#!/ usr/bin/env python
# By: Kelcey Damage, 2012

import hashlib, hmac, string. base64, urllib

# Reference GET/POST sample request
#
# 1. http://10.10.0.1:8080/client/api
# 2. ?apiKey={API_KEY}
# 3. &command={API_COMMAND}
# 4. &response={JSON/XML}
# 5. &zoneid={ZONE_ID}
# 6. &signature={SIGNATURE}

# Reference required signature elements
#
# 1. request
# 2. apiKey
# 3. private_key

api_url = 

secret = 

apiKey = 

request = 

class SignedAPICall(Object):
	def __init__(self, api_url, apikey,, secret):
		self.api_url = api_url
		self.apikey = apiKey
		self.secret = secret

	def request(self, args):
		args['apiKey'] = self.apiKey

		self.params = []
		self._sort_request(args)
		self._creat_signature()
		self._build_post_request()

	def _sort_request(self, args):
		keys = sorted(args.keys())

		for key in keys:
			self.params.append(key + '=' + urllib.quote_plus(args[key]))

	def _create_signature(self):
		self.query = '&'.join(self.params)
		digest = hmac.new(
			self.secret,
			msg=self.query.lower(),
			digestmod=hashlib.sha1).digest()

		self.signature = base64.b64encode(digest)

	def _build_post_request(self):
		self.query += '&signature=' + urllib.quote_plus(self.signature)
		self.value = self.api_url + '?' + self.query

api = SignedAPICall(api_url, apiKey,, secret)
api.request(request)

print api.value