includes/specials/SpecialImport.php

   1 <?php
   2 /**
   3  * MediaWiki page data importer
   4  * Copyright (C) 2003,2005 Brion Vibber <brion@pobox.com>
   5  * http://www.mediawiki.org/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  */
  25
  26 class SpecialImport extends SpecialPage {
  27
  28         private $interwiki = false;
  29         private $namespace;
  30         private $frompage = '';
  31         private $history = true;
  32
  33         /**
  34          * Constructor
  35          */
  36         public function __construct() {
  37                 parent::__construct( 'Import', 'import' );
  38                 global $wgImportTargetNamespace;
  39                 $this->namespace = $wgImportTargetNamespace;
  40         }
  41
  42         /**
  43          * Execute
  44          */
  45         function execute( $par ) {
  46                 global $wgRequest;
  47
  48                 $this->setHeaders();
  49                 $this->outputHeader();
  50
  51                 if ( wfReadOnly() ) {
  52                         global $wgOut;
  53                         $wgOut->readOnlyPage();
  54                         return;
  55                 }
  56
  57                 if ( $wgRequest->wasPosted() && $wgRequest->getVal( 'action' ) == 'submit' ) {
  58                         $this->doImport();
  59                 }
  60                 $this->showForm();
  61         }
  62
  63         /**
  64          * Do the actual import
  65          */
  66         private function doImport() {
  67                 global $wgOut, $wgRequest, $wgUser, $wgImportSources;
  68                 $isUpload = false;
  69                 $this->namespace = $wgRequest->getIntOrNull( 'namespace' );
  70                 $sourceName = $wgRequest->getVal( "source" );
  71
  72                 if ( !$wgUser->matchEditToken( $wgRequest->getVal( 'editToken' ) ) ) {
  73                         $source = new WikiErrorMsg( 'import-token-mismatch' );
  74                 } elseif ( $sourceName == 'upload' ) {
  75                         $isUpload = true;
  76                         if( $wgUser->isAllowed( 'importupload' ) ) {
  77                                 $source = ImportStreamSource::newFromUpload( "xmlimport" );
  78                         } else {
  79                                 return $wgOut->permissionRequired( 'importupload' );
  80                         }
  81                 } elseif ( $sourceName == "interwiki" ) {
  82                         $this->interwiki = $wgRequest->getVal( 'interwiki' );
  83                         if ( !in_array( $this->interwiki, $wgImportSources ) ) {
  84                                 $source = new WikiErrorMsg( "import-invalid-interwiki" );
  85                         } else {
  86                                 $this->history = $wgRequest->getCheck( 'interwikiHistory' );
  87                                 $this->frompage = $wgRequest->getText( "frompage" );
  88                                 $source = ImportStreamSource::newFromInterwiki(
  89                                         $this->interwiki,
  90                                         $this->frompage,
  91                                         $this->history );
  92                         }
  93                 } else {
  94                         $source = new WikiErrorMsg( "importunknownsource" );
  95                 }
  96
  97                 if( WikiError::isError( $source ) ) {
  98                         $wgOut->wrapWikiMsg( '<p class="error">$1</p>', array( 'importfailed', $source->getMessage() ) );
  99                 } else {
 100                         $wgOut->addWikiMsg( "importstart" );
 101
 102                         $importer = new WikiImporter( $source );
 103                         if( !is_null( $this->namespace ) ) {
 104                                 $importer->setTargetNamespace( $this->namespace );
 105                         }
 106                         $reporter = new ImportReporter( $importer, $isUpload, $this->interwiki );
 107
 108                         $reporter->open();
 109                         $result = $importer->doImport();
 110                         $resultCount = $reporter->close();
 111
 112                         if( WikiError::isError( $result ) ) {
 113                                 # No source or XML parse error
 114                                 $wgOut->wrapWikiMsg( '<p class="error">$1</p>', array( 'importfailed', $result->getMessage() ) );
 115                         } elseif( WikiError::isError( $resultCount ) ) {
 116                                 # Zero revisions
 117                                 $wgOut->wrapWikiMsg( '<p class="error">$1</p>', array( 'importfailed', $resultCount->getMessage() ) );
 118                         } else {
 119                                 # Success!
 120                                 $wgOut->addWikiMsg( 'importsuccess' );
 121                         }
 122                         $wgOut->addWikiText( '<hr />' );
 123                 }
 124         }
 125
 126         private function showForm() {
 127                 global $wgUser, $wgOut, $wgRequest, $wgTitle, $wgImportSources;
 128                 $action = $wgTitle->getLocalUrl( 'action=submit' );
 129
 130                 if( $wgUser->isAllowed( 'importupload' ) ) {
 131                         $wgOut->addWikiMsg( "importtext" );
 132                         $wgOut->addHTML(
 133                                 Xml::openElement( 'fieldset' ).
 134                                 Xml::element( 'legend', null, wfMsg( 'import-upload' ) ) .
 135                                 Xml::openElement( 'form', array( 'enctype' => 'multipart/form-data', 'method' => 'post', 'action' => $action ) ) .
 136                                 Xml::hidden( 'action', 'submit' ) .
 137                                 Xml::hidden( 'source', 'upload' ) .
 138                                 Xml::input( 'xmlimport', 50, '', array( 'type' => 'file' ) ) . ' ' .
 139                                 Xml::hidden( 'editToken', $wgUser->editToken() ) .
 140                                 Xml::submitButton( wfMsg( 'uploadbtn' ) ) .
 141                                 Xml::closeElement( 'form' ) .
 142                                 Xml::closeElement( 'fieldset' )
 143                         );
 144                 } else {
 145                         if( empty( $wgImportSources ) ) {
 146                                 $wgOut->addWikiMsg( 'importnosources' );
 147                         }
 148                 }
 149
 150                 if( !empty( $wgImportSources ) ) {
 151                         $wgOut->addHTML(
 152                                 Xml::openElement( 'fieldset' ) .
 153                                 Xml::element( 'legend', null, wfMsg( 'importinterwiki' ) ) .
 154                                 Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action ) ) .
 155                                 wfMsgExt( 'import-interwiki-text', array( 'parse' ) ) .
 156                                 Xml::hidden( 'action', 'submit' ) .
 157                                 Xml::hidden( 'source', 'interwiki' ) .
 158                                 Xml::hidden( 'editToken', $wgUser->editToken() ) .
 159                                 Xml::openElement( 'table', array( 'id' => 'mw-import-table' ) ) .
 160                                 "<tr>
 161                                         <td>" .
 162                                                 Xml::openElement( 'select', array( 'name' => 'interwiki' ) )
 163                         );
 164                         foreach( $wgImportSources as $prefix ) {
 165                                 $selected = ( $this->interwiki === $prefix ) ? ' selected="selected"' : '';
 166                                 $wgOut->addHTML( Xml::option( $prefix, $prefix, $selected ) );
 167                         }
 168                         $wgOut->addHTML(
 169                                                 Xml::closeElement( 'select' ) .
 170                                         "</td>
 171                                         <td>" .
 172                                                 Xml::input( 'frompage', 50, $this->frompage ) .
 173                                         "</td>
 174                                 </tr>
 175                                 <tr>
 176                                         <td>
 177                                         </td>
 178                                         <td>" .
 179                                                 Xml::checkLabel( wfMsg( 'import-interwiki-history' ), 'interwikiHistory', 'interwikiHistory', $this->history ) .
 180                                         "</td>
 181                                 </tr>
 182                                 <tr>
 183                                         <td>
 184                                         </td>
 185                                         <td>" .
 186                                                 Xml::label( wfMsg( 'import-interwiki-namespace' ), 'namespace' ) .
 187                                                 Xml::namespaceSelector( $this->namespace, '' ) .
 188                                         "</td>
 189                                 </tr>
 190                                 <tr>
 191                                         <td>
 192                                         </td>
 193                                         <td>" .
 194                                                 Xml::submitButton( wfMsg( 'import-interwiki-submit' ), array( 'accesskey' => 's' ) ) .
 195                                         "</td>
 196                                 </tr>" .
 197                                 Xml::closeElement( 'table' ).
 198                                 Xml::closeElement( 'form' ) .
 199                                 Xml::closeElement( 'fieldset' )
 200                         );
 201                 }
 202         }
 203 }
 204
 205 /**
 206  * Reporting callback
 207  * @ingroup SpecialPage
 208  */
 209 class ImportReporter {
 210         function __construct( $importer, $upload, $interwiki ) {
 211                 $importer->setPageOutCallback( array( $this, 'reportPage' ) );
 212                 $this->mPageCount = 0;
 213                 $this->mIsUpload = $upload;
 214                 $this->mInterwiki = $interwiki;
 215         }
 216
 217         function open() {
 218                 global $wgOut;
 219                 $wgOut->addHTML( "<ul>\n" );
 220         }
 221
 222         function reportPage( $title, $origTitle, $revisionCount, $successCount ) {
 223                 global $wgOut, $wgUser, $wgLang, $wgContLang;
 224
 225                 $skin = $wgUser->getSkin();
 226
 227                 $this->mPageCount++;
 228
 229                 $localCount = $wgLang->formatNum( $successCount );
 230                 $contentCount = $wgContLang->formatNum( $successCount );
 231
 232                 if( $successCount > 0 ) {
 233                         $wgOut->addHTML( "<li>" . $skin->makeKnownLinkObj( $title ) . " " .
 234                                 wfMsgExt( 'import-revision-count', array( 'parsemag', 'escape' ), $localCount ) .
 235                                 "</li>\n"
 236                         );
 237
 238                         $log = new LogPage( 'import' );
 239                         if( $this->mIsUpload ) {
 240                                 $detail = wfMsgExt( 'import-logentry-upload-detail', array( 'content', 'parsemag' ),
 241                                         $contentCount );
 242                                 $log->addEntry( 'upload', $title, $detail );
 243                         } else {
 244                                 $interwiki = '[[:' . $this->mInterwiki . ':' .
 245                                         $origTitle->getPrefixedText() . ']]';
 246                                 $detail = wfMsgExt( 'import-logentry-interwiki-detail', array( 'content', 'parsemag' ),
 247                                         $contentCount, $interwiki );
 248                                 $log->addEntry( 'interwiki', $title, $detail );
 249                         }
 250
 251                         $comment = $detail; // quick
 252                         $dbw = wfGetDB( DB_MASTER );
 253                         $latest = $title->getLatestRevID();
 254                         $nullRevision = Revision::newNullRevision( $dbw, $title->getArticleId(), $comment, true );
 255                         $nullRevision->insertOn( $dbw );
 256                         $article = new Article( $title );
 257                         # Update page record
 258                         $article->updateRevisionOn( $dbw, $nullRevision );
 259                         wfRunHooks( 'NewRevisionFromEditComplete', array($article, $nullRevision, $latest, $wgUser) );
 260                 } else {
 261                         $wgOut->addHTML( '<li>' . wfMsgHtml( 'import-nonewrevisions' ) . '</li>' );
 262                 }
 263         }
 264
 265         function close() {
 266                 global $wgOut;
 267                 if( $this->mPageCount == 0 ) {
 268                         $wgOut->addHTML( "</ul>\n" );
 269                         return new WikiErrorMsg( "importnopages" );
 270                 }
 271                 $wgOut->addHTML( "</ul>\n" );
 272
 273                 return $this->mPageCount;
 274         }
 275 }