From 44a79d66317054f6712320cd0f264e85ca09c880 Mon Sep 17 00:00:00 2001 From: jordan Date: Sun, 29 May 2011 13:50:31 +0000 Subject: [PATCH] Updating the python-oauth2 module and implementing a new Authentication consumer with the updated library: https://github.com/simplegeo/python-oauth2 git-svn-id: http://svn.osqa.net/svnroot/osqa/trunk@1053 0cfe37f9-358a-4d5e-be75-b63607b5c754 --- forum_modules/oauthauth/authentication.py | 2 +- forum_modules/oauthauth/consumer.py | 28 +- forum_modules/oauthauth/lib/oauth.py | 594 ------------ .../oauthauth/lib/oauth2/__init__.py | 860 ++++++++++++++++++ .../oauthauth/lib/oauth2/_version.py | 18 + .../oauthauth/lib/oauth2/clients/__init__.py | 0 .../oauthauth/lib/oauth2/clients/imap.py | 40 + .../oauthauth/lib/oauth2/clients/smtp.py | 41 + 8 files changed, 974 insertions(+), 609 deletions(-) delete mode 100644 forum_modules/oauthauth/lib/oauth.py create mode 100644 forum_modules/oauthauth/lib/oauth2/__init__.py create mode 100644 forum_modules/oauthauth/lib/oauth2/_version.py create mode 100644 forum_modules/oauthauth/lib/oauth2/clients/__init__.py create mode 100644 forum_modules/oauthauth/lib/oauth2/clients/imap.py create mode 100644 forum_modules/oauthauth/lib/oauth2/clients/smtp.py diff --git a/forum_modules/oauthauth/authentication.py b/forum_modules/oauthauth/authentication.py index 93cdc59..462e234 100644 --- a/forum_modules/oauthauth/authentication.py +++ b/forum_modules/oauthauth/authentication.py @@ -6,7 +6,7 @@ try: except ImportError: from django.utils import simplejson -from lib import oauth +from lib import oauth2 import settings class TwitterAuthConsumer(OAuthAbstractAuthConsumer): diff --git a/forum_modules/oauthauth/consumer.py b/forum_modules/oauthauth/consumer.py index 7473414..bf16a54 100644 --- a/forum_modules/oauthauth/consumer.py +++ b/forum_modules/oauthauth/consumer.py @@ -6,7 +6,7 @@ import time from forum.authentication.base import AuthenticationConsumer, InvalidAuthentication from django.utils.translation import ugettext as _ -from lib import oauth +from lib import oauth2 class OAuthAbstractAuthConsumer(AuthenticationConsumer): @@ -14,8 +14,8 @@ class OAuthAbstractAuthConsumer(AuthenticationConsumer): self.consumer_secret = consumer_secret self.consumer_key = consumer_key - self.consumer = oauth.OAuthConsumer(consumer_key, consumer_secret) - self.signature_method = oauth.OAuthSignatureMethod_HMAC_SHA1() + self.consumer = oauth2.Consumer(consumer_key, consumer_secret) + self.signature_method = oauth2.SignatureMethod_HMAC_SHA1() self.server_url = server_url self.request_token_url = request_token_url @@ -32,7 +32,7 @@ class OAuthAbstractAuthConsumer(AuthenticationConsumer): if not unauthed_token: raise InvalidAuthentication(_('Error, the oauth token is not on the server')) - token = oauth.OAuthToken.from_string(unauthed_token) + token = oauth2.Token.from_string(unauthed_token) if token.key != request.GET.get('oauth_token', 'no-token'): raise InvalidAuthentication(_("Something went wrong! Auth tokens do not match")) @@ -46,34 +46,34 @@ class OAuthAbstractAuthConsumer(AuthenticationConsumer): return {} def fetch_request_token(self): - oauth_request = oauth.OAuthRequest.from_consumer_and_token(self.consumer, http_url=self.request_token_url) + oauth_request = oauth2.Request.from_consumer_and_token(self.consumer, http_url=self.request_token_url) oauth_request.sign_request(self.signature_method, self.consumer, None) - params = oauth_request.parameters + params = oauth_request data = urllib.urlencode(params) full_url='%s?%s'%(self.request_token_url, data) response = urllib2.urlopen(full_url) - return oauth.OAuthToken.from_string(response.read()) + return oauth2.Token.from_string(response.read()) def authorize_token_url(self, token, callback_url=None): - oauth_request = oauth.OAuthRequest.from_token_and_callback(token=token,\ + oauth_request = oauth2.Request.from_token_and_callback(token=token,\ callback=callback_url, http_url=self.authorization_url) - params = oauth_request.parameters + params = oauth_request data = urllib.urlencode(params) full_url='%s?%s'%(self.authorization_url, data) return full_url def fetch_access_token(self, token): - oauth_request = oauth.OAuthRequest.from_consumer_and_token(self.consumer, token=token, http_url=self.access_token_url) + oauth_request = oauth2.Request.from_consumer_and_token(self.consumer, token=token, http_url=self.access_token_url) oauth_request.sign_request(self.signature_method, self.consumer, token) - params = oauth_request.parameters + params = oauth_request data = urllib.urlencode(params) full_url='%s?%s'%(self.access_token_url, data) response = urllib2.urlopen(full_url) - return oauth.OAuthToken.from_string(response.read()) + return oauth2.Token.from_string(response.read()) def fetch_data(self, token, http_url, parameters=None): - access_token = oauth.OAuthToken.from_string(token) - oauth_request = oauth.OAuthRequest.from_consumer_and_token( + access_token = oauth2.Token.from_string(token) + oauth_request = oauth2.Request.from_consumer_and_token( self.consumer, token=access_token, http_method="GET", http_url=http_url, parameters=parameters, ) diff --git a/forum_modules/oauthauth/lib/oauth.py b/forum_modules/oauthauth/lib/oauth.py deleted file mode 100644 index 89abf85..0000000 --- a/forum_modules/oauthauth/lib/oauth.py +++ /dev/null @@ -1,594 +0,0 @@ -""" -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. -""" - -import cgi -import urllib -import time -import random -import urlparse -import hmac -import binascii - - -VERSION = '1.0' # Hi Blaine! -HTTP_METHOD = 'GET' -SIGNATURE_METHOD = 'PLAINTEXT' - - -class OAuthError(RuntimeError): - """Generic exception class.""" - def __init__(self, message='OAuth error occured.'): - self.message = message - -def build_authenticate_header(realm=''): - """Optional WWW-Authenticate header (401 error)""" - return {'WWW-Authenticate': 'OAuth realm="%s"' % realm} - -def escape(s): - """Escape a URL including any /.""" - return urllib.quote(s, safe='~') - -def _utf8_str(s): - """Convert unicode to utf-8.""" - if isinstance(s, unicode): - return s.encode("utf-8") - else: - return str(s) - -def generate_timestamp(): - """Get seconds since epoch (UTC).""" - return int(time.time()) - -def generate_nonce(length=8): - """Generate pseudorandom number.""" - return ''.join([str(random.randint(0, 9)) for i in range(length)]) - - -class OAuthConsumer(object): - """Consumer of OAuth authentication. - - OAuthConsumer is a data type that represents the identity of the Consumer - via its shared secret with the Service Provider. - - """ - key = None - secret = None - - def __init__(self, key, secret): - self.key = key - self.secret = secret - - -class OAuthToken(object): - """OAuthToken is a data type that represents an End User via either an access - or request token. - - key -- the token - secret -- the token secret - - """ - key = None - secret = None - - def __init__(self, key, secret): - self.key = key - self.secret = secret - - def to_string(self): - return urllib.urlencode({'oauth_token': self.key, - 'oauth_token_secret': self.secret}) - - def from_string(s): - """ Returns a token from something like: - oauth_token_secret=xxx&oauth_token=xxx - """ - params = cgi.parse_qs(s, keep_blank_values=False) - key = params['oauth_token'][0] - secret = params['oauth_token_secret'][0] - return OAuthToken(key, secret) - from_string = staticmethod(from_string) - - def __str__(self): - return self.to_string() - - -class OAuthRequest(object): - """OAuthRequest represents the request and can be serialized. - - OAuth parameters: - - oauth_consumer_key - - oauth_token - - oauth_signature_method - - oauth_signature - - oauth_timestamp - - oauth_nonce - - oauth_version - ... any additional parameters, as defined by the Service Provider. - """ - parameters = None # OAuth parameters. - http_method = HTTP_METHOD - http_url = None - version = VERSION - - def __init__(self, http_method=HTTP_METHOD, http_url=None, parameters=None): - self.http_method = http_method - self.http_url = http_url - self.parameters = parameters or {} - - def set_parameter(self, parameter, value): - self.parameters[parameter] = value - - def get_parameter(self, parameter): - try: - return self.parameters[parameter] - except: - raise OAuthError('Parameter not found: %s' % parameter) - - def _get_timestamp_nonce(self): - return self.get_parameter('oauth_timestamp'), self.get_parameter( - 'oauth_nonce') - - def get_nonoauth_parameters(self): - """Get any non-OAuth parameters.""" - parameters = {} - for k, v in self.parameters.iteritems(): - # Ignore oauth parameters. - if k.find('oauth_') < 0: - parameters[k] = v - return parameters - - def to_header(self, realm=''): - """Serialize as a header for an HTTPAuth request.""" - auth_header = 'OAuth realm="%s"' % realm - # Add the oauth parameters. - if self.parameters: - for k, v in self.parameters.iteritems(): - if k[:6] == 'oauth_': - auth_header += ', %s="%s"' % (k, escape(str(v))) - return {'Authorization': auth_header} - - def to_postdata(self): - """Serialize as post data for a POST request.""" - return '&'.join(['%s=%s' % (escape(str(k)), escape(str(v))) \ - for k, v in self.parameters.iteritems()]) - - def to_url(self): - """Serialize as a URL for a GET request.""" - return '%s?%s' % (self.get_normalized_http_url(), self.to_postdata()) - - def get_normalized_parameters(self): - """Return a string that contains the parameters that must be signed.""" - params = self.parameters - try: - # Exclude the signature if it exists. - del params['oauth_signature'] - except: - pass - # Escape key values before sorting. - key_values = [(escape(_utf8_str(k)), escape(_utf8_str(v))) \ - for k,v in params.items()] - # Sort lexicographically, first after key, then after value. - key_values.sort() - # Combine key value pairs into a string. - return '&'.join(['%s=%s' % (k, v) for k, v in key_values]) - - def get_normalized_http_method(self): - """Uppercases the http method.""" - return self.http_method.upper() - - def get_normalized_http_url(self): - """Parses the URL and rebuilds it to be scheme://host/path.""" - parts = urlparse.urlparse(self.http_url) - scheme, netloc, path = parts[:3] - # Exclude default port numbers. - if scheme == 'http' and netloc[-3:] == ':80': - netloc = netloc[:-3] - elif scheme == 'https' and netloc[-4:] == ':443': - netloc = netloc[:-4] - return '%s://%s%s' % (scheme, netloc, path) - - def sign_request(self, signature_method, consumer, token): - """Set the signature parameter to the result of build_signature.""" - # Set the signature method. - self.set_parameter('oauth_signature_method', - signature_method.get_name()) - # Set the signature. - self.set_parameter('oauth_signature', - self.build_signature(signature_method, consumer, token)) - - def build_signature(self, signature_method, consumer, token): - """Calls the build signature method within the signature method.""" - return signature_method.build_signature(self, consumer, token) - - def from_request(http_method, http_url, headers=None, parameters=None, - query_string=None): - """Combines multiple parameter sources.""" - if parameters is None: - parameters = {} - - # Headers - if headers and 'Authorization' in headers: - auth_header = headers['Authorization'] - # Check that the authorization header is OAuth. - if auth_header.index('OAuth') > -1: - auth_header = auth_header.lstrip('OAuth ') - try: - # Get the parameters from the header. - header_params = OAuthRequest._split_header(auth_header) - parameters.update(header_params) - except: - raise OAuthError('Unable to parse OAuth parameters from ' - 'Authorization header.') - - # GET or POST query string. - if query_string: - query_params = OAuthRequest._split_url_string(query_string) - parameters.update(query_params) - - # URL parameters. - param_str = urlparse.urlparse(http_url)[4] # query - url_params = OAuthRequest._split_url_string(param_str) - parameters.update(url_params) - - if parameters: - return OAuthRequest(http_method, http_url, parameters) - - return None - from_request = staticmethod(from_request) - - def from_consumer_and_token(oauth_consumer, token=None, - http_method=HTTP_METHOD, http_url=None, parameters=None): - if not parameters: - parameters = {} - - defaults = { - 'oauth_consumer_key': oauth_consumer.key, - 'oauth_timestamp': generate_timestamp(), - 'oauth_nonce': generate_nonce(), - 'oauth_version': OAuthRequest.version, - } - - defaults.update(parameters) - parameters = defaults - - if token: - parameters['oauth_token'] = token.key - - return OAuthRequest(http_method, http_url, parameters) - from_consumer_and_token = staticmethod(from_consumer_and_token) - - def from_token_and_callback(token, callback=None, http_method=HTTP_METHOD, - http_url=None, parameters=None): - if not parameters: - parameters = {} - - parameters['oauth_token'] = token.key - - if callback: - parameters['oauth_callback'] = callback - - return OAuthRequest(http_method, http_url, parameters) - from_token_and_callback = staticmethod(from_token_and_callback) - - def _split_header(header): - """Turn Authorization: header into parameters.""" - params = {} - parts = header.split(',') - for param in parts: - # Ignore realm parameter. - if param.find('realm') > -1: - continue - # Remove whitespace. - param = param.strip() - # Split key-value. - param_parts = param.split('=', 1) - # Remove quotes and unescape the value. - params[param_parts[0]] = urllib.unquote(param_parts[1].strip('\"')) - return params - _split_header = staticmethod(_split_header) - - def _split_url_string(param_str): - """Turn URL string into parameters.""" - parameters = cgi.parse_qs(param_str, keep_blank_values=False) - for k, v in parameters.iteritems(): - parameters[k] = urllib.unquote(v[0]) - return parameters - _split_url_string = staticmethod(_split_url_string) - -class OAuthServer(object): - """A worker to check the validity of a request against a data store.""" - timestamp_threshold = 300 # In seconds, five minutes. - version = VERSION - signature_methods = None - data_store = None - - def __init__(self, data_store=None, signature_methods=None): - self.data_store = data_store - self.signature_methods = signature_methods or {} - - def set_data_store(self, data_store): - self.data_store = data_store - - def get_data_store(self): - return self.data_store - - def add_signature_method(self, signature_method): - self.signature_methods[signature_method.get_name()] = signature_method - return self.signature_methods - - def fetch_request_token(self, oauth_request): - """Processes a request_token request and returns the - request token on success. - """ - try: - # Get the request token for authorization. - token = self._get_token(oauth_request, 'request') - except OAuthError: - # No token required for the initial token request. - version = self._get_version(oauth_request) - consumer = self._get_consumer(oauth_request) - self._check_signature(oauth_request, consumer, None) - # Fetch a new token. - token = self.data_store.fetch_request_token(consumer) - return token - - def fetch_access_token(self, oauth_request): - """Processes an access_token request and returns the - access token on success. - """ - version = self._get_version(oauth_request) - consumer = self._get_consumer(oauth_request) - # Get the request token. - token = self._get_token(oauth_request, 'request') - self._check_signature(oauth_request, consumer, token) - new_token = self.data_store.fetch_access_token(consumer, token) - return new_token - - def verify_request(self, oauth_request): - """Verifies an api call and checks all the parameters.""" - # -> consumer and token - version = self._get_version(oauth_request) - consumer = self._get_consumer(oauth_request) - # Get the access token. - token = self._get_token(oauth_request, 'access') - self._check_signature(oauth_request, consumer, token) - parameters = oauth_request.get_nonoauth_parameters() - return consumer, token, parameters - - def authorize_token(self, token, user): - """Authorize a request token.""" - return self.data_store.authorize_request_token(token, user) - - def get_callback(self, oauth_request): - """Get the callback URL.""" - return oauth_request.get_parameter('oauth_callback') - - def build_authenticate_header(self, realm=''): - """Optional support for the authenticate header.""" - return {'WWW-Authenticate': 'OAuth realm="%s"' % realm} - - def _get_version(self, oauth_request): - """Verify the correct version request for this server.""" - try: - version = oauth_request.get_parameter('oauth_version') - except: - version = VERSION - if version and version != self.version: - raise OAuthError('OAuth version %s not supported.' % str(version)) - return version - - def _get_signature_method(self, oauth_request): - """Figure out the signature with some defaults.""" - try: - signature_method = oauth_request.get_parameter( - 'oauth_signature_method') - except: - signature_method = SIGNATURE_METHOD - try: - # Get the signature method object. - signature_method = self.signature_methods[signature_method] - except: - signature_method_names = ', '.join(self.signature_methods.keys()) - raise OAuthError('Signature method %s not supported try one of the ' - 'following: %s' % (signature_method, signature_method_names)) - - return signature_method - - def _get_consumer(self, oauth_request): - consumer_key = oauth_request.get_parameter('oauth_consumer_key') - consumer = self.data_store.lookup_consumer(consumer_key) - if not consumer: - raise OAuthError('Invalid consumer.') - return consumer - - def _get_token(self, oauth_request, token_type='access'): - """Try to find the token for the provided request token key.""" - token_field = oauth_request.get_parameter('oauth_token') - token = self.data_store.lookup_token(token_type, token_field) - if not token: - raise OAuthError('Invalid %s token: %s' % (token_type, token_field)) - return token - - def _check_signature(self, oauth_request, consumer, token): - timestamp, nonce = oauth_request._get_timestamp_nonce() - self._check_timestamp(timestamp) - self._check_nonce(consumer, token, nonce) - signature_method = self._get_signature_method(oauth_request) - try: - signature = oauth_request.get_parameter('oauth_signature') - except: - raise OAuthError('Missing signature.') - # Validate the signature. - valid_sig = signature_method.check_signature(oauth_request, consumer, - token, signature) - if not valid_sig: - key, base = signature_method.build_signature_base_string( - oauth_request, consumer, token) - raise OAuthError('Invalid signature. Expected signature base ' - 'string: %s' % base) - built = signature_method.build_signature(oauth_request, consumer, token) - - def _check_timestamp(self, timestamp): - """Verify that timestamp is recentish.""" - timestamp = int(timestamp) - now = int(time.time()) - lapsed = now - timestamp - if lapsed > self.timestamp_threshold: - raise OAuthError('Expired timestamp: given %d and now %s has a ' - 'greater difference than threshold %d' % - (timestamp, now, self.timestamp_threshold)) - - def _check_nonce(self, consumer, token, nonce): - """Verify that the nonce is uniqueish.""" - nonce = self.data_store.lookup_nonce(consumer, token, nonce) - if nonce: - raise OAuthError('Nonce already used: %s' % str(nonce)) - - -class OAuthClient(object): - """OAuthClient is a worker to attempt to execute a request.""" - consumer = None - token = None - - def __init__(self, oauth_consumer, oauth_token): - self.consumer = oauth_consumer - self.token = oauth_token - - def get_consumer(self): - return self.consumer - - def get_token(self): - return self.token - - def fetch_request_token(self, oauth_request): - """-> OAuthToken.""" - raise NotImplementedError - - def fetch_access_token(self, oauth_request): - """-> OAuthToken.""" - raise NotImplementedError - - def access_resource(self, oauth_request): - """-> Some protected resource.""" - raise NotImplementedError - - -class OAuthDataStore(object): - """A database abstraction used to lookup consumers and tokens.""" - - def lookup_consumer(self, key): - """-> OAuthConsumer.""" - raise NotImplementedError - - def lookup_token(self, oauth_consumer, token_type, token_token): - """-> OAuthToken.""" - raise NotImplementedError - - def lookup_nonce(self, oauth_consumer, oauth_token, nonce): - """-> OAuthToken.""" - raise NotImplementedError - - def fetch_request_token(self, oauth_consumer): - """-> OAuthToken.""" - raise NotImplementedError - - def fetch_access_token(self, oauth_consumer, oauth_token): - """-> OAuthToken.""" - raise NotImplementedError - - def authorize_request_token(self, oauth_token, user): - """-> OAuthToken.""" - raise NotImplementedError - - -class OAuthSignatureMethod(object): - """A strategy class that implements a signature method.""" - def get_name(self): - """-> str.""" - raise NotImplementedError - - def build_signature_base_string(self, oauth_request, oauth_consumer, oauth_token): - """-> str key, str raw.""" - raise NotImplementedError - - def build_signature(self, oauth_request, oauth_consumer, oauth_token): - """-> str.""" - raise NotImplementedError - - def check_signature(self, oauth_request, consumer, token, signature): - built = self.build_signature(oauth_request, consumer, token) - return built == signature - - -class OAuthSignatureMethod_HMAC_SHA1(OAuthSignatureMethod): - - def get_name(self): - return 'HMAC-SHA1' - - def build_signature_base_string(self, oauth_request, consumer, token): - sig = ( - escape(oauth_request.get_normalized_http_method()), - escape(oauth_request.get_normalized_http_url()), - escape(oauth_request.get_normalized_parameters()), - ) - - key = '%s&' % escape(consumer.secret) - if token: - key += escape(token.secret) - raw = '&'.join(sig) - return key, raw - - def build_signature(self, oauth_request, consumer, token): - """Builds the base signature string.""" - key, raw = self.build_signature_base_string(oauth_request, consumer, - token) - - # HMAC object. - try: - import hashlib # 2.5 - hashed = hmac.new(key, raw, hashlib.sha1) - except: - import sha # Deprecated - hashed = hmac.new(key, raw, sha) - - # Calculate the digest base 64. - return binascii.b2a_base64(hashed.digest())[:-1] - - -class OAuthSignatureMethod_PLAINTEXT(OAuthSignatureMethod): - - def get_name(self): - return 'PLAINTEXT' - - def build_signature_base_string(self, oauth_request, consumer, token): - """Concatenates the consumer key and secret.""" - sig = '%s&' % escape(consumer.secret) - if token: - sig = sig + escape(token.secret) - return sig, sig - - def build_signature(self, oauth_request, consumer, token): - key, raw = self.build_signature_base_string(oauth_request, consumer, - token) - return key \ No newline at end of file diff --git a/forum_modules/oauthauth/lib/oauth2/__init__.py b/forum_modules/oauthauth/lib/oauth2/__init__.py new file mode 100644 index 0000000..835270e --- /dev/null +++ b/forum_modules/oauthauth/lib/oauth2/__init__.py @@ -0,0 +1,860 @@ +""" +The MIT License + +Copyright (c) 2007-2010 Leah Culver, Joe Stump, Mark Paschal, Vic Fryzel + +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. +""" + +import base64 +import urllib +import time +import random +import urlparse +import hmac +import binascii +import httplib2 + +try: + from urlparse import parse_qs + parse_qs # placate pyflakes +except ImportError: + # fall back for Python 2.5 + from cgi import parse_qs + +try: + from hashlib import sha1 + sha = sha1 +except ImportError: + # hashlib was added in Python 2.5 + import sha + +import _version + +__version__ = _version.__version__ + +OAUTH_VERSION = '1.0' # Hi Blaine! +HTTP_METHOD = 'GET' +SIGNATURE_METHOD = 'PLAINTEXT' + + +class Error(RuntimeError): + """Generic exception class.""" + + def __init__(self, message='OAuth error occurred.'): + self._message = message + + @property + def message(self): + """A hack to get around the deprecation errors in 2.6.""" + return self._message + + def __str__(self): + return self._message + + +class MissingSignature(Error): + pass + + +def build_authenticate_header(realm=''): + """Optional WWW-Authenticate header (401 error)""" + return {'WWW-Authenticate': 'OAuth realm="%s"' % realm} + + +def build_xoauth_string(url, consumer, token=None): + """Build an XOAUTH string for use in SMTP/IMPA authentication.""" + request = Request.from_consumer_and_token(consumer, token, + "GET", url) + + signing_method = SignatureMethod_HMAC_SHA1() + request.sign_request(signing_method, consumer, token) + + params = [] + for k, v in sorted(request.iteritems()): + if v is not None: + params.append('%s="%s"' % (k, escape(v))) + + return "%s %s %s" % ("GET", url, ','.join(params)) + + +def to_unicode(s): + """ Convert to unicode, raise exception with instructive error + message if s is not unicode, ascii, or utf-8. """ + if not isinstance(s, unicode): + if not isinstance(s, str): + raise TypeError('You are required to pass either unicode or string here, not: %r (%s)' % (type(s), s)) + try: + s = s.decode('utf-8') + except UnicodeDecodeError, le: + raise TypeError('You are required to pass either a unicode object or a utf-8 string here. You passed a Python string object which contained non-utf-8: %r. The UnicodeDecodeError that resulted from attempting to interpret it as utf-8 was: %s' % (s, le,)) + return s + +def to_utf8(s): + return to_unicode(s).encode('utf-8') + +def to_unicode_if_string(s): + if isinstance(s, basestring): + return to_unicode(s) + else: + return s + +def to_utf8_if_string(s): + if isinstance(s, basestring): + return to_utf8(s) + else: + return s + +def to_unicode_optional_iterator(x): + """ + Raise TypeError if x is a str containing non-utf8 bytes or if x is + an iterable which contains such a str. + """ + if isinstance(x, basestring): + return to_unicode(x) + + try: + l = list(x) + except TypeError, e: + assert 'is not iterable' in str(e) + return x + else: + return [ to_unicode(e) for e in l ] + +def to_utf8_optional_iterator(x): + """ + Raise TypeError if x is a str or if x is an iterable which + contains a str. + """ + if isinstance(x, basestring): + return to_utf8(x) + + try: + l = list(x) + except TypeError, e: + assert 'is not iterable' in str(e) + return x + else: + return [ to_utf8_if_string(e) for e in l ] + +def escape(s): + """Escape a URL including any /.""" + return urllib.quote(s.encode('utf-8'), safe='~') + +def generate_timestamp(): + """Get seconds since epoch (UTC).""" + return int(time.time()) + + +def generate_nonce(length=8): + """Generate pseudorandom number.""" + return ''.join([str(random.randint(0, 9)) for i in range(length)]) + + +def generate_verifier(length=8): + """Generate pseudorandom number.""" + return ''.join([str(random.randint(0, 9)) for i in range(length)]) + + +class Consumer(object): + """A consumer of OAuth-protected services. + + The OAuth consumer is a "third-party" service that wants to access + protected resources from an OAuth service provider on behalf of an end + user. It's kind of the OAuth client. + + Usually a consumer must be registered with the service provider by the + developer of the consumer software. As part of that process, the service + provider gives the consumer a *key* and a *secret* with which the consumer + software can identify itself to the service. The consumer will include its + key in each request to identify itself, but will use its secret only when + signing requests, to prove that the request is from that particular + registered consumer. + + Once registered, the consumer can then use its consumer credentials to ask + the service provider for a request token, kicking off the OAuth + authorization process. + """ + + key = None + secret = None + + def __init__(self, key, secret): + self.key = key + self.secret = secret + + if self.key is None or self.secret is None: + raise ValueError("Key and secret must be set.") + + def __str__(self): + data = {'oauth_consumer_key': self.key, + 'oauth_consumer_secret': self.secret} + + return urllib.urlencode(data) + + +class Token(object): + """An OAuth credential used to request authorization or a protected + resource. + + Tokens in OAuth comprise a *key* and a *secret*. The key is included in + requests to identify the token being used, but the secret is used only in + the signature, to prove that the requester is who the server gave the + token to. + + When first negotiating the authorization, the consumer asks for a *request + token* that the live user authorizes with the service provider. The + consumer then exchanges the request token for an *access token* that can + be used to access protected resources. + """ + + key = None + secret = None + callback = None + callback_confirmed = None + verifier = None + + def __init__(self, key, secret): + self.key = key + self.secret = secret + + if self.key is None or self.secret is None: + raise ValueError("Key and secret must be set.") + + def set_callback(self, callback): + self.callback = callback + self.callback_confirmed = 'true' + + def set_verifier(self, verifier=None): + if verifier is not None: + self.verifier = verifier + else: + self.verifier = generate_verifier() + + def get_callback_url(self): + if self.callback and self.verifier: + # Append the oauth_verifier. + parts = urlparse.urlparse(self.callback) + scheme, netloc, path, params, query, fragment = parts[:6] + if query: + query = '%s&oauth_verifier=%s' % (query, self.verifier) + else: + query = 'oauth_verifier=%s' % self.verifier + return urlparse.urlunparse((scheme, netloc, path, params, + query, fragment)) + return self.callback + + def to_string(self): + """Returns this token as a plain string, suitable for storage. + + The resulting string includes the token's secret, so you should never + send or store this string where a third party can read it. + """ + + data = { + 'oauth_token': self.key, + 'oauth_token_secret': self.secret, + } + + if self.callback_confirmed is not None: + data['oauth_callback_confirmed'] = self.callback_confirmed + return urllib.urlencode(data) + + @staticmethod + def from_string(s): + """Deserializes a token from a string like one returned by + `to_string()`.""" + + if not len(s): + raise ValueError("Invalid parameter string.") + + params = parse_qs(s, keep_blank_values=False) + if not len(params): + raise ValueError("Invalid parameter string.") + + try: + key = params['oauth_token'][0] + except Exception: + raise ValueError("'oauth_token' not found in OAuth request.") + + try: + secret = params['oauth_token_secret'][0] + except Exception: + raise ValueError("'oauth_token_secret' not found in " + "OAuth request.") + + token = Token(key, secret) + try: + token.callback_confirmed = params['oauth_callback_confirmed'][0] + except KeyError: + pass # 1.0, no callback confirmed. + return token + + def __str__(self): + return self.to_string() + + +def setter(attr): + name = attr.__name__ + + def getter(self): + try: + return self.__dict__[name] + except KeyError: + raise AttributeError(name) + + def deleter(self): + del self.__dict__[name] + + return property(getter, attr, deleter) + + +class Request(dict): + + """The parameters and information for an HTTP request, suitable for + authorizing with OAuth credentials. + + When a consumer wants to access a service's protected resources, it does + so using a signed HTTP request identifying itself (the consumer) with its + key, and providing an access token authorized by the end user to access + those resources. + + """ + + version = OAUTH_VERSION + + def __init__(self, method=HTTP_METHOD, url=None, parameters=None, + body='', is_form_encoded=False): + if url is not None: + self.url = to_unicode(url) + self.method = method + if parameters is not None: + for k, v in parameters.iteritems(): + k = to_unicode(k) + v = to_unicode_optional_iterator(v) + self[k] = v + self.body = body + self.is_form_encoded = is_form_encoded + + + @setter + def url(self, value): + self.__dict__['url'] = value + if value is not None: + scheme, netloc, path, params, query, fragment = urlparse.urlparse(value) + + # Exclude default port numbers. + if scheme == 'http' and netloc[-3:] == ':80': + netloc = netloc[:-3] + elif scheme == 'https' and netloc[-4:] == ':443': + netloc = netloc[:-4] + if scheme not in ('http', 'https'): + raise ValueError("Unsupported URL %s (%s)." % (value, scheme)) + + # Normalized URL excludes params, query, and fragment. + self.normalized_url = urlparse.urlunparse((scheme, netloc, path, None, None, None)) + else: + self.normalized_url = None + self.__dict__['url'] = None + + @setter + def method(self, value): + self.__dict__['method'] = value.upper() + + def _get_timestamp_nonce(self): + return self['oauth_timestamp'], self['oauth_nonce'] + + def get_nonoauth_parameters(self): + """Get any non-OAuth parameters.""" + return dict([(k, v) for k, v in self.iteritems() + if not k.startswith('oauth_')]) + + def to_header(self, realm=''): + """Serialize as a header for an HTTPAuth request.""" + oauth_params = ((k, v) for k, v in self.items() + if k.startswith('oauth_')) + stringy_params = ((k, escape(str(v))) for k, v in oauth_params) + header_params = ('%s="%s"' % (k, v) for k, v in stringy_params) + params_header = ', '.join(header_params) + + auth_header = 'OAuth realm="%s"' % realm + if params_header: + auth_header = "%s, %s" % (auth_header, params_header) + + return {'Authorization': auth_header} + + def to_postdata(self): + """Serialize as post data for a POST request.""" + d = {} + for k, v in self.iteritems(): + d[k.encode('utf-8')] = to_utf8_optional_iterator(v) + + # tell urlencode to deal with sequence values and map them correctly + # to resulting querystring. for example self["k"] = ["v1", "v2"] will + # result in 'k=v1&k=v2' and not k=%5B%27v1%27%2C+%27v2%27%5D + return urllib.urlencode(d, True).replace('+', '%20') + + def to_url(self): + """Serialize as a URL for a GET request.""" + base_url = urlparse.urlparse(self.url) + try: + query = base_url.query + except AttributeError: + # must be python <2.5 + query = base_url[4] + query = parse_qs(query) + for k, v in self.items(): + query.setdefault(k, []).append(v) + + try: + scheme = base_url.scheme + netloc = base_url.netloc + path = base_url.path + params = base_url.params + fragment = base_url.fragment + except AttributeError: + # must be python <2.5 + scheme = base_url[0] + netloc = base_url[1] + path = base_url[2] + params = base_url[3] + fragment = base_url[5] + + url = (scheme, netloc, path, params, + urllib.urlencode(query, True), fragment) + return urlparse.urlunparse(url) + + def get_parameter(self, parameter): + ret = self.get(parameter) + if ret is None: + raise Error('Parameter not found: %s' % parameter) + + return ret + + def get_normalized_parameters(self): + """Return a string that contains the parameters that must be signed.""" + items = [] + for key, value in self.iteritems(): + if key == 'oauth_signature': + continue + # 1.0a/9.1.1 states that kvp must be sorted by key, then by value, + # so we unpack sequence values into multiple items for sorting. + if isinstance(value, basestring): + items.append((to_utf8_if_string(key), to_utf8(value))) + else: + try: + value = list(value) + except TypeError, e: + assert 'is not iterable' in str(e) + items.append((to_utf8_if_string(key), to_utf8_if_string(value))) + else: + items.extend((to_utf8_if_string(key), to_utf8_if_string(item)) for item in value) + + # Include any query string parameters from the provided URL + query = urlparse.urlparse(self.url)[4] + + url_items = self._split_url_string(query).items() + url_items = [(to_utf8(k), to_utf8(v)) for k, v in url_items if k != 'oauth_signature' ] + items.extend(url_items) + + items.sort() + encoded_str = urllib.urlencode(items) + # Encode signature parameters per Oauth Core 1.0 protocol + # spec draft 7, section 3.6 + # (http://tools.ietf.org/html/draft-hammer-oauth-07#section-3.6) + # Spaces must be encoded with "%20" instead of "+" + return encoded_str.replace('+', '%20').replace('%7E', '~') + + def sign_request(self, signature_method, consumer, token): + """Set the signature parameter to the result of sign.""" + + if not self.is_form_encoded: + # according to + # http://oauth.googlecode.com/svn/spec/ext/body_hash/1.0/oauth-bodyhash.html + # section 4.1.1 "OAuth Consumers MUST NOT include an + # oauth_body_hash parameter on requests with form-encoded + # request bodies." + self['oauth_body_hash'] = base64.b64encode(sha(self.body).digest()) + + if 'oauth_consumer_key' not in self: + self['oauth_consumer_key'] = consumer.key + + if token and 'oauth_token' not in self: + self['oauth_token'] = token.key + + self['oauth_signature_method'] = signature_method.name + self['oauth_signature'] = signature_method.sign(self, consumer, token) + + @classmethod + def make_timestamp(cls): + """Get seconds since epoch (UTC).""" + return str(int(time.time())) + + @classmethod + def make_nonce(cls): + """Generate pseudorandom number.""" + return str(random.randint(0, 100000000)) + + @classmethod + def from_request(cls, http_method, http_url, headers=None, parameters=None, + query_string=None): + """Combines multiple parameter sources.""" + if parameters is None: + parameters = {} + + # Headers + if headers and 'Authorization' in headers: + auth_header = headers['Authorization'] + # Check that the authorization header is OAuth. + if auth_header[:6] == 'OAuth ': + auth_header = auth_header[6:] + try: + # Get the parameters from the header. + header_params = cls._split_header(auth_header) + parameters.update(header_params) + except: + raise Error('Unable to parse OAuth parameters from ' + 'Authorization header.') + + # GET or POST query string. + if query_string: + query_params = cls._split_url_string(query_string) + parameters.update(query_params) + + # URL parameters. + param_str = urlparse.urlparse(http_url)[4] # query + url_params = cls._split_url_string(param_str) + parameters.update(url_params) + + if parameters: + return cls(http_method, http_url, parameters) + + return None + + @classmethod + def from_consumer_and_token(cls, consumer, token=None, + http_method=HTTP_METHOD, http_url=None, parameters=None, + body='', is_form_encoded=False): + if not parameters: + parameters = {} + + defaults = { + 'oauth_consumer_key': consumer.key, + 'oauth_timestamp': cls.make_timestamp(), + 'oauth_nonce': cls.make_nonce(), + 'oauth_version': cls.version, + } + + defaults.update(parameters) + parameters = defaults + + if token: + parameters['oauth_token'] = token.key + if token.verifier: + parameters['oauth_verifier'] = token.verifier + + return Request(http_method, http_url, parameters, body=body, + is_form_encoded=is_form_encoded) + + @classmethod + def from_token_and_callback(cls, token, callback=None, + http_method=HTTP_METHOD, http_url=None, parameters=None): + + if not parameters: + parameters = {} + + parameters['oauth_token'] = token.key + + if callback: + parameters['oauth_callback'] = callback + + return cls(http_method, http_url, parameters) + + @staticmethod + def _split_header(header): + """Turn Authorization: header into parameters.""" + params = {} + parts = header.split(',') + for param in parts: + # Ignore realm parameter. + if param.find('realm') > -1: + continue + # Remove whitespace. + param = param.strip() + # Split key-value. + param_parts = param.split('=', 1) + # Remove quotes and unescape the value. + params[param_parts[0]] = urllib.unquote(param_parts[1].strip('\"')) + return params + + @staticmethod + def _split_url_string(param_str): + """Turn URL string into parameters.""" + parameters = parse_qs(param_str.encode('utf-8'), keep_blank_values=True) + for k, v in parameters.iteritems(): + parameters[k] = urllib.unquote(v[0]) + return parameters + + +class Client(httplib2.Http): + """OAuthClient is a worker to attempt to execute a request.""" + + def __init__(self, consumer, token=None, cache=None, timeout=None, + proxy_info=None): + + if consumer is not None and not isinstance(consumer, Consumer): + raise ValueError("Invalid consumer.") + + if token is not None and not isinstance(token, Token): + raise ValueError("Invalid token.") + + self.consumer = consumer + self.token = token + self.method = SignatureMethod_HMAC_SHA1() + + httplib2.Http.__init__(self, cache=cache, timeout=timeout, proxy_info=proxy_info) + + def set_signature_method(self, method): + if not isinstance(method, SignatureMethod): + raise ValueError("Invalid signature method.") + + self.method = method + + def request(self, uri, method="GET", body='', headers=None, + redirections=httplib2.DEFAULT_MAX_REDIRECTS, connection_type=None): + DEFAULT_POST_CONTENT_TYPE = 'application/x-www-form-urlencoded' + + if not isinstance(headers, dict): + headers = {} + + if method == "POST": + headers['Content-Type'] = headers.get('Content-Type', + DEFAULT_POST_CONTENT_TYPE) + + is_form_encoded = \ + headers.get('Content-Type') == 'application/x-www-form-urlencoded' + + if is_form_encoded and body: + parameters = parse_qs(body) + else: + parameters = None + + req = Request.from_consumer_and_token(self.consumer, + token=self.token, http_method=method, http_url=uri, + parameters=parameters, body=body, is_form_encoded=is_form_encoded) + + req.sign_request(self.method, self.consumer, self.token) + + schema, rest = urllib.splittype(uri) + if rest.startswith('//'): + hierpart = '//' + else: + hierpart = '' + host, rest = urllib.splithost(rest) + + realm = schema + ':' + hierpart + host + + if is_form_encoded: + body = req.to_postdata() + elif method == "GET": + uri = req.to_url() + else: + headers.update(req.to_header(realm=realm)) + + return httplib2.Http.request(self, uri, method=method, body=body, + headers=headers, redirections=redirections, + connection_type=connection_type) + + +class Server(object): + """A skeletal implementation of a service provider, providing protected + resources to requests from authorized consumers. + + This class implements the logic to check requests for authorization. You + can use it with your web server or web framework to protect certain + resources with OAuth. + """ + + timestamp_threshold = 300 # In seconds, five minutes. + version = OAUTH_VERSION + signature_methods = None + + def __init__(self, signature_methods=None): + self.signature_methods = signature_methods or {} + + def add_signature_method(self, signature_method): + self.signature_methods[signature_method.name] = signature_method + return self.signature_methods + + def verify_request(self, request, consumer, token): + """Verifies an api call and checks all the parameters.""" + + self._check_version(request) + self._check_signature(request, consumer, token) + parameters = request.get_nonoauth_parameters() + return parameters + + def build_authenticate_header(self, realm=''): + """Optional support for the authenticate header.""" + return {'WWW-Authenticate': 'OAuth realm="%s"' % realm} + + def _check_version(self, request): + """Verify the correct version of the request for this server.""" + version = self._get_version(request) + if version and version != self.version: + raise Error('OAuth version %s not supported.' % str(version)) + + def _get_version(self, request): + """Return the version of the request for this server.""" + try: + version = request.get_parameter('oauth_version') + except: + version = OAUTH_VERSION + + return version + + def _get_signature_method(self, request): + """Figure out the signature with some defaults.""" + try: + signature_method = request.get_parameter('oauth_signature_method') + except: + signature_method = SIGNATURE_METHOD + + try: + # Get the signature method object. + signature_method = self.signature_methods[signature_method] + except: + signature_method_names = ', '.join(self.signature_methods.keys()) + raise Error('Signature method %s not supported try one of the following: %s' % (signature_method, signature_method_names)) + + return signature_method + + def _get_verifier(self, request): + return request.get_parameter('oauth_verifier') + + def _check_signature(self, request, consumer, token): + timestamp, nonce = request._get_timestamp_nonce() + self._check_timestamp(timestamp) + signature_method = self._get_signature_method(request) + + try: + signature = request.get_parameter('oauth_signature') + except: + raise MissingSignature('Missing oauth_signature.') + + # Validate the signature. + valid = signature_method.check(request, consumer, token, signature) + + if not valid: + key, base = signature_method.signing_base(request, consumer, token) + + raise Error('Invalid signature. Expected signature base ' + 'string: %s' % base) + + def _check_timestamp(self, timestamp): + """Verify that timestamp is recentish.""" + timestamp = int(timestamp) + now = int(time.time()) + lapsed = now - timestamp + if lapsed > self.timestamp_threshold: + raise Error('Expired timestamp: given %d and now %s has a ' + 'greater difference than threshold %d' % (timestamp, now, + self.timestamp_threshold)) + + +class SignatureMethod(object): + """A way of signing requests. + + The OAuth protocol lets consumers and service providers pick a way to sign + requests. This interface shows the methods expected by the other `oauth` + modules for signing requests. Subclass it and implement its methods to + provide a new way to sign requests. + """ + + def signing_base(self, request, consumer, token): + """Calculates the string that needs to be signed. + + This method returns a 2-tuple containing the starting key for the + signing and the message to be signed. The latter may be used in error + messages to help clients debug their software. + + """ + raise NotImplementedError + + def sign(self, request, consumer, token): + """Returns the signature for the given request, based on the consumer + and token also provided. + + You should use your implementation of `signing_base()` to build the + message to sign. Otherwise it may be less useful for debugging. + + """ + raise NotImplementedError + + def check(self, request, consumer, token, signature): + """Returns whether the given signature is the correct signature for + the given consumer and token signing the given request.""" + built = self.sign(request, consumer, token) + return built == signature + + +class SignatureMethod_HMAC_SHA1(SignatureMethod): + name = 'HMAC-SHA1' + + def signing_base(self, request, consumer, token): + if not hasattr(request, 'normalized_url') or request.normalized_url is None: + raise ValueError("Base URL for request is not set.") + + sig = ( + escape(request.method), + escape(request.normalized_url), + escape(request.get_normalized_parameters()), + ) + + key = '%s&' % escape(consumer.secret) + if token: + key += escape(token.secret) + raw = '&'.join(sig) + return key, raw + + def sign(self, request, consumer, token): + """Builds the base signature string.""" + key, raw = self.signing_base(request, consumer, token) + + hashed = hmac.new(key, raw, sha) + + # Calculate the digest base 64. + return binascii.b2a_base64(hashed.digest())[:-1] + + +class SignatureMethod_PLAINTEXT(SignatureMethod): + + name = 'PLAINTEXT' + + def signing_base(self, request, consumer, token): + """Concatenates the consumer key and secret with the token's + secret.""" + sig = '%s&' % escape(consumer.secret) + if token: + sig = sig + escape(token.secret) + return sig, sig + + def sign(self, request, consumer, token): + key, raw = self.signing_base(request, consumer, token) + return raw diff --git a/forum_modules/oauthauth/lib/oauth2/_version.py b/forum_modules/oauthauth/lib/oauth2/_version.py new file mode 100644 index 0000000..0d74e05 --- /dev/null +++ b/forum_modules/oauthauth/lib/oauth2/_version.py @@ -0,0 +1,18 @@ +# This is the version of this source code. + +manual_verstr = "1.5" + + + +auto_build_num = "170" + + + +verstr = manual_verstr + "." + auto_build_num +try: + from pyutil.version_class import Version as pyutil_Version + __version__ = pyutil_Version(verstr) +except (ImportError, ValueError): + # Maybe there is no pyutil installed. + from distutils.version import LooseVersion as distutils_Version + __version__ = distutils_Version(verstr) diff --git a/forum_modules/oauthauth/lib/oauth2/clients/__init__.py b/forum_modules/oauthauth/lib/oauth2/clients/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/forum_modules/oauthauth/lib/oauth2/clients/imap.py b/forum_modules/oauthauth/lib/oauth2/clients/imap.py new file mode 100644 index 0000000..68b7cd8 --- /dev/null +++ b/forum_modules/oauthauth/lib/oauth2/clients/imap.py @@ -0,0 +1,40 @@ +""" +The MIT License + +Copyright (c) 2007-2010 Leah Culver, Joe Stump, Mark Paschal, Vic Fryzel + +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. +""" + +import oauth2 +import imaplib + + +class IMAP4_SSL(imaplib.IMAP4_SSL): + """IMAP wrapper for imaplib.IMAP4_SSL that implements XOAUTH.""" + + def authenticate(self, url, consumer, token): + if consumer is not None and not isinstance(consumer, oauth2.Consumer): + raise ValueError("Invalid consumer.") + + if token is not None and not isinstance(token, oauth2.Token): + raise ValueError("Invalid token.") + + imaplib.IMAP4_SSL.authenticate(self, 'XOAUTH', + lambda x: oauth2.build_xoauth_string(url, consumer, token)) diff --git a/forum_modules/oauthauth/lib/oauth2/clients/smtp.py b/forum_modules/oauthauth/lib/oauth2/clients/smtp.py new file mode 100644 index 0000000..3e7bf0b --- /dev/null +++ b/forum_modules/oauthauth/lib/oauth2/clients/smtp.py @@ -0,0 +1,41 @@ +""" +The MIT License + +Copyright (c) 2007-2010 Leah Culver, Joe Stump, Mark Paschal, Vic Fryzel + +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. +""" + +import oauth2 +import smtplib +import base64 + + +class SMTP(smtplib.SMTP): + """SMTP wrapper for smtplib.SMTP that implements XOAUTH.""" + + def authenticate(self, url, consumer, token): + if consumer is not None and not isinstance(consumer, oauth2.Consumer): + raise ValueError("Invalid consumer.") + + if token is not None and not isinstance(token, oauth2.Token): + raise ValueError("Invalid token.") + + self.docmd('AUTH', 'XOAUTH %s' % \ + base64.b64encode(oauth2.build_xoauth_string(url, consumer, token))) -- 2.39.5