def PUT(self, req):
"""
Handle PUT Bucket request
"""
xml = req.xml(MAX_PUT_BUCKET_BODY_SIZE)
if xml:
# check location
try:
elem = fromstring(xml, 'CreateBucketConfiguration')
location = elem.find('./LocationConstraint').text
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
if location != CONF.location:
# Swift3 cannot support multiple regions currently.
raise InvalidLocationConstraint()
resp = req.get_response(self.app)
resp.status = HTTP_OK
resp.location = '/' + req.container_name
return resp
def PUT(self, req):
"""
Handles PUT Bucket versioning.
"""
log_s3api_command(req, 'put-bucket-versioning')
xml = req.xml(MAX_PUT_VERSIONING_BODY_SIZE)
try:
elem = fromstring(xml, 'VersioningConfiguration')
status = elem.find('./Status').text
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
LOGGER.error(e)
raise
if status not in ['Enabled', 'Suspended']:
raise MalformedXML()
# Make sure the versions container exists
req.container_name += VERSIONING_SUFFIX
try:
req.get_container_info(self.app)
except NoSuchBucket:
req.get_response(self.app, 'PUT', req.container_name, '')
# Set up versioning
if status == 'Enabled':
req.headers['X-History-Location'] = req.container_name
else:
req.headers['X-Remove-History-Location'] = 'true'
# Set the container back to what it originally was
req.container_name = req.container_name[:-len(VERSIONING_SUFFIX)]
resp = req.get_response(self.app, 'POST')
return convert_response(req, resp, 204, HTTPOk)
def PUT(self, req):
"""
Handle PUT Bucket request
"""
xml = req.xml(MAX_PUT_BUCKET_BODY_SIZE)
if xml:
# check location
try:
elem = fromstring(xml, 'CreateBucketConfiguration')
location = elem.find('./LocationConstraint').text
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
if location != CONF.location:
# Swift3 cannot support multiple regions currently.
raise InvalidLocationConstraint()
resp = req.get_response(self.app)
resp.status = HTTP_OK
resp.location = '/' + req.container_name
return resp
def PUT(self, req):
"""
Handle PUT Bucket request
"""
xml = req.xml(MAX_PUT_BUCKET_BODY_SIZE)
if xml:
# check location
try:
elem = fromstring(xml, 'CreateBucketConfiguration')
location = elem.find('./LocationConstraint').text
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
LOGGER.error(e)
raise
if location != CONF.location:
# Swift3 cannot support multiple reagions now.
raise InvalidLocationConstraint()
if 'HTTP_X_AMZ_ACL' in req.environ:
handle_acl_header(req)
resp = req.get_response(self.app)
resp.status = HTTP_OK
resp.location = '/' + req.container_name
return resp
def get_acl(headers, body, bucket_owner, object_owner=None):
"""
Get ACL instance from S3 (e.g. x-amz-grant) headers or S3 acl xml body.
"""
acl = ACL.from_headers(headers, bucket_owner, object_owner,
as_private=False)
if acl is None:
# Get acl from request body if possible.
if not body:
msg = 'Your request was missing a required header'
raise MissingSecurityHeader(msg, missing_header_name='x-amz-acl')
try:
elem = fromstring(body, ACL.root_tag)
acl = ACL.from_elem(elem)
except(XMLSyntaxError, DocumentInvalid):
raise MalformedACLError()
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
else:
if body:
# Specifying grant with both header and xml is not allowed.
raise UnexpectedContent()
return acl
def fromstring(text, root_tag=None):
try:
elem = lxml.etree.fromstring(text, parser)
except lxml.etree.XMLSyntaxError as e:
LOGGER.debug(e)
raise XMLSyntaxError(e)
cleanup_namespaces(elem)
if root_tag is not None:
# validate XML
try:
path = 'schema/%s.rng' % camel_to_snake(root_tag)
with resource_stream(__name__, path) as rng:
lxml.etree.RelaxNG(file=rng).assertValid(elem)
except IOError as e:
# Probably, the schema file doesn't exist.
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
except lxml.etree.DocumentInvalid as e:
LOGGER.debug(e)
raise DocumentInvalid(e)
return elem
def get_acl(headers, body, bucket_owner, object_owner=None):
"""
Get ACL instance from S3 (e.g. x-amz-grant) headers or S3 acl xml body.
"""
acl = ACL.from_headers(headers,
bucket_owner,
object_owner,
as_private=False)
if acl is None:
# Get acl from request body if possible.
if not body:
msg = 'Your request was missing a required header'
raise MissingSecurityHeader(msg, missing_header_name='x-amz-acl')
try:
elem = fromstring(body, ACL.root_tag)
acl = ACL.from_elem(elem)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedACLError()
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
else:
if body:
# Specifying grant with both header and xml is not allowed.
raise UnexpectedContent()
return acl
def PUT(self, req):
"""
Handle PUT Bucket request
"""
log_s3api_command(req, 'create-bucket')
xml = req.xml(MAX_PUT_BUCKET_BODY_SIZE)
if xml:
# check location
try:
elem = fromstring(xml, 'CreateBucketConfiguration')
location = elem.find('./LocationConstraint').text
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
LOGGER.error(e)
raise
if location != CONF.location:
# Swift3 cannot support multiple regions currently.
raise InvalidLocationConstraint()
resp = req.get_response(self.app)
# create bucket+segments to avoid breaking
# functional tests for swift3
try:
cnt = req.container_name + MULTIUPLOAD_SUFFIX
req.get_response(self.app, 'PUT', cnt, '')
except BucketAlreadyExists:
pass
resp.status = HTTP_OK
resp.location = '/' + req.container_name
return resp
def PUT(self, req):
"""
Handle PUT Bucket request
"""
xml = req.xml(MAX_PUT_BUCKET_BODY_SIZE)
if xml:
# check location
try:
elem = fromstring(xml, 'CreateBucketConfiguration')
location = elem.find('./LocationConstraint').text
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
LOGGER.error(e)
raise
if location != CONF.location:
# Swift3 cannot support multiple reagions now.
raise InvalidLocationConstraint()
if CONF.s3_acl:
req_acl = ACL.from_headers(req.headers,
Owner(req.user_id, req.user_id))
# To avoid overwriting the existing bucket's ACL, we send PUT
# request first before setting the ACL to make sure that the target
# container does not exist.
resp = req.get_response(self.app)
# update metadata
req.bucket_acl = req_acl
# FIXME If this request is failed, there is a possibility that the
# bucket which has no ACL is left.
req.get_response(self.app, 'POST')
else:
if 'HTTP_X_AMZ_ACL' in req.environ:
handle_acl_header(req)
resp = req.get_response(self.app)
resp.status = HTTP_OK
resp.location = '/' + req.container_name
return resp
def PUT(self, req): # pylint: disable=invalid-name
"""
Handles PUT Bucket CORS.
"""
log_s3api_command(req, 'put-bucket-cors')
xml = req.xml(MAX_CORS_BODY_SIZE)
try:
data = fromstring(xml, "CorsConfiguration")
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as exc:
LOGGER.error(exc)
raise
# forbid wildcard for ExposeHeader
check_cors_rule(data)
req.headers[BUCKET_CORS_HEADER] = xml
resp = req.get_response(self.app, 'POST')
return convert_response(req, resp, 204, HTTPOk)
def PUT(self, req): # pylint: disable=invalid-name
"""
Handles PUT Bucket CORs.
"""
xml = req.xml(MAX_CORS_BODY_SIZE)
try:
data = fromstring(xml, "CorsConfiguration")
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
# forbid wildcard for ExposeHeader
check_cors_rule(data)
req.headers[BUCKET_CORS_HEADER] = xml
resp = req._get_response(self.app, 'POST', req.container_name, None)
return self.convert(req, resp, 204, HTTPOk)
def POST(self, req):
"""
Handles Complete Multipart Upload.
"""
upload_id = req.params['uploadId']
resp = _get_upload_info(req, self.app, upload_id)
headers = {}
for key, val in resp.headers.iteritems():
_key = key.lower()
if _key.startswith('x-amz-meta-'):
headers['x-object-meta-' + _key[11:]] = val
elif _key == 'content-type':
headers['Content-Type'] = val
# Query for the objects in the segments area to make sure it completed
query = {
'format': 'json',
'prefix': '%s/%s/' % (req.object_name, upload_id),
'delimiter': '/'
}
container = req.container_name + MULTIUPLOAD_SUFFIX
resp = req.get_response(self.app, 'GET', container, '', query=query)
objinfo = json.loads(resp.body)
objtable = dict((o['name'],
{'path': '/'.join(['', container, o['name']]),
'etag': o['hash'],
'size_bytes': o['bytes']}) for o in objinfo)
manifest = []
previous_number = 0
try:
xml = req.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)
if part_number <= previous_number:
raise InvalidPartOrder(upload_id=upload_id)
previous_number = part_number
etag = part_elem.find('./ETag').text
if len(etag) >= 2 and etag[0] == '"' and etag[-1] == '"':
# strip double quotes
etag = etag[1:-1]
info = objtable.get("%s/%s/%s" % (req.object_name, upload_id,
part_number))
if info is None or info['etag'] != etag:
raise InvalidPart(upload_id=upload_id,
part_number=part_number)
manifest.append(info)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
try:
# TODO: add support for versioning
resp = req.get_response(self.app, 'PUT', body=json.dumps(manifest),
query={'multipart-manifest': 'put'},
headers=headers)
except BadSwiftRequest as e:
msg = str(e)
if msg.startswith('Each segment, except the last, '
'must be at least '):
# FIXME: AWS S3 allows a smaller object than 5 MB if there is
# only one part. Use a COPY request to copy the part object
# from the segments container instead.
raise EntityTooSmall(msg)
else:
raise
obj = '%s/%s' % (req.object_name, upload_id)
req.get_response(self.app, 'DELETE', container, obj)
result_elem = Element('CompleteMultipartUploadResult')
SubElement(result_elem, 'Location').text = req.host_url + req.path
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'ETag').text = resp.etag
resp.body = tostring(result_elem)
resp.status = 200
resp.content_type = "application/xml"
return resp
def POST(self, req):
"""
Handles Complete Multipart Upload.
"""
log_s3api_command(req, 'complete-multipart-upload')
upload_id = req.params['uploadId']
resp = _get_upload_info(req, self.app, upload_id)
headers = {}
for key, val in resp.headers.iteritems():
_key = key.lower()
if _key.startswith('x-amz-meta-'):
headers['x-object-meta-' + _key[11:]] = val
elif _key == 'content-type':
headers['Content-Type'] = val
for key, val in resp.sysmeta_headers.items():
_key = key.lower()
if _key == OBJECT_TAGGING_HEADER.lower():
headers[key] = val
# Query for the objects in the segments area to make sure it completed
query = {
'format': 'json',
'prefix': '%s/%s/' % (req.object_name, upload_id),
'delimiter': '/'
}
# Force the master to be sure to fetch all uploaded parts
req.environ.setdefault('oio.query', {})
req.environ['oio.query']['force_master'] = True
container = req.container_name + MULTIUPLOAD_SUFFIX
resp = req.get_response(self.app, 'GET', container, '', query=query)
objinfo = json.loads(resp.body)
# pylint: disable-msg=no-member
objinfo.sort(key=lambda o: int(o['name'].split('/')[-1]))
objtable = dict((o['name'].encode('utf-8'), {
'path': '/'.join(['', container, o['name']]),
'etag': o['hash'],
'size_bytes': o['bytes']
}) for o in objinfo)
s3_etag_hasher = md5()
manifest = []
previous_number = 0
try:
xml = req.xml(MAX_COMPLETE_UPLOAD_BODY_SIZE)
if not xml:
raise InvalidRequest(msg='You must specify at least one part')
if 'content-md5' in req.headers:
# If an MD5 was provided, we need to verify it.
# Note that S3Request already took care of translating to ETag
if req.headers['etag'] != md5(xml).hexdigest():
raise BadDigest(content_md5=req.headers['content-md5'])
# We're only interested in the body here, in the
# multipart-upload controller -- *don't* let it get
# plumbed down to the object-server
del req.headers['etag']
complete_elem = fromstring(xml, 'CompleteMultipartUpload')
for part_elem in complete_elem.iterchildren('Part'):
part_number = int(part_elem.find('./PartNumber').text)
if part_number <= previous_number:
raise InvalidPartOrder(upload_id=upload_id)
previous_number = part_number
etag = part_elem.find('./ETag').text
if len(etag) >= 2 and etag[0] == '"' and etag[-1] == '"':
# strip double quotes
etag = etag[1:-1]
info = objtable.get("%s/%s/%s" %
(req.object_name, upload_id, part_number))
if info is None or info['etag'] != etag:
raise InvalidPart(upload_id=upload_id,
part_number=part_number)
s3_etag_hasher.update(binascii.a2b_hex(etag))
info['size_bytes'] = int(info['size_bytes'])
manifest.append(info)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
LOGGER.error(e)
raise
s3_etag = '%s-%d' % (s3_etag_hasher.hexdigest(), len(manifest))
headers[sysmeta_header('object', 'etag')] = s3_etag
# Leave base header value blank; SLO will populate
c_etag = '; s3_etag=%s' % s3_etag
headers['X-Object-Sysmeta-Container-Update-Override-Etag'] = c_etag
# Following swift commit 7f636a5, zero-byte segments aren't allowed,
# even as the final segment
empty_seg = None
if manifest[-1]['size_bytes'] == 0:
empty_seg = manifest.pop()
# We'll check the sizes of all except the last segment below, but
# since we just popped off a zero-byte segment, we should check
# that last segment, too.
if manifest and manifest[-1]['size_bytes'] < CONF.min_segment_size:
raise EntityTooSmall()
# Check the size of each segment except the last and make sure they are
# all more than the minimum upload chunk size
for info in manifest[:-1]:
if info['size_bytes'] < CONF.min_segment_size:
raise EntityTooSmall()
try:
# TODO: add support for versioning
if manifest:
resp = req.get_response(self.app,
'PUT',
body=json.dumps(manifest),
query={'multipart-manifest': 'put'},
headers=headers)
else:
# the upload must have consisted of a single zero-length part
# just write it directly
resp = req.get_response(self.app,
'PUT',
body='',
headers=headers)
except ErrorResponse as e:
msg = str(e._msg)
expected_msg = 'too small; each segment must be at least 1 byte'
if expected_msg in msg:
# FIXME: AWS S3 allows a smaller object than 5 MB if there is
# only one part. Use a COPY request to copy the part object
# from the segments container instead.
raise EntityTooSmall(msg)
else:
raise
if empty_seg:
# clean up the zero-byte segment
_, empty_seg_cont, empty_seg_name = empty_seg['path'].split('/', 2)
req.get_response(self.app,
'DELETE',
container=empty_seg_cont,
obj=empty_seg_name)
# clean up the multipart-upload record
obj = '%s/%s' % (req.object_name, upload_id)
req.environ['oio.ephemeral_object'] = True
req.get_response(self.app, 'DELETE', container, obj)
result_elem = Element('CompleteMultipartUploadResult')
# 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
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
SubElement(result_elem, 'Location').text = host_url + req.path
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'ETag').text = '"%s"' % s3_etag
del resp.headers['ETag']
resp.body = tostring(result_elem)
resp.status = 200
resp.content_type = "application/xml"
return resp
def POST(self, req):
"""
Handles Complete Multipart Upload.
"""
upload_id = req.params['uploadId']
resp = _get_upload_info(req, self.app, upload_id)
headers = {}
for key, val in resp.headers.iteritems():
_key = key.lower()
if _key.startswith('x-amz-meta-'):
headers['x-object-meta-' + _key[11:]] = val
hct_header = sysmeta_header('object', 'has-content-type')
if resp.sysmeta_headers.get(hct_header) == 'yes':
content_type = resp.sysmeta_headers.get(
sysmeta_header('object', 'content-type'))
elif hct_header in resp.sysmeta_headers:
# has-content-type is present but false, so no content type was
# set on initial upload. In that case, we won't set one on our
# PUT request. Swift will end up guessing one based on the
# object name.
content_type = None
else:
content_type = resp.headers.get('Content-Type')
if content_type:
headers['Content-Type'] = content_type
# Query for the objects in the segments area to make sure it completed
query = {
'format': 'json',
'prefix': '%s/%s/' % (req.object_name, upload_id),
'delimiter': '/'
}
container = req.container_name + MULTIUPLOAD_SUFFIX
resp = req.get_response(self.app, 'GET', container, '', query=query)
objinfo = json.loads(resp.body)
objtable = dict((o['name'],
{'path': '/'.join(['', container, o['name']]),
'etag': o['hash'],
'size_bytes': o['bytes']}) for o in objinfo)
manifest = []
previous_number = 0
try:
xml = req.xml(MAX_COMPLETE_UPLOAD_BODY_SIZE)
if not xml:
raise InvalidRequest(msg='You must specify at least one part')
complete_elem = fromstring(xml, 'CompleteMultipartUpload')
for part_elem in complete_elem.iterchildren('Part'):
part_number = int(part_elem.find('./PartNumber').text)
if part_number <= previous_number:
raise InvalidPartOrder(upload_id=upload_id)
previous_number = part_number
etag = part_elem.find('./ETag').text
if len(etag) >= 2 and etag[0] == '"' and etag[-1] == '"':
# strip double quotes
etag = etag[1:-1]
info = objtable.get("%s/%s/%s" % (req.object_name, upload_id,
part_number))
if info is None or info['etag'] != etag:
raise InvalidPart(upload_id=upload_id,
part_number=part_number)
info['size_bytes'] = int(info['size_bytes'])
manifest.append(info)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
# Following swift commit 7f636a5, zero-byte segments aren't allowed,
# even as the final segment
empty_seg = None
if manifest[-1]['size_bytes'] == 0:
empty_seg = manifest.pop()
# We'll check the sizes of all except the last segment below, but
# since we just popped off a zero-byte segment, we should check
# that last segment, too.
if manifest and manifest[-1]['size_bytes'] < CONF.min_segment_size:
raise EntityTooSmall()
# Check the size of each segment except the last and make sure they are
# all more than the minimum upload chunk size
for info in manifest[:-1]:
if info['size_bytes'] < CONF.min_segment_size:
raise EntityTooSmall()
try:
# TODO: add support for versioning
if manifest:
resp = req.get_response(self.app, 'PUT',
body=json.dumps(manifest),
query={'multipart-manifest': 'put'},
headers=headers)
else:
# the upload must have consisted of a single zero-length part
# just write it directly
resp = req.get_response(self.app, 'PUT', body='',
headers=headers)
except BadSwiftRequest as e:
msg = str(e)
expected_msg = 'too small; each segment must be at least 1 byte'
if expected_msg in msg:
# FIXME: AWS S3 allows a smaller object than 5 MB if there is
# only one part. Use a COPY request to copy the part object
# from the segments container instead.
raise EntityTooSmall(msg)
else:
raise
if empty_seg:
# clean up the zero-byte segment
_, empty_seg_cont, empty_seg_name = empty_seg['path'].split('/', 2)
req.get_response(self.app, 'DELETE',
container=empty_seg_cont, obj=empty_seg_name)
# clean up the multipart-upload record
obj = '%s/%s' % (req.object_name, upload_id)
try:
req.get_response(self.app, 'DELETE', container, obj)
except NoSuchKey:
pass # We know that this existed long enough for us to HEAD
result_elem = Element('CompleteMultipartUploadResult')
# 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
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
SubElement(result_elem, 'Location').text = host_url + req.path
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'ETag').text = resp.etag
resp.body = tostring(result_elem)
resp.status = 200
resp.content_type = "application/xml"
return resp
def POST(self, req):
"""
Handles Complete Multipart Upload.
"""
upload_id = req.params['uploadId']
_check_upload_info(req, self.app, upload_id)
# Query for the objects in the segments area to make sure it completed
query = {
'format': 'json',
'prefix': '%s/%s/' % (req.object_name, upload_id),
'delimiter': '/'
}
container = req.container_name + '+segments'
resp = req.get_response(self.app, 'GET', container, '', query=query)
objinfo = loads(resp.body)
objtable = dict((o['name'], {
'path': '/'.join(['', container, o['name']]),
'etag': o['hash'],
'size_bytes': o['bytes']
}) for o in objinfo)
manifest = []
previous_number = 0
try:
xml = req.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)
if part_number <= previous_number:
raise InvalidPartOrder(upload_id=upload_id)
previous_number = part_number
etag = part_elem.find('./ETag').text
if len(etag) >= 2 and etag[0] == '"' and etag[-1] == '"':
# strip double quotes
etag = etag[1:-1]
info = objtable.get("%s/%s/%s" %
(req.object_name, upload_id, part_number))
if info is None or info['etag'] != etag:
raise InvalidPart(upload_id=upload_id,
part_number=part_number)
manifest.append(info)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
LOGGER.error(e)
raise
try:
# TODO: add support for versioning
resp = req.get_response(self.app,
'PUT',
body=dumps(manifest),
query={'multipart-manifest': 'put'})
except BadSwiftRequest as e:
msg = str(e)
if msg.startswith('Each segment, except the last, '
'must be at least '):
# FIXME: AWS S3 allows a smaller object than 5 MB if there is
# only one part. Use a COPY request to copy the part object
# from the segments container instead.
raise EntityTooSmall(msg)
else:
raise
obj = '%s/%s' % (req.object_name, upload_id)
req.get_response(self.app, 'DELETE', container, obj)
result_elem = Element('CompleteMultipartUploadResult')
SubElement(result_elem, 'Location').text = req.host_url + req.path
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'ETag').text = resp.etag
resp.body = tostring(result_elem)
resp.status = 200
resp.content_type = "application/xml"
return resp
def POST(self, req):
"""
Handles Delete Multiple Objects.
"""
def object_key_iter(elem):
for obj in elem.iterchildren('Object'):
key = obj.find('./Key').text
if not key:
raise UserKeyMustBeSpecified()
version = obj.find('./VersionId')
if version is not None:
version = version.text
yield key, version
# check bucket permission
if CONF.s3_acl:
req.get_response(self.app, 'HEAD')
try:
xml = req.xml(MAX_MULTI_DELETE_BODY_SIZE, check_md5=True)
elem = fromstring(xml, 'Delete')
quiet = elem.find('./Quiet')
if quiet is not None and quiet.text.lower() == 'true':
self.quiet = True
else:
self.quiet = False
delete_list = list(object_key_iter(elem))
if len(delete_list) > CONF.max_multi_delete_objects:
raise MalformedXML()
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
LOGGER.error(e)
raise
elem = Element('DeleteResult')
for key, version in delete_list:
if version is not None:
# TODO: delete the specific version of the object
raise S3NotImplemented()
req.object_name = key
try:
req.get_response(self.app, method='DELETE')
except NoSuchKey:
pass
except ErrorResponse as e:
error = SubElement(elem, 'Error')
SubElement(error, 'Key').text = key
SubElement(error, 'Code').text = e.__class__.__name__
SubElement(error, 'Message').text = e._msg
continue
if not self.quiet:
deleted = SubElement(elem, 'Deleted')
SubElement(deleted, 'Key').text = key
body = tostring(elem)
return HTTPOk(body=body)
def POST(self, req):
"""
Handles Complete Multipart Upload.
"""
upload_id = req.params['uploadId']
resp = _get_upload_info(req, self.app, upload_id)
headers = {}
for key, val in resp.headers.iteritems():
_key = key.lower()
if _key.startswith('x-amz-meta-'):
headers['x-object-meta-' + _key[11:]] = val
elif _key == 'content-type':
headers['Content-Type'] = val
# Query for the objects in the segments area to make sure it completed
query = {
'format': 'json',
'prefix': '%s/%s/' % (req.object_name, upload_id),
'delimiter': '/'
}
container = req.container_name + MULTIUPLOAD_SUFFIX
resp = req.get_response(self.app, 'GET', container, '', query=query)
objinfo = json.loads(resp.body)
objtable = dict((o['name'],
{'path': '/'.join(['', container, o['name']]),
'etag': o['hash'],
'size_bytes': o['bytes']}) for o in objinfo)
manifest = []
previous_number = 0
try:
xml = req.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)
if part_number <= previous_number:
raise InvalidPartOrder(upload_id=upload_id)
previous_number = part_number
etag = part_elem.find('./ETag').text
if len(etag) >= 2 and etag[0] == '"' and etag[-1] == '"':
# strip double quotes
etag = etag[1:-1]
info = objtable.get("%s/%s/%s" % (req.object_name, upload_id,
part_number))
if info is None or info['etag'] != etag:
raise InvalidPart(upload_id=upload_id,
part_number=part_number)
manifest.append(info)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
# Following swift commit 7f636a5, zero-byte segments aren't allowed,
# even as the final segment
if int(info['size_bytes']) == 0:
manifest.pop()
# Ordinarily, we just let SLO check segment sizes. However, we
# just popped off a zero-byte segment; if there was a second
# zero-byte segment and it was at the end, it would succeed on
# Swift < 2.6.0 and fail on newer Swift. It seems reasonable that
# it should always fail.
if manifest and int(manifest[-1]['size_bytes']) == 0:
raise EntityTooSmall()
try:
# TODO: add support for versioning
if manifest:
resp = req.get_response(self.app, 'PUT',
body=json.dumps(manifest),
query={'multipart-manifest': 'put'},
headers=headers)
else:
# the upload must have consisted of a single zero-length part
# just write it directly
resp = req.get_response(self.app, 'PUT', body='',
headers=headers)
except BadSwiftRequest as e:
msg = str(e)
msg_pre_260 = 'Each segment, except the last, must be at least '
# see https://github.com/openstack/swift/commit/c0866ce
msg_260 = ('too small; each segment, except the last, must be '
'at least ')
# see https://github.com/openstack/swift/commit/7f636a5
msg_post_260 = 'too small; each segment must be at least 1 byte'
if msg.startswith(msg_pre_260) or \
msg_260 in msg or msg_post_260 in msg:
# FIXME: AWS S3 allows a smaller object than 5 MB if there is
# only one part. Use a COPY request to copy the part object
# from the segments container instead.
raise EntityTooSmall(msg)
else:
raise
if int(info['size_bytes']) == 0:
# clean up the zero-byte segment
empty_seg_cont, empty_seg_name = info['path'].split('/', 2)[1:]
req.get_response(self.app, 'DELETE',
container=empty_seg_cont, obj=empty_seg_name)
# clean up the multipart-upload record
obj = '%s/%s' % (req.object_name, upload_id)
req.get_response(self.app, 'DELETE', container, obj)
result_elem = Element('CompleteMultipartUploadResult')
# 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
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
SubElement(result_elem, 'Location').text = host_url + req.path
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'ETag').text = resp.etag
resp.body = tostring(result_elem)
resp.status = 200
resp.content_type = "application/xml"
return resp
def POST(self, req):
"""
Handles Delete Multiple Objects.
"""
def object_key_iter(elem):
for obj in elem.iterchildren('Object'):
key = obj.find('./Key').text
if not key:
raise UserKeyMustBeSpecified()
version = obj.find('./VersionId')
if version is not None:
version = version.text
yield key, version
try:
xml = req.xml(MAX_MULTI_DELETE_BODY_SIZE, check_md5=True)
elem = fromstring(xml, 'Delete')
quiet = elem.find('./Quiet')
if quiet is not None and quiet.text.lower() == 'true':
self.quiet = True
else:
self.quiet = False
delete_list = list(object_key_iter(elem))
if len(delete_list) > CONF.max_multi_delete_objects:
raise MalformedXML()
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
elem = Element('DeleteResult')
# check bucket existence
try:
req.get_response(self.app, 'HEAD')
except AccessDenied as error:
body = self._gen_error_body(error, elem, delete_list)
return HTTPOk(body=body)
for key, version in delete_list:
if version is not None:
# TODO: delete the specific version of the object
raise S3NotImplemented()
req.object_name = key
try:
query = req.gen_multipart_manifest_delete_query(self.app)
req.get_response(self.app, method='DELETE', query=query)
except ErrorResponse as e:
error = SubElement(elem, 'Error')
SubElement(error, 'Key').text = key
SubElement(error, 'Code').text = e.__class__.__name__
SubElement(error, 'Message').text = e._msg
continue
if not self.quiet:
deleted = SubElement(elem, 'Deleted')
SubElement(deleted, 'Key').text = key
body = tostring(elem)
return HTTPOk(body=body)
def POST(self, req):
"""
Handles Complete Multipart Upload.
"""
upload_id = req.params['uploadId']
resp = _get_upload_info(req, self.app, upload_id)
headers = {}
for key, val in resp.headers.iteritems():
_key = key.lower()
if _key.startswith('x-amz-meta-'):
headers['x-object-meta-' + _key[11:]] = val
elif _key == 'content-type':
headers['Content-Type'] = val
# Query for the objects in the segments area to make sure it completed
query = {
'format': 'json',
'prefix': '%s/%s/' % (req.object_name, upload_id),
'delimiter': '/'
}
container = req.container_name + MULTIUPLOAD_SUFFIX
resp = req.get_response(self.app, 'GET', container, '', query=query)
objinfo = json.loads(resp.body)
objtable = dict((o['name'], {
'path': '/'.join(['', container, o['name']]),
'etag': o['hash'],
'size_bytes': o['bytes']
}) for o in objinfo)
etag_hash = md5()
for obj in objinfo:
etag_hash.update(unhexlify(obj['hash']))
s3_etag = "%s-%d" % (etag_hash.hexdigest(), len(objinfo))
headers['Content-Type'] += ";s3_etag=%s" % s3_etag
manifest = []
previous_number = 0
try:
xml = req.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)
if part_number <= previous_number:
raise InvalidPartOrder(upload_id=upload_id)
previous_number = part_number
etag = part_elem.find('./ETag').text
if len(etag) >= 2 and etag[0] == '"' and etag[-1] == '"':
# strip double quotes
etag = etag[1:-1]
info = objtable.get("%s/%s/%s" %
(req.object_name, upload_id, part_number))
if info is None or info['etag'] != etag:
raise InvalidPart(upload_id=upload_id,
part_number=part_number)
info['size_bytes'] = int(info['size_bytes'])
manifest.append(info)
except (XMLSyntaxError, DocumentInvalid):
raise MalformedXML()
except ErrorResponse:
raise
except Exception as e:
exc_type, exc_value, exc_traceback = sys.exc_info()
LOGGER.error(e)
raise exc_type, exc_value, exc_traceback
# Following swift commit 7f636a5, zero-byte segments aren't allowed,
# even as the final segment
empty_seg = None
if manifest[-1]['size_bytes'] == 0:
empty_seg = manifest.pop()
# We'll check the sizes of all except the last segment below, but
# since we just popped off a zero-byte segment, we should check
# that last segment, too.
if manifest and manifest[-1]['size_bytes'] < CONF.min_segment_size:
raise EntityTooSmall()
# Check the size of each segment except the last and make sure they are
# all more than the minimum upload chunk size
for info in manifest[:-1]:
if info['size_bytes'] < CONF.min_segment_size:
raise EntityTooSmall()
try:
# TODO: add support for versioning
if manifest:
resp = req.get_response(self.app,
'PUT',
body=json.dumps(manifest),
query={'multipart-manifest': 'put'},
headers=headers)
else:
# the upload must have consisted of a single zero-length part
# just write it directly
resp = req.get_response(self.app,
'PUT',
body='',
headers=headers)
except BadSwiftRequest as e:
msg = str(e)
expected_msg = 'too small; each segment must be at least 1 byte'
if expected_msg in msg:
# FIXME: AWS S3 allows a smaller object than 5 MB if there is
# only one part. Use a COPY request to copy the part object
# from the segments container instead.
raise EntityTooSmall(msg)
else:
raise
if empty_seg:
# clean up the zero-byte segment
_, empty_seg_cont, empty_seg_name = empty_seg['path'].split('/', 2)
req.get_response(self.app,
'DELETE',
container=empty_seg_cont,
obj=empty_seg_name)
# clean up the multipart-upload record
obj = '%s/%s' % (req.object_name, upload_id)
req.get_response(self.app, 'DELETE', container, obj)
result_elem = Element('CompleteMultipartUploadResult')
# 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
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
SubElement(result_elem, 'Location').text = host_url + req.path
SubElement(result_elem, 'Bucket').text = req.container_name
SubElement(result_elem, 'Key').text = req.object_name
SubElement(result_elem, 'ETag').text = '"%s"' % s3_etag
del resp.headers['ETag']
resp.body = tostring(result_elem)
resp.status = 200
resp.content_type = "application/xml"
return resp
