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"""

The MIT License

Copyright (c) 2007 Leah Culver

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.

Example consumer. This is not recommended for production.

Instead, you'll want to create your own subclass of OAuthClient

or find one that works with your web framework.

"""

import httplib

import time

import oauth2

# settings for the local test consumer

SERVER = 'localhost'

PORT = 8080

# fake urls for the test server (matches ones in server.py)

REQUEST_TOKEN_URL = 'https://photos.example.net/request_token'

ACCESS_TOKEN_URL = 'https://photos.example.net/access_token'

AUTHORIZATION_URL = 'https://photos.example.net/authorize'

CALLBACK_URL = 'http://printer.example.com/request_token_ready'

RESOURCE_URL = 'http://photos.example.net/photos'

# key and secret granted by the service provider for this consumer application - same as the MockOAuthDataStore

CONSUMER_KEY = 'key'

CONSUMER_SECRET = 'secret'

# example client using httplib with headers

class SimpleClient(oauth2.Client):

def __init__(self, server, port=httplib.HTTP_PORT, request_token_url='', access_token_url='', authorization_url=''):

self.server = server

self.port = port

self.request_token_url = request_token_url

self.access_token_url = access_token_url

self.authorization_url = authorization_url

self.connection = httplib.HTTPConnection("%s:%d" % (self.server, self.port))

def fetch_request_token(self, oauth_request):

# via headers

# -> OAuthToken

self.connection.request(oauth_request.method, self.request_token_url, headers=oauth_request.to_header())

response = self.connection.getresponse()

return oauth2.Token.from_string(response.read())

def fetch_access_token(self, oauth_request):

# via headers

# -> OAuthToken

self.connection.request(oauth_request.method, self.access_token_url, headers=oauth_request.to_header())

response = self.connection.getresponse()

return oauth2.Token.from_string(response.read())

def authorize_token(self, oauth_request):

# via url

# -> typically just some okay response

self.connection.request(oauth_request.method, oauth_request.to_url())

response = self.connection.getresponse()

return response.read()

def access_resource(self, oauth_request):

# via post body

# -> some protected resources

headers = {'Content-Type' :'application/x-www-form-urlencoded'}

self.connection.request('POST', RESOURCE_URL, body=oauth_request.to_postdata(), headers=headers)

response = self.connection.getresponse()

return response.read()

def run_example():

# setup

print '** OAuth Python Library Example **'

client = SimpleClient(SERVER, PORT, REQUEST_TOKEN_URL, ACCESS_TOKEN_URL, AUTHORIZATION_URL)

consumer = oauth2.Consumer(CONSUMER_KEY, CONSUMER_SECRET)

signature_method_plaintext = oauth2.SignatureMethod_PLAINTEXT()

signature_method_hmac_sha1 = oauth2.SignatureMethod_HMAC_SHA1()

pause()

# get request token

print '* Obtain a request token ...'

pause()

parameters = {'oauth_callback': CALLBACK_URL}

oauth_request = oauth2.Request.from_consumer_and_token(consumer, parameters=parameters, http_url=client.request_token_url)

oauth_request.sign_request(signature_method_plaintext, consumer, None)

print 'REQUEST (via headers)'

print 'parameters: %s' % str(get_parameters(oauth_request))

pause()

token = client.fetch_request_token(oauth_request)

print 'GOT'

print 'key: %s' % str(token.key)

print 'secret: %s' % str(token.secret)

print 'callback confirmed? %s' % str(token.callback_confirmed)

pause()

print '* Authorize the request token ...'

pause()

oauth_request = oauth2.Request.from_token_and_callback(token=token, http_url=client.authorization_url)

print 'REQUEST (via url query string)'

print 'parameters: %s' % str(get_parameters(oauth_request))

pause()

# this will actually occur only on some callback

response = client.authorize_token(oauth_request)

print 'GOT'

print response

# sad way to get the verifier

import urlparse, cgi

query = urlparse.urlparse(response)[4]

params = cgi.parse_qs(query, keep_blank_values=False)

verifier = params['oauth_verifier'][0]

print 'verifier: %s' % verifier

pause()

# get access token

print '* Obtain an access token ...'

pause()

parameters = {'oauth_verifier': verifier}

oauth_request = oauth2.Request.from_consumer_and_token(consumer, token=token, parameters=parameters, http_url=client.access_token_url)

oauth_request.sign_request(signature_method_plaintext, consumer, token)

print 'REQUEST (via headers)'

print 'parameters: %s' % str(get_parameters(oauth_request))

pause()

token = client.fetch_access_token(oauth_request)

print 'GOT'

print 'key: %s' % str(token.key)

print 'secret: %s' % str(token.secret)

pause()

# access some protected resources

print '* Access protected resources ...'

pause()

parameters = {'file': 'vacation.jpg', 'size': 'original'} # resource specific params

oauth_request = oauth2.Request.from_consumer_and_token(consumer, token=token, http_method='POST', http_url=RESOURCE_URL, parameters=parameters)

oauth_request.sign_request(signature_method_hmac_sha1, consumer, token)

print 'REQUEST (via post body)'

print 'parameters: %s' % str(get_parameters(oauth_request))

pause()

params = client.access_resource(oauth_request)

print 'GOT'

print 'non-oauth parameters: %s' % params

pause()

def get_parameters(ob):

return dict([(k, v) for (k, v) in ob.iteritems() if k.startswith('oauth_')])

def pause():

print ''

time.sleep(1)

if __name__ == '__main__':

run_example()

print 'Done.'