llm browser

backend/internal/config/config.go

@@ -17,6 +17,8 @@ import (
 	"os"
 	"strings"
 	"time"
+
+	"git.k6n.net/mats/fullstack-template/internal/browse"
 )
 
 // Config is the validated runtime configuration.
@@ -34,6 +36,10 @@ type Config struct {
 	LogFormat string // "json" or "text"
 	// DebugQueries enables Bun query logging (bundebug).
 	DebugQueries bool
+	// FetchUserAgent identifies this server to the sites it inspects.
+	FetchUserAgent string
+	// FetchTimeout bounds each outbound fetch, redirects included.
+	FetchTimeout time.Duration
 
 	// OIDCIssuer is the OpenID Connect issuer; endpoints are discovered,
 	// never hardcoded. Auth is enabled when OIDCClientID is non-empty.
@@ -60,6 +66,7 @@ func Load() (Config, error) {
 		AllowedOrigins: splitCSV(env("CORS_ALLOWED_ORIGINS", "http://localhost:5173,http://127.0.0.1:5173")),
 		LogFormat:      strings.ToLower(env("LOG_FORMAT", "json")),
 		DebugQueries:   env("DB_DEBUG", "false") == "true",
+		FetchUserAgent: env("FETCH_USER_AGENT", browse.DefaultUserAgent),
 
 		OIDCIssuer:        strings.TrimRight(env("OIDC_ISSUER", "https://users.k6n.net"), "/"),
 		OIDCClientID:      env("OIDC_CLIENT_ID", ""),
@@ -72,6 +79,8 @@ func Load() (Config, error) {
 		cfg.AuthSessionTTL = sessionTTL
 	}
 
+	fetchTimeout, fetchTimeoutErr := time.ParseDuration(env("FETCH_TIMEOUT", "15s"))
+
 	var errs []error
 
 	level := strings.ToLower(env("LOG_LEVEL", "info"))
@@ -103,6 +112,13 @@ func Load() (Config, error) {
 	} else if cfg.AuthSessionTTL <= 0 {
 		errs = append(errs, errors.New("AUTH_SESSION_TTL must be positive"))
 	}
+	if fetchTimeoutErr != nil {
+		errs = append(errs, fmt.Errorf("invalid FETCH_TIMEOUT: %v", fetchTimeoutErr))
+	} else if fetchTimeout <= 0 {
+		errs = append(errs, errors.New("FETCH_TIMEOUT must be positive"))
+	} else {
+		cfg.FetchTimeout = fetchTimeout
+	}
 	if _, err := url.Parse(cfg.OIDCIssuer); err != nil || !strings.HasPrefix(cfg.OIDCIssuer, "https://") && !strings.HasPrefix(cfg.OIDCIssuer, "http://") {
 		errs = append(errs, fmt.Errorf("invalid OIDC_ISSUER %q (want an http(s) URL)", cfg.OIDCIssuer))
 	}