def _gen_comp_xml(self, etags):
elem = Element('CompleteMultipartUpload')
for i, etag in enumerate(etags):
elem_part = SubElement(elem, 'Part')
SubElement(elem_part, 'PartNumber').text = str(i + 1)
SubElement(elem_part, 'ETag').text = etag
return tostring(elem)
def _versioning_PUT_error(self, path):
# Root tag is not VersioningConfiguration
elem = Element('foo')
SubElement(elem, 'Status').text = 'Enabled'
xml = tostring(elem)
req = Request.blank('%s?versioning' % path,
environ={'REQUEST_METHOD': 'PUT'},
headers={
'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header()
},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEqual(status.split()[0], '400')
# Status is not "Enabled" or "Suspended"
elem = Element('VersioningConfiguration')
SubElement(elem, 'Status').text = 'enabled'
xml = tostring(elem)
req = Request.blank('%s?versioning' % path,
environ={'REQUEST_METHOD': 'PUT'},
headers={
'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header()
},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEqual(status.split()[0], '400')
def _gen_invalid_multi_delete_xml(self, hasObjectTag=False):
elem = Element('Delete')
if hasObjectTag:
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = ''
return tostring(elem, use_s3ns=False)
def POST(self, req):
"""
Handles Initiate Multipart Upload.
"""
# Create a unique S3 upload id from UUID to avoid duplicates.
upload_id = unique_id()
container = req.container_name + '+segments'
try:
req.get_response(self.app, 'PUT', container, '')
except BucketAlreadyExists:
pass
obj = '%s/%s' % (req.object_name, upload_id)
req.get_response(self.app, 'PUT', container, obj, body='')
result_elem = Element('InitiateMultipartUploadResult')
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'UploadId').text = upload_id
body = tostring(result_elem)
return HTTPOk(body=body, content_type='application/xml')
def _test_object_multi_DELETE(self, account):
self.keys = ['Key1', 'Key2']
self.swift.register('DELETE', '/v1/AUTH_test/bucket/%s' % self.keys[0],
swob.HTTPNoContent, {}, None)
self.swift.register('DELETE', '/v1/AUTH_test/bucket/%s' % self.keys[1],
swob.HTTPNotFound, {}, None)
elem = Element('Delete')
for key in self.keys:
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = key
body = tostring(elem, use_s3ns=False)
content_md5 = md5(body).digest().encode('base64').strip()
req = Request.blank('/bucket?delete',
environ={'REQUEST_METHOD': 'POST'},
headers={
'Authorization': 'AWS %s:hmac' % account,
'Date': self.get_date_header(),
'Content-MD5': content_md5
},
body=body)
req.date = datetime.now()
req.content_type = 'text/plain'
return self.call_swift3(req)
def POST(self, req):
"""
Handles Initiate Multipart Upload.
"""
log_s3api_command(req, 'create-multipart-upload')
# Create a unique S3 upload id from UUID to avoid duplicates.
upload_id = unique_id()
container = req.container_name + MULTIUPLOAD_SUFFIX
obj = '%s/%s' % (req.object_name, upload_id)
if HTTP_HEADER_TAGGING_KEY in req.headers:
tagging = convert_urlquery_to_xml(
req.headers.get(HTTP_HEADER_TAGGING_KEY))
req.headers[OBJECT_TAGGING_HEADER] = tagging
req.headers.pop('Etag', None)
req.headers.pop('Content-Md5', None)
req.environ['oio.ephemeral_object'] = True
req.get_response(self.app, 'PUT', container, obj, body='')
result_elem = Element('InitiateMultipartUploadResult')
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'UploadId').text = upload_id
body = tostring(result_elem)
return HTTPOk(body=body, content_type='application/xml')
def append_copy_resp_body(self, controller_name, last_modified):
elem = Element('Copy%sResult' % controller_name)
SubElement(elem, 'LastModified').text = last_modified
SubElement(elem, 'ETag').text = '"%s"' % self.etag
self.headers['Content-Type'] = 'application/xml'
self.body = tostring(elem)
self.etag = None
def test_object_multi_DELETE_quiet(self):
self.swift.register('DELETE', '/v1/AUTH_test/bucket/Key1',
swob.HTTPNoContent, {}, None)
self.swift.register('DELETE', '/v1/AUTH_test/bucket/Key2',
swob.HTTPNotFound, {}, None)
elem = Element('Delete')
SubElement(elem, 'Quiet').text = 'true'
for key in ['Key1', 'Key2']:
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = key
body = tostring(elem, use_s3ns=False)
content_md5 = md5(body).digest().encode('base64').strip()
req = Request.blank('/bucket?delete',
environ={'REQUEST_METHOD': 'POST'},
headers={
'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header(),
'Content-MD5': content_md5
},
body=body)
status, headers, body = self.call_swift3(req)
self.assertEquals(status.split()[0], '200')
elem = fromstring(body)
self.assertEquals(len(elem.findall('Deleted')), 0)
def test_bucket_acl_PUT(self):
elem = Element('AccessControlPolicy')
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = 'id'
acl = SubElement(elem, 'AccessControlList')
grant = SubElement(acl, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'Group')
SubElement(grantee, 'URI').text = \
'http://acs.amazonaws.com/groups/global/AllUsers'
SubElement(grant, 'Permission').text = 'READ'
xml = tostring(elem)
req = Request.blank('/bucket?acl',
environ={'REQUEST_METHOD': 'PUT'},
headers={'Authorization': 'AWS test:tester:hmac'},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEquals(status.split()[0], '200')
req = Request.blank('/bucket?acl',
environ={'REQUEST_METHOD': 'PUT',
'wsgi.input': StringIO(xml)},
headers={'Authorization': 'AWS test:tester:hmac',
'Transfer-Encoding': 'chunked'})
self.assertIsNone(req.content_length)
self.assertIsNone(req.message_length())
status, headers, body = self.call_swift3(req)
self.assertEquals(status.split()[0], '200')
def test_bucket_acl_PUT(self):
elem = Element('AccessControlPolicy')
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = 'id'
acl = SubElement(elem, 'AccessControlList')
grant = SubElement(acl, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'Group')
SubElement(grantee, 'URI').text = \
'http://acs.amazonaws.com/groups/global/AllUsers'
SubElement(grant, 'Permission').text = 'READ'
xml = tostring(elem)
req = Request.blank('/bucket?acl',
environ={'REQUEST_METHOD': 'PUT'},
headers={'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header()},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEqual(status.split()[0], '200')
req = Request.blank('/bucket?acl',
environ={'REQUEST_METHOD': 'PUT',
'wsgi.input': StringIO(xml)},
headers={'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header(),
'Transfer-Encoding': 'chunked'})
self.assertIsNone(req.content_length)
self.assertIsNone(req.message_length())
status, headers, body = self.call_swift3(req)
self.assertEqual(status.split()[0], '200')
def _build_tagging_body(self, n_tags=1):
elem = Element('Tagging')
sub = SubElement(elem, 'TagSet')
for num in range(n_tags):
tag = SubElement(sub, 'Tag')
SubElement(tag, 'Key').text = 'key' * 41 + '%05d' % num
SubElement(tag, 'Value').text = 'value' * 50 + '%06d' % num
return tostring(elem)
def _gen_multi_delete_xml(self, objects, quiet=None):
elem = Element('Delete')
if quiet:
SubElement(elem, 'Quiet').text = quiet
for key in objects:
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = key
return tostring(elem, use_s3ns=False)
def _body_iter(self):
error_elem = Element('Error')
SubElement(error_elem, 'Code').text = self._code
SubElement(error_elem, 'Message').text = self._msg
if 'swift.trans_id' in self.environ:
request_id = self.environ['swift.trans_id']
SubElement(error_elem, 'RequestId').text = request_id
self._dict_to_etree(error_elem, self.info)
yield tostring(error_elem, use_s3ns=False)
def _gen_error_body(self, error, elem, delete_list):
for key, version in delete_list:
if version is not None:
# TODO: delete the specific version of the object
raise S3NotImplemented()
error_elem = SubElement(elem, 'Error')
SubElement(error_elem, 'Key').text = key
SubElement(error_elem, 'Code').text = error.__class__.__name__
SubElement(error_elem, 'Message').text = error._msg
return tostring(elem)
def test_object_multi_DELETE_without_md5(self):
elem = Element('Delete')
for key in ['Key1', 'Key2']:
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = key
body = tostring(elem, use_s3ns=False)
req = Request.blank('/bucket?delete',
environ={'REQUEST_METHOD': 'POST'},
headers={'Authorization': 'AWS test:tester:hmac'},
body=body)
status, headers, body = self.call_swift3(req)
self.assertEquals(self._get_error_code(body), 'InvalidRequest')
def _dict_to_etree(self, parent, d):
for key, value in d.items():
tag = re.sub('\W', '', snake_to_camel(key))
elem = SubElement(parent, tag)
if isinstance(value, (dict, DictMixin)):
self._dict_to_etree(elem, value)
else:
try:
elem.text = str(value)
except ValueError:
# We set an invalid string for XML.
elem.text = '(invalid string)'
def elem(self):
"""
Decode the value to an ACL instance.
"""
elem = Element(self.root_tag)
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = self.owner.id
SubElement(owner, 'DisplayName').text = self.owner.name
SubElement(elem,
'AccessControlList').extend(g.elem() for g in self.grants)
return elem
def _handle_create_multipart_upload(self, s3_key, req):
req.headers.setdefault('content-type', 'application/octet-stream')
boto3_resp = self.local_to_me_provider._create_multipart_upload(
req.headers, s3_key)
# NOTE: we forced swift3 to fully delegate to us, so we are
# responsible for returning a valid S3 API response.
result_elem = Element('InitiateMultipartUploadResult')
SubElement(result_elem, 'Bucket').text = self.container_name
SubElement(result_elem, 'Key').text = self.object_name
SubElement(result_elem, 'UploadId').text = boto3_resp['UploadId']
body = tostring(result_elem)
# Note: swift3 mw requires obj POST to return 202
return swob.HTTPAccepted(body=body, content_type='application/xml')
def convert_urlquery_to_xml(val):
"""Convert x-amz-tagging to a Tagging XML."""
root = Element('Tagging')
elem = SubElement(root, 'TagSet')
# AWS support key1=&key2=
items = parse_qs(val, keep_blank_values=True)
for key, val in items.items():
if len(val) != 1:
raise InvalidArgument(HTTP_HEADER_TAGGING_KEY,
value=val,
msg=INVALID_TAGGING)
tag = SubElement(elem, 'Tag')
SubElement(tag, 'Key').text = key
SubElement(tag, 'Value').text = val[0]
return tostring(root)
def _make_xml(grantee):
owner = 'test:tester'
permission = 'READ'
elem = Element('AccessControlPolicy')
elem_owner = SubElement(elem, 'Owner')
SubElement(elem_owner, 'ID').text = owner
SubElement(elem_owner, 'DisplayName').text = owner
acl_list_elem = SubElement(elem, 'AccessControlList')
elem_grant = SubElement(acl_list_elem, 'Grant')
elem_grant.append(grantee)
SubElement(elem_grant, 'Permission').text = permission
return tostring(elem)
def test_object_multi_DELETE_too_many_keys(self):
elem = Element('Delete')
for i in range(CONF.max_multi_delete_objects + 1):
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = str(i)
body = tostring(elem, use_s3ns=False)
content_md5 = md5(body).digest().encode('base64').strip()
req = Request.blank('/bucket?delete',
environ={'REQUEST_METHOD': 'POST'},
headers={'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header(),
'Content-MD5': content_md5},
body=body)
status, headers, body = self.call_swift3(req)
self.assertEqual(self._get_error_code(body), 'MalformedXML')
def test_object_multi_DELETE_to_object(self):
elem = Element('Delete')
obj = SubElement(elem, 'Object')
SubElement(obj, 'Key').text = 'object'
body = tostring(elem, use_s3ns=False)
content_md5 = md5(body).digest().encode('base64').strip()
req = Request.blank('/bucket/object?delete',
environ={'REQUEST_METHOD': 'POST'},
headers={'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header(),
'Content-MD5': content_md5},
body=body)
status, headers, body = self.call_swift3(req)
self.assertEqual(status.split()[0], '200')
def GET(self, req): # pylint: disable=invalid-name
"""
Handles GET Bucket tagging and GET Object tagging.
"""
resp = req.get_versioned_response(self.app, 'HEAD',
req.container_name, req.object_name)
headers = dict()
if req.is_object_request:
body = resp.sysmeta_headers.get(OBJECT_TAGGING_HEADER)
# It seems that S3 returns x-amz-version-id,
# even if it is not documented.
headers['x-amz-version-id'] = resp.sw_headers[VERSION_ID_HEADER]
else:
body = resp.sysmeta_headers.get(BUCKET_TAGGING_HEADER)
close_if_possible(resp.app_iter)
if not body:
if not req.is_object_request:
raise NoSuchTagSet(headers=headers)
else:
elem = Element('Tagging')
SubElement(elem, 'TagSet')
body = tostring(elem)
return HTTPOk(body=body, content_type='application/xml',
headers=headers)
def _versioning_PUT_suspended(self, path):
elem = Element('VersioningConfiguration')
SubElement(elem, 'Status').text = 'Suspended'
xml = tostring(elem)
self.swift.register('HEAD', '/v1/AUTH_test/%s' % VERSIONING_BUCKET,
HTTPNotFound, {}, None)
self.swift.register('PUT', '/v1/AUTH_test/%s' % VERSIONING_BUCKET,
HTTPCreated, {}, None)
self.swift.register('POST', '/v1/AUTH_test/bucket', HTTPNoContent, {},
None)
req = Request.blank('%s?versioning' % path,
environ={'REQUEST_METHOD': 'PUT'},
headers={
'Authorization': 'AWS test:tester:hmac',
'Date': self.get_date_header()
},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEqual(status.split()[0], '200')
calls = self.swift.calls_with_headers
self.assertEqual(calls[-1][0], 'POST')
self.assertIn(('X-Remove-History-Location', 'true'),
calls[-1][2].items())
def GET(self, req):
"""
Handles GET Bucket versioning.
"""
log_s3api_command(req, 'get-bucket-versioning')
info = req.get_container_info(self.app)
status = None
versions_container = info.get('sysmeta', {}).get('versions-location')
if versions_container:
status = 'Enabled'
else:
versions_container = ''.join(
[req.container_name, VERSIONING_SUFFIX])
try:
req.get_response(self.app,
'HEAD',
container=versions_container)
status = 'Suspended'
except NoSuchBucket:
pass
# Just report there is no versioning configured here.
elem = Element('VersioningConfiguration')
if status:
SubElement(elem, 'Status').text = status
body = tostring(elem)
return HTTPOk(body=body, content_type="text/plain")
def _handle_complete_multipart_upload(self, s3_key, req):
upload_id = req.params['uploadId']
parts = []
xml = req.environ[CC_SWIFT_REQ_KEY].xml(MAX_COMPLETE_UPLOAD_BODY_SIZE)
complete_elem = fromstring(xml, 'CompleteMultipartUpload')
for part_elem in complete_elem.iterchildren('Part'):
part_number = int(part_elem.find('./PartNumber').text)
etag = part_elem.find('./ETag').text
parts.append({'ETag': etag, 'PartNumber': part_number})
boto3_resp = self.local_to_me_provider._complete_multipart_upload(
s3_key, upload_id, parts)
# NOTE: we forced swift3 to fully delegate to us, so we are
# responsible for returning a valid S3 API response.
# NOTE (for the note): this workaround for a client library (boto) was
# copied verbatim from the "swift3" codebase. It may or may not be
# relevant (I think it is for any client talking to cloud-connector
# using boto and a non-default port number), but this comment and the
# workaround both come from "swift3" and should be safe for us as well.
# (sic) vvvvvvvvvvvvvvvvvvvvvvvvvv
# NOTE: boto with sig v4 appends port to HTTP_HOST value at the
# request header when the port is non default value and it
# makes req.host_url like as http://localhost:8080:8080/path
# that obviously invalid. Probably it should be resolved at
# swift.common.swob though, tentatively we are parsing and
# reconstructing the correct host_url info here.
# in detail, https://github.com/boto/boto/pull/3513
# (sic) ^^^^^^^^^^^^^^^^^^^^^^^^^^
parsed_url = urlparse(req.host_url)
host_url = '%s://%s' % (parsed_url.scheme, parsed_url.hostname)
if parsed_url.port:
host_url += ':%s' % parsed_url.port
result_elem = Element('CompleteMultipartUploadResult')
SubElement(result_elem, 'Location').text = host_url + req.path
SubElement(result_elem, 'Bucket').text = self.container_name
SubElement(result_elem, 'Key').text = self.object_name
SubElement(result_elem, 'ETag').text = boto3_resp['ETag']
body = tostring(result_elem)
# Note: swift3 mw requires obj POST to return 202
return swob.HTTPAccepted(body=body, content_type='application/xml')
def GET(self, req):
"""
Handle GET Service request
"""
resp = req.get_response(self.app, query={'format': 'json'})
containers = loads(resp.body)
# we don't keep the creation time of a backet (s3cmd doesn't
# work without that) so we use something bogus.
elem = Element('ListAllMyBucketsResult')
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = req.user_id
SubElement(owner, 'DisplayName').text = req.user_id
buckets = SubElement(elem, 'Buckets')
for c in containers:
bucket = SubElement(buckets, 'Bucket')
SubElement(bucket, 'Name').text = c['name']
SubElement(bucket, 'CreationDate').text = \
'2009-02-03T16:45:09.000Z'
body = tostring(elem)
return HTTPOk(content_type='application/xml', body=body)
def elem(self):
"""
Create an etree element.
"""
elem = Element('Grant')
elem.append(self.grantee.elem())
SubElement(elem, 'Permission').text = self.permission
return elem
def test_bucket_acl_PUT(self):
elem = Element('AccessControlPolicy')
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = 'id'
acl = SubElement(elem, 'AccessControlList')
grant = SubElement(acl, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'Group')
SubElement(grantee, 'URI').text = \
'http://acs.amazonaws.com/groups/global/AllUsers'
SubElement(grant, 'Permission').text = 'READ'
xml = tostring(elem)
req = Request.blank('/bucket?acl',
environ={'REQUEST_METHOD': 'PUT'},
headers={'Authorization': 'AWS test:tester:hmac'},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEquals(status.split()[0], '200')
def test_versioning_put(self):
# Versioning not configured
status, headers, body = self.conn.make_request('GET',
'bucket',
query='versioning')
self.assertEqual(status, 200)
elem = fromstring(body)
self.assertEqual(elem.getchildren(), [])
# Enable versioning
elem = Element('VersioningConfiguration')
SubElement(elem, 'Status').text = 'Enabled'
xml = tostring(elem)
status, headers, body = self.conn.make_request('PUT',
'bucket',
body=xml,
query='versioning')
self.assertEqual(status, 200)
status, headers, body = self.conn.make_request('GET',
'bucket',
query='versioning')
self.assertEqual(status, 200)
elem = fromstring(body)
self.assertEqual(elem.find('./Status').text, 'Enabled')
# Suspend versioning
elem = Element('VersioningConfiguration')
SubElement(elem, 'Status').text = 'Suspended'
xml = tostring(elem)
status, headers, body = self.conn.make_request('PUT',
'bucket',
body=xml,
query='versioning')
self.assertEqual(status, 200)
status, headers, body = self.conn.make_request('GET',
'bucket',
query='versioning')
self.assertEqual(status, 200)
elem = fromstring(body)
self.assertEqual(elem.find('./Status').text, 'Suspended')
def test_bucket_PUT_with_location(self):
elem = Element('CreateBucketConfiguration')
SubElement(elem, 'LocationConstraint').text = 'US'
xml = tostring(elem)
req = Request.blank('/bucket',
environ={'REQUEST_METHOD': 'PUT'},
headers={'Authorization': 'AWS test:tester:hmac'},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEquals(status.split()[0], '200')
def test_bucket_fails_with_both_acl_header_and_xml_PUT(self):
elem = Element('AccessControlPolicy')
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = 'id'
acl = SubElement(elem, 'AccessControlList')
grant = SubElement(acl, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'Group')
SubElement(grantee, 'URI').text = \
'http://acs.amazonaws.com/groups/global/AllUsers'
SubElement(grant, 'Permission').text = 'READ'
xml = tostring(elem)
req = Request.blank('/bucket?acl',
environ={'REQUEST_METHOD': 'PUT'},
headers={'Authorization': 'AWS test:tester:hmac',
'X-AMZ-ACL': 'public-read'},
body=xml)
status, headers, body = self.call_swift3(req)
self.assertEquals(self._get_error_code(body),
'UnexpectedContent')
def get_acl(account_name, headers):
"""
Attempts to construct an S3 ACL based on what is found in the swift headers
"""
elem = Element('AccessControlPolicy')
owner = SubElement(elem, 'Owner')
SubElement(owner, 'ID').text = account_name
SubElement(owner, 'DisplayName').text = account_name
access_control_list = SubElement(elem, 'AccessControlList')
# grant FULL_CONTROL to myself by default
grant = SubElement(access_control_list, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'CanonicalUser')
SubElement(grantee, 'ID').text = account_name
SubElement(grantee, 'DisplayName').text = account_name
SubElement(grant, 'Permission').text = 'FULL_CONTROL'
referrers, _ = parse_acl(headers.get('x-container-read'))
if referrer_allowed('unknown', referrers):
# grant public-read access
grant = SubElement(access_control_list, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'Group')
SubElement(grantee, 'URI').text = \
'http://acs.amazonaws.com/groups/global/AllUsers'
SubElement(grant, 'Permission').text = 'READ'
referrers, _ = parse_acl(headers.get('x-container-write'))
if referrer_allowed('unknown', referrers):
# grant public-write access
grant = SubElement(access_control_list, 'Grant')
grantee = SubElement(grant, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee.set('{%s}type' % XMLNS_XSI, 'Group')
SubElement(grantee, 'URI').text = \
'http://acs.amazonaws.com/groups/global/AllUsers'
SubElement(grant, 'Permission').text = 'WRITE'
body = tostring(elem)
return HTTPOk(body=body, content_type="text/plain")
def add_xml_element(self, parent):
grantee_elem = SubElement(parent, 'Grantee', nsmap={'xsi': XMLNS_XSI})
grantee_elem.set('xsi:type', self.type)
return grantee_elem
def GET(self, req):
if req.object_name:
raise InvalidRequest('There is no such thing as the ?versions '
'sub-resource for a key')
max_keys = utils.DEFAULT_MAX_BUCKET_LISTING
if 'max-keys' in req.params:
try:
max_keys = int(req.params['max-keys'])
if max_keys < 0 or utils.MAX_MAX_BUCKET_LISTING < max_keys:
raise Exception()
except Exception:
err_msg = 'Provided max-keys not an integer or within ' \
'integer range'
raise InvalidArgument('max-keys', req.params['max-keys'],
err_msg)
encoding_type = req.params.get('encoding-type')
if encoding_type is not None and encoding_type != 'url':
err_msg = 'Invalid Encoding Method specified in Request'
raise InvalidArgument('encoding-type', encoding_type, err_msg)
prefix = req.params.get('prefix', '')
key_marker = req.params.get('key-marker', '')
version_id_marker = req.params.get('version-id-marker')
delimiter = req.params.get('delimiter')
versions = req.collect_versions(self.app)
versions = [v for v in versions if v[0].startswith(prefix)]
if version_id_marker is not None:
versions = [v for v in versions if v[0] > key_marker or
v[0] == key_marker and v[1] > version_id_marker]
else:
versions = [v for v in versions if v[0] > key_marker]
version_result = []
for v in versions:
key = v[0]
if delimiter and delimiter in key[len(prefix):]:
common_prefix = prefix
common_prefix += key[len(prefix):].split(delimiter)[0]
common_prefix += delimiter
if common_prefix not in version_result:
version_result.append(common_prefix)
else:
version_result.append(v)
if len(version_result) > max_keys:
version_result = version_result[:max_keys]
is_truncated = True
else:
is_truncated = False
result_elem = Element('ListVersionsResult',
encoding_type=encoding_type)
SubElement(result_elem, 'Name').text = req.container_name
SubElement(result_elem, 'Prefix').text = prefix
SubElement(result_elem, 'KeyMarker').text = key_marker
version_id_marker_elem = SubElement(result_elem, 'VersionIdMarker')
if version_id_marker is not None:
version_id_marker_elem.text = version_id_marker
if is_truncated:
v = version_result[-1]
SubElement(result_elem, 'NextKeyMarker').text = v[0]
if len(v) > 1:
SubElement(result_elem, 'NextVersionIdMarker').text = v[1]
SubElement(result_elem, 'MaxKeys').text = str(max_keys)
if delimiter is not None:
SubElement(result_elem, 'Delimiter').text = delimiter
if encoding_type is not None:
SubElement(result_elem, 'EncodingType').text = encoding_type
SubElement(result_elem, 'IsTruncated').text = \
'true' if is_truncated else 'false'
for key, v_id, delete, is_latest, lmodified, etag, size, owner \
in (v for v in version_result if isinstance(v, tuple)):
if delete:
version_elem = SubElement(result_elem, 'DeleteMarker')
else:
version_elem = SubElement(result_elem, 'Version')
SubElement(version_elem, 'Key').text = key
SubElement(version_elem, 'VersionId').text = v_id
SubElement(version_elem, 'IsLatest').text = is_latest
SubElement(version_elem, 'LastModified').text = \
lmodified[:-3] + 'Z'
if not delete:
SubElement(version_elem, 'ETag').text = etag
SubElement(version_elem, 'Size').text = str(size)
owner_elem = SubElement(version_elem, 'Owner')
SubElement(owner_elem, 'ID').text = owner
SubElement(owner_elem, 'DisplayName').text = owner
if not delete:
SubElement(version_elem, 'StorageClass').text = 'STANDARD'
for common_prefix in (v for v in version_result if isinstance(v, str)):
elem = SubElement(result_elem, 'CommonPrefixes')
SubElement(elem, 'Prefix').text = common_prefix
xml = tostring(result_elem)
return HTTPOk(body=xml)
