sftpgo/examples/ldapauthserver/utils/utils.go

package utils

import (
	"path/filepath"
	"strings"
)

// IsFileInputValid returns true this is a valid file name.
// This method must be used before joining a file name, generally provided as
// user input, with a directory
func IsFileInputValid(fileInput string) bool {
	cleanInput := filepath.Clean(fileInput)
	if cleanInput == "." || cleanInput == ".." {
		return false
	}
	return true
}

// IsStringPrefixInSlice searches a string prefix in a slice and returns true
// if a matching prefix is found
func IsStringPrefixInSlice(obj string, list []string) bool {
	for _, v := range list {
		if strings.HasPrefix(obj, v) {
			return true
		}
	}
	return false
}