<?php
/**
+ * Implements Special:Emailuser
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup SpecialPage
*/
/**
- * @todo document
+ * A special page that allows users to send e-mails to other users
+ *
+ * @ingroup SpecialPage
*/
-function wfSpecialEmailuser( $par ) {
- global $wgRequest, $wgUser, $wgOut;
+class SpecialEmailUser extends UnlistedSpecialPage {
+ protected $mTarget;
- $action = $wgRequest->getVal( 'action' );
- $target = isset($par) ? $par : $wgRequest->getVal( 'target' );
- $targetUser = EmailUserForm::validateEmailTarget( $target );
-
- if ( !( $targetUser instanceof User ) ) {
- $wgOut->showErrorPage( $targetUser[0], $targetUser[1] );
- return;
+ public function __construct() {
+ parent::__construct( 'Emailuser' );
}
-
- $form = new EmailUserForm( $targetUser,
- $wgRequest->getText( 'wpText' ),
- $wgRequest->getText( 'wpSubject' ),
- $wgRequest->getBool( 'wpCCMe' ) );
- if ( $action == 'success' ) {
- $form->showSuccess();
- return;
+
+ protected function getFormFields() {
+ return array(
+ 'From' => array(
+ 'type' => 'info',
+ 'raw' => 1,
+ 'default' => Linker::link(
+ $this->getUser()->getUserPage(),
+ htmlspecialchars( $this->getUser()->getName() )
+ ),
+ 'label-message' => 'emailfrom',
+ 'id' => 'mw-emailuser-sender',
+ ),
+ 'To' => array(
+ 'type' => 'info',
+ 'raw' => 1,
+ 'default' => Linker::link(
+ $this->mTargetObj->getUserPage(),
+ htmlspecialchars( $this->mTargetObj->getName() )
+ ),
+ 'label-message' => 'emailto',
+ 'id' => 'mw-emailuser-recipient',
+ ),
+ 'Target' => array(
+ 'type' => 'hidden',
+ 'default' => $this->mTargetObj->getName(),
+ ),
+ 'Subject' => array(
+ 'type' => 'text',
+ 'default' => wfMsgExt( 'defemailsubject', array( 'content', 'parsemag' ) ),
+ 'label-message' => 'emailsubject',
+ 'maxlength' => 200,
+ 'size' => 60,
+ 'required' => 1,
+ ),
+ 'Text' => array(
+ 'type' => 'textarea',
+ 'rows' => 20,
+ 'cols' => 80,
+ 'label-message' => 'emailmessage',
+ 'required' => 1,
+ ),
+ 'CCMe' => array(
+ 'type' => 'check',
+ 'label-message' => 'emailccme',
+ 'default' => $this->getUser()->getBoolOption( 'ccmeonemails' ),
+ ),
+ );
}
-
- $error = EmailUserForm::getPermissionsError( $wgUser, $wgRequest->getVal( 'wpEditToken' ) );
- if ( $error ) {
- switch ( $error[0] ) {
+
+ public function execute( $par ) {
+ $this->setHeaders();
+ $this->outputHeader();
+ $out = $this->getOutput();
+ $out->addModuleStyles( 'mediawiki.special' );
+ $this->mTarget = is_null( $par )
+ ? $this->getRequest()->getVal( 'wpTarget', $this->getRequest()->getVal( 'target', '' ) )
+ : $par;
+ // error out if sending user cannot do this
+ $error = self::getPermissionsError( $this->getUser(), $this->getRequest()->getVal( 'wpEditToken' ) );
+ switch ( $error ) {
+ case null:
+ # Wahey!
+ break;
+ case 'badaccess':
+ throw new PermissionsError( 'sendemail' );
case 'blockedemailuser':
- $wgOut->blockedPage();
- return;
+ throw new UserBlockedError( $this->getUser()->mBlock );
case 'actionthrottledtext':
- $wgOut->rateLimited();
- return;
- case 'sessionfailure':
- $form->showForm();
- return;
+ throw new ThrottledError;
+ case 'mailnologin':
+ case 'usermaildisabled':
+ throw new ErrorPageError( $error, "{$error}text" );
default:
- $wgOut->showErrorPage( $error[0], $error[1] );
- return;
+ # It's a hook error
+ list( $title, $msg, $params ) = $error;
+ throw new ErrorPageError( $title, $msg, $params );
}
- }
-
-
- 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" ) );
+ // Got a valid target user name? Else ask for one.
+ $ret = self::getTarget( $this->mTarget );
+ if( !$ret instanceof User ) {
+ if( $this->mTarget != '' ) {
+ $ret = ( $ret == 'notarget' ) ? 'emailnotarget' : ( $ret . 'text' );
+ $out->addHTML( '<p class="error">' . wfMessage( $ret )->parse() . '</p>' );
+ }
+ $out->addHTML( self::userForm( $this->mTarget ) );
+ return false;
}
- } else {
- $form->showForm();
- }
-}
-/**
- * Implements the Special:Emailuser web interface, and invokes userMailer for sending the email message.
- * @ingroup SpecialPage
- */
-class EmailUserForm {
+ $this->mTargetObj = $ret;
+
+ $form = new HTMLForm( $this->getFormFields() );
+ $form->addPreText( wfMsgExt( 'emailpagetext', 'parseinline' ) );
+ $form->setSubmitText( wfMsg( 'emailsend' ) );
+ $form->setTitle( $this->getTitle() );
+ $form->setSubmitCallback( array( __CLASS__, 'submit' ) );
+ $form->setWrapperLegend( wfMsgExt( 'email-legend', 'parsemag' ) );
+ $form->loadData();
+
+ if( !wfRunHooks( 'EmailUserForm', array( &$form ) ) ) {
+ return false;
+ }
- var $target;
- var $text, $subject;
- var $cc_me; // Whether user requested to be sent a separate copy of their email.
+ $out->setPageTitle( wfMsg( 'emailpage' ) );
+ $result = $form->show();
+
+ if( $result === true || ( $result instanceof Status && $result->isGood() ) ) {
+ $out->setPageTitle( wfMsg( 'emailsent' ) );
+ $out->addWikiMsg( 'emailsenttext' );
+ $out->returnToMain( false, $this->mTargetObj->getUserPage() );
+ }
+ }
/**
- * @param User $target
+ * Validate target User
+ *
+ * @param $target String: target user name
+ * @return User object on success or a string on error
*/
- function EmailUserForm( $target, $text, $subject, $cc_me ) {
- $this->target = $target;
- $this->text = $text;
- $this->subject = $subject;
- $this->cc_me = $cc_me;
+ public static function getTarget( $target ) {
+ if ( $target == '' ) {
+ wfDebug( "Target is empty.\n" );
+ return 'notarget';
+ }
+
+ $nu = User::newFromName( $target );
+ if( !$nu instanceof User || !$nu->getId() ) {
+ wfDebug( "Target is invalid user.\n" );
+ return 'notarget';
+ } elseif ( !$nu->isEmailConfirmed() ) {
+ wfDebug( "User has no valid email.\n" );
+ return 'noemail';
+ } elseif ( !$nu->canReceiveEmail() ) {
+ wfDebug( "User does not allow user emails.\n" );
+ return 'nowikiemail';
+ }
+
+ return $nu;
}
- function showForm() {
- global $wgOut, $wgUser;
- $skin = $wgUser->getSkin();
+ /**
+ * Check whether a user is allowed to send email
+ *
+ * @param $user User object
+ * @param $editToken String: edit token
+ * @return null on success or string on error
+ */
+ public static function getPermissionsError( $user, $editToken ) {
+ global $wgEnableEmail, $wgEnableUserEmail;
+ if( !$wgEnableEmail || !$wgEnableUserEmail ) {
+ return 'usermaildisabled';
+ }
+
+ if( !$user->isAllowed( 'sendemail' ) ) {
+ return 'badaccess';
+ }
+
+ if( !$user->isEmailConfirmed() ) {
+ return 'mailnologin';
+ }
- $wgOut->setPagetitle( wfMsg( "emailpage" ) );
- $wgOut->addWikiMsg( "emailpagetext" );
+ if( $user->isBlockedFromEmailuser() ) {
+ wfDebug( "User is blocked from sending e-mail.\n" );
+ return "blockedemailuser";
+ }
- if ( $this->subject === "" ) {
- $this->subject = wfMsgExt( 'defemailsubject', array( 'content', 'parsemag' ) );
+ if( $user->pingLimiter( 'emailuser' ) ) {
+ wfDebug( "Ping limiter triggered.\n" );
+ return 'actionthrottledtext';
}
- $emf = wfMsg( "emailfrom" );
- $senderLink = $skin->makeLinkObj(
- $wgUser->getUserPage(), htmlspecialchars( $wgUser->getName() ) );
- $emt = wfMsg( "emailto" );
- $recipientLink = $skin->makeLinkObj(
- $this->target->getUserPage(), htmlspecialchars( $this->target->getName() ) );
- $emr = wfMsg( "emailsubject" );
- $emm = wfMsg( "emailmessage" );
- $ems = wfMsg( "emailsend" );
- $emc = wfMsg( "emailccme" );
- $encSubject = htmlspecialchars( $this->subject );
+ $hookErr = false;
+ wfRunHooks( 'UserCanSendEmail', array( &$user, &$hookErr ) );
+ wfRunHooks( 'EmailUserPermissionsErrors', array( $user, $editToken, &$hookErr ) );
+ if ( $hookErr ) {
+ return $hookErr;
+ }
- $titleObj = SpecialPage::getTitleFor( "Emailuser" );
- $action = $titleObj->escapeLocalURL( "target=" .
- urlencode( $this->target->getName() ) . "&action=submit" );
- $token = htmlspecialchars( $wgUser->editToken() );
+ return null;
+ }
- $wgOut->addHTML( "
-<form id=\"emailuser\" method=\"post\" action=\"{$action}\">
-<table border='0' id='mailheader'><tr>
-<td align='right'>{$emf}:</td>
-<td align='left'><strong>{$senderLink}</strong></td>
-</tr><tr>
-<td align='right'>{$emt}:</td>
-<td align='left'><strong>{$recipientLink}</strong></td>
-</tr><tr>
-<td align='right'>{$emr}:</td>
-<td align='left'>
-<input type='text' size='60' maxlength='200' name=\"wpSubject\" value=\"{$encSubject}\" />
-</td>
-</tr>
-</table>
-<span id='wpTextLabel'><label for=\"wpText\">{$emm}:</label><br /></span>
-<textarea id=\"wpText\" name=\"wpText\" rows='20' cols='80' style=\"width: 100%;\">" . htmlspecialchars( $this->text ) .
-"</textarea>
-" . wfCheckLabel( $emc, 'wpCCMe', 'wpCCMe', $wgUser->getBoolOption( 'ccmeonemails' ) ) . "<br />
-<input type='submit' name=\"wpSend\" value=\"{$ems}\" />
-<input type='hidden' name='wpEditToken' value=\"$token\" />
-</form>\n" );
+ /**
+ * Form to ask for target user name.
+ *
+ * @param $name String: user name submitted.
+ * @return String: form asking for user name.
+ */
+ function userForm( $name ) {
+ global $wgScript ;
+ $string = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'id' => 'askusername' ) ) .
+ Html::hidden( 'title', $this->getTitle()->getPrefixedText() ) .
+ Xml::openElement( 'fieldset' ) .
+ Html::rawElement( 'legend', null, wfMessage( 'emailtarget' )->parse() ) .
+ Xml::inputLabel( wfMessage( 'emailusername' )->text(), 'target', 'emailusertarget', 30, $name ) . ' ' .
+ Xml::submitButton( wfMessage( 'emailusernamesubmit' )->text() ) .
+ Xml::closeElement( 'fieldset' ) .
+ Xml::closeElement( 'form' ) . "\n";
+ return $string;
}
- /*
- * 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.
+ /**
+ * Really send a mail. Permissions should have been checked using
+ * getPermissionsError(). It is probably also a good
+ * idea to check the edit token and ping limiter in advance.
+ *
+ * @return Mixed: Status object, or potentially a String on error
+ * or maybe even true on success if anything uses the EmailUser hook.
*/
- function doSubmit() {
- global $wgUser, $wgUserEmailUseReplyTo, $wgSiteName;
+ public static function submit( $data ) {
+ global $wgUser, $wgUserEmailUseReplyTo;
- $to = new MailAddress( $this->target );
+ $target = self::getTarget( $data['Target'] );
+ if( !$target instanceof User ) {
+ return wfMsgExt( $target . 'text', 'parse' );
+ }
+ $to = new MailAddress( $target );
$from = new MailAddress( $wgUser );
- $subject = $this->subject;
+ $subject = $data['Subject'];
+ $text = $data['Text'];
// 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 );
+ $text = rtrim( $text ) . "\n\n-- \n";
+ $text .= wfMsgExt(
+ 'emailuserfooter',
+ array( 'content', 'parsemag' ),
+ array( $from->name, $to->name )
+ );
- 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;
- }
+ $error = '';
+ if( !wfRunHooks( 'EmailUser', array( &$to, &$from, &$subject, &$text, &$error ) ) ) {
+ return $error;
}
- }
- function showSuccess( &$user = null ) {
- global $wgOut;
-
- if ( is_null($user) )
- $user = $this->target;
+ 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, $wgPasswordSenderName;
+ $mailFrom = new MailAddress( $wgPasswordSender, $wgPasswordSenderName );
+ $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;
+ }
- $wgOut->setPagetitle( wfMsg( "emailsent" ) );
- $wgOut->addHTML( wfMsg( "emailsenttext" ) );
+ $status = UserMailer::send( $to, $mailFrom, $subject, $text, $replyTo );
- $wgOut->returnToMain( false, $user->getUserPage() );
- }
-
- function getTarget() {
- return $this->target;
- }
-
- static function validateEmailTarget ( $target ) {
- global $wgEnableEmail, $wgEnableUserEmail;
+ if( !$status->isGood() ) {
+ return $status;
+ } 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 ( $data['CCMe'] && $to != $from ) {
+ $cc_subject = wfMsg(
+ 'emailccsubject',
+ $target->getName(),
+ $subject
+ );
+ wfRunHooks( 'EmailUserCC', array( &$from, &$from, &$cc_subject, &$text ) );
+ $ccStatus = UserMailer::send( $from, $from, $cc_subject, $text );
+ $status->merge( $ccStatus );
+ }
- if( !( $wgEnableEmail && $wgEnableUserEmail ) )
- return array( "nosuchspecialpage", "nospecialpagetext" );
-
- if ( "" == $target ) {
- wfDebug( "Target is empty.\n" );
- return array( "notargettitle", "notargettext" );
- }
-
- $nt = Title::newFromURL( $target );
- if ( is_null( $nt ) ) {
- wfDebug( "Target is invalid title.\n" );
- return array( "notargettitle", "notargettext" );
- }
-
- $nu = User::newFromName( $nt->getText() );
- if( is_null( $nu ) || !$nu->canReceiveEmail() ) {
- wfDebug( "Target is invalid user or can't receive.\n" );
- return array( "noemailtitle", "noemailtext" );
- }
-
- return $nu;
- }
- static function getPermissionsError ( $user, $editToken ) {
- if( !$user->canSendEmail() ) {
- wfDebug( "User can't send.\n" );
- return array( "mailnologin", "mailnologintext" );
- }
-
- if( $user->isBlockedFromEmailuser() ) {
- wfDebug( "User is blocked from sending e-mail.\n" );
- return array( "blockedemailuser", "" );
+ wfRunHooks( 'EmailUserComplete', array( $to, $from, $subject, $text ) );
+ return $status;
}
-
- if( $user->pingLimiter( 'emailuser' ) ) {
- wfDebug( "Ping limiter triggered.\n" );
- return array( 'actionthrottledtext', '' );
- }
-
- if( !$user->matchEditToken( $editToken ) ) {
- wfDebug( "Matching edit token failed.\n" );
- return array( '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 );
}
}