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143 lines
4.0 KiB
Perl
143 lines
4.0 KiB
Perl
# File: BlackList.pm
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#
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# Purpose: Manages list of hostmasks that are not allowed to join a channel.
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# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Core::BlackList;
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use parent 'PBot::Core::Class';
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use PBot::Imports;
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sub initialize {
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my ($self, %conf) = @_;
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$self->{filename} = $conf{filename};
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$self->{storage} = {};
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$self->load;
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}
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sub add {
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my ($self, $channel, $hostmask) = @_;
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$self->{storage}->{lc $channel}->{lc $hostmask} = 1;
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$self->save;
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}
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sub remove {
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my ($self, $channel, $hostmask) = @_;
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$channel = lc $channel;
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$hostmask = lc $hostmask;
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if (exists $self->{storage}->{$channel}) {
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delete $self->{storage}->{$channel}->{$hostmask};
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if (not keys %{$self->{storage}->{$channel}}) {
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delete $self->{storage}->{$channel};
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}
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}
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$self->save;
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}
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sub clear {
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my ($self) = @_;
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$self->{storage} = {};
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}
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sub load {
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my ($self) = @_;
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if (not $self->{filename}) {
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$self->{pbot}->{logger}->log("No blacklist path specified -- skipping loading of blacklist");
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return;
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}
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$self->{pbot}->{logger}->log("Loading blacklist from $self->{filename} ...\n");
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open(FILE, "< $self->{filename}") or Carp::croak "Couldn't open $self->{filename}: $!\n";
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my @contents = <FILE>;
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close(FILE);
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my $i = 0;
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foreach my $line (@contents) {
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chomp $line;
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$i++;
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my ($channel, $hostmask) = split(/\s+/, $line);
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if (not defined $hostmask || not defined $channel) {
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Carp::croak "Syntax error around line $i of $self->{filename}\n";
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}
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if (exists $self->{storage}->{$channel}->{$hostmask}) {
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Carp::croak "Duplicate blacklist entry $hostmask $channel found in $self->{filename} around line $i\n";
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}
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$self->{storage}->{$channel}->{$hostmask} = 1;
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}
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$self->{pbot}->{logger}->log(" $i entries in blacklist\n");
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}
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sub save {
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my ($self) = @_;
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if (not $self->{filename}) {
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$self->{pbot}->{logger}->log("No blacklist path specified -- skipping saving of blacklist\n");
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return;
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}
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open(FILE, "> $self->{filename}") or die "Couldn't open $self->{filename}: $!\n";
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foreach my $channel (keys %{$self->{storage}}) {
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foreach my $hostmask (keys %{$self->{storage}->{$channel}}) {
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print FILE "$channel $hostmask\n";
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}
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}
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close FILE;
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}
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sub is_blacklisted {
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my ($self, $hostmask, $channel, $nickserv, $gecos) = @_;
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return 0 if not defined $channel;
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my $result = eval {
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foreach my $black_channel (keys %{$self->{storage}}) {
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foreach my $black_hostmask (keys %{$self->{storage}->{$black_channel}}) {
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next if $channel !~ /^$black_channel$/i;
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my $flag = '';
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if ($black_hostmask =~ s/^\$(.)://) {
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$flag = $1;
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}
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if ($flag eq 'a' && defined $nickserv && $nickserv =~ /^$black_hostmask$/i) {
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$self->{pbot}->{logger}->log("$hostmask nickserv $nickserv blacklisted in channel $channel (matches [\$a:$black_hostmask] host and [$black_channel] channel)\n");
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return 1;
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} elsif ($flag eq 'r' && defined $gecos && $gecos =~ /^$black_hostmask$/i) {
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$self->{pbot}->{logger}->log("$hostmask GECOS $gecos blacklisted in channel $channel (matches [\$r:$black_hostmask] host and [$black_channel] channel)\n");
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return 1;
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} elsif ($flag eq '' && $hostmask =~ /^$black_hostmask$/i) {
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$self->{pbot}->{logger}->log("$hostmask blacklisted in channel $channel (matches [$black_hostmask] host and [$black_channel] channel)\n");
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return 1;
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}
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}
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}
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return 0;
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};
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if (my $exception = $@) {
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$self->{pbot}->{logger}->log("Error in blacklist: $exception");
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return 0;
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}
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return $result;
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}
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1;
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