includes/specials/SpecialChangeCredentials.php

   1 <?php
   2
   3 use MediaWiki\Auth\AuthenticationRequest;
   4 use MediaWiki\Auth\AuthenticationResponse;
   5 use MediaWiki\Auth\AuthManager;
   6 use MediaWiki\Session\SessionManager;
   7
   8 /**
   9  * Special change to change credentials (such as the password).
  10  *
  11  * Also does most of the work for SpecialRemoveCredentials.
  12  */
  13 class SpecialChangeCredentials extends AuthManagerSpecialPage {
  14         protected static $allowedActions = [ AuthManager::ACTION_CHANGE ];
  15
  16         protected static $messagePrefix = 'changecredentials';
  17
  18         /** Change action needs user data; remove action does not */
  19         protected static $loadUserData = true;
  20
  21         public function __construct( $name = 'ChangeCredentials' ) {
  22                 parent::__construct( $name, 'editmyprivateinfo' );
  23         }
  24
  25         protected function getGroupName() {
  26                 return 'users';
  27         }
  28
  29         public function isListed() {
  30                 $this->loadAuth( '' );
  31                 return (bool)$this->authRequests;
  32         }
  33
  34         public function doesWrites() {
  35                 return true;
  36         }
  37
  38         protected function getDefaultAction( $subPage ) {
  39                 return AuthManager::ACTION_CHANGE;
  40         }
  41
  42         protected function getPreservedParams( $withToken = false ) {
  43                 $request = $this->getRequest();
  44                 $params = parent::getPreservedParams( $withToken );
  45                 $params += [
  46                         'returnto' => $request->getVal( 'returnto' ),
  47                         'returntoquery' => $request->getVal( 'returntoquery' ),
  48                 ];
  49                 return $params;
  50         }
  51
  52         public function onAuthChangeFormFields(
  53                 array $requests, array $fieldInfo, array &$formDescriptor, $action
  54         ) {
  55                 // This method is never called for remove actions.
  56
  57                 $extraFields = [];
  58                 Hooks::run( 'ChangePasswordForm', [ &$extraFields ], '1.27' );
  59                 foreach ( $extraFields as $extra ) {
  60                         list( $name, $label, $type, $default ) = $extra;
  61                         $formDescriptor[$name] = [
  62                                 'type' => $type,
  63                                 'name' => $name,
  64                                 'label-message' => $label,
  65                                 'default' => $default,
  66                         ];
  67
  68                 }
  69
  70                 return parent::onAuthChangeFormFields( $requests, $fieldInfo, $formDescriptor, $action );
  71         }
  72
  73         public function execute( $subPage ) {
  74                 $this->setHeaders();
  75                 $this->outputHeader();
  76
  77                 $this->loadAuth( $subPage );
  78
  79                 if ( !$subPage ) {
  80                         $this->showSubpageList();
  81                         return;
  82                 }
  83
  84                 if ( !$this->authRequests ) {
  85                         // messages used: changecredentials-invalidsubpage, removecredentials-invalidsubpage
  86                         $this->showSubpageList( $this->msg( static::$messagePrefix . '-invalidsubpage', $subPage ) );
  87                         return;
  88                 }
  89
  90                 $status = $this->trySubmit();
  91
  92                 if ( $status === false || !$status->isOK() ) {
  93                         $this->displayForm( $status );
  94                         return;
  95                 }
  96
  97                 $response = $status->getValue();
  98
  99                 switch ( $response->status ) {
 100                         case AuthenticationResponse::PASS:
 101                                 $this->success();
 102                                 break;
 103                         case AuthenticationResponse::FAIL:
 104                                 $this->displayForm( Status::newFatal( $response->message ) );
 105                                 break;
 106                         default:
 107                                 throw new LogicException( 'invalid AuthenticationResponse' );
 108                 }
 109         }
 110
 111         protected function loadAuth( $subPage, $authAction = null, $reset = false ) {
 112                 parent::loadAuth( $subPage, $authAction );
 113                 if ( $subPage ) {
 114                         $this->authRequests = array_filter( $this->authRequests, function ( $req ) use ( $subPage ) {
 115                                 return $req->getUniqueId() === $subPage;
 116                         } );
 117                         if ( count( $this->authRequests ) > 1 ) {
 118                                 throw new LogicException( 'Multiple AuthenticationRequest objects with same ID!' );
 119                         }
 120                 }
 121         }
 122
 123         protected function getAuthFormDescriptor( $requests, $action ) {
 124                 if ( !static::$loadUserData ) {
 125                         return [];
 126                 } else {
 127                         return parent::getAuthFormDescriptor( $requests, $action );
 128                 }
 129         }
 130
 131         protected function getAuthForm( array $requests, $action ) {
 132                 $form = parent::getAuthForm( $requests, $action );
 133                 $req = reset( $requests );
 134                 $info = $req->describeCredentials();
 135
 136                 $form->addPreText(
 137                         Html::openElement( 'dl' )
 138                         . Html::element( 'dt', [], wfMessage( 'credentialsform-provider' ) )
 139                         . Html::element( 'dd', [], $info['provider'] )
 140                         . Html::element( 'dt', [], wfMessage( 'credentialsform-account' ) )
 141                         . Html::element( 'dd', [], $info['account'] )
 142                         . Html::closeElement( 'dl' )
 143                 );
 144
 145                 // messages used: changecredentials-submit removecredentials-submit
 146                 $form->setSubmitTextMsg( static::$messagePrefix . '-submit' );
 147                 $form->showCancel()->setCancelTarget( $this->getReturnUrl() ?: Title::newMainPage() );
 148
 149                 return $form;
 150         }
 151
 152         protected function needsSubmitButton( $formDescriptor ) {
 153                 // Change/remove forms show are built from a single AuthenticationRequest and do not allow
 154                 // for redirect flow; they always need a submit button.
 155                 return true;
 156         }
 157
 158         public function handleFormSubmit( $data ) {
 159                 // remove requests do not accept user input
 160                 $requests = $this->authRequests;
 161                 if ( static::$loadUserData ) {
 162                         $requests = AuthenticationRequest::loadRequestsFromSubmission( $this->authRequests, $data );
 163                 }
 164
 165                 $response = $this->performAuthenticationStep( $this->authAction, $requests );
 166
 167                 // we can't handle FAIL or similar as failure here since it might require changing the form
 168                 return Status::newGood( $response );
 169         }
 170
 171         /**
 172          * @param Message|null $error
 173          */
 174         protected function showSubpageList( $error = null ) {
 175                 $out = $this->getOutput();
 176
 177                 if ( $error ) {
 178                         $out->addHTML( $error->parse() );
 179                 }
 180
 181                 $groupedRequests = [];
 182                 foreach ( $this->authRequests as $req ) {
 183                         $info = $req->describeCredentials();
 184                         $groupedRequests[(string)$info['provider']][] = $req;
 185                 }
 186
 187                 $out->addHTML( Html::openElement( 'dl' ) );
 188                 foreach ( $groupedRequests as $group => $members ) {
 189                         $out->addHTML( Html::element( 'dt', [], $group ) );
 190                         foreach ( $members as $req ) {
 191                                 /** @var AuthenticationRequest $req */
 192                                 $info = $req->describeCredentials();
 193                                 $out->addHTML( Html::rawElement( 'dd', [],
 194                                         Linker::link( $this->getPageTitle( $req->getUniqueId() ),
 195                                                 htmlspecialchars( $info['account'], ENT_QUOTES ) )
 196                                 ) );
 197                         }
 198                 }
 199                 $out->addHTML( Html::closeElement( 'dl' ) );
 200         }
 201
 202         protected function success() {
 203                 $session = $this->getRequest()->getSession();
 204                 $user = $this->getUser();
 205                 $out = $this->getOutput();
 206                 $returnUrl = $this->getReturnUrl();
 207
 208                 // change user token and update the session
 209                 SessionManager::singleton()->invalidateSessionsForUser( $user );
 210                 $session->setUser( $user );
 211                 $session->resetId();
 212
 213                 if ( $returnUrl ) {
 214                         $out->redirect( $returnUrl );
 215                 } else {
 216                         // messages used: changecredentials-success removecredentials-success
 217                         $out->wrapWikiMsg( "<div class=\"successbox\">\n$1\n</div>", static::$messagePrefix
 218                                 . '-success' );
 219                         $out->returnToMain();
 220                 }
 221         }
 222
 223         /**
 224          * @return string|null
 225          */
 226         protected function getReturnUrl() {
 227                 $request = $this->getRequest();
 228                 $returnTo = $request->getText( 'returnto' );
 229                 $returnToQuery = $request->getText( 'returntoquery', '' );
 230
 231                 if ( !$returnTo ) {
 232                         return null;
 233                 }
 234
 235                 $title = Title::newFromText( $returnTo );
 236                 return $title->getFullURL( $returnToQuery );
 237         }
 238
 239         protected function getRequestBlacklist() {
 240                 return $this->getConfig()->get( 'ChangeCredentialsBlacklist' );
 241         }
 242 }