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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* 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/. */
#ifndef mozilla_extensions_WebExtensionContentScript_h
#define mozilla_extensions_WebExtensionContentScript_h
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/WebExtensionContentScriptBinding.h"
#include "jspubtd.h"
#include "mozilla/Maybe.h"
#include "mozilla/Variant.h"
#include "mozilla/extensions/MatchGlob.h"
#include "mozilla/extensions/MatchPattern.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsIDocShell.h"
#include "nsPIDOMWindow.h"
#include "nsWrapperCache.h"
class nsILoadInfo;
class nsPIDOMWindowOuter;
namespace mozilla {
namespace dom {
class WindowGlobalChild;
}
namespace extensions {
using dom::Nullable;
using ContentScriptInit = dom::WebExtensionContentScriptInit;
class WebExtensionPolicy;
class MOZ_STACK_CLASS DocInfo final {
public:
DocInfo(const URLInfo& aURL, nsILoadInfo* aLoadInfo);
MOZ_IMPLICIT DocInfo(nsPIDOMWindowOuter* aWindow);
const URLInfo& URL() const { return mURL; }
// The principal of the document, or the expected principal of a request.
// May be null for non-DOMWindow DocInfo objects unless
// URL().InheritsPrincipal() is true.
nsIPrincipal* Principal() const;
// Returns the URL of the document's principal. Note that this must *only*
// be called for content principals.
const URLInfo& PrincipalURL() const;
bool IsTopLevel() const;
bool IsSameOriginWithTop() const;
bool ShouldMatchActiveTabPermission() const;
uint64_t FrameID() const;
nsPIDOMWindowOuter* GetWindow() const {
if (mObj.is<Window>()) {
return mObj.as<Window>();
}
return nullptr;
}
nsILoadInfo* GetLoadInfo() const {
if (mObj.is<LoadInfo>()) {
return mObj.as<LoadInfo>();
}
return nullptr;
}
already_AddRefed<nsILoadContext> GetLoadContext() const {
nsCOMPtr<nsILoadContext> loadContext;
if (nsPIDOMWindowOuter* window = GetWindow()) {
nsIDocShell* docShell = window->GetDocShell();
loadContext = do_QueryInterface(docShell);
} else if (nsILoadInfo* loadInfo = GetLoadInfo()) {
nsCOMPtr<nsISupports> requestingContext = loadInfo->GetLoadingContext();
loadContext = do_QueryInterface(requestingContext);
}
return loadContext.forget();
}
private:
void SetURL(const URLInfo& aURL);
const URLInfo mURL;
mutable Maybe<const URLInfo> mPrincipalURL;
mutable Maybe<bool> mIsTopLevel;
mutable Maybe<nsCOMPtr<nsIPrincipal>> mPrincipal;
mutable Maybe<uint64_t> mFrameID;
using Window = nsPIDOMWindowOuter*;
using LoadInfo = nsILoadInfo*;
const Variant<LoadInfo, Window> mObj;
};
class MozDocumentMatcher : public nsISupports, public nsWrapperCache {
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MozDocumentMatcher)
using MatchGlobArray = nsTArray<RefPtr<MatchGlob>>;
static already_AddRefed<MozDocumentMatcher> Constructor(
dom::GlobalObject& aGlobal, const dom::MozDocumentMatcherInit& aInit,
ErrorResult& aRv);
bool Matches(const DocInfo& aDoc, bool aIgnorePermissions) const;
bool Matches(const DocInfo& aDoc) const { return Matches(aDoc, false); }
bool MatchesURI(const URLInfo& aURL, bool aIgnorePermissions) const;
bool MatchesURI(const URLInfo& aURL) const { return MatchesURI(aURL, false); }
bool MatchesWindowGlobal(dom::WindowGlobalChild& aWindow,
bool aIgnorePermissions) const;
WebExtensionPolicy* GetExtension() { return mExtension; }
WebExtensionPolicy* Extension() { return mExtension; }
const WebExtensionPolicy* Extension() const { return mExtension; }
bool AllFrames() const { return mAllFrames; }
bool CheckPermissions() const { return mCheckPermissions; }
bool MatchAboutBlank() const { return mMatchAboutBlank; }
MatchPatternSet* Matches() { return mMatches; }
const MatchPatternSet* GetMatches() const { return mMatches; }
MatchPatternSet* GetExcludeMatches() { return mExcludeMatches; }
const MatchPatternSet* GetExcludeMatches() const { return mExcludeMatches; }
Nullable<uint64_t> GetFrameID() const { return mFrameID; }
void GetOriginAttributesPatterns(JSContext* aCx,
JS::MutableHandle<JS::Value> aVal,
ErrorResult& aError) const;
WebExtensionPolicy* GetParentObject() const { return mExtension; }
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
protected:
friend class WebExtensionPolicy;
virtual ~MozDocumentMatcher() = default;
MozDocumentMatcher(dom::GlobalObject& aGlobal,
const dom::MozDocumentMatcherInit& aInit, bool aRestricted,
ErrorResult& aRv);
RefPtr<WebExtensionPolicy> mExtension;
bool mHasActiveTabPermission;
bool mRestricted;
RefPtr<MatchPatternSet> mMatches;
RefPtr<MatchPatternSet> mExcludeMatches;
Nullable<MatchGlobSet> mIncludeGlobs;
Nullable<MatchGlobSet> mExcludeGlobs;
bool mAllFrames;
bool mCheckPermissions;
Nullable<uint64_t> mFrameID;
bool mMatchAboutBlank;
Nullable<dom::Sequence<OriginAttributesPattern>> mOriginAttributesPatterns;
};
class WebExtensionContentScript final : public MozDocumentMatcher {
public:
using RunAtEnum = dom::ContentScriptRunAt;
static already_AddRefed<WebExtensionContentScript> Constructor(
dom::GlobalObject& aGlobal, WebExtensionPolicy& aExtension,
const ContentScriptInit& aInit, ErrorResult& aRv);
RunAtEnum RunAt() const { return mRunAt; }
void GetCssPaths(nsTArray<nsString>& aPaths) const {
aPaths.AppendElements(mCssPaths);
}
void GetJsPaths(nsTArray<nsString>& aPaths) const {
aPaths.AppendElements(mJsPaths);
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
protected:
friend class WebExtensionPolicy;
virtual ~WebExtensionContentScript() = default;
WebExtensionContentScript(dom::GlobalObject& aGlobal,
WebExtensionPolicy& aExtension,
const ContentScriptInit& aInit, ErrorResult& aRv);
private:
nsTArray<nsString> mCssPaths;
nsTArray<nsString> mJsPaths;
RunAtEnum mRunAt;
};
} // namespace extensions
} // namespace mozilla
#endif // mozilla_extensions_WebExtensionContentScript_h
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