init commit

ali.js

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+const sha256 = require("sha256")
+const Secp256k1 = require('@lionello/secp256k1-js')
+const axios = require('axios');
+
+const userData = {
+    appId: "25dzX3vbYqktVxyX",
+	deviceId: "axxx43388afe417xxx616b35e5c4738a", // DevTools -> Application -> Local Storage -> token -> device_id
+	userId: "81xxxexxxefd4bb28b9d6d2b1f68b51c", // DevTools -> Application -> Local Storage -> token -> user_id
+	nonce: 0,
+	publicKey: "",
+	signatureData: "",
+    drive_id:"6xxxx93", // DevTools -> Application -> Local Storage -> cna
+    authorization: "Bearer xxxxxxxxxx"  // Request Headers -> authorization
+}
+
+const headers = { 
+    'content-type': 'application/json',
+    "authorization": "",
+    "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36",
+    "origin": "https://aliyundrive.com",
+    "Accept-Language": "zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3",
+    "x-canary": "client=web,app=adrive,version=v3.17.0",
+    "x-device-id": '',
+    "x-signature": '',
+ }
+
+const randomString =(l) => {
+	let bytes = new Uint8Array(l).fill(0);
+	for( let i = 0; i < l; i++) {
+		bytes[i] = (randInt(1, 2^256-1)).toString(2);
+	}
+	return bytes;
+}
+
+const randInt =(min, max) => {
+	return min + Math.floor(Math.random() * (max - min + 1)) + min
+}
+
+const CreateSession = () => {
+	const api = `https://api.aliyundrive.com/users/v1/users/device/${userData.nonce ? 'renew_session' : 'create_session'}`;
+	const  data = {
+        "deviceName": "Edge浏览器",
+        "modelName": "Windows网页版",
+        "pubKey": userData.publicKey
+    }
+    return axios({
+        method: 'post',
+        url: api,
+        data: userData.nonce ? {} : data,
+        headers: headers,
+      });
+      
+}
+const DownloadFile = (file_id) => {
+    return axios({
+        method: 'post',
+        url: 'https://api.aliyundrive.com/v2/file/get_download_url',
+        data: {"drive_id": userData.drive_id,"file_id": file_id,"expire_sec": 14400},
+        headers: {...headers},
+    });
+}
+const  InitAliKey = async () => {
+    const {appId, deviceId, userId, nonce} = userData;
+	const max = 32;
+	const privKey = randomString(max);
+	const data = new Uint8Array(sha256(`${appId}:${deviceId}:${userId}:${nonce}`, { asBytes: true }));
+
+    const privateKey = Secp256k1.uint256(privKey, 16);
+    const publicKey = Secp256k1.generatePublicKeyFromPrivateKeyData(privateKey);
+    userData.publicKey = "04" + publicKey.x + publicKey.y;
+    // Signing a digest
+    const digest = Secp256k1.uint256(data, 16);
+    const sig = Secp256k1.ecsign(privateKey, digest);
+    userData.signatureData = ''+sig.r + sig.s + '01';
+
+    // set headers
+    headers['x-device-id'] = userData.deviceId;
+    headers['x-signature'] = userData.signatureData;
+    headers['authorization'] = userData.authorization;
+  
+}
+
+const main = async () => {
+    InitAliKey();
+    if(!userData.publicKey || !headers['x-signature'] || !userData.authorization) return;
+    const session = await CreateSession();
+    console.log(session.data) // { result: true, success: true, code: null, message: null }
+    // file_id
+    const res = await DownloadFile("63593fa174c6c1548c284a039377b1bb47a8a01d");
+    console.log(res.data) // {domain_id: '', drive_id: '', file_id:'', revision_id:'', url: '', internal_url: ''}
+
+}
+main();

package.json

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+{
+  "name": "ali",
+  "version": "1.0.0",
+  "description": "",
+  "main": "ali.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "fly1397@sina.com",
+  "license": "ISC",
+  "dependencies": {
+    "@lionello/secp256k1-js": "^1.1.0",
+    "axios": "^1.3.3",
+    "sha256": "^0.2.0"
+  }
+}