Move document sidebar entries extraction to document.View
This way other modules can benefit from the same logic. Also make use
of the sidebar.getSidebarMenu method so that getMenusForScope is no
longer specific to full menu's.
Patch by: Sverre Rabbelier
try:
set
except NameError:
from sets import Set as set # Python 2.3 fallback
from django.db import connection
from django.contrib.auth.models import User
class ModelBackend(object):
"""
Authenticates against django.contrib.auth.models.User.
"""
# TODO: Model, login attribute name and password attribute name should be
# configurable.
def authenticate(self, username=None, password=None):
try:
user = User.objects.get(username=username)
if user.check_password(password):
return user
except User.DoesNotExist:
return None
def get_group_permissions(self, user_obj):
"""
Returns a set of permission strings that this user has through his/her
groups.
"""
if not hasattr(user_obj, '_group_perm_cache'):
cursor = connection.cursor()
# The SQL below works out to the following, after DB quoting:
# cursor.execute("""
# SELECT ct."app_label", p."codename"
# FROM "auth_permission" p, "auth_group_permissions" gp, "auth_user_groups" ug, "django_content_type" ct
# WHERE p."id" = gp."permission_id"
# AND gp."group_id" = ug."group_id"
# AND ct."id" = p."content_type_id"
# AND ug."user_id" = %s, [self.id])
qn = connection.ops.quote_name
sql = """
SELECT ct.%s, p.%s
FROM %s p, %s gp, %s ug, %s ct
WHERE p.%s = gp.%s
AND gp.%s = ug.%s
AND ct.%s = p.%s
AND ug.%s = %%s""" % (
qn('app_label'), qn('codename'),
qn('auth_permission'), qn('auth_group_permissions'),
qn('auth_user_groups'), qn('django_content_type'),
qn('id'), qn('permission_id'),
qn('group_id'), qn('group_id'),
qn('id'), qn('content_type_id'),
qn('user_id'),)
cursor.execute(sql, [user_obj.id])
user_obj._group_perm_cache = set(["%s.%s" % (row[0], row[1]) for row in cursor.fetchall()])
return user_obj._group_perm_cache
def get_all_permissions(self, user_obj):
if not hasattr(user_obj, '_perm_cache'):
user_obj._perm_cache = set([u"%s.%s" % (p.content_type.app_label, p.codename) for p in user_obj.user_permissions.select_related()])
user_obj._perm_cache.update(self.get_group_permissions(user_obj))
return user_obj._perm_cache
def has_perm(self, user_obj, perm):
return perm in self.get_all_permissions(user_obj)
def has_module_perms(self, user_obj, app_label):
"""
Returns True if user_obj has any permissions in the given app_label.
"""
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):
try:
return User.objects.get(pk=user_id)
except User.DoesNotExist:
return None