wechat-oplatform-sdk/service/authorizer_token.go

package service

import (
	"encoding/json"
	"errors"
	"net/url"

	"gitee.com/yansen_zh/wechat-oplatform-sdk/api"
	"gitee.com/yansen_zh/wechat-oplatform-sdk/entity"
	"gitee.com/yansen_zh/wechat-oplatform-sdk/utils"
	"gitee.com/yansen_zh/wechat-oplatform-sdk/utils/request"
)

// AuthorizerTokenParam 获取/刷新接口调用令牌参数
type AuthorizerTokenParam struct {
	ComponentAppId         string `json:"component_appid"`
	AuthorizerAppId        string `json:"authorizer_appid"`
	AuthorizerRefreshToken string `json:"authorizer_refresh_token"`
}

// AuthorizerTokenResult 获取/刷新接口调用令牌结果
type AuthorizerTokenResult struct {
	entity.Error
	AuthorizerAccessToken  string  `json:"authorizer_access_token"`
	ExpiresIn              float64 `json:"expires_in"`
	AuthorizerRefreshToken string  `json:"authorizer_refresh_token"`
}

// AuthorizerToken 获取/刷新接口调用令牌
func AuthorizerToken(componentAccessToken string, param AuthorizerTokenParam) (*AuthorizerTokenResult, error) {
	if componentAccessToken == "" {
		return nil, errors.New("获取/刷新接口调用令牌 第三方平台的 component_access_token 不能为空")
	}

	if param.ComponentAppId == "" {
		return nil, errors.New("获取/刷新接口调用令牌 第三方平台的 appid 不能为空")
	}

	if param.AuthorizerAppId == "" {
		return nil, errors.New("获取/刷新接口调用令牌 授权方 appid 不能为空")
	}

	if param.AuthorizerRefreshToken == "" {
		return nil, errors.New("获取/刷新接口调用令牌 刷新令牌 不能为空")
	}

	data, e1 := json.Marshal(param)
	if e1 != nil {
		return nil, e1
	}

	queryParam := url.Values{}
	queryParam.Set("component_access_token", componentAccessToken)

	apiUrl, _ := utils.ParseURL(api.AuthorizerToken, &queryParam)
	resp, e2 := request.PostJSON(apiUrl.String(), data)
	if e2 != nil {
		return nil, e2
	}

	result := AuthorizerTokenResult{}
	if err := json.Unmarshal(resp, &result); err != nil {
		return nil, err
	}

	if result.Code != 0 {
		return &result, result.Error
	}

	return &result, nil
}