/
idFileMap.go
56 lines (47 loc) · 1.77 KB
/
idFileMap.go
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/*
Copyright 2018, Cossack Labs Limited
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 main
import (
"encoding/json"
"errors"
)
// KeyIDFileMap store dependencies between key ids and file paths that was encrypted with this clientID
type KeyIDFileMap map[string][]string
// ErrIncorrectConfigFormat is the error when user pass config with incorrect json format
var ErrIncorrectConfigFormat = errors.New("config must have json format {\"ClientId_or_clientId1\": pathToFileStr, \"ClientId_or_clientId2\": [pathToFileStr, pathToFileStr]}")
// ParseConfig parse json config and convert string values to slice of strings to accept both variants of value
func ParseConfig(configData []byte) (KeyIDFileMap, error) {
var tempStruct map[string]interface{}
if err := json.Unmarshal(configData, &tempStruct); err != nil {
return nil, err
}
config := KeyIDFileMap{}
for key, value := range tempStruct {
switch value.(type) {
case string:
config[key] = []string{value.(string)}
case []interface{}:
config[key] = []string{}
for _, value := range value.([]interface{}) {
if strValue, ok := value.(string); ok {
config[key] = append(config[key], strValue)
} else {
return nil, ErrIncorrectConfigFormat
}
}
default:
return nil, ErrIncorrectConfigFormat
}
}
return config, nil
}