mirror of https://github.com/caddyserver/caddy.git
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
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package caddy2
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import (
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"os"
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"path/filepath"
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"runtime"
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"github.com/mholt/certmagic"
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)
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func init() {
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RegisterModule(Module{
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Name: "caddy.storage.file_system",
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New: func() (interface{}, error) { return new(fileStorage), nil },
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})
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}
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// StorageConverter is a type that can convert itself
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// to a valid, usable certmagic.Storage value. The
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// value might be short-lived.
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type StorageConverter interface {
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CertMagicStorage() (certmagic.Storage, error)
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}
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// TODO: Wrappers other than file_system should be enterprise-only.
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// It may seem trivial to wrap these, but the benefits are:
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// 1. We don't need to change the actual CertMagic storage implementions
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// to a structure that is operable with Caddy's config (including JSON
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// tags), and
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// 2. We don't need to rely on rely on maintainers of third-party
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// certmagic.Storage implementations. We can make any certmagic.Storage
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// work with Caddy this way.
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// fileStorage is a certmagic.Storage wrapper for certmagic.FileStorage.
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type fileStorage struct {
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Root string `json:"root"`
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}
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func (s fileStorage) CertMagicStorage() (certmagic.Storage, error) {
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return &certmagic.FileStorage{Path: s.Root}, nil
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}
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// homeDir returns the best guess of the current user's home
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// directory from environment variables. If unknown, "." (the
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// current directory) is returned instead.
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func homeDir() string {
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home := os.Getenv("HOME")
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if home == "" && runtime.GOOS == "windows" {
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drive := os.Getenv("HOMEDRIVE")
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path := os.Getenv("HOMEPATH")
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home = drive + path
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if drive == "" || path == "" {
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home = os.Getenv("USERPROFILE")
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}
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}
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if home == "" {
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home = "."
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}
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return home
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}
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// dataDir returns a directory path that is suitable for storage.
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// https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html#variables
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func dataDir() string {
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baseDir := filepath.Join(homeDir(), ".local", "share")
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if xdgData := os.Getenv("XDG_DATA_HOME"); xdgData != "" {
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baseDir = xdgData
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}
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return filepath.Join(baseDir, "caddy")
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}
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// Interface guard
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var _ StorageConverter = fileStorage{}
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