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