oauth_client.py

import os
import cgi
import oauth2 as oauth

# settings for the local test consumer
CONSUMER_SERVER = os.environ.get("CONSUMER_SERVER") or 'localhost'
CONSUMER_PORT = os.environ.get("CONSUMER_PORT") or '8000'
print CONSUMER_SERVER , CONSUMER_PORT 

# fake urls for the test server (matches ones in server.py)
REQUEST_TOKEN_URL = 'http://%s:%s/api/oauth/request_token/' % (CONSUMER_SERVER, CONSUMER_PORT)
ACCESS_TOKEN_URL = 'http://%s:%s/api/oauth/access_token/' % (CONSUMER_SERVER, CONSUMER_PORT)
AUTHORIZE_URL = 'http://%s:%s/api/oauth/authorize/' % (CONSUMER_SERVER, CONSUMER_PORT)

# key and secret granted by the service provider for this consumer application - same as the MockOAuthDataStore
CONSUMER_KEY = 'testkey'
CONSUMER_SECRET = 'testsecret'


consumer = oauth.Consumer(CONSUMER_KEY, CONSUMER_SECRET)
client = oauth.Client(consumer)

# Step 1: Get a request token. This is a temporary token that is used for 
# having the user authorize an access token and to sign the request to obtain 
# said access token.

resp, content = client.request(REQUEST_TOKEN_URL, "GET")
if resp['status'] != '200':
    raise Exception("Invalid response %s." % resp['status'])

request_token = dict(cgi.parse_qsl(content))

print "Request Token:"
print "    - oauth_token        = %s" % request_token['oauth_token']
print "    - oauth_token_secret = %s" % request_token['oauth_token_secret']
print 

# Step 2: Redirect to the provider. Since this is a CLI script we do not 
# redirect. In a web application you would redirect the user to the URL
# below.

print "Go to the following link in your browser:"
print "%s?oauth_token=%s" % (AUTHORIZE_URL, request_token['oauth_token'])
print 

# After the user has granted access to you, the consumer, the provider will
# redirect you to whatever URL you have told them to redirect to. You can 
# usually define this in the oauth_callback argument as well.
accepted = 'n'
while accepted.lower() == 'n':
    accepted = raw_input('Have you authorized me? (y/n) ')
oauth_verifier = raw_input('What is the PIN? ')

# Step 3: Once the consumer has redirected the user back to the oauth_callback
# URL you can request the access token the user has approved. You use the 
# request token to sign this request. After this is done you throw away the
# request token and use the access token returned. You should store this 
# access token somewhere safe, like a database, for future use.
token = oauth.Token(request_token['oauth_token'], request_token['oauth_token_secret'])
token.set_verifier(oauth_verifier)
client = oauth.Client(consumer, token)

resp, content = client.request(ACCESS_TOKEN_URL, "POST")
access_token = dict(cgi.parse_qsl(content))

print "Access Token:"
print "    - oauth_token        = %s" % access_token['oauth_token']
print "    - oauth_token_secret = %s" % access_token['oauth_token_secret']
print
print "You may now access protected resources using the access tokens above." 
print