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Description:

fastapiresourceserver 0.1.2

FastAPI Resource Server
Build an OIDC resource server using FastAPI.
Your aplication receives the claims decoded from the access token.
Usage
Run keycloak on port 8888:
docker container run --name auth-server -d -p 8888:8080 \
-e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin \
jboss/keycloak:latest

Install dependencies
pip install fastapi fastapi_resource_server uvicorn

Create the main.py module
from fastapi import Depends, FastAPI, Security
from pydantic import BaseModel

from fastapi_resource_server import JwtDecodeOptions, OidcResourceServer

app = FastAPI()

decode_options = JwtDecodeOptions(verify_aud=False)

auth_scheme = OidcResourceServer(
"http://localhost:8888/auth/realms/master",
scheme_name="Keycloak",
jwt_decode_options=decode_options,
)

class User(BaseModel):
username: str
given_name: str
family_name: str
email: str

def get_current_user(claims: dict = Security(auth_scheme)):
claims.update(username=claims["preferred_username"])
user = User.parse_obj(claims)
return user

@app.get("/users/me")
def read_current_user(current_user: User = Depends(get_current_user)):
return current_user

Run the application
uvicorn main:app