root / snf-pithos-app / pithos / api / public.py @ 5ec446aa
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1 | 65bbcd43 | Christos Stavrakakis | # Copyright 2011-2013 GRNET S.A. All rights reserved.
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2 | 2715ade4 | Sofia Papagiannaki | #
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3 | f7b1d2af | Antony Chazapis | # Redistribution and use in source and binary forms, with or
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4 | f7b1d2af | Antony Chazapis | # without modification, are permitted provided that the following
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5 | f7b1d2af | Antony Chazapis | # conditions are met:
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6 | 2715ade4 | Sofia Papagiannaki | #
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7 | f7b1d2af | Antony Chazapis | # 1. Redistributions of source code must retain the above
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8 | f7b1d2af | Antony Chazapis | # copyright notice, this list of conditions and the following
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9 | f7b1d2af | Antony Chazapis | # disclaimer.
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10 | 2715ade4 | Sofia Papagiannaki | #
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11 | f7b1d2af | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
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12 | f7b1d2af | Antony Chazapis | # copyright notice, this list of conditions and the following
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13 | f7b1d2af | Antony Chazapis | # disclaimer in the documentation and/or other materials
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14 | f7b1d2af | Antony Chazapis | # provided with the distribution.
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15 | 2715ade4 | Sofia Papagiannaki | #
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16 | f7b1d2af | Antony Chazapis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | f7b1d2af | Antony Chazapis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | f7b1d2af | Antony Chazapis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | f7b1d2af | Antony Chazapis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | f7b1d2af | Antony Chazapis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | f7b1d2af | Antony Chazapis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | f7b1d2af | Antony Chazapis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | f7b1d2af | Antony Chazapis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | f7b1d2af | Antony Chazapis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | f7b1d2af | Antony Chazapis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | f7b1d2af | Antony Chazapis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | f7b1d2af | Antony Chazapis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 2715ade4 | Sofia Papagiannaki | #
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29 | f7b1d2af | Antony Chazapis | # The views and conclusions contained in the software and
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30 | f7b1d2af | Antony Chazapis | # documentation are those of the authors and should not be
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31 | f7b1d2af | Antony Chazapis | # interpreted as representing official policies, either expressed
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32 | f7b1d2af | Antony Chazapis | # or implied, of GRNET S.A.
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33 | f7b1d2af | Antony Chazapis | |
34 | f7b1d2af | Antony Chazapis | from django.http import HttpResponse |
35 | 8fbfd37b | Antony Chazapis | from django.views.decorators.csrf import csrf_exempt |
36 | f7b1d2af | Antony Chazapis | |
37 | 65bbcd43 | Christos Stavrakakis | from snf_django.lib import api |
38 | bd40abfa | Christos Stavrakakis | from snf_django.lib.api import faults |
39 | cf441bae | Antony Chazapis | |
40 | 83b4c5fa | Antony Chazapis | from pithos.api.util import (put_object_headers, update_manifest_meta, |
41 | e30537f1 | Sofia Papagiannaki | validate_modification_preconditions, |
42 | e30537f1 | Sofia Papagiannaki | validate_matching_preconditions, |
43 | e30537f1 | Sofia Papagiannaki | object_data_response, api_method, |
44 | e30537f1 | Sofia Papagiannaki | split_container_object_string) |
45 | f7b1d2af | Antony Chazapis | |
46 | 65bbcd43 | Christos Stavrakakis | import logging |
47 | f7b1d2af | Antony Chazapis | logger = logging.getLogger(__name__) |
48 | f7b1d2af | Antony Chazapis | |
49 | f7b1d2af | Antony Chazapis | |
50 | 8fbfd37b | Antony Chazapis | @csrf_exempt
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51 | bb4eafc6 | Antony Chazapis | def public_demux(request, v_public): |
52 | f7b1d2af | Antony Chazapis | if request.method == 'HEAD': |
53 | bb4eafc6 | Antony Chazapis | return public_meta(request, v_public)
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54 | f7b1d2af | Antony Chazapis | elif request.method == 'GET': |
55 | bb4eafc6 | Antony Chazapis | return public_read(request, v_public)
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56 | f7b1d2af | Antony Chazapis | else:
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57 | 55616866 | Kostas Papadimitriou | return api.api_method_not_allowed(request)
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58 | f7b1d2af | Antony Chazapis | |
59 | 2715ade4 | Sofia Papagiannaki | |
60 | d630c78b | Sofia Papagiannaki | @api_method(http_method="HEAD", token_required=False, user_required=False, |
61 | d630c78b | Sofia Papagiannaki | logger=logger) |
62 | bb4eafc6 | Antony Chazapis | def public_meta(request, v_public): |
63 | f7b1d2af | Antony Chazapis | # Normal Response Codes: 204
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64 | 08de868d | Antony Chazapis | # Error Response Codes: internalServerError (500),
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65 | f7b1d2af | Antony Chazapis | # itemNotFound (404),
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66 | f7b1d2af | Antony Chazapis | # badRequest (400)
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67 | 2715ade4 | Sofia Papagiannaki | |
68 | d630c78b | Sofia Papagiannaki | request.user_uniq = None
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69 | f7b1d2af | Antony Chazapis | try:
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70 | 2715ade4 | Sofia Papagiannaki | v_account, v_container, v_object = request.backend.get_public( |
71 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, |
72 | 56f3c759 | Sofia Papagiannaki | v_public) |
73 | 61efb530 | Antony Chazapis | meta = request.backend.get_object_meta(request.user_uniq, v_account, |
74 | 2715ade4 | Sofia Papagiannaki | v_container, v_object, 'pithos')
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75 | 2715ade4 | Sofia Papagiannaki | public = request.backend.get_object_public( |
76 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, v_account, |
77 | 2715ade4 | Sofia Papagiannaki | v_container, v_object) |
78 | cca6c617 | Antony Chazapis | except:
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79 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
80 | 2715ade4 | Sofia Papagiannaki | |
81 | e0f916bb | Antony Chazapis | if not public: |
82 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
83 | 8cb45c13 | Antony Chazapis | update_manifest_meta(request, v_account, meta) |
84 | 2715ade4 | Sofia Papagiannaki | |
85 | 4a1c29ea | Antony Chazapis | response = HttpResponse(status=200)
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86 | 4a1c29ea | Antony Chazapis | put_object_headers(response, meta, True)
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87 | f7b1d2af | Antony Chazapis | return response
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88 | f7b1d2af | Antony Chazapis | |
89 | 2715ade4 | Sofia Papagiannaki | |
90 | d630c78b | Sofia Papagiannaki | @api_method(http_method="GET", token_required=False, user_required=False, |
91 | d630c78b | Sofia Papagiannaki | logger=logger) |
92 | bb4eafc6 | Antony Chazapis | def public_read(request, v_public): |
93 | f7b1d2af | Antony Chazapis | # Normal Response Codes: 200, 206
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94 | 08de868d | Antony Chazapis | # Error Response Codes: internalServerError (500),
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95 | f7b1d2af | Antony Chazapis | # rangeNotSatisfiable (416),
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96 | f7b1d2af | Antony Chazapis | # preconditionFailed (412),
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97 | f7b1d2af | Antony Chazapis | # itemNotFound (404),
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98 | f7b1d2af | Antony Chazapis | # badRequest (400),
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99 | f7b1d2af | Antony Chazapis | # notModified (304)
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100 | 56f3c759 | Sofia Papagiannaki | |
101 | d630c78b | Sofia Papagiannaki | request.user_uniq = None
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102 | f7b1d2af | Antony Chazapis | try:
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103 | 2715ade4 | Sofia Papagiannaki | v_account, v_container, v_object = request.backend.get_public( |
104 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, |
105 | 56f3c759 | Sofia Papagiannaki | v_public) |
106 | 61efb530 | Antony Chazapis | meta = request.backend.get_object_meta(request.user_uniq, v_account, |
107 | 2715ade4 | Sofia Papagiannaki | v_container, v_object, 'pithos')
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108 | 2715ade4 | Sofia Papagiannaki | public = request.backend.get_object_public( |
109 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, v_account, |
110 | 2715ade4 | Sofia Papagiannaki | v_container, v_object) |
111 | cca6c617 | Antony Chazapis | except:
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112 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
113 | 2715ade4 | Sofia Papagiannaki | |
114 | e0f916bb | Antony Chazapis | if not public: |
115 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
116 | 8cb45c13 | Antony Chazapis | update_manifest_meta(request, v_account, meta) |
117 | 2715ade4 | Sofia Papagiannaki | |
118 | f7b1d2af | Antony Chazapis | # Evaluate conditions.
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119 | f7b1d2af | Antony Chazapis | validate_modification_preconditions(request, meta) |
120 | f7b1d2af | Antony Chazapis | try:
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121 | f7b1d2af | Antony Chazapis | validate_matching_preconditions(request, meta) |
122 | bd40abfa | Christos Stavrakakis | except faults.NotModified:
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123 | f7b1d2af | Antony Chazapis | response = HttpResponse(status=304)
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124 | 4a1c29ea | Antony Chazapis | response['ETag'] = meta['ETag'] |
125 | f7b1d2af | Antony Chazapis | return response
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126 | 2715ade4 | Sofia Papagiannaki | |
127 | 8cb45c13 | Antony Chazapis | sizes = [] |
128 | 8cb45c13 | Antony Chazapis | hashmaps = [] |
129 | 8cb45c13 | Antony Chazapis | if 'X-Object-Manifest' in meta: |
130 | 8cb45c13 | Antony Chazapis | try:
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131 | 2715ade4 | Sofia Papagiannaki | src_container, src_name = split_container_object_string( |
132 | 2715ade4 | Sofia Papagiannaki | '/' + meta['X-Object-Manifest']) |
133 | 2715ade4 | Sofia Papagiannaki | objects = request.backend.list_objects( |
134 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, v_account, |
135 | 2715ade4 | Sofia Papagiannaki | src_container, prefix=src_name, virtual=False)
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136 | cca6c617 | Antony Chazapis | except:
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137 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
138 | 2715ade4 | Sofia Papagiannaki | |
139 | 8cb45c13 | Antony Chazapis | try:
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140 | 8cb45c13 | Antony Chazapis | for x in objects: |
141 | 61efb530 | Antony Chazapis | s, h = request.backend.get_object_hashmap(request.user_uniq, |
142 | 65bbcd43 | Christos Stavrakakis | v_account, |
143 | 65bbcd43 | Christos Stavrakakis | src_container, |
144 | 65bbcd43 | Christos Stavrakakis | x[0], x[1]) |
145 | 8cb45c13 | Antony Chazapis | sizes.append(s) |
146 | 8cb45c13 | Antony Chazapis | hashmaps.append(h) |
147 | cca6c617 | Antony Chazapis | except:
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148 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
149 | 8cb45c13 | Antony Chazapis | else:
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150 | 8cb45c13 | Antony Chazapis | try:
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151 | 2715ade4 | Sofia Papagiannaki | s, h = request.backend.get_object_hashmap( |
152 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, v_account, |
153 | 2715ade4 | Sofia Papagiannaki | v_container, v_object) |
154 | 8cb45c13 | Antony Chazapis | sizes.append(s) |
155 | 8cb45c13 | Antony Chazapis | hashmaps.append(h) |
156 | cca6c617 | Antony Chazapis | except:
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157 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
158 | 2715ade4 | Sofia Papagiannaki | |
159 | bb4eafc6 | Antony Chazapis | if 'Content-Disposition' not in meta: |
160 | bb4eafc6 | Antony Chazapis | name = v_object.rstrip('/').split('/')[-1] |
161 | bb4eafc6 | Antony Chazapis | if not name: |
162 | bb4eafc6 | Antony Chazapis | name = v_public |
163 | bb4eafc6 | Antony Chazapis | meta['Content-Disposition'] = 'attachment; filename=%s' % (name,) |
164 | 2715ade4 | Sofia Papagiannaki | |
165 | 8cb45c13 | Antony Chazapis | return object_data_response(request, sizes, hashmaps, meta, True) |