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