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408 lines
13 KiB
Perl
408 lines
13 KiB
Perl
# File: MessageHistory.pm
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# Author: pragma_
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#
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# Purpose: Keeps track of who has said what and when, as well as their
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# nickserv accounts and alter-hostmasks.
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#
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# Used in conjunction with AntiFlood and Quotegrabs for kick/ban on
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# flood/ban-evasion and grabbing quotes, respectively.
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package PBot::MessageHistory;
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use warnings;
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use strict;
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use Getopt::Long qw(GetOptionsFromString);
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use Time::HiRes qw(gettimeofday tv_interval);
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use Time::Duration;
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use Carp ();
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use PBot::MessageHistory_SQLite;
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sub new {
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if(ref($_[1]) eq 'HASH') {
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Carp::croak("Options to " . __FILE__ . " should be key/value pairs, not hash reference");
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}
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->{pbot} = delete $conf{pbot} // Carp::croak("Missing pbot reference to " . __FILE__);
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$self->{filename} = delete $conf{filename} // $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/message_history.sqlite3';
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$self->{database} = PBot::MessageHistory_SQLite->new(pbot => $self->{pbot}, filename => $self->{filename});
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$self->{database}->begin();
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$self->{database}->devalidate_all_channels();
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$self->{MSG_CHAT} = 0; # PRIVMSG, ACTION
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$self->{MSG_JOIN} = 1; # JOIN
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$self->{MSG_DEPARTURE} = 2; # PART, QUIT, KICK
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$self->{MSG_NICKCHANGE} = 3; # CHANGED NICK
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$self->{pbot}->{registry}->add_default('text', 'messagehistory', 'max_recall_time', $conf{max_recall_time} // 0);
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$self->{pbot}->{registry}->add_default('text', 'messagehistory', 'max_messages', 32);
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$self->{pbot}->{commands}->register(sub { $self->recall_message(@_) }, "recall", 0);
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$self->{pbot}->{commands}->register(sub { $self->list_also_known_as(@_) }, "aka", 0);
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$self->{pbot}->{commands}->register(sub { $self->rebuild_aliases(@_) }, "rebuildaliases", 90);
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$self->{pbot}->{commands}->register(sub { $self->aka_link(@_) }, "akalink", 60);
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$self->{pbot}->{commands}->register(sub { $self->aka_unlink(@_) }, "akaunlink", 60);
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$self->{pbot}->{atexit}->register(sub { $self->{database}->end(); return; });
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}
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sub get_message_account {
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my ($self, $nick, $user, $host) = @_;
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return $self->{database}->get_message_account($nick, $user, $host);
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}
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sub add_message {
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my ($self, $account, $mask, $channel, $text, $mode) = @_;
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$self->{database}->add_message($account, $mask, $channel, { timestamp => scalar gettimeofday, msg => $text, mode => $mode });
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}
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sub rebuild_aliases {
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my ($self, $from, $nick, $user, $host, $arguments) = @_;
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$self->{database}->rebuild_aliases_table;
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}
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sub aka_link {
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my ($self, $from, $nick, $user, $host, $arguments) = @_;
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my ($id, $alias, $type) = split /\s+/, $arguments;
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$type = $self->{database}->{alias_type}->{STRONG} if not defined $type;
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if (not $id or not $alias) {
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return "Usage: link <target id> <alias id> [type]";
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}
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my $source = $self->{database}->find_most_recent_hostmask($id);
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my $target = $self->{database}->find_most_recent_hostmask($alias);
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if (not $source) {
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return "No such id $id found.";
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}
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if (not $target) {
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return "No such id $alias found.";
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}
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if ($self->{database}->link_alias($id, $alias, $type)) {
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return "$source " . ($type == $self->{database}->{alias_type}->{WEAK} ? "weakly" : "strongly") . " linked to $target.";
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} else {
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return "Link failed.";
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}
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}
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sub aka_unlink {
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my ($self, $from, $nick, $user, $host, $arguments) = @_;
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my ($id, $alias) = split /\s+/, $arguments;
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if (not $id or not $alias) {
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return "Usage: unlink <target id> <alias id>";
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}
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my $source = $self->{database}->find_most_recent_hostmask($id);
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my $target = $self->{database}->find_most_recent_hostmask($alias);
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if (not $source) {
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return "No such id $id found.";
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}
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if (not $target) {
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return "No such id $alias found.";
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}
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if ($self->{database}->unlink_alias($id, $alias)) {
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return "$source unlinked from $target.";
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} else {
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return "Unlink failed.";
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}
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}
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sub list_also_known_as {
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my ($self, $from, $nick, $user, $host, $arguments) = @_;
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my $usage = "Usage: aka [-hingr] <nick>; -h show hostmasks; -i show ids; -n show nickserv accounts; -g show gecos, -r show relationships";
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if(not length $arguments) {
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return $usage;
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}
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my $getopt_error;
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local $SIG{__WARN__} = sub {
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$getopt_error = shift;
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chomp $getopt_error;
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};
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Getopt::Long::Configure ("bundling");
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my ($show_hostmasks, $show_gecos, $show_nickserv, $show_id, $show_relationship, $show_weak, $dont_use_aliases_table);
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my ($ret, $args) = GetOptionsFromString($arguments,
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'h' => \$show_hostmasks,
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'n' => \$show_nickserv,
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'r' => \$show_relationship,
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'g' => \$show_gecos,
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'w' => \$show_weak,
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'nt' => \$dont_use_aliases_table,
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'i' => \$show_id);
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return "$getopt_error -- $usage" if defined $getopt_error;
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return "Too many arguments -- $usage" if @$args > 1;
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return "Missing argument -- $usage" if @$args != 1;
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my %akas = $self->{database}->get_also_known_as(@$args[0], $dont_use_aliases_table);
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if(%akas) {
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my $result = "@$args[0] also known as:\n";
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my %nicks;
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my $sep = "";
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foreach my $aka (sort keys %akas) {
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next if $aka =~ /^Guest\d+(?:!.*)?$/;
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next if $akas{$aka}->{type} == $self->{database}->{alias_type}->{WEAK} && not $show_weak;
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if (not $show_hostmasks) {
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my ($nick) = $aka =~ m/([^!]+)/;
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next if exists $nicks{$nick};
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$nicks{$nick}->{id} = $akas{$aka}->{id};
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$result .= "$sep$nick";
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} else {
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$result .= "$sep$aka";
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}
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$result .= "?" if $akas{$aka}->{nickchange} == 1;
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$result .= " ($akas{$aka}->{nickserv})" if $show_nickserv and exists $akas{$aka}->{nickserv};
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$result .= " {$akas{$aka}->{gecos}}" if $show_gecos and exists $akas{$aka}->{gecos};
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if ($show_relationship) {
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if ($akas{$aka}->{id} == $akas{$aka}->{alias}) {
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$result .= " [$akas{$aka}->{id}]";
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} else {
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$result .= " [$akas{$aka}->{id} -> $akas{$aka}->{alias}]";
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}
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} elsif ($show_id) {
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$result .= " [$akas{$aka}->{id}]";
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}
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$result .= " [WEAK]" if $akas{$aka}->{type} == $self->{database}->{alias_type}->{WEAK};
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if ($show_hostmasks or $show_nickserv or $show_gecos or $show_id or $show_relationship) {
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$sep = ",\n";
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} else {
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$sep = ", ";
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}
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}
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return $result;
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} else {
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return "I don't know anybody named @$args[0].";
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}
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}
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sub recall_message {
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my ($self, $from, $nick, $user, $host, $arguments) = @_;
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if(not defined $from) {
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$self->{pbot}->{logger}->log("Command missing ~from parameter!\n");
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return "";
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}
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my $usage = 'Usage: recall [nick [history [channel]]] [-c,channel <channel>] [-t,text,h,history <history>] [-b,before <context before>] [-a,after <context after>] [-x,context <nick>] [-n,count <count>] [+ ...]';
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if(not defined $arguments or not length $arguments) {
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return $usage;
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}
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$arguments = lc $arguments;
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my @recalls = split /\s\+\s/, $arguments;
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my $getopt_error;
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local $SIG{__WARN__} = sub {
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$getopt_error = shift;
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chomp $getopt_error;
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};
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my $recall_text = '';
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Getopt::Long::Configure ("bundling");
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foreach my $recall (@recalls) {
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my ($recall_nick, $recall_history, $recall_channel, $recall_before, $recall_after, $recall_context, $recall_count);
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my ($ret, $args) = GetOptionsFromString($recall,
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'channel|c:s' => \$recall_channel,
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'text|t|history|h:s' => \$recall_history,
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'before|b:i' => \$recall_before,
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'after|a:i' => \$recall_after,
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'count|n:i' => \$recall_count,
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'context|x:s' => \$recall_context);
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return "$getopt_error -- $usage" if defined $getopt_error;
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my $channel_arg = 1 if defined $recall_channel;
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my $history_arg = 1 if defined $recall_history;
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$recall_nick = shift @$args;
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$recall_history = shift @$args if not defined $recall_history;
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$recall_channel = shift @$args if not defined $recall_channel;
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$recall_count = 1 if (not defined $recall_count) || ($recall_count <= 0);
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return "You may only select a count of up to 50 messages." if $recall_count > 50;
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$recall_before = 0 if not defined $recall_before;
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$recall_after = 0 if not defined $recall_after;
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if ($recall_before + $recall_after > 200) {
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return "You may only select up to 200 lines of surrounding context.";
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}
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if ($recall_count > 1 and ($recall_before > 0 or $recall_after > 0)) {
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return "The `count` and `context before/after` options cannot be used together.";
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}
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# swap nick and channel if recall nick looks like channel and channel wasn't specified
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if(not $channel_arg and $recall_nick =~ m/^#/) {
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my $temp = $recall_nick;
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$recall_nick = $recall_channel;
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$recall_channel = $temp;
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}
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$recall_history = 1 if not defined $recall_history;
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# swap history and channel if history looks like a channel and neither history or channel were specified
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if(not $channel_arg and not $history_arg and $recall_history =~ m/^#/) {
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my $temp = $recall_history;
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$recall_history = $recall_channel;
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$recall_channel = $temp;
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}
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# skip recall command if recalling self without arguments
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$recall_history = $nick eq $recall_nick ? 2 : 1 if defined $recall_nick and not defined $recall_history;
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# set history to most recent message if not specified
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$recall_history = '1' if not defined $recall_history;
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# set channel to current channel if not specified
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$recall_channel = $from if not defined $recall_channel;
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# another sanity check for people using it wrong
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if ($recall_channel !~ m/^#/) {
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$recall_history = "$recall_channel $recall_history";
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$recall_channel = $from;
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}
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if (not defined $recall_nick and defined $recall_context) {
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$recall_nick = $recall_context;
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}
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my ($account, $found_nick);
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if(defined $recall_nick) {
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($account, $found_nick) = $self->{database}->find_message_account_by_nick($recall_nick);
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if(not defined $account) {
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return "I don't know anybody named $recall_nick.";
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}
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$found_nick =~ s/!.*$//;
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}
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my $message;
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if($recall_history =~ /^\d+$/) {
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# integral history
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if(defined $account) {
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my $max_messages = $self->{database}->get_max_messages($account, $recall_channel);
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if ($recall_history < 1 || $recall_history > $max_messages) {
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if ($max_messages == 0) {
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my @channels = $self->{database}->get_channels($account);
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my $result = "No messages for $recall_nick in $recall_channel; I have messages for them in ";
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my $comma = '';
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my $count = 0;
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foreach my $channel (sort @channels) {
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next if $channel !~ /^#/;
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$result .= "$comma$channel";
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$comma = ', ';
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$count++;
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}
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if ($count == 0) {
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return "I have no messages for $recall_nick.";
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} else {
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return "$result.";
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}
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} else {
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return "Please choose a history between 1 and $max_messages";
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}
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}
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}
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$recall_history--;
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$message = $self->{database}->recall_message_by_count($account, $recall_channel, $recall_history, 'recall');
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if(not defined $message) {
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return "No message found at index $recall_history in channel $recall_channel.";
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}
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} else {
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# regex history
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$message = $self->{database}->recall_message_by_text($account, $recall_channel, $recall_history, 'recall');
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if(not defined $message) {
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if(defined $account) {
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return "No message for nick $found_nick in channel $recall_channel containing \"$recall_history\"";
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} else {
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return "No message in channel $recall_channel containing \"$recall_history\".";
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}
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}
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}
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my $context_account;
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if (defined $recall_context) {
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($context_account) = $self->{database}->find_message_account_by_nick($recall_context);
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if(not defined $context_account) {
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return "I don't know anybody named $recall_context.";
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}
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}
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my $messages = $self->{database}->get_message_context($message, $recall_before, $recall_after, $recall_count, $recall_history, $context_account);
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my $max_recall_time = $self->{pbot}->{registry}->get_value('messagehistory', 'max_recall_time');
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foreach my $msg (@$messages) {
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$self->{pbot}->{logger}->log("$nick ($from) recalled <$msg->{nick}/$msg->{channel}> $msg->{msg}\n");
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if ($max_recall_time && gettimeofday - $msg->{timestamp} > $max_recall_time && not $self->{pbot}->{admins}->loggedin($from, "$nick!$user\@$host")) {
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$max_recall_time = duration($max_recall_time);
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$recall_text .= "Sorry, you can not recall messages older than $max_recall_time.";
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return $recall_text;
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}
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my $text = $msg->{msg};
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my $ago = concise ago(gettimeofday - $msg->{timestamp});
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if($text =~ s/^\/me\s+// or $text =~ m/^KICKED /) {
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$recall_text .= "[$ago] * $msg->{nick} $text\n";
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} else {
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$recall_text .= "[$ago] <$msg->{nick}> $text\n";
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}
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}
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}
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return $recall_text;
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}
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1;
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