Viewing file:  datetemplate.py (4.74 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
# -*- coding: utf8 -*-
# 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: 692 $
__author__ = "Cyril Jaquier"
__version__ = "$Revision: 692 $"
__date__ = "$Date: 2008-05-18 21:53:18 +0200 (Sun, 18 May 2008) $"
__copyright__ = "Copyright (c) 2004 Cyril Jaquier"
__license__ = "GPL"
import re, time
from mytime import MyTime
import iso8601
class DateTemplate:
def __init__(self):
self.__name = ""
self.__regex = ""
self.__cRegex = None
self.__hits = 0
def setName(self, name):
self.__name = name
def getName(self):
return self.__name
def setRegex(self, regex):
self.__regex = regex.strip()
self.__cRegex = re.compile(regex)
def getRegex(self):
return self.__regex
def getHits(self):
return self.__hits
def matchDate(self, line):
dateMatch = self.__cRegex.search(line)
if not dateMatch == None:
self.__hits += 1
return dateMatch
def getDate(self, line):
raise Exception("matchDate() is abstract")
class DateEpoch(DateTemplate):
def __init__(self):
DateTemplate.__init__(self)
# We already know the format for TAI64N
self.setRegex("^\d{10}(\.\d{6})?")
def getDate(self, line):
date = None
dateMatch = self.matchDate(line)
if dateMatch:
# extract part of format which represents seconds since epoch
date = list(time.localtime(float(dateMatch.group())))
return date
##
# Use strptime() to parse a date. Our current locale is the 'C'
# one because we do not set the locale explicitly. This is POSIX
# standard.
class DateStrptime(DateTemplate):
TABLE = dict()
TABLE["Jan"] = []
TABLE["Feb"] = [u"Fév"]
TABLE["Mar"] = [u"Mär"]
TABLE["Apr"] = ["Avr"]
TABLE["May"] = ["Mai"]
TABLE["Jun"] = []
TABLE["Jul"] = []
TABLE["Aug"] = ["Aou"]
TABLE["Sep"] = []
TABLE["Oct"] = ["Okt"]
TABLE["Nov"] = []
TABLE["Dec"] = [u"Déc", "Dez"]
def __init__(self):
DateTemplate.__init__(self)
self.__pattern = ""
def setPattern(self, pattern):
self.__pattern = pattern.strip()
def getPattern(self):
return self.__pattern
#@staticmethod
def convertLocale(date):
for t in DateStrptime.TABLE:
for m in DateStrptime.TABLE[t]:
if date.find(m) >= 0:
return date.replace(m, t)
return date
convertLocale = staticmethod(convertLocale)
def getDate(self, line):
date = None
dateMatch = self.matchDate(line)
if dateMatch:
try:
# Try first with 'C' locale
date = list(time.strptime(dateMatch.group(), self.getPattern()))
except ValueError:
# Try to convert date string to 'C' locale
conv = self.convertLocale(dateMatch.group())
try:
date = list(time.strptime(conv, self.getPattern()))
except ValueError:
# Try to add the current year to the pattern. Should fix
# the "Feb 29" issue.
conv += " %s" % MyTime.gmtime()[0]
pattern = "%s %%Y" % self.getPattern()
date = list(time.strptime(conv, pattern))
if date[0] < 2000:
# There is probably no year field in the logs
date[0] = MyTime.gmtime()[0]
# Bug fix for #1241756
# If the date is greater than the current time, we suppose
# that the log is not from this year but from the year before
if time.mktime(date) > MyTime.time():
date[0] -= 1
return date
class DateTai64n(DateTemplate):
def __init__(self):
DateTemplate.__init__(self)
# We already know the format for TAI64N
self.setRegex("@[0-9a-f]{24}")
def getDate(self, line):
date = None
dateMatch = self.matchDate(line)
if dateMatch:
# extract part of format which represents seconds since epoch
value = dateMatch.group()
seconds_since_epoch = value[2:17]
date = list(time.gmtime(int(seconds_since_epoch, 16)))
return date
class DateISO8601(DateTemplate):
def __init__(self):
DateTemplate.__init__(self)
date_re = "[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}" \
".[0-9]{2}:[0-9]{2}:[0-9]{2}(\.[0-9]+)?" \
"(Z|(([-+])([0-9]{2}):([0-9]{2})))?"
self.setRegex(date_re)
def getDate(self, line):
date = None
dateMatch = self.matchDate(line)
if dateMatch:
# Parses the date.
value = dateMatch.group()
print value
date = list(iso8601.parse_date(value).utctimetuple())
return date
|