refactor layout and structure

proxy/internal/auth/context.go

@@ -0,0 +1,38 @@
+package auth
+
+import (
+	"context"
+)
+
+type requestContextKey string
+
+const (
+	authMethodKey requestContextKey = "authMethod"
+	authUserKey   requestContextKey = "authUser"
+)
+
+func withAuthMethod(ctx context.Context, method Method) context.Context {
+	return context.WithValue(ctx, authMethodKey, method)
+}
+
+func MethodFromContext(ctx context.Context) Method {
+	v := ctx.Value(authMethodKey)
+	method, ok := v.(Method)
+	if !ok {
+		return ""
+	}
+	return method
+}
+
+func withAuthUser(ctx context.Context, userId string) context.Context {
+	return context.WithValue(ctx, authUserKey, userId)
+}
+
+func UserFromContext(ctx context.Context) string {
+	v := ctx.Value(authUserKey)
+	userId, ok := v.(string)
+	if !ok {
+		return ""
+	}
+	return userId
+}