134 lines
3.3 KiB
PHP
134 lines
3.3 KiB
PHP
<?php
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/**
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*
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* @addtogroup SpecialPage
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*/
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/**
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* Constructor
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*/
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function wfSpecialLockdb() {
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global $wgUser, $wgOut, $wgRequest;
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if( !$wgUser->isAllowed( 'siteadmin' ) ) {
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$wgOut->permissionRequired( 'siteadmin' );
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return;
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}
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# If the lock file isn't writable, we can do sweet bugger all
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global $wgReadOnlyFile;
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if( !is_writable( dirname( $wgReadOnlyFile ) ) ) {
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DBLockForm::notWritable();
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return;
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}
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$action = $wgRequest->getVal( 'action' );
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$f = new DBLockForm();
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if ( 'success' == $action ) {
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$f->showSuccess();
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} else if ( 'submit' == $action && $wgRequest->wasPosted() &&
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$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
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$f->doSubmit();
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} else {
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$f->showForm( '' );
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}
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}
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/**
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* A form to make the database readonly (eg for maintenance purposes).
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* @addtogroup SpecialPage
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*/
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class DBLockForm {
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var $reason = '';
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function DBLockForm() {
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global $wgRequest;
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$this->reason = $wgRequest->getText( 'wpLockReason' );
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}
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function showForm( $err ) {
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global $wgOut, $wgUser;
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$wgOut->setPagetitle( wfMsg( 'lockdb' ) );
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$wgOut->addWikiText( wfMsg( 'lockdbtext' ) );
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if ( "" != $err ) {
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$wgOut->setSubtitle( wfMsg( 'formerror' ) );
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$wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" );
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}
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$lc = htmlspecialchars( wfMsg( 'lockconfirm' ) );
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$lb = htmlspecialchars( wfMsg( 'lockbtn' ) );
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$elr = htmlspecialchars( wfMsg( 'enterlockreason' ) );
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$titleObj = SpecialPage::getTitleFor( 'Lockdb' );
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$action = $titleObj->escapeLocalURL( 'action=submit' );
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$reason = htmlspecialchars( $this->reason );
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$token = htmlspecialchars( $wgUser->editToken() );
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$wgOut->addHTML( <<<END
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<form id="lockdb" method="post" action="{$action}">
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{$elr}:
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<textarea name="wpLockReason" rows="10" cols="60" wrap="virtual">{$reason}</textarea>
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<table border="0">
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<tr>
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<td align="right">
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<input type="checkbox" name="wpLockConfirm" />
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</td>
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<td align="left">{$lc}</td>
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</tr>
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<tr>
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<td> </td>
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<td align="left">
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<input type="submit" name="wpLock" value="{$lb}" />
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</td>
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</tr>
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</table>
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<input type="hidden" name="wpEditToken" value="{$token}" />
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</form>
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END
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);
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}
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function doSubmit() {
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global $wgOut, $wgUser, $wgLang, $wgRequest;
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global $wgReadOnlyFile;
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if ( ! $wgRequest->getCheck( 'wpLockConfirm' ) ) {
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$this->showForm( wfMsg( 'locknoconfirm' ) );
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return;
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}
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$fp = @fopen( $wgReadOnlyFile, 'w' );
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if ( false === $fp ) {
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# This used to show a file not found error, but the likeliest reason for fopen()
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# to fail at this point is insufficient permission to write to the file...good old
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# is_writable() is plain wrong in some cases, it seems...
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$this->notWritable();
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return;
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}
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fwrite( $fp, $this->reason );
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fwrite( $fp, "\n<p>(by " . $wgUser->getName() . " at " .
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$wgLang->timeanddate( wfTimestampNow() ) . ")\n" );
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fclose( $fp );
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$titleObj = SpecialPage::getTitleFor( 'Lockdb' );
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$wgOut->redirect( $titleObj->getFullURL( 'action=success' ) );
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}
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function showSuccess() {
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global $wgOut;
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$wgOut->setPagetitle( wfMsg( 'lockdb' ) );
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$wgOut->setSubtitle( wfMsg( 'lockdbsuccesssub' ) );
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$wgOut->addWikiText( wfMsg( 'lockdbsuccesstext' ) );
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}
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public static function notWritable() {
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global $wgOut;
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$wgOut->errorPage( 'lockdb', 'lockfilenotwritable' );
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}
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}
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?>
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