SpecialLockdb.php

Go to the documentation of this file.

<?php
class SpecialLockdb extends FormSpecialPage {
        var $reason = '';

        public function __construct() {
                parent::__construct( 'Lockdb', 'siteadmin' );
        }

        public function requiresWrite() {
                return false;
        }

        public function checkExecutePermissions( User $user ) {
                global $wgReadOnlyFile;

                parent::checkExecutePermissions( $user );
                # If the lock file isn't writable, we can do sweet bugger all
                if ( !is_writable( dirname( $wgReadOnlyFile ) ) ) {
                        throw new ErrorPageError( 'lockdb', 'lockfilenotwritable' );
                }
        }

        protected function getFormFields() {
                return array(
                        'Reason' => array(
                                'type' => 'textarea',
                                'rows' => 4,
                                'vertical-label' => true,
                                'label-message' => 'enterlockreason',
                        ),
                        'Confirm' => array(
                                'type' => 'toggle',
                                'label-message' => 'lockconfirm',
                        ),
                );
        }

        protected function alterForm( HTMLForm $form ) {
                $form->setWrapperLegend( false );
                $form->setHeaderText( $this->msg( 'lockdbtext' )->parseAsBlock() );
                $form->setSubmitTextMsg( 'lockbtn' );
        }

        public function onSubmit( array $data ) {
                global $wgContLang, $wgReadOnlyFile;

                if ( !$data['Confirm'] ) {
                        return Status::newFatal( 'locknoconfirm' );
                }

                wfSuppressWarnings();
                $fp = fopen( $wgReadOnlyFile, 'w' );
                wfRestoreWarnings();

                if ( false === $fp ) {
                        # This used to show a file not found error, but the likeliest reason for fopen()
                        # to fail at this point is insufficient permission to write to the file...good old
                        # is_writable() is plain wrong in some cases, it seems...
                        return Status::newFatal( 'lockfilenotwritable' );
                }
                fwrite( $fp, $data['Reason'] );
                $timestamp = wfTimestampNow();
                fwrite( $fp, "\n<p>" . wfMsgExt(
                        'lockedbyandtime',
                        array( 'content', 'parsemag' ),
                        $this->getUser()->getName(),
                        $wgContLang->date( $timestamp ),
                        $wgContLang->time( $timestamp )
                ) . "</p>\n" );
                fclose( $fp );

                return Status::newGood();
        }

        public function onSuccess() {
                $out = $this->getOutput();
                $out->addSubtitle( $this->msg( 'lockdbsuccesssub' ) );
                $out->addWikiMsg( 'lockdbsuccesstext' );
        }
}