download:content to url

modules/storage/local.go

@@ -64,3 +64,7 @@ func (l *LocalStorage) Delete(path string) error {
 	p := filepath.Join(l.dir, path)
 	return os.Remove(p)
 }
+
+func (l *LocalStorage) PresignedGetURL(path string, fileName string) (string,error) {
+	return "",nil
+}

modules/storage/minio.go

@@ -6,8 +6,10 @@ package storage
 
 import (
 	"io"
+	"net/url"
 	"path"
 	"strings"
+	"time"
 
 	"github.com/minio/minio-go"
 )
@@ -16,6 +18,8 @@ var (
 	_ ObjectStorage = &MinioStorage{}
 )
 
+const PRESIGNED_URL_EXPIRE_TIME = time.Hour * 24 * 7
+
 // MinioStorage returns a minio bucket storage
 type MinioStorage struct {
 	client   *minio.Client
@@ -68,3 +72,18 @@ func (m *MinioStorage) Save(path string, r io.Reader) (int64, error) {
 func (m *MinioStorage) Delete(path string) error {
 	return m.client.RemoveObject(m.bucket, m.buildMinioPath(path))
 }
+
+//Get Presigned URL
+func (m *MinioStorage) PresignedGetURL(path string, fileName string) (string,error) {
+	// Set request parameters for content-disposition.
+	reqParams := make(url.Values)
+	reqParams.Set("response-content-disposition", "attachment; filename=\"" + fileName + "\"")
+
+	var preURL *url.URL
+	preURL,err := m.client.PresignedGetObject(m.bucket, m.buildMinioPath(path), PRESIGNED_URL_EXPIRE_TIME, reqParams)
+	if err != nil {
+		return "",err
+	}
+
+	return preURL.String(),nil
+}

modules/storage/storage.go

@@ -16,6 +16,7 @@ type ObjectStorage interface {
 	Save(path string, r io.Reader) (int64, error)
 	Open(path string) (io.ReadCloser, error)
 	Delete(path string) error
+	PresignedGetURL(path string, fileName string) (string, error)
 }
 
 // Copy copys a file from source ObjectStorage to dest ObjectStorage

routers/repo/attachment.go

@@ -5,6 +5,7 @@
 package repo
 
 import (
+	"code.gitea.io/gitea/modules/storage"
 	"fmt"
 	"net/http"
 	"strings"
@@ -13,7 +14,6 @@ import (
 	"code.gitea.io/gitea/modules/context"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
-	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/modules/upload"
 )
 
@@ -124,6 +124,7 @@ func GetAttachment(ctx *context.Context) {
 	}
 
 	//If we have matched and access to release or issue
+	/*
 	fr, err := storage.Attachments.Open(attach.RelativePath())
 	if err != nil {
 		ctx.ServerError("Open", err)
@@ -131,13 +132,29 @@ func GetAttachment(ctx *context.Context) {
 	}
 	defer fr.Close()
 
+	 */
+
+	url, err := storage.Attachments.PresignedGetURL(attach.RelativePath(), attach.Name)
+	if err != nil {
+		ctx.ServerError("PresignedGetURL", err)
+		return
+	}
+
 	if err := attach.IncreaseDownloadCount(); err != nil {
 		ctx.ServerError("Update", err)
 		return
 	}
 
+	ctx.JSON(200, map[string]string{
+		"name": attach.Name,
+		"url": url,
+	})
+
+	/*
 	if err = ServeData(ctx, attach.Name, fr); err != nil {
 		ctx.ServerError("ServeData", err)
 		return
 	}
+
+	 */
 }