131 lines
4.8 KiB
Python
131 lines
4.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# CRANS_UTILS.PY-- Utils for Cr@ns gestion
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#
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# Copyright (c) 2010, Cr@ns <roots@crans.org>
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# Author: Antoine Durand-Gasselin <adg@crans.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the Cr@ns nor the names of its contributors may
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# be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import calendar, netaddr, re, time, smtplib, sys
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sys.path.append('/usr/scripts/gestion')
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import config
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from unicodedata import normalize
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def ip_of_mid(mid):
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"""Convertit un mid en son IP associée"""
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for net, plage in config.mid.items():
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if mid >= plage[0] and mid <= plage[1]:
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break
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else:
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raise ValueError("Mid dans aucune plage: %d" % mid)
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return netaddr.IPAddress(netaddr.IPNetwork(config.NETs[net][0]).first + mid - plage[0])
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def strip_accents(a):
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""" Supression des accents de la chaîne fournie"""
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res = normalize('NFKD', a).encode('ASCII', 'ignore')
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return unicode(res)
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def strip_spaces(a):
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""" Suppression des espaces et des apostrophes"""
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return a.replace(u' ', u'_').replace(u"'", u'')
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def mailexist(mail):
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"""Vérifie si une adresse mail existe ou non grace à la commande
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vrfy du serveur mail """
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mail = mail.split('@', 1)[0]
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# try:
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s = smtplib.SMTP('smtp.adm.crans.org')
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s.putcmd("vrfy", mail)
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r = s.getreply()[0] in [250, 252]
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s.close()
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# except:
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# raise ValueError(u'Serveur de mail injoignable')
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return r
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def format_ldap_time(tm):
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u"""Formatage des dates provenant de la base LDAP
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Transforme la date YYYYMMDDHHMMSS.XXXXXXZ (UTC)
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en date DD/MM/YY HH:MM (local)"""
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tm_st = time.strptime(tm.split('.')[0], "%Y%m%d%H%M%S") # struct_time UTC
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timestamp = calendar.timegm(tm_st)
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tm_st = time.localtime(timestamp) # struct_time locale
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return time.strftime("%d/%m/%Y %H:%M", tm_st)
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def format_mac(mac):
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u""" Formatage des adresses mac
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Transforme une adresse pour obtenir la forme xx:xx:xx:xx:xx:xx
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Retourne la mac formatée.
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"""
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mac = netaddr.EUI(mac)
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if not mac:
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raise ValueError(u"MAC nulle interdite\nIl doit être possible de modifier l'adresse de la carte.")
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return str(mac).replace('-', ':')
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def format_tel(tel):
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u"""Formatage des numéros de téléphone
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Transforme un numéro de téléphone pour ne contenir que des chiffres
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(00ii... pour les numéros internationaux)
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Retourne le numéro formaté.
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"""
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tel_f = tel.strip()
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if tel_f.startswith(u"+"):
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tel_f = u"00" + tel_f[1:]
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if u"(0)" in tel_f:
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tel_f = tel_f.replace(u"(0)", u"")
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tel_f = re.sub(r'\D', '', tel_f)
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return tel_f
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def validate_name(value, more_chars=""):
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"""Valide un nom: ie un unicode qui contient lettres, espaces et
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apostrophes, et éventuellement des caractères additionnels"""
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if re.match("^[A-Za-z0-9]([-' %s]?[A-Za-z0-9])*$" % more_chars,
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normalize('NFKD', value).encode('ASCII', 'ignore')):
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return value
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else:
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raise ValueError("Nom invalide ('%s')" % value)
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def ldap_sanitize(s):
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""" Échappe les caractères spéciaux ldap.
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(Si vous avez une méthode plus propre pour coder ça, je suis preneur)
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Todo: rajouter conversion pour caractère utf-8 multioctets ?
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(cf http://blog.dzhuvinov.com/?p=585 )
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"""
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replace = {
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'*': '\\2a',
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'(': '\\28',
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')': '\\29',
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'\\': '\\5c',
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'\x00': '\\00'}
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def conv(c):
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try: return replace[c]
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except KeyError: return c
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return "".join([conv(c) for c in s])
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