chore: initial commit — CS2 Simulator

2026-07-05 10:40:00 +00:00
commit c268557997
40 changed files with 824236 additions and 0 deletions
@@ -0,0 +1,129 @@
+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status, Request
+from fastapi.security import OAuth2PasswordBearer
+from sqlalchemy.orm import Session
+from database import get_db, User
+import os
+
+SECRET_KEY = os.getenv("SECRET_KEY", "your-secret-key-change-this-in-production")
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 60 * 24 * 7  # 7 дней
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login", auto_error=False)
+
+def decode_token(token: str) -> Optional[dict]:
+    """Декодирует JWT токен"""
+    if not token:  # <-- Добавлена проверка
+        return None
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        return payload
+    except JWTError:
+        return None
+
+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(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+async def get_current_user_from_token(token: str, db: Session) -> Optional[User]:
+    """Получает пользователя из JWT токена"""
+    if not token:  # <-- Добавлена проверка
+        return None
+    payload = decode_token(token)
+    if not payload:
+        return None
+    
+    username = payload.get("sub")
+    if not username:
+        return None
+    
+    user = db.query(User).filter(User.username == username).first()
+    return user
+
+async def get_current_user_optional(request: Request, db: Session = Depends(get_db)) -> Optional[User]:
+    token = request.cookies.get("access_token")
+    if not token:  # <-- Исправлено: сразу возвращаем None
+        return None
+    if token.startswith("Bearer "):
+        token = token[7:]
+    return await get_current_user_from_token(token, db)
+
+async def get_current_user(request: Request, db: Session = Depends(get_db)) -> User:
+    token = request.cookies.get("access_token")
+    if not token:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Not authenticated",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    
+    if token.startswith("Bearer "):
+        token = token[7:]
+    
+    user = await get_current_user_from_token(token, db)
+    if user is None:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid authentication credentials",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    
+    return user
+
+def create_user(db: Session, username: str, password: str) -> User:
+    hashed_password = get_password_hash(password)
+    user = User(username=username, hashed_password=hashed_password, balance=1000.0)
+    db.add(user)
+    db.commit()
+    db.refresh(user)
+    return user
+
+def authenticate_user(db: Session, username: str, password: str) -> Optional[User]:
+    user = db.query(User).filter(User.username == username).first()
+    if not user:
+        return None
+    if not verify_password(password, user.hashed_password):
+        return None
+    return user
+
+def is_item_craftable(item_id: int) -> bool:
+    """Проверяет, можно ли использовать предмет в контракте"""
+    from backend import get_item, is_final_in_collection
+    
+    item = get_item(item_id)
+    if not item:
+        return False
+    
+    if not item.get("is_craftable", True):
+        return False
+    
+    if is_final_in_collection(item):
+        return False
+    
+    return True
+
+async def get_current_admin(request: Request, db: Session = Depends(get_db)) -> User:
+    """Проверяет, что пользователь - админ"""
+    user = await get_current_user(request, db)
+    if not user.is_admin:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Admin access required"
+        )
+    return user