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| 1 | <?php |
| 2 | /** |
| 3 | * Copyright © 2016 Wikimedia Foundation and contributors |
| 4 | * |
| 5 | * @license GPL-2.0-or-later |
| 6 | * @file |
| 7 | */ |
| 8 | |
| 9 | namespace MediaWiki\Api; |
| 10 | |
| 11 | use MediaWiki\Auth\AuthenticationRequest; |
| 12 | use MediaWiki\Auth\AuthManager; |
| 13 | use MediaWiki\MainConfigNames; |
| 14 | use MediaWiki\Session\SessionManager; |
| 15 | |
| 16 | /** |
| 17 | * Remove authentication data from AuthManager |
| 18 | * |
| 19 | * @ingroup API |
| 20 | */ |
| 21 | class ApiRemoveAuthenticationData extends ApiBase { |
| 22 | |
| 23 | /** @var string */ |
| 24 | private $authAction; |
| 25 | /** @var string */ |
| 26 | private $operation; |
| 27 | |
| 28 | public function __construct( |
| 29 | ApiMain $main, |
| 30 | string $action, |
| 31 | private readonly AuthManager $authManager, |
| 32 | private readonly SessionManager $sessionManager, |
| 33 | ) { |
| 34 | parent::__construct( $main, $action ); |
| 35 | |
| 36 | $this->authAction = $action === 'unlinkaccount' |
| 37 | ? AuthManager::ACTION_UNLINK |
| 38 | : AuthManager::ACTION_REMOVE; |
| 39 | $this->operation = $action === 'unlinkaccount' |
| 40 | ? 'UnlinkAccount' |
| 41 | : 'RemoveCredentials'; |
| 42 | } |
| 43 | |
| 44 | public function execute() { |
| 45 | if ( !$this->getUser()->isNamed() ) { |
| 46 | $this->dieWithError( 'apierror-mustbeloggedin-removeauth', 'notloggedin' ); |
| 47 | } |
| 48 | |
| 49 | $this->checkUserRightsAny( 'editmyprivateinfo' ); |
| 50 | |
| 51 | $params = $this->extractRequestParams(); |
| 52 | |
| 53 | // Check security-sensitive operation status |
| 54 | ApiAuthManagerHelper::newForModule( $this, $this->authManager ) |
| 55 | ->securitySensitiveOperation( $this->operation ); |
| 56 | |
| 57 | // Fetch the request. No need to load from the request, so don't use |
| 58 | // ApiAuthManagerHelper's method. |
| 59 | $remove = $this->authAction === AuthManager::ACTION_REMOVE |
| 60 | ? array_fill_keys( $this->getConfig()->get( |
| 61 | MainConfigNames::RemoveCredentialsBlacklist ), true ) |
| 62 | : []; |
| 63 | $reqs = array_filter( |
| 64 | $this->authManager->getAuthenticationRequests( $this->authAction, $this->getUser() ), |
| 65 | static function ( AuthenticationRequest $req ) use ( $params, $remove ) { |
| 66 | return $req->getUniqueId() === $params['request'] && |
| 67 | !isset( $remove[get_class( $req )] ); |
| 68 | } |
| 69 | ); |
| 70 | if ( count( $reqs ) !== 1 ) { |
| 71 | $this->dieWithError( 'apierror-changeauth-norequest', 'badrequest' ); |
| 72 | } |
| 73 | $req = reset( $reqs ); |
| 74 | |
| 75 | // Perform the removal |
| 76 | $status = $this->authManager->allowsAuthenticationDataChange( $req, true ); |
| 77 | $this->getHookRunner()->onChangeAuthenticationDataAudit( $req, $status ); |
| 78 | if ( !$status->isGood() ) { |
| 79 | $this->dieStatus( $status ); |
| 80 | } |
| 81 | $this->authManager->changeAuthenticationData( $req ); |
| 82 | |
| 83 | // Reset sessions - if the user removed a credential or unlinked an account |
| 84 | // because it was compromised, log attackers out from sessions obtained that way. |
| 85 | $session = $this->getRequest()->getSession(); |
| 86 | $user = $this->getUser(); |
| 87 | $this->sessionManager->invalidateSessionsForUser( $user ); |
| 88 | $session->setUser( $user ); |
| 89 | $session->resetId(); |
| 90 | |
| 91 | $this->getResult()->addValue( null, $this->getModuleName(), [ 'status' => 'success' ] ); |
| 92 | } |
| 93 | |
| 94 | /** @inheritDoc */ |
| 95 | public function isWriteMode() { |
| 96 | return true; |
| 97 | } |
| 98 | |
| 99 | /** @inheritDoc */ |
| 100 | public function needsToken() { |
| 101 | return 'csrf'; |
| 102 | } |
| 103 | |
| 104 | /** @inheritDoc */ |
| 105 | public function getAllowedParams() { |
| 106 | return ApiAuthManagerHelper::getStandardParams( $this->authAction, |
| 107 | 'request' |
| 108 | ); |
| 109 | } |
| 110 | |
| 111 | /** @inheritDoc */ |
| 112 | protected function getExamplesMessages() { |
| 113 | $path = $this->getModulePath(); |
| 114 | $action = $this->getModuleName(); |
| 115 | return [ |
| 116 | "action={$action}&request=FooAuthenticationRequest&token=123ABC" |
| 117 | => "apihelp-{$path}-example-simple", |
| 118 | ]; |
| 119 | } |
| 120 | |
| 121 | /** @inheritDoc */ |
| 122 | public function getHelpUrls() { |
| 123 | return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Manage_authentication_data'; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | /** @deprecated class alias since 1.43 */ |
| 128 | class_alias( ApiRemoveAuthenticationData::class, 'ApiRemoveAuthenticationData' ); |