Remove unused safetar file

util/safetar.py

@@ -1,52 +0,0 @@
-import os.path
-import logging
-import copy
-import operator
-
-
-logger = logging.getLogger(__name__)
-
-
-def safe_extractall(tar, path):
-  """Extract all members from the archive to the current working
-     directory and set owner, modification time and permissions on
-     directories afterwards. `path' specifies a different directory
-     to extract to. `members' is optional and must be a subset of the
-     list returned by getmembers().
-  """
-  abs_extract_path = os.path.abspath(path)
-  def is_member_safe(member):
-    """ Returns True if the member is safe, False otherwise. """
-    if member.issym():
-      link_tar_path = os.path.dirname(member.path)
-      abs_link_path = os.path.abspath(os.path.join(path, link_tar_path, member.linkpath))
-      if not abs_link_path.startswith(abs_extract_path):
-        logger.warning('Filtering symlink outside of extract dir: %s', member.linkpath)
-        return False
-    elif member.isblk():
-      logger.warning('Filtering block device from tarfile: %s', member.path)
-      return False
-
-    return True
-
-  directories = []
-
-  for tarinfo in tar:
-    if is_member_safe(tarinfo):
-      if tarinfo.isdir():
-        # Extract directories with a safe mode.
-        directories.append(tarinfo)
-        tarinfo = copy.copy(tarinfo)
-        tarinfo.mode = 0700
-      tar.extract(tarinfo, path)
-
-  # Reverse sort directories.
-  directories.sort(key=operator.attrgetter('name'))
-  directories.reverse()
-
-  # Set correct owner, mtime and filemode on directories.
-  for tarinfo in directories:
-    dirpath = os.path.join(path, tarinfo.name)
-    tar.chown(tarinfo, dirpath)
-    tar.utime(tarinfo, dirpath)
-    tar.chmod(tarinfo, dirpath)