moulinette/lib/yunohost.py
2012-10-08 18:24:40 +02:00

149 lines
3.9 KiB
Python

# -*- coding: utf-8 -*-
import os
import sys
import ldap
import ldap.modlist as modlist
import re
import getpass
def colorize(astr, color):
color_dict = {
'red' : '31',
'green' : '32',
'yellow': '33',
'cyan' : '34',
'purple': '35'
}
return "\033["+ color_dict[color] +"m\033[1m" + astr + "\033[m"
def win_msg(astr):
if os.isatty(1):
print('\n' + colorize(_("Success: "), 'green') + astr + '\n')
def str_to_func(astr):
"""
Call a function from a string name
Keyword arguments:
astr -- Name of function to call
Returns:
Function
"""
module, _, function = astr.rpartition('.')
if module:
__import__(module)
mod = sys.modules[module]
else:
mod = sys.modules['__main__'] # default module
try:
func = getattr(mod, function)
except NameError:
raise YunoHostError(168, _('Function is not defined'))
else:
return func
class YunoHostError(Exception):
""" Custom exception """
def __init__(self, code, message):
code_dict = {
1 : _('Fail'),
13 : _('Permission denied'),
17 : _('Already exists'),
22 : _('Invalid arguments'),
87 : _('Too many users'),
111 : _('Connection refused'),
122 : _('Quota exceeded'),
125 : _('Operation canceled'),
167 : _('Not found'),
168 : _('Undefined'),
169 : _('LDAP operation error')
}
self.code = code
self.message = message
if code_dict[code]:
self.desc = code_dict[code]
else:
self.desc = code
class YunoHostLDAP:
""" Specific LDAP functions for YunoHost """
def __init__(self):
""" Connect to LDAP base """
self.conn = ldap.initialize('ldap://localhost:389')
self.base = 'dc=yunohost,dc=org'
self.pwd = getpass.getpass(_('LDAP Admin Password: '))
try:
self.conn.simple_bind_s('cn=admin,' + self.base, self.pwd)
except ldap.INVALID_CREDENTIALS:
raise YunoHostError(13, _('Invalid credentials'))
def disconnect(self):
""" Unbind from LDAP """
try:
self.conn.unbind_s()
except:
raise YunoHostError(169, _('An error occured during disconnection'))
else:
return True
def search(self, base=None, filter='(objectClass=*)', attrs=['dn']):
""" Search in LDAP base """
if not base:
base = self.base
try:
result = self.conn.search_s(base, ldap.SCOPE_SUBTREE, filter, attrs)
except:
raise YunoHostError(169, _('An error occured during LDAP search'))
if result:
result_list = []
for dn, entry in result:
if 'dn' in attrs:
entry['dn'] = [dn]
result_list.append(entry)
return result_list
else:
return False
def add(self, rdn, attr_dict):
""" Add LDAP entry """
dn = rdn + ',' + self.base
ldif = modlist.addModlist(attr_dict)
try:
self.conn.add_s(dn, ldif)
except:
raise YunoHostError(169, _('An error occured during LDAP entry creation'))
else:
return True
def validate(self, regex_dict):
for attr, pattern in regex_dict.items():
if re.match(pattern, attr):
continue
else:
raise YunoHostError(22, _('Invalid attribute') + ' ' + attr)
return True
def validate_uniqueness(self, value_dict):
for attr, value in value_dict.items():
if not self.search(filter=attr + '=' + value):
continue
else:
raise YunoHostError(17, _('Attribute already exists') + ' "' + attr + '=' + value + '"')
return True