def GETorHEAD(self, env, start_response):
if env['REQUEST_METHOD'] == 'HEAD':
head = True
env['REQUEST_METHOD'] = 'GET'
else:
head = False
if 'QUERY_STRING' in env:
args = dict(urlparse.parse_qsl(env['QUERY_STRING'], 1))
else:
args = {}
# Let s3multi handle it.
if 'uploadId' in args:
return self.app(env, start_response)
env['QUERY_STRING'] = ''
if 'acl' in args:
env['QUERY_STRING'] += 'acl'
env['REQUEST_METHOD'] = 'HEAD'
if 'versionId' in args:
env['QUERY_STRING'] += 'versionId=%s' % args['versionId']
app_iter = self._app_call(env)
if head:
app_iter = None
if 'acl' in args and not head:
env['REQUEST_METHOD'] = 'GET' # recover HTTP method
status = self._get_status_int()
headers = dict(self._response_headers)
if is_success(status):
if 'QUERY_STRING' in env:
args = dict(urlparse.parse_qsl(env['QUERY_STRING'], 1))
else:
args = {}
if 'acl' in args:
resp = get_s3_acl(headers, obj_server.ACL_HEADERS, 'object')
return resp
new_hdrs = {}
for key, val in headers.iteritems():
_key = key.lower()
if _key.startswith('x-object-meta-'):
new_hdrs['x-amz-meta-' + key[14:]] = val
elif _key in ('content-length', 'content-type',
'content-range', 'content-encoding',
'etag', 'last-modified'):
new_hdrs[key] = val
return Response(status=status, headers=new_hdrs, app_iter=app_iter)
elif status in (HTTP_UNAUTHORIZED, HTTP_FORBIDDEN):
return get_err_response('AccessDenied')
elif status == HTTP_NOT_FOUND:
return get_err_response('NoSuchKey')
else:
return get_err_response('InvalidURI')
def GET(self, env, start_response):
"""
Handle GET Bucket (List Objects) request
"""
if 'QUERY_STRING' in env:
args = dict(urlparse.parse_qsl(env['QUERY_STRING'], 1))
else:
args = {}
if 'max-keys' in args:
if args.get('max-keys').isdigit() is False:
return get_err_response('InvalidArgument')
max_keys = min(int(args.get('max-keys', MAX_BUCKET_LISTING)),
MAX_BUCKET_LISTING)
if 'acl' in args:
env['REQUEST_METHOD'] = 'HEAD'
else:
# acl request sent with format=json etc confuses swift
env['QUERY_STRING'] = 'format=json&limit=%s' % (max_keys + 1)
if 'versions' in args:
env['QUERY_STRING'] += '&versions'
if 'marker' in args:
env['QUERY_STRING'] += '&marker=%s' % quote(args['marker'])
if 'prefix' in args:
env['QUERY_STRING'] += '&prefix=%s' % quote(args['prefix'])
if 'delimiter' in args:
env['QUERY_STRING'] += '&delimiter=%s' % quote(args['delimiter'])
body_iter = self._app_call(env)
status = self._get_status_int()
headers = dict(self._response_headers)
if 'acl' in args:
env['REQUEST_METHOD'] = 'GET' # recover HTTP method
if is_success(status) and 'acl' in args:
return get_s3_acl(headers, container_server.ACL_HEADERS,
'container')
if status != HTTP_OK:
if status in (HTTP_UNAUTHORIZED, HTTP_FORBIDDEN):
return get_err_response('AccessDenied')
elif status == HTTP_NOT_FOUND:
return get_err_response('NoSuchBucket')
else:
return get_err_response('InvalidURI')
if 'location' in args:
body = ('<?xml version="1.0" encoding="UTF-8"?>'
'<LocationConstraint '
'xmlns="http://s3.amazonaws.com/doc/2006-03-01/"')
if self.location == 'US':
body += '/>'
else:
body += ('>%s</LocationConstraint>' % self.location)
return Response(body=body, content_type='application/xml')
if 'versioning' in args:
vers = self._response_header_value('x-container-versioning') or ''
body = (
'<VersioningConfiguration '
'xmlns="http://s3.amazonaws.com/doc/2006-03-01/">'
'<Status>%s</Status></VersioningConfiguration>' %
vers.capitalize())
return Response(body=body, content_type='application/xml')
if 'logging' in args:
# logging disabled
body = ('<?xml version="1.0" encoding="UTF-8"?>'
'<BucketLoggingStatus '
'xmlns="http://doc.s3.amazonaws.com/2006-03-01" />')
return Response(body=body, content_type='application/xml')
objects = loads(''.join(list(body_iter)))
if 'versions' in args:
obj_list = []
for obj in objects:
if 'subdir' not in obj:
if obj['deleted']:
name = xml_escape(unquote(obj['name'].encode('utf-8')))
obj_list.append(
'<DeleteMarker>'
'<Key>%s</Key>'
'<VersionId>%s</VersionId>'
'<IsLatest>%s</IsLatest>'
'<LastModified>%s</LastModified>'
'</DeleteMarker>' % (
name, obj['version_id'],
'true' if obj['is_latest'] else 'false',
obj['last_modified']))
else:
name = xml_escape(unquote(obj['name'].encode('utf-8')))
obj_list.append(
'<Version>'
'<Key>%s</Key>'
'<VersionId>%s</VersionId>'
'<IsLatest>%s</IsLatest>'
'<LastModified>%s</LastModified>'
'<ETag>"%s"</ETag>'
'<Size>%s</Size>'
'<StorageClass>STANDARD</StorageClass>'
'<Owner>'
'<ID>%s</ID>'
'<DisplayName>%s</DisplayName>'
'</Owner>'
'</Version>' % (
name, obj['version_id'],
'true' if obj['is_latest'] else 'false',
obj['last_modified'], obj['hash'],
obj['bytes'], obj['owner'], obj['owner']))
body = ('<?xml version="1.0" encoding="UTF-8"?>'
'<ListVersionsResult '
'xmlns="http://s3.amazonaws.com/doc/2006-03-01">'
'<Prefix>%s</Prefix>'
'<KeyMarker>%s</KeyMarker>'
'<VersionIdMarker>%s</VersionIdMarker>'
'<Delimiter>%s</Delimiter>'
'<IsTruncated>%s</IsTruncated>'
'<MaxKeys>%s</MaxKeys>'
'<Name>%s</Name>'
'%s'
'%s'
'</ListVersionsResult>' % (
xml_escape(args.get('prefix', '')),
xml_escape(args.get('key-marker', '')),
xml_escape(args.get('version-id-marker', '')),
xml_escape(args.get('delimiter', '')),
'true' if len(objects) == (max_keys + 1) else 'false',
max_keys,
xml_escape(self.container_name),
"".join(obj_list),
"".join([
'<CommonPrefixes><Prefix>%s</Prefix></CommonPrefixes>'
% xml_escape(i['subdir'])
for i in objects[:max_keys] if 'subdir' in i])))
else:
obj_list = []
prefixes = []
for i in objects:
if 'subdir' in i:
name = xml_escape(unquote(i['subdir'].encode('utf-8')))
prefixes.append('<CommonPrefixes>'
'<Prefix>%s</Prefix>'
'</CommonPrefixes>' % name)
else:
name = xml_escape(unquote(i['name'].encode('utf-8')))
owner = i.get('owner', self.account_name)
obj_list.append(
'<Contents>'
'<Key>%s</Key>'
'<LastModified>%sZ</LastModified>'
'<ETag>%s</ETag>'
'<Size>%s</Size>'
'<StorageClass>STANDARD</StorageClass>'
'<Owner>'
'<ID>%s</ID>'
'<DisplayName>%s</DisplayName>'
'</Owner>'
'</Contents>' %
(name, i['last_modified'], i['hash'], i['bytes'],
owner, owner))
body = ('<?xml version="1.0" encoding="UTF-8"?>'
'<ListBucketResult '
'xmlns="http://s3.amazonaws.com/doc/2006-03-01">'
'<Prefix>%s</Prefix>'
'<Marker>%s</Marker>'
'<Delimiter>%s</Delimiter>'
'<IsTruncated>%s</IsTruncated>'
'<MaxKeys>%s</MaxKeys>'
'<Name>%s</Name>'
'%s'
'%s'
'</ListBucketResult>' % (
xml_escape(args.get('prefix', '')),
xml_escape(args.get('marker', '')),
xml_escape(args.get('delimiter', '')),
'true' if (max_keys > 0 and
len(objects) == (max_keys + 1)) else 'false',
max_keys,
xml_escape(self.container_name),
''.join(obj_list),
''.join(prefixes)))
return Response(body=body, content_type='application/xml')
