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