plugin/attach.inc.php

   1 <?php
   2 // PukiWiki - Yet another WikiWikiWeb clone
   3 // attach.inc.php
   4 // Copyright
   5 //   2003-2016 PukiWiki Development Team
   6 //   2002-2003 PANDA <panda@arino.jp> http://home.arino.jp/
   7 //   2002      Y.MASUI <masui@hisec.co.jp> http://masui.net/pukiwiki/
   8 //   2001-2002 Originally written by yu-ji
   9 // License: GPL v2 or (at your option) any later version
  10 //
  11 // File attach plugin
  12
  13 // NOTE (PHP > 4.2.3):
  14 //    This feature is disabled at newer version of PHP.
  15 //    Set this at php.ini if you want.
  16 // Max file size for upload on PHP (PHP default: 2MB)
  17 ini_set('upload_max_filesize', '2M');
  18
  19 // Max file size for upload on script of PukiWikiX_FILESIZE
  20 define('PLUGIN_ATTACH_MAX_FILESIZE', (1024 * 1024)); // default: 1MB
  21
  22 // 管理者だけが添付ファイルをアップロードできるようにする
  23 define('PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY', TRUE); // FALSE or TRUE
  24
  25 // 管理者だけが添付ファイルを削除できるようにする
  26 define('PLUGIN_ATTACH_DELETE_ADMIN_ONLY', TRUE); // FALSE or TRUE
  27
  28 // 管理者が添付ファイルを削除するときは、バックアップを作らない
  29 // PLUGIN_ATTACH_DELETE_ADMIN_ONLY=TRUEのとき有効
  30 define('PLUGIN_ATTACH_DELETE_ADMIN_NOBACKUP', FALSE); // FALSE or TRUE
  31
  32 // アップロード/削除時にパスワードを要求する(ADMIN_ONLYが優先)
  33 define('PLUGIN_ATTACH_PASSWORD_REQUIRE', FALSE); // FALSE or TRUE
  34
  35 // 添付ファイル名を変更できるようにする
  36 define('PLUGIN_ATTACH_RENAME_ENABLE', TRUE); // FALSE or TRUE
  37
  38 // ファイルのアクセス権
  39 define('PLUGIN_ATTACH_FILE_MODE', 0644);
  40 //define('PLUGIN_ATTACH_FILE_MODE', 0604); // for XREA.COM
  41
  42 // File icon image
  43 define('PLUGIN_ATTACH_FILE_ICON', '<img src="' . IMAGE_DIR .  'file.png"' .
  44         ' width="20" height="20" alt="file"' .
  45         ' style="border-width:0px" />');
  46
  47 // mime-typeを記述したページ
  48 define('PLUGIN_ATTACH_CONFIG_PAGE_MIME', 'plugin/attach/mime-type');
  49
  50 //-------- convert
  51 function plugin_attach_convert()
  52 {
  53         global $vars;
  54
  55         $page = isset($vars['page']) ? $vars['page'] : '';
  56
  57         $nolist = $noform = FALSE;
  58         if (func_num_args() > 0) {
  59                 foreach (func_get_args() as $arg) {
  60                         $arg = strtolower($arg);
  61                         $nolist |= ($arg == 'nolist');
  62                         $noform |= ($arg == 'noform');
  63                 }
  64         }
  65
  66         $ret = '';
  67         if (! $nolist) {
  68                 $obj  = new AttachPages($page);
  69                 $ret .= $obj->toString($page, TRUE);
  70         }
  71         if (! $noform) {
  72                 $ret .= attach_form($page);
  73         }
  74
  75         return $ret;
  76 }
  77
  78 //-------- action
  79 function plugin_attach_action()
  80 {
  81         global $vars, $_attach_messages;
  82
  83         // Backward compatible
  84         if (isset($vars['openfile'])) {
  85                 $vars['file'] = $vars['openfile'];
  86                 $vars['pcmd'] = 'open';
  87         }
  88         if (isset($vars['delfile'])) {
  89                 $vars['file'] = $vars['delfile'];
  90                 $vars['pcmd'] = 'delete';
  91         }
  92
  93         $pcmd  = isset($vars['pcmd'])  ? $vars['pcmd']  : '';
  94         $refer = isset($vars['refer']) ? $vars['refer'] : '';
  95         $pass  = isset($vars['pass'])  ? $vars['pass']  : NULL;
  96         $page  = isset($vars['page'])  ? $vars['page']  : '';
  97
  98         if ($refer != '' && is_pagename($refer)) {
  99                 if(in_array($pcmd, array('info', 'open', 'list'))) {
 100                         check_readable($refer);
 101                 } else {
 102                         check_editable($refer);
 103                 }
 104         }
 105
 106         // Dispatch
 107         if (isset($_FILES['attach_file'])) {
 108                 // Upload
 109                 return attach_upload($_FILES['attach_file'], $refer, $pass);
 110         } else {
 111                 switch ($pcmd) {
 112                 case 'delete':  /*FALLTHROUGH*/
 113                 case 'freeze':
 114                 case 'unfreeze':
 115                         if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
 116                 }
 117                 switch ($pcmd) {
 118                 case 'info'     : return attach_info();
 119                 case 'delete'   : return attach_delete();
 120                 case 'open'     : return attach_open();
 121                 case 'list'     : return attach_list();
 122                 case 'freeze'   : return attach_freeze(TRUE);
 123                 case 'unfreeze' : return attach_freeze(FALSE);
 124                 case 'rename'   : return attach_rename();
 125                 case 'upload'   : return attach_showform();
 126                 }
 127                 if ($page == '' || ! is_page($page)) {
 128                         return attach_list();
 129                 } else {
 130                         return attach_showform();
 131                 }
 132         }
 133 }
 134
 135 //-------- call from skin
 136 function attach_filelist()
 137 {
 138         global $vars, $_attach_messages;
 139
 140         $page = isset($vars['page']) ? $vars['page'] : '';
 141
 142         $obj = new AttachPages($page, 0);
 143
 144         if (! isset($obj->pages[$page])) {
 145                 return '';
 146         } else {
 147                 return $_attach_messages['msg_file'] . ': ' .
 148                 $obj->toString($page, TRUE) . "\n";
 149         }
 150 }
 151
 152 //-------- 実体
 153 // ファイルアップロード
 154 // $pass = NULL : パスワードが指定されていない
 155 // $pass = TRUE : アップロード許可
 156 function attach_upload($file, $page, $pass = NULL)
 157 {
 158         global $_attach_messages, $notify, $notify_subject;
 159
 160         if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
 161
 162         // Check query-string
 163         $query = 'plugin=attach&amp;pcmd=info&amp;refer=' . rawurlencode($page) .
 164                 '&amp;file=' . rawurlencode($file['name']);
 165
 166         if (PKWK_QUERY_STRING_MAX && strlen($query) > PKWK_QUERY_STRING_MAX) {
 167                 pkwk_common_headers();
 168                 echo('Query string (page name and/or file name) too long');
 169                 exit;
 170         } else if (! is_page($page)) {
 171                 die_message('No such page');
 172         } else if ($file['tmp_name'] == '' || ! is_uploaded_file($file['tmp_name'])) {
 173                 return array('result'=>FALSE);
 174         } else if ($file['size'] > PLUGIN_ATTACH_MAX_FILESIZE) {
 175                 return array(
 176                         'result'=>FALSE,
 177                         'msg'=>$_attach_messages['err_exceed']);
 178         } else if (! is_pagename($page) || ($pass !== TRUE && ! is_editable($page))) {
 179                 return array(
 180                         'result'=>FALSE,'
 181                         msg'=>$_attach_messages['err_noparm']);
 182         } else if (PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
 183                   ($pass === NULL || ! pkwk_login($pass))) {
 184                 return array(
 185                         'result'=>FALSE,
 186                         'msg'=>$_attach_messages['err_adminpass']);
 187         }
 188
 189         $obj = new AttachFile($page, $file['name']);
 190         if ($obj->exist)
 191                 return array('result'=>FALSE,
 192                         'msg'=>$_attach_messages['err_exists']);
 193
 194         if (move_uploaded_file($file['tmp_name'], $obj->filename))
 195                 chmod($obj->filename, PLUGIN_ATTACH_FILE_MODE);
 196
 197         if (is_page($page))
 198                 pkwk_touch_file(get_filename($page));
 199
 200         $obj->getstatus();
 201         $obj->status['pass'] = ($pass !== TRUE && $pass !== NULL) ? md5($pass) : '';
 202         $obj->putstatus();
 203
 204         if ($notify) {
 205                 $footer['ACTION']   = 'File attached';
 206                 $footer['FILENAME'] = & $file['name'];
 207                 $footer['FILESIZE'] = & $file['size'];
 208                 $footer['PAGE']     = & $page;
 209
 210                 $footer['URI']      = get_script_uri() .
 211                         //'?' . pagename_urlencode($page);
 212
 213                         // MD5 may heavy
 214                         '?plugin=attach' .
 215                                 '&refer=' . rawurlencode($page) .
 216                                 '&file='  . rawurlencode($file['name']) .
 217                                 '&pcmd=info';
 218
 219                 $footer['USER_AGENT']  = TRUE;
 220                 $footer['REMOTE_ADDR'] = TRUE;
 221
 222                 pkwk_mail_notify($notify_subject, "\n", $footer) or
 223                         die('pkwk_mail_notify(): Failed');
 224         }
 225
 226         return array(
 227                 'result'=>TRUE,
 228                 'msg'=>$_attach_messages['msg_uploaded']);
 229 }
 230
 231 // 詳細フォームを表示
 232 function attach_info($err = '')
 233 {
 234         global $vars, $_attach_messages;
 235
 236         foreach (array('refer', 'file', 'age') as $var)
 237                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 238
 239         $obj = new AttachFile($refer, $file, $age);
 240         return $obj->getstatus() ?
 241                 $obj->info($err) :
 242                 array('msg'=>$_attach_messages['err_notfound']);
 243 }
 244
 245 // 削除
 246 function attach_delete()
 247 {
 248         global $vars, $_attach_messages;
 249
 250         foreach (array('refer', 'file', 'age', 'pass') as $var)
 251                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 252
 253         if (is_freeze($refer) || ! is_editable($refer))
 254                 return array('msg'=>$_attach_messages['err_noparm']);
 255
 256         $obj = new AttachFile($refer, $file, $age);
 257         if (! $obj->getstatus())
 258                 return array('msg'=>$_attach_messages['err_notfound']);
 259
 260         return $obj->delete($pass);
 261 }
 262
 263 // 凍結
 264 function attach_freeze($freeze)
 265 {
 266         global $vars, $_attach_messages;
 267
 268         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 269                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 270         }
 271
 272         if (is_freeze($refer) || ! is_editable($refer)) {
 273                 return array('msg'=>$_attach_messages['err_noparm']);
 274         } else {
 275                 $obj = new AttachFile($refer, $file, $age);
 276                 return $obj->getstatus() ?
 277                         $obj->freeze($freeze, $pass) :
 278                         array('msg'=>$_attach_messages['err_notfound']);
 279         }
 280 }
 281
 282 // リネーム
 283 function attach_rename()
 284 {
 285         global $vars, $_attach_messages;
 286
 287         foreach (array('refer', 'file', 'age', 'pass', 'newname') as $var) {
 288                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 289         }
 290
 291         if (is_freeze($refer) || ! is_editable($refer)) {
 292                 return array('msg'=>$_attach_messages['err_noparm']);
 293         }
 294         $obj = new AttachFile($refer, $file, $age);
 295         if (! $obj->getstatus())
 296                 return array('msg'=>$_attach_messages['err_notfound']);
 297
 298         return $obj->rename($pass, $newname);
 299
 300 }
 301
 302 // ダウンロード
 303 function attach_open()
 304 {
 305         global $vars, $_attach_messages;
 306
 307         foreach (array('refer', 'file', 'age') as $var) {
 308                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 309         }
 310
 311         $obj = new AttachFile($refer, $file, $age);
 312         return $obj->getstatus() ?
 313                 $obj->open() :
 314                 array('msg'=>$_attach_messages['err_notfound']);
 315 }
 316
 317 // 一覧取得
 318 function attach_list()
 319 {
 320         global $vars, $_attach_messages;
 321
 322         $refer = isset($vars['refer']) ? $vars['refer'] : '';
 323
 324         $obj = new AttachPages($refer);
 325
 326         $msg = $_attach_messages[($refer == '') ? 'msg_listall' : 'msg_listpage'];
 327         $body = ($refer == '' || isset($obj->pages[$refer])) ?
 328                 $obj->toString($refer, FALSE) :
 329                 $_attach_messages['err_noexist'];
 330
 331         return array('msg'=>$msg, 'body'=>$body);
 332 }
 333
 334 // アップロードフォームを表示 (action時)
 335 function attach_showform()
 336 {
 337         global $vars, $_attach_messages;
 338
 339         $page = isset($vars['page']) ? $vars['page'] : '';
 340         $vars['refer'] = $page;
 341         $body = attach_form($page);
 342
 343         return array('msg'=>$_attach_messages['msg_upload'], 'body'=>$body);
 344 }
 345
 346 //-------- サービス
 347 // mime-typeの決定
 348 function attach_mime_content_type($filename, $displayname)
 349 {
 350         $type = 'application/octet-stream'; // default
 351
 352         if (! file_exists($filename)) return $type;
 353         $pathinfo = pathinfo($displayname);
 354         $ext0 = $pathinfo['extension'];
 355         if (preg_match('/^(gif|jpg|jpeg|png|swf)$/i', $ext0)) {
 356                 $size = @getimagesize($filename);
 357                 if (is_array($size)) {
 358                         switch ($size[2]) {
 359                                 case 1: return 'image/gif';
 360                                 case 2: return 'image/jpeg';
 361                                 case 3: return 'image/png';
 362                                 case 4: return 'application/x-shockwave-flash';
 363                         }
 364                 }
 365         }
 366         // mime-type一覧表を取得
 367         $config = new Config(PLUGIN_ATTACH_CONFIG_PAGE_MIME);
 368         $table = $config->read() ? $config->get('mime-type') : array();
 369         unset($config); // メモリ節約
 370         foreach ($table as $row) {
 371                 $_type = trim($row[0]);
 372                 $exts = preg_split('/\s+|,/', trim($row[1]), -1, PREG_SPLIT_NO_EMPTY);
 373                 foreach ($exts as $ext) {
 374                         if (preg_match("/\.$ext$/i", $displayname)) return $_type;
 375                 }
 376         }
 377         return $type;
 378 }
 379
 380 // アップロードフォームの出力
 381 function attach_form($page)
 382 {
 383         global $script, $vars, $_attach_messages;
 384
 385         $r_page = rawurlencode($page);
 386         $s_page = htmlsc($page);
 387         $navi = <<<EOD
 388   <span class="small">
 389    [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 390    [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 391   </span><br />
 392 EOD;
 393
 394         if (! ini_get('file_uploads')) return '#attach(): file_uploads disabled<br />' . $navi;
 395         if (! is_page($page))          return '#attach(): No such page<br />'          . $navi;
 396
 397         $maxsize = PLUGIN_ATTACH_MAX_FILESIZE;
 398         $msg_maxsize = sprintf($_attach_messages['msg_maxsize'], number_format($maxsize/1024) . 'KB');
 399
 400         $pass = '';
 401         if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
 402                 $title = $_attach_messages[PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'msg_adminpass' : 'msg_password'];
 403                 $pass = '<br />' . $title . ': <input type="password" name="pass" size="8" />';
 404         }
 405         return <<<EOD
 406 <form enctype="multipart/form-data" action="$script" method="post">
 407  <div>
 408   <input type="hidden" name="plugin" value="attach" />
 409   <input type="hidden" name="pcmd"   value="post" />
 410   <input type="hidden" name="refer"  value="$s_page" />
 411   <input type="hidden" name="max_file_size" value="$maxsize" />
 412   $navi
 413   <span class="small">
 414    $msg_maxsize
 415   </span><br />
 416   <label for="_p_attach_file">{$_attach_messages['msg_file']}:</label> <input type="file" name="attach_file" id="_p_attach_file" />
 417   $pass
 418   <input type="submit" value="{$_attach_messages['btn_upload']}" />
 419  </div>
 420 </form>
 421 EOD;
 422 }
 423
 424 //-------- クラス
 425 // ファイル
 426 class AttachFile
 427 {
 428         var $page, $file, $age, $basename, $filename, $logname;
 429         var $time = 0;
 430         var $size = 0;
 431         var $time_str = '';
 432         var $size_str = '';
 433         var $status = array('count'=>array(0), 'age'=>'', 'pass'=>'', 'freeze'=>FALSE);
 434
 435         function AttachFile($page, $file, $age = 0)
 436         {
 437                 $this->page = $page;
 438                 $this->file = preg_replace('#^.*/#','',$file);
 439                 $this->age  = is_numeric($age) ? $age : 0;
 440
 441                 $this->basename = UPLOAD_DIR . encode($page) . '_' . encode($this->file);
 442                 $this->filename = $this->basename . ($age ? '.' . $age : '');
 443                 $this->logname  = $this->basename . '.log';
 444                 $this->exist    = file_exists($this->filename);
 445                 $this->time     = $this->exist ? filemtime($this->filename) - LOCALZONE : 0;
 446         }
 447
 448         function gethash()
 449         {
 450                 return $this->exist ? md5_file($this->filename) : '';
 451         }
 452
 453         // ファイル情報取得
 454         function getstatus()
 455         {
 456                 // ログファイル取得
 457                 if (file_exists($this->logname)) {
 458                         $data = file($this->logname);
 459                         foreach ($this->status as $key=>$value) {
 460                                 $this->status[$key] = chop(array_shift($data));
 461                         }
 462                         $this->status['count'] = explode(',', $this->status['count']);
 463                 }
 464                 if (! $this->exist) return FALSE;
 465                 $this->time_str = get_date('Y/m/d H:i:s', $this->time);
 466                 $this->size     = filesize($this->filename);
 467                 $this->size_str = sprintf('%01.1f', round($this->size/1024, 1)) . 'KB';
 468                 $this->type     = attach_mime_content_type($this->filename, $this->file);
 469                 return TRUE;
 470         }
 471
 472         // ステータス保存
 473         function putstatus()
 474         {
 475                 $this->status['count'] = join(',', $this->status['count']);
 476                 $fp = fopen($this->logname, 'wb') or
 477                         die_message('cannot write ' . $this->logname);
 478                 set_file_buffer($fp, 0);
 479                 flock($fp, LOCK_EX);
 480                 rewind($fp);
 481                 foreach ($this->status as $key=>$value) {
 482                         fwrite($fp, $value . "\n");
 483                 }
 484                 flock($fp, LOCK_UN);
 485                 fclose($fp);
 486         }
 487
 488         // 日付の比較関数
 489         function datecomp($a, $b) {
 490                 return ($a->time == $b->time) ? 0 : (($a->time > $b->time) ? -1 : 1);
 491         }
 492
 493         function toString($showicon, $showinfo)
 494         {
 495                 global $script, $_attach_messages;
 496
 497                 $this->getstatus();
 498                 $param  = '&amp;file=' . rawurlencode($this->file) . '&amp;refer=' . rawurlencode($this->page) .
 499                         ($this->age ? '&amp;age=' . $this->age : '');
 500                 $title = $this->time_str . ' ' . $this->size_str;
 501                 $label = ($showicon ? PLUGIN_ATTACH_FILE_ICON : '') . htmlsc($this->file);
 502                 if ($this->age) {
 503                         $label .= ' (backup No.' . $this->age . ')';
 504                 }
 505                 $info = $count = '';
 506                 if ($showinfo) {
 507                         $_title = str_replace('$1', rawurlencode($this->file), $_attach_messages['msg_info']);
 508                         $info = "\n<span class=\"small\">[<a href=\"$script?plugin=attach&amp;pcmd=info$param\" title=\"$_title\">{$_attach_messages['btn_info']}</a>]</span>\n";
 509                         $count = ($showicon && ! empty($this->status['count'][$this->age])) ?
 510                                 sprintf($_attach_messages['msg_count'], $this->status['count'][$this->age]) : '';
 511                 }
 512                 return "<a href=\"$script?plugin=attach&amp;pcmd=open$param\" title=\"$title\">$label</a>$count$info";
 513         }
 514
 515         // 情報表示
 516         function info($err)
 517         {
 518                 global $script, $_attach_messages;
 519
 520                 $r_page = rawurlencode($this->page);
 521                 $s_page = htmlsc($this->page);
 522                 $s_file = htmlsc($this->file);
 523                 $s_err = ($err == '') ? '' : '<p style="font-weight:bold">' . $_attach_messages[$err] . '</p>';
 524
 525                 $msg_rename  = '';
 526                 if ($this->age) {
 527                         $msg_freezed = '';
 528                         $msg_delete  = '<input type="radio" name="pcmd" id="_p_attach_delete" value="delete" />' .
 529                                 '<label for="_p_attach_delete">' .  $_attach_messages['msg_delete'] .
 530                                 $_attach_messages['msg_require'] . '</label><br />';
 531                         $msg_freeze  = '';
 532                 } else {
 533                         if ($this->status['freeze']) {
 534                                 $msg_freezed = "<dd>{$_attach_messages['msg_isfreeze']}</dd>";
 535                                 $msg_delete  = '';
 536                                 $msg_freeze  = '<input type="radio" name="pcmd" id="_p_attach_unfreeze" value="unfreeze" />' .
 537                                         '<label for="_p_attach_unfreeze">' .  $_attach_messages['msg_unfreeze'] .
 538                                         $_attach_messages['msg_require'] . '</label><br />';
 539                         } else {
 540                                 $msg_freezed = '';
 541                                 $msg_delete = '<input type="radio" name="pcmd" id="_p_attach_delete" value="delete" />' .
 542                                         '<label for="_p_attach_delete">' . $_attach_messages['msg_delete'];
 543                                 if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age)
 544                                         $msg_delete .= $_attach_messages['msg_require'];
 545                                 $msg_delete .= '</label><br />';
 546                                 $msg_freeze  = '<input type="radio" name="pcmd" id="_p_attach_freeze" value="freeze" />' .
 547                                         '<label for="_p_attach_freeze">' .  $_attach_messages['msg_freeze'] .
 548                                         $_attach_messages['msg_require'] . '</label><br />';
 549
 550                                 if (PLUGIN_ATTACH_RENAME_ENABLE) {
 551                                         $msg_rename  = '<input type="radio" name="pcmd" id="_p_attach_rename" value="rename" />' .
 552                                                 '<label for="_p_attach_rename">' .  $_attach_messages['msg_rename'] .
 553                                                 $_attach_messages['msg_require'] . '</label><br />&nbsp;&nbsp;&nbsp;&nbsp;' .
 554                                                 '<label for="_p_attach_newname">' . $_attach_messages['msg_newname'] .
 555                                                 ':</label> ' .
 556                                                 '<input type="text" name="newname" id="_p_attach_newname" size="40" value="' .
 557                                                 $this->file . '" /><br />';
 558                                 }
 559                         }
 560                 }
 561                 $info = $this->toString(TRUE, FALSE);
 562                 $hash = $this->gethash();
 563
 564                 $retval = array('msg'=>sprintf($_attach_messages['msg_info'], htmlsc($this->file)));
 565                 $retval['body'] = <<< EOD
 566 <p class="small">
 567  [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 568  [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 569 </p>
 570 <dl>
 571  <dt>$info</dt>
 572  <dd>{$_attach_messages['msg_page']}:$s_page</dd>
 573  <dd>{$_attach_messages['msg_filename']}:{$this->filename}</dd>
 574  <dd>{$_attach_messages['msg_md5hash']}:$hash</dd>
 575  <dd>{$_attach_messages['msg_filesize']}:{$this->size_str} ({$this->size} bytes)</dd>
 576  <dd>Content-type:{$this->type}</dd>
 577  <dd>{$_attach_messages['msg_date']}:{$this->time_str}</dd>
 578  <dd>{$_attach_messages['msg_dlcount']}:{$this->status['count'][$this->age]}</dd>
 579  $msg_freezed
 580 </dl>
 581 <hr />
 582 $s_err
 583 <form action="$script" method="post">
 584  <div>
 585   <input type="hidden" name="plugin" value="attach" />
 586   <input type="hidden" name="refer" value="$s_page" />
 587   <input type="hidden" name="file" value="$s_file" />
 588   <input type="hidden" name="age" value="{$this->age}" />
 589   $msg_delete
 590   $msg_freeze
 591   $msg_rename
 592   <br />
 593   <label for="_p_attach_password">{$_attach_messages['msg_password']}:</label>
 594   <input type="password" name="pass" id="_p_attach_password" size="8" />
 595   <input type="submit" value="{$_attach_messages['btn_submit']}" />
 596  </div>
 597 </form>
 598 EOD;
 599                 return $retval;
 600         }
 601
 602         function delete($pass)
 603         {
 604                 global $_attach_messages, $notify, $notify_subject;
 605
 606                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 607
 608                 if (! pkwk_login($pass)) {
 609                         if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 610                                 return attach_info('err_adminpass');
 611                         } else if (PLUGIN_ATTACH_PASSWORD_REQUIRE &&
 612                                 md5($pass) !== $this->status['pass']) {
 613                                 return attach_info('err_password');
 614                         }
 615                 }
 616
 617                 // バックアップ
 618                 if ($this->age ||
 619                         (PLUGIN_ATTACH_DELETE_ADMIN_ONLY && PLUGIN_ATTACH_DELETE_ADMIN_NOBACKUP)) {
 620                         @unlink($this->filename);
 621                 } else {
 622                         do {
 623                                 $age = ++$this->status['age'];
 624                         } while (file_exists($this->basename . '.' . $age));
 625
 626                         if (! rename($this->basename,$this->basename . '.' . $age)) {
 627                                 // 削除失敗 why?
 628                                 return array('msg'=>$_attach_messages['err_delete']);
 629                         }
 630
 631                         $this->status['count'][$age] = $this->status['count'][0];
 632                         $this->status['count'][0] = 0;
 633                         $this->putstatus();
 634                 }
 635
 636                 if (is_page($this->page))
 637                         touch(get_filename($this->page));
 638
 639                 if ($notify) {
 640                         $footer['ACTION']   = 'File deleted';
 641                         $footer['FILENAME'] = & $this->file;
 642                         $footer['PAGE']     = & $this->page;
 643                         $footer['URI']      = get_script_uri() .
 644                                 '?' . pagename_urlencode($this->page);
 645                         $footer['USER_AGENT']  = TRUE;
 646                         $footer['REMOTE_ADDR'] = TRUE;
 647                         pkwk_mail_notify($notify_subject, "\n", $footer) or
 648                                 die('pkwk_mail_notify(): Failed');
 649                 }
 650
 651                 return array('msg'=>$_attach_messages['msg_deleted']);
 652         }
 653
 654         function rename($pass, $newname)
 655         {
 656                 global $_attach_messages, $notify, $notify_subject;
 657
 658                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 659
 660                 if (! pkwk_login($pass)) {
 661                         if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 662                                 return attach_info('err_adminpass');
 663                         } else if (PLUGIN_ATTACH_PASSWORD_REQUIRE &&
 664                                 md5($pass) !== $this->status['pass']) {
 665                                 return attach_info('err_password');
 666                         }
 667                 }
 668                 $newbase = UPLOAD_DIR . encode($this->page) . '_' . encode($newname);
 669                 if (file_exists($newbase)) {
 670                         return array('msg'=>$_attach_messages['err_exists']);
 671                 }
 672                 if (! PLUGIN_ATTACH_RENAME_ENABLE) {
 673                         return array('msg'=>$_attach_messages['err_rename']);
 674                 }
 675                 if (! rename($this->basename, $newbase)) {
 676                         return array('msg'=>$_attach_messages['err_rename']);
 677                 }
 678                 // Rename primary file succeeded.
 679                 // Then, rename backup(archive) files and log file)
 680                 $rename_targets = array();
 681                 $dir = opendir(UPLOAD_DIR);
 682                 if ($dir) {
 683                         $matches_leaf = array();
 684                         if (preg_match('/(((?:[0-9A-F]{2})+)_((?:[0-9A-F]{2})+))$/', $this->basename, $matches_leaf)) {
 685                                 $attachfile_leafname = $matches_leaf[1];
 686                                 $attachfile_leafname_pattern = preg_quote($attachfile_leafname, '/');
 687                                 $pattern = "/^({$attachfile_leafname_pattern})(\.((\d+)|(log)))$/";
 688                                 $matches = array();
 689                                 while ($file = readdir($dir)) {
 690                                         if (! preg_match($pattern, $file, $matches))
 691                                                 continue;
 692                                         $basename2 = $matches[0];
 693                                         $newbase2 = $newbase . $matches[2];
 694                                         $rename_targets[$basename2] = $newbase2;
 695                                 }
 696                         }
 697                         closedir($dir);
 698                 }
 699                 foreach ($rename_targets as $basename2=>$newbase2) {
 700                         $basename2path = UPLOAD_DIR . $basename2;
 701                         rename($basename2path, $newbase2);
 702                 }
 703                 return array('msg'=>$_attach_messages['msg_renamed']);
 704         }
 705
 706         function freeze($freeze, $pass)
 707         {
 708                 global $_attach_messages;
 709
 710                 if (! pkwk_login($pass)) return attach_info('err_adminpass');
 711
 712                 $this->getstatus();
 713                 $this->status['freeze'] = $freeze;
 714                 $this->putstatus();
 715
 716                 return array('msg'=>$_attach_messages[$freeze ? 'msg_freezed' : 'msg_unfreezed']);
 717         }
 718
 719         function open()
 720         {
 721                 $this->getstatus();
 722                 $this->status['count'][$this->age]++;
 723                 $this->putstatus();
 724                 $filename = $this->file;
 725
 726                 // Care for Japanese-character-included file name
 727                 $legacy_filename = mb_convert_encoding($filename, 'UTF-8', SOURCE_ENCODING);
 728                 if (LANG == 'ja') {
 729                         switch(UA_NAME . '/' . UA_PROFILE){
 730                         case 'MSIE/default':
 731                                 $legacy_filename = mb_convert_encoding($filename, 'SJIS', SOURCE_ENCODING);
 732                                 break;
 733                         }
 734                 }
 735                 $utf8filename = mb_convert_encoding($filename, 'UTF-8', SOURCE_ENCODING);
 736
 737                 ini_set('default_charset', '');
 738                 mb_http_output('pass');
 739
 740                 pkwk_common_headers();
 741                 header('Content-Disposition: inline; filename="' . $legacy_filename
 742                         . '"; filename*=utf-8\'\'' . rawurlencode($utf8filename));
 743                 header('Content-Length: ' . $this->size);
 744                 header('Content-Type: '   . $this->type);
 745
 746                 @readfile($this->filename);
 747                 exit;
 748         }
 749 }
 750
 751 // ファイルコンテナ
 752 class AttachFiles
 753 {
 754         var $page;
 755         var $files = array();
 756
 757         function AttachFiles($page)
 758         {
 759                 $this->page = $page;
 760         }
 761
 762         function add($file, $age)
 763         {
 764                 $this->files[$file][$age] = new AttachFile($this->page, $file, $age);
 765         }
 766
 767         // ファイル一覧を取得
 768         function toString($flat)
 769         {
 770                 global $_title_cannotread;
 771
 772                 if (! check_readable($this->page, FALSE, FALSE)) {
 773                         return str_replace('$1', make_pagelink($this->page), $_title_cannotread);
 774                 } else if ($flat) {
 775                         return $this->to_flat();
 776                 }
 777
 778                 $ret = '';
 779                 $files = array_keys($this->files);
 780                 sort($files, SORT_STRING);
 781
 782                 foreach ($files as $file) {
 783                         $_files = array();
 784                         foreach (array_keys($this->files[$file]) as $age) {
 785                                 $_files[$age] = $this->files[$file][$age]->toString(FALSE, TRUE);
 786                         }
 787                         if (! isset($_files[0])) {
 788                                 $_files[0] = htmlsc($file);
 789                         }
 790                         ksort($_files, SORT_NUMERIC);
 791                         $_file = $_files[0];
 792                         unset($_files[0]);
 793                         $ret .= " <li>$_file\n";
 794                         if (count($_files)) {
 795                                 $ret .= "<ul>\n<li>" . join("</li>\n<li>", $_files) . "</li>\n</ul>\n";
 796                         }
 797                         $ret .= " </li>\n";
 798                 }
 799                 return make_pagelink($this->page) . "\n<ul>\n$ret</ul>\n";
 800         }
 801
 802         // ファイル一覧を取得(inline)
 803         function to_flat()
 804         {
 805                 $ret = '';
 806                 $files = array();
 807                 foreach (array_keys($this->files) as $file) {
 808                         if (isset($this->files[$file][0])) {
 809                                 $files[$file] = & $this->files[$file][0];
 810                         }
 811                 }
 812                 uasort($files, array('AttachFile', 'datecomp'));
 813                 foreach (array_keys($files) as $file) {
 814                         $ret .= $files[$file]->toString(TRUE, TRUE) . ' ';
 815                 }
 816
 817                 return $ret;
 818         }
 819 }
 820
 821 // ページコンテナ
 822 class AttachPages
 823 {
 824         var $pages = array();
 825
 826         function AttachPages($page = '', $age = NULL)
 827         {
 828
 829                 $dir = opendir(UPLOAD_DIR) or
 830                         die('directory ' . UPLOAD_DIR . ' is not exist or not readable.');
 831
 832                 $page_pattern = ($page == '') ? '(?:[0-9A-F]{2})+' : preg_quote(encode($page), '/');
 833                 $age_pattern = ($age === NULL) ?
 834                         '(?:\.([0-9]+))?' : ($age ?  "\.($age)" : '');
 835                 $pattern = "/^({$page_pattern})_((?:[0-9A-F]{2})+){$age_pattern}$/";
 836
 837                 $matches = array();
 838                 while (($file = readdir($dir)) !== FALSE) {
 839                         if (! preg_match($pattern, $file, $matches)) continue;
 840
 841                         $_page = decode($matches[1]);
 842                         $_file = decode($matches[2]);
 843                         $_age  = isset($matches[3]) ? $matches[3] : 0;
 844                         if (! isset($this->pages[$_page])) {
 845                                 $this->pages[$_page] = new AttachFiles($_page);
 846                         }
 847                         $this->pages[$_page]->add($_file, $_age);
 848                 }
 849                 closedir($dir);
 850         }
 851
 852         function toString($page = '', $flat = FALSE)
 853         {
 854                 if ($page != '') {
 855                         if (! isset($this->pages[$page])) {
 856                                 return '';
 857                         } else {
 858                                 return $this->pages[$page]->toString($flat);
 859                         }
 860                 }
 861                 $ret = '';
 862
 863                 $pages = array_keys($this->pages);
 864                 sort($pages, SORT_STRING);
 865
 866                 foreach ($pages as $page) {
 867                         if (check_non_list($page)) continue;
 868                         $ret .= '<li>' . $this->pages[$page]->toString($flat) . '</li>' . "\n";
 869                 }
 870                 return "\n" . '<ul>' . "\n" . $ret . '</ul>' . "\n";
 871         }
 872 }