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1 /* | |
2 * Copyright (C) 2007-2011 Google 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 are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "bindings/core/v8/V8InjectedScriptHost.h" | |
33 | |
34 #include "bindings/core/v8/V8EventTarget.h" | |
35 #include "bindings/core/v8/V8HTMLAllCollection.h" | |
36 #include "bindings/core/v8/V8HTMLCollection.h" | |
37 #include "bindings/core/v8/V8Node.h" | |
38 #include "bindings/core/v8/V8NodeList.h" | |
39 #include "bindings/core/v8/V8Storage.h" | |
40 #include "bindings/modules/v8/V8Database.h" | |
41 #include "bindings/v8/BindingSecurity.h" | |
42 #include "bindings/v8/ExceptionState.h" | |
43 #include "bindings/v8/ScriptDebugServer.h" | |
44 #include "bindings/v8/ScriptValue.h" | |
45 #include "bindings/v8/V8AbstractEventListener.h" | |
46 #include "bindings/v8/V8Binding.h" | |
47 #include "bindings/v8/V8ScriptRunner.h" | |
48 #include "bindings/v8/custom/V8Float32ArrayCustom.h" | |
49 #include "bindings/v8/custom/V8Float64ArrayCustom.h" | |
50 #include "bindings/v8/custom/V8Int16ArrayCustom.h" | |
51 #include "bindings/v8/custom/V8Int32ArrayCustom.h" | |
52 #include "bindings/v8/custom/V8Int8ArrayCustom.h" | |
53 #include "bindings/v8/custom/V8Uint16ArrayCustom.h" | |
54 #include "bindings/v8/custom/V8Uint32ArrayCustom.h" | |
55 #include "bindings/v8/custom/V8Uint8ArrayCustom.h" | |
56 #include "bindings/v8/custom/V8Uint8ClampedArrayCustom.h" | |
57 #include "core/events/EventTarget.h" | |
58 #include "core/frame/LocalDOMWindow.h" | |
59 #include "core/inspector/InjectedScript.h" | |
60 #include "core/inspector/InjectedScriptHost.h" | |
61 #include "core/inspector/InspectorDOMAgent.h" | |
62 #include "modules/webdatabase/Database.h" | |
63 #include "platform/JSONValues.h" | |
64 | |
65 namespace WebCore { | |
66 | |
67 Node* InjectedScriptHost::scriptValueAsNode(ScriptState* scriptState, ScriptValu
e value) | |
68 { | |
69 ScriptState::Scope scope(scriptState); | |
70 if (!value.isObject() || value.isNull()) | |
71 return 0; | |
72 return V8Node::toNative(v8::Handle<v8::Object>::Cast(value.v8Value())); | |
73 } | |
74 | |
75 ScriptValue InjectedScriptHost::nodeAsScriptValue(ScriptState* scriptState, Node
* node) | |
76 { | |
77 ScriptState::Scope scope(scriptState); | |
78 v8::Isolate* isolate = scriptState->isolate(); | |
79 ExceptionState exceptionState(ExceptionState::ExecutionContext, "nodeAsScrip
tValue", "InjectedScriptHost", scriptState->context()->Global(), isolate); | |
80 if (!BindingSecurity::shouldAllowAccessToNode(isolate, node, exceptionState)
) | |
81 return ScriptValue(scriptState, v8::Null(isolate)); | |
82 return ScriptValue(scriptState, toV8(node, scriptState->context()->Global(),
isolate)); | |
83 } | |
84 | |
85 void V8InjectedScriptHost::inspectedObjectMethodCustom(const v8::FunctionCallbac
kInfo<v8::Value>& info) | |
86 { | |
87 if (info.Length() < 1) | |
88 return; | |
89 | |
90 if (!info[0]->IsInt32()) { | |
91 throwTypeError("argument has to be an integer", info.GetIsolate()); | |
92 return; | |
93 } | |
94 | |
95 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
96 InjectedScriptHost::InspectableObject* object = host->inspectedObject(info[0
]->ToInt32()->Value()); | |
97 v8SetReturnValue(info, object->get(ScriptState::current(info.GetIsolate())).
v8Value()); | |
98 } | |
99 | |
100 void V8InjectedScriptHost::internalConstructorNameMethodCustom(const v8::Functio
nCallbackInfo<v8::Value>& info) | |
101 { | |
102 if (info.Length() < 1) | |
103 return; | |
104 | |
105 if (!info[0]->IsObject()) | |
106 return; | |
107 | |
108 v8SetReturnValue(info, info[0]->ToObject()->GetConstructorName()); | |
109 } | |
110 | |
111 void V8InjectedScriptHost::isHTMLAllCollectionMethodCustom(const v8::FunctionCal
lbackInfo<v8::Value>& info) | |
112 { | |
113 if (info.Length() < 1) | |
114 return; | |
115 | |
116 if (!info[0]->IsObject()) { | |
117 v8SetReturnValue(info, false); | |
118 return; | |
119 } | |
120 | |
121 v8SetReturnValue(info, V8HTMLAllCollection::hasInstance(info[0], info.GetIso
late())); | |
122 } | |
123 | |
124 void V8InjectedScriptHost::typeMethodCustom(const v8::FunctionCallbackInfo<v8::V
alue>& info) | |
125 { | |
126 if (info.Length() < 1) | |
127 return; | |
128 v8::Isolate* isolate = info.GetIsolate(); | |
129 | |
130 v8::Handle<v8::Value> value = info[0]; | |
131 if (value->IsString()) { | |
132 v8SetReturnValue(info, v8AtomicString(isolate, "string")); | |
133 return; | |
134 } | |
135 if (value->IsArray()) { | |
136 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
137 return; | |
138 } | |
139 if (value->IsBoolean()) { | |
140 v8SetReturnValue(info, v8AtomicString(isolate, "boolean")); | |
141 return; | |
142 } | |
143 if (value->IsNumber()) { | |
144 v8SetReturnValue(info, v8AtomicString(isolate, "number")); | |
145 return; | |
146 } | |
147 if (value->IsDate()) { | |
148 v8SetReturnValue(info, v8AtomicString(isolate, "date")); | |
149 return; | |
150 } | |
151 if (value->IsRegExp()) { | |
152 v8SetReturnValue(info, v8AtomicString(isolate, "regexp")); | |
153 return; | |
154 } | |
155 if (V8Node::hasInstance(value, isolate)) { | |
156 v8SetReturnValue(info, v8AtomicString(isolate, "node")); | |
157 return; | |
158 } | |
159 if (V8NodeList::hasInstance(value, isolate)) { | |
160 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
161 return; | |
162 } | |
163 if (V8HTMLCollection::hasInstance(value, isolate)) { | |
164 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
165 return; | |
166 } | |
167 if (V8Int8Array::hasInstance(value, isolate) || V8Int16Array::hasInstance(va
lue, isolate) || V8Int32Array::hasInstance(value, isolate)) { | |
168 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
169 return; | |
170 } | |
171 if (V8Uint8Array::hasInstance(value, isolate) || V8Uint16Array::hasInstance(
value, isolate) || V8Uint32Array::hasInstance(value, isolate)) { | |
172 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
173 return; | |
174 } | |
175 if (V8Float32Array::hasInstance(value, isolate) || V8Float64Array::hasInstan
ce(value, isolate)) { | |
176 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
177 return; | |
178 } | |
179 if (V8Uint8ClampedArray::hasInstance(value, isolate)) { | |
180 v8SetReturnValue(info, v8AtomicString(isolate, "array")); | |
181 return; | |
182 } | |
183 } | |
184 | |
185 static bool setFunctionName(v8::Handle<v8::Object>& result, const v8::Handle<v8:
:Value>& value, v8::Isolate* isolate) | |
186 { | |
187 if (value->IsString() && v8::Handle<v8::String>::Cast(value)->Length()) { | |
188 result->Set(v8AtomicString(isolate, "functionName"), value); | |
189 return true; | |
190 } | |
191 return false; | |
192 } | |
193 | |
194 void V8InjectedScriptHost::functionDetailsMethodCustom(const v8::FunctionCallbac
kInfo<v8::Value>& info) | |
195 { | |
196 if (info.Length() < 1) | |
197 return; | |
198 | |
199 v8::Isolate* isolate = info.GetIsolate(); | |
200 | |
201 v8::Handle<v8::Value> value = info[0]; | |
202 if (!value->IsFunction()) | |
203 return; | |
204 v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(value); | |
205 int lineNumber = function->GetScriptLineNumber(); | |
206 int columnNumber = function->GetScriptColumnNumber(); | |
207 | |
208 v8::Local<v8::Object> location = v8::Object::New(isolate); | |
209 location->Set(v8AtomicString(isolate, "lineNumber"), v8::Integer::New(isolat
e, lineNumber)); | |
210 location->Set(v8AtomicString(isolate, "columnNumber"), v8::Integer::New(isol
ate, columnNumber)); | |
211 location->Set(v8AtomicString(isolate, "scriptId"), v8::Integer::New(isolate,
function->ScriptId())->ToString()); | |
212 | |
213 v8::Local<v8::Object> result = v8::Object::New(isolate); | |
214 result->Set(v8AtomicString(isolate, "location"), location); | |
215 | |
216 if (!setFunctionName(result, function->GetDisplayName(), isolate) | |
217 && !setFunctionName(result, function->GetName(), isolate) | |
218 && !setFunctionName(result, function->GetInferredName(), isolate)) | |
219 result->Set(v8AtomicString(isolate, "functionName"), v8AtomicString(isol
ate, "")); | |
220 | |
221 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
222 ScriptDebugServer& debugServer = host->scriptDebugServer(); | |
223 v8::Handle<v8::Value> scopes = debugServer.functionScopes(function); | |
224 if (!scopes.IsEmpty() && scopes->IsArray()) | |
225 result->Set(v8AtomicString(isolate, "rawScopes"), scopes); | |
226 | |
227 v8SetReturnValue(info, result); | |
228 } | |
229 | |
230 void V8InjectedScriptHost::getInternalPropertiesMethodCustom(const v8::FunctionC
allbackInfo<v8::Value>& info) | |
231 { | |
232 if (info.Length() < 1) | |
233 return; | |
234 | |
235 v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(info[0]); | |
236 | |
237 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
238 ScriptDebugServer& debugServer = host->scriptDebugServer(); | |
239 v8SetReturnValue(info, debugServer.getInternalProperties(object)); | |
240 } | |
241 | |
242 static v8::Handle<v8::Array> getJSListenerFunctions(ExecutionContext* executionC
ontext, const EventListenerInfo& listenerInfo, v8::Isolate* isolate) | |
243 { | |
244 v8::Local<v8::Array> result = v8::Array::New(isolate); | |
245 size_t handlersCount = listenerInfo.eventListenerVector.size(); | |
246 for (size_t i = 0, outputIndex = 0; i < handlersCount; ++i) { | |
247 RefPtr<EventListener> listener = listenerInfo.eventListenerVector[i].lis
tener; | |
248 if (listener->type() != EventListener::JSEventListenerType) { | |
249 ASSERT_NOT_REACHED(); | |
250 continue; | |
251 } | |
252 V8AbstractEventListener* v8Listener = static_cast<V8AbstractEventListene
r*>(listener.get()); | |
253 v8::Local<v8::Context> context = toV8Context(executionContext, v8Listene
r->world()); | |
254 // Hide listeners from other contexts. | |
255 if (context != isolate->GetCurrentContext()) | |
256 continue; | |
257 v8::Local<v8::Object> function; | |
258 { | |
259 // getListenerObject() may cause JS in the event attribute to get co
mpiled, potentially unsuccessfully. | |
260 v8::TryCatch block; | |
261 function = v8Listener->getListenerObject(executionContext); | |
262 if (block.HasCaught()) | |
263 continue; | |
264 } | |
265 ASSERT(!function.IsEmpty()); | |
266 v8::Local<v8::Object> listenerEntry = v8::Object::New(isolate); | |
267 listenerEntry->Set(v8AtomicString(isolate, "listener"), function); | |
268 listenerEntry->Set(v8AtomicString(isolate, "useCapture"), v8::Boolean::N
ew(isolate, listenerInfo.eventListenerVector[i].useCapture)); | |
269 result->Set(v8::Number::New(isolate, outputIndex++), listenerEntry); | |
270 } | |
271 return result; | |
272 } | |
273 | |
274 void V8InjectedScriptHost::getEventListenersMethodCustom(const v8::FunctionCallb
ackInfo<v8::Value>& info) | |
275 { | |
276 if (info.Length() < 1) | |
277 return; | |
278 | |
279 | |
280 v8::Local<v8::Value> value = info[0]; | |
281 EventTarget* target = V8EventTarget::toNativeWithTypeCheck(info.GetIsolate()
, value); | |
282 | |
283 // We need to handle a LocalDOMWindow specially, because a LocalDOMWindow wr
apper exists on a prototype chain. | |
284 if (!target) | |
285 target = toDOMWindow(value, info.GetIsolate()); | |
286 | |
287 if (!target || !target->executionContext()) | |
288 return; | |
289 | |
290 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
291 Vector<EventListenerInfo> listenersArray; | |
292 host->getEventListenersImpl(target, listenersArray); | |
293 | |
294 v8::Local<v8::Object> result = v8::Object::New(info.GetIsolate()); | |
295 for (size_t i = 0; i < listenersArray.size(); ++i) { | |
296 v8::Handle<v8::Array> listeners = getJSListenerFunctions(target->executi
onContext(), listenersArray[i], info.GetIsolate()); | |
297 if (!listeners->Length()) | |
298 continue; | |
299 AtomicString eventType = listenersArray[i].eventType; | |
300 result->Set(v8String(info.GetIsolate(), eventType), listeners); | |
301 } | |
302 | |
303 v8SetReturnValue(info, result); | |
304 } | |
305 | |
306 void V8InjectedScriptHost::inspectMethodCustom(const v8::FunctionCallbackInfo<v8
::Value>& info) | |
307 { | |
308 if (info.Length() < 2) | |
309 return; | |
310 | |
311 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
312 ScriptState* scriptState = ScriptState::current(info.GetIsolate()); | |
313 ScriptValue object(scriptState, info[0]); | |
314 ScriptValue hints(scriptState, info[1]); | |
315 host->inspectImpl(object.toJSONValue(scriptState), hints.toJSONValue(scriptS
tate)); | |
316 } | |
317 | |
318 void V8InjectedScriptHost::evaluateMethodCustom(const v8::FunctionCallbackInfo<v
8::Value>& info) | |
319 { | |
320 v8::Isolate* isolate = info.GetIsolate(); | |
321 if (info.Length() < 1) { | |
322 isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(iso
late, "One argument expected."))); | |
323 return; | |
324 } | |
325 | |
326 v8::Handle<v8::String> expression = info[0]->ToString(); | |
327 if (expression.IsEmpty()) { | |
328 isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(iso
late, "The argument must be a string."))); | |
329 return; | |
330 } | |
331 | |
332 ASSERT(isolate->InContext()); | |
333 v8::TryCatch tryCatch; | |
334 v8::Handle<v8::Value> result = V8ScriptRunner::compileAndRunInternalScript(e
xpression, info.GetIsolate()); | |
335 if (tryCatch.HasCaught()) { | |
336 v8SetReturnValue(info, tryCatch.ReThrow()); | |
337 return; | |
338 } | |
339 v8SetReturnValue(info, result); | |
340 } | |
341 | |
342 void V8InjectedScriptHost::setFunctionVariableValueMethodCustom(const v8::Functi
onCallbackInfo<v8::Value>& info) | |
343 { | |
344 v8::Handle<v8::Value> functionValue = info[0]; | |
345 int scopeIndex = info[1]->Int32Value(); | |
346 String variableName = toCoreStringWithUndefinedOrNullCheck(info[2]); | |
347 v8::Handle<v8::Value> newValue = info[3]; | |
348 | |
349 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
350 ScriptDebugServer& debugServer = host->scriptDebugServer(); | |
351 v8SetReturnValue(info, debugServer.setFunctionVariableValue(functionValue, s
copeIndex, variableName, newValue)); | |
352 } | |
353 | |
354 static bool getFunctionLocation(const v8::FunctionCallbackInfo<v8::Value>& info,
String* scriptId, int* lineNumber, int* columnNumber) | |
355 { | |
356 if (info.Length() < 1) | |
357 return false; | |
358 v8::Handle<v8::Value> fn = info[0]; | |
359 if (!fn->IsFunction()) | |
360 return false; | |
361 v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(fn); | |
362 *lineNumber = function->GetScriptLineNumber(); | |
363 *columnNumber = function->GetScriptColumnNumber(); | |
364 if (*lineNumber == v8::Function::kLineOffsetNotFound || *columnNumber == v8:
:Function::kLineOffsetNotFound) | |
365 return false; | |
366 *scriptId = String::number(function->ScriptId()); | |
367 return true; | |
368 } | |
369 | |
370 void V8InjectedScriptHost::debugFunctionMethodCustom(const v8::FunctionCallbackI
nfo<v8::Value>& info) | |
371 { | |
372 String scriptId; | |
373 int lineNumber; | |
374 int columnNumber; | |
375 if (!getFunctionLocation(info, &scriptId, &lineNumber, &columnNumber)) | |
376 return; | |
377 | |
378 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
379 host->debugFunction(scriptId, lineNumber, columnNumber); | |
380 } | |
381 | |
382 void V8InjectedScriptHost::undebugFunctionMethodCustom(const v8::FunctionCallbac
kInfo<v8::Value>& info) | |
383 { | |
384 String scriptId; | |
385 int lineNumber; | |
386 int columnNumber; | |
387 if (!getFunctionLocation(info, &scriptId, &lineNumber, &columnNumber)) | |
388 return; | |
389 | |
390 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
391 host->undebugFunction(scriptId, lineNumber, columnNumber); | |
392 } | |
393 | |
394 void V8InjectedScriptHost::monitorFunctionMethodCustom(const v8::FunctionCallbac
kInfo<v8::Value>& info) | |
395 { | |
396 String scriptId; | |
397 int lineNumber; | |
398 int columnNumber; | |
399 if (!getFunctionLocation(info, &scriptId, &lineNumber, &columnNumber)) | |
400 return; | |
401 | |
402 v8::Handle<v8::Value> name; | |
403 if (info.Length() > 0 && info[0]->IsFunction()) { | |
404 v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(info[
0]); | |
405 name = function->GetName(); | |
406 if (!name->IsString() || !v8::Handle<v8::String>::Cast(name)->Length()) | |
407 name = function->GetInferredName(); | |
408 } | |
409 | |
410 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
411 host->monitorFunction(scriptId, lineNumber, columnNumber, toCoreStringWithUn
definedOrNullCheck(name)); | |
412 } | |
413 | |
414 void V8InjectedScriptHost::unmonitorFunctionMethodCustom(const v8::FunctionCallb
ackInfo<v8::Value>& info) | |
415 { | |
416 String scriptId; | |
417 int lineNumber; | |
418 int columnNumber; | |
419 if (!getFunctionLocation(info, &scriptId, &lineNumber, &columnNumber)) | |
420 return; | |
421 | |
422 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
423 host->unmonitorFunction(scriptId, lineNumber, columnNumber); | |
424 } | |
425 | |
426 void V8InjectedScriptHost::suppressWarningsAndCallMethodCustom(const v8::Functio
nCallbackInfo<v8::Value>& info) | |
427 { | |
428 if (info.Length() < 2 || !info[0]->IsObject() || !info[1]->IsFunction()) | |
429 return; | |
430 | |
431 InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder()); | |
432 ScriptDebugServer& debugServer = host->scriptDebugServer(); | |
433 debugServer.muteWarningsAndDeprecations(); | |
434 | |
435 v8::Handle<v8::Object> receiver = v8::Handle<v8::Object>::Cast(info[0]); | |
436 v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(info[1]); | |
437 size_t argc = info.Length() - 2; | |
438 OwnPtr<v8::Handle<v8::Value>[]> argv = adoptArrayPtr(new v8::Handle<v8::Valu
e>[argc]); | |
439 for (size_t i = 0; i < argc; ++i) | |
440 argv[i] = info[i + 2]; | |
441 | |
442 v8::Local<v8::Value> result = function->Call(receiver, argc, argv.get()); | |
443 debugServer.unmuteWarningsAndDeprecations(); | |
444 v8SetReturnValue(info, result); | |
445 } | |
446 | |
447 } // namespace WebCore | |
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