mirror of
https://github.com/TencentCloud/TencentDB-Agent-Memory
synced 2026-07-10 12:34:27 +00:00
241 lines
8.8 KiB
Python
241 lines
8.8 KiB
Python
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#!/usr/bin/env python3
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"""
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STS 临时密钥权限排查脚本
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从 Shark 获取 COS 凭证，逐项测试各种 COS 操作权限。
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用法: python3 check_sts_permissions.py
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依赖: pip install cos-python-sdk-v5
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"""
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import json
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import re
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import sys
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import urllib.request
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import traceback
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SHARK_URL = "http://tdai.gateway.cd.test.polaris:8000/meta/GetMemoryPlusCosConfig"
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INSTANCE_ID = "mem-rkgqhd5z"
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def fetch_cos_config():
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"""从 Shark 获取 COS 配置"""
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req = urllib.request.Request(
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SHARK_URL,
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data=b"{}",
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headers={"Content-Type": "application/json"},
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method="POST",
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)
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resp = urllib.request.urlopen(req, timeout=10)
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payload = json.loads(resp.read())
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print("=" * 60)
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print("Shark 原始返回:")
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print(json.dumps(payload, indent=2, ensure_ascii=False))
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print("=" * 60)
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if payload.get("code") != 0:
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print(f"Shark 返回错误: code={payload.get('code')}, message={payload.get('message')}")
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sys.exit(1)
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return payload["data"]
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def parse_cos_url(cos_url):
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"""解析 COS URL 提取 bucket 和 region"""
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host = cos_url.replace("https://", "").replace("http://", "").rstrip("/")
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m = re.match(r"^(.+?)\.cos(?:-internal)?\.(.+?)\.(?:myqcloud\.com|tencentcos\.cn)$", host)
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if not m:
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raise ValueError(f"无法解析 COS URL: {cos_url}")
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return m.group(1), m.group(2)
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def test_permissions(data):
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"""逐项测试 COS 操作权限"""
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try:
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from qcloud_cos import CosConfig, CosS3Client
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except ImportError:
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print("\n请先安装 COS SDK: pip install cos-python-sdk-v5")
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sys.exit(1)
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cos_url = data["CosUrl"]
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secret_id = data["TmpSecretId"]
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secret_key = data["TmpSecretKey"]
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token = data["TmpToken"]
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path_prefix = data["PathPrefix"]
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expiration = data.get("ExpirationTime", "未知")
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bucket, region = parse_cos_url(cos_url)
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print(f"\n凭证信息:")
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print(f" CosUrl: {cos_url}")
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print(f" Bucket: {bucket}")
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print(f" Region: {region}")
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print(f" TmpSecretId: {secret_id[:10]}...{secret_id[-4:]}")
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print(f" TmpSecretKey: {secret_key[:6]}...{secret_key[-4:]}")
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print(f" TmpToken: {'有' if token else '无'} (长度={len(token) if token else 0})")
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print(f" PathPrefix: {path_prefix}")
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print(f" Expiration: {expiration}")
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# 实际 prefix（按 memory service 逻辑拼接）
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prefix = f"{path_prefix.rstrip('/')}/{INSTANCE_ID}/"
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print(f" 实际 Key 前缀: {prefix}")
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# 同时测试外网域名（开发机可能无法访问 cos-internal）
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# 如果 CosUrl 是内网域名，先用外网试
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use_public = "cos-internal" in cos_url or "tencentcos.cn" in cos_url
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if use_public:
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print(f"\n 注意: CosUrl 为内网域名，将同时用外网域名测试")
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config = CosConfig(
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Region=region,
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SecretId=secret_id,
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SecretKey=secret_key,
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Token=token,
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)
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client = CosS3Client(config)
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test_key = f"{prefix}__permission_test__.txt"
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results = {}
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# ── Test 1: GetService (列出所有 Bucket) ──
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print(f"\n{'─' * 60}")
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print("Test 1: GetService (列出所有 Bucket)")
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try:
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resp = client.list_buckets()
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buckets = resp.get("Buckets", {}).get("Bucket", [])
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results["GetService"] = f"OK ({len(buckets)} buckets)"
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print(f" ✅ OK - 可见 {len(buckets)} 个 Bucket")
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for b in buckets[:5]:
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print(f" - {b.get('Name', '?')} ({b.get('Location', '?')})")
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if len(buckets) > 5:
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print(f" ... 及其他 {len(buckets) - 5} 个")
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except Exception as e:
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results["GetService"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 2: HeadBucket (检查 Bucket 是否存在/可访问) ──
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print(f"\nTest 2: HeadBucket (Bucket={bucket})")
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try:
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client.head_bucket(Bucket=bucket)
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results["HeadBucket"] = "OK"
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print(f" ✅ OK - Bucket 存在且可访问")
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except Exception as e:
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results["HeadBucket"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 3: GetBucket / ListObjects (在 prefix 下列出对象) ──
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print(f"\nTest 3: ListObjects (Prefix={prefix})")
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try:
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resp = client.list_objects(Bucket=bucket, Prefix=prefix, MaxKeys=10)
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contents = resp.get("Contents", [])
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results["ListObjects"] = f"OK ({len(contents)} objects)"
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print(f" ✅ OK - 列出 {len(contents)} 个对象")
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for c in contents[:5]:
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print(f" - {c['Key']} ({c['Size']} bytes)")
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except Exception as e:
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results["ListObjects"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 3b: ListObjects 在 PathPrefix 下（不带 instanceId）──
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raw_prefix = path_prefix.rstrip("/") + "/"
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print(f"\nTest 3b: ListObjects (Prefix={raw_prefix}, 不带 instanceId)")
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try:
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resp = client.list_objects(Bucket=bucket, Prefix=raw_prefix, MaxKeys=10)
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contents = resp.get("Contents", [])
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results["ListObjects(raw)"] = f"OK ({len(contents)} objects)"
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print(f" ✅ OK - 列出 {len(contents)} 个对象")
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for c in contents[:5]:
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print(f" - {c['Key']} ({c['Size']} bytes)")
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except Exception as e:
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results["ListObjects(raw)"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 3c: ListObjects 在 bucket 根目录 ──
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print(f"\nTest 3c: ListObjects (Prefix='', Bucket 根目录)")
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try:
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resp = client.list_objects(Bucket=bucket, Prefix="", MaxKeys=10)
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contents = resp.get("Contents", [])
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results["ListObjects(root)"] = f"OK ({len(contents)} objects)"
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print(f" ✅ OK - 列出 {len(contents)} 个对象")
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for c in contents[:5]:
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print(f" - {c['Key']} ({c['Size']} bytes)")
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except Exception as e:
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results["ListObjects(root)"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 4: PutObject (写入测试文件) ──
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print(f"\nTest 4: PutObject (Key={test_key})")
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try:
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resp = client.put_object(
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Bucket=bucket,
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Body=b"permission test",
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Key=test_key,
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ContentType="text/plain",
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)
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results["PutObject"] = f"OK (ETag={resp.get('ETag', '?')})"
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print(f" ✅ OK - ETag={resp.get('ETag', '?')}")
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except Exception as e:
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results["PutObject"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 5: GetObject (读取刚写入的文件) ──
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print(f"\nTest 5: GetObject (Key={test_key})")
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try:
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resp = client.get_object(Bucket=bucket, Key=test_key)
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body = resp["Body"].get_raw_stream().read()
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results["GetObject"] = f"OK ({len(body)} bytes)"
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print(f" ✅ OK - 读到 {len(body)} 字节: {body[:50]}")
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except Exception as e:
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results["GetObject"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 6: HeadObject (获取文件元数据) ──
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print(f"\nTest 6: HeadObject (Key={test_key})")
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try:
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resp = client.head_object(Bucket=bucket, Key=test_key)
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results["HeadObject"] = f"OK (size={resp.get('Content-Length', '?')})"
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print(f" ✅ OK - Content-Length={resp.get('Content-Length', '?')}")
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except Exception as e:
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results["HeadObject"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── Test 7: DeleteObject (删除测试文件) ──
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print(f"\nTest 7: DeleteObject (Key={test_key})")
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try:
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client.delete_object(Bucket=bucket, Key=test_key)
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results["DeleteObject"] = "OK"
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print(f" ✅ OK - 删除成功")
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except Exception as e:
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results["DeleteObject"] = f"DENIED ({e})"
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print(f" ❌ DENIED - {e}")
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# ── 汇总 ──
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print(f"\n{'=' * 60}")
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print("权限汇总:")
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print(f"{'=' * 60}")
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for op, status in results.items():
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icon = "✅" if status.startswith("OK") else "❌"
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print(f" {icon} {op:25s} → {status}")
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print(f"{'=' * 60}")
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ok_count = sum(1 for s in results.values() if s.startswith("OK"))
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total = len(results)
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print(f"\n结论: {ok_count}/{total} 项操作有权限")
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if ok_count == 0:
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print("⚠️ STS 临时密钥无任何 COS 操作权限！需要 Shark 团队修复 STS Policy。")
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print(" 所需权限: cos:GetObject, cos:PutObject, cos:DeleteObject, cos:GetBucket, cos:HeadObject")
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elif ok_count < total:
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denied = [op for op, s in results.items() if not s.startswith("OK")]
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print(f"⚠️ 部分操作无权限: {', '.join(denied)}")
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else:
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print("✅ STS 临时密钥拥有完整的 COS 操作权限，write_scenario 应该可以正常工作。")
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if __name__ == "__main__":
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print("STS 临时密钥权限排查")
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print(f"Shark 地址: {SHARK_URL}")
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print(f"实例 ID: {INSTANCE_ID}")
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data = fetch_cos_config()
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test_permissions(data)
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