zulip/zerver/views/zephyr.py

58 lines
2.1 KiB
Python

from typing import Any, List, Dict, Optional, Callable, Tuple, Iterable, Sequence, Text
from django.conf import settings
from django.http import HttpResponse, HttpRequest
from django.utils.translation import ugettext as _
from zerver.decorator import authenticated_json_view
from zerver.lib.ccache import make_ccache
from zerver.lib.request import has_request_variables, REQ, JsonableError
from zerver.lib.response import json_success, json_error
from zerver.lib.str_utils import force_str
from zerver.models import UserProfile
import base64
import logging
import subprocess
import ujson
# Hack for mit.edu users whose Kerberos usernames don't match what they zephyr
# as. The key is for Kerberos and the value is for zephyr.
kerberos_alter_egos = {
'golem': 'ctl',
}
@authenticated_json_view
@has_request_variables
def webathena_kerberos_login(request, user_profile,
cred=REQ(default=None)):
# type: (HttpRequest, UserProfile, Text) -> HttpResponse
global kerberos_alter_egos
if cred is None:
return json_error(_("Could not find Kerberos credential"))
if not user_profile.realm.webathena_enabled:
return json_error(_("Webathena login not enabled"))
try:
parsed_cred = ujson.loads(cred)
user = parsed_cred["cname"]["nameString"][0]
if user in kerberos_alter_egos:
user = kerberos_alter_egos[user]
assert(user == user_profile.email.split("@")[0])
ccache = make_ccache(parsed_cred)
except Exception:
return json_error(_("Invalid Kerberos cache"))
# TODO: Send these data via (say) rabbitmq
try:
subprocess.check_call(["ssh", settings.PERSONAL_ZMIRROR_SERVER, "--",
"/home/zulip/zulip/api/integrations/zephyr/process_ccache",
force_str(user),
force_str(user_profile.api_key),
force_str(base64.b64encode(ccache))])
except Exception:
logging.exception("Error updating the user's ccache")
return json_error(_("We were unable to setup mirroring for you"))
return json_success()