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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Specials; |
| 4 | |
| 5 | use ErrorPageError; |
| 6 | use LogicException; |
| 7 | use MediaWiki\Auth\AuthenticationRequest; |
| 8 | use MediaWiki\Auth\AuthenticationResponse; |
| 9 | use MediaWiki\Auth\AuthManager; |
| 10 | use MediaWiki\HTMLForm\HTMLForm; |
| 11 | use MediaWiki\MainConfigNames; |
| 12 | use MediaWiki\SpecialPage\AuthManagerSpecialPage; |
| 13 | use StatusValue; |
| 14 | |
| 15 | /** |
| 16 | * Links/unlinks external accounts to the current user. |
| 17 | * |
| 18 | * To interact with this page, account providers need to register themselves with AuthManager. |
| 19 | */ |
| 20 | class SpecialLinkAccounts extends AuthManagerSpecialPage { |
| 21 | protected static $allowedActions = [ |
| 22 | AuthManager::ACTION_LINK, AuthManager::ACTION_LINK_CONTINUE, |
| 23 | ]; |
| 24 | |
| 25 | /** |
| 26 | * @param AuthManager $authManager |
| 27 | */ |
| 28 | public function __construct( AuthManager $authManager ) { |
| 29 | parent::__construct( 'LinkAccounts' ); |
| 30 | $this->setAuthManager( $authManager ); |
| 31 | } |
| 32 | |
| 33 | protected function getGroupName() { |
| 34 | return 'login'; |
| 35 | } |
| 36 | |
| 37 | public function isListed() { |
| 38 | return $this->getAuthManager()->canLinkAccounts(); |
| 39 | } |
| 40 | |
| 41 | protected function getRequestBlacklist() { |
| 42 | return $this->getConfig()->get( MainConfigNames::ChangeCredentialsBlacklist ); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * @param null|string $subPage |
| 47 | * @throws ErrorPageError |
| 48 | * @throws LogicException |
| 49 | */ |
| 50 | public function execute( $subPage ) { |
| 51 | $this->setHeaders(); |
| 52 | $this->loadAuth( $subPage ); |
| 53 | |
| 54 | if ( !$this->isActionAllowed( $this->authAction ) ) { |
| 55 | if ( $this->authAction === AuthManager::ACTION_LINK ) { |
| 56 | // looks like no linking provider is installed or willing to take this user |
| 57 | $titleMessage = $this->msg( 'cannotlink-no-provider-title' ); |
| 58 | $errorMessage = $this->msg( 'cannotlink-no-provider' ); |
| 59 | throw new ErrorPageError( $titleMessage, $errorMessage ); |
| 60 | } else { |
| 61 | // user probably back-button-navigated into an auth session that no longer exists |
| 62 | // FIXME would be nice to show a message |
| 63 | $this->getOutput()->redirect( $this->getPageTitle()->getFullURL( '', false, |
| 64 | PROTO_HTTPS ) ); |
| 65 | return; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | $this->outputHeader(); |
| 70 | |
| 71 | $status = $this->trySubmit(); |
| 72 | |
| 73 | if ( $status === false || !$status->isOK() ) { |
| 74 | $this->displayForm( $status ); |
| 75 | return; |
| 76 | } |
| 77 | |
| 78 | $response = $status->getValue(); |
| 79 | |
| 80 | switch ( $response->status ) { |
| 81 | case AuthenticationResponse::PASS: |
| 82 | $this->success(); |
| 83 | break; |
| 84 | case AuthenticationResponse::FAIL: |
| 85 | $this->loadAuth( '', AuthManager::ACTION_LINK, true ); |
| 86 | $this->displayForm( StatusValue::newFatal( $response->message ) ); |
| 87 | break; |
| 88 | case AuthenticationResponse::REDIRECT: |
| 89 | $this->getOutput()->redirect( $response->redirectTarget ); |
| 90 | break; |
| 91 | case AuthenticationResponse::UI: |
| 92 | $this->authAction = AuthManager::ACTION_LINK_CONTINUE; |
| 93 | $this->authRequests = $response->neededRequests; |
| 94 | $this->displayForm( StatusValue::newFatal( $response->message ) ); |
| 95 | break; |
| 96 | default: |
| 97 | throw new LogicException( 'invalid AuthenticationResponse' ); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | protected function getDefaultAction( $subPage ) { |
| 102 | return AuthManager::ACTION_LINK; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * @param AuthenticationRequest[] $requests |
| 107 | * @param string $action AuthManager action name, should be ACTION_LINK or ACTION_LINK_CONTINUE |
| 108 | * @return HTMLForm |
| 109 | */ |
| 110 | protected function getAuthForm( array $requests, $action ) { |
| 111 | $form = parent::getAuthForm( $requests, $action ); |
| 112 | $form->setSubmitTextMsg( 'linkaccounts-submit' ); |
| 113 | return $form; |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * Show a success message. |
| 118 | */ |
| 119 | protected function success() { |
| 120 | $this->loadAuth( '', AuthManager::ACTION_LINK, true ); |
| 121 | $this->displayForm( StatusValue::newFatal( $this->msg( 'linkaccounts-success-text' ) ) ); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | /** @deprecated class alias since 1.41 */ |
| 126 | class_alias( SpecialLinkAccounts::class, 'SpecialLinkAccounts' ); |