go-loose/internal/config/config.go
2026-10-01 23:15:57 +02:00

102 lines
3.6 KiB
Go

package config
import (
"errors"
"net/url"
"os"
"strconv"
"strings"
"time"
)
type Config struct {
Addr string
BaseURL string
AuthDomain string
DatabaseURL string
SessionSecret string
DevLogin bool
DevUser string
LocalLogin bool
LocalAdminEmail string
LocalAdminPassword string
OIDCIssuer string
OIDCClientID string
OIDCClientSecret string
OIDCRedirectURL string
AllowedEmailDomains []string
AllowPrivateContractURL bool
BootstrapTenant string
BootstrapApp string
HTTPTimeout time.Duration
}
func Load() (Config, error) {
cfg := Config{
Addr: env("GO_LOOSE_ADDR", ":8080"),
BaseURL: strings.TrimRight(env("GO_LOOSE_BASE_URL", "http://localhost:8080"), "/"),
AuthDomain: strings.TrimPrefix(strings.ToLower(env("GO_LOOSE_AUTH_DOMAIN", "auth.local")), "."),
DatabaseURL: env("GO_LOOSE_DATABASE_URL", "postgres://goloose:goloose@localhost:5432/goloose?sslmode=disable"),
SessionSecret: os.Getenv("GO_LOOSE_SESSION_SECRET"),
DevLogin: envBool("GO_LOOSE_DEV_LOGIN", false),
DevUser: env("GO_LOOSE_DEV_USER", "admin@local.test"),
LocalLogin: envBool("GO_LOOSE_LOCAL_LOGIN", false),
LocalAdminEmail: strings.ToLower(env("GO_LOOSE_LOCAL_ADMIN_EMAIL", "admin@goloose.local")),
LocalAdminPassword: os.Getenv("GO_LOOSE_LOCAL_ADMIN_PASSWORD"),
OIDCIssuer: strings.TrimRight(os.Getenv("GO_LOOSE_OIDC_ISSUER"), "/"),
OIDCClientID: os.Getenv("GO_LOOSE_OIDC_CLIENT_ID"),
OIDCClientSecret: os.Getenv("GO_LOOSE_OIDC_CLIENT_SECRET"),
OIDCRedirectURL: env("GO_LOOSE_OIDC_REDIRECT_URL", "http://localhost:8080/auth/callback"),
AllowedEmailDomains: csv(os.Getenv("GO_LOOSE_ALLOWED_EMAIL_DOMAINS")),
AllowPrivateContractURL: envBool("GO_LOOSE_ALLOW_PRIVATE_CONTRACT_URLS", false),
BootstrapTenant: env("GO_LOOSE_BOOTSTRAP_TENANT", "default"),
BootstrapApp: env("GO_LOOSE_BOOTSTRAP_APP", "default"),
HTTPTimeout: 10 * time.Second,
}
if len(cfg.SessionSecret) < 32 {
return Config{}, errors.New("GO_LOOSE_SESSION_SECRET must contain at least 32 characters")
}
if cfg.AuthDomain == "" || strings.ContainsAny(cfg.AuthDomain, "/:") {
return Config{}, errors.New("GO_LOOSE_AUTH_DOMAIN must be a hostname such as auth.local")
}
oidcConfigured := cfg.OIDCIssuer != "" && cfg.OIDCClientID != "" && cfg.OIDCClientSecret != ""
if cfg.LocalAdminPassword != "" && len(cfg.LocalAdminPassword) < 12 {
return Config{}, errors.New("GO_LOOSE_LOCAL_ADMIN_PASSWORD must contain at least 12 characters")
}
if oidcConfigured {
baseURL, err := url.Parse(cfg.BaseURL)
if err != nil || (baseURL.Hostname() != cfg.AuthDomain && !strings.HasSuffix(baseURL.Hostname(), "."+cfg.AuthDomain)) {
return Config{}, errors.New("GO_LOOSE_BASE_URL must be inside GO_LOOSE_AUTH_DOMAIN for shared OIDC login")
}
}
return cfg, nil
}
func env(name, fallback string) string {
if value := os.Getenv(name); value != "" {
return value
}
return fallback
}
func envBool(name string, fallback bool) bool {
value := os.Getenv(name)
if value == "" {
return fallback
}
parsed, err := strconv.ParseBool(value)
if err != nil {
return fallback
}
return parsed
}
func csv(value string) []string {
var result []string
for _, item := range strings.Split(value, ",") {
if item = strings.TrimSpace(strings.ToLower(item)); item != "" {
result = append(result, item)
}
}
return result
}