104 lines
3.2 KiB
Python
104 lines
3.2 KiB
Python
# ⁻*- coding: utf-8 -*-
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License version 3 for
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# more details.
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#
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# You should have received a copy of the GNU General Public License version 3
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# along with this program; if not, write to the Free Software Foundation, Inc., 51
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# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# (c) 2015 Valentin Samir
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"""Some util function for the app"""
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from .default_settings import settings
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from django.utils.importlib import import_module
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from django.core.urlresolvers import reverse
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from django.http import HttpResponseRedirect
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import urlparse
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import urllib
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import random
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import string
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def import_attr(path):
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"""transform a python module.attr path to the attr"""
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if not isinstance(path, str):
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return string
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module, attr = path.rsplit('.', 1)
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return getattr(import_module(module), attr)
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def redirect_params(url_name, params=None):
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"""Redirect to `url_name` with `params` as querystring"""
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url = reverse(url_name)
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params = urllib.urlencode(params if params else {})
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return HttpResponseRedirect(url + "?%s" % params)
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def update_url(url, params):
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"""update params in the `url` query string"""
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if isinstance(url, unicode):
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url = url.encode('utf-8')
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for key, value in params.items():
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if isinstance(key, unicode):
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del params[key]
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key = key.encode('utf-8')
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if isinstance(value, unicode):
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value = value.encode('utf-8')
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params[key] = value
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url_parts = list(urlparse.urlparse(url))
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query = dict(urlparse.parse_qsl(url_parts[4]))
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query.update(params)
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url_parts[4] = urllib.urlencode(query)
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return urlparse.urlunparse(url_parts).decode('utf-8')
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def unpack_nested_exception(error):
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"""If exception are stacked, return the first one"""
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i = 0
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while True:
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if error.args[i:]:
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if isinstance(error.args[i], Exception):
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error = error.args[i]
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i = 0
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else:
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i += 1
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else:
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break
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return error
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def _gen_ticket(prefix, lg=settings.CAS_TICKET_LEN):
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"""Generate a ticket with prefix `prefix`"""
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return '%s-%s' % (
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prefix,
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''.join(
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random.choice(
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string.ascii_letters + string.digits
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) for _ in range(lg - len(prefix) - 1)
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)
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)
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def gen_lt():
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"""Generate a Service Ticket"""
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return _gen_ticket(settings.CAS_LOGIN_TICKET_PREFIX, settings.CAS_LT_LEN)
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def gen_st():
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"""Generate a Service Ticket"""
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return _gen_ticket(settings.CAS_SERVICE_TICKET_PREFIX, settings.CAS_ST_LEN)
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def gen_pt():
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"""Generate a Proxy Ticket"""
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return _gen_ticket(settings.CAS_PROXY_TICKET_PREFIX, settings.CAS_PT_LEN)
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def gen_pgt():
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"""Generate a Proxy Granting Ticket"""
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return _gen_ticket(settings.CAS_PROXY_GRANTING_TICKET_PREFIX, settings.CAS_PGT_LEN)
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def gen_pgtiou():
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"""Generate a Proxy Granting Ticket IOU"""
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return _gen_ticket(settings.CAS_PROXY_GRANTING_TICKET_IOU_PREFIX, settings.CAS_PGTIOU_LEN)
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def gen_saml_id():
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"""Generate an saml id"""
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return _gen_ticket('_')
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