00001 <?php 00010 function wfSpecialLockdb() { 00011 global $wgUser, $wgOut, $wgRequest; 00012 00013 if( !$wgUser->isAllowed( 'siteadmin' ) ) { 00014 $wgOut->permissionRequired( 'siteadmin' ); 00015 return; 00016 } 00017 00018 # If the lock file isn't writable, we can do sweet bugger all 00019 global $wgReadOnlyFile; 00020 if( !is_writable( dirname( $wgReadOnlyFile ) ) ) { 00021 DBLockForm::notWritable(); 00022 return; 00023 } 00024 00025 $action = $wgRequest->getVal( 'action' ); 00026 $f = new DBLockForm(); 00027 00028 if ( 'success' == $action ) { 00029 $f->showSuccess(); 00030 } else if ( 'submit' == $action && $wgRequest->wasPosted() && 00031 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) { 00032 $f->doSubmit(); 00033 } else { 00034 $f->showForm( '' ); 00035 } 00036 } 00037 00042 class DBLockForm { 00043 var $reason = ''; 00044 00045 function DBLockForm() { 00046 global $wgRequest; 00047 $this->reason = $wgRequest->getText( 'wpLockReason' ); 00048 } 00049 00050 function showForm( $err ) { 00051 global $wgOut, $wgUser; 00052 00053 $wgOut->setPagetitle( wfMsg( 'lockdb' ) ); 00054 $wgOut->addWikiMsg( 'lockdbtext' ); 00055 00056 if ( "" != $err ) { 00057 $wgOut->setSubtitle( wfMsg( 'formerror' ) ); 00058 $wgOut->addHTML( '<p class="error">' . htmlspecialchars( $err ) . "</p>\n" ); 00059 } 00060 $lc = htmlspecialchars( wfMsg( 'lockconfirm' ) ); 00061 $lb = htmlspecialchars( wfMsg( 'lockbtn' ) ); 00062 $elr = htmlspecialchars( wfMsg( 'enterlockreason' ) ); 00063 $titleObj = SpecialPage::getTitleFor( 'Lockdb' ); 00064 $action = $titleObj->escapeLocalURL( 'action=submit' ); 00065 $reason = htmlspecialchars( $this->reason ); 00066 $token = htmlspecialchars( $wgUser->editToken() ); 00067 00068 $wgOut->addHTML( <<<END 00069 <form id="lockdb" method="post" action="{$action}"> 00070 {$elr}: 00071 <textarea name="wpLockReason" rows="10" cols="60" wrap="virtual">{$reason}</textarea> 00072 <table border="0"> 00073 <tr> 00074 <td align="right"> 00075 <input type="checkbox" name="wpLockConfirm" /> 00076 </td> 00077 <td align="left">{$lc}</td> 00078 </tr> 00079 <tr> 00080 <td> </td> 00081 <td align="left"> 00082 <input type="submit" name="wpLock" value="{$lb}" /> 00083 </td> 00084 </tr> 00085 </table> 00086 <input type="hidden" name="wpEditToken" value="{$token}" /> 00087 </form> 00088 END 00089 ); 00090 00091 } 00092 00093 function doSubmit() { 00094 global $wgOut, $wgUser, $wgLang, $wgRequest; 00095 global $wgReadOnlyFile; 00096 00097 if ( ! $wgRequest->getCheck( 'wpLockConfirm' ) ) { 00098 $this->showForm( wfMsg( 'locknoconfirm' ) ); 00099 return; 00100 } 00101 $fp = @fopen( $wgReadOnlyFile, 'w' ); 00102 00103 if ( false === $fp ) { 00104 # This used to show a file not found error, but the likeliest reason for fopen() 00105 # to fail at this point is insufficient permission to write to the file...good old 00106 # is_writable() is plain wrong in some cases, it seems... 00107 self::notWritable(); 00108 return; 00109 } 00110 fwrite( $fp, $this->reason ); 00111 fwrite( $fp, "\n<p>(by " . $wgUser->getName() . " at " . 00112 $wgLang->timeanddate( wfTimestampNow() ) . ")</p>\n" ); 00113 fclose( $fp ); 00114 00115 $titleObj = SpecialPage::getTitleFor( 'Lockdb' ); 00116 $wgOut->redirect( $titleObj->getFullURL( 'action=success' ) ); 00117 } 00118 00119 function showSuccess() { 00120 global $wgOut; 00121 00122 $wgOut->setPagetitle( wfMsg( 'lockdb' ) ); 00123 $wgOut->setSubtitle( wfMsg( 'lockdbsuccesssub' ) ); 00124 $wgOut->addWikiMsg( 'lockdbsuccesstext' ); 00125 } 00126 00127 public static function notWritable() { 00128 global $wgOut; 00129 $wgOut->showErrorPage( 'lockdb', 'lockfilenotwritable' ); 00130 } 00131 }