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gitea-fork-majority-judgment/modules/storage/storage.go

108 lines
2.4 KiB

// 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"
"errors"
"fmt"
"io"
"net/url"
"os"
"code.gitea.io/gitea/modules/setting"
)
var (
// ErrURLNotSupported represents url is not supported
ErrURLNotSupported = errors.New("url method not supported")
// ErrIterateObjectsNotSupported represents IterateObjects not supported
ErrIterateObjectsNotSupported = errors.New("iterateObjects method not supported")
)
// Object represents the object on the storage
type Object interface {
io.ReadCloser
io.Seeker
Stat() (os.FileInfo, error)
}
// ObjectStorage represents an object storage to handle a bucket and files
type ObjectStorage interface {
Open(path string) (Object, error)
Save(path string, r io.Reader) (int64, error)
Stat(path string) (os.FileInfo, error)
Delete(path string) error
URL(path, name string) (*url.URL, error)
IterateObjects(func(path string, obj Object) error) error
}
// Copy copys a file from source ObjectStorage to dest ObjectStorage
func Copy(dstStorage ObjectStorage, dstPath string, srcStorage ObjectStorage, srcPath string) (int64, error) {
f, err := srcStorage.Open(srcPath)
if err != nil {
return 0, err
}
defer f.Close()
return dstStorage.Save(dstPath, f)
}
var (
// Attachments represents attachments storage
Attachments ObjectStorage
// LFS represents lfs storage
LFS ObjectStorage
)
// Init init the stoarge
func Init() error {
if err := initAttachments(); err != nil {
return err
}
return initLFS()
}
func initStorage(storageCfg setting.Storage) (ObjectStorage, error) {
var err error
var s ObjectStorage
switch storageCfg.Type {
case setting.LocalStorageType:
s, err = NewLocalStorage(storageCfg.Path)
case setting.MinioStorageType:
minio := storageCfg.Minio
s, err = NewMinioStorage(
context.Background(),
minio.Endpoint,
minio.AccessKeyID,
minio.SecretAccessKey,
minio.Bucket,
minio.Location,
minio.BasePath,
minio.UseSSL,
)
default:
return nil, fmt.Errorf("Unsupported attachment store type: %s", storageCfg.Type)
}
if err != nil {
return nil, err
}
return s, nil
}
func initAttachments() (err error) {
Attachments, err = initStorage(setting.Attachment.Storage)
return
}
func initLFS() (err error) {
LFS, err = initStorage(setting.LFS.Storage)
return
}