friwall/web/rules.py

77 lines
3 KiB
Python

import flask
import flask_login
from . import db
from . import ipsets
from . import system
blueprint = flask.Blueprint('rules', __name__)
@blueprint.route('/', methods=('GET', 'POST'))
@flask_login.login_required
def index():
if not flask_login.current_user.is_admin:
return flask.Response('forbidden', status=403, mimetype='text/plain')
if flask.request.method == 'POST':
with db.locked():
rules = db.read('rules')
form = flask.request.form
oldrules = {rule['name']: rule for rule in rules}
rules = []
for index, name in sorted(
zip(form.getlist('index'), form.getlist('name')), key=lambda e: int(e[0] or 0)):
if index and name:
rules.append(oldrules.get(name, {'name': name}))
db.write('rules', rules)
system.run(system.save_config)
return flask.render_template('rules/index.html', rules=db.load('rules'))
@blueprint.route('/edit/<int:index>', methods=('GET', 'POST'))
@flask_login.login_required
def edit(index):
try:
if not flask_login.current_user.is_admin:
return flask.Response('forbidden', status=403, mimetype='text/plain')
if flask.request.method == 'POST':
with db.locked():
form = flask.request.form
rules = db.read('rules')
rules[index]['name'] = form.get('name')
rules[index]['text'] = form.get('text').replace('\r\n', '\n')
rules[index]['managers'] = [m for m in form.getlist('manager') if m]
db.write('rules', rules)
system.run(system.save_config)
with db.locked():
return flask.render_template('rules/edit.html', index=index, rule=db.read('rules')[index], ipsets=ipsets.read())
except IndexError as e:
return flask.Response(f'invalid rule: {index}', status=400, mimetype='text/plain')
def can_toggle(user, rule):
return user.is_admin or not user.groups.isdisjoint(rule.get('managers', ()))
@blueprint.route('/manage', methods=('GET', 'POST'))
@flask_login.login_required
def manage():
with db.locked():
rules = db.read('rules')
allowed = set(rule['name'] for rule in rules if can_toggle(flask_login.current_user, rule))
if flask.request.method == 'POST':
# check that all posted rules are allowed for this user
posted = set(flask.request.form.getlist('rule'))
if posted - allowed:
return flask.Response('forbidden', status=403, mimetype='text/plain')
# set status for posted rules
enabled = set(flask.request.form.getlist('enabled'))
for rule in rules:
if rule['name'] in posted:
rule['enabled'] = (rule['name'] in enabled)
db.write('rules', rules)
system.run(system.save_config)
return flask.redirect(flask.url_for('rules.manage'))
return flask.render_template('rules/manage.html', rules=[rule for rule in rules if rule['name'] in allowed])