root / snf-pithos-app / pithos / api / util.py @ 9f135224
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1 | 2e662088 | Antony Chazapis | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 2715ade4 | Sofia Papagiannaki | #
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3 | 5635f9ef | Antony Chazapis | # Redistribution and use in source and binary forms, with or
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4 | 5635f9ef | Antony Chazapis | # without modification, are permitted provided that the following
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5 | 5635f9ef | Antony Chazapis | # conditions are met:
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6 | 2715ade4 | Sofia Papagiannaki | #
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7 | 5635f9ef | Antony Chazapis | # 1. Redistributions of source code must retain the above
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8 | 5635f9ef | Antony Chazapis | # copyright notice, this list of conditions and the following
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9 | 5635f9ef | Antony Chazapis | # disclaimer.
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10 | 2715ade4 | Sofia Papagiannaki | #
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11 | 5635f9ef | Antony Chazapis | # 2. Redistributions in binary form must reproduce the above
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12 | 5635f9ef | Antony Chazapis | # copyright notice, this list of conditions and the following
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13 | 5635f9ef | Antony Chazapis | # disclaimer in the documentation and/or other materials
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14 | 5635f9ef | Antony Chazapis | # provided with the distribution.
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15 | 2715ade4 | Sofia Papagiannaki | #
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16 | 5635f9ef | Antony Chazapis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 5635f9ef | Antony Chazapis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 5635f9ef | Antony Chazapis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 5635f9ef | Antony Chazapis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 5635f9ef | Antony Chazapis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 5635f9ef | Antony Chazapis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 5635f9ef | Antony Chazapis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 5635f9ef | Antony Chazapis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 5635f9ef | Antony Chazapis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 5635f9ef | Antony Chazapis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 5635f9ef | Antony Chazapis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 5635f9ef | Antony Chazapis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 2715ade4 | Sofia Papagiannaki | #
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29 | 5635f9ef | Antony Chazapis | # The views and conclusions contained in the software and
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30 | 5635f9ef | Antony Chazapis | # documentation are those of the authors and should not be
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31 | 5635f9ef | Antony Chazapis | # interpreted as representing official policies, either expressed
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32 | 5635f9ef | Antony Chazapis | # or implied, of GRNET S.A.
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33 | 5635f9ef | Antony Chazapis | |
34 | b956618e | Antony Chazapis | from functools import wraps |
35 | 65bbcd43 | Christos Stavrakakis | from datetime import datetime |
36 | 9fefc052 | Antony Chazapis | from urllib import quote, unquote |
37 | b956618e | Antony Chazapis | |
38 | d2d09227 | Sofia Papagiannaki | from django.http import HttpResponse, Http404, HttpResponseForbidden |
39 | 6b6b6c1e | Antony Chazapis | from django.template.loader import render_to_string |
40 | 1993fea9 | Antony Chazapis | from django.utils import simplejson as json |
41 | 22dab079 | Antony Chazapis | from django.utils.http import http_date, parse_etags |
42 | fb064032 | Antony Chazapis | from django.utils.encoding import smart_unicode, smart_str |
43 | 817890f2 | Antony Chazapis | from django.core.files.uploadhandler import FileUploadHandler |
44 | 817890f2 | Antony Chazapis | from django.core.files.uploadedfile import UploadedFile |
45 | a3fcee5b | Sofia Papagiannaki | from django.core.urlresolvers import reverse |
46 | b956618e | Antony Chazapis | |
47 | 896754a6 | Christos Stavrakakis | from snf_django.lib.api.parsedate import parse_http_date_safe, parse_http_date |
48 | 65bbcd43 | Christos Stavrakakis | from snf_django.lib import api |
49 | 65bbcd43 | Christos Stavrakakis | from snf_django.lib.api import faults, utils |
50 | 5a96180b | Antony Chazapis | |
51 | a7dff008 | Antony Chazapis | from pithos.api.settings import (BACKEND_DB_MODULE, BACKEND_DB_CONNECTION, |
52 | 761c2b3c | root | BACKEND_BLOCK_MODULE, BACKEND_BLOCK_PATH, |
53 | 761c2b3c | root | BACKEND_BLOCK_UMASK, |
54 | f4fbb0fa | Sofia Papagiannaki | BACKEND_QUEUE_MODULE, BACKEND_QUEUE_HOSTS, |
55 | b17e5550 | Giorgos Korfiatis | BACKEND_QUEUE_EXCHANGE, |
56 | 16f2673e | Sofia Papagiannaki | ASTAKOSCLIENT_POOLSIZE, |
57 | b17e5550 | Giorgos Korfiatis | SERVICE_TOKEN, |
58 | e3ff6830 | Georgios D. Tsoukalas | ASTAKOS_BASE_URL, |
59 | 19ddd41b | Sofia Papagiannaki | BACKEND_ACCOUNT_QUOTA, BACKEND_CONTAINER_QUOTA, |
60 | 19ddd41b | Sofia Papagiannaki | BACKEND_VERSIONING, |
61 | 61c5b615 | Sofia Papagiannaki | BACKEND_FREE_VERSIONING, BACKEND_POOL_SIZE, |
62 | 47462eda | Filippos Giannakos | RADOS_STORAGE, RADOS_POOL_BLOCKS, |
63 | 56f3c759 | Sofia Papagiannaki | RADOS_POOL_MAPS, TRANSLATE_UUIDS, |
64 | 4a105ce2 | Sofia Papagiannaki | PUBLIC_URL_SECURITY, |
65 | a3fcee5b | Sofia Papagiannaki | PUBLIC_URL_ALPHABET, |
66 | cc1f91ad | Sofia Papagiannaki | COOKIE_NAME, BASE_HOST) |
67 | 02de6286 | Sofia Papagiannaki | from pithos.api.resources import resources |
68 | 32454501 | Sofia Papagiannaki | from pithos.backends.base import (NotAllowedError, QuotaError, ItemNotExists, |
69 | 32454501 | Sofia Papagiannaki | VersionNotExists) |
70 | a3fcee5b | Sofia Papagiannaki | |
71 | a3fcee5b | Sofia Papagiannaki | from synnefo.lib import join_urls |
72 | a3fcee5b | Sofia Papagiannaki | |
73 | e6fb591c | Ilias Tsitsimpis | from astakosclient import AstakosClient |
74 | e6fb591c | Ilias Tsitsimpis | from astakosclient.errors import NoUserName, NoUUID |
75 | b956618e | Antony Chazapis | |
76 | b956618e | Antony Chazapis | import logging |
77 | 22dab079 | Antony Chazapis | import re |
78 | cbfb6636 | Sofia Papagiannaki | import hashlib |
79 | 7bef5750 | Antony Chazapis | import uuid |
80 | c48acbfd | Sofia Papagiannaki | import decimal |
81 | 8c793655 | Antony Chazapis | |
82 | b956618e | Antony Chazapis | logger = logging.getLogger(__name__) |
83 | b956618e | Antony Chazapis | |
84 | b956618e | Antony Chazapis | |
85 | c48acbfd | Sofia Papagiannaki | def json_encode_decimal(obj): |
86 | c48acbfd | Sofia Papagiannaki | if isinstance(obj, decimal.Decimal): |
87 | c48acbfd | Sofia Papagiannaki | return str(obj) |
88 | c48acbfd | Sofia Papagiannaki | raise TypeError(repr(obj) + " is not JSON serializable") |
89 | c48acbfd | Sofia Papagiannaki | |
90 | 2715ade4 | Sofia Papagiannaki | |
91 | 804e8fe7 | Antony Chazapis | def rename_meta_key(d, old, new): |
92 | 804e8fe7 | Antony Chazapis | if old not in d: |
93 | 804e8fe7 | Antony Chazapis | return
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94 | 804e8fe7 | Antony Chazapis | d[new] = d[old] |
95 | 804e8fe7 | Antony Chazapis | del(d[old])
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96 | 804e8fe7 | Antony Chazapis | |
97 | 2715ade4 | Sofia Papagiannaki | |
98 | 02c0c3fa | Antony Chazapis | def printable_header_dict(d): |
99 | b956618e | Antony Chazapis | """Format a meta dictionary for printing out json/xml.
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100 | 2715ade4 | Sofia Papagiannaki |
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101 | 804e8fe7 | Antony Chazapis | Convert all keys to lower case and replace dashes with underscores.
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102 | 804e8fe7 | Antony Chazapis | Format 'last_modified' timestamp.
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103 | b956618e | Antony Chazapis | """
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104 | 2715ade4 | Sofia Papagiannaki | |
105 | 371d907a | Antony Chazapis | if 'last_modified' in d and d['last_modified']: |
106 | 65bbcd43 | Christos Stavrakakis | d['last_modified'] = utils.isoformat(
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107 | 2715ade4 | Sofia Papagiannaki | datetime.fromtimestamp(d['last_modified']))
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108 | b956618e | Antony Chazapis | return dict([(k.lower().replace('-', '_'), v) for k, v in d.iteritems()]) |
109 | b956618e | Antony Chazapis | |
110 | 2715ade4 | Sofia Papagiannaki | |
111 | 02c0c3fa | Antony Chazapis | def format_header_key(k): |
112 | 58a6c894 | Antony Chazapis | """Convert underscores to dashes and capitalize intra-dash strings."""
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113 | b956618e | Antony Chazapis | return '-'.join([x.capitalize() for x in k.replace('_', '-').split('-')]) |
114 | b956618e | Antony Chazapis | |
115 | 2715ade4 | Sofia Papagiannaki | |
116 | 02c0c3fa | Antony Chazapis | def get_header_prefix(request, prefix): |
117 | ad0efdb3 | Ilias Tsitsimpis | """Get all prefix-* request headers in a dict.
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118 | ad0efdb3 | Ilias Tsitsimpis | Reformat keys with format_header_key()."""
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119 | 2715ade4 | Sofia Papagiannaki | |
120 | b956618e | Antony Chazapis | prefix = 'HTTP_' + prefix.upper().replace('-', '_') |
121 | 3ab38c43 | Antony Chazapis | # TODO: Document or remove '~' replacing.
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122 | ad0efdb3 | Ilias Tsitsimpis | return dict([(format_header_key(k[5:]), v.replace('~', '')) |
123 | ad0efdb3 | Ilias Tsitsimpis | for k, v in request.META.iteritems() |
124 | ad0efdb3 | Ilias Tsitsimpis | if k.startswith(prefix) and len(k) > len(prefix)]) |
125 | 02c0c3fa | Antony Chazapis | |
126 | 2715ade4 | Sofia Papagiannaki | |
127 | 62bf8157 | Antony Chazapis | def check_meta_headers(meta): |
128 | 62bf8157 | Antony Chazapis | if len(meta) > 90: |
129 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Too many headers.') |
130 | 62bf8157 | Antony Chazapis | for k, v in meta.iteritems(): |
131 | 62bf8157 | Antony Chazapis | if len(k) > 128: |
132 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Header name too large.') |
133 | 62bf8157 | Antony Chazapis | if len(v) > 256: |
134 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Header value too large.') |
135 | 62bf8157 | Antony Chazapis | |
136 | 2715ade4 | Sofia Papagiannaki | |
137 | 02c0c3fa | Antony Chazapis | def get_account_headers(request): |
138 | 02c0c3fa | Antony Chazapis | meta = get_header_prefix(request, 'X-Account-Meta-')
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139 | 62bf8157 | Antony Chazapis | check_meta_headers(meta) |
140 | 02c0c3fa | Antony Chazapis | groups = {} |
141 | 02c0c3fa | Antony Chazapis | for k, v in get_header_prefix(request, 'X-Account-Group-').iteritems(): |
142 | 02c0c3fa | Antony Chazapis | n = k[16:].lower()
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143 | 02c0c3fa | Antony Chazapis | if '-' in n or '_' in n: |
144 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Bad characters in group name') |
145 | 02c0c3fa | Antony Chazapis | groups[n] = v.replace(' ', '').split(',') |
146 | 40d6b76d | Antony Chazapis | while '' in groups[n]: |
147 | 02c0c3fa | Antony Chazapis | groups[n].remove('')
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148 | 02c0c3fa | Antony Chazapis | return meta, groups
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149 | 02c0c3fa | Antony Chazapis | |
150 | 2715ade4 | Sofia Papagiannaki | |
151 | 647a5f48 | Antony Chazapis | def put_account_headers(response, meta, groups, policy): |
152 | f6c97079 | Antony Chazapis | if 'count' in meta: |
153 | f6c97079 | Antony Chazapis | response['X-Account-Container-Count'] = meta['count'] |
154 | f6c97079 | Antony Chazapis | if 'bytes' in meta: |
155 | f6c97079 | Antony Chazapis | response['X-Account-Bytes-Used'] = meta['bytes'] |
156 | d065f612 | Antony Chazapis | response['Last-Modified'] = http_date(int(meta['modified'])) |
157 | b956618e | Antony Chazapis | for k in [x for x in meta.keys() if x.startswith('X-Account-Meta-')]: |
158 | 2715ade4 | Sofia Papagiannaki | response[smart_str( |
159 | 2715ade4 | Sofia Papagiannaki | k, strings_only=True)] = smart_str(meta[k], strings_only=True) |
160 | 83dd59c5 | Antony Chazapis | if 'until_timestamp' in meta: |
161 | 2715ade4 | Sofia Papagiannaki | response['X-Account-Until-Timestamp'] = http_date(
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162 | 2715ade4 | Sofia Papagiannaki | int(meta['until_timestamp'])) |
163 | 02c0c3fa | Antony Chazapis | for k, v in groups.iteritems(): |
164 | e7b51248 | Sofia Papagiannaki | k = smart_str(k, strings_only=True)
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165 | e7b51248 | Sofia Papagiannaki | k = format_header_key('X-Account-Group-' + k)
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166 | e7b51248 | Sofia Papagiannaki | v = smart_str(','.join(v), strings_only=True) |
167 | e7b51248 | Sofia Papagiannaki | response[k] = v |
168 | 647a5f48 | Antony Chazapis | for k, v in policy.iteritems(): |
169 | ad0efdb3 | Ilias Tsitsimpis | response[smart_str(format_header_key('X-Account-Policy-' + k),
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170 | ad0efdb3 | Ilias Tsitsimpis | strings_only=True)] = smart_str(v, strings_only=True) |
171 | 647a5f48 | Antony Chazapis | |
172 | 2715ade4 | Sofia Papagiannaki | |
173 | 02c0c3fa | Antony Chazapis | def get_container_headers(request): |
174 | 02c0c3fa | Antony Chazapis | meta = get_header_prefix(request, 'X-Container-Meta-')
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175 | 62bf8157 | Antony Chazapis | check_meta_headers(meta) |
176 | ad0efdb3 | Ilias Tsitsimpis | policy = dict([(k[19:].lower(), v.replace(' ', '')) for k, v in |
177 | ad0efdb3 | Ilias Tsitsimpis | get_header_prefix(request, |
178 | ad0efdb3 | Ilias Tsitsimpis | 'X-Container-Policy-').iteritems()])
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179 | 3ab38c43 | Antony Chazapis | return meta, policy
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180 | b956618e | Antony Chazapis | |
181 | 2715ade4 | Sofia Papagiannaki | |
182 | 39593b2b | Giorgos Verigakis | def put_container_headers(request, response, meta, policy): |
183 | f6c97079 | Antony Chazapis | if 'count' in meta: |
184 | f6c97079 | Antony Chazapis | response['X-Container-Object-Count'] = meta['count'] |
185 | f6c97079 | Antony Chazapis | if 'bytes' in meta: |
186 | f6c97079 | Antony Chazapis | response['X-Container-Bytes-Used'] = meta['bytes'] |
187 | 58a6c894 | Antony Chazapis | response['Last-Modified'] = http_date(int(meta['modified'])) |
188 | b956618e | Antony Chazapis | for k in [x for x in meta.keys() if x.startswith('X-Container-Meta-')]: |
189 | 2715ade4 | Sofia Papagiannaki | response[smart_str( |
190 | 2715ade4 | Sofia Papagiannaki | k, strings_only=True)] = smart_str(meta[k], strings_only=True) |
191 | 2715ade4 | Sofia Papagiannaki | l = [smart_str(x, strings_only=True) for x in meta['object_meta'] |
192 | 2715ade4 | Sofia Papagiannaki | if x.startswith('X-Object-Meta-')] |
193 | e7b51248 | Sofia Papagiannaki | response['X-Container-Object-Meta'] = ','.join([x[14:] for x in l]) |
194 | 39593b2b | Giorgos Verigakis | response['X-Container-Block-Size'] = request.backend.block_size
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195 | 39593b2b | Giorgos Verigakis | response['X-Container-Block-Hash'] = request.backend.hash_algorithm
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196 | 83dd59c5 | Antony Chazapis | if 'until_timestamp' in meta: |
197 | 2715ade4 | Sofia Papagiannaki | response['X-Container-Until-Timestamp'] = http_date(
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198 | 2715ade4 | Sofia Papagiannaki | int(meta['until_timestamp'])) |
199 | 3ab38c43 | Antony Chazapis | for k, v in policy.iteritems(): |
200 | ad0efdb3 | Ilias Tsitsimpis | response[smart_str(format_header_key('X-Container-Policy-' + k),
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201 | ad0efdb3 | Ilias Tsitsimpis | strings_only=True)] = smart_str(v, strings_only=True) |
202 | b956618e | Antony Chazapis | |
203 | 2715ade4 | Sofia Papagiannaki | |
204 | 02c0c3fa | Antony Chazapis | def get_object_headers(request): |
205 | 66ce2ca5 | Antony Chazapis | content_type = request.META.get('CONTENT_TYPE', None) |
206 | 02c0c3fa | Antony Chazapis | meta = get_header_prefix(request, 'X-Object-Meta-')
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207 | 62bf8157 | Antony Chazapis | check_meta_headers(meta) |
208 | b956618e | Antony Chazapis | if request.META.get('HTTP_CONTENT_ENCODING'): |
209 | b956618e | Antony Chazapis | meta['Content-Encoding'] = request.META['HTTP_CONTENT_ENCODING'] |
210 | 22dab079 | Antony Chazapis | if request.META.get('HTTP_CONTENT_DISPOSITION'): |
211 | 22dab079 | Antony Chazapis | meta['Content-Disposition'] = request.META['HTTP_CONTENT_DISPOSITION'] |
212 | b956618e | Antony Chazapis | if request.META.get('HTTP_X_OBJECT_MANIFEST'): |
213 | b956618e | Antony Chazapis | meta['X-Object-Manifest'] = request.META['HTTP_X_OBJECT_MANIFEST'] |
214 | 66ce2ca5 | Antony Chazapis | return content_type, meta, get_sharing(request), get_public(request)
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215 | b956618e | Antony Chazapis | |
216 | 2715ade4 | Sofia Papagiannaki | |
217 | 469d0997 | Georgios D. Tsoukalas | def put_object_headers(response, meta, restricted=False, token=None): |
218 | 33b4e4a6 | Antony Chazapis | response['ETag'] = meta['checksum'] |
219 | b956618e | Antony Chazapis | response['Content-Length'] = meta['bytes'] |
220 | 8e95eb05 | Sofia Papagiannaki | response.override_serialization = True
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221 | 66ce2ca5 | Antony Chazapis | response['Content-Type'] = meta.get('type', 'application/octet-stream') |
222 | b956618e | Antony Chazapis | response['Last-Modified'] = http_date(int(meta['modified'])) |
223 | 3ab38c43 | Antony Chazapis | if not restricted: |
224 | 4a1c29ea | Antony Chazapis | response['X-Object-Hash'] = meta['hash'] |
225 | 37bee317 | Antony Chazapis | response['X-Object-UUID'] = meta['uuid'] |
226 | 469d0997 | Georgios D. Tsoukalas | if TRANSLATE_UUIDS:
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227 | ad0efdb3 | Ilias Tsitsimpis | meta['modified_by'] = \
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228 | ad0efdb3 | Ilias Tsitsimpis | retrieve_displayname(token, meta['modified_by'])
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229 | 7273ee62 | Sofia Papagiannaki | response['X-Object-Modified-By'] = smart_str(
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230 | 7273ee62 | Sofia Papagiannaki | meta['modified_by'], strings_only=True) |
231 | 7bef5750 | Antony Chazapis | response['X-Object-Version'] = meta['version'] |
232 | 2715ade4 | Sofia Papagiannaki | response['X-Object-Version-Timestamp'] = http_date(
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233 | 2715ade4 | Sofia Papagiannaki | int(meta['version_timestamp'])) |
234 | 7bef5750 | Antony Chazapis | for k in [x for x in meta.keys() if x.startswith('X-Object-Meta-')]: |
235 | 2715ade4 | Sofia Papagiannaki | response[smart_str( |
236 | 2715ade4 | Sofia Papagiannaki | k, strings_only=True)] = smart_str(meta[k], strings_only=True) |
237 | 2715ade4 | Sofia Papagiannaki | for k in ( |
238 | 2715ade4 | Sofia Papagiannaki | 'Content-Encoding', 'Content-Disposition', 'X-Object-Manifest', |
239 | 2715ade4 | Sofia Papagiannaki | 'X-Object-Sharing', 'X-Object-Shared-By', 'X-Object-Allowed-To', |
240 | 2715ade4 | Sofia Papagiannaki | 'X-Object-Public'):
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241 | 7bef5750 | Antony Chazapis | if k in meta: |
242 | e7b51248 | Sofia Papagiannaki | response[k] = smart_str(meta[k], strings_only=True)
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243 | 7bef5750 | Antony Chazapis | else:
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244 | c9af0703 | Antony Chazapis | for k in ('Content-Encoding', 'Content-Disposition'): |
245 | 7bef5750 | Antony Chazapis | if k in meta: |
246 | e8d003e8 | Antony Chazapis | response[k] = smart_str(meta[k], strings_only=True)
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247 | b956618e | Antony Chazapis | |
248 | 2715ade4 | Sofia Papagiannaki | |
249 | 8cb45c13 | Antony Chazapis | def update_manifest_meta(request, v_account, meta): |
250 | 8cb45c13 | Antony Chazapis | """Update metadata if the object has an X-Object-Manifest."""
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251 | 2715ade4 | Sofia Papagiannaki | |
252 | 8cb45c13 | Antony Chazapis | if 'X-Object-Manifest' in meta: |
253 | 4a1c29ea | Antony Chazapis | etag = ''
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254 | 8cb45c13 | Antony Chazapis | bytes = 0
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255 | 8cb45c13 | Antony Chazapis | try:
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256 | 2715ade4 | Sofia Papagiannaki | src_container, src_name = split_container_object_string( |
257 | 2715ade4 | Sofia Papagiannaki | '/' + meta['X-Object-Manifest']) |
258 | 2715ade4 | Sofia Papagiannaki | objects = request.backend.list_objects( |
259 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, v_account, |
260 | 2715ade4 | Sofia Papagiannaki | src_container, prefix=src_name, virtual=False)
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261 | 8cb45c13 | Antony Chazapis | for x in objects: |
262 | 61efb530 | Antony Chazapis | src_meta = request.backend.get_object_meta(request.user_uniq, |
263 | ad0efdb3 | Ilias Tsitsimpis | v_account, |
264 | ad0efdb3 | Ilias Tsitsimpis | src_container, |
265 | ad0efdb3 | Ilias Tsitsimpis | x[0], 'pithos', x[1]) |
266 | 33b4e4a6 | Antony Chazapis | etag += src_meta['checksum']
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267 | 8cb45c13 | Antony Chazapis | bytes += src_meta['bytes'] |
268 | 8cb45c13 | Antony Chazapis | except:
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269 | 8cb45c13 | Antony Chazapis | # Ignore errors.
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270 | 8cb45c13 | Antony Chazapis | return
|
271 | 8cb45c13 | Antony Chazapis | meta['bytes'] = bytes |
272 | 8cb45c13 | Antony Chazapis | md5 = hashlib.md5() |
273 | 4a1c29ea | Antony Chazapis | md5.update(etag) |
274 | 33b4e4a6 | Antony Chazapis | meta['checksum'] = md5.hexdigest().lower()
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275 | 8cb45c13 | Antony Chazapis | |
276 | ad0efdb3 | Ilias Tsitsimpis | |
277 | 9839cc96 | root | def is_uuid(str): |
278 | 0325be55 | Sofia Papagiannaki | if str is None: |
279 | 0325be55 | Sofia Papagiannaki | return False |
280 | 9839cc96 | root | try:
|
281 | 9839cc96 | root | uuid.UUID(str)
|
282 | 9839cc96 | root | except ValueError: |
283 | 0325be55 | Sofia Papagiannaki | return False |
284 | 9839cc96 | root | else:
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285 | ad0efdb3 | Ilias Tsitsimpis | return True |
286 | ad0efdb3 | Ilias Tsitsimpis | |
287 | 2715ade4 | Sofia Papagiannaki | |
288 | 27932481 | Sofia Papagiannaki | ##########################
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289 | 27932481 | Sofia Papagiannaki | # USER CATALOG utilities #
|
290 | 27932481 | Sofia Papagiannaki | ##########################
|
291 | 27932481 | Sofia Papagiannaki | |
292 | 469d0997 | Georgios D. Tsoukalas | def retrieve_displayname(token, uuid, fail_silently=True): |
293 | e3ff6830 | Georgios D. Tsoukalas | astakos = AstakosClient(ASTAKOS_BASE_URL, retry=2, use_pool=True, |
294 | e3ff6830 | Georgios D. Tsoukalas | logger=logger) |
295 | e6fb591c | Ilias Tsitsimpis | try:
|
296 | e6fb591c | Ilias Tsitsimpis | displayname = astakos.get_username(token, uuid) |
297 | e6fb591c | Ilias Tsitsimpis | except NoUserName:
|
298 | e6fb591c | Ilias Tsitsimpis | if not fail_silently: |
299 | e6fb591c | Ilias Tsitsimpis | raise ItemNotExists(uuid)
|
300 | e6fb591c | Ilias Tsitsimpis | else:
|
301 | e6fb591c | Ilias Tsitsimpis | # just return the uuid
|
302 | e6fb591c | Ilias Tsitsimpis | return uuid
|
303 | 469d0997 | Georgios D. Tsoukalas | return displayname
|
304 | 32454501 | Sofia Papagiannaki | |
305 | ad0efdb3 | Ilias Tsitsimpis | |
306 | 469d0997 | Georgios D. Tsoukalas | def retrieve_displaynames(token, uuids, return_dict=False, fail_silently=True): |
307 | e3ff6830 | Georgios D. Tsoukalas | astakos = AstakosClient(ASTAKOS_BASE_URL, retry=2, use_pool=True, |
308 | e3ff6830 | Georgios D. Tsoukalas | logger=logger) |
309 | e6fb591c | Ilias Tsitsimpis | catalog = astakos.get_usernames(token, uuids) or {}
|
310 | 469d0997 | Georgios D. Tsoukalas | missing = list(set(uuids) - set(catalog)) |
311 | 469d0997 | Georgios D. Tsoukalas | if missing and not fail_silently: |
312 | 469d0997 | Georgios D. Tsoukalas | raise ItemNotExists('Unknown displaynames: %s' % ', '.join(missing)) |
313 | 469d0997 | Georgios D. Tsoukalas | return catalog if return_dict else [catalog.get(i) for i in uuids] |
314 | 88dd5c4d | Sofia Papagiannaki | |
315 | ad0efdb3 | Ilias Tsitsimpis | |
316 | 27932481 | Sofia Papagiannaki | def retrieve_uuid(token, displayname): |
317 | 890c2065 | Sofia Papagiannaki | if is_uuid(displayname):
|
318 | 890c2065 | Sofia Papagiannaki | return displayname
|
319 | 890c2065 | Sofia Papagiannaki | |
320 | e3ff6830 | Georgios D. Tsoukalas | astakos = AstakosClient(ASTAKOS_BASE_URL, retry=2, use_pool=True, |
321 | e3ff6830 | Georgios D. Tsoukalas | logger=logger) |
322 | e6fb591c | Ilias Tsitsimpis | try:
|
323 | e6fb591c | Ilias Tsitsimpis | uuid = astakos.get_uuid(token, displayname) |
324 | e6fb591c | Ilias Tsitsimpis | except NoUUID:
|
325 | 890c2065 | Sofia Papagiannaki | raise ItemNotExists(displayname)
|
326 | 890c2065 | Sofia Papagiannaki | return uuid
|
327 | 890c2065 | Sofia Papagiannaki | |
328 | ad0efdb3 | Ilias Tsitsimpis | |
329 | 469d0997 | Georgios D. Tsoukalas | def retrieve_uuids(token, displaynames, return_dict=False, fail_silently=True): |
330 | e3ff6830 | Georgios D. Tsoukalas | astakos = AstakosClient(ASTAKOS_BASE_URL, retry=2, use_pool=True, |
331 | e3ff6830 | Georgios D. Tsoukalas | logger=logger) |
332 | e6fb591c | Ilias Tsitsimpis | catalog = astakos.get_uuids(token, displaynames) or {}
|
333 | 469d0997 | Georgios D. Tsoukalas | missing = list(set(displaynames) - set(catalog)) |
334 | 469d0997 | Georgios D. Tsoukalas | if missing and not fail_silently: |
335 | 469d0997 | Georgios D. Tsoukalas | raise ItemNotExists('Unknown uuids: %s' % ', '.join(missing)) |
336 | 469d0997 | Georgios D. Tsoukalas | return catalog if return_dict else [catalog.get(i) for i in displaynames] |
337 | 890c2065 | Sofia Papagiannaki | |
338 | ad0efdb3 | Ilias Tsitsimpis | |
339 | 27932481 | Sofia Papagiannaki | def replace_permissions_displayname(token, holder): |
340 | 469d0997 | Georgios D. Tsoukalas | if holder == '*': |
341 | 469d0997 | Georgios D. Tsoukalas | return holder
|
342 | 32454501 | Sofia Papagiannaki | try:
|
343 | 32454501 | Sofia Papagiannaki | # check first for a group permission
|
344 | 4a9e3f32 | Sofia Papagiannaki | account, group = holder.split(':', 1) |
345 | 32454501 | Sofia Papagiannaki | except ValueError: |
346 | 469d0997 | Georgios D. Tsoukalas | return retrieve_uuid(token, holder)
|
347 | 32454501 | Sofia Papagiannaki | else:
|
348 | 469d0997 | Georgios D. Tsoukalas | return ':'.join([retrieve_uuid(token, account), group]) |
349 | 32454501 | Sofia Papagiannaki | |
350 | ad0efdb3 | Ilias Tsitsimpis | |
351 | 27932481 | Sofia Papagiannaki | def replace_permissions_uuid(token, holder): |
352 | 469d0997 | Georgios D. Tsoukalas | if holder == '*': |
353 | 469d0997 | Georgios D. Tsoukalas | return holder
|
354 | 32454501 | Sofia Papagiannaki | try:
|
355 | 32454501 | Sofia Papagiannaki | # check first for a group permission
|
356 | 4a9e3f32 | Sofia Papagiannaki | account, group = holder.split(':', 1) |
357 | 32454501 | Sofia Papagiannaki | except ValueError: |
358 | 469d0997 | Georgios D. Tsoukalas | return retrieve_displayname(token, holder)
|
359 | 32454501 | Sofia Papagiannaki | else:
|
360 | 469d0997 | Georgios D. Tsoukalas | return ':'.join([retrieve_displayname(token, account), group]) |
361 | 32454501 | Sofia Papagiannaki | |
362 | ad0efdb3 | Ilias Tsitsimpis | |
363 | ad0efdb3 | Ilias Tsitsimpis | def update_sharing_meta(request, permissions, v_account, |
364 | ad0efdb3 | Ilias Tsitsimpis | v_container, v_object, meta): |
365 | cca6c617 | Antony Chazapis | if permissions is None: |
366 | cca6c617 | Antony Chazapis | return
|
367 | 067cf1fc | Antony Chazapis | allowed, perm_path, perms = permissions |
368 | cca6c617 | Antony Chazapis | if len(perms) == 0: |
369 | cca6c617 | Antony Chazapis | return
|
370 | 32454501 | Sofia Papagiannaki | |
371 | 27932481 | Sofia Papagiannaki | # replace uuid with displayname
|
372 | 469d0997 | Georgios D. Tsoukalas | if TRANSLATE_UUIDS:
|
373 | 469d0997 | Georgios D. Tsoukalas | perms['read'] = [replace_permissions_uuid(
|
374 | ad0efdb3 | Ilias Tsitsimpis | getattr(request, 'token', None), x) |
375 | ad0efdb3 | Ilias Tsitsimpis | for x in perms.get('read', [])] |
376 | 469d0997 | Georgios D. Tsoukalas | perms['write'] = [replace_permissions_uuid(
|
377 | ad0efdb3 | Ilias Tsitsimpis | getattr(request, 'token', None), x) |
378 | ad0efdb3 | Ilias Tsitsimpis | for x in perms.get('write', [])] |
379 | 32454501 | Sofia Papagiannaki | |
380 | 3436eeb0 | Antony Chazapis | ret = [] |
381 | 32454501 | Sofia Papagiannaki | |
382 | cca6c617 | Antony Chazapis | r = ','.join(perms.get('read', [])) |
383 | 3436eeb0 | Antony Chazapis | if r:
|
384 | 3436eeb0 | Antony Chazapis | ret.append('read=' + r)
|
385 | cca6c617 | Antony Chazapis | w = ','.join(perms.get('write', [])) |
386 | 3436eeb0 | Antony Chazapis | if w:
|
387 | 3436eeb0 | Antony Chazapis | ret.append('write=' + w)
|
388 | cca6c617 | Antony Chazapis | meta['X-Object-Sharing'] = '; '.join(ret) |
389 | cca6c617 | Antony Chazapis | if '/'.join((v_account, v_container, v_object)) != perm_path: |
390 | cca6c617 | Antony Chazapis | meta['X-Object-Shared-By'] = perm_path
|
391 | 61efb530 | Antony Chazapis | if request.user_uniq != v_account:
|
392 | 067cf1fc | Antony Chazapis | meta['X-Object-Allowed-To'] = allowed
|
393 | 3436eeb0 | Antony Chazapis | |
394 | 2715ade4 | Sofia Papagiannaki | |
395 | e0f916bb | Antony Chazapis | def update_public_meta(public, meta): |
396 | e0f916bb | Antony Chazapis | if not public: |
397 | e0f916bb | Antony Chazapis | return
|
398 | a3fcee5b | Sofia Papagiannaki | meta['X-Object-Public'] = join_urls(
|
399 | cc1f91ad | Sofia Papagiannaki | BASE_HOST, reverse('pithos.api.public.public_demux', args=(public,)))
|
400 | e0f916bb | Antony Chazapis | |
401 | 2715ade4 | Sofia Papagiannaki | |
402 | b956618e | Antony Chazapis | def validate_modification_preconditions(request, meta): |
403 | 58a6c894 | Antony Chazapis | """Check that the modified timestamp conforms with the preconditions set."""
|
404 | 2715ade4 | Sofia Papagiannaki | |
405 | 22dab079 | Antony Chazapis | if 'modified' not in meta: |
406 | 2715ade4 | Sofia Papagiannaki | return # TODO: Always return? |
407 | 2715ade4 | Sofia Papagiannaki | |
408 | b956618e | Antony Chazapis | if_modified_since = request.META.get('HTTP_IF_MODIFIED_SINCE')
|
409 | b956618e | Antony Chazapis | if if_modified_since is not None: |
410 | b956618e | Antony Chazapis | if_modified_since = parse_http_date_safe(if_modified_since) |
411 | ad0efdb3 | Ilias Tsitsimpis | if (if_modified_since is not None |
412 | ad0efdb3 | Ilias Tsitsimpis | and int(meta['modified']) <= if_modified_since): |
413 | bd40abfa | Christos Stavrakakis | raise faults.NotModified('Resource has not been modified') |
414 | 2715ade4 | Sofia Papagiannaki | |
415 | b956618e | Antony Chazapis | if_unmodified_since = request.META.get('HTTP_IF_UNMODIFIED_SINCE')
|
416 | b956618e | Antony Chazapis | if if_unmodified_since is not None: |
417 | b956618e | Antony Chazapis | if_unmodified_since = parse_http_date_safe(if_unmodified_since) |
418 | ad0efdb3 | Ilias Tsitsimpis | if (if_unmodified_since is not None |
419 | ad0efdb3 | Ilias Tsitsimpis | and int(meta['modified']) > if_unmodified_since): |
420 | bd40abfa | Christos Stavrakakis | raise faults.PreconditionFailed('Resource has been modified') |
421 | b956618e | Antony Chazapis | |
422 | 2715ade4 | Sofia Papagiannaki | |
423 | 22dab079 | Antony Chazapis | def validate_matching_preconditions(request, meta): |
424 | 58a6c894 | Antony Chazapis | """Check that the ETag conforms with the preconditions set."""
|
425 | 2715ade4 | Sofia Papagiannaki | |
426 | 33b4e4a6 | Antony Chazapis | etag = meta['checksum']
|
427 | 33b4e4a6 | Antony Chazapis | if not etag: |
428 | 33b4e4a6 | Antony Chazapis | etag = None
|
429 | 2715ade4 | Sofia Papagiannaki | |
430 | 22dab079 | Antony Chazapis | if_match = request.META.get('HTTP_IF_MATCH')
|
431 | a8326bef | Antony Chazapis | if if_match is not None: |
432 | 4a1c29ea | Antony Chazapis | if etag is None: |
433 | bd40abfa | Christos Stavrakakis | raise faults.PreconditionFailed('Resource does not exist') |
434 | ad0efdb3 | Ilias Tsitsimpis | if (if_match != '*' |
435 | ad0efdb3 | Ilias Tsitsimpis | and etag not in [x.lower() for x in parse_etags(if_match)]): |
436 | bd40abfa | Christos Stavrakakis | raise faults.PreconditionFailed('Resource ETag does not match') |
437 | 2715ade4 | Sofia Papagiannaki | |
438 | 22dab079 | Antony Chazapis | if_none_match = request.META.get('HTTP_IF_NONE_MATCH')
|
439 | 22dab079 | Antony Chazapis | if if_none_match is not None: |
440 | a8326bef | Antony Chazapis | # TODO: If this passes, must ignore If-Modified-Since header.
|
441 | 4a1c29ea | Antony Chazapis | if etag is not None: |
442 | ad0efdb3 | Ilias Tsitsimpis | if (if_none_match == '*' |
443 | ad0efdb3 | Ilias Tsitsimpis | or etag in [x.lower() for x in parse_etags(if_none_match)]): |
444 | a8326bef | Antony Chazapis | # TODO: Continue if an If-Modified-Since header is present.
|
445 | a8326bef | Antony Chazapis | if request.method in ('HEAD', 'GET'): |
446 | bd40abfa | Christos Stavrakakis | raise faults.NotModified('Resource ETag matches') |
447 | ad0efdb3 | Ilias Tsitsimpis | raise faults.PreconditionFailed(
|
448 | ad0efdb3 | Ilias Tsitsimpis | 'Resource exists or ETag matches')
|
449 | 22dab079 | Antony Chazapis | |
450 | 2715ade4 | Sofia Papagiannaki | |
451 | 83dd59c5 | Antony Chazapis | def split_container_object_string(s): |
452 | 6d817842 | Antony Chazapis | if not len(s) > 0 or s[0] != '/': |
453 | 6d817842 | Antony Chazapis | raise ValueError |
454 | 6d817842 | Antony Chazapis | s = s[1:]
|
455 | 8cb45c13 | Antony Chazapis | pos = s.find('/')
|
456 | 22d7b01e | Antony Chazapis | if pos == -1 or pos == len(s) - 1: |
457 | 83dd59c5 | Antony Chazapis | raise ValueError |
458 | 8cb45c13 | Antony Chazapis | return s[:pos], s[(pos + 1):] |
459 | 83dd59c5 | Antony Chazapis | |
460 | 2715ade4 | Sofia Papagiannaki | |
461 | ad0efdb3 | Ilias Tsitsimpis | def copy_or_move_object(request, src_account, src_container, src_name, |
462 | ad0efdb3 | Ilias Tsitsimpis | dest_account, dest_container, dest_name, |
463 | ad0efdb3 | Ilias Tsitsimpis | move=False, delimiter=None): |
464 | 58a6c894 | Antony Chazapis | """Copy or move an object."""
|
465 | 2715ade4 | Sofia Papagiannaki | |
466 | 53cff70c | Antony Chazapis | if 'ignore_content_type' in request.GET and 'CONTENT_TYPE' in request.META: |
467 | 53cff70c | Antony Chazapis | del(request.META['CONTENT_TYPE']) |
468 | 66ce2ca5 | Antony Chazapis | content_type, meta, permissions, public = get_object_headers(request) |
469 | 79bb41b7 | Antony Chazapis | src_version = request.META.get('HTTP_X_SOURCE_VERSION')
|
470 | b956618e | Antony Chazapis | try:
|
471 | b956618e | Antony Chazapis | if move:
|
472 | 2715ade4 | Sofia Papagiannaki | version_id = request.backend.move_object( |
473 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, src_account, src_container, src_name, |
474 | 2715ade4 | Sofia Papagiannaki | dest_account, dest_container, dest_name, |
475 | 2715ade4 | Sofia Papagiannaki | content_type, 'pithos', meta, False, permissions, delimiter) |
476 | b956618e | Antony Chazapis | else:
|
477 | 2715ade4 | Sofia Papagiannaki | version_id = request.backend.copy_object( |
478 | 2715ade4 | Sofia Papagiannaki | request.user_uniq, src_account, src_container, src_name, |
479 | 2715ade4 | Sofia Papagiannaki | dest_account, dest_container, dest_name, |
480 | ad0efdb3 | Ilias Tsitsimpis | content_type, 'pithos', meta, False, permissions, |
481 | ad0efdb3 | Ilias Tsitsimpis | src_version, delimiter) |
482 | cca6c617 | Antony Chazapis | except NotAllowedError:
|
483 | bd40abfa | Christos Stavrakakis | raise faults.Forbidden('Not allowed') |
484 | 7efc9f86 | Sofia Papagiannaki | except (ItemNotExists, VersionNotExists):
|
485 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Container or object does not exist') |
486 | 3436eeb0 | Antony Chazapis | except ValueError: |
487 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Invalid sharing header') |
488 | dfa2d4ba | Sofia Papagiannaki | except QuotaError, e:
|
489 | bd40abfa | Christos Stavrakakis | raise faults.RequestEntityTooLarge('Quota error: %s' % e) |
490 | e0f916bb | Antony Chazapis | if public is not None: |
491 | e0f916bb | Antony Chazapis | try:
|
492 | ad0efdb3 | Ilias Tsitsimpis | request.backend.update_object_public( |
493 | ad0efdb3 | Ilias Tsitsimpis | request.user_uniq, dest_account, |
494 | ad0efdb3 | Ilias Tsitsimpis | dest_container, dest_name, public) |
495 | e0f916bb | Antony Chazapis | except NotAllowedError:
|
496 | bd40abfa | Christos Stavrakakis | raise faults.Forbidden('Not allowed') |
497 | 7efc9f86 | Sofia Papagiannaki | except ItemNotExists:
|
498 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Object does not exist') |
499 | 7dd293a0 | Antony Chazapis | return version_id
|
500 | b956618e | Antony Chazapis | |
501 | 2715ade4 | Sofia Papagiannaki | |
502 | 1495b972 | Antony Chazapis | def get_int_parameter(p): |
503 | 83dd59c5 | Antony Chazapis | if p is not None: |
504 | 58a6c894 | Antony Chazapis | try:
|
505 | 83dd59c5 | Antony Chazapis | p = int(p)
|
506 | 58a6c894 | Antony Chazapis | except ValueError: |
507 | 58a6c894 | Antony Chazapis | return None |
508 | 83dd59c5 | Antony Chazapis | if p < 0: |
509 | 58a6c894 | Antony Chazapis | return None |
510 | 83dd59c5 | Antony Chazapis | return p
|
511 | 58a6c894 | Antony Chazapis | |
512 | 2715ade4 | Sofia Papagiannaki | |
513 | 22dab079 | Antony Chazapis | def get_content_length(request): |
514 | 1495b972 | Antony Chazapis | content_length = get_int_parameter(request.META.get('CONTENT_LENGTH'))
|
515 | 1495b972 | Antony Chazapis | if content_length is None: |
516 | bd40abfa | Christos Stavrakakis | raise faults.LengthRequired('Missing or invalid Content-Length header') |
517 | 22dab079 | Antony Chazapis | return content_length
|
518 | 22dab079 | Antony Chazapis | |
519 | 2715ade4 | Sofia Papagiannaki | |
520 | 22dab079 | Antony Chazapis | def get_range(request, size): |
521 | 58a6c894 | Antony Chazapis | """Parse a Range header from the request.
|
522 | 2715ade4 | Sofia Papagiannaki |
|
523 | 22dab079 | Antony Chazapis | Either returns None, when the header is not existent or should be ignored,
|
524 | 22dab079 | Antony Chazapis | or a list of (offset, length) tuples - should be further checked.
|
525 | b956618e | Antony Chazapis | """
|
526 | 2715ade4 | Sofia Papagiannaki | |
527 | 22dab079 | Antony Chazapis | ranges = request.META.get('HTTP_RANGE', '').replace(' ', '') |
528 | 22dab079 | Antony Chazapis | if not ranges.startswith('bytes='): |
529 | b956618e | Antony Chazapis | return None |
530 | 2715ade4 | Sofia Papagiannaki | |
531 | 22dab079 | Antony Chazapis | ret = [] |
532 | 22dab079 | Antony Chazapis | for r in (x.strip() for x in ranges[6:].split(',')): |
533 | 22dab079 | Antony Chazapis | p = re.compile('^(?P<offset>\d*)-(?P<upto>\d*)$')
|
534 | 22dab079 | Antony Chazapis | m = p.match(r) |
535 | 22dab079 | Antony Chazapis | if not m: |
536 | 22dab079 | Antony Chazapis | return None |
537 | 22dab079 | Antony Chazapis | offset = m.group('offset')
|
538 | 22dab079 | Antony Chazapis | upto = m.group('upto')
|
539 | 22dab079 | Antony Chazapis | if offset == '' and upto == '': |
540 | b956618e | Antony Chazapis | return None |
541 | 2715ade4 | Sofia Papagiannaki | |
542 | 22dab079 | Antony Chazapis | if offset != '': |
543 | 22dab079 | Antony Chazapis | offset = int(offset)
|
544 | 22dab079 | Antony Chazapis | if upto != '': |
545 | b956618e | Antony Chazapis | upto = int(upto)
|
546 | 22dab079 | Antony Chazapis | if offset > upto:
|
547 | 22dab079 | Antony Chazapis | return None |
548 | 22dab079 | Antony Chazapis | ret.append((offset, upto - offset + 1))
|
549 | 22dab079 | Antony Chazapis | else:
|
550 | 22dab079 | Antony Chazapis | ret.append((offset, size - offset)) |
551 | b956618e | Antony Chazapis | else:
|
552 | 22dab079 | Antony Chazapis | length = int(upto)
|
553 | 22dab079 | Antony Chazapis | ret.append((size - length, length)) |
554 | 2715ade4 | Sofia Papagiannaki | |
555 | 22dab079 | Antony Chazapis | return ret
|
556 | 22dab079 | Antony Chazapis | |
557 | 2715ade4 | Sofia Papagiannaki | |
558 | 22dab079 | Antony Chazapis | def get_content_range(request): |
559 | 58a6c894 | Antony Chazapis | """Parse a Content-Range header from the request.
|
560 | 2715ade4 | Sofia Papagiannaki |
|
561 | 22dab079 | Antony Chazapis | Either returns None, when the header is not existent or should be ignored,
|
562 | 22dab079 | Antony Chazapis | or an (offset, length, total) tuple - check as length, total may be None.
|
563 | 22dab079 | Antony Chazapis | Returns (None, None, None) if the provided range is '*/*'.
|
564 | 22dab079 | Antony Chazapis | """
|
565 | 2715ade4 | Sofia Papagiannaki | |
566 | 22dab079 | Antony Chazapis | ranges = request.META.get('HTTP_CONTENT_RANGE', '') |
567 | 22dab079 | Antony Chazapis | if not ranges: |
568 | 22dab079 | Antony Chazapis | return None |
569 | 2715ade4 | Sofia Papagiannaki | |
570 | 22dab079 | Antony Chazapis | p = re.compile('^bytes (?P<offset>\d+)-(?P<upto>\d*)/(?P<total>(\d+|\*))$')
|
571 | 22dab079 | Antony Chazapis | m = p.match(ranges) |
572 | 22dab079 | Antony Chazapis | if not m: |
573 | 22dab079 | Antony Chazapis | if ranges == 'bytes */*': |
574 | 22dab079 | Antony Chazapis | return (None, None, None) |
575 | 22dab079 | Antony Chazapis | return None |
576 | 22dab079 | Antony Chazapis | offset = int(m.group('offset')) |
577 | 22dab079 | Antony Chazapis | upto = m.group('upto')
|
578 | 22dab079 | Antony Chazapis | total = m.group('total')
|
579 | 22dab079 | Antony Chazapis | if upto != '': |
580 | 22dab079 | Antony Chazapis | upto = int(upto)
|
581 | b956618e | Antony Chazapis | else:
|
582 | 22dab079 | Antony Chazapis | upto = None
|
583 | 22dab079 | Antony Chazapis | if total != '*': |
584 | 22dab079 | Antony Chazapis | total = int(total)
|
585 | 22dab079 | Antony Chazapis | else:
|
586 | 22dab079 | Antony Chazapis | total = None
|
587 | 70e526a0 | Antony Chazapis | if (upto is not None and offset > upto) or \ |
588 | 70e526a0 | Antony Chazapis | (total is not None and offset >= total) or \ |
589 | 2715ade4 | Sofia Papagiannaki | (total is not None and upto is not None and upto >= total): |
590 | 22dab079 | Antony Chazapis | return None |
591 | 2715ade4 | Sofia Papagiannaki | |
592 | 70e526a0 | Antony Chazapis | if upto is None: |
593 | 22dab079 | Antony Chazapis | length = None
|
594 | 22dab079 | Antony Chazapis | else:
|
595 | 22dab079 | Antony Chazapis | length = upto - offset + 1
|
596 | 22dab079 | Antony Chazapis | return (offset, length, total)
|
597 | b956618e | Antony Chazapis | |
598 | 2715ade4 | Sofia Papagiannaki | |
599 | 3436eeb0 | Antony Chazapis | def get_sharing(request): |
600 | 3436eeb0 | Antony Chazapis | """Parse an X-Object-Sharing header from the request.
|
601 | 2715ade4 | Sofia Papagiannaki |
|
602 | 3436eeb0 | Antony Chazapis | Raises BadRequest on error.
|
603 | 3436eeb0 | Antony Chazapis | """
|
604 | 2715ade4 | Sofia Papagiannaki | |
605 | 3436eeb0 | Antony Chazapis | permissions = request.META.get('HTTP_X_OBJECT_SHARING')
|
606 | cca6c617 | Antony Chazapis | if permissions is None: |
607 | 3436eeb0 | Antony Chazapis | return None |
608 | 2715ade4 | Sofia Papagiannaki | |
609 | 0a7f1671 | Antony Chazapis | # TODO: Document or remove '~' replacing.
|
610 | 0a7f1671 | Antony Chazapis | permissions = permissions.replace('~', '') |
611 | 2715ade4 | Sofia Papagiannaki | |
612 | 3436eeb0 | Antony Chazapis | ret = {} |
613 | cca6c617 | Antony Chazapis | permissions = permissions.replace(' ', '') |
614 | cca6c617 | Antony Chazapis | if permissions == '': |
615 | cca6c617 | Antony Chazapis | return ret
|
616 | cca6c617 | Antony Chazapis | for perm in (x for x in permissions.split(';')): |
617 | cca6c617 | Antony Chazapis | if perm.startswith('read='): |
618 | 2715ade4 | Sofia Papagiannaki | ret['read'] = list(set( |
619 | 2715ade4 | Sofia Papagiannaki | [v.replace(' ', '').lower() for v in perm[5:].split(',')])) |
620 | 02c0c3fa | Antony Chazapis | if '' in ret['read']: |
621 | 02c0c3fa | Antony Chazapis | ret['read'].remove('') |
622 | e8886082 | Antony Chazapis | if '*' in ret['read']: |
623 | e8886082 | Antony Chazapis | ret['read'] = ['*'] |
624 | 3436eeb0 | Antony Chazapis | if len(ret['read']) == 0: |
625 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest(
|
626 | 32454501 | Sofia Papagiannaki | 'Bad X-Object-Sharing header value: invalid length')
|
627 | 3436eeb0 | Antony Chazapis | elif perm.startswith('write='): |
628 | 2715ade4 | Sofia Papagiannaki | ret['write'] = list(set( |
629 | 2715ade4 | Sofia Papagiannaki | [v.replace(' ', '').lower() for v in perm[6:].split(',')])) |
630 | 02c0c3fa | Antony Chazapis | if '' in ret['write']: |
631 | 02c0c3fa | Antony Chazapis | ret['write'].remove('') |
632 | e8886082 | Antony Chazapis | if '*' in ret['write']: |
633 | e8886082 | Antony Chazapis | ret['write'] = ['*'] |
634 | 3436eeb0 | Antony Chazapis | if len(ret['write']) == 0: |
635 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest(
|
636 | 32454501 | Sofia Papagiannaki | 'Bad X-Object-Sharing header value: invalid length')
|
637 | 3436eeb0 | Antony Chazapis | else:
|
638 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest(
|
639 | 32454501 | Sofia Papagiannaki | 'Bad X-Object-Sharing header value: missing prefix')
|
640 | 32454501 | Sofia Papagiannaki | |
641 | 890c2065 | Sofia Papagiannaki | # replace displayname with uuid
|
642 | 469d0997 | Georgios D. Tsoukalas | if TRANSLATE_UUIDS:
|
643 | 469d0997 | Georgios D. Tsoukalas | try:
|
644 | 469d0997 | Georgios D. Tsoukalas | ret['read'] = [replace_permissions_displayname(
|
645 | ad0efdb3 | Ilias Tsitsimpis | getattr(request, 'token', None), x) |
646 | ad0efdb3 | Ilias Tsitsimpis | for x in ret.get('read', [])] |
647 | 469d0997 | Georgios D. Tsoukalas | ret['write'] = [replace_permissions_displayname(
|
648 | ad0efdb3 | Ilias Tsitsimpis | getattr(request, 'token', None), x) |
649 | ad0efdb3 | Ilias Tsitsimpis | for x in ret.get('write', [])] |
650 | 469d0997 | Georgios D. Tsoukalas | except ItemNotExists, e:
|
651 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest(
|
652 | 469d0997 | Georgios D. Tsoukalas | 'Bad X-Object-Sharing header value: unknown account: %s' % e)
|
653 | 2715ade4 | Sofia Papagiannaki | |
654 | 21a8a6ff | Antony Chazapis | # Keep duplicates only in write list.
|
655 | 2715ade4 | Sofia Papagiannaki | dups = [x for x in ret.get( |
656 | 2715ade4 | Sofia Papagiannaki | 'read', []) if x in ret.get('write', []) and x != '*'] |
657 | 21a8a6ff | Antony Chazapis | if dups:
|
658 | 21a8a6ff | Antony Chazapis | for x in dups: |
659 | 21a8a6ff | Antony Chazapis | ret['read'].remove(x)
|
660 | 21a8a6ff | Antony Chazapis | if len(ret['read']) == 0: |
661 | 21a8a6ff | Antony Chazapis | del(ret['read']) |
662 | 2715ade4 | Sofia Papagiannaki | |
663 | 3436eeb0 | Antony Chazapis | return ret
|
664 | 3436eeb0 | Antony Chazapis | |
665 | 2715ade4 | Sofia Papagiannaki | |
666 | 3ab38c43 | Antony Chazapis | def get_public(request): |
667 | 3ab38c43 | Antony Chazapis | """Parse an X-Object-Public header from the request.
|
668 | 2715ade4 | Sofia Papagiannaki |
|
669 | 3ab38c43 | Antony Chazapis | Raises BadRequest on error.
|
670 | 3ab38c43 | Antony Chazapis | """
|
671 | 2715ade4 | Sofia Papagiannaki | |
672 | 3ab38c43 | Antony Chazapis | public = request.META.get('HTTP_X_OBJECT_PUBLIC')
|
673 | 3ab38c43 | Antony Chazapis | if public is None: |
674 | 3ab38c43 | Antony Chazapis | return None |
675 | 2715ade4 | Sofia Papagiannaki | |
676 | 3ab38c43 | Antony Chazapis | public = public.replace(' ', '').lower() |
677 | 3ab38c43 | Antony Chazapis | if public == 'true': |
678 | 3ab38c43 | Antony Chazapis | return True |
679 | 3ab38c43 | Antony Chazapis | elif public == 'false' or public == '': |
680 | 3ab38c43 | Antony Chazapis | return False |
681 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Bad X-Object-Public header value') |
682 | 3ab38c43 | Antony Chazapis | |
683 | 2715ade4 | Sofia Papagiannaki | |
684 | b956618e | Antony Chazapis | def raw_input_socket(request): |
685 | 58a6c894 | Antony Chazapis | """Return the socket for reading the rest of the request."""
|
686 | 2715ade4 | Sofia Papagiannaki | |
687 | b956618e | Antony Chazapis | server_software = request.META.get('SERVER_SOFTWARE')
|
688 | fc1b2a75 | Antony Chazapis | if server_software and server_software.startswith('mod_python'): |
689 | b956618e | Antony Chazapis | return request._req
|
690 | fc1b2a75 | Antony Chazapis | if 'wsgi.input' in request.environ: |
691 | fc1b2a75 | Antony Chazapis | return request.environ['wsgi.input'] |
692 | 08de868d | Antony Chazapis | raise NotImplemented('Unknown server software') |
693 | b956618e | Antony Chazapis | |
694 | 2715ade4 | Sofia Papagiannaki | MAX_UPLOAD_SIZE = 5 * (1024 * 1024 * 1024) # 5GB |
695 | 2715ade4 | Sofia Papagiannaki | |
696 | b956618e | Antony Chazapis | |
697 | c032f34d | Antony Chazapis | def socket_read_iterator(request, length=0, blocksize=4096): |
698 | ad0efdb3 | Ilias Tsitsimpis | """Return a maximum of blocksize data read from the socket in each iteration
|
699 | 2715ade4 | Sofia Papagiannaki |
|
700 | 22dab079 | Antony Chazapis | Read up to 'length'. If 'length' is negative, will attempt a chunked read.
|
701 | b956618e | Antony Chazapis | The maximum ammount of data read is controlled by MAX_UPLOAD_SIZE.
|
702 | b956618e | Antony Chazapis | """
|
703 | 2715ade4 | Sofia Papagiannaki | |
704 | c032f34d | Antony Chazapis | sock = raw_input_socket(request) |
705 | 2715ade4 | Sofia Papagiannaki | if length < 0: # Chunked transfers |
706 | c032f34d | Antony Chazapis | # Small version (server does the dechunking).
|
707 | ad0efdb3 | Ilias Tsitsimpis | if (request.environ.get('mod_wsgi.input_chunked', None) |
708 | ad0efdb3 | Ilias Tsitsimpis | or request.META['SERVER_SOFTWARE'].startswith('gunicorn')): |
709 | c032f34d | Antony Chazapis | while length < MAX_UPLOAD_SIZE:
|
710 | c032f34d | Antony Chazapis | data = sock.read(blocksize) |
711 | c032f34d | Antony Chazapis | if data == '': |
712 | c032f34d | Antony Chazapis | return
|
713 | c032f34d | Antony Chazapis | yield data
|
714 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Maximum size is reached') |
715 | 2715ade4 | Sofia Papagiannaki | |
716 | c032f34d | Antony Chazapis | # Long version (do the dechunking).
|
717 | 22dab079 | Antony Chazapis | data = ''
|
718 | b956618e | Antony Chazapis | while length < MAX_UPLOAD_SIZE:
|
719 | 22dab079 | Antony Chazapis | # Get chunk size.
|
720 | 22dab079 | Antony Chazapis | if hasattr(sock, 'readline'): |
721 | 22dab079 | Antony Chazapis | chunk_length = sock.readline() |
722 | 22dab079 | Antony Chazapis | else:
|
723 | 22dab079 | Antony Chazapis | chunk_length = ''
|
724 | 22dab079 | Antony Chazapis | while chunk_length[-1:] != '\n': |
725 | 22dab079 | Antony Chazapis | chunk_length += sock.read(1)
|
726 | 22dab079 | Antony Chazapis | chunk_length.strip() |
727 | b956618e | Antony Chazapis | pos = chunk_length.find(';')
|
728 | b956618e | Antony Chazapis | if pos >= 0: |
729 | b956618e | Antony Chazapis | chunk_length = chunk_length[:pos] |
730 | b956618e | Antony Chazapis | try:
|
731 | b956618e | Antony Chazapis | chunk_length = int(chunk_length, 16) |
732 | bd40abfa | Christos Stavrakakis | except Exception: |
733 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Bad chunk size') |
734 | 2715ade4 | Sofia Papagiannaki | # TODO: Change to something more appropriate.
|
735 | 22dab079 | Antony Chazapis | # Check if done.
|
736 | b956618e | Antony Chazapis | if chunk_length == 0: |
737 | 22dab079 | Antony Chazapis | if len(data) > 0: |
738 | 22dab079 | Antony Chazapis | yield data
|
739 | b956618e | Antony Chazapis | return
|
740 | 22dab079 | Antony Chazapis | # Get the actual data.
|
741 | b956618e | Antony Chazapis | while chunk_length > 0: |
742 | 22dab079 | Antony Chazapis | chunk = sock.read(min(chunk_length, blocksize))
|
743 | 22dab079 | Antony Chazapis | chunk_length -= len(chunk)
|
744 | 623a0cf4 | Sofia Papagiannaki | if length > 0: |
745 | 623a0cf4 | Sofia Papagiannaki | length += len(chunk)
|
746 | 22dab079 | Antony Chazapis | data += chunk |
747 | 22dab079 | Antony Chazapis | if len(data) >= blocksize: |
748 | 22dab079 | Antony Chazapis | ret = data[:blocksize] |
749 | 22dab079 | Antony Chazapis | data = data[blocksize:] |
750 | 22dab079 | Antony Chazapis | yield ret
|
751 | 2715ade4 | Sofia Papagiannaki | sock.read(2) # CRLF |
752 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Maximum size is reached') |
753 | b956618e | Antony Chazapis | else:
|
754 | b956618e | Antony Chazapis | if length > MAX_UPLOAD_SIZE:
|
755 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Maximum size is reached') |
756 | b956618e | Antony Chazapis | while length > 0: |
757 | b956618e | Antony Chazapis | data = sock.read(min(length, blocksize))
|
758 | 7b25e082 | Antony Chazapis | if not data: |
759 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest()
|
760 | b956618e | Antony Chazapis | length -= len(data)
|
761 | b956618e | Antony Chazapis | yield data
|
762 | b956618e | Antony Chazapis | |
763 | 2715ade4 | Sofia Papagiannaki | |
764 | 817890f2 | Antony Chazapis | class SaveToBackendHandler(FileUploadHandler): |
765 | 817890f2 | Antony Chazapis | """Handle a file from an HTML form the django way."""
|
766 | 2715ade4 | Sofia Papagiannaki | |
767 | 817890f2 | Antony Chazapis | def __init__(self, request=None): |
768 | 817890f2 | Antony Chazapis | super(SaveToBackendHandler, self).__init__(request) |
769 | 817890f2 | Antony Chazapis | self.backend = request.backend
|
770 | 2715ade4 | Sofia Papagiannaki | |
771 | 817890f2 | Antony Chazapis | def put_data(self, length): |
772 | 817890f2 | Antony Chazapis | if len(self.data) >= length: |
773 | 817890f2 | Antony Chazapis | block = self.data[:length]
|
774 | 817890f2 | Antony Chazapis | self.file.hashmap.append(self.backend.put_block(block)) |
775 | 817890f2 | Antony Chazapis | self.md5.update(block)
|
776 | 817890f2 | Antony Chazapis | self.data = self.data[length:] |
777 | 2715ade4 | Sofia Papagiannaki | |
778 | ad0efdb3 | Ilias Tsitsimpis | def new_file(self, field_name, file_name, content_type, |
779 | ad0efdb3 | Ilias Tsitsimpis | content_length, charset=None):
|
780 | 2715ade4 | Sofia Papagiannaki | self.md5 = hashlib.md5()
|
781 | 817890f2 | Antony Chazapis | self.data = '' |
782 | 2715ade4 | Sofia Papagiannaki | self.file = UploadedFile(
|
783 | 2715ade4 | Sofia Papagiannaki | name=file_name, content_type=content_type, charset=charset) |
784 | 817890f2 | Antony Chazapis | self.file.size = 0 |
785 | 817890f2 | Antony Chazapis | self.file.hashmap = []
|
786 | 2715ade4 | Sofia Papagiannaki | |
787 | 817890f2 | Antony Chazapis | def receive_data_chunk(self, raw_data, start): |
788 | 817890f2 | Antony Chazapis | self.data += raw_data
|
789 | 817890f2 | Antony Chazapis | self.file.size += len(raw_data) |
790 | 817890f2 | Antony Chazapis | self.put_data(self.request.backend.block_size) |
791 | 817890f2 | Antony Chazapis | return None |
792 | 2715ade4 | Sofia Papagiannaki | |
793 | 817890f2 | Antony Chazapis | def file_complete(self, file_size): |
794 | 817890f2 | Antony Chazapis | l = len(self.data) |
795 | 817890f2 | Antony Chazapis | if l > 0: |
796 | 817890f2 | Antony Chazapis | self.put_data(l)
|
797 | 817890f2 | Antony Chazapis | self.file.etag = self.md5.hexdigest().lower() |
798 | 817890f2 | Antony Chazapis | return self.file |
799 | 817890f2 | Antony Chazapis | |
800 | 2715ade4 | Sofia Papagiannaki | |
801 | 22dab079 | Antony Chazapis | class ObjectWrapper(object): |
802 | 58a6c894 | Antony Chazapis | """Return the object's data block-per-block in each iteration.
|
803 | 2715ade4 | Sofia Papagiannaki |
|
804 | ad0efdb3 | Ilias Tsitsimpis | Read from the object using the offset and length provided
|
805 | ad0efdb3 | Ilias Tsitsimpis | in each entry of the range list.
|
806 | 22dab079 | Antony Chazapis | """
|
807 | 2715ade4 | Sofia Papagiannaki | |
808 | 39593b2b | Giorgos Verigakis | def __init__(self, backend, ranges, sizes, hashmaps, boundary): |
809 | 39593b2b | Giorgos Verigakis | self.backend = backend
|
810 | 22dab079 | Antony Chazapis | self.ranges = ranges
|
811 | 8cb45c13 | Antony Chazapis | self.sizes = sizes
|
812 | 8cb45c13 | Antony Chazapis | self.hashmaps = hashmaps
|
813 | 22dab079 | Antony Chazapis | self.boundary = boundary
|
814 | 8cb45c13 | Antony Chazapis | self.size = sum(self.sizes) |
815 | 2715ade4 | Sofia Papagiannaki | |
816 | 8cb45c13 | Antony Chazapis | self.file_index = 0 |
817 | 8cb45c13 | Antony Chazapis | self.block_index = 0 |
818 | 8cb45c13 | Antony Chazapis | self.block_hash = -1 |
819 | 22dab079 | Antony Chazapis | self.block = '' |
820 | 2715ade4 | Sofia Papagiannaki | |
821 | 22dab079 | Antony Chazapis | self.range_index = -1 |
822 | 22dab079 | Antony Chazapis | self.offset, self.length = self.ranges[0] |
823 | 2715ade4 | Sofia Papagiannaki | |
824 | 22dab079 | Antony Chazapis | def __iter__(self): |
825 | 22dab079 | Antony Chazapis | return self |
826 | 2715ade4 | Sofia Papagiannaki | |
827 | 22dab079 | Antony Chazapis | def part_iterator(self): |
828 | 22dab079 | Antony Chazapis | if self.length > 0: |
829 | 8cb45c13 | Antony Chazapis | # Get the file for the current offset.
|
830 | 8cb45c13 | Antony Chazapis | file_size = self.sizes[self.file_index] |
831 | 8cb45c13 | Antony Chazapis | while self.offset >= file_size: |
832 | 8cb45c13 | Antony Chazapis | self.offset -= file_size
|
833 | 8cb45c13 | Antony Chazapis | self.file_index += 1 |
834 | 8cb45c13 | Antony Chazapis | file_size = self.sizes[self.file_index] |
835 | 2715ade4 | Sofia Papagiannaki | |
836 | 8cb45c13 | Antony Chazapis | # Get the block for the current position.
|
837 | 39593b2b | Giorgos Verigakis | self.block_index = int(self.offset / self.backend.block_size) |
838 | ad0efdb3 | Ilias Tsitsimpis | if self.block_hash != \ |
839 | ad0efdb3 | Ilias Tsitsimpis | self.hashmaps[self.file_index][self.block_index]: |
840 | 2715ade4 | Sofia Papagiannaki | self.block_hash = self.hashmaps[ |
841 | 2715ade4 | Sofia Papagiannaki | self.file_index][self.block_index] |
842 | 22dab079 | Antony Chazapis | try:
|
843 | 39593b2b | Giorgos Verigakis | self.block = self.backend.get_block(self.block_hash) |
844 | 7efc9f86 | Sofia Papagiannaki | except ItemNotExists:
|
845 | bd40abfa | Christos Stavrakakis | raise faults.ItemNotFound('Block does not exist') |
846 | 2715ade4 | Sofia Papagiannaki | |
847 | 22dab079 | Antony Chazapis | # Get the data from the block.
|
848 | 39593b2b | Giorgos Verigakis | bo = self.offset % self.backend.block_size |
849 | c9865fe1 | Antony Chazapis | bs = self.backend.block_size
|
850 | 45cf0bc8 | Antony Chazapis | if (self.block_index == len(self.hashmaps[self.file_index]) - 1 and |
851 | 2715ade4 | Sofia Papagiannaki | self.sizes[self.file_index] % self.backend.block_size): |
852 | c9865fe1 | Antony Chazapis | bs = self.sizes[self.file_index] % self.backend.block_size |
853 | c9865fe1 | Antony Chazapis | bl = min(self.length, bs - bo) |
854 | 22dab079 | Antony Chazapis | data = self.block[bo:bo + bl]
|
855 | 22dab079 | Antony Chazapis | self.offset += bl
|
856 | 22dab079 | Antony Chazapis | self.length -= bl
|
857 | 22dab079 | Antony Chazapis | return data
|
858 | 22dab079 | Antony Chazapis | else:
|
859 | 22dab079 | Antony Chazapis | raise StopIteration |
860 | 2715ade4 | Sofia Papagiannaki | |
861 | 22dab079 | Antony Chazapis | def next(self): |
862 | 22dab079 | Antony Chazapis | if len(self.ranges) == 1: |
863 | 22dab079 | Antony Chazapis | return self.part_iterator() |
864 | 22dab079 | Antony Chazapis | if self.range_index == len(self.ranges): |
865 | 22dab079 | Antony Chazapis | raise StopIteration |
866 | 22dab079 | Antony Chazapis | try:
|
867 | 22dab079 | Antony Chazapis | if self.range_index == -1: |
868 | 22dab079 | Antony Chazapis | raise StopIteration |
869 | 22dab079 | Antony Chazapis | return self.part_iterator() |
870 | 22dab079 | Antony Chazapis | except StopIteration: |
871 | 22dab079 | Antony Chazapis | self.range_index += 1 |
872 | 22dab079 | Antony Chazapis | out = [] |
873 | 22dab079 | Antony Chazapis | if self.range_index < len(self.ranges): |
874 | 22dab079 | Antony Chazapis | # Part header.
|
875 | 22dab079 | Antony Chazapis | self.offset, self.length = self.ranges[self.range_index] |
876 | 8cb45c13 | Antony Chazapis | self.file_index = 0 |
877 | 22dab079 | Antony Chazapis | if self.range_index > 0: |
878 | 22dab079 | Antony Chazapis | out.append('')
|
879 | 22dab079 | Antony Chazapis | out.append('--' + self.boundary) |
880 | 2715ade4 | Sofia Papagiannaki | out.append('Content-Range: bytes %d-%d/%d' % (
|
881 | 2715ade4 | Sofia Papagiannaki | self.offset, self.offset + self.length - 1, self.size)) |
882 | 22dab079 | Antony Chazapis | out.append('Content-Transfer-Encoding: binary')
|
883 | 22dab079 | Antony Chazapis | out.append('')
|
884 | 22dab079 | Antony Chazapis | out.append('')
|
885 | 22dab079 | Antony Chazapis | return '\r\n'.join(out) |
886 | 22dab079 | Antony Chazapis | else:
|
887 | 22dab079 | Antony Chazapis | # Footer.
|
888 | 22dab079 | Antony Chazapis | out.append('')
|
889 | 22dab079 | Antony Chazapis | out.append('--' + self.boundary + '--') |
890 | 22dab079 | Antony Chazapis | out.append('')
|
891 | 22dab079 | Antony Chazapis | return '\r\n'.join(out) |
892 | 22dab079 | Antony Chazapis | |
893 | 2715ade4 | Sofia Papagiannaki | |
894 | 8cb45c13 | Antony Chazapis | def object_data_response(request, sizes, hashmaps, meta, public=False): |
895 | 7bef5750 | Antony Chazapis | """Get the HttpResponse object for replying with the object's data."""
|
896 | 2715ade4 | Sofia Papagiannaki | |
897 | 7bef5750 | Antony Chazapis | # Range handling.
|
898 | 8cb45c13 | Antony Chazapis | size = sum(sizes)
|
899 | 7bef5750 | Antony Chazapis | ranges = get_range(request, size) |
900 | 7bef5750 | Antony Chazapis | if ranges is None: |
901 | 7bef5750 | Antony Chazapis | ranges = [(0, size)]
|
902 | 7bef5750 | Antony Chazapis | ret = 200
|
903 | 7bef5750 | Antony Chazapis | else:
|
904 | 7bef5750 | Antony Chazapis | check = [True for offset, length in ranges if |
905 | 2715ade4 | Sofia Papagiannaki | length <= 0 or length > size or |
906 | 2715ade4 | Sofia Papagiannaki | offset < 0 or offset >= size or |
907 | 2715ade4 | Sofia Papagiannaki | offset + length > size] |
908 | 7bef5750 | Antony Chazapis | if len(check) > 0: |
909 | ad0efdb3 | Ilias Tsitsimpis | raise faults.RangeNotSatisfiable(
|
910 | ad0efdb3 | Ilias Tsitsimpis | 'Requested range exceeds object limits')
|
911 | 7bef5750 | Antony Chazapis | ret = 206
|
912 | 15d465b8 | Antony Chazapis | if_range = request.META.get('HTTP_IF_RANGE')
|
913 | 15d465b8 | Antony Chazapis | if if_range:
|
914 | 6d1e6dce | Sofia Papagiannaki | try:
|
915 | 15d465b8 | Antony Chazapis | # Modification time has passed instead.
|
916 | 6d1e6dce | Sofia Papagiannaki | last_modified = parse_http_date(if_range) |
917 | 6d1e6dce | Sofia Papagiannaki | if last_modified != meta['modified']: |
918 | 6d1e6dce | Sofia Papagiannaki | ranges = [(0, size)]
|
919 | 6d1e6dce | Sofia Papagiannaki | ret = 200
|
920 | 6d1e6dce | Sofia Papagiannaki | except ValueError: |
921 | 33b4e4a6 | Antony Chazapis | if if_range != meta['checksum']: |
922 | 6d1e6dce | Sofia Papagiannaki | ranges = [(0, size)]
|
923 | 6d1e6dce | Sofia Papagiannaki | ret = 200
|
924 | 2715ade4 | Sofia Papagiannaki | |
925 | 7bef5750 | Antony Chazapis | if ret == 206 and len(ranges) > 1: |
926 | 7bef5750 | Antony Chazapis | boundary = uuid.uuid4().hex |
927 | 7bef5750 | Antony Chazapis | else:
|
928 | 7bef5750 | Antony Chazapis | boundary = ''
|
929 | 39593b2b | Giorgos Verigakis | wrapper = ObjectWrapper(request.backend, ranges, sizes, hashmaps, boundary) |
930 | 7bef5750 | Antony Chazapis | response = HttpResponse(wrapper, status=ret) |
931 | 469d0997 | Georgios D. Tsoukalas | put_object_headers( |
932 | ad0efdb3 | Ilias Tsitsimpis | response, meta, restricted=public, |
933 | ad0efdb3 | Ilias Tsitsimpis | token=getattr(request, 'token', None)) |
934 | 7bef5750 | Antony Chazapis | if ret == 206: |
935 | 7bef5750 | Antony Chazapis | if len(ranges) == 1: |
936 | 7bef5750 | Antony Chazapis | offset, length = ranges[0]
|
937 | 2715ade4 | Sofia Papagiannaki | response[ |
938 | 2715ade4 | Sofia Papagiannaki | 'Content-Length'] = length # Update with the correct length. |
939 | 2715ade4 | Sofia Papagiannaki | response['Content-Range'] = 'bytes %d-%d/%d' % ( |
940 | 2715ade4 | Sofia Papagiannaki | offset, offset + length - 1, size)
|
941 | 7bef5750 | Antony Chazapis | else:
|
942 | 7bef5750 | Antony Chazapis | del(response['Content-Length']) |
943 | 2715ade4 | Sofia Papagiannaki | response['Content-Type'] = 'multipart/byteranges; boundary=%s' % ( |
944 | 2715ade4 | Sofia Papagiannaki | boundary,) |
945 | 7bef5750 | Antony Chazapis | return response
|
946 | 7bef5750 | Antony Chazapis | |
947 | 2715ade4 | Sofia Papagiannaki | |
948 | 39593b2b | Giorgos Verigakis | def put_object_block(request, hashmap, data, offset): |
949 | cb146cf9 | Antony Chazapis | """Put one block of data at the given offset."""
|
950 | 2715ade4 | Sofia Papagiannaki | |
951 | 39593b2b | Giorgos Verigakis | bi = int(offset / request.backend.block_size)
|
952 | 39593b2b | Giorgos Verigakis | bo = offset % request.backend.block_size |
953 | 39593b2b | Giorgos Verigakis | bl = min(len(data), request.backend.block_size - bo) |
954 | cb146cf9 | Antony Chazapis | if bi < len(hashmap): |
955 | 39593b2b | Giorgos Verigakis | hashmap[bi] = request.backend.update_block(hashmap[bi], data[:bl], bo) |
956 | cb146cf9 | Antony Chazapis | else:
|
957 | 39593b2b | Giorgos Verigakis | hashmap.append(request.backend.put_block(('\x00' * bo) + data[:bl]))
|
958 | 2715ade4 | Sofia Papagiannaki | return bl # Return ammount of data written. |
959 | 2715ade4 | Sofia Papagiannaki | |
960 | cb146cf9 | Antony Chazapis | |
961 | b3155065 | Antony Chazapis | def hashmap_md5(backend, hashmap, size): |
962 | cddcf432 | chazapis | """Produce the MD5 sum from the data in the hashmap."""
|
963 | 2715ade4 | Sofia Papagiannaki | |
964 | ad0efdb3 | Ilias Tsitsimpis | # TODO: Search backend for the MD5 of another object
|
965 | ad0efdb3 | Ilias Tsitsimpis | # with the same hashmap and size...
|
966 | cddcf432 | chazapis | md5 = hashlib.md5() |
967 | b3155065 | Antony Chazapis | bs = backend.block_size |
968 | cddcf432 | chazapis | for bi, hash in enumerate(hashmap): |
969 | 2715ade4 | Sofia Papagiannaki | data = backend.get_block(hash) # Blocks come in padded. |
970 | cddcf432 | chazapis | if bi == len(hashmap) - 1: |
971 | c9865fe1 | Antony Chazapis | data = data[:size % bs] |
972 | c9865fe1 | Antony Chazapis | md5.update(data) |
973 | cddcf432 | chazapis | return md5.hexdigest().lower()
|
974 | 49133392 | Antony Chazapis | |
975 | 2715ade4 | Sofia Papagiannaki | |
976 | af7bb62f | Antony Chazapis | def simple_list_response(request, l): |
977 | 6b6b6c1e | Antony Chazapis | if request.serialization == 'text': |
978 | 6b6b6c1e | Antony Chazapis | return '\n'.join(l) + '\n' |
979 | 6b6b6c1e | Antony Chazapis | if request.serialization == 'xml': |
980 | af7bb62f | Antony Chazapis | return render_to_string('items.xml', {'items': l}) |
981 | 6b6b6c1e | Antony Chazapis | if request.serialization == 'json': |
982 | 6b6b6c1e | Antony Chazapis | return json.dumps(l)
|
983 | 6b6b6c1e | Antony Chazapis | |
984 | 35d42381 | Vangelis Koukis | |
985 | edb7875c | Christos Stavrakakis | from pithos.backends.util import PithosBackendPool |
986 | 61c5b615 | Sofia Papagiannaki | |
987 | 47462eda | Filippos Giannakos | if RADOS_STORAGE:
|
988 | ad0efdb3 | Ilias Tsitsimpis | BLOCK_PARAMS = {'mappool': RADOS_POOL_MAPS,
|
989 | ad0efdb3 | Ilias Tsitsimpis | 'blockpool': RADOS_POOL_BLOCKS, }
|
990 | 47462eda | Filippos Giannakos | else:
|
991 | ad0efdb3 | Ilias Tsitsimpis | BLOCK_PARAMS = {'mappool': None, |
992 | ad0efdb3 | Ilias Tsitsimpis | 'blockpool': None, } |
993 | 35d42381 | Vangelis Koukis | |
994 | 761c2b3c | root | |
995 | b336e6fa | Georgios D. Tsoukalas | _pithos_backend_pool = PithosBackendPool( |
996 | 61c5b615 | Sofia Papagiannaki | size=BACKEND_POOL_SIZE, |
997 | b336e6fa | Georgios D. Tsoukalas | db_module=BACKEND_DB_MODULE, |
998 | b336e6fa | Georgios D. Tsoukalas | db_connection=BACKEND_DB_CONNECTION, |
999 | b336e6fa | Georgios D. Tsoukalas | block_module=BACKEND_BLOCK_MODULE, |
1000 | b336e6fa | Georgios D. Tsoukalas | block_path=BACKEND_BLOCK_PATH, |
1001 | b336e6fa | Georgios D. Tsoukalas | block_umask=BACKEND_BLOCK_UMASK, |
1002 | b336e6fa | Georgios D. Tsoukalas | queue_module=BACKEND_QUEUE_MODULE, |
1003 | b336e6fa | Georgios D. Tsoukalas | queue_hosts=BACKEND_QUEUE_HOSTS, |
1004 | b336e6fa | Georgios D. Tsoukalas | queue_exchange=BACKEND_QUEUE_EXCHANGE, |
1005 | e3ff6830 | Georgios D. Tsoukalas | astakos_url=ASTAKOS_BASE_URL, |
1006 | 16f2673e | Sofia Papagiannaki | service_token=SERVICE_TOKEN, |
1007 | 16f2673e | Sofia Papagiannaki | astakosclient_poolsize=ASTAKOSCLIENT_POOLSIZE, |
1008 | b336e6fa | Georgios D. Tsoukalas | free_versioning=BACKEND_FREE_VERSIONING, |
1009 | 56f3c759 | Sofia Papagiannaki | block_params=BLOCK_PARAMS, |
1010 | 4a105ce2 | Sofia Papagiannaki | public_url_security=PUBLIC_URL_SECURITY, |
1011 | 19ddd41b | Sofia Papagiannaki | public_url_alphabet=PUBLIC_URL_ALPHABET, |
1012 | 19ddd41b | Sofia Papagiannaki | account_quota_policy=BACKEND_ACCOUNT_QUOTA, |
1013 | 19ddd41b | Sofia Papagiannaki | container_quota_policy=BACKEND_CONTAINER_QUOTA, |
1014 | 19ddd41b | Sofia Papagiannaki | container_versioning_policy=BACKEND_VERSIONING) |
1015 | 35d42381 | Vangelis Koukis | |
1016 | 65bbcd43 | Christos Stavrakakis | |
1017 | 35d42381 | Vangelis Koukis | def get_backend(): |
1018 | edb7875c | Christos Stavrakakis | backend = _pithos_backend_pool.pool_get() |
1019 | f77b1da9 | Stratos Psomadakis | backend.messages = [] |
1020 | edb7875c | Christos Stavrakakis | return backend
|
1021 | 35d42381 | Vangelis Koukis | |
1022 | 35d42381 | Vangelis Koukis | |
1023 | 9fefc052 | Antony Chazapis | def update_request_headers(request): |
1024 | 9fefc052 | Antony Chazapis | # Handle URL-encoded keys and values.
|
1025 | 2715ade4 | Sofia Papagiannaki | meta = dict([(
|
1026 | 2715ade4 | Sofia Papagiannaki | k, v) for k, v in request.META.iteritems() if k.startswith('HTTP_')]) |
1027 | 88283e9e | Antony Chazapis | for k, v in meta.iteritems(): |
1028 | 88283e9e | Antony Chazapis | try:
|
1029 | 88283e9e | Antony Chazapis | k.decode('ascii')
|
1030 | 88283e9e | Antony Chazapis | v.decode('ascii')
|
1031 | 88283e9e | Antony Chazapis | except UnicodeDecodeError: |
1032 | bd40abfa | Christos Stavrakakis | raise faults.BadRequest('Bad character in headers.') |
1033 | 88283e9e | Antony Chazapis | if '%' in k or '%' in v: |
1034 | 88283e9e | Antony Chazapis | del(request.META[k])
|
1035 | 2715ade4 | Sofia Papagiannaki | request.META[unquote(k)] = smart_unicode(unquote( |
1036 | 2715ade4 | Sofia Papagiannaki | v), strings_only=True)
|
1037 | 2715ade4 | Sofia Papagiannaki | |
1038 | 9fefc052 | Antony Chazapis | |
1039 | b956618e | Antony Chazapis | def update_response_headers(request, response): |
1040 | 9fefc052 | Antony Chazapis | if (not response.has_header('Content-Length') and |
1041 | 9fefc052 | Antony Chazapis | not (response.has_header('Content-Type') and |
1042 | 9fefc052 | Antony Chazapis | response['Content-Type'].startswith('multipart/byteranges'))): |
1043 | b980169d | Antony Chazapis | response['Content-Length'] = len(response.content) |
1044 | 2715ade4 | Sofia Papagiannaki | |
1045 | 9fefc052 | Antony Chazapis | # URL-encode unicode in headers.
|
1046 | 9fefc052 | Antony Chazapis | meta = response.items() |
1047 | 9fefc052 | Antony Chazapis | for k, v in meta: |
1048 | 88283e9e | Antony Chazapis | if (k.startswith('X-Account-') or k.startswith('X-Container-') or |
1049 | 2715ade4 | Sofia Papagiannaki | k.startswith('X-Object-') or k.startswith('Content-')): |
1050 | 9fefc052 | Antony Chazapis | del(response[k])
|
1051 | 88283e9e | Antony Chazapis | response[quote(k)] = quote(v, safe='/=,:@; ')
|
1052 | b956618e | Antony Chazapis | |
1053 | 2715ade4 | Sofia Papagiannaki | |
1054 | 65bbcd43 | Christos Stavrakakis | def get_pithos_usage(token): |
1055 | 65bbcd43 | Christos Stavrakakis | """Get Pithos Usage from astakos."""
|
1056 | e3ff6830 | Georgios D. Tsoukalas | astakos = AstakosClient(ASTAKOS_BASE_URL, retry=2, use_pool=True, |
1057 | e3ff6830 | Georgios D. Tsoukalas | logger=logger) |
1058 | 02de6286 | Sofia Papagiannaki | quotas = astakos.get_quotas(token)['system']
|
1059 | 02de6286 | Sofia Papagiannaki | pithos_resources = [r['name'] for r in resources] |
1060 | 02de6286 | Sofia Papagiannaki | map(quotas.pop, filter(lambda k: k not in pithos_resources, quotas.keys())) |
1061 | 02de6286 | Sofia Papagiannaki | return quotas.popitem()[-1] # assume only one resource |
1062 | c846fad1 | Sofia Papagiannaki | |
1063 | 2715ade4 | Sofia Papagiannaki | |
1064 | b90584d0 | Sofia Papagiannaki | def api_method(http_method=None, token_required=True, user_required=True, |
1065 | b90584d0 | Sofia Papagiannaki | logger=None, format_allowed=False, serializations=None, |
1066 | b90584d0 | Sofia Papagiannaki | strict_serlization=False, lock_container_path=False): |
1067 | d823a562 | Kostas Papadimitriou | serializations = serializations or ['json', 'xml'] |
1068 | b956618e | Antony Chazapis | def decorator(func): |
1069 | d630c78b | Sofia Papagiannaki | @api.api_method(http_method=http_method, token_required=token_required,
|
1070 | d630c78b | Sofia Papagiannaki | user_required=user_required, |
1071 | 47ef53d5 | Christos Stavrakakis | logger=logger, format_allowed=format_allowed, |
1072 | 6b560707 | Sofia Papagiannaki | astakos_url=ASTAKOS_BASE_URL, |
1073 | b5aeeb2f | Kostas Papadimitriou | serializations=serializations, |
1074 | b5aeeb2f | Kostas Papadimitriou | strict_serlization=strict_serlization) |
1075 | b956618e | Antony Chazapis | @wraps(func)
|
1076 | b956618e | Antony Chazapis | def wrapper(request, *args, **kwargs): |
1077 | 65bbcd43 | Christos Stavrakakis | # The args variable may contain up to (account, container, object).
|
1078 | 65bbcd43 | Christos Stavrakakis | if len(args) > 1 and len(args[1]) > 256: |
1079 | 65bbcd43 | Christos Stavrakakis | raise faults.BadRequest("Container name too large") |
1080 | 65bbcd43 | Christos Stavrakakis | if len(args) > 2 and len(args[2]) > 1024: |
1081 | 65bbcd43 | Christos Stavrakakis | raise faults.BadRequest('Object name too large.') |
1082 | 2715ade4 | Sofia Papagiannaki | |
1083 | 65bbcd43 | Christos Stavrakakis | try:
|
1084 | 65bbcd43 | Christos Stavrakakis | # Add a PithosBackend as attribute of the request object
|
1085 | 228de81b | Antony Chazapis | request.backend = get_backend() |
1086 | b90584d0 | Sofia Papagiannaki | request.backend.lock_container_path = lock_container_path |
1087 | 9f135224 | Sofia Papagiannaki | request.backend.wrapper.execute() |
1088 | 9f135224 | Sofia Papagiannaki | request.backend.serials = [] |
1089 | 9f135224 | Sofia Papagiannaki | request.backend.messages = [] |
1090 | 9f135224 | Sofia Papagiannaki | |
1091 | 65bbcd43 | Christos Stavrakakis | # Many API method expect thet X-Auth-Token in request,token
|
1092 | 65bbcd43 | Christos Stavrakakis | request.token = request.x_auth_token |
1093 | 65bbcd43 | Christos Stavrakakis | update_request_headers(request) |
1094 | b956618e | Antony Chazapis | response = func(request, *args, **kwargs) |
1095 | b956618e | Antony Chazapis | update_response_headers(request, response) |
1096 | 9f135224 | Sofia Papagiannaki | |
1097 | 9f135224 | Sofia Papagiannaki | # send messages produced
|
1098 | 9f135224 | Sofia Papagiannaki | for m in request.backend.messages: |
1099 | 9f135224 | Sofia Papagiannaki | request.backend.queue.send(*m) |
1100 | 9f135224 | Sofia Papagiannaki | |
1101 | 9f135224 | Sofia Papagiannaki | # register serials
|
1102 | 9f135224 | Sofia Papagiannaki | if request.backend.serials:
|
1103 | 9f135224 | Sofia Papagiannaki | request.backend.commission_serials.insert_many( |
1104 | 9f135224 | Sofia Papagiannaki | request.backend.serials) |
1105 | 9f135224 | Sofia Papagiannaki | |
1106 | 9f135224 | Sofia Papagiannaki | # commit to ensure that the serials are registered
|
1107 | 9f135224 | Sofia Papagiannaki | # even if resolve commission fails
|
1108 | 9f135224 | Sofia Papagiannaki | request.backend.wrapper.commit() |
1109 | 9f135224 | Sofia Papagiannaki | |
1110 | 9f135224 | Sofia Papagiannaki | # start new transaction
|
1111 | 9f135224 | Sofia Papagiannaki | request.backend.wrapper.execute() |
1112 | 9f135224 | Sofia Papagiannaki | |
1113 | 9f135224 | Sofia Papagiannaki | r = request.backend.astakosclient.resolve_commissions( |
1114 | 9f135224 | Sofia Papagiannaki | token=request.backend.service_token, |
1115 | 9f135224 | Sofia Papagiannaki | accept_serials=request.backend.serials, |
1116 | 9f135224 | Sofia Papagiannaki | reject_serials=[]) |
1117 | 9f135224 | Sofia Papagiannaki | request.backend.commission_serials.delete_many( |
1118 | 9f135224 | Sofia Papagiannaki | r['accepted'])
|
1119 | 9f135224 | Sofia Papagiannaki | |
1120 | 9f135224 | Sofia Papagiannaki | request.backend.wrapper.commit() |
1121 | b956618e | Antony Chazapis | return response
|
1122 | 9f135224 | Sofia Papagiannaki | except:
|
1123 | 9f135224 | Sofia Papagiannaki | if request.backend.serials:
|
1124 | 9f135224 | Sofia Papagiannaki | request.backend.astakosclient.resolve_commissions( |
1125 | 9f135224 | Sofia Papagiannaki | token=request.backend.service_token, |
1126 | 9f135224 | Sofia Papagiannaki | accept_serials=[], |
1127 | 9f135224 | Sofia Papagiannaki | reject_serials=request.backend.serials) |
1128 | 9f135224 | Sofia Papagiannaki | request.backend.wrapper.rollback() |
1129 | 9f135224 | Sofia Papagiannaki | raise
|
1130 | 7b25e082 | Antony Chazapis | finally:
|
1131 | 65bbcd43 | Christos Stavrakakis | # Always close PithosBackend connection
|
1132 | 65bbcd43 | Christos Stavrakakis | if getattr(request, "backend", None) is not None: |
1133 | d14fe290 | Antony Chazapis | request.backend.close() |
1134 | b956618e | Antony Chazapis | return wrapper
|
1135 | b956618e | Antony Chazapis | return decorator
|
1136 | 63de12cf | Sofia Papagiannaki | |
1137 | 63de12cf | Sofia Papagiannaki | |
1138 | 63de12cf | Sofia Papagiannaki | def get_token_from_cookie(request): |
1139 | 63de12cf | Sofia Papagiannaki | assert(request.method == 'GET'),\ |
1140 | 63de12cf | Sofia Papagiannaki | "Cookie based authentication is only allowed to GET requests"
|
1141 | 63de12cf | Sofia Papagiannaki | token = None
|
1142 | 63de12cf | Sofia Papagiannaki | if COOKIE_NAME in request.COOKIES: |
1143 | 63de12cf | Sofia Papagiannaki | cookie_value = unquote(request.COOKIES.get(COOKIE_NAME, ''))
|
1144 | 63de12cf | Sofia Papagiannaki | account, sep, token = cookie_value.partition('|')
|
1145 | 63de12cf | Sofia Papagiannaki | return token
|
1146 | 63de12cf | Sofia Papagiannaki | |
1147 | 63de12cf | Sofia Papagiannaki | |
1148 | 63de12cf | Sofia Papagiannaki | def view_method(): |
1149 | 63de12cf | Sofia Papagiannaki | """Decorator function for views."""
|
1150 | 63de12cf | Sofia Papagiannaki | |
1151 | 63de12cf | Sofia Papagiannaki | def decorator(func): |
1152 | 63de12cf | Sofia Papagiannaki | @wraps(func)
|
1153 | 63de12cf | Sofia Papagiannaki | def wrapper(request, *args, **kwargs): |
1154 | 63de12cf | Sofia Papagiannaki | request.META['HTTP_X_AUTH_TOKEN'] = get_token_from_cookie(request)
|
1155 | 63de12cf | Sofia Papagiannaki | # Get the response object
|
1156 | 63de12cf | Sofia Papagiannaki | response = func(request, *args, **kwargs) |
1157 | 63de12cf | Sofia Papagiannaki | if response.status_code == 200: |
1158 | 63de12cf | Sofia Papagiannaki | return response
|
1159 | d2d09227 | Sofia Papagiannaki | elif response.status_code == 404: |
1160 | d2d09227 | Sofia Papagiannaki | raise Http404()
|
1161 | d2d09227 | Sofia Papagiannaki | elif response.status_code in [401, 403]: |
1162 | d2d09227 | Sofia Papagiannaki | return HttpResponseForbidden()
|
1163 | 63de12cf | Sofia Papagiannaki | else:
|
1164 | d2d09227 | Sofia Papagiannaki | raise Exception(response) |
1165 | 63de12cf | Sofia Papagiannaki | return wrapper
|
1166 | 63de12cf | Sofia Papagiannaki | return decorator |