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<?php |
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namespace Srmklive\PayPal\Traits; |
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use Exception; |
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use GuzzleHttp\Client as HttpClient; |
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use Illuminate\Support\Collection; |
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use Psr\Http\Message\StreamInterface; |
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use RuntimeException; |
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use Srmklive\PayPal\Services\PayPal as PayPalClient; |
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trait PayPalRequest |
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{ |
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use PayPalHttpClient; |
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/** |
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* Http Client class object. |
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* |
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* @var HttpClient |
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*/ |
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private $client; |
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/** |
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* Http Client configuration. |
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* |
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* @var array |
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*/ |
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private $httpClientConfig; |
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/** |
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* PayPal API mode to be used. |
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* |
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* @var string |
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*/ |
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public $mode; |
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/** |
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* Request data to be sent to PayPal. |
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* |
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* @var Collection |
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*/ |
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protected $post; |
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/** |
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* PayPal API configuration. |
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* |
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* @var array |
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*/ |
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private $config; |
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/** |
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* Item subtotal. |
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* |
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* @var float |
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*/ |
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private $subtotal; |
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/** |
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* Default currency for PayPal. |
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* |
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* @var string |
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*/ |
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private $currency; |
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/** |
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* Additional options for PayPal API request. |
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* |
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* @var array |
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*/ |
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private $options; |
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/** |
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* Default payment action for PayPal. |
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* |
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* @var string |
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*/ |
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private $paymentAction; |
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/** |
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* Default locale for PayPal. |
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* |
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* @var string |
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*/ |
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private $locale; |
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/** |
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* PayPal API Endpoint. |
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* |
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* @var string |
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*/ |
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private $apiUrl; |
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/** |
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* IPN notification url for PayPal. |
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* |
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* @var string |
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*/ |
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private $notifyUrl; |
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/** |
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* Http Client request body parameter name. |
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* |
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* @var string |
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*/ |
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private $httpBodyParam; |
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/** |
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* Validate SSL details when creating HTTP client. |
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* |
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* @var bool |
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*/ |
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private $validateSSL; |
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/** |
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* Set PayPal API Credentials. |
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* |
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* @param array $credentials |
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* |
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* @throws Exception |
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* |
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* @return void |
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*/ |
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public function setApiCredentials($credentials) |
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{ |
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// Setting Default PayPal Mode If not set |
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$this->setApiEnvironment($credentials); |
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// Set API configuration for the PayPal provider |
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$this->setApiProviderConfiguration($credentials); |
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// Set default currency. |
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$this->setCurrency($credentials['currency']); |
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// Set Http Client configuration. |
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$this->setHttpClientConfiguration(); |
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} |
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/** |
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* Set other/override PayPal API parameters. |
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* |
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* @param array $options |
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* |
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* @return $this |
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*/ |
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public function addOptions(array $options) |
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{ |
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$this->options = $options; |
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return $this; |
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} |
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/** |
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* Function to set currency. |
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* |
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* @param string $currency |
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* |
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* @throws Exception |
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* |
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* @return $this |
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*/ |
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public function setCurrency($currency = 'USD') |
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{ |
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$allowedCurrencies = ['AUD', 'BRL', 'CAD', 'CZK', 'DKK', 'EUR', 'HKD', 'HUF', 'ILS', 'INR', 'JPY', 'MYR', 'MXN', 'NOK', 'NZD', 'PHP', 'PLN', 'GBP', 'SGD', 'SEK', 'CHF', 'TWD', 'THB', 'USD', 'RUB']; |
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// Check if provided currency is valid. |
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if (!in_array($currency, $allowedCurrencies, true)) { |
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throw new Exception('Currency is not supported by PayPal.'); |
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} |
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$this->currency = $currency; |
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return $this; |
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} |
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/** |
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* Retrieve PayPal IPN Response. |
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* |
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* @param array $post |
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* |
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* @throws Exception |
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* |
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* @return array |
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*/ |
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public function verifyIPN($post) |
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{ |
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$this->setRequestData($post); |
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$this->apiUrl = $this->config['ipn_url']; |
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return $this->doPayPalRequest('verifyipn'); |
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} |
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/** |
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* Setup request data to be sent to PayPal. |
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* |
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* @param array $data |
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* |
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* @return Collection |
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*/ |
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protected function setRequestData(array $data = []) |
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{ |
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if (($this->post instanceof Collection) && (!$this->post->isEmpty())) { |
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unset($this->post); |
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} |
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$this->post = new Collection($data); |
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return $this->post; |
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} |
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/** |
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* Function To Set PayPal API Configuration. |
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* |
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* @param array $config |
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* |
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* @throws Exception |
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*/ |
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private function setConfig(array $config = []) |
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{ |
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// Set Api Credentials |
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if (function_exists('config')) { |
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$this->setApiCredentials( |
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config('paypal') |
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); |
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} elseif (!empty($config)) { |
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$this->setApiCredentials($config); |
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} |
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$this->setRequestData(); |
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} |
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/** |
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* Set default values for configuration. |
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* |
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* @return void |
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*/ |
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private function setDefaultValues() |
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{ |
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// Set default payment action. |
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if (empty($this->paymentAction)) { |
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$this->paymentAction = 'Sale'; |
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} |
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// Set default locale. |
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if (empty($this->locale)) { |
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$this->locale = 'en_US'; |
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} |
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// Set default value for SSL validation. |
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if (empty($this->validateSSL)) { |
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$this->validateSSL = false; |
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} |
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} |
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/** |
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* Set API environment to be used by PayPal. |
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* |
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* @param array $credentials |
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* |
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* @return void |
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*/ |
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private function setApiEnvironment($credentials) |
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{ |
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if (empty($credentials['mode']) || !in_array($credentials['mode'], ['sandbox', 'live'])) { |
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$this->mode = 'live'; |
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} else { |
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$this->mode = $credentials['mode']; |
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} |
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} |
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/** |
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* Set configuration details for the provider. |
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* |
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* @param array $credentials |
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* |
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* @throws Exception |
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* |
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* @return void |
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*/ |
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private function setApiProviderConfiguration($credentials) |
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{ |
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// Setting PayPal API Credentials |
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collect($credentials[$this->mode])->map(function ($value, $key) { |
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$this->config[$key] = $value; |
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}); |
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$this->paymentAction = $credentials['payment_action']; |
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$this->locale = $credentials['locale']; |
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$this->validateSSL = $credentials['validate_ssl']; |
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$this->setApiProvider($credentials); |
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} |
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/** |
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* Determines which API provider should be used. |
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* |
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* @param array $credentials |
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* |
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* @throws \RuntimeException |
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*/ |
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private function setApiProvider($credentials) |
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{ |
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if ($this instanceof PayPalClient) { |
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$this->setOptions($credentials); |
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} |
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throw new RuntimeException('Invalid api credentials provided for PayPal!. Please provide the right api credentials.'); |
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} |
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/** |
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* Parse PayPal NVP Response. |
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* |
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* @param string $method |
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* @param array|StreamInterface $response |
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* |
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* @return array |
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*/ |
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private function retrieveData($method, $response) |
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{ |
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if ($method === 'verifyipn') { |
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return $response; |
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} |
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parse_str($response, $output); |
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return $output; |
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} |
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} |
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