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| 1 | <?php |
| 2 | declare( strict_types=1 ); |
| 3 | /** |
| 4 | * @license GPL-2.0-or-later |
| 5 | */ |
| 6 | |
| 7 | namespace MediaWiki\Extension\OATHAuth\Auth; |
| 8 | |
| 9 | use MediaWiki\Auth\AbstractSecondaryAuthenticationProvider; |
| 10 | use MediaWiki\Auth\AuthenticationRequest; |
| 11 | use MediaWiki\Auth\AuthenticationResponse; |
| 12 | use MediaWiki\Context\RequestContext; |
| 13 | use MediaWiki\Extension\OATHAuth\OATHUserRepository; |
| 14 | use MediaWiki\Extension\OATHAuth\WebAuthnAuthenticator; |
| 15 | |
| 16 | class WebAuthnSecondaryAuthenticationProvider extends AbstractSecondaryAuthenticationProvider { |
| 17 | |
| 18 | public function __construct( |
| 19 | private readonly OATHUserRepository $userRepository, |
| 20 | private readonly WebAuthnAuthenticator $authenticator, |
| 21 | ) { |
| 22 | } |
| 23 | |
| 24 | /** @inheritDoc */ |
| 25 | public function getAuthenticationRequests( $action, array $options ) { |
| 26 | return []; |
| 27 | } |
| 28 | |
| 29 | /** @inheritDoc */ |
| 30 | public function beginSecondaryAuthentication( $user, array $reqs ) { |
| 31 | $oathUser = $this->userRepository->findByUser( $user ); |
| 32 | if ( !$this->authenticator->isEnabled( $oathUser ) ) { |
| 33 | return AuthenticationResponse::newAbstain(); |
| 34 | } |
| 35 | $canAuthenticate = $this->authenticator->canAuthenticate( $oathUser ); |
| 36 | if ( !$canAuthenticate->isGood() ) { |
| 37 | return AuthenticationResponse::newFail( $canAuthenticate->getMessage() ); |
| 38 | } |
| 39 | $startAuthResult = $this->authenticator->startAuthentication( $oathUser ); |
| 40 | if ( $startAuthResult->isGood() ) { |
| 41 | $request = new WebAuthnAuthenticationRequest( $startAuthResult->getValue()['json'] ); |
| 42 | $this->addModules(); |
| 43 | return AuthenticationResponse::newUI( [ $request ] ); |
| 44 | } |
| 45 | return AuthenticationResponse::newFail( $startAuthResult->getMessage() ); |
| 46 | } |
| 47 | |
| 48 | /** @inheritDoc */ |
| 49 | public function continueSecondaryAuthentication( $user, array $reqs ) { |
| 50 | $oathUser = $this->userRepository->findByUser( $user ); |
| 51 | $canAuthenticate = $this->authenticator->canAuthenticate( $oathUser ); |
| 52 | if ( !$canAuthenticate->isGood() ) { |
| 53 | return AuthenticationResponse::newFail( $canAuthenticate->getMessage() ); |
| 54 | } |
| 55 | |
| 56 | /** @var WebAuthnAuthenticationRequest $request */ |
| 57 | $request = AuthenticationRequest::getRequestByClass( |
| 58 | $reqs, |
| 59 | WebAuthnAuthenticationRequest::class |
| 60 | ); |
| 61 | if ( !$request ) { |
| 62 | // Re-ask user for credentials |
| 63 | $request = new WebAuthnAuthenticationRequest( |
| 64 | $this->authenticator->startAuthentication( $oathUser )->getValue()['json'] |
| 65 | ); |
| 66 | $this->addModules(); |
| 67 | return AuthenticationResponse::newUI( [ $request ], |
| 68 | wfMessage( 'oathauth-webauthn-error-credentials-missing' ), 'error' ); |
| 69 | } |
| 70 | |
| 71 | // Get credential retrieved from the client |
| 72 | $verificationData = $request->getSubmittedData(); |
| 73 | if ( $verificationData['credential'] === '' ) { |
| 74 | return AuthenticationResponse::newUI( [ $request ], |
| 75 | wfMessage( 'oathauth-webauthn-error-credentials-missing' ), 'error' ); |
| 76 | } |
| 77 | |
| 78 | $authResult = $this->authenticator->continueAuthentication( $oathUser, $verificationData['credential'] ); |
| 79 | if ( $authResult->isGood() ) { |
| 80 | return AuthenticationResponse::newPass( $authResult->getValue()->getUser()->getName() ); |
| 81 | } |
| 82 | |
| 83 | $messages = $authResult->getMessages(); |
| 84 | |
| 85 | if ( $messages === [] ) { |
| 86 | return AuthenticationResponse::newFail( wfMessage( 'oathauth-webauthn-error-verification-failed' ) ); |
| 87 | } |
| 88 | |
| 89 | // Return the first error from the authenticator, if there is any |
| 90 | return AuthenticationResponse::newFail( wfMessage( $messages[0] ) ); |
| 91 | } |
| 92 | |
| 93 | private function addModules() { |
| 94 | // It would be better to add modules in HTMLFormField class, |
| 95 | // but that does not seem to work for the login form |
| 96 | $out = RequestContext::getMain()->getOutput(); |
| 97 | $out->addModules( "ext.webauthn.login" ); |
| 98 | } |
| 99 | |
| 100 | /** @inheritDoc */ |
| 101 | public function beginSecondaryAccountCreation( $user, $creator, array $reqs ) { |
| 102 | return AuthenticationResponse::newAbstain(); |
| 103 | } |
| 104 | } |