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fileserver: New --precompressed flag (#5880)

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exposes the file_server precompressed functionality to be used with the
file-server command

Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
This commit is contained in:
David DeMoss 2023-12-13 21:26:20 -06:00 committed by GitHub
parent 3d7d60f7cf
commit 362f33daae
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 33 additions and 2 deletions
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35
modules/caddyhttp/fileserver/command.go
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@ -16,6 +16,7 @@ package fileserver
import (
"encoding/json"
"fmt"
"io"
"log"
"os"
@ -31,13 +32,14 @@ import (
"github.com/caddyserver/caddy/v2"
"github.com/caddyserver/caddy/v2/caddyconfig"
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
"github.com/caddyserver/caddy/v2/modules/caddyhttp/encode"
caddytpl "github.com/caddyserver/caddy/v2/modules/caddyhttp/templates"
)
func init() {
caddycmd.RegisterCommand(caddycmd.Command{
Name: "file-server",
Usage: "[--domain <example.com>] [--root <path>] [--listen <addr>] [--browse] [--access-log]",
Usage: "[--domain <example.com>] [--root <path>] [--listen <addr>] [--browse] [--access-log] [--precompressed]",
Short: "Spins up a production-ready file server",
Long: `
A simple but production-ready file server. Useful for quick deployments,
@ -60,6 +62,7 @@ respond with a file listing.`,
cmd.Flags().BoolP("templates", "t", false, "Enable template rendering")
cmd.Flags().BoolP("access-log", "a", false, "Enable the access log")
cmd.Flags().BoolP("debug", "v", false, "Enable verbose debug logs")
cmd.Flags().StringSliceP("precompressed", "p", []string{}, "Specify precompression file extensions. Compression preference implied from flag order.")
cmd.RunE = caddycmd.WrapCommandFuncForCobra(cmdFileServer)
cmd.AddCommand(&cobra.Command{
Use: "export-template",
@ -84,6 +87,10 @@ func cmdFileServer(fs caddycmd.Flags) (int, error) {
templates := fs.Bool("templates")
accessLog := fs.Bool("access-log")
debug := fs.Bool("debug")
precompressed, err := fs.GetStringSlice("precompressed")
if err != nil {
return caddy.ExitCodeFailedStartup, fmt.Errorf("invalid precompressed flag: %v", err)
}
var handlers []json.RawMessage
@ -93,6 +100,30 @@ func cmdFileServer(fs caddycmd.Flags) (int, error) {
}
handler := FileServer{Root: root}
if len(precompressed) != 0 {
// logic mirrors modules/caddyhttp/fileserver/caddyfile.go case "precompressed"
var order []string
for _, compression := range precompressed {
modID := "http.precompressed." + compression
mod, err := caddy.GetModule(modID)
if err != nil {
return caddy.ExitCodeFailedStartup, fmt.Errorf("getting module named '%s': %v", modID, err)
}
inst := mod.New()
precompress, ok := inst.(encode.Precompressed)
if !ok {
return caddy.ExitCodeFailedStartup, fmt.Errorf("module %s is not a precompressor; is %T", modID, inst)
}
if handler.PrecompressedRaw == nil {
handler.PrecompressedRaw = make(caddy.ModuleMap)
}
handler.PrecompressedRaw[compression] = caddyconfig.JSON(precompress, nil)
order = append(order, compression)
}
handler.PrecompressedOrder = order
}
if browse {
handler.Browse = new(Browse)
}
@ -154,7 +185,7 @@ func cmdFileServer(fs caddycmd.Flags) (int, error) {
}
}
err := caddy.Run(cfg)
err = caddy.Run(cfg)
if err != nil {
return caddy.ExitCodeFailedStartup, err
}