101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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"github.com/BurntSushi/toml"
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)
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type rawConfig struct {
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Config
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EnvFile string `toml:"env_file"`
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}
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type Config struct {
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CacheRoot string `toml:"cache_root"`
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MirrorURLs []string `toml:"mirror_urls"`
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MirroredRepos []string `toml:"mirrored_repos"`
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Port string `toml:"port"`
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Token string
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}
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/* Function kept for reference for future logic
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func NewConfig() *Config {
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return &Config{
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CacheRoot: "/home/ewpt3ch/dev/pacman-cache-server/tmprepo",
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MirrorURLs: "https://us.mirrors.cicku.me/archlinux/",
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Port: "8090",
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Auth: AuthConfig{Token: "FakeToken"},
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}
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}
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*/
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func ReadConfig(path string) (*Config, error) {
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var rawcfg rawConfig
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_, err := toml.DecodeFile(path, &rawcfg)
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if err != nil {
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return nil, fmt.Errorf("error loading config from %s: %w", path, err)
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}
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cfg := rawcfg.Config
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err = cfg.loadToken(rawcfg.EnvFile)
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if err != nil {
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return nil, fmt.Errorf("error getting token: %v", err)
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}
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if err = cfg.validate(); err != nil {
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return nil, fmt.Errorf("invalid config: %w", err)
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}
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return &cfg, nil
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}
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func (c *Config) loadToken(path string) error {
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info, err := os.Stat(path)
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if err != nil {
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return fmt.Errorf("failed to stat env file: %v", err)
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}
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if info.Mode().Perm() != 0600 {
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return fmt.Errorf("env file perms not secure, expected 0600 got %o", info.Mode().Perm())
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}
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data, err := os.ReadFile(path)
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if err != nil {
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return fmt.Errorf("failed to read env file: %v", err)
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}
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key, val, ok := strings.Cut(strings.TrimSpace(string(data)), "=")
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if !ok || key != "PKGSTASH_TOKEN" {
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return fmt.Errorf("invalid env file format")
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}
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c.Token = val
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return nil
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}
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func (c *Config) validate() error {
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if c.CacheRoot == "" {
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return fmt.Errorf("cache root is required")
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}
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if len(c.MirrorURLs) == 0 {
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return fmt.Errorf("at least one mirror is required")
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}
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if len(c.MirroredRepos) == 0 {
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return fmt.Errorf("at least one repo is required")
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}
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if c.Port == "" {
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return fmt.Errorf("port required")
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}
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if c.Token == "" || c.Token == "changeme" {
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return fmt.Errorf("auth token is required")
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}
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return nil
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}
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