apns test

apns_test.rb

require "base64"
require "openssl"
require "socket"
require "yajl" #gem install yajl-ruby

IDENTIFIER = 0
EXPIRY = 0
ENHANCED_COMMAND = 1
DEVICE_TOKEN_SIZE = 32
# DEVICE_TOKEN = Base64.decode64("4DJXVKUhziWwNihDfraFXXZ4RIJK+dCHoiS3awnh0w0=")
DEVICE_TOKEN = "4DJXVKUhziWwNihDfraFXXZ4RIJK+dCHoiS3awnh0w0="

def payload
  payload = Hash.new
  payload['apns'] = Hash.new
  payload['apns']['alert'] = "Hello world"
  payload['apns']['badge'] = 10
  payload['apns']['sound'] = "ding.aiff"
  Yajl::Encoder.encode(payload)
end

def to_binary(payload)
payload_size = payload.bytesize
[ENHANCED_COMMAND, IDENTIFIER, EXPIRY, 0, DEVICE_TOKEN_SIZE, DEVICE_TOKEN, 0, payload_size, payload].pack("cnnccH*cca*") #"cNNccH*cca*" - doesn't seem to work
end

def connect
  cert = File.read('config/certs/cert_ios_production.pem')
  ctx = OpenSSL::SSL::SSLContext.new
  ctx.key = OpenSSL::PKey::RSA.new(cert, nil)
  ctx.cert = OpenSSL::X509::Certificate.new(cert)
  sock = TCPSocket.new('gateway.push.apple.com', 2195)
  ssl = OpenSSL::SSL::SSLSocket.new(sock, ctx)
  ssl.connect
  return ssl, sock
end

def write(ssl, sock)
  ssl.write(to_binary(payload))
  ssl.flush
  if IO.select([ssl], nil, nil, 1)
    error = ssl.read(6)
    if error
      error = error.unpack("ccN")
      puts "ERROR: #{error}"
    else
      puts "NO ERROR"
    end
  end
end

def close(ssl, sock)
  ssl.close
  sock.close
end

#DO IT!!
ssl, sock = connect
write(ssl, sock)
close(ssl, sock)