// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.

#include "shell/browser/net/network_context_service.h"

#include <utility>

#include "chrome/browser/browser_features.h"
#include "chrome/common/chrome_constants.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/browser/shared_cors_origin_access_list.h"
#include "electron/fuses.h"
#include "net/net_buildflags.h"
#include "services/network/network_service.h"
#include "services/network/public/cpp/cors/origin_access_list.h"
#include "shell/browser/browser_process_impl.h"
#include "shell/browser/electron_browser_client.h"
#include "shell/browser/net/system_network_context_manager.h"

namespace electron {

namespace {

bool ShouldTriggerNetworkDataMigration() {
#if defined(OS_WIN)
  // On Windows, if sandbox enabled means data must be migrated.
  if (SystemNetworkContextManager::IsNetworkSandboxEnabled())
    return true;
#endif  // defined(OS_WIN)
  if (base::FeatureList::IsEnabled(features::kTriggerNetworkDataMigration))
    return true;
  return false;
}

}  // namespace

NetworkContextService::NetworkContextService(content::BrowserContext* context)
    : browser_context_(static_cast<ElectronBrowserContext*>(context)),
      proxy_config_monitor_(browser_context_->prefs()) {}

NetworkContextService::~NetworkContextService() = default;

void NetworkContextService::ConfigureNetworkContextParams(
    network::mojom::NetworkContextParams* network_context_params,
    cert_verifier::mojom::CertVerifierCreationParams*
        cert_verifier_creation_params) {
  bool in_memory = browser_context_->IsOffTheRecord();
  const base::FilePath& path = browser_context_->GetPath();

  g_browser_process->system_network_context_manager()
      ->ConfigureDefaultNetworkContextParams(network_context_params);

  mojo::Remote<network::mojom::SSLConfigClient> ssl_config_client;
  network_context_params->ssl_config_client_receiver =
      ssl_config_client.BindNewPipeAndPassReceiver();
  browser_context_->SetSSLConfigClient(std::move(ssl_config_client));

  network_context_params->initial_ssl_config = browser_context_->GetSSLConfig();

  network_context_params->user_agent = browser_context_->GetUserAgent();

  network_context_params->cors_origin_access_list =
      browser_context_->GetSharedCorsOriginAccessList()
          ->GetOriginAccessList()
          .CreateCorsOriginAccessPatternsList();

  network_context_params->accept_language =
      net::HttpUtil::GenerateAcceptLanguageHeader(
          ElectronBrowserClient::Get()->GetApplicationLocale());

  // Enable the HTTP cache.
  network_context_params->http_cache_enabled =
      browser_context_->CanUseHttpCache();

  network_context_params->cookie_manager_params =
      network::mojom::CookieManagerParams::New();

  // Configure on-disk storage for persistent sessions.
  if (!in_memory) {
    // Configure the HTTP cache path and size.
    network_context_params->http_cache_path =
        path.Append(chrome::kCacheDirname);
    network_context_params->http_cache_max_size =
        browser_context_->GetMaxCacheSize();

    network_context_params->file_paths =
        network::mojom::NetworkContextFilePaths::New();
    network_context_params->file_paths->data_path =
        path.Append(chrome::kNetworkDataDirname);
    network_context_params->file_paths->unsandboxed_data_path = path;
    network_context_params->file_paths->trigger_migration =
        ShouldTriggerNetworkDataMigration();

    // Currently this just contains HttpServerProperties
    network_context_params->file_paths->http_server_properties_file_name =
        base::FilePath(chrome::kNetworkPersistentStateFilename);

    // Configure persistent cookie path.
    network_context_params->file_paths->cookie_database_name =
        base::FilePath(chrome::kCookieFilename);

    network_context_params->file_paths->http_server_properties_file_name =
        base::FilePath(chrome::kNetworkPersistentStateFilename);

    network_context_params->file_paths->trust_token_database_name =
        base::FilePath(chrome::kTrustTokenFilename);

    network_context_params->restore_old_session_cookies = false;
    network_context_params->persist_session_cookies = false;

    network_context_params->enable_encrypted_cookies =
        electron::fuses::IsCookieEncryptionEnabled();

    network_context_params->file_paths->transport_security_persister_file_name =
        base::FilePath(chrome::kTransportSecurityPersisterFilename);
  }

  proxy_config_monitor_.AddToNetworkContextParams(network_context_params);

  BrowserProcessImpl::ApplyProxyModeFromCommandLine(
      browser_context_->in_memory_pref_store());
}

}  // namespace electron