tzt
a9f3405970
- ledger.py：students/keys CRUD + 日限额 check_and_count（跨日重置，注入时钟）+ 流水分页；计费两阶段拆分至 billing.py（BillingMixin，评审聚焦）： try_hold 锁内读现状->日上限判定->余额原子防线->holding 流水（request_id 幂等）、 settle 按真实值回补（预扣-实际）差额、void 全额退款（上游失败） - auth.py：issue_key（sk-campus- 前缀，明文只返回一次，库存 sha256+前缀）、 authenticate 校验链（形态/注销/停用/日额/rpm，热路径 LRU TTL30s D-P10）、 RateLimiter（令牌桶 rpm + per-key 并发信号量，D-P9 单进程）、 verify_admin（hmac.compare_digest；未配置仅 loopback） - 测试 +17：签发/错key/注销/停用/403/rpm 429/日额 429/并发槽/admin 策略 + 预扣-结算-回补一致/双向差额/余额不足/日上限/幂等/跨日重置/void/并发10路不超扣 - 全量 339 passed
119 lines
3.8 KiB
Python
119 lines
3.8 KiB
Python
"""代理鉴权/限流测试（T-P1）。"""
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import threading
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import time
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import pytest
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from gateway.proxy.auth import (
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KEY_PREFIX,
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RateLimiter,
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authenticate,
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issue_key,
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reset_auth_state,
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verify_admin,
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)
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from gateway.proxy.errors import (
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ProxyAuthError,
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QuotaError,
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SuspendedError,
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)
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from gateway.proxy.ledger import Ledger
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@pytest.fixture()
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def env(tmp_path):
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reset_auth_state()
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led = Ledger.init_db(tmp_path / "proxy.sqlite3")
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sid = led.upsert_student("张三", "py24", balance_yuan=10.0, daily_cap_yuan=5.0)
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yield {"ledger": led, "sid": sid}
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reset_auth_state()
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def test_issue_and_authenticate_roundtrip(env):
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"""签发 -> 鉴权通过 -> 上下文含学生信息。"""
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led = env["ledger"]
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k = issue_key(led, env["sid"], rpm_cap=10, day_cap_req=200)
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assert k["key"].startswith(KEY_PREFIX)
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ctx = authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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assert ctx["key_id"] == k["key_id"]
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assert ctx["student_id"] == env["sid"]
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assert ctx["student_status"] == "active"
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def _AUTH_LIMITS():
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from gateway.proxy.auth import _AUTH_SINGLETON_LIMITS
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return _AUTH_SINGLETON_LIMITS
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def test_auth_bad_key_401(env):
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led = env["ledger"]
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with pytest.raises(ProxyAuthError):
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authenticate("Bearer sk-campus-wrong", led, _AUTH_LIMITS())
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with pytest.raises(ProxyAuthError):
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authenticate("wrong-scheme", led, _AUTH_LIMITS())
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with pytest.raises(ProxyAuthError):
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authenticate("", led, _AUTH_LIMITS())
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def test_auth_revoked_401(env):
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"""注销后鉴权 401（热缓存主动失效路径）。"""
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led = env["ledger"]
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k = issue_key(led, env["sid"])
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authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS()) # 热缓存
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assert led.revoke_key(k["key_id"]) is True
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# 注销后缓存内 ctx 仍会查库 revoked 字段？——当前实现缓存整行：
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# revoke 后 find_key 不再命中；这里强制走一次缓存过期模拟最坏 30s 窗口
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reset_auth_state()
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with pytest.raises(ProxyAuthError):
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authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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def test_auth_suspended_403(env):
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led = env["ledger"]
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k = issue_key(led, env["sid"])
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led.set_status(env["sid"], "suspended")
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reset_auth_state()
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with pytest.raises(SuspendedError):
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authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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def test_rpm_token_bucket_429(env):
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"""rpm 令牌桶：突发超过容量被拒（进程内）。"""
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led = env["ledger"]
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k = issue_key(led, env["sid"], rpm_cap=3, day_cap_req=1000)
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results = [authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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for _ in range(3)]
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assert len(results) == 3
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with pytest.raises(QuotaError):
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authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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def test_day_req_cap_429(env):
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"""日请求上限（持久计数，跨进程语义）：第 cap+1 次 429。"""
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led = env["ledger"]
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k = issue_key(led, env["sid"], rpm_cap=1000, day_cap_req=5)
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for _ in range(5):
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authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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with pytest.raises(QuotaError):
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authenticate(f"Bearer {k['key']}", led, _AUTH_LIMITS())
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def test_rate_limiter_concurrent_slots():
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"""并发槽信号量：acquire/release 配平。"""
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rl = RateLimiter(concurrent_per_key=2)
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assert rl.acquire_slot(1) is True
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assert rl.acquire_slot(1) is True
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assert rl.acquire_slot(1) is False
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rl.release_slot(1)
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assert rl.acquire_slot(1) is True
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rl.release_slot(1)
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rl.release_slot(1)
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def test_verify_admin_policy():
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"""配置 admin_key -> compare_digest；未配置 -> 仅 loopback。"""
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assert verify_admin("secret", "secret", "1.2.3.4") is True
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assert verify_admin("wrong", "secret", "127.0.0.1") is False
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assert verify_admin("", "", "127.0.0.1") is True
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assert verify_admin("", "", "8.8.8.8") is False
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