SpecialBlockip.php

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<?php

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

        if ( ! $wgUser->isSysop() ) {
                $wgOut->sysopRequired();
                return;
        }
        $ipb = new IPBlockForm();

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

class IPBlockForm {
        var $BlockAddress, $BlockExpiry, $BlockReason;

        function IPBlockForm() {
                global $wgRequest;
                $this->BlockAddress = $wgRequest->getVal( 'wpBlockAddress', $wgRequest->getVal( 'ip' ) );
                $this->BlockReason = $wgRequest->getText( 'wpBlockReason' );
                $this->BlockExpiry = $wgRequest->getVal( 'wpBlockExpiry' );
        }
        
        function showForm( $err )
        {
                global $wgOut, $wgUser, $wgLang, $wgDefaultBlockExpiry;
                global $wgRequest;

                $wgOut->setPagetitle( htmlspecialchars( wfMsg( "blockip" ) ) );
                $wgOut->addWikiText( htmlspecialchars( wfMsg( "blockiptext" ) ) );

                if ( is_null( $this->BlockExpiry ) || $this->BlockExpiry === "" ) {
                        $this->BlockExpiry = $wgDefaultBlockExpiry;
                }

                $mIpaddress = htmlspecialchars( wfMsg( "ipaddress" ) );
                $mIpbexpiry = htmlspecialchars( wfMsg( "ipbexpiry" ) );
                $mIpbreason = htmlspecialchars( wfMsg( "ipbreason" ) );
                $mIpbsubmit = htmlspecialchars( wfMsg( "ipbsubmit" ) );
                $titleObj = Title::makeTitle( NS_SPECIAL, "Blockip" );
                $action = $titleObj->escapeLocalURL( "action=submit" );

                if ( "" != $err ) {
                        $wgOut->setSubtitle( htmlspecialchars( wfMsg( "formerror" ) ) );
                        $wgOut->addHTML( "<p class='error'>{$err}</p>\n" );
                }

                $scBlockAddress = htmlspecialchars( $this->BlockAddress );
                $scBlockExpiry = htmlspecialchars( $this->BlockExpiry );
                $scBlockReason = htmlspecialchars( $this->BlockReason );
                
                $wgOut->addHTML( "
<form id=\"blockip\" method=\"post\" action=\"{$action}\">
        <table border='0'>
                <tr>
                        <td align=\"right\">{$mIpaddress}:</td>
                        <td align=\"left\">
                                <input tabindex='1' type='text' size='20' name=\"wpBlockAddress\" value=\"{$scBlockAddress}\" />
                        </td>
                </tr>
                <tr>
                        <td align=\"right\">{$mIpbexpiry}:</td>
                        <td align=\"left\">
                                <input tabindex='2' type='text' size='20' name=\"wpBlockExpiry\" value=\"{$scBlockExpiry}\" />
                        </td>
                </tr>
                <tr>
                        <td align=\"right\">{$mIpbreason}:</td>
                        <td align=\"left\">
                                <input tabindex='3' type='text' size='40' name=\"wpBlockReason\" value=\"{$scBlockReason}\" />
                        </td>
                </tr>
                <tr>
                        <td>&nbsp;</td>
                        <td align=\"left\">
                                <input tabindex='4' type='submit' name=\"wpBlock\" value=\"{$mIpbsubmit}\" />
                        </td>
                </tr>
        </table>
</form>\n" );

        }

        function doSubmit()
        {
                global $wgOut, $wgUser, $wgLang;
                global $wgSysopUserBans, $wgSysopRangeBans;
                
                $userId = 0;
                $this->BlockAddress = trim( $this->BlockAddress );
                $rxIP = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';

                # Check for invalid specifications
                if ( ! preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
                        if ( preg_match( "/^($rxIP)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
                                if ( $wgSysopRangeBans ) {
                                        if ( $matches[2] > 31 || $matches[2] < 16 ) {
                                                $this->showForm( wfMsg( "ip_range_invalid" ) );
                                                return;
                                        }
                                        $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
                                } else {
                                        # Range block illegal
                                        $this->showForm( wfMsg( "range_block_disabled" ) );
                                        return;
                                }
                        } else {
                                # Username block
                                if ( $wgSysopUserBans ) {       
                                        $userId = User::idFromName( $this->BlockAddress );
                                        if ( $userId == 0 ) {
                                                $this->showForm( wfMsg( "nosuchuser", htmlspecialchars( $this->BlockAddress ) ) );
                                                return;
                                        }
                                } else {
                                        $this->showForm( wfMsg( "badipaddress" ) );
                                        return;
                                }
                        }
                }

                if ( $this->BlockExpiry == "infinite" || $this->BlockExpiry == "indefinite" ) {
                        $expiry = '';
                } else {
                        # Convert GNU-style date, returns -1 on error
                        $expiry = strtotime( $this->BlockExpiry );

                        if ( $expiry < 0 ) {
                                $this->showForm( wfMsg( "ipb_expiry_invalid" ) );
                                return;
                        }
                        
                        $expiry = wfUnix2Timestamp( $expiry );

                }

                
                if ( "" == $this->BlockReason ) {
                        $this->showForm( wfMsg( "noblockreason" ) );
                        return;
                }
                
                # Create block
                # Note: for a user block, ipb_address is only for display purposes

                $ban = new Block( $this->BlockAddress, $userId, $wgUser->getID(), 
                        wfStrencode( $this->BlockReason ), wfTimestampNow(), 0, $expiry );
                $ban->insert();

                # Make log entry
                $log = new LogPage( wfMsg( "blocklogpage" ), wfMsg( "blocklogtext" ) );
                $action = wfMsg( "blocklogentry", $this->BlockAddress, $this->BlockExpiry );
                $log->addEntry( $action, $this->BlockReason );

                # Report to the user
                $titleObj = Title::makeTitle( NS_SPECIAL, "Blockip" );
                $wgOut->redirect( $titleObj->getFullURL( "action=success&ip={$this->BlockAddress}" ) );
        }

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

                $wgOut->setPagetitle( wfMsg( "blockip" ) );
                $wgOut->setSubtitle( wfMsg( "blockipsuccesssub" ) );
                $text = wfMsg( "blockipsuccesstext", $this->BlockAddress );
                $wgOut->addWikiText( $text );
        }
}

?>

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