repertory/include/cli/mount.hpp

/*
  Copyright <2018-2022> <scott.e.graves@protonmail.com>

  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
  associated documentation files (the "Software"), to deal in the Software without restriction,
  including without limitation the rights to use, copy, modify, merge, publish, distribute,
  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all copies or
  substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
  NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
  OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef INCLUDE_CLI_MOUNT_HPP_
#define INCLUDE_CLI_MOUNT_HPP_

#include "common.hpp"
#include "platform/platform.hpp"
#include "providers/provider.hpp"
#include "types/repertory.hpp"
#include "utils/cli_utils.hpp"
#include "utils/com_init_wrapper.hpp"
#include "utils/file_utils.hpp"

#ifdef _WIN32
#include "drives/winfsp/remotewinfsp/remote_client.hpp"
#include "drives/winfsp/remotewinfsp/remote_winfsp_drive.hpp"
#include "drives/winfsp/winfsp_drive.hpp"

typedef repertory::winfsp_drive repertory_drive;
typedef repertory::remote_winfsp::remote_client remote_client;
typedef repertory::remote_winfsp::remote_winfsp_drive remote_drive;
typedef repertory::remote_winfsp::i_remote_instance remote_instance;
#else
#include "drives/fuse/fuse_drive.hpp"
#include "drives/fuse/remotefuse/remote_client.hpp"
#include "drives/fuse/remotefuse/remote_fuse_drive.hpp"

typedef repertory::fuse_drive repertory_drive;
typedef repertory::remote_fuse::remote_client remote_client;
typedef repertory::remote_fuse::remote_fuse_drive remote_drive;
typedef repertory::remote_fuse::i_remote_instance remote_instance;
#endif

namespace repertory::cli::actions {
static exit_code mount(const int &argc, char *argv[], std::string data_directory, int &mount_result,
                       provider_type pt, const std::string &remote_host,
                       const std::uint16_t &remote_port, const std::string &unique_id) {
  auto ret = exit_code::success;

  lock_data lock(pt, unique_id);
  const auto res = lock.grab_lock();
  if (res == lock_result::locked) {
    ret = exit_code::mount_active;
    std::cerr << app_config::get_provider_display_name(pt) << " mount is already active"
              << std::endl;
  } else if (res == lock_result::success) {
    curl_global_init(CURL_GLOBAL_DEFAULT);
    {
      const auto generate_config =
          utils::cli::has_option(argc, argv, utils::cli::options::generate_config_option);
      if (generate_config) {
        app_config config(pt, data_directory);
        if (pt == provider_type::remote) {
          config.set_enable_remote_mount(false);
          config.set_is_remote_mount(true);
          config.set_remote_host_name_or_ip(remote_host);
          config.set_remote_port(remote_port);
        }
        std::cout << "Generated " << app_config::get_provider_display_name(pt) << " Configuration"
                  << std::endl;
        std::cout << config.get_config_file_path() << std::endl;
        ret = utils::file::is_file(config.get_config_file_path()) ? exit_code::success
                                                                  : exit_code::file_creation_failed;
      } else {
#ifdef _WIN32
        if (utils::cli::has_option(argc, argv, utils::cli::options::hidden_option)) {
          ::ShowWindow(::GetConsoleWindow(), SW_HIDE);
        }
#endif
        const auto driveArgs = utils::cli::parse_drive_options(argc, argv, pt, data_directory);
        std::cout << "Initializing " << app_config::get_provider_display_name(pt)
                  << (unique_id.empty() ? ""
                      : (pt == provider_type::s3)
                          ? " [" + unique_id + ']'
                          : " [" + remote_host + ':' + std::to_string(remote_port) + ']')
                  << " Drive" << std::endl;
        app_config config(pt, data_directory);
        if (pt == provider_type::remote) {
          std::uint16_t port = 0u;
          if (utils::get_next_available_port(config.get_api_port(), port)) {
            config.set_remote_host_name_or_ip(remote_host);
            config.set_remote_port(remote_port);
            config.set_api_port(port);
            config.set_is_remote_mount(true);
            config.set_enable_remote_mount(false);
            config.save();
            try {
              remote_drive drive(config, lock, [&config]() -> std::unique_ptr<remote_instance> {
                return std::unique_ptr<remote_instance>(new remote_client(config));
              });
              lock.set_mount_state(true, "", -1);
              mount_result = drive.mount(driveArgs);
              ret = exit_code::mount_result;
            } catch (const std::exception &e) {
              std::cerr << "FATAL: " << e.what() << std::endl;
              ret = exit_code::startup_exception;
            }
          } else {
            std::cerr << "FATAL: Unable to get available port" << std::endl;
            ret = exit_code::startup_exception;
          }
        } else {
#ifdef _WIN32
          if (config.get_enable_mount_manager() && not utils::is_process_elevated()) {
            com_init_wrapper cw;
            lock.set_mount_state(true, "elevating", -1);
            lock.release();

            mount_result = utils::run_process_elevated(argc, argv);
            lock_data lockData2(pt, unique_id);
            if (lockData2.grab_lock() == lock_result::success) {
              lockData2.set_mount_state(false, "", -1);
              lockData2.release();
            }

            return exit_code::mount_result;
          }
#endif
          config.set_is_remote_mount(false);

          try {
            auto provider = create_provider(pt, config);
            repertory_drive drive(config, lock, *provider);
            lock.set_mount_state(true, "", -1);
            mount_result = drive.mount(driveArgs);
            ret = exit_code::mount_result;
          } catch (const std::exception &e) {
            std::cerr << "FATAL: " << e.what() << std::endl;
            ret = exit_code::startup_exception;
          }
        }
      }
    }
    curl_global_cleanup();
  } else {
    ret = exit_code::lock_failed;
  }

  return ret;
}
} // namespace repertory::cli::actions

#endif // INCLUDE_CLI_MOUNT_HPP_