mirror of
https://github.com/alibaba/higress.git
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99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tools
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import (
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"amap-tools/config"
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"github.com/higress-group/wasm-go/pkg/mcp/server"
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"github.com/higress-group/wasm-go/pkg/mcp/utils"
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"github.com/higress-group/proxy-wasm-go-sdk/proxywasm"
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)
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var _ server.Tool = IPLocationRequest{}
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type IPLocationRequest struct {
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IP string `json:"ip" jsonschema_description:"IP地址,获取不到则填写unknow,服务端将根据socket地址来获取IP"`
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}
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func (t IPLocationRequest) Description() string {
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return "通过IP定位所在的国家和城市等位置信息"
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}
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func (t IPLocationRequest) InputSchema() map[string]any {
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return server.ToInputSchema(&IPLocationRequest{})
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}
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func (t IPLocationRequest) Create(params []byte) server.Tool {
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request := &IPLocationRequest{}
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json.Unmarshal(params, &request)
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return request
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}
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func (t IPLocationRequest) Call(ctx server.HttpContext, s server.Server) error {
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serverConfig := &config.AmapServerConfig{}
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s.GetConfig(serverConfig)
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if serverConfig.ApiKey == "" {
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return errors.New("amap API-KEY is not configured")
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}
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if t.IP == "" || strings.Contains(t.IP, "unknow") {
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var bs []byte
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var ipStr string
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fromHeader := false
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bs, _ = proxywasm.GetProperty([]string{"source", "address"})
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if len(bs) > 0 {
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ipStr = string(bs)
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} else {
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ipStr, _ = proxywasm.GetHttpRequestHeader("x-forwarded-for")
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fromHeader = true
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}
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t.IP = parseIP(ipStr, fromHeader)
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}
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url := fmt.Sprintf("https://restapi.amap.com/v3/ip?ip=%s&key=%s&source=ts_mcp", url.QueryEscape(t.IP), serverConfig.ApiKey)
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return ctx.RouteCall(http.MethodGet, url,
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[][2]string{{"Accept", "application/json"}}, nil, func(statusCode int, responseHeaders [][2]string, responseBody []byte) {
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if statusCode != http.StatusOK {
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utils.OnMCPToolCallError(ctx, fmt.Errorf("ip location call failed, status: %d", statusCode))
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return
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}
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utils.SendMCPToolTextResult(ctx, string(responseBody))
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})
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}
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// parseIP 解析IP
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func parseIP(source string, fromHeader bool) string {
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if fromHeader {
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source = strings.Split(source, ",")[0]
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}
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source = strings.Trim(source, " ")
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if strings.Contains(source, ".") {
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// parse ipv4
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return strings.Split(source, ":")[0]
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}
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//parse ipv6
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if strings.Contains(source, "]") {
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return strings.Split(source, "]")[0][1:]
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}
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return source
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}
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