Zdalne-systemy-z-kit-uVPN/app.py

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import datetime
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from time import sleep
from flask import Flask, make_response, redirect, send_file, jsonify, request, render_template, url_for
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import db
import os
from werkzeug.utils import secure_filename
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import subprocess
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import utils
import shutil
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import config
import machines
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app = Flask(__name__)
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app.config['UPLOAD_FOLDER'] = "squash"
app.config['MAX_CONTENT_LENGTH'] = 1024 * 1024 * 512 # 512MB
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utils.init_threads()
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@app.route('/')
def main():
auth_token = request.cookies.get('auth_token')
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if auth_token != "" or auth_token is not None:
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if db.get_user_bytoken(auth_token) is None:
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return redirect("/login")
machines_all = db.get_machines()
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return render_template('index.html', ssh_port=config.webssh_port, machines=machines_all.machines)
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@app.route('/login')
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def login():
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auth_token = request.cookies.get('auth_token')
if auth_token != "" or auth_token is not None:
if db.get_user_bytoken(auth_token) is not None:
return render_template('index.html')
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return render_template('login.html')
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@app.route('/create/conf')
def create_conf():
auth_token = request.cookies.get('auth_token')
if auth_token != "" or auth_token is not None:
if db.get_user_bytoken(auth_token) is None:
return redirect("/login")
return render_template("create.html")
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@app.route('/api/createconf', methods=['POST'])
def create_conf_post():
config_name = request.form['config_name']
token_name = request.form['token_name']
key_length = request.form['key_length']
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folder = utils.generate_random_string(5)
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try:
os.mkdir(os.path.join(os.getcwd(), 'configs', folder))
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authorized_keys_config = request.form['authorized_keys_config']
authorized_keys_file = open(folder+"/authorized_keys", "w")
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authorized_keys_file.write(authorized_keys_config)
authorized_keys_file.close()
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except:
shutil.copy('./configs/authorized_keys',
'./configs/' + folder+"/authorized_keys")
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script_path = os.path.join(os.getcwd(), 'configs', "create.sh")
ini_path = os.path.join(os.getcwd(), 'configs', "uVPN.ini")
conf_path = os.path.join(os.getcwd(), 'configs', "uVPN.conf")
pub_path = os.path.join(os.getcwd(), 'configs', "server.pub")
scripts_path = os.path.join(os.getcwd(), 'configs', "scripts/")
authorized_keys_path = os.path.join(
os.getcwd(), 'configs', folder, "authorized_keys")
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sshd_config_path = os.path.join(os.getcwd(), 'configs', "sshd_config")
sendmail_path = os.path.join(os.getcwd(), 'configs', "sendmail.sh")
subprocess.run([script_path, "-i "+ini_path, "-c "+conf_path, "-k "+pub_path, "-l "+key_length, "-n"+config_name,
"-s "+scripts_path, "-a "+authorized_keys_path, "-d "+sshd_config_path, "-m "+sendmail_path, " > /dev/null 2>&1 "])
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if os.path.exists(folder):
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shutil.rmtree(folder)
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db.add_conf_image(config_name+".squashfs", token_name)
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return send_file(os.path.join(app.config['UPLOAD_FOLDER'], config_name+".pub"))
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@app.route('/api/login', methods=['POST'])
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def login_api():
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username = request.form['username']
password = request.form['password']
# register
# db.add_user(username, password)
# register
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auth_token = db.login(username, password)
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if auth_token is None:
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return render_template('login.html', incorrect="Incorrect username or password!")
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response = make_response(redirect('/'))
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response.set_cookie('auth_token', auth_token)
return response
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@app.route("/api/addimage", methods=['POST'])
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def add_image():
db.Connect()
name = None
try:
file = request.files['file']
if file is None or file == "":
return jsonify(message="nofile")
except Exception as e:
return jsonify(message="nofile")
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try:
token = request.form['token']
if token is None or token == "":
return jsonify(message="notoken")
except:
if token is None:
return jsonify(message="notoken")
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incorrect = True
while incorrect:
if db.GetVPNImage(token) is not None:
if name[-1:].isdigit():
name = name[:-1] + str(int(name[-1:])+1)
else:
name = name+"1"
else:
incorrect = False
filename = secure_filename(file.filename)
while os.path.exists(os.path.join(app.config['UPLOAD_FOLDER'], filename)):
if filename[0].isdigit():
filename = str(int(filename[0])+1)+filename[1:]
else:
filename = "1"+filename
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
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db.add_conf_image(filename, token)
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return jsonify(message="ok")
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@app.route("/api/getconf")
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def get_image():
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try:
filename = db.get_conf_image(request.headers['token'])
except:
pass
try:
date = db.get_image_allocation_time(request.headers['token'])
if date is not None:
delta = datetime.datetime.now() - date
if delta.total_seconds() > 30:
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db.del_image_allocation_token(request.headers['token'])
else:
filename = None
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else:
db.set_image_allocation(
request.headers['token'], request.remote_addr)
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except:
pass
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if filename is None or filename == "":
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filename = config.default_file
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return send_file(os.path.join(app.config['UPLOAD_FOLDER'], filename))
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@app.route("/api/release_allocation", methods=['POST'])
def release_allocation():
try:
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id_allocation = db.get_conf_id_name(
request.headers['name']+".squashfs")
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if id_allocation is None or id_allocation == "":
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return jsonify(message="400")
except:
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return jsonify(message="400")
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if id_allocation is not None:
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db.del_image_allocation_id_image(id_allocation)
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else:
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return jsonify(message="404")
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return jsonify(message="200")
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@app.route("/api/addip", methods=['POST'])
def add_ip():
try:
token = request.headers['token']
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ip = request.form['ip']
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except:
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return jsonify(message="400")
if db.update_image_allocation_ip(token, ip) is not None:
return jsonify(message="200")
else:
return jsonify(message="400")
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if __name__ == '__main__':
app.run(host="0.0.0.0")