snapshot of https://github.com/ory/keto.git (master, 2026-09-16; blobs > 131072B omitted)

oryx/configx/koanf_confmap.go

@@ -0,0 +1,69 @@
+// Copyright © 2023 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package configx
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+
+	"github.com/knadh/koanf/maps"
+	"github.com/tidwall/gjson"
+)
+
+// KoanfConfmap implements a raw map[string]interface{} provider.
+type KoanfConfmap struct {
+	tuples []tuple
+}
+
+// Provider returns a confmap Provider that takes a flat or nested
+// map[string]interface{}. If a delim is provided, it indicates that the
+// keys are flat and the map needs to be unflatted by delim.
+func NewKoanfConfmap(tuples []tuple) *KoanfConfmap {
+	return &KoanfConfmap{tuples: jsonify(tuples)}
+}
+
+func jsonify(tuples []tuple) []tuple {
+	for k, t := range tuples {
+		var parsed interface{}
+		switch vt := t.Value.(type) {
+		case string:
+			if gjson.Valid(vt) && json.NewDecoder(bytes.NewBufferString(vt)).Decode(&parsed) == nil {
+				tuples[k].Value = parsed
+			}
+			continue
+		case []byte:
+			if gjson.ValidBytes(vt) && json.NewDecoder(bytes.NewBuffer(vt)).Decode(&parsed) == nil {
+				tuples[k].Value = parsed
+			}
+			continue
+		case json.RawMessage:
+			if gjson.ValidBytes(vt) && json.NewDecoder(bytes.NewBuffer(vt)).Decode(&parsed) == nil {
+				tuples[k].Value = parsed
+			}
+			continue
+		}
+	}
+	return tuples
+}
+
+// ReadBytes is not supported by the env provider.
+func (e *KoanfConfmap) ReadBytes() ([]byte, error) {
+	return nil, errors.New("confmap provider does not support this method")
+}
+
+// Read returns the loaded map[string]interface{}.
+func (e *KoanfConfmap) Read() (map[string]interface{}, error) {
+	values := map[string]interface{}{}
+	for _, t := range e.tuples {
+		values[t.Key] = t.Value
+	}
+
+	// Ensure any nested values are properly converted as well
+	cp := maps.Copy(values)
+	maps.IntfaceKeysToStrings(cp)
+	cp = maps.Unflatten(cp, Delimiter)
+
+	return cp, nil
+}