* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @package MediaWiki
* @subpackage SpecialPage
*/
/** */
require_once( 'WikiError.php' );
/**
* Constructor
*/
function wfSpecialImport( $page = '' ) {
global $wgUser, $wgOut, $wgLang, $wgRequest, $wgTitle;
global $wgImportSources;
###
# $wgOut->addWikiText( "Special:Import is not ready for this beta release, sorry." );
# return;
###
if( $wgRequest->wasPosted() && $wgRequest->getVal( 'action' ) == 'submit') {
switch( $wgRequest->getVal( "source" ) ) {
case "upload":
if( $wgUser->isAllowed( 'importupload' ) ) {
$source = ImportStreamSource::newFromUpload( "xmlimport" );
} else {
return $wgOut->permissionRequired( 'importupload' );
}
break;
case "interwiki":
$source = ImportStreamSource::newFromInterwiki(
$wgRequest->getVal( "interwiki" ),
$wgRequest->getText( "frompage" ) );
break;
default:
$source = new WikiError( "Unknown import source type" );
}
if( WikiError::isError( $source ) ) {
$wgOut->addWikiText( wfEscapeWikiText( $source->getMessage() ) );
} else {
$importer = new WikiImporter( $source );
$result = $importer->doImport();
if( WikiError::isError( $result ) ) {
$wgOut->addWikiText( wfMsg( "importfailed",
wfEscapeWikiText( $result->getMessage() ) ) );
} else {
# Success!
$wgOut->addWikiText( wfMsg( "importsuccess" ) );
}
}
}
$action = $wgTitle->escapeLocalUrl( 'action=submit' );
if( $wgUser->isAllowed( 'importupload' ) ) {
$wgOut->addWikiText( wfMsg( "importtext" ) );
$wgOut->addHTML( "
" );
} else {
if( empty( $wgImportSources ) ) {
$wgOut->addWikiText( wfMsg( 'importnosources' ) );
}
}
if( !empty( $wgImportSources ) ) {
$wgOut->addHTML( "
" );
}
}
/**
*
* @package MediaWiki
* @subpackage SpecialPage
*/
class WikiRevision {
var $title = NULL;
var $timestamp = "20010115000000";
var $user = 0;
var $user_text = "";
var $text = "";
var $comment = "";
function setTitle( $text ) {
$this->title = Title::newFromText( $text );
}
function setTimestamp( $ts ) {
# 2003-08-05T18:30:02Z
$this->timestamp = preg_replace( '/^(....)-(..)-(..)T(..):(..):(..)Z$/', '$1$2$3$4$5$6', $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 getTitle() {
return $this->title;
}
function getTimestamp() {
return $this->timestamp;
}
function getUser() {
return $this->user_text;
}
function getText() {
return $this->text;
}
function getComment() {
return $this->comment;
}
function importOldRevision() {
$fname = "WikiImporter::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();
}
$article = new Article( $this->title );
$pageId = $article->getId();
if( $pageId == 0 ) {
# must create the page...
$pageId = $article->insertOn( $dbw );
}
# FIXME: Check for exact conflicts
# 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' => 0
) );
$revId = $revision->insertOn( $dbw );
$article->updateIfNewerOn( $dbw, $revision );
return true;
}
}
/**
*
* @package MediaWiki
* @subpackage SpecialPage
*/
class WikiImporter {
var $mSource = null;
var $mPageCallback = null;
var $mRevisionCallback = null;
var $lastfield;
function WikiImporter( $source ) {
$this->setRevisionCallback( array( &$this, "importRevision" ) );
$this->mSource = $source;
}
function throwXmlError( $err ) {
$this->debug( "FAILURE: $err" );
}
# --------------
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", "" );
do {
$chunk = $this->mSource->readChunk();
if( !xml_parse( $parser, $chunk, $this->mSource->atEnd() ) ) {
return new WikiXmlError( $parser );
}
} while( $chunk !== false && !$this->mSource->atEnd() );
xml_parser_free( $parser );
return true;
}
function debug( $data ) {
#wfDebug( "IMPORT: $data\n" );
}
function notice( $data ) {
global $wgCommandLineMode;
if( $wgCommandLineMode ) {
print "$data\n";
} else {
global $wgOut;
$wgOut->addHTML( "
$data
\n" );
}
}
/**
* Sets the action to perform as each new page in the stream is reached.
* @param callable $callback
* @return callable
*/
function setPageCallback( $callback ) {
$previous = $this->mPageCallback;
$this->mPageCallback = $callback;
return $previous;
}
/**
* Sets the action to perform as each page revision is reached.
* @param callable $callback
* @return callable
*/
function setRevisionCallback( $callback ) {
$previous = $this->mRevisionCallback;
$this->mRevisionCallback = $callback;
return $previous;
}
/**
* Default per-revision callback, performs the import.
* @param WikiRevision $revision
* @access private
*/
function importRevision( &$revision ) {
$dbw =& wfGetDB( DB_MASTER );
$dbw->deadlockLoop( array( &$revision, 'importOldRevision' ) );
}
/**
* Alternate per-revision callback, for debugging.
* @param WikiRevision $revision
* @access private
*/
function debugRevisionHandler( &$revision ) {
$this->debug( "Got revision:" );
if( is_object( $revision->title ) ) {
$this->debug( "-- Title: " . $revision->title->getPrefixedText() );
} else {
$this->debug( "-- Title: " );
}
$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 is reached.
* @param Title $title
* @access private
*/
function pageCallback( $title ) {
if( is_callable( $this->mPageCallback ) ) {
call_user_func( $this->mPageCallback, $title );
}
}
# 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 $this->throwXMLerror( "Expected , got <$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' ) {
xml_set_element_handler( $parser, "in_page", "out_page" );
} else {
return $this->throwXMLerror( "Expected , got <$name>" );
}
}
function out_mediawiki( $parser, $name ) {
$this->debug( "out_mediawiki $name" );
if( $name != "mediawiki" ) {
return $this->throwXMLerror( "Expected , 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 "generator":
case "case":
case "namespaces":
case "namespace":
break;
default:
return $this->throwXMLerror( "Element <$name> not allowed in ." );
}
}
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 = "";
$this->parenttag = "page";
xml_set_element_handler( $parser, "in_nothing", "out_append" );
xml_set_character_data_handler( $parser, "char_append" );
break;
case "revision":
$this->workRevision = new WikiRevision;
$this->workRevision->setTitle( $this->workTitle );
xml_set_element_handler( $parser, "in_revision", "out_revision" );
break;
default:
return $this->throwXMLerror( "Element <$name> not allowed in a ." );
}
}
function out_page( $parser, $name ) {
$this->debug( "out_page $name" );
if( $name != "page" ) {
return $this->throwXMLerror( "Expected , got $name>" );
}
xml_set_element_handler( $parser, "in_mediawiki", "out_mediawiki" );
$this->workTitle = NULL;
$this->workRevision = 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>" );
}
xml_set_element_handler( $parser, "in_$this->parenttag", "out_$this->parenttag" );
xml_set_character_data_handler( $parser, "donothing" );
switch( $this->appendfield ) {
case "title":
$this->workTitle = $this->appenddata;
$this->pageCallback( $this->workTitle );
break;
case "text":
$this->workRevision->setText( $this->appenddata );
break;
case "username":
$this->workRevision->setUsername( $this->appenddata );
break;
case "ip":
$this->workRevision->setUserIP( $this->appenddata );
break;
case "timestamp":
$this->workRevision->setTimestamp( $this->appenddata );
break;
case "comment":
$this->workRevision->setComment( $this->appenddata );
break;
default:
$this->debug( "Bad append: {$this->appendfield}" );
}
$this->appendfield = "";
$this->appenddata = "";
}
function in_revision( $parser, $name, $attribs ) {
$this->debug( "in_revision $name" );
switch( $name ) {
case "id":
case "timestamp":
case "comment":
case "text":
$this->parenttag = "revision";
$this->appendfield = $name;
xml_set_element_handler( $parser, "in_nothing", "out_append" );
xml_set_character_data_handler( $parser, "char_append" );
break;
case "contributor":
xml_set_element_handler( $parser, "in_contributor", "out_contributor" );
break;
default:
return $this->throwXMLerror( "Element <$name> not allowed in a ." );
}
}
function out_revision( $parser, $name ) {
$this->debug( "out_revision $name" );
if( $name != "revision" ) {
return $this->throwXMLerror( "Expected , got $name>" );
}
xml_set_element_handler( $parser, "in_page", "out_page" );
$out = call_user_func( $this->mRevisionCallback,
&$this->workRevision,
&$this );
if( !empty( $out ) ) {
global $wgOut;
$wgOut->addHTML( "