148 lines
6.1 KiB
Python
148 lines
6.1 KiB
Python
#!/usr/bin/env python3
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"""
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诊断脚本：验证图片 URL 和 Word 文档 URL 是否可访问
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"""
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import urllib.request
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import requests
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import sys
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from typing import Dict, List, Tuple
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def check_url(url: str, headers: Dict[str, str] = None, timeout: int = 10) -> Tuple[bool, str, int]:
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"""
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检查 URL 是否可访问
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Args:
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url: 要检查的 URL
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headers: HTTP 头
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timeout: 超时时间（秒）
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Returns:
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(is_valid, error_message, status_code)
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"""
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if headers is None:
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headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
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'Accept': '*/*',
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}
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try:
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req = urllib.request.Request(url, headers=headers)
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with urllib.request.urlopen(req, timeout=timeout) as response:
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status_code = response.getcode()
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content_type = response.headers.get('Content-Type', '')
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# 读取前 100 字节检查
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preview = response.read(100)
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# 检查是否为 HTML 错误页面
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if b'<html' in preview.lower() or b'<!doctype' in preview.lower():
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error_msg = f"返回 HTML 页面（状态码: {status_code}）"
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if b'404' in preview.lower():
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error_msg = "返回 404 错误页面"
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elif b'403' in preview.lower():
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error_msg = "返回 403 禁止访问页面"
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return (False, error_msg, status_code)
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# 检查内容类型
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if 'image' in content_type:
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return (True, f"图片 - {content_type}", status_code)
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elif 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' in content_type or 'application/msword' in content_type:
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return (True, f"Word 文档 - {content_type}", status_code)
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else:
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return (True, f"其他类型 - {content_type}", status_code)
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except urllib.error.HTTPError as e:
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status_code = e.code
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error_msg = f"HTTP 错误 {status_code}"
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if status_code == 404:
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error_msg = "404 Not Found - 资源不存在"
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elif status_code == 403:
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error_msg = "403 Forbidden - 禁止访问"
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elif status_code == 401:
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error_msg = "401 Unauthorized - 需要认证"
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return (False, error_msg, status_code)
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except urllib.error.URLError as e:
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return (False, f"网络错误: {str(e)[:100]}", 0)
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except Exception as e:
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return (False, f"未知错误: {str(e)[:100]}", 0)
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def main():
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# 测试 URL 列表
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image_urls = [
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/18/69baa4f5-4826-4901-00e1-c6e66f02947f.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c344ba-4826-4901-00e1-c6ff235a12b2.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c344ba-4826-4901-00e1-c7055a396422.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c344ba-4826-4901-00e1-c6fe7f9c07ef.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c344ba-4826-4901-00e1-c70052d895e3.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c344ba-4826-4901-00e1-c6fc6ca7c4bf.png?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c33f31-4826-4901-00e1-c6fb50697e06.png?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/23/69c1029b-4826-4901-00e1-c6f614bc06d9.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/25/69c344ba-4826-4901-00e1-c6fd479e0a0e.jpg?x-oss-process=image/resize,w_1000",
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"https://dpcclass.oss-cn-beijing.aliyuncs.com/umsupload/2026/03/23/69c1029b-4826-4901-00e1-c6f569b31a14.jpeg?x-oss-process=image/resize,w_1000",
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]
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doc_url = "https://dpc-oss.23544.com/umsupload/2026/03/25/69c353d0-4826-4901-00e1-c7081bcab988.docx"
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print("=" * 80)
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print("图片 URL 诊断")
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print("=" * 80)
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valid_count = 0
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invalid_count = 0
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for i, url in enumerate(image_urls, 1):
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is_valid, msg, status_code = check_url(url)
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status = "✅ 有效" if is_valid else "❌ 无效"
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print(f"{i}. {status} - {msg}")
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print(f" URL: {url}")
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print(f" 状态码: {status_code}")
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print()
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if is_valid:
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valid_count += 1
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else:
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invalid_count += 1
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print("=" * 80)
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print(f"汇总: {valid_count} 个有效，{invalid_count} 个无效")
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print("=" * 80)
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print()
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print("=" * 80)
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print("Word 文档 URL 诊断")
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print("=" * 80)
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is_valid, msg, status_code = check_url(doc_url)
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status = "✅ 有效" if is_valid else "❌ 无效"
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print(f"{status} - {msg}")
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print(f"URL: {doc_url}")
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print(f"状态码: {status_code}")
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print()
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if invalid_count > 0:
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print("=" * 80)
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print("⚠️ 警告：部分 URL 无法访问")
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print("=" * 80)
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print("可能的原因：")
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print("1. URL 已过期（阿里云 OSS 签名 URL 有时效性）")
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print("2. 访问权限不足（需要认证或 IP 白名单）")
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print("3. 网络连接问题（Docker 容器网络配置）")
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print("4. 文件已被删除或移动")
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print()
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print("建议：")
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print("- 检查这些 URL 是否在浏览器中可以访问")
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print("- 如果使用签名 URL，确保 URL 未过期")
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print("- 检查 Docker 容器的网络配置和 DNS 设置")
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print("- 考虑使用公开可访问的 URL 或配置 OSS 访问权限")
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sys.exit(1)
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else:
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print("✅ 所有 URL 均可访问")
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sys.exit(0)
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if __name__ == "__main__":
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main()
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