get pre url

modules/storage/local.go

@@ -68,3 +68,7 @@ func (l *LocalStorage) Delete(path string) error {
 func (l *LocalStorage) PresignedGetURL(path string, fileName string) (string,error) {
 	return "",nil
 }
+
+func (l *LocalStorage) PresignedPutURL(path string) (string,error) {
+	return "",nil
+}

modules/storage/minio.go

@@ -18,7 +18,10 @@ var (
 	_ ObjectStorage = &MinioStorage{}
 )
 
-const PRESIGNED_URL_EXPIRE_TIME = time.Hour * 24 * 7
+const (
+	PresignedGetUrlExpireTime = time.Hour * 24 * 7
+	PresignedPutUrlExpireTime = time.Hour * 24 * 7
+)
 
 // MinioStorage returns a minio bucket storage
 type MinioStorage struct {
@@ -73,14 +76,25 @@ func (m *MinioStorage) Delete(path string) error {
 	return m.client.RemoveObject(m.bucket, m.buildMinioPath(path))
 }
 
-//Get Presigned URL
+//Get Presigned URL for get object
 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)
+	preURL,err := m.client.PresignedGetObject(m.bucket, m.buildMinioPath(path), PresignedGetUrlExpireTime, reqParams)
+	if err != nil {
+		return "",err
+	}
+
+	return preURL.String(),nil
+}
+
+//Get Presigned URL for put object
+func (m *MinioStorage) PresignedPutURL(path string) (string,error) {
+	var preURL *url.URL
+	preURL,err := m.client.PresignedPutObject(m.bucket, m.buildMinioPath(path), PresignedPutUrlExpireTime)
 	if err != nil {
 		return "",err
 	}

modules/storage/storage.go

@@ -22,6 +22,7 @@ type ObjectStorage interface {
 	Open(path string) (io.ReadCloser, error)
 	Delete(path string) error
 	PresignedGetURL(path string, fileName string) (string, error)
+	PresignedPutURL(path string) (string, error)
 }
 
 // Copy copys a file from source ObjectStorage to dest ObjectStorage

routers/repo/attachment.go

@@ -15,6 +15,8 @@ import (
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/modules/upload"
+
+	gouuid "github.com/satori/go.uuid"
 )
 
 func RenderAttachmentSettings(ctx *context.Context) {
@@ -193,3 +195,32 @@ func increaseDownloadCount(attach *models.Attachment, dataSet *models.Dataset) e
 
 	return nil
 }
+
+// Get a presigned url for put object
+func GetPresignedPutObjectURL(ctx *context.Context) {
+	if !setting.Attachment.Enabled {
+		ctx.Error(404, "attachment is not enabled")
+		return
+	}
+
+	uuid := ""
+	url := ""
+
+	if setting.Attachment.StoreType == storage.MinioStorageType {
+		uuid = gouuid.NewV4().String()
+		url, err := storage.Attachments.PresignedPutURL(models.AttachmentRelativePath(uuid))
+		if err != nil {
+			ctx.ServerError("PresignedPutURL", err)
+			return
+		}
+		log.Trace(url)
+	} else {
+		ctx.Error(404, "storage type is not enabled")
+		return
+	}
+
+	ctx.JSON(200, map[string]string{
+		"uuid": uuid,
+		"url": url,
+	})
+}

routers/routes/routes.go

@@ -519,6 +519,7 @@ func RegisterRoutes(m *macaron.Macaron) {
 	m.Group("/attachments", func() {
 		m.Post("", repo.UploadAttachment)
 		m.Post("/delete", repo.DeleteAttachment)
+		m.Get("/get_pre_url", repo.GetPresignedPutObjectURL)
 	}, reqSignIn)
 
 	m.Group("/:username", func() {