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# --
# Kernel/System/PostMaster/LoopProtection/FS.pm - backend module of LoopProtection
# Copyright (C) 2001-2007 OTRS GmbH, http://otrs.org/
# --
# $Id: FS.pm,v 1.7 2007/03/19 22:24:59 martin Exp $
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (GPL). If you
# did not receive this file, see http://www.gnu.org/licenses/gpl.txt.
# --
package Kernel::System::PostMaster::LoopProtection::FS;
use strict;
use vars qw($VERSION);
$VERSION = '$Revision: 1.7 $';
$VERSION =~ s/^\$.*:\W(.*)\W.+?$/$1/;
sub new {
my $Type = shift;
my %Param = @_;
# allocate new hash for object
my $Self = {};
bless ($Self, $Type);
# get needed objects
foreach (qw(DBObject LogObject ConfigObject)) {
$Self->{$_} = $Param{$_} || die "Got no $_!";
}
# get config options
$Self->{LoopProtectionLog} = $Self->{ConfigObject}->Get('LoopProtectionLog')
|| die 'No Config option "LoopProtectionLog"!';
$Self->{PostmasterMaxEmails} = $Self->{ConfigObject}->Get('PostmasterMaxEmails') || 40;
# create logfile name
my ($Sec, $Min, $Hour, $Day, $Month, $Year) = localtime(time);
$Year=$Year+1900;
$Month++;
$Self->{LoopProtectionLog} .= '-'.$Year.'-'.$Month.'-'.$Day.'.log';
return $Self;
}
sub SendEmail {
my $Self = shift;
my %Param = @_;
my $To = $Param{To} || return;
# write log
if (open (DATA, ">> $Self->{LoopProtectionLog}")) {
print DATA "$To;".localtime().";\n";
close (DATA);
}
else {
$Self->{LogObject}->Log(
Priority => 'error',
Message => "LoopProtection! Can't write '$Self->{LoopProtectionLog}': $!!",
);
}
return 1;
}
sub Check {
my $Self = shift;
my %Param = @_;
my $To = $Param{To} || return;
my $Count = 0;
# check existing logfile
if (!open (DATA, "< $Self->{LoopProtectionLog}")) {
# create new log file
if (!open (DATA, "> $Self->{LoopProtectionLog}")) {
$Self->{LogObject}->Log(
Priority => 'error',
Message => "LoopProtection! Can't write '$Self->{LoopProtectionLog}': $!!",
);
}
else {
close (DATA);
}
}
else {
# open old log file
while (<DATA>) {
my @Data = split(/;/, $_);
if ($Data[0] eq $To) {
$Count++;
}
}
close (DATA);
}
# check possible loop
if ($Count >= $Self->{PostmasterMaxEmails}) {
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "LoopProtection!!! Send no more emails to '$To'! Max. count of $Self->{PostmasterMaxEmails} has been reached!",
);
return;
}
else {
return 1;
}
}
1;
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