1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_ShadowRealmGlobalScope_h
#define mozilla_dom_ShadowRealmGlobalScope_h
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "mozilla/Maybe.h"
#include "mozilla/OriginTrials.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "nsContentUtils.h"
#include "nsIGlobalObject.h"
#include "nsWrapperCache.h"
#include "js/loader/ModuleLoaderBase.h"
namespace mozilla::dom {
#define SHADOWREALMGLOBALSCOPE_IID \
{ /* 1b0a59dd-c1cb-429a-bb90-cea17994dba2 */ \
0x1b0a59dd, 0xc1cb, 0x429a, { \
0xbb, 0x90, 0xce, 0xa1, 0x79, 0x94, 0xdb, 0xa2 \
} \
}
// Required for providing the wrapper, as this is the global used inside a Gecko
// backed ShadowRealm, but also required to power module resolution.
class ShadowRealmGlobalScope : public nsIGlobalObject, public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(ShadowRealmGlobalScope)
NS_DECLARE_STATIC_IID_ACCESSOR(SHADOWREALMGLOBALSCOPE_IID)
explicit ShadowRealmGlobalScope(nsIGlobalObject* aCreatingGlobal)
: mCreatingGlobal(aCreatingGlobal){};
nsIGlobalObject* GetCreatingGlobal() const { return mCreatingGlobal; }
OriginTrials Trials() const override { return {}; }
JSObject* GetGlobalJSObject() override { return GetWrapper(); }
JSObject* GetGlobalJSObjectPreserveColor() const override {
return GetWrapperPreserveColor();
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override {
MOZ_CRASH("Shouldn't be here");
return nullptr;
}
JS::loader::ModuleLoaderBase* GetModuleLoader(JSContext* aCx) override;
bool ShouldResistFingerprinting(
RFPTarget aTarget = RFPTarget::Unknown) const override {
return nsContentUtils::ShouldResistFingerprinting(
"Presently we don't have enough context to make an informed decision"
"on JS Sandboxes. See 1782853",
aTarget);
}
private:
virtual ~ShadowRealmGlobalScope() = default;
RefPtr<JS::loader::ModuleLoaderBase> mModuleLoader;
// The global which created this ShadowRealm
nsCOMPtr<nsIGlobalObject> mCreatingGlobal;
};
NS_DEFINE_STATIC_IID_ACCESSOR(ShadowRealmGlobalScope,
SHADOWREALMGLOBALSCOPE_IID)
JSObject* NewShadowRealmGlobal(JSContext* aCx, JS::RealmOptions& aOptions,
JSPrincipals* aPrincipals,
JS::Handle<JSObject*> aGlobalObj);
bool IsShadowRealmGlobal(JSObject* aObject);
} // namespace mozilla::dom
#endif
|