PhabricatorAuthController.php
30237aaa4788stable

PhabricatorAuthController.php
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			<?php

			abstract class PhabricatorAuthController extends PhabricatorController {

			public function buildStandardPageResponse($view, array $data) {
			$page = $this->buildStandardPageView();

			$page->setApplicationName(pht('Login'));
			$page->setBaseURI('/login/');
			$page->setTitle(idx($data, 'title'));
			$page->appendChild($view);

			$response = new AphrontWebpageResponse();
			return $response->setContent($page->render());
			}

			protected function renderErrorPage($title, array $messages) {
			$view = new AphrontErrorView();
			$view->setTitle($title);
			$view->setErrors($messages);

			return $this->buildApplicationPage(
			$view,
			array(
			'title' => $title,
			'device' => true,
			'dust' => true,
			));

			}


			/**
			* Log a user into a web session and return an @{class:AphrontResponse} which
			* corresponds to continuing the login process.
			*
			* Normally, this is a redirect to the validation controller which makes sure
			* the user's cookies are set. However, event listeners can intercept this
			* event and do something else if they prefer.
			*
			* @param PhabricatorUser User to log the viewer in as.
			* @return AphrontResponse Response which continues the login process.
			*/
			protected function loginUser(PhabricatorUser $user) {

			$response = $this->buildLoginValidateResponse($user);
			$session_type = 'web';

			$event_type = PhabricatorEventType::TYPE_AUTH_WILLLOGINUSER;
			$event_data = array(
			'user' => $user,
			'type' => $session_type,
			'response' => $response,
			'shouldLogin' => true,
			);

			$event = id(new PhabricatorEvent($event_type, $event_data))
			->setUser($user);
			PhutilEventEngine::dispatchEvent($event);

			$should_login = $event->getValue('shouldLogin');
			if ($should_login) {
			$session_key = $user->establishSession($session_type);

			// NOTE: We allow disabled users to login and roadblock them later, so
			// there's no check for users being disabled here.

			$request = $this->getRequest();
			$request->setCookie('phusr', $user->getUsername());
			$request->setCookie('phsid', $session_key);

			$this->clearRegistrationCookies();
			}

			return $event->getValue('response');
			}

			protected function clearRegistrationCookies() {
			$request = $this->getRequest();

			// Clear the registration key.
			$request->clearCookie('phreg');

			// Clear the client ID / OAuth state key.
			$request->clearCookie('phcid');
			}

			private function buildLoginValidateResponse(PhabricatorUser $user) {
			$validate_uri = new PhutilURI($this->getApplicationURI('validate/'));
			$validate_uri->setQueryParam('phusr', $user->getUsername());

			return id(new AphrontRedirectResponse())->setURI((string)$validate_uri);
			}

			protected function renderError($message) {
			return $this->renderErrorPage(
			pht('Authentication Error'),
			array(
			$message,
			));
			}

			protected function loadAccountForRegistrationOrLinking($account_key) {
			$request = $this->getRequest();
			$viewer = $request->getUser();

			$account = null;
			$provider = null;
			$response = null;

			if (!$account_key) {
			$response = $this->renderError(
			pht('Request did not include account key.'));
			return array($account, $provider, $response);
			}

			// NOTE: We're using the omnipotent user because the actual user may not
			// be logged in yet, and because we want to tailor an error message to
			// distinguish between "not usable" and "does not exist". We do explicit
			// checks later on to make sure this account is valid for the intended
			// operation.

			$account = id(new PhabricatorExternalAccountQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withAccountSecrets(array($account_key))
			->needImages(true)
			->executeOne();

			if (!$account) {
			$response = $this->renderError(pht('No valid linkable account.'));
			return array($account, $provider, $response);
			}

			if ($account->getUserPHID()) {
			if ($account->getUserPHID() != $viewer->getUserPHID()) {
			$response = $this->renderError(
			pht(
			'The account you are attempting to register or link is already '.
			'linked to another user.'));
			} else {
			$response = $this->renderError(
			pht(
			'The account you are attempting to link is already linked '.
			'to your account.'));
			}
			return array($account, $provider, $response);
			}

			$registration_key = $request->getCookie('phreg');

			// NOTE: This registration key check is not strictly necessary, because
			// we're only creating new accounts, not linking existing accounts. It
			// might be more hassle than it is worth, especially for email.
			//
			// The attack this prevents is getting to the registration screen, then
			// copy/pasting the URL and getting someone else to click it and complete
			// the process. They end up with an account bound to credentials you
			// control. This doesn't really let you do anything meaningful, though,
			// since you could have simply completed the process yourself.

			if (!$registration_key) {
			$response = $this->renderError(
			pht(
			'Your browser did not submit a registration key with the request. '.
			'You must use the same browser to begin and complete registration. '.
			'Check that cookies are enabled and try again.'));
			return array($account, $provider, $response);
			}

			// We store the digest of the key rather than the key itself to prevent a
			// theoretical attacker with read-only access to the database from
			// hijacking registration sessions.

			$actual = $account->getProperty('registrationKey');
			$expect = PhabricatorHash::digest($registration_key);
			if ($actual !== $expect) {
			$response = $this->renderError(
			pht(
			'Your browser submitted a different registration key than the one '.
			'associated with this account. You may need to clear your cookies.'));
			return array($account, $provider, $response);
			}

			$other_account = id(new PhabricatorExternalAccount())->loadAllWhere(
			'accountType = %s AND accountDomain = %s AND accountID = %s
			AND id != %d',
			$account->getAccountType(),
			$account->getAccountDomain(),
			$account->getAccountID(),
			$account->getID());

			if ($other_account) {
			$response = $this->renderError(
			pht(
			'The account you are attempting to register with already belongs '.
			'to another user.'));
			return array($account, $provider, $response);
			}

			$provider = PhabricatorAuthProvider::getEnabledProviderByKey(
			$account->getProviderKey());

			if (!$provider) {
			$response = $this->renderError(
			pht(
			'The account you are attempting to register with uses a nonexistent '.
			'or disabled authentication provider (with key "%s"). An '.
			'administrator may have recently disabled this provider.',
			$account->getProviderKey()));
			return array($account, $provider, $response);
			}

			return array($account, $provider, null);
			}

			}

phab/src/applications/auth/controller/PhabricatorAuthController.php30237aaa4788stable

PhabricatorAuthController.phpView Options

phab/src/applications/auth/controller/PhabricatorAuthController.php
30237aaa4788stable

PhabricatorAuthController.php
View Options