mirror of
https://gitverse.ru/kpa39l/md2vk.git
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estorozhenko
64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
"""FastAPI-зависимости: аутентификация по API-ключу."""
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from __future__ import annotations
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import hashlib
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.database import get_db
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from app.models import User
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security_scheme = HTTPBearer(auto_error=False)
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def hash_api_key(api_key: str) -> str:
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return hashlib.sha256(api_key.encode()).hexdigest()
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async def get_current_user_from_header(
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credentials: HTTPAuthorizationCredentials | None = Depends(security_scheme),
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db: AsyncSession = Depends(get_db),
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) -> User:
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"""Аутентификация по заголовку Authorization: Bearer <api_key>."""
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if credentials is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Missing Authorization header. Use: Authorization: Bearer <api_key>",
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)
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api_key = credentials.credentials
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if not api_key.startswith("md2vk_"):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid API key format",
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)
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api_key_hash = hash_api_key(api_key)
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result = await db.execute(
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select(User).where(User.api_key_hash == api_key_hash, User.is_active == True)
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)
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user = result.scalar_one_or_none()
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if user is None:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid API key")
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return user
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async def get_user_by_api_key(api_key: str, db: AsyncSession) -> User:
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"""Проверяет API-ключ из тела запроса. Используется в POST-эндпоинтах."""
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if not api_key.startswith("md2vk_"):
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raise HTTPException(status_code=401, detail="Invalid API key format")
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api_key_hash = hash_api_key(api_key)
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result = await db.execute(
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select(User).where(User.api_key_hash == api_key_hash, User.is_active == True)
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)
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user = result.scalar_one_or_none()
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if user is None:
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raise HTTPException(status_code=401, detail="Invalid API key")
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return user |