add: add mcp server amap tools (#1951)

plugins/wasm-go/mcp-servers/amap-tools/tools/maps_ip_location.go

@@ -0,0 +1,76 @@
+package tools
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+
+	"amap-tools/server"
+
+	"github.com/alibaba/higress/plugins/wasm-go/pkg/log"
+	"github.com/alibaba/higress/plugins/wasm-go/pkg/wrapper"
+)
+
+type IPLocationRequest struct {
+	IP string `json:"ip" jsonschema_description:"IP地址"`
+}
+
+func (t IPLocationRequest) Description() string {
+	return "IP 定位根据用户输入的 IP 地址，定位 IP 的所在位置"
+}
+
+func (t IPLocationRequest) InputSchema() map[string]any {
+	return wrapper.ToInputSchema(&IPLocationRequest{})
+}
+
+func (t IPLocationRequest) Create(params []byte) wrapper.MCPTool[server.AmapMCPServer] {
+	request := &IPLocationRequest{}
+	json.Unmarshal(params, &request)
+	return request
+}
+
+func (t IPLocationRequest) Call(ctx wrapper.HttpContext, config server.AmapMCPServer) error {
+	err := server.ParseFromRequest(ctx, &config)
+	if err != nil {
+		log.Errorf("parse config from request failed, err:%s", err)
+		return err
+	}
+	err = config.ConfigHasError()
+	if err != nil {
+		return err
+	}
+
+	apiKey := config.ApiKey
+	if apiKey == "" {
+		return fmt.Errorf("amap API-KEY is not set")
+	}
+
+	url := fmt.Sprintf("https://restapi.amap.com/v3/ip?ip=%s&key=%s&source=ts_mcp", url.QueryEscape(t.IP), apiKey)
+	return ctx.RouteCall(http.MethodGet, url,
+		[][2]string{{"Accept", "application/json"}}, nil, func(statusCode int, responseHeaders http.Header, responseBody []byte) {
+			if statusCode != http.StatusOK {
+				ctx.OnMCPToolCallError(fmt.Errorf("ip location call failed, status: %d", statusCode))
+				return
+			}
+			var response struct {
+				Status string `json:"status"`
+				Info   string `json:"info"`
+				Province string `json:"province"`
+				City     string `json:"city"`
+				Adcode   string `json:"adcode"`
+				Rectangle string `json:"rectangle"`
+			}
+			err := json.Unmarshal(responseBody, &response)
+			if err != nil {
+				ctx.OnMCPToolCallError(fmt.Errorf("failed to parse ip location response: %v", err))
+				return
+			}
+			if response.Status != "1" {
+				ctx.OnMCPToolCallError(fmt.Errorf("ip location failed: %s", response.Info))
+				return
+			}
+			result := fmt.Sprintf(`{"province": "%s", "city": "%s", "adcode": "%s", "rectangle": "%s"}`, response.Province, response.City, response.Adcode, response.Rectangle)
+			ctx.SendMCPToolTextResult(result)
+		})
+}