calculate oauth signature - for SSO static test validation

oauth-signer.py

#!/usr/bin/env fades
from pprint import pprint
from urllib.parse import urlencode
from oauthlib import oauth1  # fades

# client_key is the openid_identifier from the account
# client_secret is the oauth_secret from the account
# resource_owner_key is the  key from the token in account.token_set.create
# resource_owner_secret is the secret from the above
# timestamp and nonce should be the fixed values noted in the existing test
client = oauth1.Client(
    client_key='1234567',
    client_secret='1234567890',
    resource_owner_key='12345678901234567890123456789012345678901234567890',
    resource_owner_secret='0987654321',
    timestamp='1442966400',
    nonce='12345')

# The values of params should be utf8-encoded strings/bytes.
# Here we're using unicode literals explicitly
params = [
    ('name', u'ñoño ñandú'.encode('utf-8')),
    ('email', u'foo@foo.com'.encode('utf-8')),
    ('name', u'algo más'.encode('utf-8')),
]

base_url = 'http://sso-xenial:8000/error'
# url must contain the query string
url = base_url + "?" + urlencode(params)
uri, headers, body = client.sign(url, http_method='GET', realm=base_url)

# Here are the final headers, oauth_signature SHOULD match
# cOCcOe6F5qLDl43G1uvn1tx9Eig%3D for base_url = sso-trusty
# dLLmmW1bgi%2FWN1oY2kuh%2BSeIXUs%3D for base_url = sso-xenial
pprint(headers)