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/*
* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Quirks.h"
#include "CustomHeaderFields.h"
#include "DOMTokenList.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "FrameLoader.h"
#include "HTMLMetaElement.h"
#include "HTMLObjectElement.h"
#include "LayoutUnit.h"
#include "RuntimeEnabledFeatures.h"
#include "Settings.h"
#include "UserAgent.h"
namespace WebCore {
static inline OptionSet<AutoplayQuirk> allowedAutoplayQuirks(Document& document)
{
auto* loader = document.loader();
if (!loader)
return { };
return loader->allowedAutoplayQuirks();
}
Quirks::Quirks(Document& document)
: m_document(makeWeakPtr(document))
{
}
Quirks::~Quirks() = default;
inline bool Quirks::needsQuirks() const
{
return m_document && m_document->settings().needsSiteSpecificQuirks();
}
bool Quirks::shouldIgnoreInvalidSignal() const
{
return needsQuirks();
}
bool Quirks::needsFormControlToBeMouseFocusable() const
{
#if PLATFORM(MAC)
if (!needsQuirks())
return false;
auto host = m_document->url().host();
return equalLettersIgnoringASCIICase(host, "ceac.state.gov") || host.endsWithIgnoringASCIICase(".ceac.state.gov");
#else
return false;
#endif
}
bool Quirks::needsAutoplayPlayPauseEvents() const
{
if (!needsQuirks())
return false;
if (allowedAutoplayQuirks(*m_document).contains(AutoplayQuirk::SynthesizedPauseEvents))
return true;
return allowedAutoplayQuirks(m_document->topDocument()).contains(AutoplayQuirk::SynthesizedPauseEvents);
}
bool Quirks::needsSeekingSupportDisabled() const
{
if (!needsQuirks())
return false;
auto host = m_document->topDocument().url().host();
return equalLettersIgnoringASCIICase(host, "netflix.com") || host.endsWithIgnoringASCIICase(".netflix.com");
}
bool Quirks::needsPerDocumentAutoplayBehavior() const
{
#if PLATFORM(MAC)
ASSERT(m_document == &m_document->topDocument());
return needsQuirks() && allowedAutoplayQuirks(*m_document).contains(AutoplayQuirk::PerDocumentAutoplayBehavior);
#else
auto host = m_document->topDocument().url().host();
return equalLettersIgnoringASCIICase(host, "netflix.com") || host.endsWithIgnoringASCIICase(".netflix.com");
#endif
}
bool Quirks::shouldAutoplayForArbitraryUserGesture() const
{
#if PLATFORM(MAC)
return needsQuirks() && allowedAutoplayQuirks(*m_document).contains(AutoplayQuirk::ArbitraryUserGestures);
#else
return false;
#endif
}
bool Quirks::hasBrokenEncryptedMediaAPISupportQuirk() const
{
if (!needsQuirks())
return false;
if (m_hasBrokenEncryptedMediaAPISupportQuirk)
return m_hasBrokenEncryptedMediaAPISupportQuirk.value();
auto domain = m_document->securityOrigin().domain().convertToASCIILowercase();
m_hasBrokenEncryptedMediaAPISupportQuirk = domain == "starz.com"
|| domain.endsWith(".starz.com")
|| domain == "youtube.com"
|| domain.endsWith(".youtube.com")
|| domain == "hulu.com"
|| domain.endsWith("hulu.com");
return m_hasBrokenEncryptedMediaAPISupportQuirk.value();
}
bool Quirks::shouldDisableContentChangeObserverTouchEventAdjustment() const
{
if (!needsQuirks())
return false;
auto& topDocument = m_document->topDocument();
auto* topDocumentLoader = topDocument.loader();
if (!topDocumentLoader || !topDocumentLoader->allowContentChangeObserverQuirk())
return false;
auto host = m_document->topDocument().url().host();
return host.endsWith(".youtube.com") || host == "youtube.com";
}
bool Quirks::shouldStripQuotationMarkInFontFaceSetFamily() const
{
if (!needsQuirks())
return false;
auto host = m_document->topDocument().url().host();
return equalLettersIgnoringASCIICase(host, "docs.google.com");
}
bool Quirks::isTouchBarUpdateSupressedForHiddenContentEditable() const
{
#if PLATFORM(MAC)
if (!needsQuirks())
return false;
auto host = m_document->topDocument().url().host();
return equalLettersIgnoringASCIICase(host, "docs.google.com");
#else
return false;
#endif
}
bool Quirks::isNeverRichlyEditableForTouchBar() const
{
#if PLATFORM(MAC)
if (!needsQuirks())
return false;
auto& url = m_document->topDocument().url();
auto host = url.host();
if (equalLettersIgnoringASCIICase(host, "twitter.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "onedrive.live.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "trix-editor.org"))
return true;
if (equalLettersIgnoringASCIICase(host, "www.icloud.com")) {
auto path = url.path();
if (path.contains("notes") || url.fragmentIdentifier().contains("notes"))
return true;
}
#endif
return false;
}
static bool shouldSuppressAutocorrectionAndAutocaptializationInHiddenEditableAreasForHost(const StringView& host)
{
#if PLATFORM(IOS_FAMILY)
return equalLettersIgnoringASCIICase(host, "docs.google.com");
#else
UNUSED_PARAM(host);
return false;
#endif
}
bool Quirks::shouldDispatchSyntheticMouseEventsWhenModifyingSelection() const
{
if (m_document->settings().shouldDispatchSyntheticMouseEventsWhenModifyingSelection())
return true;
if (!needsQuirks())
return false;
auto host = m_document->topDocument().url().host();
if (equalLettersIgnoringASCIICase(host, "medium.com") || host.endsWithIgnoringASCIICase(".medium.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "weebly.com") || host.endsWithIgnoringASCIICase(".weebly.com"))
return true;
return false;
}
bool Quirks::needsYouTubeMouseOutQuirk() const
{
#if PLATFORM(IOS_FAMILY)
if (m_document->settings().shouldDispatchSyntheticMouseOutAfterSyntheticClick())
return true;
if (!needsQuirks())
return false;
return equalLettersIgnoringASCIICase(m_document->url().host(), "www.youtube.com");
#else
return false;
#endif
}
bool Quirks::shouldAvoidUsingIOS13ForGmail() const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
auto& url = m_document->topDocument().url();
return equalLettersIgnoringASCIICase(url.host(), "mail.google.com");
#else
return false;
#endif
}
bool Quirks::shouldSuppressAutocorrectionAndAutocaptializationInHiddenEditableAreas() const
{
if (!needsQuirks())
return false;
return shouldSuppressAutocorrectionAndAutocaptializationInHiddenEditableAreasForHost(m_document->topDocument().url().host());
}
#if ENABLE(TOUCH_EVENTS)
bool Quirks::isAmazon() const
{
return topPrivatelyControlledDomain(m_document->topDocument().url().host().toString()).startsWith("amazon.");
}
bool Quirks::isGoogleMaps() const
{
auto& url = m_document->topDocument().url();
return topPrivatelyControlledDomain(url.host().toString()).startsWith("google.") && url.path().startsWithIgnoringASCIICase("/maps/");
}
bool Quirks::shouldDispatchSimulatedMouseEvents() const
{
if (RuntimeEnabledFeatures::sharedFeatures().mouseEventsSimulationEnabled())
return true;
if (!needsQuirks())
return false;
auto* loader = m_document->loader();
if (!loader || loader->simulatedMouseEventsDispatchPolicy() != SimulatedMouseEventsDispatchPolicy::Allow)
return false;
if (isAmazon())
return true;
if (isGoogleMaps())
return true;
auto& url = m_document->topDocument().url();
auto host = url.host();
if (equalLettersIgnoringASCIICase(host, "wix.com") || host.endsWithIgnoringASCIICase(".wix.com")) {
// Disable simulated mouse dispatching for template selection.
return !url.path().startsWithIgnoringASCIICase("/website/templates/");
}
if ((equalLettersIgnoringASCIICase(host, "desmos.com") || host.endsWithIgnoringASCIICase(".desmos.com")) && url.path().startsWithIgnoringASCIICase("/calculator/"))
return true;
if (equalLettersIgnoringASCIICase(host, "figma.com") || host.endsWithIgnoringASCIICase(".figma.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "trello.com") || host.endsWithIgnoringASCIICase(".trello.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "airtable.com") || host.endsWithIgnoringASCIICase(".airtable.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "msn.com") || host.endsWithIgnoringASCIICase(".msn.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "flipkart.com") || host.endsWithIgnoringASCIICase(".flipkart.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "iqiyi.com") || host.endsWithIgnoringASCIICase(".iqiyi.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "trailers.apple.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "soundcloud.com"))
return true;
if (equalLettersIgnoringASCIICase(host, "naver.com"))
return true;
if (host.endsWithIgnoringASCIICase(".naver.com")) {
// Disable the quirk for tv.naver.com subdomain to be able to simulate hover on videos.
if (equalLettersIgnoringASCIICase(host, "tv.naver.com"))
return false;
// Disable the quirk for mail.naver.com subdomain to be able to tap on mail subjects.
if (equalLettersIgnoringASCIICase(host, "mail.naver.com"))
return false;
// Disable the quirk on the mobile site.
// FIXME: Maybe this quirk should be disabled for "m." subdomains on all sites? These are generally mobile sites that don't need mouse events.
if (equalLettersIgnoringASCIICase(host, "m.naver.com"))
return false;
return true;
}
return false;
}
bool Quirks::shouldDispatchedSimulatedMouseEventsAssumeDefaultPrevented(EventTarget* target) const
{
if (!needsQuirks() || !shouldDispatchSimulatedMouseEvents())
return false;
if (isAmazon() && is<Element>(target)) {
// When panning on an Amazon product image, we're either touching on the #magnifierLens element
// or its previous sibling.
auto& element = downcast<Element>(*target);
if (element.getIdAttribute() == "magnifierLens")
return true;
if (auto* sibling = element.nextElementSibling())
return sibling->getIdAttribute() == "magnifierLens";
}
if (equalLettersIgnoringASCIICase(m_document->topDocument().url().host(), "soundcloud.com") && is<Element>(target))
return downcast<Element>(*target).classList().contains("sceneLayer");
return false;
}
Optional<Event::IsCancelable> Quirks::simulatedMouseEventTypeForTarget(EventTarget* target) const
{
if (!shouldDispatchSimulatedMouseEvents())
return { };
// On Google Maps, we want to limit simulated mouse events to dragging the little man that allows entering into Street View.
if (isGoogleMaps()) {
if (is<Element>(target) && downcast<Element>(target)->getAttribute("class") == "widget-expand-button-pegman-icon")
return Event::IsCancelable::Yes;
return { };
}
auto host = m_document->topDocument().url().host();
if (equalLettersIgnoringASCIICase(host, "desmos.com") || host.endsWithIgnoringASCIICase(".desmos.com"))
return Event::IsCancelable::No;
if (equalLettersIgnoringASCIICase(host, "airtable.com") || host.endsWithIgnoringASCIICase(".airtable.com")) {
// We want to limit simulated mouse events to elements under <div id="paneContainer"> to allow for column re-ordering and multiple cell selection.
if (is<Node>(target)) {
auto* node = downcast<Node>(target);
if (auto* paneContainer = node->treeScope().getElementById(AtomString("paneContainer"))) {
if (paneContainer->contains(node))
return Event::IsCancelable::Yes;
}
}
return { };
}
return Event::IsCancelable::Yes;
}
bool Quirks::shouldMakeTouchEventNonCancelableForTarget(EventTarget* target) const
{
if (!needsQuirks())
return false;
auto host = m_document->topDocument().url().host();
if (equalLettersIgnoringASCIICase(host, "www.youtube.com")) {
if (is<Element>(target)) {
unsigned depth = 3;
for (auto* element = downcast<Element>(target); element && depth; element = element->parentElement(), --depth) {
if (element->localName() == "paper-item" && element->classList().contains("yt-dropdown-menu"))
return true;
}
}
}
return false;
}
#endif
bool Quirks::shouldAvoidResizingWhenInputViewBoundsChange() const
{
if (!needsQuirks())
return false;
auto host = m_document->topDocument().url().host();
if (equalLettersIgnoringASCIICase(host, "live.com") || host.endsWithIgnoringASCIICase(".live.com"))
return true;
if (host.endsWithIgnoringASCIICase(".sharepoint.com"))
return true;
return false;
}
bool Quirks::shouldDisablePointerEventsQuirk() const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
auto& url = m_document->topDocument().url();
auto host = url.host();
if (equalLettersIgnoringASCIICase(host, "mailchimp.com") || host.endsWithIgnoringASCIICase(".mailchimp.com"))
return true;
#endif
return false;
}
bool Quirks::needsDeferKeyDownAndKeyPressTimersUntilNextEditingCommand() const
{
#if PLATFORM(IOS_FAMILY)
if (m_document->settings().needsDeferKeyDownAndKeyPressTimersUntilNextEditingCommandQuirk())
return true;
if (!needsQuirks())
return false;
auto& url = m_document->topDocument().url();
return equalLettersIgnoringASCIICase(url.host(), "docs.google.com") && url.path().startsWithIgnoringASCIICase("/spreadsheets/");
#else
return false;
#endif
}
// FIXME(<rdar://problem/50394969>): Remove after desmos.com adopts inputmode="none".
bool Quirks::needsInputModeNoneImplicitly(const HTMLElement& element) const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
if (element.hasTagName(HTMLNames::inputTag)) {
if (!equalLettersIgnoringASCIICase(m_document->url().host(), "calendar.google.com"))
return false;
static NeverDestroyed<QualifiedName> dataInitialValueAttr(nullAtom(), "data-initial-value", nullAtom());
static NeverDestroyed<QualifiedName> dataPreviousValueAttr(nullAtom(), "data-previous-value", nullAtom());
return equalLettersIgnoringASCIICase(element.attributeWithoutSynchronization(HTMLNames::autocompleteAttr), "off")
&& element.hasAttributeWithoutSynchronization(dataInitialValueAttr)
&& element.hasAttributeWithoutSynchronization(dataPreviousValueAttr);
}
if (!element.hasTagName(HTMLNames::textareaTag))
return false;
auto& url = m_document->url();
auto host = url.host();
if (!host.endsWithIgnoringASCIICase(".desmos.com"))
return false;
return element.parentElement() && element.parentElement()->classNames().contains("dcg-mq-textarea");
#else
UNUSED_PARAM(element);
return false;
#endif
}
// FIXME: Remove after the site is fixed, <rdar://problem/50374200>
bool Quirks::needsGMailOverflowScrollQuirk() const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
if (!m_needsGMailOverflowScrollQuirk)
m_needsGMailOverflowScrollQuirk = equalLettersIgnoringASCIICase(m_document->url().host(), "mail.google.com");
return *m_needsGMailOverflowScrollQuirk;
#else
return false;
#endif
}
// FIXME: Remove after the site is fixed, <rdar://problem/50374311>
bool Quirks::needsYouTubeOverflowScrollQuirk() const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
if (!m_needsYouTubeOverflowScrollQuirk)
m_needsYouTubeOverflowScrollQuirk = equalLettersIgnoringASCIICase(m_document->url().host(), "www.youtube.com");
return *m_needsYouTubeOverflowScrollQuirk;
#else
return false;
#endif
}
bool Quirks::shouldAvoidScrollingWhenFocusedContentIsVisible() const
{
if (!needsQuirks())
return false;
return equalLettersIgnoringASCIICase(m_document->url().host(), "www.zillow.com");
}
bool Quirks::shouldUseLegacySelectPopoverDismissalBehaviorInDataActivation() const
{
if (!needsQuirks())
return false;
auto host = m_document->url().host();
return equalLettersIgnoringASCIICase(host, "att.com") || host.endsWithIgnoringASCIICase(".att.com");
}
bool Quirks::shouldIgnoreAriaForFastPathContentObservationCheck() const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
auto host = m_document->url().host();
return equalLettersIgnoringASCIICase(host, "www.ralphlauren.com");
#endif
return false;
}
bool Quirks::shouldOpenAsAboutBlank(const String& stringToOpen) const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
auto openerURL = m_document->url();
if (!equalLettersIgnoringASCIICase(openerURL.host(), "docs.google.com"))
return false;
if (!m_document->frame() || !m_document->frame()->loader().userAgent(openerURL).contains("Macintosh"))
return false;
URL urlToOpen { URL { }, stringToOpen };
if (!urlToOpen.protocolIsAbout())
return false;
return !equalLettersIgnoringASCIICase(urlToOpen.host(), "blank") && !equalLettersIgnoringASCIICase(urlToOpen.host(), "srcdoc");
#else
UNUSED_PARAM(stringToOpen);
return false;
#endif
}
bool Quirks::needsPreloadAutoQuirk() const
{
#if PLATFORM(IOS_FAMILY)
if (!needsQuirks())
return false;
if (m_needsPreloadAutoQuirk)
return m_needsPreloadAutoQuirk.value();
auto domain = m_document->securityOrigin().domain().convertToASCIILowercase();
m_needsPreloadAutoQuirk = domain == "vimeo.com" || domain.endsWith("vimeo.com");
return m_needsPreloadAutoQuirk.value();
#else
return false;
#endif
}
bool Quirks::shouldBypassBackForwardCache() const
{
if (!needsQuirks())
return false;
auto topURL = m_document->topDocument().url();
auto host = topURL.host();
// Vimeo.com used to bypass the back/forward cache by serving "Cache-Control: no-store" over HTTPS.
// We started caching such content in r250437 but the vimeo.com content unfortunately is not currently compatible
// because it changes the opacity of its body to 0 when navigating away and fails to restore the original opacity
// when coming back from the back/forward cache (e.g. in 'pageshow' event handler). See <rdar://problem/56996057>.
if (topURL.protocolIs("https") && equalLettersIgnoringASCIICase(host, "vimeo.com")) {
if (auto* documentLoader = m_document->frame() ? m_document->frame()->loader().documentLoader() : nullptr)
return documentLoader->response().cacheControlContainsNoStore();
}
return false;
}
#if ENABLE(MEDIA_STREAM)
bool Quirks::shouldEnableLegacyGetUserMedia() const
{
if (!needsQuirks())
return false;
return m_document->url().protocolIs("https") && equalLettersIgnoringASCIICase(m_document-> url().host(), "www.baidu.com");
}
#endif
}