plugin/attach.inc.php

   1 <?php
   2 /////////////////////////////////////////////////
   3 // PukiWiki - Yet another WikiWikiWeb clone.
   4 //
   5 //  $Id: attach.inc.php,v 1.42 2004/07/31 03:09:20 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 PukiWiki(default 1MB)
  19 define('MAX_FILESIZE',1000000);
  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 // ´ÉÍý¼Ô¤À¤±¤¬ÅºÉÕ¥Õ¥¡¥¤¥ë¤òºï½ü¤Ç¤¤ë¤è¤¦¤Ë¤¹¤ë
  24 define('ATTACH_DELETE_ADMIN_ONLY',FALSE); // FALSE or TRUE
  25 // ´ÉÍý¼Ô¤¬ÅºÉÕ¥Õ¥¡¥¤¥ë¤òºï½ü¤¹¤ë¤È¤¤Ï¡¢¥Ð¥Ã¥¯¥¢¥Ã¥×¤òºî¤é¤Ê¤¤
  26 // ATTACH_DELETE_ADMIN_ONLY=TRUE¤Î¤È¤Í¸ú
  27 define('ATTACH_DELETE_ADMIN_NOBACKUP',FALSE); // FALSE or TRUE
  28
  29 // ¥¢¥Ã¥×¥í¡¼¥É/ºï½ü»þ¤Ë¥Ñ¥¹¥ï¡¼¥É¤òÍ×µá¤¹¤ë(ADMIN_ONLY¤¬Í¥Àè)
  30 define('ATTACH_PASSWORD_REQUIRE',FALSE); // FALSE or TRUE
  31
  32 // ¥Õ¥¡¥¤¥ë¤Î¥¢¥¯¥»¥¹¸¢
  33 define('ATTACH_FILE_MODE',0644);
  34 //define('ATTACH_FILE_MODE',0604); // for XREA.COM
  35
  36 // file icon image
  37 if (!defined('FILE_ICON'))
  38 {
  39         define('FILE_ICON','<img src="' . IMAGE_DIR . 'file.png" width="20" height="20" alt="file" style="border-width:0px" />');
  40 }
  41
  42 // mime-type¤òµ½Ò¤·¤¿¥Ú¡¼¥¸
  43 define('ATTACH_CONFIG_PAGE_MIME','plugin/attach/mime-type');
  44
  45 //-------- convert
  46 function plugin_attach_convert()
  47 {
  48         global $vars;
  49
  50         if (!ini_get('file_uploads'))
  51         {
  52                 return 'file_uploads disabled';
  53         }
  54
  55         $nolist = $noform = FALSE;
  56
  57         if (func_num_args() > 0)
  58         {
  59                 foreach (func_get_args() as $arg)
  60                 {
  61                         $arg = strtolower($arg);
  62                         $nolist |= ($arg == 'nolist');
  63                         $noform |= ($arg == 'noform');
  64                 }
  65         }
  66         $ret = '';
  67         if (!$nolist)
  68         {
  69                 $obj = &new AttachPages($vars['page']);
  70                 $ret .= $obj->toString($vars['page'],TRUE);
  71         }
  72         if (!$noform)
  73         {
  74                 $ret .= attach_form($vars['page']);
  75         }
  76
  77         return $ret;
  78 }
  79
  80 //-------- action
  81 function plugin_attach_action()
  82 {
  83         global $vars;
  84
  85         // backward compatible
  86         if (array_key_exists('openfile',$vars))
  87         {
  88                 $vars['pcmd'] = 'open';
  89                 $vars['file'] = $vars['openfile'];
  90         }
  91         if (array_key_exists('delfile',$vars))
  92         {
  93                 $vars['pcmd'] = 'delete';
  94                 $vars['file'] = $vars['delfile'];
  95         }
  96
  97         $age = array_key_exists('age',$vars) ? $vars['age'] : 0;
  98         $pcmd = array_key_exists('pcmd',$vars) ? $vars['pcmd'] : '';
  99
 100         // Authentication
 101         if (array_key_exists('refer',$vars) and is_pagename($vars['refer']))
 102         {
 103                 $read_cmds = array('info','open','list');
 104                 in_array($pcmd,$read_cmds) ?
 105                         check_readable($vars['refer']) : check_editable($vars['refer']);
 106         }
 107
 108         // Upload
 109         if (array_key_exists('attach_file',$_FILES))
 110         {
 111                 $pass = isset($vars['pass']) ? $vars['pass'] : NULL;
 112                 return attach_upload($_FILES['attach_file'], $vars['refer'], $pass);
 113         }
 114
 115         switch ($pcmd)
 116         {
 117                 case 'info':    return attach_info();
 118                 case 'delete':  return attach_delete();
 119                 case 'open':    return attach_open();
 120                 case 'list':    return attach_list();
 121                 case 'freeze':  return attach_freeze(TRUE);
 122                 case 'unfreeze':return attach_freeze(FALSE);
 123                 case 'upload':  return attach_showform();
 124         }
 125         if ($vars['page'] == '' or !is_page($vars['page']))
 126         {
 127                 return attach_list();
 128         }
 129
 130         return attach_showform();
 131 }
 132 //-------- call from skin
 133 function attach_filelist()
 134 {
 135         global $vars,$_attach_messages;
 136
 137         $obj = &new AttachPages($vars['page'],0);
 138
 139         if (!array_key_exists($vars['page'],$obj->pages))
 140         {
 141                 return '';
 142         }
 143         return $_attach_messages['msg_file'].': '.$obj->toString($vars['page'],TRUE)."\n";
 144 }
 145 //-------- ¼ÂÂÎ
 146 //¥Õ¥¡¥¤¥ë¥¢¥Ã¥×¥í¡¼¥É
 147 function attach_upload($file,$page,$pass=NULL)
 148 {
 149 // $pass=NULL : ¥Ñ¥¹¥ï¡¼¥É¤¬»ØÄê¤µ¤ì¤Æ¤¤¤Ê¤¤
 150 // $pass=TRUE : ¥¢¥Ã¥×¥í¡¼¥Éµö²Ä
 151         global $_attach_messages;
 152
 153         if ($file['tmp_name'] == '' or !is_uploaded_file($file['tmp_name']))
 154         {
 155                 return array('result'=>FALSE);
 156         }
 157         if ($file['size'] > MAX_FILESIZE)
 158         {
 159                 return array('result'=>FALSE,'msg'=>$_attach_messages['err_exceed']);
 160         }
 161         if (!is_pagename($page) or ($pass !== TRUE and !is_editable($page)))
 162         {
 163                 return array('result'=>FALSE,'msg'=>$_attach_messages['err_noparm']);
 164         }
 165         if (ATTACH_UPLOAD_ADMIN_ONLY and $pass !== TRUE
 166                 and ($pass === NULL or ! pkwk_login($pass)))
 167         {
 168                 return array('result'=>FALSE,'msg'=>$_attach_messages['err_adminpass']);
 169         }
 170
 171         $obj = &new AttachFile($page,$file['name']);
 172
 173         if ($obj->exist)
 174         {
 175                 return array('result'=>FALSE,'msg'=>$_attach_messages['err_exists']);
 176         }
 177         if (move_uploaded_file($file['tmp_name'],$obj->filename))
 178         {
 179                 chmod($obj->filename,ATTACH_FILE_MODE);
 180         }
 181
 182         if (is_page($page))
 183         {
 184                 touch(get_filename($page));
 185         }
 186
 187         $obj->getstatus();
 188         $obj->status['pass'] = ($pass !== TRUE and $pass !== NULL) ? $pass : '';
 189         $obj->putstatus();
 190
 191         return array('result'=>TRUE,'msg'=>$_attach_messages['msg_uploaded']);
 192 }
 193 //¾ÜºÙ¥Õ¥©¡¼¥à¤òÉ½¼¨
 194 function attach_info($err='')
 195 {
 196         global $vars,$_attach_messages;
 197
 198         foreach (array('refer','file','age') as $var)
 199         {
 200                 $$var = array_key_exists($var,$vars) ? $vars[$var] : '';
 201         }
 202
 203         $obj = &new AttachFile($refer,$file,$age);
 204         return $obj->getstatus() ? $obj->info($err) : array('msg'=>$_attach_messages['err_notfound']);
 205 }
 206 //ºï½ü
 207 function attach_delete()
 208 {
 209         global $vars,$_attach_messages;
 210
 211         foreach (array('refer','file','age','pass') as $var)
 212         {
 213                 $$var = array_key_exists($var,$vars) ? $vars[$var] : '';
 214         }
 215
 216         if (is_freeze($refer) or !is_editable($refer))
 217         {
 218                 return array('msg'=>$_attach_messages['err_noparm']);
 219         }
 220
 221         $obj = &new AttachFile($refer,$file,$age);
 222         return $obj->getstatus() ? $obj->delete($pass) : array('msg'=>$_attach_messages['err_notfound']);
 223 }
 224 //Åà·ë
 225 function attach_freeze($freeze)
 226 {
 227         global $vars,$_attach_messages;
 228
 229         foreach (array('refer','file','age','pass') as $var)
 230         {
 231                 $$var = array_key_exists($var,$vars) ? $vars[$var] : '';
 232         }
 233
 234         if (is_freeze($refer) or !is_editable($refer))
 235         {
 236                 return array('msg'=>$_attach_messages['err_noparm']);
 237         }
 238
 239         $obj = &new AttachFile($refer,$file,$age);
 240         return $obj->getstatus() ? $obj->freeze($freeze,$pass) : array('msg'=>$_attach_messages['err_notfound']);
 241 }
 242 //¥À¥¦¥ó¥í¡¼¥É
 243 function attach_open()
 244 {
 245         global $vars,$_attach_messages;
 246
 247         foreach (array('refer','file','age') as $var)
 248         {
 249                 $$var = array_key_exists($var,$vars) ? $vars[$var] : '';
 250         }
 251
 252         $obj = &new AttachFile($refer,$file,$age);
 253         return $obj->getstatus() ? $obj->open() : array('msg'=>$_attach_messages['err_notfound']);
 254 }
 255 //°ìÍ÷¼èÆÀ
 256 function attach_list()
 257 {
 258         global $vars;
 259         global $_attach_messages;
 260
 261         $refer = array_key_exists('refer',$vars) ? $vars['refer'] : '';
 262
 263         $obj = &new AttachPages($refer);
 264
 265         $msg = $_attach_messages[$refer == '' ? 'msg_listall' : 'msg_listpage'];
 266         $body = ($refer == '' or array_key_exists($refer,$obj->pages)) ?
 267                 $obj->toString($refer,FALSE) :
 268                 $_attach_messages['err_noexist'];
 269         return array('msg'=>$msg,'body'=>$body);
 270 }
 271 //¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à¤òÉ½¼¨
 272 function attach_showform()
 273 {
 274         global $vars;
 275         global $_attach_messages;
 276
 277         $vars['refer'] = $vars['page'];
 278         $body = ini_get('file_uploads') ? attach_form($vars['page']) : 'file_uploads disabled.';
 279
 280         return array('msg'=>$_attach_messages['msg_upload'],'body'=>$body);
 281 }
 282
 283 //-------- ¥µ¡¼¥Ó¥¹
 284 //mime-type¤Î·èÄê
 285 function attach_mime_content_type($filename)
 286 {
 287         $type = 'application/octet-stream'; //default
 288
 289         if (!file_exists($filename))
 290         {
 291                 return $type;
 292         }
 293         $size = @getimagesize($filename);
 294         if (is_array($size))
 295         {
 296                 switch ($size[2])
 297                 {
 298                         case 1:
 299                                 return 'image/gif';
 300                         case 2:
 301                                 return 'image/jpeg';
 302                         case 3:
 303                                 return 'image/png';
 304                         case 4:
 305                                 return 'application/x-shockwave-flash';
 306                 }
 307         }
 308
 309         if (!preg_match('/_((?:[0-9A-F]{2})+)(?:\.\d+)?$/',$filename,$matches))
 310         {
 311                 return $type;
 312         }
 313         $filename = decode($matches[1]);
 314
 315         // mime-type°ìÍ÷É½¤ò¼èÆÀ
 316         $config = new Config(ATTACH_CONFIG_PAGE_MIME);
 317         $table = $config->read() ? $config->get('mime-type') : array();
 318         unset($config); // ¥á¥â¥êÀáÌó
 319
 320         foreach ($table as $row)
 321         {
 322                 $_type = trim($row[0]);
 323                 $exts = preg_split('/\s+|,/',trim($row[1]),-1,PREG_SPLIT_NO_EMPTY);
 324
 325                 foreach ($exts as $ext)
 326                 {
 327                         if (preg_match("/\.$ext$/i",$filename))
 328                         {
 329                                 return $_type;
 330                         }
 331                 }
 332         }
 333
 334         return $type;
 335 }
 336 //¥¢¥Ã¥×¥í¡¼¥É¥Õ¥©¡¼¥à
 337 function attach_form($page)
 338 {
 339         global $script,$vars;
 340         global $_attach_messages;
 341
 342         $r_page = rawurlencode($page);
 343         $s_page = htmlspecialchars($page);
 344         $navi = <<<EOD
 345   <span class="small">
 346    [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 347    [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 348   </span><br />
 349 EOD;
 350
 351         if (!(bool)ini_get('file_uploads'))
 352         {
 353                 return $navi;
 354         }
 355
 356         $maxsize = MAX_FILESIZE;
 357         $msg_maxsize = sprintf($_attach_messages['msg_maxsize'],number_format($maxsize/1000)."KB");
 358
 359         $pass = '';
 360         if (ATTACH_PASSWORD_REQUIRE or ATTACH_UPLOAD_ADMIN_ONLY)
 361         {
 362                 $title = $_attach_messages[ATTACH_UPLOAD_ADMIN_ONLY ? 'msg_adminpass' : 'msg_password'];
 363                 $pass = '<br />'.$title.': <input type="password" name="pass" size="8" />';
 364         }
 365         return <<<EOD
 366 <form enctype="multipart/form-data" action="$script" method="post">
 367  <div>
 368   <input type="hidden" name="plugin" value="attach" />
 369   <input type="hidden" name="pcmd" value="post" />
 370   <input type="hidden" name="refer" value="$s_page" />
 371   <input type="hidden" name="max_file_size" value="$maxsize" />
 372   $navi
 373   <span class="small">
 374    $msg_maxsize
 375   </span><br />
 376   {$_attach_messages['msg_file']}: <input type="file" name="attach_file" />
 377   $pass
 378   <input type="submit" value="{$_attach_messages['btn_upload']}" />
 379  </div>
 380 </form>
 381 EOD;
 382 }
 383 //-------- ¥¯¥é¥¹
 384 //¥Õ¥¡¥¤¥ë
 385 class AttachFile
 386 {
 387         var $page,$file,$age,$basename,$filename,$logname;
 388         var $time = 0;
 389         var $size = 0;
 390         var $time_str = '';
 391         var $size_str = '';
 392         var $status = array('count'=>array(0),'age'=>'','pass'=>'','freeze'=>FALSE);
 393
 394         function AttachFile($page,$file,$age=0)
 395         {
 396                 $this->page = $page;
 397                 $this->file = basename($file);
 398                 $this->age = is_numeric($age) ? $age : 0;
 399
 400                 $this->basename = UPLOAD_DIR.encode($page).'_'.encode($this->file);
 401                 $this->filename = $this->basename . ($age ? '.'.$age : '');
 402                 $this->logname = $this->basename.'.log';
 403                 $this->exist = file_exists($this->filename);
 404                 $this->time = $this->exist ? filemtime($this->filename) - LOCALZONE : 0;
 405                 $this->md5hash = $this->exist ? md5_file($this->filename) : '';
 406         }
 407         // ¥Õ¥¡¥¤¥ë¾ðÊó¼èÆÀ
 408         function getstatus()
 409         {
 410                 if (!$this->exist)
 411                 {
 412                         return FALSE;
 413                 }
 414                 // ¥í¥°¥Õ¥¡¥¤¥ë¼èÆÀ
 415                 if (file_exists($this->logname))
 416                 {
 417                         $data = file($this->logname);
 418                         foreach ($this->status as $key=>$value)
 419                         {
 420                                 $this->status[$key] = chop(array_shift($data));
 421                         }
 422                         $this->status['count'] = explode(',',$this->status['count']);
 423                 }
 424                 $this->time_str = get_date('Y/m/d H:i:s',$this->time);
 425                 $this->size = filesize($this->filename);
 426                 $this->size_str = sprintf('%01.1f',round($this->size)/1000,1).'KB';
 427                 $this->type = attach_mime_content_type($this->filename);
 428
 429                 return TRUE;
 430         }
 431         //¥¹¥Æ¡¼¥¿¥¹ÊÝÂ¸
 432         function putstatus()
 433         {
 434                 $this->status['count'] = join(',',$this->status['count']);
 435                 $fp = fopen($this->logname,'wb')
 436                         or die_message('cannot write '.$this->logname);
 437                 set_file_buffer($fp, 0);
 438                 flock($fp,LOCK_EX);
 439                 rewind($fp);
 440                 foreach ($this->status as $key=>$value)
 441                 {
 442                         fwrite($fp,$value."\n");
 443                 }
 444                 flock($fp,LOCK_UN);
 445                 fclose($fp);
 446         }
 447         // ÆüÉÕ¤ÎÈæ³Ó´Ø¿ô
 448         function datecomp($a,$b)
 449         {
 450                 return ($a->time == $b->time) ? 0 : (($a->time > $b->time) ? -1 : 1);
 451         }
 452         function toString($showicon,$showinfo)
 453         {
 454                 global $script,$date_format,$time_format,$weeklabels;
 455                 global $_attach_messages;
 456
 457                 $this->getstatus();
 458                 $param  = '&amp;file='.rawurlencode($this->file).'&amp;refer='.rawurlencode($this->page).
 459                         ($this->age ? '&amp;age='.$this->age : '');
 460                 $title = $this->time_str.' '.$this->size_str;
 461                 $label = ($showicon ? FILE_ICON : '').htmlspecialchars($this->file);
 462                 if ($this->age)
 463                 {
 464                         $label .= ' (backup No.'.$this->age.')';
 465                 }
 466                 $info = $count = '';
 467                 if ($showinfo)
 468                 {
 469                         $_title = str_replace('$1',rawurlencode($this->file),$_attach_messages['msg_info']);
 470                         $info = "\n<span class=\"small\">[<a href=\"$script?plugin=attach&amp;pcmd=info$param\" title=\"$_title\">{$_attach_messages['btn_info']}</a>]</span>";
 471                         $count = ($showicon and !empty($this->status['count'][$this->age])) ?
 472                                 sprintf($_attach_messages['msg_count'],$this->status['count'][$this->age]) : '';
 473                 }
 474                 return "<a href=\"$script?plugin=attach&amp;pcmd=open$param\" title=\"$title\">$label</a>$count$info";
 475         }
 476         // ¾ðÊóÉ½¼¨
 477         function info($err)
 478         {
 479                 global $script,$_attach_messages;
 480
 481                 $r_page = rawurlencode($this->page);
 482                 $s_page = htmlspecialchars($this->page);
 483                 $s_file = htmlspecialchars($this->file);
 484                 $s_err = ($err == '') ? '' : '<p style="font-weight:bold">'.$_attach_messages[$err].'</p>';
 485
 486                 if ($this->age)
 487                 {
 488                         $msg_freezed = '';
 489                         $msg_delete  = '<input type="radio" name="pcmd" value="delete" />'.$_attach_messages['msg_delete'];
 490                         $msg_delete .= $_attach_messages['msg_require'];
 491                         $msg_delete .= '<br />';
 492                         $msg_freeze  = '';
 493                 }
 494                 else
 495                 {
 496                         if ($this->status['freeze'])
 497                         {
 498                                 $msg_freezed = "<dd>{$_attach_messages['msg_isfreeze']}</dd>";
 499                                 $msg_delete = '';
 500                                 $msg_freeze  = '<input type="radio" name="pcmd" value="unfreeze" />'.$_attach_messages['msg_unfreeze'];
 501                                 $msg_freeze .= $_attach_messages['msg_require'].'<br />';
 502                         }
 503                         else
 504                         {
 505                                 $msg_freezed = '';
 506                                 $msg_delete = '<input type="radio" name="pcmd" value="delete" />'.$_attach_messages['msg_delete'];
 507                                 if (ATTACH_DELETE_ADMIN_ONLY or $this->age)
 508                                 {
 509                                         $msg_delete .= $_attach_messages['msg_require'];
 510                                 }
 511                                 $msg_delete .= '<br />';
 512                                 $msg_freeze  = '<input type="radio" name="pcmd" value="freeze" />'.$_attach_messages['msg_freeze'];
 513                                 $msg_freeze .= "{$_attach_messages['msg_require']}<br />";
 514                         }
 515                 }
 516                 $info = $this->toString(TRUE,FALSE);
 517
 518                 $retval = array('msg'=>sprintf($_attach_messages['msg_info'],htmlspecialchars($this->file)));
 519                 $retval['body'] = <<< EOD
 520 <p class="small">
 521  [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 522  [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 523 </p>
 524 <dl>
 525  <dt>$info</dt>
 526  <dd>{$_attach_messages['msg_page']}:$s_page</dd>
 527  <dd>{$_attach_messages['msg_filename']}:{$this->filename}</dd>
 528  <dd>{$_attach_messages['msg_md5hash']}:{$this->md5hash}</dd>
 529  <dd>{$_attach_messages['msg_filesize']}:{$this->size_str} ({$this->size} bytes)</dd>
 530  <dd>Content-type:{$this->type}</dd>
 531  <dd>{$_attach_messages['msg_date']}:{$this->time_str}</dd>
 532  <dd>{$_attach_messages['msg_dlcount']}:{$this->status['count'][$this->age]}</dd>
 533  $msg_freezed
 534 </dl>
 535 <hr />
 536 $s_err
 537 <form action="$script" method="post">
 538  <div>
 539   <input type="hidden" name="plugin" value="attach" />
 540   <input type="hidden" name="refer" value="$s_page" />
 541   <input type="hidden" name="file" value="$s_file" />
 542   <input type="hidden" name="age" value="{$this->age}" />
 543   $msg_delete
 544   $msg_freeze
 545   {$_attach_messages['msg_password']}: <input type="password" name="pass" size="8" />
 546   <input type="submit" value="{$_attach_messages['btn_submit']}" />
 547  </div>
 548 </form>
 549 EOD;
 550                 return $retval;
 551         }
 552         function delete($pass)
 553         {
 554                 global $_attach_messages;
 555
 556                 if ($this->status['freeze'])
 557                 {
 558                         return attach_info('msg_isfreeze');
 559                 }
 560
 561                 if (! pkwk_login($pass))
 562                 {
 563                         if (ATTACH_DELETE_ADMIN_ONLY or $this->age)
 564                         {
 565                                 return attach_info('err_adminpass');
 566                         }
 567                         else if (ATTACH_PASSWORD_REQUIRE and md5($pass) != $this->status['pass'])
 568                         {
 569                                 return attach_info('err_password');
 570                         }
 571                 }
 572                 //¥Ð¥Ã¥¯¥¢¥Ã¥×
 573                 if ($this->age or
 574                         (ATTACH_DELETE_ADMIN_ONLY and ATTACH_DELETE_ADMIN_NOBACKUP))
 575                 {
 576                         @unlink($this->filename);
 577                 }
 578                 else
 579                 {
 580                         do
 581                         {
 582                                 $age = ++$this->status['age'];
 583                         }
 584                         while (file_exists($this->basename.'.'.$age));
 585
 586                         if (!rename($this->basename,$this->basename.'.'.$age))
 587                         {
 588                                 // ºï½ü¼ºÇÔ why?
 589                                 return array('msg'=>$_attach_messages['err_delete']);
 590                         }
 591
 592                         $this->status['count'][$age] = $this->status['count'][0];
 593                         $this->status['count'][0] = 0;
 594                         $this->putstatus();
 595                 }
 596                 if (is_page($this->page))
 597                 {
 598                         touch(get_filename($this->page));
 599                 }
 600
 601                 return array('msg'=>$_attach_messages['msg_deleted']);
 602         }
 603         function freeze($freeze,$pass)
 604         {
 605                 if (! pkwk_login($pass))
 606                 {
 607                         return attach_info('err_adminpass');
 608                 }
 609
 610                 $this->getstatus();
 611                 $this->status['freeze'] = $freeze;
 612                 $this->putstatus();
 613
 614                 return array('msg'=>$_attach_messages[$freeze ? 'msg_freezed' : 'msg_unfreezed']);
 615         }
 616         function open()
 617         {
 618                 $this->getstatus();
 619                 $this->status['count'][$this->age]++;
 620                 $this->putstatus();
 621
 622                 // for japanese (???)
 623                 $filename = htmlspecialchars(mb_convert_encoding($this->file,'SJIS','auto'));
 624
 625                 ini_set('default_charset','');
 626                 mb_http_output('pass');
 627
 628                 header('Content-Disposition: inline; filename="'.$filename.'"');
 629                 header('Content-Length: '.$this->size);
 630                 header('Content-Type: '.$this->type);
 631                 @readfile($this->filename);
 632                 exit;
 633         }
 634 }
 635
 636 // ¥Õ¥¡¥¤¥ë¥³¥ó¥Æ¥Ê
 637 class AttachFiles
 638 {
 639         var $page;
 640         var $files = array();
 641
 642         function AttachFiles($page)
 643         {
 644                 $this->page = $page;
 645         }
 646         function add($file,$age)
 647         {
 648                 $this->files[$file][$age] = &new AttachFile($this->page,$file,$age);
 649         }
 650         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ
 651         function toString($flat)
 652         {
 653                 global $_title_cannotread;
 654
 655                 if (!check_readable($this->page,FALSE,FALSE))
 656                 {
 657                         return str_replace('$1',make_pagelink($this->page),$_title_cannotread);
 658                 }
 659                 if ($flat)
 660                 {
 661                         return $this->to_flat();
 662                 }
 663                 $ret = '';
 664                 $files = array_keys($this->files);
 665                 sort($files);
 666                 foreach ($files as $file)
 667                 {
 668                         $_files = array();
 669                         foreach (array_keys($this->files[$file]) as $age)
 670                         {
 671                                 $_files[$age] = $this->files[$file][$age]->toString(FALSE,TRUE);
 672                         }
 673                         if (!array_key_exists(0,$_files))
 674                         {
 675                                 $_files[0] = htmlspecialchars($file);
 676                         }
 677                         ksort($_files);
 678                         $_file = $_files[0];
 679                         unset($_files[0]);
 680                         $ret .= " <li>$_file\n";
 681                         if (count($_files))
 682                         {
 683                                 $ret .= "<ul>\n<li>".join("</li>\n<li>",$_files)."</li>\n</ul>\n";
 684                         }
 685                         $ret .= " </li>\n";
 686                 }
 687                 return make_pagelink($this->page)."\n<ul>\n$ret</ul>\n";
 688         }
 689         // ¥Õ¥¡¥¤¥ë°ìÍ÷¤ò¼èÆÀ(inline)
 690         function to_flat()
 691         {
 692                 $ret = '';
 693                 $files = array();
 694                 foreach (array_keys($this->files) as $file)
 695                 {
 696                         if (array_key_exists(0,$this->files[$file]))
 697                         {
 698                                 $files[$file] = &$this->files[$file][0];
 699                         }
 700                 }
 701                 uasort($files,array('AttachFile','datecomp'));
 702                 foreach (array_keys($files) as $file)
 703                 {
 704                         $ret .= $files[$file]->toString(TRUE,TRUE).' ';
 705                 }
 706
 707                 return $ret;
 708         }
 709 }
 710 // ¥Ú¡¼¥¸¥³¥ó¥Æ¥Ê
 711 class AttachPages
 712 {
 713         var $pages = array();
 714
 715         function AttachPages($page='',$age=NULL)
 716         {
 717
 718                 $dir = opendir(UPLOAD_DIR)
 719                         or die('directory '.UPLOAD_DIR.' is not exist or not readable.');
 720
 721                 $page_pattern = ($page == '') ? '(?:[0-9A-F]{2})+' : preg_quote(encode($page),'/');
 722                 $age_pattern = ($age === NULL) ?
 723                         '(?:\.([0-9]+))?' : ($age ?  "\.($age)" : '');
 724                 $pattern = "/^({$page_pattern})_((?:[0-9A-F]{2})+){$age_pattern}$/";
 725
 726                 while ($file = readdir($dir))
 727                 {
 728                         if (!preg_match($pattern,$file,$matches))
 729                         {
 730                                 continue;
 731                         }
 732                         $_page = decode($matches[1]);
 733                         $_file = decode($matches[2]);
 734                         $_age = array_key_exists(3,$matches) ? $matches[3] : 0;
 735                         if (!array_key_exists($_page,$this->pages))
 736                         {
 737                                 $this->pages[$_page] = &new AttachFiles($_page);
 738                         }
 739                         $this->pages[$_page]->add($_file,$_age);
 740                 }
 741                 closedir($dir);
 742         }
 743         function toString($page='',$flat=FALSE)
 744         {
 745                 if ($page != '')
 746                 {
 747                         if (!array_key_exists($page,$this->pages))
 748                         {
 749                                 return '';
 750                         }
 751                         return $this->pages[$page]->toString($flat);
 752                 }
 753                 $ret = '';
 754                 $pages = array_keys($this->pages);
 755                 sort($pages);
 756                 foreach ($pages as $page)
 757                 {
 758                         $ret .= '<li>'.$this->pages[$page]->toString($flat)."</li>\n";
 759                 }
 760                 return "\n<ul>\n".$ret."</ul>\n";
 761
 762         }
 763 }
 764 ?>