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gauri desai
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Getting error while sending push notification to ios from c#
Dec 28 2016 12:48 AM
int port = 2195;
string hostname = "gateway.sandbox.push.apple.com";
// String hostname = "gateway.push.apple.com";
String certificatePath = Server.MapPath("PushnotificationDev.p12");
X509Certificate2 clientCertificate = new X509Certificate2(System.IO.File.ReadAllBytes(certificatePath), "password");
X509Certificate2Collection certificatesCollection = new X509Certificate2Collection(clientCertificate);
TcpClient client = new TcpClient(hostname, port);
SslStream sslStream = new SslStream(client.GetStream(), false, new RemoteCertificateValidationCallback(ValidateServerCertificate), null);
try
{
// client.Connect(hostname,port);
//sslStream.AuthenticateAsServer(hostname, certificatesCollection, SslProtocols.Default, true);
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
sslStream.AuthenticateAsServer(clientCertificate, false, SslProtocols.Ssl3, true);
MemoryStream memoryStream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(memoryStream);
writer.Write((byte)0);
writer.Write((byte)0);
writer.Write((byte)32);
writer.Write(ConvertToByteArray("0755ac6c555e9b9e819b15772e6bcb11d64c659d331a28cf7674050a20fa846e"));
String payload = "{\"aps\":{\"alert\":\"" + "Hi,, This Is a Sample Push Notification For IPhone.." + "\",\"badge\":1,\"sound\":\"default\"}}";
writer.Write((byte)0);
writer.Write((byte)payload.Length);
byte[] b1 = System.Text.Encoding.UTF8.GetBytes(payload);
writer.Write(b1);
writer.Flush();
byte[] array = memoryStream.ToArray();
sslStream.Write(array);
sslStream.Flush();
client.Close();
}
catch (System.Security.Authentication.AuthenticationException ex)
{
client.Close();
}
catch (Exception ex)
{
lblenc.Text = ex.Message;
client.Close();
}
}
public static byte[] ConvertToByteArray(string value)
{
byte[] bytes = null;
if (String.IsNullOrEmpty(value))
bytes = null;
else
{
int string_length = value.Length;
int character_index = (value.StartsWith("0x", StringComparison.Ordinal)) ? 2 : 0; // Does the string define leading HEX indicator '0x'. Adjust starting index accordingly.
int number_of_characters = string_length - character_index;
bool add_leading_zero = false;
if (0 != (number_of_characters % 2))
{
add_leading_zero = true;
number_of_characters += 1; // Leading '0' has been striped from the string presentation.
}
bytes = new byte[number_of_characters / 2]; // Initialize our byte array to hold the converted string.
int write_index = 0;
if (add_leading_zero)
{
bytes[write_index++] = FromCharacterToByte(value[character_index], character_index);
character_index += 1;
}
for (int read_index = character_index; read_index < value.Length; read_index += 2)
{
byte upper = FromCharacterToByte(value[read_index], read_index, 4);
byte lower = FromCharacterToByte(value[read_index + 1], read_index + 1);
bytes[write_index++] = (byte)(upper | lower);
}
}
return bytes;
}
private static byte FromCharacterToByte(char character, int index, int shift = 0)
{
byte value = (byte)character;
if (((0x40 < value) && (0x47 > value)) || ((0x60 < value) && (0x67 > value)))
{
if (0x40 == (0x40 & value))
{
if (0x20 == (0x20 & value))
value = (byte)(((value + 0xA) - 0x61) << shift);
else
value = (byte)(((value + 0xA) - 0x41) << shift);
}
}
else if ((0x29 < value) && (0x40 > value))
value = (byte)((value - 0x30) << shift);
else
throw new InvalidOperationException(String.Format("Character '{0}' at index '{1}' is not valid alphanumeric character.", character, index));
return value;
}
public static bool ValidateServerCertificate(
object sender,
X509Certificate certificate,
X509Chain chain,
SslPolicyErrors sslPolicyErrors)
{
if (sslPolicyErrors == SslPolicyErrors.None)
return true;
Console.WriteLine("Certificate error: {0}", sslPolicyErrors);
// Do not allow this client to communicate with unauthenticated servers.
return false;
}
private byte[] HexString2Bytes(String hexString)
{
//check for null
if (hexString == null) return null;
//get length
int len = hexString.Length;
if (len % 2 == 1) return null;
int len_half = len / 2;
//create a byte array
byte[] bs = new byte[len_half];
try
{
//convert the hexstring to bytes
for (int i = 0; i != len_half; i++)
{
bs[i] = (byte)Int32.Parse(hexString.Substring(i * 2, 2), System.Globalization.NumberStyles.HexNumber);
}
}
catch (Exception ex)
{
//MessageBox.Show("Exception : " + ex.Message);
}
//return the byte array
return bs;
}
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Asp.net Remove , and comare district id get related values