1 /*
2 * Copyright (C) 2012 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
33
34 #include "core/inspector/InjectedScript.h"
35
36 #include "bindings/v8/ScriptFunctionCall.h"
37 #include "core/inspector/InjectedScriptHost.h"
38 #include "platform/JSONValues.h"
39 #include "wtf/text/WTFString.h"
40
41 using WebCore::TypeBuilder::Array;
42 using WebCore::TypeBuilder::Debugger::CallFrame;
43 using WebCore::TypeBuilder::Runtime::PropertyDescriptor;
44 using WebCore::TypeBuilder::Runtime::InternalPropertyDescriptor;
45 using WebCore::TypeBuilder::Debugger::FunctionDetails;
46 using WebCore::TypeBuilder::Runtime::RemoteObject;
47
48 namespace WebCore {
49
InjectedScript()50 InjectedScript::InjectedScript()
51 : InjectedScriptBase("InjectedScript")
52 {
53 }
54
InjectedScript(ScriptValue injectedScriptObject,InspectedStateAccessCheck accessCheck)55 InjectedScript::InjectedScript(ScriptValue injectedScriptObject, InspectedStateAccessCheck accessCheck)
56 : InjectedScriptBase("InjectedScript", injectedScriptObject, accessCheck)
57 {
58 }
59
evaluate(ErrorString * errorString,const String & expression,const String & objectGroup,bool includeCommandLineAPI,bool returnByValue,bool generatePreview,RefPtr<TypeBuilder::Runtime::RemoteObject> * result,TypeBuilder::OptOutput<bool> * wasThrown)60 void InjectedScript::evaluate(ErrorString* errorString, const String& expression, const String& objectGroup, bool includeCommandLineAPI, bool returnByValue, bool generatePreview, RefPtr<TypeBuilder::Runtime::RemoteObject>* result, TypeBuilder::OptOutput<bool>* wasThrown)
61 {
62 ScriptFunctionCall function(injectedScriptObject(), "evaluate");
63 function.appendArgument(expression);
64 function.appendArgument(objectGroup);
65 function.appendArgument(includeCommandLineAPI);
66 function.appendArgument(returnByValue);
67 function.appendArgument(generatePreview);
68 makeEvalCall(errorString, function, result, wasThrown);
69 }
70
callFunctionOn(ErrorString * errorString,const String & objectId,const String & expression,const String & arguments,bool returnByValue,bool generatePreview,RefPtr<TypeBuilder::Runtime::RemoteObject> * result,TypeBuilder::OptOutput<bool> * wasThrown)71 void InjectedScript::callFunctionOn(ErrorString* errorString, const String& objectId, const String& expression, const String& arguments, bool returnByValue, bool generatePreview, RefPtr<TypeBuilder::Runtime::RemoteObject>* result, TypeBuilder::OptOutput<bool>* wasThrown)
72 {
73 ScriptFunctionCall function(injectedScriptObject(), "callFunctionOn");
74 function.appendArgument(objectId);
75 function.appendArgument(expression);
76 function.appendArgument(arguments);
77 function.appendArgument(returnByValue);
78 function.appendArgument(generatePreview);
79 makeEvalCall(errorString, function, result, wasThrown);
80 }
81
evaluateOnCallFrame(ErrorString * errorString,const ScriptValue & callFrames,const Vector<ScriptValue> & asyncCallStacks,const String & callFrameId,const String & expression,const String & objectGroup,bool includeCommandLineAPI,bool returnByValue,bool generatePreview,RefPtr<RemoteObject> * result,TypeBuilder::OptOutput<bool> * wasThrown)82 void InjectedScript::evaluateOnCallFrame(ErrorString* errorString, const ScriptValue& callFrames, const Vector<ScriptValue>& asyncCallStacks, const String& callFrameId, const String& expression, const String& objectGroup, bool includeCommandLineAPI, bool returnByValue, bool generatePreview, RefPtr<RemoteObject>* result, TypeBuilder::OptOutput<bool>* wasThrown)
83 {
84 ScriptFunctionCall function(injectedScriptObject(), "evaluateOnCallFrame");
85 function.appendArgument(callFrames);
86 function.appendArgument(asyncCallStacks);
87 function.appendArgument(callFrameId);
88 function.appendArgument(expression);
89 function.appendArgument(objectGroup);
90 function.appendArgument(includeCommandLineAPI);
91 function.appendArgument(returnByValue);
92 function.appendArgument(generatePreview);
93 makeEvalCall(errorString, function, result, wasThrown);
94 }
95
restartFrame(ErrorString * errorString,const ScriptValue & callFrames,const String & callFrameId,RefPtr<JSONObject> * result)96 void InjectedScript::restartFrame(ErrorString* errorString, const ScriptValue& callFrames, const String& callFrameId, RefPtr<JSONObject>* result)
97 {
98 ScriptFunctionCall function(injectedScriptObject(), "restartFrame");
99 function.appendArgument(callFrames);
100 function.appendArgument(callFrameId);
101 RefPtr<JSONValue> resultValue;
102 makeCall(function, &resultValue);
103 if (resultValue) {
104 if (resultValue->type() == JSONValue::TypeString) {
105 resultValue->asString(errorString);
106 return;
107 }
108 if (resultValue->type() == JSONValue::TypeObject) {
109 *result = resultValue->asObject();
110 return;
111 }
112 }
113 *errorString = "Internal error";
114 }
115
getStepInPositions(ErrorString * errorString,const ScriptValue & callFrames,const String & callFrameId,RefPtr<Array<TypeBuilder::Debugger::Location>> & positions)116 void InjectedScript::getStepInPositions(ErrorString* errorString, const ScriptValue& callFrames, const String& callFrameId, RefPtr<Array<TypeBuilder::Debugger::Location> >& positions)
117 {
118 ScriptFunctionCall function(injectedScriptObject(), "getStepInPositions");
119 function.appendArgument(callFrames);
120 function.appendArgument(callFrameId);
121 RefPtr<JSONValue> resultValue;
122 makeCall(function, &resultValue);
123 if (resultValue) {
124 if (resultValue->type() == JSONValue::TypeString) {
125 resultValue->asString(errorString);
126 return;
127 }
128 if (resultValue->type() == JSONValue::TypeArray) {
129 positions = Array<TypeBuilder::Debugger::Location>::runtimeCast(resultValue);
130 return;
131 }
132 }
133 *errorString = "Internal error";
134 }
135
setVariableValue(ErrorString * errorString,const ScriptValue & callFrames,const String * callFrameIdOpt,const String * functionObjectIdOpt,int scopeNumber,const String & variableName,const String & newValueStr)136 void InjectedScript::setVariableValue(ErrorString* errorString, const ScriptValue& callFrames, const String* callFrameIdOpt, const String* functionObjectIdOpt, int scopeNumber, const String& variableName, const String& newValueStr)
137 {
138 ScriptFunctionCall function(injectedScriptObject(), "setVariableValue");
139 if (callFrameIdOpt) {
140 function.appendArgument(callFrames);
141 function.appendArgument(*callFrameIdOpt);
142 } else {
143 function.appendArgument(false);
144 function.appendArgument(false);
145 }
146 if (functionObjectIdOpt)
147 function.appendArgument(*functionObjectIdOpt);
148 else
149 function.appendArgument(false);
150 function.appendArgument(scopeNumber);
151 function.appendArgument(variableName);
152 function.appendArgument(newValueStr);
153 RefPtr<JSONValue> resultValue;
154 makeCall(function, &resultValue);
155 if (!resultValue) {
156 *errorString = "Internal error";
157 return;
158 }
159 if (resultValue->type() == JSONValue::TypeString) {
160 resultValue->asString(errorString);
161 return;
162 }
163 // Normal return.
164 }
165
getFunctionDetails(ErrorString * errorString,const String & functionId,RefPtr<FunctionDetails> * result)166 void InjectedScript::getFunctionDetails(ErrorString* errorString, const String& functionId, RefPtr<FunctionDetails>* result)
167 {
168 ScriptFunctionCall function(injectedScriptObject(), "getFunctionDetails");
169 function.appendArgument(functionId);
170 RefPtr<JSONValue> resultValue;
171 makeCall(function, &resultValue);
172 if (!resultValue || resultValue->type() != JSONValue::TypeObject) {
173 if (!resultValue->asString(errorString))
174 *errorString = "Internal error";
175 return;
176 }
177 *result = FunctionDetails::runtimeCast(resultValue);
178 }
179
getProperties(ErrorString * errorString,const String & objectId,bool ownProperties,bool accessorPropertiesOnly,RefPtr<Array<PropertyDescriptor>> * properties)180 void InjectedScript::getProperties(ErrorString* errorString, const String& objectId, bool ownProperties, bool accessorPropertiesOnly, RefPtr<Array<PropertyDescriptor> >* properties)
181 {
182 ScriptFunctionCall function(injectedScriptObject(), "getProperties");
183 function.appendArgument(objectId);
184 function.appendArgument(ownProperties);
185 function.appendArgument(accessorPropertiesOnly);
186
187 RefPtr<JSONValue> result;
188 makeCall(function, &result);
189 if (!result || result->type() != JSONValue::TypeArray) {
190 *errorString = "Internal error";
191 return;
192 }
193 *properties = Array<PropertyDescriptor>::runtimeCast(result);
194 }
195
getInternalProperties(ErrorString * errorString,const String & objectId,RefPtr<Array<InternalPropertyDescriptor>> * properties)196 void InjectedScript::getInternalProperties(ErrorString* errorString, const String& objectId, RefPtr<Array<InternalPropertyDescriptor> >* properties)
197 {
198 ScriptFunctionCall function(injectedScriptObject(), "getInternalProperties");
199 function.appendArgument(objectId);
200
201 RefPtr<JSONValue> result;
202 makeCall(function, &result);
203 if (!result || result->type() != JSONValue::TypeArray) {
204 *errorString = "Internal error";
205 return;
206 }
207 RefPtr<Array<InternalPropertyDescriptor> > array = Array<InternalPropertyDescriptor>::runtimeCast(result);
208 if (array->length() > 0)
209 *properties = array;
210 }
211
nodeForObjectId(const String & objectId)212 Node* InjectedScript::nodeForObjectId(const String& objectId)
213 {
214 if (isEmpty() || !canAccessInspectedWindow())
215 return 0;
216
217 ScriptFunctionCall function(injectedScriptObject(), "nodeForObjectId");
218 function.appendArgument(objectId);
219
220 bool hadException = false;
221 ScriptValue resultValue = callFunctionWithEvalEnabled(function, hadException);
222 ASSERT(!hadException);
223
224 return InjectedScriptHost::scriptValueAsNode(scriptState(), resultValue);
225 }
226
releaseObject(const String & objectId)227 void InjectedScript::releaseObject(const String& objectId)
228 {
229 ScriptFunctionCall function(injectedScriptObject(), "releaseObject");
230 function.appendArgument(objectId);
231 RefPtr<JSONValue> result;
232 makeCall(function, &result);
233 }
234
wrapCallFrames(const ScriptValue & callFrames,int asyncOrdinal)235 PassRefPtr<Array<CallFrame> > InjectedScript::wrapCallFrames(const ScriptValue& callFrames, int asyncOrdinal)
236 {
237 ASSERT(!isEmpty());
238 ScriptFunctionCall function(injectedScriptObject(), "wrapCallFrames");
239 function.appendArgument(callFrames);
240 function.appendArgument(asyncOrdinal);
241 bool hadException = false;
242 ScriptValue callFramesValue = callFunctionWithEvalEnabled(function, hadException);
243 ASSERT(!hadException);
244 RefPtr<JSONValue> result = callFramesValue.toJSONValue(scriptState());
245 if (result && result->type() == JSONValue::TypeArray)
246 return Array<CallFrame>::runtimeCast(result);
247 return Array<CallFrame>::create();
248 }
249
wrapObject(const ScriptValue & value,const String & groupName,bool generatePreview) const250 PassRefPtr<TypeBuilder::Runtime::RemoteObject> InjectedScript::wrapObject(const ScriptValue& value, const String& groupName, bool generatePreview) const
251 {
252 ASSERT(!isEmpty());
253 ScriptFunctionCall wrapFunction(injectedScriptObject(), "wrapObject");
254 wrapFunction.appendArgument(value);
255 wrapFunction.appendArgument(groupName);
256 wrapFunction.appendArgument(canAccessInspectedWindow());
257 wrapFunction.appendArgument(generatePreview);
258 bool hadException = false;
259 ScriptValue r = callFunctionWithEvalEnabled(wrapFunction, hadException);
260 if (hadException)
261 return nullptr;
262 RefPtr<JSONObject> rawResult = r.toJSONValue(scriptState())->asObject();
263 return TypeBuilder::Runtime::RemoteObject::runtimeCast(rawResult);
264 }
265
wrapTable(const ScriptValue & table,const ScriptValue & columns) const266 PassRefPtr<TypeBuilder::Runtime::RemoteObject> InjectedScript::wrapTable(const ScriptValue& table, const ScriptValue& columns) const
267 {
268 ASSERT(!isEmpty());
269 ScriptFunctionCall wrapFunction(injectedScriptObject(), "wrapTable");
270 wrapFunction.appendArgument(canAccessInspectedWindow());
271 wrapFunction.appendArgument(table);
272 if (columns.isEmpty())
273 wrapFunction.appendArgument(false);
274 else
275 wrapFunction.appendArgument(columns);
276 bool hadException = false;
277 ScriptValue r = callFunctionWithEvalEnabled(wrapFunction, hadException);
278 if (hadException)
279 return nullptr;
280 RefPtr<JSONObject> rawResult = r.toJSONValue(scriptState())->asObject();
281 return TypeBuilder::Runtime::RemoteObject::runtimeCast(rawResult);
282 }
283
wrapNode(Node * node,const String & groupName)284 PassRefPtr<TypeBuilder::Runtime::RemoteObject> InjectedScript::wrapNode(Node* node, const String& groupName)
285 {
286 return wrapObject(nodeAsScriptValue(node), groupName);
287 }
288
findObjectById(const String & objectId) const289 ScriptValue InjectedScript::findObjectById(const String& objectId) const
290 {
291 ASSERT(!isEmpty());
292 ScriptFunctionCall function(injectedScriptObject(), "findObjectById");
293 function.appendArgument(objectId);
294
295 bool hadException = false;
296 ScriptValue resultValue = callFunctionWithEvalEnabled(function, hadException);
297 ASSERT(!hadException);
298 return resultValue;
299 }
300
inspectNode(Node * node)301 void InjectedScript::inspectNode(Node* node)
302 {
303 ASSERT(!isEmpty());
304 ScriptFunctionCall function(injectedScriptObject(), "inspectNode");
305 function.appendArgument(nodeAsScriptValue(node));
306 RefPtr<JSONValue> result;
307 makeCall(function, &result);
308 }
309
releaseObjectGroup(const String & objectGroup)310 void InjectedScript::releaseObjectGroup(const String& objectGroup)
311 {
312 ASSERT(!isEmpty());
313 ScriptFunctionCall releaseFunction(injectedScriptObject(), "releaseObjectGroup");
314 releaseFunction.appendArgument(objectGroup);
315 bool hadException = false;
316 callFunctionWithEvalEnabled(releaseFunction, hadException);
317 ASSERT(!hadException);
318 }
319
nodeAsScriptValue(Node * node)320 ScriptValue InjectedScript::nodeAsScriptValue(Node* node)
321 {
322 return InjectedScriptHost::nodeAsScriptValue(scriptState(), node);
323 }
324
325 } // namespace WebCore
326
327