初始化提交：go比特版本精简

2026-09-20 17:02:11 +08:00
commit f41a979462
213 changed files with 58288 additions and 0 deletions
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+'use strict';
+
+const tls = require('tls');
+const db = require('../src/core/database');
+
+const IMAP_HOST = 'imap.gmail.com';
+const IMAP_PORT = 993;
+
+function quoteImap(value) {
+  return `"${String(value || '').replace(/\\/g, '\\\\').replace(/"/g, '\\"')}"`;
+}
+
+function decodeMimeWords(value) {
+  return String(value || '').replace(/=\?([^?]+)\?([bq])\?([^?]*)\?=/gi, (_, charset, encoding, data) => {
+    try {
+      if (encoding.toLowerCase() === 'b') return Buffer.from(data, 'base64').toString('utf8');
+      const bytes = data.replace(/_/g, ' ').replace(/=([0-9a-f]{2})/gi, (_m, hex) => String.fromCharCode(parseInt(hex, 16)));
+      return Buffer.from(bytes, 'binary').toString(/^utf-?8$/i.test(charset) ? 'utf8' : 'latin1');
+    } catch (_) {
+      return data;
+    }
+  });
+}
+
+function headerValue(block, name) {
+  const unfolded = String(block || '').replace(/\r?\n[\t ]+/g, ' ');
+  const match = unfolded.match(new RegExp(`(?:^|\\r?\\n)${name}:\\s*([^\\r\\n]*)`, 'i'));
+  return match ? decodeMimeWords(match[1].trim()) : '';
+}
+
+function recentHeaders(fetchResponse) {
+  const blocks = String(fetchResponse || '').split(/(?=\* \d+ FETCH \()/i);
+  return blocks.map(block => {
+    const uid = (block.match(/\bUID\s+(\d+)/i) || [])[1];
+    if (!uid) return null;
+    return {
+      uid: Number(uid),
+      from: headerValue(block, 'From'),
+      subject: headerValue(block, 'Subject'),
+      date: headerValue(block, 'Date'),
+    };
+  }).filter(Boolean);
+}
+
+async function connectImap(email, appPassword) {
+  return new Promise((resolve, reject) => {
+    const socket = tls.connect({
+      host: IMAP_HOST,
+      port: IMAP_PORT,
+      servername: IMAP_HOST,
+      rejectUnauthorized: true,
+    });
+    socket.setTimeout(30000);
+
+    let buffer = '';
+    let greetingSeen = false;
+    let settled = false;
+    const waiters = new Map();
+
+    const finishError = error => {
+      if (settled) return;
+      settled = true;
+      try { socket.destroy(); } catch (_) {}
+      reject(error);
+    };
+
+    socket.on('timeout', () => finishError(new Error('IMAP连接或命令响应超时')));
+    socket.on('error', finishError);
+    socket.on('data', chunk => {
+      buffer += chunk.toString('utf8');
+      if (!greetingSeen && /^\* (?:OK|PREAUTH)/m.test(buffer)) greetingSeen = true;
+      for (const [tag, waiter] of waiters) {
+        const match = buffer.match(new RegExp(`(?:^|\\r\\n)${tag} (OK|NO|BAD)(?: |\\r\\n)`, 'i'));
+        if (!match) continue;
+        const end = match.index + match[0].length;
+        const response = buffer.slice(waiter.start, end);
+        waiters.delete(tag);
+        if (match[1].toUpperCase() === 'OK') waiter.resolve(response);
+        else waiter.reject(new Error(`IMAP命令失败：${match[1].toUpperCase()}`));
+      }
+    });
+
+    socket.once('secureConnect', async () => {
+      try {
+        const greetingDeadline = Date.now() + 10000;
+        while (!greetingSeen && Date.now() < greetingDeadline) {
+          await new Promise(r => setTimeout(r, 50));
+        }
+        if (!greetingSeen) throw new Error('未收到 Gmail IMAP 欢迎响应');
+
+        let sequence = 0;
+        const command = text => new Promise((commandResolve, commandReject) => {
+          const tag = `A${String(++sequence).padStart(3, '0')}`;
+          waiters.set(tag, { start: buffer.length, resolve: commandResolve, reject: commandReject });
+          socket.write(`${tag} ${text}\r\n`);
+        });
+
+        await command(`LOGIN ${quoteImap(email)} ${quoteImap(appPassword)}`);
+        const statusResponse = await command('STATUS INBOX (MESSAGES UNSEEN)');
+        await command('EXAMINE INBOX');
+        const searchResponse = await command('UID SEARCH ALL');
+        const searchLine = (searchResponse.match(/\* SEARCH([^\r\n]*)/i) || [])[1] || '';
+        const uids = searchLine.trim().split(/\s+/).filter(value => /^\d+$/.test(value));
+        const latestUids = uids.slice(-3);
+        let headers = [];
+        if (latestUids.length) {
+          const fetchResponse = await command(`UID FETCH ${latestUids.join(',')} (UID BODY.PEEK[HEADER.FIELDS (FROM SUBJECT DATE)])`);
+          headers = recentHeaders(fetchResponse).sort((a, b) => b.uid - a.uid);
+        }
+        await command('LOGOUT').catch(() => {});
+
+        const statusItems = (statusResponse.match(/\* STATUS\s+"?INBOX"?\s+\(([^)]*)\)/i) || [])[1] || '';
+        const messageCount = (statusItems.match(/\bMESSAGES\s+(\d+)/i) || [])[1];
+        const unseenCount = (statusItems.match(/\bUNSEEN\s+(\d+)/i) || [])[1];
+        settled = true;
+        socket.end();
+        resolve({
+          ok: true,
+          host: IMAP_HOST,
+          port: IMAP_PORT,
+          tlsAuthorized: socket.authorized,
+          messages: messageCount ? Number(messageCount) : uids.length,
+          unseen: unseenCount ? Number(unseenCount) : null,
+          recentHeaders: headers,
+        });
+      } catch (error) {
+        finishError(error);
+      }
+    });
+  });
+}
+
+async function main() {
+  const email = String(process.argv[2] || '').trim();
+  if (!email) throw new Error('用法: node scripts/test_gmail_imap.js <email>');
+  db.initDB();
+  const saved = db.getGmailAppPassword(email);
+  if (!saved || !saved.app_password) throw new Error('数据库中没有该邮箱的16位应用专用密码');
+  const result = await connectImap(email, saved.app_password);
+  console.log(JSON.stringify({ email, ...result }, null, 2));
+}
+
+main().catch(error => {
+  console.error(JSON.stringify({ ok: false, message: error.message }));
+  process.exitCode = 1;
+});
+
+module.exports = { connectImap, _private: { decodeMimeWords, recentHeaders } };