SpecialLockdb.php

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<?php

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

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

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

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" ) );
                        $wgOut->addHTML( "<p><font color='red' size='+1'>{$err}</font>\n" );
                }
                $lc = wfMsg( "lockconfirm" );
                $lb = wfMsg( "lockbtn" );
                $elr = wfMsg( "enterlockreason" );
                $titleObj = Title::makeTitle( NS_SPECIAL, "Lockdb" );
                $action = $titleObj->escapeLocalURL( "action=submit" );

                $wgOut->addHTML( "<p>
<form id=\"lockdb\" method=\"post\" action=\"{$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>
</form>\n" );

        }

        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" ) );
        }
}

?>

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