#!/usr/bin/perl
# Copyright (c) 2025 Philipp Schafft
# licensed under Artistic License 2.0 (see LICENSE file)
# ABSTRACT: Example demonstrating interaction with the store from a CGI script
use strict;
use warnings;
use File::FStore;
use CGI::Simple;
use Template;
use URI;
my %_domain_keys = (
properties => [qw(size inode contentise mediasubtype media_type)],
digests => [
qw(md-5-128 sha-1-160),
(map {'sha-2-'.$_, 'sha-3-'.$_} 224, 256, 384, 512),
],
);
my $store = File::FStore->new(path => $ENV{FSTORE_PATH});
my %cgi;
{
my $cgi = CGI::Simple->new;
foreach my $key ($cgi->param) {
$cgi{$key} = $cgi->param($key);
}
}
# defaults:
$cgi{limit} //= 150;
$cgi{order} //= 'asc';
$cgi{offset} //= 0;
$cgi{mode} //= 'list';
eval {
my @query;
my @files;
my $file;
my %res;
foreach my $key (qw(dbname)) {
my $v = $cgi{$key} or next;
push(@query, $key => $v);
}
foreach my $domain (qw(properties digests)) {
foreach my $key (@{$_domain_keys{$domain}}) {
my $v = $cgi{$domain.'.'.$key} or next;
push(@query, $domain => $key => $v);
}
}
@query = qw(all) unless scalar @query;
@files = $store->query(
@query,
limit => $cgi{limit} + 1,
order => $cgi{order},
offset => $cgi{offset},
);
if (scalar(@files) > $cgi{limit}) {
$#files--;
$res{have_more} = 1;
}
if ($cgi{mode} eq 'download') {
my $fh = $files[0]->open;
my $mediasubtype = eval { $files[0]->get(properties => 'mediasubtype')} // # primary key
eval { $files[0]->get(properties => 'media_type')} // # old versions seems to use this
'application/octet-stream'; # fallback
my $size = ($files[0]->stat)[7];
local $/ = \65536;
print 'Content-type: ', $mediasubtype, "\x0D\x0A";
print 'Content-length: ', $size, "\x0D\x0A";
print "\x0D\x0A";
$fh->binmode; # enter binary mode before transfer.
print $_ while <$fh>;
} else {
my $tt = Template->new;
print "Content-type: text/html\x0D\x0A";
print "\x0D\x0A";
if ($cgi{mode} eq 'single') {
$res{single} = $files[0];
$res{stat_order} = [0..12];
$res{stat_keys} = {
0 => 'Device number',
1 => 'Inode number',
2 => 'File mode',
3 => 'Link counter',
4 => 'User ID',
5 => 'Group ID',
6 => 'Represented device number',
7 => 'File size',
8 => 'Access time',
9 => 'Modify time',
10 => 'Change time',
11 => 'Block size',
12 => 'Number of blocks',
};
}
$tt->process(\*DATA, {
%res,
ENV => \%ENV,
cgi => \%cgi,
files => \@files,
slashbreak => sub { $_[0] =~ s#/#/\n#gr },
sortedkeys => sub { sort keys %{$_[0]} },
updatedlink => sub {
my (%updates) = @_;
my %link = (%cgi, %updates);
my $u = URI->new('?', 'https');
$u->query_form(%link);
return $u;
},
basename => sub { $_[0] =~ s#^.*/##r },
});
}
};
$store->close;
#ll
__DATA__
<!DOCTYPE html>
<html>
<head>
<title>Store: [% ENV.FSTORE_PATH | html %]</title>
<meta charset="utf-8">
<style>
* {
vertical-align: top;
}
th {
white-space: nowrap;
}
body {
background: beige;
margin: 1em;
margin-top: 0;
}
body, a:link, a:visited {
color: black;
text-decoration: none;
}
h1 {
margin-top: 0;
}
ul, menu {
display: flex;
list-style: none;
flex-wrap: wrap;
}
li, body > table {
background: lightblue;
min-width: 380px;
}
li {
margin: 5px;
}
menu > li {
min-width: 120px;
}
li:hover {
background: darkviolet;
}
li:target:not(:hover) {
background: violet;
}
li > a {
display: block;
}
li h3 {
white-space: break-spaces;
margin: 3px;
padding-left: 1em;
text-indent: -1em;
}
th:not([colspan]) {
text-align: left;
}
.float-right {
float: right;
margin-right: 3px;
}
.inline-buttonbox {
display: inline-block;
}
.buttonbox > a, .inline-buttonbox > a, .button {
margin: 2px;
background: #ccff00;
min-width: 1.4em;
min-height: 1.4em;
text-align: center;
display: inline-block;
border-radius: 5px;
font-size: 80%;
}
</style>
</head>
<body id="top">
<h1>Store: [% ENV.FSTORE_PATH | html %]</h1>
[% IF single %]
<div class="float-right buttonbox">
<a href="?dbname=[% single.dbname | uri %]&mode=download" title="view">🗎</a>
<a href="?dbname=[% single.dbname | uri %]&mode=download" title="download" download="[% basename(single.dbname) | html %]">💾</a>
</div>
<h2>File: [% single.dbname | html %]</h2>
[% data = single.get %]
<table>
[% FOREACH domain IN ['properties', 'digests'] %]
<tr id="single-domain-[% domain | html %]">
<th colspan="2">
Domain: [% domain | html %]
<div class="inline-buttonbox">
<a href="#single-domain-[% domain | html %]">⚓</a>
<a href="#top">🔝</a>
</div>
</th>
</tr>
[% FOREACH key IN sortedkeys(data.$domain) %]
<tr>
<th>[% key | html %]</th>
<td>[% data.$domain.$key | html %] <a href="?[% domain | uri %].[% key | uri %]=[% data.$domain.$key | uri %]" class="button">🔍</a></td>
</tr>
[% END %]
[% END %]
<tr id="single-stat">
<th colspan="2">
Stat:
<div class="inline-buttonbox">
<a href="#single-stat">⚓</a>
<a href="#top">🔝</a>
</div>
</th>
</tr>
[% FOREACH key IN stat_order %]
[% IF single.stat.$key %]
<tr>
<th>[% stat_keys.$key | html %]</th>
<td>[% single.stat.$key | html %]</td>
</tr>
[% END %]
[% END %]
</table>
[% ELSE %]
<h2>Entries:</h2>
<menu>
<li><a href="[% updatedlink('order', 'asc') | html %]">order ASC ↑</a></li>
<li><a href="[% updatedlink('order', 'desc') | html %]">order DESC ↓</a></li>
<li><a href="[% updatedlink('limit', 50) | html %]">limit 50</a></li>
<li><a href="[% updatedlink('limit', 150) | html %]">limit 150</a></li>
<li><a href="[% updatedlink('limit', 250) | html %]">limit 250</a></li>
[% IF cgi.offset %]<li><a href="[% updatedlink('offset', 0) | html %]">offset 0 ⏮</a></li>[% END %]
[% n = cgi.offset - cgi.limit %][% IF n > 0 %]<li><a href="[% updatedlink('offset', n) | html %]">offset [% n | html %] ⏪</a></li>[% END %]
[% n = cgi.offset + cgi.limit %][% IF n > 0 and have_more %]<li><a href="[% updatedlink('offset', n) | html %]">offset [% n | html %] ⏩</a></li>[% END %]
<li><a href="?">Reset filter 🗙</a></li>
</menu>
<ul>
[% FOREACH file IN files %]
[% properties = file.get('properties') %]
<li [% IF properties.contentise %]id="contentise-[% properties.contentise | html %]"[% END %]>
<div class="float-right buttonbox">
<a href="?dbname=[% file.dbname | uri %]&mode=download" title="view">🗎</a>
<a href="?dbname=[% file.dbname | uri %]&mode=download" title="download" download="[% basename(file.dbname) | html %]">💾</a>
[% IF properties.contentise %]<a href="#contentise-[% properties.contentise | html %]">⚓</a>[% END %]
<a href="#top">🔝</a>
</div>
<a href="?dbname=[% file.dbname | uri %]&mode=single">
<h3>[% slashbreak(file.dbname) | html%]</h3>
<table>
[% FOREACH key IN ['size', 'inode', 'contenise', 'mediasubtype'] %]
[% IF properties.$key %]
<tr>
<th>[% key | html %]</th>
<td>[% properties.$key | html %] <a href="?properties.[% key | uri %]=[% properties.$key | uri %]" class="button">🔍</a></td>
</tr>
[% END %]
[% END %]
</table>
</a>
</li>
[% END %]
</ul>
[% END %]
</body>
</html>