Exemplo n.º 1
0
 /**
  * Check whether a given move operation would be valid.
  * Returns true if ok, or a getUserPermissionsErrors()-like array otherwise
  * @param &$nt \type{Title} the new title
  * @param $auth \type{\bool} indicates whether $wgUser's permissions
  * 	should be checked
  * @param $reason \type{\string} is the log summary of the move, used for spam checking
  * @return \type{\mixed} True on success, getUserPermissionsErrors()-like array on failure
  */
 public function isValidMoveOperation(&$nt, $auth = true, $reason = '')
 {
     global $wgUser;
     $errors = array();
     if (!$nt) {
         // Normally we'd add this to $errors, but we'll get
         // lots of syntax errors if $nt is not an object
         return array(array('badtitletext'));
     }
     if ($this->equals($nt)) {
         $errors[] = array('selfmove');
     }
     if (!$this->isMovable()) {
         $errors[] = array('immobile-source-namespace', $this->getNsText());
     }
     if ($nt->getInterwiki() != '') {
         $errors[] = array('immobile-target-namespace-iw');
     }
     if (!$nt->isMovable()) {
         $errors[] = array('immobile-target-namespace', $nt->getNsText());
     }
     $oldid = $this->getArticleID();
     $newid = $nt->getArticleID();
     if (strlen($nt->getDBkey()) < 1) {
         $errors[] = array('articleexists');
     }
     if ('' == $this->getDBkey() || !$oldid || '' == $nt->getDBkey()) {
         $errors[] = array('badarticleerror');
     }
     // Image-specific checks
     if ($this->getNamespace() == NS_FILE) {
         $file = wfLocalFile($this);
         if ($file->exists()) {
             if ($nt->getNamespace() != NS_FILE) {
                 $errors[] = array('imagenocrossnamespace');
             }
             if ($nt->getText() != wfStripIllegalFilenameChars($nt->getText())) {
                 $errors[] = array('imageinvalidfilename');
             }
             if (!File::checkExtensionCompatibility($file, $nt->getDBKey())) {
                 $errors[] = array('imagetypemismatch');
             }
         }
     }
     if ($auth) {
         $errors = wfMergeErrorArrays($errors, $this->getUserPermissionsErrors('move', $wgUser), $this->getUserPermissionsErrors('edit', $wgUser), $nt->getUserPermissionsErrors('move-target', $wgUser), $nt->getUserPermissionsErrors('edit', $wgUser));
     }
     $match = EditPage::matchSpamRegex($reason);
     if ($match !== false) {
         // This is kind of lame, won't display nice
         $errors[] = array('spamprotectiontext');
     }
     $err = null;
     if (!wfRunHooks('AbortMove', array($this, $nt, $wgUser, &$err, $reason))) {
         $errors[] = array('hookaborted', $err);
     }
     # The move is allowed only if (1) the target doesn't exist, or
     # (2) the target is a redirect to the source, and has no history
     # (so we can undo bad moves right after they're done).
     if (0 != $newid) {
         # Target exists; check for validity
         if (!$this->isValidMoveTarget($nt)) {
             $errors[] = array('articleexists');
         }
     } else {
         $tp = $nt->getTitleProtection();
         $right = $tp['pt_create_perm'] == 'sysop' ? 'protect' : $tp['pt_create_perm'];
         if ($tp and !$wgUser->isAllowed($right)) {
             $errors[] = array('cantmove-titleprotected');
         }
     }
     if (empty($errors)) {
         return true;
     }
     return $errors;
 }