feat(download): Add api for download file by url

downloader/downloader.go

@@ -0,0 +1,6 @@
+package downloader
+
+type Downloader interface {
+	Download(url string, filename string, pathname string) error
+	GetRatio() float64
+}

downloader/wget.go

@@ -0,0 +1,49 @@
+package downloader
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
+type Wget struct {
+	URL      string `json:"url,omitempty"`
+	Filename string `json:"filename,omitempty"`
+	Pathname string `json:"pathname,omitempty"`
+	total    int64
+	received int64
+}
+
+func newWget(url string, filename string, pathname string) *Wget {
+	return &Wget{
+		URL:      url,
+		Filename: filename,
+		Pathname: pathname,
+	}
+}
+
+func (w *Wget) Download(url string, filename string, pathname string) error {
+	_, err := os.Stat(pathname)
+	if err != nil && os.IsNotExist(err) {
+		err := os.Mkdir(pathname, 0755)
+		if err != nil {
+			return err
+		}
+	}
+	download_filepath := filepath.Join(pathname, filename)
+	_, err = os.Stat(download_filepath)
+	if err != nil && os.IsExist(err) {
+		return err
+	}
+	output, err := exec.Command("wget", "-O", download_filepath, url).CombinedOutput()
+	if err != nil {
+		return err
+	}
+	fmt.Printf("%s\n", output)
+	return nil
+}
+
+func (w *Wget) GetRatio() float64 {
+	return float64(w.received) / float64(w.total)
+}

http/downloader.go

@@ -0,0 +1,27 @@
+package http
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/filebrowser/filebrowser/v2/downloader"
+	"net/http"
+)
+
+func downloadHandler() handleFunc {
+	return withUser(func(w http.ResponseWriter, r *http.Request, d *data) (int, error) {
+		fmt.Printf("wget: %v\n", d.user.Perm.Create)
+		if !d.user.Perm.Create {
+			return http.StatusForbidden, nil
+		}
+		var wget downloader.Wget
+		if err := json.NewDecoder(r.Body).Decode(&wget); err != nil {
+			return http.StatusBadRequest, err
+		}
+
+		err := wget.Download(wget.URL, wget.Filename, wget.Pathname)
+		if err != nil {
+			return http.StatusInternalServerError, err
+		}
+		return http.StatusNoContent, nil
+	})
+}

http/http.go

@@ -92,5 +92,7 @@ func NewHandler(
 	public.PathPrefix("/dl").Handler(monkey(publicDlHandler, "/api/public/dl/")).Methods("GET")
 	public.PathPrefix("/share").Handler(monkey(publicShareHandler, "/api/public/share/")).Methods("GET")
 
+	api.PathPrefix("/download").Handler(monkey(downloadHandler(), "/api/download/")).Methods("POST")
+
 	return stripPrefix(server.BaseURL, r), nil
 }