From e1bb072d85d724df17c942843d607d964fd31681 Mon Sep 17 00:00:00 2001
From: zhangxiang <31364579+msterzhang@users.noreply.github.com>
Date: Tue, 14 Feb 2023 14:22:53 +0800
Subject: [PATCH] Create ali_ecc_golang.go
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

golang版本
---
 ali_ecc_golang.go | 127 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 ali_ecc_golang.go

diff --git a/ali_ecc_golang.go b/ali_ecc_golang.go
new file mode 100644
index 0000000..204b654
--- /dev/null
+++ b/ali_ecc_golang.go
@@ -0,0 +1,127 @@
+package main
+
+import (
+	"bytes"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"math/rand"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/tendermint/tendermint/crypto/secp256k1"
+)
+
+var (
+	appId         = "25dzX3vbYqktVxyX"
+	deviceId      = "URJuHA0FgRACAW8eGUh/zJ+2"
+	userId        = "31a1407588d94e47961094xxxxxxxxx"
+	nonce         = 0
+	publicKey     = ""
+	signatureData = ""
+)
+
+func randomString(l int) []byte {
+	bytes := make([]byte, l)
+	for i := 0; i < l; i++ {
+		rand.NewSource(time.Now().UnixNano())
+		bytes[i] = byte(randInt(1, 2^256-1))
+	}
+	return bytes
+}
+
+func randInt(min int, max int) int {
+	return min + rand.Intn(max-min)
+}
+
+func AddHeader(req *http.Request) *http.Request {
+	req.Header.Set("authorization", "Bearer xxxxxxxxxxxxxxx")
+	req.Header.Add("content-type", "application/json")
+	req.Header.Add("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")
+	req.Header.Add("origin", "https://aliyundrive.com")
+	req.Header.Add("accept", "*/*")
+	req.Header.Add("Accept-Language", "zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3")
+	req.Header.Add("x-canary", "client=web,app=adrive,version=v3.17.0")
+	req.Header.Add("x-device-id", deviceId)
+	req.Header.Add("x-signature", signatureData)
+	return req
+}
+
+func CreateSession() error {
+	api := "https://api.aliyundrive.com/users/v1/users/device/create_session"
+	form := fmt.Sprintf(`{"deviceName": "Edge浏览器","modelName": "Windows网页版","pubKey":"%s"}`, publicKey)
+	req, err := http.NewRequest("POST", api, bytes.NewBufferString(form))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json; charset=utf-8")
+	req = AddHeader(req)
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+	if strings.Contains(string(body), "true") {
+		return nil
+	}
+	return errors.New(string(body))
+}
+
+func AliDownload(fileId string) error {
+	api := "https://api.aliyundrive.com/v2/file/get_download_url"
+	form := fmt.Sprintf(`{"expire_sec": 14400, "drive_id": "409666480","file_id": "636767a8287a5f3ae94b4bd480bf0e56dc294029"}`)
+	req, err := http.NewRequest("POST", api, bytes.NewBufferString(form))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json; charset=utf-8")
+	req = AddHeader(req)
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+	if strings.Contains(string(body), "url") {
+		log.Println(string(body))
+		return nil
+	}
+	return errors.New(string(body))
+}
+
+func InitAliKey() error {
+	max := 32
+	key := randomString(max)
+	data := fmt.Sprintf("%s:%s:%s:%d", appId, deviceId, userId, nonce)
+	var privKey = secp256k1.PrivKey(key)
+	pubKey := privKey.PubKey()
+	publicKey = "04" + hex.EncodeToString(pubKey.Bytes())
+	signature, err := privKey.Sign([]byte(data))
+	if err != nil {
+		return err
+	}
+	signatureData = hex.EncodeToString(signature) + "01"
+	return nil
+}
+
+func main() {
+	err := InitAliKey()
+	if err != nil {
+		log.Println(err)
+	}
+	err = CreateSession()
+	if err != nil {
+		log.Println(err)
+	}
+	AliDownload("")
+}