Code re-organization

config/generator.go

@@ -0,0 +1,43 @@
+package config
+
+import (
+	"fmt"
+	"github.com/bigkevmcd/go-configparser"
+)
+
+type generatorConfig struct {
+	Salt          []byte
+	Key           []byte
+	Host          string
+	EncryptionKey string
+	PlainUrl      bool
+}
+
+func getGeneratorConfig(p *configparser.ConfigParser) (*generatorConfig, error) {
+	var config string
+	var err error
+
+	gc := &generatorConfig{}
+	if !p.HasSection("img-proxy") {
+		return nil, fmt.Errorf("config error - [img-proxy] config required")
+	}
+
+	config, _ = p.Get("img-proxy", "key")
+	gc.Key = []byte(config)
+
+	config, _ = p.Get("img-proxy", "salt")
+	gc.Salt = []byte(config)
+
+	if config, err = p.Get("img-proxy", "host"); err != nil {
+		return nil, err
+	}
+	gc.Host = config
+
+	config, _ = p.Get("img-proxy", "plain-url")
+	gc.PlainUrl = config == "true" || config == "1"
+
+	config, _ = p.Get("img-proxy", "encryption-key")
+	gc.EncryptionKey = config
+
+	return gc, nil
+}