/usr/share/pyshared/tweepy/auth.py is in python-tweepy 2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2009-2010 Joshua Roesslein
# See LICENSE for details.
from urllib2 import Request, urlopen
import base64
from oauth import oauth
from tweepy.error import TweepError
from tweepy.api import API
class AuthHandler(object):
def apply_auth(self, url, method, headers, parameters):
"""Apply authentication headers to request"""
raise NotImplementedError
def get_username(self):
"""Return the username of the authenticated user"""
raise NotImplementedError
class OAuthHandler(AuthHandler):
"""OAuth authentication handler"""
OAUTH_HOST = 'api.twitter.com'
OAUTH_ROOT = '/oauth/'
def __init__(self, consumer_key, consumer_secret, callback=None, secure=True):
if type(consumer_key) == unicode:
consumer_key = bytes(consumer_key)
if type(consumer_secret) == unicode:
consumer_secret = bytes(consumer_secret)
self._consumer = oauth.OAuthConsumer(consumer_key, consumer_secret)
self._sigmethod = oauth.OAuthSignatureMethod_HMAC_SHA1()
self.request_token = None
self.access_token = None
self.callback = callback
self.username = None
self.secure = secure
def _get_oauth_url(self, endpoint, secure=True):
if self.secure or secure:
prefix = 'https://'
else:
prefix = 'http://'
return prefix + self.OAUTH_HOST + self.OAUTH_ROOT + endpoint
def apply_auth(self, url, method, headers, parameters):
request = oauth.OAuthRequest.from_consumer_and_token(
self._consumer, http_url=url, http_method=method,
token=self.access_token, parameters=parameters
)
request.sign_request(self._sigmethod, self._consumer, self.access_token)
headers.update(request.to_header())
def _get_request_token(self):
try:
url = self._get_oauth_url('request_token')
request = oauth.OAuthRequest.from_consumer_and_token(
self._consumer, http_url=url, callback=self.callback
)
request.sign_request(self._sigmethod, self._consumer, None)
resp = urlopen(Request(url, headers=request.to_header()))
return oauth.OAuthToken.from_string(resp.read())
except Exception as e:
raise TweepError(e)
def set_request_token(self, key, secret):
self.request_token = oauth.OAuthToken(key, secret)
def set_access_token(self, key, secret):
self.access_token = oauth.OAuthToken(key, secret)
def get_authorization_url(self, signin_with_twitter=False):
"""Get the authorization URL to redirect the user"""
try:
# get the request token
self.request_token = self._get_request_token()
# build auth request and return as url
if signin_with_twitter:
url = self._get_oauth_url('authenticate')
else:
url = self._get_oauth_url('authorize')
request = oauth.OAuthRequest.from_token_and_callback(
token=self.request_token, http_url=url
)
return request.to_url()
except Exception as e:
raise TweepError(e)
def get_access_token(self, verifier=None):
"""
After user has authorized the request token, get access token
with user supplied verifier.
"""
try:
url = self._get_oauth_url('access_token')
# build request
request = oauth.OAuthRequest.from_consumer_and_token(
self._consumer,
token=self.request_token, http_url=url,
verifier=str(verifier)
)
request.sign_request(self._sigmethod, self._consumer, self.request_token)
# send request
resp = urlopen(Request(url, headers=request.to_header()))
self.access_token = oauth.OAuthToken.from_string(resp.read())
return self.access_token
except Exception as e:
raise TweepError(e)
def get_xauth_access_token(self, username, password):
"""
Get an access token from an username and password combination.
In order to get this working you need to create an app at
http://twitter.com/apps, after that send a mail to api@twitter.com
and request activation of xAuth for it.
"""
try:
url = self._get_oauth_url('access_token', secure=True) # must use HTTPS
request = oauth.OAuthRequest.from_consumer_and_token(
oauth_consumer=self._consumer,
http_method='POST', http_url=url,
parameters = {
'x_auth_mode': 'client_auth',
'x_auth_username': username,
'x_auth_password': password
}
)
request.sign_request(self._sigmethod, self._consumer, None)
resp = urlopen(Request(url, data=request.to_postdata()))
self.access_token = oauth.OAuthToken.from_string(resp.read())
return self.access_token
except Exception as e:
raise TweepError(e)
def get_username(self):
if self.username is None:
api = API(self)
user = api.verify_credentials()
if user:
self.username = user.screen_name
else:
raise TweepError("Unable to get username, invalid oauth token!")
return self.username
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