plugin/attach.inc.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 //  $Id: attach.inc.php,v 1.47 2004/08/05 14:16:42 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         if (! ini_get('file_uploads'))
  54                 return 'file_uploads disabled';
  55
  56         $nolist = $noform = FALSE;
  57         if (func_num_args() > 0) {
  58                 foreach (func_get_args() as $arg) {
  59                         $arg = strtolower($arg);
  60                         $nolist |= ($arg == 'nolist');
  61                         $noform |= ($arg == 'noform');
  62                 }
  63         }
  64
  65         $ret = '';
  66         if (! $nolist) {
  67                 $obj = &new AttachPages($vars['page']);
  68                 $ret .= $obj->toString($vars['page'], TRUE);
  69         }
  70         if (! $noform) {
  71                 $ret .= attach_form($vars['page']);
  72         }
  73
  74         return $ret;
  75 }
  76
  77 //-------- action
  78 function plugin_attach_action()
  79 {
  80         global $vars;
  81
  82         // backward compatible
  83         if (isset($vars['openfile'])) {
  84                 $vars['file'] = $vars['openfile'];
  85                 $vars['pcmd'] = 'open';
  86         }
  87         if (isset($vars['delfile'])) {
  88                 $vars['file'] = $vars['delfile'];
  89                 $vars['pcmd'] = 'delete';
  90         }
  91
  92         $pcmd  = isset($vars['pcmd'])  ? $vars['pcmd']  : '';
  93         $refer = isset($vars['refer']) ? $vars['refer'] : '';
  94         $pass  = isset($vars['pass'])  ? $vars['pass']  : NULL;
  95         $page  = isset($vars['page'])  ? $vars['page']  : '';
  96
  97         // Authentication
  98         if ($refer != '' and is_pagename($refer)) {
  99                 $read_cmds = array('info', 'open', 'list');
 100                 in_array($pcmd, $read_cmds) ?
 101                         check_readable($refer) :
 102                         check_editable($refer);
 103         }
 104
 105         // Upload
 106         if (isset($_FILES['attach_file']))
 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
 119         if ($page == '' or ! is_page($page)) {
 120                 return attach_list();
 121         } else {
 122                 return attach_showform();
 123         }
 124 }
 125
 126 //-------- call from skin
 127 function attach_filelist()
 128 {
 129         global $vars, $_attach_messages;
 130
 131         $page = isset($vars['page']) ? $vars['page'] : '';
 132
 133         $obj = & new AttachPages($page, 0);
 134
 135         if (! isset($obj->pages[$page])) {
 136                 return '';
 137         } else {
 138                 return $_attach_messages['msg_file'] . ': ' .
 139                 $obj->toString($page, TRUE) . "\n";
 140         }
 141 }
 142
 143 //-------- ¼ÂÂÎ
 144 //¥Õ¥¡¥¤¥ë¥¢¥Ã¥×¥í¡¼¥É
 145 function attach_upload($file, $page, $pass = NULL)
 146 {
 147 // $pass=NULL : ¥Ñ¥¹¥ï¡¼¥É¤¬»ØÄê¤µ¤ì¤Æ¤¤¤Ê¤¤
 148 // $pass=TRUE : ¥¢¥Ã¥×¥í¡¼¥Éµö²Ä
 149         global $_attach_messages;
 150
 151         if ($file['tmp_name'] == '' or ! is_uploaded_file($file['tmp_name'])) {
 152                 return array('result'=>FALSE);
 153         } else if ($file['size'] > MAX_FILESIZE) {
 154                 return array( 'result'=>FALSE,
 155                         'msg'=>$_attach_messages['err_exceed']);
 156         } else if (! is_pagename($page) or ($pass !== TRUE and ! is_editable($page))) {
 157                 return array( 'result'=>FALSE,'
 158                         msg'=>$_attach_messages['err_noparm']);
 159         } else if (ATTACH_UPLOAD_ADMIN_ONLY and $pass !== TRUE and
 160                   ($pass === NULL or ! pkwk_login($pass))) {
 161                 return array( 'result'=>FALSE,
 162                         'msg'=>$_attach_messages['err_adminpass']);
 163         }
 164
 165         $obj = & new AttachFile($page, $file['name']);
 166         if ($obj->exist) {
 167                 return array('result'=>FALSE,
 168                         'msg'=>$_attach_messages['err_exists']);
 169         }
 170
 171         if (move_uploaded_file($file['tmp_name'], $obj->filename)) {
 172                 chmod($obj->filename, ATTACH_FILE_MODE);
 173         }
 174
 175         if (is_page($page)) {
 176                 touch(get_filename($page));
 177         }
 178
 179         $obj->getstatus();
 180         $obj->status['pass'] = ($pass !== TRUE and $pass !== NULL) ? $pass : '';
 181         $obj->putstatus();
 182
 183         return array('result'=>TRUE,
 184                 'msg'=>$_attach_messages['msg_uploaded']);
 185 }
 186
 187 //¾ÜºÙ¥Õ¥©¡¼¥à¤òÉ½¼¨
 188 function attach_info($err = '')
 189 {
 190         global $vars, $_attach_messages;
 191
 192         foreach (array('refer', 'file', 'age') as $var) {
 193                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 194         }
 195
 196         $obj = & new AttachFile($refer, $file, $age);
 197         return $obj->getstatus() ?
 198                 $obj->info($err) :
 199                 array('msg'=>$_attach_messages['err_notfound']);
 200 }
 201
 202 //ºï½ü
 203 function attach_delete()
 204 {
 205         global $vars, $_attach_messages;
 206
 207         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 208                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 209         }
 210
 211         if (is_freeze($refer) or ! is_editable($refer)) {
 212                 return array('msg'=>$_attach_messages['err_noparm']);
 213         } else {
 214                 $obj = & new AttachFile($refer, $file, $age);
 215                 return $obj->getstatus() ?
 216                         $obj->delete($pass) :
 217                         array('msg'=>$_attach_messages['err_notfound']);
 218         }
 219 }
 220
 221 //Åà·ë
 222 function attach_freeze($freeze)
 223 {
 224         global $vars, $_attach_messages;
 225
 226         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 227                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 228         }
 229
 230         if (is_freeze($refer) or ! is_editable($refer)) {
 231                 return array('msg'=>$_attach_messages['err_noparm']);
 232         } else {
 233                 $obj = & new AttachFile($refer, $file, $age);
 234                 return $obj->getstatus() ?
 235                         $obj->freeze($freeze, $pass) :
 236                         array('msg'=>$_attach_messages['err_notfound']);
 237         }
 238 }
 239
 240 //¥À¥¦¥ó¥í¡¼¥É
 241 function attach_open()
 242 {
 243         global $vars, $_attach_messages;
 244
 245         foreach (array('refer', 'file', 'age') as $var) {
 246                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 247         }
 248
 249         $obj = & new AttachFile($refer, $file, $age);
 250         return $obj->getstatus() ?
 251                 $obj->open() :
 252                 array('msg'=>$_attach_messages['err_notfound']);
 253 }
 254
 255 //°ìÍ÷¼èÆÀ
 256 function attach_list()
 257 {
 258         global $vars, $_attach_messages;
 259
 260         $refer = isset($vars['refer']) ? $vars['refer'] : '';
 261
 262         $obj = & new AttachPages($refer);
 263
 264         $msg = $_attach_messages[($refer == '') ? 'msg_listall' : 'msg_listpage'];
 265         $body = ($refer == '' or isset($obj->pages[$refer])) ?
 266                 $obj->toString($refer, FALSE) :
 267                 $_attach_messages['err_noexist'];
 268
 269         return array('msg'=>$msg, 'body'=>$body);
 270 }
 271
 272 //¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à¤òÉ½¼¨
 273 function attach_showform()
 274 {
 275         global $vars, $_attach_messages;
 276
 277         $page = isset($vars['page']) ? $vars['page'] : '';
 278
 279         $vars['refer'] = $page;
 280         $body = ini_get('file_uploads') ? attach_form($page) : 'file_uploads disabled.';
 281
 282         return array('msg'=>$_attach_messages['msg_upload'], 'body'=>$body);
 283 }
 284
 285 //-------- ¥µ¡¼¥Ó¥¹
 286 //mime-type¤Î·èÄê
 287 function attach_mime_content_type($filename)
 288 {
 289         $type = 'application/octet-stream'; //default
 290
 291         if (! file_exists($filename)) return $type;
 292
 293         $size = @getimagesize($filename);
 294         if (is_array($size)) {
 295                 switch ($size[2]) {
 296                         case 1: return 'image/gif';
 297                         case 2: return 'image/jpeg';
 298                         case 3: return 'image/png';
 299                         case 4: return 'application/x-shockwave-flash';
 300                 }
 301         }
 302
 303         $matches = array();
 304         if (! preg_match('/_((?:[0-9A-F]{2})+)(?:\.\d+)?$/', $filename, $matches))
 305                 return $type;
 306
 307         $filename = decode($matches[1]);
 308
 309         // mime-type°ìÍ÷É½¤ò¼èÆÀ
 310         $config = new Config(ATTACH_CONFIG_PAGE_MIME);
 311         $table = $config->read() ? $config->get('mime-type') : array();
 312         unset($config); // ¥á¥â¥êÀáÌó
 313
 314         foreach ($table as $row) {
 315                 $_type = trim($row[0]);
 316                 $exts = preg_split('/\s+|,/', trim($row[1]), -1, PREG_SPLIT_NO_EMPTY);
 317                 foreach ($exts as $ext) {
 318                         if (preg_match("/\.$ext$/i", $filename)) return $_type;
 319                 }
 320         }
 321
 322         return $type;
 323 }
 324
 325 //¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à
 326 function attach_form($page)
 327 {
 328         global $script, $vars, $_attach_messages;
 329
 330         $r_page = rawurlencode($page);
 331         $s_page = htmlspecialchars($page);
 332         $navi = <<<EOD
 333   <span class="small">
 334    [<a href="$script?plugin=attach&pcmd=list&refer=$r_page">{$_attach_messages['msg_list']}</a>]
 335    [<a href="$script?plugin=attach&pcmd=list">{$_attach_messages['msg_listall']}</a>]
 336   </span><br />
 337 EOD;
 338
 339         if (! (bool)ini_get('file_uploads')) return $navi;
 340
 341         $maxsize = MAX_FILESIZE;
 342         $msg_maxsize = sprintf($_attach_messages['msg_maxsize'], number_format($maxsize/1024) . 'KB');
 343
 344         $pass = '';
 345         if (ATTACH_PASSWORD_REQUIRE or ATTACH_UPLOAD_ADMIN_ONLY) {
 346                 $title = $_attach_messages[ATTACH_UPLOAD_ADMIN_ONLY ? 'msg_adminpass' : 'msg_password'];
 347                 $pass = '<br />' . $title . ': <input type="password" name="pass" size="8" />';
 348         }
 349         return <<<EOD
 350 <form enctype="multipart/form-data" action="$script" method="post">
 351  <div>
 352   <input type="hidden" name="plugin" value="attach" />
 353   <input type="hidden" name="pcmd"   value="post" />
 354   <input type="hidden" name="refer"  value="$s_page" />
 355   <input type="hidden" name="max_file_size" value="$maxsize" />
 356   $navi
 357   <span class="small">
 358    $msg_maxsize
 359   </span><br />
 360   {$_attach_messages['msg_file']}: <input type="file" name="attach_file" />
 361   $pass
 362   <input type="submit" value="{$_attach_messages['btn_upload']}" />
 363  </div>
 364 </form>
 365 EOD;
 366 }
 367
 368 //-------- ¥¯¥é¥¹
 369 //¥Õ¥¡¥¤¥ë
 370 class AttachFile
 371 {
 372         var $page, $file, $age, $basename, $filename, $logname;
 373         var $time = 0;
 374         var $size = 0;
 375         var $time_str = '';
 376         var $size_str = '';
 377         var $status = array('count'=>array(0), 'age'=>'', 'pass'=>'', 'freeze'=>FALSE);
 378
 379         function AttachFile($page, $file, $age = 0)
 380         {
 381                 $this->page = $page;
 382                 $this->file = basename($file);
 383                 $this->age  = is_numeric($age) ? $age : 0;
 384
 385                 $this->basename = UPLOAD_DIR . encode($page) . '_' . encode($this->file);
 386                 $this->filename = $this->basename . ($age ? '.' . $age : '');
 387                 $this->logname  = $this->basename . '.log';
 388                 $this->exist    = file_exists($this->filename);
 389                 $this->time     = $this->exist ? filemtime($this->filename) - LOCALZONE : 0;
 390                 $this->md5hash  = $this->exist ? md5_file($this->filename) : '';
 391         }
 392
 393         // ¥Õ¥¡¥¤¥ë¾ðÊó¼èÆÀ
 394         function getstatus()
 395         {
 396                 if (! $this->exist) return FALSE;
 397
 398                 // ¥í¥°¥Õ¥¡¥¤¥ë¼èÆÀ
 399                 if (file_exists($this->logname)) {
 400                         $data = file($this->logname);
 401                         foreach ($this->status as $key=>$value) {
 402                                 $this->status[$key] = chop(array_shift($data));
 403                         }
 404                         $this->status['count'] = explode(',', $this->status['count']);
 405                 }
 406                 $this->time_str = get_date('Y/m/d H:i:s', $this->time);
 407                 $this->size     = filesize($this->filename);
 408                 $this->size_str = sprintf('%01.1f', round($this->size/1024, 1)) . 'KB';
 409                 $this->type     = attach_mime_content_type($this->filename);
 410
 411                 return TRUE;
 412         }
 413
 414         //¥¹¥Æ¡¼¥¿¥¹ÊÝÂ¸
 415         function putstatus()
 416         {
 417                 $this->status['count'] = join(',', $this->status['count']);
 418                 $fp = fopen($this->logname, 'wb') or
 419                         die_message('cannot write ' . $this->logname);
 420                 set_file_buffer($fp, 0);
 421                 flock($fp, LOCK_EX);
 422                 rewind($fp);
 423                 foreach ($this->status as $key=>$value) {
 424                         fwrite($fp, $value . "\n");
 425                 }
 426                 flock($fp, LOCK_UN);
 427                 fclose($fp);
 428         }
 429
 430         // ÆüÉÕ¤ÎÈæ³Ó´Ø¿ô
 431         function datecomp($a, $b) {
 432                 return ($a->time == $b->time) ? 0 : (($a->time > $b->time) ? -1 : 1);
 433         }
 434
 435         function toString($showicon, $showinfo)
 436         {
 437                 global $script, $_attach_messages;
 438
 439                 $this->getstatus();
 440                 $param  = '&file=' . rawurlencode($this->file) . '&refer=' . rawurlencode($this->page) .
 441                         ($this->age ? '&age=' . $this->age : '');
 442                 $title = $this->time_str . ' ' . $this->size_str;
 443                 $label = ($showicon ? FILE_ICON : '') . htmlspecialchars($this->file);
 444                 if ($this->age) {
 445                         $label .= ' (backup No.' . $this->age . ')';
 446                 }
 447                 $info = $count = '';
 448                 if ($showinfo) {
 449                         $_title = str_replace('$1', rawurlencode($this->file), $_attach_messages['msg_info']);
 450                         $info = "\n<span class=\"small\">[<a href=\"$script?plugin=attach&pcmd=info$param\" title=\"$_title\">{$_attach_messages['btn_info']}</a>]</span>";
 451                         $count = ($showicon and ! empty($this->status['count'][$this->age])) ?
 452                                 sprintf($_attach_messages['msg_count'], $this->status['count'][$this->age]) : '';
 453                 }
 454                 return "<a href=\"$script?plugin=attach&pcmd=open$param\" title=\"$title\">$label</a>$count$info";
 455         }
 456
 457         // ¾ðÊóÉ½¼¨
 458         function info($err)
 459         {
 460                 global $script, $_attach_messages;
 461
 462                 $r_page = rawurlencode($this->page);
 463                 $s_page = htmlspecialchars($this->page);
 464                 $s_file = htmlspecialchars($this->file);
 465                 $s_err = ($err == '') ? '' : '<p style="font-weight:bold">' . $_attach_messages[$err] . '</p>';
 466
 467                 if ($this->age) {
 468                         $msg_freezed = '';
 469                         $msg_delete  = '<input type="radio" name="pcmd" value="delete" />' .
 470                                 $_attach_messages['msg_delete'] .
 471                                 $_attach_messages['msg_require'] . '<br />';
 472                         $msg_freeze  = '';
 473                 } else {
 474                         if ($this->status['freeze']) {
 475                                 $msg_freezed = "<dd>{$_attach_messages['msg_isfreeze']}</dd>";
 476                                 $msg_delete  = '';
 477                                 $msg_freeze  = '<input type="radio" name="pcmd" value="unfreeze" />' .
 478                                         $_attach_messages['msg_unfreeze'] .
 479                                         $_attach_messages['msg_require'] . '<br />';
 480                         } else {
 481                                 $msg_freezed = '';
 482                                 $msg_delete = '<input type="radio" name="pcmd" value="delete" />' .
 483                                         $_attach_messages['msg_delete'];
 484                                 if (ATTACH_DELETE_ADMIN_ONLY or $this->age) {
 485                                         $msg_delete .= $_attach_messages['msg_require'];
 486                                 }
 487                                 $msg_delete .= '<br />';
 488                                 $msg_freeze  = '<input type="radio" name="pcmd" value="freeze" />' .
 489                                         $_attach_messages['msg_freeze'] .
 490                                         $_attach_messages['msg_require'] . '<br />';
 491                         }
 492                 }
 493                 $info = $this->toString(TRUE, FALSE);
 494
 495                 $retval = array('msg'=>sprintf($_attach_messages['msg_info'], htmlspecialchars($this->file)));
 496                 $retval['body'] = <<< EOD
 497 <p class="small">
 498  [<a href="$script?plugin=attach&pcmd=list&refer=$r_page">{$_attach_messages['msg_list']}</a>]
 499  [<a href="$script?plugin=attach&pcmd=list">{$_attach_messages['msg_listall']}</a>]
 500 </p>
 501 <dl>
 502  <dt>$info</dt>
 503  <dd>{$_attach_messages['msg_page']}:$s_page</dd>
 504  <dd>{$_attach_messages['msg_filename']}:{$this->filename}</dd>
 505  <dd>{$_attach_messages['msg_md5hash']}:{$this->md5hash}</dd>
 506  <dd>{$_attach_messages['msg_filesize']}:{$this->size_str} ({$this->size} bytes)</dd>
 507  <dd>Content-type:{$this->type}</dd>
 508  <dd>{$_attach_messages['msg_date']}:{$this->time_str}</dd>
 509  <dd>{$_attach_messages['msg_dlcount']}:{$this->status['count'][$this->age]}</dd>
 510  $msg_freezed
 511 </dl>
 512 <hr />
 513 $s_err
 514 <form action="$script" method="post">
 515  <div>
 516   <input type="hidden" name="plugin" value="attach" />
 517   <input type="hidden" name="refer" value="$s_page" />
 518   <input type="hidden" name="file" value="$s_file" />
 519   <input type="hidden" name="age" value="{$this->age}" />
 520   $msg_delete
 521   $msg_freeze
 522   {$_attach_messages['msg_password']}: <input type="password" name="pass" size="8" />
 523   <input type="submit" value="{$_attach_messages['btn_submit']}" />
 524  </div>
 525 </form>
 526 EOD;
 527                 return $retval;
 528         }
 529
 530         function delete($pass)
 531         {
 532                 global $_attach_messages;
 533
 534                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 535
 536                 if (! pkwk_login($pass)) {
 537                         if (ATTACH_DELETE_ADMIN_ONLY or $this->age) {
 538                                 return attach_info('err_adminpass');
 539                         } else if (ATTACH_PASSWORD_REQUIRE and
 540                                 md5($pass) != $this->status['pass']) {
 541                                 return attach_info('err_password');
 542                         }
 543                 }
 544
 545                 //¥Ð¥Ã¥¯¥¢¥Ã¥×
 546                 if ($this->age or
 547                         (ATTACH_DELETE_ADMIN_ONLY and ATTACH_DELETE_ADMIN_NOBACKUP)) {
 548                         @unlink($this->filename);
 549                 } else {
 550                         do {
 551                                 $age = ++$this->status['age'];
 552                         } while (file_exists($this->basename . '.' . $age));
 553
 554                         if (! rename($this->basename,$this->basename . '.' . $age)) {
 555                                 // ºï½ü¼ºÇÔ why?
 556                                 return array('msg'=>$_attach_messages['err_delete']);
 557                         }
 558
 559                         $this->status['count'][$age] = $this->status['count'][0];
 560                         $this->status['count'][0] = 0;
 561                         $this->putstatus();
 562                 }
 563
 564                 if (is_page($this->page)) {
 565                         touch(get_filename($this->page));
 566                 }
 567
 568                 return array('msg'=>$_attach_messages['msg_deleted']);
 569         }
 570
 571         function freeze($freeze, $pass)
 572         {
 573                 global $_attach_messages;
 574
 575                 if (! pkwk_login($pass)) return attach_info('err_adminpass');
 576
 577                 $this->getstatus();
 578                 $this->status['freeze'] = $freeze;
 579                 $this->putstatus();
 580
 581                 return array('msg'=>$_attach_messages[$freeze ? 'msg_freezed' : 'msg_unfreezed']);
 582         }
 583
 584         function open()
 585         {
 586                 $this->getstatus();
 587                 $this->status['count'][$this->age]++;
 588                 $this->putstatus();
 589
 590                 // for Japanese (???)
 591                 $filename = htmlspecialchars(mb_convert_encoding($this->file,'SJIS','auto'));
 592
 593                 ini_set('default_charset', '');
 594                 mb_http_output('pass');
 595
 596                 header('Content-Disposition: inline; filename="' . $filename . '"');
 597                 header('Content-Length: ' . $this->size);
 598                 header('Content-Type: ' . $this->type);
 599                 @readfile($this->filename);
 600                 exit;
 601         }
 602 }
 603
 604 // ¥Õ¥¡¥¤¥ë¥³¥ó¥Æ¥Ê
 605 class AttachFiles
 606 {
 607         var $page;
 608         var $files = array();
 609
 610         function AttachFiles($page)
 611         {
 612                 $this->page = $page;
 613         }
 614
 615         function add($file, $age)
 616         {
 617                 $this->files[$file][$age] = & new AttachFile($this->page, $file, $age);
 618         }
 619
 620         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ
 621         function toString($flat)
 622         {
 623                 global $_title_cannotread;
 624
 625                 if (! check_readable($this->page, FALSE, FALSE)) {
 626                         return str_replace('$1', make_pagelink($this->page), $_title_cannotread);
 627                 } else if ($flat) {
 628                         return $this->to_flat();
 629                 }
 630
 631                 $ret = '';
 632                 $files = array_keys($this->files);
 633                 sort($files);
 634
 635                 foreach ($files as $file) {
 636                         $_files = array();
 637                         foreach (array_keys($this->files[$file]) as $age) {
 638                                 $_files[$age] = $this->files[$file][$age]->toString(FALSE, TRUE);
 639                         }
 640                         if (! isset($_files[0])) {
 641                                 $_files[0] = htmlspecialchars($file);
 642                         }
 643                         ksort($_files);
 644                         $_file = $_files[0];
 645                         unset($_files[0]);
 646                         $ret .= " <li>$_file\n";
 647                         if (count($_files)) {
 648                                 $ret .= "<ul>\n<li>" . join("</li>\n<li>", $_files) . "</li>\n</ul>\n";
 649                         }
 650                         $ret .= " </li>\n";
 651                 }
 652                 return make_pagelink($this->page) . "\n<ul>\n$ret</ul>\n";
 653         }
 654
 655         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ(inline)
 656         function to_flat()
 657         {
 658                 $ret = '';
 659                 $files = array();
 660                 foreach (array_keys($this->files) as $file) {
 661                         if (isset($this->files[$file][0])) {
 662                                 $files[$file] = & $this->files[$file][0];
 663                         }
 664                 }
 665                 uasort($files, array('AttachFile', 'datecomp'));
 666                 foreach (array_keys($files) as $file) {
 667                         $ret .= $files[$file]->toString(TRUE, TRUE) . ' ';
 668                 }
 669
 670                 return $ret;
 671         }
 672 }
 673
 674 // ¥Ú¡¼¥¸¥³¥ó¥Æ¥Ê
 675 class AttachPages
 676 {
 677         var $pages = array();
 678
 679         function AttachPages($page = '', $age = NULL)
 680         {
 681
 682                 $dir = opendir(UPLOAD_DIR) or
 683                         die('directory ' . UPLOAD_DIR . ' is not exist or not readable.');
 684
 685                 $page_pattern = ($page == '') ? '(?:[0-9A-F]{2})+' : preg_quote(encode($page), '/');
 686                 $age_pattern = ($age === NULL) ?
 687                         '(?:\.([0-9]+))?' : ($age ?  "\.($age)" : '');
 688                 $pattern = "/^({$page_pattern})_((?:[0-9A-F]{2})+){$age_pattern}$/";
 689
 690                 $matches = array();
 691                 while ($file = readdir($dir)) {
 692                         if (! preg_match($pattern, $file, $matches))
 693                                 continue;
 694
 695                         $_page = decode($matches[1]);
 696                         $_file = decode($matches[2]);
 697                         $_age  = $matches[3] ? $matches[3] : 0;
 698                         if (! isset($this->pages[$_page])) {
 699                                 $this->pages[$_page] = & new AttachFiles($_page);
 700                         }
 701                         $this->pages[$_page]->add($_file, $_age);
 702                 }
 703                 closedir($dir);
 704         }
 705
 706         function toString($page = '', $flat = FALSE)
 707         {
 708                 global $non_list;
 709
 710                 if ($page != '') {
 711                         if (! isset($this->pages[$page])) {
 712                                 return '';
 713                         } else {
 714                                 return $this->pages[$page]->toString($flat);
 715                         }
 716                 }
 717                 $ret = '';
 718
 719                 $pages = array_keys($this->pages);
 720                 sort($pages);
 721
 722                 foreach ($pages as $page) {
 723                         if (preg_match("/$non_list/", $page)) continue;
 724                         $ret .= '<li>' . $this->pages[$page]->toString($flat) . "</li>\n";
 725                 }
 726                 return "\n<ul>\n" . $ret . "</ul>\n";
 727         }
 728 }
 729 ?>