forked from Deuxfleurs/bagage
77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"io"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/minio/minio-go/v7"
|
|
"golang.org/x/net/webdav"
|
|
)
|
|
|
|
/*
|
|
* S3FS lifetime is limited to a single request
|
|
* Conversely, Golang's abstraction has been thought to be shared between users
|
|
* Sharing an instance between users would be very dangerous (as we would need many checks between shared values)
|
|
*/
|
|
type S3FS struct {
|
|
cache map[string]*S3Stat
|
|
mc *minio.Client
|
|
ctx context.Context
|
|
}
|
|
|
|
func NewS3FS(mc *minio.Client) S3FS {
|
|
return S3FS{
|
|
cache: make(map[string]*S3Stat),
|
|
mc: mc,
|
|
}
|
|
}
|
|
|
|
func (s S3FS) Mkdir(ctx context.Context, name string, perm os.FileMode) error {
|
|
s.ctx = ctx
|
|
f, err := NewS3File(&s, path.Join(name, ".bagage"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
_, err = io.Copy(f, strings.NewReader("This is a placeholder"))
|
|
return nil
|
|
}
|
|
|
|
func (s S3FS) OpenFile(ctx context.Context, name string, flag int, perm os.FileMode) (webdav.File, error) {
|
|
s.ctx = ctx
|
|
|
|
// If the file does not exist when opening it, we create a stub
|
|
if _, ok := s.cache[name]; !ok {
|
|
st := new(S3Stat)
|
|
st.fs = &s
|
|
st.path = NewS3Path(name)
|
|
st.path.class = OBJECT
|
|
st.obj.Key = st.path.key
|
|
st.obj.LastModified = time.Now()
|
|
s.cache[name] = st
|
|
}
|
|
|
|
return NewS3File(&s, name)
|
|
}
|
|
|
|
func (s S3FS) RemoveAll(ctx context.Context, name string) error {
|
|
s.ctx = ctx
|
|
return errors.New("Not implemented RemoveAll")
|
|
}
|
|
|
|
func (s S3FS) Rename(ctx context.Context, oldName, newName string) error {
|
|
s.ctx = ctx
|
|
return errors.New("Not implemented Rename")
|
|
}
|
|
|
|
func (s S3FS) Stat(ctx context.Context, name string) (os.FileInfo, error) {
|
|
s.ctx = ctx
|
|
return NewS3Stat(&s, name)
|
|
}
|