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