chore: import upstream snapshot with attribution

internal/controller/plugin_captcha_controller.go

@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package controller
+
+import (
+	"encoding/json"
+
+	"github.com/apache/answer/internal/base/handler"
+	"github.com/apache/answer/plugin"
+	"github.com/gin-gonic/gin"
+)
+
+// CaptchaController comment controller
+type CaptchaController struct {
+}
+
+// NewCaptchaController new controller
+func NewCaptchaController() *CaptchaController {
+	return &CaptchaController{}
+}
+
+type GetCaptchaConfigResp struct {
+	SlugName string         `json:"slug_name"`
+	Config   map[string]any `json:"config"`
+}
+
+// GetCaptchaConfig get captcha config
+func (uc *CaptchaController) GetCaptchaConfig(ctx *gin.Context) {
+	resp := &GetCaptchaConfigResp{}
+	_ = plugin.CallCaptcha(func(fn plugin.Captcha) error {
+		resp.SlugName = fn.Info().SlugName
+		_ = json.Unmarshal([]byte(fn.GetConfig()), &resp.Config)
+		return nil
+	})
+	handler.HandleResponse(ctx, nil, resp)
+}