compass/backend/api/decoder.py
2024-10-29 16:34:57 -04:00

84 lines
2.4 KiB
Python

# token_utils.py
import jwt
from jwt import PyJWTError
from datetime import datetime, timedelta
from fastapi import HTTPException, status, Depends
from backend.models.user_model import User
from ..services import UserService
from passlib.context import CryptContext
from supabase import create_client, Client
# Supabase configuration
SUPABASE_URL = "placeholder"
SUPABASE_KEY = "sample key"
supabase: Client = create_client(SUPABASE_URL, SUPABASE_KEY)
SECRET = "SECRET_KEY"
ALGORITHM = "HS256"
pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
def create_bearer_token(user_uuid: str, expires_delta: timedelta = None) -> str:
if expires_delta:
expire = datetime.now(datetime.UTC) + expires_delta
else:
expire = datetime.now(datetime.UTC) + timedelta(minutes=180)
to_encode = {
"sub": user_uuid,
"exp": expire,
}
token = jwt.encode(to_encode, SECRET, algorithm=ALGORITHM)
expires_at = expire.isoformat()
token_data = {
"user_uuid": user_uuid,
"token": token,
"expires_at": expires_at,
}
response = supabase.table("user_tokens").insert(token_data).execute()
def decode_token(token: str) -> User:
try:
payload = jwt.decode(token, SECRET, algorithms=[ALGORITHM])
user_uuid = payload.get("sub")
if user_uuid is None:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid credentials",
headers={"WWW-Authenticate": "Bearer"},
)
user_data = UserService.get_user_by_uuid(user_uuid)
if user_data is None:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="User not found",
headers={"WWW-Authenticate": "Bearer"},
)
user = User(
id=user_data.id,
username=user_data.username,
email=user_data.email,
experience=user_data.experience,
group=user_data.group,
program=user_data.program,
role=user_data.role,
created_at=user_data.created_at,
uuid=user_data.uuid,
)
return user
except PyJWTError:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid or expired token",
headers={"WWW-Authenticate": "Bearer"},
)