index.php

   1 <?php
   2         /*
   3                 This program is free software: you can redistribute it and/or modify
   4                 it under the terms of the GNU General Public License as published by
   5                 the Free Software Foundation, either version 3 of the License, or
   6                 (at your option) any later version.
   7
   8                 This program is distributed in the hope that it will be useful,
   9                 but WITHOUT ANY WARRANTY; without even the implied warranty of
  10                 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11                 GNU General Public License for more details.
  12
  13                 You should have received a copy of the GNU General Public License
  14                 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15         */
  16
  17         // ============== Configuration begin  ==============
  18
  19         $settings = array(
  20
  21                 // Directory to store uploaded files
  22                 uploaddir => '.',
  23
  24                 // Display list uploaded files
  25                 listfiles => true,
  26
  27                 // Allow users to delete files that they have uploaded (will enable sessions)
  28                 allow_deletion => true,
  29
  30                 // Allow users to mark files as hidden
  31                 allow_private => true,
  32
  33                 // Display file sizes
  34                 listfiles_size => true,
  35
  36                 // Display file dates
  37                 listfiles_date => true,
  38
  39                 // Display file dates format
  40                 listfiles_date_format => 'F d Y H:i:s',
  41
  42                 // Randomize file names (number of 'false')
  43                 random_name_len => 8,
  44
  45                 // Keep filetype information (if random name is activated)
  46                 random_name_keep_type => true,
  47
  48                 // Random file name letters
  49                 random_name_alphabet => 'qazwsxedcrfvtgbyhnujmikolp1234567890',
  50
  51                 // Display debugging information
  52                 debug => false,
  53
  54                 // Complete URL to your directory (including tracing slash)
  55                 url => 'http://strace.club/',
  56
  57         );
  58
  59         // ============== Configuration end  ==============
  60
  61         $data = array();
  62
  63         // Name of this file
  64         $data['scriptname'] = pathinfo(__FILE__, PATHINFO_BASENAME);
  65
  66         // Use canonized path
  67         $data['uploaddir'] = realpath($settings['uploaddir']);
  68
  69         // Maximum upload size, set by system
  70         $data['max_upload_size'] = ini_get('upload_max_filesize');
  71
  72         if ($settings['allow_deletion'] || $settings['allow_private']) {
  73                 session_start();
  74
  75                 if (!isset($_SESSION['upload_user_id']))
  76                         $_SESSION['upload_user_id'] = rand(1000, 9999);
  77
  78                 if (!isset($_SESSION['upload_user_files']))
  79                         $_SESSION['upload_user_files'] = array();
  80         }
  81
  82         if ($settings['debug']) {
  83
  84
  85                 // Enabling error reporting
  86                 error_reporting(E_ALL);
  87                 error_reporting(1);
  88
  89                 // Displaying debug information
  90                 echo '<h2>Debugging information: settings</h2>';
  91                 echo '<pre>';
  92                 print_r($settings);
  93                 echo '</pre>';
  94
  95                 // Displaying debug information
  96                 echo '<h2>Debugging information: data</h2>';
  97                 echo '<pre>';
  98                 print_r($data);
  99                 echo '</pre>';
 100                 echo '</pre>';
 101
 102                 // Displaying debug information
 103                 echo '<h2>Debugging information: _SESSION</h2>';
 104                 echo '<pre>';
 105                 print_r($_SESSION);
 106                 echo '</pre>';
 107         }
 108
 109         function FormatSize ($bytes) {
 110                 $units = array('B', 'KB', 'MB', 'GB', 'TB');
 111
 112                 $bytes = max($bytes, 0);
 113                 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
 114                 $pow = min($pow, count($units) - 1);
 115
 116                 $bytes /= pow(1024, $pow);
 117
 118                 return ceil($bytes) . ' ' . $units[$pow];
 119         }
 120
 121         function DiverseArray ($vector) {
 122                 $result = array();
 123                 foreach($vector as $key1 => $value1)
 124                         foreach($value1 as $key2 => $value2)
 125                                 $result[$key2][$key1] = $value2;
 126                 return $result;
 127         }
 128
 129         function UploadFile ($file_data) {
 130                 global $settings;
 131                 global $data;
 132                 global $_SESSION;
 133
 134                 $data['uploaded_file_name'] = basename($file_data['name']);
 135                 $data['target_file_name'] = $file_data['uploaded_file_name'];
 136                 if ($settings['random_name_len'] !== false) {
 137                         do {
 138                                 $data['target_file_name'] = '';
 139                                 while (strlen($data['target_file_name']) < $settings['random_name_len'])
 140                                         $data['target_file_name'] .= $settings['random_name_alphabet'][rand(0, strlen($settings['random_name_alphabet']) - 1)];
 141                                 if ($settings['random_name_keep_type'])
 142                                         $data['target_file_name'] .= '.' . pathinfo($data['uploaded_file_name'], PATHINFO_EXTENSION);
 143                         } while (file_exists($data['target_file_name']));
 144                 }
 145                 $data['upload_target_file'] = $data['uploaddir'] . DIRECTORY_SEPARATOR . $data['target_file_name'];
 146                 $data['tmp_name'] = $file_data['tmp_name'];
 147
 148                 if (file_exists($data['upload_target_file'])) {
 149                         echo 'File name already exists' . "\n";
 150                         return;
 151                 }
 152
 153                 if (move_uploaded_file($data['tmp_name'], $data['upload_target_file'])) {
 154                         if ($settings['allow_deletion'] || $settings['allow_private'])
 155                                 $_SESSION['upload_user_files'][] = $data['target_file_name'];
 156                         echo $settings['url'] .  $data['target_file_name'] . "\n";
 157                 } else {
 158                         echo 'Error: unable to upload the file.';
 159                 }
 160         }
 161
 162
 163
 164         if (isset($_FILES['file'])) {
 165                 if ($settings['debug']) {
 166                         // Displaying debug information
 167                         echo '<h2>Debugging information: data</h2>';
 168                         echo '<pre>';
 169                         print_r($data);
 170                         echo '</pre>';
 171                         // Displaying debug information
 172                         echo '<h2>Debugging information: file</h2>';
 173                         echo '<pre>';
 174                         print_r($_FILES);
 175                         echo '</pre>';
 176                 }
 177
 178                 if (is_array($_FILES['file'])) {
 179                         $file_array = DiverseArray($_FILES['file']);
 180                         foreach ($file_array as $file_data)
 181                                 UploadFile($file_data);
 182                 } else
 183                         UploadFile($_FILES['file']);
 184                 exit;
 185         }
 186
 187         if (isset($_POST)) {
 188                 if ($settings['allow_deletion'])
 189                         if ($_POST['action'] === 'delete')
 190                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 191                                         if (file_exists($_POST['target'])) {
 192                                                 unlink($_POST['target']);
 193                                                 echo 'File has been removed';
 194                                                 exit;
 195                                         }
 196
 197                 if ($settings['allow_private'])
 198                         if ($_POST['action'] === 'privatetoggle')
 199                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 200                                         if (file_exists($_POST['target'])) {
 201                                                 if ($_POST['target'][0] === '.') {
 202                                                         rename($_POST['target'], substr($_POST['target'], 1));
 203                                                         echo 'File has been made visible';
 204                                                 } else {
 205                                                         rename($_POST['target'], '.' . $_POST['target']);
 206                                                         echo 'File has been hidden';
 207                                                 }
 208                                                 exit;
 209                                         }
 210         }
 211
 212         function ListFiles ($dir, $exclude) {
 213                 $file_array = array();
 214                 $dh = opendir($dir);
 215                         while (false !== ($filename = readdir($dh)))
 216                                 if (is_file($filename) && !in_array($filename, $exclude))
 217                                         $file_array[filemtime($filename)] = $filename;
 218                 ksort($file_array);
 219                 $file_array = array_reverse($file_array, true);
 220                 return $file_array;
 221         }
 222
 223 ?>
 224 <html lang="en-GB">
 225         <head>
 226                 <meta charset="utf-8">
 227                 <title>strace.club</title>
 228                 <style media="screen">
 229                         body {
 230                                 background: #111;
 231                                 margin: 0;
 232                                 color: #ddd;
 233                                 font-family: sans-serif;
 234                         }
 235
 236                         body > h1 {
 237                                 display: block;
 238                                 background: rgba(255, 255, 255, 0.05);
 239                                 padding: 8px 16px;
 240                                 text-align: center;
 241                                 margin: 0;
 242                         }
 243
 244                         body > form {
 245                                 display: block;
 246                                 background: rgba(255, 255, 255, 0.075);
 247                                 padding: 16px 16px;
 248                                 margin: 0;
 249                                 text-align: center;
 250                         }
 251
 252                         body > p {
 253                                 display: block;
 254                                 background: rgba(255, 255, 255, 0.075);
 255                                 padding: 4px 16px;
 256                                 text-align: center;
 257                                 max-width: 1000px;
 258                                 margin: 16px auto 0 auto;
 259                         }
 260
 261                         body > ul {
 262                                 display: block;
 263                                 padding: 0;
 264                                 max-width: 1000px;
 265                                 margin: 0 auto;
 266                         }
 267
 268                         body > ul > li {
 269                                 display: block;
 270                                 margin: 0;
 271                                 padding: 0;
 272                         }
 273
 274                         body > ul > li > a {
 275                                 display: block;
 276                                 margin: 0 0 1px 0;
 277                                 list-style: none;
 278                                 background: rgba(255, 255, 255, 0.1);
 279                                 padding: 8px 16px;
 280                                 text-decoration: none;
 281                                 color: inherit;
 282                                 opacity: 0.5;
 283                         }
 284
 285                         body > ul > li > a:hover {
 286                                 opacity: 1;
 287                         }
 288
 289                         body > ul > li > a:active {
 290                                 opacity: 0.5;
 291                         }
 292
 293                         body > ul > li > a > span {
 294                                 float: right;
 295                                 font-size: 90%;
 296                         }
 297
 298                          body > ul > li > form {
 299                                 display: inline-block;
 300                                 padding: 0;
 301                                 margin: 0;
 302                         }
 303
 304                         body > ul > li.owned {
 305                                 margin: 8px;
 306                         }
 307
 308                         body > ul > li > form > button {
 309                                 opacity: 0.5;
 310                                 display: inline-block;
 311                                 padding: 4px 16px;
 312                                 margin: 0;
 313                                 border: 0;
 314                                 background: rgba(255, 255, 255, 0.1);
 315                                 color: inherit;
 316                         }
 317
 318                         body > ul > li > form > button:hover {
 319                                 opacity: 1;
 320                         }
 321
 322                         body > ul > li > form > button:active {
 323                                 opacity: 0.5;
 324                         }
 325                 </style>
 326         </head>
 327         <body>
 328                 <h1>strace.club</h1>
 329                 <form action="<?= $data['scriptname'] ?>" method="POST" enctype="multipart/form-data" class="dropzone" id="simpleupload-form">
 330                         Maximum upload size: <?php echo $data['max_upload_size']; ?><br />
 331                         <input type="file" name="file[]" multiple required id="simpleupload-input"/>
 332                 </form>
 333                 <?php if ($settings['listfiles']) { ?>
 334                         <p>Uploaded files:</p>
 335                         <ul>
 336                                 <?php
 337                                         $file_array = ListFiles($settings['uploaddir'], array('.', '..', $data['scriptname']));
 338                                         foreach ($file_array as $mtime => $filename) {
 339                                                 $file_info = array();
 340                                                 $file_owner = false;
 341                                                 $file_private = $filename[0] === '.';
 342
 343                                                 if ($settings['listfiles_size'])
 344                                                         $file_info[] = FormatSize(filesize($filename));
 345
 346                                                 if ($settings['listfiles_size'])
 347                                                         $file_info[] = date($settings['listfiles_date_format'], $mtime);
 348
 349                                                 if ($settings['allow_deletion'] || $settings['allow_private'])
 350                                                         if (in_array(substr($filename, 1), $_SESSION['upload_user_files']) || in_array($filename, $_SESSION['upload_user_files']))
 351                                                                 $file_owner = true;
 352
 353                                                 $file_info = implode(', ', $file_info);
 354
 355                                                 if (strlen($file_info) > 0)
 356                                                         $file_info = ' (' . $file_info . ')';
 357
 358                                                 $class = '';
 359                                                 if ($file_owner)
 360                                                         $class = 'owned';
 361
 362                                                 if (!$file_private || $file_owner) {
 363                                                         echo "<li class=\"' . $class . '\">";
 364
 365                                                         echo "<a href=\"$filename\" target=\"_blank\">$filename<span>$file_info</span></a>";
 366
 367                                                         if ($file_owner) {
 368                                                                 if ($settings['allow_deletion'])
 369                                                                         echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="delete" /><button type="submit">delete</button></form>';
 370
 371                                                                 if ($settings['allow_private'])
 372                                                                         if ($file_private)
 373                                                                                 echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="privatetoggle" /><button type="submit">make public</button></form>';
 374                                                                         else
 375                                                                                 echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="privatetoggle" /><button type="submit">make private</button></form>';
 376                                                         }
 377
 378                                                         echo "</li>";
 379                                                 }
 380                                         }
 381                                 ?>
 382                         </ul>
 383                 <?php } ?>
 384                 <a href="https://github.com/muchweb/simple-php-upload"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/38ef81f8aca64bb9a64448d0d70f1308ef5341ab/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f6461726b626c75655f3132313632312e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png"></a>
 385                 <script charset="utf-8">
 386                         document.getElementById('simpleupload-input').onchange = function() {
 387                                 document.getElementById('simpleupload-form').submit();
 388                         };
 389                 </script>
 390         </body>
 391 </html>