AIL-framework/var/www/Flask_server.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
import os
import re
import sys
import ssl
import json
import time
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import redis
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import random
import logging
import logging.handlers
import configparser
from flask import Flask, render_template, jsonify, request, Request, Response, session, redirect, url_for
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from flask_login import LoginManager, current_user, login_user, logout_user, login_required
import bcrypt
import flask
import importlib
from os.path import join
sys.path.append(os.path.join(os.environ['AIL_BIN'], 'packages/'))
sys.path.append('./modules/')
import Paste
from Date import Date
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from User import User
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from pytaxonomies import Taxonomies
# Import config
import Flask_config
# Import Role_Manager
from Role_Manager import create_user_db, check_password_strength, check_user_role_integrity
from Role_Manager import login_admin, login_analyst
Flask_dir = os.environ['AIL_FLASK']
# CONFIG #
cfg = Flask_config.cfg
baseUrl = cfg.get("Flask", "baseurl")
baseUrl = baseUrl.replace('/', '')
if baseUrl != '':
baseUrl = '/'+baseUrl
# ========= REDIS =========#
r_serv_db = redis.StrictRedis(
host=cfg.get("ARDB_DB", "host"),
port=cfg.getint("ARDB_DB", "port"),
db=cfg.getint("ARDB_DB", "db"),
decode_responses=True)
r_serv_tags = redis.StrictRedis(
host=cfg.get("ARDB_Tags", "host"),
port=cfg.getint("ARDB_Tags", "port"),
db=cfg.getint("ARDB_Tags", "db"),
decode_responses=True)
r_cache = redis.StrictRedis(
host=cfg.get("Redis_Cache", "host"),
port=cfg.getint("Redis_Cache", "port"),
db=cfg.getint("Redis_Cache", "db"),
decode_responses=True)
# logs
log_dir = os.path.join(os.environ['AIL_HOME'], 'logs')
if not os.path.isdir(log_dir):
os.makedirs(logs_dir)
# log_filename = os.path.join(log_dir, 'flask_server.logs')
# logger = logging.getLogger()
# formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
# handler_log = logging.handlers.TimedRotatingFileHandler(log_filename, when="midnight", interval=1)
# handler_log.suffix = '%Y-%m-%d.log'
# handler_log.setFormatter(formatter)
# handler_log.setLevel(30)
# logger.addHandler(handler_log)
# logger.setLevel(30)
# ========= =========#
# ========= TLS =========#
ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
ssl_context.load_cert_chain(certfile=os.path.join(Flask_dir, 'server.crt'), keyfile=os.path.join(Flask_dir, 'server.key'))
#print(ssl_context.get_ciphers())
# ========= =========#
Flask_config.app = Flask(__name__, static_url_path=baseUrl+'/static/')
app = Flask_config.app
app.config['MAX_CONTENT_LENGTH'] = 900 * 1024 * 1024
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# ========= session ========
app.secret_key = str(random.getrandbits(256))
login_manager = LoginManager()
login_manager.login_view = 'login'
login_manager.init_app(app)
# ========= LOGIN MANAGER ========
@login_manager.user_loader
def load_user(user_id):
return User.get(user_id)
# ========= HEADER GENERATION ========
# Get headers items that should be ignored (not displayed)
toIgnoreModule = set()
try:
with open('templates/ignored_modules.txt', 'r') as f:
lines = f.read().splitlines()
for line in lines:
toIgnoreModule.add(line)
except IOError:
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pass
# Dynamically import routes and functions from modules
# Also, prepare header.html
to_add_to_header_dico = {}
for root, dirs, files in os.walk(os.path.join(Flask_dir, 'modules')):
sys.path.append(join(root))
# Ignore the module
curr_dir = root.split('/')[1]
if curr_dir in toIgnoreModule:
continue
for name in files:
module_name = root.split('/')[-2]
if name.startswith('Flask_') and name.endswith('.py'):
if name == 'Flask_config.py':
continue
name = name.strip('.py')
#print('importing {}'.format(name))
importlib.import_module(name)
elif name == 'header_{}.html'.format(module_name):
with open(join(root, name), 'r') as f:
to_add_to_header_dico[module_name] = f.read()
#create header.html
complete_header = ""
with open(os.path.join(Flask_dir, 'templates', 'header_base.html'), 'r') as f:
complete_header = f.read()
modified_header = complete_header
#Add the header in the supplied order
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for module_name, txt in list(to_add_to_header_dico.items()):
to_replace = '<!--{}-->'.format(module_name)
if to_replace in complete_header:
modified_header = modified_header.replace(to_replace, txt)
del to_add_to_header_dico[module_name]
#Add the header for no-supplied order
to_add_to_header = []
for module_name, txt in to_add_to_header_dico.items():
to_add_to_header.append(txt)
modified_header = modified_header.replace('<!--insert here-->', '\n'.join(to_add_to_header))
#Write the header.html file
with open(os.path.join(Flask_dir, 'templates', 'header.html'), 'w') as f:
f.write(modified_header)
# ========= JINJA2 FUNCTIONS ========
def list_len(s):
return len(s)
app.jinja_env.filters['list_len'] = list_len
# ========= CACHE CONTROL ========
@app.after_request
def add_header(response):
"""
Add headers to both force latest IE rendering engine or Chrome Frame,
and also to cache the rendered page for 10 minutes.
"""
response.headers['X-UA-Compatible'] = 'IE=Edge,chrome=1'
if 'Cache-Control' not in response.headers:
response.headers['Cache-Control'] = 'private, max-age=0'
return response
# @app.route('/test', methods=['GET'])
# def test():
# for rule in app.url_map.iter_rules():
# print(rule)
# return 'o'
# ========== ROUTES ============
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@app.route('/login', methods=['POST', 'GET'])
def login():
current_ip = request.remote_addr
login_failed_ip = r_cache.get('failed_login_ip:{}'.format(current_ip))
# brute force by ip
if login_failed_ip:
login_failed_ip = int(login_failed_ip)
if login_failed_ip >= 5:
error = 'Max Connection Attempts reached, Please wait {}s'.format(r_cache.ttl('failed_login_ip:{}'.format(current_ip)))
return render_template("login.html", error=error)
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if request.method == 'POST':
username = request.form.get('username')
password = request.form.get('password')
#next_page = request.form.get('next_page')
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if username is not None:
user = User.get(username)
login_failed_user_id = r_cache.get('failed_login_user_id:{}'.format(username))
# brute force by user_id
if login_failed_user_id:
login_failed_user_id = int(login_failed_user_id)
if login_failed_user_id >= 5:
error = 'Max Connection Attempts reached, Please wait {}s'.format(r_cache.ttl('failed_login_user_id:{}'.format(username)))
return render_template("login.html", error=error)
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if user and user.check_password(password):
if not check_user_role_integrity(user.get_id()):
error = 'Incorrect User ACL, Please contact your administrator'
return render_template("login.html", error=error)
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login_user(user) ## TODO: use remember me ?
if user.request_password_change():
return redirect(url_for('change_password'))
else:
return redirect(url_for('dashboard.index'))
# login failed
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else:
# set brute force protection
#logger.warning("Login failed, ip={}, username={}".format(current_ip, username))
r_cache.incr('failed_login_ip:{}'.format(current_ip))
r_cache.expire('failed_login_ip:{}'.format(current_ip), 300)
r_cache.incr('failed_login_user_id:{}'.format(username))
r_cache.expire('failed_login_user_id:{}'.format(username), 300)
#
error = 'Password Incorrect'
return render_template("login.html", error=error)
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return 'please provide a valid username'
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else:
#next_page = request.args.get('next')
error = request.args.get('error')
return render_template("login.html" , error=error)
@app.route('/change_password', methods=['POST', 'GET'])
@login_required
def change_password():
password1 = request.form.get('password1')
password2 = request.form.get('password2')
error = request.args.get('error')
if error:
return render_template("change_password.html", error=error)
if current_user.is_authenticated and password1!=None:
if password1==password2:
if check_password_strength(password1):
user_id = current_user.get_id()
create_user_db(user_id , password1, update=True)
return redirect(url_for('dashboard.index'))
else:
error = 'Incorrect password'
return render_template("change_password.html", error=error)
else:
error = "Passwords don't match"
return render_template("change_password.html", error=error)
else:
error = 'Please choose a new password'
return render_template("change_password.html", error=error)
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@app.route('/logout')
@login_required
def logout():
logout_user()
return redirect(url_for('login'))
# role error template
@app.route('/role', methods=['POST', 'GET'])
@login_required
def role():
return render_template("error/403.html"), 403
@app.route('/searchbox/')
@login_required
@login_analyst
def searchbox():
return render_template("searchbox.html")
# ========== ERROR HANDLER ============
@app.errorhandler(405)
def _handle_client_error(e):
if request.path.startswith('/api/'):
res_dict = {"status": "error", "reason": "Method Not Allowed: The method is not allowed for the requested URL"}
anchor_id = request.path[8:]
anchor_id = anchor_id.replace('/', '_')
api_doc_url = 'https://github.com/CIRCL/AIL-framework/tree/master/doc#{}'.format(anchor_id)
res_dict['documentation'] = api_doc_url
return Response(json.dumps(res_dict, indent=2, sort_keys=True), mimetype='application/json'), 405
else:
return e
@app.errorhandler(404)
def error_page_not_found(e):
if request.path.startswith('/api/'):
return Response(json.dumps({"status": "error", "reason": "404 Not Found"}, indent=2, sort_keys=True), mimetype='application/json'), 404
else:
# avoid endpoint enumeration
return page_not_found(e)
@login_required
def page_not_found(e):
# avoid endpoint enumeration
return render_template('error/404.html'), 404
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# ========== INITIAL taxonomies ============
# add default ail taxonomies
r_serv_tags.sadd('active_taxonomies', 'infoleak')
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r_serv_tags.sadd('active_taxonomies', 'gdpr')
r_serv_tags.sadd('active_taxonomies', 'fpf')
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# add default tags
taxonomies = Taxonomies()
for tag in taxonomies.get('infoleak').machinetags():
r_serv_tags.sadd('active_tag_infoleak', tag)
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for tag in taxonomies.get('gdpr').machinetags():
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r_serv_tags.sadd('active_tag_gdpr', tag)
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for tag in taxonomies.get('fpf').machinetags():
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r_serv_tags.sadd('active_tag_fpf', tag)
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# ========== INITIAL tags auto export ============
infoleak_tags = taxonomies.get('infoleak').machinetags()
infoleak_automatic_tags = []
for tag in taxonomies.get('infoleak').machinetags():
if tag.split('=')[0][:] == 'infoleak:automatic-detection':
r_serv_db.sadd('list_export_tags', tag)
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r_serv_db.sadd('list_export_tags', 'infoleak:submission="manual"')
# ============ MAIN ============
if __name__ == "__main__":
app.run(host='0.0.0.0', port=7000, threaded=True, ssl_context=ssl_context)