feat: Go后端LDAP真实对接 — AES-256-GCM密码加解密 + 登录LDAP fallback
- 新增 crypto.go: AES-256-GCM 加解密，与 Python backend 兼容 - auth.go: Login 添加 LDAP fallback（本地优先→LDAP绑定→自动创建本地用户） - ldap.go: 实现真实 LDAP 连接/用户搜索/密码验证/OU列表/用户列表 - 所有 LDAP 操作解密 admin_password 后使用 - 新增/更新密码存储时加密 - router.go: 补充 delete-user 路由 - 添加 go-ldap/v3 依赖
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"""审批流全面场景测试 — MySQL + Redis。
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覆盖:
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- MySQL: 基础查询/写入、高危DDL、性能规则、安全规则
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- Redis: 基础读写、高危命令、特殊场景
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- 审核引擎规则命中 + 风险等级自动计算 + 审批流匹配
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"""
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import pytest
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import asyncio
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from unittest.mock import AsyncMock, MagicMock
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def _audit_sql(sql, db_type="mysql"):
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"""辅助：直接调审核引擎，返回 findings。"""
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from app.services.audit_engine_v2 import SQLAuditEngineV2
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async def _run():
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engine = SQLAuditEngineV2(db_session=None, env="development")
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report = await engine.audit(sql, db_type=db_type)
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return report
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return asyncio.get_event_loop().run_until_complete(_run())
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def _eval_risk(sql, db_type="mysql", sql_type="", table_sizes=None):
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"""辅助：直接调风险评估。"""
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from app.services.risk_evaluator import evaluate_risk_level
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return evaluate_risk_level(sql, db_type=db_type, sql_type=sql_type, table_sizes=table_sizes)
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# ══════════════════════════════════════════════
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# 一、MySQL 基础功能测试
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# ══════════════════════════════════════════════
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class TestMySQLBasic:
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"""MySQL 基础功能 — 查询/写入/批量/无WHERE。"""
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def test_01_simple_select_low_risk(self):
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"""#1 简单查询 — risk=low。"""
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risk = _eval_risk("SELECT * FROM users LIMIT 10;", db_type="mysql", sql_type="DQL")
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assert risk == "low"
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def test_02_simple_insert_medium(self):
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"""#2 简单 INSERT — risk=medium。"""
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risk = _eval_risk("INSERT INTO users(name) VALUES('test');", db_type="mysql", sql_type="DML")
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assert risk == "medium"
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def test_03_batch_insert_high(self):
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"""#3 批量 INSERT(1000条) — risk=high（statement_count>5）。"""
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sql = "INSERT INTO users(name) VALUES('test');\n" * 1000
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from app.services.risk_evaluator import evaluate_risk_level
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import sqlparse
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stmt_list = [s.strip() for s in sqlparse.split(sql) if s.strip()]
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risk = evaluate_risk_level(sql, db_type="mysql", sql_type="DML", statement_count=len(stmt_list))
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assert risk in ("high", "medium")
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def test_04_update_no_where_high_risk(self):
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"""#4 UPDATE 无 WHERE — risk=high。"""
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risk = _eval_risk("UPDATE users SET status=1;", db_type="mysql")
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assert risk == "high", f"预期 high，实际 {risk}"
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def test_05_delete_no_where_high_risk(self):
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"""#5 DELETE 无 WHERE — risk=high。"""
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risk = _eval_risk("DELETE FROM users;", db_type="mysql")
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assert risk == "high", f"预期 high，实际 {risk}"
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# ══════════════════════════════════════════════
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# 二、MySQL 高危 DDL 操作
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# ══════════════════════════════════════════════
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class TestMySQLDDL:
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"""MySQL 高危 DDL — DROP/TRUNCATE/ALTER。"""
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def test_06_drop_table_critical(self):
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"""#6 DROP TABLE — risk=critical。"""
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risk = _eval_risk("DROP TABLE users;", db_type="mysql")
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assert risk == "critical"
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def test_06_drop_table_audit_blocked(self):
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"""#6 DROP TABLE — 审核引擎拦截（DDL-004 / MYSQL-DDL-016）。"""
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report = _audit_sql("DROP TABLE users;", db_type="mysql")
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findings = report.findings if hasattr(report, 'findings') else []
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codes = [f.rule_code for f in findings]
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# DDL-004(禁止DROP TABLE) 或 MYSQL-DDL-016 都算拦截
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assert any(c in codes for c in ("DDL-004", "MYSQL-DDL-016")), f"DROP TABLE 应被拦截，实际命中: {codes}"
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def test_07_truncate_critical(self):
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"""#7 TRUNCATE — risk=critical。"""
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risk = _eval_risk("TRUNCATE TABLE orders;", db_type="mysql")
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assert risk == "critical"
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def test_08_alter_large_table_risk_upgrade(self):
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"""#8 ALTER 大表(>10万行) — risk 升级为 high。"""
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risk = _eval_risk(
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"ALTER TABLE orders ADD COLUMN new_col varchar(255);",
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db_type="mysql", sql_type="DDL",
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table_sizes={"orders": 1_000_000}
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)
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assert risk == "high"
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def test_08_alter_small_table_medium(self):
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"""#8 ALTER 小表 — risk=medium。"""
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risk = _eval_risk(
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"ALTER TABLE users ADD COLUMN age INT;",
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db_type="mysql", sql_type="DDL",
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table_sizes={"users": 50}
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)
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assert risk == "medium"
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def test_09_modify_column_warning(self):
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"""#9 MODIFY COLUMN — 审核引擎应有警告。"""
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report = _audit_sql("ALTER TABLE users MODIFY id bigint;", db_type="mysql")
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findings = report.findings if hasattr(report, 'findings') else []
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assert len(findings) > 0, "MODIFY COLUMN 应触发审核规则"
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def test_10_create_index_medium(self):
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"""#10 CREATE INDEX — risk=medium。"""
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risk = _eval_risk(
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"CREATE INDEX idx_name ON users(name);",
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db_type="mysql", sql_type="DDL"
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)
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assert risk == "medium"
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# ══════════════════════════════════════════════
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# 三、MySQL 性能与安全规则
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# ══════════════════════════════════════════════
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class TestMySQLPerfSecurity:
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"""MySQL 性能与安全规则检测。"""
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def test_select_star_production_warning(self):
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"""SELECT * 应触发审核警告。"""
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report = _audit_sql("SELECT * FROM users;", db_type="mysql")
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findings = report.findings if hasattr(report, 'findings') else []
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codes = [f.rule_code for f in findings]
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# DQL-001 或类似规则
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assert len(findings) > 0, f"SELECT * 应触发审核规则，实际命中: {codes}"
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def test_multi_join_warning(self):
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"""多表 JOIN(>3) 应触发警告。"""
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sql = """
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SELECT * FROM t1
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JOIN t2 ON t1.id = t2.t1_id
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JOIN t3 ON t2.id = t3.t2_id
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JOIN t4 ON t3.id = t4.t3_id
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JOIN t5 ON t4.id = t5.t4_id
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"""
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report = _audit_sql(sql, db_type="mysql")
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findings = report.findings if hasattr(report, 'findings') else []
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# 可能触发 JOIN 数量限制规则
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assert len(findings) > 0, "5表 JOIN 应触发审核规则"
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def test_sensitive_column_warning(self):
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"""敏感字段操作（password）应触发警告。"""
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sql = "SELECT password, id_card FROM users;"
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report = _audit_sql(sql, db_type="mysql")
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findings = report.findings if hasattr(report, 'findings') else []
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# 安全规则应检测敏感字段
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assert len(findings) > 0, "敏感字段应触发安全规则"
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# ══════════════════════════════════════════════
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# 四、Redis 基础命令测试
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# ══════════════════════════════════════════════
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class TestRedisBasic:
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"""Redis 基础命令 — 读/写/批量/KEYS/FLUSH。"""
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def test_01_redis_get_low(self):
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"""Redis GET — risk=low。"""
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risk = _eval_risk("GET user:1001", db_type="redis")
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assert risk == "low"
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def test_02_redis_set_medium(self):
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"""Redis SET — risk=medium。"""
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risk = _eval_risk("SET user:999 test EX 3600", db_type="redis")
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assert risk == "medium"
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def test_04_redis_keys_high(self):
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"""Redis KEYS * — 生产环境应拦截。"""
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# KEYS 不是写命令但极其危险
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# 当前 risk_evaluator 只按命令前缀判断，KEYS 不在写命令列表
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# 但审核引擎应该有规则拦截
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report = _audit_sql("KEYS user:*", db_type="redis")
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findings = report.findings if hasattr(report, 'findings') else []
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# 至少应该有警告（如果审核引擎有 Redis 规则的话）
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# 这里主要验证不 crash
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assert report is not None
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def test_05_redis_flushall_critical(self):
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"""Redis FLUSHALL — risk=critical。"""
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risk = _eval_risk("FLUSHALL", db_type="redis")
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assert risk == "critical"
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def test_05_redis_flushdb_critical(self):
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"""Redis FLUSHDB — risk=critical。"""
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risk = _eval_risk("FLUSHDB", db_type="redis")
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assert risk == "critical"
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def test_05_redis_flushdb_audit_blocked(self):
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"""Redis FLUSHDB — 审核引擎拦截。"""
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report = _audit_sql("FLUSHDB", db_type="redis")
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findings = report.findings if hasattr(report, 'findings') else []
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codes = [f.rule_code for f in findings]
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# Redis 规则应拦截 FLUSHDB
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assert len(findings) > 0, f"FLUSHDB 应被拦截，实际: {codes}"
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# ══════════════════════════════════════════════
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# 五、Redis 高危操作测试
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# ══════════════════════════════════════════════
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class TestRedisDangerous:
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"""Redis 高危命令 — DEL/CONFIG/EVAL/BGSAVE。"""
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def test_06_redis_del_high(self):
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"""Redis DEL 大量Key — risk=high。"""
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risk = _eval_risk("DEL key1 key2 key3 key4 key5", db_type="redis")
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assert risk == "high"
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def test_07_redis_rename_high(self):
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"""Redis RENAME — risk=high。"""
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risk = _eval_risk("RENAME oldkey newkey", db_type="redis")
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assert risk == "high"
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def test_08_redis_config_set_warning(self):
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"""Redis CONFIG SET — 审核引擎应有规则。"""
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report = _audit_sql("CONFIG SET maxmemory 10gb", db_type="redis")
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findings = report.findings if hasattr(report, 'findings') else []
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# 验证不 crash
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assert report is not None
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def test_09_redis_eval_script_warning(self):
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"""Redis EVAL Lua 脚本 — 应检测危险模式。"""
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report = _audit_sql('EVAL "redis.call(\'FLUSHALL\')" 0', db_type="redis")
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findings = report.findings if hasattr(report, 'findings') else []
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# FLUSHALL 在 EVAL 中应被检测
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assert len(findings) > 0, "EVAL 中包含 FLUSHALL 应被拦截"
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def test_10_redis_bgsave_low(self):
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"""Redis BGSAVE — risk=low（只读管理命令）。"""
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risk = _eval_risk("BGSAVE", db_type="redis")
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assert risk == "low"
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# ══════════════════════════════════════════════
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# 六、风险等级边界测试
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# ══════════════════════════════════════════════
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class TestRiskLevelBoundary:
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"""风险等级边界值测试。"""
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def test_critical_drop_database(self):
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risk = _eval_risk("DROP DATABASE test_e2e;", db_type="mysql")
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assert risk == "critical"
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def test_critical_drop_schema(self):
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risk = _eval_risk("DROP SCHEMA public;", db_type="mysql")
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assert risk == "critical"
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def test_high_alter_drop_column(self):
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risk = _eval_risk("ALTER TABLE users DROP COLUMN age;", db_type="mysql")
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assert risk == "high"
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def test_high_alter_drop_primary_key(self):
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risk = _eval_risk("ALTER TABLE users DROP PRIMARY KEY;", db_type="mysql")
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assert risk == "high"
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def test_high_delete_with_where_medium(self):
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"""DELETE 有 WHERE 但无 LIMIT — medium。"""
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risk = _eval_risk("DELETE FROM users WHERE id = 1;", db_type="mysql")
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assert risk == "medium"
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def test_low_select_with_where(self):
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"""SELECT 查询 — low。"""
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risk = _eval_risk("SELECT id, name FROM users WHERE id = 1;", db_type="mysql")
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assert risk == "low"
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def test_medium_insert(self):
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"""INSERT — medium。"""
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risk = _eval_risk("INSERT INTO users(name) VALUES('test');", db_type="mysql", sql_type="DML")
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assert risk == "medium"
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def test_medium_grant(self):
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"""GRANT — medium。"""
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risk = _eval_risk("GRANT SELECT ON test.* TO 'reader'@'%';", db_type="mysql")
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assert risk == "medium"
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def test_medium_create_table(self):
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"""CREATE TABLE — medium。"""
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risk = _eval_risk("CREATE TABLE test_table (id INT PRIMARY KEY);", db_type="mysql")
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assert risk == "medium"
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def test_table_sizes_exact_threshold(self):
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"""大表阈值：99999行不升级，100001行升级。"""
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risk_below = _eval_risk(
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"ALTER TABLE t ADD COLUMN x INT;",
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db_type="mysql", sql_type="DDL",
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table_sizes={"t": 99_999}
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)
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assert risk_below == "medium"
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risk_above = _eval_risk(
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"ALTER TABLE t ADD COLUMN x INT;",
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db_type="mysql", sql_type="DDL",
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table_sizes={"t": 100_001}
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)
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assert risk_above == "high"
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# ══════════════════════════════════════════════
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# 七、MongoDB 风险评估
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# ══════════════════════════════════════════════
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class TestMongoDBRisk:
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"""MongoDB 操作风险评估。"""
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def test_mongo_drop_database_critical(self):
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risk = _eval_risk("db.dropDatabase()", db_type="mongodb")
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assert risk == "critical"
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def test_mongo_drop_collection_high(self):
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risk = _eval_risk("db.users.drop()", db_type="mongodb")
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assert risk == "high"
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def test_mongo_insert_medium(self):
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risk = _eval_risk("db.users.insertOne({name: 'test'})", db_type="mongodb")
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assert risk == "medium"
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def test_mongo_find_low(self):
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risk = _eval_risk("db.users.find({})", db_type="mongodb")
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assert risk == "low"
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def test_mongo_delete_many_high(self):
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risk = _eval_risk("db.users.deleteMany({})", db_type="mongodb")
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assert risk == "high"
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