gotosocial/internal/storage/s3.go
Mara Sophie Grosch 948e90b95a
[feature] S3: add config flag to proxy S3 media (#1014)
* S3: add config value "proxy" for not redirecting

Signed-off-by: Mara Sophie Grosch <littlefox@lf-net.org>

* S3: document new config value "proxy"

* S3: add new config value "proxy" to test scripts

Signed-off-by: Mara Sophie Grosch <littlefox@lf-net.org>
2022-11-11 12:03:18 +01:00

99 lines
2.6 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package storage
import (
"bytes"
"context"
"fmt"
"io"
"mime"
"net/url"
"path"
"time"
"github.com/minio/minio-go/v7"
)
type S3 struct {
mc *minio.Client
bucket string
proxy bool
}
func NewS3(mc *minio.Client, bucket string, proxy bool) *S3 {
return &S3{
mc: mc,
bucket: bucket,
proxy: proxy,
}
}
func (s *S3) Get(ctx context.Context, key string) ([]byte, error) {
r, err := s.GetStream(ctx, key)
if err != nil {
return nil, err
}
defer r.Close()
b, err := io.ReadAll(r)
if err != nil {
return nil, fmt.Errorf("reading data from s3: %w", err)
}
return b, nil
}
func (s *S3) GetStream(ctx context.Context, key string) (io.ReadCloser, error) {
o, err := s.mc.GetObject(ctx, s.bucket, key, minio.GetObjectOptions{})
if err != nil {
err = fmt.Errorf("retrieving object from s3: %w", err)
}
return o, err
}
func (s *S3) PutStream(ctx context.Context, key string, r io.Reader) error {
if _, err := s.mc.PutObject(ctx, s.bucket, key, r, -1, minio.PutObjectOptions{}); err != nil {
return fmt.Errorf("uploading data stream: %w", err)
}
return nil
}
func (s *S3) Put(ctx context.Context, key string, value []byte) error {
if _, err := s.mc.PutObject(ctx, s.bucket, key, bytes.NewBuffer(value), -1, minio.PutObjectOptions{}); err != nil {
return fmt.Errorf("uploading data slice: %w", err)
}
return nil
}
func (s *S3) Delete(ctx context.Context, key string) error {
return s.mc.RemoveObject(ctx, s.bucket, key, minio.RemoveObjectOptions{})
}
func (s *S3) URL(ctx context.Context, key string) *url.URL {
if s.proxy {
return nil
}
// it's safe to ignore the error here, as we just fall back to fetching the
// file if the url request fails
url, _ := s.mc.PresignedGetObject(ctx, s.bucket, key, time.Hour, url.Values{
"response-content-type": []string{mime.TypeByExtension(path.Ext(key))},
})
return url
}