Validate and extract information from OAuth2 token.
Project description
Validate and extract information from OAuth2 token
Validating an OAuth2 token
import oauth2helper
headers = {"Authorization": "Bearer YOUR_OAUTH2_TOKEN"}
my_token = headers.get('Authorization')[7:]
# Will raise InvalidTokenError or InvalidKeyError in case validation failed
oauth2helper.validate(my_token, "https://provider_url/common/discovery/keys")
Extracting user from a OAuth2 token
import oauth2helper
headers = {"Authorization": "Bearer YOUR_OAUTH2_TOKEN"}
my_token = headers.get('Authorization')[7:]
json_header, json_body = oauth2helper.validate(my_token, "https://provider_url/common/discovery/keys")
username = oauth2helper.user_name(json_body)
Starlette
A Starlette AuthenticationMiddleware
backend is available.
from starlette.applications import Starlette
from starlette.authentication import requires
from starlette.middleware import Middleware
from starlette.middleware.authentication import AuthenticationMiddleware
from oauth2helper.starlette import OAuth2IdTokenBackend, unauthorized
backend = OAuth2IdTokenBackend(
identity_provider_url="https://identity_provider_url",
# You can extract scopes per user and validate them on @requires decorator
scopes_retrieval=lambda json_body: ["authenticated"],
)
app = Starlette(middleware=[Middleware(AuthenticationMiddleware, backend=backend, on_error=unauthorized)])
@app.route("/authenticated_endpoint")
@requires(scopes=["authenticated"])
def endpoint(request):
pass # Implement your own logic
How to install
- python 3.6+ must be installed
- Use pip to install module:
python -m pip install oauth2helper
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