first commit

app/core/security.py

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+from datetime import datetime, timedelta
+from typing import Optional
+
+import jwt
+import bcrypt
+
+from app.config.settings import settings
+
+
+def hash_password(password: str) -> str:
+    return bcrypt.hashpw(password.encode(), bcrypt.gensalt()).decode()
+
+
+def verify_password(password: str, hashed: str) -> bool:
+    return bcrypt.checkpw(password.encode(), hashed.encode())
+
+
+def create_access_token(user_id: str) -> str:
+    expire = datetime.utcnow() + timedelta(minutes=settings.jwt_access_expire_minutes)
+    payload = {"sub": user_id, "exp": expire, "type": "access"}
+    return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
+
+
+def create_refresh_token(user_id: str) -> str:
+    expire = datetime.utcnow() + timedelta(days=settings.jwt_refresh_expire_days)
+    payload = {"sub": user_id, "exp": expire, "type": "refresh"}
+    return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
+
+
+def create_reset_token(user_id: str) -> str:
+    expire = datetime.utcnow() + timedelta(hours=1)
+    payload = {"sub": user_id, "exp": expire, "type": "reset"}
+    return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
+
+
+def decode_token(token: str) -> Optional[dict]:
+    try:
+        return jwt.decode(token, settings.jwt_secret, algorithms=[settings.jwt_algorithm])
+    except jwt.PyJWTError:
+        return None