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