[b38b0b2] | 1 | use strict; |
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| 2 | use warnings; |
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| 3 | |
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| 4 | package BarnOwl::Module::IRC::Connection; |
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[3b4ba7d] | 5 | use BarnOwl::Timer; |
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[b38b0b2] | 6 | |
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| 7 | =head1 NAME |
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| 8 | |
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| 9 | BarnOwl::Module::IRC::Connection |
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| 10 | |
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| 11 | =head1 DESCRIPTION |
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| 12 | |
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[ba2ca66] | 13 | This module is a wrapper around Net::IRC::Connection for BarnOwl's IRC |
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[b38b0b2] | 14 | support |
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| 15 | |
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| 16 | =cut |
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| 17 | |
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[8ba9313] | 18 | use AnyEvent::IRC::Client; |
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[09bd74c] | 19 | use AnyEvent::IRC::Util qw(split_prefix prefix_nick encode_ctcp); |
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[ba2ca66] | 20 | |
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[8ba9313] | 21 | use base qw(Class::Accessor); |
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| 22 | use Exporter 'import'; |
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[4787581] | 23 | __PACKAGE__->mk_accessors(qw(conn alias motd names_tmp whois_tmp server autoconnect_channels)); |
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[8ba9313] | 24 | our @EXPORT_OK = qw(is_private); |
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[b38b0b2] | 25 | |
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| 26 | use BarnOwl; |
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[3acab0e] | 27 | use Scalar::Util qw(weaken); |
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[b38b0b2] | 28 | |
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| 29 | sub new { |
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| 30 | my $class = shift; |
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| 31 | my $alias = shift; |
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[8ba9313] | 32 | my $host = shift; |
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| 33 | my $port = shift; |
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| 34 | my $args = shift; |
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| 35 | my $nick = $args->{nick}; |
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| 36 | my $conn = AnyEvent::IRC::Client->new(); |
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[ba2ca66] | 37 | my $self = bless({}, $class); |
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| 38 | $self->conn($conn); |
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[8ba9313] | 39 | $self->autoconnect_channels([]); |
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[b38b0b2] | 40 | $self->alias($alias); |
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[8ba9313] | 41 | $self->server($host); |
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[ba2ca66] | 42 | $self->motd(""); |
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[d264c6d] | 43 | $self->names_tmp(0); |
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[38cfdb5d] | 44 | $self->whois_tmp(""); |
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[ba2ca66] | 45 | |
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[851a0e0] | 46 | if(delete $args->{SSL}) { |
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| 47 | $conn->enable_ssl; |
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| 48 | } |
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| 49 | $conn->connect($host, $port, $args); |
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| 50 | $conn->{heap}{parent} = $self; |
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| 51 | weaken($conn->{heap}{parent}); |
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| 52 | |
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| 53 | sub on { |
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| 54 | my $meth = "on_" . shift; |
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| 55 | return sub { |
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| 56 | my $conn = shift; |
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| 57 | return unless $conn->{heap}{parent}; |
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| 58 | $conn->{heap}{parent}->$meth(@_); |
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| 59 | } |
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| 60 | } |
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| 61 | |
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[8ba9313] | 62 | # $self->conn->add_default_handler(sub { shift; $self->on_event(@_) }); |
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[249bbbe] | 63 | $self->conn->reg_cb(registered => on("connect"), |
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[851a0e0] | 64 | connfail => sub { BarnOwl::error("Connection to $host failed!") }, |
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| 65 | disconnect => on("disconnect"), |
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| 66 | publicmsg => on("msg"), |
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[41ade7f] | 67 | privatemsg => on("msg"), |
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| 68 | irc_error => on("error")); |
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[8ba9313] | 69 | for my $m (qw(welcome yourhost created |
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| 70 | luserclient luserop luserchannels luserme |
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| 71 | error)) { |
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[851a0e0] | 72 | $self->conn->reg_cb("irc_$m" => on("admin_msg")); |
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[8ba9313] | 73 | } |
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[851a0e0] | 74 | $self->conn->reg_cb(irc_375 => on("motdstart"), |
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| 75 | irc_372 => on("motd"), |
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| 76 | irc_376 => on("endofmotd"), |
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| 77 | irc_join => on("join"), |
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| 78 | irc_part => on("part"), |
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| 79 | irc_quit => on("quit"), |
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| 80 | irc_433 => on("nickinuse"), |
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| 81 | channel_topic => on("topic"), |
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| 82 | irc_333 => on("topicinfo"), |
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| 83 | irc_353 => on("namreply"), |
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| 84 | irc_366 => on("endofnames"), |
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| 85 | irc_311 => on("whois"), |
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| 86 | irc_312 => on("whois"), |
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| 87 | irc_319 => on("whois"), |
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| 88 | irc_320 => on("whois"), |
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| 89 | irc_318 => on("endofwhois"), |
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| 90 | irc_mode => on("mode"), |
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| 91 | irc_401 => on("nosuch"), |
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| 92 | irc_402 => on("nosuch"), |
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| 93 | irc_403 => on("nosuch"), |
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| 94 | nick_change => on("nick"), |
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[09bd74c] | 95 | ctcp_action => on("ctcp_action"), |
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[41ade7f] | 96 | 'irc_*' => sub { BarnOwl::debug("IRC: " . $_[1]->{command} . |
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| 97 | join(" ", @{$_[1]->{params}})) }); |
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[330c55a] | 98 | |
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[b38b0b2] | 99 | return $self; |
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| 100 | } |
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| 101 | |
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[4787581] | 102 | sub nick { |
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| 103 | my $self = shift; |
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| 104 | return $self->conn->nick; |
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| 105 | } |
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| 106 | |
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[9c7a701] | 107 | sub getSocket |
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| 108 | { |
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| 109 | my $self = shift; |
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| 110 | return $self->conn->socket; |
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| 111 | } |
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| 112 | |
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[09bd74c] | 113 | sub me { |
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| 114 | my ($self, $to, $msg) = @_; |
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| 115 | $self->conn->send_msg('privmsg', $to, |
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| 116 | encode_ctcp(['ACTION', $msg])) |
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| 117 | } |
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| 118 | |
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[b38b0b2] | 119 | ################################################################################ |
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| 120 | ############################### IRC callbacks ################################## |
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| 121 | ################################################################################ |
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| 122 | |
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[47b6a5f] | 123 | sub new_message { |
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| 124 | my $self = shift; |
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| 125 | my $evt = shift; |
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[60b49a7] | 126 | my %args = ( |
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[47b6a5f] | 127 | type => 'IRC', |
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| 128 | server => $self->server, |
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| 129 | network => $self->alias, |
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| 130 | @_ |
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| 131 | ); |
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[60b49a7] | 132 | if ($evt) { |
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| 133 | my ($nick, $user, $host) = split_prefix($evt); |
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| 134 | $args{sender} ||= $nick; |
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| 135 | $args{hostname} ||= $host if defined($host); |
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| 136 | $args{from} ||= $evt->{prefix}; |
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| 137 | $args{params} ||= join(' ', @{$evt->{params}}) |
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| 138 | } |
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| 139 | return BarnOwl::Message->new(%args); |
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[47b6a5f] | 140 | } |
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| 141 | |
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[b38b0b2] | 142 | sub on_msg { |
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[8ba9313] | 143 | my ($self, $recipient, $evt) = @_; |
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| 144 | my $body = strip_irc_formatting($evt->{params}->[1]); |
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[09bd74c] | 145 | $self->handle_message($recipient, $evt, $body); |
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| 146 | } |
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[8ba9313] | 147 | |
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[09bd74c] | 148 | sub on_ctcp_action { |
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| 149 | my ($self, $src, $target, $msg) = @_; |
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| 150 | my $body = strip_irc_formatting($msg); |
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| 151 | my $evt = { |
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| 152 | params => [$src], |
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| 153 | type => 'privmsg', |
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| 154 | prefix => $src |
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| 155 | }; |
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| 156 | $self->handle_message($target, $evt, "* $body"); |
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| 157 | } |
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| 158 | |
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| 159 | sub handle_message { |
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| 160 | my ($self, $recipient, $evt, $body) = @_; |
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[47b6a5f] | 161 | my $msg = $self->new_message($evt, |
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[b38b0b2] | 162 | direction => 'in', |
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[2c40dc0] | 163 | recipient => $recipient, |
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[8ba9313] | 164 | body => $body, |
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[0b0e460] | 165 | ($evt->{command}||'') eq 'notice' ? |
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[2c40dc0] | 166 | (notice => 'true') : (), |
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| 167 | is_private($recipient) ? |
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[99c1f46] | 168 | (private => 'true') : (channel => $recipient), |
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[744769e] | 169 | replycmd => BarnOwl::quote('irc-msg', '-a', $self->alias, |
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[8ba9313] | 170 | (is_private($recipient) ? prefix_nick($evt) : $recipient)), |
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| 171 | replysendercmd => BarnOwl::quote('irc-msg', '-a', $self->alias, prefix_nick($evt)), |
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[b38b0b2] | 172 | ); |
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[47b6a5f] | 173 | |
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[b38b0b2] | 174 | BarnOwl::queue_message($msg); |
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| 175 | } |
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| 176 | |
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[09bd74c] | 177 | |
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[bc0d7bc] | 178 | sub on_admin_msg { |
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| 179 | my ($self, $evt) = @_; |
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[8ba9313] | 180 | return if BarnOwl::Module::IRC->skip_msg($evt->{command}); |
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[bc0d7bc] | 181 | BarnOwl::admin_message("IRC", |
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[8ba9313] | 182 | BarnOwl::Style::boldify('IRC ' . $evt->{command} . ' message from ' |
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[1951db8] | 183 | . $self->alias) . "\n" |
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[8ba9313] | 184 | . strip_irc_formatting(join ' ', cdr($evt->{params}))); |
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[bc0d7bc] | 185 | } |
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| 186 | |
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| 187 | sub on_motdstart { |
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| 188 | my ($self, $evt) = @_; |
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[8ba9313] | 189 | $self->motd(join "\n", cdr(@{$evt->{params}})); |
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[bc0d7bc] | 190 | } |
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| 191 | |
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| 192 | sub on_motd { |
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| 193 | my ($self, $evt) = @_; |
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[8ba9313] | 194 | $self->motd(join "\n", $self->motd, cdr(@{$evt->{params}})); |
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[bc0d7bc] | 195 | } |
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| 196 | |
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| 197 | sub on_endofmotd { |
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| 198 | my ($self, $evt) = @_; |
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[8ba9313] | 199 | $self->motd(join "\n", $self->motd, cdr(@{$evt->{params}})); |
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[bc0d7bc] | 200 | BarnOwl::admin_message("IRC", |
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[3baf77f] | 201 | BarnOwl::Style::boldify('MOTD for ' . $self->alias) . "\n" |
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[ba2ca66] | 202 | . strip_irc_formatting($self->motd)); |
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[bc0d7bc] | 203 | } |
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| 204 | |
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[47b6a5f] | 205 | sub on_join { |
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| 206 | my ($self, $evt) = @_; |
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[8ba9313] | 207 | my $chan = $evt->{params}[0]; |
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[47b6a5f] | 208 | my $msg = $self->new_message($evt, |
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| 209 | loginout => 'login', |
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[4789b17] | 210 | action => 'join', |
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[8ba9313] | 211 | channel => $chan, |
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| 212 | replycmd => BarnOwl::quote('irc-msg', '-a', $self->alias, $chan), |
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| 213 | replysendercmd => BarnOwl::quote('irc-msg', '-a', $self->alias, prefix_nick($evt)), |
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[47b6a5f] | 214 | ); |
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| 215 | BarnOwl::queue_message($msg); |
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| 216 | } |
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| 217 | |
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| 218 | sub on_part { |
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| 219 | my ($self, $evt) = @_; |
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[8ba9313] | 220 | my $chan = $evt->{params}[0]; |
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[47b6a5f] | 221 | my $msg = $self->new_message($evt, |
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| 222 | loginout => 'logout', |
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[4789b17] | 223 | action => 'part', |
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[8ba9313] | 224 | channel => $chan, |
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| 225 | replycmd => BarnOwl::quote('irc-msg', '-a', $self->alias, $chan), |
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| 226 | replysendercmd => BarnOwl::quote('irc-msg', '-a', $self->alias, prefix_nick($evt)), |
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[47b6a5f] | 227 | ); |
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| 228 | BarnOwl::queue_message($msg); |
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| 229 | } |
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| 230 | |
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[4789b17] | 231 | sub on_quit { |
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| 232 | my ($self, $evt) = @_; |
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| 233 | my $msg = $self->new_message($evt, |
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| 234 | loginout => 'logout', |
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| 235 | action => 'quit', |
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[8ba9313] | 236 | from => $evt->{prefix}, |
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[5d4262c] | 237 | reason => $evt->{params}->[0], |
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[8ba9313] | 238 | replycmd => BarnOwl::quote('irc-msg', '-a', $self->alias, prefix_nick($evt)), |
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| 239 | replysendercmd => BarnOwl::quote('irc-msg', '-a', $self->alias, prefix_nick($evt)), |
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[4789b17] | 240 | ); |
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| 241 | BarnOwl::queue_message($msg); |
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| 242 | } |
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| 243 | |
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[3b4ba7d] | 244 | sub disconnect { |
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[9e02bb7] | 245 | my $self = shift; |
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[59425a3] | 246 | delete $BarnOwl::Module::IRC::ircnets{$self->alias}; |
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[0e8a0fc] | 247 | for my $k (keys %BarnOwl::Module::IRC::channels) { |
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| 248 | my @conns = grep {$_ ne $self} @{$BarnOwl::Module::IRC::channels{$k}}; |
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| 249 | if(@conns) { |
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| 250 | $BarnOwl::Module::IRC::channels{$k} = \@conns; |
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| 251 | } else { |
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| 252 | delete $BarnOwl::Module::IRC::channels{$k}; |
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| 253 | } |
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| 254 | } |
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[3b4ba7d] | 255 | $self->motd(""); |
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| 256 | } |
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| 257 | |
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| 258 | sub on_disconnect { |
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[8ba9313] | 259 | my ($self, $why) = @_; |
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[9e02bb7] | 260 | BarnOwl::admin_message('IRC', |
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| 261 | "[" . $self->alias . "] Disconnected from server"); |
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[41ade7f] | 262 | $self->disconnect; |
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[8ba9313] | 263 | if ($why && $why =~ m{error in connection}) { |
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[3b4ba7d] | 264 | $self->schedule_reconnect; |
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| 265 | } |
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[9e02bb7] | 266 | } |
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| 267 | |
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[41ade7f] | 268 | sub on_error { |
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| 269 | my ($self, $evt) = @_; |
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| 270 | BarnOwl::admin_message('IRC', |
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| 271 | "[" . $self->alias . "] " . |
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| 272 | "Error: " . join(" ", @{$evt->{params}})); |
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| 273 | } |
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| 274 | |
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[9e02bb7] | 275 | sub on_nickinuse { |
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| 276 | my ($self, $evt) = @_; |
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| 277 | BarnOwl::admin_message("IRC", |
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| 278 | "[" . $self->alias . "] " . |
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[8ba9313] | 279 | $evt->{params}->[1] . ": Nick already in use"); |
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[9e02bb7] | 280 | } |
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| 281 | |
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[38d50c2] | 282 | sub on_nick { |
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| 283 | my ($self, $old_nick, $new_nick, $is_me) = @_; |
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| 284 | if ($is_me) { |
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| 285 | BarnOwl::admin_message("IRC", |
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| 286 | "[" . $self->alias . "] " . |
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| 287 | "You are now known as $new_nick"); |
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| 288 | } else { |
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[60b49a7] | 289 | my $msg = $self->new_message('', |
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| 290 | loginout => 'login', |
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| 291 | action => 'nick change', |
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| 292 | from => $new_nick, |
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| 293 | sender => $new_nick, |
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| 294 | replycmd => BarnOwl::quote('irc-msg', '-a', $self->alias, |
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| 295 | $new_nick), |
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| 296 | replysendercmd => BarnOwl::quote('irc-msg', '-a', $self->alias, |
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| 297 | $new_nick), |
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| 298 | old_nick => $old_nick); |
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| 299 | BarnOwl::queue_message($msg); |
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[38d50c2] | 300 | } |
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| 301 | } |
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| 302 | |
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[3ad15ff] | 303 | sub on_topic { |
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[8ba9313] | 304 | my ($self, $channel, $topic, $who) = @_; |
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| 305 | if ($channel) { |
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[3ad15ff] | 306 | BarnOwl::admin_message("IRC", |
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[8ba9313] | 307 | "Topic for $channel on " . $self->alias . " is $topic"); |
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[3ad15ff] | 308 | } else { |
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| 309 | BarnOwl::admin_message("IRC", |
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[8ba9313] | 310 | "Topic changed to $channel"); |
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[3ad15ff] | 311 | } |
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| 312 | } |
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| 313 | |
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| 314 | sub on_topicinfo { |
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| 315 | my ($self, $evt) = @_; |
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[8ba9313] | 316 | my @args = @{$evt->{params}}; |
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[3ad15ff] | 317 | BarnOwl::admin_message("IRC", |
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| 318 | "Topic for $args[1] set by $args[2] at " . localtime($args[3])); |
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| 319 | } |
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| 320 | |
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[38cfdb5d] | 321 | # IRC gives us a bunch of namreply messages, followed by an endofnames. |
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| 322 | # We need to collect them from the namreply and wait for the endofnames message. |
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| 323 | # After this happens, the names_tmp variable is cleared. |
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| 324 | |
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| 325 | sub on_namreply { |
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| 326 | my ($self, $evt) = @_; |
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[d264c6d] | 327 | return unless $self->names_tmp; |
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[b9a642a] | 328 | $self->names_tmp([@{$self->names_tmp}, |
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| 329 | map {prefix_nick($_)} split(' ', $evt->{params}[3])]); |
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[38cfdb5d] | 330 | } |
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| 331 | |
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[fb6e8e3] | 332 | sub cmp_user { |
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| 333 | my ($lhs, $rhs) = @_; |
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| 334 | my ($sigil_l) = ($lhs =~ m{^([+@]?)}); |
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| 335 | my ($sigil_r) = ($rhs =~ m{^([+@]?)}); |
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| 336 | my %rank = ('@' => 1, '+' => 2, '' => 3); |
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| 337 | return ($rank{$sigil_l} <=> $rank{$sigil_r}) || |
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| 338 | $lhs cmp $rhs; |
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| 339 | } |
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| 340 | |
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[38cfdb5d] | 341 | sub on_endofnames { |
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| 342 | my ($self, $evt) = @_; |
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[d264c6d] | 343 | return unless $self->names_tmp; |
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[8ba9313] | 344 | my $names = BarnOwl::Style::boldify("Members of " . $evt->{params}->[1] . ":\n"); |
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[fb6e8e3] | 345 | for my $name (sort {cmp_user($a, $b)} @{$self->names_tmp}) { |
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[38cfdb5d] | 346 | $names .= " $name\n"; |
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| 347 | } |
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| 348 | BarnOwl::popless_ztext($names); |
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[d264c6d] | 349 | $self->names_tmp(0); |
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| 350 | } |
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| 351 | |
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| 352 | sub on_whois { |
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| 353 | my ($self, $evt) = @_; |
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[8ba9313] | 354 | my %names = ( |
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| 355 | 311 => 'user', |
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| 356 | 312 => 'server', |
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| 357 | 319 => 'channels', |
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| 358 | 330 => 'whowas', |
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| 359 | ); |
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[d264c6d] | 360 | $self->whois_tmp( |
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[8ba9313] | 361 | $self->whois_tmp . "\n" . $names{$evt->{command}} . ":\n " . |
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| 362 | join("\n ", cdr(cdr(@{$evt->{params}}))) . "\n" |
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| 363 | ); |
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[d264c6d] | 364 | } |
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| 365 | |
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| 366 | sub on_endofwhois { |
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| 367 | my ($self, $evt) = @_; |
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| 368 | BarnOwl::popless_ztext( |
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[8ba9313] | 369 | BarnOwl::Style::boldify("/whois for " . $evt->{params}->[1] . ":\n") . |
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[d264c6d] | 370 | $self->whois_tmp |
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| 371 | ); |
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[7c83a32] | 372 | $self->whois_tmp(''); |
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[d264c6d] | 373 | } |
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| 374 | |
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[4df2568] | 375 | sub on_mode { |
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| 376 | my ($self, $evt) = @_; |
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| 377 | BarnOwl::admin_message("IRC", |
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[8ba9313] | 378 | "[" . $self->alias . "] User " . (prefix_nick($evt)) . + " set mode " . |
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| 379 | join(" ", cdr(@{$evt->{params}})) . "on " . $evt->{params}->[0] |
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[4df2568] | 380 | ); |
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| 381 | } |
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| 382 | |
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[8ba9313] | 383 | sub on_nosuch { |
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[7cfb1df] | 384 | my ($self, $evt) = @_; |
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[8ba9313] | 385 | my %things = (401 => 'nick', 402 => 'server', 403 => 'channel'); |
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[7cfb1df] | 386 | BarnOwl::admin_message("IRC", |
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| 387 | "[" . $self->alias . "] " . |
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[8ba9313] | 388 | "No such @{[$things{$evt->{command}}]}: @{[$evt->{params}->[1]]}") |
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[7cfb1df] | 389 | } |
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| 390 | |
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[d264c6d] | 391 | sub on_event { |
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| 392 | my ($self, $evt) = @_; |
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| 393 | return on_whois(@_) if ($evt->type =~ /^whois/); |
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| 394 | BarnOwl::admin_message("IRC", |
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| 395 | "[" . $self->alias . "] Unhandled IRC event of type " . $evt->type . ":\n" |
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| 396 | . strip_irc_formatting(join("\n", $evt->args))) |
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| 397 | if BarnOwl::getvar('irc:spew') eq 'on'; |
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[38cfdb5d] | 398 | } |
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[9e02bb7] | 399 | |
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[3b4ba7d] | 400 | sub schedule_reconnect { |
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| 401 | my $self = shift; |
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| 402 | my $interval = shift || 5; |
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[3713b86] | 403 | |
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[3acab0e] | 404 | my $weak = $self; |
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| 405 | weaken($weak); |
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[c8d9f84] | 406 | if (defined $self->{reconnect_timer}) { |
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| 407 | $self->{reconnect_timer}->stop; |
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| 408 | } |
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[3acab0e] | 409 | $self->{reconnect_timer} = |
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[3b4ba7d] | 410 | BarnOwl::Timer->new( { |
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[c6adf17] | 411 | name => 'IRC (' . $self->alias . ') reconnect_timer', |
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[3b4ba7d] | 412 | after => $interval, |
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| 413 | cb => sub { |
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[3acab0e] | 414 | $weak->reconnect( $interval ) if $weak; |
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[3b4ba7d] | 415 | }, |
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| 416 | } ); |
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| 417 | } |
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| 418 | |
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[416241f] | 419 | sub cancel_reconnect { |
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| 420 | my $self = shift; |
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[3713b86] | 421 | |
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[c8d9f84] | 422 | if (defined $self->{reconnect_timer}) { |
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| 423 | $self->{reconnect_timer}->stop; |
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| 424 | } |
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[416241f] | 425 | delete $self->{reconnect_timer}; |
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| 426 | } |
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| 427 | |
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[851a0e0] | 428 | sub on_connect { |
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| 429 | my $self = shift; |
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[0ccf5ab] | 430 | $self->connected("Connected to " . $self->alias . " as " . $self->nick) |
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[851a0e0] | 431 | } |
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| 432 | |
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[3b4ba7d] | 433 | sub connected { |
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| 434 | my $self = shift; |
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| 435 | my $msg = shift; |
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| 436 | BarnOwl::admin_message("IRC", $msg); |
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[416241f] | 437 | $self->cancel_reconnect; |
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[8ba9313] | 438 | if ($self->autoconnect_channels) { |
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| 439 | for my $c (@{$self->autoconnect_channels}) { |
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| 440 | $self->conn->send_msg(join => $c); |
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| 441 | } |
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| 442 | $self->autoconnect_channels([]); |
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| 443 | } |
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| 444 | $self->conn->enable_ping(60, sub { |
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| 445 | $self->disconnect("Connection timed out."); |
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| 446 | $self->schedule_reconnect; |
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| 447 | }); |
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[3b4ba7d] | 448 | } |
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| 449 | |
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| 450 | sub reconnect { |
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| 451 | my $self = shift; |
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| 452 | my $backoff = shift; |
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| 453 | |
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[8ba9313] | 454 | $self->autoconnect_channels([keys(%{$self->channel_list})]); |
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[3b4ba7d] | 455 | $self->conn->connect; |
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| 456 | if ($self->conn->connected) { |
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| 457 | $self->connected("Reconnected to ".$self->alias); |
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| 458 | return; |
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| 459 | } |
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| 460 | |
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| 461 | $backoff *= 2; |
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| 462 | $backoff = 60*5 if $backoff > 60*5; |
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| 463 | $self->schedule_reconnect( $backoff ); |
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| 464 | } |
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| 465 | |
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[b38b0b2] | 466 | ################################################################################ |
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| 467 | ########################### Utilities/Helpers ################################## |
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| 468 | ################################################################################ |
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| 469 | |
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| 470 | sub strip_irc_formatting { |
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| 471 | my $body = shift; |
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[214b790] | 472 | # Strip mIRC colors. If someone wants to write code to convert |
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| 473 | # these to zephyr colors, be my guest. |
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| 474 | $body =~ s/\cC\d+(?:,\d+)?//g; |
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| 475 | $body =~ s/\cO//g; |
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| 476 | |
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| 477 | my @pieces = split /\cB/, $body; |
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[3835ae8] | 478 | my $out = ''; |
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[b38b0b2] | 479 | while(@pieces) { |
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| 480 | $out .= shift @pieces; |
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| 481 | $out .= BarnOwl::Style::boldify(shift @pieces) if @pieces; |
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| 482 | } |
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| 483 | return $out; |
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| 484 | } |
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| 485 | |
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[2c40dc0] | 486 | # Determines if the given message recipient is a username, as opposed to |
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| 487 | # a channel that starts with # or &. |
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| 488 | sub is_private { |
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| 489 | return shift !~ /^[\#\&]/; |
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| 490 | } |
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[b38b0b2] | 491 | |
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[bc0d7bc] | 492 | sub cdr { |
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| 493 | shift; |
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| 494 | return @_; |
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| 495 | } |
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| 496 | |
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[b38b0b2] | 497 | 1; |
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