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