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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "extensions/renderer/v8_schema_registry.h" | 5 #include "extensions/renderer/v8_schema_registry.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/values.h" | 12 #include "base/values.h" |
13 #include "content/public/child/v8_value_converter.h" | 13 #include "content/public/child/v8_value_converter.h" |
14 #include "extensions/common/extension_api.h" | 14 #include "extensions/common/extension_api.h" |
15 #include "extensions/renderer/object_backed_native_handler.h" | 15 #include "extensions/renderer/object_backed_native_handler.h" |
16 #include "extensions/renderer/script_context.h" | 16 #include "extensions/renderer/script_context.h" |
17 | 17 |
18 using content::V8ValueConverter; | 18 using content::V8ValueConverter; |
19 | 19 |
20 namespace extensions { | 20 namespace extensions { |
21 | 21 |
22 namespace { | 22 namespace { |
23 | 23 |
24 // Recursively freezes every v8 object on |object|. | |
25 void DeepFreeze(const v8::Local<v8::Object>& object, | |
26 const v8::Local<v8::Context>& context) { | |
robwu
2016/04/21 14:07:50
As explained at https://crbug.com/604901#c8, add s
Devlin
2016/04/21 22:07:36
Done.
This also has the happy side-effect of maki
| |
27 v8::Local<v8::Array> property_names = object->GetOwnPropertyNames(); | |
28 for (uint32_t i = 0; i < property_names->Length(); ++i) { | |
29 v8::Local<v8::Value> child = object->Get(property_names->Get(i)); | |
30 if (child->IsObject()) | |
31 DeepFreeze(v8::Local<v8::Object>::Cast(child), context); | |
32 } | |
33 object->SetIntegrityLevel(context, v8::IntegrityLevel::kFrozen); | |
34 } | |
35 | |
24 class SchemaRegistryNativeHandler : public ObjectBackedNativeHandler { | 36 class SchemaRegistryNativeHandler : public ObjectBackedNativeHandler { |
25 public: | 37 public: |
26 SchemaRegistryNativeHandler(V8SchemaRegistry* registry, | 38 SchemaRegistryNativeHandler(V8SchemaRegistry* registry, |
27 scoped_ptr<ScriptContext> context) | 39 scoped_ptr<ScriptContext> context) |
28 : ObjectBackedNativeHandler(context.get()), | 40 : ObjectBackedNativeHandler(context.get()), |
29 context_(std::move(context)), | 41 context_(std::move(context)), |
30 registry_(registry) { | 42 registry_(registry) { |
31 RouteFunction("GetSchema", | 43 RouteFunction("GetSchema", |
32 base::Bind(&SchemaRegistryNativeHandler::GetSchema, | 44 base::Bind(&SchemaRegistryNativeHandler::GetSchema, |
33 base::Unretained(this))); | 45 base::Unretained(this))); |
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
97 v8::Context::Scope context_scope(context); | 109 v8::Context::Scope context_scope(context); |
98 | 110 |
99 const base::DictionaryValue* schema = | 111 const base::DictionaryValue* schema = |
100 ExtensionAPI::GetSharedInstance()->GetSchema(api); | 112 ExtensionAPI::GetSharedInstance()->GetSchema(api); |
101 CHECK(schema) << api; | 113 CHECK(schema) << api; |
102 scoped_ptr<V8ValueConverter> v8_value_converter(V8ValueConverter::create()); | 114 scoped_ptr<V8ValueConverter> v8_value_converter(V8ValueConverter::create()); |
103 v8::Local<v8::Value> value = v8_value_converter->ToV8Value(schema, context); | 115 v8::Local<v8::Value> value = v8_value_converter->ToV8Value(schema, context); |
104 CHECK(!value.IsEmpty()); | 116 CHECK(!value.IsEmpty()); |
105 | 117 |
106 v8::Local<v8::Object> v8_schema(v8::Local<v8::Object>::Cast(value)); | 118 v8::Local<v8::Object> v8_schema(v8::Local<v8::Object>::Cast(value)); |
107 v8_schema->SetIntegrityLevel(context, v8::IntegrityLevel::kFrozen); | 119 DeepFreeze(v8_schema, context); |
108 schema_cache_->Set(api, v8_schema); | 120 schema_cache_->Set(api, v8_schema); |
109 | 121 |
110 return handle_scope.Escape(v8_schema); | 122 return handle_scope.Escape(v8_schema); |
111 } | 123 } |
112 | 124 |
113 v8::Local<v8::Context> V8SchemaRegistry::GetOrCreateContext( | 125 v8::Local<v8::Context> V8SchemaRegistry::GetOrCreateContext( |
114 v8::Isolate* isolate) { | 126 v8::Isolate* isolate) { |
115 // It's ok to create local handles in this function, since this is only called | 127 // It's ok to create local handles in this function, since this is only called |
116 // when we have a HandleScope. | 128 // when we have a HandleScope. |
117 if (!context_holder_) { | 129 if (!context_holder_) { |
118 context_holder_.reset(new gin::ContextHolder(isolate)); | 130 context_holder_.reset(new gin::ContextHolder(isolate)); |
119 context_holder_->SetContext(v8::Context::New(isolate)); | 131 context_holder_->SetContext(v8::Context::New(isolate)); |
120 schema_cache_.reset(new SchemaCache(isolate)); | 132 schema_cache_.reset(new SchemaCache(isolate)); |
121 return context_holder_->context(); | 133 return context_holder_->context(); |
122 } | 134 } |
123 return context_holder_->context(); | 135 return context_holder_->context(); |
124 } | 136 } |
125 | 137 |
126 } // namespace extensions | 138 } // namespace extensions |
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