plugin/attach.inc.php

   1 <?php
   2 // PukiWiki - Yet another WikiWikiWeb clone
   3 // attach.inc.php
   4 // Copyright
   5 //   2003-2017 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 === '' && $page !== '') {
  99                 $refer = $page;
 100         }
 101         if ($refer != '' && is_pagename($refer)) {
 102                 if(in_array($pcmd, array('info', 'open', 'list'))) {
 103                         check_readable($refer);
 104                 } else {
 105                         check_editable($refer);
 106                 }
 107         }
 108
 109         // Dispatch
 110         if (isset($_FILES['attach_file'])) {
 111                 // Upload
 112                 return attach_upload($_FILES['attach_file'], $refer, $pass);
 113         } else {
 114                 switch ($pcmd) {
 115                 case 'delete':  /*FALLTHROUGH*/
 116                 case 'freeze':
 117                 case 'unfreeze':
 118                         if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
 119                 }
 120                 switch ($pcmd) {
 121                 case 'info'     : return attach_info();
 122                 case 'delete'   : return attach_delete();
 123                 case 'open'     : return attach_open();
 124                 case 'list'     : return attach_list();
 125                 case 'freeze'   : return attach_freeze(TRUE);
 126                 case 'unfreeze' : return attach_freeze(FALSE);
 127                 case 'rename'   : return attach_rename();
 128                 case 'upload'   : return attach_showform();
 129                 }
 130                 if ($page == '' || ! is_page($page)) {
 131                         return attach_list();
 132                 } else {
 133                         return attach_showform();
 134                 }
 135         }
 136 }
 137
 138 //-------- call from skin
 139 function attach_filelist()
 140 {
 141         global $vars, $_attach_messages;
 142
 143         $page = isset($vars['page']) ? $vars['page'] : '';
 144
 145         $obj = new AttachPages($page, 0);
 146
 147         if (! isset($obj->pages[$page])) {
 148                 return '';
 149         } else {
 150                 return $_attach_messages['msg_file'] . ': ' .
 151                 $obj->toString($page, TRUE) . "\n";
 152         }
 153 }
 154
 155 //-------- 実体
 156 // ファイルアップロード
 157 // $pass = NULL : パスワードが指定されていない
 158 // $pass = TRUE : アップロード許可
 159 function attach_upload($file, $page, $pass = NULL)
 160 {
 161         global $_attach_messages, $notify, $notify_subject;
 162
 163         if (PKWK_READONLY) die_message('PKWK_READONLY prohibits editing');
 164
 165         // Check query-string
 166         $query = 'plugin=attach&amp;pcmd=info&amp;refer=' . rawurlencode($page) .
 167                 '&amp;file=' . rawurlencode($file['name']);
 168
 169         if (PKWK_QUERY_STRING_MAX && strlen($query) > PKWK_QUERY_STRING_MAX) {
 170                 pkwk_common_headers();
 171                 echo('Query string (page name and/or file name) too long');
 172                 exit;
 173         } else if (! is_page($page)) {
 174                 die_message('No such page');
 175         } else if ($file['tmp_name'] == '' || ! is_uploaded_file($file['tmp_name'])) {
 176                 return array('result'=>FALSE);
 177         } else if ($file['size'] > PLUGIN_ATTACH_MAX_FILESIZE) {
 178                 return array(
 179                         'result'=>FALSE,
 180                         'msg'=>$_attach_messages['err_exceed']);
 181         } else if (! is_pagename($page) || ($pass !== TRUE && ! is_editable($page))) {
 182                 return array(
 183                         'result'=>FALSE,'
 184                         msg'=>$_attach_messages['err_noparm']);
 185         } else if (PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY && $pass !== TRUE &&
 186                   ($pass === NULL || ! pkwk_login($pass))) {
 187                 return array(
 188                         'result'=>FALSE,
 189                         'msg'=>$_attach_messages['err_adminpass']);
 190         }
 191
 192         $obj = new AttachFile($page, $file['name']);
 193         if ($obj->exist)
 194                 return array('result'=>FALSE,
 195                         'msg'=>$_attach_messages['err_exists']);
 196
 197         if (move_uploaded_file($file['tmp_name'], $obj->filename))
 198                 chmod($obj->filename, PLUGIN_ATTACH_FILE_MODE);
 199
 200         if (is_page($page))
 201                 pkwk_touch_file(get_filename($page));
 202
 203         $obj->getstatus();
 204         $obj->status['pass'] = ($pass !== TRUE && $pass !== NULL) ? md5($pass) : '';
 205         $obj->putstatus();
 206
 207         if ($notify) {
 208                 $footer['ACTION']   = 'File attached';
 209                 $footer['FILENAME'] = $file['name'];
 210                 $footer['FILESIZE'] = $file['size'];
 211                 $footer['PAGE']     = $page;
 212
 213                 $footer['URI']      = get_base_uri(PKWK_URI_ABSOLUTE) .
 214                         // MD5 may heavy
 215                         '?plugin=attach' .
 216                                 '&refer=' . rawurlencode($page) .
 217                                 '&file='  . rawurlencode($file['name']) .
 218                                 '&pcmd=info';
 219
 220                 $footer['USER_AGENT']  = TRUE;
 221                 $footer['REMOTE_ADDR'] = TRUE;
 222
 223                 pkwk_mail_notify($notify_subject, "\n", $footer) or
 224                         die('pkwk_mail_notify(): Failed');
 225         }
 226
 227         return array(
 228                 'result'=>TRUE,
 229                 'msg'=>$_attach_messages['msg_uploaded']);
 230 }
 231
 232 // 詳細フォームを表示
 233 function attach_info($err = '')
 234 {
 235         global $vars, $_attach_messages;
 236
 237         foreach (array('refer', 'file', 'age') as $var)
 238                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 239
 240         $obj = new AttachFile($refer, $file, $age);
 241         return $obj->getstatus() ?
 242                 $obj->info($err) :
 243                 array('msg'=>$_attach_messages['err_notfound']);
 244 }
 245
 246 // 削除
 247 function attach_delete()
 248 {
 249         global $vars, $_attach_messages;
 250
 251         foreach (array('refer', 'file', 'age', 'pass') as $var)
 252                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 253
 254         if (is_freeze($refer) || ! is_editable($refer))
 255                 return array('msg'=>$_attach_messages['err_noparm']);
 256
 257         $obj = new AttachFile($refer, $file, $age);
 258         if (! $obj->getstatus())
 259                 return array('msg'=>$_attach_messages['err_notfound']);
 260
 261         return $obj->delete($pass);
 262 }
 263
 264 // 凍結
 265 function attach_freeze($freeze)
 266 {
 267         global $vars, $_attach_messages;
 268
 269         foreach (array('refer', 'file', 'age', 'pass') as $var) {
 270                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 271         }
 272
 273         if (is_freeze($refer) || ! is_editable($refer)) {
 274                 return array('msg'=>$_attach_messages['err_noparm']);
 275         } else {
 276                 $obj = new AttachFile($refer, $file, $age);
 277                 return $obj->getstatus() ?
 278                         $obj->freeze($freeze, $pass) :
 279                         array('msg'=>$_attach_messages['err_notfound']);
 280         }
 281 }
 282
 283 // リネーム
 284 function attach_rename()
 285 {
 286         global $vars, $_attach_messages;
 287
 288         foreach (array('refer', 'file', 'age', 'pass', 'newname') as $var) {
 289                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 290         }
 291
 292         if (is_freeze($refer) || ! is_editable($refer)) {
 293                 return array('msg'=>$_attach_messages['err_noparm']);
 294         }
 295         $obj = new AttachFile($refer, $file, $age);
 296         if (! $obj->getstatus())
 297                 return array('msg'=>$_attach_messages['err_notfound']);
 298
 299         return $obj->rename($pass, $newname);
 300
 301 }
 302
 303 // ダウンロード
 304 function attach_open()
 305 {
 306         global $vars, $_attach_messages;
 307
 308         foreach (array('refer', 'file', 'age') as $var) {
 309                 ${$var} = isset($vars[$var]) ? $vars[$var] : '';
 310         }
 311
 312         $obj = new AttachFile($refer, $file, $age);
 313         return $obj->getstatus() ?
 314                 $obj->open() :
 315                 array('msg'=>$_attach_messages['err_notfound']);
 316 }
 317
 318 // 一覧取得
 319 function attach_list()
 320 {
 321         global $vars, $_attach_messages;
 322
 323         $refer = isset($vars['refer']) ? $vars['refer'] : '';
 324
 325         $obj = new AttachPages($refer);
 326
 327         $msg = $_attach_messages[($refer == '') ? 'msg_listall' : 'msg_listpage'];
 328         $body = ($refer == '' || isset($obj->pages[$refer])) ?
 329                 $obj->toString($refer, FALSE) :
 330                 $_attach_messages['err_noexist'];
 331
 332         return array('msg'=>$msg, 'body'=>$body);
 333 }
 334
 335 // アップロードフォームを表示 (action時)
 336 function attach_showform()
 337 {
 338         global $vars, $_attach_messages;
 339
 340         $page = isset($vars['page']) ? $vars['page'] : '';
 341         $vars['refer'] = $page;
 342         $body = attach_form($page);
 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 $vars, $_attach_messages;
 384
 385         $script = get_base_uri();
 386         $r_page = rawurlencode($page);
 387         $s_page = htmlsc($page);
 388         $navi = <<<EOD
 389   <span class="small">
 390    [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 391    [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 392   </span><br />
 393 EOD;
 394
 395         if (! ini_get('file_uploads')) return '#attach(): file_uploads disabled<br />' . $navi;
 396         if (! is_page($page))          return '#attach(): No such page<br />'          . $navi;
 397
 398         $maxsize = PLUGIN_ATTACH_MAX_FILESIZE;
 399         $msg_maxsize = sprintf($_attach_messages['msg_maxsize'], number_format($maxsize/1024) . 'KB');
 400
 401         $pass = '';
 402         if (PLUGIN_ATTACH_PASSWORD_REQUIRE || PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY) {
 403                 $title = $_attach_messages[PLUGIN_ATTACH_UPLOAD_ADMIN_ONLY ? 'msg_adminpass' : 'msg_password'];
 404                 $pass = '<br />' . $title . ': <input type="password" name="pass" size="8" />';
 405         }
 406         return <<<EOD
 407 <form enctype="multipart/form-data" action="$script" method="post">
 408  <div>
 409   <input type="hidden" name="plugin" value="attach" />
 410   <input type="hidden" name="pcmd"   value="post" />
 411   <input type="hidden" name="refer"  value="$s_page" />
 412   <input type="hidden" name="max_file_size" value="$maxsize" />
 413   $navi
 414   <span class="small">
 415    $msg_maxsize
 416   </span><br />
 417   <label for="_p_attach_file">{$_attach_messages['msg_file']}:</label> <input type="file" name="attach_file" id="_p_attach_file" />
 418   $pass
 419   <input type="submit" value="{$_attach_messages['btn_upload']}" />
 420  </div>
 421 </form>
 422 EOD;
 423 }
 424
 425 //-------- クラス
 426 // ファイル
 427 class AttachFile
 428 {
 429         var $page, $file, $age, $basename, $filename, $logname;
 430         var $time = 0;
 431         var $size = 0;
 432         var $time_str = '';
 433         var $size_str = '';
 434         var $status = array('count'=>array(0), 'age'=>'', 'pass'=>'', 'freeze'=>FALSE);
 435
 436         function AttachFile($page, $file, $age = 0)
 437         {
 438                 $this->__construct($page, $file, $age);
 439         }
 440         function __construct($page, $file, $age = 0)
 441         {
 442                 $this->page = $page;
 443                 $this->file = preg_replace('#^.*/#','',$file);
 444                 $this->age  = is_numeric($age) ? $age : 0;
 445
 446                 $this->basename = UPLOAD_DIR . encode($page) . '_' . encode($this->file);
 447                 $this->filename = $this->basename . ($age ? '.' . $age : '');
 448                 $this->logname  = $this->basename . '.log';
 449                 $this->exist    = file_exists($this->filename);
 450                 $this->time     = $this->exist ? filemtime($this->filename) - LOCALZONE : 0;
 451         }
 452
 453         function gethash()
 454         {
 455                 return $this->exist ? md5_file($this->filename) : '';
 456         }
 457
 458         // ファイル情報取得
 459         function getstatus()
 460         {
 461                 // ログファイル取得
 462                 if (file_exists($this->logname)) {
 463                         $data = file($this->logname);
 464                         foreach ($this->status as $key=>$value) {
 465                                 $this->status[$key] = chop(array_shift($data));
 466                         }
 467                         $this->status['count'] = explode(',', $this->status['count']);
 468                 }
 469                 if (! $this->exist) return FALSE;
 470                 $this->time_str = get_date('Y/m/d H:i:s', $this->time);
 471                 $this->size     = filesize($this->filename);
 472                 $this->size_str = sprintf('%01.1f', round($this->size/1024, 1)) . 'KB';
 473                 $this->type     = attach_mime_content_type($this->filename, $this->file);
 474                 return TRUE;
 475         }
 476
 477         // ステータス保存
 478         function putstatus()
 479         {
 480                 $this->status['count'] = join(',', $this->status['count']);
 481                 $fp = fopen($this->logname, 'wb') or
 482                         die_message('cannot write ' . $this->logname);
 483                 set_file_buffer($fp, 0);
 484                 flock($fp, LOCK_EX);
 485                 rewind($fp);
 486                 foreach ($this->status as $key=>$value) {
 487                         fwrite($fp, $value . "\n");
 488                 }
 489                 flock($fp, LOCK_UN);
 490                 fclose($fp);
 491         }
 492
 493         // 日付の比較関数
 494         function datecomp($a, $b) {
 495                 return ($a->time == $b->time) ? 0 : (($a->time > $b->time) ? -1 : 1);
 496         }
 497
 498         function toString($showicon, $showinfo)
 499         {
 500                 global $_attach_messages;
 501
 502                 $script = get_base_uri();
 503                 $this->getstatus();
 504                 $param  = '&amp;file=' . rawurlencode($this->file) . '&amp;refer=' . rawurlencode($this->page) .
 505                         ($this->age ? '&amp;age=' . $this->age : '');
 506                 $title = $this->time_str . ' ' . $this->size_str;
 507                 $label = ($showicon ? PLUGIN_ATTACH_FILE_ICON : '') . htmlsc($this->file);
 508                 if ($this->age) {
 509                         $label .= ' (backup No.' . $this->age . ')';
 510                 }
 511                 $info = $count = '';
 512                 if ($showinfo) {
 513                         $_title = str_replace('$1', rawurlencode($this->file), $_attach_messages['msg_info']);
 514                         $info = "\n<span class=\"small\">[<a href=\"$script?plugin=attach&amp;pcmd=info$param\" title=\"$_title\">{$_attach_messages['btn_info']}</a>]</span>\n";
 515                         $count = ($showicon && ! empty($this->status['count'][$this->age])) ?
 516                                 sprintf($_attach_messages['msg_count'], $this->status['count'][$this->age]) : '';
 517                 }
 518                 return "<a href=\"$script?plugin=attach&amp;pcmd=open$param\" title=\"$title\">$label</a>$count$info";
 519         }
 520
 521         // 情報表示
 522         function info($err)
 523         {
 524                 global $_attach_messages;
 525
 526                 $script = get_base_uri();
 527                 $r_page = rawurlencode($this->page);
 528                 $s_page = htmlsc($this->page);
 529                 $s_file = htmlsc($this->file);
 530                 $s_err = ($err == '') ? '' : '<p style="font-weight:bold">' . $_attach_messages[$err] . '</p>';
 531
 532                 $msg_rename  = '';
 533                 if ($this->age) {
 534                         $msg_freezed = '';
 535                         $msg_delete  = '<input type="radio" name="pcmd" id="_p_attach_delete" value="delete" />' .
 536                                 '<label for="_p_attach_delete">' .  $_attach_messages['msg_delete'] .
 537                                 $_attach_messages['msg_require'] . '</label><br />';
 538                         $msg_freeze  = '';
 539                 } else {
 540                         if ($this->status['freeze']) {
 541                                 $msg_freezed = "<dd>{$_attach_messages['msg_isfreeze']}</dd>";
 542                                 $msg_delete  = '';
 543                                 $msg_freeze  = '<input type="radio" name="pcmd" id="_p_attach_unfreeze" value="unfreeze" />' .
 544                                         '<label for="_p_attach_unfreeze">' .  $_attach_messages['msg_unfreeze'] .
 545                                         $_attach_messages['msg_require'] . '</label><br />';
 546                         } else {
 547                                 $msg_freezed = '';
 548                                 $msg_delete = '<input type="radio" name="pcmd" id="_p_attach_delete" value="delete" />' .
 549                                         '<label for="_p_attach_delete">' . $_attach_messages['msg_delete'];
 550                                 if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age)
 551                                         $msg_delete .= $_attach_messages['msg_require'];
 552                                 $msg_delete .= '</label><br />';
 553                                 $msg_freeze  = '<input type="radio" name="pcmd" id="_p_attach_freeze" value="freeze" />' .
 554                                         '<label for="_p_attach_freeze">' .  $_attach_messages['msg_freeze'] .
 555                                         $_attach_messages['msg_require'] . '</label><br />';
 556
 557                                 if (PLUGIN_ATTACH_RENAME_ENABLE) {
 558                                         $msg_rename  = '<input type="radio" name="pcmd" id="_p_attach_rename" value="rename" />' .
 559                                                 '<label for="_p_attach_rename">' .  $_attach_messages['msg_rename'] .
 560                                                 $_attach_messages['msg_require'] . '</label><br />&nbsp;&nbsp;&nbsp;&nbsp;' .
 561                                                 '<label for="_p_attach_newname">' . $_attach_messages['msg_newname'] .
 562                                                 ':</label> ' .
 563                                                 '<input type="text" name="newname" id="_p_attach_newname" size="40" value="' .
 564                                                 $this->file . '" /><br />';
 565                                 }
 566                         }
 567                 }
 568                 $info = $this->toString(TRUE, FALSE);
 569                 $hash = $this->gethash();
 570
 571                 $retval = array('msg'=>sprintf($_attach_messages['msg_info'], htmlsc($this->file)));
 572                 $retval['body'] = <<< EOD
 573 <p class="small">
 574  [<a href="$script?plugin=attach&amp;pcmd=list&amp;refer=$r_page">{$_attach_messages['msg_list']}</a>]
 575  [<a href="$script?plugin=attach&amp;pcmd=list">{$_attach_messages['msg_listall']}</a>]
 576 </p>
 577 <dl>
 578  <dt>$info</dt>
 579  <dd>{$_attach_messages['msg_page']}:$s_page</dd>
 580  <dd>{$_attach_messages['msg_filename']}:{$this->filename}</dd>
 581  <dd>{$_attach_messages['msg_md5hash']}:$hash</dd>
 582  <dd>{$_attach_messages['msg_filesize']}:{$this->size_str} ({$this->size} bytes)</dd>
 583  <dd>Content-type:{$this->type}</dd>
 584  <dd>{$_attach_messages['msg_date']}:{$this->time_str}</dd>
 585  <dd>{$_attach_messages['msg_dlcount']}:{$this->status['count'][$this->age]}</dd>
 586  $msg_freezed
 587 </dl>
 588 <hr />
 589 $s_err
 590 <form action="$script" method="post">
 591  <div>
 592   <input type="hidden" name="plugin" value="attach" />
 593   <input type="hidden" name="refer" value="$s_page" />
 594   <input type="hidden" name="file" value="$s_file" />
 595   <input type="hidden" name="age" value="{$this->age}" />
 596   $msg_delete
 597   $msg_freeze
 598   $msg_rename
 599   <br />
 600   <label for="_p_attach_password">{$_attach_messages['msg_password']}:</label>
 601   <input type="password" name="pass" id="_p_attach_password" size="8" />
 602   <input type="submit" value="{$_attach_messages['btn_submit']}" />
 603  </div>
 604 </form>
 605 EOD;
 606                 return $retval;
 607         }
 608
 609         function delete($pass)
 610         {
 611                 global $_attach_messages, $notify, $notify_subject;
 612
 613                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 614
 615                 if (! pkwk_login($pass)) {
 616                         if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 617                                 return attach_info('err_adminpass');
 618                         } else if (PLUGIN_ATTACH_PASSWORD_REQUIRE &&
 619                                 md5($pass) !== $this->status['pass']) {
 620                                 return attach_info('err_password');
 621                         }
 622                 }
 623
 624                 // バックアップ
 625                 if ($this->age ||
 626                         (PLUGIN_ATTACH_DELETE_ADMIN_ONLY && PLUGIN_ATTACH_DELETE_ADMIN_NOBACKUP)) {
 627                         @unlink($this->filename);
 628                 } else {
 629                         do {
 630                                 $age = ++$this->status['age'];
 631                         } while (file_exists($this->basename . '.' . $age));
 632
 633                         if (! rename($this->basename,$this->basename . '.' . $age)) {
 634                                 // 削除失敗 why?
 635                                 return array('msg'=>$_attach_messages['err_delete']);
 636                         }
 637
 638                         $this->status['count'][$age] = $this->status['count'][0];
 639                         $this->status['count'][0] = 0;
 640                         $this->putstatus();
 641                 }
 642
 643                 if (is_page($this->page))
 644                         touch(get_filename($this->page));
 645
 646                 if ($notify) {
 647                         $footer['ACTION']   = 'File deleted';
 648                         $footer['FILENAME'] = $this->file;
 649                         $footer['PAGE']     = $this->page;
 650                         $footer['URI']      = get_page_uri($this->page, PKWK_URI_ABSOLUTE);
 651                         $footer['USER_AGENT']  = TRUE;
 652                         $footer['REMOTE_ADDR'] = TRUE;
 653                         pkwk_mail_notify($notify_subject, "\n", $footer) or
 654                                 die('pkwk_mail_notify(): Failed');
 655                 }
 656
 657                 return array('msg'=>$_attach_messages['msg_deleted']);
 658         }
 659
 660         function rename($pass, $newname)
 661         {
 662                 global $_attach_messages, $notify, $notify_subject;
 663
 664                 if ($this->status['freeze']) return attach_info('msg_isfreeze');
 665
 666                 if (! pkwk_login($pass)) {
 667                         if (PLUGIN_ATTACH_DELETE_ADMIN_ONLY || $this->age) {
 668                                 return attach_info('err_adminpass');
 669                         } else if (PLUGIN_ATTACH_PASSWORD_REQUIRE &&
 670                                 md5($pass) !== $this->status['pass']) {
 671                                 return attach_info('err_password');
 672                         }
 673                 }
 674                 $newbase = UPLOAD_DIR . encode($this->page) . '_' . encode($newname);
 675                 if (file_exists($newbase)) {
 676                         return array('msg'=>$_attach_messages['err_exists']);
 677                 }
 678                 if (! PLUGIN_ATTACH_RENAME_ENABLE) {
 679                         return array('msg'=>$_attach_messages['err_rename']);
 680                 }
 681                 if (! rename($this->basename, $newbase)) {
 682                         return array('msg'=>$_attach_messages['err_rename']);
 683                 }
 684                 // Rename primary file succeeded.
 685                 // Then, rename backup(archive) files and log file)
 686                 $rename_targets = array();
 687                 $dir = opendir(UPLOAD_DIR);
 688                 if ($dir) {
 689                         $matches_leaf = array();
 690                         if (preg_match('/(((?:[0-9A-F]{2})+)_((?:[0-9A-F]{2})+))$/', $this->basename, $matches_leaf)) {
 691                                 $attachfile_leafname = $matches_leaf[1];
 692                                 $attachfile_leafname_pattern = preg_quote($attachfile_leafname, '/');
 693                                 $pattern = "/^({$attachfile_leafname_pattern})(\.((\d+)|(log)))$/";
 694                                 $matches = array();
 695                                 while ($file = readdir($dir)) {
 696                                         if (! preg_match($pattern, $file, $matches))
 697                                                 continue;
 698                                         $basename2 = $matches[0];
 699                                         $newbase2 = $newbase . $matches[2];
 700                                         $rename_targets[$basename2] = $newbase2;
 701                                 }
 702                         }
 703                         closedir($dir);
 704                 }
 705                 foreach ($rename_targets as $basename2=>$newbase2) {
 706                         $basename2path = UPLOAD_DIR . $basename2;
 707                         rename($basename2path, $newbase2);
 708                 }
 709                 return array('msg'=>$_attach_messages['msg_renamed']);
 710         }
 711
 712         function freeze($freeze, $pass)
 713         {
 714                 global $_attach_messages;
 715
 716                 if (! pkwk_login($pass)) return attach_info('err_adminpass');
 717
 718                 $this->getstatus();
 719                 $this->status['freeze'] = $freeze;
 720                 $this->putstatus();
 721
 722                 return array('msg'=>$_attach_messages[$freeze ? 'msg_freezed' : 'msg_unfreezed']);
 723         }
 724
 725         function open()
 726         {
 727                 $this->getstatus();
 728                 $this->status['count'][$this->age]++;
 729                 $this->putstatus();
 730                 $filename = $this->file;
 731
 732                 // Care for Japanese-character-included file name
 733                 $legacy_filename = mb_convert_encoding($filename, 'UTF-8', SOURCE_ENCODING);
 734                 if (LANG == 'ja') {
 735                         switch(UA_NAME . '/' . UA_PROFILE){
 736                         case 'MSIE/default':
 737                                 $legacy_filename = mb_convert_encoding($filename, 'SJIS', SOURCE_ENCODING);
 738                                 break;
 739                         }
 740                 }
 741                 $utf8filename = mb_convert_encoding($filename, 'UTF-8', SOURCE_ENCODING);
 742
 743                 ini_set('default_charset', '');
 744                 mb_http_output('pass');
 745
 746                 pkwk_common_headers();
 747                 header('Content-Disposition: inline; filename="' . $legacy_filename
 748                         . '"; filename*=utf-8\'\'' . rawurlencode($utf8filename));
 749                 header('Content-Length: ' . $this->size);
 750                 header('Content-Type: '   . $this->type);
 751                 // Disable output bufferring
 752                 while (ob_get_level()) {
 753                         ob_end_flush();
 754                 }
 755                 flush();
 756                 @readfile($this->filename);
 757                 exit;
 758         }
 759 }
 760
 761 // ファイルコンテナ
 762 class AttachFiles
 763 {
 764         var $page;
 765         var $files = array();
 766
 767         function AttachFiles($page)
 768         {
 769                 $this->__construct($page);
 770         }
 771         function __construct($page)
 772         {
 773                 $this->page = $page;
 774         }
 775
 776         function add($file, $age)
 777         {
 778                 $this->files[$file][$age] = new AttachFile($this->page, $file, $age);
 779         }
 780
 781         // ファイル一覧を取得
 782         function toString($flat)
 783         {
 784                 global $_title_cannotread;
 785
 786                 if (! check_readable($this->page, FALSE, FALSE)) {
 787                         return str_replace('$1', make_pagelink($this->page), $_title_cannotread);
 788                 } else if ($flat) {
 789                         return $this->to_flat();
 790                 }
 791
 792                 $ret = '';
 793                 $files = array_keys($this->files);
 794                 sort($files, SORT_STRING);
 795
 796                 foreach ($files as $file) {
 797                         $_files = array();
 798                         foreach (array_keys($this->files[$file]) as $age) {
 799                                 $_files[$age] = $this->files[$file][$age]->toString(FALSE, TRUE);
 800                         }
 801                         if (! isset($_files[0])) {
 802                                 $_files[0] = htmlsc($file);
 803                         }
 804                         ksort($_files, SORT_NUMERIC);
 805                         $_file = $_files[0];
 806                         unset($_files[0]);
 807                         $ret .= " <li>$_file\n";
 808                         if (count($_files)) {
 809                                 $ret .= "<ul>\n<li>" . join("</li>\n<li>", $_files) . "</li>\n</ul>\n";
 810                         }
 811                         $ret .= " </li>\n";
 812                 }
 813                 return make_pagelink($this->page) . "\n<ul>\n$ret</ul>\n";
 814         }
 815
 816         // ファイル一覧を取得(inline)
 817         function to_flat()
 818         {
 819                 $ret = '';
 820                 $files = array();
 821                 foreach (array_keys($this->files) as $file) {
 822                         if (isset($this->files[$file][0])) {
 823                                 $files[$file] = & $this->files[$file][0];
 824                         }
 825                 }
 826                 uasort($files, array('AttachFile', 'datecomp'));
 827                 foreach (array_keys($files) as $file) {
 828                         $ret .= $files[$file]->toString(TRUE, TRUE) . ' ';
 829                 }
 830
 831                 return $ret;
 832         }
 833 }
 834
 835 // ページコンテナ
 836 class AttachPages
 837 {
 838         var $pages = array();
 839
 840         function AttachPages($page = '', $age = NULL)
 841         {
 842                 $this->__construct($page, $age);
 843         }
 844         function __construct($page = '', $age = NULL)
 845         {
 846
 847                 $dir = opendir(UPLOAD_DIR) or
 848                         die('directory ' . UPLOAD_DIR . ' is not exist or not readable.');
 849
 850                 $page_pattern = ($page == '') ? '(?:[0-9A-F]{2})+' : preg_quote(encode($page), '/');
 851                 $age_pattern = ($age === NULL) ?
 852                         '(?:\.([0-9]+))?' : ($age ?  "\.($age)" : '');
 853                 $pattern = "/^({$page_pattern})_((?:[0-9A-F]{2})+){$age_pattern}$/";
 854
 855                 $matches = array();
 856                 while (($file = readdir($dir)) !== FALSE) {
 857                         if (! preg_match($pattern, $file, $matches)) continue;
 858
 859                         $_page = decode($matches[1]);
 860                         $_file = decode($matches[2]);
 861                         $_age  = isset($matches[3]) ? $matches[3] : 0;
 862                         if (! isset($this->pages[$_page])) {
 863                                 $this->pages[$_page] = new AttachFiles($_page);
 864                         }
 865                         $this->pages[$_page]->add($_file, $_age);
 866                 }
 867                 closedir($dir);
 868         }
 869
 870         function toString($page = '', $flat = FALSE)
 871         {
 872                 if ($page != '') {
 873                         if (! isset($this->pages[$page])) {
 874                                 return '';
 875                         } else {
 876                                 return $this->pages[$page]->toString($flat);
 877                         }
 878                 }
 879                 $ret = '';
 880
 881                 $pages = array_keys($this->pages);
 882                 sort($pages, SORT_STRING);
 883
 884                 foreach ($pages as $page) {
 885                         if (check_non_list($page)) continue;
 886                         $ret .= '<li>' . $this->pages[$page]->toString($flat) . '</li>' . "\n";
 887                 }
 888                 return "\n" . '<ul>' . "\n" . $ret . '</ul>' . "\n";
 889         }
 890 }