/// <summary>
/// 获取微信消息加密工具
/// </summary>
/// <param name="channelId"></param>
/// <returns></returns>
private static WXBizMsgCrypt GetWXBizMsgCrypt(int channelId)
{
var configDto = WeixinConfigHelper.GetWeixinConfigDTOAsync(channelId).Result;
var crypt = new WXBizMsgCrypt(configDto.Token, configDto.EncodingAESKey, configDto.AppId);
return(crypt);
}
/// <summary>
/// 校验微信公众号签名
/// </summary>
/// <param name="channelId">渠道id</param>
/// <param name="msg_signature">微信加密签名，signature结合了开发者填写的token参数和请求中的timestamp参数、nonce参数</param>
/// <param name="timestamp">时间戳</param>
/// <param name="nonce">随机数</param>
/// <returns></returns>
public static bool CheckSignature(int channelId, string msg_signature, string timestamp, string nonce, string echo, out string replyEcho)
{
replyEcho = string.Empty;
var configDto = WeixinConfigHelper.GetWeixinConfigDTOAsync(channelId).Result;
var result = msg_signature == GetSignature(timestamp, nonce, configDto.Token);
if (result)
{
replyEcho = echo;
}
return(result);
}