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#
# logactio - simple framework for doing configured action on certain
# log file events
#
# Copyright 2012 David Sommerseth <dazo@users.sourceforge.net>
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For the avoidance of doubt the "preferred form" of this code is one which
# is in an open unpatent encumbered format. Where cryptographic key signing
# forms part of the process of creating an executable the information
# including keys needed to generate an equivalently functional executable
# are deemed to be part of the source code.
#
import sys, urllib, urllib2
from LogActio import Message, ReporterQueue
class HTTPreporter(ReporterQueue.ReporterQueue):
"""Simple LogActio reporter module, sending alerts via HTTP/HTTPS
Example configuration to be used in /etc/logactio.cfg
[Reporter:HTTP]
module: HTTPreporter
method: POST
url: http://alerts.example.com/logactio/alerts.php
This will send reports to the given URL using POST. If you want
to use GET instead of POST, modify or remove the 'method' variable
"""
def __init__(self, config, logger = None):
if not config.has_key("url"):
raise Exception("HTTPreporter is not configured with a URL")
self.__method = config.has_key("method") and config["method"] or "GET"
self.__url = config["url"]
self.__log = logger and logger or self.__logfnc
if self.__method != "GET" and self.__method != "POST":
raise Exception("HTTPreporter is configured with an invalid submission method: '%s'" %
str(self.__method))
ReporterQueue.ReporterQueue.__init__(self,
"HTTPreporter",
"HTTP Reporter",
self.__processqueue)
def __logfnc(self, lvl, msg):
print "%s" % msg
sys.stdout.flush()
def __processqueue(self):
done = False
# Process the message queue
while not done:
msg = self._QueueGet()
if( msg.MessageType() == Message.MSG_SHUTDOWN ):
# Prepare for shutdown
done = True
elif( msg.MessageType() == Message.MSG_SEND ):
m = msg.Message()
m["priority"] = msg.Priority()
data = urllib.urlencode(m)
if self.__method == "GET":
req = urllib2.Request("%s?%s" % (self.__url, data))
self.__log(1, "[HTTPreporter] GET %s?%s" % (self.__url, data))
elif self.__method == "POST":
req = urllib2.Request(self.__url, data)
self.__log(1, "[HTTPreporter] POST %s {%s}" % (self.__url, data))
else:
self.__log(0, "[HTTPreporter] Unknown method '%s'" %
self.__method)
res = urllib2.urlopen(req)
self.__log(4, "[HTTPreporter] Repsonse: %s" % res.read())
def ProcessEvent(self, logfile, prefix, msg, count, threshold):
# Format the report message
msg = {"prefix": prefix, "count": count, "threshold": threshold,
"message": msg, "logfile": logfile}
# Queue the message for sending
self._QueueMsg(0, msg)
def InitReporter(config, logger = None):
return HTTPreporter(config, logger)
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