533 lines
16 KiB
PHP
533 lines
16 KiB
PHP
<?php
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/**
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* Implements Special:Emailuser
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup SpecialPage
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*/
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Preferences\MultiUsernameFilter;
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/**
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* A special page that allows users to send e-mails to other users
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*
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* @ingroup SpecialPage
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*/
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class SpecialEmailUser extends UnlistedSpecialPage {
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protected $mTarget;
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/**
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* @var User|string $mTargetObj
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*/
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protected $mTargetObj;
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public function __construct() {
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parent::__construct( 'Emailuser' );
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}
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public function doesWrites() {
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return true;
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}
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public function getDescription() {
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$target = self::getTarget( $this->mTarget, $this->getUser() );
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if ( !$target instanceof User ) {
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return $this->msg( 'emailuser-title-notarget' )->text();
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}
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return $this->msg( 'emailuser-title-target', $target->getName() )->text();
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}
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protected function getFormFields() {
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$linkRenderer = $this->getLinkRenderer();
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return [
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'From' => [
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'type' => 'info',
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'raw' => 1,
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'default' => $linkRenderer->makeLink(
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$this->getUser()->getUserPage(),
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$this->getUser()->getName()
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),
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'label-message' => 'emailfrom',
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'id' => 'mw-emailuser-sender',
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],
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'To' => [
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'type' => 'info',
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'raw' => 1,
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'default' => $linkRenderer->makeLink(
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$this->mTargetObj->getUserPage(),
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$this->mTargetObj->getName()
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),
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'label-message' => 'emailto',
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'id' => 'mw-emailuser-recipient',
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],
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'Target' => [
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'type' => 'hidden',
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'default' => $this->mTargetObj->getName(),
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],
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'Subject' => [
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'type' => 'text',
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'default' => $this->msg( 'defemailsubject',
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$this->getUser()->getName() )->inContentLanguage()->text(),
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'label-message' => 'emailsubject',
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'maxlength' => 200,
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'size' => 60,
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'required' => true,
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],
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'Text' => [
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'type' => 'textarea',
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'rows' => 20,
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'label-message' => 'emailmessage',
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'required' => true,
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],
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'CCMe' => [
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'type' => 'check',
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'label-message' => 'emailccme',
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'default' => $this->getUser()->getBoolOption( 'ccmeonemails' ),
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],
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];
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}
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public function execute( $par ) {
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$out = $this->getOutput();
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$request = $this->getRequest();
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$out->addModuleStyles( 'mediawiki.special' );
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$this->mTarget = $par ?? $request->getVal( 'wpTarget', $request->getVal( 'target', '' ) );
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// Make sure, that HTMLForm uses the correct target.
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$request->setVal( 'wpTarget', $this->mTarget );
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// This needs to be below assignment of $this->mTarget because
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// getDescription() needs it to determine the correct page title.
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$this->setHeaders();
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$this->outputHeader();
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// error out if sending user cannot do this
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$error = self::getPermissionsError(
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$this->getUser(),
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$this->getRequest()->getVal( 'wpEditToken' ),
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$this->getConfig()
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);
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switch ( $error ) {
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case null:
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# Wahey!
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break;
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case 'badaccess':
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throw new PermissionsError( 'sendemail' );
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case 'blockedemailuser':
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throw $this->getBlockedEmailError();
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case 'actionthrottledtext':
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throw new ThrottledError;
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case 'mailnologin':
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case 'usermaildisabled':
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throw new ErrorPageError( $error, "{$error}text" );
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default:
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# It's a hook error
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list( $title, $msg, $params ) = $error;
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throw new ErrorPageError( $title, $msg, $params );
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}
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// Make sure, that a submitted form isn't submitted to a subpage (which could be
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// a non-existing username)
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$context = new DerivativeContext( $this->getContext() );
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$context->setTitle( $this->getPageTitle() ); // Remove subpage
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$this->setContext( $context );
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// A little hack: HTMLForm will check $this->mTarget only, if the form was posted, not
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// if the user opens Special:EmailUser/Florian (e.g.). So check, if the user did that
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// and show the "Send email to user" form directly, if so. Show the "enter username"
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// form, otherwise.
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$this->mTargetObj = self::getTarget( $this->mTarget, $this->getUser() );
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if ( !$this->mTargetObj instanceof User ) {
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$this->userForm( $this->mTarget );
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} else {
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$this->sendEmailForm();
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}
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}
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/**
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* Validate target User
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*
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* @param string $target Target user name
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* @param User|null $sender User sending the email
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* @return User|string User object on success or a string on error
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*/
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public static function getTarget( $target, User $sender = null ) {
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if ( $sender === null ) {
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wfDeprecated( __METHOD__ . ' without specifying the sending user', '1.30' );
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}
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if ( $target == '' ) {
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wfDebug( "Target is empty.\n" );
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return 'notarget';
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}
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$nu = User::newFromName( $target );
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$error = self::validateTarget( $nu, $sender );
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return $error ?: $nu;
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}
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/**
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* Validate target User
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*
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* @param User $target Target user
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* @param User|null $sender User sending the email
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* @return string Error message or empty string if valid.
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* @since 1.30
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*/
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public static function validateTarget( $target, User $sender = null ) {
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if ( $sender === null ) {
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wfDeprecated( __METHOD__ . ' without specifying the sending user', '1.30' );
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}
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if ( !$target instanceof User || !$target->getId() ) {
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wfDebug( "Target is invalid user.\n" );
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return 'notarget';
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}
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if ( !$target->isEmailConfirmed() ) {
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wfDebug( "User has no valid email.\n" );
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return 'noemail';
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}
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if ( !$target->canReceiveEmail() ) {
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wfDebug( "User does not allow user emails.\n" );
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return 'nowikiemail';
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}
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if ( $sender !== null && !$target->getOption( 'email-allow-new-users' ) &&
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$sender->isNewbie()
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) {
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wfDebug( "User does not allow user emails from new users.\n" );
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return 'nowikiemail';
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}
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if ( $sender !== null ) {
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$blacklist = $target->getOption( 'email-blacklist', '' );
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if ( $blacklist ) {
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$blacklist = MultiUsernameFilter::splitIds( $blacklist );
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$lookup = CentralIdLookup::factory();
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$senderId = $lookup->centralIdFromLocalUser( $sender );
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if ( $senderId !== 0 && in_array( $senderId, $blacklist ) ) {
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wfDebug( "User does not allow user emails from this user.\n" );
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return 'nowikiemail';
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}
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}
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}
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return '';
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}
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/**
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* Check whether a user is allowed to send email
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*
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* @param User $user
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* @param string $editToken Edit token
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* @param Config|null $config optional for backwards compatibility
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* @return null|string|array Null on success, string on error, or array on
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* hook error
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*/
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public static function getPermissionsError( $user, $editToken, Config $config = null ) {
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if ( $config === null ) {
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wfDebug( __METHOD__ . ' called without a Config instance passed to it' );
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$config = MediaWikiServices::getInstance()->getMainConfig();
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}
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if ( !$config->get( 'EnableEmail' ) || !$config->get( 'EnableUserEmail' ) ) {
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return 'usermaildisabled';
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}
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// Run this before $user->isAllowed, to show appropriate message to anons (T160309)
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if ( !$user->isEmailConfirmed() ) {
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return 'mailnologin';
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}
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if ( !$user->isAllowed( 'sendemail' ) ) {
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return 'badaccess';
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}
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if ( $user->isBlockedFromEmailuser() ) {
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wfDebug( "User is blocked from sending e-mail.\n" );
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return "blockedemailuser";
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}
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// Check the ping limiter without incrementing it - we'll check it
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// again later and increment it on a successful send
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if ( $user->pingLimiter( 'emailuser', 0 ) ) {
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wfDebug( "Ping limiter triggered.\n" );
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return 'actionthrottledtext';
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}
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$hookErr = false;
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Hooks::run( 'UserCanSendEmail', [ &$user, &$hookErr ] );
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Hooks::run( 'EmailUserPermissionsErrors', [ $user, $editToken, &$hookErr ] );
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if ( $hookErr ) {
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return $hookErr;
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}
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return null;
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}
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/**
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* Form to ask for target user name.
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*
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* @param string $name User name submitted.
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*/
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protected function userForm( $name ) {
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$htmlForm = HTMLForm::factory( 'ooui', [
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'Target' => [
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'type' => 'user',
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'exists' => true,
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'label' => $this->msg( 'emailusername' )->text(),
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'id' => 'emailusertarget',
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'autofocus' => true,
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'value' => $name,
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]
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], $this->getContext() );
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$htmlForm
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->setMethod( 'post' )
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->setSubmitCallback( [ $this, 'sendEmailForm' ] )
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->setFormIdentifier( 'userForm' )
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->setId( 'askusername' )
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->setWrapperLegendMsg( 'emailtarget' )
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->setSubmitTextMsg( 'emailusernamesubmit' )
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->show();
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}
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public function sendEmailForm() {
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$out = $this->getOutput();
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$ret = $this->mTargetObj;
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if ( !$ret instanceof User ) {
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if ( $this->mTarget != '' ) {
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// Messages used here: notargettext, noemailtext, nowikiemailtext
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$ret = ( $ret == 'notarget' ) ? 'emailnotarget' : ( $ret . 'text' );
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return Status::newFatal( $ret );
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}
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return false;
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}
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$htmlForm = HTMLForm::factory( 'ooui', $this->getFormFields(), $this->getContext() );
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// By now we are supposed to be sure that $this->mTarget is a user name
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$htmlForm
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->addPreText( $this->msg( 'emailpagetext', $this->mTarget )->parse() )
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->setSubmitTextMsg( 'emailsend' )
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->setSubmitCallback( [ __CLASS__, 'submit' ] )
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->setFormIdentifier( 'sendEmailForm' )
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->setWrapperLegendMsg( 'email-legend' )
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->loadData();
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if ( !Hooks::run( 'EmailUserForm', [ &$htmlForm ] ) ) {
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return false;
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}
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$result = $htmlForm->show();
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if ( $result === true || ( $result instanceof Status && $result->isGood() ) ) {
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$out->setPageTitle( $this->msg( 'emailsent' ) );
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$out->addWikiMsg( 'emailsenttext', $this->mTarget );
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$out->returnToMain( false, $ret->getUserPage() );
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}
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return true;
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}
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/**
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* Really send a mail. Permissions should have been checked using
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* getPermissionsError(). It is probably also a good
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* idea to check the edit token and ping limiter in advance.
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*
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* @param array $data
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* @param IContextSource $context
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* @return Status|bool
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*/
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public static function submit( array $data, IContextSource $context ) {
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$config = $context->getConfig();
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$target = self::getTarget( $data['Target'], $context->getUser() );
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if ( !$target instanceof User ) {
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// Messages used here: notargettext, noemailtext, nowikiemailtext
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return Status::newFatal( $target . 'text' );
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}
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$to = MailAddress::newFromUser( $target );
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$from = MailAddress::newFromUser( $context->getUser() );
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$subject = $data['Subject'];
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$text = $data['Text'];
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// Add a standard footer and trim up trailing newlines
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$text = rtrim( $text ) . "\n\n-- \n";
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$text .= $context->msg( 'emailuserfooter',
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$from->name, $to->name )->inContentLanguage()->text();
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// Check and increment the rate limits
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if ( $context->getUser()->pingLimiter( 'emailuser' ) ) {
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throw new ThrottledError();
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}
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$error = false;
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if ( !Hooks::run( 'EmailUser', [ &$to, &$from, &$subject, &$text, &$error ] ) ) {
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if ( $error instanceof Status ) {
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return $error;
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} elseif ( $error === false || $error === '' || $error === [] ) {
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// Possibly to tell HTMLForm to pretend there was no submission?
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return false;
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} elseif ( $error === true ) {
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// Hook sent the mail itself and indicates success?
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return Status::newGood();
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} elseif ( is_array( $error ) ) {
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$status = Status::newGood();
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foreach ( $error as $e ) {
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$status->fatal( $e );
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}
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return $status;
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} elseif ( $error instanceof MessageSpecifier ) {
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return Status::newFatal( $error );
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} else {
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// Ugh. Either a raw HTML string, or something that's supposed
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// to be treated like one.
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$type = is_object( $error ) ? get_class( $error ) : gettype( $error );
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wfDeprecated( "EmailUser hook returning a $type as \$error", '1.29' );
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return Status::newFatal( new ApiRawMessage(
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[ '$1', Message::rawParam( (string)$error ) ], 'hookaborted'
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) );
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}
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}
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if ( $config->get( 'UserEmailUseReplyTo' ) ) {
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/**
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* Put the generic wiki autogenerated address in the From:
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* header and reserve the user for Reply-To.
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*
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* This is a bit ugly, but will serve to differentiate
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* wiki-borne mails from direct mails and protects against
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* SPF and bounce problems with some mailers (see below).
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*/
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$mailFrom = new MailAddress( $config->get( 'PasswordSender' ),
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$context->msg( 'emailsender' )->inContentLanguage()->text() );
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$replyTo = $from;
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} else {
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/**
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* Put the sending user's e-mail address in the From: header.
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*
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* This is clean-looking and convenient, but has issues.
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* One is that it doesn't as clearly differentiate the wiki mail
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* from "directly" sent mails.
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*
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* Another is that some mailers (like sSMTP) will use the From
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* address as the envelope sender as well. For open sites this
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* can cause mails to be flunked for SPF violations (since the
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* wiki server isn't an authorized sender for various users'
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* domains) as well as creating a privacy issue as bounces
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* containing the recipient's e-mail address may get sent to
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* the sending user.
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*/
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$mailFrom = $from;
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$replyTo = null;
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}
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$status = UserMailer::send( $to, $mailFrom, $subject, $text, [
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'replyTo' => $replyTo,
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] );
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if ( !$status->isGood() ) {
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return $status;
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} else {
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// if the user requested a copy of this mail, do this now,
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// unless they are emailing themselves, in which case one
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// copy of the message is sufficient.
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if ( $data['CCMe'] && $to != $from ) {
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$ccTo = $from;
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$ccFrom = $from;
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$ccSubject = $context->msg( 'emailccsubject' )->plaintextParams(
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$target->getName(), $subject )->text();
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$ccText = $text;
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Hooks::run( 'EmailUserCC', [ &$ccTo, &$ccFrom, &$ccSubject, &$ccText ] );
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if ( $config->get( 'UserEmailUseReplyTo' ) ) {
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$mailFrom = new MailAddress(
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$config->get( 'PasswordSender' ),
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$context->msg( 'emailsender' )->inContentLanguage()->text()
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);
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$replyTo = $ccFrom;
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} else {
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$mailFrom = $ccFrom;
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$replyTo = null;
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}
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$ccStatus = UserMailer::send(
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$ccTo, $mailFrom, $ccSubject, $ccText, [
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'replyTo' => $replyTo,
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] );
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$status->merge( $ccStatus );
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}
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Hooks::run( 'EmailUserComplete', [ $to, $from, $subject, $text ] );
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return $status;
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}
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}
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/**
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* Return an array of subpages beginning with $search that this special page will accept.
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*
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* @param string $search Prefix to search for
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* @param int $limit Maximum number of results to return (usually 10)
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* @param int $offset Number of results to skip (usually 0)
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* @return string[] Matching subpages
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*/
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public function prefixSearchSubpages( $search, $limit, $offset ) {
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$user = User::newFromName( $search );
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if ( !$user ) {
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// No prefix suggestion for invalid user
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return [];
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}
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// Autocomplete subpage as user list - public to allow caching
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return UserNamePrefixSearch::search( 'public', $search, $limit, $offset );
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}
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protected function getGroupName() {
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return 'users';
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}
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/**
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* Builds an error message based on the block params
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*
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* @return ErrorPageError
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*/
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private function getBlockedEmailError() {
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$block = $this->getUser()->mBlock;
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$params = $block->getBlockErrorParams( $this->getContext() );
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|
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$msg = $block->isSitewide() ? 'blockedtext' : 'blocked-email-user';
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return new ErrorPageError( 'blockedtitle', $msg, $params );
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|
}
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|
}
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