324 lines
9.6 KiB
PHP
324 lines
9.6 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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/**
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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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public function __construct() {
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parent::__construct( 'Emailuser' );
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}
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protected function getFormFields() {
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global $wgUser;
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return array(
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'From' => array(
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'type' => 'info',
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'raw' => 1,
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'default' => $wgUser->getSkin()->link(
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$wgUser->getUserPage(),
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htmlspecialchars( $wgUser->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' => array(
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'type' => 'info',
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'raw' => 1,
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'default' => $wgUser->getSkin()->link(
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$this->mTargetObj->getUserPage(),
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htmlspecialchars( $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' => array(
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'type' => 'hidden',
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'default' => $this->mTargetObj->getName(),
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),
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'Subject' => array(
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'type' => 'text',
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'default' => wfMsgExt( 'defemailsubject', array( 'content', 'parsemag' ) ),
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'label-message' => 'emailsubject',
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'maxlength' => 200,
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'size' => 60,
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'required' => 1,
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),
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'Text' => array(
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'type' => 'textarea',
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'rows' => 20,
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'cols' => 80,
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'label-message' => 'emailmessage',
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'required' => 1,
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),
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'CCMe' => array(
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'type' => 'check',
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'label-message' => 'emailccme',
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'default' => $wgUser->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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global $wgRequest, $wgOut, $wgUser;
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$this->setHeaders();
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$this->outputHeader();
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$wgOut->addModuleStyles( 'mediawiki.special' );
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$this->mTarget = is_null( $par )
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? $wgRequest->getVal( 'wpTarget', $wgRequest->getVal( 'target', '' ) )
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: $par;
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// error out if sending user cannot do this
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$error = self::getPermissionsError( $wgUser, $wgRequest->getVal( 'wpEditToken' ) );
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switch ( $error ) {
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case null:
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# Wahey!
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break;
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case 'badaccess':
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$wgOut->permissionRequired( 'sendemail' );
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return;
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case 'blockedemailuser':
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$wgOut->blockedPage();
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return;
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case 'actionthrottledtext':
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$wgOut->rateLimited();
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return;
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case 'mailnologin':
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case 'usermaildisabled':
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$wgOut->showErrorPage( $error, "{$error}text" );
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return;
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default:
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# It's a hook error
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list( $title, $msg, $params ) = $error;
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$wgOut->showErrorPage( $title, $msg, $params );
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return;
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}
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// Got a valid target user name? Else ask for one.
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$ret = self::getTarget( $this->mTarget );
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if( !$ret instanceof User ) {
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if( $this->mTarget != '' ) {
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$ret = ( $ret == 'notarget' ) ? 'emailnotarget' : ( $ret . 'text' );
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$wgOut->addHTML( '<p class="error">' . wfMessage( $ret )->parse() . '</p>' );
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}
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$wgOut->addHTML( self::userForm( $this->mTarget ) );
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return false;
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}
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$this->mTargetObj = $ret;
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$form = new HTMLForm( $this->getFormFields() );
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$form->addPreText( wfMsgExt( 'emailpagetext', 'parseinline' ) );
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$form->setSubmitText( wfMsg( 'emailsend' ) );
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$form->setTitle( $this->getTitle() );
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$form->setSubmitCallback( array( __CLASS__, 'submit' ) );
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$form->setWrapperLegend( wfMsgExt( 'email-legend', 'parsemag' ) );
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$form->loadData();
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if( !wfRunHooks( 'EmailUserForm', array( &$form ) ) ) {
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return false;
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}
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$wgOut->setPageTitle( wfMsg( 'emailpage' ) );
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$result = $form->show();
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if( $result === true || ( $result instanceof Status && $result->isGood() ) ) {
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$wgOut->setPageTitle( wfMsg( 'emailsent' ) );
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$wgOut->addWikiMsg( 'emailsenttext' );
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$wgOut->returnToMain( false, $this->mTargetObj->getUserPage() );
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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 $target String: target user name
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* @return User object on success or a string on error
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*/
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public static function getTarget( $target ) {
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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( $target );
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if( !$nu instanceof User || !$nu->getId() ) {
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wfDebug( "Target is invalid user.\n" );
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return 'notarget';
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} elseif ( !$nu->isEmailConfirmed() ) {
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wfDebug( "User has no valid email.\n" );
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return 'noemail';
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} elseif ( !$nu->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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return $nu;
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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 object
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* @param $editToken String: edit token
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* @return null on success or string on error
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*/
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public static function getPermissionsError( $user, $editToken ) {
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global $wgEnableEmail, $wgEnableUserEmail;
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if( !$wgEnableEmail || !$wgEnableUserEmail ) {
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return 'usermaildisabled';
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}
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if( !$user->isAllowed( 'sendemail' ) ) {
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return 'badaccess';
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}
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if( !$user->isEmailConfirmed() ) {
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return 'mailnologin';
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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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if( $user->pingLimiter( 'emailuser' ) ) {
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wfDebug( "Ping limiter triggered.\n" );
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return 'actionthrottledtext';
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}
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$hookErr = false;
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wfRunHooks( 'UserCanSendEmail', array( &$user, &$hookErr ) );
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wfRunHooks( 'EmailUserPermissionsErrors', array( $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 $name String: user name submitted.
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* @return String: form asking for user name.
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*/
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static function userForm( $name ) {
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$string = Xml::openElement( 'form', array( 'method' => 'get', 'action' => '', 'id' => 'askusername' ) ) .
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Xml::openElement( 'fieldset' ) .
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Html::rawElement( 'legend', null, wfMessage( 'emailtarget' )->parse() ) .
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Xml::inputLabel( wfMessage( 'emailusername' )->text(), 'target', 'emailusertarget', 30, $name ) . ' ' .
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Xml::submitButton( wfMessage( 'emailusernamesubmit' )->text() ) .
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Xml::closeElement( 'fieldset' ) .
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Xml::closeElement( 'form' ) . "\n";
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return $string;
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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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* @return Mixed: Status object, or potentially a String on error
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* or maybe even true on success if anything uses the EmailUser hook.
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*/
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public static function submit( $data ) {
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global $wgUser, $wgUserEmailUseReplyTo;
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$target = self::getTarget( $data['Target'] );
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if( !$target instanceof User ) {
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return wfMsgExt( $target . 'text', 'parse' );
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}
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$to = new MailAddress( $target );
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$from = new MailAddress( $wgUser );
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$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 .= wfMsgExt(
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'emailuserfooter',
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array( 'content', 'parsemag' ),
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array( $from->name, $to->name )
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);
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$error = '';
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if( !wfRunHooks( 'EmailUser', array( &$to, &$from, &$subject, &$text, &$error ) ) ) {
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return $error;
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}
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if( $wgUserEmailUseReplyTo ) {
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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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global $wgPasswordSender, $wgPasswordSenderName;
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$mailFrom = new MailAddress( $wgPasswordSender, $wgPasswordSenderName );
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$replyTo = $from;
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} else {
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// Put the sending user's e-mail address in the From: header.
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//
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// This is clean-looking and convenient, but has issues.
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// One is that it doesn't as clearly differentiate the wiki mail
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// from "directly" sent mails.
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//
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// Another is that some mailers (like sSMTP) will use the From
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// address as the envelope sender as well. For open sites this
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// can cause mails to be flunked for SPF violations (since the
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// wiki server isn't an authorized sender for various users'
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// domains) as well as creating a privacy issue as bounces
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// containing the recipient's e-mail address may get sent to
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// the sending user.
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$mailFrom = $from;
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$replyTo = null;
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}
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$status = UserMailer::send( $to, $mailFrom, $subject, $text, $replyTo );
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if( !$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 != $from ) {
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$cc_subject = wfMsg(
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'emailccsubject',
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$target->getName(),
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$subject
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);
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wfRunHooks( 'EmailUserCC', array( &$from, &$from, &$cc_subject, &$text ) );
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$ccStatus = UserMailer::send( $from, $from, $cc_subject, $text );
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$status->merge( $ccStatus );
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}
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wfRunHooks( 'EmailUserComplete', array( $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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