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<?php |
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/** |
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* ================================== |
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* Responsible PHP API |
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* ================================== |
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* |
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* @link Git https://github.com/vince-scarpa/responsibleAPI.git |
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* |
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* @api Responible API |
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* @package responsible\core\headers |
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* |
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* @author Vince scarpa <[email protected]> |
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* |
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*/ |
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namespace responsible\core\headers; |
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use responsible\core\encoder; |
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use responsible\core\exception; |
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use responsible\core\helpers\help as helper; |
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use responsible\core\user; |
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class headerAuth extends header |
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{ |
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use \responsible\core\traits\optionsTrait; |
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/** |
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* [__construct] |
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*/ |
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public function __construct() |
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{} |
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/** |
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* [authorizationHeaders Scan for "Authorization" header] |
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* @return string|array [mixed: string / error] |
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*/ |
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public function authorizationHeaders($skipError = false) |
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{ |
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if ($grant = $this->isGrantRequest()) { |
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return $grant; |
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} |
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if ($clientToken = $this->hasBearerToken()) { |
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return $clientToken; |
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} |
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if (!$skipError) { |
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$this->setUnauthorised(); |
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} |
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} |
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/** |
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* [hasBearerValue Check if Authorization headers has Bearer value] |
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* @throws Exception |
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* Unauthorised |
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* @return boolean |
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*/ |
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private function hasBearerValue() |
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{ |
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$auth_headers = $this->getHeaders(); |
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if (isset($auth_headers["Authorization"]) && !empty($auth_headers["Authorization"])) { |
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list($type, $clientToken) = explode(" ", $auth_headers["Authorization"], 2); |
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if (strcasecmp(trim($type), "Bearer") == 0) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* [hasBearerToken Check if bearer token is present] |
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* @return string|null |
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*/ |
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public function hasBearerToken() |
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{ |
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$auth_headers = $this->getHeaders(); |
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if ($this->hasBearerValue()) { |
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list($type, $clientToken) = explode(" ", $auth_headers["Authorization"], 2); |
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if (strcasecmp(trim($type), "Bearer") == 0 && !empty($clientToken)) { |
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return $clientToken; |
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} |
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} |
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return; |
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} |
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/** |
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* Check if the request is a token grant |
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* @return array|boolean |
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*/ |
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public function isGrantRequest() |
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{ |
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$auth_headers = $this->getHeaders(); |
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$helper = new helper; |
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if (isset($auth_headers["Authorization"]) && !empty($auth_headers["Authorization"])) { |
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if ($grantType = $helper->checkVal($_REQUEST, 'grant_type')) { |
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$refreshToken = false; |
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if ($grantType == 'client_credentials') { |
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$refreshToken = $this->accessCredentialHeaders($auth_headers); |
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} |
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if ($grantType == 'refresh_token') { |
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$refreshToken = $this->accessRefreshHeaders($auth_headers); |
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} |
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if ($refreshToken) { |
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return [ |
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'client_access_request' => $refreshToken, |
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]; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* [accessRefreshHeaders description] |
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* @return string|array [mixed: string / error] |
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*/ |
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private function accessRefreshHeaders($auth_headers) |
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{ |
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list($type, $clientToken) = explode(" ", $auth_headers["Authorization"], 2); |
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if (strcasecmp($type, "Bearer") == 0 && !empty($clientToken)) { |
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$user = new user\user; |
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$account = $user |
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->setOptions($this->options) |
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->load( |
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$clientToken, |
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array( |
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'loadBy' => 'refresh_token', |
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'getJWT' => true, |
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'authorizationRefresh' => true, |
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) |
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); |
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if (empty($account)) { |
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$this->setUnauthorised(); |
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} |
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$tokens = [ |
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'token' => $account['JWT'], |
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'refresh_token' => $account['refreshToken']['token'], |
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]; |
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$account['refreshToken'] = $tokens; |
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return $account; |
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} else { |
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$this->setUnauthorised(); |
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} |
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} |
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/** |
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* [accessCredentialHeaders Check if the credentials are correct] |
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* @param array $auth_headers |
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* @return string|array [mixed: string / error] |
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*/ |
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private function accessCredentialHeaders($auth_headers) |
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{ |
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$cipher = new encoder\cipher; |
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list($type, $clientCredentials) = explode(" ", $auth_headers["Authorization"], 2); |
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if (strcasecmp($type, "Basic") == 0 && !empty($clientCredentials)) { |
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$credentails = explode('/', $clientCredentials); |
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if (!empty($credentails) && is_array($credentails)) { |
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$credentails = explode(':', $cipher->decode($clientCredentials)); |
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if (!empty($credentails) && is_array($credentails) && sizeof($credentails) == 2) { |
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$user = new user\user; |
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$user->setAccountID($credentails[0]); |
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$account = $user |
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->setOptions($this->options) |
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->load( |
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$credentails[0], |
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array( |
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'loadBy' => 'account_id', |
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'getJWT' => true, |
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'authorizationRefresh' => true, |
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) |
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); |
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$tokens = [ |
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'token' => $account['JWT'], |
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'refresh_token' => $account['refreshToken']['token'], |
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]; |
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$account['refreshToken'] = $tokens; |
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if (!empty($account)) { |
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if (strcasecmp($account['secret'], $credentails[1]) == 0) { |
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return $account; |
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} |
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} |
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} |
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} |
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} else { |
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$this->setUnauthorised(); |
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} |
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} |
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/** |
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* [unauthorised Set an unauthorised header] |
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* @throws Exception |
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* UNAUTHORIZED 401 |
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* @return void |
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*/ |
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public function setUnauthorised() |
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{ |
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$this->setHeaders(); |
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$this->setHeader('HTTP/1.1', array( |
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'Unauthorized', |
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), 401); |
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(new exception\errorException)->error('UNAUTHORIZED'); |
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} |
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} |
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vince-scarpa /
responsibleAPI
