def _handle_download_file_operation(self, operation):
try:
# Note: it is a normal file, not a directory
CryptoUtils.set_temp_file(operation, self.cfg)
success = self._handle_network_transfer_operation(operation)
if success:
actual_etag = success['actual_etag']
res = self._check_download_integrity(operation, actual_etag)
if not res['valid']:
# Detected an integrity error. Badly bad.
self._server_session.signal_download_integrity_error(
operation, res['reason'],
res['expected_etag'], res['expected_basis'],
res['actual_etag'], res['computed_basis'])
return
self._make_directories_to(operation.pathname)
if operation.to_decrypt:
# We have not finished yet, leaving the rest to decrypter.
# Note: the decrypter duplicates the following ending logic
self.cryptoAdapter.put(operation)
return
# It is a valid cleartext file, move it to the warebox
self.warebox.move(operation.temp_pathname,
operation.pathname,
operation.conflicted)
self.logger.debug(u"Operation has been completed "
"successfully: %s" % operation)
self.logger.info(u'Synchronized pathname: %s "%s"'
% (operation.verb, operation.pathname))
lmtime = self.warebox.get_last_modification_time(operation.pathname)
operation.lmtime = lmtime
operation.notify_pathname_status_change(PStatuses.ALIGNED)
operation.complete()
except Exception as e:
self.logger.error(u"Error while downloading: %r."
" Rejecting the operation: %s" % (e, operation))
self.logger.error(u"Stacktrace: %r" % traceback.format_exc())
operation.reject()
finally:
# Just in case the move had failed for any reason
if not operation.to_decrypt:
if operation.temp_pathname is not None \
and os.path.exists(operation.temp_pathname):
_try_remove(operation.temp_pathname, self.logger)
def prepare(self, cfg, enc_dir):
"""
Adds out_pathname and key parameters depending on the task's verb
and configuration object
@param cfg: configuration manager instance
@param enc_dir: the encryption directory path
"""
self.key = unhexlify(cfg.get('User', 'encryption_key'))
self.__check_enc_dir(enc_dir)
if self.task.to_encrypt:
CryptoUtils.set_temp_file(self.task, cfg, enc_dir)
self.iv = Random.new().read(16)
self.task.iv = unicode(hexlify(self.iv))
self.out_pathname = self.task.encrypted_pathname
elif self.task.to_decrypt:
if not self.task.encrypted_pathname:
CryptoUtils.set_temp_file(self.task, cfg, enc_dir)
self.in_pathname = self.task.encrypted_pathname
def prepare(self, cfg, enc_dir):
"""
Adds out_pathname and key parameters depending on the task's verb
and configuration object
@param cfg: configuration manager instance
@param enc_dir: the encryption directory path
"""
self.key = unhexlify(cfg.get('User', 'encryption_key'))
self.__check_enc_dir(enc_dir)
if self.task.to_encrypt:
CryptoUtils.set_temp_file(self.task, cfg, enc_dir)
self.iv = Random.new().read(16)
self.task.iv = unicode(hexlify(self.iv))
self.out_pathname = self.task.encrypted_pathname
elif self.task.to_decrypt:
if not self.task.encrypted_pathname:
CryptoUtils.set_temp_file(self.task, cfg, enc_dir)
self.in_pathname = self.task.encrypted_pathname
