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# --
# Copyright (C) 2001-2021 OTRS AG, https://otrs.com/
# --
# 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 https://www.gnu.org/licenses/gpl-3.0.txt.
# --
package Kernel::System::PostMaster::LoopProtection::DB;
use strict;
use warnings;
use parent 'Kernel::System::PostMaster::LoopProtectionCommon';
our @ObjectDependencies = (
'Kernel::Config',
'Kernel::System::DB',
'Kernel::System::Log',
'Kernel::System::DateTime',
);
sub SendEmail {
my ( $Self, %Param ) = @_;
# get database object
my $DBObject = $Kernel::OM->Get('Kernel::System::DB');
my $To = $Param{To} || return;
# insert log
return if !$DBObject->Do(
SQL => "INSERT INTO ticket_loop_protection (sent_to, sent_date)"
. " VALUES ('"
. $DBObject->Quote($To)
. "', '$Self->{LoopProtectionDate}')",
);
# delete old enrties
return if !$DBObject->Do(
SQL => "DELETE FROM ticket_loop_protection WHERE "
. " sent_date != '$Self->{LoopProtectionDate}'",
);
return 1;
}
sub Check {
my ( $Self, %Param ) = @_;
# get database object
my $DBObject = $Kernel::OM->Get('Kernel::System::DB');
my $To = $Param{To} || return;
my $Count = 0;
# check existing logfile
my $SQL = "SELECT count(*) FROM ticket_loop_protection "
. " WHERE sent_to = '" . $DBObject->Quote($To) . "' AND "
. " sent_date = '$Self->{LoopProtectionDate}'";
$DBObject->Prepare( SQL => $SQL );
while ( my @Row = $DBObject->FetchrowArray() ) {
$Count = $Row[0];
}
my $Max = $Self->{PostmasterMaxEmailsPerAddress}{ lc $To } // $Self->{PostmasterMaxEmails};
# check possible loop
if ( $Max && $Count >= $Max ) {
$Kernel::OM->Get('Kernel::System::Log')->Log(
Priority => 'notice',
Message =>
"LoopProtection: send no more emails to '$To'! Max. count of $Self->{PostmasterMaxEmails} has been reached!",
);
return;
}
return 1;
}
1;
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