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#!/usr/bin/python
#
# 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/>.
from ipsilon.util.log import Log
from ipsilon.util.plugin import PluginInstaller, PluginLoader
from ipsilon.util.plugin import PluginObject, PluginConfig
from ipsilon.util.page import Page
import cherrypy
class ProviderException(Exception, Log):
def __init__(self, message):
super(ProviderException, self).__init__(message)
self.message = message
def __str__(self):
return repr(self.message)
class AuthenticationError(ProviderException):
def __init__(self, message, code):
super(AuthenticationError, self).__init__(message)
self.code = code
self._debug('%s [%s]' % (message, code))
class InvalidRequest(ProviderException):
def __init__(self, message):
super(InvalidRequest, self).__init__(message)
self._debug(message)
class ProviderBase(PluginConfig, PluginObject):
def __init__(self, name, path):
PluginConfig.__init__(self)
PluginObject.__init__(self)
self.name = name
self.path = path
self.tree = None
self.is_enabled = False
def on_enable(self):
# this one does nothing
# derived classes can override with custom behavior
return
def get_tree(self, site):
raise NotImplementedError
def register(self, site):
if self.tree:
# already registered
return
# configure self
plugins = site[FACILITY]
if self.name in plugins['config']:
self.import_config(plugins['config'][self.name])
# init pages and admin interfaces
self.tree = self.get_tree(site)
self._debug('IdP Provider registered: %s' % self.name)
if self.get_config_value('enabled') is True:
# and enable self
self._enable(site)
def _enable(self, site):
root = site[FACILITY]['root']
root.add_subtree(self.name, self.tree)
self._debug('IdP Provider enabled: %s' % self.name)
self.is_enabled = True
self.on_enable()
def enable(self, site):
if self.is_enabled:
return
self._enable(site)
self.set_config_value('enabled', True)
self.save_plugin_config(FACILITY)
def disable(self, site):
if not self.is_enabled:
return
# remove self to the root
root = site[FACILITY]['root']
root.del_subtree(self.name)
self.is_enabled = False
self.set_config_value('enabled', False)
self.save_plugin_config(FACILITY)
self._debug('IdP Provider disabled: %s' % self.name)
class ProviderPageBase(Page):
def __init__(self, site, config):
super(ProviderPageBase, self).__init__(site)
self.plugin_name = config.name
self.cfg = config
def GET(self, *args, **kwargs):
raise cherrypy.HTTPError(501)
def POST(self, *args, **kwargs):
raise cherrypy.HTTPError(501)
def root(self, *args, **kwargs):
method = cherrypy.request.method
preop = getattr(self, 'pre_%s' % method, None)
if preop and callable(preop):
preop(*args, **kwargs)
op = getattr(self, method, self.GET)
if callable(op):
return op(*args, **kwargs)
else:
raise cherrypy.HTTPError(405)
def _debug(self, fact):
superfact = '%s: %s' % (self.plugin_name, fact)
super(ProviderPageBase, self)._debug(superfact)
def _audit(self, fact):
cherrypy.log('%s: %s' % (self.plugin_name, fact))
FACILITY = 'provider_config'
class LoadProviders(Log):
def __init__(self, root, site):
loader = PluginLoader(LoadProviders, FACILITY, 'IdpProvider')
site[FACILITY] = loader.get_plugin_data()
providers = site[FACILITY]
available = providers['available'].keys()
self._debug('Available providers: %s' % str(available))
providers['root'] = root
for item in providers['available']:
plugin = providers['available'][item]
plugin.register(site)
class ProvidersInstall(object):
def __init__(self):
pi = PluginInstaller(ProvidersInstall)
self.plugins = pi.get_plugins()
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