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package caddy2
import (
"os"
"path/filepath"
"runtime"
"github.com/mholt/certmagic"
)
func init() {
RegisterModule(Module{
Name: "caddy.storage.file_system",
New: func() (interface{}, error) { return new(fileStorage), nil },
})
}
// StorageConverter is a type that can convert itself
// to a valid, usable certmagic.Storage value. (The
// value might be short-lived.) This interface allows
// us to adapt any CertMagic storage implementation
// into a consistent API for Caddy configuration.
type StorageConverter interface {
CertMagicStorage() (certmagic.Storage, error)
}
// fileStorage is a certmagic.Storage wrapper for certmagic.FileStorage.
type fileStorage struct {
Root string `json:"root"`
}
func (s fileStorage) CertMagicStorage() (certmagic.Storage, error) {
return &certmagic.FileStorage{Path: s.Root}, nil
}
// homeDir returns the best guess of the current user's home
// directory from environment variables. If unknown, "." (the
// current directory) is returned instead.
func homeDir() string {
home := os.Getenv("HOME")
if home == "" && runtime.GOOS == "windows" {
drive := os.Getenv("HOMEDRIVE")
path := os.Getenv("HOMEPATH")
home = drive + path
if drive == "" || path == "" {
home = os.Getenv("USERPROFILE")
}
}
if home == "" {
home = "."
}
return home
}
// dataDir returns a directory path that is suitable for storage.
// https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html#variables
func dataDir() string {
baseDir := filepath.Join(homeDir(), ".local", "share")
if xdgData := os.Getenv("XDG_DATA_HOME"); xdgData != "" {
baseDir = xdgData
}
return filepath.Join(baseDir, "caddy")
}
// Interface guard
var _ StorageConverter = fileStorage{}
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