1 | # -*- encoding: utf-8 -*- |
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2 | """! |
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3 | Vista que controla los procesos de los usuarios |
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4 | |
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5 | @author Ing. Leonel P. Hernandez M. (leonelphm at gmail.com) |
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6 | @copyright <a href='http://www.gnu.org/licenses/gpl-2.0.html'>GNU Public License versión 2 (GPLv2)</a> |
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7 | @date 09-01-2017 |
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8 | @version 1.0.0 |
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9 | """ |
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10 | from django.core import serializers |
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11 | from django import forms |
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12 | from django.db.models import Q |
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13 | from django.conf import settings |
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14 | from django.contrib import messages |
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15 | from django.contrib.auth import ( |
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16 | authenticate, logout, login |
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17 | ) |
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18 | |
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19 | from django.contrib.admin.models import LogEntry, ADDITION, CHANGE, DELETION |
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20 | from django.contrib.auth.models import ( |
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21 | Group, Permission, User |
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22 | ) |
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23 | from django.contrib.auth.views import redirect_to_login |
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24 | from django.contrib.auth.mixins import ( |
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25 | LoginRequiredMixin |
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26 | ) |
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27 | from django.contrib.contenttypes.models import ContentType |
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28 | from django.contrib.messages.views import SuccessMessageMixin |
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29 | from django.core.exceptions import PermissionDenied |
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30 | from django.core.validators import validate_email |
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31 | from django.core.urlresolvers import ( |
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32 | reverse_lazy, reverse |
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33 | ) |
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34 | |
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35 | from django.shortcuts import ( |
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36 | render, redirect, get_object_or_404 |
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37 | ) |
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38 | from django.views.generic import TemplateView |
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39 | from django.views.generic.base import RedirectView |
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40 | from django.views.generic.edit import ( |
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41 | FormView, UpdateView |
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42 | ) |
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43 | from multi_form_view import MultiModelFormView |
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44 | |
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45 | from .forms import ( |
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46 | FormularioLogin, FormularioUpdate |
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47 | ) |
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48 | |
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49 | from base.views import ( |
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50 | LoginRequeridoPerAuth |
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51 | ) |
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52 | from base.messages import MENSAJES_LOGIN, MENSAJES_START |
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53 | |
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54 | class LoginView(FormView): |
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55 | """! |
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56 | Muestra el formulario de ingreso a la aplicación |
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57 | |
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58 | @author Ing. Leonel P. Hernandez M. (leonelphm at gmail.com) |
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59 | @copyright <a href='http://www.gnu.org/licenses/gpl-2.0.html'>GNU Public License versión 2 (GPLv2)</a> |
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60 | @date 09-01-2017 |
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61 | @version 1.0.0 |
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62 | """ |
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63 | form_class = FormularioLogin |
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64 | template_name = 'users_login.html' |
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65 | success_url = '/inicio/' |
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66 | |
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67 | def form_valid(self, form): |
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68 | """ |
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69 | Valida el formulario de logeo |
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70 | @return: Dirige a la pantalla inicial de la plataforma |
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71 | """ |
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72 | usuario = form.cleaned_data['usuario'] |
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73 | contrasena = form.cleaned_data['contrasena'] |
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74 | try: |
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75 | usuario = User.objects.get(email=usuario).username |
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76 | except: |
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77 | messages.error(self.request, 'No existe este correo: %s \ |
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78 | asociado a una cuenta' % (usuario)) |
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79 | usuario = authenticate(username=usuario, password=contrasena) |
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80 | if usuario is not None: |
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81 | login(self.request, usuario) |
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82 | self.request.session['permisos'] = list(usuario.get_all_permissions()) |
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83 | try: |
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84 | grupos = usuario.groups.all() |
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85 | grupo = [] |
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86 | if len(grupos) > 1: |
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87 | for g in grupos: |
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88 | grupo += str(g), |
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89 | else: |
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90 | grupo = str(usuario.groups.get()) |
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91 | except: |
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92 | grupo = "No pertenece a un grupo" |
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93 | |
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94 | self.request.session['grupos'] = grupo |
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95 | |
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96 | if self.request.POST.get('remember_me') is not None: |
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97 | # Session expira a los dos meses si no se deslogea |
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98 | self.request.session.set_expiry(1209600) |
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99 | messages.info(self.request, MENSAJES_START['INICIO_SESION'] % (usuario.first_name, usuario.username)) |
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100 | else: |
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101 | user = User.objects.filter(username=form.cleaned_data['usuario']) |
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102 | if user: |
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103 | user = user.get() |
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104 | if not user.is_active: |
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105 | self.success_url = reverse_lazy('users:login') |
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106 | messages.error(self.request, MENSAJES_LOGIN['CUENTA_INACTIVA']) |
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107 | else: |
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108 | self.success_url = reverse_lazy('users:login') |
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109 | messages.warning(self.request, MENSAJES_LOGIN['LOGIN_USUARIO_NO_VALIDO']) |
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110 | |
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111 | return super(LoginView, self).form_valid(form) |
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112 | |
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113 | |
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114 | class LogOutView(RedirectView): |
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115 | """! |
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116 | Salir de la apliacion |
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117 | |
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118 | @author Ing. Leonel P. Hernandez M. (leonelphm at gmail.com) |
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119 | @copyright <a href='http://www.gnu.org/licenses/gpl-2.0.html'>GNU Public License versión 2 (GPLv2)</a> |
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120 | @date 09-01-2017 |
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121 | @version 1.0.0 |
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122 | """ |
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123 | permanent = False |
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124 | query_string = True |
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125 | |
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126 | def get_redirect_url(self): |
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127 | """! |
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128 | Dirige a la pantalla del login |
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129 | @return: A la url del login |
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130 | """ |
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131 | logout(self.request) |
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132 | return reverse_lazy('users:login') |
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