drone/app/api/controller/upload/download.go

58 lines
1.6 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package upload
import (
"context"
"errors"
"fmt"
"io"
"time"
"github.com/harness/gitness/app/auth"
"github.com/harness/gitness/blob"
"github.com/harness/gitness/types/enum"
)
func (c *Controller) Download(
ctx context.Context,
session *auth.Session,
repoRef string,
filePath string,
) (string, io.ReadCloser, error) {
repo, err := c.getRepoCheckAccess(ctx, session, repoRef, enum.PermissionRepoView)
if err != nil {
return "", nil, fmt.Errorf("failed to acquire access to repo: %w", err)
}
fileBucketPath := getFileBucketPath(repo.ID, filePath)
signedURL, err := c.blobStore.GetSignedURL(ctx, fileBucketPath, time.Now().Add(1*time.Hour))
if err != nil && !errors.Is(err, blob.ErrNotSupported) {
return "", nil, fmt.Errorf("failed to get signed URL: %w", err)
}
if signedURL != "" {
return signedURL, nil, nil
}
file, err := c.blobStore.Download(ctx, fileBucketPath)
if err != nil {
return "", nil, fmt.Errorf("failed to download file from blobstore: %w", err)
}
return "", file, nil
}