mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-25 09:40:13 +08:00
Change storage paths to follow OS conventions; migrate folder (#2955)
This commit is contained in:
parent
fdabac51a8
commit
984d384d14
2
caddy.go
2
caddy.go
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@ -348,7 +348,7 @@ func run(newCfg *Config, start bool) error {
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}
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if newCfg.storage == nil {
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newCfg.storage = &certmagic.FileStorage{Path: dataDir()}
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newCfg.storage = &certmagic.FileStorage{Path: AppDataDir()}
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}
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certmagic.Default.Storage = newCfg.storage
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@ -154,6 +154,8 @@ func cmdRun(fl Flags) (int, error) {
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if err != nil {
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return caddy.ExitCodeFailedStartup, err
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}
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// TODO: This is TEMPORARY, until the RCs
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moveStorage()
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// set a fitting User-Agent for ACME requests
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goModule := caddy.GoModule()
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@ -190,6 +192,25 @@ func cmdRun(fl Flags) (int, error) {
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}
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}
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// warn if the environment does not provide enough information about the disk
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hasXDG := os.Getenv("XDG_DATA_HOME") != "" &&
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os.Getenv("XDG_CONFIG_HOME") != "" &&
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os.Getenv("XDG_CACHE_HOME") != ""
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switch runtime.GOOS {
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case "windows":
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if os.Getenv("HOME") == "" && os.Getenv("USERPROFILE") == "" && !hasXDG {
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caddy.Log().Warn("neither HOME nor USERPROFILE environment variables are set - please fix; some assets might be stored in ./caddy")
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}
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case "plan9":
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if os.Getenv("home") == "" && !hasXDG {
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caddy.Log().Warn("$home environment variable is empty - please fix; some assets might be stored in ./caddy")
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}
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default:
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if os.Getenv("HOME") == "" && !hasXDG {
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caddy.Log().Warn("$HOME environment variable is empty - please fix; some assets might be stored in ./caddy")
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}
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}
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select {}
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}
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71
cmd/main.go
71
cmd/main.go
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@ -22,12 +22,15 @@ import (
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/caddyserver/caddy/v2"
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"github.com/caddyserver/caddy/v2/caddyconfig"
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"go.uber.org/zap"
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)
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// Main implements the main function of the caddy command.
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@ -226,3 +229,71 @@ func printEnvironment() {
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fmt.Println(v)
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}
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}
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// moveStorage moves the old default dataDir to the new default dataDir.
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// TODO: This is TEMPORARY until the release candidates.
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func moveStorage() {
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// get the home directory (the old way)
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oldHome := os.Getenv("HOME")
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if oldHome == "" && runtime.GOOS == "windows" {
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drive := os.Getenv("HOMEDRIVE")
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path := os.Getenv("HOMEPATH")
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oldHome = drive + path
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if drive == "" || path == "" {
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oldHome = os.Getenv("USERPROFILE")
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}
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}
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if oldHome == "" {
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oldHome = "."
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}
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oldDataDir := filepath.Join(oldHome, ".local", "share", "caddy")
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// nothing to do if old data dir doesn't exist
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_, err := os.Stat(oldDataDir)
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if os.IsNotExist(err) {
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return
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}
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// nothing to do if the new data dir is the same as the old one
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newDataDir := caddy.AppDataDir()
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if oldDataDir == newDataDir {
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return
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}
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logger := caddy.Log().Named("automigrate").With(
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zap.String("old_dir", oldDataDir),
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zap.String("new_dir", newDataDir))
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logger.Info("beginning one-time data directory migration",
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zap.String("details", "https://github.com/caddyserver/caddy/issues/2955"))
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// if new data directory exists, avoid auto-migration as a conservative safety measure
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_, err = os.Stat(newDataDir)
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if !os.IsNotExist(err) {
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logger.Error("new data directory already exists; skipping auto-migration as conservative safety measure",
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zap.Error(err),
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zap.String("instructions", "https://github.com/caddyserver/caddy/issues/2955#issuecomment-570000333"))
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return
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}
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// construct the new data directory's parent folder
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err = os.MkdirAll(filepath.Dir(newDataDir), 0700)
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if err != nil {
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logger.Error("unable to make new datadirectory - follow link for instructions",
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zap.String("instructions", "https://github.com/caddyserver/caddy/issues/2955#issuecomment-570000333"),
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zap.Error(err))
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return
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}
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// folder structure is same, so just try to rename (move) it;
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// this fails if the new path is on a separate device
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err = os.Rename(oldDataDir, newDataDir)
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if err != nil {
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logger.Error("new data directory already exists; skipping auto-migration as conservative safety measure - follow link for instructions",
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zap.String("instructions", "https://github.com/caddyserver/caddy/issues/2955#issuecomment-570000333"),
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zap.Error(err))
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}
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logger.Info("successfully completed one-time migration of data directory",
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zap.String("details", "https://github.com/caddyserver/caddy/issues/2955"))
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}
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1
go.sum
1
go.sum
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@ -63,6 +63,7 @@ github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA
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github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=
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github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
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github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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github.com/cloudflare/cloudflare-go v0.10.2 h1:VBodKICVPnwmDxstcW3biKcDSpFIfS/RELUXsZSBYK4=
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github.com/cloudflare/cloudflare-go v0.10.2/go.mod h1:qhVI5MKwBGhdNU89ZRz2plgYutcJ5PCekLxXn56w6SY=
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github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd h1:qMd81Ts1T2OTKmB4acZcyKaMtRnY5Y44NuXGX2GFJ1w=
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github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
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122
storage.go
122
storage.go
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@ -20,6 +20,7 @@ import (
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"runtime"
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"github.com/mholt/certmagic"
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"go.uber.org/zap"
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)
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// StorageConverter is a type that can convert itself
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@ -31,10 +32,28 @@ type StorageConverter interface {
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CertMagicStorage() (certmagic.Storage, error)
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}
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// homeDir returns the best guess of the current user's home
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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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// current directory) is returned instead, except GOOS=android,
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// which returns "/sdcard".
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func HomeDir() string {
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home := homeDirUnsafe()
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if home == "" && runtime.GOOS == "android" {
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home = "/sdcard"
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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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// homeDirUnsafe is a low-level function that returns
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// the user's home directory from environment
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// variables. Careful: if it cannot be determined, an
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// empty string is returned. If not accounting for
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// that case, use HomeDir() instead; otherwise you
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// may end up using the root of the file system.
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func homeDirUnsafe() 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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@ -44,21 +63,96 @@ func homeDir() string {
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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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if home == "" && runtime.GOOS == "plan9" {
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home = os.Getenv("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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// AppConfigDir returns the directory where to store user's config.
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//
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// If XDG_CONFIG_HOME is set, it returns: $XDG_CONFIG_HOME/caddy.
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// Otherwise, os.UserConfigDir() is used; if successful, it appends
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// "Caddy" (Windows & Mac) or "caddy" (every other OS) to the path.
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// If it returns an error, the fallback path "./caddy" is returned.
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//
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// The config directory is not guaranteed to be different from
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// AppDataDir().
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//
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// Unlike os.UserConfigDir(), this function prefers the
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// XDG_CONFIG_HOME env var on all platforms, not just Unix.
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//
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// Ref: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
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func AppConfigDir() string {
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basedir := os.Getenv("XDG_CONFIG_HOME")
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if basedir == "" {
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var err error
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basedir, err = os.UserConfigDir()
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if err != nil {
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Log().Warn("unable to determine directory for user configuration; falling back to current directory", zap.Error(err))
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return "./caddy"
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}
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}
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return filepath.Join(baseDir, "caddy")
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subdir := "caddy"
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switch runtime.GOOS {
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case "windows", "darwin":
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subdir = "Caddy"
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}
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return filepath.Join(basedir, subdir)
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}
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// TODO: Consider using Go 1.13's os.UserConfigDir() (https://golang.org/pkg/os/#UserConfigDir)
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// if we are going to store the last-loaded config anywhere
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// AppDataDir returns a directory path that is suitable for storing
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// application data on disk. It uses the environment for finding the
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// best place to store data, and appends a "caddy" or "Caddy" (depending
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// on OS and environment) subdirectory.
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//
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// For a base directory path:
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// If XDG_DATA_HOME is set, it returns: $XDG_DATA_HOME/caddy; otherwise,
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// on Windows it returns: %AppData%/Caddy,
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// on Mac: $HOME/Library/Application Support/Caddy,
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// on Plan9: $home/lib/caddy,
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// on Android: $HOME/caddy,
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// and on everything else: $HOME/.local/share/caddy.
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//
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// If a data directory cannot be determined, it returns "./caddy"
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// (this is not ideal, and the environment should be fixed).
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//
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// The data directory is not guaranteed to be different from AppConfigDir().
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//
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// Ref: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
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func AppDataDir() string {
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if basedir := os.Getenv("XDG_DATA_HOME"); basedir != "" {
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return filepath.Join(basedir, "caddy")
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}
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switch runtime.GOOS {
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case "windows":
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appData := os.Getenv("AppData")
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if appData != "" {
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return filepath.Join(appData, "Caddy")
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}
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case "darwin":
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home := homeDirUnsafe()
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if home != "" {
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return filepath.Join(home, "Library", "Application Support", "Caddy")
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}
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case "plan9":
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home := homeDirUnsafe()
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if home != "" {
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return filepath.Join(home, "lib", "caddy")
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}
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case "android":
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home := homeDirUnsafe()
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if home != "" {
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return filepath.Join(home, "caddy")
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}
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default:
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home := homeDirUnsafe()
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if home != "" {
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return filepath.Join(home, ".local", "share", "caddy")
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}
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}
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return "./caddy"
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}
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// ConfigAutosavePath is the default path to which the last config will be persisted.
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var ConfigAutosavePath = filepath.Join(AppConfigDir(), "autosave.json")
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