func()

in connector-basic/basic.go [123:186]
57 lines of code
12 McCabe index (conditional complexity)

func (g *Connector) ConnectorReceiver(ctx *plugin.GinContext, receiverURL string) (userInfo plugin.ExternalLoginUserInfo, err error) {
	code := ctx.Query("code")
	// Exchange code for token
	oauth2Config := &oauth2.Config{
		ClientID:     g.Config.ClientID,
		ClientSecret: g.Config.ClientSecret,
		Endpoint: oauth2.Endpoint{
			AuthURL:   g.Config.AuthorizeUrl,
			TokenURL:  g.Config.TokenUrl,
			AuthStyle: oauth2.AuthStyleAutoDetect,
		},
		RedirectURL: receiverURL,
	}
	token, err := oauth2Config.Exchange(context.Background(), code)
	if err != nil {
		return userInfo, fmt.Errorf("code exchange failed: %s", err.Error())
	}

	// Exchange token for user info
	client := oauth2.NewClient(context.Background(), oauth2.StaticTokenSource(
		&oauth2.Token{AccessToken: token.AccessToken},
	))
	client.Timeout = 15 * time.Second

	response, err := client.Get(g.Config.UserJsonUrl)
	if err != nil {
		return userInfo, fmt.Errorf("failed getting user info: %s", err.Error())
	}
	defer response.Body.Close()
	data, _ := io.ReadAll(response.Body)

	userInfo = plugin.ExternalLoginUserInfo{
		MetaInfo: string(data),
	}

	if len(g.Config.UserIDJsonPath) > 0 {
		userInfo.ExternalID = gjson.GetBytes(data, g.Config.UserIDJsonPath).String()
	}
	if len(userInfo.ExternalID) == 0 {
		log.Errorf("fail to get user id from json path: %s", g.Config.UserIDJsonPath)
		return userInfo, nil
	}
	if len(g.Config.UserDisplayNameJsonPath) > 0 {
		userInfo.DisplayName = gjson.GetBytes(data, g.Config.UserDisplayNameJsonPath).String()
	}
	if len(g.Config.UserUsernameJsonPath) > 0 {
		userInfo.Username = gjson.GetBytes(data, g.Config.UserUsernameJsonPath).String()
	}
	if len(g.Config.UserEmailJsonPath) > 0 {
		userInfo.Email = gjson.GetBytes(data, g.Config.UserEmailJsonPath).String()
	}
	if g.Config.CheckEmailVerified && len(g.Config.EmailVerifiedJsonPath) > 0 {
		emailVerified := gjson.GetBytes(data, g.Config.EmailVerifiedJsonPath).Bool()
		if !emailVerified {
			userInfo.Email = ""
		}
	}
	if len(g.Config.UserAvatarJsonPath) > 0 {
		userInfo.Avatar = gjson.GetBytes(data, g.Config.UserAvatarJsonPath).String()
	}

	userInfo = g.formatUserInfo(userInfo)
	return userInfo, nil
}