combo/combo/utils/misc.py

71 lines
2.3 KiB
Python

# combo - content management system
# Copyright (C) 2015-2018 Entr'ouvert
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import html
import urllib.parse
from django.conf import settings
from django.template.context import BaseContext
from django.utils.html import strip_tags
def ellipsize(text, length=50):
text = html.unescape(strip_tags(text))
if len(text) < length:
return text
return text[: (length - 10)] + '...'
def flatten_context(context):
# flatten a context to a dictionary, with full support for embedded Context
# objects.
flat_context = {}
if isinstance(context, BaseContext):
for ctx in context.dicts:
flat_context.update(flatten_context(ctx))
else:
flat_context.update(context)
return flat_context
def get_known_service_for_url(url):
netloc = urllib.parse.urlparse(url).netloc
for services in settings.KNOWN_SERVICES.values():
for service in services.values():
remote_url = service.get('url')
if urllib.parse.urlparse(remote_url).netloc == netloc:
return service
return None
def is_url_from_known_service(url):
netloc = urllib.parse.urlparse(url).netloc
if not netloc:
return True
return bool(get_known_service_for_url(url))
def is_portal_agent():
if getattr(settings, 'KNOWN_SERVICES') and 'combo' in settings.KNOWN_SERVICES:
for service in settings.KNOWN_SERVICES['combo'].values():
if service.get('is-portal-agent') and not service.get('secret'):
return True
return False
def is_ajax(request):
return request.headers.get('x-requested-with') == 'XMLHttpRequest'