Files
infinite-canvas/config/config.go
T
2026-05-27 22:11:36 +08:00

80 lines
2.3 KiB
Go

package config
import (
"crypto/rand"
"encoding/base64"
"os"
"path/filepath"
"strings"
"github.com/caarlos0/env/v11"
"github.com/joho/godotenv"
)
type Config struct {
Port string `env:"PORT" envDefault:"8080"`
AdminUsername string `env:"ADMIN_USERNAME" envDefault:"admin"`
AdminPassword string `env:"ADMIN_PASSWORD" envDefault:"infinite-canvas"`
JWTSecret string `env:"JWT_SECRET" envDefault:"infinite-canvas"`
JWTExpireHours int `env:"JWT_EXPIRE_HOURS" envDefault:"168"`
StorageDriver string `env:"STORAGE_DRIVER" envDefault:"sqlite"`
DatabaseDSN string `env:"DATABASE_DSN" envDefault:"data/infinite-canvas.db"`
PublicBaseURL string `env:"PUBLIC_BASE_URL"`
LinuxDoAuthorizeURL string `env:"LINUX_DO_AUTHORIZE_URL" envDefault:"https://connect.linux.do/oauth2/authorize"`
LinuxDoTokenURL string `env:"LINUX_DO_TOKEN_URL" envDefault:"https://connect.linux.do/oauth2/token"`
LinuxDoUserInfoURL string `env:"LINUX_DO_USERINFO_URL" envDefault:"https://connect.linux.do/api/user"`
}
var Cfg Config
func Load() error {
_ = godotenv.Load()
if err := env.Parse(&Cfg); err != nil {
return err
}
normalizeDockerSQLiteDSN("/app/data")
if strings.TrimSpace(Cfg.JWTSecret) == "" || Cfg.JWTSecret == "infinite-canvas" {
secret, err := randomSecret()
if err != nil {
return err
}
Cfg.JWTSecret = secret
}
return nil
}
func normalizeDockerSQLiteDSN(appDataDir string) {
driver := strings.ToLower(strings.TrimSpace(Cfg.StorageDriver))
if driver != "" && driver != "sqlite" {
return
}
dsn := strings.TrimSpace(Cfg.DatabaseDSN)
if dsn == "" || dsn == ":memory:" || strings.HasPrefix(dsn, "file:") {
return
}
pathPart, suffix := dsn, ""
if index := strings.Index(dsn, "?"); index >= 0 {
pathPart = dsn[:index]
suffix = dsn[index:]
}
if filepath.IsAbs(pathPart) {
return
}
slashPath := filepath.ToSlash(pathPart)
if slashPath != "data" && !strings.HasPrefix(slashPath, "data/") {
return
}
if _, err := os.Stat(appDataDir); err != nil {
return
}
Cfg.DatabaseDSN = filepath.Join(filepath.Dir(appDataDir), filepath.FromSlash(slashPath)) + suffix
}
func randomSecret() (string, error) {
buf := make([]byte, 32)
if _, err := rand.Read(buf); err != nil {
return "", err
}
return base64.RawURLEncoding.EncodeToString(buf), nil
}