wiki.techinc.nl/includes/SpecialLockdb.php

<?php
/**
 *
 * @package MediaWiki
 * @subpackage SpecialPage
 */

/**
 * Constructor
 */
function wfSpecialLockdb()
{
	global $wgUser, $wgOut, $wgRequest;

	if ( ! $wgUser->isAllowed('siteadmin') ) {
		$wgOut->developerRequired();
		return;
	}
	$action = $wgRequest->getVal( 'action' );
	$f = new DBLockForm();

	if ( "success" == $action ) {
		$f->showSuccess();
	} else if ( "submit" == $action && $wgRequest->wasPosted() &&
		$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
		$f->doSubmit();
	} else {
		$f->showForm( "" );
	}
}

/**
 *
 * @package MediaWiki
 * @subpackage SpecialPage
 */
class DBLockForm {
	var $reason = '';
	
	function DBLockForm() {
		global $wgRequest;
		$this->reason = $wgRequest->getText( 'wpLockReason' );
	}
	
	function showForm( $err )
	{
		global $wgOut, $wgUser, $wgLang;

		$wgOut->setPagetitle( wfMsg( "lockdb" ) );
		$wgOut->addWikiText( wfMsg( "lockdbtext" ) );

		if ( "" != $err ) {
			$wgOut->setSubtitle( wfMsg( "formerror" ) );
			$wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" );
		}
		$lc = htmlspecialchars( wfMsg( "lockconfirm" ) );
		$lb = htmlspecialchars( wfMsg( "lockbtn" ) );
		$elr = htmlspecialchars( wfMsg( "enterlockreason" ) );
		$titleObj = Title::makeTitle( NS_SPECIAL, "Lockdb" );
		$action = $titleObj->escapeLocalURL( "action=submit" );
		$token = htmlspecialchars( $wgUser->editToken() );

		$wgOut->addHTML( <<<END
<form id="lockdb" method="post" action="{$action}">
{$elr}:
<textarea name="wpLockReason" rows="10" cols="60" wrap="virtual"></textarea>
<table border="0">
	<tr>
		<td align="right">
			<input type="checkbox" name="wpLockConfirm" />
		</td>
		<td align="left">{$lc}</td>
	</tr>
	<tr>
		<td>&nbsp;</td>
		<td align="left">
			<input type="submit" name="wpLock" value="{$lb}" />
		</td>
	</tr>
</table>
<input type="hidden" name="wpEditToken" value="{$token}" />
</form>
END
);

	}

	function doSubmit() {
		global $wgOut, $wgUser, $wgLang, $wgRequest;
		global $wgReadOnlyFile;

		if ( ! $wgRequest->getCheck( 'wpLockConfirm' ) ) {
			$this->showForm( wfMsg( "locknoconfirm" ) );
			return;
		}
		$fp = fopen( $wgReadOnlyFile, "w" );

		if ( false === $fp ) {
			$wgOut->fileNotFoundError( $wgReadOnlyFile );
			return;
		}
		fwrite( $fp, $this->reason );
		fwrite( $fp, "\n<p>(by " . $wgUser->getName() . " at " .
		  $wgLang->timeanddate( wfTimestampNow() ) . ")\n" );
		fclose( $fp );

		$titleObj = Title::makeTitle( NS_SPECIAL, "Lockdb" );
		$wgOut->redirect( $titleObj->getFullURL( "action=success" ) );
	}

	function showSuccess() {
		global $wgOut, $wgUser;

		$wgOut->setPagetitle( wfMsg( "lockdb" ) );
		$wgOut->setSubtitle( wfMsg( "lockdbsuccesssub" ) );
		$wgOut->addWikiText( wfMsg( "lockdbsuccesstext" ) );
	}
}

?>