150 lines
3.9 KiB
Go
150 lines
3.9 KiB
Go
package config
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import (
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"fmt"
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"os"
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"strconv"
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"time"
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"github.com/joho/godotenv"
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)
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// Config holds all configuration for the application.
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type Config struct {
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// Server
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Env string // "development" | "production"
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Port int
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// MongoDB (content database)
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MongoURI string
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MongoDB string
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// PostgreSQL (users, relations, URL shortener)
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PostgresURI string
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// Typesense
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TypesenseURL string
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TypesenseAPIKey string
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// DragonflyDB / Redis
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RedisURI string
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// Cloudflare R2 (S3-compatible) — for avatar uploads via presigned URLs.
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R2AccountID string
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R2AccessKeyID string
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R2SecretAccessKey string
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R2Bucket string
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R2PublicURL string // Public base URL for objects, e.g. https://cdn.example.com or the R2 public bucket URL
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// SMTP — used for password-reset and email-verification mails.
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SMTPHost string
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SMTPPort int
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SMTPUsername string
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SMTPPassword string
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SMTPFrom string // "Prabhupāda Says <noreply@prabhupadasays.org>"
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// Push Notifications (existing — unchanged).
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FCMCredentialsFile string
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APNsKeyFile string
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APNsKeyID string
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APNsTeamID string
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APNsBundleID string
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// JWT Auth
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JWTSecret string
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JWTExpiration time.Duration // parsed at load time
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CookieDomain string // empty in dev; ".prabhupadasays.org" in prod
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CookieSecure bool // true in production
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// Frontend
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FrontendURL string // for CORS + reset/verify links in emails
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}
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// Load reads configuration from environment variables (with .env fallback).
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func Load() (*Config, error) {
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_ = godotenv.Load()
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jwtExp, err := time.ParseDuration(getEnv("JWT_EXPIRATION", "168h"))
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if err != nil {
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return nil, fmt.Errorf("invalid JWT_EXPIRATION: %w", err)
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}
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cfg := &Config{
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Env: getEnv("APP_ENV", "development"),
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Port: getEnvInt("PORT", 8080),
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MongoURI: getEnv("MONGO_URI", ""),
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MongoDB: getEnv("MONGO_DB", "spsays"),
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PostgresURI: getEnv("POSTGRES_URI", ""),
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TypesenseURL: getEnv("TYPESENSE_URL", "https://search.prabhupadasays.org"),
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TypesenseAPIKey: getEnv("TYPESENSE_API_KEY", ""),
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RedisURI: getEnv("REDIS_URI", "redis://localhost:6379"),
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R2AccountID: getEnv("R2_ACCOUNT_ID", ""),
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R2AccessKeyID: getEnv("R2_ACCESS_KEY_ID", ""),
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R2SecretAccessKey: getEnv("R2_SECRET_ACCESS_KEY", ""),
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R2Bucket: getEnv("R2_BUCKET", ""),
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R2PublicURL: getEnv("R2_PUBLIC_URL", ""),
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SMTPHost: getEnv("SMTP_HOST", ""),
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SMTPPort: getEnvInt("SMTP_PORT", 587),
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SMTPUsername: getEnv("SMTP_USERNAME", ""),
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SMTPPassword: getEnv("SMTP_PASSWORD", ""),
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SMTPFrom: getEnv("SMTP_FROM", "noreply@localhost"),
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FCMCredentialsFile: getEnv("FCM_CREDENTIALS_FILE", ""),
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APNsKeyFile: getEnv("APNS_KEY_FILE", ""),
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APNsKeyID: getEnv("APNS_KEY_ID", ""),
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APNsTeamID: getEnv("APNS_TEAM_ID", ""),
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APNsBundleID: getEnv("APNS_BUNDLE_ID", ""),
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JWTSecret: getEnv("JWT_SECRET", ""),
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JWTExpiration: jwtExp,
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CookieDomain: getEnv("COOKIE_DOMAIN", ""),
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CookieSecure: getEnvBool("COOKIE_SECURE", false),
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FrontendURL: getEnv("FRONTEND_URL", "http://localhost:3000"),
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}
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if cfg.MongoURI == "" {
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return nil, fmt.Errorf("MONGO_URI is required")
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}
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if cfg.Env == "production" && cfg.JWTSecret == "" {
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return nil, fmt.Errorf("JWT_SECRET is required in production")
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}
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if cfg.JWTSecret == "" {
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// Dev fallback so the server can boot without secrets configured.
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cfg.JWTSecret = "dev-only-jwt-secret-do-not-use-in-production"
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}
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return cfg, nil
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}
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func getEnv(key, fallback string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return fallback
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}
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func getEnvInt(key string, fallback int) int {
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if v := os.Getenv(key); v != "" {
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if i, err := strconv.Atoi(v); err == nil {
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return i
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}
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}
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return fallback
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}
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func getEnvBool(key string, fallback bool) bool {
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if v := os.Getenv(key); v != "" {
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if b, err := strconv.ParseBool(v); err == nil {
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return b
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}
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}
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return fallback
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}
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