gosuki/internal/utils/paths.go
2023-09-16 17:25:25 +02:00

100 lines
2.3 KiB
Go

//
// Copyright ⓒ 2023 Chakib Ben Ziane <contact@blob42.xyz> and [`GoSuki` contributors]
// (https://github.com/blob42/gosuki/graphs/contributors).
//
// All rights reserved.
//
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This file is part of GoSuki.
//
// GoSuki is free software: you can redistribute it and/or modify it under the terms of
// the GNU Affero General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// GoSuki is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License along with
// gosuki. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"errors"
"fmt"
"os"
"os/user"
"path"
"path/filepath"
)
func GetDefaultDBPath() string {
return "./"
}
func CheckDirExists(path string) (bool, error) {
info, err := os.Stat(path)
if err == nil {
return info.IsDir(), nil
}
return false, err
}
func CheckFileExists(file string) (bool, error) {
info, err := os.Stat(file)
if err == nil {
if info.IsDir() {
errMsg := fmt.Sprintf("'%s' is a directory", file)
return false, errors.New(errMsg)
}
return true, nil
}
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
func CheckWriteable(dir string) error {
_, err := os.Stat(dir)
if err == nil {
// dir exists, make sure we can write to it
testfile := path.Join(dir, "test")
fi, err := os.Create(testfile)
if err != nil {
if os.IsPermission(err) {
return fmt.Errorf("%s is not writeable by the current user", dir)
}
return fmt.Errorf("unexpected error while checking writeablility of repo root: %s", err)
}
fi.Close()
return os.Remove(testfile)
}
if os.IsNotExist(err) {
// dir doesnt exist, check that we can create it
return os.Mkdir(dir, 0775)
}
if os.IsPermission(err) {
return fmt.Errorf("cannot write to %s, incorrect permissions", err)
}
return err
}
func GetHomeDir() string {
user, _ := user.Current()
return user.HomeDir
}
func ExpandPath(paths ...string) string {
return os.ExpandEnv(filepath.Join(paths...))
}