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         $settings = array(
  19
  20                 // Website title
  21                 'title' => 'strace.club',
  22
  23                 // Directory to store uploaded files
  24                 'uploaddir' => '.',
  25
  26                 // Display list uploaded files
  27                 'listfiles' => true,
  28
  29                 // Allow users to delete files that they have uploaded (will enable sessions)
  30                 'allow_deletion' => true,
  31
  32                 // Allow users to mark files as hidden
  33                 'allow_private' => true,
  34
  35                 // Display file sizes
  36                 'listfiles_size' => true,
  37
  38                 // Display file dates
  39                 'listfiles_date' => true,
  40
  41                 // Display file dates format
  42                 'listfiles_date_format' => 'F d Y H:i:s',
  43
  44                 // Randomize file names (number of 'false')
  45                 'random_name_len' => 8,
  46
  47                 // Keep filetype information (if random name is activated)
  48                 'random_name_keep_type' => true,
  49
  50                 // Random file name letters
  51                 'random_name_alphabet' => 'qazwsxedcrfvtgbyhnujmikolp1234567890',
  52
  53                 // Display debugging information
  54                 'debug' => false,
  55
  56                 // Complete URL to your directory (including tracing slash)
  57                 'url' => 'http://strace.club/',
  58
  59                 // Amount of seconds that each file should be stored for (0 for no limit)
  60                 // Default 30 days
  61                 'time_limit' => 60 * 60 * 24 * 30,
  62
  63                 // Files that will be ignored
  64                 'ignores' => array('.', '..', 'LICENSE', 'README.md'),
  65
  66                 // Language code
  67                 'lang' => 'en_GB',
  68
  69                 // Language direction
  70                 'lang_dir' => 'ltr',
  71         );
  72         // =============={ Configuration End }==============
  73
  74         // Enabling error reporting
  75         if ($settings['debug']) {
  76                 error_reporting(E_ALL);
  77                 ini_set('display_startup_errors',1);
  78                 ini_set('display_errors',1);
  79         }
  80
  81         $data = array();
  82
  83         // Name of this file
  84         $data['scriptname'] = pathinfo(__FILE__, PATHINFO_BASENAME);
  85
  86         // Adding current script name to ignore list
  87         $data['ignores'] = $settings['ignores'];
  88         $data['ignores'][] = $data['scriptname'];
  89
  90         // Use canonized path
  91         $data['uploaddir'] = realpath($settings['uploaddir']);
  92
  93         // Maximum upload size, set by system
  94         $data['max_upload_size'] = ini_get('upload_max_filesize');
  95
  96         // If file deletion or private files are allowed, starting a session.
  97         // This is required for user authentification
  98         if ($settings['allow_deletion'] || $settings['allow_private']) {
  99                 session_start();
 100
 101                 // 'User ID'
 102                 if (!isset($_SESSION['upload_user_id']))
 103                         $_SESSION['upload_user_id'] = rand(100000, 999999);
 104
 105                 // List of filenames that were uploaded by this user
 106                 if (!isset($_SESSION['upload_user_files']))
 107                         $_SESSION['upload_user_files'] = array();
 108         }
 109
 110         // If debug is enabled, logging all variables
 111         if ($settings['debug']) {
 112                 // Displaying debug information
 113                 echo '<h2>Settings:</h2>';
 114                 echo '<pre>';
 115                 print_r($settings);
 116                 echo '</pre>';
 117
 118                 // Displaying debug information
 119                 echo '<h2>Data:</h2>';
 120                 echo '<pre>';
 121                 print_r($data);
 122                 echo '</pre>';
 123                 echo '</pre>';
 124
 125                 // Displaying debug information
 126                 echo '<h2>SESSION:</h2>';
 127                 echo '<pre>';
 128                 print_r($_SESSION);
 129                 echo '</pre>';
 130         }
 131
 132         // Format file size
 133         function FormatSize ($bytes) {
 134                 $units = array('B', 'KB', 'MB', 'GB', 'TB');
 135
 136                 $bytes = max($bytes, 0);
 137                 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
 138                 $pow = min($pow, count($units) - 1);
 139
 140                 $bytes /= pow(1024, $pow);
 141
 142                 return ceil($bytes) . ' ' . $units[$pow];
 143         }
 144
 145         // Rotating a two-dimensional array
 146         function DiverseArray ($vector) {
 147                 $result = array();
 148                 foreach ($vector as $key1 => $value1)
 149                         foreach ($value1 as $key2 => $value2)
 150                                 $result[$key2][$key1] = $value2;
 151                 return $result;
 152         }
 153
 154         // Handling file upload
 155         function UploadFile ($file_data) {
 156                 global $settings;
 157                 global $data;
 158                 global $_SESSION;
 159
 160                 $file_data['uploaded_file_name'] = basename($file_data['name']);
 161                 $file_data['target_file_name'] = $file_data['uploaded_file_name'];
 162
 163                 // Generating random file name
 164                 if ($settings['random_name_len'] !== false) {
 165                         do {
 166                                 $file_data['target_file_name'] = '';
 167                                 while (strlen($file_data['target_file_name']) < $settings['random_name_len'])
 168                                         $file_data['target_file_name'] .= $settings['random_name_alphabet'][rand(0, strlen($settings['random_name_alphabet']) - 1)];
 169                                 if ($settings['random_name_keep_type'])
 170                                         $file_data['target_file_name'] .= '.' . pathinfo($file_data['uploaded_file_name'], PATHINFO_EXTENSION);
 171                         } while (file_exists($file_data['target_file_name']));
 172                 }
 173                 $file_data['upload_target_file'] = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file_data['target_file_name'];
 174
 175                 // Do now allow to overwriting files
 176                 if (file_exists($file_data['upload_target_file'])) {
 177                         echo 'File name already exists' . "\n";
 178                         return;
 179                 }
 180
 181                 // Moving uploaded file OK
 182                 if (move_uploaded_file($file_data['tmp_name'], $file_data['upload_target_file'])) {
 183                         if ($settings['allow_deletion'] || $settings['allow_private'])
 184                                 $_SESSION['upload_user_files'][] = $file_data['target_file_name'];
 185                         echo $settings['url'] .  $file_data['target_file_name'] . "\n";
 186                 } else {
 187                         echo 'Error: unable to upload the file.';
 188                 }
 189         }
 190
 191
 192         // Files are being POSEed. Uploading them one by one.
 193         if (isset($_FILES['file'])) {
 194                 header('Content-type: text/plain');
 195                 if (is_array($_FILES['file'])) {
 196                         $file_array = DiverseArray($_FILES['file']);
 197                         foreach ($file_array as $file_data)
 198                                 UploadFile($file_data);
 199                 } else
 200                         UploadFile($_FILES['file']);
 201                 exit;
 202         }
 203
 204         // Other file functions (delete, private).
 205         if (isset($_POST)) {
 206                 if ($settings['allow_deletion'])
 207                         if (isset($_POST['action']) && $_POST['action'] === 'delete')
 208                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 209                                         if (file_exists($_POST['target'])) {
 210                                                 unlink($_POST['target']);
 211                                                 echo 'File has been removed';
 212                                                 exit;
 213                                         }
 214
 215                 if ($settings['allow_private'])
 216                         if (isset($_POST['action']) && $_POST['action'] === 'privatetoggle')
 217                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 218                                         if (file_exists($_POST['target'])) {
 219                                                 if ($_POST['target'][0] === '.') {
 220                                                         rename($_POST['target'], substr($_POST['target'], 1));
 221                                                         echo 'File has been made visible';
 222                                                 } else {
 223                                                         rename($_POST['target'], '.' . $_POST['target']);
 224                                                         echo 'File has been hidden';
 225                                                 }
 226                                                 exit;
 227                                         }
 228         }
 229
 230         // List files in a given directory, excluding certain files
 231         function ListFiles ($dir, $exclude) {
 232                 $file_array = array();
 233                 $dh = opendir($dir);
 234                         while (false !== ($filename = readdir($dh)))
 235                                 if (is_file($filename) && !in_array($filename, $exclude))
 236                                         $file_array[filemtime($filename)] = $filename;
 237                 ksort($file_array);
 238                 $file_array = array_reverse($file_array, true);
 239                 return $file_array;
 240         }
 241
 242         $file_array = ListFiles($settings['uploaddir'], $data['ignores']);
 243
 244         // Removing old files
 245         foreach ($file_array as $file)
 246                 if ($settings['time_limit'] < time() - filemtime($file))
 247                         unlink($file);
 248
 249         $file_array = ListFiles($settings['uploaddir'], $data['ignores']);
 250
 251 ?>
 252 <!DOCTYPE html>
 253 <html lang="<?=$settings['lang']?>" dir="<?=$settings['lang_dir']?>">
 254         <head>
 255                 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 256                 <meta http-equiv="Content-Script-Type" content="text/javascript">
 257                 <meta name="robots" content="noindex">
 258                 <meta name="referrer" content="origin-when-crossorigin">
 259                 <title><?=$settings['title']?></title>
 260                 <style media="screen">
 261                 <!--
 262                         body {
 263                                 background: #111;
 264                                 margin: 0;
 265                                 color: #ddd;
 266                                 font-family: sans-serif;
 267                         }
 268
 269                         body > h1 {
 270                                 display: block;
 271                                 background: rgba(255, 255, 255, 0.05);
 272                                 padding: 8px 16px;
 273                                 text-align: center;
 274                                 margin: 0;
 275                         }
 276
 277                         body > form {
 278                                 display: block;
 279                                 background: rgba(255, 255, 255, 0.075);
 280                                 padding: 16px 16px;
 281                                 margin: 0;
 282                                 text-align: center;
 283                         }
 284
 285                         body > ul {
 286                                 display: block;
 287                                 padding: 0;
 288                                 max-width: 1000px;
 289                                 margin: 32px auto;
 290                         }
 291
 292                         body > ul > li {
 293                                 display: block;
 294                                 margin: 0;
 295                                 padding: 0;
 296                         }
 297
 298                         body > ul > li > a {
 299                                 display: block;
 300                                 margin: 0 0 1px 0;
 301                                 list-style: none;
 302                                 background: rgba(255, 255, 255, 0.1);
 303                                 padding: 8px 16px;
 304                                 text-decoration: none;
 305                                 color: inherit;
 306                                 opacity: 0.5;
 307                         }
 308
 309                         body > ul > li > a:hover {
 310                                 opacity: 1;
 311                         }
 312
 313                         body > ul > li > a:active {
 314                                 opacity: 0.5;
 315                         }
 316
 317                         body > ul > li > a > span {
 318                                 float: right;
 319                                 font-size: 90%;
 320                         }
 321
 322                         body > ul > li > form {
 323                                 display: inline-block;
 324                                 padding: 0;
 325                                 margin: 0;
 326                         }
 327
 328                         body > ul > li.owned {
 329                                 margin: 8px;
 330                         }
 331
 332                         body > ul > li > form > button {
 333                                 opacity: 0.5;
 334                                 display: inline-block;
 335                                 padding: 4px 16px;
 336                                 margin: 0;
 337                                 border: 0;
 338                                 background: rgba(255, 255, 255, 0.1);
 339                                 color: inherit;
 340                         }
 341
 342                         body > ul > li > form > button:hover {
 343                                 opacity: 1;
 344                         }
 345
 346                         body > ul > li > form > button:active {
 347                                 opacity: 0.5;
 348                         }
 349
 350                         body > ul > li.uploading {
 351                                 animation: upanim 2s linear 0s infinite alternate;
 352                         }
 353
 354                         @keyframes upanim {
 355                                 from {
 356                                         opacity: 0.3;
 357                                 }
 358                                 to {
 359                                         opacity: 0.8;
 360                                 }
 361                         }
 362                 //-->
 363                 </style>
 364         </head>
 365         <body>
 366                 <h1><?=$settings['title']?></h1>
 367                 <form action="<?= $data['scriptname'] ?>" method="POST" enctype="multipart/form-data" class="dropzone" id="simpleupload-form">
 368                         Maximum upload size: <?php echo $data['max_upload_size']; ?><br />
 369                         <input type="file" name="file[]" multiple required id="simpleupload-input"/>
 370                 </form>
 371                 <?php if ($settings['listfiles']) { ?>
 372                         <ul id="simpleupload-ul">
 373                                 <?php
 374                                         foreach ($file_array as $mtime => $filename) {
 375                                                 $file_info = array();
 376                                                 $file_owner = false;
 377                                                 $file_private = $filename[0] === '.';
 378
 379                                                 if ($settings['listfiles_size'])
 380                                                         $file_info[] = FormatSize(filesize($filename));
 381
 382                                                 if ($settings['listfiles_size'])
 383                                                         $file_info[] = date($settings['listfiles_date_format'], $mtime);
 384
 385                                                 if ($settings['allow_deletion'] || $settings['allow_private'])
 386                                                         if (in_array(substr($filename, 1), $_SESSION['upload_user_files']) || in_array($filename, $_SESSION['upload_user_files']))
 387                                                                 $file_owner = true;
 388
 389                                                 $file_info = implode(', ', $file_info);
 390
 391                                                 if (strlen($file_info) > 0)
 392                                                         $file_info = ' (' . $file_info . ')';
 393
 394                                                 $class = '';
 395                                                 if ($file_owner)
 396                                                         $class = 'owned';
 397
 398                                                 if (!$file_private || $file_owner) {
 399                                                         echo "<li class=\"' . $class . '\">";
 400
 401                                                         echo "<a href=\"$filename\" target=\"_blank\">$filename<span>$file_info</span></a>";
 402
 403                                                         if ($file_owner) {
 404                                                                 if ($settings['allow_deletion'])
 405                                                                         echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="delete" /><button type="submit">delete</button></form>';
 406
 407                                                                 if ($settings['allow_private'])
 408                                                                         if ($file_private)
 409                                                                                 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>';
 410                                                                         else
 411                                                                                 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>';
 412                                                         }
 413
 414                                                         echo "</li>";
 415                                                 }
 416                                         }
 417                                 ?>
 418                         </ul>
 419                 <?php } ?>
 420                 <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>
 421                 <script charset="utf-8">
 422                         var target_form = document.getElementById('simpleupload-form'),
 423                                 target_ul = document.getElementById('simpleupload-ul'),
 424                                 target_input = document.getElementById('simpleupload-input');
 425
 426                         target_form.addEventListener('dragover', function (event) {
 427                                 event.preventDefault();
 428                         }, false);
 429
 430                         function AddFileLi (name, info) {
 431                                 target_form.style.display = 'none';
 432
 433                                 var new_li = document.createElement('li');
 434                                 new_li.className = 'uploading';
 435
 436                                 var new_a = document.createElement('a');
 437                                 new_a.innerHTML = name;
 438                                 new_li.appendChild(new_a);
 439
 440                                 var new_span = document.createElement('span');
 441                                 new_span.innerHTML = info;
 442                                 new_a.appendChild(new_span);
 443
 444                                 target_ul.insertBefore(new_li, target_ul.firstChild);
 445                         }
 446
 447                         function HandleFiles (event) {
 448                                 event.preventDefault();
 449
 450                                 var i = 0,
 451                                         files = event.dataTransfer.files,
 452                                         len = files.length;
 453
 454                                 var form = new FormData();
 455
 456                                 for (; i < len; i++) {
 457                                         form.append('file[]', files[i]);
 458                                         AddFileLi(files[i].name, files[i].size + ' bytes');
 459                                 }
 460
 461                                 var xhr = new XMLHttpRequest();
 462                                 xhr.onload = function() {
 463                                         window.location.reload();
 464                                 };
 465
 466                                 xhr.open('post', '<?php echo $data['scriptname']; ?>', true);
 467                                 xhr.send(form);
 468                         }
 469
 470                         target_form.addEventListener('drop', HandleFiles, false);
 471
 472                         document.getElementById('simpleupload-input').onchange = function () {
 473                                 AddFileLi('Uploading...', '');
 474                                 target_form.submit();
 475                         };
 476                 </script>
 477         </body>
 478 </html>