public string Sign(string ticket, string url, JSSDK_ConfigResponse config)
{
// 注意这里参数名必须全部小写，且必须有序
string input = $"jsapi_ticket={ ticket }&noncestr={ config.NonceStr }×tamp={ config.Timestamp }&url={ url }";
SHA1 sHA1 = SHA1.Create();
byte[] buffer = sHA1.ComputeHash(Encoding.UTF8.GetBytes(input));
return(BitConverter.ToString(buffer).Replace("-", string.Empty).ToString().ToLower());
}
public async Task <JSSDK_ConfigResponse> ConfigAsync(string appId)
{
string secret = ConfigCenterClient.GetSection("WeChatAccount").GetValue <string>(appId, null);
if (secret == null)
{
return(new JSSDK_ConfigResponse
{
IsSuccess = false,
Code = CodeConstant.ClientError_NotFound_AppId
});
}
if (!_memoryCache.TryGetValue("Ticket_" + appId, out string ticket))
{
string accessToken = await _jsSDKService.GetAccessTokenAsync(appId, secret);
ticket = await _jsSDKService.GetTicketAsync(accessToken);
if (ticket == null)
{
return(new JSSDK_ConfigResponse
{
IsSuccess = false,
Code = 402
});
}
_memoryCache.Set("Ticket_" + appId, ticket, DateTimeOffset.Now.AddHours(1.5));
}
JSSDK_ConfigResponse config = new JSSDK_ConfigResponse
{
IsSuccess = true,
Code = CodeConstant.Success,
AppId = appId
};
if (Request.Headers.TryGetValue("Referer", out StringValues value) && value.Count > 0)
{
config.Signature = _jsSDKService.Sign(ticket, value[0], config);
return(config);
}
else
{
return(new JSSDK_ConfigResponse
{
IsSuccess = false,
Code = 403
});
}
}