pjs/netwerk/cookie/CookieServiceChild.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation <http://www.mozilla.org/>.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Daniel Witte <dwitte@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/net/CookieServiceChild.h"
#include "mozilla/net/NeckoChild.h"
#include "nsIURI.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h"
namespace mozilla {
namespace net {
// Behavior pref constants
static const PRInt32 BEHAVIOR_ACCEPT = 0;
static const PRInt32 BEHAVIOR_REJECTFOREIGN = 1;
static const PRInt32 BEHAVIOR_REJECT = 2;
// 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_ISUPPORTS2(CookieServiceChild, nsICookieService, nsIObserver)
CookieServiceChild::CookieServiceChild()
: mCookieBehavior(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<nsIPrefBranch2> prefBranch =
do_GetService(NS_PREFSERVICE_CONTRACTID);
NS_WARN_IF_FALSE(prefBranch, "no prefservice");
if (prefBranch) {
prefBranch->AddObserver(kPrefCookieBehavior, this, PR_TRUE);
prefBranch->AddObserver(kPrefThirdPartySession, this, PR_TRUE);
PrefChanged(prefBranch);
}
}
CookieServiceChild::~CookieServiceChild()
{
gCookieService = nsnull;
}
void
CookieServiceChild::PrefChanged(nsIPrefBranch *aPrefBranch)
{
PRInt32 val;
if (NS_SUCCEEDED(aPrefBranch->GetIntPref(kPrefCookieBehavior, &val)))
mCookieBehavior =
val >= BEHAVIOR_ACCEPT && val <= BEHAVIOR_REJECT ? val : BEHAVIOR_ACCEPT;
PRBool 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 == BEHAVIOR_REJECTFOREIGN || mThirdPartySession;
}
nsresult
CookieServiceChild::GetCookieStringInternal(nsIURI *aHostURI,
nsIChannel *aChannel,
char **aCookieString,
bool aFromHttp)
{
NS_ENSURE_ARG(aHostURI);
NS_ENSURE_ARG_POINTER(aCookieString);
*aCookieString = NULL;
// Determine whether the request is foreign. Failure is acceptable.
PRBool isForeign = true;
if (RequireThirdPartyCheck())
mThirdPartyUtil->IsThirdPartyChannel(aChannel, aHostURI, &isForeign);
// Synchronously call the parent.
nsCAutoString result;
SendGetCookieString(IPC::URI(aHostURI), !!isForeign, aFromHttp, &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);
// Determine whether the request is foreign. Failure is acceptable.
PRBool isForeign = true;
if (RequireThirdPartyCheck())
mThirdPartyUtil->IsThirdPartyChannel(aChannel, aHostURI, &isForeign);
nsDependentCString cookieString(aCookieString);
nsDependentCString serverTime;
if (aServerTime)
serverTime.Rebind(aServerTime);
// Synchronously call the parent.
SendSetCookieString(IPC::URI(aHostURI), !!isForeign,
cookieString, serverTime, aFromHttp);
return NS_OK;
}
NS_IMETHODIMP
CookieServiceChild::Observe(nsISupports *aSubject,
const char *aTopic,
const PRUnichar *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,
nsnull, 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);
}
}
}