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<?php |
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namespace ActionM\WebMoneyMerchant; |
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use Illuminate\Http\Request; |
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use Illuminate\Support\Facades\Validator; |
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use ActionM\WebMoneyMerchant\Events\WebMoneyMerchantEvent; |
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use ActionM\WebMoneyMerchant\Exceptions\InvalidConfiguration; |
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class WebMoneyMerchant |
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{ |
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public function __construct() |
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{ |
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} |
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/** |
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* Allow the access, if the ip address is in the whitelist. |
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* @param $ip |
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* @return bool |
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*/ |
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public function allowIP($ip) |
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{ |
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// Allow the local ip or any other ip address |
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if ($ip == '127.0.0.1' || in_array('*', config('webmoney-merchant.allowed_ips'))) { |
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return true; |
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} |
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return in_array($ip, config('webmoney-merchant.allowed_ips')); |
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} |
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/** |
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* Generates the '403' error code. |
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* @param $message |
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* @return mixed |
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*/ |
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public function responseError($message) |
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{ |
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return abort(403, $message); |
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} |
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/** |
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* Returns the 'YES' success message. |
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* @return string |
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*/ |
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public function responseOK() |
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{ |
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return 'YES'; |
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} |
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/** |
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* Fills in the event details to pass the title and request params as array. |
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* @param $event_type |
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* @param $event_title |
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* @param Request $request |
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*/ |
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public function eventFillAndSend($event_type, $event_title, Request $request) |
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{ |
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$event_details = [ |
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'title' => 'WebMoneyMerchant: '.$event_title, |
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'ip' => $request->ip(), |
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'request' => $request->all(), |
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]; |
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event( |
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new WebMoneyMerchantEvent($event_type, $event_details) |
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); |
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} |
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/** |
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* Calculates the signature for the order form. |
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* @param $LMI_PAYMENT_AMOUNT |
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* @param $LMI_PAYMENT_NO |
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* @return string |
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*/ |
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public function getFormSignature($LMI_PAYMENT_AMOUNT, $LMI_PAYMENT_NO) |
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{ |
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$hashStr = config('webmoney-merchant.WM_LMI_PAYEE_PURSE').';'.$LMI_PAYMENT_AMOUNT.';'.$LMI_PAYMENT_NO.';'.config('webmoney-merchant.WM_LMI_SECRET_X20').';'; |
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return hash('sha256', $hashStr); |
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} |
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/** |
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* Returns the hash for the params from WebMoneyMerchant. |
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* @param Request $request |
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* @return string |
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*/ |
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public function getSignature(Request $request) |
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{ |
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$hashStr = |
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$request->get('LMI_PAYEE_PURSE'). |
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$request->get('LMI_PAYMENT_AMOUNT'). |
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$request->get('LMI_PAYMENT_NO'). |
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$request->get('LMI_MODE'). |
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$request->get('LMI_SYS_INVS_NO'). |
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$request->get('LMI_SYS_TRANS_NO'). |
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$request->get('LMI_SYS_TRANS_DATE'). |
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config('webmoney-merchant.WM_LMI_SECRET_KEY'). |
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$request->get('LMI_PAYER_PURSE'). |
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$request->get('LMI_PAYER_WM'); |
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return hash('sha256', $hashStr); |
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} |
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/** |
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* Generates the order array with required fields for the order form. |
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* @param $payment_amount |
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* @param $payment_no |
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* @param $item_name |
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* @return array |
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*/ |
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public function generateWebMoneyMerchantOrderWithRequiredFields($payment_amount, $payment_no, $item_name) |
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{ |
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$order = [ |
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'PAYMENT_AMOUNT' => $payment_amount, |
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'PAYMENT_NO' => $payment_no, |
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'ITEM_NAME' => base64_encode($item_name), |
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]; |
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$this->requiredOrderParamsCheck($order); |
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return $order; |
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} |
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/** |
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* Checks required order params for the order form and raise an exception if it fails. |
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* @param $order |
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* @throws InvalidConfiguration |
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*/ |
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public function requiredOrderParamsCheck($order) |
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{ |
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$required_fields = [ |
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'PAYMENT_AMOUNT', |
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'PAYMENT_NO', |
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'ITEM_NAME', |
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]; |
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foreach ($required_fields as $key => $value) { |
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if (! array_key_exists($value, $order) || empty($order[$value])) { |
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throw InvalidConfiguration::generatePaymentFormOrderParamsNotSet($value); |
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} |
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} |
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// Checks if PAYMENT_NO is numeric. |
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if (! is_numeric($order['PAYMENT_NO'])) { |
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throw InvalidConfiguration::generatePaymentFormOrderInvalidPaymentNo('PAYMENT_NO'); |
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} |
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// Checks if PAYMENT_NO > 0 and < 2147483647 |
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if (intval($order['PAYMENT_NO']) < 1 || intval($order['PAYMENT_NO']) > 2147483647) { |
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throw InvalidConfiguration::generatePaymentFormOrderInvalidPaymentNo($order['PAYMENT_NO']); |
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} |
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} |
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/** |
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* Generates html forms from view with payment buttons |
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* Note: you can customise the view via artisan:publish. |
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* @param $payment_amount |
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* @param $payment_no |
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* @param $item_name |
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* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View |
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*/ |
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public function generatePaymentForm($payment_amount, $payment_no, $item_name) |
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{ |
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$order = $this->generateWebMoneyMerchantOrderWithRequiredFields($payment_amount, $payment_no, $item_name); |
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$this->requiredOrderParamsCheck($order); |
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/* WM Merchant accepts windows-1251; use only latin characters for the product name*/ |
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$payment_fields = []; |
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$payment_fields['LMI_PAYMENT_AMOUNT'] = $order['PAYMENT_AMOUNT']; |
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$payment_fields['LMI_PAYMENT_NO'] = $order['PAYMENT_NO']; |
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$payment_fields['LMI_PAYMENT_DESC_BASE64'] = $order['ITEM_NAME']; |
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$payment_fields['LOCALE'] = config('webmoney-merchant.locale'); |
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$payment_fields['LMI_PAYEE_PURSE'] = config('webmoney-merchant.WM_LMI_PAYEE_PURSE'); |
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$payment_fields['LMI_PAYMENTFORM_SIGN'] = $this->getFormSignature($payment_fields['LMI_PAYMENT_AMOUNT'], $payment_fields['LMI_PAYMENT_NO']); |
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return view('webmoney-merchant::payment_form', compact('payment_fields')); |
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} |
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/** |
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* Validates the request params from WebMoneyMerchant. |
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* @param Request $request |
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* @return bool |
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*/ |
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public function validate(Request $request) |
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{ |
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$validator = Validator::make($request->all(), [ |
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'LMI_PAYEE_PURSE' => 'required', |
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'LMI_PAYMENT_AMOUNT' => 'required', |
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'LMI_PAYMENT_NO' => 'required', |
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'LMI_PAYER_IP' => 'required', |
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'LMI_HASH' => 'required', |
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'LMI_HASH2' => 'required', |
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]); |
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if ($validator->fails()) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Validates the payee purse from WebMoneyMerchant. |
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* @param Request $request |
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* @return bool |
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*/ |
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public function validatePayeePurse(Request $request) |
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{ |
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if ($request->get('LMI_PAYEE_PURSE') != config('webmoney-merchant.WM_LMI_PAYEE_PURSE')) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Validates the request signature from WebMoneyMerchant. |
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* @param Request $request |
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* @return bool |
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*/ |
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public function validateSignature(Request $request) |
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{ |
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$sign = $this->getSignature($request); |
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if (mb_strtoupper($request->get('LMI_HASH')) != mb_strtoupper($sign)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Validates the allowed ip, request params and signature from WebMoneyMerchant. |
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* @param Request $request |
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* @return bool |
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*/ |
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public function validateOrderRequestFromGate(Request $request) |
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{ |
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if (! $this->AllowIP($request->ip()) || ! $this->validate($request) || ! $this->validatePayeePurse($request) || ! $this->validateSignature($request)) { |
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$this->eventFillAndSend('webmoneymerchant.error', 'validateOrderRequestFromGate', $request); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Validates the required attributes of the found order. |
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* @param Request $request |
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* @param $order |
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* @return bool |
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*/ |
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public function validateSearchOrderRequiredAttributes(Request $request, $order) |
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{ |
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if (! $order) { |
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$this->eventFillAndSend('webmoneymerchant.error', 'orderNotFound', $request); |
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return false; |
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} |
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// Checks required found order attributes. |
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$attr = ['WEBMONEY_orderStatus', 'WEBMONEY_orderSum']; |
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foreach ($attr as $k => $value) { |
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if (! $order->getAttribute($value)) { |
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$this->eventFillAndSend('webmoneymerchant.error', $value.'Invalid', $request); |
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return false; |
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} |
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} |
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// Compares order attributes with request params. |
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if ($order->getAttribute('WEBMONEY_orderSum') != $request->input('LMI_PAYMENT_AMOUNT')) { |
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$this->eventFillAndSend('webmoneymerchant.error', $value.'Invalid', $request); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Calls SearchOrderFilter and check return order params. |
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* @param Request $request |
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* @return bool |
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* @throws InvalidConfiguration |
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*/ |
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public function callFilterSearchOrder(Request $request) |
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{ |
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$callable = config('webmoney-merchant.searchOrderFilter'); |
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if (! is_callable($callable)) { |
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throw InvalidConfiguration::searchOrderFilterInvalid(); |
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} |
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/* |
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* SearchOrderFilter |
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* Searches the order in the database and return the order details. |
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* Must return the array with: |
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* |
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* orderStatus |
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* orderSum |
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*/ |
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$order = $callable($request, $request->input('LMI_PAYMENT_NO')); |
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if (! $this->validateSearchOrderRequiredAttributes($request, $order)) { |
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return false; |
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} |
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return $order; |
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} |
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/** |
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* Calls PaidOrderFilter if the order is not paid. |
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* @param Request $request |
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* @param $order |
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* @return mixed |
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* @throws InvalidConfiguration |
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*/ |
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public function callFilterPaidOrder(Request $request, $order) |
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{ |
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325
|
|
|
$callable = config('webmoney-merchant.paidOrderFilter'); |
|
326
|
|
|
|
|
327
|
|
|
if (! is_callable($callable)) { |
|
328
|
|
|
throw InvalidConfiguration::orderPaidFilterInvalid(); |
|
329
|
|
|
} |
|
330
|
|
|
|
|
331
|
|
|
// Unset the custom order attributes; for Eloquent support. |
|
332
|
|
|
unset($order['WEBMONEY_orderSum'], $order['WEBMONEY_orderStatus']); |
|
333
|
|
|
|
|
334
|
|
|
// Runs the `PaidOrderFilter` callback. |
|
335
|
|
|
return $callable($request, $order); |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
/** Returns "YES" |
|
339
|
|
|
* @return string |
|
340
|
|
|
*/ |
|
341
|
|
|
public function payOrderFromGateOK() |
|
342
|
|
|
{ |
|
343
|
|
|
return "YES"; |
|
344
|
|
|
} |
|
345
|
|
|
|
|
346
|
|
|
/** |
|
347
|
|
|
* Runs WebMoneyMerchant::payOrderFromGate($request) when the request from WebMoney Merchant has been received. |
|
348
|
|
|
* @param Request $request |
|
349
|
|
|
* @return mixed |
|
350
|
|
|
*/ |
|
351
|
|
|
public function payOrderFromGate(Request $request) |
|
352
|
|
|
{ |
|
353
|
|
|
if (! $request->has('LMI_HASH')) { |
|
354
|
|
|
return "OK"; |
|
355
|
|
|
} |
|
356
|
|
|
|
|
357
|
|
|
if ($request->has('LMI_PREREQUEST')) { |
|
358
|
|
|
return 'YES'; |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
// Validates the request params from the WebMoney Merchant server. |
|
362
|
|
|
if (! $this->validateOrderRequestFromGate($request)) { |
|
363
|
|
|
$this->eventFillAndSend('webmoneymerchant.error', 'validateOrderRequestFromGate', $request); |
|
364
|
|
|
|
|
365
|
|
|
return $this->responseError('validateOrderRequestFromGate'); |
|
366
|
|
|
} |
|
367
|
|
|
|
|
368
|
|
|
// Searches and returns the order |
|
369
|
|
|
$order = $this->callFilterSearchOrder($request); |
|
370
|
|
|
|
|
371
|
|
|
if (! $order) { |
|
372
|
|
|
$this->eventFillAndSend('webmoneymerchant.error', 'searchOrderFilter', $request); |
|
373
|
|
|
|
|
374
|
|
|
return $this->responseError('searchOrderFilter'); |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
// If the current order status is `paid`. |
|
378
|
|
|
// Sends the notification and returns the success response. |
|
379
|
|
|
if (mb_strtolower($order->WEBMONEY_orderStatus) === 'paid') { |
|
380
|
|
|
$this->eventFillAndSend('webmoneymerchant.info', 'The order is already paid', $request); |
|
381
|
|
|
|
|
382
|
|
|
return $this->responseError('The order is already paid'); |
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
|
|
// The current order is paid on WebMoney Merchant and not paid in the database. |
|
386
|
|
|
|
|
387
|
|
|
$this->eventFillAndSend('webmoneymerchant.success', 'paid order', $request); |
|
388
|
|
|
|
|
389
|
|
|
// PaidOrderFilter - update the order into the DB as paid & other actions. |
|
390
|
|
|
// If it returns false, then some error has occurred. |
|
391
|
|
|
if (! $this->callFilterPaidOrder($request, $order)) { |
|
392
|
|
|
$this->eventFillAndSend('webmoneymerchant.error', 'callFilterPaidOrder', $request); |
|
393
|
|
|
|
|
394
|
|
|
return $this->responseError('callFilterPaidOrder'); |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
// The order is paid on WebMoney Merchant and updated in the database. |
|
398
|
|
|
return $this->responseOK(); |
|
399
|
|
|
} |
|
400
|
|
|
} |
|
401
|
|
|
|
It seems like you are relying on a variable being defined by an iteration: