summaryrefslogtreecommitdiff
path: root/includes/specials/SpecialImport.php
diff options
context:
space:
mode:
Diffstat (limited to 'includes/specials/SpecialImport.php')
-rw-r--r--includes/specials/SpecialImport.php1154
1 files changed, 1154 insertions, 0 deletions
diff --git a/includes/specials/SpecialImport.php b/includes/specials/SpecialImport.php
new file mode 100644
index 00000000..4c37f1f9
--- /dev/null
+++ b/includes/specials/SpecialImport.php
@@ -0,0 +1,1154 @@
+<?php
+/**
+ * MediaWiki page data importer
+ * Copyright (C) 2003,2005 Brion Vibber <brion@pobox.com>
+ * http://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
+ */
+
+/**
+ * Constructor
+ */
+function wfSpecialImport( $page = '' ) {
+ global $wgUser, $wgOut, $wgRequest, $wgTitle, $wgImportSources;
+ global $wgImportTargetNamespace;
+
+ $interwiki = false;
+ $namespace = $wgImportTargetNamespace;
+ $frompage = '';
+ $history = true;
+
+ if ( wfReadOnly() ) {
+ $wgOut->readOnlyPage();
+ return;
+ }
+
+ if( $wgRequest->wasPosted() && $wgRequest->getVal( 'action' ) == 'submit') {
+ $isUpload = false;
+ $namespace = $wgRequest->getIntOrNull( 'namespace' );
+
+ switch( $wgRequest->getVal( "source" ) ) {
+ case "upload":
+ $isUpload = true;
+ if( $wgUser->isAllowed( 'importupload' ) ) {
+ $source = ImportStreamSource::newFromUpload( "xmlimport" );
+ } else {
+ return $wgOut->permissionRequired( 'importupload' );
+ }
+ break;
+ case "interwiki":
+ $interwiki = $wgRequest->getVal( 'interwiki' );
+ $history = $wgRequest->getCheck( 'interwikiHistory' );
+ $frompage = $wgRequest->getText( "frompage" );
+ $source = ImportStreamSource::newFromInterwiki(
+ $interwiki,
+ $frompage,
+ $history );
+ break;
+ default:
+ $source = new WikiErrorMsg( "importunknownsource" );
+ }
+
+ if( WikiError::isError( $source ) ) {
+ $wgOut->wrapWikiMsg( '<p class="error">$1</p>', array( 'importfailed', $source->getMessage() ) );
+ } else {
+ $wgOut->addWikiMsg( "importstart" );
+
+ $importer = new WikiImporter( $source );
+ if( !is_null( $namespace ) ) {
+ $importer->setTargetNamespace( $namespace );
+ }
+ $reporter = new ImportReporter( $importer, $isUpload, $interwiki );
+
+ $reporter->open();
+ $result = $importer->doImport();
+ $resultCount = $reporter->close();
+
+ if( WikiError::isError( $result ) ) {
+ # No source or XML parse error
+ $wgOut->wrapWikiMsg( '<p class="error">$1</p>', array( 'importfailed', $result->getMessage() ) );
+ } elseif( WikiError::isError( $resultCount ) ) {
+ # Zero revisions
+ $wgOut->wrapWikiMsg( '<p class="error">$1</p>', array( 'importfailed', $resultCount->getMessage() ) );
+ } else {
+ # Success!
+ $wgOut->addWikiMsg( 'importsuccess' );
+ }
+ $wgOut->addWikiText( '<hr />' );
+ }
+ }
+
+ $action = $wgTitle->getLocalUrl( 'action=submit' );
+
+ if( $wgUser->isAllowed( 'importupload' ) ) {
+ $wgOut->addWikiMsg( "importtext" );
+ $wgOut->addHTML(
+ Xml::openElement( 'fieldset' ).
+ Xml::element( 'legend', null, wfMsg( 'import-upload' ) ) .
+ Xml::openElement( 'form', array( 'enctype' => 'multipart/form-data', 'method' => 'post', 'action' => $action ) ) .
+ Xml::hidden( 'action', 'submit' ) .
+ Xml::hidden( 'source', 'upload' ) .
+ Xml::input( 'xmlimport', 50, '', array( 'type' => 'file' ) ) . ' ' .
+ Xml::submitButton( wfMsg( 'uploadbtn' ) ) .
+ Xml::closeElement( 'form' ) .
+ Xml::closeElement( 'fieldset' )
+ );
+ } else {
+ if( empty( $wgImportSources ) ) {
+ $wgOut->addWikiMsg( 'importnosources' );
+ }
+ }
+
+ if( !empty( $wgImportSources ) ) {
+ $wgOut->addHTML(
+ Xml::openElement( 'fieldset' ) .
+ Xml::element( 'legend', null, wfMsg( 'importinterwiki' ) ) .
+ Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action ) ) .
+ wfMsgExt( 'import-interwiki-text', array( 'parse' ) ) .
+ Xml::hidden( 'action', 'submit' ) .
+ Xml::hidden( 'source', 'interwiki' ) .
+ Xml::openElement( 'table', array( 'id' => 'mw-import-table' ) ) .
+ "<tr>
+ <td>" .
+ Xml::openElement( 'select', array( 'name' => 'interwiki' ) )
+ );
+ foreach( $wgImportSources as $prefix ) {
+ $selected = ( $interwiki === $prefix ) ? ' selected="selected"' : '';
+ $wgOut->addHTML( Xml::option( $prefix, $prefix, $selected ) );
+ }
+ $wgOut->addHTML(
+ Xml::closeElement( 'select' ) .
+ "</td>
+ <td>" .
+ Xml::input( 'frompage', 50, $frompage ) .
+ "</td>
+ </tr>
+ <tr>
+ <td>
+ </td>
+ <td>" .
+ Xml::checkLabel( wfMsg( 'import-interwiki-history' ), 'interwikiHistory', 'interwikiHistory', $history ) .
+ "</td>
+ </tr>
+ <tr>
+ <td>
+ </td>
+ <td>" .
+ Xml::label( wfMsg( 'import-interwiki-namespace' ), 'namespace' ) .
+ Xml::namespaceSelector( $namespace, '' ) .
+ "</td>
+ </tr>
+ <tr>
+ <td>
+ </td>
+ <td>" .
+ Xml::submitButton( wfMsg( 'import-interwiki-submit' ) ) .
+ "</td>
+ </tr>" .
+ Xml::closeElement( 'table' ).
+ Xml::closeElement( 'form' ) .
+ Xml::closeElement( 'fieldset' )
+ );
+ }
+}
+
+/**
+ * Reporting callback
+ * @ingroup SpecialPage
+ */
+class ImportReporter {
+ function __construct( $importer, $upload, $interwiki ) {
+ $importer->setPageOutCallback( array( $this, 'reportPage' ) );
+ $this->mPageCount = 0;
+ $this->mIsUpload = $upload;
+ $this->mInterwiki = $interwiki;
+ }
+
+ function open() {
+ global $wgOut;
+ $wgOut->addHtml( "<ul>\n" );
+ }
+
+ function reportPage( $title, $origTitle, $revisionCount, $successCount ) {
+ global $wgOut, $wgUser, $wgLang, $wgContLang;
+
+ $skin = $wgUser->getSkin();
+
+ $this->mPageCount++;
+
+ $localCount = $wgLang->formatNum( $successCount );
+ $contentCount = $wgContLang->formatNum( $successCount );
+
+ if( $successCount > 0 ) {
+ $wgOut->addHtml( "<li>" . $skin->makeKnownLinkObj( $title ) . " " .
+ wfMsgExt( 'import-revision-count', array( 'parsemag', 'escape' ), $localCount ) .
+ "</li>\n"
+ );
+
+ $log = new LogPage( 'import' );
+ if( $this->mIsUpload ) {
+ $detail = wfMsgExt( 'import-logentry-upload-detail', array( 'content', 'parsemag' ),
+ $contentCount );
+ $log->addEntry( 'upload', $title, $detail );
+ } else {
+ $interwiki = '[[:' . $this->mInterwiki . ':' .
+ $origTitle->getPrefixedText() . ']]';
+ $detail = wfMsgExt( 'import-logentry-interwiki-detail', array( 'content', 'parsemag' ),
+ $contentCount, $interwiki );
+ $log->addEntry( 'interwiki', $title, $detail );
+ }
+
+ $comment = $detail; // quick
+ $dbw = wfGetDB( DB_MASTER );
+ $nullRevision = Revision::newNullRevision( $dbw, $title->getArticleId(), $comment, true );
+ $nullRevision->insertOn( $dbw );
+ $article = new Article( $title );
+ # Update page record
+ $article->updateRevisionOn( $dbw, $nullRevision );
+ wfRunHooks( 'NewRevisionFromEditComplete', array($article, $nullRevision, false) );
+ } else {
+ $wgOut->addHtml( '<li>' . wfMsgHtml( 'import-nonewrevisions' ) . '</li>' );
+ }
+ }
+
+ function close() {
+ global $wgOut;
+ if( $this->mPageCount == 0 ) {
+ $wgOut->addHtml( "</ul>\n" );
+ return new WikiErrorMsg( "importnopages" );
+ }
+ $wgOut->addHtml( "</ul>\n" );
+
+ return $this->mPageCount;
+ }
+}
+
+/**
+ *
+ * @ingroup SpecialPage
+ */
+class WikiRevision {
+ var $title = null;
+ var $id = 0;
+ var $timestamp = "20010115000000";
+ var $user = 0;
+ var $user_text = "";
+ var $text = "";
+ var $comment = "";
+ var $minor = false;
+
+ 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." );
+ }
+ }
+
+ function setID( $id ) {
+ $this->id = $id;
+ }
+
+ function setTimestamp( $ts ) {
+ # 2003-08-05T18:30:02Z
+ $this->timestamp = wfTimestamp( TS_MW, $ts );
+ }
+
+ function setUsername( $user ) {
+ $this->user_text = $user;
+ }
+
+ function setUserIP( $ip ) {
+ $this->user_text = $ip;
+ }
+
+ function setText( $text ) {
+ $this->text = $text;
+ }
+
+ function setComment( $text ) {
+ $this->comment = $text;
+ }
+
+ function setMinor( $minor ) {
+ $this->minor = (bool)$minor;
+ }
+
+ function setSrc( $src ) {
+ $this->src = $src;
+ }
+
+ function setFilename( $filename ) {
+ $this->filename = $filename;
+ }
+
+ function setSize( $size ) {
+ $this->size = intval( $size );
+ }
+
+ function getTitle() {
+ return $this->title;
+ }
+
+ function getID() {
+ return $this->id;
+ }
+
+ function getTimestamp() {
+ return $this->timestamp;
+ }
+
+ function getUser() {
+ return $this->user_text;
+ }
+
+ function getText() {
+ return $this->text;
+ }
+
+ function getComment() {
+ return $this->comment;
+ }
+
+ function getMinor() {
+ return $this->minor;
+ }
+
+ function getSrc() {
+ return $this->src;
+ }
+
+ function getFilename() {
+ return $this->filename;
+ }
+
+ function getSize() {
+ return $this->size;
+ }
+
+ function importOldRevision() {
+ $dbw = wfGetDB( DB_MASTER );
+
+ # Sneak a single revision into place
+ $user = User::newFromName( $this->getUser() );
+ if( $user ) {
+ $userId = intval( $user->getId() );
+ $userText = $user->getName();
+ } else {
+ $userId = 0;
+ $userText = $this->getUser();
+ }
+
+ // avoid memory leak...?
+ $linkCache = LinkCache::singleton();
+ $linkCache->clear();
+
+ $article = new Article( $this->title );
+ $pageId = $article->getId();
+ if( $pageId == 0 ) {
+ # must create the page...
+ $pageId = $article->insertOn( $dbw );
+ $created = true;
+ } else {
+ $created = false;
+
+ $prior = Revision::loadFromTimestamp( $dbw, $this->title, $this->timestamp );
+ if( !is_null( $prior ) ) {
+ // FIXME: this could fail slightly for multiple matches :P
+ wfDebug( __METHOD__ . ": skipping existing revision for [[" .
+ $this->title->getPrefixedText() . "]], timestamp " .
+ $this->timestamp . "\n" );
+ return false;
+ }
+ }
+
+ # FIXME: Use original rev_id optionally
+ # FIXME: blah blah blah
+
+ #if( $numrows > 0 ) {
+ # return wfMsg( "importhistoryconflict" );
+ #}
+
+ # Insert the row
+ $revision = new Revision( array(
+ 'page' => $pageId,
+ 'text' => $this->getText(),
+ 'comment' => $this->getComment(),
+ 'user' => $userId,
+ 'user_text' => $userText,
+ 'timestamp' => $this->timestamp,
+ 'minor_edit' => $this->minor,
+ ) );
+ $revId = $revision->insertOn( $dbw );
+ $changed = $article->updateIfNewerOn( $dbw, $revision );
+
+ if( $created ) {
+ wfDebug( __METHOD__ . ": running onArticleCreate\n" );
+ Article::onArticleCreate( $this->title );
+
+ wfDebug( __METHOD__ . ": running create updates\n" );
+ $article->createUpdates( $revision );
+
+ } elseif( $changed ) {
+ wfDebug( __METHOD__ . ": running onArticleEdit\n" );
+ Article::onArticleEdit( $this->title );
+
+ wfDebug( __METHOD__ . ": running edit updates\n" );
+ $article->editUpdates(
+ $this->getText(),
+ $this->getComment(),
+ $this->minor,
+ $this->timestamp,
+ $revId );
+ }
+
+ return true;
+ }
+
+ function importUpload() {
+ wfDebug( __METHOD__ . ": STUB\n" );
+
+ /**
+ // from file revert...
+ $source = $this->file->getArchiveVirtualUrl( $this->oldimage );
+ $comment = $wgRequest->getText( 'wpComment' );
+ // TODO: Preserve file properties from database instead of reloading from file
+ $status = $this->file->upload( $source, $comment, $comment );
+ if( $status->isGood() ) {
+ */
+
+ /**
+ // from file upload...
+ $this->mLocalFile = wfLocalFile( $nt );
+ $this->mDestName = $this->mLocalFile->getName();
+ //....
+ $status = $this->mLocalFile->upload( $this->mTempPath, $this->mComment, $pageText,
+ File::DELETE_SOURCE, $this->mFileProps );
+ if ( !$status->isGood() ) {
+ $resultDetails = array( 'internal' => $status->getWikiText() );
+ */
+
+ // @fixme upload() uses $wgUser, which is wrong here
+ // it may also create a page without our desire, also wrong potentially.
+ // and, it will record a *current* upload, but we might want an archive version here
+
+ $file = wfLocalFile( $this->getTitle() );
+ if( !$file ) {
+ var_dump( $file );
+ wfDebug( "IMPORT: Bad file. :(\n" );
+ return false;
+ }
+
+ $source = $this->downloadSource();
+ if( !$source ) {
+ wfDebug( "IMPORT: Could not fetch remote file. :(\n" );
+ return false;
+ }
+
+ $status = $file->upload( $source,
+ $this->getComment(),
+ $this->getComment(), // Initial page, if none present...
+ File::DELETE_SOURCE,
+ false, // props...
+ $this->getTimestamp() );
+
+ if( $status->isGood() ) {
+ // yay?
+ wfDebug( "IMPORT: is ok?\n" );
+ return true;
+ }
+
+ wfDebug( "IMPORT: is bad? " . $status->getXml() . "\n" );
+ return false;
+
+ }
+
+ function downloadSource() {
+ global $wgEnableUploads;
+ if( !$wgEnableUploads ) {
+ return false;
+ }
+
+ $tempo = tempnam( wfTempDir(), 'download' );
+ $f = fopen( $tempo, 'wb' );
+ if( !$f ) {
+ wfDebug( "IMPORT: couldn't write to temp file $tempo\n" );
+ return false;
+ }
+
+ // @fixme!
+ $src = $this->getSrc();
+ $data = Http::get( $src );
+ if( !$data ) {
+ wfDebug( "IMPORT: couldn't fetch source $src\n" );
+ fclose( $f );
+ unlink( $tempo );
+ return false;
+ }
+
+ fwrite( $f, $data );
+ fclose( $f );
+
+ return $tempo;
+ }
+
+}
+
+/**
+ * implements Special:Import
+ * @ingroup SpecialPage
+ */
+class WikiImporter {
+ var $mDebug = false;
+ var $mSource = null;
+ var $mPageCallback = null;
+ var $mPageOutCallback = null;
+ var $mRevisionCallback = null;
+ var $mUploadCallback = null;
+ var $mTargetNamespace = null;
+ var $lastfield;
+ var $tagStack = array();
+
+ function __construct( $source ) {
+ $this->setRevisionCallback( array( $this, "importRevision" ) );
+ $this->setUploadCallback( array( $this, "importUpload" ) );
+ $this->mSource = $source;
+ }
+
+ function throwXmlError( $err ) {
+ $this->debug( "FAILURE: $err" );
+ wfDebug( "WikiImporter XML error: $err\n" );
+ }
+
+ # --------------
+
+ function doImport() {
+ if( empty( $this->mSource ) ) {
+ return new WikiErrorMsg( "importnotext" );
+ }
+
+ $parser = xml_parser_create( "UTF-8" );
+
+ # case folding violates XML standard, turn it off
+ xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, false );
+
+ xml_set_object( $parser, $this );
+ xml_set_element_handler( $parser, "in_start", "" );
+
+ $offset = 0; // for context extraction on error reporting
+ do {
+ $chunk = $this->mSource->readChunk();
+ if( !xml_parse( $parser, $chunk, $this->mSource->atEnd() ) ) {
+ wfDebug( "WikiImporter::doImport encountered XML parsing error\n" );
+ return new WikiXmlError( $parser, wfMsgHtml( 'import-parse-failure' ), $chunk, $offset );
+ }
+ $offset += strlen( $chunk );
+ } while( $chunk !== false && !$this->mSource->atEnd() );
+ xml_parser_free( $parser );
+
+ return true;
+ }
+
+ function debug( $data ) {
+ if( $this->mDebug ) {
+ wfDebug( "IMPORT: $data\n" );
+ }
+ }
+
+ function notice( $data ) {
+ global $wgCommandLineMode;
+ if( $wgCommandLineMode ) {
+ print "$data\n";
+ } else {
+ global $wgOut;
+ $wgOut->addHTML( "<li>" . htmlspecialchars( $data ) . "</li>\n" );
+ }
+ }
+
+ /**
+ * Set debug mode...
+ */
+ function setDebug( $debug ) {
+ $this->mDebug = $debug;
+ }
+
+ /**
+ * Sets the action to perform as each new page in the stream is reached.
+ * @param $callback callback
+ * @return callback
+ */
+ function setPageCallback( $callback ) {
+ $previous = $this->mPageCallback;
+ $this->mPageCallback = $callback;
+ return $previous;
+ }
+
+ /**
+ * Sets the action to perform as each page in the stream is completed.
+ * Callback accepts the page title (as a Title object), a second object
+ * with the original title form (in case it's been overridden into a
+ * local namespace), and a count of revisions.
+ *
+ * @param $callback callback
+ * @return callback
+ */
+ function setPageOutCallback( $callback ) {
+ $previous = $this->mPageOutCallback;
+ $this->mPageOutCallback = $callback;
+ return $previous;
+ }
+
+ /**
+ * Sets the action to perform as each page revision is reached.
+ * @param $callback callback
+ * @return callback
+ */
+ function setRevisionCallback( $callback ) {
+ $previous = $this->mRevisionCallback;
+ $this->mRevisionCallback = $callback;
+ return $previous;
+ }
+
+ /**
+ * Sets the action to perform as each file upload version is reached.
+ * @param $callback callback
+ * @return callback
+ */
+ function setUploadCallback( $callback ) {
+ $previous = $this->mUploadCallback;
+ $this->mUploadCallback = $callback;
+ return $previous;
+ }
+
+ /**
+ * Set a target namespace to override the defaults
+ */
+ function setTargetNamespace( $namespace ) {
+ if( is_null( $namespace ) ) {
+ // Don't override namespaces
+ $this->mTargetNamespace = null;
+ } elseif( $namespace >= 0 ) {
+ // FIXME: Check for validity
+ $this->mTargetNamespace = intval( $namespace );
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Default per-revision callback, performs the import.
+ * @param $revision WikiRevision
+ * @private
+ */
+ function importRevision( $revision ) {
+ $dbw = wfGetDB( DB_MASTER );
+ return $dbw->deadlockLoop( array( $revision, 'importOldRevision' ) );
+ }
+
+ /**
+ * Dummy for now...
+ */
+ function importUpload( $revision ) {
+ //$dbw = wfGetDB( DB_MASTER );
+ //return $dbw->deadlockLoop( array( $revision, 'importUpload' ) );
+ return false;
+ }
+
+ /**
+ * Alternate per-revision callback, for debugging.
+ * @param $revision WikiRevision
+ * @private
+ */
+ function debugRevisionHandler( &$revision ) {
+ $this->debug( "Got revision:" );
+ if( is_object( $revision->title ) ) {
+ $this->debug( "-- Title: " . $revision->title->getPrefixedText() );
+ } else {
+ $this->debug( "-- Title: <invalid>" );
+ }
+ $this->debug( "-- User: " . $revision->user_text );
+ $this->debug( "-- Timestamp: " . $revision->timestamp );
+ $this->debug( "-- Comment: " . $revision->comment );
+ $this->debug( "-- Text: " . $revision->text );
+ }
+
+ /**
+ * Notify the callback function when a new <page> is reached.
+ * @param $title Title
+ * @private
+ */
+ function pageCallback( $title ) {
+ if( is_callable( $this->mPageCallback ) ) {
+ call_user_func( $this->mPageCallback, $title );
+ }
+ }
+
+ /**
+ * Notify the callback function when a </page> is closed.
+ * @param $title Title
+ * @param $origTitle Title
+ * @param $revisionCount int
+ * @param $successCount Int: number of revisions for which callback returned true
+ * @private
+ */
+ function pageOutCallback( $title, $origTitle, $revisionCount, $successCount ) {
+ if( is_callable( $this->mPageOutCallback ) ) {
+ call_user_func( $this->mPageOutCallback, $title, $origTitle,
+ $revisionCount, $successCount );
+ }
+ }
+
+
+ # XML parser callbacks from here out -- beware!
+ function donothing( $parser, $x, $y="" ) {
+ #$this->debug( "donothing" );
+ }
+
+ function in_start( $parser, $name, $attribs ) {
+ $this->debug( "in_start $name" );
+ if( $name != "mediawiki" ) {
+ return $this->throwXMLerror( "Expected <mediawiki>, got <$name>" );
+ }
+ xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
+ }
+
+ function in_mediawiki( $parser, $name, $attribs ) {
+ $this->debug( "in_mediawiki $name" );
+ if( $name == 'siteinfo' ) {
+ xml_set_element_handler( $parser, "in_siteinfo", "out_siteinfo" );
+ } elseif( $name == 'page' ) {
+ $this->push( $name );
+ $this->workRevisionCount = 0;
+ $this->workSuccessCount = 0;
+ $this->uploadCount = 0;
+ $this->uploadSuccessCount = 0;
+ xml_set_element_handler( $parser, "in_page", "out_page" );
+ } else {
+ return $this->throwXMLerror( "Expected <page>, got <$name>" );
+ }
+ }
+ function out_mediawiki( $parser, $name ) {
+ $this->debug( "out_mediawiki $name" );
+ if( $name != "mediawiki" ) {
+ return $this->throwXMLerror( "Expected </mediawiki>, got </$name>" );
+ }
+ xml_set_element_handler( $parser, "donothing", "donothing" );
+ }
+
+
+ function in_siteinfo( $parser, $name, $attribs ) {
+ // no-ops for now
+ $this->debug( "in_siteinfo $name" );
+ switch( $name ) {
+ case "sitename":
+ case "base":
+ case "generator":
+ case "case":
+ case "namespaces":
+ case "namespace":
+ break;
+ default:
+ return $this->throwXMLerror( "Element <$name> not allowed in <siteinfo>." );
+ }
+ }
+
+ function out_siteinfo( $parser, $name ) {
+ if( $name == "siteinfo" ) {
+ xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
+ }
+ }
+
+
+ function in_page( $parser, $name, $attribs ) {
+ $this->debug( "in_page $name" );
+ switch( $name ) {
+ case "id":
+ case "title":
+ case "restrictions":
+ $this->appendfield = $name;
+ $this->appenddata = "";
+ xml_set_element_handler( $parser, "in_nothing", "out_append" );
+ xml_set_character_data_handler( $parser, "char_append" );
+ break;
+ case "revision":
+ $this->push( "revision" );
+ if( is_object( $this->pageTitle ) ) {
+ $this->workRevision = new WikiRevision;
+ $this->workRevision->setTitle( $this->pageTitle );
+ $this->workRevisionCount++;
+ } else {
+ // Skipping items due to invalid page title
+ $this->workRevision = null;
+ }
+ xml_set_element_handler( $parser, "in_revision", "out_revision" );
+ break;
+ case "upload":
+ $this->push( "upload" );
+ if( is_object( $this->pageTitle ) ) {
+ $this->workRevision = new WikiRevision;
+ $this->workRevision->setTitle( $this->pageTitle );
+ $this->uploadCount++;
+ } else {
+ // Skipping items due to invalid page title
+ $this->workRevision = null;
+ }
+ xml_set_element_handler( $parser, "in_upload", "out_upload" );
+ break;
+ default:
+ return $this->throwXMLerror( "Element <$name> not allowed in a <page>." );
+ }
+ }
+
+ function out_page( $parser, $name ) {
+ $this->debug( "out_page $name" );
+ $this->pop();
+ if( $name != "page" ) {
+ return $this->throwXMLerror( "Expected </page>, got </$name>" );
+ }
+ xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
+
+ $this->pageOutCallback( $this->pageTitle, $this->origTitle,
+ $this->workRevisionCount, $this->workSuccessCount );
+
+ $this->workTitle = null;
+ $this->workRevision = null;
+ $this->workRevisionCount = 0;
+ $this->workSuccessCount = 0;
+ $this->pageTitle = null;
+ $this->origTitle = null;
+ }
+
+ function in_nothing( $parser, $name, $attribs ) {
+ $this->debug( "in_nothing $name" );
+ return $this->throwXMLerror( "No child elements allowed here; got <$name>" );
+ }
+ function char_append( $parser, $data ) {
+ $this->debug( "char_append '$data'" );
+ $this->appenddata .= $data;
+ }
+ function out_append( $parser, $name ) {
+ $this->debug( "out_append $name" );
+ if( $name != $this->appendfield ) {
+ return $this->throwXMLerror( "Expected </{$this->appendfield}>, got </$name>" );
+ }
+
+ switch( $this->appendfield ) {
+ case "title":
+ $this->workTitle = $this->appenddata;
+ $this->origTitle = Title::newFromText( $this->workTitle );
+ if( !is_null( $this->mTargetNamespace ) && !is_null( $this->origTitle ) ) {
+ $this->pageTitle = Title::makeTitle( $this->mTargetNamespace,
+ $this->origTitle->getDBkey() );
+ } else {
+ $this->pageTitle = Title::newFromText( $this->workTitle );
+ }
+ if( is_null( $this->pageTitle ) ) {
+ // Invalid page title? Ignore the page
+ $this->notice( "Skipping invalid page title '$this->workTitle'" );
+ } else {
+ $this->pageCallback( $this->workTitle );
+ }
+ break;
+ case "id":
+ if ( $this->parentTag() == 'revision' ) {
+ if( $this->workRevision )
+ $this->workRevision->setID( $this->appenddata );
+ }
+ break;
+ case "text":
+ if( $this->workRevision )
+ $this->workRevision->setText( $this->appenddata );
+ break;
+ case "username":
+ if( $this->workRevision )
+ $this->workRevision->setUsername( $this->appenddata );
+ break;
+ case "ip":
+ if( $this->workRevision )
+ $this->workRevision->setUserIP( $this->appenddata );
+ break;
+ case "timestamp":
+ if( $this->workRevision )
+ $this->workRevision->setTimestamp( $this->appenddata );
+ break;
+ case "comment":
+ if( $this->workRevision )
+ $this->workRevision->setComment( $this->appenddata );
+ break;
+ case "minor":
+ if( $this->workRevision )
+ $this->workRevision->setMinor( true );
+ break;
+ case "filename":
+ if( $this->workRevision )
+ $this->workRevision->setFilename( $this->appenddata );
+ break;
+ case "src":
+ if( $this->workRevision )
+ $this->workRevision->setSrc( $this->appenddata );
+ break;
+ case "size":
+ if( $this->workRevision )
+ $this->workRevision->setSize( intval( $this->appenddata ) );
+ break;
+ default:
+ $this->debug( "Bad append: {$this->appendfield}" );
+ }
+ $this->appendfield = "";
+ $this->appenddata = "";
+
+ $parent = $this->parentTag();
+ xml_set_element_handler( $parser, "in_$parent", "out_$parent" );
+ xml_set_character_data_handler( $parser, "donothing" );
+ }
+
+ function in_revision( $parser, $name, $attribs ) {
+ $this->debug( "in_revision $name" );
+ switch( $name ) {
+ case "id":
+ case "timestamp":
+ case "comment":
+ case "minor":
+ case "text":
+ $this->appendfield = $name;
+ xml_set_element_handler( $parser, "in_nothing", "out_append" );
+ xml_set_character_data_handler( $parser, "char_append" );
+ break;
+ case "contributor":
+ $this->push( "contributor" );
+ xml_set_element_handler( $parser, "in_contributor", "out_contributor" );
+ break;
+ default:
+ return $this->throwXMLerror( "Element <$name> not allowed in a <revision>." );
+ }
+ }
+
+ function out_revision( $parser, $name ) {
+ $this->debug( "out_revision $name" );
+ $this->pop();
+ if( $name != "revision" ) {
+ return $this->throwXMLerror( "Expected </revision>, got </$name>" );
+ }
+ xml_set_element_handler( $parser, "in_page", "out_page" );
+
+ if( $this->workRevision ) {
+ $ok = call_user_func_array( $this->mRevisionCallback,
+ array( $this->workRevision, $this ) );
+ if( $ok ) {
+ $this->workSuccessCount++;
+ }
+ }
+ }
+
+ function in_upload( $parser, $name, $attribs ) {
+ $this->debug( "in_upload $name" );
+ switch( $name ) {
+ case "timestamp":
+ case "comment":
+ case "text":
+ case "filename":
+ case "src":
+ case "size":
+ $this->appendfield = $name;
+ xml_set_element_handler( $parser, "in_nothing", "out_append" );
+ xml_set_character_data_handler( $parser, "char_append" );
+ break;
+ case "contributor":
+ $this->push( "contributor" );
+ xml_set_element_handler( $parser, "in_contributor", "out_contributor" );
+ break;
+ default:
+ return $this->throwXMLerror( "Element <$name> not allowed in an <upload>." );
+ }
+ }
+
+ function out_upload( $parser, $name ) {
+ $this->debug( "out_revision $name" );
+ $this->pop();
+ if( $name != "upload" ) {
+ return $this->throwXMLerror( "Expected </upload>, got </$name>" );
+ }
+ xml_set_element_handler( $parser, "in_page", "out_page" );
+
+ if( $this->workRevision ) {
+ $ok = call_user_func_array( $this->mUploadCallback,
+ array( $this->workRevision, $this ) );
+ if( $ok ) {
+ $this->workUploadSuccessCount++;
+ }
+ }
+ }
+
+ function in_contributor( $parser, $name, $attribs ) {
+ $this->debug( "in_contributor $name" );
+ switch( $name ) {
+ case "username":
+ case "ip":
+ case "id":
+ $this->appendfield = $name;
+ xml_set_element_handler( $parser, "in_nothing", "out_append" );
+ xml_set_character_data_handler( $parser, "char_append" );
+ break;
+ default:
+ $this->throwXMLerror( "Invalid tag <$name> in <contributor>" );
+ }
+ }
+
+ function out_contributor( $parser, $name ) {
+ $this->debug( "out_contributor $name" );
+ $this->pop();
+ if( $name != "contributor" ) {
+ return $this->throwXMLerror( "Expected </contributor>, got </$name>" );
+ }
+ $parent = $this->parentTag();
+ xml_set_element_handler( $parser, "in_$parent", "out_$parent" );
+ }
+
+ private function push( $name ) {
+ array_push( $this->tagStack, $name );
+ $this->debug( "PUSH $name" );
+ }
+
+ private function pop() {
+ $name = array_pop( $this->tagStack );
+ $this->debug( "POP $name" );
+ return $name;
+ }
+
+ private function parentTag() {
+ $name = $this->tagStack[count( $this->tagStack ) - 1];
+ $this->debug( "PARENT $name" );
+ return $name;
+ }
+
+}
+
+/**
+ * @todo document (e.g. one-sentence class description).
+ * @ingroup SpecialPage
+ */
+class ImportStringSource {
+ function __construct( $string ) {
+ $this->mString = $string;
+ $this->mRead = false;
+ }
+
+ function atEnd() {
+ return $this->mRead;
+ }
+
+ function readChunk() {
+ if( $this->atEnd() ) {
+ return false;
+ } else {
+ $this->mRead = true;
+ return $this->mString;
+ }
+ }
+}
+
+/**
+ * @todo document (e.g. one-sentence class description).
+ * @ingroup SpecialPage
+ */
+class ImportStreamSource {
+ function __construct( $handle ) {
+ $this->mHandle = $handle;
+ }
+
+ function atEnd() {
+ return feof( $this->mHandle );
+ }
+
+ function readChunk() {
+ return fread( $this->mHandle, 32768 );
+ }
+
+ static function newFromFile( $filename ) {
+ $file = @fopen( $filename, 'rt' );
+ if( !$file ) {
+ return new WikiErrorMsg( "importcantopen" );
+ }
+ return new ImportStreamSource( $file );
+ }
+
+ static function newFromUpload( $fieldname = "xmlimport" ) {
+ $upload =& $_FILES[$fieldname];
+
+ if( !isset( $upload ) || !$upload['name'] ) {
+ return new WikiErrorMsg( 'importnofile' );
+ }
+ if( !empty( $upload['error'] ) ) {
+ switch($upload['error']){
+ case 1: # The uploaded file exceeds the upload_max_filesize directive in php.ini.
+ return new WikiErrorMsg( 'importuploaderrorsize' );
+ case 2: # The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.
+ return new WikiErrorMsg( 'importuploaderrorsize' );
+ case 3: # The uploaded file was only partially uploaded
+ return new WikiErrorMsg( 'importuploaderrorpartial' );
+ case 6: #Missing a temporary folder. Introduced in PHP 4.3.10 and PHP 5.0.3.
+ return new WikiErrorMsg( 'importuploaderrortemp' );
+ # case else: # Currently impossible
+ }
+
+ }
+ $fname = $upload['tmp_name'];
+ if( is_uploaded_file( $fname ) ) {
+ return ImportStreamSource::newFromFile( $fname );
+ } else {
+ return new WikiErrorMsg( 'importnofile' );
+ }
+ }
+
+ static function newFromURL( $url, $method = 'GET' ) {
+ wfDebug( __METHOD__ . ": opening $url\n" );
+ # Use the standard HTTP fetch function; it times out
+ # quicker and sorts out user-agent problems which might
+ # otherwise prevent importing from large sites, such
+ # as the Wikimedia cluster, etc.
+ $data = Http::request( $method, $url );
+ if( $data !== false ) {
+ $file = tmpfile();
+ fwrite( $file, $data );
+ fflush( $file );
+ fseek( $file, 0 );
+ return new ImportStreamSource( $file );
+ } else {
+ return new WikiErrorMsg( 'importcantopen' );
+ }
+ }
+
+ public static function newFromInterwiki( $interwiki, $page, $history=false ) {
+ if( $page == '' ) {
+ return new WikiErrorMsg( 'import-noarticle' );
+ }
+ $link = Title::newFromText( "$interwiki:Special:Export/$page" );
+ if( is_null( $link ) || $link->getInterwiki() == '' ) {
+ return new WikiErrorMsg( 'importbadinterwiki' );
+ } else {
+ $params = $history ? 'history=1' : '';
+ $url = $link->getFullUrl( $params );
+ # For interwikis, use POST to avoid redirects.
+ return ImportStreamSource::newFromURL( $url, "POST" );
+ }
+ }
+}