d4-core/server/web/Flask_server.py

691 lines
26 KiB
Python
Executable File

#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import re
import sys
import uuid
import time
import json
import redis
import flask
import datetime
import ipaddress
import subprocess
from flask import Flask, render_template, jsonify, request, Blueprint, redirect, url_for
baseUrl = ''
if baseUrl != '':
baseUrl = '/'+baseUrl
host_redis_stream = "localhost"
port_redis_stream = 6379
default_max_entries_by_stream = 10000
analyzer_list_max_default_size = 10000
default_analyzer_max_line_len = 3000
json_type_description_path = os.path.join(os.environ['D4_HOME'], 'web/static/json/type.json')
redis_server_stream = redis.StrictRedis(
host=host_redis_stream,
port=port_redis_stream,
db=0,
decode_responses=True)
host_redis_metadata = "localhost"
port_redis_metadata= 6380
redis_server_metadata = redis.StrictRedis(
host=host_redis_metadata,
port=port_redis_metadata,
db=0,
decode_responses=True)
redis_server_analyzer = redis.StrictRedis(
host=host_redis_metadata,
port=port_redis_metadata,
db=2,
decode_responses=True)
with open(json_type_description_path, 'r') as f:
json_type = json.loads(f.read())
json_type_description = {}
for type_info in json_type:
json_type_description[type_info['type']] = type_info
app = Flask(__name__, static_url_path=baseUrl+'/static/')
app.config['MAX_CONTENT_LENGTH'] = 900 * 1024 * 1024
# ========== FUNCTIONS ============
def is_valid_uuid_v4(header_uuid):
try:
header_uuid=header_uuid.replace('-', '')
uuid_test = uuid.UUID(hex=header_uuid, version=4)
return uuid_test.hex == header_uuid
except:
return False
def is_valid_ip(ip):
try:
ipaddress.ip_address(ip)
return True
except ValueError:
return False
def is_valid_network(ip_network):
try:
ipaddress.ip_network(ip_network)
return True
except ValueError:
return False
# server_management input handler
def get_server_management_input_handler_value(value):
if value is not None:
if value !="0":
try:
value=int(value)
except:
value=0
else:
value=0
return value
def get_json_type_description():
return json_type_description
def get_whois_ouput(ip):
if is_valid_ip(ip):
process = subprocess.run(["whois", ip], stdout=subprocess.PIPE)
return re.sub(r"#.*\n?", '', process.stdout.decode()).lstrip('\n').rstrip('\n')
else:
return ''
# ========== ERRORS ============
@app.errorhandler(404)
def page_not_found(e):
return render_template('404.html'), 404
# ========== ROUTES ============
@app.route('/')
def index():
date = datetime.datetime.now().strftime("%Y/%m/%d")
return render_template("index.html", date=date)
@app.route('/_json_daily_uuid_stats')
def _json_daily_uuid_stats():
date = datetime.datetime.now().strftime("%Y%m%d")
daily_uuid = redis_server_metadata.zrange('daily_uuid:{}'.format(date), 0, -1, withscores=True)
data_daily_uuid = []
for result in daily_uuid:
data_daily_uuid.append({"key": result[0], "value": int(result[1])})
return jsonify(data_daily_uuid)
@app.route('/_json_daily_type_stats')
def _json_daily_type_stats():
date = datetime.datetime.now().strftime("%Y%m%d")
daily_uuid = redis_server_metadata.zrange('daily_type:{}'.format(date), 0, -1, withscores=True)
json_type_description = get_json_type_description()
data_daily_uuid = []
for result in daily_uuid:
try:
type_description = json_type_description[int(result[0])]['description']
except:
type_description = 'Please update your web server'
data_daily_uuid.append({"key": '{}: {}'.format(result[0], type_description), "value": int(result[1])})
return jsonify(data_daily_uuid)
@app.route('/sensors_status')
def sensors_status():
active_connection_filter = request.args.get('active_connection_filter')
if active_connection_filter is None:
active_connection_filter = False
else:
if active_connection_filter=='True':
active_connection_filter = True
else:
active_connection_filter = False
date = datetime.datetime.now().strftime("%Y%m%d")
if not active_connection_filter:
daily_uuid = redis_server_metadata.zrange('daily_uuid:{}'.format(date), 0, -1)
else:
daily_uuid = redis_server_stream.smembers('active_connection')
status_daily_uuid = []
for result in daily_uuid:
first_seen = redis_server_metadata.hget('metadata_uuid:{}'.format(result), 'first_seen')
first_seen_gmt = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(first_seen)))
last_seen = redis_server_metadata.hget('metadata_uuid:{}'.format(result), 'last_seen')
last_seen_gmt = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(last_seen)))
if redis_server_metadata.sismember('blacklist_ip_by_uuid', result):
Error = "All IP using this UUID are Blacklisted"
elif redis_server_metadata.sismember('blacklist_uuid', result):
Error = "Blacklisted UUID"
else:
Error = redis_server_metadata.hget('metadata_uuid:{}'.format(result), 'Error')
if redis_server_stream.sismember('active_connection', result):
active_connection = True
else:
active_connection = False
if first_seen is not None and last_seen is not None:
status_daily_uuid.append({"uuid": result,"first_seen": first_seen, "last_seen": last_seen,
"active_connection": active_connection,
"first_seen_gmt": first_seen_gmt, "last_seen_gmt": last_seen_gmt, "Error": Error})
return render_template("sensors_status.html", status_daily_uuid=status_daily_uuid,
active_connection_filter=active_connection_filter)
@app.route('/show_active_uuid')
def show_active_uuid():
#swap switch value
active_connection_filter = request.args.get('show_active_connection')
if active_connection_filter is None:
active_connection_filter = True
else:
if active_connection_filter=='True':
active_connection_filter = False
else:
active_connection_filter = True
return redirect(url_for('sensors_status', active_connection_filter=active_connection_filter))
@app.route('/server_management')
def server_management():
blacklisted_ip = request.args.get('blacklisted_ip')
unblacklisted_ip = request.args.get('unblacklisted_ip')
blacklisted_uuid = request.args.get('blacklisted_uuid')
unblacklisted_uuid = request.args.get('unblacklisted_uuid')
blacklisted_ip = get_server_management_input_handler_value(blacklisted_ip)
unblacklisted_ip = get_server_management_input_handler_value(unblacklisted_ip)
blacklisted_uuid = get_server_management_input_handler_value(blacklisted_uuid)
unblacklisted_uuid = get_server_management_input_handler_value(unblacklisted_uuid)
json_type_description = get_json_type_description()
list_accepted_types = []
list_analyzer_types = []
for type in redis_server_metadata.smembers('server:accepted_type'):
try:
description = json_type_description[int(type)]['description']
except:
description = 'Please update your web server'
list_analyzer_uuid = []
for analyzer_uuid in redis_server_metadata.smembers('analyzer:{}'.format(type)):
size_limit = redis_server_metadata.hget('analyzer:{}'.format(analyzer_uuid), 'max_size')
if size_limit is None:
size_limit = analyzer_list_max_default_size
last_updated = redis_server_metadata.hget('analyzer:{}'.format(analyzer_uuid), 'last_updated')
if last_updated is None:
last_updated = 'Never'
len_queue = redis_server_analyzer.llen('analyzer:{}:{}'.format(type, analyzer_uuid))
if len_queue is None:
len_queue = 0
list_analyzer_uuid.append({'uuid': analyzer_uuid, 'size_limit': size_limit,'last_updated': last_updated, 'length': len_queue})
list_accepted_types.append({"id": int(type), "description": description, 'list_analyzer_uuid': list_analyzer_uuid})
list_accepted_extended_types = []
for extended_type in redis_server_metadata.smembers('server:accepted_extended_type'):
list_analyzer_uuid = []
for analyzer_uuid in redis_server_metadata.smembers('analyzer:254:{}'.format(extended_type)):
size_limit = redis_server_metadata.hget('analyzer:{}'.format(analyzer_uuid), 'max_size')
if size_limit is None:
size_limit = analyzer_list_max_default_size
last_updated = redis_server_metadata.hget('analyzer:{}'.format(analyzer_uuid), 'last_updated')
if last_updated is None:
last_updated = 'Never'
len_queue = redis_server_analyzer.llen('analyzer:{}:{}'.format(extended_type, analyzer_uuid))
if len_queue is None:
len_queue = 0
list_analyzer_uuid.append({'uuid': analyzer_uuid, 'size_limit': size_limit,'last_updated': last_updated, 'length': len_queue})
list_accepted_extended_types.append({"name": extended_type, 'list_analyzer_uuid': list_analyzer_uuid})
return render_template("server_management.html", list_accepted_types=list_accepted_types, list_accepted_extended_types=list_accepted_extended_types,
default_analyzer_max_line_len=default_analyzer_max_line_len,
blacklisted_ip=blacklisted_ip, unblacklisted_ip=unblacklisted_ip,
blacklisted_uuid=blacklisted_uuid, unblacklisted_uuid=unblacklisted_uuid)
@app.route('/uuid_management')
def uuid_management():
uuid_sensor = request.args.get('uuid')
if is_valid_uuid_v4(uuid_sensor):
first_seen = redis_server_metadata.hget('metadata_uuid:{}'.format(uuid_sensor), 'first_seen')
first_seen_gmt = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(first_seen)))
last_seen = redis_server_metadata.hget('metadata_uuid:{}'.format(uuid_sensor), 'last_seen')
last_seen_gmt = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(last_seen)))
Error = redis_server_metadata.hget('metadata_uuid:{}'.format(uuid_sensor), 'Error')
if redis_server_metadata.sismember('blacklist_uuid', uuid_sensor):
blacklisted_uuid = True
Error = "Blacklisted UUID"
else:
blacklisted_uuid = False
if redis_server_metadata.sismember('blacklist_ip_by_uuid', uuid_sensor):
blacklisted_ip_by_uuid = True
Error = "All IP using this UUID are Blacklisted"
else:
blacklisted_ip_by_uuid = False
data_uuid= {"first_seen": first_seen, "last_seen": last_seen,
"blacklisted_uuid": blacklisted_uuid, "blacklisted_ip_by_uuid": blacklisted_ip_by_uuid,
"first_seen_gmt": first_seen_gmt, "last_seen_gmt": last_seen_gmt, "Error": Error}
if redis_server_stream.sismember('active_connection', uuid_sensor):
active_connection = True
else:
active_connection = False
max_uuid_stream = redis_server_metadata.hget('stream_max_size_by_uuid', uuid_sensor)
if max_uuid_stream is not None:
max_uuid_stream = int(max_uuid_stream)
else:
max_uuid_stream = default_max_entries_by_stream
uuid_key = redis_server_metadata.hget('metadata_uuid:{}'.format(uuid_sensor), 'hmac_key')
if uuid_key is None:
uuid_key = redis_server_metadata.get('server:hmac_default_key')
list_ip = redis_server_metadata.lrange('list_uuid_ip:{}'.format(uuid_sensor), 0, -1)
all_ip = []
for elem in list_ip:
ip, d_time = elem.split('-')
all_ip.append({'ip': ip,'datetime': '{}/{}/{} - {}:{}.{}'.format(d_time[0:4], d_time[5:6], d_time[6:8], d_time[8:10], d_time[10:12], d_time[12:14])})
return render_template("uuid_management.html", uuid_sensor=uuid_sensor, active_connection=active_connection,
uuid_key=uuid_key, data_uuid=data_uuid, max_uuid_stream=max_uuid_stream, all_ip=all_ip)
else:
return 'Invalid uuid'
@app.route('/blacklisted_ip')
def blacklisted_ip():
blacklisted_ip = request.args.get('blacklisted_ip')
unblacklisted_ip = request.args.get('unblacklisted_ip')
try:
page = int(request.args.get('page'))
except:
page = 1
if page <= 0:
page = 1
nb_page_max = redis_server_metadata.scard('blacklist_ip')/(1000*2)
if isinstance(nb_page_max, float):
nb_page_max = int(nb_page_max)+1
if page > nb_page_max:
page = nb_page_max
start = 1000*(page -1)
stop = 1000*page
list_blacklisted_ip = list(redis_server_metadata.smembers('blacklist_ip'))
list_blacklisted_ip_1 = list_blacklisted_ip[start:stop]
list_blacklisted_ip_2 = list_blacklisted_ip[stop:stop+1000]
return render_template("blacklisted_ip.html", list_blacklisted_ip_1=list_blacklisted_ip_1, list_blacklisted_ip_2=list_blacklisted_ip_2,
page=page, nb_page_max=nb_page_max,
unblacklisted_ip=unblacklisted_ip, blacklisted_ip=blacklisted_ip)
@app.route('/blacklisted_uuid')
def blacklisted_uuid():
blacklisted_uuid = request.args.get('blacklisted_uuid')
unblacklisted_uuid = request.args.get('unblacklisted_uuid')
try:
page = int(request.args.get('page'))
except:
page = 1
if page <= 0:
page = 1
nb_page_max = redis_server_metadata.scard('blacklist_uuid')/(1000*2)
if isinstance(nb_page_max, float):
nb_page_max = int(nb_page_max)+1
if page > nb_page_max:
page = nb_page_max
start = 1000*(page -1)
stop = 1000*page
list_blacklisted_uuid = list(redis_server_metadata.smembers('blacklist_uuid'))
list_blacklisted_uuid_1 = list_blacklisted_uuid[start:stop]
list_blacklisted_uuid_2 = list_blacklisted_uuid[stop:stop+1000]
return render_template("blacklisted_uuid.html", list_blacklisted_uuid_1=list_blacklisted_uuid_1, list_blacklisted_uuid_2=list_blacklisted_uuid_2,
page=page, nb_page_max=nb_page_max,
unblacklisted_uuid=unblacklisted_uuid, blacklisted_uuid=blacklisted_uuid)
@app.route('/uuid_change_stream_max_size')
def uuid_change_stream_max_size():
uuid_sensor = request.args.get('uuid')
user = request.args.get('redirect')
max_uuid_stream = request.args.get('max_uuid_stream')
if is_valid_uuid_v4(uuid_sensor):
try:
max_uuid_stream = int(max_uuid_stream)
if max_uuid_stream < 0:
return 'stream max size, Invalid Integer'
except:
return 'stream max size, Invalid Integer'
redis_server_metadata.hset('stream_max_size_by_uuid', uuid_sensor, max_uuid_stream)
if user:
return redirect(url_for('uuid_management', uuid=uuid_sensor))
else:
return 'Invalid uuid'
# # TODO: check analyser uuid dont exist
@app.route('/add_new_analyzer')
def add_new_analyzer():
type = request.args.get('type')
user = request.args.get('redirect')
metatype_name = request.args.get('metatype_name')
analyzer_uuid = request.args.get('analyzer_uuid')
if is_valid_uuid_v4(analyzer_uuid):
try:
type = int(type)
if type < 0:
return 'type, Invalid Integer'
except:
return 'type, Invalid Integer'
if type == 254:
# # TODO: check metatype_name
redis_server_metadata.sadd('analyzer:{}:{}'.format(type, metatype_name), analyzer_uuid)
else:
redis_server_metadata.sadd('analyzer:{}'.format(type), analyzer_uuid)
if user:
return redirect(url_for('server_management'))
else:
return 'Invalid uuid'
@app.route('/empty_analyzer_queue')
def empty_analyzer_queue():
analyzer_uuid = request.args.get('analyzer_uuid')
type = request.args.get('type')
metatype_name = request.args.get('metatype_name')
user = request.args.get('redirect')
if is_valid_uuid_v4(analyzer_uuid):
try:
type = int(type)
if type < 0:
return 'type, Invalid Integer'
except:
return 'type, Invalid Integer'
if type == 254:
redis_server_analyzer.delete('analyzer:{}:{}'.format(metatype_name, analyzer_uuid))
else:
redis_server_analyzer.delete('analyzer:{}:{}'.format(type, analyzer_uuid))
if user:
return redirect(url_for('server_management'))
else:
return 'Invalid uuid'
@app.route('/remove_analyzer')
def remove_analyzer():
analyzer_uuid = request.args.get('analyzer_uuid')
type = request.args.get('type')
metatype_name = request.args.get('metatype_name')
user = request.args.get('redirect')
if is_valid_uuid_v4(analyzer_uuid):
try:
type = int(type)
if type < 0:
return 'type, Invalid Integer'
except:
return 'type, Invalid Integer'
if type == 254:
redis_server_metadata.srem('analyzer:{}:{}'.format(type, metatype_name), analyzer_uuid)
redis_server_analyzer.delete('analyzer:{}:{}'.format(metatype_name, analyzer_uuid))
else:
redis_server_metadata.srem('analyzer:{}'.format(type), analyzer_uuid)
redis_server_analyzer.delete('analyzer:{}:{}'.format(type, analyzer_uuid))
redis_server_metadata.delete('analyzer:{}'.format(analyzer_uuid))
if user:
return redirect(url_for('server_management'))
else:
return 'Invalid uuid'
@app.route('/analyzer_change_max_size')
def analyzer_change_max_size():
analyzer_uuid = request.args.get('analyzer_uuid')
user = request.args.get('redirect')
max_size_analyzer = request.args.get('max_size_analyzer')
if is_valid_uuid_v4(analyzer_uuid):
try:
max_size_analyzer = int(max_size_analyzer)
if max_size_analyzer < 0:
return 'analyzer max size, Invalid Integer'
except:
return 'analyzer max size, Invalid Integer'
redis_server_metadata.hset('analyzer:{}'.format(analyzer_uuid), 'max_size', max_size_analyzer)
if user:
return redirect(url_for('server_management'))
else:
return 'Invalid uuid'
@app.route('/blacklist_uuid')
def blacklist_uuid():
uuid_sensor = request.args.get('uuid')
user = request.args.get('redirect')
if is_valid_uuid_v4(uuid_sensor):
res = redis_server_metadata.sadd('blacklist_uuid', uuid_sensor)
if user=="0":
if res==0:
return redirect(url_for('server_management', blacklisted_uuid=2))
else:
return redirect(url_for('server_management', blacklisted_uuid=1))
elif user=="1":
return redirect(url_for('uuid_management', uuid=uuid_sensor))
else:
return "404"
else:
if user=="0":
return redirect(url_for('server_management', blacklisted_uuid=0))
return 'Invalid uuid'
@app.route('/unblacklist_uuid')
def unblacklist_uuid():
uuid_sensor = request.args.get('uuid')
user = request.args.get('redirect')
page = request.args.get('page')
if is_valid_uuid_v4(uuid_sensor):
res = redis_server_metadata.srem('blacklist_uuid', uuid_sensor)
if page:
return redirect(url_for('blacklisted_uuid', page=page))
if user=="0":
if res==0:
return redirect(url_for('server_management', unblacklisted_uuid=2))
else:
return redirect(url_for('server_management', unblacklisted_uuid=1))
elif user=="1":
return redirect(url_for('uuid_management', uuid=uuid_sensor))
else:
return "404"
else:
if user=="0":
return redirect(url_for('server_management', unblacklisted_uuid=0))
return 'Invalid uuid'
@app.route('/blacklist_ip')
def blacklist_ip():
ip = request.args.get('ip')
user = request.args.get('redirect')
if is_valid_ip(ip):
res = redis_server_metadata.sadd('blacklist_ip', ip)
if user:
if res==0:
return redirect(url_for('server_management', blacklisted_ip=2))
else:
return redirect(url_for('server_management', blacklisted_ip=1))
elif is_valid_network(ip):
for addr in ipaddress.ip_network(ip):
res = redis_server_metadata.sadd('blacklist_ip', str(addr))
if user:
if res==0:
return redirect(url_for('server_management', blacklisted_ip=2))
else:
return redirect(url_for('server_management', blacklisted_ip=1))
else:
if user:
return redirect(url_for('server_management', blacklisted_ip=0))
return 'Invalid ip'
@app.route('/unblacklist_ip')
def unblacklist_ip():
ip = request.args.get('ip')
user = request.args.get('redirect')
page = request.args.get('page')
if is_valid_ip(ip):
res = redis_server_metadata.srem('blacklist_ip', ip)
if page:
return redirect(url_for('blacklisted_ip', page=page))
if user:
if res==0:
return redirect(url_for('server_management', unblacklisted_ip=2))
else:
return redirect(url_for('server_management', unblacklisted_ip=1))
elif is_valid_network(ip):
for addr in ipaddress.ip_network(ip):
res = redis_server_metadata.srem('blacklist_ip', str(addr))
if user:
if res==0:
return redirect(url_for('server_management', unblacklisted_ip=2))
else:
return redirect(url_for('server_management', unblacklisted_ip=1))
else:
if user:
return redirect(url_for('server_management', unblacklisted_ip=0))
return 'Invalid ip'
@app.route('/blacklist_ip_by_uuid')
def blacklist_ip_by_uuid():
uuid_sensor = request.args.get('uuid')
user = request.args.get('redirect')
if is_valid_uuid_v4(uuid_sensor):
redis_server_metadata.sadd('blacklist_ip_by_uuid', uuid_sensor)
if user:
return redirect(url_for('uuid_management', uuid=uuid_sensor))
else:
return 'Invalid uuid'
@app.route('/unblacklist_ip_by_uuid')
def unblacklist_ip_by_uuid():
uuid_sensor = request.args.get('uuid')
user = request.args.get('redirect')
if is_valid_uuid_v4(uuid_sensor):
redis_server_metadata.srem('blacklist_ip_by_uuid', uuid_sensor)
if user:
return redirect(url_for('uuid_management', uuid=uuid_sensor))
else:
return 'Invalid uuid'
@app.route('/add_accepted_type')
def add_accepted_type():
type = request.args.get('type')
extended_type_name = request.args.get('extended_type_name')
user = request.args.get('redirect')
json_type_description = get_json_type_description()
try:
type = int(type)
except:
return 'Invalid type'
if json_type_description[int(type)]:
redis_server_metadata.sadd('server:accepted_type', type)
if type == 254:
redis_server_metadata.sadd('server:accepted_extended_type', extended_type_name)
if user:
return redirect(url_for('server_management'))
else:
return 'Invalid type'
@app.route('/remove_accepted_type')
def remove_accepted_type():
type = request.args.get('type')
user = request.args.get('redirect')
json_type_description = get_json_type_description()
if json_type_description[int(type)]:
redis_server_metadata.srem('server:accepted_type', type)
if user:
return redirect(url_for('server_management'))
else:
return 'Invalid type'
@app.route('/remove_accepted_extended_type')
def remove_accepted_extended_type():
type_name = request.args.get('type_name')
redis_server_metadata.srem('server:accepted_extended_type', type_name)
return redirect(url_for('server_management'))
# demo function
@app.route('/delete_data')
def delete_data():
date = datetime.datetime.now().strftime("%Y%m%d")
redis_server_metadata.delete('daily_type:{}'.format(date))
redis_server_metadata.delete('daily_uuid:{}'.format(date))
return render_template("index.html")
# demo function
@app.route('/set_uuid_hmac_key')
def set_uuid_hmac_key():
uuid_sensor = request.args.get('uuid')
user = request.args.get('redirect')
key = request.args.get('key')
redis_server_metadata.hset('metadata_uuid:{}'.format(uuid_sensor), 'hmac_key', key)
if user:
return redirect(url_for('uuid_management', uuid=uuid_sensor))
# demo function
@app.route('/whois_data')
def whois_data():
ip = request.args.get('ip')
if is_valid_ip:
return jsonify(get_whois_ouput(ip))
else:
return 'Invalid IP'
# demo function
@app.route('/get_analyser_sample')
def get_analyser_sample():
type = request.args.get('type')
analyzer_uuid = request.args.get('analyzer_uuid')
max_line_len = request.args.get('max_line_len')
# get max_line_len
if max_line_len is not None and max_line_len!= 'undefined':
try:
max_line_len = int(max_line_len)
except:
max_line_len = default_analyzer_max_line_len
if max_line_len < 1:
max_line_len = default_analyzer_max_line_len
else:
max_line_len = default_analyzer_max_line_len
if is_valid_uuid_v4(analyzer_uuid):
list_queue = redis_server_analyzer.lrange('analyzer:{}:{}'.format(type, analyzer_uuid), 0 ,10)
list_queue_res = []
for res in list_queue:
#limit line len
if len(res) > max_line_len:
res = '{} [...]'.format(res[:max_line_len])
list_queue_res.append('{}\n'.format(res))
return jsonify(''.join(list_queue_res))
else:
return jsonify('Incorrect UUID')
# Per meta-type visualization
@app.route('/mtype/<mhtype>')
def mtype_visu(mhtype):
if mhtype in redis_server_metadata.smembers('server:accepted_extended_type'):
return render_template('{}/index.html'.format(mhtype))
return render_template('404.html')
if __name__ == "__main__":
app.run(host='0.0.0.0', port=7000, threaded=True)