plugin/attach.inc.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 //  $Id: attach.inc.php,v 1.69 2005/01/09 08:12:21 henoheno Exp $
   6 //
   7
   8 /*
   9  ¥×¥é¥°¥¤¥ó attach
  10
  11  changed by Y.MASUI <masui@hisec.co.jp> http://masui.net/pukiwiki/
  12  modified by PANDA <panda@arino.jp> http://home.arino.jp/
  13 */
  14
  15 // Max file size for upload on PHP (PHP default: 2MB)
  16 ini_set('upload_max_filesize', '2M');
  17
  18 // Max file size for upload on script of PukiWikiX_FILESIZE
  19 define('PLUGIN_ATTACH_MAX_FILESIZE', (1024 * 1024)); // default: 1MB
  20
  21 // ´ÉÍý¼Ô¤À¤±¤¬ÅºÉÕ¥Õ¥¡¥¤¥ë¤ò¥¢¥Ã¥×¥í¡¼¥É¤Ç¤¤ë¤è¤¦¤Ë¤¹¤ë
  22 define('PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY', FALSE); // FALSE or TRUE
  23
  24 // ´ÉÍý¼Ô¤À¤±¤¬ÅºÉÕ¥Õ¥¡¥¤¥ë¤òºï½ü¤Ç¤¤ë¤è¤¦¤Ë¤¹¤ë
  25 define('PLUGIN_ATTACH_DELETE_ADMIN_ONLY', FALSE); // FALSE or TRUE
  26
  27 // ´ÉÍý¼Ô¤¬ÅºÉÕ¥Õ¥¡¥¤¥ë¤òºï½ü¤¹¤ë¤È¤¤Ï¡¢¥Ð¥Ã¥¯¥¢¥Ã¥×¤òºî¤é¤Ê¤¤
  28 // PLUGIN_ATTACH_DELETE_ADMIN_ONLY=TRUE¤Î¤È¤Í¸ú
  29 define('PLUGIN_ATTACH_DELETE_ADMIN_NOBACKUP', FALSE); // FALSE or TRUE
  30
  31 // ¥¢¥Ã¥×¥í¡¼¥É/ºï½ü»þ¤Ë¥Ñ¥¹¥ï¡¼¥É¤òÍ×µá¤¹¤ë(ADMIN_ONLY¤¬Í¥Àè)
  32 define('PLUGIN_ATTACH_PASSWORD_REQUIRE', FALSE); // FALSE or TRUE
  33
  34 // ¥Õ¥¡¥¤¥ë¤Î¥¢¥¯¥»¥¹¸¢
  35 define('PLUGIN_ATTACH_FILE_MODE', 0644);
  36 //define('PLUGIN_ATTACH_FILE_MODE', 0604); // for XREA.COM
  37
  38 // File icon image
  39 define('PLUGIN_ATTACH_FILE_ICON', '<img src="' . IMAGE_DIR .  'file.png"' .
  40         ' width="20" height="20" alt="file"' .
  41         ' style="border-width:0px" />');
  42
  43 // mime-type¤òµ½Ò¤·¤¿¥Ú¡¼¥¸
  44 define('PLUGIN_ATTACH_CONFIG_PAGE_MIME', 'plugin/attach/mime-type');
  45
  46 //-------- convert
  47 function plugin_attach_convert()
  48 {
  49         global $vars;
  50
  51         $page = isset($vars['page']) ? $vars['page'] : '';
  52
  53         $nolist = $noform = FALSE;
  54         if (func_num_args() > 0) {
  55                 foreach (func_get_args() as $arg) {
  56                         $arg = strtolower($arg);
  57                         $nolist |= ($arg == 'nolist');
  58                         $noform |= ($arg == 'noform');
  59                 }
  60         }
  61
  62         $ret = '';
  63         if (! $nolist) {
  64                 $obj  = & new AttachPages($page);
  65                 $ret .= $obj->toString($page, TRUE);
  66         }
  67         if (! $noform) {
  68                 $ret .= attach_form($page);
  69         }
  70
  71         return $ret;
  72 }
  73
  74 //-------- action
  75 function plugin_attach_action()
  76 {
  77         global $vars, $_attach_messages;
  78
  79         // Backward compatible
  80         if (isset($vars['openfile'])) {
  81                 $vars['file'] = $vars['openfile'];
  82                 $vars['pcmd'] = 'open';
  83         }
  84         if (isset($vars['delfile'])) {
  85                 $vars['file'] = $vars['delfile'];
  86                 $vars['pcmd'] = 'delete';
  87         }
  88
  89         $pcmd  = isset($vars['pcmd'])  ? $vars['pcmd']  : '';
  90         $refer = isset($vars['refer']) ? $vars['refer'] : '';
  91         $pass  = isset($vars['pass'])  ? $vars['pass']  : NULL;
  92         $page  = isset($vars['page'])  ? $vars['page']  : '';
  93
  94         if ($refer != '' && is_pagename($refer)) {
  95                 if(in_array($pcmd, array('info', 'open', 'list'))) {
  96                         check_readable($refer);
  97                 } else {
  98                         check_editable($refer);
  99                 }
 100         }
 101
 102         // Dispatch
 103         if (isset($_FILES['attach_file'])) {
 104                 // Upload
 105                 return attach_upload($_FILES['attach_file'], $refer, $pass);
 106         }
 107         switch ($pcmd) {
 108                 case 'info'     : return attach_info();
 109                 case 'delete'   : return attach_delete();
 110                 case 'open'     : return attach_open();
 111                 case 'list'     : return attach_list();
 112                 case 'freeze'   : return attach_freeze(TRUE);
 113                 case 'unfreeze' : return attach_freeze(FALSE);
 114                 case 'upload'   : return attach_showform();
 115         }
 116         if ($page == '' || ! is_page($page)) {
 117                 return attach_list();
 118         } else {
 119                 return attach_showform();
 120         }
 121 }
 122
 123 //-------- call from skin
 124 function attach_filelist()
 125 {
 126         global $vars, $_attach_messages;
 127
 128         $page = isset($vars['page']) ? $vars['page'] : '';
 129
 130         $obj = & new AttachPages($page, 0);
 131
 132         if (! isset($obj->pages[$page])) {
 133                 return '';
 134         } else {
 135                 return $_attach_messages['msg_file'] . ': ' .
 136                 $obj->toString($page, TRUE) . "\n";
 137         }
 138 }
 139
 140 //-------- ¼ÂÂÎ
 141 // ¥Õ¥¡¥¤¥ë¥¢¥Ã¥×¥í¡¼¥É
 142 // $pass = NULL : ¥Ñ¥¹¥ï¡¼¥É¤¬»ØÄê¤µ¤ì¤Æ¤¤¤Ê¤¤
 143 // $pass = TRUE : ¥¢¥Ã¥×¥í¡¼¥Éµö²Ä
 144 function attach_upload($file, $page, $pass = NULL)
 145 {
 146         global $_attach_messages;
 147
 148         if (! is_page($page)) {
 149                 die_message("No such page");
 150         } else if ($file['tmp_name'] == '' || ! is_uploaded_file($file['tmp_name'])) {
 151                 return array('result'=>FALSE);
 152         } else if ($file['size'] > PLUGIN_ATTACH_MAX_FILESIZE) {
 153                 return array(
 154                         'result'=>FALSE,
 155                         'msg'=>$_attach_messages['err_exceed']);
 156         } else if (! is_pagename($page) || ($pass !== TRUE && ! is_editable($page))) {
 157                 return array(
 158                         'result'=>FALSE,'
 159                         msg'=>$_attach_messages['err_noparm']);
 160         } else if (PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
 161                   ($pass === NULL || ! pkwk_login($pass))) {
 162                 return array(
 163                         'result'=>FALSE,
 164                         'msg'=>$_attach_messages['err_adminpass']);
 165         }
 166
 167         $obj = & new AttachFile($page, $file['name']);
 168         if ($obj->exist) {
 169                 return array('result'=>FALSE,
 170                         'msg'=>$_attach_messages['err_exists']);
 171         }
 172
 173         if (move_uploaded_file($file['tmp_name'], $obj->filename)) {
 174                 chmod($obj->filename, PLUGIN_ATTACH_FILE_MODE);
 175         }
 176
 177         if (is_page($page)) {
 178                 touch(get_filename($page));
 179         }
 180
 181         $obj->getstatus();
 182         $obj->status['pass'] = ($pass !== TRUE && $pass !== NULL) ? md5($pass) : '';
 183         $obj->putstatus();
 184
 185         return array(
 186                 'result'=>TRUE,
 187                 'msg'=>$_attach_messages['msg_uploaded']);
 188 }
 189
 190 // ¾ÜºÙ¥Õ¥©¡¼¥à¤òÉ½¼¨
 191 function attach_info($err = '')
 192 {
 193         global $vars, $_attach_messages;
 194
 195         foreach (array('refer', 'file', 'age') as $var) {
 196                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 197         }
 198
 199         $obj = & new AttachFile($refer, $file, $age);
 200         return $obj->getstatus() ?
 201                 $obj->info($err) :
 202                 array('msg'=>$_attach_messages['err_notfound']);
 203 }
 204
 205 // ºï½ü
 206 function attach_delete()
 207 {
 208         global $vars, $_attach_messages;
 209
 210         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 211                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 212         }
 213
 214         if (is_freeze($refer) || ! is_editable($refer)) {
 215                 return array('msg'=>$_attach_messages['err_noparm']);
 216         } else {
 217                 $obj = & new AttachFile($refer, $file, $age);
 218                 return $obj->getstatus() ?
 219                         $obj->delete($pass) :
 220                         array('msg'=>$_attach_messages['err_notfound']);
 221         }
 222 }
 223
 224 // Åà·ë
 225 function attach_freeze($freeze)
 226 {
 227         global $vars, $_attach_messages;
 228
 229         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 230                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 231         }
 232
 233         if (is_freeze($refer) || ! is_editable($refer)) {
 234                 return array('msg'=>$_attach_messages['err_noparm']);
 235         } else {
 236                 $obj = & new AttachFile($refer, $file, $age);
 237                 return $obj->getstatus() ?
 238                         $obj->freeze($freeze, $pass) :
 239                         array('msg'=>$_attach_messages['err_notfound']);
 240         }
 241 }
 242
 243 // ¥À¥¦¥ó¥í¡¼¥É
 244 function attach_open()
 245 {
 246         global $vars, $_attach_messages;
 247
 248         foreach (array('refer', 'file', 'age') as $var) {
 249                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 250         }
 251
 252         $obj = & new AttachFile($refer, $file, $age);
 253         return $obj->getstatus() ?
 254                 $obj->open() :
 255                 array('msg'=>$_attach_messages['err_notfound']);
 256 }
 257
 258 // °ìÍ÷¼èÆÀ
 259 function attach_list()
 260 {
 261         global $vars, $_attach_messages;
 262
 263         $refer = isset($vars['refer']) ? $vars['refer'] : '';
 264
 265         $obj = & new AttachPages($refer);
 266
 267         $msg = $_attach_messages[($refer == '') ? 'msg_listall' : 'msg_listpage'];
 268         $body = ($refer == '' || isset($obj->pages[$refer])) ?
 269                 $obj->toString($refer, FALSE) :
 270                 $_attach_messages['err_noexist'];
 271
 272         return array('msg'=>$msg, 'body'=>$body);
 273 }
 274
 275 // ¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à¤òÉ½¼¨ (action»þ)
 276 function attach_showform()
 277 {
 278         global $vars, $_attach_messages;
 279
 280         $page = isset($vars['page']) ? $vars['page'] : '';
 281         $vars['refer'] = $page;
 282         $body = attach_form($page);
 283
 284         return array('msg'=>$_attach_messages['msg_upload'], 'body'=>$body);
 285 }
 286
 287 //-------- ¥µ¡¼¥Ó¥¹
 288 // mime-type¤Î·èÄê
 289 function attach_mime_content_type($filename)
 290 {
 291         $type = 'application/octet-stream'; // default
 292
 293         if (! file_exists($filename)) return $type;
 294
 295         $size = @getimagesize($filename);
 296         if (is_array($size)) {
 297                 switch ($size[2]) {
 298                         case 1: return 'image/gif';
 299                         case 2: return 'image/jpeg';
 300                         case 3: return 'image/png';
 301                         case 4: return 'application/x-shockwave-flash';
 302                 }
 303         }
 304
 305         $matches = array();
 306         if (! preg_match('/_((?:[0-9A-F]{2})+)(?:\.\d+)?$/', $filename, $matches))
 307                 return $type;
 308
 309         $filename = decode($matches[1]);
 310
 311         // mime-type°ìÍ÷É½¤ò¼èÆÀ
 312         $config = new Config(PLUGIN_ATTACH_CONFIG_PAGE_MIME);
 313         $table = $config->read() ? $config->get('mime-type') : array();
 314         unset($config); // ¥á¥â¥êÀáÌó
 315
 316         foreach ($table as $row) {
 317                 $_type = trim($row[0]);
 318                 $exts = preg_split('/\s+|,/', trim($row[1]), -1, PREG_SPLIT_NO_EMPTY);
 319                 foreach ($exts as $ext) {
 320                         if (preg_match("/\.$ext$/i", $filename)) return $_type;
 321                 }
 322         }
 323
 324         return $type;
 325 }
 326
 327 // ¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à¤Î½ÐÎÏ
 328 function attach_form($page)
 329 {
 330         global $script, $vars, $_attach_messages;
 331
 332         $r_page = rawurlencode($page);
 333         $s_page = htmlspecialchars($page);
 334         $navi = <<<EOD
 335   <span class="small">
 336    [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 337    [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 338   </span><br />
 339 EOD;
 340
 341         if (! ini_get('file_uploads')) return '#attach(): file_uploads disabled<br />' . $navi;
 342         if (! is_page($page))          return '#attach(): No such page<br />'          . $navi;
 343
 344         $maxsize = PLUGIN_ATTACH_MAX_FILESIZE;
 345         $msg_maxsize = sprintf($_attach_messages['msg_maxsize'], number_format($maxsize/1024) . 'KB');
 346
 347         $pass = '';
 348         if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
 349                 $title = $_attach_messages[PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'msg_adminpass' : 'msg_password'];
 350                 $pass = '<br />' . $title . ': <input type="password" name="pass" size="8" />';
 351         }
 352         return <<<EOD
 353 <form enctype="multipart/form-data" action="$script" method="post">
 354  <div>
 355   <input type="hidden" name="plugin" value="attach" />
 356   <input type="hidden" name="pcmd"   value="post" />
 357   <input type="hidden" name="refer"  value="$s_page" />
 358   <input type="hidden" name="max_file_size" value="$maxsize" />
 359   $navi
 360   <span class="small">
 361    $msg_maxsize
 362   </span><br />
 363   {$_attach_messages['msg_file']}: <input type="file" name="attach_file" />
 364   $pass
 365   <input type="submit" value="{$_attach_messages['btn_upload']}" />
 366  </div>
 367 </form>
 368 EOD;
 369 }
 370
 371 //-------- ¥¯¥é¥¹
 372 // ¥Õ¥¡¥¤¥ë
 373 class AttachFile
 374 {
 375         var $page, $file, $age, $basename, $filename, $logname;
 376         var $time = 0;
 377         var $size = 0;
 378         var $time_str = '';
 379         var $size_str = '';
 380         var $status = array('count'=>array(0), 'age'=>'', 'pass'=>'', 'freeze'=>FALSE);
 381
 382         function AttachFile($page, $file, $age = 0)
 383         {
 384                 $this->page = $page;
 385                 $this->file = preg_replace('#^.*/#','',$file);
 386                 $this->age  = is_numeric($age) ? $age : 0;
 387
 388                 $this->basename = UPLOAD_DIR . encode($page) . '_' . encode($this->file);
 389                 $this->filename = $this->basename . ($age ? '.' . $age : '');
 390                 $this->logname  = $this->basename . '.log';
 391                 $this->exist    = file_exists($this->filename);
 392                 $this->time     = $this->exist ? filemtime($this->filename) - LOCALZONE : 0;
 393                 $this->md5hash  = $this->exist ? md5_file($this->filename) : '';
 394         }
 395
 396         // ¥Õ¥¡¥¤¥ë¾ðÊó¼èÆÀ
 397         function getstatus()
 398         {
 399                 if (! $this->exist) return FALSE;
 400
 401                 // ¥í¥°¥Õ¥¡¥¤¥ë¼èÆÀ
 402                 if (file_exists($this->logname)) {
 403                         $data = file($this->logname);
 404                         foreach ($this->status as $key=>$value) {
 405                                 $this->status[$key] = chop(array_shift($data));
 406                         }
 407                         $this->status['count'] = explode(',', $this->status['count']);
 408                 }
 409                 $this->time_str = get_date('Y/m/d H:i:s', $this->time);
 410                 $this->size     = filesize($this->filename);
 411                 $this->size_str = sprintf('%01.1f', round($this->size/1024, 1)) . 'KB';
 412                 $this->type     = attach_mime_content_type($this->filename);
 413
 414                 return TRUE;
 415         }
 416
 417         // ¥¹¥Æ¡¼¥¿¥¹ÊÝÂ¸
 418         function putstatus()
 419         {
 420                 $this->status['count'] = join(',', $this->status['count']);
 421                 $fp = fopen($this->logname, 'wb') or
 422                         die_message('cannot write ' . $this->logname);
 423                 set_file_buffer($fp, 0);
 424                 flock($fp, LOCK_EX);
 425                 rewind($fp);
 426                 foreach ($this->status as $key=>$value) {
 427                         fwrite($fp, $value . "\n");
 428                 }
 429                 flock($fp, LOCK_UN);
 430                 fclose($fp);
 431         }
 432
 433         // ÆüÉÕ¤ÎÈæ³Ó´Ø¿ô
 434         function datecomp($a, $b) {
 435                 return ($a->time == $b->time) ? 0 : (($a->time > $b->time) ? -1 : 1);
 436         }
 437
 438         function toString($showicon, $showinfo)
 439         {
 440                 global $script, $_attach_messages;
 441
 442                 $this->getstatus();
 443                 $param  = '&amp;file=' . rawurlencode($this->file) . '&amp;refer=' . rawurlencode($this->page) .
 444                         ($this->age ? '&amp;age=' . $this->age : '');
 445                 $title = $this->time_str . ' ' . $this->size_str;
 446                 $label = ($showicon ? PLUGIN_ATTACH_FILE_ICON : '') . htmlspecialchars($this->file);
 447                 if ($this->age) {
 448                         $label .= ' (backup No.' . $this->age . ')';
 449                 }
 450                 $info = $count = '';
 451                 if ($showinfo) {
 452                         $_title = str_replace('$1', rawurlencode($this->file), $_attach_messages['msg_info']);
 453                         $info = "\n<span class=\"small\">[<a href=\"$script?plugin=attach&amp;pcmd=info$param\" title=\"$_title\">{$_attach_messages['btn_info']}</a>]</span>\n";
 454                         $count = ($showicon && ! empty($this->status['count'][$this->age])) ?
 455                                 sprintf($_attach_messages['msg_count'], $this->status['count'][$this->age]) : '';
 456                 }
 457                 return "<a href=\"$script?plugin=attach&amp;pcmd=open$param\" title=\"$title\">$label</a>$count$info";
 458         }
 459
 460         // ¾ðÊóÉ½¼¨
 461         function info($err)
 462         {
 463                 global $script, $_attach_messages;
 464
 465                 $r_page = rawurlencode($this->page);
 466                 $s_page = htmlspecialchars($this->page);
 467                 $s_file = htmlspecialchars($this->file);
 468                 $s_err = ($err == '') ? '' : '<p style="font-weight:bold">' . $_attach_messages[$err] . '</p>';
 469
 470                 if ($this->age) {
 471                         $msg_freezed = '';
 472                         $msg_delete  = '<input type="radio" name="pcmd" value="delete" />' .
 473                                 $_attach_messages['msg_delete'] .
 474                                 $_attach_messages['msg_require'] . '<br />';
 475                         $msg_freeze  = '';
 476                 } else {
 477                         if ($this->status['freeze']) {
 478                                 $msg_freezed = "<dd>{$_attach_messages['msg_isfreeze']}</dd>";
 479                                 $msg_delete  = '';
 480                                 $msg_freeze  = '<input type="radio" name="pcmd" value="unfreeze" />' .
 481                                         $_attach_messages['msg_unfreeze'] .
 482                                         $_attach_messages['msg_require'] . '<br />';
 483                         } else {
 484                                 $msg_freezed = '';
 485                                 $msg_delete = '<input type="radio" name="pcmd" value="delete" />' .
 486                                         $_attach_messages['msg_delete'];
 487                                 if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 488                                         $msg_delete .= $_attach_messages['msg_require'];
 489                                 }
 490                                 $msg_delete .= '<br />';
 491                                 $msg_freeze  = '<input type="radio" name="pcmd" value="freeze" />' .
 492                                         $_attach_messages['msg_freeze'] .
 493                                         $_attach_messages['msg_require'] . '<br />';
 494                         }
 495                 }
 496                 $info = $this->toString(TRUE, FALSE);
 497
 498                 $retval = array('msg'=>sprintf($_attach_messages['msg_info'], htmlspecialchars($this->file)));
 499                 $retval['body'] = <<< EOD
 500 <p class="small">
 501  [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 502  [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 503 </p>
 504 <dl>
 505  <dt>$info</dt>
 506  <dd>{$_attach_messages['msg_page']}:$s_page</dd>
 507  <dd>{$_attach_messages['msg_filename']}:{$this->filename}</dd>
 508  <dd>{$_attach_messages['msg_md5hash']}:{$this->md5hash}</dd>
 509  <dd>{$_attach_messages['msg_filesize']}:{$this->size_str} ({$this->size} bytes)</dd>
 510  <dd>Content-type:{$this->type}</dd>
 511  <dd>{$_attach_messages['msg_date']}:{$this->time_str}</dd>
 512  <dd>{$_attach_messages['msg_dlcount']}:{$this->status['count'][$this->age]}</dd>
 513  $msg_freezed
 514 </dl>
 515 <hr />
 516 $s_err
 517 <form action="$script" method="post">
 518  <div>
 519   <input type="hidden" name="plugin" value="attach" />
 520   <input type="hidden" name="refer" value="$s_page" />
 521   <input type="hidden" name="file" value="$s_file" />
 522   <input type="hidden" name="age" value="{$this->age}" />
 523   $msg_delete
 524   $msg_freeze
 525   {$_attach_messages['msg_password']}: <input type="password" name="pass" size="8" />
 526   <input type="submit" value="{$_attach_messages['btn_submit']}" />
 527  </div>
 528 </form>
 529 EOD;
 530                 return $retval;
 531         }
 532
 533         function delete($pass)
 534         {
 535                 global $_attach_messages;
 536
 537                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 538
 539                 if (! pkwk_login($pass)) {
 540                         if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 541                                 return attach_info('err_adminpass');
 542                         } else if (PLUGIN_ATTACH_PASSWORD_REQUIRE &&
 543                                 md5($pass) != $this->status['pass']) {
 544                                 return attach_info('err_password');
 545                         }
 546                 }
 547
 548                 // ¥Ð¥Ã¥¯¥¢¥Ã¥×
 549                 if ($this->age ||
 550                         (PLUGIN_ATTACH_DELETE_ADMIN_ONLY && PLUGIN_ATTACH_DELETE_ADMIN_NOBACKUP)) {
 551                         @unlink($this->filename);
 552                 } else {
 553                         do {
 554                                 $age = ++$this->status['age'];
 555                         } while (file_exists($this->basename . '.' . $age));
 556
 557                         if (! rename($this->basename,$this->basename . '.' . $age)) {
 558                                 // ºï½ü¼ºÇÔ why?
 559                                 return array('msg'=>$_attach_messages['err_delete']);
 560                         }
 561
 562                         $this->status['count'][$age] = $this->status['count'][0];
 563                         $this->status['count'][0] = 0;
 564                         $this->putstatus();
 565                 }
 566
 567                 if (is_page($this->page)) {
 568                         touch(get_filename($this->page));
 569                 }
 570
 571                 return array('msg'=>$_attach_messages['msg_deleted']);
 572         }
 573
 574         function freeze($freeze, $pass)
 575         {
 576                 global $_attach_messages;
 577
 578                 if (! pkwk_login($pass)) return attach_info('err_adminpass');
 579
 580                 $this->getstatus();
 581                 $this->status['freeze'] = $freeze;
 582                 $this->putstatus();
 583
 584                 return array('msg'=>$_attach_messages[$freeze ? 'msg_freezed' : 'msg_unfreezed']);
 585         }
 586
 587         function open()
 588         {
 589                 $this->getstatus();
 590                 $this->status['count'][$this->age]++;
 591                 $this->putstatus();
 592                 $filename = $this->file;
 593
 594                 // Care for Japanese-character-included file name
 595                 if (LANG == 'ja') {
 596                         switch(UA_NAME . '/' . UA_PROFILE){
 597                         case 'Opera/default':
 598                                 // Care for using _auto-encode-detecting_ function
 599                                 $filename = mb_convert_encoding($filename, 'UTF-8', 'auto');
 600                                 break;
 601                         case 'MSIE/default':
 602                                 $filename = mb_convert_encoding($filename, 'SJIS', 'auto');
 603                                 break;
 604                         }
 605                 }
 606                 $filename = htmlspecialchars($filename);
 607
 608                 ini_set('default_charset', '');
 609                 mb_http_output('pass');
 610
 611                 pkwk_common_headers();
 612                 header('Content-Disposition: inline; filename="' . $filename . '"');
 613                 header('Content-Length: ' . $this->size);
 614                 header('Content-Type: '   . $this->type);
 615
 616                 @readfile($this->filename);
 617                 exit;
 618         }
 619 }
 620
 621 // ¥Õ¥¡¥¤¥ë¥³¥ó¥Æ¥Ê
 622 class AttachFiles
 623 {
 624         var $page;
 625         var $files = array();
 626
 627         function AttachFiles($page)
 628         {
 629                 $this->page = $page;
 630         }
 631
 632         function add($file, $age)
 633         {
 634                 $this->files[$file][$age] = & new AttachFile($this->page, $file, $age);
 635         }
 636
 637         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ
 638         function toString($flat)
 639         {
 640                 global $_title_cannotread;
 641
 642                 if (! check_readable($this->page, FALSE, FALSE)) {
 643                         return str_replace('$1', make_pagelink($this->page), $_title_cannotread);
 644                 } else if ($flat) {
 645                         return $this->to_flat();
 646                 }
 647
 648                 $ret = '';
 649                 $files = array_keys($this->files);
 650                 sort($files);
 651
 652                 foreach ($files as $file) {
 653                         $_files = array();
 654                         foreach (array_keys($this->files[$file]) as $age) {
 655                                 $_files[$age] = $this->files[$file][$age]->toString(FALSE, TRUE);
 656                         }
 657                         if (! isset($_files[0])) {
 658                                 $_files[0] = htmlspecialchars($file);
 659                         }
 660                         ksort($_files);
 661                         $_file = $_files[0];
 662                         unset($_files[0]);
 663                         $ret .= " <li>$_file\n";
 664                         if (count($_files)) {
 665                                 $ret .= "<ul>\n<li>" . join("</li>\n<li>", $_files) . "</li>\n</ul>\n";
 666                         }
 667                         $ret .= " </li>\n";
 668                 }
 669                 return make_pagelink($this->page) . "\n<ul>\n$ret</ul>\n";
 670         }
 671
 672         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ(inline)
 673         function to_flat()
 674         {
 675                 $ret = '';
 676                 $files = array();
 677                 foreach (array_keys($this->files) as $file) {
 678                         if (isset($this->files[$file][0])) {
 679                                 $files[$file] = & $this->files[$file][0];
 680                         }
 681                 }
 682                 uasort($files, array('AttachFile', 'datecomp'));
 683                 foreach (array_keys($files) as $file) {
 684                         $ret .= $files[$file]->toString(TRUE, TRUE) . ' ';
 685                 }
 686
 687                 return $ret;
 688         }
 689 }
 690
 691 // ¥Ú¡¼¥¸¥³¥ó¥Æ¥Ê
 692 class AttachPages
 693 {
 694         var $pages = array();
 695
 696         function AttachPages($page = '', $age = NULL)
 697         {
 698
 699                 $dir = opendir(UPLOAD_DIR) or
 700                         die('directory ' . UPLOAD_DIR . ' is not exist or not readable.');
 701
 702                 $page_pattern = ($page == '') ? '(?:[0-9A-F]{2})+' : preg_quote(encode($page), '/');
 703                 $age_pattern = ($age === NULL) ?
 704                         '(?:\.([0-9]+))?' : ($age ?  "\.($age)" : '');
 705                 $pattern = "/^({$page_pattern})_((?:[0-9A-F]{2})+){$age_pattern}$/";
 706
 707                 $matches = array();
 708                 while ($file = readdir($dir)) {
 709                         if (! preg_match($pattern, $file, $matches))
 710                                 continue;
 711
 712                         $_page = decode($matches[1]);
 713                         $_file = decode($matches[2]);
 714                         $_age  = isset($matches[3]) ? $matches[3] : 0;
 715                         if (! isset($this->pages[$_page])) {
 716                                 $this->pages[$_page] = & new AttachFiles($_page);
 717                         }
 718                         $this->pages[$_page]->add($_file, $_age);
 719                 }
 720                 closedir($dir);
 721         }
 722
 723         function toString($page = '', $flat = FALSE)
 724         {
 725                 global $non_list;
 726
 727                 if ($page != '') {
 728                         if (! isset($this->pages[$page])) {
 729                                 return '';
 730                         } else {
 731                                 return $this->pages[$page]->toString($flat);
 732                         }
 733                 }
 734                 $ret = '';
 735
 736                 $pages = array_keys($this->pages);
 737                 sort($pages);
 738
 739                 $non_list_pattern = '/' . $non_list . '/';
 740                 foreach ($pages as $page) {
 741                         if (preg_match($non_list_pattern, $page)) continue;
 742                         $ret .= '<li>' . $this->pages[$page]->toString($flat) . "</li>\n";
 743                 }
 744                 return "\n" . '<ul>' . "\n" . $ret . '</ul>' . "\n";
 745         }
 746 }
 747 ?>