0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
1 |
"""WSGI request handler for cubicweb |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
2 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
3 |
:organization: Logilab |
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4 |
:copyright: 2008-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
5 |
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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|
6 |
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
7 |
""" |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
8 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
9 |
__docformat__ = "restructuredtext en" |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
10 |
|
4719
|
11 |
from cubicweb import AuthenticationError |
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
12 |
from cubicweb.web import (NotFound, Redirect, DirectResponse, StatusResponse, |
4721
|
13 |
ExplicitLogin) |
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
14 |
from cubicweb.web.application import CubicWebPublisher |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
15 |
from cubicweb.wsgi.request import CubicWebWsgiRequest |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
16 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
17 |
# See http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
18 |
STATUS_CODE_TEXT = { |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
19 |
100: 'CONTINUE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
20 |
101: 'SWITCHING PROTOCOLS', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
21 |
200: 'OK', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
22 |
201: 'CREATED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
23 |
202: 'ACCEPTED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
24 |
203: 'NON-AUTHORITATIVE INFORMATION', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
25 |
204: 'NO CONTENT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
26 |
205: 'RESET CONTENT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
27 |
206: 'PARTIAL CONTENT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
28 |
300: 'MULTIPLE CHOICES', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
29 |
301: 'MOVED PERMANENTLY', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
30 |
302: 'FOUND', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
31 |
303: 'SEE OTHER', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
32 |
304: 'NOT MODIFIED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
33 |
305: 'USE PROXY', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
34 |
306: 'RESERVED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
35 |
307: 'TEMPORARY REDIRECT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
36 |
400: 'BAD REQUEST', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
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401: 'UNAUTHORIZED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
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402: 'PAYMENT REQUIRED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
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403: 'FORBIDDEN', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
40 |
404: 'NOT FOUND', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
41 |
405: 'METHOD NOT ALLOWED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
42 |
406: 'NOT ACCEPTABLE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
43 |
407: 'PROXY AUTHENTICATION REQUIRED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
44 |
408: 'REQUEST TIMEOUT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
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409: 'CONFLICT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
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410: 'GONE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
47 |
411: 'LENGTH REQUIRED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
48 |
412: 'PRECONDITION FAILED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
49 |
413: 'REQUEST ENTITY TOO LARGE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
50 |
414: 'REQUEST-URI TOO LONG', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
51 |
415: 'UNSUPPORTED MEDIA TYPE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
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416: 'REQUESTED RANGE NOT SATISFIABLE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
53 |
417: 'EXPECTATION FAILED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
54 |
500: 'INTERNAL SERVER ERROR', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
55 |
501: 'NOT IMPLEMENTED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
56 |
502: 'BAD GATEWAY', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
57 |
503: 'SERVICE UNAVAILABLE', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
58 |
504: 'GATEWAY TIMEOUT', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
59 |
505: 'HTTP VERSION NOT SUPPORTED', |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
60 |
} |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
61 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
62 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
63 |
class WSGIResponse(object): |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
64 |
"""encapsulates the wsgi response parameters |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
65 |
(code, headers and body if there is one) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
66 |
""" |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
67 |
def __init__(self, code, req, body=None): |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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diff
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|
68 |
text = STATUS_CODE_TEXT.get(code, 'UNKNOWN STATUS CODE') |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
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self.status = '%s %s' % (code, text) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
70 |
self.headers = [(str(k), str(v)) for k, v in req.headers_out.items()] |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
71 |
if body: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
72 |
self.body = [body] |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
73 |
else: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
74 |
self.body = [] |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
75 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
76 |
def __iter__(self): |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
77 |
return iter(self.body) |
1802
|
78 |
|
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
79 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
80 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
81 |
class CubicWebWSGIApplication(object): |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
82 |
"""This is the wsgi application which will be called by the |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
83 |
wsgi server with the WSGI ``environ`` and ``start_response`` |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
84 |
parameters. |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
85 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
86 |
XXX: missing looping tasks and proper repository shutdown when |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
87 |
the application is stopped. |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
88 |
NOTE: no pyro |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
89 |
""" |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
90 |
|
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
91 |
def __init__(self, config, debug=None, vreg=None): |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
92 |
self.appli = CubicWebPublisher(config, debug=debug, vreg=vreg) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
93 |
self.debugmode = debug |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
94 |
self.config = config |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
95 |
self.base_url = None |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
96 |
# self.base_url = config['base-url'] or config.default_base_url() |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
97 |
# assert self.base_url[-1] == '/' |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
98 |
# self.https_url = config['https-url'] |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
99 |
# assert not self.https_url or self.https_url[-1] == '/' |
2770
|
100 |
self.url_rewriter = self.appli.vreg['components'].select_or_none('urlrewriter') |
1802
|
101 |
|
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
102 |
def _render(self, req): |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
103 |
"""this function performs the actual rendering |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
104 |
XXX missing: https handling, url rewriting, cache management, |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
105 |
authentication |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
106 |
""" |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
107 |
if self.base_url is None: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
108 |
self.base_url = self.config._base_url = req.base_url() |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
109 |
# XXX https handling needs to be implemented |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
110 |
if req.authmode == 'http': |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
111 |
# activate realm-based auth |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
112 |
realm = self.config['realm'] |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
113 |
req.set_header('WWW-Authenticate', [('Basic', {'realm' : realm })], raw=False) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
114 |
try: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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|
115 |
self.appli.connect(req) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
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|
116 |
except AuthenticationError: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
117 |
return self.request_auth(req) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
118 |
except Redirect, ex: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
119 |
return self.redirect(req, ex.location) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
120 |
path = req.path |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
121 |
if not path or path == "/": |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
122 |
path = 'view' |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
123 |
try: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
124 |
result = self.appli.publish(path, req) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
125 |
except DirectResponse, ex: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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diff
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|
126 |
return WSGIResponse(200, req, ex.response) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
127 |
except StatusResponse, ex: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
128 |
return WSGIResponse(ex.status, req, ex.content) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
129 |
except NotFound: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
130 |
result = self.appli.notfound_content(req) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
131 |
return WSGIResponse(404, req, result) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
132 |
except ExplicitLogin: # must be before AuthenticationError |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
133 |
return self.request_auth(req) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
134 |
except AuthenticationError: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
135 |
if self.config['auth-mode'] == 'cookie': |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
136 |
# in cookie mode redirecting to the index view is enough : |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
137 |
# either anonymous connection is allowed and the page will |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
138 |
# be displayed or we'll be redirected to the login form |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
139 |
msg = req._('you have been logged out') |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
140 |
# if req.https: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
141 |
# req._base_url = self.base_url |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
142 |
# req.https = False |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
143 |
url = req.build_url('view', vid='index', __message=msg) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
144 |
return self.redirect(req, url) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
145 |
else: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
146 |
# in http we have to request auth to flush current http auth |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
147 |
# information |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
148 |
return self.request_auth(req, loggedout=True) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
149 |
except Redirect, ex: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
150 |
return self.redirect(req, ex.location) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
151 |
if not result: |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
152 |
# no result, something went wrong... |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
153 |
self.error('no data (%s)', req) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
154 |
# 500 Internal server error |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
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|
155 |
return self.redirect(req, req.build_url('error')) |
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
156 |
return WSGIResponse(200, req, result) |
1802
|
157 |
|
|
158 |
|
0
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff
changeset
|
159 |
def __call__(self, environ, start_response): |
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"""WSGI protocol entry point""" |
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req = CubicWebWsgiRequest(environ, self.appli.vreg, self.base_url) |
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response = self._render(req) |
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start_response(response.status, response.headers) |
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return response.body |
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def redirect(self, req, location): |
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"""convenience function which builds a redirect WSGIResponse""" |
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self.debug('redirecting to %s', location) |
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req.set_header('location', str(location)) |
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return WSGIResponse(303, req) |
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def request_auth(self, req, loggedout=False): |
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"""returns the appropriate WSGIResponse to require the user to log in |
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""" |
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# if self.https_url and req.base_url() != self.https_url: |
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# return self.redirect(self.https_url + 'login') |
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if self.config['auth-mode'] == 'http': |
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code = 401 # UNAUTHORIZED |
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else: |
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code = 403 # FORBIDDEN |
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if loggedout: |
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# if req.https: |
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# req._base_url = self.base_url |
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# req.https = False |
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content = self.appli.loggedout_content(req) |
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else: |
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content = self.appli.need_login_content(req) |
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return WSGIResponse(code, req, content) |
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|
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|
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from logging import getLogger |
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from cubicweb import set_log_methods |
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set_log_methods(CubicWebWSGIApplication, getLogger('cubicweb.wsgi')) |