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：
我要评论
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)
{
return true; // dont care about server's cert
}
private static x509certificate selectlocalcertificate(object sender, string targethost, x509certificatecollection localcertificates,
x509certificate remotecertificate, string[] acceptableissuers)
{
return certificate;
}
}
希望本文所述对大家的c#程序设计有所帮助。
如对本文有疑问， 点击进行留言回复！！
使用Visual Studio2019创建C#项目(窗体应用程序、控制台应用程序、Web应用程序)
C#实现获取本地内网(局域网)和外网(公网)IP地址的方法分析
网友评论