root / snf-astakos-app / astakos / im / api.py @ 27993be5
History | View | Annotate | Download (3.9 kB)
1 |
# Copyright 2011-2012 GRNET S.A. All rights reserved.
|
---|---|
2 |
#
|
3 |
# Redistribution and use in source and binary forms, with or
|
4 |
# without modification, are permitted provided that the following
|
5 |
# conditions are met:
|
6 |
#
|
7 |
# 1. Redistributions of source code must retain the above
|
8 |
# copyright notice, this list of conditions and the following
|
9 |
# disclaimer.
|
10 |
#
|
11 |
# 2. Redistributions in binary form must reproduce the above
|
12 |
# copyright notice, this list of conditions and the following
|
13 |
# disclaimer in the documentation and/or other materials
|
14 |
# provided with the distribution.
|
15 |
#
|
16 |
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 |
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 |
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 |
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 |
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 |
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 |
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 |
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 |
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 |
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 |
# POSSIBILITY OF SUCH DAMAGE.
|
28 |
#
|
29 |
# The views and conclusions contained in the software and
|
30 |
# documentation are those of the authors and should not be
|
31 |
# interpreted as representing official policies, either expressed
|
32 |
# or implied, of GRNET S.A.
|
33 |
|
34 |
from traceback import format_exc |
35 |
from time import time, mktime |
36 |
from django.conf import settings |
37 |
from django.http import HttpResponse |
38 |
from django.utils import simplejson as json |
39 |
|
40 |
from astakos.im.faults import BadRequest, Unauthorized, InternalServerError |
41 |
from astakos.im.models import AstakosUser |
42 |
|
43 |
def render_fault(request, fault): |
44 |
if isinstance(fault, InternalServerError) and settings.DEBUG: |
45 |
fault.details = format_exc(fault) |
46 |
|
47 |
request.serialization = 'text'
|
48 |
data = fault.message + '\n'
|
49 |
if fault.details:
|
50 |
data += '\n' + fault.details
|
51 |
response = HttpResponse(data, status=fault.code) |
52 |
response['Content-Length'] = len(response.content) |
53 |
return response
|
54 |
|
55 |
def authenticate(request): |
56 |
# Normal Response Codes: 204
|
57 |
# Error Response Codes: internalServerError (500)
|
58 |
# badRequest (400)
|
59 |
# unauthorised (401)
|
60 |
try:
|
61 |
if request.method != 'GET': |
62 |
raise BadRequest('Method not allowed.') |
63 |
x_auth_token = request.META.get('HTTP_X_AUTH_TOKEN')
|
64 |
if not x_auth_token: |
65 |
return render_fault(request, BadRequest('Missing X-Auth-Token')) |
66 |
|
67 |
try:
|
68 |
user = AstakosUser.objects.get(auth_token=x_auth_token) |
69 |
except AstakosUser.DoesNotExist, e:
|
70 |
return render_fault(request, Unauthorized('Invalid X-Auth-Token')) |
71 |
|
72 |
# Check if the is active.
|
73 |
if not user.is_active: |
74 |
return render_fault(request, Unauthorized('User inactive')) |
75 |
|
76 |
# Check if the token has expired.
|
77 |
if (time() - mktime(user.auth_token_expires.timetuple())) > 0: |
78 |
return render_fault(request, Unauthorized('Authentication expired')) |
79 |
|
80 |
response = HttpResponse() |
81 |
response.status=204
|
82 |
user_info = {'username':user.username,
|
83 |
'uniq':user.email,
|
84 |
'auth_token':user.auth_token,
|
85 |
'auth_token_created':user.auth_token_created.isoformat(),
|
86 |
'auth_token_expires':user.auth_token_expires.isoformat()}
|
87 |
response.content = json.dumps(user_info) |
88 |
response['Content-Type'] = 'application/json; charset=UTF-8' |
89 |
response['Content-Length'] = len(response.content) |
90 |
return response
|
91 |
except BaseException, e: |
92 |
fault = InternalServerError('Unexpected error')
|
93 |
return render_fault(request, fault)
|