cydia.py

#!/usr/bin/env python

import logging
import urllib2
import hmac
import hashlib
import base64
import time
import datetime
import sys

def CydiaStoreCheck(UDID, package, vendor, secret_key):
    mode = 'local'
    unix_time = str(int(time.mktime(datetime.datetime.now().timetuple())))

    data = 'api=store-0.9&device=' + UDID + '&mode=' + mode + '&nonce=' + unix_time + '&package=' + package + '&timestamp=' + unix_time + '&vendor=' +vendor
    hmac_data = hmac.new(secret_key, data, hashlib.sha1)
    signature = base64.encodestring(hmac_data.digest()).strip().rstrip('=').replace('/','_').replace('+', '-')

    failureCount = 0
    while True:
        try:
            transactions = urllib2.urlopen('http://cydia.saurik.com/api/check?' + data + '&signature=' + signature)
        except:
            failureCount += 1
            if failureCount >= 5:
                logging.warn('failureCount over 5 count.')
                raise
        else:
            break

    transaction = transactions.readline()
    res_dict = {}
    for i in transaction.split('&'):
        j = [x for x in i.split('=')]
        res_dict[j[0]] = j[1]

    return res_dict

if __name__ == '__main__':
    print sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4]
    print CydiaStoreCheck(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])