增加网盘有效性检测

2026-04-27 21:25:31 +08:00
parent dba22b98b3
commit 49861c24ec
19 changed files with 1982 additions and 1 deletions
@@ -0,0 +1,122 @@
+const crypto = require('crypto');
+const { request } = require('./http');
+
+/**
+ * 中国移动云盘链接检测
+ * URL格式:
+ *   https://yun.139.com/shareweb/#/w/i/{shareID}
+ *   https://caiyun.139.com/m/i?{shareID}
+ * API: POST https://share-kd-njs.yun.139.com/yun-share/richlifeApp/devapp/IOutLink/getOutLinkInfoV6
+ * 请求和响应均通过AES-CBC加密（固定密钥）
+ */
+
+const CMCC_AES_KEY = 'PVGDwmcvfs1uV3d1';
+
+function aesCBCEncrypt(plaintext, key) {
+  const iv = crypto.randomBytes(16);
+  const cipher = crypto.createCipheriv('aes-128-cbc', Buffer.from(key, 'utf-8'), iv);
+
+  // PKCS7 padding
+  const blockSize = 16;
+  const padLen = blockSize - (Buffer.byteLength(plaintext, 'utf-8') % blockSize);
+  const padded = Buffer.concat([
+    Buffer.from(plaintext, 'utf-8'),
+    Buffer.alloc(padLen, padLen),
+  ]);
+
+  const encrypted = Buffer.concat([cipher.update(padded), cipher.final()]);
+  return Buffer.concat([iv, encrypted]).toString('base64');
+}
+
+function aesCBCDecrypt(encryptedBase64, key) {
+  const rawData = Buffer.from(encryptedBase64, 'base64');
+  if (rawData.length < 16) throw new Error('加密数据长度不足');
+
+  const iv = rawData.subarray(0, 16);
+  const ciphertext = rawData.subarray(16);
+
+  const decipher = crypto.createDecipheriv('aes-128-cbc', Buffer.from(key, 'utf-8'), iv);
+  const decrypted = Buffer.concat([decipher.update(ciphertext), decipher.final()]);
+
+  // 去除PKCS7填充
+  const padLen = decrypted[decrypted.length - 1];
+  if (padLen > 0 && padLen <= 16) {
+    return decrypted.subarray(0, decrypted.length - padLen).toString('utf-8');
+  }
+  return decrypted.toString('utf-8');
+}
+
+async function checkCMCC(link) {
+  const shareID = extractShareID(link);
+  if (!shareID) {
+    return { valid: false, reason: '链接格式无效：无法提取分享ID' };
+  }
+
+  try {
+    const requestData = {
+      getOutLinkInfoReq: {
+        account: '',
+        linkID: shareID,
+        passwd: '',
+        caSrt: 1,
+        coSrt: 1,
+        srtDr: 0,
+        bNum: 1,
+        pCaID: 'root',
+        eNum: 200,
+      },
+      commonAccountInfo: {
+        account: '',
+        accountType: 1,
+      },
+    };
+
+    const jsonStr = JSON.stringify(requestData);
+    const encryptedData = aesCBCEncrypt(jsonStr, CMCC_AES_KEY);
+    const encryptedJSON = JSON.stringify(encryptedData);
+
+    const { statusCode, body } = await request(
+      'https://share-kd-njs.yun.139.com/yun-share/richlifeApp/devapp/IOutLink/getOutLinkInfoV6',
+      {
+        method: 'POST',
+        body: encryptedJSON,
+        headers: {
+          'Content-Type': 'application/json',
+          'Accept': 'application/json, text/plain, */*',
+          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
+          'hcy-cool-flag': '1',
+          'x-deviceinfo': '||3|12.27.0|chrome|131.0.0.0|5c7c68368f048245e1ce47f1c0f8f2d0||windows 10|1536X695|zh-CN|||',
+        },
+      }
+    );
+
+    if (statusCode !== 200) {
+      return { valid: false, reason: `API返回错误状态码: ${statusCode}` };
+    }
+
+    // 解密响应
+    const decryptedData = aesCBCDecrypt(body.trim(), CMCC_AES_KEY);
+    const response = JSON.parse(decryptedData);
+
+    const resultCode = response.resultCode;
+    const desc = response.desc;
+    const data = response.data;
+
+    if (resultCode === '0' && data != null) {
+      return { valid: true, reason: '' };
+    }
+
+    const failReason = desc || (resultCode ? `错误码: ${resultCode}` : '获取分享信息失败');
+    return { valid: false, reason: failReason };
+  } catch (err) {
+    if (err.message === '请求超时') return { valid: false, reason: '请求超时' };
+    return { valid: false, reason: `检测失败: ${err.message}` };
+  }
+}
+
+function extractShareID(shareURL) {
+  const match = shareURL.match(/https:\/\/(?:yun\.139\.com\/shareweb\/#\/w\/i\/|caiyun\.139\.com\/m\/i\?)([^&]+)/);
+  return match ? match[1] : '';
+}
+
+module.exports = { checkCMCC, extractShareID, aesCBCEncrypt, aesCBCDecrypt };