lib/plugin/WikiAdminPurge.php

   1 <?php // -*-php-*-
   2 // rcs_id('$Id$');
   3 /*
   4  * Copyright 2002,2004 $ThePhpWikiProgrammingTeam
   5  * Copyright 2009 Marc-Etienne Vargenau, Alcatel-Lucent
   6  *
   7  * This file is part of PhpWiki.
   8  *
   9  * PhpWiki is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * PhpWiki is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with PhpWiki; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 /**
  25  * Usage:   <<WikiAdminPurge>>
  26  */
  27 require_once('lib/PageList.php');
  28 require_once('lib/plugin/WikiAdminSelect.php');
  29
  30 class WikiPlugin_WikiAdminPurge
  31 extends WikiPlugin_WikiAdminSelect
  32 {
  33     function getName() {
  34         return _("WikiAdminPurge");
  35     }
  36
  37     function getDescription() {
  38         return _("Permanently purge all selected pages.");
  39     }
  40
  41     /* getDefaultArguments() is inherited from WikiAdminSelect class */
  42
  43     function collectPages(&$list, &$dbi, $sortby, $limit=0) {
  44
  45         $allPages = $dbi->getAllPages('include_empty',$sortby,$limit);
  46         while ($pagehandle = $allPages->next()) {
  47             $pagename = $pagehandle->getName();
  48             $current = $pagehandle->getCurrentRevision();
  49             if ($current->getVersion() < 1) {
  50                 continue;       // No versions in database
  51             }
  52             if (empty($list[$pagename])) {
  53                 $list[$pagename] = false;
  54             }
  55         }
  56         return $list;
  57     }
  58
  59     function purgePages(&$request, $pages) {
  60         $result = HTML::div();
  61         $ul = HTML::ul();
  62         $dbi = $request->getDbh(); $count = 0;
  63         foreach ($pages as $name) {
  64             $name = str_replace(array('%5B','%5D'),array('[',']'),$name);
  65             if (mayAccessPage('purge',$name)) {
  66                 $dbi->purgePage($name);
  67                 $ul->pushContent(HTML::li(fmt("Purged page '%s' successfully.", $name)));
  68                 $count++;
  69             } else {
  70                     $ul->pushContent(HTML::li(fmt("Didn't purge page '%s'. Access denied.", $name)));
  71             }
  72         }
  73         if ($count) {
  74             $dbi->touch();
  75             $result->setAttr('class', 'feedback');
  76             if ($count == 1) {
  77                 $result->pushContent(HTML::p("One page has been permanently purged:"));
  78             } else {
  79                 $result->pushContent(HTML::p(fmt("%d pages have been permanently purged:", $count)));
  80             }
  81             $result->pushContent($ul);
  82             return $result;
  83         } else {
  84             $result->setAttr('class', 'error');
  85             $result->pushContent(HTML::p("No pages purged."));
  86             return $result;
  87         }
  88     }
  89
  90     function run($dbi, $argstr, &$request, $basepage) {
  91         if ($request->getArg('action') != 'browse')
  92             if ($request->getArg('action') != _("PhpWikiAdministration/Purge"))
  93                 return $this->disabled("(action != 'browse')");
  94
  95         $args = $this->getArgs($argstr, $request);
  96         $this->_args =& $args;
  97         $this->preSelectS($args, $request);
  98
  99         $p = $request->getArg('p');
 100         if (!$p) $p = $this->_list;
 101         $post_args = $request->getArg('admin_purge');
 102
 103         $next_action = 'select';
 104         $pages = array();
 105         if ($p && $request->isPost() &&
 106             !empty($post_args['purge']) && empty($post_args['cancel'])) {
 107
 108             // check individual PagePermissions
 109             if (!ENABLE_PAGEPERM and !$request->_user->isAdmin()) {
 110                 $request->_notAuthorized(WIKIAUTH_ADMIN);
 111                 $this->disabled("! user->isAdmin");
 112             }
 113             if ($post_args['action'] == 'verify') {
 114                 // Real purge.
 115                 return $this->purgePages($request, array_keys($p));
 116             }
 117
 118             if ($post_args['action'] == 'select') {
 119                 $next_action = 'verify';
 120                 foreach ($p as $name => $c) {
 121                     $name = str_replace(array('%5B','%5D'),array('[',']'),$name);
 122                     $pages[$name] = $c;
 123                 }
 124             }
 125         } elseif ($p && is_array($p) && !$request->isPost()) { // from WikiAdminSelect
 126             $next_action = 'verify';
 127             foreach ($p as $name => $c) {
 128                 $name = str_replace(array('%5B','%5D'),array('[',']'),$name);
 129                 $pages[$name] = $c;
 130             }
 131             $request->setArg('p',false);
 132         }
 133         if ($next_action == 'select') {
 134             // List all pages to select from.
 135             $pages = $this->collectPages($pages, $dbi, $args['sortby'], $args['limit'], $args['exclude']);
 136         }
 137         $pagelist = new PageList_Selectable($args['info'], $args['exclude'], array());
 138         $pagelist->addPageList($pages);
 139
 140         $header = HTML::fieldset();
 141         if ($next_action == 'verify') {
 142             $button_label = _("Yes");
 143             $header->pushContent(HTML::p(HTML::strong(
 144                 _("Are you sure you want to permanently purge the following files?"))));
 145         }
 146         else {
 147             $button_label = _("Permanently purge selected pages");
 148             $header->pushContent(HTML::legend(_("Select the files to purge")));
 149         }
 150
 151         $buttons = HTML::p(Button('submit:admin_purge[purge]', $button_label, 'wikiadmin'),
 152                            Button('submit:admin_purge[cancel]', _("Cancel"), 'button'));
 153         $header->pushContent($buttons);
 154
 155         // TODO: quick select by regex javascript?
 156         return HTML::form(array('action' => $request->getPostURL(),
 157                                 'method' => 'post'),
 158                           $header,
 159                           $pagelist->getContent(),
 160                           HiddenInputs($request->getArgs(),
 161                                         false,
 162                                         array('admin_purge')),
 163                           HiddenInputs(array('admin_purge[action]' => $next_action,
 164                                              'require_authority_for_post' => WIKIAUTH_ADMIN)));
 165     }
 166 }
 167
 168 // Local Variables:
 169 // mode: php
 170 // tab-width: 8
 171 // c-basic-offset: 4
 172 // c-hanging-comment-ender-p: nil
 173 // indent-tabs-mode: nil
 174 // End:
 175 ?>