The Tor Browser: js/ductwork/debugger/JSDebugger.cpp@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */

     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 "JSDebugger.h"

     7 #include "nsIXPConnect.h"

     8 #include "nsThreadUtils.h"

     9 #include "jsapi.h"

    10 #include "jsfriendapi.h"

    11 #include "jswrapper.h"

    12 #include "js/OldDebugAPI.h"

    13 #include "mozilla/ModuleUtils.h"

    14 #include "nsServiceManagerUtils.h"

    15 #include "nsMemory.h"

    17 #define JSDEBUGGER_CONTRACTID \

    18   "@mozilla.org/jsdebugger;1"

    20 #define JSDEBUGGER_CID \

    21 { 0x0365cbd5, 0xd46e, 0x4e94, { 0xa3, 0x9f, 0x83, 0xb6, 0x3c, 0xd1, 0xa9, 0x63 } }

    23 namespace mozilla {

    24 namespace jsdebugger {

    26 NS_GENERIC_FACTORY_CONSTRUCTOR(JSDebugger)

    28 NS_IMPL_ISUPPORTS(JSDebugger, IJSDebugger)

    30 JSDebugger::JSDebugger()

    31 {

    32 }

    34 JSDebugger::~JSDebugger()

    35 {

    36 }

    38 NS_IMETHODIMP

    39 JSDebugger::AddClass(JS::Handle<JS::Value> global, JSContext* cx)

    40 {

    41   nsresult rv;

    42   nsCOMPtr<nsIXPConnect> xpc = do_GetService(nsIXPConnect::GetCID(), &rv);

    44   if (!global.isObject()) {

    45     return NS_ERROR_INVALID_ARG;

    46   }

    48   JS::RootedObject obj(cx, &global.toObject());

    49   obj = js::UncheckedUnwrap(obj, /* stopAtOuter = */ false);

    50   if (!obj) {

    51     return NS_ERROR_FAILURE;

    52   }

    54   JSAutoCompartment ac(cx, obj);

    55   if (JS_GetGlobalForObject(cx, obj) != obj) {

    56     return NS_ERROR_INVALID_ARG;

    57   }

    59   if (!JS_DefineDebuggerObject(cx, obj)) {

    60     return NS_ERROR_FAILURE;

    61   }

    63   return NS_OK;

    64 }

    66 }

    67 }

    69 NS_DEFINE_NAMED_CID(JSDEBUGGER_CID);

    71 static const mozilla::Module::CIDEntry kJSDebuggerCIDs[] = {

    72   { &kJSDEBUGGER_CID, false, nullptr, mozilla::jsdebugger::JSDebuggerConstructor },

    73   { nullptr }

    74 };

    76 static const mozilla::Module::ContractIDEntry kJSDebuggerContracts[] = {

    77   { JSDEBUGGER_CONTRACTID, &kJSDEBUGGER_CID },

    78   { nullptr }

    79 };

    81 static const mozilla::Module kJSDebuggerModule = {

    82   mozilla::Module::kVersion,

    83   kJSDebuggerCIDs,

    84   kJSDebuggerContracts

    85 };

    87 NSMODULE_DEFN(jsdebugger) = &kJSDebuggerModule;

The Tor Browser / file revision

js/ductwork/debugger/JSDebugger.cpp@97036ab72558

js/ductwork/debugger/JSDebugger.cpp