WeChat Article Extractor

Extract metadata and content from WeChat Official Account (微信公众号) articles.

Capabilities

• Parse WeChat article URLs (mp.weixin.qq.com)
• Extract article metadata: title, author, description, publish time
• Extract account info: name, avatar, alias, description
• Get article content (HTML)
• Get cover image URL
• Support multiple article types: post, video, image, voice, text, repost
• Handle various error cases: deleted content, expired links, access limits

Usage

Basic Extraction from URL

const { extract } = require('./scripts/extract.js');

const result = await extract('https://mp.weixin.qq.com/s?__biz=...');
// Returns: { done: true, code: 0, data: {...} }

Extraction from HTML

const html = await fetch(url).then(r => r.text());
const result = await extract(html, { url: sourceUrl });

Options

const result = await extract(url, {
  shouldReturnContent: true,      // Return HTML content (default: true)
  shouldReturnRawMeta: false,     // Return raw metadata (default: false)
  shouldFollowTransferLink: true, // Follow migrated account links (default: true)
  shouldExtractMpLinks: false,    // Extract embedded mp.weixin links (default: false)
  shouldExtractTags: false,       // Extract article tags (default: false)
  shouldExtractRepostMeta: false  // Extract repost source info (default: false)
});

Response Format

Success Response

{
  done: true,
  code: 0,
  data: {
    // Account info
    account_name: "公众号名称",
    account_alias: "微信号",
    account_avatar: "头像URL",
    account_description: "功能介绍",
    account_id: "原始ID",
    account_biz: "biz参数",
    account_biz_number: 1234567890,
    account_qr_code: "二维码URL",

    // Article info
    msg_title: "文章标题",
    msg_desc: "文章摘要",
    msg_content: "HTML内容",
    msg_cover: "封面图URL",
    msg_author: "作者",
    msg_type: "post", // post|video|image|voice|text|repost
    msg_has_copyright: true,
    msg_publish_time: Date,
    msg_publish_time_str: "2024/01/15 10:30:00",

    // Link params
    msg_link: "文章链接",
    msg_source_url: "阅读原文链接",
    msg_sn: "sn参数",
    msg_mid: 1234567890,
    msg_idx: 1
  }
}

Error Response

{
  done: false,
  code: 1001,
  msg: "无法获取文章信息"
}

Error Codes

Code	Message	Description
1000	文章获取失败	General failure
1001	无法获取文章信息	Missing title or publish time
1002	请求失败	HTTP request failed
1003	响应为空	Empty response
1004	访问过于频繁	Rate limited
1005	脚本解析失败	Script parsing error
1006	公众号已迁移	Account migrated
2001	请提供文章内容或链接	Missing input
2002	链接已过期	Link expired
2003	内容涉嫌侵权	Content removed (copyright)
2004	无法获取迁移后的链接	Migration link failed
2005	内容已被发布者删除	Content deleted by author
2006	内容因违规无法查看	Content blocked
2007	内容发送失败	Failed to send
2008	系统出错	System error
2009	不支持的链接	Unsupported URL
2010	内容获取失败	Content fetch failed
2011	涉嫌过度营销	Marketing/spam content
2012	账号已被屏蔽	Account blocked
2013	账号已自主注销	Account deleted
2014	内容被投诉	Content reported
2015	账号处于迁移流程中	Account migrating
2016	冒名侵权	Impersonation

Dependencies

Required npm packages:

• cheerio - HTML parsing
• dayjs - Date formatting
• request-promise - HTTP requests
• qs - Query string parsing
• lodash.unescape - HTML entities

Notes

• Handles various WeChat page structures and anti-scraping measures
• Automatically detects article type from page content
• Supports extracting from Sogou WeChat search results (weixin.sogou.com)
• Some fields may be null depending on article type and page structure