forked from asteris-llc/vaultfs
/
secret.go
78 lines (66 loc) · 1.9 KB
/
secret.go
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// Copyright © 2016 Asteris, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fs
import (
"encoding/json"
"bazil.org/fuse"
"github.com/sirupsen/logrus"
"github.com/hashicorp/vault/api"
"golang.org/x/net/context"
"github.com/buger/jsonparser"
)
// Secret implements Node and Handle
type Secret struct {
*api.Secret
inode uint64
}
// Attr returns attributes about this Secret
func (s Secret) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = s.inode
a.Mode = 0444
content, err := s.ReadAll(ctx)
if err != nil {
logrus.WithError(err).Error("could not determine content length")
return fuse.EIO
}
a.Size = uint64(len(content))
return nil
}
// ReadAll gets the content of this Secret
// Logic tries to parse the data portion of the file, on failure, returns entire byte stream
func (s Secret) ReadAll(ctx context.Context) ([]byte, error) {
byteValue, err := json.Marshal(s)
if err != nil {
return byteValue, err
}
var dataValue []byte
paths := [][]string{
[]string{"data", "value"},
[]string{"data", "ca"},
[]string{"data", "ca_chain"},
[]string{"data", "certificate"},
}
jsonparser.EachKey(byteValue, func(idx int, value []byte, vt jsonparser.ValueType, err error){
if err != nil {
logrus.WithError(err).Error("could not parse secret")
dataValue = byteValue
} else {
switch idx {
default:
dataValue = value
}
}
}, paths...)
return dataValue, nil
}