minio/pkg/policy/id.go
Harshavardhana 6695fd6a61
Add more context aware error for policy parsing errors (#8726)
In existing functionality we simply return a generic
error such as "MalformedPolicy" which indicates just
a generic string "invalid resource" which is not very
meaningful when there might be multiple types of errors
during policy parsing. This PR ensures that we send
these errors back to client to indicate the actual
error, brings in two concrete types such as

 - iampolicy.Error
 - policy.Error

Refer #8202
2020-01-03 11:28:52 -08:00

57 lines
1.2 KiB
Go

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* 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 policy
import (
"encoding/json"
"unicode/utf8"
)
// ID - policy ID.
type ID string
// IsValid - checks if ID is valid or not.
func (id ID) IsValid() bool {
return utf8.ValidString(string(id))
}
// MarshalJSON - encodes ID to JSON data.
func (id ID) MarshalJSON() ([]byte, error) {
if !id.IsValid() {
return nil, Errorf("invalid ID %v", id)
}
return json.Marshal(string(id))
}
// UnmarshalJSON - decodes JSON data to ID.
func (id *ID) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
i := ID(s)
if !i.IsValid() {
return Errorf("invalid ID %v", s)
}
*id = i
return nil
}