- our $VERSION = 'v1.0';
-
- my $source = $ENV{PATH_INFO};
- $source =~ s{^/}{};
-
-:><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- "http://www.w3.org/TR/html4/loose.dtd">
-<html lang="en">
-
-<head>
-<meta http-equiv="content-type" content="<:= $header{content_type} :>">
-<title><:= $source :> source code</title>
-<meta name="description" content="<:=
- $source ? "Source code of local $source file"
- . ", with syntax highlighted and references linked."
- : 'Index of source files for this site.'
-:>">
-<meta name="keywords" content="sheet, cheat, source, code, perl, plp, html, agpl">
-<:= stylesheet(qw'light dark mono red') :>
-<link rel="icon" type="image/png" href="/clip.png">
-</head>
-
-<body id="source">
-<:
-
-if (not $source) {
- print "<h1>Source files</h1>";
+
+my $source = $Request;
+my $incname = qr{ [a-z][/a-z0-9_.-]* \.(?:plp?|css|js|txt) }x;
+
+if ($source =~ s{(?<=\Q.inc.pl\E)/jsonp?$}{} and -r $source) {
+ # convert perl include to json construct
+ checkmodified($source);
+ eval {
+ my $data = do $source or die $@ || $! || 'read error';
+ require JSON;
+ my $converter = JSON->new;
+ $converter->indent->space_after->canonical;
+
+ $header{content_type} = 'application/json';
+ $header{'Access-Control-Allow-Origin'} = '*';
+ $header{content_type} = 'text/plain' if exists $get{debug};
+ print $_, '(' for $get{callback} // ();
+ print $converter->encode($data);
+ print ')' for $get{callback} // ();
+ return 1;
+ } or do {
+ $header{status} = '500 File unavailable';
+ $header{content_type} = 'text/plain';
+ print "Conversion failed: $@";
+ };
+ exit;
+}
+
+Html({
+ title => "$source source code",
+ version => '1.3',
+ description => !$source ? 'Index of source files for this site.' : [
+ "Source code of the $source file at this site,",
+ "with syntax highlighted and references linked."
+ ],
+ keywords => [qw'
+ sheet cheat source code perl plp html agpl
+ '],
+ stylesheet => [qw'light dark mono red'],
+ data => [$source =~ m{\A($incname)\z}],
+});
+
+say '';
+
+if (not $source or -d $source) {
+ PLP_START {
+ print "<h1>Source files</h1>";
+ };
+
+ if ($source and $source ne 'tools') {
+ Abort("Directory index not permitted", '403 source not allowed');
+ }