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https://github.com/fastapi-practices/fastapi_best_architecture.git
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a22aaa0a3e
* Attempt to serialize performance optimization * Add casbin service functions return type * update comments
31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from fast_captcha import img_captcha
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from fastapi import APIRouter, Depends, Request
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from fastapi_limiter.depends import RateLimiter
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from starlette.concurrency import run_in_threadpool
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from backend.app.common.redis import redis_client
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from backend.app.common.response.response_schema import ResponseModel, response_base
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from backend.app.core.conf import settings
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router = APIRouter()
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@router.get(
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'/captcha',
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summary='获取登录验证码',
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dependencies=[Depends(RateLimiter(times=5, seconds=10))],
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)
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async def get_captcha(request: Request) -> ResponseModel:
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"""
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此接口可能存在性能损耗，尽管是异步接口，但是验证码生成是IO密集型任务，使用线程池尽量减少性能损耗
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"""
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img_type: str = 'base64'
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img, code = await run_in_threadpool(img_captcha, img_byte=img_type)
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ip = request.state.ip
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await redis_client.set(
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f'{settings.CAPTCHA_LOGIN_REDIS_PREFIX}:{ip}', code, ex=settings.CAPTCHA_LOGIN_EXPIRE_SECONDS
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)
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return await response_base.success(data={'image_type': img_type, 'image': img})
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