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PhabricatorAuthController.php
8e8ada376420production

PhabricatorAuthController.php
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			<?php

			abstract class PhabricatorAuthController extends PhabricatorController {

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

			return $this->newPage()
			->setTitle($title)
			->appendChild($view);

			}

			/**
			* Returns true if this install is newly setup (i.e., there are no user
			* accounts yet). In this case, we enter a special mode to permit creation
			* of the first account form the web UI.
			*/
			protected function isFirstTimeSetup() {
			// If there are any auth providers, this isn't first time setup, even if
			// we don't have accounts.
			if (PhabricatorAuthProvider::getAllEnabledProviders()) {
			return false;
			}

			// Otherwise, check if there are any user accounts. If not, we're in first
			// time setup.
			$any_users = id(new PhabricatorPeopleQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->setLimit(1)
			->execute();

			return !$any_users;
			}


			/**
			* 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 = PhabricatorAuthSession::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) {
			$session_key = id(new PhabricatorAuthSessionEngine())
			->establishSession($session_type, $user->getPHID(), $partial = true);

			// 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(
			PhabricatorCookies::COOKIE_USERNAME,
			$user->getUsername());
			$request->setCookie(
			PhabricatorCookies::COOKIE_SESSION,
			$session_key);

			$this->clearRegistrationCookies();
			}

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

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

			// Clear the registration key.
			$request->clearCookie(PhabricatorCookies::COOKIE_REGISTRATION);

			// Clear the client ID / OAuth state key.
			$request->clearCookie(PhabricatorCookies::COOKIE_CLIENTID);

			// Clear the invite cookie.
			$request->clearCookie(PhabricatorCookies::COOKIE_INVITE);
			}

			private function buildLoginValidateResponse(PhabricatorUser $user) {
			$validate_uri = new PhutilURI($this->getApplicationURI('validate/'));
			$validate_uri->setQueryParam('expect', $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. This requires edit permission for completeness and consistency
			// but it won't actually be meaningfully checked because we're using the
			// ominpotent user.

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

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

			if ($account->getUserPHID()) {
			if ($account->getUserPHID() != $viewer->getPHID()) {
			$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(
			PhabricatorCookies::COOKIE_REGISTRATION);

			// 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');
			$expect = PhabricatorHash::weakDigest($registration_key);
			if (!phutil_hashes_are_identical($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);
			}

			protected function loadInvite() {
			$invite_cookie = PhabricatorCookies::COOKIE_INVITE;
			$invite_code = $this->getRequest()->getCookie($invite_cookie);
			if (!$invite_code) {
			return null;
			}

			$engine = id(new PhabricatorAuthInviteEngine())
			->setViewer($this->getViewer())
			->setUserHasConfirmedVerify(true);

			try {
			return $engine->processInviteCode($invite_code);
			} catch (Exception $ex) {
			// If this fails for any reason, just drop the invite. In normal
			// circumstances, we gave them a detailed explanation of any error
			// before they jumped into this workflow.
			return null;
			}
			}

			protected function renderInviteHeader(PhabricatorAuthInvite $invite) {
			$viewer = $this->getViewer();

			// Since the user hasn't registered yet, they may not be able to see other
			// user accounts. Load the inviting user with the omnipotent viewer.
			$omnipotent_viewer = PhabricatorUser::getOmnipotentUser();

			$invite_author = id(new PhabricatorPeopleQuery())
			->setViewer($omnipotent_viewer)
			->withPHIDs(array($invite->getAuthorPHID()))
			->needProfileImage(true)
			->executeOne();

			// If we can't load the author for some reason, just drop this message.
			// We lose the value of contextualizing things without author details.
			if (!$invite_author) {
			return null;
			}

			$invite_item = id(new PHUIObjectItemView())
			->setHeader(pht('Welcome to Phabricator!'))
			->setImageURI($invite_author->getProfileImageURI())
			->addAttribute(
			pht(
			'%s has invited you to join Phabricator.',
			$invite_author->getFullName()));

			$invite_list = id(new PHUIObjectItemListView())
			->addItem($invite_item)
			->setFlush(true);

			return id(new PHUIBoxView())
			->addMargin(PHUI::MARGIN_LARGE)
			->appendChild($invite_list);
			}

			}

phab/src/applications/auth/controller/PhabricatorAuthController.php8e8ada376420production

PhabricatorAuthController.phpView Options

phab/src/applications/auth/controller/PhabricatorAuthController.php
8e8ada376420production

PhabricatorAuthController.php
View Options