1package config
 2
 3import (
 4	"crypto/tls"
 5	"log"
 6	"path/filepath"
 7
 8	"github.com/caarlos0/env/v6"
 9)
10
11// Callbacks provides an interface that can be used to run callbacks on different events.
12type Callbacks interface {
13	Tui(action string)
14	Push(repo string)
15	Fetch(repo string)
16}
17
18// Config is the configuration for Soft Serve.
19type Config struct {
20	BindAddr         string   `env:"SOFT_SERVE_BIND_ADDRESS" envDefault:""`
21	SSHPort          int      `env:"SOFT_SERVE_SSH_PORT" envDefault:"23231"`
22	HTTPPort         int      `env:"SOFT_SERVE_HTTP_PORT" envDefault:"23232"`
23	KeyPath          string   `env:"SOFT_SERVE_KEY_PATH"`
24	RepoPath         string   `env:"SOFT_SERVE_REPO_PATH" envDefault:".repos"`
25	InitialAdminKeys []string `env:"SOFT_SERVE_INITIAL_ADMIN_KEY" envSeparator:"\n"`
26	Callbacks        Callbacks
27	ErrorLog         *log.Logger
28	TLSConfig        *tls.Config
29}
30
31// DefaultConfig returns a Config with the values populated with the defaults
32// or specified environment variables.
33func DefaultConfig() *Config {
34	cfg := &Config{ErrorLog: log.Default()}
35	if err := env.Parse(cfg); err != nil {
36		log.Fatalln(err)
37	}
38	if cfg.KeyPath == "" {
39		// NB: cross-platform-compatible path
40		cfg.KeyPath = filepath.Join(".ssh", "soft_serve_server_ed25519")
41	}
42	return cfg.WithCallbacks(nil)
43}
44
45// WithCallbacks applies the given Callbacks to the configuration.
46func (c *Config) WithCallbacks(callbacks Callbacks) *Config {
47	c.Callbacks = callbacks
48	return c
49}
50
51// WithErrorLogger sets the error logger for the configuration.
52func (c *Config) WithErrorLogger(logger *log.Logger) *Config {
53	c.ErrorLog = logger
54	return c
55}
56
57func (c *Config) WithTLSConfig(t *tls.Config) *Config {
58	c.TLSConfig = t
59	return c
60}