def open(self, path, flags, attr):
""" open just for file
:param path: file path
:param flags: SSH_FXF_READ|SSH_FXF_WRITE|SSH_FXF_APPEND|SSH_FXF_CREAT|SSH_FXF_TRUNC|SSH_FXF_EXCL
:param attr: not useful for obs
:return: file handler
"""
perm = config.getConfig().auth.get(self._userName).get('perm')
# put
if flags & os.O_WRONLY:
if 'put' not in perm.split(','):
self._logClient.log(logging.ERROR,
'user [%s] not supported put operation' , self._userName)
return SFTP_OP_UNSUPPORTED
elif flags == os.O_RDONLY:
if 'get' not in perm.split(','):
self._logClient.log(logging.ERROR,
'user [%s] not supported get operation' , self._userName)
return SFTP_OP_UNSUPPORTED
else:
# TODO read and write and append
raise Exception('Read and Write| Append operation is not support. flags [%d]' % flags)
_path = self._realpath(path)
bucketName, key = ObsSftpUtil.getBucketAndKey(_path)
auditDict = {'obs_start_time': ObsSftpUtil.utcFormater(time.time()), 'obs_bucket': bucketName, 'obs_key': key}
obsAdapter = obsadpter.ObsAdapter(client=self._client, bucketName=bucketName, key=key,
logClient=self._logClient, ar=self._ar, connHost=self._connHost)
if not self._obsAdapters:
self._obsAdapters = []
self._obsAdapters.append(obsAdapter)
self._ar.update(auditDict)
_key = ObsSftpUtil.maybeAddTrailingSlash(key)
# TODO just successfully for object bucket. file bucket need mode for jungle folder
if obsAdapter.dirInfo(bucketName, _key):
self._logClient.log(logging.WARNING,
'Open key [%s] of bucket [%s] failed. error message [Client want to open a dir].', _key,
bucketName)
return SFTP_FAILURE
try:
fobj = ObsSftpFileHandle(flags=flags, obsAdapter=obsAdapter, bucketName=bucketName, key=key,
logClient=self._logClient, sftpServer=self)
return fobj
except Exception as e:
self._logClient.log(logging.ERROR, 'Open key [%s] of bucket [%s] failed. error message [%s] - %s.', key,
bucketName, str(e), traceback.format_exc())
if 'not support' in str(e):
return SFTP_OP_UNSUPPORTED
return SFTP_FAILURE
def rmdir(self, path):
obsAdapter = None
try:
_path = self._realpath(path)
bucketName, key = ObsSftpUtil.getBucketAndKey(_path)
_key = ObsSftpUtil.maybeAddTrailingSlash(key)
obsAdapter = obsadpter.ObsAdapter(client=self._client, bucketName=bucketName, key=_key,
logClient=self._logClient, ar=self._ar, connHost=self._connHost)
if not obsAdapter.dirInfo(bucketName, _key):
self._logClient.log(logging.DEBUG,
'Rmdir key [%s] of bucket [%s] failed. error message [dir is not exists].',
_key, bucketName)
self._ar.update({'obs_key': _key, 'obs_bucket': bucketName})
return SFTP_NO_SUCH_FILE
return SFTP_OK if obsAdapter.rmDir() else SFTP_FAILURE
finally:
del obsAdapter