includes/specials/SpecialMovepage.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  */
   6
   7 /**
   8  * Constructor
   9  */
  10 function wfSpecialMovepage( $par = null ) {
  11         global $wgUser, $wgOut, $wgRequest, $action;
  12
  13         # Check for database lock
  14         if ( wfReadOnly() ) {
  15                 $wgOut->readOnlyPage();
  16                 return;
  17         }
  18
  19         $target = isset( $par ) ? $par : $wgRequest->getVal( 'target' );
  20         $oldTitleText = $wgRequest->getText( 'wpOldTitle', $target );
  21         $newTitleText = $wgRequest->getText( 'wpNewTitle' );
  22
  23         $oldTitle = Title::newFromText( $oldTitleText );
  24         $newTitle = Title::newFromText( $newTitleText );
  25
  26         if( is_null( $oldTitle ) ) {
  27                 $wgOut->showErrorPage( 'notargettitle', 'notargettext' );
  28                 return;
  29         }
  30         if( !$oldTitle->exists() ) {
  31                 $wgOut->showErrorPage( 'nopagetitle', 'nopagetext' );
  32                 return;
  33         }
  34
  35         # Check rights
  36         $permErrors = $oldTitle->getUserPermissionsErrors( 'move', $wgUser );
  37         if( !empty( $permErrors ) ) {
  38                 $wgOut->showPermissionsErrorPage( $permErrors );
  39                 return;
  40         }
  41
  42         $form = new MovePageForm( $oldTitle, $newTitle );
  43
  44         if ( 'submit' == $action && $wgRequest->wasPosted()
  45                 && $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  46                 $form->doSubmit();
  47         } else {
  48                 $form->showForm( '' );
  49         }
  50 }
  51
  52 /**
  53  * HTML form for Special:Movepage
  54  * @ingroup SpecialPage
  55  */
  56 class MovePageForm {
  57         var $oldTitle, $newTitle, $reason; # Text input
  58         var $moveTalk, $deleteAndMove, $moveSubpages, $fixRedirects;
  59
  60         private $watch = false;
  61
  62         function MovePageForm( $oldTitle, $newTitle ) {
  63                 global $wgRequest;
  64                 $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
  65                 $this->oldTitle = $oldTitle;
  66                 $this->newTitle = $newTitle;
  67                 $this->reason = $wgRequest->getText( 'wpReason' );
  68                 if ( $wgRequest->wasPosted() ) {
  69                         $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', false );
  70                         $this->fixRedirects = $wgRequest->getBool( 'wpFixRedirects', false );
  71                 } else {
  72                         $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', true );
  73                         $this->fixRedirects = $wgRequest->getBool( 'wpFixRedirects', true );
  74                 }
  75                 $this->moveSubpages = $wgRequest->getBool( 'wpMovesubpages', false );
  76                 $this->deleteAndMove = $wgRequest->getBool( 'wpDeleteAndMove' ) && $wgRequest->getBool( 'wpConfirm' );
  77                 $this->watch = $wgRequest->getCheck( 'wpWatch' );
  78         }
  79
  80         function showForm( $err, $hookErr = '' ) {
  81                 global $wgOut, $wgUser;
  82
  83                 $skin = $wgUser->getSkin();
  84
  85                 $oldTitleLink = $skin->makeLinkObj( $this->oldTitle );
  86                 $oldTitle = $this->oldTitle->getPrefixedText();
  87
  88                 $wgOut->setPagetitle( wfMsg( 'move-page', $oldTitle ) );
  89                 $wgOut->setSubtitle( wfMsg( 'move-page-backlink', $oldTitleLink ) );
  90
  91                 if( $this->newTitle == '' ) {
  92                         # Show the current title as a default
  93                         # when the form is first opened.
  94                         $newTitle = $oldTitle;
  95                 } else {
  96                         if( $err == '' ) {
  97                                 $nt = Title::newFromURL( $this->newTitle );
  98                                 if( $nt ) {
  99                                         # If a title was supplied, probably from the move log revert
 100                                         # link, check for validity. We can then show some diagnostic
 101                                         # information and save a click.
 102                                         $newerr = $this->oldTitle->isValidMoveOperation( $nt );
 103                                         if( is_string( $newerr ) ) {
 104                                                 $err = $newerr;
 105                                         }
 106                                 }
 107                         }
 108                         $newTitle = $this->newTitle;
 109                 }
 110
 111                 if ( $err == 'articleexists' && $wgUser->isAllowed( 'delete' ) ) {
 112                         $wgOut->addWikiMsg( 'delete_and_move_text', $newTitle );
 113                         $movepagebtn = wfMsg( 'delete_and_move' );
 114                         $submitVar = 'wpDeleteAndMove';
 115                         $confirm = "
 116                                 <tr>
 117                                         <td></td>
 118                                         <td class='mw-input'>" .
 119                                                 Xml::checkLabel( wfMsg( 'delete_and_move_confirm' ), 'wpConfirm', 'wpConfirm' ) .
 120                                         "</td>
 121                                 </tr>";
 122                         $err = '';
 123                 } else {
 124                         $wgOut->addWikiMsg( 'movepagetext' );
 125                         $movepagebtn = wfMsg( 'movepagebtn' );
 126                         $submitVar = 'wpMove';
 127                         $confirm = false;
 128                 }
 129
 130                 $oldTalk = $this->oldTitle->getTalkPage();
 131                 $considerTalk = ( !$this->oldTitle->isTalkPage() && $oldTalk->exists() );
 132
 133                 $dbr = wfGetDB( DB_SLAVE );
 134                 $hasRedirects = $dbr->selectField( 'redirect', '1',
 135                         array(
 136                                 'rd_namespace' => $this->oldTitle->getNamespace(),
 137                                 'rd_title' => $this->oldTitle->getDBkey(),
 138                         ) , __METHOD__ );
 139
 140                 if ( $considerTalk ) {
 141                         $wgOut->addWikiMsg( 'movepagetalktext' );
 142                 }
 143
 144                 $titleObj = SpecialPage::getTitleFor( 'Movepage' );
 145                 $token = htmlspecialchars( $wgUser->editToken() );
 146
 147                 if ( $err != '' ) {
 148                         $wgOut->setSubtitle( wfMsg( 'formerror' ) );
 149                         if( $err == 'hookaborted' ) {
 150                                 $errMsg = "<p><strong class=\"error\">$hookErr</strong></p>\n";
 151                                 $wgOut->addHTML( $errMsg );
 152                         } else {
 153                                 $wgOut->wrapWikiMsg( '<p><strong class="error">$1</strong></p>', $err );
 154                         }
 155                 }
 156
 157                 $wgOut->addHTML(
 158                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ), 'id' => 'movepage' ) ) .
 159                          Xml::openElement( 'fieldset' ) .
 160                          Xml::element( 'legend', null, wfMsg( 'move-page-legend' ) ) .
 161                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-movepage-table' ) ) .
 162                          "<tr>
 163                                 <td class='mw-label'>" .
 164                                         wfMsgHtml( 'movearticle' ) .
 165                                 "</td>
 166                                 <td class='mw-input'>
 167                                         <strong>{$oldTitleLink}</strong>
 168                                 </td>
 169                         </tr>
 170                         <tr>
 171                                 <td class='mw-label'>" .
 172                                         Xml::label( wfMsg( 'newtitle' ), 'wpNewTitle' ) .
 173                                 "</td>
 174                                 <td class='mw-input'>" .
 175                                         Xml::input( 'wpNewTitle', 40, $newTitle, array( 'type' => 'text', 'id' => 'wpNewTitle' ) ) .
 176                                         Xml::hidden( 'wpOldTitle', $oldTitle ) .
 177                                 "</td>
 178                         </tr>
 179                         <tr>
 180                                 <td class='mw-label'>" .
 181                                         Xml::label( wfMsg( 'movereason' ), 'wpReason' ) .
 182                                 "</td>
 183                                 <td class='mw-input'>" .
 184                                         Xml::tags( 'textarea', array( 'name' => 'wpReason', 'id' => 'wpReason', 'cols' => 60, 'rows' => 2 ), htmlspecialchars( $this->reason ) ) .
 185                                 "</td>
 186                         </tr>"
 187                 );
 188
 189                 if( $considerTalk ) {
 190                         $wgOut->addHTML( "
 191                                 <tr>
 192                                         <td></td>
 193                                         <td class='mw-input'>" .
 194                                                 Xml::checkLabel( wfMsg( 'movetalk' ), 'wpMovetalk', 'wpMovetalk', $this->moveTalk ) .
 195                                         "</td>
 196                                 </tr>"
 197                         );
 198                 }
 199
 200                 if ( $hasRedirects ) {
 201                         $wgOut->addHTML( "
 202                                 <tr>
 203                                         <td></td>
 204                                         <td class='mw-input' >" .
 205                                                 Xml::checkLabel( wfMsg( 'fix-double-redirects' ), 'wpFixRedirects',
 206                                                         'wpFixRedirects', $this->fixRedirects ) .
 207                                         "</td>
 208                                 </td>"
 209                         );
 210                 }
 211
 212                 if( ($this->oldTitle->hasSubpages() || $this->oldTitle->getTalkPage()->hasSubpages())
 213                 && $this->oldTitle->userCan( 'move-subpages' ) ) {
 214                         $wgOut->addHTML( "
 215                                 <tr>
 216                                         <td></td>
 217                                         <td class=\"mw-input\">" .
 218                                 Xml::checkLabel( wfMsgHtml(
 219                                                 $this->oldTitle->hasSubpages()
 220                                                 ? 'move-subpages'
 221                                                 : 'move-talk-subpages'
 222                                         ),
 223                                         'wpMovesubpages', 'wpMovesubpages',
 224                                         # Don't check the box if we only have talk subpages to
 225                                         # move and we aren't moving the talk page.
 226                                         $this->moveSubpages && ($this->oldTitle->hasSubpages() || $this->moveTalk)
 227                                 ) .
 228                                         "</td>
 229                                 </tr>"
 230                         );
 231                 }
 232
 233                 $watchChecked = $this->watch || $wgUser->getBoolOption( 'watchmoves' )
 234                         || $this->oldTitle->userIsWatching();
 235                 $wgOut->addHTML( "
 236                         <tr>
 237                                 <td></td>
 238                                 <td class='mw-input'>" .
 239                                         Xml::checkLabel( wfMsg( 'move-watch' ), 'wpWatch', 'watch', $watchChecked ) .
 240                                 "</td>
 241                         </tr>
 242                                 {$confirm}
 243                         <tr>
 244                                 <td>&nbsp;</td>
 245                                 <td class='mw-submit'>" .
 246                                         Xml::submitButton( $movepagebtn, array( 'name' => $submitVar ) ) .
 247                                 "</td>
 248                         </tr>" .
 249                         Xml::closeElement( 'table' ) .
 250                         Xml::hidden( 'wpEditToken', $token ) .
 251                         Xml::closeElement( 'fieldset' ) .
 252                         Xml::closeElement( 'form' ) .
 253                         "\n"
 254                 );
 255
 256                 $this->showLogFragment( $this->oldTitle, $wgOut );
 257
 258         }
 259
 260         function doSubmit() {
 261                 global $wgOut, $wgUser, $wgRequest, $wgMaximumMovedPages, $wgLang;
 262
 263                 if ( $wgUser->pingLimiter( 'move' ) ) {
 264                         $wgOut->rateLimited();
 265                         return;
 266                 }
 267
 268                 $ot = $this->oldTitle;
 269                 $nt = $this->newTitle;
 270
 271                 # Delete to make way if requested
 272                 if ( $wgUser->isAllowed( 'delete' ) && $this->deleteAndMove ) {
 273                         $article = new Article( $nt );
 274
 275                         # Disallow deletions of big articles
 276                         $bigHistory = $article->isBigDeletion();
 277                         if( $bigHistory && !$nt->userCan( 'bigdelete' ) ) {
 278                                 global $wgLang, $wgDeleteRevisionsLimit;
 279                                 $this->showForm( array('delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
 280                                 return;
 281                         }
 282
 283                         // This may output an error message and exit
 284                         $article->doDelete( wfMsgForContent( 'delete_and_move_reason' ) );
 285                 }
 286
 287                 # don't allow moving to pages with # in
 288                 if ( !$nt || $nt->getFragment() != '' ) {
 289                         $this->showForm( 'badtitletext' );
 290                         return;
 291                 }
 292
 293                 $error = $ot->moveTo( $nt, true, $this->reason );
 294                 if ( $error !== true ) {
 295                         # FIXME: showForm() should handle multiple errors
 296                         call_user_func_array(array($this, 'showForm'), $error[0]);
 297                         return;
 298                 }
 299
 300                 if ( $this->fixRedirects ) {
 301                         DoubleRedirectJob::fixRedirects( 'move', $ot, $nt );
 302                 }
 303
 304                 wfRunHooks( 'SpecialMovepageAfterMove', array( &$this , &$ot , &$nt ) ) ;
 305
 306                 $wgOut->setPagetitle( wfMsg( 'pagemovedsub' ) );
 307
 308                 $oldUrl = $ot->getFullUrl( 'redirect=no' );
 309                 $newUrl = $nt->getFullUrl();
 310                 $oldText = $ot->getPrefixedText();
 311                 $newText = $nt->getPrefixedText();
 312                 $oldLink = "<span class='plainlinks'>[$oldUrl $oldText]</span>";
 313                 $newLink = "<span class='plainlinks'>[$newUrl $newText]</span>";
 314
 315                 $wgOut->addWikiMsg( 'movepage-moved', $oldLink, $newLink, $oldText, $newText );
 316
 317                 # Now we move extra pages we've been asked to move: subpages and talk
 318                 # pages.  First, if the old page or the new page is a talk page, we
 319                 # can't move any talk pages: cancel that.
 320                 if( $ot->isTalkPage() || $nt->isTalkPage() ) {
 321                         $this->moveTalk = false;
 322                 }
 323
 324                 if( !$ot->userCan( 'move-subpages' ) ) {
 325                         $this->moveSubpages = false;
 326                 }
 327
 328                 # Next make a list of id's.  This might be marginally less efficient
 329                 # than a more direct method, but this is not a highly performance-cri-
 330                 # tical code path and readable code is more important here.
 331                 #
 332                 # Note: this query works nicely on MySQL 5, but the optimizer in MySQL
 333                 # 4 might get confused.  If so, consider rewriting as a UNION.
 334                 #
 335                 # If the target namespace doesn't allow subpages, moving with subpages
 336                 # would mean that you couldn't move them back in one operation, which
 337                 # is bad.  FIXME: A specific error message should be given in this
 338                 # case.
 339                 $dbr = wfGetDB( DB_MASTER );
 340                 if( $this->moveSubpages && (
 341                         MWNamespace::hasSubpages( $nt->getNamespace() ) || (
 342                                 $this->moveTalk &&
 343                                 MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() )
 344                         )
 345                 ) ) {
 346                         $conds = array(
 347                                 'page_title LIKE '.$dbr->addQuotes( $dbr->escapeLike( $ot->getDBkey() ) . '/%' )
 348                                         .' OR page_title = ' . $dbr->addQuotes( $ot->getDBkey() )
 349                         );
 350                         $conds['page_namespace'] = array();
 351                         if( MWNamespace::hasSubpages( $nt->getNamespace() ) ) {
 352                                 $conds['page_namespace'] []= $ot->getNamespace();
 353                         }
 354                         if( $this->moveTalk && MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() ) ) {
 355                                 $conds['page_namespace'] []= $ot->getTalkPage()->getNamespace();
 356                         }
 357                 } elseif( $this->moveTalk ) {
 358                         $conds = array(
 359                                 'page_namespace' => $ot->getTalkPage()->getNamespace(),
 360                                 'page_title' => $ot->getDBKey()
 361                         );
 362                 } else {
 363                         # Skip the query
 364                         $conds = null;
 365                 }
 366
 367                 $extraPages = array();
 368                 if( !is_null( $conds ) ) {
 369                         $extraPages = TitleArray::newFromResult(
 370                                 $dbr->select( 'page',
 371                                         array( 'page_id', 'page_namespace', 'page_title' ),
 372                                         $conds,
 373                                         __METHOD__
 374                                 )
 375                         );
 376                 }
 377
 378                 $extraOutput = array();
 379                 $skin = $wgUser->getSkin();
 380                 $count = 1;
 381                 foreach( $extraPages as $oldSubpage ) {
 382                         if( $oldSubpage->getArticleId() == $ot->getArticleId() ) {
 383                                 # Already did this one.
 384                                 continue;
 385                         }
 386
 387                         $newPageName = preg_replace(
 388                                 '#^'.preg_quote( $ot->getDBKey(), '#' ).'#',
 389                                 $nt->getDBKey(),
 390                                 $oldSubpage->getDBKey()
 391                         );
 392                         if( $oldSubpage->isTalkPage() ) {
 393                                 $newNs = $nt->getTalkPage()->getNamespace();
 394                         } else {
 395                                 $newNs = $nt->getSubjectPage()->getNamespace();
 396                         }
 397                         # Bug 14385: we need makeTitleSafe because the new page names may
 398                         # be longer than 255 characters.
 399                         $newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
 400                         if( !$newSubpage ) {
 401                                 $oldLink = $skin->makeKnownLinkObj( $oldSubpage );
 402                                 $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink,
 403                                         htmlspecialchars(Title::makeName( $newNs, $newPageName )));
 404                                 continue;
 405                         }
 406
 407                         # This was copy-pasted from Renameuser, bleh.
 408                         if ( $newSubpage->exists() && !$oldSubpage->isValidMoveTarget( $newSubpage ) ) {
 409                                 $link = $skin->makeKnownLinkObj( $newSubpage );
 410                                 $extraOutput []= wfMsgHtml( 'movepage-page-exists', $link );
 411                         } else {
 412                                 $success = $oldSubpage->moveTo( $newSubpage, true, $this->reason );
 413                                 if( $success === true ) {
 414                                         if ( $this->fixRedirects ) {
 415                                                 DoubleRedirectJob::fixRedirects( 'move', $oldSubpage, $newSubpage );
 416                                         }
 417                                         $oldLink = $skin->makeKnownLinkObj( $oldSubpage, '', 'redirect=no' );
 418                                         $newLink = $skin->makeKnownLinkObj( $newSubpage );
 419                                         $extraOutput []= wfMsgHtml( 'movepage-page-moved', $oldLink, $newLink );
 420                                 } else {
 421                                         $oldLink = $skin->makeKnownLinkObj( $oldSubpage );
 422                                         $newLink = $skin->makeLinkObj( $newSubpage );
 423                                         $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink, $newLink );
 424                                 }
 425                         }
 426
 427                         ++$count;
 428                         if( $count >= $wgMaximumMovedPages ) {
 429                                 $extraOutput []= wfMsgExt( 'movepage-max-pages', array( 'parsemag', 'escape' ), $wgLang->formatNum( $wgMaximumMovedPages ) );
 430                                 break;
 431                         }
 432                 }
 433
 434                 if( $extraOutput !== array() ) {
 435                         $wgOut->addHTML( "<ul>\n<li>" . implode( "</li>\n<li>", $extraOutput ) . "</li>\n</ul>" );
 436                 }
 437
 438                 # Deal with watches (we don't watch subpages)
 439                 if( $this->watch ) {
 440                         $wgUser->addWatch( $ot );
 441                         $wgUser->addWatch( $nt );
 442                 } else {
 443                         $wgUser->removeWatch( $ot );
 444                         $wgUser->removeWatch( $nt );
 445                 }
 446         }
 447
 448         function showLogFragment( $title, &$out ) {
 449                 $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'move' ) ) );
 450                 LogEventsList::showLogExtract( $out, 'move', $title->getPrefixedText() );
 451         }
 452
 453 }