1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "JSRemoteDOMWindow.h"
28
29#include "JSDOMWindowCustom.h"
30#include "WebCoreJSClientData.h"
31
32namespace WebCore {
33using namespace JSC;
34
35bool JSRemoteDOMWindow::getOwnPropertySlot(JSObject* object, ExecState* state, PropertyName propertyName, PropertySlot& slot)
36{
37 if (Optional<unsigned> index = parseIndex(propertyName))
38 return getOwnPropertySlotByIndex(object, state, index.value(), slot);
39
40 auto* thisObject = jsCast<JSRemoteDOMWindow*>(object);
41 return jsDOMWindowGetOwnPropertySlotRestrictedAccess<DOMWindowType::Remote>(thisObject, thisObject->wrapped(), *state, propertyName, slot, String());
42}
43
44bool JSRemoteDOMWindow::getOwnPropertySlotByIndex(JSObject* object, ExecState* state, unsigned index, PropertySlot& slot)
45{
46 auto* thisObject = jsCast<JSRemoteDOMWindow*>(object);
47
48 // Indexed getters take precendence over regular properties, so caching would be invalid.
49 slot.disableCaching();
50
51 // FIXME: Add support for indexed properties.
52
53 return jsDOMWindowGetOwnPropertySlotRestrictedAccess<DOMWindowType::Remote>(thisObject, thisObject->wrapped(), *state, Identifier::from(state, index), slot, String());
54}
55
56bool JSRemoteDOMWindow::put(JSCell* cell, ExecState* state, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
57{
58 VM& vm = state->vm();
59 auto scope = DECLARE_THROW_SCOPE(vm);
60
61 auto* thisObject = jsCast<JSRemoteDOMWindow*>(cell);
62 if (!thisObject->wrapped().frame())
63 return false;
64
65 String errorMessage;
66
67 // We only allow setting "location" attribute cross-origin.
68 if (propertyName == static_cast<JSVMClientData*>(vm.clientData)->builtinNames().locationPublicName()) {
69 bool putResult = false;
70 if (lookupPut(state, propertyName, thisObject, value, *s_info.staticPropHashTable, slot, putResult))
71 return putResult;
72 return false;
73 }
74 throwSecurityError(*state, scope, errorMessage);
75 return false;
76}
77
78bool JSRemoteDOMWindow::putByIndex(JSCell*, ExecState*, unsigned, JSValue, bool)
79{
80 return false;
81}
82
83bool JSRemoteDOMWindow::deleteProperty(JSCell*, ExecState* state, PropertyName)
84{
85 VM& vm = state->vm();
86 auto scope = DECLARE_THROW_SCOPE(vm);
87
88 throwSecurityError(*state, scope, String());
89 return false;
90}
91
92bool JSRemoteDOMWindow::deletePropertyByIndex(JSCell*, ExecState* state, unsigned)
93{
94 VM& vm = state->vm();
95 auto scope = DECLARE_THROW_SCOPE(vm);
96
97 throwSecurityError(*state, scope, String());
98 return false;
99}
100
101void JSRemoteDOMWindow::getOwnPropertyNames(JSObject*, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
102{
103 // FIXME: Add scoped children indexes.
104
105 if (mode.includeDontEnumProperties())
106 addCrossOriginOwnPropertyNames<CrossOriginObject::Window>(*exec, propertyNames);
107}
108
109bool JSRemoteDOMWindow::defineOwnProperty(JSC::JSObject*, JSC::ExecState* state, JSC::PropertyName, const JSC::PropertyDescriptor&, bool)
110{
111 VM& vm = state->vm();
112 auto scope = DECLARE_THROW_SCOPE(vm);
113
114 throwSecurityError(*state, scope, String());
115 return false;
116}
117
118JSValue JSRemoteDOMWindow::getPrototype(JSObject*, ExecState*)
119{
120 return jsNull();
121}
122
123bool JSRemoteDOMWindow::preventExtensions(JSObject*, ExecState* exec)
124{
125 auto scope = DECLARE_THROW_SCOPE(exec->vm());
126 throwTypeError(exec, scope, "Cannot prevent extensions on this object"_s);
127 return false;
128}
129
130String JSRemoteDOMWindow::toStringName(const JSObject*, ExecState*)
131{
132 return "Object"_s;
133}
134
135} // namepace WebCore
136