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/*
* Copyright (C) 2019-2020 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 "WebCookieJar.h"
#include "NetworkConnectionToWebProcessMessages.h"
#include "NetworkProcessConnection.h"
#include "WebFrame.h"
#include "WebPage.h"
#include "WebProcess.h"
#include <WebCore/CookieRequestHeaderFieldProxy.h>
#include <WebCore/DeprecatedGlobalSettings.h>
#include <WebCore/Document.h>
#include <WebCore/Frame.h>
#include <WebCore/FrameDestructionObserverInlines.h>
#include <WebCore/FrameLoader.h>
#include <WebCore/FrameLoaderClient.h>
#include <WebCore/Settings.h>
#include <WebCore/StorageSessionProvider.h>
namespace WebKit {
using namespace WebCore;
class WebStorageSessionProvider : public WebCore::StorageSessionProvider {
// NetworkStorageSessions are accessed only in the NetworkProcess.
WebCore::NetworkStorageSession* storageSession() const final { return nullptr; }
};
WebCookieJar::WebCookieJar()
: WebCore::CookieJar(adoptRef(*new WebStorageSessionProvider)) { }
#if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
static bool shouldBlockCookies(WebFrame* frame, const URL& firstPartyForCookies, const URL& resourceURL, ShouldAskITP& shouldAskITPInNetworkProcess)
{
if (!WebCore::DeprecatedGlobalSettings::resourceLoadStatisticsEnabled())
return false;
RegistrableDomain firstPartyDomain { firstPartyForCookies };
if (firstPartyDomain.isEmpty())
return false;
RegistrableDomain resourceDomain { resourceURL };
if (resourceDomain.isEmpty())
return false;
if (firstPartyDomain == resourceDomain)
return false;
if (frame) {
if (frame->frameLoaderClient()->hasFrameSpecificStorageAccess())
return false;
if (auto* page = frame->page()) {
if (page->hasPageLevelStorageAccess(firstPartyDomain, resourceDomain))
return false;
if (auto* corePage = page->corePage()) {
if (corePage->shouldRelaxThirdPartyCookieBlocking() == WebCore::ShouldRelaxThirdPartyCookieBlocking::Yes)
return false;
}
}
}
// The WebContent process does not have enough information to deal with other policies than ThirdPartyCookieBlockingMode::All so we have to go to the NetworkProcess for all
// other policies and the request may end up getting blocked on NetworkProcess side.
if (WebProcess::singleton().thirdPartyCookieBlockingMode() != ThirdPartyCookieBlockingMode::All) {
shouldAskITPInNetworkProcess = ShouldAskITP::Yes;
return false;
}
return true;
}
#endif
bool WebCookieJar::isEligibleForCache(WebFrame& frame, const URL& firstPartyForCookies, const URL& resourceURL) const
{
auto* page = frame.page() ? frame.page()->corePage() : nullptr;
if (!page || !page->settings().inProcessCookieCacheEnabled())
return false;
if (!m_cache.isSupported())
return false;
// For now, we only cache cookies for first-party content. Third-party cookie caching is a bit more complicated due to partitioning and storage access.
RegistrableDomain resourceDomain { resourceURL };
if (resourceDomain.isEmpty())
return false;
return frame.isMainFrame() || RegistrableDomain { firstPartyForCookies } == resourceDomain;
}
static WebCore::ShouldRelaxThirdPartyCookieBlocking shouldRelaxThirdPartyCookieBlocking(const WebFrame* frame)
{
if (!frame)
return WebCore::ShouldRelaxThirdPartyCookieBlocking::No;
auto* page = frame->page();
if (!page)
return WebCore::ShouldRelaxThirdPartyCookieBlocking::No;
auto* corePage = page->corePage();
if (!corePage)
return WebCore::ShouldRelaxThirdPartyCookieBlocking::No;
return corePage->shouldRelaxThirdPartyCookieBlocking();
}
String WebCookieJar::cookies(WebCore::Document& document, const URL& url) const
{
auto* webFrame = document.frame() ? WebFrame::fromCoreFrame(*document.frame()) : nullptr;
if (!webFrame || !webFrame->page())
return { };
ShouldAskITP shouldAskITPInNetworkProcess = ShouldAskITP::No;
#if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
if (shouldBlockCookies(webFrame, document.firstPartyForCookies(), url, shouldAskITPInNetworkProcess))
return { };
#endif
auto sameSiteInfo = CookieJar::sameSiteInfo(document, IsForDOMCookieAccess::Yes);
auto includeSecureCookies = CookieJar::shouldIncludeSecureCookies(document, url);
auto frameID = webFrame->frameID();
auto pageID = webFrame->page()->identifier();
if (isEligibleForCache(*webFrame, document.firstPartyForCookies(), url))
return m_cache.cookiesForDOM(document.firstPartyForCookies(), sameSiteInfo, url, frameID, pageID, includeSecureCookies);
String cookieString;
bool secureCookiesAccessed = false;
if (!WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::CookiesForDOM(document.firstPartyForCookies(), sameSiteInfo, url, frameID, pageID, includeSecureCookies, shouldAskITPInNetworkProcess, shouldRelaxThirdPartyCookieBlocking(webFrame)), Messages::NetworkConnectionToWebProcess::CookiesForDOM::Reply(cookieString, secureCookiesAccessed), 0))
return { };
return cookieString;
}
void WebCookieJar::setCookies(WebCore::Document& document, const URL& url, const String& cookieString)
{
auto* webFrame = document.frame() ? WebFrame::fromCoreFrame(*document.frame()) : nullptr;
if (!webFrame || !webFrame->page())
return;
ShouldAskITP shouldAskITPInNetworkProcess = ShouldAskITP::No;
#if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
if (shouldBlockCookies(webFrame, document.firstPartyForCookies(), url, shouldAskITPInNetworkProcess))
return;
#endif
auto sameSiteInfo = CookieJar::sameSiteInfo(document, IsForDOMCookieAccess::Yes);
auto frameID = webFrame->frameID();
auto pageID = webFrame->page()->identifier();
if (isEligibleForCache(*webFrame, document.firstPartyForCookies(), url))
m_cache.setCookiesFromDOM(document.firstPartyForCookies(), sameSiteInfo, url, frameID, pageID, cookieString, shouldRelaxThirdPartyCookieBlocking(webFrame));
WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::SetCookiesFromDOM(document.firstPartyForCookies(), sameSiteInfo, url, frameID, pageID, shouldAskITPInNetworkProcess, cookieString, shouldRelaxThirdPartyCookieBlocking(webFrame)), 0);
}
void WebCookieJar::cookiesAdded(const String& host, const Vector<WebCore::Cookie>& cookies)
{
m_cache.cookiesAdded(host, cookies);
}
void WebCookieJar::cookiesDeleted(const String& host, const Vector<WebCore::Cookie>& cookies)
{
m_cache.cookiesDeleted(host, cookies);
}
void WebCookieJar::allCookiesDeleted()
{
m_cache.allCookiesDeleted();
}
void WebCookieJar::clearCache()
{
m_cache.clear();
}
void WebCookieJar::clearCacheForHost(const String& host)
{
m_cache.clearForHost(host);
}
bool WebCookieJar::cookiesEnabled(const Document& document) const
{
auto* webFrame = document.frame() ? WebFrame::fromCoreFrame(*document.frame()) : nullptr;
if (!webFrame || !webFrame->page())
return false;
#if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
ShouldAskITP dummy;
if (shouldBlockCookies(webFrame, document.firstPartyForCookies(), document.cookieURL(), dummy))
return false;
#endif
return WebProcess::singleton().ensureNetworkProcessConnection().cookiesEnabled();
}
std::pair<String, WebCore::SecureCookiesAccessed> WebCookieJar::cookieRequestHeaderFieldValue(const URL& firstParty, const WebCore::SameSiteInfo& sameSiteInfo, const URL& url, std::optional<FrameIdentifier> frameID, std::optional<PageIdentifier> pageID, WebCore::IncludeSecureCookies includeSecureCookies) const
{
ShouldAskITP shouldAskITPInNetworkProcess = ShouldAskITP::No;
auto* webFrame = frameID ? WebProcess::singleton().webFrame(*frameID) : nullptr;
#if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
if (shouldBlockCookies(webFrame, firstParty, url, shouldAskITPInNetworkProcess))
return { };
#endif
String cookieString;
bool secureCookiesAccessed = false;
if (!WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::CookieRequestHeaderFieldValue(firstParty, sameSiteInfo, url, frameID, pageID, includeSecureCookies, shouldAskITPInNetworkProcess, shouldRelaxThirdPartyCookieBlocking(webFrame)), Messages::NetworkConnectionToWebProcess::CookieRequestHeaderFieldValue::Reply(cookieString, secureCookiesAccessed), 0))
return { };
return { cookieString, secureCookiesAccessed ? WebCore::SecureCookiesAccessed::Yes : WebCore::SecureCookiesAccessed::No };
}
bool WebCookieJar::getRawCookies(const WebCore::Document& document, const URL& url, Vector<WebCore::Cookie>& rawCookies) const
{
auto* webFrame = document.frame() ? WebFrame::fromCoreFrame(*document.frame()) : nullptr;
ShouldAskITP shouldAskITPInNetworkProcess = ShouldAskITP::No;
#if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
if (shouldBlockCookies(webFrame, document.firstPartyForCookies(), url, shouldAskITPInNetworkProcess))
return { };
#endif
std::optional<FrameIdentifier> frameID = webFrame ? std::make_optional(webFrame->frameID()) : std::nullopt;
std::optional<PageIdentifier> pageID = webFrame && webFrame->page() ? std::make_optional(webFrame->page()->identifier()) : std::nullopt;
if (!WebProcess::singleton().ensureNetworkProcessConnection().connection().sendSync(Messages::NetworkConnectionToWebProcess::GetRawCookies(document.firstPartyForCookies(), sameSiteInfo(document), url, frameID, pageID, shouldAskITPInNetworkProcess, shouldRelaxThirdPartyCookieBlocking(webFrame)), Messages::NetworkConnectionToWebProcess::GetRawCookies::Reply(rawCookies), 0))
return false;
return true;
}
void WebCookieJar::setRawCookie(const WebCore::Document& document, const Cookie& cookie)
{
WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::SetRawCookie(cookie), 0);
}
void WebCookieJar::deleteCookie(const WebCore::Document& document, const URL& url, const String& cookieName, CompletionHandler<void()>&& completionHandler)
{
WebProcess::singleton().ensureNetworkProcessConnection().connection().sendWithAsyncReply(Messages::NetworkConnectionToWebProcess::DeleteCookie(url, cookieName), WTFMove(completionHandler));
}
} // namespace WebKit
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