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from django.contrib.admin import utils
from django import oldforms as forms
from django import template
from django.shortcuts import render_to_response, get_object_or_404
from django.http import Http404, HttpResponse, HttpResponseRedirect
from django.contrib.contenttypes.models import ContentType
from django.contrib.auth.models import RowLevelPermission, User, Group
from django.db import models
from django.contrib.admin.row_level_perm_manipulator import AddRLPManipulator, ChangeRLPManipulator, MultipleObjSelectField
from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist, PermissionDenied
from django.core.paginator import ObjectPaginator, InvalidPage
from django.contrib.admin.views.main import unquote, quote
from django.contrib.admin.views.decorators import staff_member_required
from django.views.decorators.cache import never_cache
def view_row_level_permissions(request, app_label, model_name, object_id):
"""
Displays a list of row level permisisons for the model instance
"""
model = models.get_model(app_label, model_name)
object_id = unquote(object_id)
model_ct = ContentType.objects.get_for_model(model)
model_instance = get_object_or_404(model, pk=object_id)
opts = model_instance._meta
if not opts.row_level_permissions:
raise Http404
if not request.user.has_perm(opts.app_label + '.' + opts.get_change_permission(), object=model_instance):
raise PermissionDenied
if not (request.user.has_perm(RowLevelPermission._meta.app_label + '.' + RowLevelPermission._meta.get_change_permission()) or
request.user.has_perm(RowLevelPermission._meta.app_label + '.' + RowLevelPermission._meta.get_add_permission())):
raise PermissionDenied
c = template.RequestContext(request, {
'title': _('Edit Row Level Permissions'),
'object_id': object_id,
'content_type_id':model_ct.id,
'original': model_instance,
'opts':opts,
})
#Set up the paging
list_per_page = RowLevelPermission._meta.admin.list_per_page
paginator = ObjectPaginator(model_instance.row_level_permissions.order_by('owner_ct', 'owner_id'),
list_per_page)
page = int(request.GET.get('page', 1))-1
try:
rlp_list = paginator.get_page(page)
except InvalidPage:
rlp_list = []
paginator_context = {
"is_paginated": paginator.has_next_page(0),
"has_next": paginator.has_next_page(page),
"has_previous": paginator.has_previous_page(page),
"page": page+1,
"next": page+2,
"previous": page,
"hits":paginator.hits,
"results_per_page":list_per_page,
"pages":paginator.pages,
"has_next":paginator.has_next_page(page),
"has_previous":paginator.has_previous_page(page),
}
c.update(paginator_context)
rlp_errors = rlp_new_data = {}
add_rlp_manip = AddRLPManipulator(model_instance, model_ct)
edit_rlp_manip = ChangeRLPManipulator(model_ct)
new_rlp_form = forms.FormWrapper(add_rlp_manip, rlp_new_data, rlp_errors)
#3 different groups of forms when split by owner
user_rlp_form_list = []
other_rlp_form_list = []
group_rlp_form_list = []
group_ct = model_ct = ContentType.objects.get_for_model(Group)
user_ct = model_ct = ContentType.objects.get_for_model(User)
for r in rlp_list:
owner_val = MultipleObjSelectField.returnKey(r.owner, r.owner_ct)
data = {'id':r.id, 'owner':owner_val, 'perm':r.permission.id, 'negative':r.negative}
if r.owner_ct.id == user_ct.id:
user_rlp_form_list.append({'form':forms.FormWrapper(edit_rlp_manip, data, rlp_errors), 'rlp':r})
elif r.owner_ct.id == group_ct.id:
group_rlp_form_list.append({'form':forms.FormWrapper(edit_rlp_manip, data, rlp_errors), 'rlp':r})
else:
other_rlp_form_list.append({'form':forms.FormWrapper(edit_rlp_manip, data, rlp_errors), 'rlp':r})
#Combine together the three kinds
rlp_forms = []
if user_rlp_form_list:
rlp_forms.append((_('Users'), user_rlp_form_list,))
if group_rlp_form_list:
rlp_forms.append((_('Groups'), group_rlp_form_list,))
if other_rlp_form_list:
rlp_forms.append((_('Other'), other_rlp_form_list,))
rlp_context = {'new_rlp_form':new_rlp_form,
'rlp_forms':rlp_forms, }
c.update(rlp_context)
return render_to_response([
"admin/%s/%s/row_level_permission.html" % (opts.app_label, opts.object_name.lower()),
"admin/%s/row_level_permission.html" % opts.app_label,
"admin/row_level_permission.html"], context_instance=c)
view_row_level_permissions = staff_member_required(never_cache(view_row_level_permissions))
def delete_row_level_permission(request, app_label, model_name, object_id, ct_id, rlp_id, hash):
"""
Deletes the given row level permission.
"""
msg = {}
if utils.verify_objref_hash(ct_id, rlp_id, hash):
model = models.get_model(app_label, model_name)
object_id = unquote(object_id)
model_ct = ContentType.objects.get_for_model(model)
model_instance = get_object_or_404(model, pk=object_id)
rlp = get_object_or_404(RowLevelPermission, pk=rlp_id)
ct = rlp.model_ct
obj = rlp.model
model_id = model_instance._get_pk_val()
if not (model_id == rlp.model_id):
raise PermissionDenied
if not request.user.has_perm(rlp._meta.app_label + '.' + rlp._meta.get_delete_permission()):
raise PermissionDenied
if not request.user.has_perm(obj._meta.app_label + '.' + obj._meta.get_change_permission(), object=obj):
raise PermissionDenied
rlp.delete()
msg = {"result":True, "text":_("Row level permission was successful deleted"), "id":rlp_id}
else:
msg = { 'result':False, 'text': _("row level permission not found (bad hash)" )}
request.user.message_set.create(message=msg['text'])
return HttpResponseRedirect(request.META["HTTP_REFERER"])
delete_row_level_permission = staff_member_required(never_cache(delete_row_level_permission))
def add_row_level_permission(request, app_label, model_name, object_id):
msg = {}
if not request.POST:
msg = { 'result':False, 'text': _("Only POSTs are allowed" )}
request.user.message_set.create(message=msg['text'])
return HttpResponseRedirect("/edit/%s/%s" % (obj_type, object_id))
model = models.get_model(app_label, model_name)
object_id = unquote(object_id)
ct = ContentType.objects.get_for_model(model)
obj = get_object_or_404(model, pk=object_id)
if not request.user.has_perm(obj._meta.app_label + '.' + obj._meta.get_change_permission(), object=obj):
raise PermissionDenied
if not request.user.has_perm(RowLevelPermission._meta.app_label + '.' + RowLevelPermission._meta.get_add_permission()):
raise PermissionDenied
manip = AddRLPManipulator(obj, ct)
new_data = request.POST.copy()
manip.do_html2python(new_data)
rlp_list = []
from django.core import validators
try:
rlp_list = manip.save(new_data)
except validators.ValidationError:
msg = {"result":False, "text":_("A row level permission already exists with the specified values.")}
else:
if len(rlp_list) is 1:
msg = {"result":True, "text":_("Row level permission has successfully been added.")}
else:
msg = {"result":True, "text":_("Row level permissions have successfully been added.")}
resp_list = []
for rlp in rlp_list:
hash = utils.create_objref(rlp)
resp_list.append({"id":rlp.id, "permission":rlp.permission.id, "hash":hash})
msg["results"]=resp_list
request.user.message_set.create(message=msg['text'])
return HttpResponseRedirect(request.META["HTTP_REFERER"])
add_row_level_permission = staff_member_required(never_cache(add_row_level_permission))
def change_row_level_permission(request, app_label, model_name, object_id, ct_id, rlp_id, hash):
msg = {}
if not request.POST:
msg = { 'result':False, 'text': _("Only POSTs are allowed" )}
if not utils.verify_objref_hash(ct_id, rlp_id, hash):
msg = { 'result':False, 'text': _("row level permission not found (bad hash)" )}
if msg.has_key("result"):
request.user.message_set.create(message=msg['text'])
return HttpResponseRedirect('../../../../')
model = models.get_model(app_label, model_name)
object_id = unquote(object_id)
ct = ContentType.objects.get_for_model(model)
model_instance = get_object_or_404(model, pk=object_id)
rlp = get_object_or_404(RowLevelPermission, pk=rlp_id)
opts = rlp._meta
if not request.user.has_perm(opts.app_label + '.' + opts.get_add_permission()):
raise PermissionDenied
obj = rlp.model
model_id = model_instance._get_pk_val()
object_id = obj._get_pk_val()
if model_id is not object_id:
raise PermissionDenied
if not request.user.has_perm(rlp._meta.app_label + '.' + rlp._meta.get_change_permission(), object=obj):
raise PermissionDenied
manip = ChangeRLPManipulator()
new_data = request.POST.copy()
new_data["id"] = rlp_id
manip.do_html2python(new_data)
from django.core import validators
try:
new_rlp = manip.save(new_data)
except validators.ValidationError:
msg = {"result":False, "text":_("A row level permission already exists with the specified values")}
else:
msg = {"result":True, "text":_("Row level permission has successfully been changed"), "id":rlp_id}
request.user.message_set.create(message=msg['text'])
return HttpResponseRedirect(request.META["HTTP_REFERER"])
change_row_level_permission = staff_member_required(never_cache(change_row_level_permission))
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