/
FileManager.go
73 lines (64 loc) · 1.96 KB
/
FileManager.go
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/**
* (C) Copyright IBM Corp. 2021.
*
* 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 utils
import (
"encoding/json"
"github.com/IBM/appconfiguration-go-sdk/lib/internal/constants"
"github.com/IBM/appconfiguration-go-sdk/lib/internal/messages"
"github.com/IBM/appconfiguration-go-sdk/lib/internal/utils/log"
"io/ioutil"
"path"
"path/filepath"
"strings"
"sync"
)
var fileMutex sync.Mutex
// SanitizePath : Sanitises the string path and restrict users from providing manipulated path
// Example :
// input: ../../../etc/abc.conf
// output: /etc/abc.conf
func SanitizePath(_path string) string {
return filepath.FromSlash(path.Clean("/" + strings.Trim(_path, "/")))
}
// StoreFiles : Store Files
func StoreFiles(content, basePath string) {
fileMutex.Lock()
defer fileMutex.Unlock()
log.Debug(messages.StoreFile)
file, err := json.MarshalIndent(json.RawMessage(content), "", "\t")
if err != nil {
log.Error(messages.EncodeJSONErr, err)
return
}
sanitizedFilePath := filepath.Join(SanitizePath(basePath), constants.ConfigurationFile)
err = ioutil.WriteFile(sanitizedFilePath, file, 0644)
if err != nil {
log.Error(messages.WriteFileErr, err)
return
}
}
// ReadFiles reads file from the file path
func ReadFiles(filePath string) []byte {
fileMutex.Lock()
defer fileMutex.Unlock()
log.Debug(messages.ReadFile)
file, err := ioutil.ReadFile(filePath)
if err != nil {
log.Error(messages.ReadFileErr, err)
return []byte(`{}`)
}
return file
}