File size: 4,673 Bytes
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package google_drive
import (
"context"
"fmt"
"net/http"
"strconv"
"github.com/alist-org/alist/v3/drivers/base"
"github.com/alist-org/alist/v3/internal/driver"
"github.com/alist-org/alist/v3/internal/errs"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/go-resty/resty/v2"
)
type GoogleDrive struct {
model.Storage
Addition
AccessToken string
ServiceAccountFile int
ServiceAccountFileList []string
}
func (d *GoogleDrive) Config() driver.Config {
return config
}
func (d *GoogleDrive) GetAddition() driver.Additional {
return &d.Addition
}
func (d *GoogleDrive) Init(ctx context.Context) error {
if d.ChunkSize == 0 {
d.ChunkSize = 5
}
return d.refreshToken()
}
func (d *GoogleDrive) Drop(ctx context.Context) error {
return nil
}
func (d *GoogleDrive) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
files, err := d.getFiles(dir.GetID())
if err != nil {
return nil, err
}
return utils.SliceConvert(files, func(src File) (model.Obj, error) {
return fileToObj(src), nil
})
}
func (d *GoogleDrive) Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error) {
url := fmt.Sprintf("https://www.googleapis.com/drive/v3/files/%s?includeItemsFromAllDrives=true&supportsAllDrives=true", file.GetID())
_, err := d.request(url, http.MethodGet, nil, nil)
if err != nil {
return nil, err
}
link := model.Link{
URL: url + "&alt=media&acknowledgeAbuse=true",
Header: http.Header{
"Authorization": []string{"Bearer " + d.AccessToken},
},
}
return &link, nil
}
func (d *GoogleDrive) MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error {
data := base.Json{
"name": dirName,
"parents": []string{parentDir.GetID()},
"mimeType": "application/vnd.google-apps.folder",
}
_, err := d.request("https://www.googleapis.com/drive/v3/files", http.MethodPost, func(req *resty.Request) {
req.SetBody(data)
}, nil)
return err
}
func (d *GoogleDrive) Move(ctx context.Context, srcObj, dstDir model.Obj) error {
query := map[string]string{
"addParents": dstDir.GetID(),
"removeParents": "root",
}
url := "https://www.googleapis.com/drive/v3/files/" + srcObj.GetID()
_, err := d.request(url, http.MethodPatch, func(req *resty.Request) {
req.SetQueryParams(query)
}, nil)
return err
}
func (d *GoogleDrive) Rename(ctx context.Context, srcObj model.Obj, newName string) error {
data := base.Json{
"name": newName,
}
url := "https://www.googleapis.com/drive/v3/files/" + srcObj.GetID()
_, err := d.request(url, http.MethodPatch, func(req *resty.Request) {
req.SetBody(data)
}, nil)
return err
}
func (d *GoogleDrive) Copy(ctx context.Context, srcObj, dstDir model.Obj) error {
return errs.NotSupport
}
func (d *GoogleDrive) Remove(ctx context.Context, obj model.Obj) error {
url := "https://www.googleapis.com/drive/v3/files/" + obj.GetID()
_, err := d.request(url, http.MethodDelete, nil, nil)
return err
}
func (d *GoogleDrive) Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up driver.UpdateProgress) error {
obj := stream.GetExist()
var (
e Error
url string
data base.Json
res *resty.Response
err error
)
if obj != nil {
url = fmt.Sprintf("https://www.googleapis.com/upload/drive/v3/files/%s?uploadType=resumable&supportsAllDrives=true", obj.GetID())
data = base.Json{}
} else {
data = base.Json{
"name": stream.GetName(),
"parents": []string{dstDir.GetID()},
}
url = "https://www.googleapis.com/upload/drive/v3/files?uploadType=resumable&supportsAllDrives=true"
}
req := base.NoRedirectClient.R().
SetHeaders(map[string]string{
"Authorization": "Bearer " + d.AccessToken,
"X-Upload-Content-Type": stream.GetMimetype(),
"X-Upload-Content-Length": strconv.FormatInt(stream.GetSize(), 10),
}).
SetError(&e).SetBody(data).SetContext(ctx)
if obj != nil {
res, err = req.Patch(url)
} else {
res, err = req.Post(url)
}
if err != nil {
return err
}
if e.Error.Code != 0 {
if e.Error.Code == 401 {
err = d.refreshToken()
if err != nil {
return err
}
return d.Put(ctx, dstDir, stream, up)
}
return fmt.Errorf("%s: %v", e.Error.Message, e.Error.Errors)
}
putUrl := res.Header().Get("location")
if stream.GetSize() < d.ChunkSize*1024*1024 {
_, err = d.request(putUrl, http.MethodPut, func(req *resty.Request) {
req.SetHeader("Content-Length", strconv.FormatInt(stream.GetSize(), 10)).SetBody(stream)
}, nil)
} else {
err = d.chunkUpload(ctx, stream, putUrl)
}
return err
}
var _ driver.Driver = (*GoogleDrive)(nil)
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