includes/specials/SpecialCreateAccount.php

   1 <?php
   2 /**
   3  * Implements Special:CreateAccount
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 use MediaWiki\Auth\AuthManager;
  25 use MediaWiki\Logger\LoggerFactory;
  26
  27 /**
  28  * Implements Special:CreateAccount
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class SpecialCreateAccount extends LoginSignupSpecialPage {
  33         protected static $allowedActions = [
  34                 AuthManager::ACTION_CREATE,
  35                 AuthManager::ACTION_CREATE_CONTINUE
  36         ];
  37
  38         protected static $messages = [
  39                 'authform-newtoken' => 'nocookiesfornew',
  40                 'authform-notoken' => 'sessionfailure',
  41                 'authform-wrongtoken' => 'sessionfailure',
  42         ];
  43
  44         public function __construct() {
  45                 parent::__construct( 'CreateAccount' );
  46         }
  47
  48         public function doesWrites() {
  49                 return true;
  50         }
  51
  52         public function isRestricted() {
  53                 return !User::groupHasPermission( '*', 'createaccount' );
  54         }
  55
  56         public function userCanExecute( User $user ) {
  57                 return $user->isAllowed( 'createaccount' );
  58         }
  59
  60         public function checkPermissions() {
  61                 parent::checkPermissions();
  62
  63                 $user = $this->getUser();
  64                 $status = AuthManager::singleton()->checkAccountCreatePermissions( $user );
  65                 if ( !$status->isGood() ) {
  66                         // track block with a cookie if it doesn't exists already
  67                         if ( $user->isBlockedFromCreateAccount() ) {
  68                                 $user->trackBlockWithCookie();
  69                         }
  70                         throw new ErrorPageError( 'createacct-error', $status->getMessage() );
  71                 }
  72         }
  73
  74         protected function getLoginSecurityLevel() {
  75                 return false;
  76         }
  77
  78         protected function getDefaultAction( $subPage ) {
  79                 return AuthManager::ACTION_CREATE;
  80         }
  81
  82         public function getDescription() {
  83                 return $this->msg( 'createaccount' )->text();
  84         }
  85
  86         protected function isSignup() {
  87                 return true;
  88         }
  89
  90         /**
  91          * Run any hooks registered for logins, then display a message welcoming
  92          * the user.
  93          * @param bool $direct True if the action was successful just now; false if that happened
  94          *    pre-redirection (so this handler was called already)
  95          * @param StatusValue|null $extraMessages
  96          */
  97         protected function successfulAction( $direct = false, $extraMessages = null ) {
  98                 $session = $this->getRequest()->getSession();
  99                 $user = $this->targetUser ?: $this->getUser();
 100
 101                 if ( $direct ) {
 102                         # Only save preferences if the user is not creating an account for someone else.
 103                         if ( !$this->proxyAccountCreation ) {
 104                                 Hooks::run( 'AddNewAccount', [ $user, false ] );
 105
 106                                 // If the user does not have a session cookie at this point, they probably need to
 107                                 // do something to their browser.
 108                                 if ( !$this->hasSessionCookie() ) {
 109                                         $this->mainLoginForm( [ /*?*/ ], $session->getProvider()->whyNoSession() );
 110                                         // TODO something more specific? This used to use nocookiesnew
 111                                         // FIXME should redirect to login page instead?
 112                                         return;
 113                                 }
 114                         } else {
 115                                 $byEmail = false; // FIXME no way to set this
 116
 117                                 Hooks::run( 'AddNewAccount', [ $user, $byEmail ] );
 118
 119                                 $out = $this->getOutput();
 120                                 $out->setPageTitle( $this->msg( $byEmail ? 'accmailtitle' : 'accountcreated' ) );
 121                                 if ( $byEmail ) {
 122                                         $out->addWikiMsg( 'accmailtext', $user->getName(), $user->getEmail() );
 123                                 } else {
 124                                         $out->addWikiMsg( 'accountcreatedtext', $user->getName() );
 125                                 }
 126
 127                                 $rt = Title::newFromText( $this->mReturnTo );
 128                                 $out->addReturnTo(
 129                                         ( $rt && !$rt->isExternal() ) ? $rt : $this->getPageTitle(),
 130                                         wfCgiToArray( $this->mReturnToQuery )
 131                                 );
 132                                 return;
 133                         }
 134                 }
 135
 136                 $this->clearToken();
 137
 138                 # Run any hooks; display injected HTML
 139                 $injected_html = '';
 140                 $welcome_creation_msg = 'welcomecreation-msg';
 141                 Hooks::run( 'UserLoginComplete', [ &$user, &$injected_html, $direct ] );
 142
 143                 /**
 144                  * Let any extensions change what message is shown.
 145                  * @see https://www.mediawiki.org/wiki/Manual:Hooks/BeforeWelcomeCreation
 146                  * @since 1.18
 147                  */
 148                 Hooks::run( 'BeforeWelcomeCreation', [ &$welcome_creation_msg, &$injected_html ] );
 149
 150                 $this->showSuccessPage( 'signup', $this->msg( 'welcomeuser', $this->getUser()->getName() ),
 151                         $welcome_creation_msg, $injected_html, $extraMessages );
 152         }
 153
 154         protected function getToken() {
 155                 return $this->getRequest()->getSession()->getToken( '', 'createaccount' );
 156         }
 157
 158         protected function clearToken() {
 159                 return $this->getRequest()->getSession()->resetToken( 'createaccount' );
 160         }
 161
 162         protected function getTokenName() {
 163                 return 'wpCreateaccountToken';
 164         }
 165
 166         protected function getGroupName() {
 167                 return 'login';
 168         }
 169
 170         protected function logAuthResult( $success, $status = null ) {
 171                 LoggerFactory::getInstance( 'authevents' )->info( 'Account creation attempt', [
 172                         'event' => 'accountcreation',
 173                         'successful' => $success,
 174                         'status' => $status,
 175                 ] );
 176         }
 177 }