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storage.go
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storage.go
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package calibre
import (
"bytes"
"context"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
"github.com/studio-b12/gowebdav"
"io"
"os"
"path"
"time"
)
type FileClient interface {
Stat(path string) (os.FileInfo, error)
ReadStream(path string) (io.ReadCloser, error)
}
type LocalFileClient struct {
dir string
}
func (l LocalFileClient) Stat(p string) (os.FileInfo, error) {
return os.Stat(path.Join(l.dir, p))
}
func (l LocalFileClient) ReadStream(p string) (io.ReadCloser, error) {
file, err := os.ReadFile(path.Join(l.dir, p))
if err != nil {
return nil, err
}
return io.NopCloser(bytes.NewReader(file)), nil
}
type MinioFileClient struct {
config Minio
minioClient *minio.Client
ctx context.Context
}
func (m MinioFileClient) Stat(p string) (os.FileInfo, error) {
stat, err := m.minioClient.StatObject(m.ctx, m.config.BucketName, path.Join(m.config.Path, p), minio.GetObjectOptions{})
if err != nil {
return nil, err
}
return &FileInfo{stat: stat}, nil
}
func (m MinioFileClient) ReadStream(p string) (io.ReadCloser, error) {
object, err := m.minioClient.GetObject(m.ctx, m.config.BucketName, path.Join(m.config.Path, p), minio.GetObjectOptions{})
if err != nil {
return nil, err
}
return object, err
}
func NewWebDavClient(webdav Webdav) FileClient {
return gowebdav.NewClient(webdav.Host, webdav.User, webdav.Password)
}
func NewLocalClient(local Local) FileClient {
return &LocalFileClient{
dir: local.Path,
}
}
func NewMinioClient(config Minio, ctx context.Context) (FileClient, error) {
// Initialize minio client object.
minioClient, err := minio.New(config.Endpoint, &minio.Options{
Creds: credentials.NewStaticV4(config.AccessKeyID, config.SecretAccessKey, ""),
Secure: config.UseSSL,
})
return &MinioFileClient{
config: config,
minioClient: minioClient,
ctx: ctx,
}, err
}
type FileInfo struct {
stat minio.ObjectInfo
}
// Name Implements os.FileInfo
func (s *FileInfo) Name() string {
return path.Base(s.stat.Key)
}
func (s *FileInfo) Mode() os.FileMode {
return os.FileMode(int(0444))
}
func (s *FileInfo) ModTime() time.Time {
return s.stat.LastModified
}
func (s *FileInfo) IsDir() bool {
return false
}
func (s *FileInfo) Sys() interface{} { return s.stat }
func (s *FileInfo) Size() int64 {
return s.stat.Size
}