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Contents
#
# iplookup.rb: included TDiary::Filter::IplookupFilter class
#
#
# Copyright (c) 2008 SHIBATA Hiroshi <shibata.hiroshi@gmail.com>
# Distributed under the GPL2
#
require 'resolv'
module TDiary
module Filter
class IplookupFilter < Filter
def iplookup_init
if @conf.options.include?('iplookup.ip.list')
@iplookup_ip_list = @conf.options['iplookup.ip.list']
else
@iplookup_ip_list = "bsb.spamlookup.net\nopm.blitzed.org\n" +
"niku.2ch.net\ndnsbl.spam-champuru.livedoor.com"
end
end
def black_ip?( address )
chance = 2
ip = address.gsub(/^(\d+)\.(\d+)\.(\d+)\.(\d+)$/, '\4.\3.\2.\1')
@iplookup_ip_list.split(/\n+/).each do |dnsbl|
begin
address = Resolv.getaddress( "#{ip}.#{dnsbl}" )
return true
rescue Resolv::ResolvTimeout
if chance > 0
chance -= 1
retry
end
rescue Resolv::ResolvError
rescue Exception
end
end
return false
end
def comment_filter( diary, comment )
iplookup_init
return false if black_ip?( @cgi.remote_addr )
return true
end
def referer_filter( referer )
iplookup_init
return false if black_ip?( @cgi.remote_addr )
return true
end
end
end
end
Version data entries
46 entries across 40 versions & 2 rubygems