--- /dev/null
+<?php
+/**
+ * @file
+ * @ingroup SpecialPage
+ */
+
+/**
+ * Constructor for Special:Emailuser.
+ */
+function wfSpecialEmailuser( $par ) {
+ global $wgRequest, $wgUser, $wgOut;
+
+ if ( !EmailUserForm::userEmailEnabled() ) {
+ $wgOut->showErrorPage( 'nosuchspecialpage', 'nospecialpagetext' );
+ return;
+ }
+
+ $action = $wgRequest->getVal( 'action' );
+ $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
+ $targetUser = EmailUserForm::validateEmailTarget( $target );
+
+ if ( !( $targetUser instanceof User ) ) {
+ $wgOut->showErrorPage( $targetUser.'title', $targetUser.'text' );
+ return;
+ }
+
+ $form = new EmailUserForm( $targetUser,
+ $wgRequest->getText( 'wpText' ),
+ $wgRequest->getText( 'wpSubject' ),
+ $wgRequest->getBool( 'wpCCMe' ) );
+ if ( $action == 'success' ) {
+ $form->showSuccess();
+ return;
+ }
+
+ $error = EmailUserForm::getPermissionsError( $wgUser, $wgRequest->getVal( 'wpEditToken' ) );
+ if ( $error ) {
+ switch ( $error ) {
+ case 'blockedemailuser':
+ $wgOut->blockedPage();
+ return;
+ case 'actionthrottledtext':
+ $wgOut->rateLimited();
+ return;
+ case 'sessionfailure':
+ $form->showForm();
+ return;
+ case 'mailnologin':
+ $wgOut->showErrorPage( 'mailnologin', 'mailnologintext' );
+ return;
+ }
+ }
+
+ if ( "submit" == $action && $wgRequest->wasPosted() ) {
+ $result = $form->doSubmit();
+
+ if ( !is_null( $result ) ) {
+ $wgOut->addHTML( wfMsg( "usermailererror" ) .
+ ' ' . htmlspecialchars( $result->getMessage() ) );
+ } else {
+ $titleObj = SpecialPage::getTitleFor( "Emailuser" );
+ $encTarget = wfUrlencode( $form->getTarget()->getName() );
+ $wgOut->redirect( $titleObj->getFullURL( "target={$encTarget}&action=success" ) );
+ }
+ } else {
+ $form->showForm();
+ }
+}
+
+/**
+ * Implements the Special:Emailuser web interface, and invokes userMailer for sending the email message.
+ * @ingroup SpecialPage
+ */
+class EmailUserForm {
+
+ var $target;
+ var $text, $subject;
+ var $cc_me; // Whether user requested to be sent a separate copy of their email.
+
+ /**
+ * @param User $target
+ */
+ function EmailUserForm( $target, $text, $subject, $cc_me ) {
+ $this->target = $target;
+ $this->text = $text;
+ $this->subject = $subject;
+ $this->cc_me = $cc_me;
+ }
+
+ function showForm() {
+ global $wgOut, $wgUser;
+ $skin = $wgUser->getSkin();
+
+ $wgOut->setPagetitle( wfMsg( "emailpage" ) );
+ $wgOut->addWikiMsg( "emailpagetext" );
+
+ if ( $this->subject === "" ) {
+ $this->subject = wfMsgExt( 'defemailsubject', array( 'content', 'parsemag' ) );
+ }
+
+ $titleObj = SpecialPage::getTitleFor( "Emailuser" );
+ $action = $titleObj->getLocalURL( "target=" .
+ urlencode( $this->target->getName() ) . "&action=submit" );
+
+ $wgOut->addHTML(
+ Xml::openElement( 'form', array( 'method' => 'post', 'action' => $action, 'id' => 'emailuser' ) ) .
+ Xml::openElement( 'fieldset' ) .
+ Xml::element( 'legend', null, wfMsgExt( 'email-legend', 'parsemag' ) ) .
+ Xml::openElement( 'table', array( 'class' => 'mw-emailuser-table' ) ) .
+ "<tr>
+ <td class='mw-label'>" .
+ Xml::label( wfMsg( 'emailfrom' ), 'emailfrom' ) .
+ "</td>
+ <td class='mw-input' id='mw-emailuser-sender'>" .
+ $skin->link( $wgUser->getUserPage(), htmlspecialchars( $wgUser->getName() ) ) .
+ "</td>
+ </tr>
+ <tr>
+ <td class='mw-label'>" .
+ Xml::label( wfMsg( 'emailto' ), 'emailto' ) .
+ "</td>
+ <td class='mw-input' id='mw-emailuser-recipient'>" .
+ $skin->link( $this->target->getUserPage(), htmlspecialchars( $this->target->getName() ) ) .
+ "</td>
+ </tr>
+ <tr>
+ <td class='mw-label'>" .
+ Xml::label( wfMsg( 'emailsubject' ), 'wpSubject' ) .
+ "</td>
+ <td class='mw-input'>" .
+ Xml::input( 'wpSubject', 60, $this->subject, array( 'type' => 'text', 'maxlength' => 200 ) ) .
+ "</td>
+ </tr>
+ <tr>
+ <td class='mw-label'>" .
+ Xml::label( wfMsg( 'emailmessage' ), 'wpText' ) .
+ "</td>
+ <td class='mw-input'>" .
+ Xml::textarea( 'wpText', $this->text, 80, 20, array( 'id' => 'wpText' ) ) .
+ "</td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class='mw-input'>" .
+ Xml::checkLabel( wfMsg( 'emailccme' ), 'wpCCMe', 'wpCCMe', $wgUser->getBoolOption( 'ccmeonemails' ) ) .
+ "</td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class='mw-submit'>" .
+ Xml::submitButton( wfMsg( 'emailsend' ), array( 'name' => 'wpSend', 'accesskey' => 's' ) ) .
+ "</td>
+ </tr>" .
+ Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
+ Xml::closeElement( 'table' ) .
+ Xml::closeElement( 'fieldset' ) .
+ Xml::closeElement( 'form' )
+ );
+ }
+
+ /*
+ * Really send a mail. Permissions should have been checked using
+ * EmailUserForm::getPermissionsError. It is probably also a good idea to
+ * check the edit token and ping limiter in advance.
+ */
+ function doSubmit() {
+ global $wgUser, $wgUserEmailUseReplyTo, $wgSiteName;
+
+ $to = new MailAddress( $this->target );
+ $from = new MailAddress( $wgUser );
+ $subject = $this->subject;
+
+ // Add a standard footer and trim up trailing newlines
+ $this->text = rtrim($this->text) . "\n\n-- \n" . wfMsgExt( 'emailuserfooter',
+ array( 'content', 'parsemag' ), array( $from->name, $to->name ) );
+
+ if( wfRunHooks( 'EmailUser', array( &$to, &$from, &$subject, &$this->text ) ) ) {
+
+ if( $wgUserEmailUseReplyTo ) {
+ // Put the generic wiki autogenerated address in the From:
+ // header and reserve the user for Reply-To.
+ //
+ // This is a bit ugly, but will serve to differentiate
+ // wiki-borne mails from direct mails and protects against
+ // SPF and bounce problems with some mailers (see below).
+ global $wgPasswordSender;
+ $mailFrom = new MailAddress( $wgPasswordSender );
+ $replyTo = $from;
+ } else {
+ // Put the sending user's e-mail address in the From: header.
+ //
+ // This is clean-looking and convenient, but has issues.
+ // One is that it doesn't as clearly differentiate the wiki mail
+ // from "directly" sent mails.
+ //
+ // Another is that some mailers (like sSMTP) will use the From
+ // address as the envelope sender as well. For open sites this
+ // can cause mails to be flunked for SPF violations (since the
+ // wiki server isn't an authorized sender for various users'
+ // domains) as well as creating a privacy issue as bounces
+ // containing the recipient's e-mail address may get sent to
+ // the sending user.
+ $mailFrom = $from;
+ $replyTo = null;
+ }
+
+ $mailResult = UserMailer::send( $to, $mailFrom, $subject, $this->text, $replyTo );
+
+ if( WikiError::isError( $mailResult ) ) {
+ return $mailResult;
+
+ } else {
+
+ // if the user requested a copy of this mail, do this now,
+ // unless they are emailing themselves, in which case one copy of the message is sufficient.
+ if ($this->cc_me && $to != $from) {
+ $cc_subject = wfMsg('emailccsubject', $this->target->getName(), $subject);
+ if( wfRunHooks( 'EmailUser', array( &$from, &$from, &$cc_subject, &$this->text ) ) ) {
+ $ccResult = UserMailer::send( $from, $from, $cc_subject, $this->text );
+ if( WikiError::isError( $ccResult ) ) {
+ // At this stage, the user's CC mail has failed, but their
+ // original mail has succeeded. It's unlikely, but still, what to do?
+ // We can either show them an error, or we can say everything was fine,
+ // or we can say we sort of failed AND sort of succeeded. Of these options,
+ // simply saying there was an error is probably best.
+ return $ccResult;
+ }
+ }
+ }
+
+ wfRunHooks( 'EmailUserComplete', array( $to, $from, $subject, $this->text ) );
+ return;
+ }
+ }
+ }
+
+ function showSuccess( &$user = null ) {
+ global $wgOut;
+
+ if ( is_null($user) )
+ $user = $this->target;
+
+ $wgOut->setPagetitle( wfMsg( "emailsent" ) );
+ $wgOut->addHTML( wfMsg( "emailsenttext" ) );
+
+ $wgOut->returnToMain( false, $user->getUserPage() );
+ }
+
+ function getTarget() {
+ return $this->target;
+ }
+
+ static function userEmailEnabled() {
+ global $wgEnableEmail, $wgEnableUserEmail;
+ return $wgEnableEmail && $wgEnableUserEmail;
+
+ }
+ static function validateEmailTarget ( $target ) {
+ if ( "" == $target ) {
+ wfDebug( "Target is empty.\n" );
+ return "notarget";
+ }
+
+ $nt = Title::newFromURL( $target );
+ if ( is_null( $nt ) ) {
+ wfDebug( "Target is invalid title.\n" );
+ return "notarget";
+ }
+
+ $nu = User::newFromName( $nt->getText() );
+ if( is_null( $nu ) || !$nu->getId() ) {
+ wfDebug( "Target is invalid user.\n" );
+ return "notarget";
+ } else if ( !$nu->isEmailConfirmed() ) {
+ wfDebug( "User has no valid email.\n" );
+ return "noemail";
+ } else if ( !$nu->canReceiveEmail() ) {
+ wfDebug( "User does not allow user emails.\n" );
+ return "nowikiemail";
+ }
+
+ return $nu;
+ }
+ static function getPermissionsError ( $user, $editToken ) {
+ if( !$user->canSendEmail() ) {
+ wfDebug( "User can't send.\n" );
+ return "mailnologin";
+ }
+
+ if( $user->isBlockedFromEmailuser() ) {
+ wfDebug( "User is blocked from sending e-mail.\n" );
+ return "blockedemailuser";
+ }
+
+ if( $user->pingLimiter( 'emailuser' ) ) {
+ wfDebug( "Ping limiter triggered.\n" );
+ return 'actionthrottledtext';
+ }
+
+ if( !$user->matchEditToken( $editToken ) ) {
+ wfDebug( "Matching edit token failed.\n" );
+ return 'sessionfailure';
+ }
+
+ return;
+ }
+
+ static function newFromURL( $target, $text, $subject, $cc_me )
+ {
+ $nt = Title::newFromURL( $target );
+ $nu = User::newFromName( $nt->getText() );
+ return new EmailUserForm( $nu, $text, $subject, $cc_me );
+ }
+}