feat: Freelancer Match — полная продакшн версия с AI-матчингом и escrow

backend/app/core/security.py

@@ -0,0 +1,49 @@
+"""Безопасность: JWT, хеширование паролей."""
+
+from datetime import datetime, timedelta, timezone
+from typing import Any
+
+import jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+
+from app.config import settings
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
+
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return pwd_context.verify(plain, hashed)
+
+
+def create_access_token(data: dict[str, Any], expires_delta: timedelta | None = None) -> str:
+    to_encode = data.copy()
+    expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES))
+    to_encode.update({"exp": expire})
+    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm="HS256")
+
+
+def create_refresh_token(data: dict[str, Any]) -> str:
+    expire = datetime.now(timezone.utc) + timedelta(days=settings.REFRESH_TOKEN_EXPIRE_DAYS)
+    data_copy = data.copy()
+    data_copy.update({"exp": expire, "type": "refresh"})
+    return jwt.encode(data_copy, settings.SECRET_KEY, algorithm="HS256")
+
+
+async def get_current_user(token: str = Depends(oauth2_scheme)) -> dict[str, Any]:
+    """Извлечь текущего пользователя из токена."""
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=["HS256"])
+        user_id = payload.get("sub")
+        role = payload.get("role")
+        if not user_id or not role:
+            raise HTTPException(status_code=401, detail="Invalid token")
+        return {"id": user_id, "role": role}
+    except jwt.PyJWTError:
+        raise HTTPException(status_code=401, detail="Invalid or expired token")