Files
mayan-edms/mayan/apps/acls/views.py

649 lines
25 KiB
Python

from __future__ import absolute_import
import logging
from django.contrib import messages
from django.contrib.contenttypes.models import ContentType
from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect, Http404
from django.shortcuts import render_to_response, get_object_or_404
from django.template import RequestContext
from django.utils.http import urlencode
from django.utils.simplejson import loads
from django.utils.translation import ugettext_lazy as _
from common.utils import encapsulate
from common.widgets import two_state_template
from permissions.models import Permission
from .api import get_class_permissions_for
from .classes import (AccessHolder, AccessObject, AccessObjectClass,
ClassAccessHolder)
from .forms import HolderSelectionForm, ClassHolderSelectionForm
from .models import AccessEntry, DefaultAccessEntry
from .permissions import (ACLS_EDIT_ACL, ACLS_VIEW_ACL,
ACLS_CLASS_EDIT_ACL, ACLS_CLASS_VIEW_ACL)
from .widgets import object_w_content_type_icon
logger = logging.getLogger(__name__)
def _permission_titles(permission_list):
return u', '.join([unicode(permission) for permission in permission_list])
def acl_list_for(request, obj, extra_context=None):
try:
Permission.objects.check_permissions(request.user, [ACLS_VIEW_ACL])
except PermissionDenied:
AccessEntry.objects.check_access(ACLS_VIEW_ACL, request.user, obj)
logger.debug('obj: %s' % obj)
context = {
'object_list': AccessEntry.objects.get_holders_for(obj),
'title': _(u'access control lists for: %s' % obj),
'extra_columns': [
{'name': _(u'holder'), 'attribute': encapsulate(lambda x: object_w_content_type_icon(x.source_object))},
{'name': _(u'permissions'), 'attribute': encapsulate(lambda x: _permission_titles(AccessEntry.objects.get_holder_permissions_for(obj, x.source_object, db_only=True)))},
],
'hide_object': True,
'access_object': AccessObject.encapsulate(obj),
'object': obj,
'navigation_object_list': [
{'object': 'object'},
{'object': 'access_object'}
],
}
if extra_context:
context.update(extra_context)
return render_to_response('generic_list.html', context,
context_instance=RequestContext(request))
def acl_list(request, app_label, model_name, object_id):
ct = get_object_or_404(ContentType, app_label=app_label, model=model_name)
obj = get_object_or_404(ct.get_object_for_this_type, pk=object_id)
return acl_list_for(request, obj)
def acl_detail(request, access_object_gid, holder_object_gid):
try:
holder = AccessHolder.get(gid=holder_object_gid)
access_object = AccessObject.get(gid=access_object_gid)
except ObjectDoesNotExist:
raise Http404
# return acl_detail_for(request, holder.source_object, access_object.source_object)
return acl_detail_for(request, holder, access_object)
def acl_detail_for(request, actor, obj):
try:
Permission.objects.check_permissions(request.user, [ACLS_VIEW_ACL])
except PermissionDenied:
AccessEntry.objects.check_accesses([ACLS_VIEW_ACL], actor, obj)
permission_list = get_class_permissions_for(obj.source_object)
# TODO : get all globally assigned permission, new function get_permissions_for_holder (roles aware)
subtemplates_list = [
{
'name': u'generic_list_subtemplate.html',
'context': {
'title': _(u'permissions available to: %(actor)s for %(obj)s' % {
'actor': actor,
'obj': obj
}
),
'object_list': permission_list,
'extra_columns': [
{'name': _(u'namespace'), 'attribute': 'namespace'},
{'name': _(u'label'), 'attribute': 'label'},
{
'name': _(u'has permission'),
'attribute': encapsulate(lambda permission: two_state_template(AccessEntry.objects.has_access(permission, actor, obj, db_only=True)))
},
],
'hide_object': True,
}
},
]
context = {
'object': obj.source_object,
'subtemplates_list': subtemplates_list,
'multi_select_as_buttons': True,
'multi_select_item_properties': {
'permission_pk': lambda x: x.pk,
'holder_gid': lambda x: actor.gid,
'object_gid': lambda x: obj.gid,
},
'access_object': obj,
'navigation_object_list': [
{'object': 'object'},
{'object': 'access_object'}
],
}
return render_to_response(
'generic_detail.html',
context,
context_instance=RequestContext(request)
)
def acl_grant(request):
items_property_list = loads(request.GET.get('items_property_list', []))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', '/')))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', '/')))
items = {}
title_suffix = []
navigation_object = None
navigation_object_count = 0
for item_properties in items_property_list:
try:
permission = Permission.objects.get({'pk': item_properties['permission_pk']})
except Permission.DoesNotExist:
raise Http404
try:
requester = AccessHolder.get(gid=item_properties['holder_gid'])
access_object = AccessObject.get(gid=item_properties['object_gid'])
except ObjectDoesNotExist:
raise Http404
try:
Permission.objects.check_permissions(request.user, [ACLS_EDIT_ACL])
except PermissionDenied:
try:
AccessEntry.objects.check_access(ACLS_EDIT_ACL, request.user, access_object)
except PermissionDenied:
raise
else:
items.setdefault(requester, {})
items[requester].setdefault(access_object, [])
items[requester][access_object].append(permission)
navigation_object = access_object
navigation_object_count += 1
else:
items.setdefault(requester, {})
items[requester].setdefault(access_object, [])
items[requester][access_object].append(permission)
navigation_object = access_object
navigation_object_count += 1
for requester, obj_ps in items.items():
for obj, ps in obj_ps.items():
title_suffix.append(_(u', ').join([u'"%s"' % unicode(p) for p in ps]))
title_suffix.append(_(u' for %s') % obj)
title_suffix.append(_(u' to %s') % requester)
if len(items_property_list) == 1:
title_prefix = _(u'Are you sure you wish to grant the permission %(title_suffix)s?')
else:
title_prefix = _(u'Are you sure you wish to grant the permissions %(title_suffix)s?')
if request.method == 'POST':
for requester, object_permissions in items.items():
for obj, permissions in object_permissions.items():
for permission in permissions:
if AccessEntry.objects.grant(permission, requester.source_object, obj.source_object):
messages.success(request, _(u'Permission "%(permission)s" granted to %(actor)s for %(object)s.') % {
'permission': permission,
'actor': requester,
'object': obj
})
else:
messages.warning(request, _(u'%(actor)s, already had the permission "%(permission)s" granted for %(object)s.') % {
'actor': requester,
'permission': permission,
'object': obj,
})
return HttpResponseRedirect(next)
context = {
'delete_view': True,
'previous': previous,
'next': next,
'form_icon': u'key_add.png',
}
context['title'] = title_prefix % {
'title_suffix': u''.join(title_suffix),
}
logger.debug('navigation_object_count: %d' % navigation_object_count)
logger.debug('navigation_object: %s' % navigation_object)
if navigation_object_count == 1:
context['object'] = navigation_object.source_object
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))
def acl_revoke(request):
items_property_list = loads(request.GET.get('items_property_list', []))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', '/')))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', '/')))
items = {}
title_suffix = []
navigation_object = None
navigation_object_count = 0
for item_properties in items_property_list:
try:
permission = Permission.objects.get({'pk': item_properties['permission_pk']})
except Permission.DoesNotExist:
raise Http404
try:
requester = AccessHolder.get(gid=item_properties['holder_gid'])
access_object = AccessObject.get(gid=item_properties['object_gid'])
except ObjectDoesNotExist:
raise Http404
try:
Permission.objects.check_permissions(request.user, [ACLS_EDIT_ACL])
except PermissionDenied:
try:
AccessEntry.objects.check_access(ACLS_EDIT_ACL, request.user, access_object)
except PermissionDenied:
raise
else:
items.setdefault(requester, {})
items[requester].setdefault(access_object, [])
items[requester][access_object].append(permission)
navigation_object = access_object
navigation_object_count += 1
else:
items.setdefault(requester, {})
items[requester].setdefault(access_object, [])
items[requester][access_object].append(permission)
navigation_object = access_object
navigation_object_count += 1
for requester, obj_ps in items.items():
for obj, ps in obj_ps.items():
title_suffix.append(_(u', ').join([u'"%s"' % unicode(p) for p in ps]))
title_suffix.append(_(u' for %s') % obj)
title_suffix.append(_(u' from %s') % requester)
if len(items_property_list) == 1:
title_prefix = _(u'Are you sure you wish to revoke the permission %(title_suffix)s?')
else:
title_prefix = _(u'Are you sure you wish to revoke the permissions %(title_suffix)s?')
if request.method == 'POST':
for requester, object_permissions in items.items():
for obj, permissions in object_permissions.items():
for permission in permissions:
if AccessEntry.objects.revoke(permission, requester.source_object, obj.source_object):
messages.success(request, _(u'Permission "%(permission)s" revoked of %(actor)s for %(object)s.') % {
'permission': permission,
'actor': requester,
'object': obj
})
else:
messages.warning(request, _(u'%(actor)s, didn\'t had the permission "%(permission)s" for %(object)s.') % {
'actor': requester,
'permission': permission,
'object': obj,
})
return HttpResponseRedirect(next)
context = {
'delete_view': True,
'previous': previous,
'next': next,
'form_icon': u'key_delete.png',
}
context['title'] = title_prefix % {
'title_suffix': u''.join(title_suffix),
}
logger.debug('navigation_object_count: %d' % navigation_object_count)
logger.debug('navigation_object: %s' % navigation_object)
if navigation_object_count == 1:
context['object'] = navigation_object.source_object
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))
def acl_new_holder_for(request, obj, extra_context=None, navigation_object=None):
try:
Permission.objects.check_permissions(request.user, [ACLS_EDIT_ACL])
except PermissionDenied:
AccessEntry.objects.check_access(ACLS_EDIT_ACL, request.user, obj)
if request.method == 'POST':
form = HolderSelectionForm(request.POST)
if form.is_valid():
try:
access_object = AccessObject.encapsulate(obj)
access_holder = AccessHolder.get(form.cleaned_data['holder_gid'])
query_string = {u'navigation_object': navigation_object}
return HttpResponseRedirect(
u'%s?%s' % (
reverse('acl_detail', args=[access_object.gid, access_holder.gid]),
urlencode(query_string)
)
)
except ObjectDoesNotExist:
raise Http404
else:
form = HolderSelectionForm()
context = {
'form': form,
'title': _(u'add new holder for: %s') % obj,
'submit_label': _(u'Select'),
'submit_icon_famfam': 'tick',
'object': obj,
'access_object': AccessObject.encapsulate(obj),
'navigation_object_list': [
{'object': 'object'},
{'object': 'access_object'},
],
}
if extra_context:
context.update(extra_context)
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
def acl_holder_new(request, access_object_gid):
try:
access_object = AccessObject.get(gid=access_object_gid)
except ObjectDoesNotExist:
raise Http404
return acl_new_holder_for(request, access_object.source_object) # , extra_context={'access_object': access_object})
# Setup views
def acl_setup_valid_classes(request):
Permission.objects.check_permissions(request.user, [ACLS_CLASS_VIEW_ACL])
context = {
'object_list': DefaultAccessEntry.get_classes(),
'title': _(u'classes'),
'extra_columns': [
{'name': _(u'class'), 'attribute': encapsulate(lambda x: object_w_content_type_icon(x.source_object))},
],
'hide_object': True,
}
return render_to_response('generic_list.html', context,
context_instance=RequestContext(request))
def acl_class_acl_list(request, access_object_class_gid):
logger.debug('access_object_class_gid: %s' % access_object_class_gid)
Permission.objects.check_permissions(request.user, [ACLS_CLASS_VIEW_ACL])
access_object_class = AccessObjectClass.get(gid=access_object_class_gid)
logger.debug('access_object_class: %s' % access_object_class)
context = {
'object_list': DefaultAccessEntry.objects.get_holders_for(access_object_class.source_object),
'title': _(u'default access control lists for class: %s') % access_object_class,
'extra_columns': [
{'name': _(u'holder'), 'attribute': encapsulate(lambda x: object_w_content_type_icon(x.source_object))},
{'name': _(u'permissions'), 'attribute': encapsulate(lambda x: _permission_titles(DefaultAccessEntry.objects.get_holder_permissions_for(access_object_class.source_object, x.source_object)))},
],
'hide_object': True,
'access_object_class': access_object_class,
'object': access_object_class,
}
return render_to_response('generic_list.html', context,
context_instance=RequestContext(request))
def acl_class_acl_detail(request, access_object_class_gid, holder_object_gid):
Permission.objects.check_permissions(request.user, [ACLS_CLASS_VIEW_ACL])
try:
actor = AccessHolder.get(gid=holder_object_gid)
access_object_class = AccessObjectClass.get(gid=access_object_class_gid)
except ObjectDoesNotExist:
raise Http404
permission_list = get_class_permissions_for(access_object_class.content_type.model_class())
# TODO : get all globally assigned permission, new function get_permissions_for_holder (roles aware)
subtemplates_list = [
{
'name': u'generic_list_subtemplate.html',
'context': {
'title': _(u'permissions available to: %(actor)s for class %(class)s' % {
'actor': actor,
'class': access_object_class
}
),
'object_list': permission_list,
'extra_columns': [
{'name': _(u'namespace'), 'attribute': 'namespace'},
{'name': _(u'label'), 'attribute': 'label'},
{
'name': _(u'has permission'),
'attribute': encapsulate(lambda x: two_state_template(DefaultAccessEntry.objects.has_access(x, actor.source_object, access_object_class.source_object)))
},
],
'hide_object': True,
}
},
]
return render_to_response('generic_detail.html', {
'object': access_object_class,
'subtemplates_list': subtemplates_list,
'multi_select_as_buttons': True,
'multi_select_item_properties': {
'permission_pk': lambda x: x.pk,
'holder_gid': lambda x: actor.gid,
'access_object_class_gid': lambda x: access_object_class.gid,
},
}, context_instance=RequestContext(request))
def acl_class_new_holder_for(request, access_object_class_gid):
Permission.objects.check_permissions(request.user, [ACLS_CLASS_EDIT_ACL])
access_object_class = AccessObjectClass.get(gid=access_object_class_gid)
if request.method == 'POST':
form = ClassHolderSelectionForm(request.POST)
if form.is_valid():
try:
access_holder = ClassAccessHolder.get(form.cleaned_data['holder_gid'])
return HttpResponseRedirect(reverse('acl_class_acl_detail', args=[access_object_class.gid, access_holder.gid]))
except ObjectDoesNotExist:
raise Http404
else:
form = ClassHolderSelectionForm(current_holders=DefaultAccessEntry.objects.get_holders_for(access_object_class))
context = {
'form': form,
'title': _(u'add new holder for class: %s') % unicode(access_object_class),
'object': access_object_class,
'submit_label': _(u'Select'),
'submit_icon_famfam': 'tick'
}
return render_to_response('generic_form.html', context,
context_instance=RequestContext(request))
def acl_class_multiple_grant(request):
Permission.objects.check_permissions(request.user, [ACLS_CLASS_EDIT_ACL])
items_property_list = loads(request.GET.get('items_property_list', []))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', '/')))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', '/')))
items = {}
title_suffix = []
navigation_object = None
navigation_object_count = 0
for item_properties in items_property_list:
try:
permission = Permission.objects.get({'pk': item_properties['permission_pk']})
except Permission.DoesNotExist:
raise Http404
try:
requester = AccessHolder.get(gid=item_properties['holder_gid'])
access_object_class = AccessObjectClass.get(gid=item_properties['access_object_class_gid'])
except ObjectDoesNotExist:
raise Http404
items.setdefault(requester, {})
items[requester].setdefault(access_object_class, [])
items[requester][access_object_class].append(permission)
navigation_object = access_object_class
navigation_object_count += 1
for requester, obj_ps in items.items():
for obj, ps in obj_ps.items():
title_suffix.append(_(u', ').join([u'"%s"' % unicode(p) for p in ps]))
title_suffix.append(_(u' for %s') % obj)
title_suffix.append(_(u' to %s') % requester)
if len(items_property_list) == 1:
title_prefix = _(u'Are you sure you wish to grant the permission %(title_suffix)s?')
else:
title_prefix = _(u'Are you sure you wish to grant the permissions %(title_suffix)s?')
if request.method == 'POST':
for requester, object_permissions in items.items():
for obj, permissions in object_permissions.items():
for permission in permissions:
if DefaultAccessEntry.objects.grant(permission, requester.source_object, obj.source_object):
messages.success(request, _(u'Permission "%(permission)s" granted to %(actor)s for %(object)s.') % {
'permission': permission,
'actor': requester,
'object': obj
})
else:
messages.warning(request, _(u'%(actor)s, already had the permission "%(permission)s" granted for %(object)s.') % {
'actor': requester,
'permission': permission,
'object': obj,
})
return HttpResponseRedirect(next)
context = {
'delete_view': True,
'previous': previous,
'next': next,
'form_icon': u'key_add.png',
}
context['title'] = title_prefix % {
'title_suffix': u''.join(title_suffix),
}
logger.debug('navigation_object_count: %d' % navigation_object_count)
logger.debug('navigation_object: %s' % navigation_object)
if navigation_object_count == 1:
context['object'] = navigation_object
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))
def acl_class_multiple_revoke(request):
Permission.objects.check_permissions(request.user, [ACLS_CLASS_EDIT_ACL])
items_property_list = loads(request.GET.get('items_property_list', []))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', '/')))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', '/')))
items = {}
title_suffix = []
navigation_object = None
navigation_object_count = 0
for item_properties in items_property_list:
try:
permission = Permission.objects.get({'pk': item_properties['permission_pk']})
except Permission.DoesNotExist:
raise Http404
try:
requester = AccessHolder.get(gid=item_properties['holder_gid'])
access_object_class = AccessObjectClass.get(gid=item_properties['access_object_class_gid'])
except ObjectDoesNotExist:
raise Http404
items.setdefault(requester, {})
items[requester].setdefault(access_object_class, [])
items[requester][access_object_class].append(permission)
navigation_object = access_object_class
navigation_object_count += 1
for requester, obj_ps in items.items():
for obj, ps in obj_ps.items():
title_suffix.append(_(u', ').join([u'"%s"' % unicode(p) for p in ps]))
title_suffix.append(_(u' for %s') % obj)
title_suffix.append(_(u' from %s') % requester)
if len(items_property_list) == 1:
title_prefix = _(u'Are you sure you wish to revoke the permission %(title_suffix)s?')
else:
title_prefix = _(u'Are you sure you wish to revoke the permissions %(title_suffix)s?')
if request.method == 'POST':
for requester, object_permissions in items.items():
for obj, permissions in object_permissions.items():
for permission in permissions:
if DefaultAccessEntry.objects.revoke(permission, requester.source_object, obj.source_object):
messages.success(request, _(u'Permission "%(permission)s" revoked of %(actor)s for %(object)s.') % {
'permission': permission,
'actor': requester,
'object': obj
})
else:
messages.warning(request, _(u'%(actor)s, didn\'t had the permission "%(permission)s" for %(object)s.') % {
'actor': requester,
'permission': permission,
'object': obj,
})
return HttpResponseRedirect(next)
context = {
'delete_view': True,
'previous': previous,
'next': next,
'form_icon': u'key_delete.png',
}
context['title'] = title_prefix % {
'title_suffix': u''.join(title_suffix),
}
logger.debug('navigation_object_count: %d' % navigation_object_count)
logger.debug('navigation_object: %s' % navigation_object)
if navigation_object_count == 1:
context['object'] = navigation_object
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))