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<?php |
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namespace Slides\Saml2; |
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use OneLogin\Saml2\Auth as OneLoginAuth; |
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use OneLogin\Saml2\Error as OneLoginError; |
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use Slides\Saml2\Events\SignedOut; |
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/** |
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* Class Auth |
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* |
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* @package Slides\Saml2 |
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*/ |
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class Auth |
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{ |
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/** |
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* The base authentication handler. |
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* |
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* @var OneLoginAuth |
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*/ |
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protected $base; |
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/** |
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* The resolved IdP configuration. |
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* |
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* @var array |
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*/ |
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protected $idp; |
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/** |
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* Auth constructor. |
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* |
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* @param OneLoginAuth $auth |
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* @param array $idp |
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*/ |
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public function __construct(OneLoginAuth $auth, array $idp) |
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{ |
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$this->base = $auth; |
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$this->idp = $idp; |
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} |
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/** |
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* Checks whether a user is authenticated. |
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* |
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* @return bool |
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*/ |
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public function isAuthenticated() |
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{ |
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return $this->base->isAuthenticated(); |
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} |
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/** |
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* Create a SAML2 user. |
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* |
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* @return Saml2User |
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*/ |
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public function getSaml2User() |
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{ |
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return new Saml2User($this->base); |
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} |
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/** |
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* The ID of the last message processed. |
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* |
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* @return String |
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*/ |
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public function getLastMessageId() |
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{ |
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return $this->base->getLastMessageId(); |
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} |
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/** |
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* Initiate a saml2 login flow. |
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* |
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* It will redirect! Before calling this, check if user is |
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* authenticated (here in saml2). That would be true when the assertion was received this request. |
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* |
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* @param string|null $returnTo The target URL the user should be returned to after login. |
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* @param array $parameters Extra parameters to be added to the GET |
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* @param bool $forceAuthn When true the AuthNReuqest will set the ForceAuthn='true' |
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* @param bool $isPassive When true the AuthNReuqest will set the Ispassive='true' |
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* @param bool $stay True if we want to stay (returns the url string) False to redirect |
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* @param bool $setNameIdPolicy When true the AuthNReuqest will set a nameIdPolicy element |
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* |
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* @return string|null If $stay is True, it return a string with the SLO URL + LogoutRequest + parameters |
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* |
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* @throws OneLoginError |
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*/ |
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public function login( |
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$returnTo = null, |
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$parameters = array(), |
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$forceAuthn = false, |
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$isPassive = false, |
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$stay = false, |
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$setNameIdPolicy = true |
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) |
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{ |
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return $this->base->login($returnTo, $parameters, $forceAuthn, $isPassive, $stay, $setNameIdPolicy); |
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} |
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/** |
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* Initiate a saml2 logout flow. It will close session on all other SSO services. |
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* You should close local session if applicable. |
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* |
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* @param string|null $returnTo The target URL the user should be returned to after logout. |
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* @param string|null $nameId The NameID that will be set in the LogoutRequest. |
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* @param string|null $sessionIndex The SessionIndex (taken from the SAML Response in the SSO process). |
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* @param string|null $nameIdFormat The NameID Format will be set in the LogoutRequest. |
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* @param bool $stay True if we want to stay (returns the url string) False to redirect |
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* @param string|null $nameIdNameQualifier The NameID NameQualifier will be set in the LogoutRequest. |
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* |
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* @return string|null If $stay is True, it return a string with the SLO URL + LogoutRequest + parameters |
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* |
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* @throws OneLoginError |
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*/ |
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public function logout( |
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$returnTo = null, |
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$nameId = null, |
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$sessionIndex = null, |
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$nameIdFormat = null, |
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$stay = false, |
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$nameIdNameQualifier = null |
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) |
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{ |
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$auth = $this->base; |
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return $auth->logout($returnTo, [], $nameId, $sessionIndex, $stay, $nameIdFormat, $nameIdNameQualifier); |
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} |
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/** |
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* Process the SAML Response sent by the IdP. |
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* |
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* @return array|null |
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* |
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* @throws OneLoginError |
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* @throws \OneLogin\Saml2\ValidationError |
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*/ |
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public function acs() |
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{ |
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$this->base->processResponse(); |
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$errors = $this->base->getErrors(); |
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if (!empty($errors)) { |
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return $errors; |
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} |
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if (!$this->base->isAuthenticated()) { |
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return ['error' => 'Could not authenticate']; |
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} |
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return null; |
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} |
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/** |
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* Process the SAML Logout Response / Logout Request sent by the IdP. |
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* |
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* Returns an array with errors if it can not logout. |
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* |
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* @param bool $retrieveParametersFromServer |
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* |
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* @return array |
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* |
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* @throws \OneLogin\Saml2\Error |
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*/ |
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public function sls($retrieveParametersFromServer = false) |
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{ |
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$this->base->processSLO(false, null, $retrieveParametersFromServer, function () { |
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event(new SignedOut()); |
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}); |
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$errors = $this->base->getErrors(); |
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return $errors; |
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} |
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/** |
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* Get metadata about the local SP. Use this to configure your Saml2 IdP. |
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* |
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* @return string |
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* |
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* @throws \OneLogin\Saml2\Error |
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* @throws \Exception |
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* @throws \InvalidArgumentException If metadata is not correctly set |
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*/ |
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public function getMetadata() |
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{ |
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$settings = $this->base->getSettings(); |
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$metadata = $settings->getSPMetadata(); |
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$errors = $settings->validateMetadata($metadata); |
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if (!count($errors)) { |
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return $metadata; |
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} |
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throw new \InvalidArgumentException( |
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'Invalid SP metadata: ' . implode(', ', $errors), |
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OneLoginError::METADATA_SP_INVALID |
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); |
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} |
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/** |
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* Get the last error reason from \OneLogin_Saml2_Auth, useful for error debugging. |
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* |
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* @see \OneLogin_Saml2_Auth::getLastErrorReason() |
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* |
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* @return string |
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*/ |
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public function getLastErrorReason() |
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{ |
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return $this->base->getLastErrorReason(); |
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} |
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/** |
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* Get the base authentication handler. |
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* |
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* @return OneLoginAuth |
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*/ |
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public function getBase() |
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{ |
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return $this->base; |
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} |
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/** |
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* Get IDP key. |
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* |
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* @return string |
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*/ |
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public function getIdpKey() |
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{ |
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return $this->idp['key']; |
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} |
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/** |
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* Get IDP relay state URL, if configured. |
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* |
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* @return string|null |
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*/ |
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public function getIdpRelayStateUrl() |
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{ |
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return $this->idp['relay_state_url'] ?? null; |
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} |
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} |
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