root / snf-cyclades-app / synnefo / api / delegate.py @ 3f1bee22
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1 | e440e835 | Christos Stavrakakis | # Copyright 2011, 2012, 2013 GRNET S.A. All rights reserved.
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2 | 11bb4341 | Kostas Papadimitriou | #
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3 | 11bb4341 | Kostas Papadimitriou | # Redistribution and use in source and binary forms, with or
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4 | 11bb4341 | Kostas Papadimitriou | # without modification, are permitted provided that the following
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5 | 11bb4341 | Kostas Papadimitriou | # conditions are met:
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6 | 11bb4341 | Kostas Papadimitriou | #
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7 | 11bb4341 | Kostas Papadimitriou | # 1. Redistributions of source code must retain the above
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8 | 11bb4341 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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9 | 11bb4341 | Kostas Papadimitriou | # disclaimer.
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10 | 11bb4341 | Kostas Papadimitriou | #
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11 | 11bb4341 | Kostas Papadimitriou | # 2. Redistributions in binary form must reproduce the above
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12 | 11bb4341 | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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13 | 11bb4341 | Kostas Papadimitriou | # disclaimer in the documentation and/or other materials
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14 | 11bb4341 | Kostas Papadimitriou | # provided with the distribution.
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15 | 11bb4341 | Kostas Papadimitriou | #
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16 | 11bb4341 | Kostas Papadimitriou | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 11bb4341 | Kostas Papadimitriou | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 11bb4341 | Kostas Papadimitriou | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 11bb4341 | Kostas Papadimitriou | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 11bb4341 | Kostas Papadimitriou | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 11bb4341 | Kostas Papadimitriou | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 11bb4341 | Kostas Papadimitriou | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 11bb4341 | Kostas Papadimitriou | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 11bb4341 | Kostas Papadimitriou | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 11bb4341 | Kostas Papadimitriou | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 11bb4341 | Kostas Papadimitriou | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 11bb4341 | Kostas Papadimitriou | # POSSIBILITY OF SUCH DAMAGE.
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28 | 11bb4341 | Kostas Papadimitriou | #
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29 | 11bb4341 | Kostas Papadimitriou | # The views and conclusions contained in the software and
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30 | 11bb4341 | Kostas Papadimitriou | # documentation are those of the authors and should not be
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31 | 11bb4341 | Kostas Papadimitriou | # interpreted as representing official policies, either expressed
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32 | 11bb4341 | Kostas Papadimitriou | # or implied, of GRNET S.A.
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33 | 11bb4341 | Kostas Papadimitriou | |
34 | 11bb4341 | Kostas Papadimitriou | import logging |
35 | 11bb4341 | Kostas Papadimitriou | |
36 | 2c2ccd2d | Giorgos Korfiatis | import urlparse |
37 | e440e835 | Christos Stavrakakis | from django.http import HttpResponse |
38 | 11bb4341 | Kostas Papadimitriou | |
39 | 11bb4341 | Kostas Papadimitriou | from django.conf import settings |
40 | 11bb4341 | Kostas Papadimitriou | |
41 | d2c9adac | Christos Stavrakakis | from synnefo.lib import join_urls |
42 | d2c9adac | Christos Stavrakakis | |
43 | 6e27e449 | Christos Stavrakakis | ASTAKOS_URL = getattr(settings, 'ASTAKOS_URL', None) |
44 | d2c9adac | Christos Stavrakakis | USER_QUOTA_URL = join_urls(ASTAKOS_URL, "astakos/api/quotas")
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45 | d2c9adac | Christos Stavrakakis | RESOURCES_URL = join_urls(ASTAKOS_URL, "astakos/api/resources")
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46 | d2c9adac | Christos Stavrakakis | USER_CATALOG_URL = join_urls(ASTAKOS_URL, "astakos/api/user_catalogs")
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47 | d2c9adac | Christos Stavrakakis | USER_FEEDBACK_URL = join_urls(ASTAKOS_URL, "astakos/api/feedback")
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48 | 11bb4341 | Kostas Papadimitriou | |
49 | 1a736ca8 | Christos Stavrakakis | from objpool.http import PooledHTTPConnection |
50 | 11bb4341 | Kostas Papadimitriou | |
51 | 11bb4341 | Kostas Papadimitriou | logger = logging.getLogger(__name__) |
52 | 11bb4341 | Kostas Papadimitriou | |
53 | 11bb4341 | Kostas Papadimitriou | |
54 | 11bb4341 | Kostas Papadimitriou | def proxy(request, url, headers={}, body=None): |
55 | 2c2ccd2d | Giorgos Korfiatis | p = urlparse.urlparse(url) |
56 | 11bb4341 | Kostas Papadimitriou | |
57 | 11bb4341 | Kostas Papadimitriou | kwargs = {} |
58 | 11bb4341 | Kostas Papadimitriou | kwargs['headers'] = headers
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59 | 11bb4341 | Kostas Papadimitriou | kwargs['headers'].update(request.META)
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60 | 11bb4341 | Kostas Papadimitriou | kwargs['body'] = body
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61 | 11bb4341 | Kostas Papadimitriou | kwargs['headers'].setdefault('content-type', 'application/json') |
62 | 11bb4341 | Kostas Papadimitriou | kwargs['headers'].setdefault('content-length', len(body) if body else 0) |
63 | 11bb4341 | Kostas Papadimitriou | |
64 | 4ab1af1a | Georgios D. Tsoukalas | with PooledHTTPConnection(p.netloc, p.scheme) as conn: |
65 | 11bb4341 | Kostas Papadimitriou | conn.request(request.method, p.path + '?' + p.query, **kwargs)
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66 | 11bb4341 | Kostas Papadimitriou | response = conn.getresponse() |
67 | 11bb4341 | Kostas Papadimitriou | length = response.getheader('content-length', None) |
68 | 11bb4341 | Kostas Papadimitriou | data = response.read(length) |
69 | 11bb4341 | Kostas Papadimitriou | status = int(response.status)
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70 | 11bb4341 | Kostas Papadimitriou | return HttpResponse(data, status=status)
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71 | 11bb4341 | Kostas Papadimitriou | |
72 | e440e835 | Christos Stavrakakis | |
73 | 426e1fb9 | Kostas Papadimitriou | def delegate_to_resources_service(request): |
74 | 426e1fb9 | Kostas Papadimitriou | logger.debug("Delegate resources request to %s" % RESOURCES_URL)
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75 | 426e1fb9 | Kostas Papadimitriou | token = request.META.get('HTTP_X_AUTH_TOKEN')
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76 | 426e1fb9 | Kostas Papadimitriou | headers = {'X-Auth-Token': token}
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77 | 426e1fb9 | Kostas Papadimitriou | return proxy(request, RESOURCES_URL, headers=headers,
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78 | 426e1fb9 | Kostas Papadimitriou | body=request.raw_post_data) |
79 | 426e1fb9 | Kostas Papadimitriou | |
80 | 426e1fb9 | Kostas Papadimitriou | |
81 | 426e1fb9 | Kostas Papadimitriou | def delegate_to_user_quota_service(request): |
82 | 426e1fb9 | Kostas Papadimitriou | logger.debug("Delegate quotas request to %s" % USER_QUOTA_URL)
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83 | 426e1fb9 | Kostas Papadimitriou | token = request.META.get('HTTP_X_AUTH_TOKEN')
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84 | 426e1fb9 | Kostas Papadimitriou | headers = {'X-Auth-Token': token}
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85 | 426e1fb9 | Kostas Papadimitriou | return proxy(request, USER_QUOTA_URL, headers=headers,
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86 | 426e1fb9 | Kostas Papadimitriou | body=request.raw_post_data) |
87 | 426e1fb9 | Kostas Papadimitriou | |
88 | 426e1fb9 | Kostas Papadimitriou | |
89 | 11bb4341 | Kostas Papadimitriou | def delegate_to_feedback_service(request): |
90 | 5af5920c | Kostas Papadimitriou | logger.debug("Delegate feedback request to %s" % USER_FEEDBACK_URL)
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91 | 11bb4341 | Kostas Papadimitriou | token = request.META.get('HTTP_X_AUTH_TOKEN')
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92 | 11bb4341 | Kostas Papadimitriou | headers = {'X-Auth-Token': token}
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93 | e440e835 | Christos Stavrakakis | return proxy(request, USER_FEEDBACK_URL, headers=headers,
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94 | e440e835 | Christos Stavrakakis | body=request.raw_post_data) |
95 | e440e835 | Christos Stavrakakis | |
96 | 11bb4341 | Kostas Papadimitriou | |
97 | 11bb4341 | Kostas Papadimitriou | def delegate_to_user_catalogs_service(request): |
98 | 11bb4341 | Kostas Papadimitriou | token = request.META.get('HTTP_X_AUTH_TOKEN')
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99 | 11bb4341 | Kostas Papadimitriou | headers = {'X-Auth-Token': token, 'content-type': 'application/json'} |
100 | e440e835 | Christos Stavrakakis | return proxy(request, USER_CATALOG_URL, headers=headers,
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101 | e440e835 | Christos Stavrakakis | body=request.raw_post_data) |