How to build a server and a iPhone client application using the Apple Push Notification Service
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The document describes how to build an Apple Push Notification service (APNs) client application for iPhone and a corresponding server. The client registers with APNs to receive push notifications and handles notifications received. The server implements the APNs interface to send notifications by generating credentials, formatting payloads, and sending messages over SSL. Code examples are provided in Ruby to demonstrate implementation on the server side.
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Implementation in Ruby
#! /usr/bin/env ruby
# -*- encoding: utf-8 -*-
require 'socket'
require 'openssl'
socket = TCPSocket.new('gateway.sandbox.push.apple.com', 2195)
context = OpenSSL::SSL::SSLContext.new('SSLv3')
context.cert = OpenSSL::X509::Certi?cate.new(File.read('apns-dev.pem'))
context.key = OpenSSL::PKey::RSA.new(File.read('apns-dev-key-noenc.pem'))
ssl = OpenSSL::SSL::SSLSocket.new(socket, context)
ssl.connect
device_token = ['XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX']
payload = <<-EOS
{
"aps": {
"alert": "#{alert}",
"badge": 2,
¡°sound¡±: ¡°default¡±
}
}
EOS
(message = []) << ['0'].pack('H') << [32].pack('n') << device_token.pack('H*') << [payload.size].pack('n') << payload
ssl.write(message.join(''))
ssl.close
socket.close](https://image.slidesharecdn.com/apnstest-090727092901-phpapp02/85/How-to-build-a-server-and-a-iPhone-client-application-using-the-Apple-Push-Notification-Service-12-320.jpg)
How to build a server and a iPhone client application using the Apple Push Notification Service
- 1. How to build a server and a iPhone client application using the Apple Push Noti?cation Service 2009/7/21 @ actindi Shu MASUDA
- 2. 2 Apple Push Noti?cation Service (APNs) What is the Apple Push Noti?cation Service? ? iPhone OS 3.0 ? 3 ? Alert ? Badge ? Sound ?
- 3. 3 Client Implementation Overview ¡ï APNs ? UIApplication registerForRemoteNoti?cationTypes: ? UIApplication application:didRegisterForRemoteNoti?cationsWithDeviceToken: Device Token ¡ï APNs ? UIApplicationDelegate application:didReceiveRemoteNoti?cation: ? UIApplication Delegate applicationDidFinishLaunching:
- 4. 4 Client Implementation ? Xcode
- 5. 5 Server Implementation Overview 1. App ID 2. 3. Interface APNS 4. Ruby
- 6. 6 Generating App ID Bundle Identi?er ¡±*¡±
- 7. 6 Generating App ID Enable for Apple Push Noti?cation service
- 8. 6 Generating App ID Enable for Apple Push Noti?cation service
- 9. 7 Generating Key 1. p12 pem ? openssl pkcs12 -clcerts -nokeys -out apns-dev-cert.pem -in apns-dev-cert.p12 ? openssl pkcs12 -nocerts -out apns-dev-key.pem -in apns-dev- key.p12 2. 1. ? openssl rsa -in apns-dev-key.pem -out apns-dev-key- noenc.pem 3. ? cat apns-dev-cert.pem apns-dev-key-noenc.pem > apns-dev.pem 4. OpenSSL ? openssl s_client -connect gateway.sandbox.push.apple.com: 2195 -prexit -state -cert apns-dev-cert.pem -key apns-dev- key-noenc.pem
- 10. 8 Creating the Push Noti?cation Interface ? Binary format of the push noti?cation interface ? (payload) JSON { ¡°aps¡±: { ¡°alert¡±: ¡°You¡¯ve got a mail!¡±, ¡°badge¡±: 1, ¡°sound¡±: ¡°default¡± } }
- 11. 9 Implementation in Ruby ¡ï Ruby ? pack? unpack?? or ... ??? ?
- 12. 10 Implementation in Ruby #! /usr/bin/env ruby # -*- encoding: utf-8 -*- require 'socket' require 'openssl' socket = TCPSocket.new('gateway.sandbox.push.apple.com', 2195) context = OpenSSL::SSL::SSLContext.new('SSLv3') context.cert = OpenSSL::X509::Certi?cate.new(File.read('apns-dev.pem')) context.key = OpenSSL::PKey::RSA.new(File.read('apns-dev-key-noenc.pem')) ssl = OpenSSL::SSL::SSLSocket.new(socket, context) ssl.connect device_token = ['XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'] payload = <<-EOS { "aps": { "alert": "#{alert}", "badge": 2, ¡°sound¡±: ¡°default¡± } } EOS (message = []) << ['0'].pack('H') << [32].pack('n') << device_token.pack('H*') << [payload.size].pack('n') << payload ssl.write(message.join('')) ssl.close socket.close
- 13. It¡¯s time to Demo!
- 14. 12 ¡ï ? Miss Piggy ? Catherine Miss Piggy ? Mr. Kermit iPhone ¡ï Miss Piggy Cathy (Catherine) Miss Piggy Miss Piggy Cathy Kermit Miss Piggy Kermit iPhone Push Noti?cation
- 15. 13 References ? Apple Push Noti?cation Service Programming Guide http://developer.apple.com/iphone/library/documentation/NetworkingInternet/Conceptual/ RemoteNoti?cationsPG/Introduction/Introduction.html ? How to build an Apple Push Noti?cation provider server (tutorial) ? Boxed Ice Blog http://blog.boxedice.com/2009/07/10/how-to-build-an-apple-push-noti?cation-provider- server-tutorial/ ? Ruby - pack http://www.ruby-lang.org/ja/man/html/ pack_A5C6A5F3A5D7A5ECA1BCA5C8CAB8BBFACEF3.html ? SSL - 2008-01-03 - http://d.hatena.ne.jp/shinichiro_h/20080103#1199305204