crafty-4/app/classes/web/panel_handler.py

import time
import datetime
import os
from typing import Dict, Any, Tuple
import json
import logging
import threading
import bleach
import libgravatar
import requests

import tornado.web
import tornado.escape
from tornado import iostream
from tornado.ioloop import IOLoop

#TZLocal is set as a hidden import on win pipeline
from tzlocal import get_localzone
from cron_validator import CronValidator
from app.classes.controllers.servers_controller import Servers_Controller

from app.classes.models.server_permissions import Enum_Permissions_Server
from app.classes.models.crafty_permissions import Enum_Permissions_Crafty
from app.classes.models.management import management_helper

from app.classes.shared.authentication import authentication
from app.classes.shared.helpers import helper

from app.classes.web.base_handler import BaseHandler

logger = logging.getLogger(__name__)

class PanelHandler(BaseHandler):

    def get_user_roles(self) -> Dict[str, list]:
        user_roles = {}
        for user in self.controller.users.get_all_users():
            user_roles_list = self.controller.users.get_user_roles_names(user.user_id)
            # user_servers = self.controller.servers.get_authorized_servers(user.user_id)
            user_roles[user.user_id] = user_roles_list
        return user_roles

    def get_role_servers(self) -> set:
        servers = set()
        for server in self.controller.list_defined_servers():
            argument = int(float(
                bleach.clean(
                    self.get_argument(f"server_{server['server_id']}_access", '0')
                )
            ))
            if argument:
                servers.add(server['server_id'])
        return servers

    def get_perms_quantity(self) -> Tuple[str, dict]:
        permissions_mask: str = "000"
        server_quantity: dict = {}
        for permission in self.controller.crafty_perms.list_defined_crafty_permissions():
            argument = int(float(bleach.clean(
                self.get_argument(f'permission_{permission.name}', '0')
            )))
            if argument:
                permissions_mask = self.controller.crafty_perms.set_permission(permissions_mask, permission, argument)

            q_argument = int(float(
                bleach.clean(
                    self.get_argument(f'quantity_{permission.name}', '0')
                )
            ))
            if q_argument:
                server_quantity[permission.name] = q_argument
            else:
                server_quantity[permission.name] = 0
        return permissions_mask, server_quantity

    def get_perms(self) -> str:
        permissions_mask: str = "000"
        for permission in self.controller.crafty_perms.list_defined_crafty_permissions():
            argument = self.get_argument(f'permission_{permission.name}', None)
            if argument is not None:
                permissions_mask = self.controller.crafty_perms.set_permission(permissions_mask, permission,
                                                                               1 if argument == '1' else 0)
        return permissions_mask

    def get_perms_server(self) -> str:
        permissions_mask = "00000000"
        for permission in self.controller.server_perms.list_defined_permissions():
            argument = self.get_argument(f'permission_{permission.name}', None)
            if argument is not None:
                permissions_mask = self.controller.server_perms.set_permission(permissions_mask, permission,
                                                                               1 if argument == '1' else 0)
        return permissions_mask

    def get_user_role_memberships(self) -> set:
        roles = set()
        for role in self.controller.roles.get_all_roles():
            if self.get_argument(f'role_{role.role_id}_membership', None) == '1':
                roles.add(role.role_id)
        return roles

    def download_file(self, name: str, file: str):
        self.set_header('Content-Type', 'application/octet-stream')
        self.set_header('Content-Disposition', f'attachment; filename={name}')
        chunk_size = 1024 * 1024 * 4  # 4 MiB

        with open(file, 'rb') as f:
            while True:
                chunk = f.read(chunk_size)
                if not chunk:
                    break
                try:
                    self.write(chunk)  # write the chunk to response
                    self.flush()  # send the chunk to client
                except iostream.StreamClosedError:
                    # this means the client has closed the connection
                    # so break the loop
                    break
                finally:
                    # deleting the chunk is very important because
                    # if many clients are downloading files at the
                    # same time, the chunks in memory will keep
                    # increasing and will eat up the RAM
                    del chunk

    def check_server_id(self):
        server_id = self.get_argument('id', None)

        api_key, _, exec_user = self.current_user
        superuser = exec_user['superuser']

        # Commented out because there is no server access control for API keys, they just inherit from the host user
        # if api_key is not None:
        #     superuser = superuser and api_key.superuser

        if server_id is None:
            self.redirect("/panel/error?error=Invalid Server ID")
            return None
        else:
            # Does this server exist?
            if not self.controller.servers.server_id_exists(server_id):
                self.redirect("/panel/error?error=Invalid Server ID")
                return None

            # Does the user have permission?
            if not superuser: # TODO: Figure out a better solution
                if api_key is not None:
                    if not self.controller.servers.server_id_authorized_api_key(server_id, api_key):
                        print(f'API key {api_key.name} (id: {api_key.token_id}) does not have permission')
                        self.redirect("/panel/error?error=Invalid Server ID")
                        return None
                else:
                    if not self.controller.servers.server_id_authorized(server_id, exec_user["user_id"]):
                        print(f'User {exec_user["user_id"]} does not have permission')
                        self.redirect("/panel/error?error=Invalid Server ID")
                        return None
        return server_id

    # Server fetching, spawned asynchronously
    # TODO: Make the related front-end elements update with AJAX
    def fetch_server_data(self, page_data):
        total_players = 0
        for server in page_data['servers']:
            total_players += len(self.controller.stats.get_server_players(server['server_data']['server_id']))
        page_data['num_players'] = total_players

        for s in page_data['servers']:
            try:
                data = json.loads(s['int_ping_results'])
                s['int_ping_results'] = data
            except Exception as e:
                logger.error(f"Failed server data for page with error: {e}")

        return page_data


    @tornado.web.authenticated
    async def get(self, page):
        error = self.get_argument('error', "WTF Error!")

        template = "panel/denied.html"

        now = time.time()
        formatted_time = str(datetime.datetime.fromtimestamp(now).strftime('%Y-%m-%d %H:%M:%S'))

        # pylint: disable=unused-variable
        api_key, token_data, exec_user = self.current_user
        superuser = exec_user['superuser']
        if api_key is not None:
            superuser = superuser and api_key.superuser

        exec_user_role = set()
        if superuser: # TODO: Figure out a better solution
            defined_servers = self.controller.list_defined_servers()
            exec_user_role.add("Super User")
            exec_user_crafty_permissions = self.controller.crafty_perms.list_defined_crafty_permissions()
        else:
            if api_key is not None:
                exec_user_crafty_permissions = self.controller.crafty_perms.get_api_key_permissions_list(api_key)
            else:
                exec_user_crafty_permissions = self.controller.crafty_perms.get_crafty_permissions_list(
                    exec_user["user_id"])
            logger.debug(exec_user['roles'])
            for r in exec_user['roles']:
                role = self.controller.roles.get_role(r)
                exec_user_role.add(role['role_name'])
            defined_servers = self.controller.servers.get_authorized_servers(exec_user["user_id"])

        page_data: Dict[str, Any] = {
            # todo: make this actually pull and compare version data
            'update_available': False,
            'serverTZ':get_localzone(),
            'version_data': helper.get_version_string(),
            'user_data': exec_user,
            'user_role' : exec_user_role,
            'user_crafty_permissions' : exec_user_crafty_permissions,
            'crafty_permissions': {
                'Server_Creation': Enum_Permissions_Crafty.Server_Creation,
                'User_Config': Enum_Permissions_Crafty.User_Config,
                'Roles_Config': Enum_Permissions_Crafty.Roles_Config,
            },
            'server_stats': {
                'total': len(defined_servers),
                'running': len(self.controller.list_running_servers()),
                'stopped': (len(self.controller.list_defined_servers()) - len(self.controller.list_running_servers()))
            },
            'menu_servers': defined_servers,
            'hosts_data': self.controller.management.get_latest_hosts_stats(),
            'show_contribute': helper.get_setting("show_contribute_link", True),
            'error': error,
            'time': formatted_time,
            'lang': self.controller.users.get_user_lang_by_id(exec_user["user_id"]),
            'super_user': superuser,
            'api_key': {
                'name': api_key.name,
                'created': api_key.created,
                'server_permissions': api_key.server_permissions,
                'crafty_permissions': api_key.crafty_permissions,
                'superuser': api_key.superuser
            } if api_key is not None else None,
            'superuser': superuser
        }
        if  helper.get_setting("allow_nsfw_profile_pictures"):
            rating = "x"
        else:
            rating = "g"


        #Get grvatar hash for profile pictures
        if exec_user['email'] != 'default@example.com' or "":
            g = libgravatar.Gravatar(libgravatar.sanitize_email(exec_user['email']))
            url = g.get_image(size=80, default="404", force_default=False, rating=rating, filetype_extension=False, use_ssl=True) # + "?d=404"
            if requests.head(url).status_code != 404:
                profile_url = url
            else:
                profile_url = "/static/assets/images/faces-clipart/pic-3.png"
        else:
            profile_url = "/static/assets/images/faces-clipart/pic-3.png"

        page_data['user_image'] = profile_url

        if page == 'unauthorized':
            template = "panel/denied.html"

        elif page == "error":
            template = "public/error.html"

        elif page == 'credits':
            with open(helper.credits_cache, encoding='utf-8') as republic_credits_will_do:
                credits_dict: dict = json.load(republic_credits_will_do)
                timestamp = credits_dict["lastUpdate"] / 1000.0
                page_data["patrons"] = credits_dict["patrons"]
                page_data["staff"] = credits_dict["staff"]
                page_data["translations"] = credits_dict["translations"]
                page_data["lastUpdate"] = str(datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M:%S'))
            template = "panel/credits.html"

        elif page == 'contribute':
            template = "panel/contribute.html"

        elif page == 'dashboard':
            if superuser: # TODO: Figure out a better solution
                try:
                    page_data['servers'] = self.controller.servers.get_all_servers_stats()
                except IndexError:
                    self.controller.stats.record_stats()
                    page_data['servers'] = self.controller.servers.get_all_servers_stats()
            else:
                try:
                    user_auth = self.controller.servers.get_authorized_servers_stats(exec_user["user_id"])
                except IndexError:
                    self.controller.stats.record_stats()
                    user_auth = self.controller.servers.get_authorized_servers_stats(exec_user["user_id"])
                logger.debug(f"ASFR: {user_auth}")
                page_data['servers'] = user_auth
                page_data['server_stats']['running'] = len(
                    list(filter(lambda x: x['stats']['running'], page_data['servers'])))
                page_data['server_stats']['stopped'] = len(page_data['servers']) - page_data['server_stats']['running']

            for data in page_data['servers']:
                data['stats']['crashed'] = self.controller.servers.is_crashed(
                        str(data['stats']['server_id']['server_id']))
                try:
                    data['stats']['waiting_start'] = self.controller.servers.get_waiting_start(
                        str(data['stats']['server_id']['server_id']))
                except Exception as e:
                    logger.error(f"Failed to get server waiting to start: {e}")
                    data['stats']['waiting_start'] = False

            try:
                self.fetch_server_data(page_data)
            except:
                page_data['num_players'] = 0

            IOLoop.current().add_callback(self.fetch_server_data, page_data)

            template = "panel/dashboard.html"

        elif page == 'server_detail':
            subpage = bleach.clean(self.get_argument('subpage', ""))

            server_id = self.check_server_id()
            if server_id is None:
                return

            valid_subpages = ['term', 'logs', 'backup', 'config', 'files', 'admin_controls', 'tasks']

            if subpage not in valid_subpages:
                logger.debug('not a valid subpage')
                subpage = 'term'
            logger.debug(f'Subpage: "{subpage}"')

            server = self.controller.get_server_obj(server_id)
            # server_data isn't needed since the server_stats also pulls server data
            page_data['server_data'] = self.controller.servers.get_server_data_by_id(server_id)
            page_data['server_stats'] = self.controller.servers.get_server_stats_by_id(server_id)
            try:
                page_data['waiting_start'] = self.controller.servers.get_waiting_start(server_id)
            except Exception as e:
                logger.error(f"Failed to get server waiting to start: {e}")
                page_data['waiting_start'] = False
            page_data['get_players'] = lambda: self.controller.stats.get_server_players(server_id)
            page_data['active_link'] = subpage
            page_data['permissions'] = {
                'Commands': Enum_Permissions_Server.Commands,
                'Terminal': Enum_Permissions_Server.Terminal,
                'Logs': Enum_Permissions_Server.Logs,
                'Schedule': Enum_Permissions_Server.Schedule,
                'Backup': Enum_Permissions_Server.Backup,
                'Files': Enum_Permissions_Server.Files,
                'Config': Enum_Permissions_Server.Config,
                'Players': Enum_Permissions_Server.Players,
            }
            page_data['user_permissions'] = self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"], server_id)
            page_data['server_stats']['crashed'] = self.controller.servers.is_crashed(server_id)

            if subpage == 'term':
                if not page_data['permissions']['Terminal'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access to Terminal")
                        return

            if subpage == 'logs':
                if not page_data['permissions']['Logs'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access to Logs")
                        return


            if subpage == 'tasks':
                if not page_data['permissions']['Schedule'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access To Scheduled Tasks")
                        return
                page_data['schedules'] = management_helper.get_schedules_by_server(server_id)

            if subpage == 'config':
                if not page_data['permissions']['Config'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access Server Config")
                        return

            if subpage == 'files':
                if not page_data['permissions']['Files'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access Files")
                        return


            if subpage == "backup":
                if not page_data['permissions']['Backup'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access to Backups")
                        return
                server_info = self.controller.servers.get_server_data_by_id(server_id)
                page_data['backup_config'] = self.controller.management.get_backup_config(server_id)
                self.controller.refresh_server_settings(server_id)
                try:
                    page_data['backup_list'] = server.list_backups()
                except:
                    page_data['backup_list'] = []
                page_data['backup_path'] = helper.wtol_path(server_info["backup_path"])

            def get_banned_players_html():
                banned_players = self.controller.servers.get_banned_players(server_id)
                if banned_players is None:
                    return """
                    <li class="playerItem banned">
                        <h3>Error while reading banned-players.json</h3>
                    </li>
                    """
                html = ""
                for player in banned_players:
                    html += f"""
                    <li class="playerItem banned">
                        <h3>{player['name']}</h3>
                        <span>Banned by {player['source']} for reason: {player['reason']}</span>
                        <button onclick="send_command_to_server('pardon {player['name']}')" type="button" class="btn btn-danger">Unban</button>
                    </li>
                    """

                return html
            if subpage == "admin_controls":
                if not page_data['permissions']['Players'] in page_data['user_permissions']:
                    if not superuser:
                        self.redirect("/panel/error?error=Unauthorized access")
                page_data['banned_players'] = get_banned_players_html()

            template = f"panel/server_{subpage}.html"

        elif page == 'download_backup':
            file = self.get_argument('file', "")

            server_id = self.check_server_id()
            if server_id is None:
                return


            server_info = self.controller.servers.get_server_data_by_id(server_id)
            backup_file = os.path.abspath(os.path.join(helper.get_os_understandable_path(server_info["backup_path"]), file))
            if not helper.in_path(helper.get_os_understandable_path(server_info["backup_path"]), backup_file) \
                    or not os.path.isfile(backup_file):
                self.redirect("/panel/error?error=Invalid path detected")
                return

            self.download_file(file, backup_file)

            self.redirect(f"/panel/server_detail?id={server_id}&subpage=backup")

        elif page == 'backup_now':
            server_id = self.check_server_id()
            if server_id is None:
                return

            server = self.controller.get_server_obj(server_id)

            server.backup_server()
            self.redirect(f"/panel/server_detail?id={server_id}&subpage=backup")

        elif page == 'panel_config':
            auth_servers = {}
            auth_role_servers = {}
            users_list = []
            role_users = {}
            roles = self.controller.roles.get_all_roles()
            user_roles = {}
            for user in self.controller.users.get_all_users():
                user_roles_list = self.controller.users.get_user_roles_names(user.user_id)
                user_servers = self.controller.servers.get_authorized_servers(user.user_id)
                servers = []
                for server in user_servers:
                    if server['server_name'] not in servers:
                        servers.append(server['server_name'])
                new_item = {user.user_id: servers}
                auth_servers.update(new_item)
                data = {user.user_id: user_roles_list}
                user_roles.update(data)
            for role in roles:
                role_servers = []
                role = self.controller.roles.get_role_with_servers(role.role_id)
                for serv_id in role['servers']:
                    role_servers.append(self.controller.servers.get_server_data_by_id(serv_id)['server_name'])
                data = {role['role_id']: role_servers}
                auth_role_servers.update(data)


            page_data['auth-servers'] = auth_servers
            page_data['role-servers'] = auth_role_servers
            page_data['user-roles'] = user_roles

            page_data['users'] = self.controller.users.user_query(exec_user['user_id'])
            page_data['roles'] = self.controller.users.user_role_query(exec_user['user_id'])


            for user in page_data['users']:
                if user.user_id != exec_user['user_id']:
                    user.api_token = "********"
            if superuser:
                for user in self.controller.users.get_all_users():
                    if user.superuser:
                        super_auth_servers = ["Super User Access To All Servers"]
                        page_data['users'] = self.controller.users.get_all_users()
                        page_data['roles'] = self.controller.roles.get_all_roles()
                        page_data['auth-servers'][user.user_id] = super_auth_servers

            template = "panel/panel_config.html"

        elif page == "add_user":
            page_data['new_user'] = True
            page_data['user'] = {}
            page_data['user']['username'] = ""
            page_data['user']['user_id'] = -1
            page_data['user']['email'] = ""
            page_data['user']['enabled'] = True
            page_data['user']['superuser'] = False
            page_data['user']['created'] = "N/A"
            page_data['user']['last_login'] = "N/A"
            page_data['user']['last_ip'] = "N/A"
            page_data['user']['last_update'] = "N/A"
            page_data['user']['roles'] = set()

            if Enum_Permissions_Crafty.User_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not a user editor")
                return

            page_data['roles_all'] = self.controller.roles.get_all_roles()
            page_data['servers'] = []
            page_data['servers_all'] = self.controller.list_defined_servers()
            page_data['role-servers'] = []
            page_data['permissions_all'] = self.controller.crafty_perms.list_defined_crafty_permissions()
            page_data['permissions_list'] = set()
            page_data['quantity_server'] = self.controller.crafty_perms.list_all_crafty_permissions_quantity_limits()
            page_data['languages'] = []
            page_data['languages'].append(self.controller.users.get_user_lang_by_id(exec_user["user_id"]))
            if superuser:
                page_data['super-disabled'] = ''
            else:
                page_data['super-disabled'] = 'disabled'
            for file in os.listdir(os.path.join(helper.root_dir, 'app', 'translations')):
                if file.endswith('.json'):
                    if file != str(page_data['languages'][0] + '.json'):
                        page_data['languages'].append(file.split('.')[0])

            template = "panel/panel_edit_user.html"

        elif page == "add_schedule":
            server_id = self.get_argument('id', None)
            page_data['get_players'] = lambda: self.controller.stats.get_server_players(server_id)
            page_data['active_link'] = 'tasks'
            page_data['permissions'] = {
                'Commands': Enum_Permissions_Server.Commands,
                'Terminal': Enum_Permissions_Server.Terminal,
                'Logs': Enum_Permissions_Server.Logs,
                'Schedule': Enum_Permissions_Server.Schedule,
                'Backup': Enum_Permissions_Server.Backup,
                'Files': Enum_Permissions_Server.Files,
                'Config': Enum_Permissions_Server.Config,
                'Players': Enum_Permissions_Server.Players,
            }
            page_data['user_permissions'] = self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"], server_id)
            page_data['server_data'] = self.controller.servers.get_server_data_by_id(server_id)
            page_data['server_stats'] = self.controller.servers.get_server_stats_by_id(server_id)
            page_data['new_schedule'] = True
            page_data['schedule'] = {}
            page_data['schedule']['server_id'] = server_id
            page_data['schedule']['schedule_id'] = ''
            page_data['schedule']['action'] = ""
            page_data['schedule']['enabled'] = True
            page_data['schedule']['command'] = ''
            page_data['schedule']['one_time'] = False
            page_data['schedule']['cron_string'] = ""
            page_data['schedule']['time'] = ""
            page_data['schedule']['interval'] = ""
            #we don't need to check difficulty here. We'll just default to basic for new schedules
            page_data['schedule']['difficulty'] = "basic"
            page_data['schedule']['interval_type'] = 'days'

            if not Enum_Permissions_Server.Schedule in page_data['user_permissions']:
                if not superuser:
                    self.redirect("/panel/error?error=Unauthorized access To Scheduled Tasks")
                    return

            template = "panel/server_schedule_edit.html"

        elif page == "edit_schedule":
            server_id = self.get_argument('id', None)
            sch_id = self.get_argument('sch_id', None)
            schedule = self.controller.management.get_scheduled_task_model(sch_id)
            page_data['get_players'] = lambda: self.controller.stats.get_server_players(server_id)
            page_data['active_link'] = 'tasks'
            page_data['permissions'] = {
                'Commands': Enum_Permissions_Server.Commands,
                'Terminal': Enum_Permissions_Server.Terminal,
                'Logs': Enum_Permissions_Server.Logs,
                'Schedule': Enum_Permissions_Server.Schedule,
                'Backup': Enum_Permissions_Server.Backup,
                'Files': Enum_Permissions_Server.Files,
                'Config': Enum_Permissions_Server.Config,
                'Players': Enum_Permissions_Server.Players,
            }
            page_data['user_permissions'] = self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"], server_id)
            page_data['server_data'] = self.controller.servers.get_server_data_by_id(server_id)
            page_data['server_stats'] = self.controller.servers.get_server_stats_by_id(server_id)
            page_data['new_schedule'] = False
            page_data['schedule'] = {}
            page_data['schedule']['server_id'] = server_id
            page_data['schedule']['schedule_id'] = schedule.schedule_id
            page_data['schedule']['action'] = schedule.action
            # We check here to see if the command is any of the default ones.
            # We do not want a user changing to a custom command and seeing our command there.
            if schedule.action != 'start' or schedule.action != 'stop' or schedule.action != 'restart' or schedule.action != 'backup':
                page_data['schedule']['command'] = schedule.command
            else:
                page_data['schedule']['command'] = ''
            page_data['schedule']['enabled'] = schedule.enabled
            page_data['schedule']['one_time'] = schedule.one_time
            page_data['schedule']['cron_string'] = schedule.cron_string
            page_data['schedule']['time'] = schedule.start_time
            page_data['schedule']['interval'] = schedule.interval
            page_data['schedule']['interval_type'] = schedule.interval_type
            if schedule.cron_string == '':
                difficulty = 'basic'
            else:
                difficulty = 'advanced'
            page_data['schedule']['difficulty'] = difficulty

            if sch_id is None or server_id is None:
                self.redirect("/panel/error?error=Invalid server ID or Schedule ID")

            if not Enum_Permissions_Server.Schedule in page_data['user_permissions']:
                if not superuser:
                    self.redirect("/panel/error?error=Unauthorized access To Scheduled Tasks")
                    return

            template = "panel/server_schedule_edit.html"

        elif page == "edit_user":
            user_id = self.get_argument('id', None)
            role_servers = self.controller.servers.get_authorized_servers(user_id)
            page_role_servers = []
            servers = set()
            for server in role_servers:
                page_role_servers.append(server['server_id'])
            page_data['new_user'] = False
            page_data['user'] = self.controller.users.get_user_by_id(user_id)
            page_data['servers'] = servers
            page_data['role-servers'] = page_role_servers
            page_data['roles_all'] = self.controller.roles.get_all_roles()
            page_data['servers_all'] = self.controller.list_defined_servers()
            page_data['permissions_all'] = self.controller.crafty_perms.list_defined_crafty_permissions()
            page_data['permissions_list'] = self.controller.crafty_perms.get_crafty_permissions_list(user_id)
            page_data['quantity_server'] = self.controller.crafty_perms.list_crafty_permissions_quantity_limits(user_id)
            page_data['languages'] = []
            page_data['languages'].append(self.controller.users.get_user_lang_by_id(user_id))
            #checks if super user. If not we disable the button.
            if superuser and str(exec_user['user_id']) != str(user_id):
                page_data['super-disabled'] = ''
            else:
                page_data['super-disabled'] = 'disabled'

            for file in sorted(os.listdir(os.path.join(helper.root_dir, 'app', 'translations'))):
                if file.endswith('.json'):
                    if file != str(page_data['languages'][0] + '.json'):
                        page_data['languages'].append(file.split('.')[0])

            if user_id is None:
                self.redirect("/panel/error?error=Invalid User ID")
                return
            elif Enum_Permissions_Crafty.User_Config not in exec_user_crafty_permissions:
                if str(user_id) != str(exec_user["user_id"]):
                    self.redirect("/panel/error?error=Unauthorized access: not a user editor")
                    return

                page_data['servers'] = []
                page_data['role-servers'] = []
                page_data['roles_all'] = []
                page_data['servers_all'] = []

            if exec_user['user_id'] != page_data['user']['user_id']:
                page_data['user']['api_token'] = "********"

            if exec_user['email'] == 'default@example.com':
                page_data['user']['email'] = ""
            template = "panel/panel_edit_user.html"

        elif page == "edit_user_apikeys":
            user_id = self.get_argument('id', None)
            page_data['user'] = self.controller.users.get_user_by_id(user_id)
            page_data['api_keys'] = self.controller.users.get_user_api_keys(user_id)
            # self.controller.crafty_perms.list_defined_crafty_permissions()
            page_data['server_permissions_all'] = self.controller.server_perms.list_defined_permissions()
            page_data['crafty_permissions_all'] = self.controller.crafty_perms.list_defined_crafty_permissions()

            if user_id is None:
                self.redirect("/panel/error?error=Invalid User ID")
                return

            template = "panel/panel_edit_user_apikeys.html"

        elif page == "remove_user":
            user_id = bleach.clean(self.get_argument('id', None))

            if not superuser and Enum_Permissions_Crafty.User_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not superuser")
                return

            elif str(exec_user["user_id"]) == str(user_id):
                self.redirect("/panel/error?error=Unauthorized access: you cannot delete yourself")
                return
            elif user_id is None:
                self.redirect("/panel/error?error=Invalid User ID")
                return
            else:
                # does this user id exist?
                target_user = self.controller.users.get_user_by_id(user_id)
                if not target_user:
                    self.redirect("/panel/error?error=Invalid User ID")
                    return
                elif target_user['superuser']:
                    self.redirect("/panel/error?error=Cannot remove a superuser")
                    return

            self.controller.users.remove_user(user_id)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Removed user {target_user['username']} (UID:{user_id})",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")

        elif page == "add_role":
            user_roles = self.get_user_roles()
            page_data['new_role'] = True
            page_data['role'] = {}
            page_data['role']['role_name'] = ""
            page_data['role']['role_id'] = -1
            page_data['role']['created'] = "N/A"
            page_data['role']['last_update'] = "N/A"
            page_data['role']['servers'] = set()
            page_data['user-roles'] = user_roles
            page_data['users'] = self.controller.users.get_all_users()

            if Enum_Permissions_Crafty.Roles_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not a role editor")
                return

            page_data['servers_all'] = self.controller.list_defined_servers()
            page_data['permissions_all'] = self.controller.server_perms.list_defined_permissions()
            page_data['permissions_list'] = set()
            template = "panel/panel_edit_role.html"

        elif page == "edit_role":
            user_roles = self.get_user_roles()
            page_data['new_role'] = False
            role_id = self.get_argument('id', None)
            page_data['role'] = self.controller.roles.get_role_with_servers(role_id)
            page_data['servers_all'] = self.controller.list_defined_servers()
            page_data['permissions_all'] = self.controller.server_perms.list_defined_permissions()
            page_data['permissions_list'] = self.controller.server_perms.get_role_permissions(role_id)
            page_data['user-roles'] = user_roles
            page_data['users'] = self.controller.users.get_all_users()

            if Enum_Permissions_Crafty.Roles_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not a role editor")
                return
            elif role_id is None:
                self.redirect("/panel/error?error=Invalid Role ID")
                return

            template = "panel/panel_edit_role.html"

        elif page == "remove_role":
            role_id = bleach.clean(self.get_argument('id', None))

            if not superuser:
                self.redirect("/panel/error?error=Unauthorized access: not superuser")
                return
            elif role_id is None:
                self.redirect("/panel/error?error=Invalid Role ID")
                return
            else:
                # does this user id exist?
                target_role = self.controller.roles.get_role(role_id)
                if not target_role:
                    self.redirect("/panel/error?error=Invalid Role ID")
                    return

            self.controller.roles.remove_role(role_id)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Removed role {target_role['role_name']} (RID:{role_id})",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")

        elif page == "activity_logs":
            page_data['audit_logs'] = self.controller.management.get_actity_log()

            template = "panel/activity_logs.html"

        elif page == 'download_file':
            file = helper.get_os_understandable_path(self.get_argument('path', ""))
            name = self.get_argument('name', "")

            server_id = self.check_server_id()
            if server_id is None:
                return

            server_info = self.controller.servers.get_server_data_by_id(server_id)

            if not helper.in_path(helper.get_os_understandable_path(server_info["path"]), file) \
                    or not os.path.isfile(file):
                self.redirect("/panel/error?error=Invalid path detected")
                return

            self.download_file(name, file)
            self.redirect(f"/panel/server_detail?id={server_id}&subpage=files")

        elif page == 'download_support_package':
            tempZipStorage = exec_user['support_logs']
            #We'll reset the support path for this user now.
            self.controller.users.set_support_path(exec_user["user_id"], "")

            self.set_header('Content-Type', 'application/octet-stream')
            self.set_header('Content-Disposition', 'attachment; filename=' + "support_logs.zip")
            chunk_size = 1024 * 1024 * 4 # 4 MiB
            if tempZipStorage != '':
                with open(tempZipStorage, 'rb') as f:
                    while True:
                        chunk = f.read(chunk_size)
                        if not chunk:
                            break
                        try:
                            self.write(chunk) # write the chunk to response
                            self.flush() # send the chunk to client
                        except iostream.StreamClosedError:
                            # this means the client has closed the connection
                            # so break the loop
                            break
                        finally:
                            # deleting the chunk is very important because
                            # if many clients are downloading files at the
                            # same time, the chunks in memory will keep
                            # increasing and will eat up the RAM
                            del chunk
                self.redirect('/panel/dashboard')
            else:
                self.redirect('/panel/error?error=No path found for support logs')
                return

        elif page == "support_logs":
            logger.info(f"Support logs requested. Packinging logs for user with ID: {exec_user['user_id']}")
            logs_thread = threading.Thread(target=self.controller.package_support_logs,
                                           daemon=True,
                                           args=(exec_user,),
                                           name=f"{exec_user['user_id']}_logs_thread")
            logs_thread.start()
            self.redirect('/panel/dashboard')
            return



        self.render(
            template,
            data=page_data,
            time=time,
            utc_offset=(time.timezone * -1 / 60 / 60),
            translate=self.translator.translate,
        )

    @tornado.web.authenticated
    def post(self, page):
        # pylint: disable=unused-variable
        api_key, token_data, exec_user = self.current_user
        superuser = exec_user['superuser']
        if api_key is not None:
            superuser = superuser and api_key.superuser

        server_id = self.get_argument('id', None)
        permissions = {
                'Commands': Enum_Permissions_Server.Commands,
                'Terminal': Enum_Permissions_Server.Terminal,
                'Logs': Enum_Permissions_Server.Logs,
                'Schedule': Enum_Permissions_Server.Schedule,
                'Backup': Enum_Permissions_Server.Backup,
                'Files': Enum_Permissions_Server.Files,
                'Config': Enum_Permissions_Server.Config,
                'Players': Enum_Permissions_Server.Players,
            }
        exec_user_role = set()
        if superuser:
            # defined_servers = self.controller.list_defined_servers()
            exec_user_role.add("Super User")
            exec_user_crafty_permissions = self.controller.crafty_perms.list_defined_crafty_permissions()
        else:
            exec_user_crafty_permissions = self.controller.crafty_perms.get_crafty_permissions_list(exec_user["user_id"])
            # defined_servers = self.controller.servers.get_authorized_servers(exec_user["user_id"])
            for r in exec_user['roles']:
                role = self.controller.roles.get_role(r)
                exec_user_role.add(role['role_name'])

        if page == 'server_detail':
            if not permissions['Config'] in self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"], server_id):
                if not superuser:
                    self.redirect("/panel/error?error=Unauthorized access to Config")
                    return
            server_name = self.get_argument('server_name', None)
            server_obj = self.controller.servers.get_server_obj(server_id)
            if superuser:
                server_path = self.get_argument('server_path', None)
                if helper.is_os_windows():
                    server_path.replace(' ', '^ ')
                    server_path = helper.wtol_path(server_path)
                log_path = self.get_argument('log_path', None)
                if helper.is_os_windows():
                    log_path.replace(' ', '^ ')
                    log_path = helper.wtol_path(log_path)
                executable = self.get_argument('executable', None)
                execution_command = self.get_argument('execution_command', None)
                server_ip = self.get_argument('server_ip', None)
                server_port = self.get_argument('server_port', None)
                executable_update_url = self.get_argument('executable_update_url', None)
            else:
                execution_command = server_obj.execution_command
                executable = server_obj.executable
            stop_command = self.get_argument('stop_command', None)
            auto_start_delay = self.get_argument('auto_start_delay', '10')
            auto_start = int(float(self.get_argument('auto_start', '0')))
            crash_detection = int(float(self.get_argument('crash_detection', '0')))
            logs_delete_after = int(float(self.get_argument('logs_delete_after', '0')))
            # subpage = self.get_argument('subpage', None)

            server_id = self.check_server_id()
            if server_id is None:
                return

            server_obj = self.controller.servers.get_server_obj(server_id)
            stale_executable = server_obj.executable
            #Compares old jar name to page data being passed. If they are different we replace the executable name in the
            if str(stale_executable) != str(executable):
                execution_command = execution_command.replace(str(stale_executable), str(executable))

            server_obj.server_name = server_name
            if superuser:
                if helper.validate_traversal(helper.get_servers_root_dir(), server_path):
                    server_obj.path = server_path
                    server_obj.log_path = log_path
                if helper.validate_traversal(helper.get_servers_root_dir(), executable):
                    server_obj.executable = executable
                server_obj.execution_command = execution_command
                server_obj.server_ip = server_ip
                server_obj.server_port = server_port
                server_obj.executable_update_url = executable_update_url
            else:
                server_obj.path = server_obj.path
                server_obj.log_path = server_obj.log_path
                server_obj.executable = server_obj.executable
                print(server_obj.execution_command)
                server_obj.execution_command = server_obj.execution_command
                server_obj.server_ip = server_obj.server_ip
                server_obj.server_port = server_obj.server_port
                server_obj.executable_update_url = server_obj.executable_update_url
            server_obj.stop_command = stop_command
            server_obj.auto_start_delay = auto_start_delay
            server_obj.auto_start = auto_start
            server_obj.crash_detection = crash_detection
            server_obj.logs_delete_after = logs_delete_after
            self.controller.servers.update_server(server_obj)

            self.controller.refresh_server_settings(server_id)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited server {server_id} named {server_name}",
                                       server_id,
                                       self.get_remote_ip())

            self.redirect(f"/panel/server_detail?id={server_id}&subpage=config")

        if page == "server_backup":
            logger.debug(self.request.arguments)
            server_id = self.get_argument('id', None)
            server_obj = self.controller.servers.get_server_obj(server_id)
            if superuser:
                backup_path = bleach.clean(self.get_argument('backup_path', None))
                if helper.is_os_windows():
                    backup_path.replace(' ', '^ ')
                    backup_path = helper.wtol_path(backup_path)
            else:
                backup_path = server_obj.backup_path
            max_backups = bleach.clean(self.get_argument('max_backups', None))

            if not permissions['Backup'] in self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"], server_id):
                if not superuser:
                    self.redirect("/panel/error?error=Unauthorized access: User not authorized")
                return
            elif server_id is None:
                self.redirect("/panel/error?error=Invalid Server ID")
                return
            else:
                # does this server id exist?
                if not self.controller.servers.server_id_exists(server_id):
                    self.redirect("/panel/error?error=Invalid Server ID")
                    return

            server_obj = self.controller.servers.get_server_obj(server_id)
            server_obj.backup_path = backup_path
            self.controller.servers.update_server(server_obj)
            self.controller.management.set_backup_config(server_id, max_backups=max_backups)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited server {server_id}: updated backups",
                                       server_id,
                                       self.get_remote_ip())
            self.tasks_manager.reload_schedule_from_db()
            self.redirect(f"/panel/server_detail?id={server_id}&subpage=backup")


        if page == "new_schedule":
            server_id = bleach.clean(self.get_argument('id', None))
            difficulty = bleach.clean(self.get_argument('difficulty', None))
            server_obj = self.controller.servers.get_server_obj(server_id)
            enabled = bleach.clean(self.get_argument('enabled', '0'))
            if difficulty == 'basic':
                action = bleach.clean(self.get_argument('action', None))
                interval = bleach.clean(self.get_argument('interval', None))
                interval_type = bleach.clean(self.get_argument('interval_type', None))
                #only check for time if it's number of days
                if interval_type == "days":
                    sch_time = bleach.clean(self.get_argument('time', None))
                if action == "command":
                    command = bleach.clean(self.get_argument('command', None))
                elif action == "start":
                    command = "start_server"
                elif action == "stop":
                    command = "stop_server"
                elif action == "restart":
                    command = "restart_server"
                elif action == "backup":
                    command = "backup_server"
            else:
                interval_type = ''
                cron_string = bleach.clean(self.get_argument('cron', ''))
                try:
                    CronValidator.parse(cron_string)
                except Exception as e:
                    self.redirect(f"/panel/error?error=INVALID FORMAT: Invalid Cron Format. {e}")
                    return
                action = bleach.clean(self.get_argument('action', None))
                if action == "command":
                    command = bleach.clean(self.get_argument('command', None))
                elif action == "start":
                    command = "start_server"
                elif action == "stop":
                    command = "stop_server"
                elif action == "restart":
                    command = "restart_server"
                elif action == "backup":
                    command = "backup_server"
            if bleach.clean(self.get_argument('enabled', '0')) == '1':
                enabled = True
            else:
                enabled = False
            if bleach.clean(self.get_argument('one_time', '0')) == '1':
                one_time = True
            else:
                one_time = False

            if not superuser and not permissions['Backup'] in self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"],
            server_id):
                self.redirect("/panel/error?error=Unauthorized access: User not authorized")
                return
            elif server_id is None:
                self.redirect("/panel/error?error=Invalid Server ID")
                return
            else:
                # does this server id exist?
                if not self.controller.servers.server_id_exists(server_id):
                    self.redirect("/panel/error?error=Invalid Server ID")
                    return

                if interval_type == "days":
                    job_data = {
                        "server_id": server_id,
                        "action": action,
                        "interval_type": interval_type,
                        "interval": interval,
                        "command": command,
                        "start_time": sch_time,
                        "enabled": enabled,
                        "one_time": one_time,
                        "cron_string": ''
                    }
                elif difficulty == "advanced":
                    job_data = {
                        "server_id": server_id,
                        "action": action,
                        "interval_type": '',
                        "interval": '',
                        #We'll base every interval off of a midnight start time.
                        "start_time": '',
                        "command": command,
                        "cron_string": cron_string,
                        "enabled": enabled,
                        "one_time": one_time
                    }
                else:
                    job_data = {
                        "server_id": server_id,
                        "action": action,
                        "interval_type": interval_type,
                        "interval": interval,
                        "command": command,
                        "enabled": enabled,
                        #We'll base every interval off of a midnight start time.
                        "start_time": '00:00',
                        "one_time": one_time,
                        "cron_string": ''
                    }

                self.tasks_manager.schedule_job(job_data)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited server {server_id}: added scheduled job",
                                       server_id,
                                       self.get_remote_ip())
            self.tasks_manager.reload_schedule_from_db()
            self.redirect(f"/panel/server_detail?id={server_id}&subpage=tasks")


        if page == "edit_schedule":
            server_id = bleach.clean(self.get_argument('id', None))
            difficulty = bleach.clean(self.get_argument('difficulty', None))
            server_obj = self.controller.servers.get_server_obj(server_id)
            enabled = bleach.clean(self.get_argument('enabled', '0'))
            if difficulty == 'basic':
                action = bleach.clean(self.get_argument('action', None))
                interval = bleach.clean(self.get_argument('interval', None))
                interval_type = bleach.clean(self.get_argument('interval_type', None))
                #only check for time if it's number of days
                if interval_type == "days":
                    sch_time = bleach.clean(self.get_argument('time', None))
                if action == "command":
                    command = bleach.clean(self.get_argument('command', None))
                elif action == "start":
                    command = "start_server"
                elif action == "stop":
                    command = "stop_server"
                elif action == "restart":
                    command = "restart_server"
                elif action == "backup":
                    command = "backup_server"
            else:
                interval_type = ''
                cron_string = bleach.clean(self.get_argument('cron', ''))
                sch_id = self.get_argument('sch_id', None)
                try:
                    CronValidator.parse(cron_string)
                except Exception as e:
                    self.redirect(f"/panel/error?error=INVALID FORMAT: Invalid Cron Format. {e}")
                    return
                action = bleach.clean(self.get_argument('action', None))
                if action == "command":
                    command = bleach.clean(self.get_argument('command', None))
                elif action == "start":
                    command = "start_server"
                elif action == "stop":
                    command = "stop_server"
                elif action == "restart":
                    command = "restart_server"
                elif action == "backup":
                    command = "backup_server"
            if bleach.clean(self.get_argument('enabled', '0'))=='1':
                enabled = True
            else:
                enabled = False
            if bleach.clean(self.get_argument('one_time', '0')) == '1':
                one_time = True
            else:
                one_time = False

            if not superuser and not permissions['Backup'] in self.controller.server_perms.get_user_id_permissions_list(exec_user["user_id"],
            server_id):
                self.redirect("/panel/error?error=Unauthorized access: User not authorized")
                return
            elif server_id is None:
                self.redirect("/panel/error?error=Invalid Server ID")
                return
            else:
                # does this server id exist?
                if not self.controller.servers.server_id_exists(server_id):
                    self.redirect("/panel/error?error=Invalid Server ID")
                    return

                if interval_type == "days":
                    job_data = {
                        "server_id": server_id,
                        "action": action,
                        "interval_type": interval_type,
                        "interval": interval,
                        "command": command,
                        "start_time": sch_time,
                        "enabled": enabled,
                        "one_time": one_time,
                        "cron_string": ''
                    }
                elif difficulty == "advanced":
                    job_data = {
                        "server_id": server_id,
                        "action": action,
                        "interval_type": '',
                        "interval": '',
                        #We'll base every interval off of a midnight start time.
                        "start_time": '',
                        "command": command,
                        "cron_string": cron_string,
                        "enabled": enabled,
                        "one_time": one_time
                    }
                else:
                    job_data = {
                        "server_id": server_id,
                        "action": action,
                        "interval_type": interval_type,
                        "interval": interval,
                        "command": command,
                        "enabled": enabled,
                        #We'll base every interval off of a midnight start time.
                        "start_time": '00:00',
                        "one_time": one_time,
                        "cron_string": ''
                    }
                sch_id = self.get_argument('sch_id', None)
                self.tasks_manager.update_job(sch_id, job_data)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited server {server_id}: updated schedule",
                                       server_id,
                                       self.get_remote_ip())
            self.tasks_manager.reload_schedule_from_db()
            self.redirect(f"/panel/server_detail?id={server_id}&subpage=tasks")


        elif page == "edit_user":
            if bleach.clean(self.get_argument('username', None)) == 'system':
                self.redirect("/panel/error?error=Unauthorized access: system user is not editable")
            user_id = bleach.clean(self.get_argument('id', None))
            username = bleach.clean(self.get_argument('username', None))
            password0 = bleach.clean(self.get_argument('password0', None))
            password1 = bleach.clean(self.get_argument('password1', None))
            email = bleach.clean(self.get_argument('email', "default@example.com"))
            enabled = int(float(self.get_argument('enabled', '0')))
            lang = bleach.clean(self.get_argument('language'), helper.get_setting('language'))

            if superuser:
                #Checks if user is trying to change super user status of self. We don't want that.
                # Automatically make them stay super user since we know they are.
                if str(exec_user['user_id']) != str(user_id):
                    superuser = bleach.clean(self.get_argument('superuser', '0'))
                else:
                    superuser = '1'
            else:
                superuser = '0'
            if superuser == '1':
                superuser = True
            else:
                superuser = False

            if Enum_Permissions_Crafty.User_Config not in exec_user_crafty_permissions:
                if str(user_id) != str(exec_user["user_id"]):
                    self.redirect("/panel/error?error=Unauthorized access: not a user editor")
                    return

                user_data = {
                    "username": username,
                    "password": password0,
                    "lang": lang,
                }
                self.controller.users.update_user(user_id, user_data=user_data)

                self.controller.management.add_to_audit_log(exec_user['user_id'],
                                           f"Edited user {username} (UID:{user_id}) password",
                                           server_id=0,
                                           source_ip=self.get_remote_ip())
                self.redirect("/panel/panel_config")
                return
            elif username is None or username == "":
                self.redirect("/panel/error?error=Invalid username")
                return
            elif user_id is None:
                self.redirect("/panel/error?error=Invalid User ID")
                return
            else:
                # does this user id exist?
                if not self.controller.users.user_id_exists(user_id):
                    self.redirect("/panel/error?error=Invalid User ID")
                    return

            if password0 != password1:
                self.redirect("/panel/error?error=Passwords must match")
                return

            roles = self.get_user_role_memberships()
            permissions_mask, server_quantity = self.get_perms_quantity()

            # if email is None or "":
            #     email = "default@example.com"

            user_data = {
                "username": username,
                "password": password0,
                "email": email,
                "enabled": enabled,
                "roles": roles,
                "lang": lang,
                "superuser": superuser,
            }
            user_crafty_data = {
                "permissions_mask": permissions_mask,
                "server_quantity": server_quantity
            }
            self.controller.users.update_user(user_id, user_data=user_data, user_crafty_data=user_crafty_data)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited user {username} (UID:{user_id}) with roles {roles} and permissions {permissions_mask}",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")

        elif page == "edit_user_apikeys":
            user_id = self.get_argument('id', None)
            name = self.get_argument('name', None)
            superuser = self.get_argument('superuser', None) == '1'

            if name is None or name == "":
                self.redirect("/panel/error?error=Invalid API key name")
                return
            elif user_id is None:
                self.redirect("/panel/error?error=Invalid User ID")
                return
            else:
                # does this user id exist?
                if not self.controller.users.user_id_exists(user_id):
                    self.redirect("/panel/error?error=Invalid User ID")
                    return

            crafty_permissions_mask = self.get_perms()
            server_permissions_mask = self.get_perms_server()

            self.controller.users.add_user_api_key(name, user_id, superuser, crafty_permissions_mask, server_permissions_mask)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                                        f"Added API key {name} with crafty permissions {crafty_permissions_mask}" +
                                                        f" and {server_permissions_mask} for user with UID: {user_id}",
                                                        server_id=0,
                                                        source_ip=self.get_remote_ip())
            self.redirect(f"/panel/edit_user_apikeys?id={user_id}")

        elif page == "get_token":
            key_id = self.get_argument('id', None)

            if key_id is None:
                self.redirect("/panel/error?error=Invalid Key ID")
                return
            else:
                key = self.controller.users.get_user_api_key(key_id)
                # does this user id exist?
                if key is None:
                    self.redirect("/panel/error?error=Invalid Key ID")
                    return

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                                        f"Generated a new API token for the key {key.name} from user with UID: {key.user.user_id}",
                                                        server_id=0,
                                                        source_ip=self.get_remote_ip())

            self.write(authentication.generate(key.user.user_id, {
                'token_id': key.token_id
            }))
            self.finish()


        elif page == "add_user":
            if bleach.clean(self.get_argument('username', None)).lower() == 'system':
                self.redirect("/panel/error?error=Unauthorized access: username system is reserved for the Crafty system." +
                              " Please choose a different username.")
                return
            username = bleach.clean(self.get_argument('username', None))
            password0 = bleach.clean(self.get_argument('password0', None))
            password1 = bleach.clean(self.get_argument('password1', None))
            email  = bleach.clean(self.get_argument('email', "default@example.com"))
            enabled = int(float(self.get_argument('enabled', '0')))
            lang = bleach.clean(self.get_argument('lang', helper.get_setting('language')))
            if superuser:
                superuser = bleach.clean(self.get_argument('superuser', '0'))
            else:
                superuser = '0'
            if superuser == '1':
                superuser = True
            else:
                superuser = False

            if Enum_Permissions_Crafty.User_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not a user editor")
                return
            elif username is None or username == "":
                self.redirect("/panel/error?error=Invalid username")
                return
            else:
                # does this user id exist?
                if self.controller.users.get_id_by_name(username) is not None:
                    self.redirect("/panel/error?error=User exists")
                    return

            if password0 != password1:
                self.redirect("/panel/error?error=Passwords must match")
                return

            roles = self.get_user_role_memberships()
            permissions_mask, server_quantity = self.get_perms_quantity()

            user_id = self.controller.users.add_user(username, password=password0, email=email, enabled=enabled, superuser=superuser)
            user_data = {
                "roles": roles,
                'lang': lang
            }
            user_crafty_data = {
                "permissions_mask": permissions_mask,
                "server_quantity": server_quantity
            }
            self.controller.users.update_user(user_id, user_data=user_data, user_crafty_data=user_crafty_data)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Added user {username} (UID:{user_id})",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited user {username} (UID:{user_id}) with roles {roles}",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")

        elif page == "edit_role":
            role_id = bleach.clean(self.get_argument('id', None))
            role_name = bleach.clean(self.get_argument('role_name', None))

            if Enum_Permissions_Crafty.Roles_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not a role editor")
                return
            elif role_name is None or role_name == "":
                self.redirect("/panel/error?error=Invalid username")
                return
            elif role_id is None:
                self.redirect("/panel/error?error=Invalid Role ID")
                return
            else:
                # does this user id exist?
                if not self.controller.roles.role_id_exists(role_id):
                    self.redirect("/panel/error?error=Invalid Role ID")
                    return

            servers = self.get_role_servers()
            permissions_mask = self.get_perms_server()

            role_data = {
                "role_name": role_name,
                "servers": servers
            }
            self.controller.roles.update_role(role_id, role_data=role_data, permissions_mask=permissions_mask)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited role {role_name} (RID:{role_id}) with servers {servers}",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")


        elif page == "add_role":
            role_name = bleach.clean(self.get_argument('role_name', None))

            if Enum_Permissions_Crafty.Roles_Config not in exec_user_crafty_permissions:
                self.redirect("/panel/error?error=Unauthorized access: not a role editor")
                return
            elif role_name is None or role_name == "":
                self.redirect("/panel/error?error=Invalid role name")
                return
            else:
                # does this user id exist?
                if self.controller.roles.get_roleid_by_name(role_name) is not None:
                    self.redirect("/panel/error?error=Role exists")
                    return

            servers = self.get_role_servers()
            permissions_mask = self.get_perms_server()

            role_id = self.controller.roles.add_role(role_name)
            self.controller.roles.update_role(role_id, {"servers": servers}, permissions_mask)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Added role {role_name} (RID:{role_id})",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                       f"Edited role {role_name} (RID:{role_id}) with servers {servers}",
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")

        else:
            self.set_status(404)
            page_data = {'lang': helper.get_setting('language')}
            self.render(
                "public/404.html",
                translate=self.translator.translate,
                data=page_data
            )

    @tornado.web.authenticated
    def delete(self, page):
        # pylint: disable=unused-variable
        api_key, token_data, exec_user = self.current_user
        superuser = exec_user['superuser']
        if api_key is not None:
            superuser = superuser and api_key.superuser

        page_data = {
            # todo: make this actually pull and compare version data
            'update_available': False,
            'version_data': helper.get_version_string(),
            'user_data': exec_user,
            'hosts_data': self.controller.management.get_latest_hosts_stats(),
            'show_contribute': helper.get_setting("show_contribute_link", True),
            'lang': self.controller.users.get_user_lang_by_id(exec_user["user_id"])
        }

        if page == "remove_apikey":
            key_id = bleach.clean(self.get_argument('id', None))

            if not superuser:
                self.redirect("/panel/error?error=Unauthorized access: not superuser")
                return
            elif key_id is None or self.controller.users.get_user_api_key(key_id) is None:
                self.redirect("/panel/error?error=Invalid Key ID")
                return
            else:
                # does this user id exist?
                target_key = self.controller.users.get_user_api_key(key_id)
                if not target_key:
                    self.redirect("/panel/error?error=Invalid Key ID")
                    return

            self.controller.users.delete_user_api_key(key_id)

            self.controller.management.add_to_audit_log(exec_user['user_id'],
                                                        f"Removed API key {target_key} (ID: {key_id}) from user {exec_user['user_id']}",
                                                        server_id=0,
                                                        source_ip=self.get_remote_ip())
            self.redirect("/panel/panel_config")
        else:
            self.set_status(404)
            self.render(
                "public/404.html",
                data=page_data,
                translate=self.translator.translate,
            )