1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
# --
# 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::FS;
use strict;
use warnings;
use parent 'Kernel::System::PostMaster::LoopProtectionCommon';
our @ObjectDependencies = (
'Kernel::Config',
'Kernel::System::Log',
'Kernel::System::DateTime',
);
sub new {
my ( $Type, %Param ) = @_;
my $Self = $Type->SUPER::new(%Param);
$Self->{LoopProtectionLog} = $Kernel::OM->Get('Kernel::Config')->Get('LoopProtectionLog')
|| die 'No Config option "LoopProtectionLog"!';
$Self->{LoopProtectionLog} .= '-' . $Self->{LoopProtectionDate} . '.log';
return $Self;
}
sub SendEmail {
my ( $Self, %Param ) = @_;
my $To = $Param{To} || return;
# write log
## no critic
if ( open( my $Out, '>>', $Self->{LoopProtectionLog} ) ) {
my $DateTimeObject = $Kernel::OM->Create('Kernel::System::DateTime');
## use critic
print $Out "$To;" . $DateTimeObject->Format( Format => '%a %b %{day} %H:%M:%S %Y' ) . ";\n"; ## no critic
close($Out);
}
else {
$Kernel::OM->Get('Kernel::System::Log')->Log(
Priority => 'error',
Message => "LoopProtection! Can't write '$Self->{LoopProtectionLog}': $!!",
);
}
return 1;
}
sub Check {
my ( $Self, %Param ) = @_;
my $To = $Param{To} || return;
my $Count = 0;
# check existing logfile
## no critic
if ( !open( my $In, '<', $Self->{LoopProtectionLog} ) ) {
## use critic
# create new log file
## no critic
if ( !open( my $Out, '>', $Self->{LoopProtectionLog} ) ) {
## use critic
$Kernel::OM->Get('Kernel::System::Log')->Log(
Priority => 'error',
Message => "LoopProtection! Can't write '$Self->{LoopProtectionLog}': $!!",
);
}
else {
close($Out);
}
}
else {
# open old log file
while (<$In>) {
my @Data = split( /;/, $_ );
if ( $Data[0] eq $To ) {
$Count++;
}
}
close($In);
}
# check possible loop
my $Max = $Self->{PostmasterMaxEmailsPerAddress}{ lc $To } // $Self->{PostmasterMaxEmails};
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;
|
