--- /dev/null
+<?php
+/**
+ * MediaWiki page data importer.
+ *
+ * Copyright © 2003,2005 Brion Vibber <brion@pobox.com>
+ * https://www.mediawiki.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * Represents a revision, log entry or upload during the import process.
+ * This class sticks closely to the structure of the XML dump.
+ *
+ * @since 1.2
+ *
+ * @ingroup SpecialPage
+ */
+class WikiRevision {
+
+ /**
+ * @since 1.17
+ * @deprecated in 1.29. Unused.
+ * @note Introduced in 9b3128eb2b654761f21fd4ca1d5a1a4b796dc912, unused there, unused now.
+ */
+ public $importer = null;
+
+ /**
+ * @since 1.2
+ * @var Title
+ */
+ public $title = null;
+
+ /**
+ * @since 1.6.4
+ * @var int
+ */
+ public $id = 0;
+
+ /**
+ * @since 1.2
+ * @var string
+ */
+ public $timestamp = "20010115000000";
+
+ /**
+ * @since 1.2
+ * @var int
+ * @deprecated in 1.29. Unused.
+ * @note Introduced in 436a028086fb3f01c4605c5ad2964d56f9306aca, unused there, unused now.
+ */
+ public $user = 0;
+
+ /**
+ * @since 1.2
+ * @var string
+ */
+ public $user_text = "";
+
+ /**
+ * @since 1.27
+ * @var User
+ */
+ public $userObj = null;
+
+ /**
+ * @since 1.21
+ * @var string
+ */
+ public $model = null;
+
+ /**
+ * @since 1.21
+ * @var string
+ */
+ public $format = null;
+
+ /**
+ * @since 1.2
+ * @var string
+ */
+ public $text = "";
+
+ /**
+ * @since 1.12.2
+ * @var int
+ */
+ protected $size;
+
+ /**
+ * @since 1.21
+ * @var Content
+ */
+ public $content = null;
+
+ /**
+ * @since 1.24
+ * @var ContentHandler
+ */
+ protected $contentHandler = null;
+
+ /**
+ * @since 1.2.6
+ * @var string
+ */
+ public $comment = "";
+
+ /**
+ * @since 1.5.7
+ * @var bool
+ */
+ public $minor = false;
+
+ /**
+ * @since 1.12.2
+ * @var string
+ */
+ public $type = "";
+
+ /**
+ * @since 1.12.2
+ * @var string
+ */
+ public $action = "";
+
+ /**
+ * @since 1.12.2
+ * @var string
+ */
+ public $params = "";
+
+ /**
+ * @since 1.17
+ * @var string
+ */
+ public $fileSrc = '';
+
+ /**
+ * @since 1.17
+ * @var bool|string
+ */
+ public $sha1base36 = false;
+
+ /**
+ * @since 1.17
+ * @var string
+ */
+ public $archiveName = '';
+
+ /**
+ * @since 1.12.2
+ */
+ protected $filename;
+
+ /**
+ * @since 1.12.2
+ * @var mixed
+ */
+ protected $src;
+
+ /**
+ * @since 1.18
+ * @var bool
+ * @todo Unused?
+ */
+ public $isTemp = false;
+
+ /**
+ * @since 1.18
+ * @deprecated 1.29 use Wikirevision::isTempSrc()
+ * First written to in 43d5d3b682cc1733ad01a837d11af4a402d57e6a
+ * Actually introduced in 52cd34acf590e5be946b7885ffdc13a157c1c6cf
+ */
+ public $fileIsTemp;
+
+ /** @var bool */
+ private $mNoUpdates = false;
+
+ /** @var Config $config */
+ private $config;
+
+ public function __construct( Config $config ) {
+ $this->config = $config;
+ }
+
+ /**
+ * @since 1.7 taking a Title object (string before)
+ * @param Title $title
+ * @throws MWException
+ */
+ public function setTitle( $title ) {
+ if ( is_object( $title ) ) {
+ $this->title = $title;
+ } elseif ( is_null( $title ) ) {
+ throw new MWException( "WikiRevision given a null title in import. "
+ . "You may need to adjust \$wgLegalTitleChars." );
+ } else {
+ throw new MWException( "WikiRevision given non-object title in import." );
+ }
+ }
+
+ /**
+ * @since 1.6.4
+ * @param int $id
+ */
+ public function setID( $id ) {
+ $this->id = $id;
+ }
+
+ /**
+ * @since 1.2
+ * @param string $ts
+ */
+ public function setTimestamp( $ts ) {
+ # 2003-08-05T18:30:02Z
+ $this->timestamp = wfTimestamp( TS_MW, $ts );
+ }
+
+ /**
+ * @since 1.2
+ * @param string $user
+ */
+ public function setUsername( $user ) {
+ $this->user_text = $user;
+ }
+
+ /**
+ * @since 1.27
+ * @param User $user
+ */
+ public function setUserObj( $user ) {
+ $this->userObj = $user;
+ }
+
+ /**
+ * @since 1.2
+ * @param string $ip
+ */
+ public function setUserIP( $ip ) {
+ $this->user_text = $ip;
+ }
+
+ /**
+ * @since 1.21
+ * @param string $model
+ */
+ public function setModel( $model ) {
+ $this->model = $model;
+ }
+
+ /**
+ * @since 1.21
+ * @param string $format
+ */
+ public function setFormat( $format ) {
+ $this->format = $format;
+ }
+
+ /**
+ * @since 1.2
+ * @param string $text
+ */
+ public function setText( $text ) {
+ $this->text = $text;
+ }
+
+ /**
+ * @since 1.2.6
+ * @param string $text
+ */
+ public function setComment( $text ) {
+ $this->comment = $text;
+ }
+
+ /**
+ * @since 1.5.7
+ * @param bool $minor
+ */
+ public function setMinor( $minor ) {
+ $this->minor = (bool)$minor;
+ }
+
+ /**
+ * @since 1.12.2
+ * @param mixed $src
+ */
+ public function setSrc( $src ) {
+ $this->src = $src;
+ }
+
+ /**
+ * @since 1.17
+ * @param string $src
+ * @param bool $isTemp
+ */
+ public function setFileSrc( $src, $isTemp ) {
+ $this->fileSrc = $src;
+ $this->fileIsTemp = $isTemp;
+ $this->isTemp = $isTemp;
+ }
+
+ /**
+ * @since 1.17
+ * @param string $sha1base36
+ */
+ public function setSha1Base36( $sha1base36 ) {
+ $this->sha1base36 = $sha1base36;
+ }
+
+ /**
+ * @since 1.12.2
+ * @param string $filename
+ */
+ public function setFilename( $filename ) {
+ $this->filename = $filename;
+ }
+
+ /**
+ * @since 1.17
+ * @param string $archiveName
+ */
+ public function setArchiveName( $archiveName ) {
+ $this->archiveName = $archiveName;
+ }
+
+ /**
+ * @since 1.12.2
+ * @param int $size
+ */
+ public function setSize( $size ) {
+ $this->size = intval( $size );
+ }
+
+ /**
+ * @since 1.12.2
+ * @param string $type
+ */
+ public function setType( $type ) {
+ $this->type = $type;
+ }
+
+ /**
+ * @since 1.12.2
+ * @param string $action
+ */
+ public function setAction( $action ) {
+ $this->action = $action;
+ }
+
+ /**
+ * @since 1.12.2
+ * @param array $params
+ */
+ public function setParams( $params ) {
+ $this->params = $params;
+ }
+
+ /**
+ * @since 1.18
+ * @param bool $noupdates
+ */
+ public function setNoUpdates( $noupdates ) {
+ $this->mNoUpdates = $noupdates;
+ }
+
+ /**
+ * @since 1.2
+ * @return Title
+ */
+ public function getTitle() {
+ return $this->title;
+ }
+
+ /**
+ * @since 1.6.4
+ * @return int
+ */
+ public function getID() {
+ return $this->id;
+ }
+
+ /**
+ * @since 1.2
+ * @return string
+ */
+ public function getTimestamp() {
+ return $this->timestamp;
+ }
+
+ /**
+ * @since 1.2
+ * @return string
+ */
+ public function getUser() {
+ return $this->user_text;
+ }
+
+ /**
+ * @since 1.27
+ * @return User
+ */
+ public function getUserObj() {
+ return $this->userObj;
+ }
+
+ /**
+ * @since 1.2
+ * @return string
+ */
+ public function getText() {
+ return $this->text;
+ }
+
+ /**
+ * @since 1.24
+ * @return ContentHandler
+ */
+ public function getContentHandler() {
+ if ( is_null( $this->contentHandler ) ) {
+ $this->contentHandler = ContentHandler::getForModelID( $this->getModel() );
+ }
+
+ return $this->contentHandler;
+ }
+
+ /**
+ * @since 1.21
+ * @return Content
+ */
+ public function getContent() {
+ if ( is_null( $this->content ) ) {
+ $handler = $this->getContentHandler();
+ $this->content = $handler->unserializeContent( $this->text, $this->getFormat() );
+ }
+
+ return $this->content;
+ }
+
+ /**
+ * @since 1.21
+ * @return string
+ */
+ public function getModel() {
+ if ( is_null( $this->model ) ) {
+ $this->model = $this->getTitle()->getContentModel();
+ }
+
+ return $this->model;
+ }
+
+ /**
+ * @since 1.21
+ * @return string
+ */
+ public function getFormat() {
+ if ( is_null( $this->format ) ) {
+ $this->format = $this->getContentHandler()->getDefaultFormat();
+ }
+
+ return $this->format;
+ }
+
+ /**
+ * @since 1.2.6
+ * @return string
+ */
+ public function getComment() {
+ return $this->comment;
+ }
+
+ /**
+ * @since 1.5.7
+ * @return bool
+ */
+ public function getMinor() {
+ return $this->minor;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return mixed
+ */
+ public function getSrc() {
+ return $this->src;
+ }
+
+ /**
+ * @since 1.17
+ * @return bool|string
+ */
+ public function getSha1() {
+ if ( $this->sha1base36 ) {
+ return Wikimedia\base_convert( $this->sha1base36, 36, 16 );
+ }
+ return false;
+ }
+
+ /**
+ * @since 1.17
+ * @return string
+ */
+ public function getFileSrc() {
+ return $this->fileSrc;
+ }
+
+ /**
+ * @since 1.17
+ * @return bool
+ */
+ public function isTempSrc() {
+ return $this->isTemp;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return mixed
+ */
+ public function getFilename() {
+ return $this->filename;
+ }
+
+ /**
+ * @since 1.17
+ * @return string
+ */
+ public function getArchiveName() {
+ return $this->archiveName;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return mixed
+ */
+ public function getSize() {
+ return $this->size;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return string
+ */
+ public function getType() {
+ return $this->type;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return string
+ */
+ public function getAction() {
+ return $this->action;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return string
+ */
+ public function getParams() {
+ return $this->params;
+ }
+
+ /**
+ * @since 1.4.1
+ * @return bool
+ */
+ public function importOldRevision() {
+ $dbw = wfGetDB( DB_MASTER );
+
+ # Sneak a single revision into place
+ $user = $this->getUserObj() ?: User::newFromName( $this->getUser() );
+ if ( $user ) {
+ $userId = intval( $user->getId() );
+ $userText = $user->getName();
+ } else {
+ $userId = 0;
+ $userText = $this->getUser();
+ $user = new User;
+ }
+
+ // avoid memory leak...?
+ Title::clearCaches();
+
+ $page = WikiPage::factory( $this->title );
+ $page->loadPageData( 'fromdbmaster' );
+ if ( !$page->exists() ) {
+ // must create the page...
+ $pageId = $page->insertOn( $dbw );
+ $created = true;
+ $oldcountable = null;
+ } else {
+ $pageId = $page->getId();
+ $created = false;
+
+ // Note: sha1 has been in XML dumps since 2012. If you have an
+ // older dump, the duplicate detection here won't work.
+ $prior = $dbw->selectField( 'revision', '1',
+ [ 'rev_page' => $pageId,
+ 'rev_timestamp' => $dbw->timestamp( $this->timestamp ),
+ 'rev_sha1' => $this->sha1base36 ],
+ __METHOD__
+ );
+ if ( $prior ) {
+ // @todo FIXME: This could fail slightly for multiple matches :P
+ wfDebug( __METHOD__ . ": skipping existing revision for [[" .
+ $this->title->getPrefixedText() . "]], timestamp " . $this->timestamp . "\n" );
+ return false;
+ }
+ }
+
+ if ( !$pageId ) {
+ // This seems to happen if two clients simultaneously try to import the
+ // same page
+ wfDebug( __METHOD__ . ': got invalid $pageId when importing revision of [[' .
+ $this->title->getPrefixedText() . ']], timestamp ' . $this->timestamp . "\n" );
+ return false;
+ }
+
+ // Select previous version to make size diffs correct
+ // @todo This assumes that multiple revisions of the same page are imported
+ // in order from oldest to newest.
+ $prevId = $dbw->selectField( 'revision', 'rev_id',
+ [
+ 'rev_page' => $pageId,
+ 'rev_timestamp <= ' . $dbw->addQuotes( $dbw->timestamp( $this->timestamp ) ),
+ ],
+ __METHOD__,
+ [ 'ORDER BY' => [
+ 'rev_timestamp DESC',
+ 'rev_id DESC', // timestamp is not unique per page
+ ]
+ ]
+ );
+
+ # @todo FIXME: Use original rev_id optionally (better for backups)
+ # Insert the row
+ $revision = new Revision( [
+ 'title' => $this->title,
+ 'page' => $pageId,
+ 'content_model' => $this->getModel(),
+ 'content_format' => $this->getFormat(),
+ // XXX: just set 'content' => $this->getContent()?
+ 'text' => $this->getContent()->serialize( $this->getFormat() ),
+ 'comment' => $this->getComment(),
+ 'user' => $userId,
+ 'user_text' => $userText,
+ 'timestamp' => $this->timestamp,
+ 'minor_edit' => $this->minor,
+ 'parent_id' => $prevId,
+ ] );
+ $revision->insertOn( $dbw );
+ $changed = $page->updateIfNewerOn( $dbw, $revision );
+
+ if ( $changed !== false && !$this->mNoUpdates ) {
+ wfDebug( __METHOD__ . ": running updates\n" );
+ // countable/oldcountable stuff is handled in WikiImporter::finishImportPage
+ $page->doEditUpdates(
+ $revision,
+ $user,
+ [ 'created' => $created, 'oldcountable' => 'no-change' ]
+ );
+ }
+
+ return true;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return bool
+ */
+ public function importLogItem() {
+ $dbw = wfGetDB( DB_MASTER );
+
+ $user = $this->getUserObj() ?: User::newFromName( $this->getUser() );
+ if ( $user ) {
+ $userId = intval( $user->getId() );
+ $userText = $user->getName();
+ } else {
+ $userId = 0;
+ $userText = $this->getUser();
+ }
+
+ # @todo FIXME: This will not record autoblocks
+ if ( !$this->getTitle() ) {
+ wfDebug( __METHOD__ . ": skipping invalid {$this->type}/{$this->action} log time, timestamp " .
+ $this->timestamp . "\n" );
+ return false;
+ }
+ # Check if it exists already
+ // @todo FIXME: Use original log ID (better for backups)
+ $prior = $dbw->selectField( 'logging', '1',
+ [ 'log_type' => $this->getType(),
+ 'log_action' => $this->getAction(),
+ 'log_timestamp' => $dbw->timestamp( $this->timestamp ),
+ 'log_namespace' => $this->getTitle()->getNamespace(),
+ 'log_title' => $this->getTitle()->getDBkey(),
+ # 'log_user_text' => $this->user_text,
+ 'log_params' => $this->params ],
+ __METHOD__
+ );
+ // @todo FIXME: This could fail slightly for multiple matches :P
+ if ( $prior ) {
+ wfDebug( __METHOD__
+ . ": skipping existing item for Log:{$this->type}/{$this->action}, timestamp "
+ . $this->timestamp . "\n" );
+ return false;
+ }
+ $data = [
+ 'log_type' => $this->type,
+ 'log_action' => $this->action,
+ 'log_timestamp' => $dbw->timestamp( $this->timestamp ),
+ 'log_user' => $userId,
+ 'log_user_text' => $userText,
+ 'log_namespace' => $this->getTitle()->getNamespace(),
+ 'log_title' => $this->getTitle()->getDBkey(),
+ 'log_params' => $this->params
+ ] + CommentStore::newKey( 'log_comment' )->insert( $dbw, $this->getComment() );
+ $dbw->insert( 'logging', $data, __METHOD__ );
+
+ return true;
+ }
+
+ /**
+ * @since 1.12.2
+ * @return bool
+ */
+ public function importUpload() {
+ # Construct a file
+ $archiveName = $this->getArchiveName();
+ if ( $archiveName ) {
+ wfDebug( __METHOD__ . "Importing archived file as $archiveName\n" );
+ $file = OldLocalFile::newFromArchiveName( $this->getTitle(),
+ RepoGroup::singleton()->getLocalRepo(), $archiveName );
+ } else {
+ $file = wfLocalFile( $this->getTitle() );
+ $file->load( File::READ_LATEST );
+ wfDebug( __METHOD__ . 'Importing new file as ' . $file->getName() . "\n" );
+ if ( $file->exists() && $file->getTimestamp() > $this->getTimestamp() ) {
+ $archiveName = $file->getTimestamp() . '!' . $file->getName();
+ $file = OldLocalFile::newFromArchiveName( $this->getTitle(),
+ RepoGroup::singleton()->getLocalRepo(), $archiveName );
+ wfDebug( __METHOD__ . "File already exists; importing as $archiveName\n" );
+ }
+ }
+ if ( !$file ) {
+ wfDebug( __METHOD__ . ': Bad file for ' . $this->getTitle() . "\n" );
+ return false;
+ }
+
+ # Get the file source or download if necessary
+ $source = $this->getFileSrc();
+ $autoDeleteSource = $this->isTempSrc();
+ if ( !strlen( $source ) ) {
+ $source = $this->downloadSource();
+ $autoDeleteSource = true;
+ }
+ if ( !strlen( $source ) ) {
+ wfDebug( __METHOD__ . ": Could not fetch remote file.\n" );
+ return false;
+ }
+
+ $tmpFile = new TempFSFile( $source );
+ if ( $autoDeleteSource ) {
+ $tmpFile->autocollect();
+ }
+
+ $sha1File = ltrim( sha1_file( $source ), '0' );
+ $sha1 = $this->getSha1();
+ if ( $sha1 && ( $sha1 !== $sha1File ) ) {
+ wfDebug( __METHOD__ . ": Corrupt file $source.\n" );
+ return false;
+ }
+
+ $user = $this->getUserObj() ?: User::newFromName( $this->getUser() );
+
+ # Do the actual upload
+ if ( $archiveName ) {
+ $status = $file->uploadOld( $source, $archiveName,
+ $this->getTimestamp(), $this->getComment(), $user );
+ } else {
+ $flags = 0;
+ $status = $file->upload( $source, $this->getComment(), $this->getComment(),
+ $flags, false, $this->getTimestamp(), $user );
+ }
+
+ if ( $status->isGood() ) {
+ wfDebug( __METHOD__ . ": Successful\n" );
+ return true;
+ } else {
+ wfDebug( __METHOD__ . ': failed: ' . $status->getHTML() . "\n" );
+ return false;
+ }
+ }
+
+ /**
+ * @since 1.12.2
+ * @return bool|string
+ */
+ public function downloadSource() {
+ if ( !$this->config->get( 'EnableUploads' ) ) {
+ return false;
+ }
+
+ $tempo = tempnam( wfTempDir(), 'download' );
+ $f = fopen( $tempo, 'wb' );
+ if ( !$f ) {
+ wfDebug( "IMPORT: couldn't write to temp file $tempo\n" );
+ return false;
+ }
+
+ // @todo FIXME!
+ $src = $this->getSrc();
+ $data = Http::get( $src, [], __METHOD__ );
+ if ( !$data ) {
+ wfDebug( "IMPORT: couldn't fetch source $src\n" );
+ fclose( $f );
+ unlink( $tempo );
+ return false;
+ }
+
+ fwrite( $f, $data );
+ fclose( $f );
+
+ return $tempo;
+ }
+
+}