def render_GET(self, request):
session = {}
oidconsumer = consumer.Consumer(session, None)
request = oidconsumer.begin(self.provider)
request.addExtension(sreg.SRegRequest(
required=['nickname', 'fullname', 'email', 'timezone']))
request.addExtension(teams.TeamsRequest(requested=self.groups))
request.addExtension(cla.CLARequest(
requested=[cla.CLA_URI_FEDORA_DONE]))
trust_root = self.root_url
return_to = self.root_url + '_openid_handle/'
if request.shouldSendRedirect():
redirect_url = request.redirectURL(trust_root, return_to, False)
request.redirect(redirect_url)
else:
return request.htmlMarkup(
trust_root, return_to,
form_tag_attrs={'id': 'openid_message'}, immediate=False)
try:
request.finish()
except RuntimeError:
# this occurs when the client has already disconnected; ignore
# it (see #2027)
log.msg("http client disconnected before results were sent")
def login(self, return_url=None, cancel_url=None, groups=None):
"""Tries to log in a user.
Sets the user information on :attr:`flask.g.fas_user`.
Will set 0 to :attr:`flask.g.fas_session_id, for compatibility
with flask_fas.
:kwarg username: Not used, but accepted for compatibility with the
flask_fas module
:kwarg password: Not used, but accepted for compatibility with the
flask_fas module
:kwarg return_url: The URL to forward the user to after login
:kwarg groups: A string or a list of group the user should belong
to to be authentified.
:returns: True if the user was succesfully authenticated.
:raises: Might raise an redirect to the OpenID endpoint
"""
if groups is None:
groups = ['_FAS_ALL_GROUPS_']
if return_url is None:
return_url = flask.request.args.get('next', flask.request.url)
session = {}
oidconsumer = consumer.Consumer(session, None)
try:
request = oidconsumer.begin(self.app.config['FAS_OPENID_ENDPOINT'])
except consumer.DiscoveryFailure:
# VERY strange, as this means it could not discover an OpenID
# endpoint at FAS_OPENID_ENDPOINT
return 'discoveryfailure'
if request is None:
# Also very strange, as this means the discovered OpenID
# endpoint is no OpenID endpoint
return 'no-request'
if isinstance(groups, basestring):
groups = [groups]
request.addExtension(
sreg.SRegRequest(
required=['nickname', 'fullname', 'email', 'timezone']))
request.addExtension(pape.Request([]))
request.addExtension(teams.TeamsRequest(requested=groups))
request.addExtension(
cla.CLARequest(requested=[cla.CLA_URI_FEDORA_DONE]))
trust_root = self.normalize_url(flask.request.url_root)
return_to = trust_root + '_flask_fas_openid_handler/'
flask.session['FLASK_FAS_OPENID_RETURN_URL'] = return_url
flask.session['FLASK_FAS_OPENID_CANCEL_URL'] = cancel_url
if request.shouldSendRedirect():
redirect_url = request.redirectURL(trust_root, return_to, False)
return flask.redirect(redirect_url)
else:
return request.htmlMarkup(trust_root,
return_to,
form_tag_attrs={'id': 'openid_message'},
immediate=False)
def process_incoming_request(context, request, incoming_openid_url):
settings = request.registry.settings
log.info('OpenID URL supplied by user: %s' % incoming_openid_url)
openid_consumer = consumer.Consumer(request.session, None)
try:
openid_request = openid_consumer.begin(incoming_openid_url)
ax_required = get_ax_required_from_settings(settings)
ax_optional = get_ax_optional_from_settings(settings)
log.info('ax_required: %s' % ax_required)
log.info('ax_optional: %s' % ax_optional)
if len(ax_required.values()) or len(ax_optional.values()):
fetch_request = ax.FetchRequest()
for value in ax_required.values():
fetch_request.add(ax.AttrInfo(value, required=True))
for value in ax_optional.values():
fetch_request.add(ax.AttrInfo(value, required=False))
openid_request.addExtension(fetch_request)
sreg_required = get_sreg_required_from_settings(settings)
sreg_optional = get_sreg_optional_from_settings(settings)
log.info('sreg_required: %s' % sreg_required)
log.info('sreg_optional: %s' % sreg_optional)
if len(sreg_required) or len(sreg_optional):
sreq = sreg.SRegRequest(required=sreg_required,
optional=sreg_optional)
openid_request.addExtension(sreq)
# Default is magic which requests all groups from FAS-OpenID >= 0.2.0
groups = request.registry.settings.get('openid.groups',
'_FAS_ALL_GROUPS_')
if isinstance(groups, six.string_types):
groups = groups.split()
openid_request.addExtension(teams.TeamsRequest(requested=groups))
openid_request.addExtension(
cla.CLARequest(requested=[cla.CLA_URI_FEDORA_DONE]))
except consumer.DiscoveryFailure as exc:
# eventually no openid server could be found
return error_to_login_form(request, 'Error in discovery: %s' % exc[0])
except KeyError as exc:
# TODO: when does that happen, why does plone.openid use "pass" here?
return error_to_login_form(request, 'Error in discovery: %s' % exc[0])
# not sure this can still happen but we are making sure.
# should actually been handled by the DiscoveryFailure exception above
if openid_request is None:
return error_to_login_form(
request, 'No OpenID services found for %s' % incoming_openid_url)
#Not sure what the point of setting this to anything else is
realm_name = settings.get('openid.realm_name', request.host_url)
return_url = request.path_url
redirect_url = openid_request.redirectURL(realm_name, return_url)
log.info('Realm Name: %s' % realm_name)
log.info('Return URL from provider will be: %s' % return_url)
log.info('Redirecting to: %s' % redirect_url)
return HTTPFound(location=redirect_url)
def handle_initial_request(request):
groups = ['sysadmin-releng', 'sysadmin-main']
session = {}
oidconsumer = consumer.Consumer(session, None)
try:
req = oidconsumer.begin('https://id.fedoraproject.org')
except consumer.DiscoveryFailure:
# VERY strange, as this means it could not discover an OpenID
# endpoint at FAS_OPENID_ENDPOINT
return 'discoveryfailure'
if req is None:
# Also very strange, as this means the discovered OpenID
# endpoint is no OpenID endpoint
return 'no-req'
req.addExtension(sreg.SRegRequest(
required=['nickname', 'fullname', 'email', 'timezone']))
req.addExtension(pape.Request([]))
req.addExtension(teams.TeamsRequest(requested=groups))
req.addExtension(cla.CLARequest(
requested=[cla.CLA_URI_FEDORA_DONE]))
# Use the django HTTPRequest for this
trust_root = request.build_absolute_uri('/')
return_to = request.build_absolute_uri() + "?type=fas-openid"
# Success or fail, redirect to the base. ¯\_(ツ)_/¯
return_url = cancel_url = request.build_absolute_uri('/')
request.session['FAS_OPENID_RETURN_URL'] = return_url
request.session['FAS_OPENID_CANCEL_URL'] = cancel_url
# the django rest framework requires that we use the json route here
return dict(form=req.htmlMarkup(trust_root, return_to,
form_tag_attrs={'id': 'openid_message'}, immediate=False))
def login(self,
username=None,
password=None,
return_url=None,
cancel_url=None,
groups=['_FAS_ALL_GROUPS_']):
"""
Copied from the FAS Flask OpenID Auth Plugin with modifications to be
compatible with a separate frontend application.
"""
if return_url is None:
if 'next' in flask.request.args.values():
return_url = flask.request.args.values['next']
else:
return_url = flask.request.url_root
return_to_same_app = self._check_safe_root(return_url)
session = {}
oidconsumer = consumer.Consumer(session, None)
try:
request = oidconsumer.begin(self.app.config['FAS_OPENID_ENDPOINT'])
except consumer.DiscoveryFailure as exc:
# VERY strange, as this means it could not discover an OpenID
# endpoint at FAS_OPENID_ENDPOINT
log.warn(exc)
return 'discoveryfailure'
if request is None:
# Also very strange, as this means the discovered OpenID
# endpoint is no OpenID endpoint
return 'no-request'
if isinstance(groups, six.string_types):
groups = [groups]
request.addExtension(
sreg.SRegRequest(
required=['nickname', 'fullname', 'email', 'timezone']))
request.addExtension(pape.Request([]))
request.addExtension(teams.TeamsRequest(requested=groups))
request.addExtension(
cla.CLARequest(requested=[cla.CLA_URI_FEDORA_DONE]))
ax_req = ax.FetchRequest()
ax_req.add(
ax.AttrInfo(
type_uri='http://fedoauth.org/openid/schema/GPG/keyid'))
ax_req.add(
ax.AttrInfo(type_uri='http://fedoauth.org/openid/schema/SSH/key',
count='unlimited'))
request.addExtension(ax_req)
trust_root = self.normalize_url(flask.request.url_root)
return_to = trust_root + '_flask_fas_openid_handler/'
flask.session['FLASK_FAS_OPENID_RETURN_URL'] = return_url
flask.session['FLASK_FAS_OPENID_CANCEL_URL'] = cancel_url
flask.session.modified = True
if request_wants_json():
output = request.getMessage(trust_root,
return_to=return_to).toPostArgs()
output['server_url'] = request.endpoint.server_url
return flask.jsonify(output)
elif request.shouldSendRedirect():
redirect_url = request.redirectURL(trust_root, return_to, False)
return flask.redirect(redirect_url)
elif not return_to_same_app:
return_to = os.environ['CLIENT_URL'] + '/_flask_fas_openid_handler/'
redirect_url = request.redirectURL(os.environ['CLIENT_URL'],
return_to, False)
return redirect_url
else:
return request.htmlMarkup(trust_root,
return_to,
form_tag_attrs={'id': 'openid_message'},
immediate=False)
def login(self,
username=None,
password=None,
return_url=None,
cancel_url=None,
groups=['_FAS_ALL_GROUPS_']):
"""Tries to log in a user.
Sets the user information on :attr:`flask.g.fas_user`.
Will set 0 to :attr:`flask.g.fas_session_id, for compatibility
with flask_fas.
:kwarg username: Not used, but accepted for compatibility with the
flask_fas module
:kwarg password: Not used, but accepted for compatibility with the
flask_fas module
:kwarg return_url: The URL to forward the user to after login
:kwarg groups: A string or a list of group the user should belong
to to be authentified.
:returns: True if the user was succesfully authenticated.
:raises: Might raise an redirect to the OpenID endpoint
"""
if return_url is None:
if 'next' in flask.request.args.values():
return_url = flask.request.args.values['next']
else:
return_url = flask.request.url_root
# This makes sure that we only allow stuff where
# ?next= value is in a safe root (the application
# root)
return_url = (self._check_safe_root(return_url)
or flask.request.url_root)
session = {}
oidconsumer = consumer.Consumer(session, None)
try:
request = oidconsumer.begin(self.app.config['FAS_OPENID_ENDPOINT'])
except consumer.DiscoveryFailure as exc:
# VERY strange, as this means it could not discover an OpenID
# endpoint at FAS_OPENID_ENDPOINT
log.warn(exc)
return 'discoveryfailure'
if request is None:
# Also very strange, as this means the discovered OpenID
# endpoint is no OpenID endpoint
return 'no-request'
if isinstance(groups, six.string_types):
groups = [groups]
# Some applications pass the group list as a set. Convert to a list in
# case we need to append to it (see below).
if isinstance(groups, set):
groups = list(groups)
# In the new AAA system, we know a user has signed the FPCA by looking
# a group membership. We must therefore always request the
# corresponding group.
if "_FAS_ALL_GROUPS_" not in groups:
groups.append("signed_fpca")
request.addExtension(
sreg.SRegRequest(
required=['nickname', 'fullname', 'email', 'timezone']))
request.addExtension(pape.Request([]))
request.addExtension(teams.TeamsRequest(requested=groups))
request.addExtension(
cla.CLARequest(requested=[cla.CLA_URI_FEDORA_DONE]))
ax_req = ax.FetchRequest()
ax_req.add(
ax.AttrInfo(
type_uri='http://fedoauth.org/openid/schema/GPG/keyid'))
ax_req.add(
ax.AttrInfo(type_uri='http://fedoauth.org/openid/schema/SSH/key',
count='unlimited'))
request.addExtension(ax_req)
trust_root = self.normalize_url(flask.request.url_root)
return_to = trust_root + '_flask_fas_openid_handler/'
flask.session['FLASK_FAS_OPENID_RETURN_URL'] = return_url
flask.session['FLASK_FAS_OPENID_CANCEL_URL'] = cancel_url
if request_wants_json():
output = request.getMessage(trust_root,
return_to=return_to).toPostArgs()
output['server_url'] = request.endpoint.server_url
return flask.jsonify(output)
elif request.shouldSendRedirect():
redirect_url = request.redirectURL(trust_root, return_to, False)
return flask.redirect(redirect_url)
else:
return request.htmlMarkup(trust_root,
return_to,
form_tag_attrs={'id': 'openid_message'},
immediate=False)
class FAS(object):
def __init__(self, app=None):
self.app = app
if self.app is not None:
self._init_app(app)
def _init_app(self, app):
app.config.setdefault('FAS_OPENID_ENDPOINT',
'http://id.fedoraproject.org/')
app.config.setdefault('FAS_OPENID_CHECK_CERT', True)
if not self.app.config['FAS_OPENID_CHECK_CERT']:
setDefaultFetcher(Urllib2Fetcher())
@app.route('/_flask_fas_openid_handler/', methods=['GET', 'POST'])
def flask_fas_openid_handler():
return self._handle_openid_request()
app.before_request(self._check_session)
def _handle_openid_request(self):
return_url = flask.session['FLASK_FAS_OPENID_RETURN_URL']
cancel_url = flask.session['FLASK_FAS_OPENID_CANCEL_URL']
base_url = self.normalize_url(flask.request.base_url)
oidconsumer = consumer.Consumer(flask.session, None)
info = oidconsumer.complete(flask.request.values, base_url)
display_identifier = info.getDisplayIdentifier()
if info.status == consumer.FAILURE and display_identifier:
return 'FAILURE. display_identifier: %s' % display_identifier
elif info.status == consumer.CANCEL:
if cancel_url:
return flask.redirect(cancel_url)
return 'OpenID request was cancelled'
elif info.status == consumer.SUCCESS:
sreg_resp = sreg.SRegResponse.fromSuccessResponse(info)
pape_resp = pape.Response.fromSuccessResponse(info)
teams_resp = teams.TeamsResponse.fromSuccessResponse(info)
cla_resp = cla.CLAResponse.fromSuccessResponse(info)
user = {
'fullname': '',
'username': '',
'email': '',
'timezone': '',
'cla_done': False,
'groups': []
}
if not sreg_resp:
# If we have no basic info, be gone with them!
return flask.redirect(cancel_url)
user['username'] = sreg_resp.get('nickname')
user['fullname'] = sreg_resp.get('fullname')
user['email'] = sreg_resp.get('email')
user['timezone'] = sreg_resp.get('timezone')
if cla_resp:
user['cla_done'] = cla.CLA_URI_FEDORA_DONE in cla_resp.clas
if teams_resp:
user['groups'] = frozenset(
teams_resp.teams
) # The groups do not contain the cla_ groups
flask.session['FLASK_FAS_OPENID_USER'] = user
flask.session.modified = True
return flask.redirect(return_url)
else:
return 'Strange state: %s' % info.status
def _check_session(self):
if not 'FLASK_FAS_OPENID_USER' in flask.session or flask.session[
'FLASK_FAS_OPENID_USER'] is None:
flask.g.fas_user = None
else:
user = flask.session['FLASK_FAS_OPENID_USER']
# Add approved_memberships to provide backwards compatibility
# New applications should only use g.fas_user.groups
user['approved_memberships'] = []
for group in user['groups']:
membership = dict()
membership['name'] = group
user['approved_memberships'].append(Bunch.fromDict(membership))
flask.g.fas_user = Bunch.fromDict(user)
flask.g.fas_session_id = 0
def login(self,
username=None,
password=None,
return_url=None,
cancel_url=None,
groups=['_FAS_ALL_GROUPS_']):
"""Tries to log in a user.
Sets the user information on :attr:`flask.g.fas_user`.
Will set 0 to :attr:`flask.g.fas_session_id, for compatibility
with flask_fas.
:arg username: Not used, but accepted for compatibility with the
flask_fas module
:arg password: Not used, but accepted for compatibility with the
flask_fas module
:arg return_url: The URL to forward the user to after login
:arg groups: A string or a list of group the user should belong to
to be authentified.
:returns: True if the user was succesfully authenticated.
:raises: Might raise an redirect to the OpenID endpoint
"""
if return_url is None:
if 'next' in flask.request.args.values():
return_url = flask.request.args.values['next']
else:
return_url = flask.request.url
oidconsumer = consumer.Consumer(flask.session, None)
try:
request = oidconsumer.begin(self.app.config['FAS_OPENID_ENDPOINT'])
except consumer.DiscoveryFailure, exc:
# VERY strange, as this means it could not discover an OpenID endpoint at FAS_OPENID_ENDPOINT
return 'discoveryfailure'
if request is None:
# Also very strange, as this means the discovered OpenID endpoint is no OpenID endpoint
return 'no-request'
if isinstance(groups, basestring):
groups = [groups]
request.addExtension(
sreg.SRegRequest(
required=['nickname', 'fullname', 'email', 'timezone']))
request.addExtension(pape.Request([]))
request.addExtension(teams.TeamsRequest(requested=groups))
request.addExtension(
cla.CLARequest(requested=[cla.CLA_URI_FEDORA_DONE]))
trust_root = self.normalize_url(flask.request.url_root)
return_to = trust_root + '_flask_fas_openid_handler/'
flask.session['FLASK_FAS_OPENID_RETURN_URL'] = return_url
flask.session['FLASK_FAS_OPENID_CANCEL_URL'] = cancel_url
if request.shouldSendRedirect():
redirect_url = request.redirectURL(trust_root, return_to, False)
return flask.redirect(redirect_url)
else:
return request.htmlMarkup(trust_root,
return_to,
form_tag_attrs={'id': 'openid_message'},
immediate=False)