feat: add webdav driver

drivers/webdav/driver.go

@@ -0,0 +1,130 @@
+package webdav
+
+import (
+	"context"
+	"net/http"
+	"os"
+	"path"
+	"time"
+
+	"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/cron"
+	"github.com/alist-org/alist/v3/pkg/gowebdav"
+	"github.com/alist-org/alist/v3/pkg/utils"
+)
+
+type WebDav struct {
+	model.Storage
+	Addition
+	client *gowebdav.Client
+	cron   *cron.Cron
+}
+
+func (d *WebDav) Config() driver.Config {
+	return config
+}
+
+func (d *WebDav) GetAddition() driver.Additional {
+	return d.Addition
+}
+
+func (d *WebDav) Init(ctx context.Context, storage model.Storage) error {
+	d.Storage = storage
+	err := utils.Json.UnmarshalFromString(d.Storage.Addition, &d.Addition)
+	if err != nil {
+		return err
+	}
+	err = d.setClient()
+	if err == nil {
+		d.cron = cron.NewCron(time.Hour * 12)
+		d.cron.Do(func() {
+			_ = d.setClient()
+		})
+	}
+	return err
+}
+
+func (d *WebDav) Drop(ctx context.Context) error {
+	if d.cron != nil {
+		d.cron.Stop()
+	}
+	return nil
+}
+
+func (d *WebDav) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
+	files, err := d.client.ReadDir(dir.GetPath())
+	if err != nil {
+		return nil, err
+	}
+	return utils.SliceConvert(files, func(src os.FileInfo) (model.Obj, error) {
+		return &model.Object{
+			Name:     src.Name(),
+			Size:     src.Size(),
+			Modified: src.ModTime(),
+			IsFolder: src.IsDir(),
+		}, nil
+	})
+}
+
+//func (d *WebDav) Get(ctx context.Context, path string) (model.Obj, error) {
+//	// this is optional
+//	return nil, errs.NotImplement
+//}
+
+func (d *WebDav) Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error) {
+	callback := func(r *http.Request) {
+		if args.Header.Get("Range") != "" {
+			r.Header.Set("Range", args.Header.Get("Range"))
+		}
+		if args.Header.Get("If-Range") != "" {
+			r.Header.Set("If-Range", args.Header.Get("If-Range"))
+		}
+	}
+	reader, header, err := d.client.ReadStream(file.GetPath(), callback)
+	if err != nil {
+		return nil, err
+	}
+	link := &model.Link{Data: reader}
+	if header.Get("Content-Range") != "" {
+		link.Status = 206
+		link.Header = header
+	}
+	return link, nil
+}
+
+func (d *WebDav) MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error {
+	return d.client.MkdirAll(path.Join(parentDir.GetPath(), dirName), 0644)
+}
+
+func (d *WebDav) Move(ctx context.Context, srcObj, dstDir model.Obj) error {
+	return d.client.Rename(srcObj.GetPath(), path.Join(dstDir.GetPath(), srcObj.GetName()), true)
+}
+
+func (d *WebDav) Rename(ctx context.Context, srcObj model.Obj, newName string) error {
+	return d.client.Rename(srcObj.GetPath(), path.Join(path.Dir(srcObj.GetPath()), newName), true)
+}
+
+func (d *WebDav) Copy(ctx context.Context, srcObj, dstDir model.Obj) error {
+	return d.client.Copy(srcObj.GetPath(), path.Join(dstDir.GetPath(), srcObj.GetName()), true)
+}
+
+func (d *WebDav) Remove(ctx context.Context, obj model.Obj) error {
+	return d.client.RemoveAll(obj.GetPath())
+}
+
+func (d *WebDav) Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up driver.UpdateProgress) error {
+	callback := func(r *http.Request) {
+		r.Header.Set("Content-Type", stream.GetMimetype())
+		r.ContentLength = stream.GetSize()
+	}
+	err := d.client.WriteStream(path.Join(dstDir.GetPath(), stream.GetName()), stream, 0644, callback)
+	return err
+}
+
+func (d *WebDav) Other(ctx context.Context, args model.OtherArgs) (interface{}, error) {
+	return nil, errs.NotSupport
+}
+
+var _ driver.Driver = (*WebDav)(nil)