index.php

   1 <?php
   2         ini_set('display_startup_errors',1);
   3         ini_set('display_errors',1);
   4         error_reporting(-1);
   5
   6         /*
   7                 This program is free software: you can redistribute it and/or modify
   8                 it under the terms of the GNU General Public License as published by
   9                 the Free Software Foundation, either version 3 of the License, or
  10                 (at your option) any later version.
  11
  12                 This program is distributed in the hope that it will be useful,
  13                 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14                 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15                 GNU General Public License for more details.
  16
  17                 You should have received a copy of the GNU General Public License
  18                 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19         */
  20
  21         // =============={ Configuration Begin }==============
  22         $settings = array(
  23
  24                 // Website title
  25                 'title' => 'strace.club',
  26
  27                 // Directory to store uploaded files
  28                 'uploaddir' => '.',
  29
  30                 // Display list uploaded files
  31                 'listfiles' => true,
  32
  33                 // Allow users to delete files that they have uploaded (will enable sessions)
  34                 'allow_deletion' => true,
  35
  36                 // Allow users to mark files as hidden
  37                 'allow_private' => true,
  38
  39                 // Display file sizes
  40                 'listfiles_size' => true,
  41
  42                 // Display file dates
  43                 'listfiles_date' => true,
  44
  45                 // Display file dates format
  46                 'listfiles_date_format' => 'F d Y H:i:s',
  47
  48                 // Randomize file names (number of 'false')
  49                 'random_name_len' => 8,
  50
  51                 // Keep filetype information (if random name is activated)
  52                 'random_name_keep_type' => true,
  53
  54                 // Random file name letters
  55                 'random_name_alphabet' => 'qazwsxedcrfvtgbyhnujmikolp1234567890',
  56
  57                 // Display debugging information
  58                 'debug' => true,
  59
  60                 // Complete URL to your directory (including tracing slash)
  61                 'url' => 'http://strace.club/',
  62
  63                 // Amount of seconds that each file should be stored for (0 for no limit)
  64                 'time_limit' => 0,
  65
  66                 // Files that will be ignored
  67                 'ignores' => array('.', '..', 'LICENSE', 'README.md'),
  68         );
  69         // =============={ Configuration End }==============
  70
  71         $data = array();
  72
  73         // Name of this file
  74         $data['scriptname'] = pathinfo(__FILE__, PATHINFO_BASENAME);
  75
  76         // Adding current script name to ignore list
  77         $data['ignores'] = $settings['ignores'];
  78         $data['ignores'][] = $data['scriptname'];
  79
  80         // Use canonized path
  81         $data['uploaddir'] = realpath($settings['uploaddir']);
  82
  83         // Maximum upload size, set by system
  84         $data['max_upload_size'] = ini_get('upload_max_filesize');
  85
  86         // If file deletion or private files are allowed, starting a session.
  87         // This is required for user authentification
  88         if ($settings['allow_deletion'] || $settings['allow_private']) {
  89                 session_start();
  90
  91                 // 'User ID'
  92                 if (!isset($_SESSION['upload_user_id']))
  93                         $_SESSION['upload_user_id'] = rand(100000, 999999);
  94
  95                 // List of filenames that were uploaded by this user
  96                 if (!isset($_SESSION['upload_user_files']))
  97                         $_SESSION['upload_user_files'] = array();
  98         }
  99
 100         // If debug is enabled, logging all variables
 101         if ($settings['debug']) {
 102
 103                 // Enabling error reporting
 104                 error_reporting(E_ALL);
 105                 error_reporting(1);
 106
 107                 // Displaying debug information
 108                 echo '<h2>Settings:</h2>';
 109                 echo '<pre>';
 110                 print_r($settings);
 111                 echo '</pre>';
 112
 113                 // Displaying debug information
 114                 echo '<h2>Data:</h2>';
 115                 echo '<pre>';
 116                 print_r($data);
 117                 echo '</pre>';
 118                 echo '</pre>';
 119
 120                 // Displaying debug information
 121                 echo '<h2>SESSION:</h2>';
 122                 echo '<pre>';
 123                 print_r($_SESSION);
 124                 echo '</pre>';
 125         }
 126
 127         // Format file size
 128         function FormatSize ($bytes) {
 129                 $units = array('B', 'KB', 'MB', 'GB', 'TB');
 130
 131                 $bytes = max($bytes, 0);
 132                 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
 133                 $pow = min($pow, count($units) - 1);
 134
 135                 $bytes /= pow(1024, $pow);
 136
 137                 return ceil($bytes) . ' ' . $units[$pow];
 138         }
 139
 140         // Rotating a two-dimensional array
 141         function DiverseArray ($vector) {
 142                 $result = array();
 143                 foreach ($vector as $key1 => $value1)
 144                         foreach ($value1 as $key2 => $value2)
 145                                 $result[$key2][$key1] = $value2;
 146                 return $result;
 147         }
 148
 149         // Handling file upload
 150         function UploadFile ($file_data) {
 151                 global $settings;
 152                 global $data;
 153                 global $_SESSION;
 154
 155                 $data['uploaded_file_name'] = basename($file_data['name']);
 156                 $data['target_file_name'] = $file_data['uploaded_file_name'];
 157
 158                 // Generating random file name
 159                 if ($settings['random_name_len'] !== false) {
 160                         do {
 161                                 $data['target_file_name'] = '';
 162                                 while (strlen($data['target_file_name']) < $settings['random_name_len'])
 163                                         $data['target_file_name'] .= $settings['random_name_alphabet'][rand(0, strlen($settings['random_name_alphabet']) - 1)];
 164                                 if ($settings['random_name_keep_type'])
 165                                         $data['target_file_name'] .= '.' . pathinfo($data['uploaded_file_name'], PATHINFO_EXTENSION);
 166                         } while (file_exists($data['target_file_name']));
 167                 }
 168                 $data['upload_target_file'] = $data['uploaddir'] . DIRECTORY_SEPARATOR . $data['target_file_name'];
 169
 170                 // Do now allow to overwriting files
 171                 if (file_exists($data['upload_target_file'])) {
 172                         echo 'File name already exists' . "\n";
 173                         return;
 174                 }
 175
 176                 // Moving uploaded file OK
 177                 if (move_uploaded_file($file_data['tmp_name'], $data['upload_target_file'])) {
 178                         if ($settings['allow_deletion'] || $settings['allow_private'])
 179                                 $_SESSION['upload_user_files'][] = $data['target_file_name'];
 180                         echo $settings['url'] .  $data['target_file_name'] . "\n";
 181                 } else {
 182                         echo 'Error: unable to upload the file.';
 183                 }
 184         }
 185
 186
 187         // Files are being POSEed. Uploading them one by one.
 188         if (isset($_FILES['file'])) {
 189                 header('Content-type: text/plain');
 190                 if (is_array($_FILES['file'])) {
 191                         $file_array = DiverseArray($_FILES['file']);
 192                         foreach ($file_array as $file_data)
 193                                 UploadFile($file_data);
 194                 } else
 195                         UploadFile($_FILES['file']);
 196                 exit;
 197         }
 198
 199         // Other file functions (delete, private).
 200         if (isset($_POST)) {
 201                 if ($settings['allow_deletion'])
 202                         if ($_POST['action'] === 'delete')
 203                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 204                                         if (file_exists($_POST['target'])) {
 205                                                 unlink($_POST['target']);
 206                                                 echo 'File has been removed';
 207                                                 exit;
 208                                         }
 209
 210                 if ($settings['allow_private'])
 211                         if ($_POST['action'] === 'privatetoggle')
 212                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 213                                         if (file_exists($_POST['target'])) {
 214                                                 if ($_POST['target'][0] === '.') {
 215                                                         rename($_POST['target'], substr($_POST['target'], 1));
 216                                                         echo 'File has been made visible';
 217                                                 } else {
 218                                                         rename($_POST['target'], '.' . $_POST['target']);
 219                                                         echo 'File has been hidden';
 220                                                 }
 221                                                 exit;
 222                                         }
 223         }
 224
 225         // List files in a given directory, excluding certain files
 226         function ListFiles ($dir, $exclude) {
 227                 $file_array = array();
 228                 $dh = opendir($dir);
 229                         while (false !== ($filename = readdir($dh)))
 230                                 if (is_file($filename) && !in_array($filename, $exclude))
 231                                         $file_array[filemtime($filename)] = $filename;
 232                 ksort($file_array);
 233                 $file_array = array_reverse($file_array, true);
 234                 return $file_array;
 235         }
 236
 237         $file_array = ListFiles($settings['uploaddir'], $data['ignores']);
 238
 239         foreach ($file_array as $value) {
 240                 echo($value.'<br>');
 241         }
 242
 243 ?>
 244 <html lang="en-GB">
 245         <head>
 246                 <meta charset="utf-8">
 247                 <title><?=$settings['title']?></title>
 248                 <style media="screen">
 249                         body {
 250                                 background: #111;
 251                                 margin: 0;
 252                                 color: #ddd;
 253                                 font-family: sans-serif;
 254                         }
 255
 256                         body > h1 {
 257                                 display: block;
 258                                 background: rgba(255, 255, 255, 0.05);
 259                                 padding: 8px 16px;
 260                                 text-align: center;
 261                                 margin: 0;
 262                         }
 263
 264                         body > form {
 265                                 display: block;
 266                                 background: rgba(255, 255, 255, 0.075);
 267                                 padding: 16px 16px;
 268                                 margin: 0;
 269                                 text-align: center;
 270                         }
 271
 272                         body > ul {
 273                                 display: block;
 274                                 padding: 0;
 275                                 max-width: 1000px;
 276                                 margin: 32px auto;
 277                         }
 278
 279                         body > ul > li {
 280                                 display: block;
 281                                 margin: 0;
 282                                 padding: 0;
 283                         }
 284
 285                         body > ul > li > a {
 286                                 display: block;
 287                                 margin: 0 0 1px 0;
 288                                 list-style: none;
 289                                 background: rgba(255, 255, 255, 0.1);
 290                                 padding: 8px 16px;
 291                                 text-decoration: none;
 292                                 color: inherit;
 293                                 opacity: 0.5;
 294                         }
 295
 296                         body > ul > li > a:hover {
 297                                 opacity: 1;
 298                         }
 299
 300                         body > ul > li > a:active {
 301                                 opacity: 0.5;
 302                         }
 303
 304                         body > ul > li > a > span {
 305                                 float: right;
 306                                 font-size: 90%;
 307                         }
 308
 309                         body > ul > li > form {
 310                                 display: inline-block;
 311                                 padding: 0;
 312                                 margin: 0;
 313                         }
 314
 315                         body > ul > li.owned {
 316                                 margin: 8px;
 317                         }
 318
 319                         body > ul > li > form > button {
 320                                 opacity: 0.5;
 321                                 display: inline-block;
 322                                 padding: 4px 16px;
 323                                 margin: 0;
 324                                 border: 0;
 325                                 background: rgba(255, 255, 255, 0.1);
 326                                 color: inherit;
 327                         }
 328
 329                         body > ul > li > form > button:hover {
 330                                 opacity: 1;
 331                         }
 332
 333                         body > ul > li > form > button:active {
 334                                 opacity: 0.5;
 335                         }
 336
 337                         body > ul > li.uploading {
 338                                 animation: upanim 2s linear 0s infinite alternate;
 339                         }
 340
 341                         @keyframes upanim {
 342                                 from {
 343                                         opacity: 0.3;
 344                                 }
 345                                 to {
 346                                         opacity: 0.8;
 347                                 }
 348                         }
 349                 </style>
 350         </head>
 351         <body>
 352                 <h1><?=$settings['title']?></h1>
 353                 <form action="<?= $data['scriptname'] ?>" method="POST" enctype="multipart/form-data" class="dropzone" id="simpleupload-form">
 354                         Maximum upload size: <?php echo $data['max_upload_size']; ?><br />
 355                         <input type="file" name="file[]" multiple required id="simpleupload-input"/>
 356                 </form>
 357                 <?php if ($settings['listfiles']) { ?>
 358                         <ul id="simpleupload-ul">
 359                                 <?php
 360                                         foreach ($file_array as $mtime => $filename) {
 361                                                 $file_info = array();
 362                                                 $file_owner = false;
 363                                                 $file_private = $filename[0] === '.';
 364
 365                                                 if ($settings['listfiles_size'])
 366                                                         $file_info[] = FormatSize(filesize($filename));
 367
 368                                                 if ($settings['listfiles_size'])
 369                                                         $file_info[] = date($settings['listfiles_date_format'], $mtime);
 370
 371                                                 if ($settings['allow_deletion'] || $settings['allow_private'])
 372                                                         if (in_array(substr($filename, 1), $_SESSION['upload_user_files']) || in_array($filename, $_SESSION['upload_user_files']))
 373                                                                 $file_owner = true;
 374
 375                                                 $file_info = implode(', ', $file_info);
 376
 377                                                 if (strlen($file_info) > 0)
 378                                                         $file_info = ' (' . $file_info . ')';
 379
 380                                                 $class = '';
 381                                                 if ($file_owner)
 382                                                         $class = 'owned';
 383
 384                                                 if (!$file_private || $file_owner) {
 385                                                         echo "<li class=\"' . $class . '\">";
 386
 387                                                         echo "<a href=\"$filename\" target=\"_blank\">$filename<span>$file_info</span></a>";
 388
 389                                                         if ($file_owner) {
 390                                                                 if ($settings['allow_deletion'])
 391                                                                         echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="delete" /><button type="submit">delete</button></form>';
 392
 393                                                                 if ($settings['allow_private'])
 394                                                                         if ($file_private)
 395                                                                                 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>';
 396                                                                         else
 397                                                                                 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>';
 398                                                         }
 399
 400                                                         echo "</li>";
 401                                                 }
 402                                         }
 403                                 ?>
 404                         </ul>
 405                 <?php } ?>
 406                 <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>
 407                 <script charset="utf-8">
 408                         var target_form = document.getElementById('simpleupload-form'),
 409                                 target_ul = document.getElementById('simpleupload-ul'),
 410                                 target_input = document.getElementById('simpleupload-input');
 411
 412                         target_form.addEventListener('dragover', function (event) {
 413                                 event.preventDefault();
 414                         }, false);
 415
 416                         function AddFileLi (name, info) {
 417                                 target_form.style.display = 'none';
 418
 419                                 var new_li = document.createElement('li');
 420                                 new_li.className = 'uploading';
 421
 422                                 var new_a = document.createElement('a');
 423                                 new_a.innerHTML = name;
 424                                 new_li.appendChild(new_a);
 425
 426                                 var new_span = document.createElement('span');
 427                                 new_span.innerHTML = info;
 428                                 new_a.appendChild(new_span);
 429
 430                                 target_ul.insertBefore(new_li, target_ul.firstChild);
 431                         }
 432
 433                         function HandleFiles (event) {
 434                                 event.preventDefault();
 435
 436                                 var i = 0,
 437                                         files = event.dataTransfer.files,
 438                                         len = files.length;
 439
 440                                 var form = new FormData();
 441
 442                                 for (; i < len; i++) {
 443                                         form.append('file[]', files[i]);
 444                                         AddFileLi(files[i].name, files[i].size + ' bytes');
 445                                 }
 446
 447                                 var xhr = new XMLHttpRequest();
 448                                 xhr.onload = function() {
 449                                         window.location.reload();
 450                                 };
 451
 452                                 xhr.open('post', '<?php echo $data['scriptname']; ?>', true);
 453                                 xhr.send(form);
 454                         }
 455
 456                         target_form.addEventListener('drop', HandleFiles, false);
 457
 458                         document.getElementById('simpleupload-input').onchange = function () {
 459                                 AddFileLi('Uploading...', '');
 460                                 target_form.submit();
 461                         };
 462                 </script>
 463         </body>
 464 </html>