# 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
/**
*
*/
/**
* Constructor
*/
function wfSpecialImport( $page = '' ) {
global $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') {
$importer = new WikiImporter();
switch( $wgRequest->getVal( "source" ) ) {
case "upload":
$ok = $importer->setupFromUpload( "xmlimport" );
break;
case "interwiki":
$ok = $importer->setupFromInterwiki(
$wgRequest->getVal( "interwiki" ),
$wgRequest->getText( "frompage" ) );
break;
default:
$ok = false;
}
if( $ok ) {
$importer->setRevisionHandler( "wfImportOldRevision" );
if( $importer->doImport() ) {
# Success!
$wgOut->addHTML( "
" . wfMsg( "importsuccess" ) . "
" );
} else {
$wgOut->addHTML( "" . wfMsg( "importfailed",
htmlspecialchars( $importer->getError() ) ) . "
" );
}
} else {
$wgOut->addWikiText( htmlspecialchars( $importer->getError() ) );
}
}
$wgOut->addWikiText( "" . wfMsg( "importtext" ) . "
" );
$action = $wgTitle->escapeLocalUrl();
$wgOut->addHTML( "
Upload XML
" );
if( !empty( $wgImportSources ) ) {
$wgOut->addHTML( "
Interwiki import
" );
}
}
function wfImportOldRevision( &$revision ) {
$dbw =& wfGetDB( DB_MASTER );
$dbw->deadlockLoop( array( &$revision, 'importOldRevision' ) );
}
/**
*
*/
class WikiRevision {
var $title = NULL;
var $timestamp = "20010115000000";
var $user = 0;
var $user_text = "";
var $text = "";
var $comment = "";
function setTitle( $text ) {
$text = $this->fixEncoding( $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 = $this->fixEncoding( $user );
}
function setUserIP( $ip ) {
$this->user_text = $this->fixEncoding( $ip );
}
function setText( $text ) {
$this->text = $this->fixEncoding( $text );
}
function setComment( $text ) {
$this->comment = $this->fixEncoding( $text );
}
function fixEncoding( $data ) {
global $wgLang, $wgInputEncoding;
if( strcasecmp( $wgInputEncoding, "utf-8" ) == 0 ) {
return $data;
} else {
return $wgLang->iconv( "utf-8", $wgInputEncoding, $data );
}
}
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;
}
}
/**
*
*/
class WikiImporter {
var $mSource = NULL;
var $mError = "";
var $mXmlError = XML_ERROR_NONE;
var $mRevisionHandler = NULL;
var $lastfield;
function WikiImporter() {
$this->setRevisionHandler( array( &$this, "defaultRevisionHandler" ) );
}
function setError( $err ) {
$this->mError = $err;
return false;
}
function getError() {
if( $this->mXmlError == XML_ERROR_NONE ) {
return $this->mError;
} else {
return xml_error_string( $this->mXmlError );
}
}
function throwXmlError( $err ) {
$this->debug( "FAILURE: $err" );
}
function setupFromFile( $filename ) {
$this->mSource = file_get_contents( $filename );
return true;
}
function setupFromUpload( $fieldname = "xmlimport" ) {
global $wgOut;
$upload =& $_FILES[$fieldname];
if( !isset( $upload ) ) {
return $this->setError( wfMsg( "importnofile" ) );
}
if( !empty( $upload['error'] ) ) {
return $this->setError( wfMsg( "importuploaderror", $upload['error'] ) );
}
$fname = $upload['tmp_name'];
if( is_uploaded_file( $fname ) ) {
return $this->setupFromFile( $fname );
} else {
return $this->setError( wfMsg( "importnofile" ) );
}
}
function setupFromURL( $url ) {
# fopen-wrappers are normally turned off for security.
ini_set( "allow_url_fopen", true );
$ret = $this->setupFromFile( $url );
ini_set( "allow_url_fopen", false );
return $ret;
}
function setupFromInterwiki( $interwiki, $page ) {
$base = Title::getInterwikiLink( $interwiki );
if( empty( $base ) ) {
return false;
} else {
$import = wfUrlencode( "Special:Export/$page" );
$url = str_replace( "$1", $import, $base );
$this->notice( "Importing from $url" );
return $this->setupFromURL( $url );
}
}
# --------------
function doImport() {
if( empty( $this->mSource ) ) {
return $this->setError( wfMsg( "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", "" );
if( !xml_parse( $parser, $this->mSource, true ) ) {
# return error message
$this->mXmlError = xml_get_error_code( $parser );
xml_parser_free( $parser );
return false;
}
xml_parser_free( $parser );
return true;
}
function debug( $data ) {
global $wgOut;
# $this->notice( "DEBUG: $data\n" );
}
function notice( $data ) {
global $wgCommandLineMode;
if( $wgCommandLineMode ) {
print "$data\n";
} else {
global $wgOut;
$wgOut->addHTML( "$data \n" );
}
}
function setRevisionHandler( $functionref ) {
$this->mRevisionHandler = $functionref;
}
function defaultRevisionHandler( &$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 );
}
# 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 != "page" ) {
return $this->throwXMLerror( "Expected , got <$name>" );
}
xml_set_element_handler( $parser, "in_page", "out_page" );
}
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_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;
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( $this->mRevisionHandler, &$this->workRevision, &$this );
if( !empty( $out ) ) {
global $wgOut;
$wgOut->addHTML( "" . $out . " \n" );
}
}
function in_contributor( $parser, $name, $attribs ) {
$this->debug( "in_contributor $name" );
switch( $name ) {
case "username":
case "ip":
$this->parenttag = "contributor";
$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 " );
}
}
function out_contributor( $parser, $name ) {
$this->debug( "out_contributor $name" );
if( $name != "contributor" ) {
return $this->throwXMLerror( "Expected , got $name>" );
}
xml_set_element_handler( $parser, "in_revision", "out_revision" );
}
function importOldRevision() {
$fname = "WikiImporter::importOldRevision";
$dbw =& wfGetDB( DB_MASTER );
# Sneak a single revision into place
$user = User::newFromName( $this->getUser() );
$res = $dbw->select( 'old', 1,
$this->title->oldCond() + array( 'old_timestamp' => $this->timestamp ),
$fname, 'FOR UPDATE'
);
$numrows = $dbw->numRows( $res );
$dbw->freeResult( $res );
if( $numrows > 0 ) {
return wfMsg( "importhistoryconflict" );
}
# Insert the row
$oldIgnore = $dbw->ignoreErrors( true );
$success = $dbw->insert( 'old',
array(
'old_namespace' => intval( $this->title->getNamespace() ),
'old_title' => $this->title->getDBkey(),
'old_text' => $this->getText(),
'old_comment' => $this->getComment(),
'old_user' => intval( $user->getId() ),
'old_user_text' => $user->getName(),
'old_timestamp' => $this->timestamp,
'inverse_timestamp' => wfInvertTimestamp( $this->timestamp ),
'old_minor_edit' => 0,
'old_flags' => ''
), $fname
);
return wfMsg( "ok" );
}
}
?>