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<?php |
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namespace UAPAY; |
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use UAPAY\Log as Log; |
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use UAPAY\Exception; |
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use Firebase\JWT\JWT; |
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abstract class Response |
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{ |
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/** |
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* @var string |
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*/ |
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protected $json; |
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/** |
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* @var array |
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*/ |
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protected $jwt=array( |
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'using' => false, |
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'UAPAY_pubkey' => '', |
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'our_privkey' => '', |
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); |
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/** |
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* @var int |
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*/ |
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protected $status; |
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/** |
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* Constructor |
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* |
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* @param array $json_string JSON string |
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* @param array $jwt_options array of options |
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*/ |
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public function __construct($json_string, $jwt_options=null) |
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{ |
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if (isset($jwt_options) && is_array($jwt_options)) |
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{ |
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$this->jwt = array_merge($this->jwt, $jwt_options); |
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} |
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$this->json_decode($json_string); |
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$this->json_handle(); |
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} |
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/** |
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* Decode JSON |
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* |
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* @param string $json_string |
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* @throws Exception\Runtime |
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*/ |
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protected function json_decode($json_string) |
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{ |
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$this->json = json_decode($json_string, true); |
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if (json_last_error() != 0) |
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{ |
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throw new Exception\Runtime('decoding error of the json response!'); |
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} |
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} |
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/** |
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* Handle decoded JSON |
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* |
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* @throws Exception\JSON |
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*/ |
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protected function json_handle() |
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{ |
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if (isset($this->json['error'])) |
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{ |
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throw new Exception\JSON('json response contain an error message!'); |
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} |
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if ( ! isset($this->json['status'])) |
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{ |
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throw new Exception\JSON('invalid json response!'); |
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} |
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if ($this->json['status'] == 0) |
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{ |
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throw new Exception\JSON('json response contain an error status!'); |
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} |
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$this->status = $this->json['status']; |
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if ( ! isset($this->json['data']) || !is_array($this->json['data'])) |
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{ |
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throw new Exception\JSON('json does not contain the data field!'); |
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} |
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if ($this->jwt['using'] === true) |
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{ |
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if ( ! isset($this->json['data']['token'])) |
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{ |
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throw new Exception\JSON('data does not contain the token field!'); |
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} |
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$this->json['data'] = $this->token_decode($this->json['data']['token']); |
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} |
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} |
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/** |
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* Get UAPAY public key |
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* |
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* @throws Exception\Runtime |
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* @return string Public key |
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*/ |
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View Code Duplication |
protected function uapay_public_key() |
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{ |
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// check public key file |
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if ( ! file_exists($this->jwt['UAPAY_pubkey'])) |
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{ |
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throw new Exception\Runtime('The file with the public key was not find!'); |
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} |
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// load public key file |
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$fpkey = fopen($this->jwt['UAPAY_pubkey'], "rb"); |
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if ($fpkey === FALSE) |
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{ |
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throw new Exception\Runtime('The file with the public key was not open!'); |
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} |
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$public_key = fread($fpkey, 8192); |
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if ($public_key === FALSE) |
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{ |
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throw new Exception\Runtime('The file with the public key was not read!'); |
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} |
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fclose($fpkey); |
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return $public_key; |
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} |
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/** |
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* Decode token |
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* |
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* @param string $token |
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* @throws Exception\Runtime |
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* @return array |
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*/ |
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View Code Duplication |
protected function token_decode($token) |
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{ |
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try |
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{ |
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$decoded = (array) JWT::decode($token, $this->uapay_public_key(), array('RS512')); |
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} |
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catch (\Exception $e) |
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{ |
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Log::instance()->error($e->getMessage().PHP_EOL.$e->getTraceAsString()); |
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throw new Exception\JSON('unable to decode JWT token', $e); |
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} |
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Log::instance()->debug('decoded payload:'); |
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Log::instance()->debug(print_r($decoded, true)); |
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return $decoded; |
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} |
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/** |
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* Get status code |
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* |
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* @return int |
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*/ |
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public function status() |
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{ |
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return $this->status; |
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} |
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} |
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dshovchko /
php_UAPAY
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