package Plack::App::Directory;
use parent qw(Plack::App::File);
use strict;
use warnings;
use Plack::Util;
use HTTP::Date;
use Plack::MIME;
use DirHandle;
use URI::Escape;
use Plack::Request;
# Stolen from rack/directory.rb
my $dir_file = "<tr><td class='name'><a href='%s'>%s</a></td><td class='size'>%s</td><td class='type'>%s</td><td class='mtime'>%s</td></tr>";
my $dir_page = <<PAGE;
<html><head>
<title>%s</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<style type='text/css'>
table { width:100%%; }
.name { text-align:left; }
.size, .mtime { text-align:right; }
.type { width:11em; }
.mtime { width:15em; }
</style>
</head><body>
<h1>%s</h1>
<hr />
<table>
<tr>
<th class='name'>Name</th>
<th class='size'>Size</th>
<th class='type'>Type</th>
<th class='mtime'>Last Modified</th>
</tr>
%s
</table>
<hr />
</body></html>
PAGE
sub should_handle {
my($self, $file) = @_;
return -d $file || -f $file;
}
sub return_dir_redirect {
my ($self, $env) = @_;
my $uri = Plack::Request->new($env)->uri;
return [ 301,
[
'Location' => $uri . '/',
'Content-Type' => 'text/plain',
'Content-Length' => 8,
],
[ 'Redirect' ],
];
}
sub serve_path {
my($self, $env, $dir, $fullpath) = @_;
if (-f $dir) {
return $self->SUPER::serve_path($env, $dir, $fullpath);
}
my $dir_url = $env->{SCRIPT_NAME} . $env->{PATH_INFO};
if ($dir_url !~ m{/$}) {
return $self->return_dir_redirect($env);
}
my @files = ([ "../", "Parent Directory", '', '', '' ]);
my $dh = DirHandle->new($dir);
my @children;
while (defined(my $ent = $dh->read)) {
next if $ent eq '.' or $ent eq '..';
push @children, $ent;
}
for my $basename (sort { $a cmp $b } @children) {
my $file = "$dir/$basename";
my $url = $dir_url . $basename;
my $is_dir = -d $file;
my @stat = stat _;
$url = join '/', map {uri_escape($_)} split m{/}, $url;
if ($is_dir) {
$basename .= "/";
$url .= "/";
}
my $mime_type = $is_dir ? 'directory' : ( Plack::MIME->mime_type($file) || 'text/plain' );
push @files, [ $url, $basename, $stat[7], $mime_type, HTTP::Date::time2str($stat[9]) ];
}
my $path = Plack::Util::encode_html("Index of $env->{PATH_INFO}");
my $files = join "\n", map {
my $f = $_;
sprintf $dir_file, map Plack::Util::encode_html($_), @$f;
} @files;
my $page = sprintf $dir_page, $path, $path, $files;
return [ 200, ['Content-Type' => 'text/html; charset=utf-8'], [ $page ] ];
}
1;
__END__
=head1 NAME
Plack::App::Directory - Serve static files from document root with directory index
=head1 SYNOPSIS
# app.psgi
use Plack::App::Directory;
my $app = Plack::App::Directory->new({ root => "/path/to/htdocs" })->to_app;
=head1 DESCRIPTION
This is a static file server PSGI application with directory index a la Apache's mod_autoindex.
=head1 CONFIGURATION
=over 4
=item root
Document root directory. Defaults to the current directory.
=back
=head1 AUTHOR
Tatsuhiko Miyagawa
=head1 SEE ALSO
L<Plack::App::File>
=cut