class OAuth1(object):
"""Signs the request using OAuth 1 (RFC5849)"""
def __init__(
self,
client_key,
client_secret=None,
resource_owner_key=None,
resource_owner_secret=None,
callback_uri=None,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_AUTH_HEADER,
rsa_key=None,
verifier=None,
decoding="utf-8",
):
try:
signature_type = signature_type.upper()
except AttributeError:
pass
self.client = Client(
client_key,
client_secret,
resource_owner_key,
resource_owner_secret,
callback_uri,
signature_method,
signature_type,
rsa_key,
verifier,
decoding=decoding,
)
def __call__(self, r):
"""Add OAuth parameters to the request.
Parameters may be included from the body if the content-type is
urlencoded, if no content type is set a guess is made.
"""
# Overwriting url is safe here as request will not modify it past
# this point.
content_type = r.headers.get("Content-Type".encode("utf-8"), "")
if not isinstance(content_type, unicode):
content_type = content_type.decode("utf-8")
is_form_encoded = CONTENT_TYPE_FORM_URLENCODED in content_type
if is_form_encoded or extract_params(r.body):
r.headers["Content-Type"] = CONTENT_TYPE_FORM_URLENCODED
r.url, r.headers, r.body = self.client.sign(unicode(r.url), unicode(r.method), r.body or "", r.headers)
else:
# Omit body data in the signing of non form-encoded requests
r.url, r.headers, _ = self.client.sign(unicode(r.url), unicode(r.method), None, r.headers)
r.url = to_native_str(r.url)
return r
def build_oauth_request(self, method, uri, credentials, timestamp,
parameters=None, as_query=True):
"""Build an oauth request given some credentials."""
# oauthlib is requiring the timestamp to be a string, because
# it tries to escape all the parameters.
oauth_client = Client(credentials['consumer_key'],
credentials['consumer_secret'],
credentials['token'],
credentials['token_secret'],
signature_method=(SIGNATURE_PLAINTEXT
if self.oauth_sign_plain
else SIGNATURE_HMAC),
signature_type=(SIGNATURE_TYPE_QUERY
if as_query
else SIGNATURE_TYPE_AUTH_HEADER),
timestamp=str(timestamp))
try:
url, signed_headers, body = oauth_client.sign(
uri, method, parameters if parameters is not None else {},
{'Content-Type': 'application/x-www-form-urlencoded'})
except ValueError:
url, signed_headers, body = oauth_client.sign(uri, method)
return url, signed_headers, body
class OAuth1(object):
"""Signs the request using OAuth 1 (RFC5849)"""
def __init__(self,
client_key,
client_secret=None,
resource_owner_key=None,
resource_owner_secret=None,
callback_uri=None,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_AUTH_HEADER,
rsa_key=None,
verifier=None):
try:
signature_type = signature_type.upper()
except AttributeError:
pass
self.client = Client(client_key, client_secret, resource_owner_key,
resource_owner_secret, callback_uri,
signature_method, signature_type, rsa_key,
verifier)
def __call__(self, r):
"""Add OAuth parameters to the request.
Parameters may be included from the body if the content-type is
urlencoded, if no content type is set a guess is made.
"""
# Overwriting url is safe here as request will not modify it past
# this point.
is_form_encoded = (CONTENT_TYPE_FORM_URLENCODED
in r.headers.get('Content-Type', ''))
if is_form_encoded or extract_params(r.body):
r.headers['Content-Type'] = CONTENT_TYPE_FORM_URLENCODED
r.url, r.headers, r.body = self.client.sign(
unicode(r.url), unicode(r.method), r.body or '', r.headers)
else:
# Omit body data in the signing of non form-encoded requests
r.url, r.headers, _ = self.client.sign(unicode(r.url),
unicode(r.method), None,
r.headers)
# Having the authorization header, key or value, in unicode will
# result in UnicodeDecodeErrors when the request is concatenated
# by httplib. This can easily be seen when attaching files.
# Note that simply encoding the value is not enough since Python
# saves the type of first key set. Thus we remove and re-add.
# >>> d = {u'a':u'foo'}
# >>> d['a'] = 'foo'
# >>> d
# { u'a' : 'foo' }
u_header = unicode('Authorization')
if u_header in r.headers:
auth_header = r.headers[u_header].encode('utf-8')
del r.headers[u_header]
r.headers['Authorization'] = auth_header
return r
class OAuth1(object):
"""Signs the request using OAuth 1 (RFC5849)"""
def __init__(self,
client_key,
client_secret=None,
resource_owner_key=None,
resource_owner_secret=None,
callback_uri=None,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_AUTH_HEADER,
rsa_key=None,
verifier=None,
decoding='utf-8'):
try:
signature_type = signature_type.upper()
except AttributeError:
pass
self.client = Client(client_key,
client_secret,
resource_owner_key,
resource_owner_secret,
callback_uri,
signature_method,
signature_type,
rsa_key,
verifier,
decoding=decoding)
def __call__(self, r):
"""Add OAuth parameters to the request.
Parameters may be included from the body if the content-type is
urlencoded, if no content type is set a guess is made.
"""
# Overwriting url is safe here as request will not modify it past
# this point.
content_type = r.headers.get('Content-Type'.encode('utf-8'), '')
if not isinstance(content_type, unicode):
content_type = content_type.decode('utf-8')
is_form_encoded = (CONTENT_TYPE_FORM_URLENCODED in content_type)
if is_form_encoded or extract_params(r.body):
r.headers['Content-Type'] = CONTENT_TYPE_FORM_URLENCODED
r.url, r.headers, r.body = self.client.sign(
unicode(r.url), unicode(r.method), r.body or '', r.headers)
else:
# Omit body data in the signing of non form-encoded requests
r.url, r.headers, _ = self.client.sign(unicode(r.url),
unicode(r.method), None,
r.headers)
r.url = to_native_str(r.url)
return r
class OAuth1(object):
"""Signs the request using OAuth 1 (RFC5849)"""
def __init__(self, client_key,
client_secret=None,
resource_owner_key=None,
resource_owner_secret=None,
callback_uri=None,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_AUTH_HEADER,
rsa_key=None, verifier=None,
decoding='utf-8'):
try:
signature_type = signature_type.upper()
except AttributeError:
pass
self.client = Client(client_key, client_secret, resource_owner_key,
resource_owner_secret, callback_uri, signature_method,
signature_type, rsa_key, verifier, decoding=decoding)
def __call__(self, r):
"""Add OAuth parameters to the request.
Parameters may be included from the body if the content-type is
urlencoded, if no content type is set a guess is made.
"""
# Overwriting url is safe here as request will not modify it past
# this point.
is_form_encoded = (CONTENT_TYPE_FORM_URLENCODED in
r.headers.get('Content-Type', ''))
if is_form_encoded or extract_params(r.body):
r.headers['Content-Type'] = CONTENT_TYPE_FORM_URLENCODED
r.url, r.headers, r.body = self.client.sign(
unicode(r.url), unicode(r.method), r.body or '', r.headers)
else:
# Omit body data in the signing of non form-encoded requests
r.url, r.headers, _ = self.client.sign(
unicode(r.url), unicode(r.method), None, r.headers)
# Having the authorization header, key or value, in unicode will
# result in UnicodeDecodeErrors when the request is concatenated
# by httplib. This can easily be seen when attaching files.
# Note that simply encoding the value is not enough since Python
# saves the type of first key set. Thus we remove and re-add.
# >>> d = {u'a':u'foo'}
# >>> d['a'] = 'foo'
# >>> d
# { u'a' : 'foo' }
u_header = unicode('Authorization')
if u_header in r.headers:
auth_header = r.headers[u_header].encode('utf-8')
del r.headers[u_header]
r.headers['Authorization'] = auth_header
return r
def make_api_call(consumer_key,
consumer_secret,
access_token_key,
access_token_secret,
method,
params,
api_url,
body=None,
headers=None):
headers = dict(headers or {})
method = method.upper()
params = dict(params, format='json')
if method == 'GET':
full_url = api_url + "?" + urllib.urlencode(params)
elif method == 'POST':
full_url = api_url
body = urllib.urlencode(params)
headers['Content-Type'] = 'application/x-www-form-urlencoded'
else:
raise ValueError('unsupported HTTP method %r' % method)
client = OAClient(consumer_key, client_secret=consumer_secret,
resource_owner_key=access_token_key,
resource_owner_secret=access_token_secret)
full_url, headers, body = client.sign(full_url, method, body, headers)
client = httplib2.Http()
client.disable_ssl_certificate_validation = True
resp, content = client.request(full_url,
method=method,
body=body,
headers=headers)
return content
def __init__(self, handler, **kwargs):
U1Request.__init__(self, handler, kwargs)
self.message.type = protocol_pb2.Message.AUTH_REQUEST
self.states = {protocol_pb2.Message.AUTH_AUTHENTICATED: self.authenticated,
protocol_pb2.Message.ROOT: self.root}
self.end_msg_type = protocol_pb2.Message.ROOT
# retrieve our OAuth credentials from file
def credentials_from_file():
"""Extracts the OAuth credentials from file"""
with open(AuthRequest.CREDENTIALS_FILE) as f:
jsoncreds = json.loads(f.read())
return jsoncreds
oauth_creds = credentials_from_file()
# Sign the message with oauth
client = Client(oauth_creds["consumer_key"], oauth_creds["consumer_secret"],
oauth_creds["token"], oauth_creds["token_secret"],
signature_method=SIGNATURE_PLAINTEXT,
signature_type=SIGNATURE_TYPE_QUERY)
url, headers, body = client.sign('http://server')
# Parse out the authentication parameters from the query string.
auth_parameters = dict((name, value) for name, value in
parse_qsl(urlparse(url).query)
if name.startswith('oauth_'))
# add the authentication informations to the protobuf
for key, value in auth_parameters.items():
newparam = self.message.auth_parameters.add() # create a new parameter
newparam.name = key
newparam.value = value
def oauth1(self):
auth_url = self.url_base + '/session'
oauth1_client = Client(
self.server_token['consumer_key'],
client_secret=self.server_token['consumer_secret'],
resource_owner_key=self.server_token['access_token'],
resource_owner_secret=self.server_token['access_secret'])
uri, headers, body = oauth1_client.sign(auth_url)
request = Request(auth_url)
request.add_header('Authorization', headers['Authorization'])
request.add_header('Content-Type', 'application/json;charset=UTF8')
request.add_header('X-Server-Protocol-Version', '2')
response = urlopen(request).read()
# TODO: catch HTTP errors here, do something useful
resp_dict = json.loads(response)
self.session_token = resp_dict['auth_session_token']
if self.new_session_callback:
self.new_session_callback(self.session_token)
return self.session_token
def get_access_token(consumer_key,
consumer_secret,
req_token_key,
req_token_secret,
verifier,
access_token_url,
validate_certs=True):
method = 'GET'
params = {'format': 'json', 'oauth_callback': 'oob'}
# they're really serious about that oob
full_url = access_token_url + "&" + urllib.urlencode(params)
client = OAClient(consumer_key,
client_secret=consumer_secret,
resource_owner_key=req_token_key,
resource_owner_secret=req_token_secret,
verifier=verifier,
signature_type=SIGNATURE_TYPE_QUERY)
full_url, headers, body = client.sign(full_url, method)
client = httplib2.Http()
client.disable_ssl_certificate_validation = not validate_certs
resp, content = client.request(full_url, method=method)
try:
resp_dict = json.loads(content)
acc_token_key, acc_token_secret = resp_dict['key'], resp_dict['secret']
except:
raise ValueError('access token step failed: %s\n\nheaders, etc.: %s'
% (content, pformat(resp)))
return acc_token_key, acc_token_secret
def oauth1(self):
auth_url = self.url_base + '/session'
oauth1_client = Client(
self.server_token['consumer_key'],
client_secret=self.server_token['consumer_secret'],
resource_owner_key=self.server_token['access_token'],
resource_owner_secret=self.server_token['access_secret'])
uri, headers, body = oauth1_client.sign(auth_url)
request = Request(auth_url)
request.add_header('Authorization', headers['Authorization'])
request.add_header('Content-Type', 'application/json;charset=UTF8')
request.add_header('X-Server-Protocol-Version', '2')
response = urlopen(request).read()
# TODO: catch HTTP errors here, do something useful
resp_dict = json.loads(response)
self.session_token = resp_dict['auth_session_token']
if self.new_session_callback:
self.new_session_callback(self.session_token)
return self.session_token
def sign_request(self, url, method, body, headers):
"""Sign a request with OAuth credentials."""
# 2012-11-19 BAW: In order to preserve API backward compatibility,
# convert empty string body to None. The old python-oauth library
# would treat the empty string as "no body", but python-oauthlib
# requires None.
if not body:
content_type = headers.get('Content-Type')
if content_type == 'application/x-www-form-urlencoded':
body = ''
else:
body = None
# Import oauthlib here so that you don't need it if you're not going
# to use it. Plan B: move this out into a separate oauth module.
from oauthlib.oauth1 import Client
from oauthlib.oauth1.rfc5849 import SIGNATURE_PLAINTEXT
oauth_client = Client(self.consumer_key,
self.consumer_secret,
self.token_key,
self.token_secret,
signature_method=SIGNATURE_PLAINTEXT,
realm=self.oauth_realm)
uri, signed_headers, body = oauth_client.sign(url, method, body,
headers)
headers.update(signed_headers)
def __init__(self, handler, **kwargs):
U1Request.__init__(self, handler, kwargs)
self.message.type = protocol_pb2.Message.AUTH_REQUEST
self.states = {
protocol_pb2.Message.AUTH_AUTHENTICATED: self.authenticated,
protocol_pb2.Message.ROOT: self.root
}
self.end_msg_type = protocol_pb2.Message.ROOT
# retrieve our OAuth credentials from file
def credentials_from_file():
"""Extracts the OAuth credentials from file"""
with open(AuthRequest.CREDENTIALS_FILE) as f:
jsoncreds = json.loads(f.read())
return jsoncreds
oauth_creds = credentials_from_file()
# Sign the message with oauth
client = Client(oauth_creds["consumer_key"],
oauth_creds["consumer_secret"],
oauth_creds["token"],
oauth_creds["token_secret"],
signature_method=SIGNATURE_PLAINTEXT,
signature_type=SIGNATURE_TYPE_QUERY)
url, headers, body = client.sign('http://server')
# Parse out the authentication parameters from the query string.
auth_parameters = dict(
(name, value) for name, value in parse_qsl(urlparse(url).query)
if name.startswith('oauth_'))
# add the authentication informations to the protobuf
for key, value in auth_parameters.items():
newparam = self.message.auth_parameters.add(
) # create a new parameter
newparam.name = key
newparam.value = value
def launch(CFG, url, post, status=200) :
header = {'Content-Type' : 'application/x-www-form-urlencoded'}
client = Client(CFG.oauth_consumer_key, client_secret=CFG.oauth_secret, signature_type='BODY')
uri, headers, body = client.sign(url, 'POST', post, header)
print('\nLaunching to',url,end=' ')
r = requests.post(url, data=body, headers=headers, allow_redirects=False)
if ( r.status_code == 302 or r.status_code == 303 ) :
new_url = r.headers.get('Location', False)
if new_url is False:
print('No Location header found on redirect')
dumpr(r)
abort()
error_url = post.get('launch_presentation_return_url', False)
if ( new_url.startswith(error_url) ) :
if ( status == 200 ) :
print('Expected a successful launch')
dumpr(r)
abort()
print('Received 302 - Success')
return r
print('\nFollowing redirect', new_url,end=' ')
r = requests.get(new_url, cookies=r.cookies)
if ( status != 200 ) :
print('Expected a failed launch')
dumpr(r)
abort()
print('Received 200 - Success')
return r
def get_login_url(self, request):
client = Client(client_key = unicode(self.get_client_key()),
client_secret = unicode(self.get_client_secret()),
resource_owner_key = u'',
resource_owner_secret = u'',
callback_uri = unicode(self.get_redirect_url(request)),
signature_type = SIGNATURE_TYPE_QUERY)
token_url, _token_body, _token_headers = client.sign(unicode(self.get_request_token_uri()))
res = requests.get(token_url)
res_data = urlparse.parse_qs(res.text)
if 'oauth_token' not in res_data:
raise BackendError("Oauth provider didn't return access_token. %s" % res.text)
request.session[OAUTH_TOKEN_SECRET_KEY] = res_data['oauth_token_secret'][0]
authorization_url = self.get_authorize_token_uri()
authorization_params = {'oauth_token': res_data['oauth_token'][0], 'oauth_callback': self.get_redirect_url(request)}
url_parts = list(urlparse.urlparse(authorization_url))
query = dict(urlparse.parse_qsl(url_parts[4]))
query.update(authorization_params)
url_parts[4] = urllib.urlencode(query)
return urlparse.urlunparse(url_parts)
class OauthRequests:
def __init__(self, secret_key, client_key, defaults=None):
self.defaults = {
"devId": "c55b00b5-dead-beef-cafe-babefac3b001",
"user-agent": "Samsung - 4.4.2 - API 19 - 1024x600 Android 4.4.2",
"locale": "en"
}
if defaults:
self.defaults.update(defaults)
self.secret_key = secret_key
self.client_key = client_key
self.oauth = Client(client_key, client_secret=secret_key)
@cached_request
def __call__(self, url, params=None):
params = params or {}
url = url_set_params(url, params)
url, headers, _ = self.oauth.sign(url)
headers.update(self.defaults)
req = requests.get(url, headers=headers)
if req.status_code != 200:
logging.error("code %d: %s", req.status_code, req.text)
return req
def get_session(self, **kwargs):
if self.get_backend_name() in kwargs:
auth_obj = kwargs[self.get_backend_name()]
request = auth_obj
if 'oauth_token' not in request.REQUEST:
raise BackendError("Oauth provider didn't return access_token")
oauth_token = request.REQUEST.get('oauth_token')
oauth_verifier = request.REQUEST.get('oauth_verifier')
client = Client(client_key = unicode(self.get_client_key()),
client_secret = unicode(self.get_client_secret()),
resource_owner_key = unicode(oauth_token),
resource_owner_secret = unicode(request.session[OAUTH_TOKEN_SECRET_KEY]),
verifier = unicode(oauth_verifier),
signature_type = SIGNATURE_TYPE_QUERY)
access_url, _access_body, _access_header = client.sign(unicode(self.get_access_token_uri()))
res = requests.get(access_url)
res_data = urlparse.parse_qs(res.text)
if 'oauth_token' not in res_data:
raise BackendError("Oauth provider didn't return access_token. %s" % res.text)
access_tokens = {
'oauth_token_secret': res_data['oauth_token_secret'][0],
'oauth_token': res_data['oauth_token'][0]
}
return self._get_session(**access_tokens)
def sign_get_query(self, url=None):
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_QUERY)
uri = update_url_params(url or self.service.service.url, self.parameters)
query, headers, body = client.sign(uri, http_method="GET")
return query
def sign_get_query(self, url=None):
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_QUERY)
uri = update_url_params(url or self.service.service.url,
self.parameters)
query, headers, body = client.sign(uri, http_method="GET")
return query
def test_enforce_ssl(self):
"""Ensure SSL is enforced by default."""
v = RequestValidator()
e = BaseEndpoint(v)
c = Client('foo')
u, h, b = c.sign('http://example.com')
r = e._create_request(u, 'GET', b, h)
self.assertRaises(errors.InsecureTransportError,
e._check_transport_security, r)
def test_enforce_ssl(self):
"""Ensure SSL is enforced by default."""
v = RequestValidator()
e = BaseEndpoint(v)
c = Client('foo')
u, h, b = c.sign('http://example.com')
r = e._create_request(u, 'GET', b, h)
self.assertRaises(errors.InsecureTransportError,
e._check_transport_security, r)
def sign_post_parameters(self, url=None):
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_BODY)
uri, headers, body = client.sign(url or self.service.url,
http_method="POST",
body=self.parameters,
headers={"Content-Type": "application/x-www-form-urlencoded"})
return urldecode(body)
def sign_post_parameters(self, url=None):
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_BODY)
uri, headers, body = client.sign(self._get_url(url),
http_method="POST",
body=self.parameters,
headers={"Content-Type": "application/x-www-form-urlencoded"})
return urldecode(body)
def sign_get_query(self, url=None):
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_QUERY)
uri = update_url_params(self._get_url(url), self.parameters)
try:
query, headers, body = client.sign(uri, http_method="GET")
except ValueError as e:
raise ValueError("Invalid url %r for %r: %s" % (uri, self.service, e))
return query
async def _connect(
self, method, endpoint, params={}, headers=None, body=None
):
oauth_client = OAuthClient(self.consumer_key, self.consumer_secret,
self.access_token, self.access_token_secret)
url = f"https://stream.twitter.com/1.1/{endpoint}.json"
url = str(URL(url).with_query(sorted(params.items())))
url, headers, body = oauth_client.sign(
url, http_method=method, headers=headers, body=body
)
await super()._connect(method, url, headers=headers, body=body)
def sign_get_query(self, url=None):
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_QUERY)
uri = update_url_params(self._get_url(url), self.parameters)
try:
query, headers, body = client.sign(uri, http_method="GET")
except ValueError as e:
raise ValueError("Invalid url %r for %r: %s" % (uri, self.service, e))
return query
def getAuthorization(self, method, url, callback=None, verifier=None):
client = Client(
safe_unicode(self.consumer_key),
safe_unicode(self.consumer_secret),
safe_unicode(self.key),
safe_unicode(self.secret),
callback_uri=safe_unicode(callback),
verifier=safe_unicode(verifier),
)
safe_method = safe_unicode(method)
safe_url = safe_unicode(url)
# data is omitted because no www-form-encoded data
_, header, _ = client.sign(safe_url, safe_method)
return header
def xauth(base_url_template=DEFAULT_READER_URL_TEMPLATE, **xargs):
"""
Returns an OAuth token tuple that can be used with clients.ReaderClient.
:param base_url_template: Template for generating Readability API urls.
:param consumer_key: Readability consumer key, otherwise read from READABILITY_CONSUMER_KEY.
:param consumer_secret: Readability consumer secret, otherwise read from READABILITY_CONSUMER_SECRET.
:param username: A username, otherwise read from READABILITY_USERNAME.
:param password: A password, otherwise read from READABILITY_PASSWORD.
"""
consumer_key = xargs.get('consumer_key') or required_from_env(
'READABILITY_CONSUMER_KEY')
consumer_secret = xargs.get('consumer_secret') or required_from_env(
'READABILITY_CONSUMER_SECRET')
username = xargs.get('username') or required_from_env(
'READABILITY_USERNAME')
password = xargs.get('password') or required_from_env(
'READABILITY_PASSWORD')
client = Client(consumer_key,
client_secret=consumer_secret,
signature_type='BODY')
url = base_url_template.format(ACCESS_TOKEN_URL)
headers = {'Content-Type': 'application/x-www-form-urlencoded'}
params = {
'x_auth_username': username,
'x_auth_password': password,
'x_auth_mode': 'client_auth'
}
uri, headers, body = client.sign(url,
http_method='POST',
body=urlencode(params),
headers=headers)
response = requests.post(uri, data=body)
logger.debug('POST to %s.', uri)
token = parse_qs(response.content)
try:
# The indexes below are a little weird. parse_qs above gives us
# back a dict where each value is a list. We want the first value
# in those lists.
token = (token[b'oauth_token'][0].decode(),
token[b'oauth_token_secret'][0].decode())
except KeyError:
raise ValueError('Invalid Credentials.')
return token
def getAuthorization(self, method, url, callback=None, verifier=None):
client = Client(
safe_unicode(self.consumer_key),
safe_unicode(self.consumer_secret),
safe_unicode(self.key),
safe_unicode(self.secret),
callback_uri=safe_unicode(callback),
verifier=safe_unicode(verifier),
)
safe_method = safe_unicode(method)
safe_url = safe_unicode(url)
# data is omitted because no www-form-encoded data
_, header, _ = client.sign(safe_url, safe_method)
return header
def getAuthorization(self, request):
client = Client(
safe_unicode(self.client_key),
safe_unicode(self.client_secret),
safe_unicode(self.key),
safe_unicode(self.secret),
callback_uri=safe_unicode(self.callback),
verifier=safe_unicode(self.verifier),
)
method = safe_unicode(request.get_method())
url = safe_unicode(request.get_full_url())
# data is omitted because no www-form-encoded data
uri, headers, body = client.sign(url, method)
return headers['Authorization']
def getAuthorization(self, request):
client = Client(
safe_unicode(self.client_key),
safe_unicode(self.client_secret),
safe_unicode(self.key),
safe_unicode(self.secret),
callback_uri=safe_unicode(self.callback),
verifier=safe_unicode(self.verifier),
)
method = safe_unicode(request.get_method())
url = safe_unicode(request.get_full_url())
# data is omitted because no www-form-encoded data
uri, headers, body = client.sign(url, method)
return headers["Authorization"]
class YelpAsyncAPI:
def __init__(self):
# set oauth
consumer_key = os.environ["YELP_CONSUMER_KEY"]
consumer_secret = os.environ['YELP_CONSUMER_SECRET']
token = os.environ['YELP_TOKEN']
token_secret = os.environ['YELP_TOKEN_SECRET']
if consumer_key is None or consumer_secret is None or token is None or token_secret is None:
raise NoKeyError
self.client = Client( consumer_key,
client_secret=consumer_secret,
resource_owner_key=token,
resource_owner_secret=token_secret)
@asyncio.coroutine
def send_query(self, uri, params=None):
if params:
params = self.clean_params(params)
logger.debug("yelp send:%s", params)
uri = uri + "?" + params
uri, headers, _ = self.client.sign(uri)
response = yield from aiohttp.request(
'GET',
uri,
headers=headers)
data = json.loads((yield from response.read()).decode('utf8'))
if 'error' in data:
logger.debug(data)
raise YelpError(msg=data['error']['text'])
return data
def clean_params(self, params):
clean_params = {}
for key in params:
value = params[key]
if value:
clean_params[key] = str(value).replace(' ', '+')
return urlencode(clean_params)
@asyncio.coroutine
def search(self, **kwargs):
SEARCH_URI = 'http://api.yelp.com/v2/search'
params=kwargs
data = yield from self.send_query(SEARCH_URI, params=params)
return data['businesses']
def xauth(base_url_template=DEFAULT_READER_URL_TEMPLATE, **xargs):
"""
Returns an OAuth token tuple that can be used with clients.ReaderClient.
:param base_url_template: Template for generating Readability API urls.
:param consumer_key: Readability consumer key, otherwise read from READABILITY_CONSUMER_KEY.
:param consumer_secret: Readability consumer secret, otherwise read from READABILITY_CONSUMER_SECRET.
:param username: A username, otherwise read from READABILITY_USERNAME.
:param password: A password, otherwise read from READABILITY_PASSWORD.
"""
consumer_key = xargs.get('consumer_key') or required_from_env('READABILITY_CONSUMER_KEY')
consumer_secret = xargs.get('consumer_secret') or required_from_env('READABILITY_CONSUMER_SECRET')
username = xargs.get('username') or required_from_env('READABILITY_USERNAME')
password = xargs.get('password') or required_from_env('READABILITY_PASSWORD')
client = Client(consumer_key, client_secret=consumer_secret, signature_type='BODY')
url = base_url_template.format(ACCESS_TOKEN_URL)
headers = {'Content-Type': 'application/x-www-form-urlencoded'}
params = {
'x_auth_username': username,
'x_auth_password': password,
'x_auth_mode': 'client_auth'
}
uri, headers, body = client.sign(url,
http_method='POST',
body=urlencode(params),
headers=headers)
response = requests.post(uri, data=body)
logger.debug('POST to %s.', uri)
token = parse_qs(response.content)
try:
# The indexes below are a little weird. parse_qs above gives us
# back a dict where each value is a list. We want the first value
# in those lists.
token = (token[b'oauth_token'][0].decode(), token[b'oauth_token_secret'][0].decode())
except KeyError:
raise ValueError('Invalid Credentials.')
return token
def _sign_lti_message(body, key, secret, url):
client = Client(client_key=key, client_secret=secret)
__, headers, __ = client.sign(
unicode(url),
http_method=u'POST',
body=body,
headers={'Content-Type': 'application/x-www-form-urlencoded'})
auth_header = headers['Authorization'][len('OAuth '):]
auth = dict([
param.strip().replace('"', '').split('=')
for param in auth_header.split(',')
])
body['oauth_nonce'] = auth['oauth_nonce']
body['oauth_signature'] = auth['oauth_signature']
body['oauth_timestamp'] = auth['oauth_timestamp']
body['oauth_signature_method'] = auth['oauth_signature_method']
body['oauth_version'] = auth['oauth_version']
def _sign_lti_message(self, body, key, secret, url):
client = Client(client_key=key, client_secret=secret)
__, headers, __ = client.sign(
url,
http_method=u"POST",
body=body,
headers={"Content-Type": "application/x-www-form-urlencoded"},
)
auth_header = headers["Authorization"][len("OAuth "):]
auth = dict([
param.strip().replace('"', "").split("=")
for param in auth_header.split(",")
])
body["oauth_nonce"] = auth["oauth_nonce"]
body["oauth_signature"] = auth["oauth_signature"]
body["oauth_timestamp"] = auth["oauth_timestamp"]
body["oauth_signature_method"] = auth["oauth_signature_method"]
body["oauth_version"] = auth["oauth_version"]
def _sign_lti_message(body, key, secret, url):
client = Client(
client_key=key,
client_secret=secret
)
__, headers, __ = client.sign(
unicode(url),
http_method=u'POST',
body=body,
headers={'Content-Type': 'application/x-www-form-urlencoded'}
)
auth_header = headers['Authorization'][len('OAuth '):]
auth = dict([param.strip().replace('"', '').split('=') for param in auth_header.split(',')])
body['oauth_nonce'] = auth['oauth_nonce']
body['oauth_signature'] = auth['oauth_signature']
body['oauth_timestamp'] = auth['oauth_timestamp']
body['oauth_signature_method'] = auth['oauth_signature_method']
body['oauth_version'] = auth['oauth_version']
class OAuth1(object):
'''gets an OAuth 1 (RFC5849) header'''
authstr = 'Authorization'
def __init__(self,
callback_uri=None,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_AUTH_HEADER,
rsa_key=None,
verifier=None,
decoding='utf-8',
**kwargs):
kwargs = DotDot(kwargs)
if signature_type:
signature_type = signature_type.upper()
self.client = Client(kwargs.consumer_key,
kwargs.consumer_secret,
kwargs.access_token_key,
kwargs.access_token_secret,
callback_uri,
signature_method,
signature_type,
rsa_key,
verifier,
decoding=decoding)
def get_oath_header(self, url, http_method, parms):
'''call it to get a recalculated OAuth1 header
:param str url: request URL
:param str http_method: request method GET|POST|PUT etc.......
:param dict parms: request parameters
:return: an OAuth 1 header
'''
rt = self.client.sign('%s?%s' % (url, urlencode(parms)),
http_method=http_method)
return "%s: %s" % (self.authstr, rt[1][self.authstr].encode('utf-8'))
def sign_request(self, url, method, body, headers):
"""Sign a request with OAuth credentials."""
# 2012-11-19 BAW: In order to preserve API backward compatibility,
# convert empty string body to None. The old python-oauth library
# would treat the empty string as "no body", but python-oauthlib
# requires None.
if not body:
content_type = headers.get('Content-Type')
if content_type == 'application/x-www-form-urlencoded':
body = ''
else:
body = None
# Import oauthlib here so that you don't need it if you're not going
# to use it. Plan B: move this out into a separate oauth module.
from oauthlib.oauth1 import Client
from oauthlib.oauth1.rfc5849 import SIGNATURE_PLAINTEXT
oauth_client = Client(self.consumer_key, self.consumer_secret,
self.token_key, self.token_secret,
signature_method=SIGNATURE_PLAINTEXT,
realm=self.oauth_realm)
uri, signed_headers, body = oauth_client.sign(
url, method, body, headers)
headers.update(signed_headers)
class OAuth1(object):
'''gets an OAuth 1 (RFC5849) header'''
authstr = 'Authorization'
def __init__(
self,
callback_uri=None,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_AUTH_HEADER,
rsa_key=None,
verifier=None,
decoding='utf-8',
**kwargs):
kwargs = DotDot(kwargs)
if signature_type:
signature_type = signature_type.upper()
self.client = Client(
kwargs.consumer_key,
kwargs.consumer_secret,
kwargs.access_token_key,
kwargs.access_token_secret,
callback_uri, signature_method,
signature_type, rsa_key, verifier, decoding=decoding)
def get_oath_header(self, url, http_method, parms):
'''call it to get a recalculated OAuth1 header
:param str url: request URL
:param str http_method: request method GET|POST|PUT etc.......
:param dict parms: request parameters
:return: an OAuth 1 header
'''
rt = self.client.sign('%s?%s' % (url, urlencode(parms)), http_method=http_method)
return "%s: %s" % (self.authstr, rt[1][self.authstr].encode('utf-8'))
def _get_oauth_headers(self, method, url, data=None, headers=None):
"""Basic wrapper around oauthlib that we use for Twitter and Flickr."""
# "Client" == "Consumer" in oauthlib parlance.
key = self._account.consumer_key
secret = self._account.consumer_secret
# "resource_owner" == secret and token.
resource_owner_key = self._get_access_token()
resource_owner_secret = self._account.secret_token
oauth_client = Client(key, secret, resource_owner_key,
resource_owner_secret)
headers = headers or {}
if data is not None:
headers['Content-Type'] = 'application/x-www-form-urlencoded'
# All we care about is the headers, which will contain the
# Authorization header necessary to satisfy OAuth.
uri, headers, body = oauth_client.sign(url,
body=data,
headers=headers or {},
http_method=method)
return headers
async def _connect(self,
method,
endpoint,
params={},
headers=None,
body=None):
error_count = 0
# https://developer.twitter.com/en/docs/twitter-api/v1/tweets/filter-realtime/guides/connecting
stall_timeout = 90
network_error_wait = network_error_wait_step = 0.25
network_error_wait_max = 16
http_error_wait = http_error_wait_start = 5
http_error_wait_max = 320
http_420_error_wait_start = 60
oauth_client = OAuthClient(self.consumer_key, self.consumer_secret,
self.access_token, self.access_token_secret)
if self.session is None or self.session.closed:
self.session = aiohttp.ClientSession(
headers={"User-Agent": self.user_agent},
timeout=aiohttp.ClientTimeout(sock_read=stall_timeout))
url = f"https://stream.twitter.com/1.1/{endpoint}.json"
url = str(URL(url).with_query(sorted(params.items())))
try:
while error_count <= self.max_retries:
request_url, request_headers, request_body = oauth_client.sign(
url, method, body, headers)
try:
async with self.session.request(method,
request_url,
headers=request_headers,
data=request_body,
proxy=self.proxy) as resp:
if resp.status == 200:
error_count = 0
http_error_wait = http_error_wait_start
network_error_wait = network_error_wait_step
await self.on_connect()
async for line in resp.content:
line = line.strip()
if line:
await self.on_data(line)
else:
await self.on_keep_alive()
await self.on_closed(resp)
else:
await self.on_request_error(resp.status)
error_count += 1
if resp.status == 420:
if http_error_wait < http_420_error_wait_start:
http_error_wait = http_420_error_wait_start
await asyncio.sleep(http_error_wait)
http_error_wait *= 2
if resp.status != 420:
if http_error_wait > http_error_wait_max:
http_error_wait = http_error_wait_max
except (aiohttp.ClientConnectionError,
aiohttp.ClientPayloadError) as e:
await self.on_connection_error()
await asyncio.sleep(network_error_wait)
network_error_wait += network_error_wait_step
if network_error_wait > network_error_wait_max:
network_error_wait = network_error_wait_max
except asyncio.CancelledError:
return
except Exception as e:
await self.on_exception(e)
finally:
await self.session.close()
await self.on_disconnect()
def SignedTestRequest(form=None, consumer=None, token=None, method=None,
url=None, callback=None, timestamp=None, verifier=None,
signature_type='AUTH_HEADER', raw_body=None,
*a, **kw):
"""\
Creates a signed TestRequest
"""
def safe_unicode(s):
# I really really hate oauthlib's insistence on using unicode
# on things that are really bytes.
if isinstance(s, str):
return unicode(s)
return s
if not consumer:
raise ValueError('consumer must be provided to build a signed request')
if form is None:
form = {}
result = TestRequest(form=form, url=url, method=method, *a, **kw)
if raw_body:
result.stdin.write(raw_body)
url = url or result.getURL()
url = safe_unicode(url)
method = method and safe_unicode(method) or safe_unicode(result.method)
timestamp = timestamp or unicode(int(time()))
token_key = token and token.key
token_secret = token and token.secret
client = Client(
safe_unicode(consumer.key),
safe_unicode(consumer.secret),
safe_unicode(token_key),
safe_unicode(token_secret),
safe_unicode(callback),
verifier=safe_unicode(verifier),
timestamp=timestamp,
signature_type=signature_type,
)
if result.getHeader('Content-Type') == 'application/x-www-form-urlencoded':
headers = {'Content-Type': 'application/x-www-form-urlencoded'}
url_signed, headers, body = client.sign(url, method,
body=raw_body, headers=headers)
else:
url_signed, headers, body = client.sign(url, method)
# lazy not importing oauthlib tokens.
if signature_type == 'AUTH_HEADER':
result._auth = headers['Authorization']
return result
elif signature_type == 'QUERY':
qs = urlparse.urlsplit(url_signed).query
result = TestRequest(form=form, url=url, QUERY_STRING=qs, *a, **kw)
if raw_body:
result.stdin.write(raw_body)
return result
def get_common_objects(self):
super().get_common_objects()
user = self.request.user
# Determine user ID.
student_id = "aplusuid%d" % (user.pk)
if self.profile.student_id:
student_id = self.profile.student_id
# MD5 the user id so that the real student id and names or emails
# are not linked in external services.
student_id = hashlib.md5(student_id.encode('utf-8')).hexdigest()
# Determine user role.
role = "Student"
if self.is_teacher:
role = "Instructor"
elif self.is_assistant:
role = "TA,TeachingAssistant"
parameters = {
"lti_version": "LTI-1p0",
"lti_message_type": "basic-lti-launch-request",
"resource_link_id": "aplus%d" % (self.service.pk),
"resource_link_title": self.menu_item.label,
# User session.
"user_id": student_id,
"roles": role,
"lis_person_name_full": "%s %s" % (user.first_name, user.last_name),
"lis_person_name_given": user.first_name,
"lis_person_name_family": user.last_name,
"lis_person_contact_email_primary": user.email,
# Selected course.
"context_id": self.request.get_host() \
+ self.instance.get_absolute_url(),
"context_title": self.course.name,
"context_label": self.course.code,
"launch_presentation_locale": get_language(),
"tool_consumer_instance_guid": self.request.get_host() + "/aplus",
"tool_consumer_instance_name": "A+ LMS",
}
headers = {
"Content-Type": "application/x-www-form-urlencoded",
}
# Sign the request using OAuth.
client = Client(self.service.consumer_key,
client_secret=self.service.consumer_secret,
signature_method=SIGNATURE_HMAC,
signature_type=SIGNATURE_TYPE_BODY)
uri, headers, body = client.sign(self.service.url,
http_method="POST",
body=parameters,
headers=headers)
self.url = uri
self.parameters = urldecode(body)
self.note("url", "parameters")
class BaseEndpointTest(TestCase):
def setUp(self):
self.validator = MagicMock(spec=RequestValidator)
self.validator.allowed_signature_methods = ['HMAC-SHA1']
self.validator.timestamp_lifetime = 600
self.endpoint = RequestTokenEndpoint(self.validator)
self.client = Client('foo', callback_uri='https://c.b/cb')
self.uri, self.headers, self.body = self.client.sign(
'https://i.b/request_token')
def test_ssl_enforcement(self):
uri, headers, _ = self.client.sign('http://i.b/request_token')
h, b, s = self.endpoint.create_request_token_response(uri,
headers=headers)
self.assertEqual(s, 400)
self.assertIn('insecure_transport_protocol', b)
def test_missing_parameters(self):
h, b, s = self.endpoint.create_request_token_response(self.uri)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_signature_methods(self):
headers = {}
headers['Authorization'] = self.headers['Authorization'].replace(
'HMAC', 'RSA')
h, b, s = self.endpoint.create_request_token_response(self.uri,
headers=headers)
self.assertEqual(s, 400)
self.assertIn('invalid_signature_method', b)
def test_invalid_version(self):
headers = {}
headers['Authorization'] = self.headers['Authorization'].replace(
'1.0', '2.0')
h, b, s = self.endpoint.create_request_token_response(self.uri,
headers=headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_expired_timestamp(self):
headers = {}
for pattern in ('12345678901', '4567890123', '123456789K'):
headers['Authorization'] = sub(r'timestamp="\d*k?"',
'timestamp="%s"' % pattern,
self.headers['Authorization'])
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_client_key_check(self):
self.validator.check_client_key.return_value = False
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=self.headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_noncecheck(self):
self.validator.check_nonce.return_value = False
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=self.headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_enforce_ssl(self):
"""Ensure SSL is enforced by default."""
v = RequestValidator()
e = BaseEndpoint(v)
c = Client('foo')
u, h, b = c.sign('http://example.com')
r = e._create_request(u, 'GET', b, h)
self.assertRaises(errors.InsecureTransportError,
e._check_transport_security, r)
def test_multiple_source_params(self):
"""Check for duplicate params"""
v = RequestValidator()
e = BaseEndpoint(v)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/?oauth_signature_method=HMAC-SHA1',
'GET', 'oauth_version=foo', URLENCODED)
headers = {'Authorization': 'OAuth oauth_signature="foo"'}
headers.update(URLENCODED)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/?oauth_signature_method=HMAC-SHA1',
'GET', 'oauth_version=foo', headers)
headers = {'Authorization': 'OAuth oauth_signature_method="foo"'}
headers.update(URLENCODED)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/', 'GET', 'oauth_signature=foo',
headers)
def test_duplicate_params(self):
"""Ensure params are only supplied once"""
v = RequestValidator()
e = BaseEndpoint(v)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/?oauth_version=a&oauth_version=b',
'GET', None, URLENCODED)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/', 'GET',
'oauth_version=a&oauth_version=b', URLENCODED)
def test_mandated_params(self):
"""Ensure all mandatory params are present."""
v = RequestValidator()
e = BaseEndpoint(v)
r = e._create_request(
'https://a.b/', 'GET',
'oauth_signature=a&oauth_consumer_key=b&oauth_nonce', URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
def test_oauth_version(self):
"""OAuth version must be 1.0 if present."""
v = RequestValidator()
e = BaseEndpoint(v)
r = e._create_request(
'https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_timestamp=a&oauth_signature_method=RSA-SHA1&'
'oauth_version=2.0'), URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
def test_oauth_timestamp(self):
"""Check for a valid UNIX timestamp."""
v = RequestValidator()
e = BaseEndpoint(v)
# Invalid timestamp length, must be 10
r = e._create_request(
'https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=123456789'), URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
# Invalid timestamp age, must be younger than 10 minutes
r = e._create_request(
'https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=1234567890'), URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
# Timestamp must be an integer
r = e._create_request(
'https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=123456789a'), URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
def test_case_insensitive_headers(self):
"""Ensure headers are case-insensitive"""
v = RequestValidator()
e = BaseEndpoint(v)
r = e._create_request(
'https://a.b', 'POST',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=123456789a'), URLENCODED)
self.assertIsInstance(r.headers, CaseInsensitiveDict)
def test_signature_method_validation(self):
"""Ensure valid signature method is used."""
body = ('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=%s&'
'oauth_timestamp=1234567890')
uri = 'https://example.com/'
class HMACValidator(RequestValidator):
@property
def allowed_signature_methods(self):
return (SIGNATURE_HMAC, )
v = HMACValidator()
e = BaseEndpoint(v)
r = e._create_request(uri, 'GET', body % 'RSA-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'PLAINTEXT', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'shibboleth', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
class RSAValidator(RequestValidator):
@property
def allowed_signature_methods(self):
return (SIGNATURE_RSA, )
v = RSAValidator()
e = BaseEndpoint(v)
r = e._create_request(uri, 'GET', body % 'HMAC-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'PLAINTEXT', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'shibboleth', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
class PlainValidator(RequestValidator):
@property
def allowed_signature_methods(self):
return (SIGNATURE_PLAINTEXT, )
v = PlainValidator()
e = BaseEndpoint(v)
r = e._create_request(uri, 'GET', body % 'HMAC-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'RSA-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'shibboleth', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
async def _call_twitter_api_once(
client: httpx.Client,
api_endpoint: str,
params: Dict[str, str],
*,
oauth_client: oauth1.Client,
get_n_tweets: Callable[[Dict[str, Any]], int],
get_max_tweet_id: Callable[[Dict[str, Any]], int],
get_next_token: Callable[[Dict[str, Any]], Union[int, Optional[str]]],
) -> Tuple[Optional[ResultPart], Optional[Union[int, str]]]:
"""Send a single request to the Twitter API; return (ResultPart, next_token).
If the result has no tweets, return `None`.
Otherwise, wrap the result in a `ResultPart`.
Undefined behavior if `get_n_tweets()` raises an error, or if Twitter
returns non-JSON.
For Twitter API v1, "get_next_token" can return the minimum tweet ID.
Callers can use that to construct a "max_id" for a subsequent request.
"""
HEADERS = {"Accept": "application/json"}
api_params = urlencode(list(sorted(params.items())))
url = f"https://api.twitter.com/{api_endpoint}?{api_params}"
url, headers, body = oauth_client.sign(url, headers=HEADERS)
body = io.BytesIO()
try:
result = await download(url,
body,
headers=headers,
httpx_client=client)
except HttpErrorNotSuccess as err:
return (
ResultPart(
"API-ERROR.lz4",
mtime=parsedate_to_datetime(
err.response.headers["date"]).timestamp(),
api_endpoint=api_endpoint,
api_params=api_params,
http_status=str(err.response.status_code),
body=_lz4_compress(body.getbuffer()),
),
None,
)
except HttpError as err:
return (
ResultPart(
"NETWORK-ERROR.json.lz4",
mtime=datetime.datetime.utcnow().timestamp(),
api_endpoint=api_endpoint,
api_params=api_params,
body=_lz4_compress(
_utf8_json_encode(err.i18n_message._asdict())),
),
None,
)
# missing HTTP date header? Undefined behavior
date_header_value = next(value for key, value in result.headers
if key.lower() == "date")
# not valid UTF-8 JSON? Undefined behavior
data = json.loads(str(body.getvalue(), encoding="utf-8"))
# missing JSON fields, or not Array response? Undefined behavior
n_tweets = get_n_tweets(data)
if n_tweets == 0:
return None, None # don't write this API response to the tarfile
max_tweet_id = get_max_tweet_id(data)
next_token = get_next_token(data)
return (
ResultPart(
"%d.json.lz4" % max_tweet_id,
# invalid date format? Undefined behavior
mtime=parsedate_to_datetime(date_header_value).timestamp(),
api_endpoint=api_endpoint,
api_params=api_params,
http_status=str(result.status_code),
n_tweets=n_tweets,
body=_lz4_compress(body.getbuffer()),
),
next_token,
)
class TumblrClient(object):
api_base_url = 'https://api.tumblr.com/v2/'
request_token_url = 'https://www.tumblr.com/oauth/request_token'
authorization_url = 'https://www.tumblr.com/oauth/authorize'
access_token_url = 'https://www.tumblr.com/oauth/access_token'
def __init__(self, consumer_key: str, consumer_secret: str, resource_owner_key: Optional[str] = None,
resource_owner_secret: Optional[str] = None, callback_uri: Optional[str] = None,
oauth_verifier: Optional[str] = None, debug_mode: Optional[bool] = None):
if debug_mode:
self.session = aiohttp.ClientSession(trace_configs=[AIOTumblrDebugger(logger=log)])
else:
self.session = aiohttp.ClientSession()
self.oauth_client = Client(
client_key=consumer_key,
client_secret=consumer_secret,
resource_owner_key=resource_owner_key,
resource_owner_secret=resource_owner_secret,
callback_uri=callback_uri,
verifier=oauth_verifier,
)
async def fetch_request_token(self) -> Dict[str, str]:
log.debug(f'Fetching request token...')
_, signed_headers, _ = self.oauth_client.sign(self.request_token_url, 'POST')
log.debug(f'Signed headers: {signed_headers}')
resp = await self.session.post(self.request_token_url, headers=signed_headers)
log.debug(f'Response: {resp.status} {resp.reason}')
log.debug(f'To: {resp.method} {resp.real_url.human_repr()}')
log.debug(f'Requested as: {resp.request_info.method} {resp.request_info.real_url.human_repr()}')
log.debug(f'Request headers: {resp.request_info.headers}')
token_raw = await resp.text()
log.debug(f'Token response: {token_raw}')
token = dict(urldecode(token_raw))
self.oauth_client.resource_owner_key = token['oauth_token']
self.oauth_client.resource_owner_secret = token['oauth_token_secret']
# Set callback to None for future signing calls
self.oauth_client.callback_uri = None
return token
def fetch_authorization_url(self, request_token: str = None) -> str:
if not request_token:
request_token = self.oauth_client.resource_owner_key
return f'{self.authorization_url}?oauth_token={request_token}'
def parse_authorization_response(self, url: str) -> Dict[str, str]:
token = dict(urldecode(urlparse(url).query))
self.oauth_client.resource_owner_key = token['oauth_token']
self.oauth_client.verifier = token['oauth_verifier']
return token
async def fetch_access_token(self, verifier: Optional[str] = None) -> Dict[str, str]:
if verifier:
self.oauth_client.verifier = verifier
if not getattr(self.oauth_client, 'verifier', None):
raise ValueError('No client verifier set.') # TODO: implement own exceptions
log.debug(f'Fetching access token...')
_, signed_headers, _ = self.oauth_client.sign(self.access_token_url, 'POST')
log.debug(f'Signed headers: {signed_headers}')
resp = await self.session.post(self.access_token_url, headers=signed_headers)
log.debug(f'Response: {resp.status} {resp.reason}')
log.debug(f'To: {resp.method} {resp.real_url.human_repr()}')
log.debug(f'Requested as: {resp.request_info.method} {resp.request_info.real_url.human_repr()}')
log.debug(f'Request headers: {resp.request_info.headers}')
token_raw = await resp.text()
log.debug(f'Token response: {token_raw}')
token = dict(urldecode(token_raw))
self.oauth_client.resource_owner_key = token['oauth_token']
self.oauth_client.resource_owner_secret = token['oauth_token_secret']
# Unset verifier
self.oauth_client.verifier = None
return token
async def signed_request(self, method: str, endpoint: str, params: Optional[List[Tuple[str, str]]] = None,
data: Optional[Dict[str, str]] = None, json: Optional[Any] = None,
headers: Optional[Dict[str, str]] = None, **kwargs) -> aiohttp.ClientResponse:
url = self.api_base_url + endpoint
if data:
_, signed_headers, _ = self.oauth_client.sign(
add_params_to_uri(url, params), http_method=method, body=data, headers=headers
)
return await self.session.request(method, url, params=params, data=data, headers=signed_headers)
elif json:
# Since it is JSON, body apparently doesn't matter when signing
_, signed_headers, _ = self.oauth_client.sign(
add_params_to_uri(url, params), http_method=method, headers=headers
)
return await self.session.request(method, url, params=params, json=json, headers=signed_headers)
else:
_, signed_headers, _ = self.oauth_client.sign(
add_params_to_uri(url, params), http_method=method, headers=headers
)
return await self.session.request(method, url, params=params, headers=signed_headers)
@classmethod
def register_extension(cls, extension: Type[Extension]):
extension.register(cls)
@classmethod
def unregister_extension(cls, extension: Type[Extension]):
extension.unregister(cls)
async def close_connection(self):
await self.session.close()
resource_owner_key = ''
resource_owner_secret = ''
if client_key == '' or client_secret == '':
print "Please change your client key and secret in connectXAuth.py header"
sys.exit(0)
if username == 'USER_NAME' or password == 'USER_PASSWORD':
print "Please change username and password in connectXAuth.py header"
sys.exit(0)
client = Client(client_key, client_secret=client_secret, signature_type=SIGNATURE_TYPE_BODY)
headers = {"Content-Type": CONTENT_TYPE_FORM_URLENCODED}
body = 'x_auth_mode=client_auth&x_auth_username='******'&x_auth_password='******'oauth_token')
resource_owner_secret = oauth_tokens.get('oauth_token_secret')
cred = {"client_key": client_key, "client_secret": client_secret,
"resource_owner_key": resource_owner_key,
"resource_owner_secret": resource_owner_secret}
import json
with open('credentials.json', 'w') as outfile:
if client_key == '' or client_secret == '':
print "Please change your client key and secret in connectXAuth.py header"
sys.exit(0)
if username == 'USER_NAME' or password == 'USER_PASSWORD':
print "Please change username and password in connectXAuth.py header"
sys.exit(0)
client = Client(client_key,
client_secret=client_secret,
signature_type=SIGNATURE_TYPE_BODY)
headers = {"Content-Type": CONTENT_TYPE_FORM_URLENCODED}
body = 'x_auth_mode=client_auth&x_auth_username='******'&x_auth_password='******'oauth_token')
resource_owner_secret = oauth_tokens.get('oauth_token_secret')
cred = {
"client_key": client_key,
"client_secret": client_secret,
"resource_owner_key": resource_owner_key,
"resource_owner_secret": resource_owner_secret
class BaseEndpointTest(TestCase):
def setUp(self):
self.validator = MagicMock(spec=RequestValidator)
self.validator.allowed_signature_methods = ['HMAC-SHA1']
self.validator.timestamp_lifetime = 600
self.endpoint = RequestTokenEndpoint(self.validator)
self.client = Client('foo', callback_uri='https://c.b/cb')
self.uri, self.headers, self.body = self.client.sign(
'https://i.b/request_token')
def test_ssl_enforcement(self):
uri, headers, _ = self.client.sign('http://i.b/request_token')
h, b, s = self.endpoint.create_request_token_response(
uri, headers=headers)
self.assertEqual(s, 400)
self.assertIn('insecure_transport_protocol', b)
def test_missing_parameters(self):
h, b, s = self.endpoint.create_request_token_response(self.uri)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_signature_methods(self):
headers = {}
headers['Authorization'] = self.headers['Authorization'].replace(
'HMAC', 'RSA')
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=headers)
self.assertEqual(s, 400)
self.assertIn('invalid_signature_method', b)
def test_invalid_version(self):
headers = {}
headers['Authorization'] = self.headers['Authorization'].replace(
'1.0', '2.0')
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_expired_timestamp(self):
headers = {}
for pattern in ('12345678901', '4567890123', '123456789K'):
headers['Authorization'] = sub('timestamp="\d*k?"',
'timestamp="%s"' % pattern,
self.headers['Authorization'])
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_client_key_check(self):
self.validator.check_client_key.return_value = False
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=self.headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_noncecheck(self):
self.validator.check_nonce.return_value = False
h, b, s = self.endpoint.create_request_token_response(
self.uri, headers=self.headers)
self.assertEqual(s, 400)
self.assertIn('invalid_request', b)
def test_enforce_ssl(self):
"""Ensure SSL is enforced by default."""
v = RequestValidator()
e = BaseEndpoint(v)
c = Client('foo')
u, h, b = c.sign('http://example.com')
r = e._create_request(u, 'GET', b, h)
self.assertRaises(errors.InsecureTransportError,
e._check_transport_security, r)
def test_multiple_source_params(self):
"""Check for duplicate params"""
v = RequestValidator()
e = BaseEndpoint(v)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/?oauth_signature_method=HMAC-SHA1',
'GET', 'oauth_version=foo', URLENCODED)
headers = {'Authorization': 'OAuth oauth_signature="foo"'}
headers.update(URLENCODED)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/?oauth_signature_method=HMAC-SHA1',
'GET',
'oauth_version=foo',
headers)
headers = {'Authorization': 'OAuth oauth_signature_method="foo"'}
headers.update(URLENCODED)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/',
'GET',
'oauth_signature=foo',
headers)
def test_duplicate_params(self):
"""Ensure params are only supplied once"""
v = RequestValidator()
e = BaseEndpoint(v)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/?oauth_version=a&oauth_version=b',
'GET', None, URLENCODED)
self.assertRaises(errors.InvalidRequestError, e._create_request,
'https://a.b/', 'GET', 'oauth_version=a&oauth_version=b',
URLENCODED)
def test_mandated_params(self):
"""Ensure all mandatory params are present."""
v = RequestValidator()
e = BaseEndpoint(v)
r = e._create_request('https://a.b/', 'GET',
'oauth_signature=a&oauth_consumer_key=b&oauth_nonce',
URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
def test_oauth_version(self):
"""OAuth version must be 1.0 if present."""
v = RequestValidator()
e = BaseEndpoint(v)
r = e._create_request('https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_timestamp=a&oauth_signature_method=RSA-SHA1&'
'oauth_version=2.0'),
URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
def test_oauth_timestamp(self):
"""Check for a valid UNIX timestamp."""
v = RequestValidator()
e = BaseEndpoint(v)
# Invalid timestamp length, must be 10
r = e._create_request('https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=123456789'),
URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
# Invalid timestamp age, must be younger than 10 minutes
r = e._create_request('https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=1234567890'),
URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
# Timestamp must be an integer
r = e._create_request('https://a.b/', 'GET',
('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=RSA-SHA1&'
'oauth_timestamp=123456789a'),
URLENCODED)
self.assertRaises(errors.InvalidRequestError,
e._check_mandatory_parameters, r)
def test_signature_method_validation(self):
"""Ensure valid signature method is used."""
body = ('oauth_signature=a&oauth_consumer_key=b&oauth_nonce=c&'
'oauth_version=1.0&oauth_signature_method=%s&'
'oauth_timestamp=1234567890')
uri = 'https://example.com/'
class HMACValidator(RequestValidator):
@property
def allowed_signature_methods(self):
return (SIGNATURE_HMAC,)
v = HMACValidator()
e = BaseEndpoint(v)
r = e._create_request(uri, 'GET', body % 'RSA-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'PLAINTEXT', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'shibboleth', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
class RSAValidator(RequestValidator):
@property
def allowed_signature_methods(self):
return (SIGNATURE_RSA,)
v = RSAValidator()
e = BaseEndpoint(v)
r = e._create_request(uri, 'GET', body % 'HMAC-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'PLAINTEXT', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'shibboleth', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
class PlainValidator(RequestValidator):
@property
def allowed_signature_methods(self):
return (SIGNATURE_PLAINTEXT,)
v = PlainValidator()
e = BaseEndpoint(v)
r = e._create_request(uri, 'GET', body % 'HMAC-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'RSA-SHA1', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)
r = e._create_request(uri, 'GET', body % 'shibboleth', URLENCODED)
self.assertRaises(errors.InvalidSignatureMethodError,
e._check_mandatory_parameters, r)