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                 // Directory to store uploaded files
  21                 uploaddir => '.',
  22
  23                 // Display list uploaded files
  24                 listfiles => true,
  25
  26                 // Allow users to delete files that they have uploaded (will enable sessions)
  27                 allow_deletion => true,
  28
  29                 // Allow users to mark files as hidden
  30                 allow_private => true,
  31
  32                 // Display file sizes
  33                 listfiles_size => true,
  34
  35                 // Display file dates
  36                 listfiles_date => true,
  37
  38                 // Display file dates format
  39                 listfiles_date_format => 'F d Y H:i:s',
  40
  41                 // Randomize file names (number of 'false')
  42                 random_name_len => 8,
  43
  44                 // Keep filetype information (if random name is activated)
  45                 random_name_keep_type => true,
  46
  47                 // Random file name letters
  48                 random_name_alphabet => 'qazwsxedcrfvtgbyhnujmikolp1234567890',
  49
  50                 // Display debugging information
  51                 debug => false,
  52
  53                 // Complete URL to your directory (including tracing slash)
  54                 url => 'http://strace.club/'
  55
  56         );
  57         // =============={ Configuration End }==============
  58
  59
  60
  61
  62
  63         $data = array();
  64
  65         // Name of this file
  66         $data['scriptname'] = pathinfo(__FILE__, PATHINFO_BASENAME);
  67
  68         // Use canonized path
  69         $data['uploaddir'] = realpath($settings['uploaddir']);
  70
  71         // Maximum upload size, set by system
  72         $data['max_upload_size'] = ini_get('upload_max_filesize');
  73
  74         if ($settings['allow_deletion'] || $settings['allow_private']) {
  75                 session_start();
  76
  77                 if (!isset($_SESSION['upload_user_id']))
  78                         $_SESSION['upload_user_id'] = rand(1000, 9999);
  79
  80                 if (!isset($_SESSION['upload_user_files']))
  81                         $_SESSION['upload_user_files'] = array();
  82         }
  83
  84         if ($settings['debug']) {
  85
  86
  87                 // Enabling error reporting
  88                 error_reporting(E_ALL);
  89                 error_reporting(1);
  90
  91                 // Displaying debug information
  92                 echo '<h2>Debugging information: settings</h2>';
  93                 echo '<pre>';
  94                 print_r($settings);
  95                 echo '</pre>';
  96
  97                 // Displaying debug information
  98                 echo '<h2>Debugging information: data</h2>';
  99                 echo '<pre>';
 100                 print_r($data);
 101                 echo '</pre>';
 102                 echo '</pre>';
 103
 104                 // Displaying debug information
 105                 echo '<h2>Debugging information: _SESSION</h2>';
 106                 echo '<pre>';
 107                 print_r($_SESSION);
 108                 echo '</pre>';
 109         }
 110
 111         function FormatSize ($bytes) {
 112                 $units = array('B', 'KB', 'MB', 'GB', 'TB');
 113
 114                 $bytes = max($bytes, 0);
 115                 $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
 116                 $pow = min($pow, count($units) - 1);
 117
 118                 $bytes /= pow(1024, $pow);
 119
 120                 return ceil($bytes) . ' ' . $units[$pow];
 121         }
 122
 123         function DiverseArray ($vector) {
 124                 $result = array();
 125                 foreach($vector as $key1 => $value1)
 126                         foreach($value1 as $key2 => $value2)
 127                                 $result[$key2][$key1] = $value2;
 128                 return $result;
 129         }
 130
 131         function UploadFile ($file_data) {
 132                 global $settings;
 133                 global $data;
 134                 global $_SESSION;
 135
 136                 $data['uploaded_file_name'] = basename($file_data['name']);
 137                 $data['target_file_name'] = $file_data['uploaded_file_name'];
 138                 if ($settings['random_name_len'] !== false) {
 139                         do {
 140                                 $data['target_file_name'] = '';
 141                                 while (strlen($data['target_file_name']) < $settings['random_name_len'])
 142                                         $data['target_file_name'] .= $settings['random_name_alphabet'][rand(0, strlen($settings['random_name_alphabet']) - 1)];
 143                                 if ($settings['random_name_keep_type'])
 144                                         $data['target_file_name'] .= '.' . pathinfo($data['uploaded_file_name'], PATHINFO_EXTENSION);
 145                         } while (file_exists($data['target_file_name']));
 146                 }
 147                 $data['upload_target_file'] = $data['uploaddir'] . DIRECTORY_SEPARATOR . $data['target_file_name'];
 148                 $data['tmp_name'] = $file_data['tmp_name'];
 149
 150                 if (file_exists($data['upload_target_file'])) {
 151                         echo 'File name already exists' . "\n";
 152                         return;
 153                 }
 154
 155                 if (move_uploaded_file($data['tmp_name'], $data['upload_target_file'])) {
 156                         if ($settings['allow_deletion'] || $settings['allow_private'])
 157                                 $_SESSION['upload_user_files'][] = $data['target_file_name'];
 158                         echo $settings['url'] .  $data['target_file_name'] . "\n";
 159                 } else {
 160                         echo 'Error: unable to upload the file.';
 161                 }
 162         }
 163
 164
 165
 166         if (isset($_FILES['file'])) {
 167                 if ($settings['debug']) {
 168                         // Displaying debug information
 169                         echo '<h2>Debugging information: data</h2>';
 170                         echo '<pre>';
 171                         print_r($data);
 172                         echo '</pre>';
 173                         // Displaying debug information
 174                         echo '<h2>Debugging information: file</h2>';
 175                         echo '<pre>';
 176                         print_r($_FILES);
 177                         echo '</pre>';
 178                 }
 179
 180                 if (is_array($_FILES['file'])) {
 181                         $file_array = DiverseArray($_FILES['file']);
 182                         foreach ($file_array as $file_data)
 183                                 UploadFile($file_data);
 184                 } else
 185                         UploadFile($_FILES['file']);
 186                 exit;
 187         }
 188
 189         if (isset($_POST)) {
 190                 if ($settings['allow_deletion'])
 191                         if ($_POST['action'] === 'delete')
 192                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 193                                         if (file_exists($_POST['target'])) {
 194                                                 unlink($_POST['target']);
 195                                                 echo 'File has been removed';
 196                                                 exit;
 197                                         }
 198
 199                 if ($settings['allow_private'])
 200                         if ($_POST['action'] === 'privatetoggle')
 201                                 if (in_array(substr($_POST['target'], 1), $_SESSION['upload_user_files']) || in_array($_POST['target'], $_SESSION['upload_user_files']))
 202                                         if (file_exists($_POST['target'])) {
 203                                                 if ($_POST['target'][0] === '.') {
 204                                                         rename($_POST['target'], substr($_POST['target'], 1));
 205                                                         echo 'File has been made visible';
 206                                                 } else {
 207                                                         rename($_POST['target'], '.' . $_POST['target']);
 208                                                         echo 'File has been hidden';
 209                                                 }
 210                                                 exit;
 211                                         }
 212         }
 213
 214         function ListFiles ($dir, $exclude) {
 215                 $file_array = array();
 216                 $dh = opendir($dir);
 217                         while (false !== ($filename = readdir($dh)))
 218                                 if (is_file($filename) && !in_array($filename, $exclude))
 219                                         $file_array[filemtime($filename)] = $filename;
 220                 ksort($file_array);
 221                 $file_array = array_reverse($file_array, true);
 222                 return $file_array;
 223         }
 224
 225 ?>
 226 <html lang="en-GB">
 227         <head>
 228                 <meta charset="utf-8">
 229                 <title>strace.club</title>
 230                 <style media="screen">
 231                         body {
 232                                 background: #111;
 233                                 margin: 0;
 234                                 color: #ddd;
 235                                 font-family: sans-serif;
 236                         }
 237
 238                         body > h1 {
 239                                 display: block;
 240                                 background: rgba(255, 255, 255, 0.05);
 241                                 padding: 8px 16px;
 242                                 text-align: center;
 243                                 margin: 0;
 244                         }
 245
 246                         body > form {
 247                                 display: block;
 248                                 background: rgba(255, 255, 255, 0.075);
 249                                 padding: 16px 16px;
 250                                 margin: 0;
 251                                 text-align: center;
 252                         }
 253
 254                         body > ul {
 255                                 display: block;
 256                                 padding: 0;
 257                                 max-width: 1000px;
 258                                 margin: 32px auto;
 259                         }
 260
 261                         body > ul > li {
 262                                 display: block;
 263                                 margin: 0;
 264                                 padding: 0;
 265                         }
 266
 267                         body > ul > li > a {
 268                                 display: block;
 269                                 margin: 0 0 1px 0;
 270                                 list-style: none;
 271                                 background: rgba(255, 255, 255, 0.1);
 272                                 padding: 8px 16px;
 273                                 text-decoration: none;
 274                                 color: inherit;
 275                                 opacity: 0.5;
 276                         }
 277
 278                         body > ul > li > a:hover {
 279                                 opacity: 1;
 280                         }
 281
 282                         body > ul > li > a:active {
 283                                 opacity: 0.5;
 284                         }
 285
 286                         body > ul > li > a > span {
 287                                 float: right;
 288                                 font-size: 90%;
 289                         }
 290
 291                          body > ul > li > form {
 292                                 display: inline-block;
 293                                 padding: 0;
 294                                 margin: 0;
 295                         }
 296
 297                         body > ul > li.owned {
 298                                 margin: 8px;
 299                         }
 300
 301                         body > ul > li > form > button {
 302                                 opacity: 0.5;
 303                                 display: inline-block;
 304                                 padding: 4px 16px;
 305                                 margin: 0;
 306                                 border: 0;
 307                                 background: rgba(255, 255, 255, 0.1);
 308                                 color: inherit;
 309                         }
 310
 311                         body > ul > li > form > button:hover {
 312                                 opacity: 1;
 313                         }
 314
 315                         body > ul > li > form > button:active {
 316                                 opacity: 0.5;
 317                         }
 318
 319                         body > ul > li.uploading {
 320                                 animation: upanim 2s linear 0s infinite alternate;
 321                         }
 322
 323                         @keyframes upanim {
 324                                 from {
 325                                         opacity: 0.3;
 326                                 }
 327                                 to {
 328                                         opacity: 0.8;
 329                                 }
 330                         }
 331                 </style>
 332         </head>
 333         <body>
 334                 <h1>strace.club</h1>
 335                 <form action="<?= $data['scriptname'] ?>" method="POST" enctype="multipart/form-data" class="dropzone" id="simpleupload-form">
 336                         Maximum upload size: <?php echo $data['max_upload_size']; ?><br />
 337                         <input type="file" name="file[]" multiple required id="simpleupload-input"/>
 338                 </form>
 339                 <?php if ($settings['listfiles']) { ?>
 340                         <ul id="simpleupload-ul">
 341                                 <?php
 342                                         $file_array = ListFiles($settings['uploaddir'], array('.', '..', $data['scriptname']));
 343                                         foreach ($file_array as $mtime => $filename) {
 344                                                 $file_info = array();
 345                                                 $file_owner = false;
 346                                                 $file_private = $filename[0] === '.';
 347
 348                                                 if ($settings['listfiles_size'])
 349                                                         $file_info[] = FormatSize(filesize($filename));
 350
 351                                                 if ($settings['listfiles_size'])
 352                                                         $file_info[] = date($settings['listfiles_date_format'], $mtime);
 353
 354                                                 if ($settings['allow_deletion'] || $settings['allow_private'])
 355                                                         if (in_array(substr($filename, 1), $_SESSION['upload_user_files']) || in_array($filename, $_SESSION['upload_user_files']))
 356                                                                 $file_owner = true;
 357
 358                                                 $file_info = implode(', ', $file_info);
 359
 360                                                 if (strlen($file_info) > 0)
 361                                                         $file_info = ' (' . $file_info . ')';
 362
 363                                                 $class = '';
 364                                                 if ($file_owner)
 365                                                         $class = 'owned';
 366
 367                                                 if (!$file_private || $file_owner) {
 368                                                         echo "<li class=\"' . $class . '\">";
 369
 370                                                         echo "<a href=\"$filename\" target=\"_blank\">$filename<span>$file_info</span></a>";
 371
 372                                                         if ($file_owner) {
 373                                                                 if ($settings['allow_deletion'])
 374                                                                         echo '<form action="' . $data['scriptname'] . '" method="POST"><input type="hidden" name="target" value="' . $filename . '" /><input type="hidden" name="action" value="delete" /><button type="submit">delete</button></form>';
 375
 376                                                                 if ($settings['allow_private'])
 377                                                                         if ($file_private)
 378                                                                                 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>';
 379                                                                         else
 380                                                                                 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>';
 381                                                         }
 382
 383                                                         echo "</li>";
 384                                                 }
 385                                         }
 386                                 ?>
 387                         </ul>
 388                 <?php } ?>
 389                 <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>
 390                 <script charset="utf-8">
 391                         var target_form = document.getElementById('simpleupload-form'),
 392                                 target_ul = document.getElementById('simpleupload-ul'),
 393                                 target_input = document.getElementById('simpleupload-input');
 394
 395                         target_form.addEventListener('dragover', function (event) {
 396                                 event.preventDefault();
 397                         }, false);
 398
 399                         function AddFileLi (name, info) {
 400                                 target_form.style.display = 'none';
 401
 402                                 var new_li = document.createElement('li');
 403                                 new_li.className = 'uploading';
 404
 405                                 var new_a = document.createElement('a');
 406                                 new_a.innerHTML = name;
 407                                 new_li.appendChild(new_a);
 408
 409                                 var new_span = document.createElement('span');
 410                                 new_span.innerHTML = info;
 411                                 new_a.appendChild(new_span);
 412
 413                                 target_ul.insertBefore(new_li, target_ul.firstChild);
 414                         }
 415
 416                         function HandleFiles (event) {
 417                                 event.preventDefault();
 418
 419                                 var i = 0,
 420                                         files = event.dataTransfer.files,
 421                                         len = files.length;
 422
 423                                 //
 424                                 //      console.log('Filename: ' + files[i].name);
 425                                 //      console.log('Type: ' + files[i].type);
 426                                 //      console.log('Size: ' + files[i].size + ' bytes');
 427                                 //
 428
 429                                 var form = new FormData();
 430
 431                                 for (; i < len; i++) {
 432                                         form.append('file[]', files[i]);
 433                                         AddFileLi(files[i].name, files[i].size + ' bytes');
 434                                 }
 435
 436                                 // send via XHR - look ma, no headers being set!
 437                                 var xhr = new XMLHttpRequest();
 438                                 xhr.onload = function() {
 439                                         window.location.reload();
 440                                 }
 441                                 xhr.open('post', '<?php echo $data['scriptname']; ?>', true);
 442                                 xhr.send(form);
 443                         }
 444
 445                         target_form.addEventListener('drop', HandleFiles, false);
 446
 447                         document.getElementById('simpleupload-input').onchange = function () {
 448                                 AddFileLi('Uploading...', '');
 449                                 target_form.submit();
 450                         };
 451                 </script>
 452         </body>
 453 </html>