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<?php
use SMW\MediaWiki\Jobs\RefreshJob;
use SMW\Settings;
use SMW\StoreFactory;
use SMW\Store;
/**
* @defgroup SMWSpecialPage
* This group contains all parts of SMW that are maintenance scripts.
* @ingroup SMW
*/
/**
* @author Markus Krötzsch
*
* This special page for MediaWiki provides an administrative interface
* that allows to execute certain functions related to the maintainance
* of the semantic database. It is restricted to users with siteadmin status.
*
* @ingroup SMWSpecialPage
* @ingroup SpecialPage
*/
class SMWAdmin extends SpecialPage {
protected $store = null;
public function __construct() {
parent::__construct( 'SMWAdmin', 'smw-admin' );
$this->store = StoreFactory::getStore();
}
public function setStore( Store $store ) {
$this->store = $store;
}
public function getStore() {
return $this->store;
}
public function execute( $par ) {
if ( !$this->userCanExecute( $this->getUser() ) ) {
// If the user is not authorized, show an error.
$this->displayRestrictionError();
return;
}
$this->setHeaders();
// FIXME Searching the job table needs to be fixed
//
// SMW shouldn't expose itself to an internal MW DB table at
// this level. If an official Api doesn't provide needed
// functionality, the DB call should be encapsulate within its
// own class
/**** Get status of refresh job, if any ****/
$dbr = wfGetDB( DB_SLAVE );
$row = $dbr->selectRow( 'job', '*', array( 'job_cmd' => 'SMW\RefreshJob' ), __METHOD__ );
if ( $row !== false ) { // similar to Job::pop_type, but without deleting the job
$title = Title::makeTitleSafe( $row->job_namespace, $row->job_title );
$blob = (string)$row->job_params !== '' ? unserialize( $row->job_params ) : false;
$refreshjob = Job::factory( $row->job_cmd, $title, $blob, $row->job_id );
} else {
$refreshjob = null;
}
/**** Execute actions if any ****/
switch ( $this->getRequest()->getText( 'action' ) ) {
case 'listsettings':
return $this->actionListSettings();
case 'idlookup':
return $this->actionIdLookup( $this->getRequest()->getVal( 'objectId' ) );
case 'updatetables':
return $this->actionUpdateTables();
case 'refreshstore':
return $this->actionRefreshStore( $refreshjob );
}
/**** Normal output ****/
$html = '<p>' . wfMessage( 'smw_smwadmin_docu' )->text() . "</p>\n";
// creating tables and converting contents from older versions
$html .= '<form name="buildtables" action="" method="POST">' . "\n" .
'<input type="hidden" name="action" value="updatetables" />' . "\n";
$html .= '<br /><h2>' . wfMessage( 'smw_smwadmin_db' )->text() . "</h2>\n" .
'<p>' . wfMessage( 'smw_smwadmin_dbdocu' )->text() . "</p>\n";
$html .= '<p>' . wfMessage( 'smw_smwadmin_permissionswarn' )->text() . "</p>\n" .
'<input type="hidden" name="udsure" value="yes"/>' .
'<input type="submit" value="' . wfMessage( 'smw_smwadmin_dbbutton' )->text() . '"/></form>' . "\n";
$html .= '<br /><h2>' . wfMessage( 'smw_smwadmin_datarefresh' )->text() . "</h2>\n" .
'<p>' . wfMessage( 'smw_smwadmin_datarefreshdocu' )->text() . "</p>\n";
if ( !is_null( $refreshjob ) ) {
$prog = $refreshjob->getProgress();
$html .= '<p>' . wfMessage( 'smw_smwadmin_datarefreshprogress' )->text() . "</p>\n" .
'<p><div style="float: left; background: #DDDDDD; border: 1px solid grey; width: 300px; "><div style="background: #AAF; width: ' .
round( $prog * 300 ) . 'px; height: 20px; "> </div></div>  ' . round( $prog * 100, 4 ) . '%</p><br /><br />';
if ( $GLOBALS['smwgAdminRefreshStore'] ) {
$html .=
'<form name="refreshwiki" action="" method="POST">' .
'<input type="hidden" name="action" value="refreshstore" />' .
'<input type="submit" value="' . wfMessage( 'smw_smwadmin_datarefreshstop' )->escaped() . '" /> ' .
' <input type="checkbox" name="rfsure" value="stop"/> ' . wfMessage( 'smw_smwadmin_datarefreshstopconfirm' )->escaped() .
'</form>' . "\n";
}
} elseif ( $GLOBALS['smwgAdminRefreshStore'] ) {
$html .=
'<form name="refreshwiki" action="" method="POST">' .
'<input type="hidden" name="action" value="refreshstore" />' .
'<input type="hidden" name="rfsure" value="yes"/>' .
'<input type="submit" value="' . wfMessage( 'smw_smwadmin_datarefreshbutton' )->text() . '"/>' .
'</form>' . "\n";
}
$html .= $this->getSettingsSection();
$html .= $this->getIdLookupSection();
$html .= $this->getAnnounceSection();
$html .= $this->getSupportSection();
$this->getOutput()->addHTML( $html );
}
protected function getSettingsSection() {
return '<br /><h2>' . $this->msg( 'smw-sp-admin-settings-title' )->text() . "</h2>\n" .
'<p>' . $this->msg( 'smw-sp-admin-settings-docu' )->parse() . "</p>\n".
'<form name="listsettings" action="" method="POST">' .
'<input type="hidden" name="action" value="listsettings" />' .
'<input type="submit" value="' . $this->msg( 'smw-sp-admin-settings-button' )->text() . '"/>' .
'</form>' . "\n";
}
protected function getAnnounceSection() {
return '<br /><h2>' . wfMessage( 'smw_smwadmin_announce' )->text() . "</h2>\n" .
'<p>' . wfMessage( 'smw_smwadmin_announcedocu' )->text() . "</p>\n" .
'<p>' . wfMessage( 'smw_smwadmin_announcebutton' )->text() . "</p>\n" .
'<form name="announcewiki" action="http://semantic-mediawiki.org/wiki/Special:SMWRegistry" method="GET">' .
'<input type="hidden" name="url" value="' . $GLOBALS['wgServer'] . str_replace( '$1', '', $GLOBALS['wgArticlePath'] ) . '" />' .
'<input type="hidden" name="return" value="Special:SMWAdmin" />' .
'<input type="submit" value="' . wfMessage( 'smw_smwadmin_announce' )->text() . '"/></form>' . "\n";
}
protected function getSupportSection() {
return '<br /><h2>' . wfMessage( 'smw_smwadmin_support' )->text() . "</h2>\n" .
'<p>' . wfMessage( 'smw_smwadmin_supportdocu' )->text() . "</p>\n" .
"<ul>\n" .
'<li>' . wfMessage( 'smw_smwadmin_installfile' )->text() . "</li>\n" .
'<li>' . wfMessage( 'smw_smwadmin_smwhomepage' )->text() . "</li>\n" .
'<li>' . wfMessage( 'smw_smwadmin_mediazilla' )->text() . "</li>\n" .
'<li>' . wfMessage( 'smw_smwadmin_questions' )->text() . "</li>\n" .
"</ul>\n";
}
protected function getIdLookupSection() {
return '<br />' .
Html::element( 'h2', array(), $this->msg( 'smw-sp-admin-idlookup-title' )->text() ) . "\n" .
Html::element( 'p', array(), $this->msg( 'smw-sp-admin-idlookup-docu' )->text() ) . "\n" .
Xml::tags( 'form', array(
'method' => 'get',
'action' => $GLOBALS['wgScript']
),
Html::hidden( 'title', $this->getContext()->getTitle()->getPrefixedText() ) .
Html::hidden( 'action', 'idlookup' ) .
Xml::inputLabel( $this->msg( 'smw-sp-admin-idlookup-objectid' )->text(), 'objectId', 'objectId', 20, null ) . ' ' .
Xml::submitButton( $this->msg( 'allpagessubmit' )->text() )
);
}
protected function actionUpdateTables() {
if ( $GLOBALS['wgRequest']->getText( 'udsure' ) == 'yes' ) {
$this->printRawOutput( function() {
$result = SMWStore::setupStore();
if ( $result === true ) {
print '<p><b>' . wfMessage( 'smw_smwadmin_setupsuccess' )->text() . "</b></p>\n";
}
} );
}
}
protected function actionRefreshStore( $refreshjob ) {
if ( $GLOBALS['smwgAdminRefreshStore'] ) {
$sure = $GLOBALS['wgRequest']->getText( 'rfsure' );
$title = SpecialPage::getTitleFor( 'SMWAdmin' );
if ( $sure == 'yes' ) {
if ( is_null( $refreshjob ) ) { // careful, there might be race conditions here
$newjob = new RefreshJob( $title, array( 'spos' => 1, 'prog' => 0, 'rc' => 2 ) );
$newjob->insert();
$this->getOutput()->addHTML( '<p>' . wfMessage( 'smw_smwadmin_updatestarted', '<a href="' . htmlspecialchars( $title->getFullURL() ) . '">Special:SMWAdmin</a>' )->text() . '</p>' );
} else {
$this->getOutput()->addHTML( '<p>' . wfMessage( 'smw_smwadmin_updatenotstarted', '<a href="' . htmlspecialchars( $title->getFullURL() ) . '">Special:SMWAdmin</a>' )->text() . '</p>' );
}
} elseif ( $sure == 'stop' ) {
// FIXME See above comments !!
$dbw = wfGetDB( DB_MASTER );
// delete (all) existing iteration jobs
$dbw->delete( 'job', array( 'job_cmd' => 'SMW\RefreshJob' ), __METHOD__ );
$this->getOutput()->addHTML( '<p>' . wfMessage( 'smw_smwadmin_updatestopped', '<a href="' . htmlspecialchars( $title->getFullURL() ) . '">Special:SMWAdmin</a>' )->text() . '</p>' );
} else {
$this->getOutput()->addHTML( '<p>' . wfMessage( 'smw_smwadmin_updatenotstopped', '<a href="' . htmlspecialchars( $title->getFullURL() ) . '">Special:SMWAdmin</a>' )->text() . '</p>' );
}
}
}
protected function actionListSettings() {
$this->printRawOutput( function( $instance ) {
print '<pre>' . $instance->encodeJson( Settings::newFromGlobals()->toArray() ) . '</pre>';
} );
}
protected function actionIdLookup( $objectId ) {
$objectId = (int)$objectId;
$this->printRawOutput( function( $instance ) use ( $objectId ) {
$tableName = $instance->getStore()->getObjectIds()->getIdTable();
$row = $instance->getStore()->getDatabase()->selectRow(
$tableName,
array(
'smw_title',
'smw_namespace',
'smw_iw',
'smw_subobject'
),
'smw_id=' . $objectId,
__METHOD__
);
print '<pre>' . $instance->encodeJson( array( $objectId, $row ) ) . '</pre>';
} );
}
protected function printRawOutput( $text ) {
$this->getOutput()->disable(); // raw output
ob_start();
print "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\" dir=\"ltr\">\n<head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /><title>Semantic MediaWiki</title></head><body><p><pre>";
// header( "Content-type: text/html; charset=UTF-8" );
is_callable( $text ) ? $text( $this ) : $text;
print '</pre></p>';
print '<b> ' . wfMessage( 'smw_smwadmin_return', '<a href="' . htmlspecialchars( SpecialPage::getTitleFor( 'SMWAdmin' )->getFullURL() ) . '">Special:SMWAdmin</a>' )->text() . "</b>\n";
print '</body></html>';
ob_flush();
flush();
}
/**
* @note JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, and
* JSON_UNESCAPED_UNICOD were only added with 5.4
*/
public function encodeJson( array $input ) {
if ( defined( 'JSON_PRETTY_PRINT' ) ) {
return json_encode( $input, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE );
}
return FormatJson::encode( $input, true );
}
}
|
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