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<?php |
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namespace OpenBuildings\PayPal; |
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/** |
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* @abstract |
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* @author Haralan Dobrev <[email protected]> |
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* @copyright 2013 OpenBuildings, Inc. |
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* @license http://spdx.org/licenses/BSD-3-Clause |
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*/ |
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abstract class Payment { |
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const ENDPOINT_START = 'https://www.'; |
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const WEBSCR_ENDPOINT_END = 'paypal.com/cgi-bin/webscr'; |
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const MERCHANT_ENDPOINT_START = 'https://api-3t.'; |
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const MERCHANT_ENDPOINT_END = 'paypal.com/nvp'; |
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const ENVIRONMENT_LIVE = ''; |
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const ENVIRONMENT_SANDBOX = 'sandbox.'; |
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public static $instances = array(); |
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public static $config = array( |
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'app_id' => '', |
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'username' => '', |
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'password' => '', |
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'signature' => '', |
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'email' => '', |
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'client_id' => '', |
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'secret' => '', |
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'currency' => 'USD', |
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); |
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protected static $_allowed_environments = array( |
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self::ENVIRONMENT_LIVE, |
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self::ENVIRONMENT_SANDBOX |
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); |
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private static $environment = self::ENVIRONMENT_SANDBOX; |
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public static function instance($name, array $config = array()) |
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{ |
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if (empty(self::$instances[$name])) |
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{ |
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$class = "OpenBuildings\\PayPal\\Payment_$name"; |
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self::$instances[$name] = new $class($config); |
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} |
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return self::$instances[$name]; |
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} |
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public static function merchant_endpoint_url() |
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{ |
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return self::MERCHANT_ENDPOINT_START.self::environment().self::MERCHANT_ENDPOINT_END; |
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} |
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/** |
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* Webscr url based on command, params and environment |
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*/ |
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public static function webscr_url($command = FALSE, array $params = array()) |
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{ |
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if ($command) |
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{ |
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$params = array_reverse($params, TRUE); |
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$params['cmd'] = $command; |
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$params = array_reverse($params, TRUE); |
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} |
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return self::ENDPOINT_START.self::environment().self::WEBSCR_ENDPOINT_END.($params ? '?'.http_build_query($params) : ''); |
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} |
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public static function environment($environment = NULL) |
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{ |
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if ($environment === NULL) |
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return self::$environment; |
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if ( ! in_array($environment, self::$_allowed_environments)) |
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throw new Exception('PayPal environment ":environment" is not allowed!', array( |
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':environment' => $environment |
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)); |
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self::$environment = $environment; |
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} |
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public static function parse_response($response_string, $url, $request_data) |
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{ |
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$response = Util::parse_str($response_string); |
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if ( ! isset($response['ACK']) OR strpos($response['ACK'], 'Success') === FALSE) |
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throw new Request_Exception('PayPal API request did not succeed for :url failed: :error:code.', $url, $request_data, array( |
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':url' => $url, |
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':error' => isset($response['L_LONGMESSAGE0']) ? $response['L_LONGMESSAGE0'] : 'Unknown error', |
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':code' => isset($response['L_ERRORCODE0']) ? ' ('.$response['L_ERRORCODE0'].')' : '', |
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), $response); |
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return $response; |
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} |
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protected $_config; |
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protected $_order = array(); |
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protected $_return_url = NULL; |
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protected $_cancel_url = NULL; |
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protected $_notify_url = NULL; |
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public function __construct(array $config = array()) |
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{ |
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$this->config($config); |
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} |
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public function config($key, $value = NULL) |
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{ |
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if ($value === NULL AND ! is_array($key)) |
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return (isset($this->_config[$key]) AND array_key_exists($key, $this->_config)) |
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? $this->_config[$key] |
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: NULL; |
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if (is_array($key)) |
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{ |
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$this->_config = array_replace(self::$config, $key); |
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} |
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else |
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{ |
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$this->_config[$key] = $value; |
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} |
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return $this; |
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} |
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public function order(array $order = NULL) |
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{ |
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if ($order === NULL) |
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return $this->_order; |
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$this->_order = $order; |
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return $this; |
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} |
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public function return_url($return_url = NULL) |
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{ |
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if ($return_url === NULL) |
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return $this->_return_url; |
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$this->_return_url = $return_url; |
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return $this; |
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} |
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public function cancel_url($cancel_url = NULL) |
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{ |
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if ($cancel_url === NULL) |
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return $this->_cancel_url; |
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$this->_cancel_url = $cancel_url; |
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return $this; |
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} |
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public function notify_url($notify_url = NULL) |
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{ |
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if ($notify_url === NULL) |
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return $this->_notify_url; |
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$this->_notify_url = $notify_url; |
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return $this; |
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} |
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public function request($url, array $request_data = array(), array $headers = array()) |
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{ |
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// Create a new curl instance |
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$curl = curl_init(); |
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$curl_options = array( |
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CURLOPT_URL => $url, |
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CURLOPT_POST => TRUE, |
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CURLOPT_SSL_VERIFYPEER => FALSE, |
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CURLOPT_SSL_VERIFYHOST => FALSE, |
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CURLOPT_RETURNTRANSFER => TRUE, |
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); |
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if ($request_data) |
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{ |
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$curl_options[CURLOPT_POSTFIELDS] = http_build_query($request_data, NULL, '&'); |
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} |
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if ($headers) |
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{ |
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$curl_options[CURLOPT_HTTPHEADER] = $headers; |
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} |
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// Set curl options |
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curl_setopt_array($curl, $curl_options); |
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if (($response_string = curl_exec($curl)) === FALSE) |
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{ |
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// Get the error code and message |
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$code = curl_errno($curl); |
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$error = curl_error($curl); |
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// Close curl |
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curl_close($curl); |
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throw new Request_Exception('PayPal API request for :url failed: :error (:code)', $url, $request_data, array( |
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':url' => $url, |
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':error' => $error, |
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':code' => $code |
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)); |
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} |
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// Close curl |
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curl_close($curl); |
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return static::parse_response($response_string, $url, $request_data); |
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} |
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} |
OpenBuildings /
paypal
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.