[ tor-browser ].git.dasho

CookieStoreParent.cpp (20323B)
      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "CookieStoreParent.h"
      8 
      9 #include "CookieStoreNotificationWatcher.h"
     10 #include "CookieStoreSubscriptionService.h"
     11 #include "mozilla/Components.h"
     12 #include "mozilla/Maybe.h"
     13 #include "mozilla/ScopeExit.h"
     14 #include "mozilla/ipc/BackgroundParent.h"
     15 #include "mozilla/ipc/URIUtils.h"  // for ParamTraits<nsIURI*>
     16 #include "mozilla/net/Cookie.h"
     17 #include "mozilla/net/CookieCommons.h"
     18 #include "mozilla/net/CookieParser.h"
     19 #include "mozilla/net/CookiePrefixes.h"
     20 #include "mozilla/net/CookieServiceParent.h"
     21 #include "mozilla/net/CookieValidation.h"
     22 #include "mozilla/net/NeckoParent.h"
     23 #include "nsICookieManager.h"
     24 #include "nsICookieService.h"
     25 #include "nsIEffectiveTLDService.h"
     26 #include "nsProxyRelease.h"
     27 
     28 using namespace mozilla::ipc;
     29 using namespace mozilla::net;
     30 
     31 namespace mozilla::dom {
     32 
     33 namespace {
     34 
     35 bool CheckContentProcessSecurity(ThreadsafeContentParentHandle* aParent,
     36                                 const nsACString& aDomain,
     37                                 const OriginAttributes& aOriginAttributes) {
     38  AssertIsOnMainThread();
     39 
     40  // ContentParent is null if we are dealing with the same process.
     41  if (!aParent) {
     42    return true;
     43  }
     44 
     45  RefPtr<ContentParent> contentParent = aParent->GetContentParent();
     46  if (!contentParent) {
     47    return true;
     48  }
     49 
     50  PNeckoParent* neckoParent =
     51      LoneManagedOrNullAsserts(contentParent->ManagedPNeckoParent());
     52  if (!neckoParent) {
     53    return true;
     54  }
     55 
     56  PCookieServiceParent* csParent =
     57      LoneManagedOrNullAsserts(neckoParent->ManagedPCookieServiceParent());
     58  if (!csParent) {
     59    return true;
     60  }
     61 
     62  auto* cs = static_cast<CookieServiceParent*>(csParent);
     63 
     64  return cs->ContentProcessHasCookie(aDomain, aOriginAttributes);
     65 }
     66 
     67 }  // namespace
     68 
     69 CookieStoreParent::CookieStoreParent() { AssertIsOnBackgroundThread(); }
     70 
     71 CookieStoreParent::~CookieStoreParent() {
     72  CookieStoreNotificationWatcher::ReleaseOnMainThread(
     73      mNotificationWatcherOnMainThread.forget());
     74 }
     75 
     76 mozilla::ipc::IPCResult CookieStoreParent::RecvGetRequest(
     77    NotNull<RefPtr<nsIURI>> aCookieURI,
     78    const OriginAttributes& aOriginAttributes,
     79    const Maybe<OriginAttributes>& aPartitionedOriginAttributes,
     80    const bool& aThirdPartyContext, const bool& aPartitionForeign,
     81    const bool& aUsingStorageAccess, const bool& aIsOn3PCBExceptionList,
     82    const bool& aMatchName, const nsString& aName, const nsCString& aPath,
     83    const bool& aOnlyFirstMatch, GetRequestResolver&& aResolver) {
     84  AssertIsOnBackgroundThread();
     85 
     86  InvokeAsync(GetMainThreadSerialEventTarget(), __func__,
     87              [self = RefPtr(this), uri = aCookieURI.get(), aOriginAttributes,
     88               aPartitionedOriginAttributes, aThirdPartyContext,
     89               aPartitionForeign, aUsingStorageAccess, aIsOn3PCBExceptionList,
     90               aMatchName, aName, aPath, aOnlyFirstMatch]() {
     91                CopyableTArray<CookieStruct> results;
     92                self->GetRequestOnMainThread(
     93                    uri, aOriginAttributes, aPartitionedOriginAttributes,
     94                    aThirdPartyContext, aPartitionForeign, aUsingStorageAccess,
     95                    aIsOn3PCBExceptionList, aMatchName, aName, aPath,
     96                    aOnlyFirstMatch, results);
     97                return GetRequestPromise::CreateAndResolve(std::move(results),
     98                                                           __func__);
     99              })
    100      ->Then(GetCurrentSerialEventTarget(), __func__,
    101             [aResolver = std::move(aResolver)](
    102                 const GetRequestPromise::ResolveOrRejectValue& aResult) {
    103               MOZ_ASSERT(aResult.IsResolve());
    104               aResolver(aResult.ResolveValue());
    105             });
    106 
    107  return IPC_OK();
    108 }
    109 
    110 mozilla::ipc::IPCResult CookieStoreParent::RecvSetRequest(
    111    NotNull<RefPtr<nsIURI>> aCookieURI,
    112    const OriginAttributes& aOriginAttributes, const bool& aThirdPartyContext,
    113    const bool& aPartitionForeign, const bool& aUsingStorageAccess,
    114    const bool& aIsOn3PCBExceptionList, const nsString& aName,
    115    const nsString& aValue, const bool& aSession, const int64_t& aExpires,
    116    const nsString& aDomain, const nsString& aPath, const int32_t& aSameSite,
    117    const bool& aPartitioned, const nsID& aOperationID,
    118    SetRequestResolver&& aResolver) {
    119  AssertIsOnBackgroundThread();
    120 
    121  RefPtr<ThreadsafeContentParentHandle> parent =
    122      BackgroundParent::GetContentParentHandle(Manager());
    123 
    124  InvokeAsync(
    125      GetMainThreadSerialEventTarget(), __func__,
    126      [self = RefPtr(this), parent = RefPtr(parent), uri = aCookieURI.get(),
    127       aDomain, aOriginAttributes, aThirdPartyContext, aPartitionForeign,
    128       aUsingStorageAccess, aIsOn3PCBExceptionList, aName, aValue, aSession,
    129       aExpires, aPath, aSameSite, aPartitioned, aOperationID]() {
    130        bool waitForNotification = false;
    131        SetReturnType ret = self->SetRequestOnMainThread(
    132            parent, uri, aDomain, aOriginAttributes, aThirdPartyContext,
    133            aPartitionForeign, aUsingStorageAccess, aIsOn3PCBExceptionList,
    134            aName, aValue, aSession, aExpires, aPath, aSameSite, aPartitioned,
    135            aOperationID, waitForNotification);
    136 
    137        switch (ret) {
    138          case eFailure:
    139            return SetDeleteRequestPromise::CreateAndReject(false, __func__);
    140 
    141          case eSuccess:
    142            return SetDeleteRequestPromise::CreateAndResolve(
    143                waitForNotification, __func__);
    144 
    145          case eSilentFailure:
    146          default:
    147            return SetDeleteRequestPromise::CreateAndResolve(false, __func__);
    148        }
    149      })
    150      ->Then(GetCurrentSerialEventTarget(), __func__,
    151             [aResolver = std::move(aResolver)](
    152                 const SetDeleteRequestPromise::ResolveOrRejectValue& aResult) {
    153               if (aResult.IsResolve()) {
    154                 aResolver(CookieStoreResult(true, aResult.ResolveValue()));
    155                 return;
    156               }
    157 
    158               aResolver(CookieStoreResult(false, false));
    159             });
    160 
    161  return IPC_OK();
    162 }
    163 
    164 mozilla::ipc::IPCResult CookieStoreParent::RecvDeleteRequest(
    165    NotNull<RefPtr<nsIURI>> aCookieURI,
    166    const OriginAttributes& aOriginAttributes, const bool& aThirdPartyContext,
    167    const bool& aPartitionForeign, const bool& aUsingStorageAccess,
    168    const bool& aIsOn3PCBExceptionList, const nsString& aName,
    169    const nsString& aDomain, const nsString& aPath, const bool& aPartitioned,
    170    const nsID& aOperationID, DeleteRequestResolver&& aResolver) {
    171  AssertIsOnBackgroundThread();
    172 
    173  RefPtr<ThreadsafeContentParentHandle> parent =
    174      BackgroundParent::GetContentParentHandle(Manager());
    175 
    176  InvokeAsync(
    177      GetMainThreadSerialEventTarget(), __func__,
    178      [self = RefPtr(this), parent = RefPtr(parent), uri = aCookieURI.get(),
    179       aDomain, aOriginAttributes, aThirdPartyContext, aPartitionForeign,
    180       aUsingStorageAccess, aIsOn3PCBExceptionList, aName, aPath, aPartitioned,
    181       aOperationID]() {
    182        bool waitForNotification = self->DeleteRequestOnMainThread(
    183            parent, uri, aDomain, aOriginAttributes, aThirdPartyContext,
    184            aPartitionForeign, aUsingStorageAccess, aIsOn3PCBExceptionList,
    185            aName, aPath, aPartitioned, aOperationID);
    186        return SetDeleteRequestPromise::CreateAndResolve(waitForNotification,
    187                                                         __func__);
    188      })
    189      ->Then(GetCurrentSerialEventTarget(), __func__,
    190             [aResolver = std::move(aResolver)](
    191                 const SetDeleteRequestPromise::ResolveOrRejectValue& aResult) {
    192               MOZ_ASSERT(aResult.IsResolve());
    193               aResolver(aResult.ResolveValue());
    194             });
    195  return IPC_OK();
    196 }
    197 
    198 mozilla::ipc::IPCResult CookieStoreParent::RecvGetSubscriptionsRequest(
    199    const PrincipalInfo& aPrincipalInfo, const nsCString& aScopeURL,
    200    GetSubscriptionsRequestResolver&& aResolver) {
    201  AssertIsOnBackgroundThread();
    202 
    203  InvokeAsync(GetMainThreadSerialEventTarget(), __func__,
    204              [self = RefPtr(this), aPrincipalInfo, aScopeURL]() {
    205                CookieStoreSubscriptionService* service =
    206                    CookieStoreSubscriptionService::Instance();
    207                if (!service) {
    208                  return GetSubscriptionsRequestPromise::CreateAndReject(
    209                      NS_ERROR_FAILURE, __func__);
    210                }
    211 
    212                nsTArray<CookieSubscription> subscriptions;
    213                service->GetSubscriptions(aPrincipalInfo, aScopeURL,
    214                                          subscriptions);
    215 
    216                return GetSubscriptionsRequestPromise::CreateAndResolve(
    217                    std::move(subscriptions), __func__);
    218              })
    219      ->Then(GetCurrentSerialEventTarget(), __func__,
    220             [aResolver = std::move(aResolver)](
    221                 const GetSubscriptionsRequestPromise::ResolveOrRejectValue&
    222                     aResult) {
    223               if (aResult.IsResolve()) {
    224                 aResolver(aResult.ResolveValue());
    225                 return;
    226               }
    227 
    228               aResolver(nsTArray<CookieSubscription>());
    229             });
    230 
    231  return IPC_OK();
    232 }
    233 
    234 mozilla::ipc::IPCResult CookieStoreParent::RecvSubscribeOrUnsubscribeRequest(
    235    const PrincipalInfo& aPrincipalInfo, const nsCString& aScopeURL,
    236    const CopyableTArray<CookieSubscription>& aSubscriptions,
    237    bool aSubscription, SubscribeOrUnsubscribeRequestResolver&& aResolver) {
    238  AssertIsOnBackgroundThread();
    239 
    240  InvokeAsync(GetMainThreadSerialEventTarget(), __func__,
    241              [self = RefPtr(this), aPrincipalInfo, aScopeURL, aSubscriptions,
    242               aSubscription]() {
    243                CookieStoreSubscriptionService* service =
    244                    CookieStoreSubscriptionService::Instance();
    245                if (!service) {
    246                  return SubscribeOrUnsubscribeRequestPromise::CreateAndReject(
    247                      NS_ERROR_FAILURE, __func__);
    248                }
    249 
    250                if (aSubscription) {
    251                  service->Subscribe(aPrincipalInfo, aScopeURL, aSubscriptions);
    252                } else {
    253                  service->Unsubscribe(aPrincipalInfo, aScopeURL,
    254                                       aSubscriptions);
    255                }
    256 
    257                return SubscribeOrUnsubscribeRequestPromise::CreateAndResolve(
    258                    true, __func__);
    259              })
    260      ->Then(
    261          GetCurrentSerialEventTarget(), __func__,
    262          [aResolver = std::move(aResolver)](
    263              const SubscribeOrUnsubscribeRequestPromise::ResolveOrRejectValue&
    264                  aResult) { aResolver(aResult.IsResolve()); });
    265 
    266  return IPC_OK();
    267 }
    268 
    269 mozilla::ipc::IPCResult CookieStoreParent::RecvClose() {
    270  AssertIsOnBackgroundThread();
    271 
    272  (void)Send__delete__(this);
    273  return IPC_OK();
    274 }
    275 
    276 void CookieStoreParent::GetRequestOnMainThread(
    277    const RefPtr<nsIURI> aCookieURI, const OriginAttributes& aOriginAttributes,
    278    const Maybe<OriginAttributes>& aPartitionedOriginAttributes,
    279    bool aThirdPartyContext, bool aPartitionForeign, bool aUsingStorageAccess,
    280    bool aIsOn3PCBExceptionList, bool aMatchName, const nsAString& aName,
    281    const nsACString& aPath, bool aOnlyFirstMatch,
    282    nsTArray<CookieStruct>& aResults) {
    283  nsresult rv;
    284  MOZ_ASSERT(NS_IsMainThread());
    285 
    286  nsCOMPtr<nsICookieService> service =
    287      do_GetService(NS_COOKIESERVICE_CONTRACTID);
    288  if (!service) {
    289    return;
    290  }
    291 
    292  nsAutoCString baseDomain;
    293  nsCOMPtr<nsIEffectiveTLDService> etld =
    294      mozilla::components::EffectiveTLD::Service();
    295  bool requireMatch = false;
    296  rv = CookieCommons::GetBaseDomain(etld, aCookieURI, baseDomain, requireMatch);
    297  if (NS_FAILED(rv)) {
    298    return;
    299  }
    300 
    301  nsAutoCString hostName;
    302  rv = nsContentUtils::GetHostOrIPv6WithBrackets(aCookieURI, hostName);
    303  if (NS_FAILED(rv)) {
    304    return;
    305  }
    306 
    307  NS_ConvertUTF16toUTF8 matchName(aName);
    308 
    309  nsTArray<OriginAttributes> attrsList;
    310  attrsList.AppendElement(aOriginAttributes);
    311 
    312  if (aPartitionedOriginAttributes) {
    313    attrsList.AppendElement(aPartitionedOriginAttributes.value());
    314  }
    315 
    316  nsTArray<CookieStruct> list;
    317 
    318  for (const OriginAttributes& attrs : attrsList) {
    319    nsTArray<RefPtr<Cookie>> cookies;
    320    service->GetCookiesFromHost(baseDomain, attrs, cookies);
    321 
    322    for (Cookie* cookie : cookies) {
    323      if (!CookieCommons::DomainMatches(cookie, hostName)) {
    324        continue;
    325      }
    326      if (cookie->IsHttpOnly()) {
    327        continue;
    328      }
    329 
    330      if (aThirdPartyContext &&
    331          !CookieCommons::ShouldIncludeCrossSiteCookie(
    332              cookie, aCookieURI, aPartitionForeign, attrs.IsPrivateBrowsing(),
    333              aUsingStorageAccess, aIsOn3PCBExceptionList)) {
    334        continue;
    335      }
    336 
    337      if (aMatchName && !matchName.Equals(cookie->Name())) {
    338        continue;
    339      }
    340 
    341      if (!net::CookieCommons::PathMatches(cookie->Path(), aPath)) {
    342        continue;
    343      }
    344 
    345      list.AppendElement(cookie->ToIPC());
    346 
    347      if (aOnlyFirstMatch) {
    348        break;
    349      }
    350    }
    351 
    352    if (!list.IsEmpty() && aOnlyFirstMatch) {
    353      break;
    354    }
    355  }
    356 
    357  aResults.SwapElements(list);
    358 }
    359 
    360 CookieStoreParent::SetReturnType CookieStoreParent::SetRequestOnMainThread(
    361    ThreadsafeContentParentHandle* aParent, const RefPtr<nsIURI> aCookieURI,
    362    const nsAString& aDomain, const OriginAttributes& aOriginAttributes,
    363    bool aThirdPartyContext, bool aPartitionForeign, bool aUsingStorageAccess,
    364    bool aIsOn3PCBExceptionList, const nsAString& aName,
    365    const nsAString& aValue, bool aSession, int64_t aExpires,
    366    const nsAString& aPath, int32_t aSameSite, bool aPartitioned,
    367    const nsID& aOperationID, bool& aWaitForNotification) {
    368  AssertIsOnMainThread();
    369  nsresult rv;
    370 
    371  // By default, no notification should be expected.
    372  aWaitForNotification = false;
    373 
    374  NS_ConvertUTF16toUTF8 domain(aDomain);
    375  nsAutoCString domainWithDot;
    376 
    377  if (CookiePrefixes::Has(CookiePrefixes::eHttp, aName) ||
    378      CookiePrefixes::Has(CookiePrefixes::eHostHttp, aName)) {
    379    MOZ_DIAGNOSTIC_CRASH("This should not be allowed by CookieStore");
    380    return eSilentFailure;
    381  }
    382 
    383  if (CookiePrefixes::Has(CookiePrefixes::eHost, aName) && !domain.IsEmpty()) {
    384    MOZ_DIAGNOSTIC_CRASH("This should not be allowed by CookieStore");
    385    return eSilentFailure;
    386  }
    387 
    388  // If aDomain is `domain.com` then domainWithDot will be `.domain.com`
    389  // Otherwise, when aDomain is empty, domain and domainWithDot will both
    390  // be the host of aCookieURI
    391  if (!domain.IsEmpty()) {
    392    MOZ_ASSERT(!domain.IsEmpty());
    393    domainWithDot.Insert('.', 0);
    394  } else {
    395    domain.Truncate();
    396    rv = nsContentUtils::GetHostOrIPv6WithBrackets(aCookieURI, domain);
    397    if (NS_FAILED(rv)) {
    398      return eSilentFailure;
    399    }
    400  }
    401  domainWithDot.Append(domain);
    402 
    403  if (!CheckContentProcessSecurity(aParent, domain, aOriginAttributes)) {
    404    return eSilentFailure;
    405  }
    406 
    407  if (aThirdPartyContext &&
    408      !CookieCommons::ShouldIncludeCrossSiteCookie(
    409          aCookieURI, aSameSite,
    410          aPartitioned && !aOriginAttributes.mPartitionKey.IsEmpty(),
    411          aPartitionForeign, aOriginAttributes.IsPrivateBrowsing(),
    412          aUsingStorageAccess, aIsOn3PCBExceptionList)) {
    413    return eSilentFailure;
    414  }
    415 
    416  nsCOMPtr<nsICookieManager> service =
    417      do_GetService(NS_COOKIEMANAGER_CONTRACTID);
    418  if (!service) {
    419    return eSilentFailure;
    420  }
    421 
    422  bool notified = false;
    423  auto notificationCb = [&]() { notified = true; };
    424 
    425  CookieStoreNotificationWatcher* notificationWatcher =
    426      GetOrCreateNotificationWatcherOnMainThread(aOriginAttributes);
    427  if (!notificationWatcher) {
    428    return eSilentFailure;
    429  }
    430 
    431  notificationWatcher->CallbackWhenNotified(aOperationID, notificationCb);
    432 
    433  auto cleanupNotificationWatcher = MakeScopeExit(
    434      [&]() { notificationWatcher->ForgetOperationID(aOperationID); });
    435 
    436  OriginAttributes attrs(aOriginAttributes);
    437 
    438  nsCOMPtr<nsICookieValidation> validation;
    439  rv = service->AddNative(
    440      aCookieURI, domainWithDot, NS_ConvertUTF16toUTF8(aPath),
    441      NS_ConvertUTF16toUTF8(aName), NS_ConvertUTF16toUTF8(aValue),
    442      /* secure: */ true,
    443      /* http-only: */ false, aSession, aSession ? INT64_MAX : aExpires, &attrs,
    444      aSameSite, nsICookie::SCHEME_HTTPS, aPartitioned, /* from http: */ false,
    445      &aOperationID, getter_AddRefs(validation));
    446 
    447  if (NS_WARN_IF(NS_FAILED(rv))) {
    448    if (rv == NS_ERROR_ILLEGAL_VALUE && validation &&
    449        CookieValidation::Cast(validation)->Result() !=
    450            nsICookieValidation::eOK) {
    451      return eFailure;
    452    }
    453 
    454    return eSilentFailure;
    455  }
    456 
    457  aWaitForNotification = notified;
    458  return eSuccess;
    459 }
    460 
    461 bool CookieStoreParent::DeleteRequestOnMainThread(
    462    ThreadsafeContentParentHandle* aParent, const RefPtr<nsIURI> aCookieURI,
    463    const nsAString& aDomain, const OriginAttributes& aOriginAttributes,
    464    bool aThirdPartyContext, bool aPartitionForeign, bool aUsingStorageAccess,
    465    bool aIsOn3PCBExceptionList, const nsAString& aName, const nsAString& aPath,
    466    bool aPartitioned, const nsID& aOperationID) {
    467  MOZ_ASSERT(NS_IsMainThread());
    468  nsresult rv;
    469 
    470  nsAutoCString baseDomain;
    471  nsCOMPtr<nsIEffectiveTLDService> etld =
    472      mozilla::components::EffectiveTLD::Service();
    473  bool requireMatch = false;
    474  rv = CookieCommons::GetBaseDomain(etld, aCookieURI, baseDomain, requireMatch);
    475  if (NS_FAILED(rv)) {
    476    return false;
    477  }
    478 
    479  nsAutoCString hostName;
    480  nsContentUtils::GetHostOrIPv6WithBrackets(aCookieURI, hostName);
    481 
    482  nsAutoCString cookiesForDomain;
    483  if (aDomain.IsEmpty()) {
    484    cookiesForDomain = hostName;
    485  } else {
    486    cookiesForDomain = NS_ConvertUTF16toUTF8(aDomain);
    487  }
    488 
    489  if (!CheckContentProcessSecurity(aParent, cookiesForDomain,
    490                                   aOriginAttributes)) {
    491    return false;
    492  }
    493 
    494  nsCOMPtr<nsICookieService> service =
    495      do_GetService(NS_COOKIESERVICE_CONTRACTID);
    496  if (!service) {
    497    return false;
    498  }
    499  nsCOMPtr<nsICookieManager> cookieManager = do_QueryInterface(service);
    500 
    501  NS_ConvertUTF16toUTF8 matchName(aName);
    502  NS_ConvertUTF16toUTF8 matchPath(aPath);
    503 
    504  nsTArray<RefPtr<Cookie>> cookies;
    505  OriginAttributes attrs(aOriginAttributes);
    506  service->GetCookiesFromHost(baseDomain, attrs, cookies);
    507 
    508  for (Cookie* cookie : cookies) {
    509    MOZ_ASSERT(cookie);
    510    if (!matchName.Equals(cookie->Name())) {
    511      continue;
    512    }
    513    if (!CookieCommons::DomainMatches(cookie, cookiesForDomain)) {
    514      continue;
    515    }
    516 
    517    if (!matchPath.IsEmpty() && !matchPath.Equals(cookie->Path())) {
    518      continue;
    519    }
    520 
    521    if (cookie->IsPartitioned() != aPartitioned) continue;
    522 
    523    if (aThirdPartyContext) {
    524      int32_t sameSiteAttr = cookie->SameSite();
    525 
    526      if (!CookieCommons::ShouldIncludeCrossSiteCookie(
    527              aCookieURI, sameSiteAttr,
    528              aPartitioned && !aOriginAttributes.mPartitionKey.IsEmpty(),
    529              aPartitionForeign, attrs.IsPrivateBrowsing(), aUsingStorageAccess,
    530              aIsOn3PCBExceptionList)) {
    531        return false;
    532      }
    533    }
    534 
    535    bool notified = false;
    536    auto notificationCb = [&]() { notified = true; };
    537 
    538    CookieStoreNotificationWatcher* notificationWatcher =
    539        GetOrCreateNotificationWatcherOnMainThread(aOriginAttributes);
    540    if (!notificationWatcher) {
    541      return false;
    542    }
    543 
    544    notificationWatcher->CallbackWhenNotified(aOperationID, notificationCb);
    545 
    546    auto cleanupNotificationWatcher = MakeScopeExit(
    547        [&]() { notificationWatcher->ForgetOperationID(aOperationID); });
    548 
    549    rv = cookieManager->RemoveNative(cookie->Host(), matchName, cookie->Path(),
    550                                     &attrs, /* from http: */ false,
    551                                     &aOperationID);
    552    if (NS_WARN_IF(NS_FAILED(rv))) {
    553      return false;
    554    }
    555 
    556    return notified;
    557  }
    558 
    559  return false;
    560 }
    561 
    562 CookieStoreNotificationWatcher*
    563 CookieStoreParent::GetOrCreateNotificationWatcherOnMainThread(
    564    const OriginAttributes& aOriginAttributes) {
    565  MOZ_ASSERT(NS_IsMainThread());
    566 
    567  if (!mNotificationWatcherOnMainThread) {
    568    mNotificationWatcherOnMainThread = CookieStoreNotificationWatcher::Create(
    569        aOriginAttributes.IsPrivateBrowsing());
    570  }
    571 
    572  return mNotificationWatcherOnMainThread;
    573 }
    574 
    575 }  // namespace mozilla::dom
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