The Tor Browser: caps/src/nsJSPrincipals.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 "xpcprivate.h"

     7 #include "nsString.h"

     8 #include "nsIObjectOutputStream.h"

     9 #include "nsIObjectInputStream.h"

    10 #include "nsJSPrincipals.h"

    11 #include "plstr.h"

    12 #include "nsXPIDLString.h"

    13 #include "nsCOMPtr.h"

    14 #include "nsIJSRuntimeService.h"

    15 #include "nsIServiceManager.h"

    16 #include "nsMemory.h"

    17 #include "nsStringBuffer.h"

    19 // for mozilla::dom::workers::kJSPrincipalsDebugToken

    20 #include "mozilla/dom/workers/Workers.h"

    22 /* static */ bool

    23 nsJSPrincipals::Subsume(JSPrincipals *jsprin, JSPrincipals *other)

    24 {

    25     bool result;

    26     nsresult rv = nsJSPrincipals::get(jsprin)->Subsumes(nsJSPrincipals::get(other), &result);

    27     return NS_SUCCEEDED(rv) && result;

    28 }

    30 /* static */ void

    31 nsJSPrincipals::Destroy(JSPrincipals *jsprin)

    32 {

    33     // The JS runtime can call this method during the last GC when

    34     // nsScriptSecurityManager is destroyed. So we must not assume here that

    35     // the security manager still exists.

    37     nsJSPrincipals *nsjsprin = nsJSPrincipals::get(jsprin);

    39     // We need to destroy the nsIPrincipal. We'll do this by adding

    40     // to the refcount and calling release

    42 #ifdef NS_BUILD_REFCNT_LOGGING

    43     // The refcount logging considers AddRef-to-1 to indicate creation,

    44     // so trick it into thinking it's otherwise, but balance the

    45     // Release() we do below.

    46     nsjsprin->refcount++;

    47     nsjsprin->AddRef();

    48     nsjsprin->refcount--;

    49 #else

    50     nsjsprin->refcount++;

    51 #endif

    52     nsjsprin->Release();

    53 }

    55 #ifdef DEBUG

    57 // Defined here so one can do principals->dump() in the debugger

    58 JS_EXPORT_API(void)

    59 JSPrincipals::dump()

    60 {

    61     if (debugToken == nsJSPrincipals::DEBUG_TOKEN) {

    62         static_cast<nsJSPrincipals *>(this)->dumpImpl();

    63     } else if (debugToken == mozilla::dom::workers::kJSPrincipalsDebugToken) {

    64         fprintf(stderr, "Web Worker principal singleton (%p)\n", this);

    65     } else {

    66         fprintf(stderr,

    67                 "!!! JSPrincipals (%p) is not nsJSPrincipals instance - bad token: "

    68                 "actual=0x%x expected=0x%x\n",

    69                 this, unsigned(debugToken), unsigned(nsJSPrincipals::DEBUG_TOKEN));

    70     }

    71 }

    73 #endif

The Tor Browser / file revision

caps/src/nsJSPrincipals.cpp@129ffea94266

caps/src/nsJSPrincipals.cpp