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# Copyright (C) 2014 Simo Sorce <simo@redhat.com>
#
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import cherrypy
from ipsilon.util import config as pconfig
from ipsilon.admin.common import AdminPage
from ipsilon.admin.common import ADMIN_STATUS_OK
from ipsilon.admin.common import ADMIN_STATUS_ERROR
from ipsilon.admin.common import ADMIN_STATUS_WARN
from ipsilon.admin.common import get_mapping_list_value
from ipsilon.admin.common import get_complex_list_value
from ipsilon.providers.saml2.provider import ServiceProvider
from ipsilon.providers.saml2.provider import ServiceProviderCreator
from ipsilon.providers.saml2.provider import InvalidProviderId
from copy import deepcopy
import requests
class NewSPAdminPage(AdminPage):
def __init__(self, site, parent):
super(NewSPAdminPage, self).__init__(site, form=True)
self.parent = parent
self.title = 'New Service Provider'
self.back = parent.url
self.url = '%s/new' % (parent.url,)
def form_new(self, message=None, message_type=None):
return self._template('admin/providers/saml2_sp_new.html',
title=self.title,
message=message,
message_type=message_type,
name='saml2_sp_new_form',
back=self.back, action=self.url)
def GET(self, *args, **kwargs):
return self.form_new()
def POST(self, *args, **kwargs):
if self.user.is_admin:
# TODO: allow authenticated user to create SPs on their own
# set the owner in that case
name = None
meta = None
if 'content-type' not in cherrypy.request.headers:
self._debug("Invalid request, missing content-type")
message = "Malformed request"
message_type = ADMIN_STATUS_ERROR
return self.form_new(message, message_type)
ctype = cherrypy.request.headers['content-type'].split(';')[0]
if ctype != 'multipart/form-data':
self._debug("Invalid form type (%s), trying to cope" % (
cherrypy.request.content_type,))
for key, value in kwargs.iteritems():
if key == 'name':
name = value
elif key == 'metatext':
if len(value) > 0:
meta = value
elif key == 'metafile':
if hasattr(value, 'content_type'):
meta = value.fullvalue()
else:
self._debug("Invalid format for 'meta'")
elif key == 'metaurl':
if len(value) > 0:
try:
r = requests.get(value)
r.raise_for_status()
meta = r.content
except Exception, e: # pylint: disable=broad-except
self._debug("Failed to fetch metadata: " + repr(e))
message = "Failed to fetch metadata: " + repr(e)
message_type = ADMIN_STATUS_ERROR
return self.form_new(message, message_type)
if name and meta:
try:
spc = ServiceProviderCreator(self.parent.cfg)
sp = spc.create_from_buffer(name, meta)
sp_page = self.parent.add_sp(name, sp)
message = "SP Successfully added"
message_type = ADMIN_STATUS_OK
return sp_page.root_with_msg(message, message_type)
except InvalidProviderId, e:
message = str(e)
message_type = ADMIN_STATUS_ERROR
except Exception, e: # pylint: disable=broad-except
self._debug(repr(e))
message = "Failed to create Service Provider!"
message_type = ADMIN_STATUS_ERROR
else:
message = "A name and a metadata file must be provided"
message_type = ADMIN_STATUS_ERROR
else:
message = "Unauthorized"
message_type = ADMIN_STATUS_ERROR
return self.form_new(message, message_type)
class InvalidValueFormat(Exception):
pass
class UnauthorizedUser(Exception):
pass
class SPAdminPage(AdminPage):
def __init__(self, sp, site, parent):
super(SPAdminPage, self).__init__(site, form=True)
self.parent = parent
self.sp = sp
self.title = sp.name
self.url = '%s/sp/%s' % (parent.url, sp.name)
self.menu = [parent]
self.back = parent.url
def root_with_msg(self, message=None, message_type=None):
return self._template('admin/option_config.html', title=self.title,
menu=self.menu, action=self.url, back=self.back,
message=message, message_type=message_type,
name='saml2_sp_%s_form' % (self.sp.name),
config=self.sp.get_config_obj())
def GET(self, *args, **kwargs):
return self.root_with_msg()
def POST(self, *args, **kwargs):
message = "Nothing was modified."
message_type = "info"
new_db_values = dict()
conf = self.sp.get_config_obj()
for name, option in conf.iteritems():
if name in kwargs:
value = kwargs[name]
if isinstance(option, pconfig.List):
value = [x.strip() for x in value.split('\n')]
elif isinstance(option, pconfig.Condition):
value = True
else:
if isinstance(option, pconfig.Condition):
value = False
elif isinstance(option, pconfig.Choice):
value = list()
for a in option.get_allowed():
aname = '%s_%s' % (name, a)
if aname in kwargs:
value.append(a)
elif type(option) is pconfig.ComplexList:
current = deepcopy(option.get_value())
value = get_complex_list_value(name,
current,
**kwargs)
# if current value is None do nothing
if value is None:
if option.get_value() is None:
continue
# else pass and let it continue as None
elif type(option) is pconfig.MappingList:
current = deepcopy(option.get_value())
value = get_mapping_list_value(name,
current,
**kwargs)
# if current value is None do nothing
if value is None:
if option.get_value() is None:
continue
# else pass and let it continue as None
else:
continue
if value != option.get_value():
if (type(option) is pconfig.List and
set(value) == set(option.get_value())):
continue
cherrypy.log.error("Storing %s = %s" %
(name, value))
new_db_values[name] = value
if len(new_db_values) != 0:
try:
# Validate user can make these changes
for (key, value) in new_db_values.iteritems():
if key == 'Name':
if (not self.user.is_admin and
self.user.name != self.sp.owner):
raise UnauthorizedUser("Unauthorized to set owner")
elif key in ['Owner', 'Default NameID', 'Allowed NameIDs',
'Attribute Mapping', 'Allowed Attributes']:
if not self.user.is_admin:
raise UnauthorizedUser(
"Unauthorized to set %s" % key
)
# Make changes in current config
for name, option in conf.iteritems():
value = new_db_values.get(name, False)
# A value of None means remove from the data store
if value is False or value == []:
continue
if name == 'Name':
if not self.sp.is_valid_name(value):
raise InvalidValueFormat(
'Invalid name! Use only numbers and'
' letters'
)
self.sp.name = value
self.url = '%s/sp/%s' % (self.parent.url, value)
self.parent.rename_sp(option.get_value(), value)
elif name == 'User Owner':
self.sp.owner = value
elif name == 'Default NameID':
self.sp.default_nameid = value
elif name == 'Allowed NameIDs':
self.sp.allowed_nameids = value
elif name == 'Attribute Mapping':
self.sp.attribute_mappings = value
elif name == 'Allowed Attributes':
self.sp.allowed_attributes = value
except InvalidValueFormat, e:
message = str(e)
message_type = ADMIN_STATUS_WARN
return self.root_with_msg(message, message_type)
except UnauthorizedUser, e:
message = str(e)
message_type = ADMIN_STATUS_ERROR
return self.root_with_msg(message, message_type)
except Exception as e: # pylint: disable=broad-except
self._debug("Error: %s" % repr(e))
message = "Internal Error"
message_type = ADMIN_STATUS_ERROR
return self.root_with_msg(message, message_type)
try:
self.sp.save_properties()
message = "Properties successfully changed"
message_type = ADMIN_STATUS_OK
except Exception as e: # pylint: disable=broad-except
self.error('Failed to save data: %s' % e)
message = "Failed to save data!"
message_type = ADMIN_STATUS_ERROR
else:
self.sp.refresh_config()
return self.root_with_msg(message=message,
message_type=message_type)
def delete(self):
self.parent.del_sp(self.sp.name)
self.sp.permanently_delete()
return self.parent.root()
delete.public_function = True
class Saml2AdminPage(AdminPage):
def __init__(self, site, config):
super(Saml2AdminPage, self).__init__(site)
self.name = 'admin'
self.cfg = config
self.providers = []
self.menu = []
self.url = None
self.sp = AdminPage(self._site)
def add_sp(self, name, sp):
page = SPAdminPage(sp, self._site, self)
self.sp.add_subtree(name, page)
self.providers.append(sp)
return page
def rename_sp(self, oldname, newname):
page = getattr(self.sp, oldname)
self.sp.del_subtree(oldname)
self.sp.add_subtree(newname, page)
def del_sp(self, name):
try:
page = getattr(self.sp, name)
self.providers.remove(page.sp)
self.sp.del_subtree(name)
except Exception, e: # pylint: disable=broad-except
self._debug("Failed to remove provider %s: %s" % (name, str(e)))
def add_sps(self):
if self.cfg.idp:
for p in self.cfg.idp.get_providers():
try:
sp = ServiceProvider(self.cfg, p)
self.del_sp(sp.name)
self.add_sp(sp.name, sp)
except Exception, e: # pylint: disable=broad-except
self._debug("Failed to find provider %s: %s" % (p, str(e)))
def mount(self, page):
self.menu = page.menu
self.url = '%s/%s' % (page.url, self.name)
self.add_sps()
self.add_subtree('new', NewSPAdminPage(self._site, self))
page.add_subtree(self.name, self)
def root(self, *args, **kwargs):
return self._template('admin/providers/saml2.html',
title='SAML2 Administration',
providers=self.providers,
baseurl=self.url,
menu=self.menu)
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