From 967f6fdf5c1693d3aa27079b3ae28768fb7356c6 Mon Sep 17 00:00:00 2001
From: Alan Pearce
Date: Thu, 9 May 2024 16:24:45 +0200
Subject: feat: make configuration optional

---
 internal/config/config.go | 41 +++++++++++++++++++++++++++--------------
 1 file changed, 27 insertions(+), 14 deletions(-)

(limited to 'internal/config/config.go')

diff --git a/internal/config/config.go b/internal/config/config.go
index c721424..5b06efa 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -4,6 +4,7 @@ import (
 	"log/slog"
 	"net/url"
 	"os"
+	"searchix/internal/file"
 
 	"github.com/pelletier/go-toml/v2"
 	"github.com/pkg/errors"
@@ -24,28 +25,40 @@ func (u *URL) UnmarshalText(text []byte) (err error) {
 }
 
 type Config struct {
-	BaseURL  URL    `toml:"base_url"`
 	DataPath string `toml:"data_path"`
-	CSP      *CSP   `toml:"content-security-policy"`
+	CSP      CSP    `toml:"content-security-policy"`
 	Headers  map[string]string
 }
 
+var defaultConfig = Config{
+	DataPath: "./data",
+	CSP: CSP{
+		DefaultSrc: []string{"'self'"},
+	},
+	Headers: map[string]string{
+		"x-content-type-options": "nosniff",
+	},
+}
+
 func GetConfig() (*Config, error) {
-	config := Config{}
+	config := defaultConfig
 	slog.Debug("reading config.toml")
-	file, err := os.Open("config.toml")
-	if err != nil {
-		return nil, errors.WithMessage(err, "error reading configuration")
+	f, err := os.Open("config.toml")
+	if err := file.NeedNotExist(err); err != nil {
+		return nil, errors.Wrap(err, "reading config.toml failed")
 	}
-	dec := toml.NewDecoder(file)
-	err = dec.Decode(&config)
-	if err != nil {
-		var tomlError toml.DecodeError
-		if errors.As(err, &tomlError) {
-			return nil, errors.WithMessage(err, tomlError.Error())
-		}
+	if f != nil {
+		defer f.Close()
+		dec := toml.NewDecoder(f)
+		err = dec.Decode(&config)
+		if err != nil {
+			var tomlError toml.DecodeError
+			if errors.As(err, &tomlError) {
+				return nil, errors.WithMessage(err, tomlError.Error())
+			}
 
-		return nil, errors.Wrap(err, "config error")
+			return nil, errors.Wrap(err, "config error")
+		}
 	}
 
 	return &config, nil
-- 
cgit 1.4.1