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pbot/lib/PBot/MessageHistory.pm
2021-07-13 19:45:56 -07:00

548 lines
20 KiB
Perl

# File: MessageHistory.pm
#
# Purpose: Keeps track of who has said what and when, as well as their
# nickserv accounts and alter-hostmasks.
#
# Used in conjunction with AntiFlood and Quotegrabs for kick/ban on
# flood/ban-evasion and grabbing quotes, respectively.
# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
# SPDX-License-Identifier: MIT
package PBot::MessageHistory;
use parent 'PBot::Class';
use PBot::Imports;
use Getopt::Long qw(GetOptionsFromArray);
use Time::HiRes qw(time tv_interval);
use Time::Duration;
use PBot::MessageHistory_SQLite;
sub initialize {
my ($self, %conf) = @_;
$self->{filename} = $conf{filename} // $self->{pbot}->{registry}->get_value('general', 'data_dir') . '/message_history.sqlite3';
$self->{database} = PBot::MessageHistory_SQLite->new(pbot => $self->{pbot}, filename => $self->{filename});
$self->{database}->begin();
$self->{database}->devalidate_all_channels();
$self->{MSG_CHAT} = 0; # PRIVMSG, ACTION
$self->{MSG_JOIN} = 1; # JOIN
$self->{MSG_DEPARTURE} = 2; # PART, QUIT, KICK
$self->{MSG_NICKCHANGE} = 3; # CHANGED NICK
$self->{pbot}->{registry}->add_default('text', 'messagehistory', 'max_recall_time', $conf{max_recall_time} // 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_recall_message(@_) }, "recall", 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_rebuild_aliases(@_) }, "rebuildaliases", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_list_also_known_as(@_) }, "aka", 0);
$self->{pbot}->{commands}->register(sub { $self->cmd_aka_link(@_) }, "akalink", 1);
$self->{pbot}->{commands}->register(sub { $self->cmd_aka_unlink(@_) }, "akaunlink", 1);
# add capabilities to admin group
$self->{pbot}->{capabilities}->add('admin', 'can-akalink', 1);
$self->{pbot}->{capabilities}->add('admin', 'can-akaunlink', 1);
$self->{pbot}->{atexit}->register(sub { $self->{database}->end(); return; });
}
sub cmd_list_also_known_as {
my ($self, $context) = @_;
my $usage = "Usage: aka [-hilngr] <nick> [-sort <by>]; -h show hostmasks; -i show ids; -l show last seen, -n show nickserv accounts; -g show gecos, -r show relationships";
if (not length $context->{arguments}) {
return $usage;
}
my $getopt_error;
local $SIG{__WARN__} = sub {
$getopt_error = shift;
chomp $getopt_error;
};
Getopt::Long::Configure("bundling_override");
my $sort_method = undef;
my ($show_hostmasks, $show_gecos, $show_nickserv, $show_id, $show_relationship, $show_weak, $show_last_seen, $dont_use_aliases_table);
my @opt_args = $self->{pbot}->{interpreter}->split_line($context->{arguments}, strip_quotes => 1);
GetOptionsFromArray(
\@opt_args,
'h' => \$show_hostmasks,
'l' => \$show_last_seen,
'n' => \$show_nickserv,
'r' => \$show_relationship,
'g' => \$show_gecos,
'w' => \$show_weak,
'z' => \$dont_use_aliases_table,
'i' => \$show_id,
'sort|s=s' => \$sort_method,
);
return "/say $getopt_error -- $usage" if defined $getopt_error;
return "Too many arguments -- $usage" if @opt_args > 1;
return "Missing argument -- $usage" if @opt_args != 1;
$sort_method = 'seen' if $show_last_seen and not defined $sort_method;
$sort_method = 'nick' if not defined $sort_method;
my %sort = (
'id' => sub {
if ($_[1] eq '+') {
return $_[0]->{$a}->{id} <=> $_[0]->{$b}->{id};
} else {
return $_[0]->{$b}->{id} <=> $_[0]->{$a}->{id};
}
},
'seen' => sub {
if ($_[1] eq '+') {
return $_[0]->{$b}->{last_seen} <=> $_[0]->{$a}->{last_seen};
} else {
return $_[0]->{$a}->{last_seen} <=> $_[0]->{$b}->{last_seen};
}
},
'nickserv' => sub {
if ($_[1] eq '+') {
return lc $_[0]->{$a}->{nickserv} cmp lc $_[0]->{$b}->{nickserv};
} else {
return lc $_[0]->{$b}->{nickserv} cmp lc $_[0]->{$a}->{nickserv};
}
},
'nick' => sub {
if ($_[1] eq '+') {
return lc $_[0]->{$a}->{nick} cmp lc $_[0]->{$b}->{nick};
} else {
return lc $_[0]->{$b}->{nick} cmp lc $_[0]->{$a}->{nick};
}
},
'user' => sub {
if ($_[1] eq '+') {
return lc $_[0]->{$a}->{user} cmp lc $_[0]->{$b}->{user};
} else {
return lc $_[0]->{$b}->{user} cmp lc $_[0]->{$a}->{user};
}
},
'host' => sub {
if ($_[1] eq '+') {
return lc $_[0]->{$a}->{host} cmp lc $_[0]->{$b}->{host};
} else {
return lc $_[0]->{$b}->{host} cmp lc $_[0]->{$a}->{host};
}
},
'hostmask' => sub {
if ($_[1] eq '+') {
return lc $_[0]->{$a}->{hostmask} cmp lc $_[0]->{$b}->{hostmask};
} else {
return lc $_[0]->{$b}->{hostmask} cmp lc $_[0]->{$a}->{hostmask};
}
},
'gecos' => sub {
if ($_[1] eq '+') {
return lc $_[0]->{$a}->{gecos} cmp lc $_[0]->{$b}->{gecos};
} else {
return lc $_[0]->{$b}->{gecos} cmp lc $_[0]->{$a}->{gecos};
}
},
);
my $sort_direction = '+';
if ($sort_method =~ s/^(\+|\-)//) {
$sort_direction = $1;
}
if (not exists $sort{$sort_method}) {
return "Invalid sort method '$sort_method'; valid methods are: " . join(', ', sort keys %sort) . "; prefix with - to invert sort direction.";
}
my %akas = $self->{database}->get_also_known_as($opt_args[0], $dont_use_aliases_table);
if (%akas) {
my $result = "$opt_args[0] also known as:\n";
my %nicks;
my $sep = "";
foreach my $aka (sort { $sort{$sort_method}->(\%akas, $sort_direction) } keys %akas) {
next if $aka =~ /^Guest\d+(?:!.*)?$/;
next if exists $akas{$aka}->{type} and $akas{$aka}->{type} == $self->{database}->{alias_type}->{WEAK} && not $show_weak;
if (not $show_hostmasks) {
my ($nick) = $aka =~ m/([^!]+)/;
next if exists $nicks{$nick};
$nicks{$nick}->{id} = $akas{$aka}->{id};
$result .= "$sep$nick";
} else {
$result .= "$sep$aka";
}
$result .= "?" if $akas{$aka}->{nickchange} == 1;
$result .= " ($akas{$aka}->{nickserv})" if $show_nickserv and exists $akas{$aka}->{nickserv};
$result .= " {$akas{$aka}->{gecos}}" if $show_gecos and exists $akas{$aka}->{gecos};
if ($show_relationship) {
if ($akas{$aka}->{id} == $akas{$aka}->{alias}) {
$result .= " [$akas{$aka}->{id}]";
} else {
$result .= " [$akas{$aka}->{id} -> $akas{$aka}->{alias}]";
}
} elsif ($show_id) {
$result .= " [$akas{$aka}->{id}]";
}
$result .= " [WEAK]" if exists $akas{$aka}->{type} and $akas{$aka}->{type} == $self->{database}->{alias_type}->{WEAK};
if ($show_last_seen) {
my $seen = concise ago (time - $akas{$aka}->{last_seen});
$result .= " (seen $seen)";
}
if ($show_hostmasks or $show_nickserv or $show_gecos or $show_id or $show_relationship) {
$sep = ",\n";
} else {
$sep = ", ";
}
}
return $result;
} else {
return "I don't know anybody named $opt_args[0].";
}
}
sub cmd_recall_message {
my ($self, $context) = @_;
my $usage = 'Usage: recall [nick [history [channel]]] [-c <channel>] [-t <text>] [-b <context before>] [-a <context after>] [-x <filter to nick>] [-n <count>] [-r raw mode] [+ ...]';
my $arguments = $context->{arguments};
if (not length $arguments) {
return $usage;
}
$arguments = lc $arguments;
my @recalls = split /\s\+\s/, $arguments;
my $getopt_error;
local $SIG{__WARN__} = sub {
$getopt_error = shift;
chomp $getopt_error;
};
my $result = '';
Getopt::Long::Configure("bundling_override");
# global state
my ($recall_channel, $raw, $random);
foreach my $recall (@recalls) {
my ($recall_nick, $recall_text, $recall_history, $recall_before, $recall_after, $recall_context, $recall_count);
my @opt_args = $self->{pbot}->{interpreter}->split_line($recall, strip_quotes => 1);
GetOptionsFromArray(
\@opt_args,
'channel|c=s' => \$recall_channel,
'history|h=s' => \$recall_history,
'text|t=s' => \$recall_text,
'before|b=i' => \$recall_before,
'after|a=i' => \$recall_after,
'count|n=i' => \$recall_count,
'context|x=s' => \$recall_context,
'raw|r' => \$raw,
'random' => \$random,
);
return "/say $getopt_error -- $usage" if defined $getopt_error;
if (defined $recall_history and defined $recall_text) {
return "/say $context->{nick}: The -h and -t options cannot be used together.";
}
# we swap these $recall variables around so much later on that we
# need to remember which flags were explicitly set...
my $channel_arg = 1 if defined $recall_channel;
my $history_arg = 1 if defined $recall_history;
$recall_nick = shift @opt_args if @opt_args;
$recall_history = shift @opt_args if @opt_args and not $history_arg and not defined $recall_text;
if (not $channel_arg) {
$recall_channel = "@opt_args" if @opt_args;
} else {
if (defined $recall_history) {
$recall_history .= ' ';
}
$recall_history .= "@opt_args" if @opt_args;
}
if (defined $recall_text and not defined $recall_history) {
$recall_history = $recall_text;
}
my $max_count = $self->{pbot}->{registry}->get_value('messagehistory', 'max_recall_count') // 50;
if ((not defined $recall_count) || ($recall_count <= 0)) {
$recall_count = 1;
}
if ($recall_count > $max_count) {
return "You may only select a count of up to $max_count messages.";
}
$recall_before = 0 if not defined $recall_before;
$recall_after = 0 if not defined $recall_after;
# imply -x if -n > 1 and -x isn't already set to somebody
if ($recall_count > 1 and not defined $recall_context) {
$recall_context = $recall_nick;
}
# make -n behave like -b if -n > 1 and no history is specified
if (not defined $recall_history and $recall_count > 1) {
$recall_before = $recall_count - 1;
$recall_count = 0;
}
if ($recall_before + $recall_after > 100) { return "You may only select up to 100 lines of surrounding context."; }
if ($recall_count > 1 and ($recall_before > 0 or $recall_after > 0)) { return "The `count` and `before/after` options cannot be used together."; }
# swap nick and channel if recall nick looks like channel and channel wasn't specified
if (not $channel_arg and $recall_nick =~ m/^#/) {
my $temp = $recall_nick;
$recall_nick = $recall_channel;
$recall_channel = $temp;
}
$recall_history = 1 if not defined $recall_history;
# swap history and channel if history looks like a channel and neither history or channel were specified
if (not $channel_arg and not $history_arg and $recall_history =~ m/^#/) {
my $temp = $recall_history;
$recall_history = $recall_channel;
$recall_channel = $temp;
}
# skip recall command if recalling self without arguments
if (defined $recall_nick and not defined $recall_history) {
$recall_history = $context->{nick} eq $recall_nick ? 2 : 1;
}
# set history to most recent message if not specified
$recall_history = '1' if not defined $recall_history;
# set channel to current channel if not specified
$recall_channel = $context->{from} if not defined $recall_channel;
# yet another sanity check for people using it wrong
if ($recall_channel !~ m/^#/) {
$recall_history = "$recall_history $recall_channel";
$recall_channel = $context->{from};
}
# set nick argument to -x argument if no nick was provided but -x was
if (not defined $recall_nick and defined $recall_context) {
$recall_nick = $recall_context;
}
# message account and stored nickname with proper typographical casing
my ($account, $found_nick);
# get message account and found nick if a nick was provided
if (defined $recall_nick) {
# account and hostmask
($account, $found_nick) = $self->{database}->find_message_account_by_nick($recall_nick);
if (not defined $account) {
return "I don't know anybody named $recall_nick.";
}
# keep only nick portion of hostmask
$found_nick =~ s/!.*$//;
}
# matching message found in database, if any
my $message;
if ($random) {
# get a random message
$message = $self->{database}->get_random_message($account, $recall_channel, $recall_nick);
} elsif ($recall_history =~ /^\d+$/ and not defined $recall_text) {
# integral history
# if a nick was given, ensure requested history is within range of nick's history count
if (defined $account) {
my $max_messages = $self->{database}->get_max_messages($account, $recall_channel, $recall_nick);
if ($recall_history < 1 || $recall_history > $max_messages) {
if ($max_messages == 0) {
return "No messages for $recall_nick in $recall_channel yet.";
} else {
return "Please choose a history between 1 and $max_messages";
}
}
}
$recall_history--;
$message = $self->{database}->recall_message_by_count($account, $recall_channel, $recall_history, '(?:recall|mock|ftfy|fix|clapper)', $recall_nick);
if (not defined $message) {
if (defined $account) {
return "No message found at index $recall_history for $found_nick in $recall_channel.";
} else {
return "No message found at index $recall_history in $recall_channel.";
}
}
} else {
# regex history
$message = $self->{database}->recall_message_by_text($account, $recall_channel, $recall_history, '(?:recall|mock|ftfy|fix|clapper)', $recall_nick);
if (not defined $message) {
if (defined $account) {
return "No message for $found_nick in $recall_channel containing \"$recall_history\"";
} else {
return "No message in $recall_channel containing \"$recall_history\".";
}
}
}
my ($context_account, $context_nick);
if (defined $recall_context) {
($context_account, $context_nick) = $self->{database}->find_message_account_by_nick($recall_context);
if (not defined $context_account) {
return "I don't know anybody named $recall_context.";
}
# keep only nick portion of hostmask
$context_nick =~ s/!.*$//;
}
my $messages = $self->{database}->get_message_context($message, $recall_before, $recall_after, $recall_count, $recall_history, $context_account, $context_nick);
my $max_recall_time = $self->{pbot}->{registry}->get_value('messagehistory', 'max_recall_time');
foreach my $msg (@$messages) {
# optionally limit messages by by a maximum recall duration from the current time, for privacy
if ($max_recall_time && time - $msg->{timestamp} > $max_recall_time
&& not $self->{pbot}->{users}->loggedin_admin($context->{from}, $context->{hostmask}))
{
$max_recall_time = duration $max_recall_time;
$result .= "Sorry, you can not recall messages older than $max_recall_time.";
return $result;
}
my $text = $msg->{msg};
my $ago = concise ago (time - $msg->{timestamp});
my $nick;
if (not $raw) {
if ($msg->{hostmask}) {
($nick) = $msg->{hostmask} =~ /^([^!]+)!/;
} else {
$nick = $self->{database}->find_most_recent_hostmask($msg->{id});
($nick) = $nick =~ m/^([^!]+)/;
}
}
if ( $text =~ s/^(NICKCHANGE)\b/changed nick to/
or $text =~ s/^(KICKED|QUIT)\b/lc "$1"/e
or $text =~ s/^MODE ([^ ]+) (.*)/set mode $1 on $2/
or $text =~ s/^(JOIN|PART)\b/lc "$1ed"/e)
{
$text =~ s/^(quit) (.*)/$1 ($2)/; # fix ugly "[nick] quit Quit: Leaving."
$result .= $raw ? "$text\n" : "[$ago] $nick $text\n";
}
elsif ($text =~ s/^\/me\s+//) {
$result .= $raw ? "$text\n" : "[$ago] * $nick $text\n";
}
else {
$result .= $raw ? "$text\n" : "[$ago] <$nick> $text\n";
}
}
}
return $result;
}
sub cmd_rebuild_aliases {
my ($self, $context) = @_;
$self->{database}->rebuild_aliases_table;
}
sub cmd_aka_link {
my ($self, $context) = @_;
my ($id, $alias, $type) = split /\s+/, $context->{arguments};
$type = $self->{database}->{alias_type}->{STRONG} if not defined $type;
if (not $id or not $alias) {
return "Usage: link <target id> <alias id> [type]";
}
my $source = $self->{database}->find_most_recent_hostmask($id);
my $target = $self->{database}->find_most_recent_hostmask($alias);
if (not $source) {
return "No such id $id found.";
}
if (not $target) {
return "No such id $alias found.";
}
if ($self->{database}->link_alias($id, $alias, $type)) {
return "/say $source " . ($type == $self->{database}->{alias_type}->{WEAK} ? "weakly" : "strongly") . " linked to $target.";
} else {
return "Link failed.";
}
}
sub cmd_aka_unlink {
my ($self, $context) = @_;
my ($id, $alias) = split /\s+/, $context->{arguments};
if (not $id or not $alias) {
return "Usage: unlink <target id> <alias id>";
}
my $source = $self->{database}->find_most_recent_hostmask($id);
my $target = $self->{database}->find_most_recent_hostmask($alias);
if (not $source) {
return "No such id $id found.";
}
if (not $target) {
return "No such id $alias found.";
}
if ($self->{database}->unlink_alias($id, $alias)) {
return "/say $source unlinked from $target.";
} else {
return "Unlink failed.";
}
}
sub get_message_account {
my ($self, $nick, $user, $host) = @_;
return $self->{database}->get_message_account($nick, $user, $host);
}
sub add_message {
my ($self, $account, $mask, $channel, $text, $mode) = @_;
$self->{database}->add_message($account, $mask, $channel, { timestamp => scalar time, msg => $text, mode => $mode });
}
1;