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1 /* | 1 /* |
2 * Copyright (C) 2008, 2009, 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2008, 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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26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "bindings/core/v8/LocalWindowProxy.h" | 31 #include "bindings/core/v8/LocalWindowProxy.h" |
32 | 32 |
33 #include "bindings/core/v8/ScriptController.h" | 33 #include "bindings/core/v8/ScriptController.h" |
34 #include "bindings/core/v8/ToV8ForCore.h" | 34 #include "bindings/core/v8/ToV8ForCore.h" |
35 #include "bindings/core/v8/V8BindingForCore.h" | 35 #include "bindings/core/v8/V8BindingForCore.h" |
| 36 #include "bindings/core/v8/V8ContextSnapshot.h" |
36 #include "bindings/core/v8/V8DOMActivityLogger.h" | 37 #include "bindings/core/v8/V8DOMActivityLogger.h" |
37 #include "bindings/core/v8/V8GCForContextDispose.h" | 38 #include "bindings/core/v8/V8GCForContextDispose.h" |
38 #include "bindings/core/v8/V8HTMLDocument.h" | 39 #include "bindings/core/v8/V8HTMLDocument.h" |
39 #include "bindings/core/v8/V8Initializer.h" | 40 #include "bindings/core/v8/V8Initializer.h" |
40 #include "bindings/core/v8/V8PagePopupControllerBinding.h" | 41 #include "bindings/core/v8/V8PagePopupControllerBinding.h" |
41 #include "bindings/core/v8/V8Window.h" | 42 #include "bindings/core/v8/V8Window.h" |
42 #include "core/dom/Modulator.h" | 43 #include "core/dom/Modulator.h" |
43 #include "core/frame/LocalFrame.h" | 44 #include "core/frame/LocalFrame.h" |
44 #include "core/frame/LocalFrameClient.h" | 45 #include "core/frame/LocalFrameClient.h" |
45 #include "core/frame/csp/ContentSecurityPolicy.h" | 46 #include "core/frame/csp/ContentSecurityPolicy.h" |
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107 // The context's frame is detached from the DOM, so there shouldn't be a | 108 // The context's frame is detached from the DOM, so there shouldn't be a |
108 // strong reference to the context. | 109 // strong reference to the context. |
109 global_proxy_.SetPhantom(); | 110 global_proxy_.SetPhantom(); |
110 } | 111 } |
111 | 112 |
112 DCHECK_EQ(lifecycle_, Lifecycle::kContextIsInitialized); | 113 DCHECK_EQ(lifecycle_, Lifecycle::kContextIsInitialized); |
113 lifecycle_ = next_status; | 114 lifecycle_ = next_status; |
114 } | 115 } |
115 | 116 |
116 void LocalWindowProxy::Initialize() { | 117 void LocalWindowProxy::Initialize() { |
117 TRACE_EVENT1("v8", "LocalWindowProxy::initialize", "isMainWindow", | 118 TRACE_EVENT1("v8", "LocalWindowProxy::Initialize", "IsMainFrame", |
118 GetFrame()->IsMainFrame()); | 119 GetFrame()->IsMainFrame()); |
119 SCOPED_BLINK_UMA_HISTOGRAM_TIMER( | 120 SCOPED_BLINK_UMA_HISTOGRAM_TIMER( |
120 GetFrame()->IsMainFrame() | 121 GetFrame()->IsMainFrame() |
121 ? "Blink.Binding.InitializeMainLocalWindowProxy" | 122 ? "Blink.Binding.InitializeMainLocalWindowProxy" |
122 : "Blink.Binding.InitializeNonMainLocalWindowProxy"); | 123 : "Blink.Binding.InitializeNonMainLocalWindowProxy"); |
123 | 124 |
124 ScriptForbiddenScope::AllowUserAgentScript allow_script; | 125 ScriptForbiddenScope::AllowUserAgentScript allow_script; |
125 | 126 |
126 v8::HandleScope handle_scope(GetIsolate()); | 127 v8::HandleScope handle_scope(GetIsolate()); |
127 | 128 |
128 CreateContext(); | 129 CreateContext(); |
129 | 130 |
130 ScriptState::Scope scope(script_state_.Get()); | 131 ScriptState::Scope scope(script_state_.Get()); |
131 v8::Local<v8::Context> context = script_state_->GetContext(); | 132 v8::Local<v8::Context> context = script_state_->GetContext(); |
132 if (global_proxy_.IsEmpty()) { | 133 if (global_proxy_.IsEmpty()) { |
133 global_proxy_.Set(GetIsolate(), context->Global()); | 134 global_proxy_.Set(GetIsolate(), context->Global()); |
134 CHECK(!global_proxy_.IsEmpty()); | 135 CHECK(!global_proxy_.IsEmpty()); |
135 } | 136 } |
136 | 137 |
137 SetupWindowPrototypeChain(); | 138 SetupWindowPrototypeChain(); |
| 139 V8ContextSnapshot::InstallRuntimeEnabledFeatures(context, |
| 140 GetFrame()->GetDocument()); |
138 | 141 |
139 SecurityOrigin* origin = 0; | 142 SecurityOrigin* origin = 0; |
140 if (world_->IsMainWorld()) { | 143 if (world_->IsMainWorld()) { |
141 // ActivityLogger for main world is updated within updateDocumentInternal(). | 144 // ActivityLogger for main world is updated within updateDocumentInternal(). |
142 UpdateDocumentInternal(); | 145 UpdateDocumentInternal(); |
143 origin = GetFrame()->GetDocument()->GetSecurityOrigin(); | 146 origin = GetFrame()->GetDocument()->GetSecurityOrigin(); |
144 // FIXME: Can this be removed when CSP moves to browser? | 147 // FIXME: Can this be removed when CSP moves to browser? |
145 ContentSecurityPolicy* csp = | 148 ContentSecurityPolicy* csp = |
146 GetFrame()->GetDocument()->GetContentSecurityPolicy(); | 149 GetFrame()->GetDocument()->GetContentSecurityPolicy(); |
147 context->AllowCodeGenerationFromStrings(csp->AllowEval( | 150 context->AllowCodeGenerationFromStrings(csp->AllowEval( |
148 0, SecurityViolationReportingPolicy::kSuppressReporting, | 151 0, SecurityViolationReportingPolicy::kSuppressReporting, |
149 ContentSecurityPolicy::kWillNotThrowException, g_empty_string)); | 152 ContentSecurityPolicy::kWillNotThrowException, g_empty_string)); |
150 context->SetErrorMessageForCodeGenerationFromStrings( | 153 context->SetErrorMessageForCodeGenerationFromStrings( |
151 V8String(GetIsolate(), csp->EvalDisabledErrorMessage())); | 154 V8String(GetIsolate(), csp->EvalDisabledErrorMessage())); |
152 } else { | 155 } else { |
153 UpdateActivityLogger(); | 156 UpdateActivityLogger(); |
154 origin = world_->IsolatedWorldSecurityOrigin(); | 157 origin = world_->IsolatedWorldSecurityOrigin(); |
155 SetSecurityToken(origin); | 158 SetSecurityToken(origin); |
156 } | 159 } |
157 | 160 |
158 MainThreadDebugger::Instance()->ContextCreated(script_state_.Get(), | 161 { |
159 GetFrame(), origin); | 162 TRACE_EVENT1("v8", "ContextCreatedNotification", "IsMainFrame", |
160 GetFrame()->Client()->DidCreateScriptContext(context, world_->GetWorldId()); | 163 GetFrame()->IsMainFrame()); |
| 164 MainThreadDebugger::Instance()->ContextCreated(script_state_.Get(), |
| 165 GetFrame(), origin); |
| 166 GetFrame()->Client()->DidCreateScriptContext(context, world_->GetWorldId()); |
161 | 167 |
162 InstallConditionalFeaturesOnGlobal(&V8Window::wrapperTypeInfo, | 168 InstallConditionalFeaturesOnGlobal(&V8Window::wrapperTypeInfo, |
163 script_state_.Get()); | 169 script_state_.Get()); |
164 | 170 |
165 if (world_->IsMainWorld()) { | 171 if (world_->IsMainWorld()) { |
166 // For the main world, install any remaining conditional bindings (i.e. for | 172 // For the main world, install any remaining conditional bindings (i.e. |
167 // origin trials, which do not apply to extensions). Some conditional | 173 // for origin trials, which do not apply to extensions). Some conditional |
168 // bindings cannot be enabled until the execution context is available | 174 // bindings cannot be enabled until the execution context is available |
169 // (e.g. parsing the document, inspecting HTTP headers). | 175 // (e.g. parsing the document, inspecting HTTP headers). |
170 InstallConditionalFeatures(&V8Window::wrapperTypeInfo, script_state_.Get(), | 176 InstallConditionalFeatures(&V8Window::wrapperTypeInfo, |
171 v8::Local<v8::Object>(), | 177 script_state_.Get(), v8::Local<v8::Object>(), |
172 v8::Local<v8::Function>()); | 178 v8::Local<v8::Function>()); |
173 GetFrame()->Loader().DispatchDidClearWindowObjectInMainWorld(); | 179 GetFrame()->Loader().DispatchDidClearWindowObjectInMainWorld(); |
| 180 } |
174 } | 181 } |
175 } | 182 } |
176 | 183 |
177 void LocalWindowProxy::CreateContext() { | 184 void LocalWindowProxy::CreateContext() { |
178 // Create a new v8::Context with the window object as the global object | 185 TRACE_EVENT1("v8", "LocalWindowProxy::CreateContext", "IsMainFrame", |
179 // (aka the inner global). Reuse the outer global proxy if it already exists. | 186 GetFrame()->IsMainFrame()); |
180 v8::Local<v8::ObjectTemplate> global_template = | |
181 V8Window::domTemplate(GetIsolate(), *world_)->InstanceTemplate(); | |
182 CHECK(!global_template.IsEmpty()); | |
183 | 187 |
184 Vector<const char*> extension_names; | 188 Vector<const char*> extension_names; |
185 // Dynamically tell v8 about our extensions now. | 189 // Dynamically tell v8 about our extensions now. |
186 if (GetFrame()->Client()->AllowScriptExtensions()) { | 190 if (GetFrame()->Client()->AllowScriptExtensions()) { |
187 const V8Extensions& extensions = ScriptController::RegisteredExtensions(); | 191 const V8Extensions& extensions = ScriptController::RegisteredExtensions(); |
188 extension_names.ReserveInitialCapacity(extensions.size()); | 192 extension_names.ReserveInitialCapacity(extensions.size()); |
189 for (const auto* extension : extensions) | 193 for (const auto* extension : extensions) |
190 extension_names.push_back(extension->name()); | 194 extension_names.push_back(extension->name()); |
191 } | 195 } |
192 v8::ExtensionConfiguration extension_configuration(extension_names.size(), | 196 v8::ExtensionConfiguration extension_configuration(extension_names.size(), |
193 extension_names.data()); | 197 extension_names.data()); |
194 | 198 |
195 v8::Local<v8::Context> context; | 199 v8::Local<v8::Context> context; |
196 { | 200 { |
| 201 v8::Isolate* isolate = GetIsolate(); |
| 202 Document* document = GetFrame()->GetDocument(); |
197 V8PerIsolateData::UseCounterDisabledScope use_counter_disabled( | 203 V8PerIsolateData::UseCounterDisabledScope use_counter_disabled( |
198 V8PerIsolateData::From(GetIsolate())); | 204 V8PerIsolateData::From(isolate)); |
199 context = | 205 |
200 v8::Context::New(GetIsolate(), &extension_configuration, | 206 v8::Local<v8::Object> global_proxy = global_proxy_.NewLocal(isolate); |
201 global_template, global_proxy_.NewLocal(GetIsolate())); | 207 context = V8ContextSnapshot::CreateContextFromSnapshot( |
| 208 isolate, World(), &extension_configuration, global_proxy, document); |
| 209 |
| 210 // Even if we enable V8 context snapshot feature, we may hit this branch |
| 211 // in some cases, e.g. loading XML files. |
| 212 if (context.IsEmpty()) { |
| 213 v8::Local<v8::ObjectTemplate> global_template = |
| 214 V8Window::domTemplate(isolate, *world_)->InstanceTemplate(); |
| 215 CHECK(!global_template.IsEmpty()); |
| 216 context = v8::Context::New(isolate, &extension_configuration, |
| 217 global_template, global_proxy); |
| 218 VLOG(1) << "A context is created NOT from snapshot"; |
| 219 } |
202 } | 220 } |
203 CHECK(!context.IsEmpty()); | 221 CHECK(!context.IsEmpty()); |
204 | 222 |
205 #if DCHECK_IS_ON() | 223 #if DCHECK_IS_ON() |
206 DidAttachGlobalObject(); | 224 DidAttachGlobalObject(); |
207 #endif | 225 #endif |
208 | 226 |
209 script_state_ = ScriptState::Create(context, world_); | 227 script_state_ = ScriptState::Create(context, world_); |
210 | 228 |
211 DCHECK(lifecycle_ == Lifecycle::kContextIsUninitialized || | 229 DCHECK(lifecycle_ == Lifecycle::kContextIsUninitialized || |
212 lifecycle_ == Lifecycle::kGlobalObjectIsDetached); | 230 lifecycle_ == Lifecycle::kGlobalObjectIsDetached); |
213 lifecycle_ = Lifecycle::kContextIsInitialized; | 231 lifecycle_ = Lifecycle::kContextIsInitialized; |
214 DCHECK(script_state_->ContextIsValid()); | 232 DCHECK(script_state_->ContextIsValid()); |
215 } | 233 } |
216 | 234 |
217 void LocalWindowProxy::SetupWindowPrototypeChain() { | 235 void LocalWindowProxy::SetupWindowPrototypeChain() { |
| 236 TRACE_EVENT1("v8", "LocalWindowProxy::SetupWindowPrototypeChain", |
| 237 "IsMainFrame", GetFrame()->IsMainFrame()); |
| 238 |
218 // Associate the window wrapper object and its prototype chain with the | 239 // Associate the window wrapper object and its prototype chain with the |
219 // corresponding native DOMWindow object. | 240 // corresponding native DOMWindow object. |
220 DOMWindow* window = GetFrame()->DomWindow(); | 241 DOMWindow* window = GetFrame()->DomWindow(); |
221 const WrapperTypeInfo* wrapper_type_info = window->GetWrapperTypeInfo(); | 242 const WrapperTypeInfo* wrapper_type_info = window->GetWrapperTypeInfo(); |
222 v8::Local<v8::Context> context = script_state_->GetContext(); | 243 v8::Local<v8::Context> context = script_state_->GetContext(); |
223 | 244 |
224 // The global proxy object. Note this is not the global object. | 245 // The global proxy object. Note this is not the global object. |
225 v8::Local<v8::Object> global_proxy = context->Global(); | 246 v8::Local<v8::Object> global_proxy = context->Global(); |
226 CHECK(global_proxy_ == global_proxy); | 247 CHECK(global_proxy_ == global_proxy); |
227 V8DOMWrapper::SetNativeInfo(GetIsolate(), global_proxy, wrapper_type_info, | 248 V8DOMWrapper::SetNativeInfo(GetIsolate(), global_proxy, wrapper_type_info, |
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252 wrapper_type_info, window); | 273 wrapper_type_info, window); |
253 | 274 |
254 // TODO(keishi): Remove installPagePopupController and implement | 275 // TODO(keishi): Remove installPagePopupController and implement |
255 // PagePopupController in another way. | 276 // PagePopupController in another way. |
256 V8PagePopupControllerBinding::InstallPagePopupController(context, | 277 V8PagePopupControllerBinding::InstallPagePopupController(context, |
257 window_wrapper); | 278 window_wrapper); |
258 } | 279 } |
259 | 280 |
260 void LocalWindowProxy::UpdateDocumentProperty() { | 281 void LocalWindowProxy::UpdateDocumentProperty() { |
261 DCHECK(world_->IsMainWorld()); | 282 DCHECK(world_->IsMainWorld()); |
| 283 TRACE_EVENT1("v8", "LocalWindowProxy::UpdateDocumentProperty", "IsMainFrame", |
| 284 GetFrame()->IsMainFrame()); |
262 | 285 |
263 ScriptState::Scope scope(script_state_.Get()); | 286 ScriptState::Scope scope(script_state_.Get()); |
264 v8::Local<v8::Context> context = script_state_->GetContext(); | 287 v8::Local<v8::Context> context = script_state_->GetContext(); |
265 v8::Local<v8::Value> document_wrapper = | 288 v8::Local<v8::Value> document_wrapper = |
266 ToV8(GetFrame()->GetDocument(), context->Global(), GetIsolate()); | 289 ToV8(GetFrame()->GetDocument(), context->Global(), GetIsolate()); |
267 DCHECK(document_wrapper->IsObject()); | 290 DCHECK(document_wrapper->IsObject()); |
| 291 |
268 // Update the cached accessor for window.document. | 292 // Update the cached accessor for window.document. |
269 CHECK(V8PrivateProperty::GetWindowDocumentCachedAccessor(GetIsolate()) | 293 CHECK(V8PrivateProperty::GetWindowDocumentCachedAccessor(GetIsolate()) |
270 .Set(context->Global(), document_wrapper)); | 294 .Set(context->Global(), document_wrapper)); |
271 } | 295 } |
272 | 296 |
273 void LocalWindowProxy::UpdateActivityLogger() { | 297 void LocalWindowProxy::UpdateActivityLogger() { |
274 script_state_->PerContextData()->SetActivityLogger( | 298 script_state_->PerContextData()->SetActivityLogger( |
275 V8DOMActivityLogger::ActivityLogger( | 299 V8DOMActivityLogger::ActivityLogger( |
276 world_->GetWorldId(), GetFrame()->GetDocument() | 300 world_->GetWorldId(), GetFrame()->GetDocument() |
277 ? GetFrame()->GetDocument()->baseURI() | 301 ? GetFrame()->GetDocument()->baseURI() |
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319 context->UseDefaultSecurityToken(); | 343 context->UseDefaultSecurityToken(); |
320 return; | 344 return; |
321 } | 345 } |
322 | 346 |
323 if (world_->IsIsolatedWorld()) { | 347 if (world_->IsIsolatedWorld()) { |
324 SecurityOrigin* frame_security_origin = | 348 SecurityOrigin* frame_security_origin = |
325 GetFrame()->GetDocument()->GetSecurityOrigin(); | 349 GetFrame()->GetDocument()->GetSecurityOrigin(); |
326 String frame_security_token = frame_security_origin->ToString(); | 350 String frame_security_token = frame_security_origin->ToString(); |
327 // We need to check the return value of domainWasSetInDOM() on the | 351 // We need to check the return value of domainWasSetInDOM() on the |
328 // frame's SecurityOrigin because, if that's the case, only | 352 // frame's SecurityOrigin because, if that's the case, only |
329 // SecurityOrigin::m_domain would have been modified. | 353 // SecurityOrigin::domain_ would have been modified. |
330 // m_domain is not used by SecurityOrigin::toString(), so we would end | 354 // domain_ is not used by SecurityOrigin::toString(), so we would end |
331 // up generating the same token that was already set. | 355 // up generating the same token that was already set. |
332 if (frame_security_origin->DomainWasSetInDOM() || | 356 if (frame_security_origin->DomainWasSetInDOM() || |
333 frame_security_token.IsEmpty() || frame_security_token == "null") { | 357 frame_security_token.IsEmpty() || frame_security_token == "null") { |
334 context->UseDefaultSecurityToken(); | 358 context->UseDefaultSecurityToken(); |
335 return; | 359 return; |
336 } | 360 } |
337 token = frame_security_token + token; | 361 token = frame_security_token + token; |
338 } | 362 } |
339 | 363 |
340 // NOTE: V8 does identity comparison in fast path, must use a symbol | 364 // NOTE: V8 does identity comparison in fast path, must use a symbol |
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470 | 494 |
471 SetSecurityToken(origin); | 495 SetSecurityToken(origin); |
472 } | 496 } |
473 | 497 |
474 LocalWindowProxy::LocalWindowProxy(v8::Isolate* isolate, | 498 LocalWindowProxy::LocalWindowProxy(v8::Isolate* isolate, |
475 LocalFrame& frame, | 499 LocalFrame& frame, |
476 RefPtr<DOMWrapperWorld> world) | 500 RefPtr<DOMWrapperWorld> world) |
477 : WindowProxy(isolate, frame, std::move(world)) {} | 501 : WindowProxy(isolate, frame, std::move(world)) {} |
478 | 502 |
479 } // namespace blink | 503 } // namespace blink |
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