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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/component_updater/configurator_impl.h"
#include <algorithm>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/containers/flat_map.h"
#include "base/enterprise_util.h"
#include "base/feature_list.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/version.h"
#include "build/build_config.h"
#include "components/component_updater/component_updater_switches.h"
#include "components/component_updater/component_updater_url_constants.h"
#include "components/update_client/command_line_config_policy.h"
#include "components/update_client/protocol_handler.h"
#include "components/update_client/utils.h"
#include "components/version_info/version_info.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "url/gurl.h"
#if BUILDFLAG(IS_WIN)
#include "base/win/win_util.h"
#endif
namespace component_updater {
namespace {
// Default time constants.
const int kDelayOneMinute = 60;
const int kDelayOneHour = kDelayOneMinute * 60;
} // namespace
ConfiguratorImpl::ConfiguratorImpl(
const update_client::CommandLineConfigPolicy& config_policy,
bool require_encryption)
: background_downloads_enabled_(config_policy.BackgroundDownloadsEnabled()),
deltas_enabled_(config_policy.DeltaUpdatesEnabled()),
fast_update_(config_policy.FastUpdate()),
pings_enabled_(config_policy.PingsEnabled()),
require_encryption_(require_encryption),
url_source_override_(config_policy.UrlSourceOverride()),
initial_delay_(config_policy.InitialDelay()) {
if (config_policy.TestRequest()) {
extra_info_["testrequest"] = "1";
extra_info_["testsource"] = "dev";
}
}
ConfiguratorImpl::~ConfiguratorImpl() = default;
double ConfiguratorImpl::InitialDelay() const {
if (initial_delay_)
return initial_delay_;
return fast_update_ ? 10 : kDelayOneMinute;
}
int ConfiguratorImpl::NextCheckDelay() const {
return 5 * kDelayOneHour;
}
int ConfiguratorImpl::OnDemandDelay() const {
return fast_update_ ? 2 : (30 * kDelayOneMinute);
}
int ConfiguratorImpl::UpdateDelay() const {
return fast_update_ ? 10 : (15 * kDelayOneMinute);
}
std::vector<GURL> ConfiguratorImpl::UpdateUrl() const {
if (url_source_override_.is_valid())
return {GURL(url_source_override_)};
std::vector<GURL> urls{GURL(kUpdaterJSONDefaultUrl),
GURL(kUpdaterJSONFallbackUrl)};
if (require_encryption_)
update_client::RemoveUnsecureUrls(&urls);
return urls;
}
std::vector<GURL> ConfiguratorImpl::PingUrl() const {
return pings_enabled_ ? UpdateUrl() : std::vector<GURL>();
}
const base::Version& ConfiguratorImpl::GetBrowserVersion() const {
return version_info::GetVersion();
}
std::string ConfiguratorImpl::GetOSLongName() const {
return version_info::GetOSType();
}
base::flat_map<std::string, std::string> ConfiguratorImpl::ExtraRequestParams()
const {
return extra_info_;
}
std::string ConfiguratorImpl::GetDownloadPreference() const {
return std::string();
}
bool ConfiguratorImpl::EnabledDeltas() const {
return deltas_enabled_;
}
bool ConfiguratorImpl::EnabledComponentUpdates() const {
return true;
}
bool ConfiguratorImpl::EnabledBackgroundDownloader() const {
return background_downloads_enabled_;
}
bool ConfiguratorImpl::EnabledCupSigning() const {
return true;
}
// The default implementation for most embedders returns an empty string.
// Desktop embedders, such as the Windows component updater can provide a
// meaningful implementation for this function.
std::string ConfiguratorImpl::GetAppGuid() const {
return {};
}
std::unique_ptr<update_client::ProtocolHandlerFactory>
ConfiguratorImpl::GetProtocolHandlerFactory() const {
return std::make_unique<update_client::ProtocolHandlerFactoryJSON>();
}
// Returns a "do nothing" callback which returns an empty updater state.
// This is the correct default for all the embedders except the component
// updater for Chrome on macOS and Windows, which includes a recovery
// component.
update_client::UpdaterStateProvider ConfiguratorImpl::GetUpdaterStateProvider()
const {
return base::BindRepeating([](bool /*is_machine*/) {
return base::flat_map<std::string, std::string>();
});
}
absl::optional<bool> ConfiguratorImpl::IsMachineExternallyManaged() const {
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC)
return base::IsMachineExternallyManaged();
#else
return absl::nullopt;
#endif
}
} // namespace component_updater
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