package _123Share
import (
"context"
"errors"
"fmt"
"hash/crc32"
"math"
"math/rand"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/alist-org/alist/v3/drivers/base"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/go-resty/resty/v2"
jsoniter "github.com/json-iterator/go"
)
const (
Api = "https://www.123pan.com/api"
AApi = "https://www.123pan.com/a/api"
BApi = "https://www.123pan.com/b/api"
MainApi = BApi
FileList = MainApi + "/share/get"
DownloadInfo = MainApi + "/share/download/info"
)
func signPath(path string, os string, version string) (k string, v string) {
table := []byte{'a', 'd', 'e', 'f', 'g', 'h', 'l', 'm', 'y', 'i', 'j', 'n', 'o', 'p', 'k', 'q', 'r', 's', 't', 'u', 'b', 'c', 'v', 'w', 's', 'z'}
random := fmt.Sprintf("%.f", math.Round(1e7*rand.Float64()))
now := time.Now().In(time.FixedZone("CST", 8*3600))
timestamp := fmt.Sprint(now.Unix())
nowStr := []byte(now.Format("200601021504"))
for i := 0; i < len(nowStr); i++ {
nowStr[i] = table[nowStr[i]-48]
}
timeSign := fmt.Sprint(crc32.ChecksumIEEE(nowStr))
data := strings.Join([]string{timestamp, random, path, os, version, timeSign}, "|")
dataSign := fmt.Sprint(crc32.ChecksumIEEE([]byte(data)))
return timeSign, strings.Join([]string{timestamp, random, dataSign}, "-")
}
func GetApi(rawUrl string) string {
u, _ := url.Parse(rawUrl)
query := u.Query()
query.Add(signPath(u.Path, "web", "3"))
u.RawQuery = query.Encode()
return u.String()
}
func (d *Pan123Share) request(url string, method string, callback base.ReqCallback, resp interface{}) ([]byte, error) {
if d.ref != nil {
return d.ref.Request(url, method, callback, resp)
}
req := base.RestyClient.R()
req.SetHeaders(map[string]string{
"origin": "https://www.123pan.com",
"referer": "https://www.123pan.com/",
"authorization": "Bearer " + d.AccessToken,
"user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) alist-client",
"platform": "web",
"app-version": "3",
})
if callback != nil {
callback(req)
}
if resp != nil {
req.SetResult(resp)
}
res, err := req.Execute(method, GetApi(url))
if err != nil {
return nil, err
}
body := res.Body()
code := utils.Json.Get(body, "code").ToInt()
if code != 0 {
return nil, errors.New(jsoniter.Get(body, "message").ToString())
}
return body, nil
}
func (d *Pan123Share) getFiles(ctx context.Context, parentId string) ([]File, error) {
page := 1
res := make([]File, 0)
for {
if err := d.APIRateLimit(ctx, FileList); err != nil {
return nil, err
}
var resp Files
query := map[string]string{
"limit": "100",
"next": "0",
"orderBy": "file_id",
"orderDirection": "desc",
"parentFileId": parentId,
"Page": strconv.Itoa(page),
"shareKey": d.ShareKey,
"SharePwd": d.SharePwd,
}
_, err := d.request(FileList, http.MethodGet, func(req *resty.Request) {
req.SetQueryParams(query)
}, &resp)
if err != nil {
return nil, err
}
page++
res = append(res, resp.Data.InfoList...)
if len(resp.Data.InfoList) == 0 || resp.Data.Next == "-1" {
break
}
}
return res, nil
}
