root / pithos / api / functions.py @ 4a1c29ea
History | View | Annotate | Download (48.6 kB)
| 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_unicode, smart_str |
| 43 |
from xml.dom import minidom |
| 44 |
|
| 45 |
from pithos.api.faults import (Fault, NotModified, BadRequest, Unauthorized, Forbidden, ItemNotFound, Conflict, |
| 46 |
LengthRequired, PreconditionFailed, RequestEntityTooLarge, RangeNotSatisfiable, UnprocessableEntity) |
| 47 |
from pithos.api.util import (rename_meta_key, format_header_key, printable_header_dict, get_account_headers, |
| 48 |
put_account_headers, get_container_headers, put_container_headers, get_object_headers, put_object_headers, |
| 49 |
update_manifest_meta, update_sharing_meta, update_public_meta, validate_modification_preconditions, |
| 50 |
validate_matching_preconditions, split_container_object_string, copy_or_move_object, |
| 51 |
get_int_parameter, get_content_length, get_content_range, socket_read_iterator, |
| 52 |
object_data_response, put_object_block, hashmap_hash, api_method, json_encode_decimal) |
| 53 |
from pithos.backends.base import NotAllowedError, QuotaError |
| 54 |
|
| 55 |
|
| 56 |
logger = logging.getLogger(__name__) |
| 57 |
|
| 58 |
|
| 59 |
def top_demux(request): |
| 60 |
if request.method == 'GET': |
| 61 |
if getattr(request, 'user', None) is not None: |
| 62 |
return account_list(request)
|
| 63 |
return authenticate(request)
|
| 64 |
else:
|
| 65 |
return method_not_allowed(request)
|
| 66 |
|
| 67 |
def account_demux(request, v_account): |
| 68 |
if request.method == 'HEAD': |
| 69 |
return account_meta(request, v_account)
|
| 70 |
elif request.method == 'POST': |
| 71 |
return account_update(request, v_account)
|
| 72 |
elif request.method == 'GET': |
| 73 |
return container_list(request, v_account)
|
| 74 |
else:
|
| 75 |
return method_not_allowed(request)
|
| 76 |
|
| 77 |
def container_demux(request, v_account, v_container): |
| 78 |
if request.method == 'HEAD': |
| 79 |
return container_meta(request, v_account, v_container)
|
| 80 |
elif request.method == 'PUT': |
| 81 |
return container_create(request, v_account, v_container)
|
| 82 |
elif request.method == 'POST': |
| 83 |
return container_update(request, v_account, v_container)
|
| 84 |
elif request.method == 'DELETE': |
| 85 |
return container_delete(request, v_account, v_container)
|
| 86 |
elif request.method == 'GET': |
| 87 |
return object_list(request, v_account, v_container)
|
| 88 |
else:
|
| 89 |
return method_not_allowed(request)
|
| 90 |
|
| 91 |
def object_demux(request, v_account, v_container, v_object): |
| 92 |
if request.method == 'HEAD': |
| 93 |
return object_meta(request, v_account, v_container, v_object)
|
| 94 |
elif request.method == 'GET': |
| 95 |
return object_read(request, v_account, v_container, v_object)
|
| 96 |
elif request.method == 'PUT': |
| 97 |
return object_write(request, v_account, v_container, v_object)
|
| 98 |
elif request.method == 'COPY': |
| 99 |
return object_copy(request, v_account, v_container, v_object)
|
| 100 |
elif request.method == 'MOVE': |
| 101 |
return object_move(request, v_account, v_container, v_object)
|
| 102 |
elif request.method == 'POST': |
| 103 |
if request.META.get('CONTENT_TYPE', '').startswith('multipart/form-data'): |
| 104 |
return object_write_form(request, v_account, v_container, v_object)
|
| 105 |
return object_update(request, v_account, v_container, v_object)
|
| 106 |
elif request.method == 'DELETE': |
| 107 |
return object_delete(request, v_account, v_container, v_object)
|
| 108 |
else:
|
| 109 |
return method_not_allowed(request)
|
| 110 |
|
| 111 |
@api_method('GET', user_required=False) |
| 112 |
def authenticate(request): |
| 113 |
# Normal Response Codes: 204
|
| 114 |
# Error Response Codes: serviceUnavailable (503),
|
| 115 |
# forbidden (403),
|
| 116 |
# badRequest (400)
|
| 117 |
|
| 118 |
x_auth_user = request.META.get('HTTP_X_AUTH_USER')
|
| 119 |
x_auth_key = request.META.get('HTTP_X_AUTH_KEY')
|
| 120 |
if not x_auth_user or not x_auth_key: |
| 121 |
raise BadRequest('Missing X-Auth-User or X-Auth-Key header') |
| 122 |
response = HttpResponse(status=204)
|
| 123 |
|
| 124 |
uri = request.build_absolute_uri() |
| 125 |
if '?' in uri: |
| 126 |
uri = uri[:uri.find('?')]
|
| 127 |
|
| 128 |
response['X-Auth-Token'] = x_auth_key
|
| 129 |
response['X-Storage-Url'] = uri + (uri.endswith('/') and '' or '/') + x_auth_user |
| 130 |
return response
|
| 131 |
|
| 132 |
@api_method('GET', format_allowed=True) |
| 133 |
def account_list(request): |
| 134 |
# Normal Response Codes: 200, 204
|
| 135 |
# Error Response Codes: serviceUnavailable (503),
|
| 136 |
# badRequest (400)
|
| 137 |
|
| 138 |
response = HttpResponse() |
| 139 |
|
| 140 |
marker = request.GET.get('marker')
|
| 141 |
limit = get_int_parameter(request.GET.get('limit'))
|
| 142 |
if not limit: |
| 143 |
limit = 10000
|
| 144 |
|
| 145 |
accounts = request.backend.list_accounts(request.user_uniq, marker, limit) |
| 146 |
|
| 147 |
if request.serialization == 'text': |
| 148 |
if len(accounts) == 0: |
| 149 |
# The cloudfiles python bindings expect 200 if json/xml.
|
| 150 |
response.status_code = 204
|
| 151 |
return response
|
| 152 |
response.status_code = 200
|
| 153 |
response.content = '\n'.join(accounts) + '\n' |
| 154 |
return response
|
| 155 |
|
| 156 |
account_meta = [] |
| 157 |
for x in accounts: |
| 158 |
try:
|
| 159 |
meta = request.backend.get_account_meta(request.user_uniq, x) |
| 160 |
groups = request.backend.get_account_groups(request.user_uniq, x) |
| 161 |
except NotAllowedError:
|
| 162 |
raise Forbidden('Not allowed') |
| 163 |
else:
|
| 164 |
rename_meta_key(meta, 'modified', 'last_modified') |
| 165 |
rename_meta_key(meta, 'until_timestamp', 'x_account_until_timestamp') |
| 166 |
for k, v in groups.iteritems(): |
| 167 |
meta['X-Container-Group-' + k] = ','.join(v) |
| 168 |
account_meta.append(printable_header_dict(meta)) |
| 169 |
if request.serialization == 'xml': |
| 170 |
data = render_to_string('accounts.xml', {'accounts': account_meta}) |
| 171 |
elif request.serialization == 'json': |
| 172 |
data = json.dumps(account_meta) |
| 173 |
response.status_code = 200
|
| 174 |
response.content = data |
| 175 |
return response
|
| 176 |
|
| 177 |
@api_method('HEAD') |
| 178 |
def account_meta(request, v_account): |
| 179 |
# Normal Response Codes: 204
|
| 180 |
# Error Response Codes: serviceUnavailable (503),
|
| 181 |
# forbidden (403),
|
| 182 |
# badRequest (400)
|
| 183 |
|
| 184 |
until = get_int_parameter(request.GET.get('until'))
|
| 185 |
try:
|
| 186 |
meta = request.backend.get_account_meta(request.user_uniq, v_account, until) |
| 187 |
groups = request.backend.get_account_groups(request.user_uniq, v_account) |
| 188 |
policy = request.backend.get_account_policy(request.user_uniq, v_account) |
| 189 |
except NotAllowedError:
|
| 190 |
raise Forbidden('Not allowed') |
| 191 |
|
| 192 |
validate_modification_preconditions(request, meta) |
| 193 |
|
| 194 |
response = HttpResponse(status=204)
|
| 195 |
put_account_headers(response, meta, groups, policy) |
| 196 |
return response
|
| 197 |
|
| 198 |
@api_method('POST') |
| 199 |
def account_update(request, v_account): |
| 200 |
# Normal Response Codes: 202
|
| 201 |
# Error Response Codes: serviceUnavailable (503),
|
| 202 |
# forbidden (403),
|
| 203 |
# badRequest (400)
|
| 204 |
|
| 205 |
meta, groups = get_account_headers(request) |
| 206 |
replace = True
|
| 207 |
if 'update' in request.GET: |
| 208 |
replace = False
|
| 209 |
if groups:
|
| 210 |
try:
|
| 211 |
request.backend.update_account_groups(request.user_uniq, v_account, |
| 212 |
groups, replace) |
| 213 |
except NotAllowedError:
|
| 214 |
raise Forbidden('Not allowed') |
| 215 |
except ValueError: |
| 216 |
raise BadRequest('Invalid groups header') |
| 217 |
if meta or replace: |
| 218 |
try:
|
| 219 |
request.backend.update_account_meta(request.user_uniq, v_account, meta, |
| 220 |
replace) |
| 221 |
except NotAllowedError:
|
| 222 |
raise Forbidden('Not allowed') |
| 223 |
return HttpResponse(status=202) |
| 224 |
|
| 225 |
@api_method('GET', format_allowed=True) |
| 226 |
def container_list(request, v_account): |
| 227 |
# Normal Response Codes: 200, 204
|
| 228 |
# Error Response Codes: serviceUnavailable (503),
|
| 229 |
# itemNotFound (404),
|
| 230 |
# forbidden (403),
|
| 231 |
# badRequest (400)
|
| 232 |
|
| 233 |
until = get_int_parameter(request.GET.get('until'))
|
| 234 |
try:
|
| 235 |
meta = request.backend.get_account_meta(request.user_uniq, v_account, until) |
| 236 |
groups = request.backend.get_account_groups(request.user_uniq, v_account) |
| 237 |
policy = request.backend.get_account_policy(request.user_uniq, v_account) |
| 238 |
except NotAllowedError:
|
| 239 |
raise Forbidden('Not allowed') |
| 240 |
|
| 241 |
validate_modification_preconditions(request, meta) |
| 242 |
|
| 243 |
response = HttpResponse() |
| 244 |
put_account_headers(response, meta, groups, policy) |
| 245 |
|
| 246 |
marker = request.GET.get('marker')
|
| 247 |
limit = get_int_parameter(request.GET.get('limit'))
|
| 248 |
if not limit: |
| 249 |
limit = 10000
|
| 250 |
|
| 251 |
shared = False
|
| 252 |
if 'shared' in request.GET: |
| 253 |
shared = True
|
| 254 |
|
| 255 |
try:
|
| 256 |
containers = request.backend.list_containers(request.user_uniq, v_account, |
| 257 |
marker, limit, shared, until) |
| 258 |
except NotAllowedError:
|
| 259 |
raise Forbidden('Not allowed') |
| 260 |
except NameError: |
| 261 |
containers = [] |
| 262 |
|
| 263 |
if request.serialization == 'text': |
| 264 |
if len(containers) == 0: |
| 265 |
# The cloudfiles python bindings expect 200 if json/xml.
|
| 266 |
response.status_code = 204
|
| 267 |
return response
|
| 268 |
response.status_code = 200
|
| 269 |
response.content = '\n'.join(containers) + '\n' |
| 270 |
return response
|
| 271 |
|
| 272 |
container_meta = [] |
| 273 |
for x in containers: |
| 274 |
try:
|
| 275 |
meta = request.backend.get_container_meta(request.user_uniq, v_account, |
| 276 |
x, until) |
| 277 |
policy = request.backend.get_container_policy(request.user_uniq, |
| 278 |
v_account, x) |
| 279 |
except NotAllowedError:
|
| 280 |
raise Forbidden('Not allowed') |
| 281 |
except NameError: |
| 282 |
pass
|
| 283 |
else:
|
| 284 |
rename_meta_key(meta, 'modified', 'last_modified') |
| 285 |
rename_meta_key(meta, 'until_timestamp', 'x_container_until_timestamp') |
| 286 |
for k, v in policy.iteritems(): |
| 287 |
meta['X-Container-Policy-' + k] = v
|
| 288 |
container_meta.append(printable_header_dict(meta)) |
| 289 |
if request.serialization == 'xml': |
| 290 |
data = render_to_string('containers.xml', {'account': v_account, 'containers': container_meta}) |
| 291 |
elif request.serialization == 'json': |
| 292 |
data = json.dumps(container_meta) |
| 293 |
response.status_code = 200
|
| 294 |
response.content = data |
| 295 |
return response
|
| 296 |
|
| 297 |
@api_method('HEAD') |
| 298 |
def container_meta(request, v_account, v_container): |
| 299 |
# Normal Response Codes: 204
|
| 300 |
# Error Response Codes: serviceUnavailable (503),
|
| 301 |
# itemNotFound (404),
|
| 302 |
# forbidden (403),
|
| 303 |
# badRequest (400)
|
| 304 |
|
| 305 |
until = get_int_parameter(request.GET.get('until'))
|
| 306 |
try:
|
| 307 |
meta = request.backend.get_container_meta(request.user_uniq, v_account, |
| 308 |
v_container, until) |
| 309 |
meta['object_meta'] = request.backend.list_object_meta(request.user_uniq,
|
| 310 |
v_account, v_container, until) |
| 311 |
policy = request.backend.get_container_policy(request.user_uniq, v_account, |
| 312 |
v_container) |
| 313 |
except NotAllowedError:
|
| 314 |
raise Forbidden('Not allowed') |
| 315 |
except NameError: |
| 316 |
raise ItemNotFound('Container does not exist') |
| 317 |
|
| 318 |
validate_modification_preconditions(request, meta) |
| 319 |
|
| 320 |
response = HttpResponse(status=204)
|
| 321 |
put_container_headers(request, response, meta, policy) |
| 322 |
return response
|
| 323 |
|
| 324 |
@api_method('PUT') |
| 325 |
def container_create(request, v_account, v_container): |
| 326 |
# Normal Response Codes: 201, 202
|
| 327 |
# Error Response Codes: serviceUnavailable (503),
|
| 328 |
# itemNotFound (404),
|
| 329 |
# forbidden (403),
|
| 330 |
# badRequest (400)
|
| 331 |
|
| 332 |
meta, policy = get_container_headers(request) |
| 333 |
|
| 334 |
try:
|
| 335 |
request.backend.put_container(request.user_uniq, v_account, v_container, policy) |
| 336 |
ret = 201
|
| 337 |
except NotAllowedError:
|
| 338 |
raise Forbidden('Not allowed') |
| 339 |
except ValueError: |
| 340 |
raise BadRequest('Invalid policy header') |
| 341 |
except NameError: |
| 342 |
ret = 202
|
| 343 |
|
| 344 |
if ret == 202 and policy: |
| 345 |
try:
|
| 346 |
request.backend.update_container_policy(request.user_uniq, v_account, |
| 347 |
v_container, policy, replace=False)
|
| 348 |
except NotAllowedError:
|
| 349 |
raise Forbidden('Not allowed') |
| 350 |
except NameError: |
| 351 |
raise ItemNotFound('Container does not exist') |
| 352 |
except ValueError: |
| 353 |
raise BadRequest('Invalid policy header') |
| 354 |
if meta:
|
| 355 |
try:
|
| 356 |
request.backend.update_container_meta(request.user_uniq, v_account, |
| 357 |
v_container, meta, replace=False)
|
| 358 |
except NotAllowedError:
|
| 359 |
raise Forbidden('Not allowed') |
| 360 |
except NameError: |
| 361 |
raise ItemNotFound('Container does not exist') |
| 362 |
|
| 363 |
return HttpResponse(status=ret)
|
| 364 |
|
| 365 |
@api_method('POST') |
| 366 |
def container_update(request, v_account, v_container): |
| 367 |
# Normal Response Codes: 202
|
| 368 |
# Error Response Codes: serviceUnavailable (503),
|
| 369 |
# itemNotFound (404),
|
| 370 |
# forbidden (403),
|
| 371 |
# badRequest (400)
|
| 372 |
|
| 373 |
meta, policy = get_container_headers(request) |
| 374 |
replace = True
|
| 375 |
if 'update' in request.GET: |
| 376 |
replace = False
|
| 377 |
if policy:
|
| 378 |
try:
|
| 379 |
request.backend.update_container_policy(request.user_uniq, v_account, |
| 380 |
v_container, policy, replace) |
| 381 |
except NotAllowedError:
|
| 382 |
raise Forbidden('Not allowed') |
| 383 |
except NameError: |
| 384 |
raise ItemNotFound('Container does not exist') |
| 385 |
except ValueError: |
| 386 |
raise BadRequest('Invalid policy header') |
| 387 |
if meta or replace: |
| 388 |
try:
|
| 389 |
request.backend.update_container_meta(request.user_uniq, v_account, |
| 390 |
v_container, meta, replace) |
| 391 |
except NotAllowedError:
|
| 392 |
raise Forbidden('Not allowed') |
| 393 |
except NameError: |
| 394 |
raise ItemNotFound('Container does not exist') |
| 395 |
|
| 396 |
content_length = -1
|
| 397 |
if request.META.get('HTTP_TRANSFER_ENCODING') != 'chunked': |
| 398 |
content_length = get_int_parameter(request.META.get('CONTENT_LENGTH', 0)) |
| 399 |
content_type = request.META.get('CONTENT_TYPE')
|
| 400 |
hashmap = [] |
| 401 |
if content_type and content_type == 'application/octet-stream' and content_length != 0: |
| 402 |
for data in socket_read_iterator(request, content_length, |
| 403 |
request.backend.block_size): |
| 404 |
# TODO: Raise 408 (Request Timeout) if this takes too long.
|
| 405 |
# TODO: Raise 499 (Client Disconnect) if a length is defined and we stop before getting this much data.
|
| 406 |
hashmap.append(request.backend.put_block(data)) |
| 407 |
|
| 408 |
response = HttpResponse(status=202)
|
| 409 |
if hashmap:
|
| 410 |
response.content = '\n'.join(hashmap) + '\n' |
| 411 |
return response
|
| 412 |
|
| 413 |
@api_method('DELETE') |
| 414 |
def container_delete(request, v_account, v_container): |
| 415 |
# Normal Response Codes: 204
|
| 416 |
# Error Response Codes: serviceUnavailable (503),
|
| 417 |
# conflict (409),
|
| 418 |
# itemNotFound (404),
|
| 419 |
# forbidden (403),
|
| 420 |
# badRequest (400)
|
| 421 |
|
| 422 |
until = get_int_parameter(request.GET.get('until'))
|
| 423 |
try:
|
| 424 |
request.backend.delete_container(request.user_uniq, v_account, v_container, |
| 425 |
until) |
| 426 |
except NotAllowedError:
|
| 427 |
raise Forbidden('Not allowed') |
| 428 |
except NameError: |
| 429 |
raise ItemNotFound('Container does not exist') |
| 430 |
except IndexError: |
| 431 |
raise Conflict('Container is not empty') |
| 432 |
return HttpResponse(status=204) |
| 433 |
|
| 434 |
@api_method('GET', format_allowed=True) |
| 435 |
def object_list(request, v_account, v_container): |
| 436 |
# Normal Response Codes: 200, 204
|
| 437 |
# Error Response Codes: serviceUnavailable (503),
|
| 438 |
# itemNotFound (404),
|
| 439 |
# forbidden (403),
|
| 440 |
# badRequest (400)
|
| 441 |
|
| 442 |
until = get_int_parameter(request.GET.get('until'))
|
| 443 |
try:
|
| 444 |
meta = request.backend.get_container_meta(request.user_uniq, v_account, |
| 445 |
v_container, until) |
| 446 |
meta['object_meta'] = request.backend.list_object_meta(request.user_uniq,
|
| 447 |
v_account, v_container, until) |
| 448 |
policy = request.backend.get_container_policy(request.user_uniq, v_account, |
| 449 |
v_container) |
| 450 |
except NotAllowedError:
|
| 451 |
raise Forbidden('Not allowed') |
| 452 |
except NameError: |
| 453 |
raise ItemNotFound('Container does not exist') |
| 454 |
|
| 455 |
validate_modification_preconditions(request, meta) |
| 456 |
|
| 457 |
response = HttpResponse() |
| 458 |
put_container_headers(request, response, meta, policy) |
| 459 |
|
| 460 |
path = request.GET.get('path')
|
| 461 |
prefix = request.GET.get('prefix')
|
| 462 |
delimiter = request.GET.get('delimiter')
|
| 463 |
|
| 464 |
# Path overrides prefix and delimiter.
|
| 465 |
virtual = True
|
| 466 |
if path:
|
| 467 |
prefix = path |
| 468 |
delimiter = '/'
|
| 469 |
virtual = False
|
| 470 |
|
| 471 |
# Naming policy.
|
| 472 |
if prefix and delimiter: |
| 473 |
prefix = prefix + delimiter |
| 474 |
if not prefix: |
| 475 |
prefix = ''
|
| 476 |
prefix = prefix.lstrip('/')
|
| 477 |
|
| 478 |
marker = request.GET.get('marker')
|
| 479 |
limit = get_int_parameter(request.GET.get('limit'))
|
| 480 |
if not limit: |
| 481 |
limit = 10000
|
| 482 |
|
| 483 |
keys = request.GET.get('meta')
|
| 484 |
if keys:
|
| 485 |
keys = keys.split(',')
|
| 486 |
l = [smart_str(x) for x in keys if x.strip() != ''] |
| 487 |
keys = [format_header_key('X-Object-Meta-' + x.strip()) for x in l] |
| 488 |
else:
|
| 489 |
keys = [] |
| 490 |
|
| 491 |
shared = False
|
| 492 |
if 'shared' in request.GET: |
| 493 |
shared = True
|
| 494 |
|
| 495 |
try:
|
| 496 |
objects = request.backend.list_objects(request.user_uniq, v_account, |
| 497 |
v_container, prefix, delimiter, marker, |
| 498 |
limit, virtual, keys, shared, until) |
| 499 |
except NotAllowedError:
|
| 500 |
raise Forbidden('Not allowed') |
| 501 |
except NameError: |
| 502 |
raise ItemNotFound('Container does not exist') |
| 503 |
|
| 504 |
if request.serialization == 'text': |
| 505 |
if len(objects) == 0: |
| 506 |
# The cloudfiles python bindings expect 200 if json/xml.
|
| 507 |
response.status_code = 204
|
| 508 |
return response
|
| 509 |
response.status_code = 200
|
| 510 |
response.content = '\n'.join([x[0] for x in objects]) + '\n' |
| 511 |
return response
|
| 512 |
|
| 513 |
object_meta = [] |
| 514 |
for x in objects: |
| 515 |
if x[1] is None: |
| 516 |
# Virtual objects/directories.
|
| 517 |
object_meta.append({'subdir': x[0]})
|
| 518 |
else:
|
| 519 |
try:
|
| 520 |
meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 521 |
v_container, x[0], x[1]) |
| 522 |
if until is None: |
| 523 |
permissions = request.backend.get_object_permissions( |
| 524 |
request.user_uniq, v_account, v_container, x[0])
|
| 525 |
public = request.backend.get_object_public(request.user_uniq, |
| 526 |
v_account, v_container, x[0])
|
| 527 |
else:
|
| 528 |
permissions = None
|
| 529 |
public = None
|
| 530 |
except NotAllowedError:
|
| 531 |
raise Forbidden('Not allowed') |
| 532 |
except NameError: |
| 533 |
pass
|
| 534 |
else:
|
| 535 |
rename_meta_key(meta, 'hash', 'x_object_hash') # Will be replaced by ETag. |
| 536 |
rename_meta_key(meta, 'ETag', 'hash') |
| 537 |
rename_meta_key(meta, 'modified', 'last_modified') |
| 538 |
rename_meta_key(meta, 'modified_by', 'x_object_modified_by') |
| 539 |
rename_meta_key(meta, 'version', 'x_object_version') |
| 540 |
rename_meta_key(meta, 'version_timestamp', 'x_object_version_timestamp') |
| 541 |
update_sharing_meta(request, permissions, v_account, v_container, x[0], meta)
|
| 542 |
update_public_meta(public, meta) |
| 543 |
object_meta.append(printable_header_dict(meta)) |
| 544 |
if request.serialization == 'xml': |
| 545 |
data = render_to_string('objects.xml', {'container': v_container, 'objects': object_meta}) |
| 546 |
elif request.serialization == 'json': |
| 547 |
data = json.dumps(object_meta, default=json_encode_decimal) |
| 548 |
response.status_code = 200
|
| 549 |
response.content = data |
| 550 |
return response
|
| 551 |
|
| 552 |
@api_method('HEAD') |
| 553 |
def object_meta(request, v_account, v_container, v_object): |
| 554 |
# Normal Response Codes: 204
|
| 555 |
# Error Response Codes: serviceUnavailable (503),
|
| 556 |
# itemNotFound (404),
|
| 557 |
# forbidden (403),
|
| 558 |
# badRequest (400)
|
| 559 |
|
| 560 |
version = request.GET.get('version')
|
| 561 |
try:
|
| 562 |
meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 563 |
v_container, v_object, version) |
| 564 |
if version is None: |
| 565 |
permissions = request.backend.get_object_permissions(request.user_uniq, |
| 566 |
v_account, v_container, v_object) |
| 567 |
public = request.backend.get_object_public(request.user_uniq, v_account, |
| 568 |
v_container, v_object) |
| 569 |
else:
|
| 570 |
permissions = None
|
| 571 |
public = None
|
| 572 |
except NotAllowedError:
|
| 573 |
raise Forbidden('Not allowed') |
| 574 |
except NameError: |
| 575 |
raise ItemNotFound('Object does not exist') |
| 576 |
except IndexError: |
| 577 |
raise ItemNotFound('Version does not exist') |
| 578 |
|
| 579 |
update_manifest_meta(request, v_account, meta) |
| 580 |
update_sharing_meta(request, permissions, v_account, v_container, v_object, meta) |
| 581 |
update_public_meta(public, meta) |
| 582 |
|
| 583 |
# Evaluate conditions.
|
| 584 |
validate_modification_preconditions(request, meta) |
| 585 |
try:
|
| 586 |
validate_matching_preconditions(request, meta) |
| 587 |
except NotModified:
|
| 588 |
response = HttpResponse(status=304)
|
| 589 |
response['ETag'] = meta['ETag'] |
| 590 |
return response
|
| 591 |
|
| 592 |
response = HttpResponse(status=200)
|
| 593 |
put_object_headers(response, meta) |
| 594 |
return response
|
| 595 |
|
| 596 |
@api_method('GET', format_allowed=True) |
| 597 |
def object_read(request, v_account, v_container, v_object): |
| 598 |
# Normal Response Codes: 200, 206
|
| 599 |
# Error Response Codes: serviceUnavailable (503),
|
| 600 |
# rangeNotSatisfiable (416),
|
| 601 |
# preconditionFailed (412),
|
| 602 |
# itemNotFound (404),
|
| 603 |
# forbidden (403),
|
| 604 |
# badRequest (400),
|
| 605 |
# notModified (304)
|
| 606 |
|
| 607 |
version = request.GET.get('version')
|
| 608 |
|
| 609 |
# Reply with the version list. Do this first, as the object may be deleted.
|
| 610 |
if version == 'list': |
| 611 |
if request.serialization == 'text': |
| 612 |
raise BadRequest('No format specified for version list.') |
| 613 |
|
| 614 |
try:
|
| 615 |
v = request.backend.list_versions(request.user_uniq, v_account, |
| 616 |
v_container, v_object) |
| 617 |
except NotAllowedError:
|
| 618 |
raise Forbidden('Not allowed') |
| 619 |
d = {'versions': v}
|
| 620 |
if request.serialization == 'xml': |
| 621 |
d['object'] = v_object
|
| 622 |
data = render_to_string('versions.xml', d)
|
| 623 |
elif request.serialization == 'json': |
| 624 |
data = json.dumps(d, default=json_encode_decimal) |
| 625 |
|
| 626 |
response = HttpResponse(data, status=200)
|
| 627 |
response['Content-Length'] = len(data) |
| 628 |
return response
|
| 629 |
|
| 630 |
try:
|
| 631 |
meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 632 |
v_container, v_object, version) |
| 633 |
if version is None: |
| 634 |
permissions = request.backend.get_object_permissions(request.user_uniq, |
| 635 |
v_account, v_container, v_object) |
| 636 |
public = request.backend.get_object_public(request.user_uniq, v_account, |
| 637 |
v_container, v_object) |
| 638 |
else:
|
| 639 |
permissions = None
|
| 640 |
public = None
|
| 641 |
except NotAllowedError:
|
| 642 |
raise Forbidden('Not allowed') |
| 643 |
except NameError: |
| 644 |
raise ItemNotFound('Object does not exist') |
| 645 |
except IndexError: |
| 646 |
raise ItemNotFound('Version does not exist') |
| 647 |
|
| 648 |
update_manifest_meta(request, v_account, meta) |
| 649 |
update_sharing_meta(request, permissions, v_account, v_container, v_object, meta) |
| 650 |
update_public_meta(public, meta) |
| 651 |
|
| 652 |
# Evaluate conditions.
|
| 653 |
validate_modification_preconditions(request, meta) |
| 654 |
try:
|
| 655 |
validate_matching_preconditions(request, meta) |
| 656 |
except NotModified:
|
| 657 |
response = HttpResponse(status=304)
|
| 658 |
response['ETag'] = meta['ETag'] |
| 659 |
return response
|
| 660 |
|
| 661 |
sizes = [] |
| 662 |
hashmaps = [] |
| 663 |
if 'X-Object-Manifest' in meta: |
| 664 |
try:
|
| 665 |
src_container, src_name = split_container_object_string('/' + meta['X-Object-Manifest']) |
| 666 |
objects = request.backend.list_objects(request.user_uniq, v_account, |
| 667 |
src_container, prefix=src_name, virtual=False)
|
| 668 |
except NotAllowedError:
|
| 669 |
raise Forbidden('Not allowed') |
| 670 |
except ValueError: |
| 671 |
raise BadRequest('Invalid X-Object-Manifest header') |
| 672 |
except NameError: |
| 673 |
raise ItemNotFound('Container does not exist') |
| 674 |
|
| 675 |
try:
|
| 676 |
for x in objects: |
| 677 |
s, h = request.backend.get_object_hashmap(request.user_uniq, |
| 678 |
v_account, src_container, x[0], x[1]) |
| 679 |
sizes.append(s) |
| 680 |
hashmaps.append(h) |
| 681 |
except NotAllowedError:
|
| 682 |
raise Forbidden('Not allowed') |
| 683 |
except NameError: |
| 684 |
raise ItemNotFound('Object does not exist') |
| 685 |
except IndexError: |
| 686 |
raise ItemNotFound('Version does not exist') |
| 687 |
else:
|
| 688 |
try:
|
| 689 |
s, h = request.backend.get_object_hashmap(request.user_uniq, v_account, |
| 690 |
v_container, v_object, version) |
| 691 |
sizes.append(s) |
| 692 |
hashmaps.append(h) |
| 693 |
except NotAllowedError:
|
| 694 |
raise Forbidden('Not allowed') |
| 695 |
except NameError: |
| 696 |
raise ItemNotFound('Object does not exist') |
| 697 |
except IndexError: |
| 698 |
raise ItemNotFound('Version does not exist') |
| 699 |
|
| 700 |
# Reply with the hashmap.
|
| 701 |
if 'hashmap' in request.GET and request.serialization != 'text': |
| 702 |
size = sum(sizes)
|
| 703 |
hashmap = sum(hashmaps, [])
|
| 704 |
d = {
|
| 705 |
'block_size': request.backend.block_size,
|
| 706 |
'block_hash': request.backend.hash_algorithm,
|
| 707 |
'bytes': size,
|
| 708 |
'hashes': hashmap}
|
| 709 |
if request.serialization == 'xml': |
| 710 |
d['object'] = v_object
|
| 711 |
data = render_to_string('hashes.xml', d)
|
| 712 |
elif request.serialization == 'json': |
| 713 |
data = json.dumps(d) |
| 714 |
|
| 715 |
response = HttpResponse(data, status=200)
|
| 716 |
put_object_headers(response, meta) |
| 717 |
response['Content-Length'] = len(data) |
| 718 |
return response
|
| 719 |
|
| 720 |
request.serialization = 'text' # Unset. |
| 721 |
return object_data_response(request, sizes, hashmaps, meta)
|
| 722 |
|
| 723 |
@api_method('PUT', format_allowed=True) |
| 724 |
def object_write(request, v_account, v_container, v_object): |
| 725 |
# Normal Response Codes: 201
|
| 726 |
# Error Response Codes: serviceUnavailable (503),
|
| 727 |
# unprocessableEntity (422),
|
| 728 |
# lengthRequired (411),
|
| 729 |
# conflict (409),
|
| 730 |
# itemNotFound (404),
|
| 731 |
# forbidden (403),
|
| 732 |
# badRequest (400)
|
| 733 |
|
| 734 |
# Evaluate conditions.
|
| 735 |
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'): |
| 736 |
try:
|
| 737 |
meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 738 |
v_container, v_object) |
| 739 |
except NotAllowedError:
|
| 740 |
raise Forbidden('Not allowed') |
| 741 |
except NameError: |
| 742 |
meta = {}
|
| 743 |
validate_matching_preconditions(request, meta) |
| 744 |
|
| 745 |
copy_from = smart_unicode(request.META.get('HTTP_X_COPY_FROM'), strings_only=True) |
| 746 |
move_from = smart_unicode(request.META.get('HTTP_X_MOVE_FROM'), strings_only=True) |
| 747 |
if copy_from or move_from: |
| 748 |
content_length = get_content_length(request) # Required by the API.
|
| 749 |
|
| 750 |
src_account = smart_unicode(request.META.get('HTTP_X_SOURCE_ACCOUNT'), strings_only=True) |
| 751 |
if not src_account: |
| 752 |
src_account = request.user_uniq |
| 753 |
if move_from:
|
| 754 |
try:
|
| 755 |
src_container, src_name = split_container_object_string(move_from) |
| 756 |
except ValueError: |
| 757 |
raise BadRequest('Invalid X-Move-From header') |
| 758 |
version_id = copy_or_move_object(request, src_account, src_container, src_name, |
| 759 |
v_account, v_container, v_object, move=True)
|
| 760 |
else:
|
| 761 |
try:
|
| 762 |
src_container, src_name = split_container_object_string(copy_from) |
| 763 |
except ValueError: |
| 764 |
raise BadRequest('Invalid X-Copy-From header') |
| 765 |
version_id = copy_or_move_object(request, src_account, src_container, src_name, |
| 766 |
v_account, v_container, v_object, move=False)
|
| 767 |
response = HttpResponse(status=201)
|
| 768 |
response['X-Object-Version'] = version_id
|
| 769 |
return response
|
| 770 |
|
| 771 |
meta, permissions, public = get_object_headers(request) |
| 772 |
content_length = -1
|
| 773 |
if request.META.get('HTTP_TRANSFER_ENCODING') != 'chunked': |
| 774 |
content_length = get_content_length(request) |
| 775 |
# Should be BadRequest, but API says otherwise.
|
| 776 |
if 'Content-Type' not in meta: |
| 777 |
raise LengthRequired('Missing Content-Type header') |
| 778 |
|
| 779 |
if 'hashmap' in request.GET: |
| 780 |
if request.serialization not in ('json', 'xml'): |
| 781 |
raise BadRequest('Invalid hashmap format') |
| 782 |
|
| 783 |
data = ''
|
| 784 |
for block in socket_read_iterator(request, content_length, |
| 785 |
request.backend.block_size): |
| 786 |
data = '%s%s' % (data, block)
|
| 787 |
|
| 788 |
if request.serialization == 'json': |
| 789 |
d = json.loads(data) |
| 790 |
if not hasattr(d, '__getitem__'): |
| 791 |
raise BadRequest('Invalid data formating') |
| 792 |
try:
|
| 793 |
hashmap = d['hashes']
|
| 794 |
size = int(d['bytes']) |
| 795 |
except:
|
| 796 |
raise BadRequest('Invalid data formatting') |
| 797 |
elif request.serialization == 'xml': |
| 798 |
try:
|
| 799 |
xml = minidom.parseString(data) |
| 800 |
obj = xml.getElementsByTagName('object')[0] |
| 801 |
size = int(obj.attributes['bytes'].value) |
| 802 |
|
| 803 |
hashes = xml.getElementsByTagName('hash')
|
| 804 |
hashmap = [] |
| 805 |
for hash in hashes: |
| 806 |
hashmap.append(hash.firstChild.data)
|
| 807 |
except:
|
| 808 |
raise BadRequest('Invalid data formatting') |
| 809 |
|
| 810 |
meta.update({'ETag': hashmap_hash(request, hashmap)}) # Update ETag.
|
| 811 |
else:
|
| 812 |
md5 = hashlib.md5() |
| 813 |
size = 0
|
| 814 |
hashmap = [] |
| 815 |
for data in socket_read_iterator(request, content_length, |
| 816 |
request.backend.block_size): |
| 817 |
# TODO: Raise 408 (Request Timeout) if this takes too long.
|
| 818 |
# TODO: Raise 499 (Client Disconnect) if a length is defined and we stop before getting this much data.
|
| 819 |
size += len(data)
|
| 820 |
hashmap.append(request.backend.put_block(data)) |
| 821 |
md5.update(data) |
| 822 |
|
| 823 |
meta['ETag'] = md5.hexdigest().lower()
|
| 824 |
etag = request.META.get('HTTP_ETAG')
|
| 825 |
if etag and parse_etags(etag)[0].lower() != meta['ETag']: |
| 826 |
raise UnprocessableEntity('Object ETag does not match') |
| 827 |
|
| 828 |
try:
|
| 829 |
version_id = request.backend.update_object_hashmap(request.user_uniq, |
| 830 |
v_account, v_container, v_object, size, hashmap, meta, |
| 831 |
True, permissions)
|
| 832 |
except NotAllowedError:
|
| 833 |
raise Forbidden('Not allowed') |
| 834 |
except IndexError, e: |
| 835 |
raise Conflict('\n'.join(e.data) + '\n') |
| 836 |
except NameError: |
| 837 |
raise ItemNotFound('Container does not exist') |
| 838 |
except ValueError: |
| 839 |
raise BadRequest('Invalid sharing header') |
| 840 |
except AttributeError, e: |
| 841 |
raise Conflict('\n'.join(e.data) + '\n') |
| 842 |
except QuotaError:
|
| 843 |
raise RequestEntityTooLarge('Quota exceeded') |
| 844 |
if public is not None: |
| 845 |
try:
|
| 846 |
request.backend.update_object_public(request.user_uniq, v_account, |
| 847 |
v_container, v_object, public) |
| 848 |
except NotAllowedError:
|
| 849 |
raise Forbidden('Not allowed') |
| 850 |
except NameError: |
| 851 |
raise ItemNotFound('Object does not exist') |
| 852 |
|
| 853 |
response = HttpResponse(status=201)
|
| 854 |
response['ETag'] = meta['ETag'] |
| 855 |
response['X-Object-Version'] = version_id
|
| 856 |
return response
|
| 857 |
|
| 858 |
@api_method('POST') |
| 859 |
def object_write_form(request, v_account, v_container, v_object): |
| 860 |
# Normal Response Codes: 201
|
| 861 |
# Error Response Codes: serviceUnavailable (503),
|
| 862 |
# itemNotFound (404),
|
| 863 |
# forbidden (403),
|
| 864 |
# badRequest (400)
|
| 865 |
|
| 866 |
if not request.FILES.has_key('X-Object-Data'): |
| 867 |
raise BadRequest('Missing X-Object-Data field') |
| 868 |
file = request.FILES['X-Object-Data']
|
| 869 |
|
| 870 |
meta = {}
|
| 871 |
meta['Content-Type'] = file.content_type |
| 872 |
|
| 873 |
md5 = hashlib.md5() |
| 874 |
size = 0
|
| 875 |
hashmap = [] |
| 876 |
for data in file.chunks(request.backend.block_size): |
| 877 |
size += len(data)
|
| 878 |
hashmap.append(request.backend.put_block(data)) |
| 879 |
md5.update(data) |
| 880 |
|
| 881 |
meta['ETag'] = md5.hexdigest().lower()
|
| 882 |
|
| 883 |
try:
|
| 884 |
version_id = request.backend.update_object_hashmap(request.user_uniq, |
| 885 |
v_account, v_container, v_object, size, hashmap, meta, True)
|
| 886 |
except NotAllowedError:
|
| 887 |
raise Forbidden('Not allowed') |
| 888 |
except NameError: |
| 889 |
raise ItemNotFound('Container does not exist') |
| 890 |
except QuotaError:
|
| 891 |
raise RequestEntityTooLarge('Quota exceeded') |
| 892 |
|
| 893 |
response = HttpResponse(status=201)
|
| 894 |
response['ETag'] = meta['ETag'] |
| 895 |
response['X-Object-Version'] = version_id
|
| 896 |
return response
|
| 897 |
|
| 898 |
@api_method('COPY') |
| 899 |
def object_copy(request, v_account, v_container, v_object): |
| 900 |
# Normal Response Codes: 201
|
| 901 |
# Error Response Codes: serviceUnavailable (503),
|
| 902 |
# itemNotFound (404),
|
| 903 |
# forbidden (403),
|
| 904 |
# badRequest (400)
|
| 905 |
|
| 906 |
dest_account = smart_unicode(request.META.get('HTTP_DESTINATION_ACCOUNT'), strings_only=True) |
| 907 |
if not dest_account: |
| 908 |
dest_account = request.user_uniq |
| 909 |
dest_path = smart_unicode(request.META.get('HTTP_DESTINATION'), strings_only=True) |
| 910 |
if not dest_path: |
| 911 |
raise BadRequest('Missing Destination header') |
| 912 |
try:
|
| 913 |
dest_container, dest_name = split_container_object_string(dest_path) |
| 914 |
except ValueError: |
| 915 |
raise BadRequest('Invalid Destination header') |
| 916 |
|
| 917 |
# Evaluate conditions.
|
| 918 |
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'): |
| 919 |
src_version = request.META.get('HTTP_X_SOURCE_VERSION')
|
| 920 |
try:
|
| 921 |
meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 922 |
v_container, v_object, src_version) |
| 923 |
except NotAllowedError:
|
| 924 |
raise Forbidden('Not allowed') |
| 925 |
except (NameError, IndexError): |
| 926 |
raise ItemNotFound('Container or object does not exist') |
| 927 |
validate_matching_preconditions(request, meta) |
| 928 |
|
| 929 |
version_id = copy_or_move_object(request, v_account, v_container, v_object, |
| 930 |
dest_account, dest_container, dest_name, move=False)
|
| 931 |
response = HttpResponse(status=201)
|
| 932 |
response['X-Object-Version'] = version_id
|
| 933 |
return response
|
| 934 |
|
| 935 |
@api_method('MOVE') |
| 936 |
def object_move(request, v_account, v_container, v_object): |
| 937 |
# Normal Response Codes: 201
|
| 938 |
# Error Response Codes: serviceUnavailable (503),
|
| 939 |
# itemNotFound (404),
|
| 940 |
# forbidden (403),
|
| 941 |
# badRequest (400)
|
| 942 |
|
| 943 |
dest_account = smart_unicode(request.META.get('HTTP_DESTINATION_ACCOUNT'), strings_only=True) |
| 944 |
if not dest_account: |
| 945 |
dest_account = request.user_uniq |
| 946 |
dest_path = smart_unicode(request.META.get('HTTP_DESTINATION'), strings_only=True) |
| 947 |
if not dest_path: |
| 948 |
raise BadRequest('Missing Destination header') |
| 949 |
try:
|
| 950 |
dest_container, dest_name = split_container_object_string(dest_path) |
| 951 |
except ValueError: |
| 952 |
raise BadRequest('Invalid Destination header') |
| 953 |
|
| 954 |
# Evaluate conditions.
|
| 955 |
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'): |
| 956 |
try:
|
| 957 |
meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 958 |
v_container, v_object) |
| 959 |
except NotAllowedError:
|
| 960 |
raise Forbidden('Not allowed') |
| 961 |
except NameError: |
| 962 |
raise ItemNotFound('Container or object does not exist') |
| 963 |
validate_matching_preconditions(request, meta) |
| 964 |
|
| 965 |
version_id = copy_or_move_object(request, v_account, v_container, v_object, |
| 966 |
dest_account, dest_container, dest_name, move=True)
|
| 967 |
response = HttpResponse(status=201)
|
| 968 |
response['X-Object-Version'] = version_id
|
| 969 |
return response
|
| 970 |
|
| 971 |
@api_method('POST') |
| 972 |
def object_update(request, v_account, v_container, v_object): |
| 973 |
# Normal Response Codes: 202, 204
|
| 974 |
# Error Response Codes: serviceUnavailable (503),
|
| 975 |
# conflict (409),
|
| 976 |
# itemNotFound (404),
|
| 977 |
# forbidden (403),
|
| 978 |
# badRequest (400)
|
| 979 |
meta, permissions, public = get_object_headers(request) |
| 980 |
content_type = meta.get('Content-Type')
|
| 981 |
if content_type:
|
| 982 |
del(meta['Content-Type']) # Do not allow changing the Content-Type. |
| 983 |
|
| 984 |
try:
|
| 985 |
prev_meta = request.backend.get_object_meta(request.user_uniq, v_account, |
| 986 |
v_container, v_object) |
| 987 |
except NotAllowedError:
|
| 988 |
raise Forbidden('Not allowed') |
| 989 |
except NameError: |
| 990 |
raise ItemNotFound('Object does not exist') |
| 991 |
|
| 992 |
# Evaluate conditions.
|
| 993 |
if request.META.get('HTTP_IF_MATCH') or request.META.get('HTTP_IF_NONE_MATCH'): |
| 994 |
validate_matching_preconditions(request, prev_meta) |
| 995 |
|
| 996 |
# If replacing, keep previous values of 'Content-Type' and 'ETag'.
|
| 997 |
replace = True
|
| 998 |
if 'update' in request.GET: |
| 999 |
replace = False
|
| 1000 |
if replace:
|
| 1001 |
for k in ('Content-Type', 'ETag'): |
| 1002 |
if k in prev_meta: |
| 1003 |
meta[k] = prev_meta[k] |
| 1004 |
|
| 1005 |
# A Content-Type or X-Source-Object header indicates data updates.
|
| 1006 |
src_object = request.META.get('HTTP_X_SOURCE_OBJECT')
|
| 1007 |
if (not content_type or content_type != 'application/octet-stream') and not src_object: |
| 1008 |
response = HttpResponse(status=202)
|
| 1009 |
|
| 1010 |
# Do permissions first, as it may fail easier.
|
| 1011 |
if permissions is not None: |
| 1012 |
try:
|
| 1013 |
request.backend.update_object_permissions(request.user_uniq, |
| 1014 |
v_account, v_container, v_object, permissions) |
| 1015 |
except NotAllowedError:
|
| 1016 |
raise Forbidden('Not allowed') |
| 1017 |
except NameError: |
| 1018 |
raise ItemNotFound('Object does not exist') |
| 1019 |
except ValueError: |
| 1020 |
raise BadRequest('Invalid sharing header') |
| 1021 |
except AttributeError, e: |
| 1022 |
raise Conflict('\n'.join(e.data) + '\n') |
| 1023 |
if public is not None: |
| 1024 |
try:
|
| 1025 |
request.backend.update_object_public(request.user_uniq, v_account, |
| 1026 |
v_container, v_object, public) |
| 1027 |
except NotAllowedError:
|
| 1028 |
raise Forbidden('Not allowed') |
| 1029 |
except NameError: |
| 1030 |
raise ItemNotFound('Object does not exist') |
| 1031 |
if meta or replace: |
| 1032 |
try:
|
| 1033 |
version_id = request.backend.update_object_meta(request.user_uniq, |
| 1034 |
v_account, v_container, v_object, meta, replace) |
| 1035 |
except NotAllowedError:
|
| 1036 |
raise Forbidden('Not allowed') |
| 1037 |
except NameError: |
| 1038 |
raise ItemNotFound('Object does not exist') |
| 1039 |
response['X-Object-Version'] = version_id
|
| 1040 |
|
| 1041 |
return response
|
| 1042 |
|
| 1043 |
# Single range update. Range must be in Content-Range.
|
| 1044 |
# Based on: http://code.google.com/p/gears/wiki/ContentRangePostProposal
|
| 1045 |
# (with the addition that '*' is allowed for the range - will append).
|
| 1046 |
content_range = request.META.get('HTTP_CONTENT_RANGE')
|
| 1047 |
if not content_range: |
| 1048 |
raise BadRequest('Missing Content-Range header') |
| 1049 |
ranges = get_content_range(request) |
| 1050 |
if not ranges: |
| 1051 |
raise RangeNotSatisfiable('Invalid Content-Range header') |
| 1052 |
|
| 1053 |
try:
|
| 1054 |
size, hashmap = request.backend.get_object_hashmap(request.user_uniq, |
| 1055 |
v_account, v_container, v_object) |
| 1056 |
except NotAllowedError:
|
| 1057 |
raise Forbidden('Not allowed') |
| 1058 |
except NameError: |
| 1059 |
raise ItemNotFound('Object does not exist') |
| 1060 |
|
| 1061 |
offset, length, total = ranges |
| 1062 |
if offset is None: |
| 1063 |
offset = size |
| 1064 |
elif offset > size:
|
| 1065 |
raise RangeNotSatisfiable('Supplied offset is beyond object limits') |
| 1066 |
if src_object:
|
| 1067 |
src_account = smart_unicode(request.META.get('HTTP_X_SOURCE_ACCOUNT'), strings_only=True) |
| 1068 |
if not src_account: |
| 1069 |
src_account = request.user_uniq |
| 1070 |
src_container, src_name = split_container_object_string(src_object) |
| 1071 |
src_container = smart_unicode(src_container, strings_only=True)
|
| 1072 |
src_name = smart_unicode(src_name, strings_only=True)
|
| 1073 |
src_version = request.META.get('HTTP_X_SOURCE_VERSION')
|
| 1074 |
try:
|
| 1075 |
src_size, src_hashmap = request.backend.get_object_hashmap(request.user_uniq, |
| 1076 |
src_account, src_container, src_name, src_version) |
| 1077 |
except NotAllowedError:
|
| 1078 |
raise Forbidden('Not allowed') |
| 1079 |
except NameError: |
| 1080 |
raise ItemNotFound('Source object does not exist') |
| 1081 |
|
| 1082 |
if length is None: |
| 1083 |
length = src_size |
| 1084 |
elif length > src_size:
|
| 1085 |
raise BadRequest('Object length is smaller than range length') |
| 1086 |
else:
|
| 1087 |
# Require either a Content-Length, or 'chunked' Transfer-Encoding.
|
| 1088 |
content_length = -1
|
| 1089 |
if request.META.get('HTTP_TRANSFER_ENCODING') != 'chunked': |
| 1090 |
content_length = get_content_length(request) |
| 1091 |
|
| 1092 |
if length is None: |
| 1093 |
length = content_length |
| 1094 |
else:
|
| 1095 |
if content_length == -1: |
| 1096 |
# TODO: Get up to length bytes in chunks.
|
| 1097 |
length = content_length |
| 1098 |
elif length != content_length:
|
| 1099 |
raise BadRequest('Content length does not match range length') |
| 1100 |
if total is not None and (total != size or offset >= size or (length > 0 and offset + length >= size)): |
| 1101 |
raise RangeNotSatisfiable('Supplied range will change provided object limits') |
| 1102 |
|
| 1103 |
dest_bytes = request.META.get('HTTP_X_OBJECT_BYTES')
|
| 1104 |
if dest_bytes is not None: |
| 1105 |
dest_bytes = get_int_parameter(dest_bytes) |
| 1106 |
if dest_bytes is None: |
| 1107 |
raise BadRequest('Invalid X-Object-Bytes header') |
| 1108 |
|
| 1109 |
if src_object:
|
| 1110 |
if offset % request.backend.block_size == 0: |
| 1111 |
# Update the hashes only.
|
| 1112 |
sbi = 0
|
| 1113 |
while length > 0: |
| 1114 |
bi = int(offset / request.backend.block_size)
|
| 1115 |
bl = min(length, request.backend.block_size)
|
| 1116 |
if bi < len(hashmap): |
| 1117 |
if bl == request.backend.block_size:
|
| 1118 |
hashmap[bi] = src_hashmap[sbi] |
| 1119 |
else:
|
| 1120 |
data = request.backend.get_block(src_hashmap[sbi]) |
| 1121 |
hashmap[bi] = request.backend.update_block(hashmap[bi], |
| 1122 |
data[:bl], 0)
|
| 1123 |
else:
|
| 1124 |
hashmap.append(src_hashmap[sbi]) |
| 1125 |
offset += bl |
| 1126 |
length -= bl |
| 1127 |
sbi += 1
|
| 1128 |
else:
|
| 1129 |
data = ''
|
| 1130 |
sbi = 0
|
| 1131 |
while length > 0: |
| 1132 |
data += request.backend.get_block(src_hashmap[sbi]) |
| 1133 |
if length < request.backend.block_size:
|
| 1134 |
data = data[:length] |
| 1135 |
bytes = put_object_block(request, hashmap, data, offset) |
| 1136 |
offset += bytes
|
| 1137 |
data = data[bytes:]
|
| 1138 |
length -= bytes
|
| 1139 |
sbi += 1
|
| 1140 |
else:
|
| 1141 |
data = ''
|
| 1142 |
for d in socket_read_iterator(request, length, |
| 1143 |
request.backend.block_size): |
| 1144 |
# TODO: Raise 408 (Request Timeout) if this takes too long.
|
| 1145 |
# TODO: Raise 499 (Client Disconnect) if a length is defined and we stop before getting this much data.
|
| 1146 |
data += d |
| 1147 |
bytes = put_object_block(request, hashmap, data, offset) |
| 1148 |
offset += bytes
|
| 1149 |
data = data[bytes:]
|
| 1150 |
if len(data) > 0: |
| 1151 |
put_object_block(request, hashmap, data, offset) |
| 1152 |
|
| 1153 |
if offset > size:
|
| 1154 |
size = offset |
| 1155 |
if dest_bytes is not None and dest_bytes < size: |
| 1156 |
size = dest_bytes |
| 1157 |
hashmap = hashmap[:(int((size - 1) / request.backend.block_size) + 1)] |
| 1158 |
meta.update({'ETag': hashmap_hash(request, hashmap)}) # Update ETag.
|
| 1159 |
try:
|
| 1160 |
version_id = request.backend.update_object_hashmap(request.user_uniq, |
| 1161 |
v_account, v_container, v_object, size, hashmap, meta, |
| 1162 |
replace, permissions) |
| 1163 |
except NotAllowedError:
|
| 1164 |
raise Forbidden('Not allowed') |
| 1165 |
except NameError: |
| 1166 |
raise ItemNotFound('Container does not exist') |
| 1167 |
except ValueError: |
| 1168 |
raise BadRequest('Invalid sharing header') |
| 1169 |
except AttributeError, e: |
| 1170 |
raise Conflict('\n'.join(e.data) + '\n') |
| 1171 |
except QuotaError:
|
| 1172 |
raise RequestEntityTooLarge('Quota exceeded') |
| 1173 |
if public is not None: |
| 1174 |
try:
|
| 1175 |
request.backend.update_object_public(request.user_uniq, v_account, |
| 1176 |
v_container, v_object, public) |
| 1177 |
except NotAllowedError:
|
| 1178 |
raise Forbidden('Not allowed') |
| 1179 |
except NameError: |
| 1180 |
raise ItemNotFound('Object does not exist') |
| 1181 |
|
| 1182 |
response = HttpResponse(status=204)
|
| 1183 |
response['ETag'] = meta['ETag'] |
| 1184 |
response['X-Object-Version'] = version_id
|
| 1185 |
return response
|
| 1186 |
|
| 1187 |
@api_method('DELETE') |
| 1188 |
def object_delete(request, v_account, v_container, v_object): |
| 1189 |
# Normal Response Codes: 204
|
| 1190 |
# Error Response Codes: serviceUnavailable (503),
|
| 1191 |
# itemNotFound (404),
|
| 1192 |
# forbidden (403),
|
| 1193 |
# badRequest (400)
|
| 1194 |
|
| 1195 |
until = get_int_parameter(request.GET.get('until'))
|
| 1196 |
try:
|
| 1197 |
request.backend.delete_object(request.user_uniq, v_account, v_container, |
| 1198 |
v_object, until) |
| 1199 |
except NotAllowedError:
|
| 1200 |
raise Forbidden('Not allowed') |
| 1201 |
except NameError: |
| 1202 |
raise ItemNotFound('Object does not exist') |
| 1203 |
return HttpResponse(status=204) |
| 1204 |
|
| 1205 |
@api_method()
|
| 1206 |
def method_not_allowed(request): |
| 1207 |
raise BadRequest('Method not allowed') |