mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=4 sw=4 et tw=99 ft=cpp:
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsJSPrincipals.h"
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#include "XPCWrapper.h"
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#include "CrossOriginWrapper.h"
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#include "AccessCheck.h"
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#include "WrapperFactory.h"
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namespace xpc {
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NoWaiverWrapper::NoWaiverWrapper(unsigned flags) : js::CrossCompartmentWrapper(flags)
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{
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}
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NoWaiverWrapper::~NoWaiverWrapper()
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{
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}
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CrossOriginWrapper::CrossOriginWrapper(unsigned flags) : NoWaiverWrapper(flags)
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{
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}
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CrossOriginWrapper::~CrossOriginWrapper()
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{
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}
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bool
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CrossOriginWrapper::getPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id,
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bool set, js::PropertyDescriptor *desc)
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{
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return CrossCompartmentWrapper::getPropertyDescriptor(cx, wrapper, id, set, desc) &&
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WrapperFactory::WaiveXrayAndWrap(cx, &desc->value);
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}
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bool
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CrossOriginWrapper::getOwnPropertyDescriptor(JSContext *cx, JSObject *wrapper, jsid id,
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bool set, js::PropertyDescriptor *desc)
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{
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return CrossCompartmentWrapper::getOwnPropertyDescriptor(cx, wrapper, id, set, desc) &&
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WrapperFactory::WaiveXrayAndWrap(cx, &desc->value);
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}
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bool
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CrossOriginWrapper::get(JSContext *cx, JSObject *wrapper, JSObject *receiver, jsid id,
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js::Value *vp)
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{
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return CrossCompartmentWrapper::get(cx, wrapper, receiver, id, vp) &&
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WrapperFactory::WaiveXrayAndWrap(cx, vp);
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}
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bool
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CrossOriginWrapper::call(JSContext *cx, JSObject *wrapper, unsigned argc, js::Value *vp)
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{
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return CrossCompartmentWrapper::call(cx, wrapper, argc, vp) &&
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WrapperFactory::WaiveXrayAndWrap(cx, vp);
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}
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bool
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CrossOriginWrapper::construct(JSContext *cx, JSObject *wrapper,
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unsigned argc, js::Value *argv, js::Value *rval)
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{
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return CrossCompartmentWrapper::construct(cx, wrapper, argc, argv, rval) &&
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WrapperFactory::WaiveXrayAndWrap(cx, rval);
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}
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bool
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NoWaiverWrapper::enter(JSContext *cx, JSObject *wrapper, jsid id, Action act, bool *bp)
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{
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*bp = true; // always allowed
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nsIScriptSecurityManager *ssm = XPCWrapper::GetSecurityManager();
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if (!ssm) {
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return true;
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}
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// Note: By the time enter is called here, CrossCompartmentWrapper has
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// already pushed the fake stack frame onto cx. Because of this, the frame
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// that we're clamping is the one that we want (the one in our compartment).
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JSStackFrame *fp = NULL;
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nsIPrincipal *principal = GetCompartmentPrincipal(js::GetObjectCompartment(wrappedObject(wrapper)));
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nsresult rv = ssm->PushContextPrincipal(cx, JS_FrameIterator(cx, &fp), principal);
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if (NS_FAILED(rv)) {
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NS_WARNING("Not allowing call because we're out of memory");
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JS_ReportOutOfMemory(cx);
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return false;
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}
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return true;
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}
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void
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NoWaiverWrapper::leave(JSContext *cx, JSObject *wrapper)
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{
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nsIScriptSecurityManager *ssm = XPCWrapper::GetSecurityManager();
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if (ssm) {
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ssm->PopContextPrincipal(cx);
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}
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}
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}
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