75105b8b46
- OpenAPI: add missing endpoints (add-from-url, subscriptions, public availability) - OpenAPI: CalendarSubscription schema, Subscriptions tag - Frontend app - Migrations: count_for_availability, subscriptions_sync, user_preferences, calendar_settings - Config, rate limit, auth, calendar, booking, ICS, availability, user service updates Made-with: Cursor
116 lines
2.4 KiB
Go
116 lines
2.4 KiB
Go
package config
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import (
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"bufio"
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"log"
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"os"
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"strconv"
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"strings"
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)
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type Config struct {
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DatabaseURL string
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JWTSecret string
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RedisAddr string
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ServerPort string
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Env string
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BaseURL string
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CORSOrigins []string
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RateLimitRPS float64
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RateLimitBurst int
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}
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func Load() *Config {
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loadEnvFile(".env")
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port := getEnv("SERVER_PORT", "8080")
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jwtSecret := getEnv("JWT_SECRET", "dev-secret-change-me")
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env := getEnv("ENV", "development")
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if env == "production" && (jwtSecret == "" || jwtSecret == "dev-secret-change-me") {
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log.Fatal("JWT_SECRET must be set to a secure value in production")
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}
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corsOrigins := parseCORSOrigins(getEnv("CORS_ORIGINS", "http://localhost:5173,http://127.0.0.1:5173"))
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rateRPS := parseFloat(getEnv("RATE_LIMIT_RPS", "100"), 100)
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rateBurst := parseInt(getEnv("RATE_LIMIT_BURST", "200"), 200)
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return &Config{
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DatabaseURL: getEnv("DATABASE_URL", "postgres://postgres:postgres@localhost:5432/calendarapi?sslmode=disable"),
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JWTSecret: jwtSecret,
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RedisAddr: os.Getenv("REDIS_ADDR"),
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ServerPort: port,
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Env: env,
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BaseURL: getEnv("BASE_URL", "http://localhost:"+port),
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CORSOrigins: corsOrigins,
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RateLimitRPS: rateRPS,
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RateLimitBurst: rateBurst,
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}
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}
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func parseCORSOrigins(s string) []string {
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if s == "" {
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return []string{}
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}
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parts := strings.Split(s, ",")
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out := make([]string, 0, len(parts))
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for _, p := range parts {
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p = strings.TrimSpace(p)
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if p != "" {
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out = append(out, p)
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}
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}
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if len(out) == 0 {
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return []string{"http://localhost:5173", "http://127.0.0.1:5173"}
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}
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return out
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}
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func parseFloat(s string, def float64) float64 {
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v, err := strconv.ParseFloat(s, 64)
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if err != nil {
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return def
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}
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return v
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}
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func parseInt(s string, def int) int {
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v, err := strconv.Atoi(s)
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if err != nil {
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return def
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}
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return v
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}
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func loadEnvFile(path string) {
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f, err := os.Open(path)
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if err != nil {
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return
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}
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defer f.Close()
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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k, v, ok := strings.Cut(line, "=")
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if !ok {
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continue
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}
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k = strings.TrimSpace(k)
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v = strings.TrimSpace(v)
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if os.Getenv(k) == "" {
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os.Setenv(k, v)
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}
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}
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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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