1 files changed, 74 insertions, 0 deletions
diff --git a/internal/config/util.go b/internal/config/util.go
new file mode 100644
index 000000000..47e808f16
--- /dev/null
+++ b/internal/config/util.go
@@ -0,0 +1,74 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package config
+
+import (
+	"fmt"
+
+	"codeberg.org/gruf/go-split"
+	"github.com/spf13/cast"
+)
+
+func toStringSlice(a any) ([]string, error) {
+	switch a := a.(type) {
+	case []string:
+		return a, nil
+	case string:
+		return split.SplitStrings[string](a)
+	case []any:
+		ss := make([]string, len(a))
+		for i, a := range a {
+			var err error
+			ss[i], err = cast.ToStringE(a)
+			if err != nil {
+				return nil, err
+			}
+		}
+		return ss, nil
+	default:
+		return nil, fmt.Errorf("cannot cast %T to []string", a)
+	}
+}
+
+func mapGet(m map[string]any, keys ...string) (any, bool) {
+	for len(keys) > 0 {
+		key := keys[0]
+		keys = keys[1:]
+
+		// Check for key.
+		v, ok := m[key]
+		if !ok {
+			return nil, false
+		}
+
+		if len(keys) == 0 {
+			// Has to be value.
+			return v, true
+		}
+
+		// Else, it needs to have
+		// nesting to keep searching.
+		switch t := v.(type) {
+		case map[string]any:
+			m = t
+		default:
+			return nil, false
+		}
+	}
+	return nil, false
+}