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   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 :