用云服务器为Win Store App(UWP)发送通知_参考资料

1.App和推送平台联系,创建推送通道.(30天过期,建议每次启动申请)

PushNotificationChannel pushNotificationChannel = await PushNotificationChannelManager.CreatePushNotificationChannelForApplicationAsync();
pushNotificationChannel.PushNotificationReceived += PushNotificationChannel_PushNotificationReceived;

private void PushNotificationChannel_PushNotificationReceived(PushNotificationChannel sender,
    PushNotificationReceivedEventArgs args)
{
    if (args.NotificationType == PushNotificationType.Toast)
    {
        ToastNotificationManager.CreateToastNotifier().Show(args.ToastNotification);
    }
}

参考 https://docs.microsoft.com/zh-cn/previous-versions/windows/apps/hh465412(v=win.10) 的备注内容,以及注意事项

2.用你的云服务器获取WNS的token认证

[DataContract]
public class OAuthToken
{
    [DataMember(Name = "access_token")]
    public string AccessToken { get; set; }
    [DataMember(Name = "token_type")]
    public string TokenType { get; set; }
}

private OAuthToken GetOAuthTokenFromJson(string jsonString)
{
    using (var ms = new MemoryStream(Encoding.Unicode.GetBytes(jsonString)))
    {
        var ser = new DataContractJsonSerializer(typeof(OAuthToken));
        var oAuthToken = (OAuthToken)ser.ReadObject(ms);
        return oAuthToken;
    }
}

protected OAuthToken GetAccessToken(string secret, string sid)
{
    var urlEncodedSecret = HttpUtility.UrlEncode(secret);
    var urlEncodedSid = HttpUtility.UrlEncode(sid);

    var body =
      String.Format("grant_type=client_credentials&client_id={0}&client_secret={1}&scope=notify.windows.com", urlEncodedSid, urlEncodedSecret);

    string response;
    using (var client = new WebClient())
    {
        client.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
        response = client.UploadString("https://login.live.com/accesstoken.srf", body);
    }
    return GetOAuthTokenFromJson(response);
}

secret和Sid前往仪表板获取,参考

https://docs.microsoft.com/zh-cn/previous-versions/windows/apps/hh465407(v=win.10)

得到access_token ,就可以向WNS发送推送请求.示例:

请求头要包含(token)

HttpClient httpClient2 = new HttpClient();

HttpRequestMessage httpRequestMessage = new HttpRequestMessage(HttpMethod.Post, new Uri(ChannelUrl));
httpRequestMessage.Headers.Add("Authorization", "Bearer " + access_token);
httpRequestMessage.Headers.Add("X-WNS-Type", "wns/toast");

string toastContent = @"
    <toast>
        <visual>
            <binding template='ToastGeneric'>
                <text>Hello World!</text>
                <text>This is the first Example!</text>
            </binding>
        </visual>
    </toast>";

HttpStringContent httpStringContent = new HttpStringContent(toastContent);
httpStringContent.Headers["Content-Type"] = "text/xml";
httpStringContent.Headers["Content-Length"] =
    Encoding.UTF8.GetBytes(toastContent.ToCharArray()).Length.ToString();

httpRequestMessage.Content = httpStringContent;

var response2 = await httpClient.SendRequestAsync(httpRequestMessage);