forked from mirrors/gecko-dev
4a50082613
For now a static list of URIs is probably fine. I asked Nika / Gijs if we can do something better in any case. We already have tests for stuff not getting exposed to content. Differential Revision: https://phabricator.services.mozilla.com/D171641
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* thread-safe container of information for resolving url values */
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#include "mozilla/URLExtraData.h"
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#include "mozilla/NullPrincipal.h"
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#include "nsAboutProtocolUtils.h"
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#include "ReferrerInfo.h"
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namespace mozilla {
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StaticRefPtr<URLExtraData> URLExtraData::sDummy;
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StaticRefPtr<URLExtraData> URLExtraData::sDummyChrome;
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/* static */
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void URLExtraData::Init() {
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RefPtr<nsIURI> baseURI = NullPrincipal::CreateURI();
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nsCOMPtr<nsIReferrerInfo> referrerInfo = new dom::ReferrerInfo(nullptr);
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sDummy = new URLExtraData(do_AddRef(baseURI), do_AddRef(referrerInfo),
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NullPrincipal::CreateWithoutOriginAttributes());
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sDummyChrome =
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new URLExtraData(baseURI.forget(), referrerInfo.forget(),
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NullPrincipal::CreateWithoutOriginAttributes());
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sDummyChrome->mChromeRulesEnabled = true;
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}
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static bool IsPrivilegedAboutURIForCSS(nsIURI* aURI) {
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#ifdef MOZ_THUNDERBIRD
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if (!aURI->SchemeIs("about")) {
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return false;
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}
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// TODO: we might want to do something a bit less special-casey, perhaps using
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// nsIAboutModule::GetChromeURI or so? But nsIAboutModule can involve calling
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// into JS so this is probably fine for now, if it doesn't get too unwieldy.
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nsAutoCString name;
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if (NS_WARN_IF(NS_FAILED(NS_GetAboutModuleName(aURI, name)))) {
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return false;
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}
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return name.EqualsLiteral("3pane") || name.EqualsLiteral("addressbook");
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#else
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return false;
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#endif
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}
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bool URLExtraData::ChromeRulesEnabled(nsIURI* aURI) {
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if (!aURI) {
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return false;
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}
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return aURI->SchemeIs("chrome") || aURI->SchemeIs("resource") ||
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IsPrivilegedAboutURIForCSS(aURI);
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}
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/* static */
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void URLExtraData::Shutdown() {
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sDummy = nullptr;
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sDummyChrome = nullptr;
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}
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URLExtraData::~URLExtraData() = default;
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StaticRefPtr<URLExtraData>
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URLExtraData::sShared[size_t(UserAgentStyleSheetID::Count)];
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} // namespace mozilla
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