C#推送信息到推送信息到APNs的方法的方法
主要介绍了C#推送信息到APNs的方法,涉及C#推送通知到苹果APNs的实现技巧,具有一定参考借鉴价值,需要的朋友可以参考下
本文实例讲述了C#推送信息到APNs的方法。分享给大家供大家参考。具体实现方法如下：
class Program
{
public static DateTime? Expiration { get; set; }
public static readonly DateTime DoNotStore = DateTime.MinValue;
private static readonly DateTime UNIX_EPOCH = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
private static string DeviceToken = "273eeddaef02192cf4ba5b666453b258f2d2a1ad02f549105fd03fea789d809d";
public const int DEVICE_TOKEN_BINARY_SIZE = 32;
public const int DEVICE_TOKEN_STRING_SIZE = 64;
public const int MAX_PAYLOAD_SIZE = 256;
private static X509Certificate certificate;
private static X509CertificateCollection certificates;
static void Main(string[] args)
{
string hostIP = "gateway.sandbox.push.apple.com";//
int port = 2195;
string password = "ankejiaoyu";//
string certificatepath = "aps_developer_identity.p12";//bin/debug
string p12Filename = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, certificatepath);
certificate = new X509Certificate2(System.IO.File.ReadAllBytes(p12Filename), password, X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
certificates = new X509CertificateCollection();
certificates.Add(certificate);
TcpClient apnsClient = new TcpClient();
apnsClient.Connect(hostIP, port);
SslStream apnsStream = new SslStream(apnsClient.GetStream(), false, new RemoteCertificateValidationCallback(validateServerCertificate), new LocalCertificateSelectionCallback(selectLocalCertificate));
try
{
//APNs已不支持SSL 3.0
apnsStream.AuthenticateAsClient(hostIP, certificates, System.Security.Authentication.SslProtocols.Tls, false);
}
catch (System.Security.Authentication.AuthenticationException ex)
{
Console.WriteLine("error+"+ex.Message);
}
if (!apnsStream.IsMutuallyAuthenticated)
{
Console.WriteLine("error:Ssl Stream Failed to Authenticate！");
}
if (!apnsStream.CanWrite)
{
Console.WriteLine("error:Ssl Stream is not Writable!");
}
Byte[] message = ToBytes();
apnsStream.Write(message);
}
public static byte[] ToBytes()
{
// Without reading the response which would make any identifier useful, it seems silly to
// expose the value in the object model, although that would be easy enough to do. For
// now we'll just use zero.
int identifier = 0;
byte[] identifierBytes = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(identifier));
// APNS will not store-and-forward a notification with no expiry, so set it one year in the future
// if the client does not provide it.
int expiryTimeStamp = -1;//过期时间戳
if (Expiration != DoNotStore)
{
//DateTime concreteExpireDateUtc = (Expiration ?? DateTime.UtcNow.AddMonths(1)).ToUniversalTime();
DateTime concreteExpireDateUtc = (Expiration ?? DateTime.UtcNow.AddSeconds(20)).ToUniversalTime();
TimeSpan epochTimeSpan = concreteExpireDateUtc - UNIX_EPOCH;
expiryTimeStamp = (int)epochTimeSpan.TotalSeconds;
}
byte[] expiry = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(expiryTimeStamp));
byte[] deviceToken = new byte[DeviceToken.Length / 2];
for (int i = 0; i < deviceToken.Length; i++)
deviceToken[i] = byte.Parse(DeviceToken.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber);
if (deviceToken.Length != DEVICE_TOKEN_BINARY_SIZE)
{
Console.WriteLine("Device token length error！");
}
byte[] deviceTokenSize = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(Convert.ToInt16(deviceToken.Length)));
string str = "{\"aps\":{\"alert\":\"这是测试消息！！\",\"badge\":1,\"sound\":\"anke.mp3\"}}";
byte[] payload = Encoding.UTF8.GetBytes(str);
byte[] payloadSize = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(Convert.ToInt16(payload.Length)));
List<byte[]> notificationParts = new List<byte[]>();
//1 Command
notificationParts.Add(new byte[] { 0x01 }); // Enhanced notification format command
notificationParts.Add(identifierBytes);
notificationParts.Add(expiry);
notificationParts.Add(deviceTokenSize);
notificationParts.Add(deviceToken);
notificationParts.Add(payloadSize);
notificationParts.Add(payload);
return BuildBufferFrom(notificationParts);
}
private static byte[] BuildBufferFrom(IList<byte[]> bufferParts)
{
int bufferSize = 0;
for (int i = 0; i < bufferParts.Count; i++)
bufferSize += bufferParts[i].Length;
byte[] buffer = new byte[bufferSize];
int position = 0;
for (int i = 0; i < bufferParts.Count; i++)
{
byte[] part = bufferParts[i];
Buffer.BlockCopy(bufferParts[i], 0, buffer, position, part.Length);
position += part.Length;
}
return buffer;
}
private static bool validateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
{
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