diff options
Diffstat (limited to 'scripts/trustweb.pl')
| -rw-r--r-- | scripts/trustweb.pl | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/scripts/trustweb.pl b/scripts/trustweb.pl new file mode 100644 index 0000000..0fb60ba --- /dev/null +++ b/scripts/trustweb.pl @@ -0,0 +1,374 @@ +use strict; + +use vars qw($VERSION %IRSSI); +$VERSION = "2003020801"; +%IRSSI = ( + authors => "Stefan 'tommie' Tomanek", + contact => "stefan\@pico.ruhr.de", + name => "TrustWeb", + description => "Illustrates the trust between ops", + license => "GPLv2", + modules => "Data::Dumper IO::File POSIX", + changed => "$VERSION", + commands => "trustweb" +); + + +use Irssi 20020324; +use Irssi::TextUI; +use Data::Dumper; +use IO::File; +use POSIX; +use vars qw(%database); + +sub draw_box ($$$$) { + my ($title, $text, $footer, $colour) = @_; + my $box = ''; + $box .= '%R,--[%n%9%U'.$title.'%U%9%R]%n'."\n"; + foreach (split(/\n/, $text)) { + $box .= '%R|%n '.$_."\n"; + } $box .= '%R`--<%n'.$footer.'%R>->%n'; + $box =~ s/%.//g unless $colour; + return $box; +} + +sub show_help() { + my $help = $IRSSI{name}." ".$VERSION." +/trustweb help + Display this help +/trustweb save/load + Load or save the database +/trustweb show <nick> + Display the trust for <nick> +/trustweb scan + Scan all buffers for modechanges +/trustweb trace <nick1> <nick2> + Search the shortest connection between two nicks +/trustweb merge <nick1> <nick2> + Move all trustdata from nick1 to nick2 +"; + my $text = ""; + foreach (split(/\n/, $help)) { + $_ =~ s/^\/(.*)$/%9\/$1%9/; + $text .= $_."\n"; + } + print CLIENTCRAP draw_box($IRSSI{name}, $text, "Help", 1); +} + + +sub save_db { + my $filename = Irssi::settings_get_str('trustweb_db_file'); + my $io = new IO::File $filename, "w"; + if (defined $io) { + my $dumper = Data::Dumper->new([\%database]); + $dumper->Purity(1)->Deepcopy(1); + $io->print($dumper->Dump); + $io->close; + } + print CLIENTCRAP "%B>>%n Trustweb database saved to ".$filename; +} + +sub load_db { + my $filename = Irssi::settings_get_str('trustweb_db_file'); + my $io = new IO::File $filename, "r"; + if (defined $io) { + no strict 'vars'; + my $text; + $text .= $_ foreach ($io->getlines); + my $database = eval "$text"; + %database = %$database if ref $database; + } + print CLIENTCRAP "%B>>%n Trustweb database loaded from ".$filename; +} + +sub scan_buffers { + foreach my $channel (Irssi::channels()) { + my $win = $channel->window(); + my $name = $channel->{name}; + my $server = $channel->{server}; + my $view = $win->view(); + my $line = $view->get_lines(); + my $lines = 0; + while (defined $line) { + my $text = $line->get_text(0); + if ($line->{info}{level} == 2048) { + if ($text =~ /\[([\+\-].*?)\] by (.*)/) { + sig_message_irc_mode($server, $name, $2, undef, $1); + } + } + $line = $line->next; + $lines++; + } + } +} + +sub sig_message_irc_mode ($$$$$) { + my ($server, $channel, $nick, $addr, $mode) = @_; + return if ($nick =~ /\./); + my $state; + my @pipe; + my %result; + my $tag = lc $server->{tag}; + my ($modes, $nicks) = split(/ /, $mode, 2); + foreach (split(//, $modes)) { + if ($_ eq '+' || $_ eq '-') { + $state = $_; + } else { + push @pipe, $state.$_; + } + } + + foreach (split(/ /, $nicks)) { + my $change = shift(@pipe); + if ($change eq '+o') { + foreach my $active (split /, ?/, $nick) { + $database{$tag}{lc $active}{lc $_} = 1; + } + } elsif ($change eq '-o') { + foreach my $active (split /, ?/, $nick) { + $database{$tag}{lc $active}{lc $_} = -1; + } + } + } +} + +sub sig_nicklist_changed ($$$) { + my ($channel, $nick, $old) = @_; + my $server = $channel->{server}; + my $new = lc $nick->{nick}; + my $tag = lc $server->{tag}; + merge_nicks($tag, $old, $new); +} + +sub merge_nicks ($$$) { + my ($tag, $old, $new) = @_; + $tag = lc $tag; + $new = lc $new; + $old = lc $old; + return if $old eq $new; + if (defined $database{$tag}{$old}) { + foreach (keys %{ $database{$tag}{$old} }) { + $database{$tag}{$new}{$_} = $database{$tag}{$old}{$_}; + } + delete $database{$tag}{$old} + } + foreach (keys %{ $database{$tag} }) { + if (defined $database{$tag}{$_}{$old}) { + $database{$tag}{$_}{$new} = $database{$tag}{$_}{$old}; + delete $database{$tag}{$_}{$old}; + } + } +} + +sub show_trust ($$) { + my ($nicks, $tag) = @_; + my $text; + foreach (@$nicks) { + $text .= draw_trust($_, $tag); + } + print CLIENTCRAP &draw_box('TrustWeb', $text, $tag, 1); +} + +sub draw_trust ($$) { + my ($nick, $tag) = @_; + my (@opfrom, @opto); + my $text; + #return unless $database{$nick}; + my ($maxfrom, $maxto) = (0, 0); + my $distrust = Irssi::settings_get_bool('trustweb_show_distrust'); + foreach (sort keys %{ $database{$tag} }) { + next unless defined $database{$tag}{$_}{lc $nick}; + push @opfrom, [$_,1] if $database{$tag}{$_}{lc $nick} > 0; + push @opfrom, [$_,-1] if ($database{$tag}{$_}{lc $nick} < 0 && $distrust); + $maxfrom = length($_) if length($_) > $maxfrom; + } + if (defined $database{$tag}{lc $nick}) { + foreach (sort keys %{$database{$tag}{lc $nick}}) { + push @opto, [$_,1] if $database{$tag}{lc $nick}{$_} > 0; + push @opto, [$_,-1] if ($database{$tag}{lc $nick}{$_} < 0 && $distrust); + $maxto = length($_) if length($_) > $maxto; + } + } + my $items = @opfrom > @opto ? @opfrom-1 : @opto-1; + my $i = 0; + my $center = sprintf("%.0f", $items/2); + $center = @opfrom-1 if (@opfrom && not(defined $opfrom[$center])); + $center = @opto-1 if (@opto && not(defined $opto[$center])); + foreach (0..$items) { + my $line; + if (defined $opfrom[$_]) { + $line .= '<'.$opfrom[$_][0]; + $line .= ' ' x ($maxfrom - length($opfrom[$_][0])); + $line .= '>'; + $line .= '-' if $opfrom[$_][1] > 0; + $line .= '%' if $opfrom[$_][1] < 0; + $line .= "," if $_ < $center; + $line .= "+" if $_ == $center; + $line .= "'" if $_ > $center; + } else { + $line .= ' ' x ($maxfrom+4) if $maxfrom; + } + if ($_ == $center) { + $line .= '-' if @opfrom; + $line .= '(%9'.$nick.'%9)'; + $line .= '-' if @opto; + } else { + $line .= ' ' if @opfrom; + $line .= ' ' x (length($nick)+2); + $line .= ' ' if @opto; + } + if (defined $opto[$_]) { + $line .= "," if $_ < $center; + $line .= "+" if $_ == $center; + $line .= "'" if $_ > $center; + $line .= '-' if $opto[$_][1] > 0; + $line .= '%' if $opto[$_][1] < 0; + $line .= '<'.$opto[$_][0]; + $line .= ' ' x ($maxto - length($opto[$_][0])); + $line .= '>'; + } else { + $line .= ' ' x ($maxto+4) if $maxto; + } + $text .= $line."\n"; + $i++; + } + return $text; +} + +sub bg_trace ($$$) { + my ($tag, $from, $to) = @_; + my ($rh, $wh); + pipe($rh, $wh); + my $pid = fork(); + if ($pid > 0) { + close $wh; + Irssi::pidwait_add($pid); + my $pipetag; + my @args = ($tag, $from, $to, $rh, \$pipetag); + $pipetag = Irssi::input_add(fileno($rh), INPUT_READ, \&pipe_input, \@args); + } else { + my $result = walk($from, $to, $database{$tag}, {}, [], [], 0); + my $dumper = Data::Dumper->new([$result]); + $dumper->Purity(1)->Deepcopy(1); + print($wh $dumper->Dump()); + close $wh; + POSIX::_exit(1); + } +} + +sub pipe_input ($) { + my ($tag, $from, $to, $rh, $pipetag) = @{$_[0]}; + my $text; + $text .= $_ foreach (<$rh>); + close($rh); + Irssi::input_remove($$pipetag); + no strict 'vars'; + my $result = eval "$text"; + draw_trace($tag, $from, $to, $result); +} + +sub walk ($$$$$$) { + my ($pos, $goal, $data, $visited, $street, $ideal) = @_; + my @road = @$street; + + return $ideal if $visited->{$pos}; + return $ideal if (@$ideal && not(Irssi::settings_get_bool('trustweb_trace_find_shortest_path'))); + return \@road if ($pos eq $goal); + return $ideal if (@$ideal && @$street >= @$ideal); + return $ideal if (Irssi::settings_get_int('trustweb_trace_max_depth') && @road > Irssi::settings_get_int('trustweb_trace_max_depth')); + + $visited->{$pos} = 1; + my $nodistrust = not Irssi::settings_get_bool('trustweb_trace_distrust'); + foreach (keys %{ $data->{$pos} }) { + next if ($data->{$pos}{$_} < 1 && $nodistrust); + push @road, [ $_, 1, $data->{$pos}{$_} ]; + $ideal = walk($_, $goal, $data, $visited, \@road, $ideal); + pop @road; + } + foreach (keys %$data) { + next unless defined $data->{$_}{$pos}; + next if ($data->{$_}{$_} < 1 && $nodistrust); + push @road, [ $_, 0, $data->{$_}{$pos} ]; + $ideal = walk($_, $goal, $data, $visited, \@road, $ideal); + pop @road; + } + $visited->{$pos} = 0; + return $ideal; +} + + +sub draw_trace ($$$$) { + my ($tag, $from, $to, $route) = @_; + my $line = "%B<<%n "; + if (ref $route && @$route) { + $line .= $from; + foreach (@$route) { + if ($_->[1]) { + $line .= ' '; + $line .= $_->[2] > 0 ? '=' : '%%'; + $line .= '> '; + } else { + $line .= ' <'; + $line .= $_->[2] > 0 ? '=' : '%'; + $line .= ' '; + } + $line .= $_->[0]; + } + } else { + $line .= "No connection between ".$from." and ".$to." could be found."; + } + print $line; +} + +sub pre_unload { + save_db(); +} + +sub cmd_trustweb ($$$) { + my ($args, $server, $witem) = @_; + my $tag = ref $server ? lc $server->{tag} : lc Irssi::settings_get_str('trustweb_default_ircnet'); + my @arg = split(/ +/, $args); + if (not(@arg) || $arg[0] eq 'help') { + show_help(); + } elsif ($arg[0] eq 'scan') { + scan_buffers(); + print CLIENTCRAP "%R>>%n All buffers scanned for modes"; + } elsif ($arg[0] eq 'show' && defined $arg[1]) { + shift @arg; + show_trust(\@arg, $tag); + } elsif ($arg[0] eq 'save') { + save_db; + } elsif ($arg[0] eq 'load') { + load_db; + } elsif ($arg[0] eq 'trace' && defined $arg[1] && defined $arg[2]) { + bg_trace($tag, lc $arg[1], lc $arg[2]); + print CLIENTCRAP "%B>>%n Searching connection between ".$arg[1]." and ".$arg[2]."..."; + } elsif ($arg[0] eq 'merge' && defined $arg[1] && defined $arg[2]) { + return unless ref $server; + merge_nicks($server->{tag}, $arg[1], $arg[2]); + print CLIENTCRAP "%B>>%n '".$arg[1]."' has been merged with '".$arg[2]."'"; + } +} + +Irssi::settings_add_str($IRSSI{name}, 'trustweb_default_ircnet', ''); +Irssi::settings_add_str($IRSSI{name}, 'trustweb_db_file', Irssi::get_irssi_dir()."/trustweb_database"); +Irssi::settings_add_bool($IRSSI{name}, 'trustweb_show_distrust' , 1); + +Irssi::settings_add_bool($IRSSI{name}, 'trustweb_trace_distrust' , 1); +Irssi::settings_add_bool($IRSSI{name}, 'trustweb_trace_find_shortest_path' , 1); +Irssi::settings_add_int($IRSSI{name}, 'trustweb_trace_max_depth' , 0); + +Irssi::signal_add('setup saved', 'save_db'); +Irssi::signal_add('message irc mode', \&sig_message_irc_mode); +Irssi::signal_add_first('nicklist changed', \&sig_nicklist_changed); + +Irssi::command_bind('trustweb', \&cmd_trustweb); + +foreach my $cmd ('save', 'load', 'scan', 'show', 'help', 'trace', 'merge') { + Irssi::command_bind('trustweb '.$cmd => + sub { cmd_trustweb("$cmd ".$_[0], $_[1], $_[2]); } ); +} + +load_db(); + +print CLIENTCRAP '%B>>%n '.$IRSSI{name}.' '.$VERSION.' loaded: /trustweb help for help'; |