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util.go
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util.go
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package thunder
import (
"crypto/sha1"
"encoding/hex"
"fmt"
"io"
"net/http"
"regexp"
"time"
"github.com/alist-org/alist/v3/drivers/base"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/go-resty/resty/v2"
)
const (
API_URL = "https://api-pan.xunlei.com/drive/v1"
FILE_API_URL = API_URL + "/files"
XLUSER_API_URL = "https://xluser-ssl.xunlei.com/v1"
)
const (
FOLDER = "drive#folder"
FILE = "drive#file"
RESUMABLE = "drive#resumable"
)
const (
UPLOAD_TYPE_UNKNOWN = "UPLOAD_TYPE_UNKNOWN"
//UPLOAD_TYPE_FORM = "UPLOAD_TYPE_FORM"
UPLOAD_TYPE_RESUMABLE = "UPLOAD_TYPE_RESUMABLE"
UPLOAD_TYPE_URL = "UPLOAD_TYPE_URL"
)
func GetAction(method string, url string) string {
urlpath := regexp.MustCompile(`://[^/]+((/[^/\s?#]+)*)`).FindStringSubmatch(url)[1]
return method + ":" + urlpath
}
type Common struct {
client *resty.Client
captchaToken string
// 签名相关,二选一
Algorithms []string
Timestamp, CaptchaSign string
// 必要值,签名相关
DeviceID string
ClientID string
ClientSecret string
ClientVersion string
PackageName string
UserAgent string
DownloadUserAgent string
UseVideoUrl bool
// 验证码token刷新成功回调
refreshCTokenCk func(token string)
}
func (c *Common) SetCaptchaToken(captchaToken string) {
c.captchaToken = captchaToken
}
func (c *Common) GetCaptchaToken() string {
return c.captchaToken
}
// 刷新验证码token(登录后)
func (c *Common) RefreshCaptchaTokenAtLogin(action, userID string) error {
metas := map[string]string{
"client_version": c.ClientVersion,
"package_name": c.PackageName,
"user_id": userID,
}
metas["timestamp"], metas["captcha_sign"] = c.GetCaptchaSign()
return c.refreshCaptchaToken(action, metas)
}
// 刷新验证码token(登录时)
func (c *Common) RefreshCaptchaTokenInLogin(action, username string) error {
metas := make(map[string]string)
if ok, _ := regexp.MatchString(`\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*`, username); ok {
metas["email"] = username
} else if len(username) >= 11 && len(username) <= 18 {
metas["phone_number"] = username
} else {
metas["username"] = username
}
return c.refreshCaptchaToken(action, metas)
}
// 获取验证码签名
func (c *Common) GetCaptchaSign() (timestamp, sign string) {
if len(c.Algorithms) == 0 {
return c.Timestamp, c.CaptchaSign
}
timestamp = fmt.Sprint(time.Now().UnixMilli())
str := fmt.Sprint(c.ClientID, c.ClientVersion, c.PackageName, c.DeviceID, timestamp)
for _, algorithm := range c.Algorithms {
str = utils.GetMD5EncodeStr(str + algorithm)
}
sign = "1." + str
return
}
// 刷新验证码token
func (c *Common) refreshCaptchaToken(action string, metas map[string]string) error {
param := CaptchaTokenRequest{
Action: action,
CaptchaToken: c.captchaToken,
ClientID: c.ClientID,
DeviceID: c.DeviceID,
Meta: metas,
RedirectUri: "xlaccsdk01://xunlei.com/callback?state=harbor",
}
var e ErrResp
var resp CaptchaTokenResponse
_, err := c.Request(XLUSER_API_URL+"/shield/captcha/init", http.MethodPost, func(req *resty.Request) {
req.SetError(&e).SetBody(param)
}, &resp)
if err != nil {
return err
}
if e.IsError() {
return &e
}
if resp.Url != "" {
return fmt.Errorf(`need verify: <a target="_blank" href="%s">Click Here</a>`, resp.Url)
}
if resp.CaptchaToken == "" {
return fmt.Errorf("empty captchaToken")
}
if c.refreshCTokenCk != nil {
c.refreshCTokenCk(resp.CaptchaToken)
}
c.SetCaptchaToken(resp.CaptchaToken)
return nil
}
// 只有基础信息的请求
func (c *Common) Request(url, method string, callback base.ReqCallback, resp interface{}) ([]byte, error) {
req := c.client.R().SetHeaders(map[string]string{
"user-agent": c.UserAgent,
"accept": "application/json;charset=UTF-8",
"x-device-id": c.DeviceID,
"x-client-id": c.ClientID,
"x-client-version": c.ClientVersion,
})
if callback != nil {
callback(req)
}
if resp != nil {
req.SetResult(resp)
}
res, err := req.Execute(method, url)
if err != nil {
return nil, err
}
var erron ErrResp
utils.Json.Unmarshal(res.Body(), &erron)
if erron.IsError() {
return nil, &erron
}
return res.Body(), nil
}
// 计算文件Gcid
func getGcid(r io.Reader, size int64) (string, error) {
calcBlockSize := func(j int64) int64 {
var psize int64 = 0x40000
for float64(j)/float64(psize) > 0x200 && psize < 0x200000 {
psize = psize << 1
}
return psize
}
hash1 := sha1.New()
hash2 := sha1.New()
readSize := calcBlockSize(size)
for {
hash2.Reset()
if n, err := utils.CopyWithBufferN(hash2, r, readSize); err != nil && n == 0 {
if err != io.EOF {
return "", err
}
break
}
hash1.Write(hash2.Sum(nil))
}
return hex.EncodeToString(hash1.Sum(nil)), nil
}