apns_proxy.py

#!/usr/bin/env python2.4

# Needs python 2.6 - for 2.5 replace ssl and json (with simplejson)

print "Content-Type: text/plain"
print

import socket, ssl, struct
# import simplejson as json
import cgi
form = cgi.FieldStorage()

def main():

    # Export your "Apple Development Push Services" certificate from your Keychain (important: select it from the "My Certificates" category in the sidebar). 
    # Export the certificate as a "Personal Information Exchange (.p12) file. You shouldn't give the exported file a password (well you could but YMMV).
    # Convert the .p12 file you just exported into a pem file:
    # openssl pkcs12 -in certificates.p12 -out certfile.pem -nodes -clcerts
    # Replace the device token with YOUR applications device token.
    # For testing don't forget to quit the app (you wont see the push notification dialogs while the app is running).

    isProduction =  str(form.getfirst("production", "0")) == '1'
    deviceToken =  form.getfirst("devtoken", "")
    thePayLoad = form.getfirst("payload", "")

    if not deviceToken:
        print "Device Token is missing!"
        return
    if not thePayLoad:
        print "Payload is missing!"
        return

    if isProduction:
        theCertfile = 'prodcertfile.pem'
        theHost = ('gateway.push.apple.com', 2195)
        print "PROD"
    else:
        theCertfile = 'devcertfile.pem'
        theHost = ('gateway.sandbox.push.apple.com', 2195)
        print "DEV"
        
    deviceToken = deviceToken.replace(' ','').decode('hex')
    theFormat = '!BH32sH%ds' % len(thePayLoad)
    theNotification = struct.pack(theFormat, 0, 32, deviceToken, len(thePayLoad), thePayLoad)
    ssl_sock = ssl.wrap_socket(socket.socket(socket.AF_INET, socket.SOCK_STREAM), certfile=theCertfile)
    ssl_sock.connect(theHost)
    ssl_sock.write(theNotification)
    ssl_sock.close()

    print 'OK'

if __name__=="__main__":
    try:
        main()
    except Exception, e:
        print e