1 |
|
# Copyright 2011 GRNET S.A. All rights reserved.
|
2 |
|
#
|
3 |
|
# Redistribution and use in source and binary forms, with or
|
4 |
|
# without modification, are permitted provided that the following
|
5 |
|
# conditions are met:
|
6 |
|
#
|
7 |
|
# 1. Redistributions of source code must retain the above
|
8 |
|
# copyright notice, this list of conditions and the following
|
9 |
|
# disclaimer.
|
10 |
|
#
|
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.
|
15 |
|
#
|
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.
|
28 |
|
#
|
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.
|
33 |
|
|
34 |
|
import logging
|
35 |
|
import hashlib
|
36 |
|
|
37 |
|
from django.conf import settings
|
38 |
|
from django.http import HttpResponse
|
39 |
|
from django.template.loader import render_to_string
|
40 |
|
from django.utils import simplejson as json
|
41 |
|
from django.utils.http import parse_etags
|
42 |
|
from django.utils.encoding import smart_str
|
43 |
|
from xml.dom import minidom
|
44 |
|
|
45 |
|
from pithos.lib.filter import parse_filters
|
46 |
|
|
47 |
|
from pithos.api.faults import (Fault, NotModified, BadRequest, Unauthorized, Forbidden, ItemNotFound, Conflict,
|
48 |
|
LengthRequired, PreconditionFailed, RequestEntityTooLarge, RangeNotSatisfiable, UnprocessableEntity)
|
49 |
|
from pithos.api.util import (rename_meta_key, format_header_key, printable_header_dict, get_account_headers,
|
50 |
|
put_account_headers, get_container_headers, put_container_headers, get_object_headers, put_object_headers,
|
51 |
|
update_manifest_meta, update_sharing_meta, update_public_meta, validate_modification_preconditions,
|
52 |
|
validate_matching_preconditions, split_container_object_string, copy_or_move_object,
|
53 |
|
get_int_parameter, get_content_length, get_content_range, socket_read_iterator, SaveToBackendHandler,
|
54 |
|
object_data_response, put_object_block, hashmap_md5, api_method, json_encode_decimal)
|
55 |
|
from pithos.backends.base import NotAllowedError, QuotaError
|
56 |
|
|
57 |
|
|
58 |
|
logger = logging.getLogger(__name__)
|
59 |
|
|
60 |
|
|
61 |
|
def top_demux(request):
|
62 |
|
if request.method == 'GET':
|
63 |
|
if getattr(request, 'user', None) is not None:
|
64 |
|
return account_list(request)
|
65 |
|
return authenticate(request)
|
66 |
|
else:
|
67 |
|
return method_not_allowed(request)
|
68 |
|
|
69 |
|
def account_demux(request, v_account):
|
70 |
|
if request.method == 'HEAD':
|
71 |
|
return account_meta(request, v_account)
|
72 |
|
elif request.method == 'POST':
|
73 |
|
return account_update(request, v_account)
|
74 |
|
elif request.method == 'GET':
|
75 |
|
return container_list(request, v_account)
|
76 |
|
else:
|
77 |
|
return method_not_allowed(request)
|
78 |
|
|
79 |
|
def container_demux(request, v_account, v_container):
|
80 |
|
if request.method == 'HEAD':
|
81 |
|
return container_meta(request, v_account, v_container)
|
82 |
|
elif request.method == 'PUT':
|
83 |
|
return container_create(request, v_account, v_container)
|
84 |
|
elif request.method == 'POST':
|
85 |
|
return container_update(request, v_account, v_container)
|
86 |
|
elif request.method == 'DELETE':
|
87 |
|
return container_delete(request, v_account, v_container)
|
88 |
|
elif request.method == 'GET':
|
89 |
|
return object_list(request, v_account, v_container)
|
90 |
|
else:
|
91 |
|
return method_not_allowed(request)
|
92 |
|
|
93 |
|
def object_demux(request, v_account, v_container, v_object):
|
94 |
|
if request.method == 'HEAD':
|
95 |
|
return object_meta(request, v_account, v_container, v_object)
|
96 |
|
elif request.method == 'GET':
|
97 |
|
return object_read(request, v_account, v_container, v_object)
|
98 |
|
elif request.method == 'PUT':
|
99 |
|
return object_write(request, v_account, v_container, v_object)
|
100 |
|
elif request.method == 'COPY':
|
101 |
|
return object_copy(request, v_account, v_container, v_object)
|
102 |
|
elif request.method == 'MOVE':
|
103 |
|
return object_move(request, v_account, v_container, v_object)
|
104 |
|
elif request.method == 'POST':
|
105 |
|
if request.META.get('CONTENT_TYPE', '').startswith('multipart/form-data'):
|
106 |
|
return object_write_form(request, v_account, v_container, v_object)
|
107 |
|
return object_update(request, v_account, v_container, v_object)
|
108 |
|
elif request.method == 'DELETE':
|
109 |
|
return object_delete(request, v_account, v_container, v_object)
|
110 |
|
else:
|
111 |
|
return method_not_allowed(request)
|
112 |
|
|
113 |
|
@api_method('GET', user_required=False)
|
114 |
|
def authenticate(request):
|
115 |
|
# Normal Response Codes: 204
|
116 |
|
# Error Response Codes: serviceUnavailable (503),
|
117 |
|
# forbidden (403),
|
118 |
|
# badRequest (400)
|
119 |
|
|
120 |
|
x_auth_user = request.META.get('HTTP_X_AUTH_USER')
|
121 |
|
x_auth_key = request.META.get('HTTP_X_AUTH_KEY')
|
122 |
|
if not x_auth_user or not x_auth_key:
|
123 |
|
raise BadRequest('Missing X-Auth-User or X-Auth-Key header')
|
124 |
|
response = HttpResponse(status=204)
|
125 |
|
|
126 |
|
uri = request.build_absolute_uri()
|
127 |
|
if '?' in uri:
|
128 |
|
uri = uri[:uri.find('?')]
|
129 |
|
|
130 |
|
response['X-Auth-Token'] = x_auth_key
|
131 |
|
response['X-Storage-Url'] = uri + ('' if uri.endswith('/') else '/') + x_auth_user
|
132 |
|
return response
|
133 |
|
|
134 |
|
@api_method('GET', format_allowed=True)
|
135 |
|
def account_list(request):
|
136 |
|
# Normal Response Codes: 200, 204
|
137 |
|
# Error Response Codes: serviceUnavailable (503),
|
138 |
|
# badRequest (400)
|
139 |
|
|
140 |
|
response = HttpResponse()
|
141 |
|
|
142 |
|
marker = request.GET.get('marker')
|
143 |
|
limit = get_int_parameter(request.GET.get('limit'))
|
144 |
|
if not limit:
|
145 |
|
limit = 10000
|
146 |
|
|
147 |
|
accounts = request.backend.list_accounts(request.user_uniq, marker, limit)
|
148 |
|
|
149 |
|
if request.serialization == 'text':
|
150 |
|
if len(accounts) == 0:
|
151 |
|
# The cloudfiles python bindings expect 200 if json/xml.
|
152 |
|
response.status_code = 204
|
153 |
|
return response
|
154 |
|
response.status_code = 200
|
155 |
|
response.content = '\n'.join(accounts) + '\n'
|
156 |
|
return response
|
157 |
|
|
158 |
|
account_meta = []
|
159 |
|
for x in accounts:
|
160 |
|
if x == request.user_uniq:
|
161 |
|
continue
|
162 |
|
try:
|
163 |
|
meta = request.backend.get_account_meta(request.user_uniq, x, 'pithos')
|
164 |
|
groups = request.backend.get_account_groups(request.user_uniq, x)
|
165 |
|
except NotAllowedError:
|
166 |
|
raise Forbidden('Not allowed')
|
167 |
|
else:
|
168 |
|
rename_meta_key(meta, 'modified', 'last_modified')
|
169 |
|
rename_meta_key(meta, 'until_timestamp', 'x_account_until_timestamp')
|
170 |
|
m = dict([(k[15:], v) for k, v in meta.iteritems() if k.startswith('X-Account-Meta-')])
|
171 |
|
for k in m:
|
172 |
|
del(meta['X-Account-Meta-' + k])
|
173 |
|
if m:
|
174 |
|
meta['X-Account-Meta'] = printable_header_dict(m)
|
175 |
|
if groups:
|
176 |
|
meta['X-Account-Group'] = printable_header_dict(dict([(k, ','.join(v)) for k, v in groups.iteritems()]))
|
177 |
|
account_meta.append(printable_header_dict(meta))
|
178 |
|
if request.serialization == 'xml':
|
179 |
|
data = render_to_string('accounts.xml', {'accounts': account_meta})
|
180 |
|
elif request.serialization == 'json':
|
181 |
|
data = json.dumps(account_meta)
|
182 |
|
response.status_code = 200
|
183 |
|
response.content = data
|
184 |
|
return response
|
185 |
|
|
186 |
|
@api_method('HEAD')
|
187 |
|
def account_meta(request, v_account):
|
188 |
|
# Normal Response Codes: 204
|
189 |
|
# Error Response Codes: serviceUnavailable (503),
|
190 |
|
# forbidden (403),
|
191 |
|
# badRequest (400)
|
192 |
|
|
193 |
|
until = get_int_parameter(request.GET.get('until'))
|
194 |
|
try:
|
195 |
|
meta = request.backend.get_account_meta(request.user_uniq, v_account, 'pithos', until)
|
196 |
|
groups = request.backend.get_account_groups(request.user_uniq, v_account)
|
197 |
|
policy = request.backend.get_account_policy(request.user_uniq, v_account)
|
198 |
|
except NotAllowedError:
|
199 |
|
raise Forbidden('Not allowed')
|
200 |
|
|
201 |
|
validate_modification_preconditions(request, meta)
|
202 |
|
|
203 |
|
response = HttpResponse(status=204)
|
204 |
|
put_account_headers(response, meta, groups, policy)
|
205 |
|
return response
|
206 |
|
|
207 |
|
@api_method('POST')
|
208 |
|
def account_update(request, v_account):
|
209 |
|
# Normal Response Codes: 202
|
210 |
|
# Error Response Codes: serviceUnavailable (503),
|
211 |
|
# forbidden (403),
|
212 |
|
# badRequest (400)
|
213 |
|
|
214 |
|
meta, groups = get_account_headers(request)
|
215 |
|
replace = True
|
216 |
|
if 'update' in request.GET:
|
217 |
|
replace = False
|
218 |
|
if groups:
|
219 |
|
try:
|
220 |
|
request.backend.update_account_groups(request.user_uniq, v_account,
|
221 |
|
groups, replace)
|
222 |
|
except NotAllowedError:
|
223 |
|
raise Forbidden('Not allowed')
|
224 |
|
except ValueError:
|
225 |
|
raise BadRequest('Invalid groups header')
|
226 |
|
if meta or replace:
|
227 |
|
try:
|
228 |
|
request.backend.update_account_meta(request.user_uniq, v_account,
|
229 |
|
'pithos', meta, replace)
|
230 |
|
except NotAllowedError:
|
231 |
|
raise Forbidden('Not allowed')
|
232 |
|
return HttpResponse(status=202)
|
233 |
|
|
234 |
|
@api_method('GET', format_allowed=True)
|
235 |
|
def container_list(request, v_account):
|
236 |
|
# Normal Response Codes: 200, 204
|
237 |
|
# Error Response Codes: serviceUnavailable (503),
|
238 |
|
# itemNotFound (404),
|
239 |
|
# forbidden (403),
|
240 |
|
# badRequest (400)
|
241 |
|
|
242 |
|
until = get_int_parameter(request.GET.get('until'))
|
243 |
|
try:
|
244 |
|
meta = request.backend.get_account_meta(request.user_uniq, v_account, 'pithos', until)
|
245 |
|
groups = request.backend.get_account_groups(request.user_uniq, v_account)
|
246 |
|
policy = request.backend.get_account_policy(request.user_uniq, v_account)
|
247 |
|
except NotAllowedError:
|
248 |
|
raise Forbidden('Not allowed')
|
249 |
|
|
250 |
|
validate_modification_preconditions(request, meta)
|
251 |
|
|
252 |
|
response = HttpResponse()
|
253 |
|
put_account_headers(response, meta, groups, policy)
|
254 |
|
|
255 |
|
marker = request.GET.get('marker')
|
256 |
|
limit = get_int_parameter(request.GET.get('limit'))
|
257 |
|
if not limit:
|
258 |
|
limit = 10000
|
259 |
|
|
260 |
|
shared = False
|
261 |
|
if 'shared' in request.GET:
|
262 |
|
shared = True
|
263 |
|
|
264 |
|
try:
|
265 |
|
containers = request.backend.list_containers(request.user_uniq, v_account,
|
266 |
|
marker, limit, shared, until)
|
267 |
|
except NotAllowedError:
|
268 |
|
raise Forbidden('Not allowed')
|
269 |
|
except NameError:
|
270 |
|
containers = []
|
271 |
|
|
272 |
|
if request.serialization == 'text':
|
273 |
|
if len(containers) == 0:
|
274 |
|
# The cloudfiles python bindings expect 200 if json/xml.
|
275 |
|
response.status_code = 204
|
276 |
|
return response
|
277 |
|
response.status_code = 200
|
278 |
|
response.content = '\n'.join(containers) + '\n'
|
279 |
|
return response
|
280 |
|
|
281 |
|
container_meta = []
|
282 |
|
for x in containers:
|
283 |
|
try:
|
284 |
|
meta = request.backend.get_container_meta(request.user_uniq, v_account,
|
285 |
|
x, 'pithos', until)
|
286 |
|
policy = request.backend.get_container_policy(request.user_uniq,
|
287 |
|
v_account, x)
|
288 |
|
except NotAllowedError:
|
289 |
|
raise Forbidden('Not allowed')
|
290 |
|
except NameError:
|
291 |
|
pass
|
292 |
|
else:
|
293 |
|
rename_meta_key(meta, 'modified', 'last_modified')
|
294 |
|
rename_meta_key(meta, 'until_timestamp', 'x_container_until_timestamp')
|
295 |
|
m = dict([(k[17:], v) for k, v in meta.iteritems() if k.startswith('X-Container-Meta-')])
|
296 |
|
for k in m:
|
297 |
|
del(meta['X-Container-Meta-' + k])
|
298 |
|
if m:
|
299 |
|
meta['X-Container-Meta'] = printable_header_dict(m)
|
300 |
|
if policy:
|
301 |
|
meta['X-Container-Policy'] = printable_header_dict(dict([(k, v) for k, v in policy.iteritems()]))
|
302 |
|
container_meta.append(printable_header_dict(meta))
|
303 |
|
if request.serialization == 'xml':
|
304 |
|
data = render_to_string('containers.xml', {'account': v_account, 'containers': container_meta})
|
305 |
|
elif request.serialization == 'json':
|
306 |
|
data = json.dumps(container_meta)
|
307 |
|
response.status_code = 200
|
308 |
|
response.content = data
|
309 |
|
return response
|
310 |
|
|
311 |
|
@api_method('HEAD')
|
312 |
|
def container_meta(request, v_account, v_container):
|
313 |
|
# Normal Response Codes: 204
|
314 |
|
# Error Response Codes: serviceUnavailable (503),
|
315 |
|
# itemNotFound (404),
|
316 |
|
# forbidden (403),
|
317 |
|
# badRequest (400)
|
318 |
|
|
319 |
|
until = get_int_parameter(request.GET.get('until'))
|
320 |
|
try:
|
321 |
|
meta = request.backend.get_container_meta(request.user_uniq, v_account,
|
322 |
|
v_container, 'pithos', until)
|
323 |
|
meta['object_meta'] = request.backend.list_object_meta(request.user_uniq,
|
324 |
|
v_account, v_container, 'pithos', until)
|
325 |
|
policy = request.backend.get_container_policy(request.user_uniq, v_account,
|
326 |
|
v_container)
|
327 |
|
except NotAllowedError:
|
328 |
|
raise Forbidden('Not allowed')
|
329 |
|
except NameError:
|
330 |
|
raise ItemNotFound('Container does not exist')
|
331 |
|
|
332 |
|
validate_modification_preconditions(request, meta)
|
333 |
|
|
334 |
|
response = HttpResponse(status=204)
|
335 |
|
put_container_headers(request, response, meta, policy)
|
336 |
|
return response
|
337 |
|
|
338 |
|
@api_method('PUT')
|
339 |
|
def container_create(request, v_account, v_container):
|
340 |
|
# Normal Response Codes: 201, 202
|
341 |
|
# Error Response Codes: serviceUnavailable (503),
|
342 |
|
# itemNotFound (404),
|
343 |
|
# forbidden (403),
|
344 |
|
# badRequest (400)
|
345 |
|
|
346 |
|
meta, policy = get_container_headers(request)
|
347 |
|
|
348 |
|
try:
|
349 |
|
request.backend.put_container(request.user_uniq, v_account, v_container, policy)
|
350 |
|
ret = 201
|
351 |
|
except NotAllowedError:
|
352 |
|
raise Forbidden('Not allowed')
|
353 |
|
except ValueError:
|
354 |
|
raise BadRequest('Invalid policy header')
|
355 |
|
except NameError:
|
356 |
|
ret = 202
|
357 |
|
|
358 |
|
if ret == 202 and policy:
|
359 |
|
try:
|
360 |
|
request.backend.update_container_policy(request.user_uniq, v_account,
|
361 |
|
v_container, policy, replace=False)
|
362 |
|
except NotAllowedError:
|
363 |
|
raise Forbidden('Not allowed')
|
364 |
|
except NameError:
|
365 |
|
raise ItemNotFound('Container does not exist')
|
366 |
|
except ValueError:
|
367 |
|
raise BadRequest('Invalid policy header')
|
368 |
|
if meta:
|
369 |
|
try:
|
370 |
|
request.backend.update_container_meta(request.user_uniq, v_account,
|
371 |
|
v_container, 'pithos', meta, replace=False)
|
372 |
|
except NotAllowedError:
|
373 |
|
raise Forbidden('Not allowed')
|
374 |
|
except NameError:
|
375 |
|
raise ItemNotFound('Container does not exist')
|
376 |
|
|
377 |
|
return HttpResponse(status=ret)
|
378 |
|
|
379 |
|
@api_method('POST')
|
380 |
|
def container_update(request, v_account, v_container):
|
381 |
|
# Normal Response Codes: 202
|
382 |
|
# Error Response Codes: serviceUnavailable (503),
|
383 |
|
# itemNotFound (404),
|
384 |
|
# forbidden (403),
|
385 |
|
# badRequest (400)
|
386 |
|
|
387 |
|
meta, policy = get_container_headers(request)
|
388 |
|
replace = True
|
389 |
|
if 'update' in request.GET:
|
390 |
|
replace = False
|
391 |
|
if policy:
|
392 |
|
try:
|
393 |
|
request.backend.update_container_policy(request.user_uniq, v_account,
|
394 |
|
v_container, policy, replace)
|
395 |
|
except NotAllowedError:
|
396 |
|
raise Forbidden('Not allowed')
|
397 |
|
except NameError:
|
398 |
|
raise ItemNotFound('Container does not exist')
|
399 |
|
except ValueError:
|
400 |
|
raise BadRequest('Invalid policy header')
|
401 |
|
if meta or replace:
|
402 |
|
try:
|
403 |
|
request.backend.update_container_meta(request.user_uniq, v_account,
|
404 |
|
v_container, 'pithos', meta, replace)
|
405 |
|
except NotAllowedError:
|
406 |
|
raise Forbidden('Not allowed')
|
407 |
|
except NameError:
|
408 |
|
raise ItemNotFound('Container does not exist')
|
409 |
|
|
410 |
|
content_length = -1
|
411 |
|
if request.META.get('HTTP_TRANSFER_ENCODING') != 'chunked':
|
412 |
|
content_length = get_int_parameter(request.META.get('CONTENT_LENGTH', 0))
|
413 |
|
content_type = request.META.get('CONTENT_TYPE')
|
414 |
|
hashmap = []
|
415 |
|
if content_type and content_type == 'application/octet-stream' and content_length != 0:
|
416 |
|
for data in socket_read_iterator(request, content_length,
|
417 |
|
request.backend.block_size):
|
418 |
|
# TODO: Raise 408 (Request Timeout) if this takes too long.
|
419 |
|
# TODO: Raise 499 (Client Disconnect) if a length is defined and we stop before getting this much data.
|
420 |
|
hashmap.append(request.backend.put_block(data))
|
421 |
|
|
422 |
|
response = HttpResponse(status=202)
|
423 |
|
if hashmap:
|
424 |
|
response.content = '\n'.join(hashmap) + '\n'
|
425 |
|
return response
|
426 |
|
|
427 |
|
@api_method('DELETE')
|
428 |
|
def container_delete(request, v_account, v_container):
|
429 |
|
# Normal Response Codes: 204
|
430 |
|
# Error Response Codes: serviceUnavailable (503),
|
431 |
|
# conflict (409),
|
432 |
|
# itemNotFound (404),
|
433 |
|
# forbidden (403),
|
434 |
|
# badRequest (400)
|
435 |
|
|
436 |
|
until = get_int_parameter(request.GET.get('until'))
|
437 |
|
try:
|
438 |
|
request.backend.delete_container(request.user_uniq, v_account, v_container,
|
439 |
|
until)
|
440 |
|
except NotAllowedError:
|
441 |
|
raise Forbidden('Not allowed')
|
442 |
|
except NameError:
|
443 |
|
raise ItemNotFound('Container does not exist')
|
444 |
|
except IndexError:
|
445 |
|
raise Conflict('Container is not empty')
|
446 |
|
return HttpResponse(status=204)
|
447 |
|
|
448 |
|
@api_method('GET', format_allowed=True)
|
449 |
|
def object_list(request, v_account, v_container):
|
450 |
|
# Normal Response Codes: 200, 204
|
451 |
|
# Error Response Codes: serviceUnavailable (503),
|
452 |
|
# itemNotFound (404),
|
453 |
|
# forbidden (403),
|
454 |
|
# badRequest (400)
|
455 |
|
|
456 |
|
until = get_int_parameter(request.GET.get('until'))
|
457 |
|
try:
|
458 |
|
meta = request.backend.get_container_meta(request.user_uniq, v_account,
|
459 |
|
v_container, 'pithos', until)
|
460 |
|
meta['object_meta'] = request.backend.list_object_meta(request.user_uniq,
|
461 |
|
v_account, v_container, 'pithos', until)
|
462 |
|
policy = request.backend.get_container_policy(request.user_uniq, v_account,
|
463 |
|
v_container)
|
464 |
|
except NotAllowedError:
|
465 |
|
raise Forbidden('Not allowed')
|
466 |
|
except NameError:
|
467 |
|
raise ItemNotFound('Container does not exist')
|
468 |
|
|
469 |
|
validate_modification_preconditions(request, meta)
|
470 |
|
|
471 |
|
response = HttpResponse()
|
472 |
|
put_container_headers(request, response, meta, policy)
|
473 |
|
|
474 |
|
path = request.GET.get('path')
|
475 |
|
prefix = request.GET.get('prefix')
|
476 |
|
delimiter = request.GET.get('delimiter')
|
477 |
|
|
478 |
|
# Path overrides prefix and delimiter.
|
479 |
|
virtual = True
|
480 |
|
if path:
|
481 |
|
prefix = path
|
482 |
|
delimiter = '/'
|
483 |
|
virtual = False
|
484 |
|
|
485 |
|
# Naming policy.
|
486 |
|
if prefix and delimiter:
|
487 |
|
prefix = prefix + delimiter
|
488 |
|
if not prefix:
|
489 |
|
prefix = ''
|
490 |
|
prefix = prefix.lstrip('/')
|
491 |
|
|
492 |
|
marker = request.GET.get('marker')
|
493 |
|
limit = get_int_parameter(request.GET.get('limit'))
|
494 |
|
if not limit:
|
495 |
|
limit = 10000
|
496 |
|
|
497 |
|
keys = request.GET.get('meta')
|
498 |
|
if keys:
|
499 |
|
keys = [smart_str(x.strip()) for x in keys.split(',') if x.strip() != '']
|
500 |
|
included, excluded, opers = parse_filters(keys)
|
501 |
|
keys = []
|
502 |
|
keys += [format_header_key('X-Object-Meta-' + x) for x in included]
|
503 |
|
keys += ['!'+format_header_key('X-Object-Meta-' + x) for x in excluded]
|
504 |
|
keys += ['%s%s%s' % (format_header_key('X-Object-Meta-' + k), o, v) for k, o, v in opers]
|
505 |
|
else:
|
506 |
|
keys = []
|
507 |
|
|
508 |
|
shared = False
|
509 |
|
if 'shared' in request.GET:
|
510 |
|
shared = True
|
511 |
|
|
512 |
|
try:
|
513 |
|
objects = request.backend.list_objects(request.user_uniq, v_account,
|
514 |
|
v_container, prefix, delimiter, marker,
|
515 |
|
limit, virtual, 'pithos', keys, shared, until)
|
516 |
|
except NotAllowedError:
|
517 |
|
raise Forbidden('Not allowed')
|
518 |
|
except NameError:
|
519 |
|
raise ItemNotFound('Container does not exist')
|
520 |
|
|
521 |
|
if request.serialization == 'text':
|
522 |
|
if len(objects) == 0:
|
523 |
|
# The cloudfiles python bindings expect 200 if json/xml.
|
524 |
|
response.status_code = 204
|
525 |
|
return response
|
526 |
|
response.status_code = 200
|
527 |
|
response.content = '\n'.join([x[0] for x in objects]) + '\n'
|
528 |
|
return response
|
529 |
|
|
530 |
|
object_meta = []
|
531 |
|
for x in objects:
|
532 |
|
if x[1] is None:
|
533 |
|
# Virtual objects/directories.
|
534 |
|
object_meta.append({'subdir': x[0]})
|
535 |
|
else:
|
536 |
|
try:
|
537 |
|
meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
538 |
|
v_container, x[0], 'pithos', x[1])
|
539 |
|
if until is None:
|
540 |
|
permissions = request.backend.get_object_permissions(
|
541 |
|
request.user_uniq, v_account, v_container, x[0])
|
542 |
|
public = request.backend.get_object_public(request.user_uniq,
|
543 |
|
v_account, v_container, x[0])
|
544 |
|
else:
|
545 |
|
permissions = None
|
546 |
|
public = None
|
547 |
|
except NotAllowedError:
|
548 |
|
raise Forbidden('Not allowed')
|
549 |
|
except NameError:
|
550 |
|
pass
|
551 |
|
else:
|
552 |
|
rename_meta_key(meta, 'hash', 'x_object_hash') # Will be replaced by ETag.
|
553 |
|
rename_meta_key(meta, 'ETag', 'hash')
|
554 |
|
rename_meta_key(meta, 'uuid', 'x_object_uuid')
|
555 |
|
rename_meta_key(meta, 'modified', 'last_modified')
|
556 |
|
rename_meta_key(meta, 'modified_by', 'x_object_modified_by')
|
557 |
|
rename_meta_key(meta, 'version', 'x_object_version')
|
558 |
|
rename_meta_key(meta, 'version_timestamp', 'x_object_version_timestamp')
|
559 |
|
m = dict([(k[14:], v) for k, v in meta.iteritems() if k.startswith('X-Object-Meta-')])
|
560 |
|
for k in m:
|
561 |
|
del(meta['X-Object-Meta-' + k])
|
562 |
|
if m:
|
563 |
|
meta['X-Object-Meta'] = printable_header_dict(m)
|
564 |
|
update_sharing_meta(request, permissions, v_account, v_container, x[0], meta)
|
565 |
|
update_public_meta(public, meta)
|
566 |
|
object_meta.append(printable_header_dict(meta))
|
567 |
|
if request.serialization == 'xml':
|
568 |
|
data = render_to_string('objects.xml', {'container': v_container, 'objects': object_meta})
|
569 |
|
elif request.serialization == 'json':
|
570 |
|
data = json.dumps(object_meta, default=json_encode_decimal)
|
571 |
|
response.status_code = 200
|
572 |
|
response.content = data
|
573 |
|
return response
|
574 |
|
|
575 |
|
@api_method('HEAD')
|
576 |
|
def object_meta(request, v_account, v_container, v_object):
|
577 |
|
# Normal Response Codes: 204
|
578 |
|
# Error Response Codes: serviceUnavailable (503),
|
579 |
|
# itemNotFound (404),
|
580 |
|
# forbidden (403),
|
581 |
|
# badRequest (400)
|
582 |
|
|
583 |
|
version = request.GET.get('version')
|
584 |
|
try:
|
585 |
|
meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
586 |
|
v_container, v_object, 'pithos', version)
|
587 |
|
if version is None:
|
588 |
|
permissions = request.backend.get_object_permissions(request.user_uniq,
|
589 |
|
v_account, v_container, v_object)
|
590 |
|
public = request.backend.get_object_public(request.user_uniq, v_account,
|
591 |
|
v_container, v_object)
|
592 |
|
else:
|
593 |
|
permissions = None
|
594 |
|
public = None
|
595 |
|
except NotAllowedError:
|
596 |
|
raise Forbidden('Not allowed')
|
597 |
|
except NameError:
|
598 |
|
raise ItemNotFound('Object does not exist')
|
599 |
|
except IndexError:
|
600 |
|
raise ItemNotFound('Version does not exist')
|
601 |
|
|
602 |
|
update_manifest_meta(request, v_account, meta)
|
603 |
|
update_sharing_meta(request, permissions, v_account, v_container, v_object, meta)
|
604 |
|
update_public_meta(public, meta)
|
605 |
|
|
606 |
|
# Evaluate conditions.
|
607 |
|
validate_modification_preconditions(request, meta)
|
608 |
|
try:
|
609 |
|
validate_matching_preconditions(request, meta)
|
610 |
|
except NotModified:
|
611 |
|
response = HttpResponse(status=304)
|
612 |
|
response['ETag'] = meta['ETag']
|
613 |
|
return response
|
614 |
|
|
615 |
|
response = HttpResponse(status=200)
|
616 |
|
put_object_headers(response, meta)
|
617 |
|
return response
|
618 |
|
|
619 |
|
@api_method('GET', format_allowed=True)
|
620 |
|
def object_read(request, v_account, v_container, v_object):
|
621 |
|
# Normal Response Codes: 200, 206
|
622 |
|
# Error Response Codes: serviceUnavailable (503),
|
623 |
|
# rangeNotSatisfiable (416),
|
624 |
|
# preconditionFailed (412),
|
625 |
|
# itemNotFound (404),
|
626 |
|
# forbidden (403),
|
627 |
|
# badRequest (400),
|
628 |
|
# notModified (304)
|
629 |
|
|
630 |
|
version = request.GET.get('version')
|
631 |
|
|
632 |
|
# Reply with the version list. Do this first, as the object may be deleted.
|
633 |
|
if version == 'list':
|
634 |
|
if request.serialization == 'text':
|
635 |
|
raise BadRequest('No format specified for version list.')
|
636 |
|
|
637 |
|
try:
|
638 |
|
v = request.backend.list_versions(request.user_uniq, v_account,
|
639 |
|
v_container, v_object)
|
640 |
|
except NotAllowedError:
|
641 |
|
raise Forbidden('Not allowed')
|
642 |
|
d = {'versions': v}
|
643 |
|
if request.serialization == 'xml':
|
644 |
|
d['object'] = v_object
|
645 |
|
data = render_to_string('versions.xml', d)
|
646 |
|
elif request.serialization == 'json':
|
647 |
|
data = json.dumps(d, default=json_encode_decimal)
|
648 |
|
|
649 |
|
response = HttpResponse(data, status=200)
|
650 |
|
response['Content-Length'] = len(data)
|
651 |
|
return response
|
652 |
|
|
653 |
|
try:
|
654 |
|
meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
655 |
|
v_container, v_object, 'pithos', version)
|
656 |
|
if version is None:
|
657 |
|
permissions = request.backend.get_object_permissions(request.user_uniq,
|
658 |
|
v_account, v_container, v_object)
|
659 |
|
public = request.backend.get_object_public(request.user_uniq, v_account,
|
660 |
|
v_container, v_object)
|
661 |
|
else:
|
662 |
|
permissions = None
|
663 |
|
public = None
|
664 |
|
except NotAllowedError:
|
665 |
|
raise Forbidden('Not allowed')
|
666 |
|
except NameError:
|
667 |
|
raise ItemNotFound('Object does not exist')
|
668 |
|
except IndexError:
|
669 |
|
raise ItemNotFound('Version does not exist')
|
670 |
|
|
671 |
|
update_manifest_meta(request, v_account, meta)
|
672 |
|
update_sharing_meta(request, permissions, v_account, v_container, v_object, meta)
|
673 |
|
update_public_meta(public, meta)
|
674 |
|
|
675 |
|
# Evaluate conditions.
|
676 |
|
validate_modification_preconditions(request, meta)
|
677 |
|
try:
|
678 |
|
validate_matching_preconditions(request, meta)
|
679 |
|
except NotModified:
|
680 |
|
response = HttpResponse(status=304)
|
681 |
|
response['ETag'] = meta['ETag']
|
682 |
|
return response
|
683 |
|
|
684 |
|
sizes = []
|
685 |
|
hashmaps = []
|
686 |
|
if 'X-Object-Manifest' in meta:
|
687 |
|
try:
|
688 |
|
src_container, src_name = split_container_object_string('/' + meta['X-Object-Manifest'])
|
689 |
|
objects = request.backend.list_objects(request.user_uniq, v_account,
|
690 |
|
src_container, prefix=src_name, virtual=False)
|
691 |
|
except NotAllowedError:
|
692 |
|
raise Forbidden('Not allowed')
|
693 |
|
except ValueError:
|
694 |
|
raise BadRequest('Invalid X-Object-Manifest header')
|
695 |
|
except NameError:
|
696 |
|
raise ItemNotFound('Container does not exist')
|
697 |
|
|
698 |
|
try:
|
699 |
|
for x in objects:
|
700 |
|
s, h = request.backend.get_object_hashmap(request.user_uniq,
|
701 |
|
v_account, src_container, x[0], x[1])
|
702 |
|
sizes.append(s)
|
703 |
|
hashmaps.append(h)
|
704 |
|
except NotAllowedError:
|
705 |
|
raise Forbidden('Not allowed')
|
706 |
|
except NameError:
|
707 |
|
raise ItemNotFound('Object does not exist')
|
708 |
|
except IndexError:
|
709 |
|
raise ItemNotFound('Version does not exist')
|
710 |
|
else:
|
711 |
|
try:
|
712 |
|
s, h = request.backend.get_object_hashmap(request.user_uniq, v_account,
|
713 |
|
v_container, v_object, version)
|
714 |
|
sizes.append(s)
|
715 |
|
hashmaps.append(h)
|
716 |
|
except NotAllowedError:
|
717 |
|
raise Forbidden('Not allowed')
|
718 |
|
except NameError:
|
719 |
|
raise ItemNotFound('Object does not exist')
|
720 |
|
except IndexError:
|
721 |
|
raise ItemNotFound('Version does not exist')
|
722 |
|
|
723 |
|
# Reply with the hashmap.
|
724 |
|
if 'hashmap' in request.GET and request.serialization != 'text':
|
725 |
|
size = sum(sizes)
|
726 |
|
hashmap = sum(hashmaps, [])
|
727 |
|
d = {
|
728 |
|
'block_size': request.backend.block_size,
|
729 |
|
'block_hash': request.backend.hash_algorithm,
|
730 |
|
'bytes': size,
|
731 |
|
'hashes': hashmap}
|
732 |
|
if request.serialization == 'xml':
|
733 |
|
d['object'] = v_object
|
734 |
|
data = render_to_string('hashes.xml', d)
|
735 |
|
elif request.serialization == 'json':
|
736 |
|
data = json.dumps(d)
|
737 |
|
|
738 |
|
response = HttpResponse(data, status=200)
|
739 |
|
put_object_headers(response, meta)
|
740 |
|
response['Content-Length'] = len(data)
|
741 |
|
return response
|
742 |
|
|
743 |
|
request.serialization = 'text' # Unset.
|
744 |
|
return object_data_response(request, sizes, hashmaps, meta)
|
745 |
|
|
746 |
|
@api_method('PUT', format_allowed=True)
|
747 |
|
def object_write(request, v_account, v_container, v_object):
|
748 |
|
# Normal Response Codes: 201
|
749 |
|
# Error Response Codes: serviceUnavailable (503),
|
750 |
|
# unprocessableEntity (422),
|
751 |
|
# lengthRequired (411),
|
752 |
|
# conflict (409),
|
753 |
|
# itemNotFound (404),
|
754 |
|
# forbidden (403),
|
755 |
|
# badRequest (400)
|
756 |
|
|
757 |
|
# Evaluate conditions.
|
758 |
|
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'):
|
759 |
|
try:
|
760 |
|
meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
761 |
|
v_container, v_object, 'pithos')
|
762 |
|
except NotAllowedError:
|
763 |
|
raise Forbidden('Not allowed')
|
764 |
|
except NameError:
|
765 |
|
meta = {}
|
766 |
|
validate_matching_preconditions(request, meta)
|
767 |
|
|
768 |
|
copy_from = request.META.get('HTTP_X_COPY_FROM')
|
769 |
|
move_from = request.META.get('HTTP_X_MOVE_FROM')
|
770 |
|
if copy_from or move_from:
|
771 |
|
content_length = get_content_length(request) # Required by the API.
|
772 |
|
|
773 |
|
src_account = request.META.get('HTTP_X_SOURCE_ACCOUNT')
|
774 |
|
if not src_account:
|
775 |
|
src_account = request.user_uniq
|
776 |
|
if move_from:
|
777 |
|
try:
|
778 |
|
src_container, src_name = split_container_object_string(move_from)
|
779 |
|
except ValueError:
|
780 |
|
raise BadRequest('Invalid X-Move-From header')
|
781 |
|
version_id = copy_or_move_object(request, src_account, src_container, src_name,
|
782 |
|
v_account, v_container, v_object, move=True)
|
783 |
|
else:
|
784 |
|
try:
|
785 |
|
src_container, src_name = split_container_object_string(copy_from)
|
786 |
|
except ValueError:
|
787 |
|
raise BadRequest('Invalid X-Copy-From header')
|
788 |
|
version_id = copy_or_move_object(request, src_account, src_container, src_name,
|
789 |
|
v_account, v_container, v_object, move=False)
|
790 |
|
response = HttpResponse(status=201)
|
791 |
|
response['X-Object-Version'] = version_id
|
792 |
|
return response
|
793 |
|
|
794 |
|
meta, permissions, public = get_object_headers(request)
|
795 |
|
content_length = -1
|
796 |
|
if request.META.get('HTTP_TRANSFER_ENCODING') != 'chunked':
|
797 |
|
content_length = get_content_length(request)
|
798 |
|
# Should be BadRequest, but API says otherwise.
|
799 |
|
if 'Content-Type' not in meta:
|
800 |
|
raise LengthRequired('Missing Content-Type header')
|
801 |
|
|
802 |
|
if 'hashmap' in request.GET:
|
803 |
|
if request.serialization not in ('json', 'xml'):
|
804 |
|
raise BadRequest('Invalid hashmap format')
|
805 |
|
|
806 |
|
data = ''
|
807 |
|
for block in socket_read_iterator(request, content_length,
|
808 |
|
request.backend.block_size):
|
809 |
|
data = '%s%s' % (data, block)
|
810 |
|
|
811 |
|
if request.serialization == 'json':
|
812 |
|
d = json.loads(data)
|
813 |
|
if not hasattr(d, '__getitem__'):
|
814 |
|
raise BadRequest('Invalid data formating')
|
815 |
|
try:
|
816 |
|
hashmap = d['hashes']
|
817 |
|
size = int(d['bytes'])
|
818 |
|
except:
|
819 |
|
raise BadRequest('Invalid data formatting')
|
820 |
|
elif request.serialization == 'xml':
|
821 |
|
try:
|
822 |
|
xml = minidom.parseString(data)
|
823 |
|
obj = xml.getElementsByTagName('object')[0]
|
824 |
|
size = int(obj.attributes['bytes'].value)
|
825 |
|
|
826 |
|
hashes = xml.getElementsByTagName('hash')
|
827 |
|
hashmap = []
|
828 |
|
for hash in hashes:
|
829 |
|
hashmap.append(hash.firstChild.data)
|
830 |
|
except:
|
831 |
|
raise BadRequest('Invalid data formatting')
|
832 |
|
else:
|
833 |
|
md5 = hashlib.md5()
|
834 |
|
size = 0
|
835 |
|
hashmap = []
|
836 |
|
for data in socket_read_iterator(request, content_length,
|
837 |
|
request.backend.block_size):
|
838 |
|
# TODO: Raise 408 (Request Timeout) if this takes too long.
|
839 |
|
# TODO: Raise 499 (Client Disconnect) if a length is defined and we stop before getting this much data.
|
840 |
|
size += len(data)
|
841 |
|
hashmap.append(request.backend.put_block(data))
|
842 |
|
md5.update(data)
|
843 |
|
|
844 |
|
meta['ETag'] = md5.hexdigest().lower()
|
845 |
|
etag = request.META.get('HTTP_ETAG')
|
846 |
|
if etag and parse_etags(etag)[0].lower() != meta['ETag']:
|
847 |
|
raise UnprocessableEntity('Object ETag does not match')
|
848 |
|
|
849 |
|
try:
|
850 |
|
version_id = request.backend.update_object_hashmap(request.user_uniq,
|
851 |
|
v_account, v_container, v_object, size, hashmap,
|
852 |
|
'pithos', meta, True, permissions)
|
853 |
|
except NotAllowedError:
|
854 |
|
raise Forbidden('Not allowed')
|
855 |
|
except IndexError, e:
|
856 |
|
raise Conflict('\n'.join(e.data) + '\n')
|
857 |
|
except NameError:
|
858 |
|
raise ItemNotFound('Container does not exist')
|
859 |
|
except ValueError:
|
860 |
|
raise BadRequest('Invalid sharing header')
|
861 |
|
except AttributeError, e:
|
862 |
|
raise Conflict('\n'.join(e.data) + '\n')
|
863 |
|
except QuotaError:
|
864 |
|
raise RequestEntityTooLarge('Quota exceeded')
|
865 |
|
if 'ETag' not in meta:
|
866 |
|
# Update the MD5 after the hashmap, as there may be missing hashes.
|
867 |
|
# TODO: This will create a new version, even if done synchronously...
|
868 |
|
etag = hashmap_md5(request, hashmap, size)
|
869 |
|
meta.update({'ETag': etag}) # Update ETag.
|
870 |
|
try:
|
871 |
|
version_id = request.backend.update_object_meta(request.user_uniq,
|
872 |
|
v_account, v_container, v_object, 'pithos', {'ETag': etag}, False)
|
873 |
|
except NotAllowedError:
|
874 |
|
raise Forbidden('Not allowed')
|
875 |
|
if public is not None:
|
876 |
|
try:
|
877 |
|
request.backend.update_object_public(request.user_uniq, v_account,
|
878 |
|
v_container, v_object, public)
|
879 |
|
except NotAllowedError:
|
880 |
|
raise Forbidden('Not allowed')
|
881 |
|
except NameError:
|
882 |
|
raise ItemNotFound('Object does not exist')
|
883 |
|
|
884 |
|
response = HttpResponse(status=201)
|
885 |
|
response['ETag'] = meta['ETag']
|
886 |
|
response['X-Object-Version'] = version_id
|
887 |
|
return response
|
888 |
|
|
889 |
|
@api_method('POST')
|
890 |
|
def object_write_form(request, v_account, v_container, v_object):
|
891 |
|
# Normal Response Codes: 201
|
892 |
|
# Error Response Codes: serviceUnavailable (503),
|
893 |
|
# itemNotFound (404),
|
894 |
|
# forbidden (403),
|
895 |
|
# badRequest (400)
|
896 |
|
|
897 |
|
request.upload_handlers = [SaveToBackendHandler(request)]
|
898 |
|
if not request.FILES.has_key('X-Object-Data'):
|
899 |
|
raise BadRequest('Missing X-Object-Data field')
|
900 |
|
file = request.FILES['X-Object-Data']
|
901 |
|
|
902 |
|
meta = {}
|
903 |
|
meta['Content-Type'] = file.content_type
|
904 |
|
meta['ETag'] = file.etag
|
905 |
|
|
906 |
|
try:
|
907 |
|
version_id = request.backend.update_object_hashmap(request.user_uniq,
|
908 |
|
v_account, v_container, v_object, file.size, file.hashmap,
|
909 |
|
'pithos', meta, True)
|
910 |
|
except NotAllowedError:
|
911 |
|
raise Forbidden('Not allowed')
|
912 |
|
except NameError:
|
913 |
|
raise ItemNotFound('Container does not exist')
|
914 |
|
except QuotaError:
|
915 |
|
raise RequestEntityTooLarge('Quota exceeded')
|
916 |
|
|
917 |
|
response = HttpResponse(status=201)
|
918 |
|
response['ETag'] = meta['ETag']
|
919 |
|
response['X-Object-Version'] = version_id
|
920 |
|
return response
|
921 |
|
|
922 |
|
@api_method('COPY')
|
923 |
|
def object_copy(request, v_account, v_container, v_object):
|
924 |
|
# Normal Response Codes: 201
|
925 |
|
# Error Response Codes: serviceUnavailable (503),
|
926 |
|
# itemNotFound (404),
|
927 |
|
# forbidden (403),
|
928 |
|
# badRequest (400)
|
929 |
|
|
930 |
|
dest_account = request.META.get('HTTP_DESTINATION_ACCOUNT')
|
931 |
|
if not dest_account:
|
932 |
|
dest_account = request.user_uniq
|
933 |
|
dest_path = request.META.get('HTTP_DESTINATION')
|
934 |
|
if not dest_path:
|
935 |
|
raise BadRequest('Missing Destination header')
|
936 |
|
try:
|
937 |
|
dest_container, dest_name = split_container_object_string(dest_path)
|
938 |
|
except ValueError:
|
939 |
|
raise BadRequest('Invalid Destination header')
|
940 |
|
|
941 |
|
# Evaluate conditions.
|
942 |
|
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'):
|
943 |
|
src_version = request.META.get('HTTP_X_SOURCE_VERSION')
|
944 |
|
try:
|
945 |
|
meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
946 |
|
v_container, v_object, 'pithos', src_version)
|
947 |
|
except NotAllowedError:
|
948 |
|
raise Forbidden('Not allowed')
|
949 |
|
except (NameError, IndexError):
|
950 |
|
raise ItemNotFound('Container or object does not exist')
|
951 |
|
validate_matching_preconditions(request, meta)
|
952 |
|
|
953 |
|
version_id = copy_or_move_object(request, v_account, v_container, v_object,
|
954 |
|
dest_account, dest_container, dest_name, move=False)
|
955 |
|
response = HttpResponse(status=201)
|
956 |
|
response['X-Object-Version'] = version_id
|
957 |
|
return response
|
958 |
|
|
959 |
|
@api_method('MOVE')
|
960 |
|
def object_move(request, v_account, v_container, v_object):
|
961 |
|
# Normal Response Codes: 201
|
962 |
|
# Error Response Codes: serviceUnavailable (503),
|
963 |
|
# itemNotFound (404),
|
964 |
|
# forbidden (403),
|
965 |
|
# badRequest (400)
|
966 |
|
|
967 |
|
dest_account = request.META.get('HTTP_DESTINATION_ACCOUNT')
|
968 |
|
if not dest_account:
|
969 |
|
dest_account = request.user_uniq
|
970 |
|
dest_path = request.META.get('HTTP_DESTINATION')
|
971 |
|
if not dest_path:
|
972 |
|
raise BadRequest('Missing Destination header')
|
973 |
|
try:
|
974 |
|
dest_container, dest_name = split_container_object_string(dest_path)
|
975 |
|
except ValueError:
|
976 |
|
raise BadRequest('Invalid Destination header')
|
977 |
|
|
978 |
|
# Evaluate conditions.
|
979 |
|
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'):
|
980 |
|
try:
|
981 |
|
meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
982 |
|
v_container, v_object, 'pithos')
|
983 |
|
except NotAllowedError:
|
984 |
|
raise Forbidden('Not allowed')
|
985 |
|
except NameError:
|
986 |
|
raise ItemNotFound('Container or object does not exist')
|
987 |
|
validate_matching_preconditions(request, meta)
|
988 |
|
|
989 |
|
version_id = copy_or_move_object(request, v_account, v_container, v_object,
|
990 |
|
dest_account, dest_container, dest_name, move=True)
|
991 |
|
response = HttpResponse(status=201)
|
992 |
|
response['X-Object-Version'] = version_id
|
993 |
|
return response
|
994 |
|
|
995 |
|
@api_method('POST')
|
996 |
|
def object_update(request, v_account, v_container, v_object):
|
997 |
|
# Normal Response Codes: 202, 204
|
998 |
|
# Error Response Codes: serviceUnavailable (503),
|
999 |
|
# conflict (409),
|
1000 |
|
# itemNotFound (404),
|
1001 |
|
# forbidden (403),
|
1002 |
|
# badRequest (400)
|
1003 |
|
|
1004 |
|
meta, permissions, public = get_object_headers(request)
|
1005 |
|
content_type = meta.get('Content-Type')
|
1006 |
|
if content_type:
|
1007 |
|
del(meta['Content-Type']) # Do not allow changing the Content-Type.
|
1008 |
|
|
1009 |
|
try:
|
1010 |
|
prev_meta = request.backend.get_object_meta(request.user_uniq, v_account,
|
1011 |
|
v_container, v_object, 'pithos')
|
1012 |
|
except NotAllowedError:
|
1013 |
|
raise Forbidden('Not allowed')
|
1014 |
|
except NameError:
|
1015 |
|
raise ItemNotFound('Object does not exist')
|
1016 |
|
|
1017 |
|
# Evaluate conditions.
|
1018 |
|
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'):
|
1019 |
|
validate_matching_preconditions(request, prev_meta)
|
1020 |
|
|
1021 |
|
# If replacing, keep previous values of 'Content-Type' and 'ETag'.
|
1022 |
|
replace = True
|
1023 |
|
if 'update' in request.GET:
|
1024 |
|
replace = False
|
1025 |
|
if replace:
|
1026 |
|
for k in ('Content-Type', 'ETag'):
|
1027 |
|
if k in prev_meta:
|
1028 |
|
meta[k] = prev_meta[k]
|
1029 |
|
|
1030 |
|
# A Content-Type or X-Source-Object header indicates data updates.
|
1031 |
|
src_object = request.META.get('HTTP_X_SOURCE_OBJECT')
|
1032 |
|
if (not content_type or content_type != 'application/octet-stream') and not src_object:
|
1033 |
|
response = HttpResponse(status=202)
|
1034 |
|
|
1035 |
|
# Do permissions first, as it may fail easier.
|
1036 |
|
if permissions is not None:
|
1037 |
|
try:
|
1038 |
|
request.backend.update_object_permissions(request.user_uniq,
|
1039 |
|
v_account, v_container, v_object, permissions)
|
1040 |
|
except NotAllowedError:
|
1041 |
|
raise Forbidden('Not allowed')
|
1042 |
|
except NameError:
|
1043 |
|
raise ItemNotFound('Object does not exist')
|
1044 |
|
except ValueError:
|
1045 |
|
raise BadRequest('Invalid sharing header')
|
1046 |
|
except AttributeError, e:
|
1047 |
|
raise Conflict('\n'.join(e.data) + '\n')
|
1048 |
|
if public is not None:
|
1049 |
|
try:
|
1050 |
|
request.backend.update_object_public(request.user_uniq, v_account,
|
1051 |
|
v_container, v_object, public)
|
1052 |
|
except NotAllowedError:
|
1053 |
|
raise Forbidden('Not allowed')
|
1054 |
|
except NameError:
|
1055 |
|
raise ItemNotFound('Object does not exist')
|
1056 |
|
if meta or replace:
|
1057 |
|
try:
|
1058 |
|
version_id = request.backend.update_object_meta(request.user_uniq,
|
1059 |
|
v_account, v_container, v_object, 'pithos', meta, replace)
|
1060 |
|
except NotAllowedError:
|
1061 |
|
raise Forbidden('Not allowed')
|
1062 |
|
except NameError:
|
1063 |
|
raise ItemNotFound('Object does not exist')
|
1064 |
|
response['X-Object-Version'] = version_id
|
1065 |
|
|
1066 |
|
return response
|
1067 |
|
|
1068 |
|
# Single range update. Range must be in Content-Range.
|
1069 |
|
# Based on: http://code.google.com/p/gears/wiki/ContentRangePostProposal
|
1070 |
|
# (with the addition that '*' is allowed for the range - will append).
|
1071 |
|
content_range = request.META.get('HTTP_CONTENT_RANGE')
|
1072 |
|
if not content_range:
|
1073 |
|
raise BadRequest('Missing Content-Range header')
|
1074 |
|
ranges = get_content_range(request)
|
1075 |
|
if not ranges:
|
1076 |
|
raise RangeNotSatisfiable('Invalid Content-Range header')
|
1077 |
|
|
1078 |
|
try:
|
1079 |
|
size, hashmap = request.backend.get_object_hashmap(request.user_uniq,
|
1080 |
|
v_account, v_container, v_object)
|
1081 |
|
except NotAllowedError:
|
1082 |
|
raise Forbidden('Not allowed')
|
1083 |
|
except NameError:
|
1084 |
|
raise ItemNotFound('Object does not exist')
|
1085 |
|
|
1086 |
|
offset, length, total = ranges
|
1087 |
|
if offset is None:
|
1088 |
|
offset = size
|
1089 |
|
elif offset > size:
|
1090 |
|
raise RangeNotSatisfiable('Supplied offset is beyond object limits')
|
1091 |
|
if src_object:
|
1092 |
|
src_account = request.META.get('HTTP_X_SOURCE_ACCOUNT')
|
1093 |
|
if not src_account:
|
1094 |
|
src_account = request.user_uniq
|
1095 |
|
src_container, src_name = split_container_object_string(src_object)
|
1096 |
|
src_version = request.META.get('HTTP_X_SOURCE_VERSION')
|
1097 |
|
try:
|
1098 |
|
src_size, src_hashmap = request.backend.get_object_hashmap(request.user_uniq,
|
1099 |
|
src_account, src_container, src_name, src_version)
|
1100 |
|
except NotAllowedError:
|
1101 |
|
raise Forbidden('Not allowed')
|
1102 |
|
except NameError:
|
1103 |
|
raise ItemNotFound('Source object does not exist')
|
1104 |
|
|
1105 |
|
if length is None:
|
1106 |
|
length = src_size
|
1107 |
|
elif length > src_size:
|
1108 |
|
raise BadRequest('Object length is smaller than range length')
|
1109 |
|
else:
|
1110 |
|
# Require either a Content-Length, or 'chunked' Transfer-Encoding.
|
1111 |
|
content_length = -1
|
1112 |
|
if request.META.get('HTTP_TRANSFER_ENCODING') != 'chunked':
|
1113 |
|
content_length = get_content_length(request)
|
1114 |
|
|
1115 |
|
if length is None:
|
1116 |
|
length = content_length
|
1117 |
|
else:
|
1118 |
|
if content_length == -1:
|
1119 |
|
# TODO: Get up to length bytes in chunks.
|
1120 |
|
length = content_length
|
1121 |
|
elif length != content_length:
|
1122 |
|
raise BadRequest('Content length does not match range length')
|
1123 |
|
if total is not None and (total != size or offset >= size or (length > 0 and offset + length >= size)):
|
1124 |
|
raise RangeNotSatisfiable('Supplied range will change provided object limits')
|
1125 |
|
|
1126 |
|
dest_bytes = request.META.get('HTTP_X_OBJECT_BYTES')
|
1127 |
|
if dest_bytes is not None:
|
1128 |
|
dest_bytes = get_int_parameter(dest_bytes)
|
1129 |
|
if dest_bytes is None:
|
1130 |
|
raise BadRequest('Invalid X-Object-Bytes header')
|
1131 |
|
|
1132 |
|
if src_object:
|
1133 |
|
if offset % request.backend.block_size == 0:
|
1134 |
|
# Update the hashes only.
|
1135 |
|
sbi = 0
|
1136 |
|
while length > 0:
|
1137 |
|
bi = int(offset / request.backend.block_size)
|
1138 |
|
bl = min(length, request.backend.block_size)
|
1139 |
|
if bi < len(hashmap):
|
1140 |
|
if bl == request.backend.block_size:
|
1141 |
|
hashmap[bi] = src_hashmap[sbi]
|
1142 |
|
else:
|
1143 |
|
data = request.backend.get_block(src_hashmap[sbi])
|
1144 |
|
hashmap[bi] = request.backend.update_block(hashmap[bi],
|
1145 |
|
data[:bl], 0)
|
1146 |
|
else:
|
1147 |
|
hashmap.append(src_hashmap[sbi])
|
1148 |
|
offset += bl
|
1149 |
|
length -= bl
|
1150 |
|
sbi += 1
|
1151 |
|
else:
|
1152 |
|
data = ''
|
1153 |
|
sbi = 0
|
1154 |
|
while length > 0:
|
1155 |
|
data += request.backend.get_block(src_hashmap[sbi])
|
1156 |
|
if length < request.backend.block_size:
|
1157 |
|
data = data[:length]
|
1158 |
|
bytes = put_object_block(request, hashmap, data, offset)
|
1159 |
|
offset += bytes
|
1160 |
|
data = data[bytes:]
|
1161 |
|
length -= bytes
|
1162 |
|
sbi += 1
|
1163 |
|
else:
|
1164 |
|
data = ''
|
1165 |
|
for d in socket_read_iterator(request, length,
|
1166 |
|
request.backend.block_size):
|
1167 |
|
# TODO: Raise 408 (Request Timeout) if this takes too long.
|
1168 |
|
# TODO: Raise 499 (Client Disconnect) if a length is defined and we stop before getting this much data.
|
1169 |
|
data += d
|
1170 |
|
bytes = put_object_block(request, hashmap, data, offset)
|
1171 |
|
offset += bytes
|
1172 |
|
data = data[bytes:]
|
1173 |
|
if len(data) > 0:
|
1174 |
|
put_object_block(request, hashmap, data, offset)
|
1175 |
|
|
1176 |
|
if offset > size:
|
1177 |
|
size = offset
|
1178 |
|
if dest_bytes is not None and dest_bytes < size:
|
1179 |
|
size = dest_bytes
|
1180 |
|
hashmap = hashmap[:(int((size - 1) / request.backend.block_size) + 1)]
|
1181 |
|
meta.update({'ETag': hashmap_md5(request, hashmap, size)}) # Update ETag.
|
1182 |
|
try:
|
1183 |
|
version_id = request.backend.update_object_hashmap(request.user_uniq,
|
1184 |
|
v_account, v_container, v_object, size, hashmap,
|
1185 |
|
'pithos', meta, replace, permissions)
|
1186 |
|
except NotAllowedError:
|
1187 |
|
raise Forbidden('Not allowed')
|
1188 |
|
except NameError:
|
1189 |
|
raise ItemNotFound('Container does not exist')
|
1190 |
|
except ValueError:
|
1191 |
|
raise BadRequest('Invalid sharing header')
|
1192 |
|
except AttributeError, e:
|
1193 |
|
raise Conflict('\n'.join(e.data) + '\n')
|
1194 |
|
except QuotaError:
|
1195 |
|
raise RequestEntityTooLarge('Quota exceeded')
|
1196 |
|
if public is not None:
|
1197 |
|
try:
|
1198 |
|
request.backend.update_object_public(request.user_uniq, v_account,
|
1199 |
|
v_container, v_object, public)
|
1200 |
|
except NotAllowedError:
|
1201 |
|
raise Forbidden('Not allowed')
|
1202 |
|
except NameError:
|
1203 |
|
raise ItemNotFound('Object does not exist')
|
1204 |
|
|
1205 |
|
response = HttpResponse(status=204)
|
1206 |
|
response['ETag'] = meta['ETag']
|
1207 |
|
response['X-Object-Version'] = version_id
|
1208 |
|
return response
|
1209 |
|
|
1210 |
|
@api_method('DELETE')
|
1211 |
|
def object_delete(request, v_account, v_container, v_object):
|
1212 |
|
# Normal Response Codes: 204
|
1213 |
|
# Error Response Codes: serviceUnavailable (503),
|
1214 |
|
# itemNotFound (404),
|
1215 |
|
# forbidden (403),
|
1216 |
|
# badRequest (400)
|
1217 |
|
|
1218 |
|
until = get_int_parameter(request.GET.get('until'))
|
1219 |
|
try:
|
1220 |
|
request.backend.delete_object(request.user_uniq, v_account, v_container,
|
1221 |
|
v_object, until)
|
1222 |
|
except NotAllowedError:
|
1223 |
|
raise Forbidden('Not allowed')
|
1224 |
|
except NameError:
|
1225 |
|
raise ItemNotFound('Object does not exist')
|
1226 |
|
return HttpResponse(status=204)
|
1227 |
|
|
1228 |
|
@api_method()
|
1229 |
|
def method_not_allowed(request):
|
1230 |
|
raise BadRequest('Method not allowed')
|