--- /dev/null
+#!/usr/bin/perl -
+#
+# This script is invoked to process an email sent by the
+# commod-update-receiver Perl script.
+
+# This is part of ypp-sc-tools, a set of third-party tools for assisting
+# players of Yohoho Puzzle Pirates.
+#
+# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+#
+# Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+# are used without permission. This program is not endorsed or
+# sponsored by Three Rings.
+
+# Emails are:
+# multipart/mixed, containing
+# text/plain; name="metadata"; charset="utf-8"
+# Content-Disposition: inline; filename="metadata"
+# ocean\t<ocean> canonical mixed case
+# island\t<island> canonical mixed case
+# timestamp\t<digits> time_t (non-leap secs since start of 1970 UTC)
+# clientname\t<cname> may contain spaces
+# clientversion\t<cversion> may contain spaces
+# clientfixes\t<cfixes> space-delimited list
+# clientspec\t<cspec> <cname>\t<cversion>\t<cfixes>
+# servername\t<sname> may contain spaces
+# serverversion\t<sversion> may contain spaces
+# serverfixes\t<sfixes> space-delimited list
+# serverspec\t<sspec> <sname>\t<serverversion>\t<serverfixes>
+# application/octet-stream; name="deduped.tsv.gz"
+# Content-Disposition: attachment; filename="deduped.tsv.gz"
+# <base64>
+
+use strict (qw(vars));
+
+use MIME::Parser;
+
+setlocale(LC_CTYPE, "en_GB.UTF-8");
+my $mp= new MIME::Parser;
+our $entity;
+
+sub find_part ($$) {
+ my ($filename, $type, $accepter) = @_
+ foreach my $part ($entity->parts()) {
+ my $h= $part->head();
+ next unless $h->recommended_filename() eq $filename;
+ next unless $h->mime_type() eq $type;
+ next unless $part->effective_type() eq $type;
+ next unless &$accepter($h) if defined $accepter;
+ return $part;
+ }
+ die "no appropriate part with name $filename and type $type";
+}
+
+sub main () {
+ $parser->extract_nested_messages(0);
+ $parser->ignore_errors(0);
+
+ $entity= $mp->parse(\*STDIN);
+ my $eff_type= $entity->effective_type();
+ die "effective type $eff_type" unless $eff_type eq 'multipart/mixed';
+
+ my $mdpart= find_part('metadata', 'text/plain', sub {
+ my $charset= $_[0]->mime_attr('content-type.charset');
+ return 1 if grep { $_ eq $charset } qw(utf-8 us-ascii);
+ });
+
+ my $mdh= $mdpart->open('r') or die;
+ my %md;
+ while (<$mdh>) {
+ m/^([a-z]+)\t(.*)$/ or next;
+ $md{$1}= $2;
+ }
+
+ my $tsvpart= find_part('deduped.tsv.gz', 'application/octet-stream');
+ $tsvpart->binmode(1);
+