Initial project commit

server/app/core/security.py

@@ -0,0 +1,46 @@
+from datetime import datetime, timedelta, timezone
+
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+
+from app.core.config import settings
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+ALGORITHM = "HS256"
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def create_access_token(
+    subject: str | int, expires_delta: timedelta | None = None
+) -> str:
+    now = datetime.now(timezone.utc)
+    expire = now + (
+        expires_delta
+        if expires_delta
+        else timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    )
+    to_encode = {"sub": str(subject), "exp": expire, "type": "access"}
+    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=ALGORITHM)
+
+
+def create_refresh_token(subject: str | int) -> str:
+    now = datetime.now(timezone.utc)
+    expire = now + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
+    to_encode = {"sub": str(subject), "exp": expire, "type": "refresh"}
+    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=ALGORITHM)
+
+
+def decode_token(token: str) -> dict:
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[ALGORITHM])
+    except JWTError as exc:
+        raise ValueError("Invalid token") from exc
+    return payload