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Mailu/core/admin/mailu/api/common.py
2022-12-27 11:32:57 +01:00

43 lines
2.1 KiB
Python

from .. import models, utils
from . import v1
from flask import request
import flask
import hmac
from functools import wraps
from flask_restx import abort
from sqlalchemy.sql.expression import label
def fqdn_in_use(name):
d = models.db.session.query(label('name', models.Domain.name))
a = models.db.session.query(label('name', models.Alternative.name))
r = models.db.session.query(label('name', models.Relay.name))
u = d.union_all(a).union_all(r).filter_by(name=name)
if models.db.session.query(u.exists()).scalar():
return True
return False
""" Decorator for validating api token for authentication """
def api_token_authorization(func):
@wraps(func)
def decorated_function(*args, **kwds):
client_ip = flask.request.headers.get('X-Real-IP', flask.request.remote_addr)
if utils.limiter.should_rate_limit_ip(client_ip):
abort(429, 'Too many attempts from your IP (rate-limit)' )
if not request.headers.get('Authorization'):
abort(401, 'A valid Bearer token is expected which is provided as request header')
#Client provides 'Authentication: Bearer <token>'
if (' ' in request.headers.get('Authorization')
and not hmac.compare_digest(request.headers.get('Authorization'), 'Bearer ' + v1.api_token)):
utils.limiter.rate_limit_ip(client_ip)
flask.current_app.logger.warn(f'Invalid API token provided by {client_ip}.')
abort(403, 'A valid Bearer token is expected which is provided as request header')
#Client provides 'Authentication: <token>'
elif (' ' not in request.headers.get('Authorization')
and not hmac.compare_digest(request.headers.get('Authorization'), v1.api_token)):
utils.limiter.rate_limit_ip(client_ip)
flask.current_app.logger.warn(f'Invalid API token provided by {client_ip}.')
abort(403, 'A valid Bearer token is expected which is provided as request header')
flask.current_app.logger.info(f'Valid API token provided by {client_ip}.')
return func(*args, **kwds)
return decorated_function