kaidan/config.go
2026-10-15 21:41:16 -03:00

53 lines
1.1 KiB
Go

package main
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/BurntSushi/toml"
)
type Config struct {
Listen string `toml:"listen"`
Root string `toml:"root"`
Hidden bool `toml:"hidden"`
Footer string `toml:"footer"`
FollowSymlinks bool `toml:"follow_symlinks"`
}
func loadConfig(path string) (*Config, error) {
b, err := os.ReadFile(path)
if err != nil {
return nil, err
}
cfg := &Config{}
md, err := toml.Decode(string(b), cfg)
if err != nil {
return nil, fmt.Errorf("%s: %w", path, err)
}
// follow_symlinks defaults to true: symlinks are served as a window onto
// their target, even outside root.
if !md.IsDefined("follow_symlinks") {
cfg.FollowSymlinks = true
}
if cfg.Root == "" {
return nil, errors.New(`config: "root" is required`)
}
root, err := filepath.Abs(cfg.Root)
if err != nil {
return nil, err
}
if info, err := os.Stat(root); err != nil || !info.IsDir() {
return nil, fmt.Errorf("config: root %q is not a directory", root)
}
cfg.Root = root
if cfg.Listen == "" {
cfg.Listen = ":8080"
}
if cfg.Footer == "" {
cfg.Footer = "kaidan 1.0"
}
return cfg, nil
}