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.
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@@ -74,6 +74,73 @@ def test_sms_send_too_frequent(client) -> None:
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assert client.post("/api/v1/auth/sms/send", json={"phone": phone}).status_code == 429
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def test_sms_send_device_ip_rate_limit(client, monkeypatch) -> None:
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"""发码防刷:同一设备(device_id) + 同一 IP 每小时最多 N 次发码,超出 429。
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用不同手机号(绕开单号 60s 冷却)证明限流按设备封顶 —— 堵「换号绕开单号冷却/每日上限」的洞。
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conftest 默认关限流;本用例临时打开 + 调小阈值(避开同 IP 10/分钟那道)+ 清计数隔离。"""
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from app.api.v1 import auth
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from app.core import ratelimit
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monkeypatch.setattr(ratelimit.settings, "RATE_LIMIT_ENABLED", True)
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monkeypatch.setattr(auth, "SMS_SEND_MAX_PER_HOUR_PER_DEVICE", 3)
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ratelimit._buckets.clear()
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device = "dev-send-A"
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# 同设备、每次换不同手机号(绕开单号冷却)发码,前 3 次 200
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for i in range(3):
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r = client.post(
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"/api/v1/auth/sms/send",
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json={"phone": f"137001370{i:02d}", "device_id": device},
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)
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assert r.status_code == 200, f"第 {i + 1} 次应放行: {r.text}"
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# 第 4 次:同设备超限 → 429(即便又换了手机号)
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r = client.post(
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"/api/v1/auth/sms/send",
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json={"phone": "13700137003", "device_id": device},
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)
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assert r.status_code == 429, r.text
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# 换个设备 → 独立计数(限流键含 device_id),放行
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r = client.post(
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"/api/v1/auth/sms/send",
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json={"phone": "13700137004", "device_id": "dev-send-B"},
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)
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assert r.status_code == 200, r.text
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def test_sms_login_device_ip_rate_limit(client, monkeypatch) -> None:
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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,超出 429。
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conftest 默认 RATE_LIMIT_ENABLED=false(内存计数跨用例累加),本用例临时打开并清空计数隔离。"""
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from app.api.v1 import auth
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from app.core import ratelimit
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monkeypatch.setattr(ratelimit.settings, "RATE_LIMIT_ENABLED", True)
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ratelimit._buckets.clear() # 隔离:清掉跨用例累加的内存计数
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device = "dev-rl-A"
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# 前 N 次故意每次换手机号、固定设备:mock 校验放行 → 200。证明限流按设备而非手机号,同设备共用一个桶
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for i in range(auth.SMS_LOGIN_MAX_PER_HOUR):
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r = client.post(
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"/api/v1/auth/sms/login",
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json={"phone": f"135331533{i:02d}", "code": "123456", "device_id": device},
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)
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assert r.status_code == 200, f"第 {i + 1} 次应放行: {r.text}"
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# 第 N+1 次:同设备同 IP 超限 → 429(即便又换了个手机号)
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r = client.post(
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"/api/v1/auth/sms/login",
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json={"phone": "13533153399", "code": "123456", "device_id": device},
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)
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assert r.status_code == 429, r.text
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assert "频繁" in r.json()["detail"]
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# 同 IP 换个设备 → 独立计数(限流键含 device_id、非纯 IP/手机号),仍放行
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r = client.post(
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"/api/v1/auth/sms/login",
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json={"phone": "13533153300", "code": "123456", "device_id": "dev-rl-B"},
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)
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assert r.status_code == 200, r.text
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def test_sms_login_bad_code(client) -> None:
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"""mock 下校验位数:5 位过 schema 但业务要 6 位 → 400。"""
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phone = "13700137000"
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@@ -142,6 +142,54 @@ def test_send_does_not_consume_quota(client, enabled, monkeypatch) -> None:
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assert client.post("/api/v1/auth/sms/login", json={"phone": TEST_PHONE, "code": "1234"}).status_code == 429
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# ============================ 登录限流豁免 ============================
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def test_exempt_from_device_ip_login_rate_limit(client, enabled, monkeypatch) -> None:
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"""测试号豁免 (设备+IP) 每小时登录限流。
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普通设备同设备同 IP 到 SMS_LOGIN_MAX_PER_HOUR 次即被拦(见 test_auth.test_sms_login_device_ip_rate_limit);
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测试号走自己的每日额度、不受这道限流——这里临时打开 RATE_LIMIT_ENABLED,同一设备连登远超该上限仍全 200。
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回归用:防有人把 enforce_rate_limit 挪到测试账号 early-return 之前而破坏豁免。"""
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from app.api.v1 import auth
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from app.core import ratelimit
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monkeypatch.setattr(ratelimit.settings, "RATE_LIMIT_ENABLED", True)
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ratelimit._buckets.clear() # 隔离:清掉跨用例累加的内存计数
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# 同一设备连登 (每小时上限 + 3) 次,远超普通设备会被拦的阈值;测试号豁免 → 全部放行
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for i in range(auth.SMS_LOGIN_MAX_PER_HOUR + 3):
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r = client.post(
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"/api/v1/auth/sms/login",
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json={"phone": TEST_PHONE, "code": "000000", "device_id": "dev-test-exempt"},
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)
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assert r.status_code == 200, (
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f"测试号第 {i + 1} 次登录应放行(豁免每小时限流),实际 {r.status_code}: {r.text}"
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)
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def test_exempt_from_device_ip_send_rate_limit(client, enabled, monkeypatch) -> None:
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"""测试号豁免 (设备+IP) 每小时**发码**限流(与登录那道同样靠早返回豁免)。
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普通设备同设备到 SMS_SEND_MAX_PER_HOUR_PER_DEVICE 次发码即被拦(见 test_auth.test_sms_send_device_ip_rate_limit);
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测试号发码本就短路(不真发)、且在限流之前早返回 → 同一设备连发远超上限仍全 200。
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回归用:防有人把发码限流挪到测试账号 early-return 之前而把 QA 联调也风控了。"""
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from app.api.v1 import auth
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from app.core import ratelimit
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monkeypatch.setattr(ratelimit.settings, "RATE_LIMIT_ENABLED", True)
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monkeypatch.setattr(auth, "SMS_SEND_MAX_PER_HOUR_PER_DEVICE", 2) # 调小:不豁免的话第 3 次就该被拦
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ratelimit._buckets.clear()
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for i in range(auth.SMS_SEND_MAX_PER_HOUR_PER_DEVICE + 2):
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r = client.post(
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"/api/v1/auth/sms/send",
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json={"phone": TEST_PHONE, "device_id": "dev-test-send"},
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)
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assert r.status_code == 200, (
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f"测试号第 {i + 1} 次发码应放行(豁免每小时限流),实际 {r.status_code}: {r.text}"
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)
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# ============================ 计数单元逻辑 ============================
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def test_quota_resets_across_day(enabled, monkeypatch) -> None:
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