#!/usr/bin/env python
# -*- coding: utf-8 -*-
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# Génération de password  #
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from whrandom import choice
import string
jabberuserdir='/var/lib/jabber/jabber.crans.org/'
def GenPasswd(length=8, chars=string.letters + string.digits):
    return ''.join([choice(chars) for i in range(length)])

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# Parseur de templates    #
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import re, sys

def parse(text, var_dictiary):
    def replace(matchobj):
        token = matchobj.group(1)
        if var_dictiary.has_key(token):
            return var_dictiary.get(token)
        else:
            return matchobj.group()
            #raise NameError, 'parseur : variable inconnue : '+token
    return re.sub('\{([^\}]+)\}',replace, text)
    
def parse_file(file_name, var_dictionary):
    file = open(file_name, 'r')
    text = file.read();
    return parse(text, var_dictionary);
    
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# Modifier le fichier XML #
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def XMLChgePassword(XMLString, newPassword):
    pattern = "<password xmlns='jabber:iq:auth'>(.*)</password>"
    replace = "<password xmlns='jabber:iq:auth'>" + newPassword + "</password>"
    XMLString = re.sub(pattern, replace, XMLString)
    pattern = "<password xmlns='jabber:iq:auth' xdbns='jabber:iq:auth'>(.*)</password>"
    replace = "<password xmlns='jabber:iq:auth' xdbns='jabber:iq:auth'>" + newPassword + "</password>"
    return re.sub(pattern, replace, XMLString)
    
def chgePasswordForUser(user, newPassword):
    fileName = jabberuserdir+user+".xml"
    file=open(fileName)
    xmlString=file.read()
    xmlString = XMLChgePassword(xmlString, newPassword)
    file=open(fileName,'w')
    file.write(xmlString)
    file.close()
    os.chmod(fileName,0600)

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# Lire le fichier XML       #
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def XMLMailForUser(user):
    fileName = jabberuserdir+user+".xml"
    file=open(fileName)
    xmlString=file.read()
    return re.sub("<email>([^<>]*)</email>",lambda m:m.group(1),re.search('<email>([^<>]*)</email>',xmlString).group())


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# Envoyer des e-mails       #
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SENDMAIL = "/usr/sbin/sendmail"  # sendmail location
import os

def sendmail(text):
    p = os.popen("%s -t" % SENDMAIL, "w")
    p.write(text)
    sts = p.close()
    if sts != None:
        print "Sendmail exit status :", sts
        
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# ok, maintenant on vas     #
# faire des trucs           #
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# on regarde la variable des champs renvoyŽs par l'utilisateur
# si elle est dŽfinit (donc on a reu les rŽponses ˆ un forulaire)
# on execute l'action correspondante ; sinon on affiche la page par defaut