1 # Copyright 2011 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or
4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
8 # copyright notice, this list of conditions and the following
11 # 2. Redistributions in binary form must reproduce the above
12 # copyright notice, this list of conditions and the following
13 # disclaimer in the documentation and/or other materials
14 # provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17 # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 # POSSIBILITY OF SUCH DAMAGE.
29 # The views and conclusions contained in the software and
30 # documentation are those of the authors and should not be
31 # interpreted as representing official policies, either expressed
32 # or implied, of GRNET S.A.
36 from django.http import HttpResponse
38 from pithos.api.faults import (Fault, BadRequest, ItemNotFound)
39 from pithos.api.util import (put_object_headers, update_manifest_meta,
40 validate_modification_preconditions, validate_matching_preconditions,
41 object_data_response, api_method)
42 from pithos.api.short_url import decode_url
45 logger = logging.getLogger(__name__)
48 def public_demux(request, v_public):
49 if request.method == 'HEAD':
50 return public_meta(request, v_public)
51 elif request.method == 'GET':
52 return public_read(request, v_public)
54 return method_not_allowed(request)
56 @api_method('HEAD', user_required=False)
57 def public_meta(request, v_public):
58 # Normal Response Codes: 204
59 # Error Response Codes: serviceUnavailable (503),
64 v_account, v_container, v_object = request.backend.get_public(request.user_uniq,
66 meta = request.backend.get_object_meta(request.user_uniq, v_account,
67 v_container, v_object, 'pithos')
68 public = request.backend.get_object_public(request.user_uniq, v_account,
69 v_container, v_object)
71 raise ItemNotFound('Object does not exist')
74 raise ItemNotFound('Object does not exist')
75 update_manifest_meta(request, v_account, meta)
77 response = HttpResponse(status=200)
78 put_object_headers(response, meta, True)
81 @api_method('GET', user_required=False)
82 def public_read(request, v_public):
83 # Normal Response Codes: 200, 206
84 # Error Response Codes: serviceUnavailable (503),
85 # rangeNotSatisfiable (416),
86 # preconditionFailed (412),
93 v_account, v_container, v_object = request.backend.get_public(request.user_uniq,
95 meta = request.backend.get_object_meta(request.user_uniq, v_account,
96 v_container, v_object, 'pithos')
97 public = request.backend.get_object_public(request.user_uniq, v_account,
98 v_container, v_object)
100 raise ItemNotFound('Object does not exist')
103 raise ItemNotFound('Object does not exist')
104 update_manifest_meta(request, v_account, meta)
106 # Evaluate conditions.
107 validate_modification_preconditions(request, meta)
109 validate_matching_preconditions(request, meta)
111 response = HttpResponse(status=304)
112 response['ETag'] = meta['ETag']
117 if 'X-Object-Manifest' in meta:
119 src_container, src_name = split_container_object_string('/' + meta['X-Object-Manifest'])
120 objects = request.backend.list_objects(request.user_uniq, v_account,
121 src_container, prefix=src_name, virtual=False)
123 raise ItemNotFound('Object does not exist')
127 s, h = request.backend.get_object_hashmap(request.user_uniq,
128 v_account, src_container, x[0], x[1])
132 raise ItemNotFound('Object does not exist')
135 s, h = request.backend.get_object_hashmap(request.user_uniq, v_account,
136 v_container, v_object)
140 raise ItemNotFound('Object does not exist')
142 if 'Content-Disposition' not in meta:
143 name = v_object.rstrip('/').split('/')[-1]
146 meta['Content-Disposition'] = 'attachment; filename=%s' % (name,)
148 return object_data_response(request, sizes, hashmaps, meta, True)
150 @api_method(user_required=False)
151 def method_not_allowed(request, **v_args):
152 raise ItemNotFound('Object does not exist')