53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
from datetime import datetime, timedelta, timezone
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.config import settings
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from app.models.user import User
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def hash_password(password: str) -> str:
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return pwd_context.hash(password)
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def verify_password(plain: str, hashed: str) -> bool:
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return pwd_context.verify(plain, hashed)
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def create_access_token(user_id: str) -> str:
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expire = datetime.now(timezone.utc) + timedelta(minutes=settings.jwt_expire_minutes)
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payload = {"sub": user_id, "exp": expire}
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return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
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def decode_access_token(token: str) -> str | None:
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try:
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payload = jwt.decode(
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token, settings.jwt_secret, algorithms=[settings.jwt_algorithm]
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)
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return payload.get("sub")
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except JWTError:
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return None
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async def get_user_by_username(db: AsyncSession, username: str) -> User | None:
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result = await db.execute(select(User).where(User.username == username))
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return result.scalar_one_or_none()
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async def create_user(db: AsyncSession, username: str, email: str, password: str) -> User:
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user = User(
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username=username,
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email=email,
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password_hash=hash_password(password),
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)
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db.add(user)
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await db.commit()
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await db.refresh(user)
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return user
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