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

import json
import logging
import tornado.web
import tornado.escape
import bleach
import time
import datetime
import os

from tornado import iostream

from app.classes.shared.console import console
from app.classes.shared.models import Users, installer
from app.classes.web.base_handler import BaseHandler
from app.classes.shared.models import db_helper, server_permissions, Servers, Enum_Permissions_Server, crafty_permissions, Enum_Permissions_Crafty, Server_Stats
from app.classes.shared.helpers import helper

logger = logging.getLogger(__name__)


class PanelHandler(BaseHandler):

    @tornado.web.authenticated
    def get(self, page):
        error = bleach.clean(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'))

        exec_user_data = json.loads(self.get_secure_cookie("user_data"))
        exec_user_id = exec_user_data['user_id']
        exec_user = db_helper.get_user(exec_user_id)
        
        exec_user_role = set()
        if exec_user['superuser'] == 1:
            defined_servers = self.controller.list_defined_servers()
            exec_user_role.add("Super User")
            exec_user_crafty_permissions = self.controller.list_defined_crafty_permissions()
        else:
            exec_user_crafty_permissions = self.controller.get_crafty_permissions(exec_user_id)
            logger.debug(exec_user['roles'])
            for r in exec_user['roles']:
                role = db_helper.get_role(r)
                exec_user_role.add(role['role_name'])
            defined_servers = self.controller.list_authorized_servers(exec_user_id)

        page_data = {
            # todo: make this actually pull and compare version data
            'update_available': False,
            'version_data': helper.get_version_string(),
            'user_data': exec_user_data,
            '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': db_helper.get_latest_hosts_stats(),
            'show_contribute': helper.get_setting("show_contribute_link", True),
            'error': error,
            'time': formatted_time
        }

        # if no servers defined, let's go to the build server area
        if page_data['server_stats']['total'] == 0 and page != "error" and page != "credits" and page != "contribute":
            
            if Enum_Permissions_Crafty.Server_Creation not in exec_user_crafty_permissions and len(defined_servers) == 0:                
                logger.warning("User '" + exec_user['username'] + "#" + str(exec_user_id) + "' has access to 0 servers and is not a server creator")       
            else:
                self.set_status(301)
                self.redirect("/server/step1")
                return

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

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

        elif page == 'credits':
            with open(helper.credits_cache) as republic_credits_will_do:
                credits = json.load(republic_credits_will_do)
                page_data["patreons"] = credits["patreons"]
                page_data["staff"] = credits["staff"]
                page_data["translations"] = credits["translations"]
            template = "panel/credits.html"

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

        elif page == "remove_server":
            server_id = self.get_argument('id', None)

            if not exec_user['superuser']:
                self.redirect("/panel/error?error=Unauthorized access: not superuser")
                return
            elif server_id is None:
                self.redirect("/panel/error?error=Invalid Server ID")
                return

            server_data = self.controller.get_server_data(server_id)
            server_name = server_data['server_name']

            db_helper.add_to_audit_log(exec_user_data['user_id'],
                                       "Deleted server {} named {}".format(server_id, server_name),
                                       server_id,
                                       self.get_remote_ip())

            self.controller.remove_server(server_id)
            self.redirect("/panel/dashboard")
            return

        elif page == 'dashboard':
            if exec_user['superuser'] == 1:
                page_data['servers'] = db_helper.get_all_servers_stats()
                total_players = 0
                for server in db_helper.get_all_defined_servers():
                    total_players += len(self.controller.stats.get_server_players(server['server_id']))
                page_data['num_players'] = total_players
            else:
                user_auth = db_helper.get_authorized_servers_stats(exec_user_id)
                logger.debug("ASFR: {}".format(user_auth))
                page_data['servers'] = user_auth
                
            for s in page_data['servers']:
                try:
                    data = json.loads(s['int_ping_results'])
                    s['int_ping_results'] = data
                except:
                    pass

            template = "panel/dashboard.html"

        elif page == 'server_detail':
            server_id = self.get_argument('id', None)
            subpage = bleach.clean(self.get_argument('subpage', ""))

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

                if exec_user['superuser'] != 1:
                    if not db_helper.server_id_authorized(server_id, exec_user_id):
                        if not db_helper.server_id_authorized(int(server_id), exec_user_id):
                            self.redirect("/panel/error?error=Invalid Server ID")
                            return False

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

            if subpage not in valid_subpages:
                logger.debug('not a valid subpage')
                subpage = 'term'
            logger.debug('Subpage: "{}"'.format(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'] = db_helper.get_server_data_by_id(server_id)
            page_data['server_stats'] = db_helper.get_server_stats_by_id(server_id)
            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.get_server_permissions_foruser(exec_user_id, server_id)

            if subpage == "backup":
                page_data['backup_config'] = db_helper.get_backup_config(server_id)
                page_data['backup_list'] = server.list_backups()

            def get_banned_players_html():
                banned_players = helper.get_banned_players(server_id, db_helper)
                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 += """
                    <li class="playerItem banned">
                        <h3>{}</h3>
                        <span>Banned by {} for reason: {}</span>
                        <button onclick="send_command_to_server('pardon {}')" type="button" class="btn btn-danger">Unban</button>
                    </li>
                    """.format(player['name'], player['source'], player['reason'], player['name'])
                
                return html
            if subpage == "admin_controls":
                page_data['banned_players'] = get_banned_players_html()

            # template = "panel/server_details.html"
            template = "panel/server_{subpage}.html".format(subpage=subpage)

        elif page == 'download_backup':
            server_id = self.get_argument('id', None)
            file = self.get_argument('file', "")

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

                if exec_user['superuser'] != 1:
                    #if not db_helper.server_id_authorized(server_id, exec_user_id):
                    if not db_helper.server_id_authorized(int(server_id), exec_user_id):
                        self.redirect("/panel/error?error=Invalid Server ID")
                        return

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

            self.set_header('Content-Type', 'application/octet-stream')
            self.set_header('Content-Disposition', 'attachment; filename=' + file)
            chunk_size = 1024 * 1024 * 4 # 4 MiB

            with open(backup_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
            self.redirect("/panel/server_detail?id={}&subpage=backup".format(server_id))

        elif page == 'backup_now':
            server_id = self.get_argument('id', None)

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

                if exec_user['superuser'] != 1:
                    #if not db_helper.server_id_authorized(server_id, exec_user_id):
                    if not db_helper.server_id_authorized(int(server_id), exec_user_id):
                        self.redirect("/panel/error?error=Invalid Server ID")
                        return

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

        elif page == 'panel_config':
            auth_servers = {}
            auth_role_servers = {}
            users_list = []
            role_users = {}
            roles = db_helper.get_all_roles()
            role_servers = []
            user_roles = {}
            for user in db_helper.get_all_users():
                user_roles_list = db_helper.get_user_roles_names(user.user_id)
                user_servers = db_helper.get_authorized_servers(user.user_id)
                servers = []
                for server in user_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 = db_helper.get_role(role.role_id)
                for serv_id in role['servers']:
                    role_servers.append(db_helper.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

            if exec_user['superuser'] == 1:
                page_data['users'] = db_helper.get_all_users()
                page_data['roles'] = db_helper.get_all_roles()
            else:
                page_data['users'] = db_helper.user_query(exec_user['user_id'])
                page_data['roles'] = db_helper.user_role_query(exec_user['user_id'])

            for user in page_data['users']:
                if user.user_id != exec_user['user_id']:
                    user.api_token = "********"
            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']['enabled'] = True
            page_data['user']['superuser'] = False
            page_data['user']['api_token'] = "N/A"
            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'] = db_helper.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.list_defined_crafty_permissions()
            page_data['permissions_list'] = set()
            page_data['quantity_server'] = self.controller.list_all_crafty_permissions_quantity_limits()

            template = "panel/panel_edit_user.html"

        elif page == "edit_user":
            user_id = self.get_argument('id', None)
            role_servers = db_helper.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'] = db_helper.get_user(user_id)
            page_data['servers'] = servers
            page_data['role-servers'] = page_role_servers
            page_data['roles_all'] = db_helper.get_all_roles()
            page_data['servers_all'] = self.controller.list_defined_servers()
            page_data['permissions_all'] = self.controller.list_defined_crafty_permissions()
            page_data['permissions_list'] = self.controller.get_crafty_permissions(user_id)
            page_data['quantity_server'] = self.controller.list_crafty_permissions_quantity_limits(user_id)

            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 user_id != exec_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'] = "********"
            template = "panel/panel_edit_user.html"

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

            if not exec_user['superuser']:
                self.redirect("/panel/error?error=Unauthorized access: not superuser")
                return
            elif user_id is None:
                self.redirect("/panel/error?error=Invalid User ID")
                return
            else:
                # does this user id exist?
                target_user = db_helper.get_user(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

            db_helper.remove_user(user_id)

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

        elif page == "add_role":
            user_roles = {}
            for user in db_helper.get_all_users():
                user_roles_list = db_helper.get_user_roles_names(user.user_id)
                user_servers = db_helper.get_authorized_servers(user.user_id)
                data = {user.user_id: user_roles_list}
                user_roles.update(data)
            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'] = db_helper.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.list_defined_permissions()
            page_data['permissions_list'] = set()
            template = "panel/panel_edit_role.html"

        elif page == "edit_role":
            auth_servers = {}

            user_roles = {}
            for user in db_helper.get_all_users():
                user_roles_list = db_helper.get_user_roles_names(user.user_id)
                user_servers = db_helper.get_authorized_servers(user.user_id)
                data = {user.user_id: user_roles_list}
                user_roles.update(data)
            page_data['new_role'] = False
            role_id = self.get_argument('id', None)
            page_data['role'] = db_helper.get_role(role_id)
            page_data['servers_all'] = self.controller.list_defined_servers()
            page_data['permissions_all'] = self.controller.list_defined_permissions()
            page_data['permissions_list'] = self.controller.get_role_permissions(role_id)
            page_data['user-roles'] = user_roles
            page_data['users'] = db_helper.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 exec_user['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 = db_helper.get_role(role_id)
                if not target_role:
                    self.redirect("/panel/error?error=Invalid Role ID")
                    return

            db_helper.remove_role(role_id)

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

        elif page == "activity_logs":
            page_data['audit_logs'] = db_helper.get_actity_log()

            template = "panel/activity_logs.html"

        elif page == 'download_file':
            server_id = self.get_argument('id', None)
            file = self.get_argument('path', "")
            name = self.get_argument('name', "")

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

                if exec_user['superuser'] != 1:
                    #if not db_helper.server_id_authorized(server_id, exec_user_id):
                    if not db_helper.server_id_authorized(int(server_id), exec_user_id):
                        self.redirect("/panel/error?error=Invalid Server ID")
                        return

            server_info = db_helper.get_server_data_by_id(server_id)

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

            self.set_header('Content-Type', 'application/octet-stream')
            self.set_header('Content-Disposition', '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
            self.redirect("/panel/server_detail?id={}&subpage=files".format(server_id))


        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):
        exec_user_data = json.loads(self.get_secure_cookie("user_data"))
        exec_user_id = exec_user_data['user_id']
        exec_user = db_helper.get_user(exec_user_id)

        exec_user_role = set()
        if exec_user['superuser'] == 1:
            defined_servers = self.controller.list_defined_servers()
            exec_user_role.add("Super User")
            exec_user_crafty_permissions = self.controller.list_defined_crafty_permissions()
        else:
            exec_user_crafty_permissions = self.controller.get_crafty_permissions(exec_user_id)
            defined_servers = self.controller.list_authorized_servers(exec_user_id)
            for r in exec_user['roles']:
                role = db_helper.get_role(r)
                exec_user_role.add(role['role_name'])

        if page == 'server_detail':
            server_id = self.get_argument('id', None)
            server_name = self.get_argument('server_name', None)
            server_path = self.get_argument('server_path', None)
            log_path = self.get_argument('log_path', None)
            executable = self.get_argument('executable', None)
            execution_command = self.get_argument('execution_command', None)
            stop_command = self.get_argument('stop_command', None)
            auto_start_delay = self.get_argument('auto_start_delay', '10')
            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)
            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)

            if not exec_user['superuser']:
                if not db_helper.server_id_authorized(server_id, exec_user_id):
                    self.redirect("/panel/error?error=Unauthorized access: invalid server id")
                    return
            elif server_id is None:
                self.redirect("/panel/error?error=Invalid Server ID")
                return
            else:
                # does this server id exist?
                if not db_helper.server_id_exists(server_id):
                    self.redirect("/panel/error?error=Invalid Server ID")
                    return

            Servers.update({
                Servers.server_name: server_name,
                Servers.path: server_path,
                Servers.log_path: log_path,
                Servers.executable: executable,
                Servers.execution_command: execution_command,
                Servers.stop_command: stop_command,
                Servers.auto_start_delay: auto_start_delay,
                Servers.server_ip: server_ip,
                Servers.server_port: server_port,
                Servers.auto_start: auto_start,
                Servers.executable_update_url: executable_update_url,
                Servers.crash_detection: crash_detection,
                Servers.logs_delete_after: logs_delete_after,
            }).where(Servers.server_id == server_id).execute()

            self.controller.refresh_server_settings(server_id)

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

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

        if page == "server_backup":
            logger.debug(self.request.arguments)
            server_id = self.get_argument('id', None)
            backup_path = bleach.clean(self.get_argument('backup_path', None))
            max_backups = bleach.clean(self.get_argument('max_backups', None))
            enabled = int(float(bleach.clean(self.get_argument('auto_enabled'), '0')))

            if not exec_user['superuser']:
                self.redirect("/panel/error?error=Unauthorized access: not superuser")
                return
            elif server_id is None:
                self.redirect("/panel/error?error=Invalid Server ID")
                return
            else:
                # does this server id exist?
                if not db_helper.server_id_exists(server_id):
                    self.redirect("/panel/error?error=Invalid Server ID")
                    return

            if backup_path is not None:
                Servers.update({
                    Servers.backup_path: backup_path
                }).where(Servers.server_id == server_id).execute()
                db_helper.set_backup_config(server_id, max_backups=max_backups)

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

        elif page == "edit_user":
            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))
            enabled = int(float(self.get_argument('enabled', '0')))
            regen_api = int(float(self.get_argument('regen_api', '0')))

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

                user_data = {
                    "username": username,
                    "password": password0,
                }
                db_helper.update_user(user_id, user_data=user_data)

                db_helper.add_to_audit_log(exec_user['user_id'],
                                           "Edited user {} (UID:{}) password".format(username,
                                                                                                         user_id),
                                           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 db_helper.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 = set()
            for role in db_helper.get_all_roles():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('role_{}_membership'.format(role.role_id), '0')
                    )
                ))
                if argument:
                    roles.add(role.role_id)

            permissions_mask = "000"
            server_quantity = {}
            for permission in self.controller.list_defined_crafty_permissions():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('permission_{}'.format(permission.name), '0')
                    )
                ))
                if argument:
                    permissions_mask = crafty_permissions.set_permission(permissions_mask, permission, argument)

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

            user_data = {
                "username": username,
                "password": password0,
                "enabled": enabled,
                "regen_api": regen_api,
                "roles": roles,
            }
            user_crafty_data = {
                "permissions_mask": permissions_mask,
                "server_quantity": server_quantity
            }
            db_helper.update_user(user_id, user_data=user_data, user_crafty_data=user_crafty_data)

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


        elif page == "add_user":
            username = bleach.clean(self.get_argument('username', None))
            password0 = bleach.clean(self.get_argument('password0', None))
            password1 = bleach.clean(self.get_argument('password1', None))
            enabled = int(float(self.get_argument('enabled', '0')))

            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 db_helper.get_user_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 = set()
            for role in db_helper.get_all_roles():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('role_{}_membership'.format(role.role_id), '0')
                    )
                ))
                if argument:
                    roles.add(role.role_id)
 
            permissions_mask = "000"
            server_quantity = {}
            for permission in self.controller.list_defined_crafty_permissions():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('permission_{}'.format(permission.name), '0')
                    )
                ))
                if argument:
                    permissions_mask = crafty_permissions.set_permission(permissions_mask, permission, argument)
                    
                q_argument = int(float(
                    bleach.clean(
                        self.get_argument('quantity_{}'.format(permission.name), '0')
                    )
                ))
                if q_argument:
                    server_quantity[permission.name] = q_argument
                else:
                    server_quantity[permission.name] = 0

            user_id = db_helper.add_user(username, password=password0, enabled=enabled)
            user_data = {
                "roles": roles,
            }
            user_crafty_data = {
                "permissions_mask": permissions_mask,
                "server_quantity": server_quantity
            }
            db_helper.update_user(user_id, user_data=user_data, user_crafty_data=user_crafty_data)

            db_helper.add_to_audit_log(exec_user['user_id'],
                                       "Added user {} (UID:{})".format(username, user_id),
                                       server_id=0,
                                       source_ip=self.get_remote_ip())
            db_helper.add_to_audit_log(exec_user['user_id'],
                                       "Edited user {} (UID:{}) with roles {}".format(username, user_id, 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 db_helper.role_id_exists(role_id):
                    self.redirect("/panel/error?error=Invalid Role ID")
                    return

            servers = set()
            for server in self.controller.list_defined_servers():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('server_{}_access'.format(server['server_id']), '0')
                    )
                ))
                if argument:
                    servers.add(server['server_id'])
                    
            permissions_mask = "00000000"
            for permission in self.controller.list_defined_permissions():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('permission_{}'.format(permission.name), '0')
                    )
                ))
                if argument:
                    permissions_mask = server_permissions.set_permission(permissions_mask, permission, argument)

            role_data = {
                "role_name": role_name,
                "servers": servers
            }
            db_helper.update_role(role_id, role_data=role_data, permissions_mask=permissions_mask)

            db_helper.add_to_audit_log(exec_user['user_id'],
                                       "Edited role {} (RID:{}) with servers {}".format(role_name, role_id, 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 db_helper.get_roleid_by_name(role_name) is not None:
                    self.redirect("/panel/error?error=Role exists")
                    return

            servers = set()
            for server in self.controller.list_defined_servers():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('server_{}_access'.format(server['server_id']), '0')
                    )
                ))
                if argument:
                    servers.add(server['server_id'])
                    
            permissions_mask = "00000000"
            for permission in self.controller.list_defined_permissions():
                argument = int(float(
                    bleach.clean(
                        self.get_argument('permission_{}'.format(permission.name), '0')
                    )
                ))
                if argument:
                    permissions_mask = server_permissions.set_permission(permissions_mask, permission, argument)

            role_id = db_helper.add_role(role_name)
            db_helper.update_role(role_id, {"servers": servers}, permissions_mask)

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

        else:
            self.set_status(404)
            self.render(
                "public/404.html",
                translate=self.translator.translate,
            )