109 lines
2.9 KiB
Python
109 lines
2.9 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from libcloud.common.base import ConnectionKey, JsonResponse
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import json
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import base64
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import requests
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import os
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import time
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# normally we only use itsyou.online but you might want to work
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# against staging.itsyou.online for some testing
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IYO_URL = os.environ.get("IYO_URL", "https://itsyou.online")
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class G8Connection(ConnectionKey):
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"""
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Connection class for G8
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"""
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responseCls = JsonResponse
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def add_default_headers(self, headers):
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"""
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Add headers that are necessary for every request
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"""
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self.driver.key = maybe_update_jwt(self.driver.key)
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headers['Authorization'] = "bearer {}".format(self.driver.key)
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headers['Content-Type'] = 'application/json'
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return headers
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def base64url_decode(input):
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"""
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Helper method to base64url_decode a string.
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:param input: Input to decode
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:type input: str
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:rtype: str
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"""
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rem = len(input) % 4
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if rem > 0:
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input += b'=' * (4 - rem)
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return base64.urlsafe_b64decode(input)
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def is_jwt_expired(jwt):
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"""
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Check if jwt is expired
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:param jwt: jwt token to validate expiration
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:type jwt: str
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:rtype: bool
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"""
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jwt = jwt.encode('utf-8')
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signing_input, _ = jwt.rsplit(b'.', 1)
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_, claims_segment = signing_input.split(b'.', 1)
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claimsdata = base64url_decode(claims_segment)
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if isinstance(claimsdata, bytes):
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claimsdata = claimsdata.decode('utf-8')
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data = json.loads(claimsdata)
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# check if it's about to expire in the next minute
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return data['exp'] < time.time() + 60
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def maybe_update_jwt(jwt):
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"""
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Update jwt if it is expired
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:param jwt: jwt token to validate expiration
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:type jwt: str
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:rtype: str
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"""
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if is_jwt_expired(jwt):
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return refresh_jwt(jwt)
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return jwt
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def refresh_jwt(jwt):
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"""
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Refresh jwt
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:param jwt: jwt token to refresh
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:type jwt: str
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:rtype: str
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"""
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url = IYO_URL + "/v1/oauth/jwt/refresh"
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headers = {"Authorization": "bearer {}".format(jwt)}
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response = requests.get(url, headers=headers)
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response.raise_for_status()
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return response.text
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