107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
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package douyin_openapi
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import (
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"encoding/json"
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"fmt"
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accessToken "gitea.youtukeji.com.cn/xiabin/douyin-openapi/access-token"
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"gitea.youtukeji.com.cn/xiabin/douyin-openapi/cache"
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"gitea.youtukeji.com.cn/xiabin/douyin-openapi/util"
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)
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const (
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code2Session = "/api/apps/v2/jscode2session" // 小程序登录地址
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)
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// DouYinOpenApiConfig 实例化配置
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type DouYinOpenApiConfig struct {
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AppId string
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AppSecret string
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AccessToken accessToken.AccessToken
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Cache cache.Cache
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IsSandbox bool
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Token string
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Salt string
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}
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// DouYinOpenApi 基类
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type DouYinOpenApi struct {
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Config DouYinOpenApiConfig
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BaseApi string
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}
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// NewDouYinOpenApi 实例化一个抖音openapi实例
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func NewDouYinOpenApi(config DouYinOpenApiConfig) *DouYinOpenApi {
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if config.Cache == nil {
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config.Cache = cache.NewMemory()
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}
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if config.AccessToken == nil {
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config.AccessToken = accessToken.NewDefaultAccessToken(config.AppId, config.AppSecret, config.Cache, config.IsSandbox)
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}
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BaseApi := "https://developer.toutiao.com"
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if config.IsSandbox {
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BaseApi = "https://open-sandbox.douyin.com"
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}
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return &DouYinOpenApi{
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Config: config,
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BaseApi: BaseApi,
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}
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}
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// GetApiUrl 获取api地址
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func (d *DouYinOpenApi) GetApiUrl(url string) string {
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return fmt.Sprintf("%s%s", d.BaseApi, url)
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}
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// PostJson 封装公共的请求方法
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func (d *DouYinOpenApi) PostJson(api string, params any, response any) (err error) {
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body, err := util.PostJSON(api, params)
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if err != nil {
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return
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}
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err = json.Unmarshal(body, &response)
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if err != nil {
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return
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}
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return
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}
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// Code2SessionParams 小程序登录 所需参数
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type Code2SessionParams struct {
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Appid string `json:"appid,omitempty"`
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Secret string `json:"secret,omitempty"`
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AnonymousCode string `json:"anonymous_code,omitempty"`
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Code string `json:"code,omitempty"`
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}
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// Code2SessionResponse 小程序登录返回值
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type Code2SessionResponse struct {
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ErrNo int `json:"err_no,omitempty"`
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ErrTips string `json:"err_tips,omitempty"`
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Data Code2SessionResponseData `json:"data,omitempty"`
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}
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type Code2SessionResponseData struct {
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SessionKey string `json:"session_key,omitempty"`
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Openid string `json:"openid,omitempty"`
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AnonymousOpenid string `json:"anonymous_openid,omitempty"`
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UnionId string `json:"unionid,omitempty"`
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}
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// Code2Session 小程序登录
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func (d *DouYinOpenApi) Code2Session(code, anonymousCode string) (code2SessionResponse Code2SessionResponse, err error) {
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params := Code2SessionParams{
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Appid: d.Config.AppId,
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Secret: d.Config.AppSecret,
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AnonymousCode: anonymousCode,
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Code: code,
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}
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err = d.PostJson(d.GetApiUrl(code2Session), params, &code2SessionResponse)
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if err != nil {
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return
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}
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if code2SessionResponse.ErrNo != 0 {
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return code2SessionResponse, fmt.Errorf("小程序登录错误: %s %d", code2SessionResponse.ErrTips, code2SessionResponse.ErrNo)
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}
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return
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}
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