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OpenList/drivers/123_open/util.go

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package _123_open
import (
"context"
"crypto/md5"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/OpenListTeam/OpenList/v4/drivers/base"
"github.com/OpenListTeam/OpenList/v4/internal/op"
"github.com/go-resty/resty/v2"
"github.com/google/uuid"
log "github.com/sirupsen/logrus"
)
var ( // 不同情况下获取的AccessTokenQPS限制不同 如下模块化易于拓展
Api = "https://open-api.123pan.com"
AccessToken = InitApiInfo(Api+"/api/v1/access_token", 1)
RefreshToken = InitApiInfo(Api+"/api/v1/oauth2/access_token", 1)
UserInfo = InitApiInfo(Api+"/api/v1/user/info", 1)
FileList = InitApiInfo(Api+"/api/v2/file/list", 3)
DownloadInfo = InitApiInfo(Api+"/api/v1/file/download_info", 5)
DirectLink = InitApiInfo(Api+"/api/v1/direct-link/url", 5)
Mkdir = InitApiInfo(Api+"/upload/v1/file/mkdir", 2)
Move = InitApiInfo(Api+"/api/v1/file/move", 1)
Rename = InitApiInfo(Api+"/api/v1/file/name", 1)
Trash = InitApiInfo(Api+"/api/v1/file/trash", 2)
UploadCreate = InitApiInfo(Api+"/upload/v2/file/create", 2)
UploadComplete = InitApiInfo(Api+"/upload/v2/file/upload_complete", 0)
)
func (d *Open123) Request(apiInfo *ApiInfo, method string, callback base.ReqCallback, resp interface{}) ([]byte, error) {
retryToken := true
for {
req := base.RestyClient.R()
req.SetHeaders(map[string]string{
"authorization": "Bearer " + d.AccessToken,
"platform": "open_platform",
"Content-Type": "application/json",
})
if callback != nil {
callback(req)
}
if resp != nil {
req.SetResult(resp)
}
log.Debugf("API: %s, QPS: %d, NowLen: %d", apiInfo.url, apiInfo.qps, apiInfo.NowLen())
apiInfo.Require()
defer apiInfo.Release()
res, err := req.Execute(method, apiInfo.url)
if err != nil {
return nil, err
}
body := res.Body()
// 解析为通用响应
var baseResp BaseResp
if err = json.Unmarshal(body, &baseResp); err != nil {
return nil, err
}
if baseResp.Code == 0 {
return body, nil
} else if baseResp.Code == 401 && retryToken {
retryToken = false
if err := d.flushAccessToken(); err != nil {
return nil, err
}
} else if baseResp.Code == 429 {
time.Sleep(500 * time.Millisecond)
log.Warningf("API: %s, QPS: %d, 请求太频繁对应API提示过多请减小QPS", apiInfo.url, apiInfo.qps)
} else {
return nil, errors.New(baseResp.Message)
}
}
}
func (d *Open123) flushAccessToken() error {
if d.ClientID != "" {
if d.RefreshToken != "" {
var resp RefreshTokenResp
_, err := d.Request(RefreshToken, http.MethodPost, func(req *resty.Request) {
req.SetQueryParam("client_id", d.ClientID)
if d.ClientSecret != "" {
req.SetQueryParam("client_secret", d.ClientSecret)
}
req.SetQueryParam("grant_type", "refresh_token")
req.SetQueryParam("refresh_token", d.RefreshToken)
}, &resp)
if err != nil {
return err
}
d.AccessToken = resp.AccessToken
d.RefreshToken = resp.RefreshToken
op.MustSaveDriverStorage(d)
} else if d.ClientSecret != "" {
var resp AccessTokenResp
_, err := d.Request(AccessToken, http.MethodPost, func(req *resty.Request) {
req.SetBody(base.Json{
"clientID": d.ClientID,
"clientSecret": d.ClientSecret,
})
}, &resp)
if err != nil {
return err
}
d.AccessToken = resp.Data.AccessToken
op.MustSaveDriverStorage(d)
}
}
return nil
}
func (d *Open123) SignURL(originURL, privateKey string, uid uint64, validDuration time.Duration) (newURL string, err error) {
// 生成Unix时间戳
ts := time.Now().Add(validDuration).Unix()
// 生成随机数建议使用UUID不能包含中划线-
rand := strings.ReplaceAll(uuid.New().String(), "-", "")
// 解析URL
objURL, err := url.Parse(originURL)
if err != nil {
return "", err
}
// 待签名字符串格式path-timestamp-rand-uid-privateKey
unsignedStr := fmt.Sprintf("%s-%d-%s-%d-%s", objURL.Path, ts, rand, uid, privateKey)
md5Hash := md5.Sum([]byte(unsignedStr))
// 生成鉴权参数格式timestamp-rand-uid-md5hash
authKey := fmt.Sprintf("%d-%s-%d-%x", ts, rand, uid, md5Hash)
// 添加鉴权参数到URL查询参数
v := objURL.Query()
v.Add("auth_key", authKey)
objURL.RawQuery = v.Encode()
return objURL.String(), nil
}
func (d *Open123) getUserInfo(ctx context.Context) (*UserInfoResp, error) {
var resp UserInfoResp
if _, err := d.Request(UserInfo, http.MethodGet, func(req *resty.Request) {
req.SetContext(ctx)
}, &resp); err != nil {
return nil, err
}
return &resp, nil
}
func (d *Open123) getUID(ctx context.Context) (uint64, error) {
if d.UID != 0 {
return d.UID, nil
}
resp, err := d.getUserInfo(ctx)
if err != nil {
return 0, err
}
d.UID = resp.Data.UID
return resp.Data.UID, nil
}
func (d *Open123) getFiles(parentFileId int64, limit int, lastFileId int64) (*FileListResp, error) {
var resp FileListResp
_, err := d.Request(FileList, http.MethodGet, func(req *resty.Request) {
req.SetQueryParams(
map[string]string{
"parentFileId": strconv.FormatInt(parentFileId, 10),
"limit": strconv.Itoa(limit),
"lastFileId": strconv.FormatInt(lastFileId, 10),
"trashed": "false",
"searchMode": "",
"searchData": "",
})
}, &resp)
if err != nil {
return nil, err
}
return &resp, nil
}
func (d *Open123) getDownloadInfo(fileId int64) (*DownloadInfoResp, error) {
var resp DownloadInfoResp
_, err := d.Request(DownloadInfo, http.MethodGet, func(req *resty.Request) {
req.SetQueryParams(map[string]string{
"fileId": strconv.FormatInt(fileId, 10),
})
}, &resp)
if err != nil {
return nil, err
}
return &resp, nil
}
func (d *Open123) getDirectLink(fileId int64) (*DirectLinkResp, error) {
var resp DirectLinkResp
_, err := d.Request(DirectLink, http.MethodGet, func(req *resty.Request) {
req.SetQueryParams(map[string]string{
"fileID": strconv.FormatInt(fileId, 10),
})
}, &resp)
if err != nil {
return nil, err
}
return &resp, nil
}
func (d *Open123) mkdir(parentID int64, name string) error {
_, err := d.Request(Mkdir, http.MethodPost, func(req *resty.Request) {
req.SetBody(base.Json{
"parentID": strconv.FormatInt(parentID, 10),
"name": name,
})
}, nil)
if err != nil {
return err
}
return nil
}
func (d *Open123) move(fileID, toParentFileID int64) error {
_, err := d.Request(Move, http.MethodPost, func(req *resty.Request) {
req.SetBody(base.Json{
"fileIDs": []int64{fileID},
"toParentFileID": toParentFileID,
})
}, nil)
if err != nil {
return err
}
return nil
}
func (d *Open123) rename(fileId int64, fileName string) error {
_, err := d.Request(Rename, http.MethodPut, func(req *resty.Request) {
req.SetBody(base.Json{
"fileId": fileId,
"fileName": fileName,
})
}, nil)
if err != nil {
return err
}
return nil
}
func (d *Open123) trash(fileId int64) error {
_, err := d.Request(Trash, http.MethodPost, func(req *resty.Request) {
req.SetBody(base.Json{
"fileIDs": []int64{fileId},
})
}, nil)
if err != nil {
return err
}
return nil
}