mirror of
https://github.com/YunoHost/moulinette.git
synced 2024-09-03 20:06:31 +02:00
378 lines
9.9 KiB
Python
378 lines
9.9 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import sys
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try:
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import ldap
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except ImportError:
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sys.stderr.write('Error: Yunohost CLI Require LDAP lib\n')
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sys.stderr.write('apt-get install python-ldap\n')
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sys.exit(1)
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import ldap.modlist as modlist
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import json
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import re
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import getpass
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import random
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import string
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if not __debug__:
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import traceback
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def random_password(length=8):
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char_set = string.ascii_uppercase + string.digits + string.ascii_lowercase
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return ''.join(random.sample(char_set,length))
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def colorize(astr, color):
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"""
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Print with style ;)
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Keyword arguments:
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astr -- String to colorize
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color -- Name of the color
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"""
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color_dict = {
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'red' : '31',
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'green' : '32',
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'yellow': '33',
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'cyan' : '34',
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'purple': '35'
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}
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return "\033["+ color_dict[color] +"m\033[1m" + astr + "\033[m"
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def pretty_print_dict(d, depth=0):
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for k,v in sorted(d.items(), key=lambda x: x[0]):
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k = colorize(str(k), 'purple')
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if isinstance(v, list) and len(v) == 1:
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v = v[0]
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if isinstance(v, dict):
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print((" ") * depth + ("%s: " % str(k)))
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pretty_print_dict(v, depth+1)
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elif isinstance(v, list):
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print((" ") * depth + ("%s: " % str(k)))
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for value in v:
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print((" ") * (depth+1) + "- " +str(value))
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else:
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print((" ") * depth + "%s: %s" % (str(k), str(v)))
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def win_msg(astr):
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"""
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Display a success message if isatty
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Keyword arguments:
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astr -- Win message to display
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"""
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if os.isatty(1):
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print('\n' + colorize(_("Success: "), 'green') + astr + '\n')
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def str_to_func(astr):
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"""
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Call a function from a string name
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Keyword arguments:
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astr -- Name of function to call
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Returns:
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Function
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"""
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try:
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module, _, function = astr.rpartition('.')
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if module:
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__import__(module)
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mod = sys.modules[module]
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else:
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mod = sys.modules['__main__'] # default module
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func = getattr(mod, function)
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except (AttributeError, ImportError):
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#raise YunoHostError(168, _('Function is not defined'))
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return None
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else:
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return func
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def validate(pattern, array):
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"""
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Validate attributes with a pattern
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Keyword arguments:
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pattern -- Regex to match with the strings
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array -- List of strings to check
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Returns:
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Boolean | YunoHostError
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"""
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if isinstance(array, str):
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array = [array]
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for string in array:
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if re.match(pattern, string):
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pass
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else:
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raise YunoHostError(22, _('Invalid attribute') + ' ' + string)
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return True
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def get_required_args(args, required_args, password=False):
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"""
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Input missing values or raise Exception
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Keyword arguments:
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args -- Available arguments
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required_args -- Dictionary of required arguments and input phrase
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password -- True|False Hidden password double-input needed
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Returns:
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args
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"""
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try:
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for arg, phrase in required_args.items():
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if not args[arg] and arg != 'password':
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if os.isatty(1):
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args[arg] = raw_input(colorize(phrase + ': ', 'cyan'))
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else:
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raise Exception #FIX
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# Password
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if 'password' in required_args and password:
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if not args['password']:
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if os.isatty(1):
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args['password'] = getpass.getpass(colorize(required_args['password'] + ': ', 'cyan'))
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pwd2 = getpass.getpass(colorize('Retype ' + required_args['password'][0].lower() + required_args['password'][1:] + ': ', 'cyan'))
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if args['password'] != pwd2:
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raise YunoHostError(22, _("Passwords doesn't match"))
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else:
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raise YunoHostError(22, _("Missing arguments"))
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except KeyboardInterrupt, EOFError:
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raise YunoHostError(125, _("Interrupted"))
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return args
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def display_error(error):
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"""
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Nice error displaying
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"""
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if not __debug__ :
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traceback.print_exc()
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if os.isatty(1):
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print('\n' + colorize(_("Error: "), 'red') + error.message)
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else:
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print(json.dumps({ 'error' : error.message }))
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class YunoHostError(Exception):
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"""
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Custom exception
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Keyword arguments:
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code -- Integer error code
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message -- Error message to display
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"""
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def __init__(self, code, message):
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code_dict = {
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1 : _('Fail'),
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13 : _('Permission denied'),
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17 : _('Already exists'),
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22 : _('Invalid arguments'),
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87 : _('Too many users'),
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111 : _('Connection refused'),
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122 : _('Quota exceeded'),
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125 : _('Operation canceled'),
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167 : _('Not found'),
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168 : _('Undefined'),
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169 : _('LDAP operation error')
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}
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self.code = code
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self.message = message
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if code_dict[code]:
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self.desc = code_dict[code]
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else:
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self.desc = code
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class Singleton(object):
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instances = {}
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def __new__(cls, *args, **kwargs):
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if cls not in cls.instances:
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cls.instances[cls] = super(Singleton, cls).__new__(cls, *args, **kwargs)
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return cls.instances[cls]
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class YunoHostLDAP(Singleton):
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""" Specific LDAP functions for YunoHost """
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pwd = False
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conn = ldap.initialize('ldap://localhost:389')
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base = 'dc=yunohost,dc=org'
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level = 0
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def __enter__(self):
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return self
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def __init__(self, password=False):
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"""
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Connect to LDAP base
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Initialize to localhost, base yunohost.org, prompt for password
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"""
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if password: self.pwd = password
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elif self.pwd: pass
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else:
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try:
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self.pwd = getpass.getpass(colorize(_('Admin Password: '), 'yellow'))
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except KeyboardInterrupt, EOFError:
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raise YunoHostError(125, _("Interrupted"))
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self.level = self.level+1
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try:
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self.conn.simple_bind_s('cn=admin,' + self.base, self.pwd)
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except ldap.INVALID_CREDENTIALS:
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raise YunoHostError(13, _('Invalid credentials'))
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def __exit__(self, type, value, traceback):
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self.level = self.level-1
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if self.level == 0:
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try: self.disconnect()
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except: pass
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def disconnect(self):
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"""
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Unbind from LDAP
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Returns
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Boolean | YunoHostError
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"""
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try:
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self.conn.unbind_s()
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except:
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raise YunoHostError(169, _('An error occured during disconnection'))
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else:
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return True
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def search(self, base=None, filter='(objectClass=*)', attrs=['dn']):
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"""
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Search in LDAP base
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Keyword arguments:
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base -- Base to search into
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filter -- LDAP filter
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attrs -- Array of attributes to fetch
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Returns:
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Boolean | Dict
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"""
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if not base:
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base = self.base
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try:
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result = self.conn.search_s(base, ldap.SCOPE_SUBTREE, filter, attrs)
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except:
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raise YunoHostError(169, _('An error occured during LDAP search'))
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if result:
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result_list = []
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for dn, entry in result:
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if attrs != None:
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if 'dn' in attrs:
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entry['dn'] = [dn]
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result_list.append(entry)
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return result_list
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else:
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return False
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def add(self, rdn, attr_dict):
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"""
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Add LDAP entry
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Keyword arguments:
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rdn -- DN without domain
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attr_dict -- Dictionnary of attributes/values to add
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Returns:
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Boolean | YunoHostError
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"""
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dn = rdn + ',' + self.base
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ldif = modlist.addModlist(attr_dict)
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try:
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self.conn.add_s(dn, ldif)
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except:
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raise YunoHostError(169, _('An error occured during LDAP entry creation'))
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else:
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return True
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def remove(self, rdn):
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"""
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Remove LDAP entry
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Keyword arguments:
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rdn -- DN without domain
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Returns:
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Boolean | YunoHostError
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"""
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dn = rdn + ',' + self.base
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try:
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self.conn.delete_s(dn)
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except:
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raise YunoHostError(169, _('An error occured during LDAP entry deletion'))
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else:
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return True
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def update(self, rdn, attr_dict, new_rdn=False):
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"""
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Modify LDAP entry
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Keyword arguments:
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rdn -- DN without domain
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attr_dict -- Dictionnary of attributes/values to add
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new_rdn -- New RDN for modification
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Returns:
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Boolean | YunoHostError
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"""
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dn = rdn + ',' + self.base
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actual_entry = self.search(base=dn, attrs=None)
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ldif = modlist.modifyModlist(actual_entry[0], attr_dict, ignore_oldexistent=1)
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try:
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if new_rdn:
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self.conn.rename_s(dn, new_rdn)
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dn = new_rdn + ',' + self.base
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self.conn.modify_ext_s(dn, ldif)
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except:
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raise YunoHostError(169, _('An error occured during LDAP entry update'))
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else:
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return True
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def validate_uniqueness(self, value_dict):
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"""
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Check uniqueness of values
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Keyword arguments:
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value_dict -- Dictionnary of attributes/values to check
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Returns:
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Boolean | YunoHostError
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"""
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for attr, value in value_dict.items():
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if not self.search(filter=attr + '=' + value):
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continue
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else:
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raise YunoHostError(17, _('Attribute already exists') + ' "' + attr + '=' + value + '"')
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return True
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