forgejo/modules/storage/minio.go
Lunny Xiao 7a5465fc56
LFS support to be stored on minio (#12518)
* LFS support to be stored on minio

* Fix test

* Fix lint

* Fix lint

* Fix check

* Fix test

* Update documents and add migration for LFS

* Fix some bugs
2020-09-08 23:45:10 +08:00

137 lines
3.5 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package storage
import (
"context"
"io"
"net/url"
"os"
"path"
"strings"
"time"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
)
var (
_ ObjectStorage = &MinioStorage{}
quoteEscaper = strings.NewReplacer("\\", "\\\\", `"`, "\\\"")
)
// MinioStorage returns a minio bucket storage
type MinioStorage struct {
ctx context.Context
client *minio.Client
bucket string
basePath string
}
// NewMinioStorage returns a minio storage
func NewMinioStorage(ctx context.Context, endpoint, accessKeyID, secretAccessKey, bucket, location, basePath string, useSSL bool) (*MinioStorage, error) {
minioClient, err := minio.New(endpoint, &minio.Options{
Creds: credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
Secure: useSSL,
})
if err != nil {
return nil, err
}
if err := minioClient.MakeBucket(ctx, bucket, minio.MakeBucketOptions{
Region: location,
}); err != nil {
// Check to see if we already own this bucket (which happens if you run this twice)
exists, errBucketExists := minioClient.BucketExists(ctx, bucket)
if !exists || errBucketExists != nil {
return nil, err
}
}
return &MinioStorage{
ctx: ctx,
client: minioClient,
bucket: bucket,
basePath: basePath,
}, nil
}
func (m *MinioStorage) buildMinioPath(p string) string {
return strings.TrimPrefix(path.Join(m.basePath, p), "/")
}
// Open open a file
func (m *MinioStorage) Open(path string) (Object, error) {
var opts = minio.GetObjectOptions{}
object, err := m.client.GetObject(m.ctx, m.bucket, m.buildMinioPath(path), opts)
if err != nil {
return nil, err
}
return object, nil
}
// Save save a file to minio
func (m *MinioStorage) Save(path string, r io.Reader) (int64, error) {
uploadInfo, err := m.client.PutObject(
m.ctx,
m.bucket,
m.buildMinioPath(path),
r,
-1,
minio.PutObjectOptions{ContentType: "application/octet-stream"},
)
if err != nil {
return 0, err
}
return uploadInfo.Size, nil
}
type minioFileInfo struct {
minio.ObjectInfo
}
func (m minioFileInfo) Name() string {
return m.ObjectInfo.Key
}
func (m minioFileInfo) Size() int64 {
return m.ObjectInfo.Size
}
func (m minioFileInfo) ModTime() time.Time {
return m.LastModified
}
// Stat returns the stat information of the object
func (m *MinioStorage) Stat(path string) (ObjectInfo, error) {
info, err := m.client.StatObject(
m.ctx,
m.bucket,
m.buildMinioPath(path),
minio.StatObjectOptions{},
)
if err != nil {
if errResp, ok := err.(minio.ErrorResponse); ok {
if errResp.Code == "NoSuchKey" {
return nil, os.ErrNotExist
}
}
return nil, err
}
return &minioFileInfo{info}, nil
}
// Delete delete a file
func (m *MinioStorage) Delete(path string) error {
return m.client.RemoveObject(m.ctx, m.bucket, m.buildMinioPath(path), minio.RemoveObjectOptions{})
}
// URL gets the redirect URL to a file. The presigned link is valid for 5 minutes.
func (m *MinioStorage) URL(path, name string) (*url.URL, error) {
reqParams := make(url.Values)
// TODO it may be good to embed images with 'inline' like ServeData does, but we don't want to have to read the file, do we?
reqParams.Set("response-content-disposition", "attachment; filename=\""+quoteEscaper.Replace(name)+"\"")
return m.client.PresignedGetObject(m.ctx, m.bucket, m.buildMinioPath(path), 5*time.Minute, reqParams)
}