fail2ban/server/failregex.py

61 lines
1.8 KiB
Python

# This file is part of Fail2Ban.
#
# Fail2Ban is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Fail2Ban is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Fail2Ban; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Author: Cyril Jaquier
#
# $Revision: 589 $
__author__ = "Cyril Jaquier"
__version__ = "$Revision: 589 $"
__date__ = "$Date: 2007-06-25 23:43:25 +0200 (Mon, 25 Jun 2007) $"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"
from regex import Regex, RegexException
##
# Regular expression class.
#
# This class represents a regular expression with its compiled version.
class FailRegex(Regex):
##
# Constructor.
#
# Creates a new object. This method can throw RegexException in order to
# avoid construction of invalid object.
# @param value the regular expression
def __init__(self, regex):
# Initializes the parent.
Regex.__init__(self, regex)
# Check for group "host"
if "host" not in self._regexObj.groupindex:
raise RegexException("No 'host' group in '%s'" % self._regex)
##
# Returns the matched host.
#
# This corresponds to the pattern matched by the named group "host".
# @return the matched host
def getHost(self):
host = self._matchCache.group("host")
if host == None:
raise RegexException("Unexpected error. Please check your regex")
return host