1 #!/usr/bin/env perl
2 
3 use open ":std", ":encoding(UTF-8)";
4 use utf8;
5 use strict;
6 use warnings;
7 use v5.32;
8 
9 use File::Copy;
10 
11 use OpenBSD::Pledge;
12 use OpenBSD::Unveil;
13 
14 use lib ".";
15 use GotMArc qw($logo san mid2path initpage endpage);
16 
17 my $outdir = $ENV{'OUTDIR'};
18 die 'Set $OUTDIR' unless defined $outdir;
19 
20 my $tfh; # thread file handle
21 my $pfh; # page file handle
22 my $page = -1;
23 my $threads_seen = 0;
24 my $last_level = 0;
25 my $entries = 0;
26 my $entries_per_page = 100;
27 
28 sub pagename {
29 	my $i = shift;
30 	return $i == 0 && "index.html" || "$i.html";
31 }
32 
33 sub nextfile {
34 	$entries = 0;
35 	close($pfh) if defined $pfh;
36 	$page += 1;
37 	my $path = pagename($page);
38 	open($pfh, '>', $path)
39 	    or die "can't open $path: $!";
40 
41 	my $title = "Game of Trees Mail Archive";
42 	$title .= " | page $page" if $page != 0;
43 	initpage($pfh, $title);
44 
45 	my $hdr = <<EOF;
46 <header class='index-header'>
47   <a href="https://gameoftrees.org" target="_blank">
48     <img src='/got.png'
49          srcset='/got.png, /got@2x.png 2x'
50          alt='"GOT" where the "O" is a cute smiling sun.' />
51   </a>
52   <h1>$title</h1>
53 </header>
54 <main>
55 EOF
56 	say $pfh $hdr;
57 }
58 
59 sub fixfiles {
60 	close($pfh);
61 
62 	my ($first, $last) = (pagename(0), pagename($page));
63 
64 	for (my $i = 0; $i <= $page; $i++) {
65 		my $path = pagename($i);
66 
67 		open(my $pfh, '>>', $path)
68 		    or die "can't open $path for append: $!";
69 
70 		if ($page > 1) {
71 			my ($next, $prev) = (pagename($i+1), pagename($i-1));
72 
73 			say $pfh "<nav class='next-prev'><!-- $pfh -->";
74 			say $pfh "<a href='$first'>First</a>" if $i > 1;
75 			say $pfh "<a href='$prev'>Prev</a>" if $i > 0;
76 			say $pfh "<a href='$next'>Next</a>" if $i < $page;
77 			say $pfh "<a href='$last'>Last</a>" if $i < $page - 1;
78 			say $pfh "</nav>";
79 		}
80 
81 		say $pfh "</main>";
82 		endpage($pfh);
83 		close($pfh);
84 		move $path, "$outdir/$path";
85 	}
86 }
87 
88 sub nextthread {
89 	endthread() if defined($tfh);
90 	my ($mid, $subj) = @_;
91 	my $dest = "$outdir/thread/$mid.html";
92 	open($tfh, '>', $dest) or die "can't open $dest: $!";
93 	initpage($tfh, $subj);
94 
95 	print $tfh "<header class='mail-header'>";
96 	print $tfh "<p>";
97 	print $tfh $logo;
98 	print $tfh "<a href='/'>Index</a>";
99 	print $tfh "</p>";
100 	print $tfh "<dl><dt>Thread:</dt><dd>$subj</dd></dl>";
101 	print $tfh "</header>\n";
102 	# print $tfh "<div class='thread'><ul class='mails'>\n";
103 }
104 
105 sub endthread {
106 	say $tfh "</ul></li>" x $last_level;
107 	say $tfh "</ul></div>\n";
108 	endpage($tfh);
109 	close($tfh);
110 
111 	$last_level = 0;
112 }
113 
114 sub entry_raw {
115 	my ($fh, $sep, $mid, $level, $date, $from, $subj) = @_;
116 	my $new_thread = $level == 0;
117 
118 	say $fh "</ul>\n</li>" x ($last_level - $level) if $last_level > $level;
119 	say $fh "</ul>\n</div>$sep" if $threads_seen && $new_thread;
120 
121 	if ($new_thread) {
122 		# don't break threads over multiple pages!
123 		nextfile if $entries >= $entries_per_page && $fh != $tfh;
124 
125 		nextthread($mid, $subj);
126 		say $fh "<div class='thread'>";
127 	}
128 
129 	if ($last_level < $level) {
130 		say $fh "<li>\n<ul>";
131 	} elsif ($last_level == 0) {
132 		say $fh "<ul class='mails'>";
133 	}
134 
135 	print $fh "<li id='$mid' class='mail'>";
136 	print $fh "<p class='mail-meta'>";
137 	print $fh "<time>$date</time> ";
138 	print $fh "<span class='from'>$from</span>";
139 	print $fh "<span class='colon'>:</span>";
140 	if ($fh != $tfh && $level == 0) {
141 		print $fh " (<a href='/thread/$mid.html'>thread</a>)";
142 	}
143 	print $fh "</p>";
144 	print $fh "<p class='subject'>";
145 	print $fh "<a href='/mail/$mid.html'>$subj</a>";
146 	print $fh "</p>";
147 	print $fh "</li>\n";
148 }
149 
150 sub entry {
151 	$entries++;
152 	entry_raw($pfh, "<hr />", @_);
153 	entry_raw($tfh, "", @_);
154 }
155 
156 unveil($outdir, "rwc") or die "unveil $outdir: $!";
157 unveil(".", "rwc") or die "unveil .: $!";
158 
159 # fattr is needed by move
160 pledge("stdio rpath wpath cpath fattr") or die "pledge: $!";
161 
162 nextfile();
163 
164 while (<>) {
165 	chomp;
166 	m/^[^ ]+ <([^>]+)> (.+)(\d{4}-\d{2}-\d{2} \d{2}:\d{2}) <([^>]+)> (.*)/;
167 	die "woops; $_\n" unless defined $1;
168 
169 	my ($mid, $indent, $date, $from, $subj) = ($1, $2, $3, $4, $5);
170 	$from =~ s/\s+$//;
171 	$from = san($from);
172 	$subj = san($subj);
173 
174 	my $level = length($indent) - 1;
175 	$level = 10 if $indent =~ m/\.\.\d{2}\.\./;
176 
177 	$mid = mid2path($mid);
178 
179 	$subj =~ s/\s+/ /g;
180 	$subj =~ s/\s+$//g;
181 
182 	entry($mid, $level, $date, $from, $subj);
183 	$last_level = $level;
184 	$threads_seen = 1;
185 }
186 
187 if ($threads_seen) {
188 	say $pfh "</ul></li>" x $last_level;
189 	say $pfh "</ul></div>";
190 	endthread();
191 }
192 
193 fixfiles();