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; # Objects
  58         var $reason; # Text input
  59         var $moveTalk, $deleteAndMove, $moveSubpages, $fixRedirects, $leaveRedirect; # Checks
  60
  61         private $watch = false;
  62
  63         function __construct( $oldTitle, $newTitle ) {
  64                 global $wgRequest;
  65                 $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
  66                 $this->oldTitle = $oldTitle;
  67                 $this->newTitle = $newTitle;
  68                 $this->reason = $wgRequest->getText( 'wpReason' );
  69                 if ( $wgRequest->wasPosted() ) {
  70                         $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', false );
  71                         $this->fixRedirects = $wgRequest->getBool( 'wpFixRedirects', false );
  72                         $this->leaveRedirect = $wgRequest->getBool( 'wpLeaveRedirect', false );
  73                 } else {
  74                         $this->moveTalk = $wgRequest->getBool( 'wpMovetalk', true );
  75                         $this->fixRedirects = $wgRequest->getBool( 'wpFixRedirects', true );
  76                         $this->leaveRedirect = $wgRequest->getBool( 'wpLeaveRedirect', true );
  77                 }
  78                 $this->moveSubpages = $wgRequest->getBool( 'wpMovesubpages', false );
  79                 $this->deleteAndMove = $wgRequest->getBool( 'wpDeleteAndMove' ) && $wgRequest->getBool( 'wpConfirm' );
  80                 $this->watch = $wgRequest->getCheck( 'wpWatch' );
  81         }
  82
  83         /**
  84          * Show the form
  85          * @param mixed $err Error message. May either be a string message name or
  86          *    array message name and parameters, like the second argument to
  87          *    OutputPage::wrapWikiMsg().
  88          */
  89         function showForm( $err ) {
  90                 global $wgOut, $wgUser, $wgFixDoubleRedirects;
  91
  92                 $skin = $wgUser->getSkin();
  93
  94                 $oldTitleLink = $skin->makeLinkObj( $this->oldTitle );
  95
  96                 $wgOut->setPagetitle( wfMsg( 'move-page', $this->oldTitle->getPrefixedText() ) );
  97                 $wgOut->setSubtitle( wfMsg( 'move-page-backlink', $oldTitleLink ) );
  98
  99                 $newTitle = $this->newTitle;
 100
 101                 if( !$newTitle ) {
 102                         # Show the current title as a default
 103                         # when the form is first opened.
 104                         $newTitle = $this->oldTitle;
 105                 }
 106                 else {
 107                         if( empty($err) ) {
 108                                 # If a title was supplied, probably from the move log revert
 109                                 # link, check for validity. We can then show some diagnostic
 110                                 # information and save a click.
 111                                 $newerr = $this->oldTitle->isValidMoveOperation( $newTitle );
 112                                 if( $newerr ) {
 113                                         $err = $newerr[0];
 114                                 }
 115                         }
 116                 }
 117
 118                 if ( !empty($err) && $err[0] == 'articleexists' && $wgUser->isAllowed( 'delete' ) ) {
 119                         $wgOut->addWikiMsg( 'delete_and_move_text', $newTitle->getPrefixedText() );
 120                         $movepagebtn = wfMsg( 'delete_and_move' );
 121                         $submitVar = 'wpDeleteAndMove';
 122                         $confirm = "
 123                                 <tr>
 124                                         <td></td>
 125                                         <td class='mw-input'>" .
 126                                                 Xml::checkLabel( wfMsg( 'delete_and_move_confirm' ), 'wpConfirm', 'wpConfirm' ) .
 127                                         "</td>
 128                                 </tr>";
 129                         $err = '';
 130                 } else {
 131                         $wgOut->addWikiMsg( 'movepagetext' );
 132                         $movepagebtn = wfMsg( 'movepagebtn' );
 133                         $submitVar = 'wpMove';
 134                         $confirm = false;
 135                 }
 136
 137                 $oldTalk = $this->oldTitle->getTalkPage();
 138                 $considerTalk = ( !$this->oldTitle->isTalkPage() && $oldTalk->exists() );
 139
 140                 $dbr = wfGetDB( DB_SLAVE );
 141                 if ( $wgFixDoubleRedirects ) {
 142                         $hasRedirects = $dbr->selectField( 'redirect', '1',
 143                                 array(
 144                                         'rd_namespace' => $this->oldTitle->getNamespace(),
 145                                         'rd_title' => $this->oldTitle->getDBkey(),
 146                                 ) , __METHOD__ );
 147                 } else {
 148                         $hasRedirects = false;
 149                 }
 150
 151                 if ( $considerTalk ) {
 152                         $wgOut->addWikiMsg( 'movepagetalktext' );
 153                 }
 154
 155                 $titleObj = SpecialPage::getTitleFor( 'Movepage' );
 156                 $token = htmlspecialchars( $wgUser->editToken() );
 157
 158                 if ( !empty($err) ) {
 159                         $wgOut->setSubtitle( wfMsg( 'formerror' ) );
 160                         if( $err[0] == 'hookaborted' ) {
 161                                 $hookErr = $err[1];
 162                                 $errMsg = "<p><strong class=\"error\">$hookErr</strong></p>\n";
 163                                 $wgOut->addHTML( $errMsg );
 164                         } else {
 165                                 $wgOut->wrapWikiMsg( '<p><strong class="error">$1</strong></p>', $err );
 166                         }
 167                 }
 168
 169                 $wgOut->addHTML(
 170                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ), 'id' => 'movepage' ) ) .
 171                          Xml::openElement( 'fieldset' ) .
 172                          Xml::element( 'legend', null, wfMsg( 'move-page-legend' ) ) .
 173                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-movepage-table' ) ) .
 174                          "<tr>
 175                                 <td class='mw-label'>" .
 176                                         wfMsgHtml( 'movearticle' ) .
 177                                 "</td>
 178                                 <td class='mw-input'>
 179                                         <strong>{$oldTitleLink}</strong>
 180                                 </td>
 181                         </tr>
 182                         <tr>
 183                                 <td class='mw-label'>" .
 184                                         Xml::label( wfMsg( 'newtitle' ), 'wpNewTitle' ) .
 185                                 "</td>
 186                                 <td class='mw-input'>" .
 187                                         Xml::input( 'wpNewTitle', 40, $newTitle->getPrefixedText(), array( 'type' => 'text', 'id' => 'wpNewTitle' ) ) .
 188                                         Xml::hidden( 'wpOldTitle', $this->oldTitle->getPrefixedText() ) .
 189                                 "</td>
 190                         </tr>
 191                         <tr>
 192                                 <td class='mw-label'>" .
 193                                         Xml::label( wfMsg( 'movereason' ), 'wpReason' ) .
 194                                 "</td>
 195                                 <td class='mw-input'>" .
 196                                         Xml::tags( 'textarea', array( 'name' => 'wpReason', 'id' => 'wpReason', 'cols' => 60, 'rows' => 2 ), htmlspecialchars( $this->reason ) ) .
 197                                 "</td>
 198                         </tr>"
 199                 );
 200
 201                 if( $considerTalk ) {
 202                         $wgOut->addHTML( "
 203                                 <tr>
 204                                         <td></td>
 205                                         <td class='mw-input'>" .
 206                                                 Xml::checkLabel( wfMsg( 'movetalk' ), 'wpMovetalk', 'wpMovetalk', $this->moveTalk ) .
 207                                         "</td>
 208                                 </tr>"
 209                         );
 210                 }
 211
 212                 if ( $wgUser->isAllowed( 'suppressredirect' ) ) {
 213                         $wgOut->addHTML( "
 214                                 <tr>
 215                                         <td></td>
 216                                         <td class='mw-input' >" .
 217                                                 Xml::checkLabel( wfMsg( 'move-leave-redirect' ), 'wpLeaveRedirect',
 218                                                         'wpLeaveRedirect', $this->leaveRedirect ) .
 219                                         "</td>
 220                                 </tr>"
 221                         );
 222                 }
 223
 224                 if ( $hasRedirects ) {
 225                         $wgOut->addHTML( "
 226                                 <tr>
 227                                         <td></td>
 228                                         <td class='mw-input' >" .
 229                                                 Xml::checkLabel( wfMsg( 'fix-double-redirects' ), 'wpFixRedirects',
 230                                                         'wpFixRedirects', $this->fixRedirects ) .
 231                                         "</td>
 232                                 </tr>"
 233                         );
 234                 }
 235
 236                 if( ($this->oldTitle->hasSubpages() || $this->oldTitle->getTalkPage()->hasSubpages())
 237                         && $this->oldTitle->userCan( 'move-subpages' ) )
 238                 {
 239                         global $wgMaximumMovedPages, $wgLang;
 240
 241                         $wgOut->addHTML( "
 242                                 <tr>
 243                                         <td></td>
 244                                         <td class=\"mw-input\">" .
 245                                 Xml::checkLabel( wfMsgExt(
 246                                                 ( $this->oldTitle->hasSubpages()
 247                                                         ? 'move-subpages'
 248                                                         : 'move-talk-subpages' ),
 249                                                 array( 'parsemag' ),
 250                                                 $wgLang->formatNum( $wgMaximumMovedPages ),
 251                                                 # $2 to allow use of PLURAL in message.
 252                                                 $wgMaximumMovedPages
 253                                         ),
 254                                         'wpMovesubpages', 'wpMovesubpages',
 255                                         # Don't check the box if we only have talk subpages to
 256                                         # move and we aren't moving the talk page.
 257                                         $this->moveSubpages && ($this->oldTitle->hasSubpages() || $this->moveTalk)
 258                                 ) .
 259                                         "</td>
 260                                 </tr>"
 261                         );
 262                 }
 263
 264                 $watchChecked = $this->watch || $wgUser->getBoolOption( 'watchmoves' )
 265                         || $this->oldTitle->userIsWatching();
 266                 $wgOut->addHTML( "
 267                         <tr>
 268                                 <td></td>
 269                                 <td class='mw-input'>" .
 270                                         Xml::checkLabel( wfMsg( 'move-watch' ), 'wpWatch', 'watch', $watchChecked ) .
 271                                 "</td>
 272                         </tr>
 273                                 {$confirm}
 274                         <tr>
 275                                 <td>&nbsp;</td>
 276                                 <td class='mw-submit'>" .
 277                                         Xml::submitButton( $movepagebtn, array( 'name' => $submitVar ) ) .
 278                                 "</td>
 279                         </tr>" .
 280                         Xml::closeElement( 'table' ) .
 281                         Xml::hidden( 'wpEditToken', $token ) .
 282                         Xml::closeElement( 'fieldset' ) .
 283                         Xml::closeElement( 'form' ) .
 284                         "\n"
 285                 );
 286
 287                 $this->showLogFragment( $this->oldTitle, $wgOut );
 288                 $this->showSubpages( $this->oldTitle, $wgOut );
 289
 290         }
 291
 292         function doSubmit() {
 293                 global $wgOut, $wgUser, $wgRequest, $wgMaximumMovedPages, $wgLang;
 294                 global $wgFixDoubleRedirects;
 295
 296                 if ( $wgUser->pingLimiter( 'move' ) ) {
 297                         $wgOut->rateLimited();
 298                         return;
 299                 }
 300
 301                 $ot = $this->oldTitle;
 302                 $nt = $this->newTitle;
 303
 304                 # Delete to make way if requested
 305                 if ( $wgUser->isAllowed( 'delete' ) && $this->deleteAndMove ) {
 306                         $article = new Article( $nt );
 307
 308                         # Disallow deletions of big articles
 309                         $bigHistory = $article->isBigDeletion();
 310                         if( $bigHistory && !$nt->userCan( 'bigdelete' ) ) {
 311                                 global $wgLang, $wgDeleteRevisionsLimit;
 312                                 $this->showForm( array('delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
 313                                 return;
 314                         }
 315
 316                         // Delete an associated image if there is
 317                         $file = wfLocalFile( $nt );
 318                         if( $file->exists() ) {
 319                                 $file->delete( wfMsgForContent( 'delete_and_move_reason' ), false );
 320                         }
 321
 322                         // This may output an error message and exit
 323                         $article->doDelete( wfMsgForContent( 'delete_and_move_reason' ) );
 324                 }
 325
 326                 # don't allow moving to pages with # in
 327                 if ( !$nt || $nt->getFragment() != '' ) {
 328                         $this->showForm( 'badtitletext' );
 329                         return;
 330                 }
 331
 332                 if ( $wgUser->isAllowed( 'suppressredirect' ) ) {
 333                         $createRedirect = $this->leaveRedirect;
 334                 } else {
 335                         $createRedirect = true;
 336                 }
 337
 338                 $error = $ot->moveTo( $nt, true, $this->reason, $createRedirect );
 339                 if ( $error !== true ) {
 340                         # FIXME: show all the errors in a list, not just the first one
 341                         $this->showForm( reset( $error ) );
 342                         return;
 343                 }
 344
 345                 if ( $wgFixDoubleRedirects && $this->fixRedirects ) {
 346                         DoubleRedirectJob::fixRedirects( 'move', $ot, $nt );
 347                 }
 348
 349                 wfRunHooks( 'SpecialMovepageAfterMove', array( &$this , &$ot , &$nt ) ) ;
 350
 351                 $wgOut->setPagetitle( wfMsg( 'pagemovedsub' ) );
 352
 353                 $oldUrl = $ot->getFullUrl( 'redirect=no' );
 354                 $newUrl = $nt->getFullUrl();
 355                 $oldText = $ot->getPrefixedText();
 356                 $newText = $nt->getPrefixedText();
 357                 $oldLink = "<span class='plainlinks'>[$oldUrl $oldText]</span>";
 358                 $newLink = "<span class='plainlinks'>[$newUrl $newText]</span>";
 359
 360                 $msgName = $createRedirect ? 'movepage-moved-redirect' : 'movepage-moved-noredirect';
 361                 $wgOut->addWikiMsg( 'movepage-moved', $oldLink, $newLink, $oldText, $newText );
 362                 $wgOut->addWikiMsg( $msgName );
 363
 364                 # Now we move extra pages we've been asked to move: subpages and talk
 365                 # pages.  First, if the old page or the new page is a talk page, we
 366                 # can't move any talk pages: cancel that.
 367                 if( $ot->isTalkPage() || $nt->isTalkPage() ) {
 368                         $this->moveTalk = false;
 369                 }
 370
 371                 if( !$ot->userCan( 'move-subpages' ) ) {
 372                         $this->moveSubpages = false;
 373                 }
 374
 375                 # Next make a list of id's.  This might be marginally less efficient
 376                 # than a more direct method, but this is not a highly performance-cri-
 377                 # tical code path and readable code is more important here.
 378                 #
 379                 # Note: this query works nicely on MySQL 5, but the optimizer in MySQL
 380                 # 4 might get confused.  If so, consider rewriting as a UNION.
 381                 #
 382                 # If the target namespace doesn't allow subpages, moving with subpages
 383                 # would mean that you couldn't move them back in one operation, which
 384                 # is bad.  FIXME: A specific error message should be given in this
 385                 # case.
 386
 387                 // FIXME: Use Title::moveSubpages() here
 388                 $dbr = wfGetDB( DB_MASTER );
 389                 if( $this->moveSubpages && (
 390                         MWNamespace::hasSubpages( $nt->getNamespace() ) || (
 391                                 $this->moveTalk &&
 392                                 MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() )
 393                         )
 394                 ) ) {
 395                         $conds = array(
 396                                 'page_title LIKE '.$dbr->addQuotes( $dbr->escapeLike( $ot->getDBkey() ) . '/%' )
 397                                         .' OR page_title = ' . $dbr->addQuotes( $ot->getDBkey() )
 398                         );
 399                         $conds['page_namespace'] = array();
 400                         if( MWNamespace::hasSubpages( $nt->getNamespace() ) ) {
 401                                 $conds['page_namespace'] []= $ot->getNamespace();
 402                         }
 403                         if( $this->moveTalk && MWNamespace::hasSubpages( $nt->getTalkPage()->getNamespace() ) ) {
 404                                 $conds['page_namespace'] []= $ot->getTalkPage()->getNamespace();
 405                         }
 406                 } elseif( $this->moveTalk ) {
 407                         $conds = array(
 408                                 'page_namespace' => $ot->getTalkPage()->getNamespace(),
 409                                 'page_title' => $ot->getDBKey()
 410                         );
 411                 } else {
 412                         # Skip the query
 413                         $conds = null;
 414                 }
 415
 416                 $extraPages = array();
 417                 if( !is_null( $conds ) ) {
 418                         $extraPages = TitleArray::newFromResult(
 419                                 $dbr->select( 'page',
 420                                         array( 'page_id', 'page_namespace', 'page_title' ),
 421                                         $conds,
 422                                         __METHOD__
 423                                 )
 424                         );
 425                 }
 426
 427                 $extraOutput = array();
 428                 $skin = $wgUser->getSkin();
 429                 $count = 1;
 430                 foreach( $extraPages as $oldSubpage ) {
 431                         if( $oldSubpage->getArticleId() == $ot->getArticleId() ) {
 432                                 # Already did this one.
 433                                 continue;
 434                         }
 435
 436                         $newPageName = preg_replace(
 437                                 '#^'.preg_quote( $ot->getDBKey(), '#' ).'#',
 438                                 $nt->getDBKey(),
 439                                 $oldSubpage->getDBKey()
 440                         );
 441                         if( $oldSubpage->isTalkPage() ) {
 442                                 $newNs = $nt->getTalkPage()->getNamespace();
 443                         } else {
 444                                 $newNs = $nt->getSubjectPage()->getNamespace();
 445                         }
 446                         # Bug 14385: we need makeTitleSafe because the new page names may
 447                         # be longer than 255 characters.
 448                         $newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
 449                         if( !$newSubpage ) {
 450                                 $oldLink = $skin->makeKnownLinkObj( $oldSubpage );
 451                                 $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink,
 452                                         htmlspecialchars(Title::makeName( $newNs, $newPageName )));
 453                                 continue;
 454                         }
 455
 456                         # This was copy-pasted from Renameuser, bleh.
 457                         if ( $newSubpage->exists() && !$oldSubpage->isValidMoveTarget( $newSubpage ) ) {
 458                                 $link = $skin->makeKnownLinkObj( $newSubpage );
 459                                 $extraOutput []= wfMsgHtml( 'movepage-page-exists', $link );
 460                         } else {
 461                                 $success = $oldSubpage->moveTo( $newSubpage, true, $this->reason, $createRedirect );
 462                                 if( $success === true ) {
 463                                         if ( $this->fixRedirects ) {
 464                                                 DoubleRedirectJob::fixRedirects( 'move', $oldSubpage, $newSubpage );
 465                                         }
 466                                         $oldLink = $skin->makeKnownLinkObj( $oldSubpage, '', 'redirect=no' );
 467                                         $newLink = $skin->makeKnownLinkObj( $newSubpage );
 468                                         $extraOutput []= wfMsgHtml( 'movepage-page-moved', $oldLink, $newLink );
 469                                 } else {
 470                                         $oldLink = $skin->makeKnownLinkObj( $oldSubpage );
 471                                         $newLink = $skin->makeLinkObj( $newSubpage );
 472                                         $extraOutput []= wfMsgHtml( 'movepage-page-unmoved', $oldLink, $newLink );
 473                                 }
 474                         }
 475
 476                         ++$count;
 477                         if( $count >= $wgMaximumMovedPages ) {
 478                                 $extraOutput []= wfMsgExt( 'movepage-max-pages', array( 'parsemag', 'escape' ), $wgLang->formatNum( $wgMaximumMovedPages ) );
 479                                 break;
 480                         }
 481                 }
 482
 483                 if( $extraOutput !== array() ) {
 484                         $wgOut->addHTML( "<ul>\n<li>" . implode( "</li>\n<li>", $extraOutput ) . "</li>\n</ul>" );
 485                 }
 486
 487                 # Deal with watches (we don't watch subpages)
 488                 if( $this->watch ) {
 489                         $wgUser->addWatch( $ot );
 490                         $wgUser->addWatch( $nt );
 491                 } else {
 492                         $wgUser->removeWatch( $ot );
 493                         $wgUser->removeWatch( $nt );
 494                 }
 495         }
 496
 497         function showLogFragment( $title, &$out ) {
 498                 $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'move' ) ) );
 499                 LogEventsList::showLogExtract( $out, 'move', $title->getPrefixedText() );
 500         }
 501
 502         function showSubpages( $title, $out ) {
 503                 global $wgUser, $wgLang;
 504
 505                 if( !MWNamespace::hasSubpages( $title->getNamespace() ) )
 506                         return;
 507
 508                 $subpages = $title->getSubpages();
 509                 $count = $subpages instanceof TitleArray ? $subpages->count() : 0;
 510
 511                 $out->wrapWikiMsg( '== $1 ==', array( 'movesubpage', $count ) );
 512
 513                 # No subpages.
 514                 if ( $count == 0 ) {
 515                         $out->addWikiMsg( 'movenosubpage' );
 516                         return;
 517                 }
 518
 519                 $out->addWikiMsg( 'movesubpagetext', $wgLang->formatNum( $count ) );
 520                 $skin = $wgUser->getSkin();
 521                 $out->addHTML( "<ul>\n" );
 522
 523                 foreach( $subpages as $subpage ) {
 524                         $link = $skin->link( $subpage );
 525                         $out->addHTML( "<li>$link</li>\n" );
 526                 }
 527                 $out->addHTML( "</ul>\n" );
 528         }
 529 }
 530