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app/core/security.py

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+from __future__ import annotations
+
+from datetime import datetime, timedelta
+
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+
+from app.core.config import settings
+from app.core.constants import TokenType
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def create_access_token(subject: int | str, role: str) -> str:
+    expire = datetime.utcnow() + timedelta(minutes=settings.JWT_ACCESS_TOKEN_EXPIRE_MINUTES)
+    payload = {
+        "sub": str(subject),
+        "role": role,
+        "type": TokenType.ACCESS,
+        "exp": expire,
+    }
+    return jwt.encode(payload, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
+
+
+def create_refresh_token(subject: int | str) -> str:
+    expire = datetime.utcnow() + timedelta(days=settings.JWT_REFRESH_TOKEN_EXPIRE_DAYS)
+    payload = {
+        "sub": str(subject),
+        "type": TokenType.REFRESH,
+        "exp": expire,
+    }
+    return jwt.encode(payload, settings.JWT_SECRET_KEY, algorithm=settings.JWT_ALGORITHM)
+
+
+def decode_token(token: str) -> dict | None:
+    try:
+        return jwt.decode(token, settings.JWT_SECRET_KEY, algorithms=[settings.JWT_ALGORITHM])
+    except JWTError:
+        return None