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3735450e7e
Some incorrect setups might have multiple audiences where they are trying to use a single authentication endpoint for multiple services. Nevertheless OpenID spec allows it to make it even more confusin for no good reason. > It MUST contain the OAuth 2.0 client_id of the > Relying Party as an audience value. It MAY also > contain identifiers for other audiences. In the > general case, the aud value is an array of case > sensitive strings. In the common special case > when there is one audience, the aud value MAY > be a single case sensitive string. fixes #12809
102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import json
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import logging
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import urllib
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from uuid import uuid4
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import boto3
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import requests
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from botocore.client import Config
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from flask import Flask, request
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boto3.set_stream_logger('boto3.resources', logging.DEBUG)
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authorize_url = "http://localhost:8080/auth/realms/minio/protocol/openid-connect/auth"
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token_url = "http://localhost:8080/auth/realms/minio/protocol/openid-connect/token"
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# callback url specified when the application was defined
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callback_uri = "http://localhost:8000/oauth2/callback"
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# keycloak id and secret
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client_id = 'account'
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client_secret = 'daaa3008-80f0-40f7-80d7-e15167531ff0'
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sts_client = boto3.client(
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'sts',
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region_name='us-east-1',
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use_ssl=False,
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endpoint_url='http://localhost:9000',
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)
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app = Flask(__name__)
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@app.route('/')
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def homepage():
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text = '<a href="%s">Authenticate with keycloak</a>'
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return text % make_authorization_url()
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def make_authorization_url():
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# Generate a random string for the state parameter
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# Save it for use later to prevent xsrf attacks
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state = str(uuid4())
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params = {"client_id": client_id,
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"response_type": "code",
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"state": state,
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"redirect_uri": callback_uri,
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"scope": "openid"}
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url = authorize_url + "?" + urllib.parse.urlencode(params)
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return url
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@app.route('/oauth2/callback')
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def callback():
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error = request.args.get('error', '')
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if error:
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return "Error: " + error
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authorization_code = request.args.get('code')
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data = {'grant_type': 'authorization_code',
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'code': authorization_code, 'redirect_uri': callback_uri}
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id_token_response = requests.post(
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token_url, data=data, verify=False,
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allow_redirects=False, auth=(client_id, client_secret))
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print('body: ' + id_token_response.text)
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# we can now use the id_token as much as we want to access protected resources.
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tokens = json.loads(id_token_response.text)
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id_token = tokens['id_token']
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response = sts_client.assume_role_with_web_identity(
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RoleArn='arn:aws:iam::123456789012:user/svc-internal-api',
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RoleSessionName='test',
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WebIdentityToken=id_token,
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DurationSeconds=3600
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)
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s3_resource = boto3.resource('s3',
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endpoint_url='http://localhost:9000',
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aws_access_key_id=response['Credentials']['AccessKeyId'],
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aws_secret_access_key=response['Credentials']['SecretAccessKey'],
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aws_session_token=response['Credentials']['SessionToken'],
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config=Config(signature_version='s3v4'),
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region_name='us-east-1')
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bucket = s3_resource.Bucket('testbucket')
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for obj in bucket.objects.all():
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print(obj)
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return "success"
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if __name__ == '__main__':
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app.run(debug=True, port=8000)
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