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+package Echolot::Thesaurus;
+
+#
+# $Id$
+#
+# This file is part of Echolot - a Pinger for anonymous remailers.
+#
+# Copyright (c) 2002, 2003, 2004 Peter Palfrader <peter@palfrader.org>
+#
+# This program is free software. you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+
+=pod
+
+=head1 Name
+
+Echolot::Thesaurus - build thesaurus pages
+
+=head1 DESCRIPTION
+
+This package provides necessary functions for the thesaurus.
+
+=cut
+
+use strict;
+use English;
+use Echolot::Log;
+
+
+sub save_thesaurus($$$) {
+ my ($otype, $oid, $data) = @_;
+
+ return 1 unless Echolot::Config::get()->{'thesaurus'};
+
+ my ($type) = $otype =~ /^([a-z-]+)$/;
+ Echolot::Log::cluck("type '$otype' is not clean in save_thesaurus."), return 0 unless defined $type;
+ my ($id) = $oid =~ /^([0-9]+)$/;
+ Echolot::Log::cluck("id '$oid' is not clean in save_thesaurus."), return 0 unless defined $id;
+
+ my $file = Echolot::Config::get()->{'thesaurusdir'}.'/'.$id.'.'.$type;
+ open (F, ">$file") or
+ Echolot::Log::warn ("Cannot open '$file': $!."),
+ return 0;
+ print F $data;
+ close (F);
+
+ return 1;
+};
+
+sub build_thesaurus() {
+ return 1 unless Echolot::Config::get()->{'thesaurus'};
+
+ my $dir = Echolot::Config::get()->{'thesaurusdir'};
+ opendir(DIR, $dir) or
+ Echolot::Log::warn ("Cannot open '$dir': $!."),
+ return 0;
+ my @files = grep { ! /^\./ } readdir(DIR);
+ closedir(DIR);
+
+
+ my $expire_date = time() - Echolot::Config::get()->{'expire_thesaurus'};
+
+ my $data;
+ for my $filename (@files) {
+ my ($id, $what) = $filename =~ /^(\d+)\.(adminkey|conf|help|key|stats)$/;
+ next unless (defined $id && defined $what);
+
+ my $remailer = Echolot::Globals::get()->{'storage'}->get_address_by_id($id);
+ next unless defined $remailer;
+ next unless $remailer->{'showit'};
+ my $caps = Echolot::Globals::get()->{'storage'}->get_capabilities($remailer->{'address'});
+ next unless defined $caps;
+ next unless $caps !~ m/\btesting\b/i;
+
+ my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
+ $atime,$mtime,$ctime,$blksize,$blocks)
+ = stat($dir.'/'.$filename);
+
+ if ($mtime < $expire_date) {
+ unlink ($dir.'/'.$filename) or
+ Echolot::Log::warn("Cannot unlink expired $filename.");
+ Echolot::Log::info("Expired thesaurus file $filename.");
+ next;
+ };
+
+ my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday)
+ = gmtime($mtime);
+
+ my $date = sprintf("%04d-%02d-%02d", $year+1900, $mon+1, $mday);
+ my $time = sprintf("%02d:%02d", $hour, $min);
+
+
+ $data->{$remailer->{'address'}}->{$what.'_href'} = $filename;
+ $data->{$remailer->{'address'}}->{$what.'_date'} = $date;
+ $data->{$remailer->{'address'}}->{$what.'_time'} = $time;
+ $data->{$remailer->{'address'}}->{'id'} = $id;
+ };
+
+
+ for my $addr (keys (%$data)) {
+ my $nick = Echolot::Globals::get()->{'storage'}->get_nick($addr);
+ if (defined $nick) {
+ $data->{$addr}->{'nick'} = $nick;
+ $data->{$addr}->{'address'} = $addr;
+ } else {
+ delete $data->{$addr};
+ };
+ };
+
+ my @data = map {$data->{$_}} (sort { $data->{$a}->{'nick'} cmp $data->{$b}->{'nick'} } keys (%$data));
+
+
+ Echolot::Tools::write_HTML_file(
+ Echolot::Config::get()->{'thesaurusindexfile'},
+ 'thesaurusindexfile',
+ Echolot::Config::get()->{'buildthesaurus'},
+ remailers => \@data);
+
+ open(F, ">$dir/index.txt") or
+ Echolot::Log::warn ("Cannot open '$dir/index.txt': $!."),
+ return 0;
+ for my $remailer (@data) {
+ printf F "%s\t%s\t%s\n", $remailer->{'nick'}, $remailer->{'id'}, $remailer->{'address'};
+ };
+ close(F) or
+ Echolot::Log::warn ("Cannot close '$dir/index.txt': $!."),
+ return 0;
+};
+
+
+1;
+# vim: set ts=4 shiftwidth=4: