Implement rights for anonymous as requested by #45

openslides/application/models.py

@@ -323,7 +323,7 @@ class Application(models.Model):
             if  self.status == "pub" \
             and user != self.submitter \
             and user not in self.supporter.all() \
-            and user.profile:
+            and getattr(user, 'profile', None):
                 actions.append("support")
         except Profile.DoesNotExist:
             pass

openslides/application/views.py

@@ -9,9 +9,9 @@
     :copyright: 2011 by the OpenSlides team, see AUTHORS.
     :license: GNU GPL, see LICENSE for more details.
 """
+from __future__ import with_statement
 
 import csv
-
 from django.shortcuts import redirect
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
@@ -441,6 +441,9 @@ def application_import(request):
         return redirect(reverse('application_overview'))
     except Profile.DoesNotExist:
         pass
+    except AttributeError:
+        # AnonymousUser
+        pass
 
     if request.method == 'POST':
         form = ApplicationImportForm(request.POST, request.FILES)

openslides/default.settings.py

@@ -18,6 +18,7 @@ DEBUG = True
 TEMPLATE_DEBUG = DEBUG
 
 AUTH_PROFILE_MODULE = 'participant.Profile'
+AUTHENTICATION_BACKENDS = ('django.contrib.auth.backends.ModelBackend', 'openslides.system.auth.AnonymousAuth',)
 LOGIN_URL = '/login/'
 LOGIN_REDIRECT_URL = '/agenda/'
 
@@ -137,4 +138,5 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     'django.core.context_processors.request',
     'django.core.context_processors.i18n',
     'utils.utils.revision',
+    'openslides.system.auth.anonymous_context_additions',
 )

openslides/locale/de/LC_MESSAGES/django.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2011-11-09 22:57+0100\n"
+"POT-Creation-Date: 2011-11-10 23:13+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,11 +17,11 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1)\n"
 
-#: default.settings.py:59 settings.py:59
+#: default.settings.py:60 settings.py:60
 msgid "German"
 msgstr "Deutsch"
 
-#: default.settings.py:60 settings.py:60
+#: default.settings.py:61 settings.py:61
 msgid "English"
 msgstr "Englisch"
 
@@ -53,7 +53,7 @@ msgstr "Ja, mit allen Kindelementen."
 msgid "No"
 msgstr "Nein"
 
-#: agenda/api.py:67 participant/views.py:164 participant/views.py:242
+#: agenda/api.py:67 participant/views.py:165 participant/views.py:268
 #: utils/utils.py:40
 #, python-format
 msgid "Do you really want to delete <b>%s</b>?"
@@ -145,9 +145,9 @@ msgstr "Eintrag wurde erfolgreich geändert."
 msgid "Agenda item modified"
 msgstr "Tagesordnungseintrag geändert"
 
-#: agenda/views.py:283 application/views.py:526 participant/views.py:141
+#: agenda/views.py:283 application/views.py:526 participant/views.py:142
-#: participant/views.py:227 participant/views.py:256 participant/views.py:313
+#: participant/views.py:253 participant/views.py:282 participant/views.py:339
-#: system/views.py:32 system/views.py:74
+#: system/views.py:48 system/views.py:91
 msgid "Please check the form for errors."
 msgstr "Bitte kontrollieren Sie das Formular nach Fehlern."
 
@@ -727,7 +727,7 @@ msgstr "FEHLER beim Zurückweisen der Version."
 msgid "Do you really want to reject version <b>%s</b>?"
 msgstr "Soll Version <b>%s</b> wirklich zurückgewiesen werden?"
 
-#: application/views.py:440 participant/views.py:272
+#: application/views.py:440 participant/views.py:298
 msgid ""
 "The import function is available for the superuser (without user profile) "
 "only."
@@ -1359,62 +1359,67 @@ msgstr "Amt"
 msgid "First Password"
 msgstr "Erstes Passwort"
 
-#: participant/views.py:133
+#: participant/views.py:134
 msgid "New participant was successfully created."
 msgstr "Neue/r Teilnehmer/in wurde erfolgreich angelegt."
 
-#: participant/views.py:135
+#: participant/views.py:136
 msgid "Participant was successfully modified."
 msgstr "Teilnehmer/in wurde erfolgreich geändert."
 
-#: participant/views.py:162
+#: participant/views.py:163
 #, python-format
 msgid "Participant <b>%s</b> was successfully deleted."
 msgstr "Teilnehmer/in <b>%s</b> wurde erfolgreich gelöscht."
 
-#: participant/views.py:174
+#: participant/views.py:175
 #, python-format
 msgid "Participant <b>%s</b> is now a normal user."
 msgstr "Teilnehmer/in <b>%s</b> ist jetzt ein normaler Nutzer."
 
-#: participant/views.py:178
+#: participant/views.py:179
 #, python-format
 msgid "Participant <b>%s</b> is now administrator."
 msgstr "Teilnehmer/in <b>%s</b> ist jetzt ein Administrator."
 
-#: participant/views.py:188
+#: participant/views.py:189
 #, python-format
 msgid "Participant <b>%s</b> was successfully deactivated."
 msgstr "Teilnehmer/in <b>%s</b> wurde erfolgreich deaktiviert."
 
-#: participant/views.py:192
+#: participant/views.py:193
 #, python-format
 msgid "Participant <b>%s</b> was successfully activated."
 msgstr "Teilnehmer/in <b>%s</b> wurde erfolgreich aktiviert."
 
-#: participant/views.py:219
+#: participant/views.py:231
+#, python-format
+msgid "Group name \"%s\" is reserved for internal use."
+msgstr "Der Gruppenname \"%s\" ist für interne Verwendung reserviert."
+
+#: participant/views.py:245
 msgid "New group was successfully created."
 msgstr "Neue Gruppe wurde erfolgreich angelegt."
 
-#: participant/views.py:221
+#: participant/views.py:247
 msgid "Group was successfully modified."
 msgstr "Gruppe wurde erfolgreich geändert."
 
-#: participant/views.py:240
+#: participant/views.py:266
 #, python-format
 msgid "Group <b>%s</b> was successfully deleted."
 msgstr "Gruppe <b>%s</b>  wurde erfolgreich gelöscht."
 
-#: participant/views.py:254
+#: participant/views.py:280
 msgid "User settings successfully saved."
 msgstr "Nutzereinstellungen wurden erfolgreich gespeichert."
 
-#: participant/views.py:311
+#: participant/views.py:337
 #, python-format
 msgid "%d new participants were successfully imported."
 msgstr "%d neue Teilnehmer/innen wurden erfolgreich importiert."
 
-#: participant/views.py:315
+#: participant/views.py:341
 msgid ""
 "Attention: All existing participants will be removed if you import new "
 "participants."
@@ -1422,14 +1427,14 @@ msgstr ""
 "Achtung: Alle existierenden Teilnehmer/innen werden gelöscht, wenn Sie neue "
 "Teilnehmer/innen importieren."
 
-#: participant/views.py:326
+#: participant/views.py:352
 #, python-format
 msgid "%s Password was successfully generated."
 msgid_plural "%s Passwords were successfully generated."
 msgstr[0] "Es wurde %s Passwort erfolgreich generiert."
 msgstr[1] "Es wurden %s Passwörter erfolgreich generiert."
 
-#: participant/views.py:328
+#: participant/views.py:354
 msgid ""
 "There are no participants which need a first time password. No passwords "
 "generated."
@@ -1437,12 +1442,12 @@ msgstr ""
 "Es sind keine Teilnehmer/innen ohne Erst-Passwort vorhanden. Es wurden keine "
 "Passwörter generiert."
 
-#: participant/views.py:337
+#: participant/views.py:363
 #, python-format
 msgid "The Password for <b>%s</b> was successfully reset."
 msgstr "Das Passwort für <b>%s</b> wurde erfolgreich zurückgesetzt."
 
-#: participant/views.py:339
+#: participant/views.py:365
 #, python-format
 msgid "Do you really want to reset the password for <b>%s</b>?"
 msgstr "Soll das Passwort für <b>%s</b> wirklich zurückgesetzt werden?"
@@ -1528,11 +1533,11 @@ msgstr "Aktionen"
 msgid "Edit group"
 msgstr "Benutzergruppe bearbeiten"
 
-#: participant/templates/participant/group_overview.html:15
+#: participant/templates/participant/group_overview.html:16
 msgid "Delete group"
 msgstr "Benutzergruppe löschen"
 
-#: participant/templates/participant/group_overview.html:20
+#: participant/templates/participant/group_overview.html:22
 #: participant/templates/participant/overview.html:84
 msgid "No participants available."
 msgstr "Keine Teilnehmer/innen vorhanden."
@@ -1551,7 +1556,7 @@ msgstr ""
 
 #: participant/templates/participant/login.html:5
 #: participant/templates/participant/login.html:13
-#: participant/templates/participant/login.html:43 templates/base.html:26
+#: participant/templates/participant/login.html:42 templates/base.html:26
 msgid "Login"
 msgstr "Anmelden"
 
@@ -1564,6 +1569,10 @@ msgid "Your username and password didn't match. Please try again."
 msgstr ""
 "Benutzername und Passwort stimmen nicht überein. Bitte noch einmal versuchen."
 
+#: participant/templates/participant/login.html:46
+msgid "Continue as guest"
+msgstr "Weiter als Gast"
+
 #: participant/templates/participant/overview.html:42 utils/pdf.py:263
 msgid "First Name"
 msgstr "Vorname"
@@ -1637,79 +1646,95 @@ msgstr "System URL"
 msgid "Welcome text (for password PDF)"
 msgstr "Willkommenstext (für Passwort-PDF-Liste)"
 
-#: system/forms.py:29
+#: system/forms.py:24
+msgid "Access for anonymous / guest users"
+msgstr "Zugriff für anonyme oder Gast-Nutzer"
+
+#: system/forms.py:24
+msgid "Allow access for guest users"
+msgstr "Zugriff für Gast-Nutzer aktivieren"
+
+#: system/forms.py:30
 msgid "Event name"
 msgstr "Veranstaltungsname"
 
-#: system/forms.py:30
+#: system/forms.py:31
 msgid "Short description of event"
 msgstr "Kurzbeschreibung der Veranstaltung"
 
-#: system/forms.py:31
+#: system/forms.py:32
 msgid "Event date"
 msgstr "Veranstaltungszeitraum"
 
-#: system/forms.py:32
+#: system/forms.py:33
 msgid "Event location"
 msgstr "Veranstaltungsort"
 
-#: system/forms.py:33
+#: system/forms.py:34
 msgid "Event organizer"
 msgstr "Veranstalter"
 
-#: system/forms.py:39
+#: system/forms.py:40
 msgid "Countdown (in seconds)"
 msgstr "Countdown (in Sekunden)"
 
-#: system/forms.py:45
+#: system/forms.py:46
 msgid "Number of (minimum) required supporters for a application"
 msgstr "Mindestanzahl erforderlicher Unterstützer/innen für einen Antrag"
 
-#: system/forms.py:46
+#: system/forms.py:47
 msgid "Application preamble"
 msgstr "Antragseinleitung"
 
-#: system/forms.py:47 system/forms.py:58
+#: system/forms.py:48 system/forms.py:59
 msgid "Number of ballot papers (selection)"
 msgstr "Anzahl der Wahlscheine (Vorauswahl)"
 
-#: system/forms.py:47 system/forms.py:58
+#: system/forms.py:48 system/forms.py:59
 msgid "Number of all delegates"
 msgstr "Anzahl aller Delegierten"
 
-#: system/forms.py:47 system/forms.py:58
+#: system/forms.py:48 system/forms.py:59
 msgid "Number of all participants"
 msgstr "Anzahl aller Teilnehmer/innen"
 
-#: system/forms.py:47 system/forms.py:58
+#: system/forms.py:48 system/forms.py:59
 msgid "Use the following custum number"
 msgstr "Verwende die folgende benutzerdefinierte Anzahl"
 
-#: system/forms.py:48 system/forms.py:59
+#: system/forms.py:49 system/forms.py:60
 msgid "Custom number of ballot papers"
 msgstr "Benutzerdefinierte Anzahl von Wahlscheinen"
 
-#: system/forms.py:49
+#: system/forms.py:50
 msgid "Title for PDF document (all applications)"
 msgstr "Titel für PDF-Dokuemt (alle Anträge)"
 
-#: system/forms.py:50
+#: system/forms.py:51
 msgid "Preamble text for PDF document (all applications)"
 msgstr "Einleitungstext für PDF-Dokument (alle Anträge)"
 
-#: system/forms.py:56
+#: system/forms.py:57
 msgid "Title for PDF document (all elections)"
 msgstr "Titel für PDF-Dokument (alle Wahlen)"
 
-#: system/forms.py:57
+#: system/forms.py:58
 msgid "Preamble text for PDF document (all elections)"
 msgstr "Einleitungstext für PDF-Dokument (alle Wahlen) "
 
-#: system/views.py:30
+#: system/views.py:42
+msgid ""
+"Anonymous access enabled. Please modify the \"Anonymous\" group to fit your "
+"required permissions."
+msgstr ""
+"Anonymer Zugriff aktiviert. Bitte setzen Sie die Rechte der Gruppe \"Anonymous\" "
+"passend zum gewünschten Zugriffslevel."
+
+#: system/views.py:46
 msgid "System settings successfully saved."
 msgstr "Systemeinstellungen erfolgreich gespeichert."
 
-#: system/views.py:72
+#: system/views.py:89
 msgid "General settings successfully saved."
 msgstr "Allgemeine Einstellungen erfolgreich gespeichert."
 

openslides/participant/templates/participant/group_overview.html

@@ -12,7 +12,9 @@
         <tr class="{% cycle '' 'odd' %}">
             <td>{{ group.name }}</td>
             <td><a href="{% url user_group_edit group.id %}"><img src="/static/images/icons/document-edit.png" title="{%trans 'Edit group' %}"></a>
+            {% if group.name != 'Anonymous' %}
             <a href="{% url user_group_delete group.id %}"><img src="/static/images/icons/edit-delete.png" title="{%trans 'Delete group' %}"></a>
+            {% endif %}
             </td>
         </tr>
     {% empty %}

openslides/participant/templates/participant/login.html

@@ -25,7 +25,6 @@
             });
         </script>
     {% endif %}
-
     <form method="post" action="{% url user_login %}">
         {% csrf_token %}
         <table>
@@ -42,7 +41,20 @@
         <button type="submit">
             <span class="icon ok">{%trans 'Login' %}</span>
         </button>
+        {% if os_enable_anonymous_login %}
+        <button id="anonymous_login">
+            <span class="icon ok">{%trans 'Continue as guest' %}</span>
+        </button>
+        {% endif %}
         <input type="hidden" name="next" value="{{ next }}" />
         </p>
     </form>
+    {% if os_enable_anonymous_login %}
+        <script>
+            $("#anonymous_login").live('click', function () {
+                window.location.href = '{% url item_overview %}';
+                return false;
+            });
+        </script>
+    {% endif %}
 {% endblock %}

openslides/participant/views.py

@@ -32,6 +32,7 @@ from participant.api import gen_username
 from participant.forms import UserNewForm, UserEditForm, ProfileForm, UsersettingsForm, UserImportForm, GroupForm, AdminPasswordChangeForm
 from utils.utils import template, permission_required, gen_confirm_form
 from utils.pdf import print_userlist, print_passwords
+from system.api import config_get
 
 from django.db.models import Avg, Max, Min, Count
 
@@ -195,7 +196,10 @@ def user_set_active(request, user_id):
 @permission_required('participant.can_manage_participant')
 @template('participant/group_overview.html')
 def get_group_overview(request):
+    if config_get('system_enable_anonymous', False):
         groups = Group.objects.all()
+    else:
+        groups = Group.objects.exclude(name='Anonymous')
     return {
         'groups': groups,
     }
@@ -214,7 +218,29 @@ def group_edit(request, group_id=None):
     if request.method == 'POST':
         form = GroupForm(request.POST, instance=group)
         if form.is_valid():
+            group_name = form.cleaned_data['name'].lower()
+
+            try:
+                anonymous_group = Group.objects.get(name='Anonymous')
+            except Group.DoesNotExist:
+                anonymous_group = None
+
+            # special handling for anonymous auth
+            if group is None and group_name.strip().lower() == 'anonymous':
+                # don't allow to create this group
+                messages.error(request, _('Group name "%s" is reserved for internal use.') % group_name)
+                return {
+                    'form' : form,
+                    'group': group
+                }
+
             group = form.save()
+            if anonymous_group is not None and \
+               anonymous_group.id == group.id:
+                # prevent name changes - XXX: I'm sure this could be done as *one* group.save()
+                group.name = 'Anonymous'
+                group.save()
+
             if group_id is None:
                 messages.success(request, _('New group was successfully created.'))
             else:
@@ -273,6 +299,9 @@ def user_import(request):
         return redirect(reverse('user_overview'))
     except Profile.DoesNotExist:
         pass
+    except AttributeError:
+        # AnonymousUser
+        pass
 
     if request.method == 'POST':
         form = UserImportForm(request.POST, request.FILES)

openslides/system/auth/AnonymousAuth.py

@@ -0,0 +1,82 @@
+from django.contrib.auth.models import Permission
+from openslides.system.api import config_get
+
+class AnonymousAuth(object):
+    """
+    Authenticates the AnonymousUser against the Permission-Group 'Anonymous'.
+    No rights are granted unless the group is defined and contains them.
+    """
+    supports_anonymous_user = True
+    supports_inactive_user = True
+    supports_object_permissions = False
+
+    def authenticate(self, username=None, password=None):
+        """
+        Authenticate a user based in username / password.
+
+        - always return None as anonymous can't login..
+        """
+        return None
+
+    def get_group_permissions(self, user_obj, obj=None):
+        """
+        Return the permissions a user is graneted by his group membership(s).
+
+        - try to return  the permissions for the 'Anonymous' group
+        """
+        if not user_obj.is_anonymous() or obj is not None or \
+           not config_get('system_enable_anonymous', False):
+            return set()
+
+        perms = Permission.objects.filter(group__name='Anonymous')
+        if perms is None:
+            return set()
+        perms = perms.values_list('content_type__app_label', 'codename').order_by()
+        return set([u'%s.%s' % (ct, name) for ct, name in perms])
+
+    def get_all_permissions(self, user_obj, obj=None):
+        """
+        Return all permissions a user is granted including goup permissions.
+
+        - for anonymous it's identical to get_group_permissions
+        """
+        return self.get_group_permissions(user_obj, obj)
+
+    def has_perm(self, user_obj, perm, obj=None):
+        """
+        Check if the user as a specific permission
+        """
+        if not user_obj.is_anonymous() or obj is not None or \
+           not config_get('system_enable_anonymous', False):
+            return False
+
+        return (perm in self.get_all_permissions(user_obj))
+
+    def has_module_perm(self, user_obj, app_label):
+        """
+        Check if the user has permissions on the module app_label
+        """
+        if not user_obj.is_anonymous() or \
+           not config_get('system_enable_anonymous', False):
+            return False
+
+        for perm in self.get_all_permissions(user_obj):
+            if perm[:perm.index('.')] == app_label:
+                return True
+        return False
+
+    def get_user(self, user_id):
+        """
+        Return the User object for user_id
+
+        - for anonymous it's always None
+        """
+        return None
+
+def anonymous_context_additions(RequestContext):
+    """
+    Add a variable to the request context that will indicate
+    if anonymous login is possible at all.
+    """
+    return { 'os_enable_anonymous_login' : config_get('system_enable_anonymous', False) }
+

openslides/system/auth/__init__.py

@@ -0,0 +1 @@
+from AnonymousAuth import *

openslides/system/forms.py

@@ -21,6 +21,7 @@ class SystemConfigForm(Form):
     #user_registration = BooleanField(label=_("User registration"), required=False)
     system_url = CharField(widget=TextInput(), required=False, label=_("System URL"))
     system_welcometext = CharField(widget=Textarea(), required=False, label=_("Welcome text (for password PDF)"))
+    system_enable_anonymous = BooleanField(required=False, label=_("Access for anonymous / guest users"), help_text=_("Allow access for guest users"))
     
 class EventConfigForm(Form):
     error_css_class = 'error'

openslides/system/views.py

@@ -13,6 +13,7 @@
 from django.shortcuts import redirect
 from django.core.urlresolvers import reverse
 from django.contrib import messages
+from django.contrib.auth.models import Group, Permission
 from django.utils.translation import ugettext as _
 from utils.utils import template
 from utils.utils import template, permission_required
@@ -27,6 +28,22 @@ def get_system_config(request):
         if form.is_valid():
             config_set('system_url', form.cleaned_data['system_url'])
             config_set('system_welcometext', form.cleaned_data['system_welcometext'])
+            if form.cleaned_data['system_enable_anonymous']:
+                config_set('system_enable_anonymous', True)
+                # check for Anonymous group and (re)create it as needed
+                try:
+                    anonymous = Group.objects.get(name='Anonymous')
+                except Group.DoesNotExist:
+                    default_perms = [u'can_see_agenda', u'can_see_projector', u'can_see_application']
+                    anonymous = Group()
+                    anonymous.name = 'Anonymous'
+                    anonymous.save()
+                    anonymous.permissions = Permission.objects.filter(codename__in=default_perms)
+                    anonymous.save()
+                messages.success(request, _('Anonymous access enabled. Please modify the "Anonymous" group to fit your required permissions.'))
+            else:
+                # use '' - False will evaluate to uniced(False) => True..
+                config_set('system_enable_anonymous', '')
             messages.success(request, _('System settings successfully saved.'))
         else:
             messages.error(request, _('Please check the form for errors.'))
@@ -35,6 +52,7 @@ def get_system_config(request):
         form = SystemConfigForm(initial={
             'system_url': config_get('system_url'),
             'system_welcometext': config_get('system_welcometext'),
+            'system_enable_anonymous': config_get('system_enable_anonymous'),
         })
     return {
         'form': form,