From 80eb37ffb4b6531d3f5f193336e739a085c9523b Mon Sep 17 00:00:00 2001
From: Tom Feist <shabble@metavore.org>
Date: Sat, 23 Apr 2011 14:19:57 +0100
Subject: added scriptassist/scriptassist, beginning to modernise it a bit.

---
 scriptassist/scriptassist.pl | 1163 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1163 insertions(+)
 create mode 100644 scriptassist/scriptassist.pl

(limited to 'scriptassist/scriptassist.pl')

diff --git a/scriptassist/scriptassist.pl b/scriptassist/scriptassist.pl
new file mode 100644
index 0000000..30e3078
--- /dev/null
+++ b/scriptassist/scriptassist.pl
@@ -0,0 +1,1163 @@
+# by Stefan "tommie" Tomanek
+#
+# scriptassist.pl
+
+use strict;
+use warnings;
+
+use Irssi 20020324;
+
+use Data::Dumper;
+use LWP::UserAgent;
+use POSIX;
+
+our $VERSION = '2003020803';
+our %IRSSI   = (
+                authors     => 'Stefan \'tommie\' Tomanek',
+                contact     => 'stefan@pico.ruhr.de',
+                name        => 'scriptassist',
+                description => 'keeps your scripts on the cutting edge',
+                license     => 'GPLv2',
+                url         => 'http://irssi.org/scripts/',
+                changed     => $VERSION,
+                modules     => 'Data::Dumper LWP::UserAgent (GnuPG)',
+                commands	=> "scriptassist"
+               );
+
+#use vars qw($forked %remote_db $have_gpg);
+our ($forked, %remote_db, @complist);
+
+
+# GnuPG is not always needed
+our $have_gpg = 0;
+eval { require GnuPG;
+       GnuPG->import( qw/:algo :trust/ );
+                 };
+$have_gpg = 1 unless $@;
+
+sub show_help {
+    my $help = "scriptassist $VERSION
+/scriptassist check
+    Check all loaded scripts for new available versions
+/scriptassist update <script|all>
+    Update the selected or all script to the newest version
+/scriptassist search <query>
+    Search the script database
+/scriptassist info <scripts>
+    Display information about <scripts>
+/scriptassist ratings <scripts>
+    Retrieve the average ratings of the the scripts
+/scriptassist top <num>
+    Retrieve the first <num> top rated scripts
+/scriptassist new <num>
+    Display the newest <num> scripts
+/scriptassist rate <script> <stars>
+    Rate the script with a number of stars ranging from 0-5
+/scriptassist contact <script>
+    Write an email to the author of the script
+    (Requires OpenURL)
+/scriptassist cpan <module>
+    Visit CPAN to look for missing Perl modules
+    (Requires OpenURL)
+/scriptassist install <script>
+    Retrieve and load the script
+/scriptassist autorun <script>
+    Toggles automatic loading of <script>
+";  
+    my $text='';
+    foreach (split(/\n/, $help)) {
+        $_ =~ s/^\/(.*)$/%9\/$1%9/;
+        $text .= $_."\n";
+    }
+    print CLIENTCRAP &draw_box("ScriptAssist", $text, "scriptassist help", 1);
+    #theme_box("ScriptAssist", $text, "scriptassist help", 1);
+}
+
+sub theme_box ($$$$) {
+    my ($title, $text, $footer, $colour) = @_;
+    Irssi::printformat(MSGLEVEL_CLIENTCRAP, 'box_header', $title);
+    foreach (split(/\n/, $text)) {
+	Irssi::printformat(MSGLEVEL_CLIENTCRAP, 'box_inside', $_);
+    }
+    Irssi::printformat(MSGLEVEL_CLIENTCRAP, 'box_footer', $footer);
+}
+
+sub draw_box ($$$$) {
+    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 call_openurl ($) {
+    my ($url) = @_;
+    no strict "refs";
+    # check for a loaded openurl
+    if (defined %{ "Irssi::Script::openurl::" }) {
+        &{ "Irssi::Script::openurl::launch_url" }($url);
+    } else {
+        print CLIENTCRAP "%R>>%n Please install openurl.pl";
+    }
+    use strict;
+}
+
+sub bg_do ($) {
+    my ($func) = @_; 
+    my ($rh, $wh);
+    pipe($rh, $wh);
+    if ($forked) {
+	print CLIENTCRAP "%R>>%n Please wait until your earlier request has been finished.";
+	return;
+    }
+    my $pid = fork();
+    $forked = 1;
+    if ($pid > 0) {
+	print CLIENTCRAP "%R>>%n Please wait...";
+        close $wh;
+        Irssi::pidwait_add($pid);
+        my $pipetag;
+        my @args = ($rh, \$pipetag, $func);
+        $pipetag = Irssi::input_add(fileno($rh), INPUT_READ, \&pipe_input, \@args);
+    } else {
+	eval {
+	    my @items = split(/ /, $func);
+	    my %result;
+	    my $ts1 = $remote_db{timestamp};
+	    my $xml = get_scripts();
+	    my $ts2 = $remote_db{timestamp};
+	    if (not($ts1 eq $ts2) && Irssi::settings_get_bool('scriptassist_cache_sources')) {
+		$result{db} = $remote_db{db};
+		$result{timestamp} = $remote_db{timestamp};
+	    }
+	    if ($items[0] eq 'check') {
+		$result{data}{check} = check_scripts($xml);
+	    } elsif ($items[0] eq 'update') {
+		shift(@items);
+		$result{data}{update} = update_scripts(\@items, $xml);
+	    } elsif ($items[0] eq 'search') {
+		shift(@items);
+		#$result{data}{search}{-foo} = 0;
+		foreach (@items) {
+		    $result{data}{search}{$_} = search_scripts($_, $xml);
+		}
+	    } elsif ($items[0] eq 'install') {
+		shift(@items);
+		$result{data}{install} = install_scripts(\@items, $xml);
+	    } elsif ($items[0] eq 'debug') {
+		shift(@items);
+		$result{data}{debug} = debug_scripts(\@items);
+	    } elsif ($items[0] eq 'ratings') {
+		shift(@items);
+		@items = @{ loaded_scripts() } if $items[0] eq "all";
+		#$result{data}{rating}{-foo} = 1;
+		my %ratings = %{ get_ratings(\@items, '') };
+		foreach (keys %ratings) {
+		    $result{data}{rating}{$_}{rating} = $ratings{$_}->[0];
+		    $result{data}{rating}{$_}{votes} = $ratings{$_}->[1];
+		}
+	    } elsif ($items[0] eq 'rate') {
+		#$result{data}{rate}{-foo} = 1;
+		$result{data}{rate}{$items[1]} = rate_script($items[1], $items[2]);
+	    } elsif ($items[0] eq 'info') {
+		shift(@items);
+		$result{data}{info} = script_info(\@items);
+	    } elsif ($items[0] eq 'echo') {
+		$result{data}{echo} = 1;
+	    } elsif ($items[0] eq 'top') {
+		my %ratings = %{ get_ratings([], $items[1]) };
+		foreach (keys %ratings) {
+                    $result{data}{rating}{$_}{rating} = $ratings{$_}->[0];
+                    $result{data}{rating}{$_}{votes} = $ratings{$_}->[1];
+                }
+	    } elsif ($items[0] eq 'new') {
+		my $new = get_new($items[1]);
+		$result{data}{new} = $new;
+	    } elsif ($items[0] eq 'unknown') {
+		my $cmd = $items[1];
+		$result{data}{unknown}{$cmd} = get_unknown($cmd, $xml);
+	    }
+	    my $dumper = Data::Dumper->new([\%result]);
+	    $dumper->Purity(1)->Deepcopy(1)->Indent(0);
+	    my $data = $dumper->Dump;
+	    print($wh $data);
+	};
+	close($wh);
+	POSIX::_exit(1);
+    }
+}
+
+sub get_unknown ($$) {
+    my ($cmd, $db) = @_;
+    foreach (keys %$db) {
+	next unless defined $db->{$_}{commands};
+	foreach my $item (split / /, $db->{$_}{commands}) {
+	    return { $_ => $db->{$_} } if ($item =~ /^$cmd$/i);
+	}
+    }
+    return undef;
+}
+
+sub script_info ($) {
+    my ($scripts) = @_;
+    no strict "refs";
+    my %result;
+    my $xml = get_scripts();
+    foreach (@{$scripts}) {
+	next unless (defined $xml->{$_.".pl"} || (defined %{ 'Irssi::Script::'.$_.'::' } && defined %{ 'Irssi::Script::'.$_.'::IRSSI' }));
+	$result{$_}{version} = get_remote_version($_, $xml);
+	my @headers = ('authors', 'contact', 'description', 'license', 'source');
+	foreach my $entry (@headers) {
+	    $result{$_}{$entry} = ${ 'Irssi::Script::'.$_.'::IRSSI' }{$entry};
+	    if (defined $xml->{$_.".pl"}{$entry}) {
+		$result{$_}{$entry} = $xml->{$_.".pl"}{$entry};
+	    }
+	}
+	if ($xml->{$_.".pl"}{signature_available}) {
+	    $result{$_}{signature_available} = 1;
+	}
+	if (defined $xml->{$_.".pl"}{modules}) {
+	    my $modules = $xml->{$_.".pl"}{modules};
+	    #$result{$_}{modules}{-foo} = 1;
+	    foreach my $mod (split(/ /, $modules)) {
+		my $opt = ($mod =~ /\((.*)\)/)? 1 : 0;
+		$mod = $1 if $1;
+		$result{$_}{modules}{$mod}{optional} = $opt;
+		$result{$_}{modules}{$mod}{installed} = module_exist($mod);
+	    }
+	} elsif (defined ${ 'Irssi::Script::'.$_.'::IRSSI' }{modules}) {
+	    my $modules = ${ 'Irssi::Script::'.$_.'::IRSSI' }{modules};
+	    foreach my $mod (split(/ /, $modules)) {
+		my $opt = ($mod =~ /\((.*)\)/)? 1 : 0;
+		$mod = $1 if $1;
+		$result{$_}{modules}{$mod}{optional} = $opt;
+		$result{$_}{modules}{$mod}{installed} = module_exist($mod);
+	    }
+	}
+	if (defined $xml->{$_.".pl"}{depends}) {
+	    my $depends = $xml->{$_.".pl"}{depends};
+	    foreach my $dep (split(/ /, $depends)) {
+		$result{$_}{depends}{$dep}{installed} = 1; #(defined ${ 'Irssi::Script::'.$dep }); 
+	    }
+	}
+    }
+    return \%result;
+}
+
+sub rate_script ($$) {
+    my ($script, $stars) = @_;
+    my $ua = LWP::UserAgent->new(env_proxy=>1, keep_alive=>1, timeout=>30);
+    $ua->agent('ScriptAssist/'.$VERSION);
+    my $request = HTTP::Request->new('GET', 'http://ratings.irssi.de/irssirate.pl?&stars='.$stars.'&mode=rate&script='.$script);
+    my $response = $ua->request($request);
+    unless ($response->is_success() && $response->content() =~ /You already rated this script/) {
+	return 1;
+    } else {
+	return 0;
+    }
+}
+
+sub get_ratings ($$) {
+    my ($scripts, $limit) = @_;
+    my $ua = LWP::UserAgent->new(env_proxy=>1, keep_alive=>1, timeout=>30);
+    $ua->agent('ScriptAssist/'.$VERSION);
+    my $script = join(',', @{$scripts});
+    my $request = HTTP::Request->new('GET', 'http://ratings.irssi.de/irssirate.pl?script='.$script.'&sort=rating&limit='.$limit);
+    my $response = $ua->request($request);
+    my %result;
+    if ($response->is_success()) {
+	foreach (split /\n/, $response->content()) {
+	    if (/<tr><td><a href=".*?">(.*?)<\/a>/) {
+		my $entry = $1;
+		if (/"><\/td><td>([0-9.]+)<\/td><td>(.*?)<\/td><td>/) {
+		    $result{$entry} = [$1, $2];
+		}
+	    }
+	}
+    }
+    return \%result;
+}
+
+sub get_new ($) {
+    my ($num) = @_;
+    my $result;
+    my $xml = get_scripts();
+    foreach (sort {$xml->{$b}{last_modified} cmp $xml->{$a}{last_modified}} keys %$xml) {
+	my %entry = %{ $xml->{$_} };
+	$result->{$_} = \%entry;
+	$num--;
+	last unless $num;
+    }
+    return $result;
+}
+sub module_exist ($) {
+    my ($module) = @_;
+    $module =~ s/::/\//g;
+    foreach (@INC) {
+	return 1 if (-e $_."/".$module.".pm");
+    }
+    return 0;
+}
+
+sub debug_scripts ($) {
+    my ($scripts) = @_;
+    my %result;
+    foreach (@{$scripts}) {
+	my $xml = get_scripts();
+	if (defined $xml->{$_.".pl"}{modules}) {
+	    my $modules = $xml->{$_.".pl"}{modules};
+	    foreach my $mod (split(/ /, $modules)) {
+                my $opt = ($mod =~ /\((.*)\)/)? 1 : 0;
+                $mod = $1 if $1;
+                $result{$_}{$mod}{optional} = $opt;
+                $result{$_}{$mod}{installed} = module_exist($mod);
+	    }
+	}
+    }
+    return(\%result);
+}
+
+sub install_scripts ($$) {
+    my ($scripts, $xml) = @_;
+    my %success;
+    #$success{-foo} = 1;
+    my $dir = Irssi::get_irssi_dir()."/scripts/";
+    foreach (@{$scripts}) {
+	if (get_local_version($_) && (-e $dir.$_.".pl")) {
+	    $success{$_}{installed} = -2;
+	} else {
+	    $success{$_} = download_script($_, $xml);
+	}
+    }
+    return \%success;
+}
+
+sub update_scripts ($$) {
+    my ($list, $database) = @_;
+    $list = loaded_scripts() if ($list->[0] eq "all" || scalar(@$list) == 0);
+    my %status;
+    #$status{-foo} = 1;
+    foreach (@{$list}) {
+	my $local = get_local_version($_);
+	my $remote = get_remote_version($_, $database);
+	next if $local eq '' || $remote eq '';
+	if (compare_versions($local, $remote) eq "older") {
+	    $status{$_} = download_script($_, $database);
+	} else {
+	    $status{$_}{installed} = -2;
+	}
+	$status{$_}{remote} = $remote;
+	$status{$_}{local} = $local;
+    }
+    return \%status;
+}
+
+sub search_scripts ($$) {
+    my ($query, $database) = @_;
+    my %result;
+    #$result{-foo} = " ";
+    foreach (sort keys %{$database}) {
+	my %entry = %{$database->{$_}};
+	my $string = $_." ";
+	$string .= $entry{description} if defined $entry{description};
+	if ($string =~ /$query/i) {
+	    my $name = $_;
+	    $name =~ s/\.pl$//;
+	    if (defined $entry{description}) {
+		$result{$name}{desc} = $entry{description};
+	    } else {
+		$result{$name}{desc} = "";
+	    }
+	    if (defined $entry{authors}) {
+		$result{$name}{authors} = $entry{authors};
+	    } else {
+		$result{$name}{authors} = "";
+	    }
+	    if (get_local_version($name)) {
+		$result{$name}{installed} = 1;
+	    } else {
+		$result{$name}{installed} = 0;
+	    }
+	}
+    }
+    return \%result;
+}
+
+sub pipe_input {
+    my ($rh, $pipetag) = @{$_[0]};
+    my @lines = <$rh>;
+    close($rh);
+    Irssi::input_remove($$pipetag);
+    $forked = 0;
+    my $text = join("", @lines);
+    unless ($text) {
+	print CLIENTCRAP "%R<<%n Something weird happend";
+	return();
+    }
+    no strict "vars";
+    my $incoming = eval("$text");
+    if ($incoming->{db} && $incoming->{timestamp}) {
+    	$remote_db{db} = $incoming->{db};
+    	$remote_db{timestamp} = $incoming->{timestamp};
+    }
+    unless (defined $incoming->{data}) {
+	print CLIENTCRAP "%R<<%n Something weird happend";
+	return;
+    }
+    my %result = %{ $incoming->{data} };
+    @complist = ();
+    if (defined $result{new}) {
+	print_new($result{new});
+	push @complist, $_ foreach keys %{ $result{new} };
+    }
+    if (defined $result{check}) {
+	print_check(%{$result{check}});
+	push @complist, $_ foreach keys %{ $result{check} };
+    }
+    if (defined $result{update}) {
+	print_update(%{ $result{update} });
+	push @complist, $_ foreach keys %{ $result{update} };
+    }
+    if (defined $result{search}) {
+	foreach (keys %{$result{search}}) {
+	    print_search($_, %{$result{search}{$_}});
+	    push @complist, keys(%{$result{search}{$_}});
+	}
+    }
+    if (defined $result{install}) {
+	print_install(%{ $result{install} });
+	push @complist, $_ foreach keys %{ $result{install} };
+    }
+    if (defined $result{debug}) {
+	print_debug(%{ $result{debug} });
+    }
+    if (defined $result{rating}) {
+	print_ratings(%{ $result{rating} });
+	push @complist, $_ foreach keys %{ $result{rating} };
+    }
+    if (defined $result{rate}) {
+	print_rate(%{ $result{rate} });
+    }
+    if (defined $result{info}) {
+	print_info(%{ $result{info} });
+    }
+    if (defined $result{echo}) {
+	Irssi::print "ECHO";
+    }
+    if ($result{unknown}) {
+        print_unknown($result{unknown});
+    }
+
+}
+
+sub print_unknown ($) {
+    my ($data) = @_;
+    foreach my $cmd (keys %$data) {
+	print CLIENTCRAP "%R<<%n No script provides '/$cmd'" unless $data->{$cmd};
+	foreach (keys %{ $data->{$cmd} }) {
+	    my $text .= "The command '/".$cmd."' is provided by the script '".$data->{$cmd}{$_}{name}."'.\n";
+	    $text .= "This script is currently not installed on your system.\n";
+	    $text .= "If you want to install the script, enter\n";
+	    my ($name) = /(.*?)\.pl$/;
+	    $text .= "  %U/script install ".$name."%U ";
+	    my $output = draw_box("ScriptAssist", $text, "'".$_."' missing", 1);
+	    print CLIENTCRAP $output;
+	}
+    }
+}
+
+sub check_autorun ($) {
+    my ($script) = @_;
+    my $dir = Irssi::get_irssi_dir()."/scripts/";
+    if (-e $dir."/autorun/".$script.".pl") {
+	if (readlink($dir."/autorun/".$script.".pl") eq "../".$script.".pl") {
+	    return 1;
+	}
+    }
+    return 0;
+}
+
+sub array2table {
+    my (@array) = @_;
+    my @width;
+    foreach my $line (@array) {
+        for (0..scalar(@$line)-1) {
+            my $l = $line->[$_];
+            $l =~ s/%[^%]//g;
+            $l =~ s/%%/%/g;
+            $width[$_] = length($l) if $width[$_]<length($l);
+        }
+    }   
+    my $text;
+    foreach my $line (@array) {
+        for (0..scalar(@$line)-1) {
+            my $l = $line->[$_];
+            $text .= $line->[$_];
+            $l =~ s/%[^%]//g;
+            $l =~ s/%%/%/g;
+            $text .= " "x($width[$_]-length($l)+1) unless ($_ == scalar(@$line)-1);
+        }
+        $text .= "\n";
+    }
+    return $text;
+}
+
+
+sub print_info (%) {
+    my (%data) = @_;
+    my $line;
+    foreach my $script (sort keys(%data)) {
+	my ($local, $autorun);
+	if (get_local_version($script)) {
+	    $line .= "%go%n ";
+	    $local = get_local_version($script);
+	} else {
+	    $line .= "%ro%n ";
+	    $local = undef;
+	}
+	if (defined $local || check_autorun($script)) {
+	    $autorun = "no";
+	    $autorun = "yes" if check_autorun($script);
+	} else {
+	    $autorun = undef;
+	}
+	$line .= "%9".$script."%9\n";
+	$line .= "  Version    : ".$data{$script}{version}."\n";
+	$line .= "  Source     : ".$data{$script}{source}."\n";
+	$line .= "  Installed  : ".$local."\n" if defined $local;
+	$line .= "  Autorun    : ".$autorun."\n" if defined $autorun;
+	$line .= "  Authors    : ".$data{$script}{authors};
+	$line .= " %Go-m signed%n" if $data{$script}{signature_available};
+	$line .= "\n";
+	$line .= "  Contact    : ".$data{$script}{contact}."\n";
+	$line .= "  Description: ".$data{$script}{description}."\n";
+	$line .= "\n" if $data{$script}{modules};
+	$line .= "  Needed Perl modules:\n" if $data{$script}{modules};
+
+        foreach (sort keys %{$data{$script}{modules}}) {
+            if ( $data{$script}{modules}{$_}{installed} == 1 ) {
+                $line .= "  %g->%n ".$_." (found)";
+            } else {
+                $line .= "  %r->%n ".$_." (not found)";
+            }
+	    $line .= " <optional>" if $data{$script}{modules}{$_}{optional};
+            $line .= "\n";
+        }
+	#$line .= "  Needed Irssi scripts:\n";
+	$line .= "  Needed Irssi Scripts:\n" if $data{$script}{depends};
+	foreach (sort keys %{$data{$script}{depends}}) {
+	    if ( $data{$script}{depends}{$_}{installed} == 1 ) {
+		$line .= "  %g->%n ".$_." (loaded)";
+	    } else {
+		$line .= "  %r->%n ".$_." (not loaded)";
+	    }
+	    #$line .= " <optional>" if $data{$script}{depends}{$_}{optional};
+	    $line .= "\n";
+	}
+    }
+    print CLIENTCRAP draw_box('ScriptAssist', $line, 'info', 1) ;
+}
+
+sub print_rate (%) {
+    my (%data) = @_;
+    my $line;
+    foreach my $script (sort keys(%data)) {
+	if ($data{$script}) {
+            $line .= "%go%n %9".$script."%9 has been rated";
+        } else {
+            $line .= "%ro%n %9".$script."%9 : Already rated this script";
+        }
+    }
+    print CLIENTCRAP draw_box('ScriptAssist', $line, 'rating', 1) ;
+}
+
+sub print_ratings (%) {
+    my (%data) = @_;
+    my @table;
+    foreach my $script (sort {$data{$b}{rating}<=>$data{$a}{rating}} keys(%data)) {
+	my @line;
+	if (get_local_version($script)) {
+	    push @line, "%go%n";
+	} else {
+	    push @line, "%yo%n";
+	}
+        push @line, "%9".$script."%9";
+	push @line, $data{$script}{rating};
+	push @line, "[".$data{$script}{votes}." votes]";
+	push @table, \@line;
+    }
+    print CLIENTCRAP draw_box('ScriptAssist', array2table(@table), 'ratings', 1) ;
+}
+
+sub print_new ($) {
+    my ($list) = @_;
+    my @table;
+    foreach (sort {$list->{$b}{last_modified} cmp $list->{$a}{last_modified}} keys %$list) {
+	my @line;
+	my ($name) = /^(.*?)\.pl$/;
+        if (get_local_version($name)) {
+            push @line, "%go%n";
+        } else {
+            push @line, "%yo%n";
+        }
+	push @line, "%9".$name."%9";
+	push @line, $list->{$_}{last_modified};
+	push @table, \@line;
+    }
+    print CLIENTCRAP draw_box('ScriptAssist', array2table(@table), 'new scripts', 1) ;
+}
+
+sub print_debug (%) {
+    my (%data) = @_;
+    my $line;
+    foreach my $script (sort keys %data) {
+	$line .= "%ro%n %9".$script."%9 failed to load\n";
+	$line .= "  Make sure you have the following perl modules installed:\n";
+	foreach (sort keys %{$data{$script}}) {
+	    if ( $data{$script}{$_}{installed} == 1 ) {
+		$line .= "  %g->%n ".$_." (found)";
+	    } else {
+		$line .= "  %r->%n ".$_." (not found)\n";
+		$line .= "     [This module is optional]\n" if $data{$script}{$_}{optional};
+		$line .= "     [Try /scriptassist cpan ".$_."]";
+	    }
+	    $line .= "\n";
+	}
+	print CLIENTCRAP draw_box('ScriptAssist', $line, 'debug', 1) ;
+    }
+}
+
+sub load_script ($) {
+    my ($script) = @_;
+    Irssi::command('script load '.$script);
+}
+
+sub print_install (%) {
+    my (%data) = @_;
+    my $text;
+    my ($crashed, @installed);
+    foreach my $script (sort keys %data) {
+	my $line;
+	if ($data{$script}{installed} == 1) {
+	    my $hacked;
+	    if ($have_gpg && Irssi::settings_get_bool('scriptassist_use_gpg')) {
+		if ($data{$script}{signed} >= 0) {
+		    load_script($script) unless (lc($script) eq lc($IRSSI{name}));
+		} else {
+		    $hacked = 1;
+		}
+	    } else {
+		load_script($script) unless (lc($script) eq lc($IRSSI{name}));
+	    }
+    	    if (get_local_version($script) && not lc($script) eq lc($IRSSI{name})) {
+		$line .= "%go%n %9".$script."%9 installed\n";
+		push @installed, $script;
+	    } elsif (lc($script) eq lc($IRSSI{name})) {
+		$line .= "%yo%n %9".$script."%9 installed, please reload manually\n";
+	    } else {
+    		$line .= "%Ro%n %9".$script."%9 fetched, but unable to load\n";
+		$crashed .= $script." " unless $hacked;
+	    }
+	    if ($have_gpg && Irssi::settings_get_bool('scriptassist_use_gpg')) {
+		foreach (split /\n/, check_sig($data{$script})) {
+		    $line .= "  ".$_."\n";
+		}
+	    }
+	} elsif ($data{$script}{installed} == -2) {
+	    $line .= "%ro%n %9".$script."%9 already loaded, please try \"update\"\n";
+	} elsif ($data{$script}{installed} <= 0) {
+	    $line .= "%ro%n %9".$script."%9 not installed\n";
+    	    foreach (split /\n/, check_sig($data{$script})) {
+		$line .= "  ".$_."\n";
+	    }
+	} else {
+	    $line .= "%Ro%n %9".$script."%9 not found on server\n";
+	}
+	$text .= $line;
+    }
+    # Inspect crashed scripts
+    bg_do("debug ".$crashed) if $crashed;
+    print CLIENTCRAP draw_box('ScriptAssist', $text, 'install', 1);
+    list_sbitems(\@installed);
+}
+
+sub list_sbitems ($) {
+    my ($scripts) = @_;
+    my $text;
+    foreach (@$scripts) {
+	no strict 'refs';
+	next unless defined %{ "Irssi::Script::${_}::" };
+	next unless defined %{ "Irssi::Script::${_}::IRSSI" };
+	my %header = %{ "Irssi::Script::${_}::IRSSI" };
+	next unless $header{sbitems};
+	$text .= '%9"'.$_.'"%9 provides the following statusbar item(s):'."\n";
+	$text .= '  ->'.$_."\n" foreach (split / /, $header{sbitems});
+    }
+    return unless $text;
+    $text .= "\n";
+    $text .= "Enter '/statusbar window add <item>' to add an item.";
+    print CLIENTCRAP draw_box('ScriptAssist', $text, 'sbitems', 1);
+}
+
+sub check_sig ($) {
+    my ($sig) = @_;
+    my $line;
+    my %trust = ( -1 => 'undefined',
+                   0 => 'never',
+		   1 => 'marginal',
+		   2 => 'fully',
+		   3 => 'ultimate'
+		 );
+    if ($sig->{signed} == 1) {
+	$line .= "Signature found from ".$sig->{sig}{user}."\n";
+	$line .= "Timestamp  : ".$sig->{sig}{date}."\n";
+	$line .= "Fingerprint: ".$sig->{sig}{fingerprint}."\n";
+	$line .= "KeyID      : ".$sig->{sig}{keyid}."\n";
+	$line .= "Trust      : ".$trust{$sig->{sig}{trust}}."\n";
+    } elsif ($sig->{signed} == -1) {
+	$line .= "%1Warning, unable to verify signature%n\n";
+    } elsif ($sig->{signed} == 0) {
+	$line .= "%1No signature found%n\n" unless Irssi::settings_get_bool('scriptassist_install_unsigned_scripts');
+    }
+    return $line;
+}
+
+sub print_search ($%) {
+    my ($query, %data) = @_;
+    my $text;
+    foreach (sort keys %data) {
+	my $line;
+	$line .= "%go%n" if $data{$_}{installed};
+	$line .= "%yo%n" if not $data{$_}{installed};
+	$line .= " %9".$_."%9 ";
+	$line .= $data{$_}{desc};
+	$line =~ s/($query)/%U$1%U/gi;
+	$line .= ' ('.$data{$_}{authors}.')';
+	$text .= $line." \n";
+    }
+    print CLIENTCRAP draw_box('ScriptAssist', $text, 'search: '.$query, 1) ;
+}
+
+sub print_update (%) { 
+    my (%data) = @_;
+    my $text;
+    my @table;
+    my $verbose = Irssi::settings_get_bool('scriptassist_update_verbose');
+    foreach (sort keys %data) {
+	my $signed = 0;
+	if ($data{$_}{installed} == 1) {
+	    my $local = $data{$_}{local};
+	    my $remote = $data{$_}{remote};
+	    push @table, ['%yo%n', '%9'.$_.'%9', 'upgraded ('.$local.'->'.$remote.')'];
+	    foreach (split /\n/, check_sig($data{$_})) {
+		push @table, ['', '', $_];
+	    }
+	    if (lc($_) eq lc($IRSSI{name})) {
+		push @table, ['', '', "%R%9Please reload manually%9%n"];
+	    } else {
+		load_script($_);
+	    }
+	} elsif ($data{$_}{installed} == 0 || $data{$_}{installed} == -1) {
+	    push @table, ['%yo%n', '%9'.$_.'%9', 'not upgraded'];
+            foreach (split /\n/, check_sig($data{$_})) {
+		push @table, ['', '', $_];
+            } 
+	} elsif ($data{$_}{installed} == -2 && $verbose) {
+	    my $local = $data{$_}{local};
+	    push @table, ['%go%n', '%9'.$_.'%9', 'already at the latest version ('.$local.')'];
+    	}
+    }
+    $text = array2table(@table);
+    print CLIENTCRAP draw_box('ScriptAssist', $text, 'update', 1) ;
+}
+
+sub contact_author ($) {
+    my ($script) = @_;
+    no strict 'refs';
+    return unless defined %{ "Irssi::Script::${script}::" };
+    my %header = %{ "Irssi::Script::${script}::IRSSI" };
+    if (defined $header{contact}) {
+	my @ads = split(/ |,/, $header{contact});
+	my $address = $ads[0];
+	$address .= '?subject='.$script;
+	$address .= '_'.get_local_version($script) if defined get_local_version($script);
+	call_openurl($address);
+    }
+}
+
+sub get_scripts {
+    my $ua = LWP::UserAgent->new(env_proxy=>1, keep_alive=>1, timeout=>30);
+    $ua->agent('ScriptAssist/'.$VERSION);
+    $ua->env_proxy();
+    my @mirrors = split(/ /, Irssi::settings_get_str('scriptassist_script_sources'));
+    my %sites_db;
+    my $fetched = 0;
+    my @sources;
+    foreach my $site (@mirrors) {
+	my $request = HTTP::Request->new('GET', $site);
+	if ($remote_db{timestamp}) {
+	    $request->if_modified_since($remote_db{timestamp});
+	}
+	my $response = $ua->request($request);
+	next unless $response->is_success;
+	$fetched = 1;
+	my $data = $response->content();
+	my ($src, $type);
+	if ($site =~ /(.*\/).+\.(.+)/) {
+	    $src = $1;
+	    $type = $2;
+	}
+	push @sources, $src;
+	#my @header = ('name', 'contact', 'authors', 'description', 'version', 'modules', 'last_modified');
+	if ($type eq 'dmp') {
+	    no strict 'vars';
+	    my $new_db = eval "$data";
+	    foreach (keys %$new_db) {
+		if (defined $sites_db{script}{$_}) {
+		    my $old = $sites_db{$_}{version};
+		    my $new = $new_db->{$_}{version};
+		    next if (compare_versions($old, $new) eq 'newer');
+		}
+		#foreach my $key (@header) {
+		foreach my $key (keys %{ $new_db->{$_} }) {
+		    next unless defined $new_db->{$_}{$key};
+		    $sites_db{$_}{$key} = $new_db->{$_}{$key};
+		}
+		$sites_db{$_}{source} = $src;
+	    }
+	} else {
+	    ## FIXME Panic?!
+	}
+	
+    }
+    if ($fetched) {
+	# Clean database
+	foreach (keys %{$remote_db{db}}) {
+	    foreach my $site (@sources) {
+		if ($remote_db{db}{$_}{source} eq $site) {
+		    delete $remote_db{db}{$_};
+		    last;
+		}
+	    }
+	}
+	$remote_db{db}{$_} = $sites_db{$_} foreach (keys %sites_db);
+	$remote_db{timestamp} = time();
+    }
+    return $remote_db{db};
+}
+
+sub get_remote_version ($$) {
+    my ($script, $database) = @_;
+    return $database->{$script.".pl"}{version};
+}
+
+sub get_local_version ($) {
+    my ($script) = @_;
+    no strict 'refs';
+    return unless defined %{ "Irssi::Script::${script}::" };
+    my $version = ${ "Irssi::Script::${script}::VERSION" };
+    return $version;
+}
+
+sub compare_versions ($$) {
+    my ($ver1, $ver2) = @_;
+    my @ver1 = split /\./, $ver1;
+    my @ver2 = split /\./, $ver2;
+    #if (scalar(@ver2) != scalar(@ver1)) {
+    #    return 0;
+    #}       
+    my $cmp = 0;
+    ### Special thanks to Clemens Heidinger
+    $cmp ||= $ver1[$_] <=> $ver2[$_] || $ver1[$_] cmp $ver2[$_] for 0..scalar(@ver2);
+    return 'newer' if $cmp == 1;
+    return 'older' if $cmp == -1;
+    return 'equal';
+}
+
+sub loaded_scripts {
+    no strict 'refs';
+    my @modules;
+    foreach (sort grep(s/::$//, keys %Irssi::Script::)) {
+        #my $name    = ${ "Irssi::Script::${_}::IRSSI" }{name};
+        #my $version = ${ "Irssi::Script::${_}::VERSION" };
+	push @modules, $_;# if $name && $version;
+    }
+    return \@modules;
+
+}
+
+sub check_scripts {
+    my ($data) = @_;
+    my %versions;
+    #$versions{-foo} = 1;
+    foreach (@{loaded_scripts()}) {
+        my $remote = get_remote_version($_, $data);
+        my $local =  get_local_version($_);
+	my $state;
+	if ($local && $remote) {
+	    $state = compare_versions($local, $remote);
+	} elsif ($local) {
+	    $state = 'noversion';
+	    $remote = '/';
+	} else {
+	    $state = 'noheader';
+	    $local = '/';
+	    $remote = '/';
+	}
+	if ($state) {
+	    $versions{$_}{state} = $state;
+	    $versions{$_}{remote} = $remote;
+	    $versions{$_}{local} = $local;
+	}
+    }
+    return \%versions;
+}
+
+sub download_script ($$) {
+    my ($script, $xml) = @_;
+    my %result;
+    my $site = $xml->{$script.".pl"}{source};
+    $result{installed} = 0;
+    $result{signed} = 0;
+    my $dir = Irssi::get_irssi_dir();
+    my $ua = LWP::UserAgent->new(env_proxy => 1,keep_alive => 1,timeout => 30);
+    $ua->agent('ScriptAssist/'.$VERSION);
+    my $request = HTTP::Request->new('GET', $site.'/scripts/'.$script.'.pl');
+    my $response = $ua->request($request);
+    if ($response->is_success()) {
+	my $file = $response->content();
+	mkdir $dir.'/scripts/' unless (-e $dir.'/scripts/');
+	local *F;
+	open(F, '>'.$dir.'/scripts/'.$script.'.pl.new');
+	print F $file;
+	close(F);
+	if ($have_gpg && Irssi::settings_get_bool('scriptassist_use_gpg')) {
+	    my $ua2 = LWP::UserAgent->new(env_proxy => 1,keep_alive => 1,timeout => 30);
+	    $ua->agent('ScriptAssist/'.$VERSION);
+	    my $request2 = HTTP::Request->new('GET', $site.'/signatures/'.$script.'.pl.asc');
+	    my $response2 = $ua->request($request2);
+	    if ($response2->is_success()) {
+		local *S;
+		my $sig_dir = $dir.'/scripts/signatures/';
+		mkdir $sig_dir unless (-e $sig_dir);
+		open(S, '>'.$sig_dir.$script.'.pl.asc');
+		my $file2 = $response2->content();
+		print S $file2;
+		close(S);
+		my $sig;
+		foreach (1..2) {
+		    # FIXME gpg needs two rounds to load the key
+		    my $gpg = new GnuPG();
+		    eval {
+			$sig = $gpg->verify( file => $dir.'/scripts/'.$script.'.pl.new', signature => $sig_dir.$script.'.pl.asc' );
+		    };
+		}
+		if (defined $sig->{user}) {
+		    $result{installed} = 1;
+		    $result{signed} = 1;
+		    $result{sig}{$_} = $sig->{$_} foreach (keys %{$sig});
+		} else {
+		    # Signature broken?
+		    $result{installed} = 0;
+		    $result{signed} = -1;
+		}
+	    } else {
+		$result{signed} = 0;
+		$result{installed} = -1;
+		$result{installed} = 1 if Irssi::settings_get_bool('scriptassist_install_unsigned_scripts');
+	    }
+	} else {
+	    $result{signed} = 0;
+	    $result{installed} = -1;
+	    $result{installed} = 1 if Irssi::settings_get_bool('scriptassist_install_unsigned_scripts');
+	}
+    }
+    if ($result{installed}) {
+	my $old_dir = "$dir/scripts/old/";
+	mkdir $old_dir unless (-e $old_dir);
+	rename "$dir/scripts/$script.pl", "$old_dir/$script.pl.old" if -e "$dir/scripts/$script.pl";
+	rename "$dir/scripts/$script.pl.new", "$dir/scripts/$script.pl";
+    }
+    return \%result;
+}
+
+sub print_check (%) {
+    my (%data) = @_;
+    my $text;
+    my @table;
+    foreach (sort keys %data) {
+	my $state = $data{$_}{state};
+	my $remote = $data{$_}{remote};
+	my $local = $data{$_}{local};
+	if (Irssi::settings_get_bool('scriptassist_check_verbose')) {
+	    push @table, ['%go%n', '%9'.$_.'%9', 'Up to date. ('.$local.')'] if $state eq 'equal';
+	}
+	push @table, ['%mo%n', '%9'.$_.'%9', "No version information available on network."] if $state eq "noversion";
+	push @table, ['%mo%n', '%9'.$_.'%9', 'No header in script.'] if $state eq "noheader";
+	push @table, ['%bo%n', '%9'.$_.'%9', "Your version is newer (".$local."->".$remote.")"] if $state eq "newer";
+	push @table, ['%ro%n', '%9'.$_.'%9', "A new version is available (".$local."->".$remote.")"] if $state eq "older";;
+    }
+    $text = array2table(@table);
+    print CLIENTCRAP draw_box('ScriptAssist', $text, 'check', 1) ;
+}
+
+sub toggle_autorun ($) {
+    my ($script) = @_;
+    my $dir = Irssi::get_irssi_dir()."/scripts/";
+    mkdir $dir."autorun/" unless (-e $dir."autorun/");
+    return unless (-e $dir.$script.".pl");
+    if (check_autorun($script)) {
+	if (readlink($dir."/autorun/".$script.".pl") eq "../".$script.".pl") {
+	    if (unlink($dir."/autorun/".$script.".pl")) {
+		print CLIENTCRAP "%R>>%n Autorun of ".$script." disabled";
+	    } else {
+		print CLIENTCRAP "%R>>%n Unable to delete link";
+	    }
+	} else {
+	    print CLIENTCRAP "%R>>%n ".$dir."/autorun/".$script.".pl is not a correct link";
+	}
+    } else {
+	symlink("../".$script.".pl", $dir."/autorun/".$script.".pl");
+    	print CLIENTCRAP "%R>>%n Autorun of ".$script." enabled";
+    }
+}
+
+sub sig_script_error ($$) {
+    my ($script, $msg) = @_;
+    return unless Irssi::settings_get_bool('scriptassist_catch_script_errors');
+    if ($msg =~ /Can't locate (.*?)\.pm in \@INC \(\@INC contains:(.*?) at/) {
+        my $module = $1;
+        $module =~ s/\//::/g;
+	missing_module($module);
+    }
+}
+
+sub missing_module ($$) {
+    my ($module) = @_;
+    my $text;
+    $text .= "The perl module %9".$module."%9 is missing on your system.\n";
+    $text .= "Please ask your administrator about it.\n";
+    $text .= "You can also check CPAN via '/scriptassist cpan ".$module."'.\n";
+    print CLIENTCRAP &draw_box('ScriptAssist', $text, $module, 1);
+}
+
+sub cmd_scripassist ($$$) {
+    my ($arg, $server, $witem) = @_;
+    my @args = split(/ /, $arg);
+    if ($args[0] eq 'help' || $args[0] eq '-h') {
+	show_help();
+    } elsif ($args[0] eq 'check') {
+	bg_do("check");
+    } elsif ($args[0] eq 'update') {
+	shift @args;
+	bg_do("update ".join(' ', @args));
+    } elsif ($args[0] eq 'search' && defined $args[1]) {
+	shift @args;
+	bg_do("search ".join(" ", @args));
+    } elsif ($args[0] eq 'install' && defined $args[1]) {
+	shift @args;
+	bg_do("install ".join(' ', @args));
+    } elsif ($args[0] eq 'contact' && defined $args[1]) {
+	contact_author($args[1]);
+    } elsif ($args[0] eq 'ratings' && defined $args[1]) {
+	shift @args;
+	bg_do("ratings ".join(' ', @args));
+    } elsif ($args[0] eq 'rate' && defined $args[1] && defined $args[2]) {
+	shift @args;
+	bg_do("rate ".join(' ', @args)) if ($args[2] >= 0 && $args[2] < 6);
+    } elsif ($args[0] eq 'info' && defined $args[1]) {
+	shift @args;
+	bg_do("info ".join(' ', @args));
+    } elsif ($args[0] eq 'echo') {
+	bg_do("echo");
+    } elsif ($args[0] eq 'top') {
+	my $number = defined $args[1] ? $args[1] : 10;
+	bg_do("top ".$number);
+    } elsif ($args[0] eq 'cpan' && defined $args[1]) {
+	call_openurl('http://search.cpan.org/search?mode=module&query='.$args[1]);
+    } elsif ($args[0] eq 'autorun' && defined $args[1]) {
+	toggle_autorun($args[1]);
+    } elsif ($args[0] eq 'new') {
+	my $number = defined $args[1] ? $args[1] : 5;
+	bg_do("new ".$number);
+    }
+}
+
+sub sig_command_script_load ($$$) {
+    my ($script, $server, $witem) = @_;
+    no strict;
+    $script = $2 if $script =~ /(.*\/)?(.*?)\.pl$/;
+    if (defined %{ "Irssi::Script::${script}::" }) {
+	if (defined &{ "Irssi::Script::${script}::pre_unload" }) {
+	    print CLIENTCRAP "%R>>%n Triggering pre_unload function of $script...";
+	    &{ "Irssi::Script::${script}::pre_unload" }();
+	}
+    }
+}
+
+sub sig_default_command ($$) {
+    my ($cmd, $server) = @_;
+    return unless Irssi::settings_get_bool("scriptassist_check_unknown_commands");
+    bg_do('unknown '.$cmd);
+}
+
+sub sig_complete ($$$$$) {
+    my ($list, $window, $word, $linestart, $want_space) = @_;
+    return unless $linestart =~ /^.script(assist)? (install|rate|ratings|update|check|contact|info|autorun)/;
+    my @newlist;
+    my $str = $word;
+    foreach (@complist) {
+	if ($_ =~ /^(\Q$str\E.*)?$/) {
+	    push @newlist, $_;
+	}
+    }
+    foreach (@{loaded_scripts()}) {
+	push @newlist, $_ if /^(\Q$str\E.*)?$/;
+    }
+    $want_space = 0;
+    push @$list, $_ foreach @newlist;
+    Irssi::signal_stop();
+}
+
+
+Irssi::settings_add_str($IRSSI{name}, 'scriptassist_script_sources', 'http://www.irssi.org/scripts/scripts.dmp');
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_cache_sources', 1);
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_update_verbose', 1);
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_check_verbose', 1);
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_catch_script_errors', 1);
+
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_install_unsigned_scripts', 1);
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_use_gpg', 1);
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_integrate', 1);
+Irssi::settings_add_bool($IRSSI{name}, 'scriptassist_check_unknown_commands', 1);
+
+Irssi::signal_add_first("default command", \&sig_default_command);
+Irssi::signal_add_first('complete word', \&sig_complete);
+Irssi::signal_add_first('command script load', \&sig_command_script_load);
+Irssi::signal_add_first('command script unload', \&sig_command_script_load);
+
+if (defined &Irssi::signal_register) {
+    Irssi::signal_register({ 'script error' => [ 'Irssi::Script', 'string' ] });
+    Irssi::signal_add_last('script error', \&sig_script_error);
+}
+
+Irssi::command_bind('scriptassist', \&cmd_scripassist);
+
+Irssi::theme_register(['box_header', '%R,--[%n$*%R]%n',
+'box_inside', '%R|%n $*',
+'box_footer', '%R`--<%n$*%R>->%n',
+]);
+
+foreach my $cmd ( ( 'check', 'install', 'update', 'contact', 'search', '-h', 'help', 'ratings', 'rate', 'info', 'echo', 'top', 'cpan', 'autorun', 'new') ) {
+    Irssi::command_bind('scriptassist '.$cmd => sub {
+			cmd_scripassist("$cmd ".$_[0], $_[1], $_[2]); });
+    if (Irssi::settings_get_bool('scriptassist_integrate')) {
+	Irssi::command_bind('script '.$cmd => sub {
+    			    cmd_scripassist("$cmd ".$_[0], $_[1], $_[2]); });
+    }
+}
+
+print CLIENTCRAP '%B>>%n '.$IRSSI{name}.' '.$VERSION.' loaded: /scriptassist help for help';
-- 
cgit v1.2.3