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import os
import sys
import ldap
import logging
import logging.handlers
from collections import namedtuple
from dodai import Configure
from d2 import db, util
try:
from collections import OrderedDict
except ImportError:
from ordereddict import OrderedDict
class LdapConnector(object):
VERSION_DEFAULT = 2
ARGS = ['con', 'base_dn']
def __init__(self):
self._make_tuple = namedtuple('D2Ldap', self.ARGS)
def __call__(self, sections):
if 'ldap' in sections:
self._set_certfile(sections)
con = self._initialize(sections)
self._set_version(sections, con)
self._bind(sections, con)
return self._make_tuple(con, sections['ldap']['base_dn'])
def _set_certfile(self, sections):
if 'certfile' in sections['ldap']:
certfile = util.expand_path(sections['ldap']['certfile'])
if os.path.exists(certfile):
ldap.set_option(ldap.OPT_X_TLS_CACERTFILE, certfile)
def _initialize(self, sections):
con = ldap.initialize(sections['ldap']['server'])
con.set_option(ldap.OPT_X_TLS_DEMAND, True)
con.set_option(ldap.OPT_REFERRALS, 0)
return con
def _set_version(self, sections, con):
if 'version' in sections['ldap'] and \
sections['ldap']['version']:
try:
version = int(sections['ldap']['version'])
except ValueError:
pass
else:
if version >= ldap.VERSION_MIN and version <= ldap.VERSION_MAX:
con.protocol_version = version
con.protocol_version = self.VERSION_DEFAULT
def _bind(self, sections, con):
try:
# Bind with username and password
con.bind_s(sections['ldap']['username'],
sections['ldap']['password'])
except ldap.INVALID_CREDENTIALS:
print "Your username or password is incorrect."
sys.exit()
except ldap.LDAPError, e:
if type(e.message) == dict and e.message.has_key('desc'):
print e.message['desc']
else:
print e
class Config(object):
def __init__(self, project, configure, ldap_connector):
self.project = project
self._configure = configure(self.project)
self._ldap_connector = ldap_connector
self._program_ = None
self._sections_ = None
self._db_ = None
self._ldap_ = None
self._log_ = None
@property
def program(self):
if not self._program_:
self._program_ = os.path.splitext(os.path.basename(sys.argv[0]))[0]
return self._program_
@property
def sections(self):
if not self._sections_:
sections = self._configure.files.load()
self._sections_ = OrderedDict()
for section, data in sections.items():
self._sections_[section] = OrderedDict()
for key, value in data.items():
self._sections_[section][key] = value
return self._sections_
@property
def db(self):
if not self._db_:
self._configure.databases.add(self.sections)
self._db_ = self._configure.databases.load('db')
# Set the schema on the db objects if any exist
if ('schema' in self.sections['db'] and
self.sections['db']['schema']):
for name, obj in db.Base.metadata.tables.items():
setattr(obj, 'schema', self.sections['db']['schema'])
return self._db_
@property
def ldap(self):
if not self._ldap_:
self._ldap_ = self._ldap_connector(self.sections)
return self._ldap_
@property
def data_directory(self):
return self.sections['directories']['data']
@property
def template_directory(self):
return self.sections['web_server']['template_directory']
@property
def port(self):
return int(self.sections['web_server']['port'])
@property
def static_directory(self):
return self.sections['web_server']['static_directory']
@property
def index_directory(self):
return self.sections['directories']['index']
@property
def log(self):
if not self._log_:
self._configure.logs.set_log_level(
self.sections['log']['level'])
self._log_ = self._configure.logs.load(self.program)
self._configure.logs.attach_file_handler(self._log_,
self.sections['log']['log_file'])
self._configure.logs.attach_screen_handler(self._log_)
return self._log_
@classmethod
def load(cls, project='d2', configure=None, ldap_connector=None):
configure = configure or Configure
ldap_connector = ldap_connector or LdapConnector()
return cls(project, configure, ldap_connector)
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