plugin/attach.inc.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 //  $Id: attach.inc.php,v 1.61 2004/09/19 14:05:30 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('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('ATTACH_UPLOAD_ADMIN_ONLY', FALSE); // FALSE or TRUE
  23
  24 // ´ÉÍý¼Ô¤À¤±¤¬ÅºÉÕ¥Õ¥¡¥¤¥ë¤òºï½ü¤Ç¤¤ë¤è¤¦¤Ë¤¹¤ë
  25 define('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 // ATTACH_DELETE_ADMIN_ONLY=TRUE¤Î¤È¤Í¸ú
  29 define('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('ATTACH_PASSWORD_REQUIRE', FALSE); // FALSE or TRUE
  33
  34 // ¥Õ¥¡¥¤¥ë¤Î¥¢¥¯¥»¥¹¸¢
  35 define('ATTACH_FILE_MODE', 0644);
  36 //define('ATTACH_FILE_MODE', 0604); // for XREA.COM
  37
  38 // file icon image
  39 if (! defined('FILE_ICON')) {
  40         define('FILE_ICON', '<img src="' . IMAGE_DIR .  'file.png"' .
  41                 ' width="20" height="20" alt="file"' .
  42                 ' style="border-width:0px" />');
  43 }
  44
  45 // mime-type¤òµ½Ò¤·¤¿¥Ú¡¼¥¸
  46 define('ATTACH_CONFIG_PAGE_MIME', 'plugin/attach/mime-type');
  47
  48 //-------- convert
  49 function plugin_attach_convert()
  50 {
  51         global $vars;
  52
  53         $page = isset($vars['page']) ? $vars['page'] : '';
  54
  55         $nolist = $noform = FALSE;
  56         if (func_num_args() > 0) {
  57                 foreach (func_get_args() as $arg) {
  58                         $arg = strtolower($arg);
  59                         $nolist |= ($arg == 'nolist');
  60                         $noform |= ($arg == 'noform');
  61                 }
  62         }
  63
  64         $ret = '';
  65         if (! $nolist) {
  66                 $obj  = & new AttachPages($page);
  67                 $ret .= $obj->toString($page, TRUE);
  68         }
  69         if (! $noform) {
  70                 $ret .= attach_form($page);
  71         }
  72
  73         return $ret;
  74 }
  75
  76 //-------- action
  77 function plugin_attach_action()
  78 {
  79         global $vars, $_attach_messages;
  80
  81         // Backward compatible
  82         if (isset($vars['openfile'])) {
  83                 $vars['file'] = $vars['openfile'];
  84                 $vars['pcmd'] = 'open';
  85         }
  86         if (isset($vars['delfile'])) {
  87                 $vars['file'] = $vars['delfile'];
  88                 $vars['pcmd'] = 'delete';
  89         }
  90
  91         $pcmd  = isset($vars['pcmd'])  ? $vars['pcmd']  : '';
  92         $refer = isset($vars['refer']) ? $vars['refer'] : '';
  93         $pass  = isset($vars['pass'])  ? $vars['pass']  : NULL;
  94         $page  = isset($vars['page'])  ? $vars['page']  : '';
  95
  96         if ($refer != '' && is_pagename($refer)) {
  97                 if(in_array($pcmd, array('info', 'open', 'list'))) {
  98                         check_readable($refer);
  99                 } else {
 100                         check_editable($refer);
 101                 }
 102         }
 103
 104         // Dispatch
 105         if (isset($_FILES['attach_file'])) {
 106                 // Upload
 107                 return attach_upload($_FILES['attach_file'], $refer, $pass);
 108         }
 109         switch ($pcmd) {
 110                 case 'info'     : return attach_info();
 111                 case 'delete'   : return attach_delete();
 112                 case 'open'     : return attach_open();
 113                 case 'list'     : return attach_list();
 114                 case 'freeze'   : return attach_freeze(TRUE);
 115                 case 'unfreeze' : return attach_freeze(FALSE);
 116                 case 'upload'   : return attach_showform();
 117         }
 118         if ($page == '' || ! is_page($page)) {
 119                 return attach_list();
 120         } else {
 121                 return attach_showform();
 122         }
 123 }
 124
 125 //-------- call from skin
 126 function attach_filelist()
 127 {
 128         global $vars, $_attach_messages;
 129
 130         $page = isset($vars['page']) ? $vars['page'] : '';
 131
 132         $obj = & new AttachPages($page, 0);
 133
 134         if (! isset($obj->pages[$page])) {
 135                 return '';
 136         } else {
 137                 return $_attach_messages['msg_file'] . ': ' .
 138                 $obj->toString($page, TRUE) . "\n";
 139         }
 140 }
 141
 142 //-------- ¼ÂÂÎ
 143 // ¥Õ¥¡¥¤¥ë¥¢¥Ã¥×¥í¡¼¥É
 144 // $pass = NULL : ¥Ñ¥¹¥ï¡¼¥É¤¬»ØÄê¤µ¤ì¤Æ¤¤¤Ê¤¤
 145 // $pass = TRUE : ¥¢¥Ã¥×¥í¡¼¥Éµö²Ä
 146 function attach_upload($file, $page, $pass = NULL)
 147 {
 148         global $_attach_messages;
 149
 150         if (! is_page($page)) {
 151                 die_message("No such page");
 152         } else if ($file['tmp_name'] == '' || ! is_uploaded_file($file['tmp_name'])) {
 153                 return array('result'=>FALSE);
 154         } else if ($file['size'] > MAX_FILESIZE) {
 155                 return array(
 156                         'result'=>FALSE,
 157                         'msg'=>$_attach_messages['err_exceed']);
 158         } else if (! is_pagename($page) || ($pass !== TRUE && ! is_editable($page))) {
 159                 return array(
 160                         'result'=>FALSE,'
 161                         msg'=>$_attach_messages['err_noparm']);
 162         } else if (ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
 163                   ($pass === NULL || ! pkwk_login($pass))) {
 164                 return array(
 165                         'result'=>FALSE,
 166                         'msg'=>$_attach_messages['err_adminpass']);
 167         }
 168
 169         $obj = & new AttachFile($page, $file['name']);
 170         if ($obj->exist) {
 171                 return array('result'=>FALSE,
 172                         'msg'=>$_attach_messages['err_exists']);
 173         }
 174
 175         if (move_uploaded_file($file['tmp_name'], $obj->filename)) {
 176                 chmod($obj->filename, ATTACH_FILE_MODE);
 177         }
 178
 179         if (is_page($page)) {
 180                 touch(get_filename($page));
 181         }
 182
 183         $obj->getstatus();
 184         $obj->status['pass'] = ($pass !== TRUE && $pass !== NULL) ? md5($pass) : '';
 185         $obj->putstatus();
 186
 187         return array(
 188                 'result'=>TRUE,
 189                 'msg'=>$_attach_messages['msg_uploaded']);
 190 }
 191
 192 // ¾ÜºÙ¥Õ¥©¡¼¥à¤òÉ½¼¨
 193 function attach_info($err = '')
 194 {
 195         global $vars, $_attach_messages;
 196
 197         foreach (array('refer', 'file', 'age') as $var) {
 198                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 199         }
 200
 201         $obj = & new AttachFile($refer, $file, $age);
 202         return $obj->getstatus() ?
 203                 $obj->info($err) :
 204                 array('msg'=>$_attach_messages['err_notfound']);
 205 }
 206
 207 // ºï½ü
 208 function attach_delete()
 209 {
 210         global $vars, $_attach_messages;
 211
 212         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 213                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 214         }
 215
 216         if (is_freeze($refer) || ! is_editable($refer)) {
 217                 return array('msg'=>$_attach_messages['err_noparm']);
 218         } else {
 219                 $obj = & new AttachFile($refer, $file, $age);
 220                 return $obj->getstatus() ?
 221                         $obj->delete($pass) :
 222                         array('msg'=>$_attach_messages['err_notfound']);
 223         }
 224 }
 225
 226 // Åà·ë
 227 function attach_freeze($freeze)
 228 {
 229         global $vars, $_attach_messages;
 230
 231         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 232                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 233         }
 234
 235         if (is_freeze($refer) || ! is_editable($refer)) {
 236                 return array('msg'=>$_attach_messages['err_noparm']);
 237         } else {
 238                 $obj = & new AttachFile($refer, $file, $age);
 239                 return $obj->getstatus() ?
 240                         $obj->freeze($freeze, $pass) :
 241                         array('msg'=>$_attach_messages['err_notfound']);
 242         }
 243 }
 244
 245 // ¥À¥¦¥ó¥í¡¼¥É
 246 function attach_open()
 247 {
 248         global $vars, $_attach_messages;
 249
 250         foreach (array('refer', 'file', 'age') as $var) {
 251                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 252         }
 253
 254         $obj = & new AttachFile($refer, $file, $age);
 255         return $obj->getstatus() ?
 256                 $obj->open() :
 257                 array('msg'=>$_attach_messages['err_notfound']);
 258 }
 259
 260 // °ìÍ÷¼èÆÀ
 261 function attach_list()
 262 {
 263         global $vars, $_attach_messages;
 264
 265         $refer = isset($vars['refer']) ? $vars['refer'] : '';
 266
 267         $obj = & new AttachPages($refer);
 268
 269         $msg = $_attach_messages[($refer == '') ? 'msg_listall' : 'msg_listpage'];
 270         $body = ($refer == '' || isset($obj->pages[$refer])) ?
 271                 $obj->toString($refer, FALSE) :
 272                 $_attach_messages['err_noexist'];
 273
 274         return array('msg'=>$msg, 'body'=>$body);
 275 }
 276
 277 // ¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à¤òÉ½¼¨ (action»þ)
 278 function attach_showform()
 279 {
 280         global $vars, $_attach_messages;
 281
 282         $page = isset($vars['page']) ? $vars['page'] : '';
 283         $vars['refer'] = $page;
 284         $body = attach_form($page);
 285
 286         return array('msg'=>$_attach_messages['msg_upload'], 'body'=>$body);
 287 }
 288
 289 //-------- ¥µ¡¼¥Ó¥¹
 290 // mime-type¤Î·èÄê
 291 function attach_mime_content_type($filename)
 292 {
 293         $type = 'application/octet-stream'; // default
 294
 295         if (! file_exists($filename)) return $type;
 296
 297         $size = @getimagesize($filename);
 298         if (is_array($size)) {
 299                 switch ($size[2]) {
 300                         case 1: return 'image/gif';
 301                         case 2: return 'image/jpeg';
 302                         case 3: return 'image/png';
 303                         case 4: return 'application/x-shockwave-flash';
 304                 }
 305         }
 306
 307         $matches = array();
 308         if (! preg_match('/_((?:[0-9A-F]{2})+)(?:\.\d+)?$/', $filename, $matches))
 309                 return $type;
 310
 311         $filename = decode($matches[1]);
 312
 313         // mime-type°ìÍ÷É½¤ò¼èÆÀ
 314         $config = new Config(ATTACH_CONFIG_PAGE_MIME);
 315         $table = $config->read() ? $config->get('mime-type') : array();
 316         unset($config); // ¥á¥â¥êÀáÌó
 317
 318         foreach ($table as $row) {
 319                 $_type = trim($row[0]);
 320                 $exts = preg_split('/\s+|,/', trim($row[1]), -1, PREG_SPLIT_NO_EMPTY);
 321                 foreach ($exts as $ext) {
 322                         if (preg_match("/\.$ext$/i", $filename)) return $_type;
 323                 }
 324         }
 325
 326         return $type;
 327 }
 328
 329 // ¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à¤Î½ÐÎÏ
 330 function attach_form($page)
 331 {
 332         global $script, $vars, $_attach_messages;
 333
 334         $r_page = rawurlencode($page);
 335         $s_page = htmlspecialchars($page);
 336         $navi = <<<EOD
 337   <span class="small">
 338    [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 339    [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 340   </span><br />
 341 EOD;
 342
 343         if (! ini_get('file_uploads')) return '#attach(): file_uploads disabled<br />' . $navi;
 344         if (! is_page($page))          return '#attach(): No such page<br />'          . $navi;
 345
 346         $maxsize = MAX_FILESIZE;
 347         $msg_maxsize = sprintf($_attach_messages['msg_maxsize'], number_format($maxsize/1024) . 'KB');
 348
 349         $pass = '';
 350         if (ATTACH_PASSWORD_REQUIRE || ATTACH_UPLOAD_ADMIN_ONLY) {
 351                 $title = $_attach_messages[ATTACH_UPLOAD_ADMIN_ONLY ? 'msg_adminpass' : 'msg_password'];
 352                 $pass = '<br />' . $title . ': <input type="password" name="pass" size="8" />';
 353         }
 354         return <<<EOD
 355 <form enctype="multipart/form-data" action="$script" method="post">
 356  <div>
 357   <input type="hidden" name="plugin" value="attach" />
 358   <input type="hidden" name="pcmd"   value="post" />
 359   <input type="hidden" name="refer"  value="$s_page" />
 360   <input type="hidden" name="max_file_size" value="$maxsize" />
 361   $navi
 362   <span class="small">
 363    $msg_maxsize
 364   </span><br />
 365   {$_attach_messages['msg_file']}: <input type="file" name="attach_file" />
 366   $pass
 367   <input type="submit" value="{$_attach_messages['btn_upload']}" />
 368  </div>
 369 </form>
 370 EOD;
 371 }
 372
 373 //-------- ¥¯¥é¥¹
 374 // ¥Õ¥¡¥¤¥ë
 375 class AttachFile
 376 {
 377         var $page, $file, $age, $basename, $filename, $logname;
 378         var $time = 0;
 379         var $size = 0;
 380         var $time_str = '';
 381         var $size_str = '';
 382         var $status = array('count'=>array(0), 'age'=>'', 'pass'=>'', 'freeze'=>FALSE);
 383
 384         function AttachFile($page, $file, $age = 0)
 385         {
 386                 $this->page = $page;
 387                 $this->file = preg_replace('#^.*/#','',$file);
 388                 $this->age  = is_numeric($age) ? $age : 0;
 389
 390                 $this->basename = UPLOAD_DIR . encode($page) . '_' . encode($this->file);
 391                 $this->filename = $this->basename . ($age ? '.' . $age : '');
 392                 $this->logname  = $this->basename . '.log';
 393                 $this->exist    = file_exists($this->filename);
 394                 $this->time     = $this->exist ? filemtime($this->filename) - LOCALZONE : 0;
 395                 $this->md5hash  = $this->exist ? md5_file($this->filename) : '';
 396         }
 397
 398         // ¥Õ¥¡¥¤¥ë¾ðÊó¼èÆÀ
 399         function getstatus()
 400         {
 401                 if (! $this->exist) return FALSE;
 402
 403                 // ¥í¥°¥Õ¥¡¥¤¥ë¼èÆÀ
 404                 if (file_exists($this->logname)) {
 405                         $data = file($this->logname);
 406                         foreach ($this->status as $key=>$value) {
 407                                 $this->status[$key] = chop(array_shift($data));
 408                         }
 409                         $this->status['count'] = explode(',', $this->status['count']);
 410                 }
 411                 $this->time_str = get_date('Y/m/d H:i:s', $this->time);
 412                 $this->size     = filesize($this->filename);
 413                 $this->size_str = sprintf('%01.1f', round($this->size/1024, 1)) . 'KB';
 414                 $this->type     = attach_mime_content_type($this->filename);
 415
 416                 return TRUE;
 417         }
 418
 419         // ¥¹¥Æ¡¼¥¿¥¹ÊÝÂ¸
 420         function putstatus()
 421         {
 422                 $this->status['count'] = join(',', $this->status['count']);
 423                 $fp = fopen($this->logname, 'wb') or
 424                         die_message('cannot write ' . $this->logname);
 425                 set_file_buffer($fp, 0);
 426                 flock($fp, LOCK_EX);
 427                 rewind($fp);
 428                 foreach ($this->status as $key=>$value) {
 429                         fwrite($fp, $value . "\n");
 430                 }
 431                 flock($fp, LOCK_UN);
 432                 fclose($fp);
 433         }
 434
 435         // ÆüÉÕ¤ÎÈæ³Ó´Ø¿ô
 436         function datecomp($a, $b) {
 437                 return ($a->time == $b->time) ? 0 : (($a->time > $b->time) ? -1 : 1);
 438         }
 439
 440         function toString($showicon, $showinfo)
 441         {
 442                 global $script, $_attach_messages;
 443
 444                 $this->getstatus();
 445                 $param  = '&amp;file=' . rawurlencode($this->file) . '&amp;refer=' . rawurlencode($this->page) .
 446                         ($this->age ? '&amp;age=' . $this->age : '');
 447                 $title = $this->time_str . ' ' . $this->size_str;
 448                 $label = ($showicon ? FILE_ICON : '') . htmlspecialchars($this->file);
 449                 if ($this->age) {
 450                         $label .= ' (backup No.' . $this->age . ')';
 451                 }
 452                 $info = $count = '';
 453                 if ($showinfo) {
 454                         $_title = str_replace('$1', rawurlencode($this->file), $_attach_messages['msg_info']);
 455                         $info = "\n<span class=\"small\">[<a href=\"$script?plugin=attach&amp;pcmd=info$param\" title=\"$_title\">{$_attach_messages['btn_info']}</a>]</span><br />\n";
 456                         $count = ($showicon && ! empty($this->status['count'][$this->age])) ?
 457                                 sprintf($_attach_messages['msg_count'], $this->status['count'][$this->age]) : '';
 458                 }
 459                 return "<a href=\"$script?plugin=attach&amp;pcmd=open$param\" title=\"$title\">$label</a>$count$info";
 460         }
 461
 462         // ¾ðÊóÉ½¼¨
 463         function info($err)
 464         {
 465                 global $script, $_attach_messages;
 466
 467                 $r_page = rawurlencode($this->page);
 468                 $s_page = htmlspecialchars($this->page);
 469                 $s_file = htmlspecialchars($this->file);
 470                 $s_err = ($err == '') ? '' : '<p style="font-weight:bold">' . $_attach_messages[$err] . '</p>';
 471
 472                 if ($this->age) {
 473                         $msg_freezed = '';
 474                         $msg_delete  = '<input type="radio" name="pcmd" value="delete" />' .
 475                                 $_attach_messages['msg_delete'] .
 476                                 $_attach_messages['msg_require'] . '<br />';
 477                         $msg_freeze  = '';
 478                 } else {
 479                         if ($this->status['freeze']) {
 480                                 $msg_freezed = "<dd>{$_attach_messages['msg_isfreeze']}</dd>";
 481                                 $msg_delete  = '';
 482                                 $msg_freeze  = '<input type="radio" name="pcmd" value="unfreeze" />' .
 483                                         $_attach_messages['msg_unfreeze'] .
 484                                         $_attach_messages['msg_require'] . '<br />';
 485                         } else {
 486                                 $msg_freezed = '';
 487                                 $msg_delete = '<input type="radio" name="pcmd" value="delete" />' .
 488                                         $_attach_messages['msg_delete'];
 489                                 if (ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 490                                         $msg_delete .= $_attach_messages['msg_require'];
 491                                 }
 492                                 $msg_delete .= '<br />';
 493                                 $msg_freeze  = '<input type="radio" name="pcmd" value="freeze" />' .
 494                                         $_attach_messages['msg_freeze'] .
 495                                         $_attach_messages['msg_require'] . '<br />';
 496                         }
 497                 }
 498                 $info = $this->toString(TRUE, FALSE);
 499
 500                 $retval = array('msg'=>sprintf($_attach_messages['msg_info'], htmlspecialchars($this->file)));
 501                 $retval['body'] = <<< EOD
 502 <p class="small">
 503  [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 504  [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 505 </p>
 506 <dl>
 507  <dt>$info</dt>
 508  <dd>{$_attach_messages['msg_page']}:$s_page</dd>
 509  <dd>{$_attach_messages['msg_filename']}:{$this->filename}</dd>
 510  <dd>{$_attach_messages['msg_md5hash']}:{$this->md5hash}</dd>
 511  <dd>{$_attach_messages['msg_filesize']}:{$this->size_str} ({$this->size} bytes)</dd>
 512  <dd>Content-type:{$this->type}</dd>
 513  <dd>{$_attach_messages['msg_date']}:{$this->time_str}</dd>
 514  <dd>{$_attach_messages['msg_dlcount']}:{$this->status['count'][$this->age]}</dd>
 515  $msg_freezed
 516 </dl>
 517 <hr />
 518 $s_err
 519 <form action="$script" method="post">
 520  <div>
 521   <input type="hidden" name="plugin" value="attach" />
 522   <input type="hidden" name="refer" value="$s_page" />
 523   <input type="hidden" name="file" value="$s_file" />
 524   <input type="hidden" name="age" value="{$this->age}" />
 525   $msg_delete
 526   $msg_freeze
 527   {$_attach_messages['msg_password']}: <input type="password" name="pass" size="8" />
 528   <input type="submit" value="{$_attach_messages['btn_submit']}" />
 529  </div>
 530 </form>
 531 EOD;
 532                 return $retval;
 533         }
 534
 535         function delete($pass)
 536         {
 537                 global $_attach_messages;
 538
 539                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 540
 541                 if (! pkwk_login($pass)) {
 542                         if (ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 543                                 return attach_info('err_adminpass');
 544                         } else if (ATTACH_PASSWORD_REQUIRE &&
 545                                 md5($pass) != $this->status['pass']) {
 546                                 return attach_info('err_password');
 547                         }
 548                 }
 549
 550                 // ¥Ð¥Ã¥¯¥¢¥Ã¥×
 551                 if ($this->age ||
 552                         (ATTACH_DELETE_ADMIN_ONLY && ATTACH_DELETE_ADMIN_NOBACKUP)) {
 553                         @unlink($this->filename);
 554                 } else {
 555                         do {
 556                                 $age = ++$this->status['age'];
 557                         } while (file_exists($this->basename . '.' . $age));
 558
 559                         if (! rename($this->basename,$this->basename . '.' . $age)) {
 560                                 // ºï½ü¼ºÇÔ why?
 561                                 return array('msg'=>$_attach_messages['err_delete']);
 562                         }
 563
 564                         $this->status['count'][$age] = $this->status['count'][0];
 565                         $this->status['count'][0] = 0;
 566                         $this->putstatus();
 567                 }
 568
 569                 if (is_page($this->page)) {
 570                         touch(get_filename($this->page));
 571                 }
 572
 573                 return array('msg'=>$_attach_messages['msg_deleted']);
 574         }
 575
 576         function freeze($freeze, $pass)
 577         {
 578                 global $_attach_messages;
 579
 580                 if (! pkwk_login($pass)) return attach_info('err_adminpass');
 581
 582                 $this->getstatus();
 583                 $this->status['freeze'] = $freeze;
 584                 $this->putstatus();
 585
 586                 return array('msg'=>$_attach_messages[$freeze ? 'msg_freezed' : 'msg_unfreezed']);
 587         }
 588
 589         function open()
 590         {
 591                 $this->getstatus();
 592                 $this->status['count'][$this->age]++;
 593                 $this->putstatus();
 594
 595                 // for Japanese (???)
 596                 $filename = htmlspecialchars(mb_convert_encoding($this->file,'SJIS','auto'));
 597
 598                 ini_set('default_charset', '');
 599                 mb_http_output('pass');
 600
 601                 header('Content-Disposition: inline; filename="' . $filename . '"');
 602                 header('Content-Length: ' . $this->size);
 603                 header('Content-Type: '   . $this->type);
 604                 @readfile($this->filename);
 605                 exit;
 606         }
 607 }
 608
 609 // ¥Õ¥¡¥¤¥ë¥³¥ó¥Æ¥Ê
 610 class AttachFiles
 611 {
 612         var $page;
 613         var $files = array();
 614
 615         function AttachFiles($page)
 616         {
 617                 $this->page = $page;
 618         }
 619
 620         function add($file, $age)
 621         {
 622                 $this->files[$file][$age] = & new AttachFile($this->page, $file, $age);
 623         }
 624
 625         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ
 626         function toString($flat)
 627         {
 628                 global $_title_cannotread;
 629
 630                 if (! check_readable($this->page, FALSE, FALSE)) {
 631                         return str_replace('$1', make_pagelink($this->page), $_title_cannotread);
 632                 } else if ($flat) {
 633                         return $this->to_flat();
 634                 }
 635
 636                 $ret = '';
 637                 $files = array_keys($this->files);
 638                 sort($files);
 639
 640                 foreach ($files as $file) {
 641                         $_files = array();
 642                         foreach (array_keys($this->files[$file]) as $age) {
 643                                 $_files[$age] = $this->files[$file][$age]->toString(FALSE, TRUE);
 644                         }
 645                         if (! isset($_files[0])) {
 646                                 $_files[0] = htmlspecialchars($file);
 647                         }
 648                         ksort($_files);
 649                         $_file = $_files[0];
 650                         unset($_files[0]);
 651                         $ret .= " <li>$_file\n";
 652                         if (count($_files)) {
 653                                 $ret .= "<ul>\n<li>" . join("</li>\n<li>", $_files) . "</li>\n</ul>\n";
 654                         }
 655                         $ret .= " </li>\n";
 656                 }
 657                 return make_pagelink($this->page) . "\n<ul>\n$ret</ul>\n";
 658         }
 659
 660         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ(inline)
 661         function to_flat()
 662         {
 663                 $ret = '';
 664                 $files = array();
 665                 foreach (array_keys($this->files) as $file) {
 666                         if (isset($this->files[$file][0])) {
 667                                 $files[$file] = & $this->files[$file][0];
 668                         }
 669                 }
 670                 uasort($files, array('AttachFile', 'datecomp'));
 671                 foreach (array_keys($files) as $file) {
 672                         $ret .= $files[$file]->toString(TRUE, TRUE) . ' ';
 673                 }
 674
 675                 return $ret;
 676         }
 677 }
 678
 679 // ¥Ú¡¼¥¸¥³¥ó¥Æ¥Ê
 680 class AttachPages
 681 {
 682         var $pages = array();
 683
 684         function AttachPages($page = '', $age = NULL)
 685         {
 686
 687                 $dir = opendir(UPLOAD_DIR) or
 688                         die('directory ' . UPLOAD_DIR . ' is not exist or not readable.');
 689
 690                 $page_pattern = ($page == '') ? '(?:[0-9A-F]{2})+' : preg_quote(encode($page), '/');
 691                 $age_pattern = ($age === NULL) ?
 692                         '(?:\.([0-9]+))?' : ($age ?  "\.($age)" : '');
 693                 $pattern = "/^({$page_pattern})_((?:[0-9A-F]{2})+){$age_pattern}$/";
 694
 695                 $matches = array();
 696                 while ($file = readdir($dir)) {
 697                         if (! preg_match($pattern, $file, $matches))
 698                                 continue;
 699
 700                         $_page = decode($matches[1]);
 701                         $_file = decode($matches[2]);
 702                         $_age  = isset($matches[3]) ? $matches[3] : 0;
 703                         if (! isset($this->pages[$_page])) {
 704                                 $this->pages[$_page] = & new AttachFiles($_page);
 705                         }
 706                         $this->pages[$_page]->add($_file, $_age);
 707                 }
 708                 closedir($dir);
 709         }
 710
 711         function toString($page = '', $flat = FALSE)
 712         {
 713                 global $non_list;
 714
 715                 if ($page != '') {
 716                         if (! isset($this->pages[$page])) {
 717                                 return '';
 718                         } else {
 719                                 return $this->pages[$page]->toString($flat);
 720                         }
 721                 }
 722                 $ret = '';
 723
 724                 $pages = array_keys($this->pages);
 725                 sort($pages);
 726
 727                 foreach ($pages as $page) {
 728                         if (preg_match("/$non_list/", $page)) continue;
 729                         $ret .= '<li>' . $this->pages[$page]->toString($flat) . "</li>\n";
 730                 }
 731                 return "\n<ul>\n" . $ret . "</ul>\n";
 732         }
 733 }
 734 ?>