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https://github.com/caddyserver/caddy.git
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c9980fd367
Use piles from which to draw config values. Module values can return their name, so now we can do two-way mapping from value to name and name to value; whereas before we could only map name to value. This was problematic with the Caddyfile adapter since it receives values and needs to know the name to put in the config.
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddy
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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(fileStorage{})
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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.) This interface allows
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// us to adapt any CertMagic storage implementation
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// into a consistent API for Caddy configuration.
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type StorageConverter interface {
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CertMagicStorage() (certmagic.Storage, error)
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}
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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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// CaddyModule returns the Caddy module information.
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func (fileStorage) CaddyModule() ModuleInfo {
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return ModuleInfo{
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Name: "caddy.storage.file_system",
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New: func() Module { return new(fileStorage) },
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}
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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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