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package alias
import (
"context"
"fmt"
stdpath "path"
"strings"
"github.com/alist-org/alist/v3/internal/errs"
"github.com/alist-org/alist/v3/internal/fs"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/sign"
"github.com/alist-org/alist/v3/pkg/utils"
"github.com/alist-org/alist/v3/server/common"
)
func (d *Alias) listRoot() []model.Obj {
var objs []model.Obj
for k := range d.pathMap {
obj := model.Object{
Name: k,
IsFolder: true,
Modified: d.Modified,
}
objs = append(objs, &obj)
}
return objs
}
// do others that not defined in Driver interface
func getPair(path string) (string, string) {
//path = strings.TrimSpace(path)
if strings.Contains(path, ":") {
pair := strings.SplitN(path, ":", 2)
if !strings.Contains(pair[0], "/") {
return pair[0], pair[1]
}
}
return stdpath.Base(path), path
}
func (d *Alias) getRootAndPath(path string) (string, string) {
if d.autoFlatten {
return d.oneKey, path
}
path = strings.TrimPrefix(path, "/")
parts := strings.SplitN(path, "/", 2)
if len(parts) == 1 {
return parts[0], ""
}
return parts[0], parts[1]
}
func (d *Alias) get(ctx context.Context, path string, dst, sub string) (model.Obj, error) {
obj, err := fs.Get(ctx, stdpath.Join(dst, sub), &fs.GetArgs{NoLog: true})
if err != nil {
return nil, err
}
return &model.Object{
Path: path,
Name: obj.GetName(),
Size: obj.GetSize(),
Modified: obj.ModTime(),
IsFolder: obj.IsDir(),
}, nil
}
func (d *Alias) list(ctx context.Context, dst, sub string, args *fs.ListArgs) ([]model.Obj, error) {
objs, err := fs.List(ctx, stdpath.Join(dst, sub), args)
// the obj must implement the model.SetPath interface
// return objs, err
if err != nil {
return nil, err
}
return utils.SliceConvert(objs, func(obj model.Obj) (model.Obj, error) {
thumb, ok := model.GetThumb(obj)
objRes := model.Object{
Name: obj.GetName(),
Size: obj.GetSize(),
Modified: obj.ModTime(),
IsFolder: obj.IsDir(),
}
if !ok {
return &objRes, nil
}
return &model.ObjThumb{
Object: objRes,
Thumbnail: model.Thumbnail{
Thumbnail: thumb,
},
}, nil
})
}
func (d *Alias) link(ctx context.Context, dst, sub string, args model.LinkArgs) (*model.Link, error) {
reqPath := stdpath.Join(dst, sub)
storage, err := fs.GetStorage(reqPath, &fs.GetStoragesArgs{})
if err != nil {
return nil, err
}
_, err = fs.Get(ctx, reqPath, &fs.GetArgs{NoLog: true})
if err != nil {
return nil, err
}
if common.ShouldProxy(storage, stdpath.Base(sub)) {
link := &model.Link{
URL: fmt.Sprintf("%s/p%s?sign=%s",
common.GetApiUrl(args.HttpReq),
utils.EncodePath(reqPath, true),
sign.Sign(reqPath)),
}
if args.HttpReq != nil && d.ProxyRange {
link.RangeReadCloser = common.NoProxyRange
}
return link, nil
}
link, _, err := fs.Link(ctx, reqPath, args)
return link, err
}
func (d *Alias) getReqPath(ctx context.Context, obj model.Obj) (*string, error) {
root, sub := d.getRootAndPath(obj.GetPath())
if sub == "" {
return nil, errs.NotSupport
}
dsts, ok := d.pathMap[root]
if !ok {
return nil, errs.ObjectNotFound
}
var reqPath *string
for _, dst := range dsts {
path := stdpath.Join(dst, sub)
_, err := fs.Get(ctx, path, &fs.GetArgs{NoLog: true})
if err != nil {
continue
}
if !d.ProtectSameName {
return &path, nil
}
if ok {
ok = false
} else {
return nil, errs.NotImplement
}
reqPath = &path
}
if reqPath == nil {
return nil, errs.ObjectNotFound
}
return reqPath, nil
}
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