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<?php |
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/** |
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* @author Tharanga Kothalawala <[email protected]> |
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* @date 30-12-2018 |
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* |
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* This is similar to the PersistingAuthenticator version but is user aware. |
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* Meaning this can be used to link third party connections while the user is logged in. (user aware). |
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* use this if you want to connect & use multiple vendor logins such as Facebook and/or Google while logged in. |
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*/ |
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namespace TSK\SSO\Auth; |
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use TSK\SSO\AppUser\AppUser; |
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use TSK\SSO\AppUser\ExistingAppUser; |
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use TSK\SSO\Storage\Exception\DataCannotBeStoredException; |
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use TSK\SSO\Storage\FileSystemThirdPartyStorageRepository; |
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use TSK\SSO\Storage\ThirdPartyStorageRepository; |
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use TSK\SSO\ThirdParty\Exception\NoThirdPartyEmailFoundException; |
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use TSK\SSO\ThirdParty\Exception\ThirdPartyConnectionFailedException; |
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use TSK\SSO\ThirdParty\VendorConnection; |
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/** |
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* @package TSK\SSO\Auth |
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* @see PersistingAuthenticator |
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* |
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* Use this to validate and connect other accounts belong to the same vendor. |
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* You need to use PersistingAuthenticator when the user is NOT logged in yet. |
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* |
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* ex: A user can have three(3) Google Mail accounts. |
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* |
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* You may want to let users connect the rest of their account while they are LOGGED IN (aka user aware). |
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*/ |
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class AppUserAwarePersistingAuthenticator implements Authenticator |
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{ |
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/** |
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* @var AppUser |
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*/ |
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private $appUser; |
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/** |
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* @var ThirdPartyStorageRepository |
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*/ |
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private $storageRepository; |
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/** |
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* @param AppUser $appUser client application user which can be used to connect multiple other vendor accounts. |
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* @param ThirdPartyStorageRepository $storageRepository a storage implementation to store the third party auth |
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* data. By default uses file system as the storage. |
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*/ |
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public function __construct(AppUser $appUser, ThirdPartyStorageRepository $storageRepository = null) |
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{ |
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$this->appUser = $appUser; |
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$this->storageRepository = is_null($storageRepository) |
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? new FileSystemThirdPartyStorageRepository() |
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: $storageRepository; |
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} |
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/** |
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* This will try to authenticate a user using any given vendor connection. |
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* Upon a successful attempt, returns the authenticated user. |
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* |
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* @param VendorConnection $thirdPartyConnection vendor connection to use to perform an auth |
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* @return AppUser |
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* |
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* @throws DataCannotBeStoredException |
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* @throws NoThirdPartyEmailFoundException |
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* @throws ThirdPartyConnectionFailedException |
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*/ |
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public function authenticate(VendorConnection $thirdPartyConnection) |
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{ |
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$accessToken = $thirdPartyConnection->grantNewAccessToken(); |
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$thirdPartyUser = $thirdPartyConnection->getSelf($accessToken); |
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/** |
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* Resolving a new app user by taking |
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* - the known user's application id |
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* - and the incoming new vendor account's email |
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*/ |
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$derivedAppUser = new ExistingAppUser($this->appUser->id(), $thirdPartyUser->email()); |
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// Let's store this new third party user mapping against the existing user |
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$this->storageRepository->save($derivedAppUser, $thirdPartyUser, $accessToken); |
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return $derivedAppUser; |
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} |
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} |
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tharangakothalawala /
sso
