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',
  68
  69                 // Language direction
  70                 'lang_dir' => 'ltr',
  71
  72                 // Remove old files?
  73                 'remove_old_files' => true,
  74         );
  75         // =============={ Configuration End }==============
  76
  77         // Is the local config file there?
  78         if (file_exists('config-local.php')) {
  79                 // Load it then
  80                 include('config-local.php');
  81         }
  82
  83         // Enabling error reporting
  84         if ($settings['debug']) {
  85                 error_reporting(E_ALL);
  86                 ini_set('display_startup_errors',1);
  87                 ini_set('display_errors',1);
  88         }
  89
  90         $data = array();
  91
  92         // Name of this file
  93         $data['scriptname'] = pathinfo(__FILE__, PATHINFO_BASENAME);
  94
  95         // Adding current script name to ignore list
  96         $data['ignores'] = $settings['ignores'];
  97         $data['ignores'][] = $data['scriptname'];
  98
  99         // Use canonized path
 100         $data['uploaddir'] = realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR . $settings['uploaddir']);
 101
 102         // Maximum upload size, set by system
 103         $data['max_upload_size'] = ini_get('upload_max_filesize');
 104
 105         // If file deletion or private files are allowed, starting a session.
 106         // This is required for user authentification
 107         if ($settings['allow_deletion'] || $settings['allow_private']) {
 108                 session_start();
 109
 110                 // 'User ID'
 111                 if (!isset($_SESSION['upload_user_id']))
 112                         $_SESSION['upload_user_id'] = mt_rand(100000, 999999);
 113
 114                 // List of filenames that were uploaded by this user
 115                 if (!isset($_SESSION['upload_user_files']))
 116                         $_SESSION['upload_user_files'] = array();
 117         }
 118
 119         // If debug is enabled, logging all variables
 120         if ($settings['debug']) {
 121                 // Displaying debug information
 122                 echo '<h2>Settings:</h2>';
 123                 echo '<pre>';
 124                 print_r($settings);
 125                 echo '</pre>';
 126
 127                 // Displaying debug information
 128                 echo '<h2>Data:</h2>';
 129                 echo '<pre>';
 130                 print_r($data);
 131                 echo '</pre>';
 132                 echo '</pre>';
 133
 134                 // Displaying debug information
 135                 echo '<h2>SESSION:</h2>';
 136                 echo '<pre>';
 137                 print_r($_SESSION);
 138                 echo '</pre>';
 139         }
 140
 141         // Format file size
 142         function formatSize ($bytes) {
 143                 $units = array('B', 'KB', 'MB', 'GB', 'TB');
 144
 145                 $bytes = max($bytes, 0);
 146                 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
 147                 $pow = min($pow, count($units) - 1);
 148
 149                 $bytes /= pow(1024, $pow);
 150
 151                 return ceil($bytes) . ' ' . $units[$pow];
 152         }
 153
 154         // Rotating a two-dimensional array
 155         function diverseArray ($vector) {
 156                 $result = array();
 157                 foreach ($vector as $key1 => $value1)
 158                         foreach ($value1 as $key2 => $value2)
 159                                 $result[$key2][$key1] = $value2;
 160                 return $result;
 161         }
 162
 163         // Handling file upload
 164         function uploadFile ($file_data) {
 165                 global $settings, $data;
 166
 167                 $file_data['uploaded_file_name'] = basename($file_data['name']);
 168                 $file_data['target_file_name'] = $file_data['uploaded_file_name'];
 169
 170                 // Generating random file name
 171                 if ($settings['random_name_len'] !== false) {
 172                         do {
 173                                 $file_data['target_file_name'] = '';
 174                                 while (strlen($file_data['target_file_name']) < $settings['random_name_len'])
 175                                         $file_data['target_file_name'] .= $settings['random_name_alphabet'][mt_rand(0, strlen($settings['random_name_alphabet']) - 1)];
 176                                 if ($settings['random_name_keep_type'])
 177                                         $file_data['target_file_name'] .= '.' . pathinfo($file_data['uploaded_file_name'], PATHINFO_EXTENSION);
 178                         } while (file_exists($file_data['target_file_name']));
 179                 }
 180                 $file_data['upload_target_file'] = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file_data['target_file_name'];
 181
 182                 // Do now allow to overwriting files
 183                 if (file_exists($file_data['upload_target_file'])) {
 184                         echo 'File name already exists' . "\n";
 185                         return;
 186                 }
 187
 188                 // Moving uploaded file OK
 189                 if (move_uploaded_file($file_data['tmp_name'], $file_data['upload_target_file'])) {
 190                         if ($settings['allow_deletion'] || $settings['allow_private'])
 191                                 $_SESSION['upload_user_files'][] = $file_data['target_file_name'];
 192                         echo $settings['url'] .  $file_data['target_file_name'] . "\n";
 193                 } else {
 194                         echo 'Error: unable to upload the file.';
 195                 }
 196         }
 197
 198         // Delete file
 199         function deleteFile ($file) {
 200                 global $data;
 201
 202                 if (in_array(substr($file, 1), $_SESSION['upload_user_files']) || in_array($file, $_SESSION['upload_user_files'])) {
 203                         $fqfn = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file;
 204                         if (!in_array($file, $data['ignores']) && file_exists($fqfn)) {
 205                                 unlink($fqfn);
 206                                 echo 'File has been removed';
 207                                 exit;
 208                         }
 209                 }
 210         }
 211
 212         // Mark/unmark file as hidden
 213         function markUnmarkHidden ($file) {
 214                 global $data;
 215
 216                 if (in_array(substr($file, 1), $_SESSION['upload_user_files']) || in_array($file, $_SESSION['upload_user_files'])) {
 217                         $fqfn = $data['uploaddir'] . DIRECTORY_SEPARATOR . $file;
 218                         if (!in_array($file, $data['ignores']) && file_exists($fqfn)) {
 219                                 if (substr($file, 0, 1) === '.') {
 220                                         rename($fqfn, substr($fqfn, 1));
 221                                         echo 'File has been made visible';
 222                                 } else {
 223                                         rename($fqfn, $data['uploaddir'] . DIRECTORY_SEPARATOR . '.' . $file);
 224                                         echo 'File has been hidden';
 225                                 }
 226                                 exit;
 227                         }
 228                 }
 229         }
 230
 231         // Files are being POSEed. Uploading them one by one.
 232         if (isset($_FILES['file'])) {
 233                 header('Content-type: text/plain');
 234                 if (is_array($_FILES['file'])) {
 235                         $file_array = diverseArray($_FILES['file']);
 236                         foreach ($file_array as $file_data)
 237                                 uploadFile($file_data);
 238                 } else
 239                         uploadFile($_FILES['file']);
 240                 exit;
 241         }
 242
 243         // Other file functions (delete, private).
 244         if (isset($_POST)) {
 245                 if ($settings['allow_deletion'] && (isset($_POST['target'])) && isset($_POST['action']) && $_POST['action'] === 'delete')
 246                         deleteFile($_POST['target']);
 247
 248                 if ($settings['allow_private'] && (isset($_POST['target'])) && isset($_POST['action']) && $_POST['action'] === 'privatetoggle')
 249                         markUnmarkHidden($_POST['target']);
 250         }
 251
 252         // List files in a given directory, excluding certain files
 253         function createArrayFromPath ($dir) {
 254                 global $data;
 255
 256                 $file_array = array();
 257                 $dh = opendir($dir);
 258                         while ($filename = readdir($dh)) {
 259                                 $fqfn = $dir . DIRECTORY_SEPARATOR . $filename;
 260                                 if (is_file($fqfn) && !in_array($filename, $data['ignores']))
 261                                         $file_array[filemtime($fqfn)] = $filename;
 262                         }
 263
 264                 ksort($file_array);
 265                 $file_array = array_reverse($file_array, true);
 266                 return $file_array;
 267         }
 268
 269         // Removes old files
 270         function removeOldFiles ($dir) {
 271                 global $file_array, $settings;
 272
 273                 foreach ($file_array as $file) {
 274                         $fqfn = $dir . DIRECTORY_SEPARATOR . $file;
 275                         if ($settings['time_limit'] < time() - filemtime($fqfn))
 276                                 unlink($fqfn);
 277                 }
 278         }
 279
 280         // Only read files if the feature is enabled
 281         if ($settings['listfiles']) {
 282                 $file_array = createArrayFromPath($data['uploaddir']);
 283
 284                 // Removing old files
 285                 if ($settings['remove_old_files'])
 286                         removeOldFiles($data['uploaddir']);
 287
 288                 $file_array = createArrayFromPath($data['uploaddir']);
 289         }
 290 ?>
 291 <!DOCTYPE html>
 292 <html lang="<?=$settings['lang']?>" dir="<?=$settings['lang_dir']?>">
 293         <head>
 294                 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 295                 <meta http-equiv="Content-Script-Type" content="text/javascript">
 296                 <meta name="robots" content="noindex">
 297                 <meta name="referrer" content="origin-when-crossorigin">
 298                 <title><?=$settings['title']?></title>
 299                 <style media="screen">
 300                 <!--
 301                         body {
 302                                 background: #111;
 303                                 margin: 0;
 304                                 color: #ddd;
 305                                 font-family: sans-serif;
 306                         }
 307
 308                         body > h1 {
 309                                 display: block;
 310                                 background: rgba(255, 255, 255, 0.05);
 311                                 padding: 8px 16px;
 312                                 text-align: center;
 313                                 margin: 0;
 314                         }
 315
 316                         body > form {
 317                                 display: block;
 318                                 background: rgba(255, 255, 255, 0.075);
 319                                 padding: 16px 16px;
 320                                 margin: 0;
 321                                 text-align: center;
 322                         }
 323
 324                         body > ul {
 325                                 display: block;
 326                                 padding: 0;
 327                                 max-width: 1000px;
 328                                 margin: 32px auto;
 329                         }
 330
 331                         body > ul > li {
 332                                 display: block;
 333                                 margin: 0;
 334                                 padding: 0;
 335                         }
 336
 337                         body > ul > li > a {
 338                                 display: block;
 339                                 margin: 0 0 1px 0;
 340                                 list-style: none;
 341                                 background: rgba(255, 255, 255, 0.1);
 342                                 padding: 8px 16px;
 343                                 text-decoration: none;
 344                                 color: inherit;
 345                                 opacity: 0.5;
 346                         }
 347
 348                         body > ul > li > a:hover {
 349                                 opacity: 1;
 350                         }
 351
 352                         body > ul > li > a:active {
 353                                 opacity: 0.5;
 354                         }
 355
 356                         body > ul > li > a > span {
 357                                 float: right;
 358                                 font-size: 90%;
 359                         }
 360
 361                         body > ul > li > form {
 362                                 display: inline-block;
 363                                 padding: 0;
 364                                 margin: 0;
 365                         }
 366
 367                         body > ul > li.owned {
 368                                 margin: 8px;
 369                         }
 370
 371                         body > ul > li > form > button {
 372                                 opacity: 0.5;
 373                                 display: inline-block;
 374                                 padding: 4px 16px;
 375                                 margin: 0;
 376                                 border: 0;
 377                                 background: rgba(255, 255, 255, 0.1);
 378                                 color: inherit;
 379                         }
 380
 381                         body > ul > li > form > button:hover {
 382                                 opacity: 1;
 383                         }
 384
 385                         body > ul > li > form > button:active {
 386                                 opacity: 0.5;
 387                         }
 388
 389                         body > ul > li.uploading {
 390                                 animation: upanim 2s linear 0s infinite alternate;
 391                         }
 392
 393                         @keyframes upanim {
 394                                 from {
 395                                         opacity: 0.3;
 396                                 }
 397                                 to {
 398                                         opacity: 0.8;
 399                                 }
 400                         }
 401                 //-->
 402                 </style>
 403         </head>
 404         <body>
 405                 <h1><?=$settings['title']?></h1>
 406                 <form action="<?= $data['scriptname'] ?>" method="POST" enctype="multipart/form-data" class="dropzone" id="simpleupload-form">
 407                         Maximum upload size: <?php echo $data['max_upload_size']; ?><br />
 408                         <input type="file" name="file[]" multiple required id="simpleupload-input"/>
 409                 </form>
 410                 <?php if ($settings['listfiles']) { ?>
 411                         <ul id="simpleupload-ul">
 412                                 <?php
 413                                         foreach ($file_array as $mtime => $filename) {
 414                                                 $fqfn = $data['uploaddir'] . DIRECTORY_SEPARATOR . $filename;
 415                                                 $file_info = array();
 416                                                 $file_owner = false;
 417                                                 $file_private = $filename[0] === '.';
 418
 419                                                 if ($settings['listfiles_size'])
 420                                                         $file_info[] = formatSize(filesize($fqfn));
 421
 422                                                 if ($settings['listfiles_size'])
 423                                                         $file_info[] = date($settings['listfiles_date_format'], $mtime);
 424
 425                                                 if ($settings['allow_deletion'] || $settings['allow_private'])
 426                                                         if (in_array(substr($filename, 1), $_SESSION['upload_user_files']) || in_array($filename, $_SESSION['upload_user_files']))
 427                                                                 $file_owner = true;
 428
 429                                                 $file_info = implode(', ', $file_info);
 430
 431                                                 if (strlen($file_info) > 0)
 432                                                         $file_info = ' (' . $file_info . ')';
 433
 434                                                 $class = '';
 435                                                 if ($file_owner)
 436                                                         $class = 'owned';
 437
 438                                                 if (!$file_private || $file_owner) {
 439                                                         echo "<li class=\"' . $class . '\">";
 440
 441                                                         $url = str_replace('/./', '/', sprintf('%s%s/%s', $settings['url'], $settings['uploaddir'], $filename));
 442
 443                                                         echo "<a href=\"$url\" target=\"_blank\">$filename<span>$file_info</span></a>";
 444
 445                                                         if ($file_owner) {
 446                                                                 if ($settings['allow_deletion'])
 447                                                                         echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="delete" /><button type="submit">delete</button></form>';
 448
 449                                                                 if ($settings['allow_private'])
 450                                                                         if ($file_private)
 451                                                                                 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>';
 452                                                                         else
 453                                                                                 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>';
 454                                                         }
 455
 456                                                         echo "</li>";
 457                                                 }
 458                                         }
 459                                 ?>
 460                         </ul>
 461                 <?php } ?>
 462                 <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>
 463                 <script type="text/javascript">
 464                 <!--
 465                         var target_form = document.getElementById('simpleupload-form'),
 466                                 target_ul = document.getElementById('simpleupload-ul'),
 467                                 target_input = document.getElementById('simpleupload-input');
 468
 469                         target_form.addEventListener('dragover', function (event) {
 470                                 event.preventDefault();
 471                         }, false);
 472
 473                         function AddFileLi (name, info) {
 474                                 target_form.style.display = 'none';
 475
 476                                 var new_li = document.createElement('li');
 477                                 new_li.className = 'uploading';
 478
 479                                 var new_a = document.createElement('a');
 480                                 new_a.innerHTML = name;
 481                                 new_li.appendChild(new_a);
 482
 483                                 var new_span = document.createElement('span');
 484                                 new_span.innerHTML = info;
 485                                 new_a.appendChild(new_span);
 486
 487                                 target_ul.insertBefore(new_li, target_ul.firstChild);
 488                         }
 489
 490                         function HandleFiles (event) {
 491                                 event.preventDefault();
 492
 493                                 var i = 0,
 494                                         files = event.dataTransfer.files,
 495                                         len = files.length;
 496
 497                                 var form = new FormData();
 498
 499                                 for (; i < len; i++) {
 500                                         form.append('file[]', files[i]);
 501                                         AddFileLi(files[i].name, files[i].size + ' bytes');
 502                                 }
 503
 504                                 var xhr = new XMLHttpRequest();
 505                                 xhr.onload = function() {
 506                                         window.location.reload();
 507                                 };
 508
 509                                 xhr.open('post', '<?php echo $data['scriptname']; ?>', true);
 510                                 xhr.send(form);
 511                         }
 512
 513                         target_form.addEventListener('drop', HandleFiles, false);
 514
 515                         document.getElementById('simpleupload-input').onchange = function () {
 516                                 AddFileLi('Uploading...', '');
 517                                 target_form.submit();
 518                         };
 519                 //-->
 520                 </script>
 521         </body>
 522 </html>