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from fastapi import FastAPI, HTTPException, Header,Depends
from fastapi.middleware.cors import CORSMiddleware
from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
from fastapi_cloudauth.firebase import FirebaseCurrentUser, FirebaseClaims
app = FastAPI()
security = HTTPBearer()
origins = [
app.add_middleware(
get_current_user = FirebaseCurrentUser(
    project_id=os.environ["PROJECT_ID"]
@app.get("/user/")
def secure_user(current_user: FirebaseClaims = Depends(get_current_user)):
    # ID token is valid and getting user info from ID token
    return f"Hello, {current_user.user_id}"

security = HTTPBearer()
api = FastAPI()
security = HTTPBearer()
firebase_client = FirebaseClient(
    firebase_admin_credentials_url=firebase_test_admin_credentials_url
    # ...
user_roles = [test_role]
async def firebase_authentication(token: HTTPAuthorizationCredentials = Depends(security)) -> dict:
    user = firebase_client.verify_token(token.credentials)
    return user
async def firebase_authorization(user: dict = Depends(firebase_authentication)):
    roles = firebase_client.get_user_roles(user)
    for role in roles:
        if role in user_roles:
            return user
    raise HTTPException(detail="User does not have the required roles", status_code=HTTPStatus.FORBIDDEN)
@api.get("/")
async def root(uid: str = Depends(firebase_authorization)):
    return {"message": "Successfully authenticated & authorized!"}

from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from fastapi import Depends, HTTPException, status, Response
from firebase_admin import auth, credentials, initialize_app
credential = credentials.Certificate('./key.json')
initialize_app(credential)
def get_user_token(res: Response, credential: HTTPAuthorizationCredentials=Depends(HTTPBearer(auto_error=False))):
    if cred is None:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Bearer authentication is needed",
            headers={'WWW-Authenticate': 'Bearer realm="auth_required"'},
        decoded_token = auth.verify_id_token(credential.credentials)
    except Exception as err:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail=f"Invalid authentication from Firebase. {err}",
            headers={'WWW-Authenticate': 'Bearer error="invalid_token"'},
    res.headers['WWW-Authenticate'] = 'Bearer realm="auth_required"'
    return decoded_token

from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from fastapi import Depends, HTTPException, status, Response, FastAPI, Depends
from firebase_admin import auth, credentials, initialize_app
credential = credentials.Certificate('./key.json')
initialize_app(credential)
def get_user_token(res: Response, credential: HTTPAuthorizationCredentials=Depends(HTTPBearer(auto_error=False))):
    if cred is None:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail="Bearer authentication is needed",
            headers={'WWW-Authenticate': 'Bearer realm="auth_required"'},
        decoded_token = auth.verify_id_token(credential.credentials)
    except Exception as err:
        raise HTTPException(
            status_code=status.HTTP_401_UNAUTHORIZED,
            detail=f"Invalid authentication from Firebase. {err}",
            headers={'WWW-Authenticate': 'Bearer error="invalid_token"'},
    res.headers['WWW-Authenticate'] = 'Bearer realm="auth_required"'
    return decoded_token
app = FastAPI()
@app.get("/api/")
async def hello():

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