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/* -*- 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/CookieServiceChild.h"
#include "mozilla/LoadInfo.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/ipc/URIUtils.h"
#include "mozilla/net/NeckoChild.h"
#include "nsIChannel.h"
#include "nsIURI.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "nsServiceManagerUtils.h"
using namespace mozilla::ipc;
namespace mozilla {
namespace net {
// Pref string constants
static const char kPrefCookieBehavior[] = "network.cookie.cookieBehavior";
static const char kPrefThirdPartySession[] =
"network.cookie.thirdparty.sessionOnly";
static CookieServiceChild *gCookieService;
CookieServiceChild*
CookieServiceChild::GetSingleton()
{
if (!gCookieService)
gCookieService = new CookieServiceChild();
NS_ADDREF(gCookieService);
return gCookieService;
}
NS_IMPL_ISUPPORTS(CookieServiceChild,
nsICookieService,
nsIObserver,
nsISupportsWeakReference)
CookieServiceChild::CookieServiceChild()
: mCookieBehavior(nsICookieService::BEHAVIOR_ACCEPT)
, mThirdPartySession(false)
{
NS_ASSERTION(IsNeckoChild(), "not a child process");
// This corresponds to Release() in DeallocPCookieService.
NS_ADDREF_THIS();
// Create a child PCookieService actor.
NeckoChild::InitNeckoChild();
gNeckoChild->SendPCookieServiceConstructor(this);
// Init our prefs and observer.
nsCOMPtr<nsIPrefBranch> prefBranch =
do_GetService(NS_PREFSERVICE_CONTRACTID);
NS_WARNING_ASSERTION(prefBranch, "no prefservice");
if (prefBranch) {
prefBranch->AddObserver(kPrefCookieBehavior, this, true);
prefBranch->AddObserver(kPrefThirdPartySession, this, true);
PrefChanged(prefBranch);
}
}
CookieServiceChild::~CookieServiceChild()
{
gCookieService = nullptr;
}
void
CookieServiceChild::PrefChanged(nsIPrefBranch *aPrefBranch)
{
int32_t val;
if (NS_SUCCEEDED(aPrefBranch->GetIntPref(kPrefCookieBehavior, &val)))
mCookieBehavior =
val >= nsICookieService::BEHAVIOR_ACCEPT &&
val <= nsICookieService::BEHAVIOR_LIMIT_FOREIGN
? val : nsICookieService::BEHAVIOR_ACCEPT;
bool boolval;
if (NS_SUCCEEDED(aPrefBranch->GetBoolPref(kPrefThirdPartySession, &boolval)))
mThirdPartySession = !!boolval;
if (!mThirdPartyUtil && RequireThirdPartyCheck()) {
mThirdPartyUtil = do_GetService(THIRDPARTYUTIL_CONTRACTID);
NS_ASSERTION(mThirdPartyUtil, "require ThirdPartyUtil service");
}
}
bool
CookieServiceChild::RequireThirdPartyCheck()
{
return mCookieBehavior == nsICookieService::BEHAVIOR_REJECT_FOREIGN ||
mCookieBehavior == nsICookieService::BEHAVIOR_LIMIT_FOREIGN ||
mThirdPartySession;
}
nsresult
CookieServiceChild::GetCookieStringInternal(nsIURI *aHostURI,
nsIChannel *aChannel,
char **aCookieString,
bool aFromHttp)
{
NS_ENSURE_ARG(aHostURI);
NS_ENSURE_ARG_POINTER(aCookieString);
*aCookieString = nullptr;
// Fast past: don't bother sending IPC messages about nullprincipal'd
// documents.
nsAutoCString scheme;
aHostURI->GetScheme(scheme);
if (scheme.EqualsLiteral("moz-nullprincipal"))
return NS_OK;
// Determine whether the request is foreign. Failure is acceptable.
bool isForeign = true;
if (RequireThirdPartyCheck())
mThirdPartyUtil->IsThirdPartyChannel(aChannel, aHostURI, &isForeign);
URIParams uriParams;
SerializeURI(aHostURI, uriParams);
mozilla::NeckoOriginAttributes attrs;
if (aChannel) {
nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
if (loadInfo) {
attrs = loadInfo->GetOriginAttributes();
}
}
// Synchronously call the parent.
nsAutoCString result;
SendGetCookieString(uriParams, !!isForeign, aFromHttp, attrs, &result);
if (!result.IsEmpty())
*aCookieString = ToNewCString(result);
return NS_OK;
}
nsresult
CookieServiceChild::SetCookieStringInternal(nsIURI *aHostURI,
nsIChannel *aChannel,
const char *aCookieString,
const char *aServerTime,
bool aFromHttp)
{
NS_ENSURE_ARG(aHostURI);
NS_ENSURE_ARG_POINTER(aCookieString);
// Fast past: don't bother sending IPC messages about nullprincipal'd
// documents.
nsAutoCString scheme;
aHostURI->GetScheme(scheme);
if (scheme.EqualsLiteral("moz-nullprincipal"))
return NS_OK;
// Determine whether the request is foreign. Failure is acceptable.
bool isForeign = true;
if (RequireThirdPartyCheck())
mThirdPartyUtil->IsThirdPartyChannel(aChannel, aHostURI, &isForeign);
nsDependentCString cookieString(aCookieString);
nsDependentCString serverTime;
if (aServerTime)
serverTime.Rebind(aServerTime);
URIParams uriParams;
SerializeURI(aHostURI, uriParams);
mozilla::NeckoOriginAttributes attrs;
if (aChannel) {
nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
if (loadInfo) {
attrs = loadInfo->GetOriginAttributes();
}
}
// Synchronously call the parent.
SendSetCookieString(uriParams, !!isForeign, cookieString, serverTime,
aFromHttp, attrs);
return NS_OK;
}
NS_IMETHODIMP
CookieServiceChild::Observe(nsISupports *aSubject,
const char *aTopic,
const char16_t *aData)
{
NS_ASSERTION(strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) == 0,
"not a pref change topic!");
nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
if (prefBranch)
PrefChanged(prefBranch);
return NS_OK;
}
NS_IMETHODIMP
CookieServiceChild::GetCookieString(nsIURI *aHostURI,
nsIChannel *aChannel,
char **aCookieString)
{
return GetCookieStringInternal(aHostURI, aChannel, aCookieString, false);
}
NS_IMETHODIMP
CookieServiceChild::GetCookieStringFromHttp(nsIURI *aHostURI,
nsIURI *aFirstURI,
nsIChannel *aChannel,
char **aCookieString)
{
return GetCookieStringInternal(aHostURI, aChannel, aCookieString, true);
}
NS_IMETHODIMP
CookieServiceChild::SetCookieString(nsIURI *aHostURI,
nsIPrompt *aPrompt,
const char *aCookieString,
nsIChannel *aChannel)
{
return SetCookieStringInternal(aHostURI, aChannel, aCookieString,
nullptr, false);
}
NS_IMETHODIMP
CookieServiceChild::SetCookieStringFromHttp(nsIURI *aHostURI,
nsIURI *aFirstURI,
nsIPrompt *aPrompt,
const char *aCookieString,
const char *aServerTime,
nsIChannel *aChannel)
{
return SetCookieStringInternal(aHostURI, aChannel, aCookieString,
aServerTime, true);
}
} // namespace net
} // namespace mozilla
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