settings: introduce settings YAML file to complement cmd arguments

lib/policy/options.go

@@ -1,22 +0,0 @@
-package policy
-
-import (
-	"git.gammaspectra.live/git/go-away/utils"
-	"net/http"
-)
-
-type Settings struct {
-	Cache                  utils.Cache
-	Backends               map[string]http.Handler
-	PrivateKeySeed         []byte
-	Debug                  bool
-	MainName               string
-	MainVersion            string
-	PackageName            string
-	ChallengeTemplate      string
-	ChallengeTemplateTheme string
-	ClientIpHeader         string
-	BackendIpHeader        string
-
-	ChallengeResponseCode int
-}

lib/policy/state.go

@@ -0,0 +1,19 @@
+package policy
+
+import (
+	"git.gammaspectra.live/git/go-away/utils"
+	"net/http"
+)
+
+type StateSettings struct {
+	Cache           utils.Cache
+	Backends        map[string]http.Handler
+	PrivateKeySeed  []byte
+	MainName        string
+	MainVersion     string
+	PackageName     string
+	ClientIpHeader  string
+	BackendIpHeader string
+
+	ChallengeResponseCode int
+}