SpecialEmailuser.php

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<?php

require_once('UserMailer.php');

function wfSpecialEmailuser( $par ) {
        global $wgUser, $wgOut, $wgRequest;

        if ( 0 == $wgUser->getID() ||
                ( false === strpos( $wgUser->getEmail(), "@" ) ) ) {
                $wgOut->errorpage( "mailnologin", "mailnologintext" );
                return;
        }
        
        $action = $wgRequest->getVal( 'action' );
        if( empty( $par ) ) {
                $target = $wgRequest->getVal( 'target' );
        } else {
                $target = $par;
        }
        if ( "" == $target ) {
                $wgOut->errorpage( "notargettitle", "notargettext" );
                return;
        }
        $nt = Title::newFromURL( $target );
        $nu = User::newFromName( $nt->getText() );
        $id = $nu->idForName();

        if ( 0 == $id ) {
                $wgOut->errorpage( "noemailtitle", "noemailtext" );
                return;
        }
        $nu->setID( $id );
        $address = $nu->getEmail();

        if ( ( false === strpos( $address, "@" ) ) ||
          ( 1 == $nu->getOption( "disablemail" ) ) ) {
                $wgOut->errorpage( "noemailtitle", "noemailtext" );
                return;
        }

        $f = new EmailUserForm( $nu->getName() . " <{$address}>", $target );

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

class EmailUserForm {

        var $mAddress;
        var $target;
        var $text, $subject;

        function EmailUserForm( $addr, $target )
        {
                global $wgRequest;
                $this->mAddress = $addr;
                $this->target = $target;
                $this->text = $wgRequest->getText( 'wpText' );
                $this->subject = $wgRequest->getText( 'wpSubject' );
        }

        function showForm( $err )
        {
                global $wgOut, $wgUser, $wgLang;

                $wgOut->setPagetitle( wfMsg( "emailpage" ) );
                $wgOut->addWikiText( wfMsg( "emailpagetext" ) );

                if ( $this->subject === "" ) { 
                        $this->subject = wfMsg( "defemailsubject" ); 
                }

                $emf = wfMsg( "emailfrom" );
                $sender = $wgUser->getName();
                $emt = wfMsg( "emailto" );
                $rcpt = str_replace( "_", " ", $this->target );
                $emr = wfMsg( "emailsubject" );
                $emm = wfMsg( "emailmessage" );
                $ems = wfMsg( "emailsend" );
                $encSubject = htmlspecialchars( $this->subject );
                
                $titleObj = Title::makeTitle( NS_SPECIAL, "Emailuser" );
                $action = $titleObj->escapeLocalURL( "target={$this->target}&action=submit" );

                if ( "" != $err ) {
                        $wgOut->setSubtitle( wfMsg( "formerror" ) );
                        $wgOut->addHTML( "<p><font color='red' size='+1'>{$err}</font>\n" );
                }
                $wgOut->addHTML( "<p>
<form id=\"emailuser\" method=\"post\" action=\"{$action}\">
<table border=0><tr>
<td align=right>{$emf}:</td>
<td align=left><strong>{$sender}</strong></td>
</tr><tr>
<td align=right>{$emt}:</td>
<td align=left><strong>{$rcpt}</strong></td>
</tr><tr>
<td align=right>{$emr}:</td>
<td align=left>
<input type=text name=\"wpSubject\" value=\"{$encSubject}\">
</td>
</tr><tr>
<td align=right>{$emm}:</td>
<td align=left>
<textarea name=\"wpText\" rows=10 cols=60 wrap=virtual>
{$this->text}
</textarea>
</td></tr><tr>
<td>&nbsp;</td><td align=left>
<input type=submit name=\"wpSend\" value=\"{$ems}\">
</td></tr></table>
</form>\n" );

        }

        function doSubmit()
        {
                global $wgOut, $wgUser, $wgLang, $wgOutputEncoding;
            
                $from = wfQuotedPrintable( $wgUser->getName() ) . " <" . $wgUser->getEmail() . ">";
                
                $mailResult = userMailer( $this->mAddress, $from, wfQuotedPrintable( $this->subject ), $this->text );

                if (! $mailResult)
                {
                        $titleObj = Title::makeTitle( NS_SPECIAL, "Emailuser" );
                        $encTarget = wfUrlencode( $this->target );
                        $wgOut->redirect( $titleObj->getFullURL( "target={$encTarget}&action=success" ) );
                }
                else
                        $wgOut->addHTML( wfMsg( "usermailererror" ) . $mailResult);
        }

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

                $wgOut->setPagetitle( wfMsg( "emailsent" ) );
                $wgOut->addHTML( wfMsg( "emailsenttext" ) );

                $wgOut->returnToMain( false );
        }
}
?>

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