1/*
2 This file is part of the WebKit open source project.
3 This file has been generated by generate-bindings.pl. DO NOT MODIFY!
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
19*/
20
21#include "config.h"
22#include "JSCrypto.h"
23
24#include "JSDOMAttribute.h"
25#include "JSDOMBinding.h"
26#include "JSDOMConstructorNotConstructable.h"
27#include "JSDOMConvertBufferSource.h"
28#include "JSDOMExceptionHandling.h"
29#include "JSDOMOperation.h"
30#include "JSDOMWrapperCache.h"
31#include "ScriptExecutionContext.h"
32#include <JavaScriptCore/FunctionPrototype.h>
33#include <JavaScriptCore/HeapSnapshotBuilder.h>
34#include <JavaScriptCore/JSCInlines.h>
35#include <wtf/GetPtr.h>
36#include <wtf/PointerPreparations.h>
37#include <wtf/URL.h>
38
39#if ENABLE(WEB_CRYPTO)
40#include "JSDOMConvertInterface.h"
41#include "JSDOMGlobalObject.h"
42#include "JSSubtleCrypto.h"
43#endif
44
45
46namespace WebCore {
47using namespace JSC;
48
49// Functions
50
51JSC::EncodedJSValue JSC_HOST_CALL jsCryptoPrototypeFunctionGetRandomValues(JSC::ExecState*);
52
53// Attributes
54
55JSC::EncodedJSValue jsCryptoConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
56bool setJSCryptoConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
57#if ENABLE(WEB_CRYPTO)
58JSC::EncodedJSValue jsCryptoSubtle(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
59#endif
60
61class JSCryptoPrototype : public JSC::JSNonFinalObject {
62public:
63 using Base = JSC::JSNonFinalObject;
64 static JSCryptoPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
65 {
66 JSCryptoPrototype* ptr = new (NotNull, JSC::allocateCell<JSCryptoPrototype>(vm.heap)) JSCryptoPrototype(vm, globalObject, structure);
67 ptr->finishCreation(vm);
68 return ptr;
69 }
70
71 DECLARE_INFO;
72 static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
73 {
74 return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
75 }
76
77private:
78 JSCryptoPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
79 : JSC::JSNonFinalObject(vm, structure)
80 {
81 }
82
83 void finishCreation(JSC::VM&);
84};
85
86using JSCryptoConstructor = JSDOMConstructorNotConstructable<JSCrypto>;
87
88template<> JSValue JSCryptoConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
89{
90 UNUSED_PARAM(vm);
91 return globalObject.functionPrototype();
92}
93
94template<> void JSCryptoConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
95{
96 putDirect(vm, vm.propertyNames->prototype, JSCrypto::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
97 putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("Crypto"_s)), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
98 putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
99}
100
101template<> const ClassInfo JSCryptoConstructor::s_info = { "Crypto", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCryptoConstructor) };
102
103/* Hash table for prototype */
104
105static const HashTableValue JSCryptoPrototypeTableValues[] =
106{
107 { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCryptoConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSCryptoConstructor) } },
108#if ENABLE(WEB_CRYPTO)
109 { "subtle", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCryptoSubtle), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
110#else
111 { 0, 0, NoIntrinsic, { 0, 0 } },
112#endif
113 { "getRandomValues", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsCryptoPrototypeFunctionGetRandomValues), (intptr_t) (1) } },
114};
115
116const ClassInfo JSCryptoPrototype::s_info = { "CryptoPrototype", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCryptoPrototype) };
117
118void JSCryptoPrototype::finishCreation(VM& vm)
119{
120 Base::finishCreation(vm);
121 reifyStaticProperties(vm, JSCrypto::info(), JSCryptoPrototypeTableValues, *this);
122}
123
124const ClassInfo JSCrypto::s_info = { "Crypto", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCrypto) };
125
126JSCrypto::JSCrypto(Structure* structure, JSDOMGlobalObject& globalObject, Ref<Crypto>&& impl)
127 : JSDOMWrapper<Crypto>(structure, globalObject, WTFMove(impl))
128{
129}
130
131void JSCrypto::finishCreation(VM& vm)
132{
133 Base::finishCreation(vm);
134 ASSERT(inherits(vm, info()));
135
136}
137
138JSObject* JSCrypto::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
139{
140 return JSCryptoPrototype::create(vm, &globalObject, JSCryptoPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
141}
142
143JSObject* JSCrypto::prototype(VM& vm, JSDOMGlobalObject& globalObject)
144{
145 return getDOMPrototype<JSCrypto>(vm, globalObject);
146}
147
148JSValue JSCrypto::getConstructor(VM& vm, const JSGlobalObject* globalObject)
149{
150 return getDOMConstructor<JSCryptoConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
151}
152
153void JSCrypto::destroy(JSC::JSCell* cell)
154{
155 JSCrypto* thisObject = static_cast<JSCrypto*>(cell);
156 thisObject->JSCrypto::~JSCrypto();
157}
158
159template<> inline JSCrypto* IDLAttribute<JSCrypto>::cast(ExecState& state, EncodedJSValue thisValue)
160{
161 return jsDynamicCast<JSCrypto*>(state.vm(), JSValue::decode(thisValue));
162}
163
164template<> inline JSCrypto* IDLOperation<JSCrypto>::cast(ExecState& state)
165{
166 return jsDynamicCast<JSCrypto*>(state.vm(), state.thisValue());
167}
168
169EncodedJSValue jsCryptoConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
170{
171 VM& vm = state->vm();
172 auto throwScope = DECLARE_THROW_SCOPE(vm);
173 auto* prototype = jsDynamicCast<JSCryptoPrototype*>(vm, JSValue::decode(thisValue));
174 if (UNLIKELY(!prototype))
175 return throwVMTypeError(state, throwScope);
176 return JSValue::encode(JSCrypto::getConstructor(state->vm(), prototype->globalObject()));
177}
178
179bool setJSCryptoConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
180{
181 VM& vm = state->vm();
182 auto throwScope = DECLARE_THROW_SCOPE(vm);
183 auto* prototype = jsDynamicCast<JSCryptoPrototype*>(vm, JSValue::decode(thisValue));
184 if (UNLIKELY(!prototype)) {
185 throwVMTypeError(state, throwScope);
186 return false;
187 }
188 // Shadowing a built-in constructor
189 return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue));
190}
191
192#if ENABLE(WEB_CRYPTO)
193static inline JSValue jsCryptoSubtleGetter(ExecState& state, JSCrypto& thisObject, ThrowScope& throwScope)
194{
195 UNUSED_PARAM(throwScope);
196 UNUSED_PARAM(state);
197 auto& impl = thisObject.wrapped();
198 JSValue result = toJS<IDLInterface<SubtleCrypto>>(state, *thisObject.globalObject(), throwScope, impl.subtle());
199 return result;
200}
201
202EncodedJSValue jsCryptoSubtle(ExecState* state, EncodedJSValue thisValue, PropertyName)
203{
204 return IDLAttribute<JSCrypto>::get<jsCryptoSubtleGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "subtle");
205}
206
207#endif
208
209static inline JSC::EncodedJSValue jsCryptoPrototypeFunctionGetRandomValuesBody(JSC::ExecState* state, typename IDLOperation<JSCrypto>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
210{
211 UNUSED_PARAM(state);
212 UNUSED_PARAM(throwScope);
213 auto& impl = castedThis->wrapped();
214 if (UNLIKELY(state->argumentCount() < 1))
215 return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
216 auto returnValue = state->uncheckedArgument(0);
217 auto array = convert<IDLArrayBufferView>(*state, returnValue, [](JSC::ExecState& state, JSC::ThrowScope& scope) { throwArgumentTypeError(state, scope, 0, "array", "Crypto", "getRandomValues", "ArrayBufferView"); });
218 RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
219 propagateException(*state, throwScope, impl.getRandomValues(array.releaseNonNull()));
220 return JSValue::encode(returnValue);
221}
222
223EncodedJSValue JSC_HOST_CALL jsCryptoPrototypeFunctionGetRandomValues(ExecState* state)
224{
225 return IDLOperation<JSCrypto>::call<jsCryptoPrototypeFunctionGetRandomValuesBody>(*state, "getRandomValues");
226}
227
228void JSCrypto::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder)
229{
230 auto* thisObject = jsCast<JSCrypto*>(cell);
231 builder.setWrappedObjectForCell(cell, &thisObject->wrapped());
232 if (thisObject->scriptExecutionContext())
233 builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
234 Base::heapSnapshot(cell, builder);
235}
236
237bool JSCryptoOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason)
238{
239 auto* jsCrypto = jsCast<JSCrypto*>(handle.slot()->asCell());
240 ScriptExecutionContext* root = WTF::getPtr(jsCrypto->wrapped().scriptExecutionContext());
241 if (!root)
242 return false;
243 if (UNLIKELY(reason))
244 *reason = "Reachable from ScriptExecutionContext";
245 return visitor.containsOpaqueRoot(root);
246}
247
248void JSCryptoOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
249{
250 auto* jsCrypto = static_cast<JSCrypto*>(handle.slot()->asCell());
251 auto& world = *static_cast<DOMWrapperWorld*>(context);
252 uncacheWrapper(world, &jsCrypto->wrapped(), jsCrypto);
253}
254
255#if ENABLE(BINDING_INTEGRITY)
256#if PLATFORM(WIN)
257#pragma warning(disable: 4483)
258extern "C" { extern void (*const __identifier("??_7Crypto@WebCore@@6B@")[])(); }
259#else
260extern "C" { extern void* _ZTVN7WebCore6CryptoE[]; }
261#endif
262#endif
263
264JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<Crypto>&& impl)
265{
266
267#if ENABLE(BINDING_INTEGRITY)
268 void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr()));
269#if PLATFORM(WIN)
270 void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(__identifier("??_7Crypto@WebCore@@6B@"));
271#else
272 void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(&_ZTVN7WebCore6CryptoE[2]);
273#endif
274
275 // If this fails Crypto does not have a vtable, so you need to add the
276 // ImplementationLacksVTable attribute to the interface definition
277 static_assert(std::is_polymorphic<Crypto>::value, "Crypto is not polymorphic");
278
279 // If you hit this assertion you either have a use after free bug, or
280 // Crypto has subclasses. If Crypto has subclasses that get passed
281 // to toJS() we currently require Crypto you to opt out of binding hardening
282 // by adding the SkipVTableValidation attribute to the interface IDL definition
283 RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
284#endif
285 return createWrapper<Crypto>(globalObject, WTFMove(impl));
286}
287
288JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, Crypto& impl)
289{
290 return wrap(state, globalObject, impl);
291}
292
293Crypto* JSCrypto::toWrapped(JSC::VM& vm, JSC::JSValue value)
294{
295 if (auto* wrapper = jsDynamicCast<JSCrypto*>(vm, value))
296 return &wrapper->wrapped();
297 return nullptr;
298}
299
300}
301