root / snf-django-lib / snf_django / utils / urls.py @ 4267cb32
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1 | b657485d | Kostas Papadimitriou | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | b657485d | Kostas Papadimitriou | #
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3 | b657485d | Kostas Papadimitriou | # Redistribution and use in source and binary forms, with or
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4 | b657485d | Kostas Papadimitriou | # without modification, are permitted provided that the following
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5 | b657485d | Kostas Papadimitriou | # conditions are met:
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6 | b657485d | Kostas Papadimitriou | #
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7 | b657485d | Kostas Papadimitriou | # 1. Redistributions of source code must retain the above
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8 | b657485d | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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9 | b657485d | Kostas Papadimitriou | # disclaimer.
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10 | b657485d | Kostas Papadimitriou | #
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11 | b657485d | Kostas Papadimitriou | # 2. Redistributions in binary form must reproduce the above
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12 | b657485d | Kostas Papadimitriou | # copyright notice, this list of conditions and the following
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13 | b657485d | Kostas Papadimitriou | # disclaimer in the documentation and/or other materials
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14 | b657485d | Kostas Papadimitriou | # provided with the distribution.
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15 | b657485d | Kostas Papadimitriou | #
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16 | b657485d | Kostas Papadimitriou | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | b657485d | Kostas Papadimitriou | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | b657485d | Kostas Papadimitriou | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | b657485d | Kostas Papadimitriou | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | b657485d | Kostas Papadimitriou | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | b657485d | Kostas Papadimitriou | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | b657485d | Kostas Papadimitriou | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | b657485d | Kostas Papadimitriou | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | b657485d | Kostas Papadimitriou | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | b657485d | Kostas Papadimitriou | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | b657485d | Kostas Papadimitriou | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | b657485d | Kostas Papadimitriou | # POSSIBILITY OF SUCH DAMAGE.
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28 | b657485d | Kostas Papadimitriou | #
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29 | b657485d | Kostas Papadimitriou | # The views and conclusions contained in the software and
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30 | b657485d | Kostas Papadimitriou | # documentation are those of the authors and should not be
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31 | b657485d | Kostas Papadimitriou | # interpreted as representing official policies, either expressed
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32 | b657485d | Kostas Papadimitriou | # or implied, of GRNET S.A.
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33 | b657485d | Kostas Papadimitriou | |
34 | 6b256427 | Christos Stavrakakis | from django.conf.urls import url, patterns |
35 | a6b17d33 | Christos Stavrakakis | |
36 | b657485d | Kostas Papadimitriou | from snf_django.lib.api.utils import prefix_pattern |
37 | 347b2ba1 | Giorgos Korfiatis | from synnefo.lib.services import get_service_path |
38 | b657485d | Kostas Papadimitriou | from synnefo.lib import join_urls |
39 | b657485d | Kostas Papadimitriou | |
40 | b657485d | Kostas Papadimitriou | |
41 | 347b2ba1 | Giorgos Korfiatis | def extend_path_with_slash(patterns_obj, path): |
42 | 347b2ba1 | Giorgos Korfiatis | if not path.endswith('/'): |
43 | 347b2ba1 | Giorgos Korfiatis | pattern = prefix_pattern(path, append_slash=False) + '$' |
44 | 347b2ba1 | Giorgos Korfiatis | entry = url(pattern, 'redirect_to', {'url': path + '/'}) |
45 | 347b2ba1 | Giorgos Korfiatis | patterns_obj += patterns('django.views.generic.simple', entry)
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46 | 347b2ba1 | Giorgos Korfiatis | |
47 | 347b2ba1 | Giorgos Korfiatis | |
48 | 347b2ba1 | Giorgos Korfiatis | def extend_endpoint_with_slash(patterns_obj, filled_services, service_type, |
49 | 347b2ba1 | Giorgos Korfiatis | version=None):
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50 | 347b2ba1 | Giorgos Korfiatis | path = get_service_path(filled_services, service_type, version) |
51 | 347b2ba1 | Giorgos Korfiatis | extend_path_with_slash(patterns_obj, path) |
52 | 347b2ba1 | Giorgos Korfiatis | |
53 | 347b2ba1 | Giorgos Korfiatis | |
54 | b657485d | Kostas Papadimitriou | def extend_with_root_redirects(patterns_obj, filled_services, service_type, |
55 | 347b2ba1 | Giorgos Korfiatis | base_path, with_slash=True):
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56 | b657485d | Kostas Papadimitriou | """
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57 | b657485d | Kostas Papadimitriou | Append additional redirect url entries for `/` and `/<base_path>` paths.
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58 | b657485d | Kostas Papadimitriou |
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59 | b657485d | Kostas Papadimitriou | `/` redirects to `/<base_path>` and `/<base_path>` to the resolved service
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60 | b657485d | Kostas Papadimitriou | type url.
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61 | b657485d | Kostas Papadimitriou |
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62 | b657485d | Kostas Papadimitriou | This is used in synnefo components root urlpatterns to append sane default
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63 | b657485d | Kostas Papadimitriou | redirects to the chosen service url.
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64 | b657485d | Kostas Papadimitriou |
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65 | b657485d | Kostas Papadimitriou | """
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66 | 347b2ba1 | Giorgos Korfiatis | service_path = get_service_path(filled_services, service_type) |
67 | 347b2ba1 | Giorgos Korfiatis | if with_slash:
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68 | 347b2ba1 | Giorgos Korfiatis | service_path = service_path.rstrip('/') + '/' |
69 | 347b2ba1 | Giorgos Korfiatis | |
70 | 67c10753 | Kostas Papadimitriou | root_url_entry = None
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71 | 67c10753 | Kostas Papadimitriou | if base_path and base_path != '/': |
72 | 67c10753 | Kostas Papadimitriou | # redirect slash to /<base_path>/
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73 | 67c10753 | Kostas Papadimitriou | root_url_entry = url('^$', 'redirect_to', |
74 | 67c10753 | Kostas Papadimitriou | {'url': join_urls('/', base_path.rstrip('/'), |
75 | 67c10753 | Kostas Papadimitriou | '/')})
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76 | 67c10753 | Kostas Papadimitriou | |
77 | 67c10753 | Kostas Papadimitriou | base_path_pattern = prefix_pattern(base_path) + '$'
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78 | 67c10753 | Kostas Papadimitriou | base_path_pattern_no_slash = prefix_pattern(base_path).rstrip('/') + '$' |
79 | 67c10753 | Kostas Papadimitriou | |
80 | 347b2ba1 | Giorgos Korfiatis | # redirect /<base_path> and /<base_path>/ to service_path public endpoint
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81 | 67c10753 | Kostas Papadimitriou | base_url_entry = url(base_path_pattern, 'redirect_to', {'url': |
82 | 347b2ba1 | Giorgos Korfiatis | service_path}) |
83 | 67c10753 | Kostas Papadimitriou | base_url_entry_no_slash = url(base_path_pattern_no_slash, |
84 | 347b2ba1 | Giorgos Korfiatis | 'redirect_to', {'url': service_path}) |
85 | b657485d | Kostas Papadimitriou | # urls order matter. Setting base_url_entry first allows us to avoid
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86 | b657485d | Kostas Papadimitriou | # redirect loops when base_path is empty or `/`
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87 | b657485d | Kostas Papadimitriou | patterns_obj += patterns('django.views.generic.simple',
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88 | 67c10753 | Kostas Papadimitriou | base_url_entry, base_url_entry_no_slash) |
89 | 67c10753 | Kostas Papadimitriou | if root_url_entry:
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90 | 67c10753 | Kostas Papadimitriou | # register root entry only for non root base_path deployments
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91 | 67c10753 | Kostas Papadimitriou | patterns_obj += patterns('django.views.generic.simple', root_url_entry) |