clash/constant/path.go

87 lines
1.6 KiB
Go

package constant
import (
"os"
P "path"
"path/filepath"
"strings"
)
const Name = "clash"
// Path is used to get the configuration path
//
// on Unix systems, `$HOME/.config/clash`.
// on Windows, `%USERPROFILE%/.config/clash`.
var Path = func() *path {
homeDir, err := os.UserHomeDir()
if err != nil {
homeDir, _ = os.Getwd()
}
homeDir = P.Join(homeDir, ".config", Name)
if _, err = os.Stat(homeDir); err != nil {
if configHome, ok := os.LookupEnv("XDG_CONFIG_HOME"); ok {
homeDir = P.Join(configHome, Name)
}
}
return &path{homeDir: homeDir, configFile: "config.yaml"}
}()
type path struct {
homeDir string
configFile string
}
// SetHomeDir is used to set the configuration path
func SetHomeDir(root string) {
Path.homeDir = root
}
// SetConfig is used to set the configuration file
func SetConfig(file string) {
Path.configFile = file
}
func (p *path) HomeDir() string {
return p.homeDir
}
func (p *path) Config() string {
return p.configFile
}
// Resolve return a absolute path or a relative path with homedir
func (p *path) Resolve(path string) string {
if !filepath.IsAbs(path) {
return filepath.Join(p.HomeDir(), path)
}
return path
}
// IsSubPath return true if path is a subpath of homedir
func (p *path) IsSubPath(path string) bool {
homedir := p.HomeDir()
path = p.Resolve(path)
rel, err := filepath.Rel(homedir, path)
if err != nil {
return false
}
return !strings.Contains(rel, "..")
}
func (p *path) MMDB() string {
return P.Join(p.homeDir, "Country.mmdb")
}
func (p *path) OldCache() string {
return P.Join(p.homeDir, ".cache")
}
func (p *path) Cache() string {
return P.Join(p.homeDir, "cache.db")
}