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1 /* | 1 /* |
2 * Copyright (C) 2009, 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2009, 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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146 // Delete the accessor from the inner object. | 146 // Delete the accessor from the inner object. |
147 info.Holder()->Delete(isolate->GetCurrentContext(), v8AtomicString(isolate,
"opener")); | 147 info.Holder()->Delete(isolate->GetCurrentContext(), v8AtomicString(isolate,
"opener")); |
148 | 148 |
149 // Put property on the inner object. | 149 // Put property on the inner object. |
150 if (info.Holder()->IsObject()) { | 150 if (info.Holder()->IsObject()) { |
151 v8::Maybe<bool> unused = v8::Local<v8::Object>::Cast(info.Holder())->Set
(isolate->GetCurrentContext(), v8AtomicString(isolate, "opener"), value); | 151 v8::Maybe<bool> unused = v8::Local<v8::Object>::Cast(info.Holder())->Set
(isolate->GetCurrentContext(), v8AtomicString(isolate, "opener"), value); |
152 ALLOW_UNUSED_LOCAL(unused); | 152 ALLOW_UNUSED_LOCAL(unused); |
153 } | 153 } |
154 } | 154 } |
155 | 155 |
156 static bool isLegacyTargetOriginDesignation(v8::Local<v8::Value> value) | |
157 { | |
158 if (value->IsString() || value->IsStringObject()) | |
159 return true; | |
160 return false; | |
161 } | |
162 | |
163 | |
164 void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>
& info) | 156 void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>
& info) |
165 { | 157 { |
166 ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage
", "Window", info.Holder(), info.GetIsolate()); | 158 ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage
", "Window", info.Holder(), info.GetIsolate()); |
167 if (UNLIKELY(info.Length() < 2)) { | 159 if (UNLIKELY(info.Length() < 2)) { |
168 setMinimumArityTypeError(exceptionState, 2, info.Length()); | 160 setMinimumArityTypeError(exceptionState, 2, info.Length()); |
169 exceptionState.throwIfNeeded(); | 161 exceptionState.throwIfNeeded(); |
170 return; | 162 return; |
171 } | 163 } |
172 | 164 |
173 // None of these need to be RefPtr because info and context are guaranteed | 165 // None of these need to be RefPtr because info and context are guaranteed |
174 // to hold on to them. | 166 // to hold on to them. |
175 DOMWindow* window = V8Window::toImpl(info.Holder()); | 167 DOMWindow* window = V8Window::toImpl(info.Holder()); |
176 // TODO(yukishiino): The HTML spec specifies that we should use the | 168 // TODO(yukishiino): The HTML spec specifies that we should use the |
177 // Incumbent Realm instead of the Current Realm, but currently we don't have | 169 // Incumbent Realm instead of the Current Realm, but currently we don't have |
178 // a way to retrieve the Incumbent Realm. See also: | 170 // a way to retrieve the Incumbent Realm. See also: |
179 // https://html.spec.whatwg.org/multipage/comms.html#dom-window-postmessage | 171 // https://html.spec.whatwg.org/multipage/comms.html#dom-window-postmessage |
180 LocalDOMWindow* source = currentDOMWindow(info.GetIsolate()); | 172 LocalDOMWindow* source = currentDOMWindow(info.GetIsolate()); |
181 | 173 |
182 ASSERT(window); | 174 ASSERT(window); |
183 UseCounter::countIfNotPrivateScript(info.GetIsolate(), window->frame(), UseC
ounter::WindowPostMessage); | 175 UseCounter::countIfNotPrivateScript(info.GetIsolate(), window->frame(), UseC
ounter::WindowPostMessage); |
184 | 176 |
185 // If called directly by WebCore we don't have a calling context. | 177 // If called directly by WebCore we don't have a calling context. |
186 if (!source) { | 178 if (!source) { |
187 exceptionState.throwTypeError("No active calling context exists."); | 179 exceptionState.throwTypeError("No active calling context exists."); |
188 exceptionState.throwIfNeeded(); | 180 exceptionState.throwIfNeeded(); |
189 return; | 181 return; |
190 } | 182 } |
191 | 183 |
192 // This function has variable arguments and can be: | 184 // This function has variable arguments and can be: |
193 // Per current spec: | |
194 // postMessage(message, targetOrigin) | 185 // postMessage(message, targetOrigin) |
195 // postMessage(message, targetOrigin, {sequence of transferrables}) | 186 // postMessage(message, targetOrigin, {sequence of transferrables}) |
196 // Legacy non-standard implementations in webkit allowed: | 187 // TODO(foolip): Type checking of the arguments should happen in order, so |
197 // postMessage(message, {sequence of transferrables}, targetOrigin); | 188 // that e.g. postMessage({}, { toString: () => { throw Error(); } }, 0) |
| 189 // throws the Error from toString, not the TypeError for argument 3. |
198 Transferables transferables; | 190 Transferables transferables; |
199 int targetOriginArgIndex = 1; | 191 const int targetOriginArgIndex = 1; |
200 if (info.Length() > 2) { | 192 if (info.Length() > 2) { |
201 int transferablesArgIndex = 2; | 193 const int transferablesArgIndex = 2; |
202 if (isLegacyTargetOriginDesignation(info[2])) { | |
203 Deprecation::countDeprecationIfNotPrivateScript(info.GetIsolate(), w
indow->document(), UseCounter::WindowPostMessageWithLegacyTargetOriginArgument); | |
204 targetOriginArgIndex = 2; | |
205 transferablesArgIndex = 1; | |
206 } | |
207 if (!SerializedScriptValue::extractTransferables(info.GetIsolate(), info
[transferablesArgIndex], transferablesArgIndex, transferables, exceptionState))
{ | 194 if (!SerializedScriptValue::extractTransferables(info.GetIsolate(), info
[transferablesArgIndex], transferablesArgIndex, transferables, exceptionState))
{ |
208 exceptionState.throwIfNeeded(); | 195 exceptionState.throwIfNeeded(); |
209 return; | 196 return; |
210 } | 197 } |
211 } | 198 } |
| 199 // TODO(foolip): targetOrigin should be a USVString in IDL and treated as |
| 200 // such here, without TreatNullAndUndefinedAsNullString. |
212 TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, targetOri
gin, info[targetOriginArgIndex]); | 201 TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, targetOri
gin, info[targetOriginArgIndex]); |
213 | 202 |
214 RefPtr<SerializedScriptValue> message = SerializedScriptValue::serialize(inf
o.GetIsolate(), info[0], &transferables, nullptr, exceptionState); | 203 RefPtr<SerializedScriptValue> message = SerializedScriptValue::serialize(inf
o.GetIsolate(), info[0], &transferables, nullptr, exceptionState); |
215 if (exceptionState.throwIfNeeded()) | 204 if (exceptionState.throwIfNeeded()) |
216 return; | 205 return; |
217 | 206 |
218 window->postMessage(message.release(), transferables.messagePorts, targetOri
gin, source, exceptionState); | 207 window->postMessage(message.release(), transferables.messagePorts, targetOri
gin, source, exceptionState); |
219 exceptionState.throwIfNeeded(); | 208 exceptionState.throwIfNeeded(); |
220 } | 209 } |
221 | 210 |
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302 if (items->hasExactlyOneItem()) { | 291 if (items->hasExactlyOneItem()) { |
303 v8SetReturnValueFast(info, items->item(0), window); | 292 v8SetReturnValueFast(info, items->item(0), window); |
304 return; | 293 return; |
305 } | 294 } |
306 v8SetReturnValueFast(info, items, window); | 295 v8SetReturnValueFast(info, items, window); |
307 return; | 296 return; |
308 } | 297 } |
309 } | 298 } |
310 | 299 |
311 } // namespace blink | 300 } // namespace blink |
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