1d54b4ec09
- Set up project structure and dependencies - Create SQLAlchemy database models - Set up Alembic for database migrations - Implement user registration and login endpoints - Add JWT token authentication - Create middleware for protected routes - Add health check endpoint - Update README with documentation generated with BackendIM... (backend.im)
62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from fastapi import HTTPException, status
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# JWT settings
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SECRET_KEY = "YOUR_SECRET_KEY" # In production, use a secure environment variable
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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# Password context for hashing
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password, hashed_password):
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"""Verify a password against a hash"""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password):
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"""Generate a hash from a password"""
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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"""Create a JWT access token"""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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def decode_token(token: str):
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"""Decode and validate a JWT token"""
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username = payload.get("sub")
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user_id = payload.get("user_id")
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if username is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid authentication credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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return {"username": username, "user_id": user_id}
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except JWTError:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid authentication credentials",
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headers={"WWW-Authenticate": "Bearer"},
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) |