gecko-dev/netwerk/cookie/CookieServiceParent.cpp

260 строки
10 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/net/CookieServiceParent.h"
#include "mozilla/dom/PContentParent.h"
#include "mozilla/net/NeckoParent.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/ipc/URIUtils.h"
#include "nsArrayUtils.h"
#include "nsCookieService.h"
#include "nsIChannel.h"
#include "nsIEffectiveTLDService.h"
#include "nsIScriptSecurityManager.h"
#include "nsIPrivateBrowsingChannel.h"
#include "nsNetCID.h"
#include "nsPrintfCString.h"
using namespace mozilla::ipc;
using mozilla::BasePrincipal;
using mozilla::OriginAttributes;
using mozilla::dom::PContentParent;
using mozilla::net::NeckoParent;
namespace {
// Ignore failures from this function, as they only affect whether we do or
// don't show a dialog box in private browsing mode if the user sets a pref.
nsresult CreateDummyChannel(nsIURI *aHostURI, nsILoadInfo *aLoadInfo,
nsIChannel **aChannel) {
nsCOMPtr<nsIChannel> dummyChannel;
nsresult rv =
NS_NewChannelInternal(getter_AddRefs(dummyChannel), aHostURI, aLoadInfo);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
dummyChannel.forget(aChannel);
return NS_OK;
}
} // namespace
namespace mozilla {
namespace net {
CookieServiceParent::CookieServiceParent() {
// Instantiate the cookieservice via the service manager, so it sticks around
// until shutdown.
nsCOMPtr<nsICookieService> cs = do_GetService(NS_COOKIESERVICE_CONTRACTID);
// Get the nsCookieService instance directly, so we can call internal methods.
mCookieService = nsCookieService::GetSingleton();
NS_ASSERTION(mCookieService, "couldn't get nsICookieService");
mProcessingCookie = false;
}
void GetInfoFromCookie(nsCookie *aCookie, CookieStruct &aCookieStruct) {
aCookieStruct.name() = aCookie->Name();
aCookieStruct.value() = aCookie->Value();
aCookieStruct.host() = aCookie->Host();
aCookieStruct.path() = aCookie->Path();
aCookieStruct.expiry() = aCookie->Expiry();
aCookieStruct.lastAccessed() = aCookie->LastAccessed();
aCookieStruct.creationTime() = aCookie->CreationTime();
aCookieStruct.isSession() = aCookie->IsSession();
aCookieStruct.isSecure() = aCookie->IsSecure();
aCookieStruct.isHttpOnly() = aCookie->IsHttpOnly();
aCookieStruct.sameSite() = aCookie->SameSite();
}
void CookieServiceParent::RemoveBatchDeletedCookies(nsIArray *aCookieList) {
uint32_t len = 0;
aCookieList->GetLength(&len);
OriginAttributes attrs;
CookieStruct cookieStruct;
nsTArray<CookieStruct> cookieStructList;
nsTArray<OriginAttributes> attrsList;
for (uint32_t i = 0; i < len; i++) {
nsCOMPtr<nsICookie> xpcCookie = do_QueryElementAt(aCookieList, i);
auto cookie = static_cast<nsCookie *>(xpcCookie.get());
attrs = cookie->OriginAttributesRef();
GetInfoFromCookie(cookie, cookieStruct);
if (cookie->IsHttpOnly()) {
// Child only needs to exist if an HttpOnly cookie exists, not its value
cookieStruct.value() = "";
}
cookieStructList.AppendElement(cookieStruct);
attrsList.AppendElement(attrs);
}
Unused << SendRemoveBatchDeletedCookies(cookieStructList, attrsList);
}
void CookieServiceParent::RemoveAll() { Unused << SendRemoveAll(); }
void CookieServiceParent::RemoveCookie(nsICookie *aCookie) {
auto cookie = static_cast<nsCookie *>(aCookie);
OriginAttributes attrs = cookie->OriginAttributesRef();
CookieStruct cookieStruct;
GetInfoFromCookie(cookie, cookieStruct);
if (cookie->IsHttpOnly()) {
cookieStruct.value() = "";
}
Unused << SendRemoveCookie(cookieStruct, attrs);
}
void CookieServiceParent::AddCookie(nsICookie *aCookie) {
auto cookie = static_cast<nsCookie *>(aCookie);
OriginAttributes attrs = cookie->OriginAttributesRef();
CookieStruct cookieStruct;
GetInfoFromCookie(cookie, cookieStruct);
if (cookie->IsHttpOnly()) {
cookieStruct.value() = "";
}
Unused << SendAddCookie(cookieStruct, attrs);
}
void CookieServiceParent::TrackCookieLoad(nsIChannel *aChannel) {
nsCOMPtr<nsIURI> uri;
aChannel->GetURI(getter_AddRefs(uri));
nsCOMPtr<nsILoadInfo> loadInfo = aChannel->LoadInfo();
mozilla::OriginAttributes attrs = loadInfo->GetOriginAttributes();
bool isSafeTopLevelNav = NS_IsSafeTopLevelNav(aChannel);
bool aIsSameSiteForeign = NS_IsSameSiteForeign(aChannel, uri);
// Send matching cookies to Child.
nsCOMPtr<mozIThirdPartyUtil> thirdPartyUtil;
thirdPartyUtil = do_GetService(THIRDPARTYUTIL_CONTRACTID);
bool isForeign = true;
thirdPartyUtil->IsThirdPartyChannel(aChannel, uri, &isForeign);
bool isTrackingResource = false;
bool storageAccessGranted = false;
nsCOMPtr<nsIHttpChannel> httpChannel = do_QueryInterface(aChannel);
if (httpChannel) {
isTrackingResource = httpChannel->IsTrackingResource();
// Check first-party storage access even for non-tracking resources, since
// we will need the result when computing the access rights for the reject
// foreign cookie behavior mode.
if (AntiTrackingCommon::IsFirstPartyStorageAccessGrantedFor(httpChannel,
uri, nullptr)) {
storageAccessGranted = true;
}
}
nsTArray<nsCookie *> foundCookieList;
mCookieService->GetCookiesForURI(
uri, aChannel, isForeign, isTrackingResource, storageAccessGranted,
isSafeTopLevelNav, aIsSameSiteForeign, false, attrs, foundCookieList);
nsTArray<CookieStruct> matchingCookiesList;
SerialializeCookieList(foundCookieList, matchingCookiesList, uri);
Unused << SendTrackCookiesLoad(matchingCookiesList, attrs);
}
void CookieServiceParent::SerialializeCookieList(
const nsTArray<nsCookie *> &aFoundCookieList,
nsTArray<CookieStruct> &aCookiesList, nsIURI *aHostURI) {
for (uint32_t i = 0; i < aFoundCookieList.Length(); i++) {
nsCookie *cookie = aFoundCookieList.ElementAt(i);
CookieStruct *cookieStruct = aCookiesList.AppendElement();
cookieStruct->name() = cookie->Name();
if (!cookie->IsHttpOnly()) {
cookieStruct->value() = cookie->Value();
}
cookieStruct->host() = cookie->Host();
cookieStruct->path() = cookie->Path();
cookieStruct->expiry() = cookie->Expiry();
cookieStruct->lastAccessed() = cookie->LastAccessed();
cookieStruct->creationTime() = cookie->CreationTime();
cookieStruct->isSession() = cookie->IsSession();
cookieStruct->isSecure() = cookie->IsSecure();
cookieStruct->sameSite() = cookie->SameSite();
}
}
mozilla::ipc::IPCResult CookieServiceParent::RecvPrepareCookieList(
const URIParams &aHost, const bool &aIsForeign,
const bool &aIsTrackingResource,
const bool &aFirstPartyStorageAccessGranted, const bool &aIsSafeTopLevelNav,
const bool &aIsSameSiteForeign, const OriginAttributes &aAttrs) {
nsCOMPtr<nsIURI> hostURI = DeserializeURI(aHost);
// Send matching cookies to Child.
nsTArray<nsCookie *> foundCookieList;
// Note: passing nullptr as aChannel to GetCookiesForURI() here is fine since
// this argument is only used for proper reporting of cookie loads, but the
// child process already does the necessary reporting in this case for us.
mCookieService->GetCookiesForURI(
hostURI, nullptr, aIsForeign, aIsTrackingResource,
aFirstPartyStorageAccessGranted, aIsSafeTopLevelNav, aIsSameSiteForeign,
false, aAttrs, foundCookieList);
nsTArray<CookieStruct> matchingCookiesList;
SerialializeCookieList(foundCookieList, matchingCookiesList, hostURI);
Unused << SendTrackCookiesLoad(matchingCookiesList, aAttrs);
return IPC_OK();
}
void CookieServiceParent::ActorDestroy(ActorDestroyReason aWhy) {
// Nothing needed here. Called right before destructor since this is a
// non-refcounted class.
}
mozilla::ipc::IPCResult CookieServiceParent::RecvSetCookieString(
const URIParams &aHost, const Maybe<URIParams> &aChannelURI,
const Maybe<LoadInfoArgs> &aLoadInfoArgs, const bool &aIsForeign,
const bool &aIsTrackingResource,
const bool &aFirstPartyStorageAccessGranted, const nsCString &aCookieString,
const nsCString &aServerTime, const bool &aFromHttp) {
if (!mCookieService) return IPC_OK();
// Deserialize URI. Having a host URI is mandatory and should always be
// provided by the child; thus we consider failure fatal.
nsCOMPtr<nsIURI> hostURI = DeserializeURI(aHost);
if (!hostURI) return IPC_FAIL_NO_REASON(this);
nsCOMPtr<nsIURI> channelURI = DeserializeURI(aChannelURI);
nsCOMPtr<nsILoadInfo> loadInfo;
Unused << NS_WARN_IF(NS_FAILED(
LoadInfoArgsToLoadInfo(aLoadInfoArgs, getter_AddRefs(loadInfo))));
// This is a gross hack. We've already computed everything we need to know
// for whether to set this cookie or not, but we need to communicate all of
// this information through to nsICookiePermission, which indirectly
// computes the information from the channel. We only care about the
// aIsPrivate argument as nsCookieService::SetCookieStringInternal deals
// with aIsForeign before we have to worry about nsCookiePermission trying
// to use the channel to inspect it.
nsCOMPtr<nsIChannel> dummyChannel;
nsresult rv =
CreateDummyChannel(channelURI, loadInfo, getter_AddRefs(dummyChannel));
if (NS_WARN_IF(NS_FAILED(rv))) {
// No reason to kill the content process.
return IPC_OK();
}
// NB: dummyChannel could be null if something failed in CreateDummyChannel.
nsDependentCString cookieString(aCookieString, 0);
OriginAttributes attrs;
if (loadInfo) {
attrs = loadInfo->GetOriginAttributes();
}
// We set this to true while processing this cookie update, to make sure
// we don't send it back to the same content process.
mProcessingCookie = true;
mCookieService->SetCookieStringInternal(
hostURI, aIsForeign, aIsTrackingResource, aFirstPartyStorageAccessGranted,
cookieString, aServerTime, aFromHttp, attrs, dummyChannel);
mProcessingCookie = false;
return IPC_OK();
}
} // namespace net
} // namespace mozilla