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<?php |
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namespace Ubiquity\controllers\rest; |
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use Ubiquity\controllers\Startup; |
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use Ubiquity\cache\ClassUtils; |
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use Ubiquity\cache\CacheManager; |
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use Ubiquity\exceptions\RestException; |
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/** |
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* |
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* @author jc |
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* |
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*/ |
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class RestServer { |
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/** |
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* |
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* @var array |
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*/ |
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protected $config; |
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protected $headers; |
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protected $tokensFolder; |
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protected $tokensCacheKey="_apiTokens"; |
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/** |
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* |
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* @var ApiTokens |
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*/ |
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protected $apiTokens; |
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public function __construct(&$config) { |
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$this->config=$config; |
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$this->headers=[ 'Access-Control-Allow-Origin' => 'http://127.0.0.1:4200','Access-Control-Allow-Credentials' => 'true','Access-Control-Max-Age' => '86400','Access-Control-Allow-Methods' => 'GET, POST, OPTIONS, PUT, DELETE, PATCH, HEAD' ]; |
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} |
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public function connect(RestController $controller) { |
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if (!isset($this->apiTokens)) { |
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$this->apiTokens=$this->_getApiTokens(); |
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} |
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$token=$this->apiTokens->addToken(); |
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$this->_addHeaderToken($token); |
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echo $controller->_format([ "access_token" => $token,"token_type" => "Bearer","expires_in" => $this->apiTokens->getDuration() ]); |
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} |
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/** |
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* Check if token is valid |
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* @return boolean |
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*/ |
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public function isValid() { |
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$this->apiTokens=$this->_getApiTokens(); |
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$key=$this->_getHeaderToken(); |
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if ($this->apiTokens->isExpired($key)) { |
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return false; |
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} else { |
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$this->_addHeaderToken($key); |
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return true; |
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} |
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} |
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public function _getHeaderToken() { |
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$authHeader=$this->_getHeader("Authorization"); |
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if ($authHeader !== false) { |
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list ( $type, $data )=explode(" ", $authHeader, 2); |
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if (\strcasecmp($type, "Bearer") == 0) { |
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return $data; |
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} else { |
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throw new RestException("Bearer is required in authorization header."); |
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} |
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} else { |
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throw new RestException("The header Authorization is required in http headers."); |
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} |
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} |
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public function finalizeTokens() { |
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if (isset($this->apiTokens)) { |
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$this->apiTokens->removeExpireds(); |
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$this->apiTokens->storeToCache(); |
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} |
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} |
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public function _getHeader($header) { |
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$headers=getallheaders(); |
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if (isset($headers[$header])) { |
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return $headers[$header]; |
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} |
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return false; |
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} |
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public function _addHeaderToken($token) { |
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$this->_header("Authorization", "Bearer " . $token); |
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} |
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/** |
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* To override for defining another ApiToken type |
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* @return ApiTokens |
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*/ |
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public function _getApiTokens() { |
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return ApiTokens::getFromCache(CacheManager::getAbsoluteCacheDirectory(). \DS, $this->tokensCacheKey); |
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} |
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/** |
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* |
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* @param string $headerField |
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* @param string $value |
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* @param boolean $replace |
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*/ |
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public function _header($headerField, $value=null, $replace=null) { |
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if (!isset($value)) { |
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if (isset($this->headers[$headerField])) { |
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$value=$this->headers[$headerField]; |
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} else |
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return; |
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} |
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\header(trim($headerField) . ": " . trim($value), $replace); |
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} |
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/** |
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* |
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* @param string $contentType default application/json |
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* @param string $charset default utf8 |
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*/ |
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public function _setContentType($contentType, $charset=null) { |
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$value=$contentType; |
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if (isset($charset)) |
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$value.="; charset=" . $charset; |
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$this->_header("Content-type", $value); |
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} |
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public function cors() { |
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$this->_header('Access-Control-Allow-Origin'); |
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$this->_header('Access-Control-Allow-Credentials'); |
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$this->_header('Access-Control-Max-Age'); |
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if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') { |
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if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD'])) |
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$this->_header('Access-Control-Allow-Methods'); |
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if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) { |
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$this->_header('Access-Control-Allow-Headers', $_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']); |
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} else { |
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$this->_header('Access-Control-Allow-Headers', '*'); |
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} |
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throw new RestException("cors exit normally"); |
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} |
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} |
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public static function getRestNamespace() { |
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$config=Startup::getConfig(); |
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$controllerNS=$config["mvcNS"]["controllers"]; |
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$restNS=""; |
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if (isset($config["mvcNS"]["rest"])) { |
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$restNS=$config["mvcNS"]["rest"]; |
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} |
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return ClassUtils::getNamespaceFromParts([ $controllerNS,$restNS ]); |
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} |
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} |
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phpMv /
ubiquity
