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// Copyright 2022 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/web_applications/os_integration/protocol_handling_sub_manager.h"
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/containers/contains.h"
#include "base/files/file_path.h"
#include "base/functional/callback_forward.h"
#include "base/functional/callback_helpers.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/web_applications/os_integration/os_integration_sub_manager.h"
#include "chrome/browser/web_applications/os_integration/os_integration_test_override.h"
#include "chrome/browser/web_applications/os_integration/web_app_protocol_handler_registration.h"
#include "chrome/browser/web_applications/proto/web_app_install_state.pb.h"
#include "chrome/browser/web_applications/proto/web_app_os_integration_state.pb.h"
#include "chrome/browser/web_applications/web_app.h"
#include "chrome/browser/web_applications/web_app_constants.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/web_applications/web_app_registrar.h"
#include "components/services/app_service/public/cpp/protocol_handler_info.h"
#include "url/gurl.h"
namespace web_app {
namespace {
std::vector<apps::ProtocolHandlerInfo> GetApprovedProtocolHandlers(
const proto::os_state::WebAppOsIntegration& state) {
std::vector<apps::ProtocolHandlerInfo> protocol_handlers_info;
for (const auto& proto_data : state.protocols_handled().protocols()) {
apps::ProtocolHandlerInfo info;
info.protocol = proto_data.protocol();
info.url = GURL(proto_data.url());
protocol_handlers_info.push_back(info);
}
return protocol_handlers_info;
}
void RecordProtocolHandlingResult(const std::string histogram_name,
Result result) {
base::UmaHistogramBoolean(histogram_name, (result == Result::kOk));
}
} // namespace
ProtocolHandlingSubManager::ProtocolHandlingSubManager(
const base::FilePath& profile_path,
WebAppProvider& provider)
: profile_path_(profile_path), provider_(provider) {}
ProtocolHandlingSubManager::~ProtocolHandlingSubManager() = default;
void ProtocolHandlingSubManager::Configure(
const webapps::AppId& app_id,
proto::os_state::WebAppOsIntegration& desired_state,
base::OnceClosure configure_done) {
DCHECK(!desired_state.has_protocols_handled());
if (provider_->registrar_unsafe().GetInstallState(app_id) !=
proto::INSTALLED_WITH_OS_INTEGRATION) {
std::move(configure_done).Run();
return;
}
const WebApp* web_app = provider_->registrar_unsafe().GetAppById(app_id);
DCHECK(web_app);
for (const auto& protocol_handler : web_app->protocol_handlers()) {
if (base::Contains(web_app->disallowed_launch_protocols(),
protocol_handler.protocol)) {
continue;
}
proto::os_state::ProtocolsHandled::Protocol* protocol =
desired_state.mutable_protocols_handled()->add_protocols();
protocol->set_protocol(protocol_handler.protocol);
protocol->set_url(protocol_handler.url.spec());
}
std::move(configure_done).Run();
}
void ProtocolHandlingSubManager::Execute(
const webapps::AppId& app_id,
const std::optional<SynchronizeOsOptions>& synchronize_options,
const proto::os_state::WebAppOsIntegration& desired_state,
const proto::os_state::WebAppOsIntegration& current_state,
base::OnceClosure callback) {
// No-op if both the desired and current states are empty.
if (!desired_state.has_protocols_handled() &&
!current_state.has_protocols_handled()) {
std::move(callback).Run();
return;
}
CHECK_OS_INTEGRATION_ALLOWED();
// Handle unregistration case.
if (current_state.has_protocols_handled() &&
!desired_state.has_protocols_handled()) {
UnregisterProtocolHandlersWithOs(
app_id, profile_path_,
base::BindOnce(&RecordProtocolHandlingResult,
"WebApp.ProtocolHandlers.Unregistration.Result")
.Then(std::move(callback)));
return;
}
// Handle registration case.
if (!current_state.has_protocols_handled() &&
desired_state.has_protocols_handled()) {
RegisterProtocolHandlersWithOs(
app_id, provider_->registrar_unsafe().GetAppShortName(app_id),
profile_path_, GetApprovedProtocolHandlers(desired_state),
base::BindOnce(&RecordProtocolHandlingResult,
"WebApp.ProtocolHandlers.Registration.Result")
.Then(std::move(callback)));
return;
}
// If an update is required, then both states should have protocol handling
// information.
DCHECK(desired_state.has_protocols_handled());
DCHECK(current_state.has_protocols_handled());
// Protocol Handling Diff detection.
std::string desired_protocols_handled =
desired_state.protocols_handled().SerializeAsString();
std::string current_protocols_handled =
current_state.protocols_handled().SerializeAsString();
if (desired_protocols_handled == current_protocols_handled) {
std::move(callback).Run();
return;
}
// If either a registration or unregistration is not done, then an update
// needs to happen.
auto register_and_complete =
base::BindOnce(&RegisterProtocolHandlersWithOs, app_id,
provider_->registrar_unsafe().GetAppShortName(app_id),
profile_path_, GetApprovedProtocolHandlers(desired_state),
base::BindOnce(&RecordProtocolHandlingResult,
"WebApp.ProtocolHandlers.Update.Result")
.Then(std::move(callback)));
UnregisterProtocolHandlersWithOs(
app_id, profile_path_,
base::IgnoreArgs<Result>(std::move(register_and_complete)));
}
void ProtocolHandlingSubManager::ForceUnregister(const webapps::AppId& app_id,
base::OnceClosure callback) {
UnregisterProtocolHandlersWithOs(
app_id, profile_path_,
base::BindOnce(&RecordProtocolHandlingResult,
"WebApp.ProtocolHandlers.Unregistration.Result")
.Then(std::move(callback)));
}
} // namespace web_app
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