lib/plugins/revert/admin.php

   1 <?php
   2
   3 use dokuwiki\Extension\AdminPlugin;
   4 use dokuwiki\ChangeLog\PageChangeLog;
   5
   6 /**
   7  * All DokuWiki plugins to extend the admin function
   8  * need to inherit from this class
   9  */
  10 class admin_plugin_revert extends AdminPlugin
  11 {
  12     protected $cmd;
  13     // some vars which might need tuning later
  14     protected $max_lines = 800; // lines to read from changelog
  15     protected $max_revs  = 20;  // numer of old revisions to check
  16
  17
  18     /**
  19      * Constructor
  20      */
  21     public function __construct()
  22     {
  23         $this->setupLocale();
  24     }
  25
  26     /**
  27      * access for managers
  28      */
  29     public function forAdminOnly()
  30     {
  31         return false;
  32     }
  33
  34     /**
  35      * return sort order for position in admin menu
  36      */
  37     public function getMenuSort()
  38     {
  39         return 40;
  40     }
  41
  42     /**
  43      * handle user request
  44      */
  45     public function handle()
  46     {
  47     }
  48
  49     /**
  50      * output appropriate html
  51      */
  52     public function html()
  53     {
  54         global $INPUT;
  55
  56         echo $this->locale_xhtml('intro');
  57
  58         $this->printSearchForm();
  59
  60         if (is_array($INPUT->param('revert')) && checkSecurityToken()) {
  61             $this->revertEdits($INPUT->arr('revert'), $INPUT->str('filter'));
  62         } elseif ($INPUT->has('filter')) {
  63             $this->listEdits($INPUT->str('filter'));
  64         }
  65     }
  66
  67     /**
  68      * Display the form for searching spam pages
  69      */
  70     protected function printSearchForm()
  71     {
  72         global $lang, $INPUT;
  73         echo '<form action="" method="post"><div class="no">';
  74         echo '<label>' . $this->getLang('filter') . ': </label>';
  75         echo '<input type="text" name="filter" class="edit" value="' . hsc($INPUT->str('filter')) . '" /> ';
  76         echo '<button type="submit">' . $lang['btn_search'] . '</button> ';
  77         echo '<span>' . $this->getLang('note1') . '</span>';
  78         echo '</div></form><br /><br />';
  79     }
  80
  81     /**
  82      * Start the reversion process
  83      */
  84     protected function revertEdits($revert, $filter)
  85     {
  86         echo '<hr /><br />';
  87         echo '<p>' . $this->getLang('revstart') . '</p>';
  88
  89         echo '<ul>';
  90         foreach ($revert as $id) {
  91             global $REV;
  92
  93             // find the last non-spammy revision
  94             $data = '';
  95             $pagelog = new PageChangeLog($id);
  96             $old  = $pagelog->getRevisions(0, $this->max_revs);
  97             if ($old !== []) {
  98                 foreach ($old as $REV) {
  99                     $data = rawWiki($id, $REV);
 100                     if (strpos($data, (string) $filter) === false) break;
 101                 }
 102             }
 103
 104             if ($data) {
 105                 saveWikiText($id, $data, 'old revision restored', false);
 106                 printf('<li><div class="li">' . $this->getLang('reverted') . '</div></li>', $id, $REV);
 107             } else {
 108                 saveWikiText($id, '', '', false);
 109                 printf('<li><div class="li">' . $this->getLang('removed') . '</div></li>', $id);
 110             }
 111             @set_time_limit(10);
 112             flush();
 113         }
 114         echo '</ul>';
 115
 116         echo '<p>' . $this->getLang('revstop') . '</p>';
 117     }
 118
 119     /**
 120      * List recent edits matching the given filter
 121      */
 122     protected function listEdits($filter)
 123     {
 124         global $conf;
 125         global $lang;
 126         echo '<hr /><br />';
 127         echo '<form action="" method="post"><div class="no">';
 128         echo '<input type="hidden" name="filter" value="' . hsc($filter) . '" />';
 129         formSecurityToken();
 130
 131         $recents = getRecents(0, $this->max_lines);
 132         echo '<ul>';
 133
 134         $cnt = 0;
 135         foreach ($recents as $recent) {
 136             if ($filter) {
 137                 if (strpos(rawWiki($recent['id']), (string) $filter) === false) continue;
 138             }
 139
 140             $cnt++;
 141             $date = dformat($recent['date']);
 142
 143             echo ($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) ? '<li class="minor">' : '<li>';
 144             echo '<div class="li">';
 145             echo '<input type="checkbox" name="revert[]" value="' . hsc($recent['id']) .
 146                 '" checked="checked" id="revert__' . $cnt . '" />';
 147             echo ' <label for="revert__' . $cnt . '">' . $date . '</label> ';
 148
 149             echo '<a href="' . wl($recent['id'], "do=diff") . '">';
 150             $p = [];
 151             $p['src']    = DOKU_BASE . 'lib/images/diff.png';
 152             $p['width']  = 15;
 153             $p['height'] = 11;
 154             $p['title']  = $lang['diff'];
 155             $p['alt']    = $lang['diff'];
 156             $att = buildAttributes($p);
 157             echo "<img $att />";
 158             echo '</a> ';
 159
 160             echo '<a href="' . wl($recent['id'], "do=revisions") . '">';
 161             $p = [];
 162             $p['src']    = DOKU_BASE . 'lib/images/history.png';
 163             $p['width']  = 12;
 164             $p['height'] = 14;
 165             $p['title']  = $lang['btn_revs'];
 166             $p['alt']    = $lang['btn_revs'];
 167             $att = buildAttributes($p);
 168             echo "<img $att />";
 169             echo '</a> ';
 170
 171             echo html_wikilink(':' . $recent['id'], (useHeading('navigation')) ? null : $recent['id']);
 172             echo ' – ' . htmlspecialchars($recent['sum']);
 173
 174             echo ' <span class="user">';
 175                 echo $recent['user'] . ' ' . $recent['ip'];
 176             echo '</span>';
 177
 178             echo '</div>';
 179             echo '</li>';
 180
 181             @set_time_limit(10);
 182             flush();
 183         }
 184         echo '</ul>';
 185
 186         echo '<p>';
 187         echo '<button type="submit">' . $this->getLang('revert') . '</button> ';
 188         printf($this->getLang('note2'), hsc($filter));
 189         echo '</p>';
 190
 191         echo '</div></form>';
 192     }
 193 }
 194 //Setup VIM: ex: et ts=4 :