paste.pl

   1 #!/usr/bin/perl
   2
   3 use Mojolicious::Lite -signatures;
   4 use Mojo::File qw(curfile);
   5
   6 plugin NotYAMLConfig => { file => 'config.yml',
   7         default => {
   8                 appname => 'Paste Bin',
   9         } };
  10
  11 my $datadir = curfile->sibling('data');
  12 if (app->config->{datadir}) {
  13         $datadir = Mojo::File->new(app->config->{datadir});
  14 }
  15
  16 chdir curfile->dirname;
  17
  18 get '/' => sub ($c) {
  19         $c->render(template => 'forbidden', status => 403)
  20                 if !length app->config->{password};
  21 } => 'index';
  22
  23 post '/' => sub ($c) {
  24         # print STDERR "pass=" . $c->param('password') . "\n";
  25         return $c->render(template => 'forbidden', status => 403)
  26                 if !defined app->config->{password}
  27                         || !length $c->param('password')
  28                         || $c->param('password') ne app->config->{password};
  29
  30         my $file_content = $c->param('text');
  31         my $filename = $c->param('filename');
  32         my $upload = $c->param('file');
  33
  34         if (defined $upload && $upload->size) {
  35                 # print STDERR "FILENAME = " . $upload->filename . "\n";
  36                 $filename = $upload->filename;
  37                 $file_content = $upload->slurp;
  38         }
  39
  40         if ($filename !~ /\A\w[\w-\.]*\.\w+\z/) {
  41                 # print STDERR "FILENAME2 = " . $upload->filename . "\n";
  42                 return $c->render(template => 'forbidden', status => 403);
  43         }
  44
  45         $datadir->child($filename)->spurt($file_content);
  46         $c->redirect_to($c->req->url->base . "$filename");
  47 };
  48
  49 get '/<filename>.<ext>'
  50         => [ filename => qr/\w[\w-\.]*/, ext => qr/\w+/ ]
  51         => sub ($c) {
  52         my $fullname = $c->param('filename').'.'.$c->param('ext');
  53         my $file = $datadir->child($fullname);
  54         my $stat = $file->stat;
  55
  56         return $c->reply->not_found
  57                 if !defined $stat;
  58
  59         $c->stash(mtime => POSIX::strftime('%Y-%m-%d %H:%M:%S',
  60                 localtime($stat->mtime)));
  61         my $content = $file->slurp;
  62         $content = Encode::decode('utf-8', $content);
  63         $c->stash(file_content => $content);
  64         my $lang = $c->param('ext');
  65
  66         $c->stash(language => "language-$lang");
  67         $c->render;
  68 } => 'default';
  69
  70 app->mode(app->config->{mode});
  71 app->start;
  72
  73 __DATA__
  74 @@ index.html.ep
  75 % layout 'default';
  76 <h1><%= config->{appname} %></h1>
  77 <form method="POST" enctype="multipart/form-data">
  78 <label for="text">Enter some text or source code here:</label>
  79 <textarea name="text" id="input_text">
  80 </textarea>
  81 <label for="file">Or select a file to upload:</label>
  82 <input type="file" name="file"/>
  83 <label for="filename">Name the file:</label>
  84 <input type="text" name="filename"/>
  85 <label for="password">Password:</label>
  86 <input type="password" name="password" />
  87 <input type="submit" value="Submit"/>
  88 </form>
  89
  90
  91 @@ default.html.ep
  92 % layout 'default';
  93
  94 %= content_for header => begin
  95     <base href="<%= config->{base} %>/">
  96     <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.3.1/styles/qtcreator-dark.min.css">
  97     <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.3.1/highlight.min.js"></script>
  98     <script>hljs.highlightAll();</script>
  99 % end
 100
 101 <h1><tt><%= $filename%>.<%= $ext %></tt>
 102    <span class="unimportant">— <%= config->{appname} %></span><br/>
 103 <small class="unimportant">Created: <%= $mtime %></small></h1>
 104 <pre><code class="<%= $language %>"><%= $file_content %></code></pre>
 105
 106
 107 @@ forbidden.html.ep
 108 % layout 'default';
 109
 110 <h1>Forbidden</h1>
 111
 112 @@ not_found.html.ep
 113 % layout 'default';
 114
 115 <h1>Not found!</h1>
 116
 117 @@ layouts/default.html.ep
 118 <html>
 119   <head>
 120     <meta charset="utf-8" />
 121     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
 122     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />
 123     <meta name="viewport" content="width=device-width" />
 124
 125 <!--    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,300italic,700,700italic">-->
 126     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/8.0.1/normalize.css">
 127     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/milligram/1.4.1/milligram.css">
 128     <link rel="icon" href="favicon.svg" />
 129     <%= content 'header' %>
 130     <style>
 131       body {
 132         background: #1c1f24;
 133         color: #f2f2f2;
 134       }
 135       .wrapper {
 136         max-width: 90rem;
 137         margin: 0 auto;
 138         margin-top: 1.5rem;
 139       }
 140       #input_text {
 141         height: 40%;
 142       }
 143       .button, input[type="submit"] {
 144         background-color: #0030c0;
 145         border-color: #202080;
 146       }
 147       input {
 148         color: #f2f2f2;
 149       }
 150       input[type="text"], input[type="password"] {
 151         background-color: black;
 152       }
 153       textarea {
 154         color: #f2f2f2;
 155         background-color: black;
 156         font-family: monospace;
 157       }
 158       h1 small {
 159         font-size: 2.0rem;
 160       }
 161       .unimportant {
 162         color: #999;
 163       }
 164       pre {
 165         border: 0.1rem solid #d1d1d1;
 166         border-radius: .4rem;
 167       }
 168       pre code {
 169         padding: 0;
 170         margin-left: 0;
 171         margin-right: 0;
 172       }
 173       div.footer {
 174         color: #999;
 175         text-align: right;
 176       }
 177       a {
 178         color: #90c0ff;
 179       }
 180     </style>
 181     <title><%= config->{appname} %></title>
 182   </head>
 183   <body><div class="wrapper">
 184     <%= content %>
 185     <div class="footer">
 186       <a href="https://www.fi.muni.cz/~kas/">Yenya</a>'s Paste Bin,
 187       <a href="https://www.fi.muni.cz/~kas/git/paste.git/">www.fi.muni.cz/~kas/git/paste.git/</a>
 188     </div>
 189   </div></body>
 190 </html>
 191
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