init auth

api/endpoints/auth.py

@@ -0,0 +1,122 @@
+from datetime import timedelta
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from pydantic import BaseModel
+from jose import JWTError, jwt
+
+from repos.user_repo import UsersRepo, UserStatus
+from utils.security import verify_password, create_access_token, ACCESS_TOKEN_EXPIRE_MINUTES, ALGORITHM, SECRET_KEY
+from starlette.requests import Request
+
+router = APIRouter(prefix="/api/auth", tags=["auth"])
+
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/token")
+
+async def get_users_repo(request: Request) -> UsersRepo:
+    if not hasattr(request.app.state, "users_repo"):
+        raise HTTPException(status_code=500, detail="Users repo not initialized")
+    return request.app.state.users_repo
+
+async def get_current_user(token: Annotated[str, Depends(oauth2_scheme)], repo: Annotated[UsersRepo, Depends(get_users_repo)]):
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        username: str = payload.get("sub")
+        if username is None:
+            raise credentials_exception
+    except JWTError:
+        raise credentials_exception
+    
+    user = await repo.get_user_by_username(username)
+    if user is None:
+        raise credentials_exception
+    return user
+
+async def get_current_admin(user: Annotated[dict, Depends(get_current_user)]):
+    if not user.get("is_admin"):
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Not enough permissions",
+        )
+    return user
+
+
+class UserRegister(BaseModel):
+    username: str
+    password: str
+    full_name: str | None = None
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class UserResponse(BaseModel):
+    username: str
+    full_name: str | None = None
+    status: str
+    is_admin: bool = False
+
+
+@router.get("/me", response_model=UserResponse)
+async def read_users_me(current_user: Annotated[dict, Depends(get_current_user)]):
+    return current_user
+
+
+
+
+
+@router.post("/register")
+async def register(user_data: UserRegister, repo: Annotated[UsersRepo, Depends(get_users_repo)]):
+    try:
+        await repo.create_user(
+            username=user_data.username,
+            password=user_data.password,
+            full_name=user_data.full_name
+        )
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+    return {"message": "Registration successful. Please wait for administrator approval."}
+
+
+@router.post("/token", response_model=Token)
+async def login_for_access_token(
+    form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
+    repo: Annotated[UsersRepo, Depends(get_users_repo)]
+):
+    user = await repo.get_user_by_username(form_data.username)
+    if not user:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    
+    # Проверяем пароль
+    if not verify_password(form_data.password, user["hashed_password"]):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Incorrect username or password",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+
+    # Проверка статуса
+    if user.get("status") != UserStatus.ALLOWED:
+         raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Account is not approved yet. Please contact administrator.",
+        )
+
+    access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = create_access_token(
+        data={"sub": user["username"]}, expires_delta=access_token_expires
+    )
+    return {"access_token": access_token, "token_type": "bearer"}