feat(auth): 短信登录防刷 — 同一设备id同IP 每小时限 5 次 (#78)
Co-authored-by: zzhyyyyy <2685922758@qq.com> Reviewed-on: #78 Co-authored-by: zhuzihao <zhuzihao@wonderable.ai> Co-committed-by: zhuzihao <zhuzihao@wonderable.ai>
This commit was merged in pull request #78.
This commit is contained in:
+37
-4
@@ -12,11 +12,11 @@ from __future__ import annotations
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import logging
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from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi import APIRouter, Depends, HTTPException, Request, status
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from app.api.deps import CurrentUser, DbSession
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from app.core import test_account
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from app.core.ratelimit import rate_limit
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from app.core.ratelimit import enforce_rate_limit, rate_limit
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from app.core.security import TokenError, decode_token, issue_token_pair
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from app.integrations.jiguang import JiguangError, mask_phone, verify_and_get_phone
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from app.integrations.sms import SmsError, send_code, verify_code
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@@ -38,6 +38,12 @@ logger = logging.getLogger("shagua.auth")
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router = APIRouter(prefix="/api/v1/auth", tags=["auth"])
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# 手机号登录防刷:同一设备(device_id) + 同一 IP 每小时最多的登录尝试次数(成功/失败都计)。
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SMS_LOGIN_MAX_PER_HOUR = 5
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# 发码防刷:同一设备(device_id) + 同一 IP 每小时最多的发码次数。比登录略宽(发码含正常重发);
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# 堵「换手机号绕开单号 60s 冷却 / 单号每日上限」的洞 —— 那两道是单号维度,一机换号能绕开。
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SMS_SEND_MAX_PER_HOUR_PER_DEVICE = 10
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def _login_response(
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user, *, onboarding_completed: bool, force_onboarding: bool = False
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@@ -86,13 +92,26 @@ def jverify_login(req: JverifyLoginRequest, db: DbSession) -> TokenWithUser:
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summary="发送短信验证码",
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dependencies=[Depends(rate_limit(10, 60, "sms-send"))], # 同 IP 每分钟≤10 次(防一 IP 刷不同号)
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)
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def sms_send(req: SmsSendRequest) -> SmsSendResponse:
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def sms_send(req: SmsSendRequest, request: Request) -> SmsSendResponse:
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# 测试账号:不真发短信(号码非真实手机号,真发会失败/浪费),直接放行让客户端进入填码界面。
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# 真正的"免验证码"在 /sms/login 跳过校验;每日上限也在 login 处算(send 不耗额度)。
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# (也不受下面设备发码限流约束:QA 联调要反复发码。)
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if test_account.is_test_account(req.phone):
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logger.info("test_account sms_send short-circuit (不真发)")
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return SmsSendResponse(sent=True, mock=True, cooldown_sec=0)
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# 防刷:同一设备(device_id) + 同一 IP 每小时最多 SMS_SEND_MAX_PER_HOUR_PER_DEVICE 次发码。
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# 补「换手机号绕开单号 60s 冷却 / 单号每日上限」的洞(那两道是单号维度,一机换号能绕);设备维度按机器封顶,
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# 挡短信轰炸/烧钱。放在真发(send_code)之前 → 超限直接拦下、不真发短信。与路由上 IP 维度(10次/分钟)互补。
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enforce_rate_limit(
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request,
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scope="sms-send-device",
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subject=req.device_id,
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limit=SMS_SEND_MAX_PER_HOUR_PER_DEVICE,
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window_sec=3600,
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detail="操作过于频繁,请稍后再试",
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)
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try:
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cooldown = send_code(req.phone)
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except SmsError as e:
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@@ -109,9 +128,10 @@ def sms_send(req: SmsSendRequest) -> SmsSendResponse:
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summary="手机号+验证码登录",
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dependencies=[Depends(rate_limit(20, 60, "sms-login"))], # 防撞库爆破(另有单码失败次数上限)
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)
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def sms_login(req: SmsLoginRequest, db: DbSession) -> TokenWithUser:
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def sms_login(req: SmsLoginRequest, request: Request, db: DbSession) -> TokenWithUser:
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# 测试账号:免验证码登录 + 每日上限 + 每次都走新手引导(详见 app/core/test_account.py)。
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# 放在最前面:命中即不校验验证码;先扣当日额度,超限直接拒,挡住有人猜到号后脚本刷。
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# 测试账号走自己的每日额度、不受下面 (设备+IP) 每小时限流约束(QA 需在一小时内反复登录联调)。
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if test_account.is_test_account(req.phone):
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if not test_account.try_consume_quota():
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raise HTTPException(status_code=429, detail="测试账号今日使用次数已达上限,请明天再试")
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@@ -123,6 +143,19 @@ def sms_login(req: SmsLoginRequest, db: DbSession) -> TokenWithUser:
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# 不读/不写 onboarding_completion 表。
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return _login_response(user, onboarding_completed=False, force_onboarding=True)
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# 防刷:同一设备(device_id) + 同一 IP 每小时最多 SMS_LOGIN_MAX_PER_HOUR 次登录尝试。放在验证码校验
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# **之前** → 输错验证码的失败尝试也计数,才挡得住撞库/爆破。与路由上 IP 维度的 sms-login 限流(同 IP)互补。
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# ⚠️ 按设备而非手机号 → 一台机器换不同手机号刷登录也受限(防一机狂登多号);device_id 空(老客户端)时
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# 退化为该 IP 下所有空设备聚一桶,仍受限。
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enforce_rate_limit(
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request,
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scope="sms-login-device",
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subject=req.device_id,
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limit=SMS_LOGIN_MAX_PER_HOUR,
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window_sec=3600,
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detail="登录尝试过于频繁,请稍后再试",
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)
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if not verify_code(req.phone, req.code):
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raise HTTPException(status_code=400, detail="invalid sms code")
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