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