |
| } |
| |
| void HTMLScriptElement::setText( |
| const StringOrTrustedScript& string_or_trusted_script, |
| ExceptionState& exception_state) { |
| setTextContent(string_or_trusted_script, exception_state); |
| } |
| |
| void HTMLScriptElement::text(StringOrTrustedScript& result) { |
| result.SetString(TextFromChildren()); |
| } |
| |
| void HTMLScriptElement::setInnerText( |
| const StringOrTrustedScript& string_or_trusted_script, |
| ExceptionState& exception_state) { |
| String value = GetStringFromTrustedScript(string_or_trusted_script, |
| &GetDocument(), exception_state); |
| if (!exception_state.HadException()) { |
| HTMLElement::setInnerText(value, exception_state); |
| } |
| } |
| |
| void HTMLScriptElement::setTextContent( |
| const StringOrTrustedScript& string_or_trusted_script, |
| ExceptionState& exception_state) { |
| String value = GetStringFromTrustedScript(string_or_trusted_script, |
| &GetDocument(), exception_state); |
| if (!exception_state.HadException()) { |
| Node::setTextContent(value); |
| } |
| } |
| |
| void HTMLScriptElement::setAsync(bool async) { |
| SetBooleanAttribute(kAsyncAttr, async); |
| loader_->HandleAsyncAttribute(); |
| } |
| |
| bool HTMLScriptElement::async() const { |
| return FastHasAttribute(kAsyncAttr) || loader_->IsNonBlocking(); |
| } |
| |
| KURL HTMLScriptElement::Src() const { |
| return GetDocument().CompleteURL(SourceAttributeValue()); |
| } |
| |
| String HTMLScriptElement::SourceAttributeValue() const { |
| return getAttribute(kSrcAttr).GetString(); |
| } |
| |
| String HTMLScriptElement::CharsetAttributeValue() const { |
| return getAttribute(kCharsetAttr).GetString(); |
| } |
| |
| String HTMLScriptElement::TypeAttributeValue() const { |
| return getAttribute(kTypeAttr).GetString(); |
| } |
| |
| String HTMLScriptElement::LanguageAttributeValue() const { |
| return getAttribute(kLanguageAttr).GetString(); |
| } |
| |
| bool HTMLScriptElement::NomoduleAttributeValue() const { |
| return FastHasAttribute(kNomoduleAttr); |
| } |
| |
| String HTMLScriptElement::ForAttributeValue() const { |
| return getAttribute(kForAttr).GetString(); |
| } |
| |
| String HTMLScriptElement::EventAttributeValue() const { |
| return getAttribute(kEventAttr).GetString(); |
| } |
| |
| String HTMLScriptElement::CrossOriginAttributeValue() const { |
| return getAttribute(kCrossoriginAttr); |
| } |
| |
| String HTMLScriptElement::IntegrityAttributeValue() const { |
| return getAttribute(kIntegrityAttr); |
| } |
| |
| String HTMLScriptElement::ReferrerPolicyAttributeValue() const { |
| return getAttribute(kReferrerpolicyAttr); |
| } |
| |
| String HTMLScriptElement::ImportanceAttributeValue() const { |
| return getAttribute(kImportanceAttr); |
| } |
| |
| String HTMLScriptElement::TextFromChildren() { |
| return Element::TextFromChildren(); |
| } |
| |
| bool HTMLScriptElement::AsyncAttributeValue() const { |
| return FastHasAttribute(kAsyncAttr); |
| } |
| |
| bool HTMLScriptElement::DeferAttributeValue() const { |
| return FastHasAttribute(kDeferAttr); |
| } |
| |
| bool HTMLScriptElement::HasSourceAttribute() const { |
| return FastHasAttribute(kSrcAttr); |
| } |
| |
| bool HTMLScriptElement::IsConnected() const { |
| return Node::isConnected(); |
| } |
| |
| bool HTMLScriptElement::HasChildren() const { |
| return Node::hasChildren(); |
| } |
| |
| const AtomicString& HTMLScriptElement::GetNonceForElement() const { |
| return ContentSecurityPolicy::IsNonceableElement(this) ? nonce() |
| : g_null_atom; |
| } |
| |
| bool HTMLScriptElement::AllowInlineScriptForCSP( |
| const AtomicString& nonce, |
| const WTF::OrdinalNumber& context_line, |
| const String& script_content, |
| ContentSecurityPolicy::InlineType inline_type) { |
| return GetDocument().GetContentSecurityPolicy()->AllowInlineScript( |
| this, GetDocument().Url(), nonce, context_line, script_content, |
| inline_type); |
| } |
| |
| Document& HTMLScriptElement::GetDocument() const { |
| return Node::GetDocument(); |
| } |
| |
| void HTMLScriptElement::DispatchLoadEvent() { |
| DispatchEvent(*Event::Create(event_type_names::kLoad)); |
| } |
| |
| void HTMLScriptElement::DispatchErrorEvent() { |
| DispatchEvent(*Event::Create(event_type_names::kError)); |
| } |
| |
| void HTMLScriptElement::SetScriptElementForBinding( |
| HTMLScriptElementOrSVGScriptElement& element) { |
| if (!IsInV1ShadowTree()) |
| element.SetHTMLScriptElement(this); |
| } |
| |
| Element* HTMLScriptElement::CloneWithoutAttributesAndChildren( |
| Document& factory) const { |
| CreateElementFlags flags = |
| CreateElementFlags::ByCloneNode().SetAlreadyStarted( |
| loader_->AlreadyStarted()); |
| return factory.CreateElement(TagQName(), flags, IsValue()); |
| } |
| |
| void HTMLScriptElement::Trace(Visitor* visitor) { |
| visitor->Trace(loader_); |
| HTMLElement::Trace(visitor); |
| ScriptElementBase::Trace(visitor); |
| } |
| |
| } // namespace blink |