90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
import datetime
|
|
import ipaddress
|
|
import json
|
|
import re
|
|
import subprocess
|
|
|
|
import flask
|
|
import flask_login
|
|
|
|
from . import db
|
|
from . import system
|
|
|
|
blueprint = flask.Blueprint('vpn', __name__, url_prefix='/vpn')
|
|
wgkey_regex = re.compile(r'^[A-Za-z0-9/+=]{44}$')
|
|
|
|
@blueprint.route('/')
|
|
@flask_login.login_required
|
|
def index():
|
|
return flask.render_template('vpn/index.html')
|
|
|
|
@blueprint.route('/list')
|
|
@flask_login.login_required
|
|
def list():
|
|
user = flask_login.current_user.get_id()
|
|
return flask.jsonify({k: v for k, v in db.load('wireguard').items() if v.get('user') == user})
|
|
|
|
@blueprint.route('/new', methods=('POST',))
|
|
@flask_login.login_required
|
|
def new():
|
|
pubkey = flask.request.json.get('pubkey', '')
|
|
if not re.match(wgkey_regex, pubkey):
|
|
return flask.Response('invalid key', status=400, mimetype='text/plain')
|
|
|
|
settings = db.load('settings')
|
|
server_pubkey = subprocess.run([f'wg pubkey'], input=settings.get('wg_key'),
|
|
text=True, capture_output=True, shell=True).stdout.strip()
|
|
|
|
host = ipaddress.ip_interface(settings.get('wg_net', '10.0.0.1/24'))
|
|
with db.locked():
|
|
# Find a free address for the new key.
|
|
ips = db.read('wireguard')
|
|
for ip in host.network.hosts():
|
|
if ip != host.ip and str(ip) not in ips:
|
|
break
|
|
else:
|
|
return flask.Response('no more available IP addresses', status=500, mimetype='text/plain')
|
|
now = datetime.datetime.utcnow()
|
|
name = re.sub('[^\w ]', '', flask.request.json.get('name', ''))
|
|
|
|
ips[str(ip)] = {
|
|
'key': pubkey,
|
|
'time': now.timestamp(),
|
|
'user': flask_login.current_user.get_id(),
|
|
'name': name,
|
|
}
|
|
db.write('wireguard', ips)
|
|
|
|
# Generate a new config archive for firewall nodes.
|
|
system.run(system.save_config)
|
|
|
|
# Template arguments.
|
|
args = {
|
|
'server': f'{settings.get("wg_endpoint")}',
|
|
'port': f'{settings.get("wg_port", 51820)}',
|
|
'server_key': server_pubkey,
|
|
'pubkey': pubkey,
|
|
'ip': str(ip),
|
|
'timestamp': now,
|
|
'name': name,
|
|
'add_default': flask.request.json.get('add_default', False),
|
|
'use_dns': flask.request.json.get('use_dns', True),
|
|
}
|
|
return flask.render_template('vpn/wg-fri.conf', **args)
|
|
|
|
@blueprint.route('/del', methods=('POST',))
|
|
@flask_login.login_required
|
|
def delete():
|
|
pubkey = flask.request.json.get('pubkey', '')
|
|
if not wgkey_regex.match(pubkey):
|
|
return flask.Response('invalid key', status=400, mimetype='text/plain')
|
|
|
|
with db.locked():
|
|
user = flask_login.current_user.get_id()
|
|
ips = {k: v for k, v in db.read('wireguard').items() if v.get('user') != user or v.get('key') != pubkey}
|
|
db.write('wireguard', ips)
|
|
|
|
system.run(system.save_config)
|
|
|
|
return flask.Response(f'deleted key {pubkey}', status=200, mimetype='text/plain')
|