root / snf-common / synnefo / lib / astakos.py @ 5f6ad491
History | View | Annotate | Download (3.6 kB)
1 | 8acb1f97 | Kostas Papadimitriou | # Copyright 2011-2012 GRNET S.A. All rights reserved.
|
---|---|---|---|
2 | 8acb1f97 | Kostas Papadimitriou | #
|
3 | 8acb1f97 | Kostas Papadimitriou | # Redistribution and use in source and binary forms, with or
|
4 | 8acb1f97 | Kostas Papadimitriou | # without modification, are permitted provided that the following
|
5 | 8acb1f97 | Kostas Papadimitriou | # conditions are met:
|
6 | 8acb1f97 | Kostas Papadimitriou | #
|
7 | 8acb1f97 | Kostas Papadimitriou | # 1. Redistributions of source code must retain the above
|
8 | 8acb1f97 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
|
9 | 8acb1f97 | Kostas Papadimitriou | # disclaimer.
|
10 | 8acb1f97 | Kostas Papadimitriou | #
|
11 | 8acb1f97 | Kostas Papadimitriou | # 2. Redistributions in binary form must reproduce the above
|
12 | 8acb1f97 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
|
13 | 8acb1f97 | Kostas Papadimitriou | # disclaimer in the documentation and/or other materials
|
14 | 8acb1f97 | Kostas Papadimitriou | # provided with the distribution.
|
15 | 8acb1f97 | Kostas Papadimitriou | #
|
16 | 8acb1f97 | Kostas Papadimitriou | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
17 | 8acb1f97 | Kostas Papadimitriou | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
18 | 8acb1f97 | Kostas Papadimitriou | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
19 | 8acb1f97 | Kostas Papadimitriou | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
20 | 8acb1f97 | Kostas Papadimitriou | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
21 | 8acb1f97 | Kostas Papadimitriou | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
22 | 8acb1f97 | Kostas Papadimitriou | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
23 | 8acb1f97 | Kostas Papadimitriou | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
24 | 8acb1f97 | Kostas Papadimitriou | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 | 8acb1f97 | Kostas Papadimitriou | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
26 | 8acb1f97 | Kostas Papadimitriou | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
27 | 8acb1f97 | Kostas Papadimitriou | # POSSIBILITY OF SUCH DAMAGE.
|
28 | 8acb1f97 | Kostas Papadimitriou | #
|
29 | 8acb1f97 | Kostas Papadimitriou | # The views and conclusions contained in the software and
|
30 | 8acb1f97 | Kostas Papadimitriou | # documentation are those of the authors and should not be
|
31 | 8acb1f97 | Kostas Papadimitriou | # interpreted as representing official policies, either expressed
|
32 | 8acb1f97 | Kostas Papadimitriou | # or implied, of GRNET S.A.
|
33 | 8acb1f97 | Kostas Papadimitriou | |
34 | 8acb1f97 | Kostas Papadimitriou | from time import time, mktime |
35 | 8acb1f97 | Kostas Papadimitriou | from urlparse import urlparse |
36 | 8acb1f97 | Kostas Papadimitriou | from urllib import quote, unquote |
37 | 8acb1f97 | Kostas Papadimitriou | |
38 | 8acb1f97 | Kostas Papadimitriou | from django.conf import settings |
39 | 8acb1f97 | Kostas Papadimitriou | from django.utils import simplejson as json |
40 | 8acb1f97 | Kostas Papadimitriou | |
41 | 27cfa807 | Vangelis Koukis | from synnefo.lib.pool.http import get_http_connection |
42 | 27cfa807 | Vangelis Koukis | |
43 | 8acb1f97 | Kostas Papadimitriou | |
44 | 8acb1f97 | Kostas Papadimitriou | def authenticate(token, authentication_url='http://127.0.0.1:8000/im/authenticate'): |
45 | 8acb1f97 | Kostas Papadimitriou | p = urlparse(authentication_url) |
46 | 27cfa807 | Vangelis Koukis | |
47 | 8acb1f97 | Kostas Papadimitriou | kwargs = {} |
48 | 8acb1f97 | Kostas Papadimitriou | kwargs['headers'] = {}
|
49 | 8acb1f97 | Kostas Papadimitriou | kwargs['headers']['X-Auth-Token'] = token |
50 | 8acb1f97 | Kostas Papadimitriou | kwargs['headers']['Content-Length'] = 0 |
51 | 27cfa807 | Vangelis Koukis | |
52 | 27cfa807 | Vangelis Koukis | conn = get_http_connection(p.netloc, p.scheme) |
53 | 27cfa807 | Vangelis Koukis | try:
|
54 | 27cfa807 | Vangelis Koukis | conn.request('GET', p.path, **kwargs)
|
55 | 27cfa807 | Vangelis Koukis | response = conn.getresponse() |
56 | 27cfa807 | Vangelis Koukis | headers = response.getheaders() |
57 | 27cfa807 | Vangelis Koukis | headers = dict((unquote(h), unquote(v)) for h,v in headers) |
58 | 27cfa807 | Vangelis Koukis | length = response.getheader('content-length', None) |
59 | 27cfa807 | Vangelis Koukis | data = response.read(length) |
60 | 27cfa807 | Vangelis Koukis | status = int(response.status)
|
61 | 27cfa807 | Vangelis Koukis | finally:
|
62 | 27cfa807 | Vangelis Koukis | conn.close() |
63 | 27cfa807 | Vangelis Koukis | |
64 | 8acb1f97 | Kostas Papadimitriou | if status < 200 or status >= 300: |
65 | 27cfa807 | Vangelis Koukis | raise Exception(data, status) |
66 | 8acb1f97 | Kostas Papadimitriou | |
67 | 8acb1f97 | Kostas Papadimitriou | return json.loads(data)
|
68 | 8acb1f97 | Kostas Papadimitriou | |
69 | 8acb1f97 | Kostas Papadimitriou | def user_for_token(token, authentication_url, override_users): |
70 | 8acb1f97 | Kostas Papadimitriou | if not token: |
71 | 8acb1f97 | Kostas Papadimitriou | return None |
72 | 8acb1f97 | Kostas Papadimitriou | |
73 | 8acb1f97 | Kostas Papadimitriou | if override_users:
|
74 | 8acb1f97 | Kostas Papadimitriou | try:
|
75 | 8acb1f97 | Kostas Papadimitriou | return {'uniq': override_users[token].decode('utf8')} |
76 | 8acb1f97 | Kostas Papadimitriou | except:
|
77 | 8acb1f97 | Kostas Papadimitriou | return None |
78 | 8acb1f97 | Kostas Papadimitriou | |
79 | 8acb1f97 | Kostas Papadimitriou | try:
|
80 | 9f1bbb33 | Sofia Papagiannaki | return authenticate(token, authentication_url)
|
81 | 1055f3c6 | Sofia Papagiannaki | except Exception, e: |
82 | 1055f3c6 | Sofia Papagiannaki | # In case of Unauthorized response return None
|
83 | 1055f3c6 | Sofia Papagiannaki | if e.args and e.args[-1] == 401: |
84 | 1055f3c6 | Sofia Papagiannaki | return None |
85 | 1055f3c6 | Sofia Papagiannaki | raise e
|
86 | 8acb1f97 | Kostas Papadimitriou | |
87 | 6b5b443b | Antony Chazapis | def get_user(request, authentication_url='http://127.0.0.1:8000/im/authenticate', override_users={}, fallback_token=None): |
88 | 8acb1f97 | Kostas Papadimitriou | request.user = None
|
89 | 8acb1f97 | Kostas Papadimitriou | request.user_uniq = None
|
90 | 8acb1f97 | Kostas Papadimitriou | |
91 | 8acb1f97 | Kostas Papadimitriou | # Try to find token in a parameter or in a request header.
|
92 | 8acb1f97 | Kostas Papadimitriou | user = user_for_token(request.GET.get('X-Auth-Token'), authentication_url, override_users)
|
93 | 8acb1f97 | Kostas Papadimitriou | if not user: |
94 | 8acb1f97 | Kostas Papadimitriou | user = user_for_token(request.META.get('HTTP_X_AUTH_TOKEN'), authentication_url, override_users)
|
95 | 8acb1f97 | Kostas Papadimitriou | if not user: |
96 | 6b5b443b | Antony Chazapis | user = user_for_token(fallback_token, authentication_url, override_users) |
97 | 6b5b443b | Antony Chazapis | if not user: |
98 | 8acb1f97 | Kostas Papadimitriou | return
|
99 | 8acb1f97 | Kostas Papadimitriou | |
100 | 8acb1f97 | Kostas Papadimitriou | request.user = user |
101 | 8acb1f97 | Kostas Papadimitriou | request.user_uniq = user['uniq'] |