| Index: extensions/renderer/activity_log_converter_strategy.cc
|
| diff --git a/extensions/renderer/activity_log_converter_strategy.cc b/extensions/renderer/activity_log_converter_strategy.cc
|
| index 96d65ca833a7ede4913635456a4dbb2cc8e4cc98..812b278df4b1c369ab71c28c1468ed56e3e45d88 100644
|
| --- a/extensions/renderer/activity_log_converter_strategy.cc
|
| +++ b/extensions/renderer/activity_log_converter_strategy.cc
|
| @@ -6,115 +6,12 @@
|
|
|
| #include "base/logging.h"
|
| #include "base/values.h"
|
| -#include "extensions/common/ad_injection_constants.h"
|
| #include "v8/include/v8.h"
|
|
|
| namespace extensions {
|
|
|
| namespace {
|
|
|
| -typedef ActivityLogConverterStrategy::FromV8ValueCallback FromV8ValueCallback;
|
| -
|
| -namespace constants = ad_injection_constants;
|
| -namespace keys = constants::keys;
|
| -
|
| -const char kFirstChildProperty[] = "firstElementChild";
|
| -const char kNextElementSiblingProperty[] = "nextElementSibling";
|
| -
|
| -scoped_ptr<base::DictionaryValue> ParseV8Object(
|
| - v8::Isolate* isolate,
|
| - v8::Object* object,
|
| - const FromV8ValueCallback& callback);
|
| -
|
| -// Get a property from a V8 object without entering javascript. We use this
|
| -// in order to examine the objects, while ensuring that we don't cause any
|
| -// change in the running program.
|
| -v8::Local<v8::Value> SafeGetProperty(v8::Isolate* isolate,
|
| - v8::Object* object,
|
| - const char* key) {
|
| - v8::TryCatch try_catch;
|
| - v8::Isolate::DisallowJavascriptExecutionScope scope(
|
| - isolate, v8::Isolate::DisallowJavascriptExecutionScope::THROW_ON_FAILURE);
|
| - v8::Local<v8::String> key_string = v8::String::NewFromUtf8(isolate, key);
|
| - v8::Local<v8::Value> value = object->Get(key_string);
|
| - if (try_catch.HasCaught() || value.IsEmpty() || value->IsUndefined() ||
|
| - value->IsNull()) {
|
| - return v8::Local<v8::Value>();
|
| - }
|
| - return value;
|
| -}
|
| -
|
| -// Append a property to the given |dict| from the given |object| if the
|
| -// property exists on |object| and can be accessed safely (i.e., without
|
| -// triggering any javascript execution).
|
| -void MaybeAppendV8Property(v8::Isolate* isolate,
|
| - v8::Object* object,
|
| - const char* property_name,
|
| - base::DictionaryValue* dict,
|
| - const FromV8ValueCallback& callback) {
|
| - v8::Handle<v8::Value> value = SafeGetProperty(isolate, object, property_name);
|
| - if (!value.IsEmpty()) {
|
| - scoped_ptr<base::Value> parsed_value(callback.Run(value, isolate));
|
| - if (parsed_value.get())
|
| - dict->Set(property_name, parsed_value.release());
|
| - }
|
| -}
|
| -
|
| -// Parse the children of a V8 |object| and return them as a list. This will
|
| -// return an empty scoped_ptr if no children are present, or if the children
|
| -// cannot be read safely (without triggering javascript).
|
| -scoped_ptr<base::ListValue> MaybeParseV8Children(
|
| - v8::Isolate* isolate,
|
| - v8::Object* object,
|
| - const FromV8ValueCallback& callback) {
|
| - scoped_ptr<base::ListValue> parsed_children(new base::ListValue());
|
| - v8::Local<v8::Value> child_value =
|
| - SafeGetProperty(isolate, object, kFirstChildProperty);
|
| - size_t checked_children = 0u;
|
| - while (!child_value.IsEmpty() &&
|
| - child_value->IsObject() &&
|
| - checked_children < constants::kMaximumChildrenToCheck) {
|
| - ++checked_children;
|
| - v8::Handle<v8::Object> child_object = child_value->ToObject();
|
| - scoped_ptr<base::Value> parsed_child(
|
| - callback.Run(child_object, isolate));
|
| - if (parsed_child.get())
|
| - parsed_children->Append(parsed_child.release());
|
| - child_value =
|
| - SafeGetProperty(isolate, *child_object, kNextElementSiblingProperty);
|
| - }
|
| -
|
| - return parsed_children->GetSize() > 0 ? parsed_children.Pass()
|
| - : scoped_ptr<base::ListValue>();
|
| -}
|
| -
|
| -// Parse a V8 |object| into a DictionaryValue. This will examine the object
|
| -// for a few important properties, including:
|
| -// - href
|
| -// - src
|
| -// - children
|
| -// These properties are necessary to analyze whether or not the object contains
|
| -// ads, which may have been injected.
|
| -scoped_ptr<base::DictionaryValue> ParseV8Object(
|
| - v8::Isolate* isolate,
|
| - v8::Object* object,
|
| - const FromV8ValueCallback& callback) {
|
| - scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
|
| -
|
| - dict->SetString(keys::kType,
|
| - *v8::String::Utf8Value(object->GetConstructorName()));
|
| -
|
| - MaybeAppendV8Property(isolate, object, keys::kHref, dict.get(), callback);
|
| - MaybeAppendV8Property(isolate, object, keys::kSrc, dict.get(), callback);
|
| -
|
| - scoped_ptr<base::ListValue> maybe_children =
|
| - MaybeParseV8Children(isolate, object, callback);
|
| - if (maybe_children.get())
|
| - dict->Set(keys::kChildren, maybe_children.release());
|
| -
|
| - return dict.Pass();
|
| -}
|
| -
|
| // Summarize a V8 value. This performs a shallow conversion in all cases, and
|
| // returns only a string with a description of the value (e.g.,
|
| // "[HTMLElement]").
|
| @@ -150,8 +47,7 @@ scoped_ptr<base::Value> SummarizeV8Value(v8::Isolate* isolate,
|
|
|
| } // namespace
|
|
|
| -ActivityLogConverterStrategy::ActivityLogConverterStrategy()
|
| - : enable_detailed_parsing_(false) {}
|
| +ActivityLogConverterStrategy::ActivityLogConverterStrategy() {}
|
|
|
| ActivityLogConverterStrategy::~ActivityLogConverterStrategy() {}
|
|
|
| @@ -177,10 +73,7 @@ bool ActivityLogConverterStrategy::FromV8Internal(
|
| v8::Isolate* isolate,
|
| const FromV8ValueCallback& callback) const {
|
| scoped_ptr<base::Value> parsed_value;
|
| - if (enable_detailed_parsing_)
|
| - parsed_value = ParseV8Object(isolate, *value, callback);
|
| - if (!parsed_value.get())
|
| - parsed_value = SummarizeV8Value(isolate, value);
|
| + parsed_value = SummarizeV8Value(isolate, value);
|
| *out = parsed_value.release();
|
|
|
| return true;
|
|
|