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/*
* Copyright (C) 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 "WebCookieCache.h"
#include "NetworkConnectionToWebProcessMessages.h"
#include "NetworkProcessConnection.h"
#include "WebCookieJar.h"
#include "WebProcess.h"
#include <wtf/text/StringBuilder.h>
namespace WebKit {
using namespace WebCore;
WebCookieCache::~WebCookieCache() = default;
bool WebCookieCache::isSupported()
{
#if HAVE(COOKIE_CHANGE_LISTENER_API)
return true;
#else
return false;
#endif
}
static String cookiesToString(const Vector<WebCore::Cookie>& cookies)
{
StringBuilder cookiesBuilder;
for (auto& cookie : cookies) {
if (cookie.name.isEmpty())
continue;
ASSERT(!cookie.httpOnly);
if (cookie.httpOnly)
continue;
if (!cookiesBuilder.isEmpty())
cookiesBuilder.append("; "_s);
cookiesBuilder.append(cookie.name);
cookiesBuilder.append('=');
cookiesBuilder.append(cookie.value);
}
return cookiesBuilder.toString();
}
String WebCookieCache::cookiesForDOM(const URL& firstParty, const SameSiteInfo& sameSiteInfo, const URL& url, FrameIdentifier frameID, PageIdentifier pageID, WebPageProxyIdentifier webPageProxyID, IncludeSecureCookies includeSecureCookies)
{
bool hasCacheForHost = m_hostsWithInMemoryStorage.contains<StringViewHashTranslator>(url.host());
if (!hasCacheForHost || cacheMayBeOutOfSync()) {
auto host = url.host().toString();
#if HAVE(COOKIE_CHANGE_LISTENER_API)
if (!hasCacheForHost)
WebProcess::singleton().protectedCookieJar()->addChangeListenerWithAccess(url, firstParty, frameID, pageID, webPageProxyID, *this);
#endif
auto sendResult = WebProcess::singleton().ensureNetworkProcessConnection().protectedConnection()->sendSync(Messages::NetworkConnectionToWebProcess::DomCookiesForHost(url), 0);
if (!sendResult.succeeded())
return { };
auto& [cookies] = sendResult.reply();
if (hasCacheForHost)
return cookiesToString(cookies);
pruneCacheIfNecessary();
m_hostsWithInMemoryStorage.add(WTFMove(host));
for (auto& cookie : cookies)
inMemoryStorageSession().setCookie(cookie);
}
return inMemoryStorageSession().cookiesForDOM(firstParty, sameSiteInfo, url, frameID, pageID, includeSecureCookies, ApplyTrackingPrevention::No, ShouldRelaxThirdPartyCookieBlocking::No).first;
}
void WebCookieCache::setCookiesFromDOM(const URL& firstParty, const SameSiteInfo& sameSiteInfo, const URL& url, FrameIdentifier frameID, PageIdentifier pageID, const String& cookieString, ShouldRelaxThirdPartyCookieBlocking shouldRelaxThirdPartyCookieBlocking)
{
if (m_hostsWithInMemoryStorage.contains<StringViewHashTranslator>(url.host()))
inMemoryStorageSession().setCookiesFromDOM(firstParty, sameSiteInfo, url, frameID, pageID, ApplyTrackingPrevention::No, RequiresScriptTelemetry::No, cookieString, shouldRelaxThirdPartyCookieBlocking);
}
PendingCookieUpdateCounter::Token WebCookieCache::willSetCookieFromDOM()
{
return m_pendingCookieUpdateCounter.count();
}
void WebCookieCache::didSetCookieFromDOM(PendingCookieUpdateCounter::Token, const URL& firstParty, const SameSiteInfo& sameSiteInfo, const URL& url, FrameIdentifier frameID, PageIdentifier pageID, const WebCore::Cookie& cookie, ShouldRelaxThirdPartyCookieBlocking shouldRelaxThirdPartyCookieBlocking)
{
if (m_hostsWithInMemoryStorage.contains<StringViewHashTranslator>(url.host()))
inMemoryStorageSession().setCookieFromDOM(firstParty, sameSiteInfo, url, frameID, pageID, ApplyTrackingPrevention::No, RequiresScriptTelemetry::No, cookie, shouldRelaxThirdPartyCookieBlocking);
}
void WebCookieCache::cookiesAdded(const String& host, const Vector<WebCore::Cookie>& cookies)
{
if (!m_hostsWithInMemoryStorage.contains(host))
return;
for (auto& cookie : cookies)
inMemoryStorageSession().setCookie(cookie);
}
void WebCookieCache::cookiesDeleted(const String& host, const Vector<WebCore::Cookie>& cookies)
{
if (!m_hostsWithInMemoryStorage.contains(host))
return;
for (auto& cookie : cookies)
inMemoryStorageSession().deleteCookie(cookie, [] { });
}
void WebCookieCache::allCookiesDeleted()
{
clear();
}
void WebCookieCache::clear()
{
#if HAVE(COOKIE_CHANGE_LISTENER_API)
for (auto& host : m_hostsWithInMemoryStorage)
WebProcess::singleton().protectedCookieJar()->removeChangeListener(host, *this);
#endif
m_hostsWithInMemoryStorage.clear();
m_inMemoryStorageSession = nullptr;
}
void WebCookieCache::clearForHost(const String& host)
{
String removedHost = m_hostsWithInMemoryStorage.take(host);
if (removedHost.isNull())
return;
inMemoryStorageSession().deleteCookiesForHostnames(Vector<String> { removedHost }, [] { });
#if HAVE(COOKIE_CHANGE_LISTENER_API)
WebProcess::singleton().protectedCookieJar()->removeChangeListener(removedHost, *this);
#endif
}
void WebCookieCache::pruneCacheIfNecessary()
{
// We may want to raise this limit if we start using the cache for third-party iframes.
static const unsigned maxCachedHosts = 5;
while (m_hostsWithInMemoryStorage.size() >= maxCachedHosts)
clearForHost(*m_hostsWithInMemoryStorage.random());
}
#if !PLATFORM(COCOA) && !USE(SOUP)
NetworkStorageSession& WebCookieCache::inMemoryStorageSession()
{
ASSERT_NOT_IMPLEMENTED_YET();
return *m_inMemoryStorageSession;
}
#if HAVE(ALLOW_ONLY_PARTITIONED_COOKIES)
void WebCookieCache::setOptInCookiePartitioningEnabled(bool)
{
ASSERT_NOT_IMPLEMENTED_YET();
}
#endif
#endif
bool WebCookieCache::cacheMayBeOutOfSync() const
{
return m_pendingCookieUpdateCounter.value() > 0;
}
} // namespace WebKit
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