michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/net/CookieServiceChild.h"
michael@0: #include "mozilla/ipc/URIUtils.h"
michael@0: #include "mozilla/net/NeckoChild.h"
michael@0: #include "nsIURI.h"
michael@0: #include "nsIPrefService.h"
michael@0: #include "nsIPrefBranch.h"
michael@0: #include "nsNetUtil.h"
michael@0: #include "SerializedLoadContext.h"
michael@0: 
michael@0: using namespace mozilla::ipc;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace net {
michael@0: 
michael@0: // Behavior pref constants
michael@0: static const int32_t BEHAVIOR_ACCEPT = 0;
michael@0: static const int32_t BEHAVIOR_REJECTFOREIGN = 1;
michael@0: // static const int32_t BEHAVIOR_REJECT = 2;
michael@0: static const int32_t BEHAVIOR_LIMITFOREIGN = 3;
michael@0: 
michael@0: // Pref string constants
michael@0: static const char kPrefCookieBehavior[] = "network.cookie.cookieBehavior";
michael@0: static const char kPrefThirdPartySession[] =
michael@0:   "network.cookie.thirdparty.sessionOnly";
michael@0: 
michael@0: static CookieServiceChild *gCookieService;
michael@0: 
michael@0: CookieServiceChild*
michael@0: CookieServiceChild::GetSingleton()
michael@0: {
michael@0:   if (!gCookieService)
michael@0:     gCookieService = new CookieServiceChild();
michael@0: 
michael@0:   NS_ADDREF(gCookieService);
michael@0:   return gCookieService;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(CookieServiceChild,
michael@0:                   nsICookieService,
michael@0:                   nsIObserver,
michael@0:                   nsISupportsWeakReference)
michael@0: 
michael@0: CookieServiceChild::CookieServiceChild()
michael@0:   : mCookieBehavior(BEHAVIOR_ACCEPT)
michael@0:   , mThirdPartySession(false)
michael@0: {
michael@0:   NS_ASSERTION(IsNeckoChild(), "not a child process");
michael@0: 
michael@0:   // This corresponds to Release() in DeallocPCookieService.
michael@0:   NS_ADDREF_THIS();
michael@0: 
michael@0:   // Create a child PCookieService actor.
michael@0:   NeckoChild::InitNeckoChild();
michael@0:   gNeckoChild->SendPCookieServiceConstructor(this);
michael@0: 
michael@0:   // Init our prefs and observer.
michael@0:   nsCOMPtr<nsIPrefBranch> prefBranch =
michael@0:     do_GetService(NS_PREFSERVICE_CONTRACTID);
michael@0:   NS_WARN_IF_FALSE(prefBranch, "no prefservice");
michael@0:   if (prefBranch) {
michael@0:     prefBranch->AddObserver(kPrefCookieBehavior, this, true);
michael@0:     prefBranch->AddObserver(kPrefThirdPartySession, this, true);
michael@0:     PrefChanged(prefBranch);
michael@0:   }
michael@0: }
michael@0: 
michael@0: CookieServiceChild::~CookieServiceChild()
michael@0: {
michael@0:   gCookieService = nullptr;
michael@0: }
michael@0: 
michael@0: void
michael@0: CookieServiceChild::PrefChanged(nsIPrefBranch *aPrefBranch)
michael@0: {
michael@0:   int32_t val;
michael@0:   if (NS_SUCCEEDED(aPrefBranch->GetIntPref(kPrefCookieBehavior, &val)))
michael@0:     mCookieBehavior =
michael@0:       val >= BEHAVIOR_ACCEPT && val <= BEHAVIOR_LIMITFOREIGN ? val : BEHAVIOR_ACCEPT;
michael@0: 
michael@0:   bool boolval;
michael@0:   if (NS_SUCCEEDED(aPrefBranch->GetBoolPref(kPrefThirdPartySession, &boolval)))
michael@0:     mThirdPartySession = !!boolval;
michael@0: 
michael@0:   if (!mThirdPartyUtil && RequireThirdPartyCheck()) {
michael@0:     mThirdPartyUtil = do_GetService(THIRDPARTYUTIL_CONTRACTID);
michael@0:     NS_ASSERTION(mThirdPartyUtil, "require ThirdPartyUtil service");
michael@0:   }
michael@0: }
michael@0: 
michael@0: bool
michael@0: CookieServiceChild::RequireThirdPartyCheck()
michael@0: {
michael@0:   return mCookieBehavior == BEHAVIOR_REJECTFOREIGN || mCookieBehavior == BEHAVIOR_LIMITFOREIGN || mThirdPartySession;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: CookieServiceChild::GetCookieStringInternal(nsIURI *aHostURI,
michael@0:                                             nsIChannel *aChannel,
michael@0:                                             char **aCookieString,
michael@0:                                             bool aFromHttp)
michael@0: {
michael@0:   NS_ENSURE_ARG(aHostURI);
michael@0:   NS_ENSURE_ARG_POINTER(aCookieString);
michael@0: 
michael@0:   *aCookieString = nullptr;
michael@0: 
michael@0:   // Determine whether the request is foreign. Failure is acceptable.
michael@0:   bool isForeign = true;
michael@0:   if (RequireThirdPartyCheck())
michael@0:     mThirdPartyUtil->IsThirdPartyChannel(aChannel, aHostURI, &isForeign);
michael@0: 
michael@0:   URIParams uriParams;
michael@0:   SerializeURI(aHostURI, uriParams);
michael@0: 
michael@0:   // Synchronously call the parent.
michael@0:   nsAutoCString result;
michael@0:   SendGetCookieString(uriParams, !!isForeign, aFromHttp,
michael@0:                       IPC::SerializedLoadContext(aChannel), &result);
michael@0:   if (!result.IsEmpty())
michael@0:     *aCookieString = ToNewCString(result);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: CookieServiceChild::SetCookieStringInternal(nsIURI *aHostURI,
michael@0:                                             nsIChannel *aChannel,
michael@0:                                             const char *aCookieString,
michael@0:                                             const char *aServerTime,
michael@0:                                             bool aFromHttp)
michael@0: {
michael@0:   NS_ENSURE_ARG(aHostURI);
michael@0:   NS_ENSURE_ARG_POINTER(aCookieString);
michael@0: 
michael@0:   // Determine whether the request is foreign. Failure is acceptable.
michael@0:   bool isForeign = true;
michael@0:   if (RequireThirdPartyCheck())
michael@0:     mThirdPartyUtil->IsThirdPartyChannel(aChannel, aHostURI, &isForeign);
michael@0: 
michael@0:   nsDependentCString cookieString(aCookieString);
michael@0:   nsDependentCString serverTime;
michael@0:   if (aServerTime)
michael@0:     serverTime.Rebind(aServerTime);
michael@0: 
michael@0:   URIParams uriParams;
michael@0:   SerializeURI(aHostURI, uriParams);
michael@0: 
michael@0:   // Synchronously call the parent.
michael@0:   SendSetCookieString(uriParams, !!isForeign, cookieString, serverTime,
michael@0:                       aFromHttp, IPC::SerializedLoadContext(aChannel));
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CookieServiceChild::Observe(nsISupports     *aSubject,
michael@0:                             const char      *aTopic,
michael@0:                             const char16_t *aData)
michael@0: {
michael@0:   NS_ASSERTION(strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) == 0,
michael@0:                "not a pref change topic!");
michael@0: 
michael@0:   nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
michael@0:   if (prefBranch)
michael@0:     PrefChanged(prefBranch);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CookieServiceChild::GetCookieString(nsIURI *aHostURI,
michael@0:                                     nsIChannel *aChannel,
michael@0:                                     char **aCookieString)
michael@0: {
michael@0:   return GetCookieStringInternal(aHostURI, aChannel, aCookieString, false);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CookieServiceChild::GetCookieStringFromHttp(nsIURI *aHostURI,
michael@0:                                             nsIURI *aFirstURI,
michael@0:                                             nsIChannel *aChannel,
michael@0:                                             char **aCookieString)
michael@0: {
michael@0:   return GetCookieStringInternal(aHostURI, aChannel, aCookieString, true);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CookieServiceChild::SetCookieString(nsIURI *aHostURI,
michael@0:                                     nsIPrompt *aPrompt,
michael@0:                                     const char *aCookieString,
michael@0:                                     nsIChannel *aChannel)
michael@0: {
michael@0:   return SetCookieStringInternal(aHostURI, aChannel, aCookieString,
michael@0:                                  nullptr, false);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CookieServiceChild::SetCookieStringFromHttp(nsIURI     *aHostURI,
michael@0:                                             nsIURI     *aFirstURI,
michael@0:                                             nsIPrompt  *aPrompt,
michael@0:                                             const char *aCookieString,
michael@0:                                             const char *aServerTime,
michael@0:                                             nsIChannel *aChannel) 
michael@0: {
michael@0:   return SetCookieStringInternal(aHostURI, aChannel, aCookieString,
michael@0:                                  aServerTime, true);
michael@0: }
michael@0: 
michael@0: }
michael@0: }
michael@0: