The Tor Browser: xpcom/base/nsErrorService.cpp@129ffea94266

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsErrorService.h"

     7 #include "nsCRTGlue.h"

     8 #include "nsAutoPtr.h"

    10 static void*

    11 CloneCString(nsHashKey *aKey, void *aData, void* closure)

    12 {

    13   return NS_strdup((const char*)aData);

    14 }

    16 static bool

    17 DeleteCString(nsHashKey *aKey, void *aData, void* closure)

    18 {

    19   NS_Free(aData);

    20   return true;

    21 }

    23 nsInt2StrHashtable::nsInt2StrHashtable()

    24     : mHashtable(CloneCString, nullptr, DeleteCString, nullptr, 16)

    25 {

    26 }

    28 nsresult

    29 nsInt2StrHashtable::Put(uint32_t key, const char* aData)

    30 {

    31   char* value = NS_strdup(aData);

    32   if (value == nullptr)

    33     return NS_ERROR_OUT_OF_MEMORY;

    34   nsPRUint32Key k(key);

    35   char* oldValue = (char*)mHashtable.Put(&k, value);

    36   if (oldValue)

    37     NS_Free(oldValue);

    38   return NS_OK;

    39 }

    41 char*

    42 nsInt2StrHashtable::Get(uint32_t key)

    43 {

    44   nsPRUint32Key k(key);

    45   const char* value = (const char*)mHashtable.Get(&k);

    46   if (value == nullptr)

    47     return nullptr;

    48   return NS_strdup(value);

    49 }

    51 nsresult

    52 nsInt2StrHashtable::Remove(uint32_t key)

    53 {

    54   nsPRUint32Key k(key);

    55   char* oldValue = (char*)mHashtable.Remove(&k);

    56   if (oldValue)

    57     NS_Free(oldValue);

    58   return NS_OK;

    59 }

    61 ////////////////////////////////////////////////////////////////////////////////

    63 NS_IMPL_ISUPPORTS(nsErrorService, nsIErrorService)

    65 nsresult

    66 nsErrorService::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)

    67 {

    68     if (NS_WARN_IF(outer))

    69         return NS_ERROR_NO_AGGREGATION;

    70     nsRefPtr<nsErrorService> serv = new nsErrorService();

    71     return serv->QueryInterface(aIID, aInstancePtr);

    72 }

    74 NS_IMETHODIMP

    75 nsErrorService::RegisterErrorStringBundle(int16_t errorModule, const char *stringBundleURL)

    76 {

    77     return mErrorStringBundleURLMap.Put(errorModule, stringBundleURL);

    78 }

    80 NS_IMETHODIMP

    81 nsErrorService::UnregisterErrorStringBundle(int16_t errorModule)

    82 {

    83     return mErrorStringBundleURLMap.Remove(errorModule);

    84 }

    86 NS_IMETHODIMP

    87 nsErrorService::GetErrorStringBundle(int16_t errorModule, char **result)

    88 {

    89     char* value = mErrorStringBundleURLMap.Get(errorModule);

    90     if (value == nullptr)

    91         return NS_ERROR_OUT_OF_MEMORY;

    92     *result = value;

    93     return NS_OK;

    94 }

    96 ////////////////////////////////////////////////////////////////////////////////

The Tor Browser / file revision

xpcom/base/nsErrorService.cpp@129ffea94266

xpcom/base/nsErrorService.cpp