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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/conflicts/conflicts_data_fetcher.h"
#include <string>
#include <string_view>
#include <utility>
#include "base/strings/string_util.h"
#include "chrome/browser/win/conflicts/module_database.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
namespace {
// Converts the process_types bit field to a simple string representation where
// each process type is represented by a letter. E.g. B for browser process.
// Full process names are not used in order to save horizontal space in the
// conflicts UI.
std::string GetProcessTypesString(const ModuleInfoData& module_data) {
uint32_t process_types = module_data.process_types;
if (!process_types) {
return "None";
}
std::string result;
if (process_types & ProcessTypeToBit(content::PROCESS_TYPE_BROWSER)) {
result.append("B");
}
if (process_types & ProcessTypeToBit(content::PROCESS_TYPE_RENDERER)) {
result.append("R");
}
// TODO(pmonette): Add additional process types as more get supported.
return result;
}
} // namespace
ConflictsDataFetcher::~ConflictsDataFetcher() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (module_list_.has_value()) {
ModuleDatabase::GetInstance()->RemoveObserver(this);
}
}
// static
ConflictsDataFetcher::UniquePtr ConflictsDataFetcher::Create(
OnConflictsDataFetchedCallback on_conflicts_data_fetched_callback) {
return std::unique_ptr<ConflictsDataFetcher, base::OnTaskRunnerDeleter>(
new ConflictsDataFetcher(std::move(on_conflicts_data_fetched_callback)),
base::OnTaskRunnerDeleter(ModuleDatabase::GetTaskRunner()));
}
ConflictsDataFetcher::ConflictsDataFetcher(
OnConflictsDataFetchedCallback on_conflicts_data_fetched_callback)
: on_conflicts_data_fetched_callback_(
std::move(on_conflicts_data_fetched_callback)) {
DETACH_FROM_SEQUENCE(sequence_checker_);
ModuleDatabase::GetTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(
&ConflictsDataFetcher::InitializeOnModuleDatabaseTaskRunner,
base::Unretained(this)));
}
void ConflictsDataFetcher::InitializeOnModuleDatabaseTaskRunner() {
GetListOfModules();
}
void ConflictsDataFetcher::GetListOfModules() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// The request is handled asynchronously, filling up the |module_list_|,
// and will callback via OnModuleDatabaseIdle() on completion.
module_list_ = base::Value::List();
auto* module_database = ModuleDatabase::GetInstance();
module_database->StartInspection();
module_database->AddObserver(this);
}
void ConflictsDataFetcher::OnNewModuleFound(const ModuleInfoKey& module_key,
const ModuleInfoData& module_data) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(module_list_);
base::Value::Dict data;
std::string type_string;
if (module_data.module_properties & ModuleInfoData::kPropertyShellExtension) {
type_string = "Shell extension";
}
data.Set("type_description", type_string);
const auto& inspection_result = *module_data.inspection_result;
data.Set("location", inspection_result.location);
data.Set("name", inspection_result.basename);
data.Set("product_name", inspection_result.product_name);
data.Set("description", inspection_result.description);
data.Set("version", inspection_result.version);
data.Set("digital_signer", inspection_result.certificate_info.subject);
data.Set("code_id", GenerateCodeId(module_key));
data.Set("process_types", GetProcessTypesString(module_data));
module_list_->Append(std::move(data));
}
void ConflictsDataFetcher::OnModuleDatabaseIdle() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(module_list_);
ModuleDatabase::GetInstance()->RemoveObserver(this);
base::Value::Dict results;
results.Set("moduleCount", static_cast<int>(module_list_->size()));
results.Set("moduleList", std::move(*module_list_));
module_list_ = std::nullopt;
// The third-party features are always disabled on Chromium builds.
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(std::move(on_conflicts_data_fetched_callback_),
std::move(results)));
}
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