PHP PayPal::getShopDomainSsl方法代码示例

 public function getAuthorisation()
 {
     global $cookie;
     // Getting cart informations
     $cart = new Cart((int) $cookie->id_cart);
     if (!Validate::isLoadedObject($cart)) {
         $this->_logs[] = $this->l('Not a valid cart');
     }
     $currency = new Currency((int) $cart->id_currency);
     if (!Validate::isLoadedObject($currency)) {
         $this->_logs[] = $this->l('Not a valid currency');
     }
     if (sizeof($this->_logs)) {
         return false;
     }
     // Making request
     $returnURL = PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'modules/paypal/express/submit.php';
     $cancelURL = PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'order.php';
     $paymentAmount = (double) $cart->getOrderTotal();
     $currencyCodeType = strval($currency->iso_code);
     $paymentType = Configuration::get('PAYPAL_CAPTURE') == 1 ? 'Authorization' : 'Sale';
     $request = '&Amt=' . urlencode($paymentAmount) . '&PAYMENTACTION=' . urlencode($paymentType) . '&ReturnUrl=' . urlencode($returnURL) . '&CANCELURL=' . urlencode($cancelURL) . '&CURRENCYCODE=' . urlencode($currencyCodeType);
     if ($this->_pp_integral) {
         $request .= '&SOLUTIONTYPE=Sole&LANDINGPAGE=Billing';
     } else {
         $request .= '&SOLUTIONTYPE=Mark&LANDINGPAGE=Login';
     }
     $request .= '&LOCALECODE=' . strtoupper($this->getCountryCode());
     if ($this->_header) {
         $request .= '&HDRIMG=' . urlencode($this->_header);
     }
     // Customer informations
     $customer = new Customer((int) $cart->id_customer);
     $request .= '&EMAIL=' . urlencode($customer->email);
     //customer
     // address of delivery
     $address = new Address((int) $cart->id_address_delivery);
     $country = new Country((int) $address->id_country);
     if ($address->id_state) {
         $state = new State((int) $address->id_state);
     }
     $request .= '&SHIPTONAME=' . urlencode($address->firstname . ' ' . $address->lastname);
     $request .= '&SHIPTOSTREET=' . urlencode($address->address1);
     $request .= '&SHIPTOSTREET2=' . urlencode($address->address2);
     $request .= '&SHIPTOCITY=' . urlencode($address->city);
     $request .= '&SHIPTOSTATE=' . ($address->id_state ? $state->iso_code : $country->iso_code);
     $request .= '&SHIPTOZIP=' . urlencode($address->postcode);
     $request .= '&SHIPTOCOUNTRY=' . urlencode($country->iso_code);
     $request .= '&SHIPTOPHONENUM=' . urlencode($address->phone);
     // Calling PayPal API
     include _PS_MODULE_DIR_ . 'paypal/api/paypallib.php';
     $ppAPI = new PaypalLib();
     $result = $ppAPI->makeCall($this->getAPIURL(), $this->getAPIScript(), 'SetExpressCheckout', $request);
     $this->_logs = array_merge($this->_logs, $ppAPI->getLogs());
     return $result;
 }

 public function initContent()
 {
     if (!$this->context->customer->isLogged() || empty($this->context->cart)) {
         Tools::redirect('index.php');
     }
     parent::initContent();
     $this->paypal = new PayPal();
     $this->context = Context::getContext();
     $this->id_module = (int) Tools::getValue('id_module');
     $currency = new Currency((int) $this->context->cart->id_currency);
     $this->context->smarty->assign(array('form_action' => PayPal::getShopDomainSsl(true, true) . _MODULE_DIR_ . $this->paypal->name . '/express_checkout/payment.php', 'total' => Tools::displayPrice($this->context->cart->getOrderTotal(true), $currency), 'logos' => $this->paypal->paypal_logos->getLogos(), 'use_mobile' => (bool) $this->paypal->useMobile()));
     $this->setTemplate('order-summary.tpl');
 }

 public function Handle_GetPaymentMethod($order)
 {
     $method = array();
     $method['Title'] = 'PayPal';
     $method['Description'] = 'Pay with your PayPal account';
     $method['ThumbnailUrl'] = CartAPI_Handlers_Helpers::getCartApiHomeUrl() . 'modules/paypal/icon.png';
     // config the handling module in the mobile engine
     $method['Module'] = 'WebPaymentActivity';
     $params = array();
     // new paypal module (3.4.5)
     if (defined('WPS') && defined('HSS') && defined('ECS')) {
         $paypal_method = (int) Configuration::get('PAYPAL_PAYMENT_METHOD');
         if ($paypal_method == WPS || $paypal_method == ECS) {
             $cancel_url = CartAPI_Handlers_Helpers::getCartApiHomeUrl() . 'modules/paypal/express_checkout/cancel.php';
             $params['Url'] = CartAPI_Handlers_Helpers::getShopBaseUrl() . 'modules/paypal/express_checkout/payment.php?express_checkout=payment_cart&current_shop_url=' . urlencode($cancel_url) . '&';
             $params['CompleteTrigger'] = CartAPI_Handlers_Helpers::getShopBaseUrl();
             $params['CancelTrigger'] = $cancel_url;
         }
     }
     // old paypal module (2.8.6)
     if (defined('_PAYPAL_INTEGRAL_EVOLUTION_') && defined('_PAYPAL_INTEGRAL_EVOLUTION_') && defined('_PAYPAL_INTEGRAL_EVOLUTION_')) {
         if (Configuration::get('PAYPAL_PAYMENT_METHOD') == _PAYPAL_INTEGRAL_EVOLUTION_) {
             // integral_evolution/paypal.tpl
             $params['Url'] = CartAPI_Handlers_Helpers::getShopBaseUrl() . 'modules/paypal/integral_evolution/redirect.php';
             $params['CompleteTrigger'] = PayPal::getShopDomain(true, true) . __PS_BASE_URI__ . 'order-confirmation.php';
             $params['CancelTrigger'] = PayPal::getShopDomain(true, true) . __PS_BASE_URI__;
         } elseif (Configuration::get('PAYPAL_PAYMENT_METHOD') == _PAYPAL_INTEGRAL_ or Configuration::get('PAYPAL_PAYMENT_METHOD') == _PAYPAL_OPTION_PLUS_) {
             if ($this->_isPayPalAPIAvailable()) {
                 // payment/payment.tpl
                 $params['Url'] = CartAPI_Handlers_Helpers::getCartApiHomeUrl() . 'modules/paypal/payment/submit.php';
                 $params['CompleteTrigger'] = CartAPI_Handlers_Helpers::getShopBaseUrl() . 'order-confirmation.php';
                 $params['CancelTrigger'] = PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'order';
                 // either order.php or order-opc.php
                 $params['RedirectTrigger'] = array('Trigger' => CartAPI_Handlers_Helpers::getShopBaseUrl() . 'modules/paypal/payment/submit.php', 'Redirect' => CartAPI_Handlers_Helpers::getCartApiHomeUrl() . 'modules/paypal/payment/error.php');
             } else {
                 // standard/paypal.tpl
                 $params['Url'] = CartAPI_Handlers_Helpers::getShopBaseUrl() . 'modules/paypal/standard/redirect.php';
                 $params['CompleteTrigger'] = PayPal::getShopDomain(true, true) . __PS_BASE_URI__ . 'order-confirmation.php';
                 $params['CancelTrigger'] = PayPal::getShopDomain(true, true) . __PS_BASE_URI__;
             }
         }
     }
     // very old paypal (2.0 and below)
     if (empty($params)) {
         $params['Url'] = CartAPI_Handlers_Helpers::getCartApiHomeUrl() . 'modules/paypal/old/hookpayment.php';
         $params['CompleteTrigger'] = CartAPI_Handlers_Helpers::getShopBaseUrl() . 'order-confirmation.php';
         $params['CancelTrigger'] = CartAPI_Handlers_Helpers::getShopBaseUrl();
     }
     $method['ModuleParameters'] = $params;
     return $method;
 }

function displayConfirm()
{
    global $cookie, $smarty, $ppPayment, $cart;
    if (!$cookie->isLogged(true)) {
        header('location:../../../');
        exit;
        die('Not logged');
    }
    unset($cookie->paypal_token);
    if ($cart->id_currency != $ppPayment->getCurrency((int) $cart->id_currency)->id) {
        $cart->id_currency = (int) $ppPayment->getCurrency((int) $cart->id_currency)->id;
        $cookie->id_currency = (int) $cart->id_currency;
        $cart->update();
        Tools::redirect('modules/' . $ppPayment->name . '/payment/submit.php');
    }
    // Display all and exit
    include _PS_ROOT_DIR_ . '/header.php';
    $smarty->assign(array('logo' => $ppPayment->getLogo(), 'cust_currency' => $cart->id_currency, 'currency' => $ppPayment->getCurrency((int) $cart->id_currency), 'total' => $cart->getOrderTotal(true, PayPal::BOTH), 'this_path_ssl' => PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'modules/' . $ppPayment->name . '/', 'mode' => 'payment/'));
    echo $ppPayment->display('paypal.php', 'confirm.tpl');
    include _PS_ROOT_DIR_ . '/footer.php';
    die;
}

                    Tools::redirectLink(__PS_BASE_URI__ . '/modules/paypal/express_checkout/submit.php?' . $query);
                } else {
                    $controller = new FrontController();
                    $controller->init();
                    Tools::redirect(Context::getContext()->link->getModuleLink('paypal', 'submit', $values));
                }
            }
        } else {
            // If Cart changed, no need to keep the paypal data
            unset(Context::getContext()->cookie->{PaypalExpressCheckout::$COOKIE_NAME});
            $ppec->logs[] = $ppec->l('Cart changed since the last checkout express, please make a new Paypal checkout payment');
        }
    }
    if (_PS_VERSION_ < '1.5') {
        $display = new BWDisplay();
    } else {
        $display = new FrontController();
    }
    // Display payment confirmation
    if ($ppec->ready && Tools::getValue('get_confirmation')) {
        if (_PS_VERSION_ < '1.5') {
            $currency = new Currency((int) $ppec->getContext()->cart->id_currency);
            $ppec->getContext()->smarty->assign(array('form_action' => PayPal::getShopDomainSsl(true, true) . _MODULE_DIR_ . $ppec->name . '/express_checkout/submit.php', 'total' => Tools::displayPrice($ppec->getContext()->cart->getOrderTotal(true), $currency), 'logos' => $ppec->paypal_logos->getLogos(), 'use_mobile' => (bool) $ppec->getContext()->getMobileDevice()));
            $display->setTemplate(_PS_MODULE_DIR_ . 'paypal/views/templates/front/order-summary.tpl');
        }
    } else {
        $ppec->getContext()->smarty->assign(array('message' => $ppec->l('Error occurred:'), 'logs' => $ppec->logs, 'use_mobile' => $ppec->getContext()->getMobileDevice()));
        $display->setTemplate(_PS_MODULE_DIR_ . 'paypal/views/templates/front/error.tpl');
    }
    $display->run();
}

function displayConfirm()
{
    global $cookie, $smarty, $ppExpress, $cart, $payerID;
    if (!$cookie->isLogged(true)) {
        die('Not logged');
    }
    if (!$payerID and !($payerID = Tools::htmlentitiesUTF8(strval(Tools::getValue('payerID'))))) {
        die('No payer ID');
    }
    // Display all and exit
    include _PS_ROOT_DIR_ . '/header.php';
    $smarty->assign(array('back' => 'paypal', 'logo' => $ppExpress->getLogo(), 'ppToken' => strval($cookie->paypal_token), 'cust_currency' => $cart->id_currency, 'currencies' => $ppExpress->getCurrency((int) $cart->id_currency), 'total' => $cart->getOrderTotal(true, PayPal::BOTH), 'this_path_ssl' => PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'modules/' . $ppExpress->name . '/', 'payerID' => $payerID, 'mode' => 'express/'));
    echo $ppExpress->display('paypal.php', 'confirm.tpl');
    include _PS_ROOT_DIR_ . '/footer.php';
    die;
}

 private function _setPaymentDetails(&$fields)
 {
     // Required field
     $fields['RETURNURL'] = PayPal::getShopDomainSsl(true, true) . _MODULE_DIR_ . $this->name . '/express_checkout/payment.php';
     $fields['NOSHIPPING'] = '1';
     $fields['BUTTONSOURCE'] = $this->getTrackingCode((int) Configuration::get('PAYPAL_PAYMENT_METHOD'));
     // Products
     $taxes = $total = 0;
     $index = -1;
     // Set cart products list
     $this->setProductsList($fields, $index, $total, $taxes);
     $this->setDiscountsList($fields, $index, $total, $taxes);
     $this->setGiftWrapping($fields, $index, $total);
     // Payment values
     $this->setPaymentValues($fields, $index, $total, $taxes);
     $id_address = (int) $this->context->cart->id_address_delivery;
     if ($id_address == 0 && $this->context->customer) {
         $id_address = Address::getFirstCustomerAddressId($this->context->customer->id);
     }
     if ($id_address && method_exists($this->context->cart, 'isVirtualCart') && !$this->context->cart->isVirtualCart()) {
         $this->setShippingAddress($fields, $id_address);
     } else {
         $fields['NOSHIPPING'] = '0';
     }
     foreach ($fields as &$field) {
         if (is_numeric($field)) {
             $field = str_replace(',', '.', $field);
         }
     }
 }

 public function makePayPalAPIValidation($cookie, $cart, $id_currency, $payerID, $type)
 {
     global $cookie;
     if (!$this->active) {
         return;
     }
     if (!$this->_isPayPalAPIAvailable()) {
         return;
     }
     // Filling-in vars
     $id_cart = (int) $cart->id;
     $currency = new Currency((int) $id_currency);
     $iso_currency = $currency->iso_code;
     $token = $cookie->paypal_token;
     $total = (double) $cart->getOrderTotal(true, PayPal::BOTH);
     $paymentType = Configuration::get('PAYPAL_CAPTURE') == 1 ? 'Authorization' : 'Sale';
     $serverName = urlencode($_SERVER['SERVER_NAME']);
     $bn = $type == 'express' ? 'ECS' : 'ECM';
     $notifyURL = urlencode(PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'modules/paypal/ipn.php');
     // Getting address
     if (isset($cookie->id_cart) and $cookie->id_cart) {
         $cart = new Cart((int) $cookie->id_cart);
     }
     if (isset($cart->id_address_delivery) and $cart->id_address_delivery) {
         $address = new Address((int) $cart->id_address_delivery);
     }
     $requestAddress = '';
     if (Validate::isLoadedObject($address)) {
         $country = new Country((int) $address->id_country);
         $state = new State((int) $address->id_state);
         $requestAddress = '&SHIPTONAME=' . urlencode($address->company . ' ' . $address->firstname . ' ' . $address->lastname) . '&SHIPTOSTREET=' . urlencode($address->address1 . ' ' . $address->address2) . '&SHIPTOCITY=' . urlencode($address->city) . '&SHIPTOSTATE=' . urlencode($address->id_state ? $state->iso_code : $country->iso_code) . '&SHIPTOCOUNTRYCODE=' . urlencode($country->iso_code) . '&SHIPTOZIP=' . urlencode($address->postcode);
     }
     // Making request
     $request = '&TOKEN=' . urlencode($token) . '&PAYERID=' . urlencode($payerID) . '&PAYMENTACTION=' . $paymentType . '&AMT=' . $total . '&CURRENCYCODE=' . $iso_currency . '&IPADDRESS=' . $serverName . '&NOTIFYURL=' . $notifyURL . '&BUTTONSOURCE=PRESTASHOP_' . $bn . $requestAddress;
     $discounts = (double) $cart->getOrderTotal(true, PayPal::ONLY_DISCOUNTS);
     if ($discounts == 0) {
         $products = $cart->getProducts();
         $amt = 0;
         for ($i = 0; $i < sizeof($products); $i++) {
             $request .= '&L_NAME' . $i . '=' . substr(urlencode($products[$i]['name'] . (isset($products[$i]['attributes']) ? ' - ' . $products[$i]['attributes'] : '') . (isset($products[$i]['instructions']) ? ' - ' . $products[$i]['instructions'] : '')), 0, 127);
             $request .= '&L_AMT' . $i . '=' . urlencode($this->PayPalRound($products[$i]['price']));
             $request .= '&L_QTY' . $i . '=' . urlencode($products[$i]['cart_quantity']);
             $amt += $this->PayPalRound($products[$i]['price']) * $products[$i]['cart_quantity'];
         }
         $shipping = $this->PayPalRound($cart->getOrderShippingCost($cart->id_carrier, false));
         $request .= '&ITEMAMT=' . urlencode($amt);
         $request .= '&SHIPPINGAMT=' . urlencode($shipping);
         $request .= '&TAXAMT=' . urlencode((double) max($this->PayPalRound($total - $amt - $shipping), 0));
     } else {
         $products = $cart->getProducts();
         $description = 0;
         for ($i = 0; $i < sizeof($products); $i++) {
             $description .= ($description == '' ? '' : ', ') . $products[$i]['cart_quantity'] . " x " . $products[$i]['name'] . (isset($products[$i]['attributes']) ? ' - ' . $products[$i]['attributes'] : '') . (isset($products[$i]['instructions']) ? ' - ' . $products[$i]['instructions'] : '');
         }
         $request .= '&ORDERDESCRIPTION=' . urlencode(substr($description, 0, 120));
     }
     // Calling PayPal API
     include_once _PS_MODULE_DIR_ . 'paypal/api/paypallib.php';
     $ppAPI = new PaypalLib();
     $result = $ppAPI->makeCall($this->getAPIURL(), $this->getAPIScript(), 'DoExpressCheckoutPayment', $request);
     $this->_logs = array_merge($this->_logs, $ppAPI->getLogs());
     // Checking PayPal result
     if (!is_array($result) or !sizeof($result)) {
         $this->displayPayPalAPIError($this->l('Authorization to PayPal failed.'), $this->_logs);
     } elseif (!isset($result['ACK']) or strtoupper($result['ACK']) != 'SUCCESS') {
         $this->displayPayPalAPIError($this->l('PayPal return error.'), $this->_logs);
     } elseif (!isset($result['TOKEN']) or $result['TOKEN'] != $cookie->paypal_token) {
         $logs[] = '<b>' . $ppExpress->l('Token given by PayPal is not the same as the cookie token', 'submit') . '</b>';
         $ppExpress->displayPayPalAPIError($ppExpress->l('PayPal return error.', 'submit'), $logs);
     }
     // Making log
     $id_transaction = $result['TRANSACTIONID'];
     if (Configuration::get('PAYPAL_CAPTURE')) {
         $this->_logs[] = $this->l('Authorization for deferred payment granted by PayPal.');
     } else {
         $this->_logs[] = $this->l('Order finished with PayPal!');
     }
     $message = Tools::htmlentitiesUTF8(strip_tags(implode("\n", $this->_logs)));
     // Order status
     switch ($result['PAYMENTSTATUS']) {
         case 'Completed':
             $id_order_state = Configuration::get('PS_OS_PAYMENT');
             break;
         case 'Pending':
             if ($result['PENDINGREASON'] != 'authorization') {
                 $id_order_state = Configuration::get('PS_OS_PAYPAL');
             } else {
                 $id_order_state = (int) Configuration::get('PAYPAL_OS_AUTHORIZATION');
             }
             break;
         default:
             $id_order_state = Configuration::get('PS_OS_ERROR');
     }
     // Call payment validation method
     $this->validateOrder($id_cart, $id_order_state, (double) $cart->getOrderTotal(true, PayPal::BOTH), $this->displayName, $message, array('transaction_id' => $id_transaction, 'payment_status' => $result['PAYMENTSTATUS'], 'pending_reason' => $result['PENDINGREASON']), $id_currency, false, $cart->secure_key);
     // Clean cookie
     unset($cookie->paypal_token);
     // Displaying output
     $order = new Order((int) $this->currentOrder);
     Tools::redirectLink(__PS_BASE_URI__ . 'order-confirmation.php?id_cart=' . (int) $id_cart . '&id_module=' . (int) $this->id . '&id_order=' . (int) $this->currentOrder . '&key=' . $order->secure_key);
//.........这里部分代码省略.........

            }
        } elseif ($ppec->result['ACK'] != 'Failure') {
            $ppec->context->smarty->assign(array('logs' => $ppec->logs, 'message' => $ppec->l('Error occurred:')));
            $template = 'error.tpl';
        }
    } else {
        /* If Cart changed, no need to keep the paypal data */
        unset($ppec->context->cookie->{PaypalExpressCheckout::$cookie_name});
        $ppec->logs[] = $ppec->l('Cart changed since the last checkout express, please make a new Paypal checkout payment');
    }
}
$display = _PS_VERSION_ < '1.5' ? new BWDisplay() : new FrontController();
$payment_confirmation = Tools::getValue('get_confirmation');
/* Display payment confirmation */
if ($ppec->ready && $payment_confirmation && _PS_VERSION_ < '1.5') {
    $shop_domain = PayPal::getShopDomainSsl(true, true);
    $form_action = $shop_domain . _MODULE_DIR_ . $ppec->name . '/express_checkout/payment.php';
    $order_total = $ppec->context->cart->getOrderTotal(true);
    $currency = new Currency((int) $ppec->context->cart->id_currency);
    $ppec->context->smarty->assign(array('form_action' => $form_action, 'total' => Tools::displayPrice($order_total, $currency), 'logos' => $ppec->paypal_logos->getLogos()));
    $template = 'order-summary.tpl';
} else {
    if (!$ppec->context->cart->id) {
        $ppec->context->cart->delete();
        $ppec->logs[] = $ppec->l('Your cart is empty.');
    }
    $ppec->context->smarty->assign(array('logs' => $ppec->logs, 'message' => $ppec->l('Error occurred:')));
    $template = 'error.tpl';
}
/**
 * Detect if we are using mobile or not

 public function redirectToConfirmation()
 {
     $shop_url = PayPal::getShopDomainSsl(true, true);
     // Check if user went through the payment preparation detail and completed it
     $detail = unserialize($this->context->cookie->express_checkout);
     if (!empty($detail['payer_id']) && !empty($detail['token'])) {
         $values = array('get_confirmation' => true);
         $link = $shop_url . _MODULE_DIR_ . $this->name . '/express_checkout/payment.php';
         if (version_compare(_PS_VERSION_, '1.5', '<')) {
             Tools::redirectLink($link . '?' . http_build_query($values, '', '&'));
         } else {
             Tools::redirect(Context::getContext()->link->getModuleLink('paypal', 'confirm', $values));
         }
     }
 }

 public static function getReturnLink()
 {
     return PayPal::getShopDomainSsl(true, true) . _MODULE_DIR_ . 'paypal/paypal_login/paypal_login_token.php';
 }

 public function getAuthorisation()
 {
     global $cookie, $cart;
     // Getting cart informations
     $currency = new Currency((int) $cart->id_currency);
     if (!Validate::isLoadedObject($currency)) {
         $this->_logs[] = $this->l('Not a valid currency');
     }
     if (sizeof($this->_logs)) {
         return false;
     }
     // Making request
     $vars = '?fromPayPal=1';
     $returnURL = PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'modules/paypal/payment/submit.php' . $vars;
     $cancelURL = PayPal::getShopDomainSsl(true, true) . __PS_BASE_URI__ . 'order.php';
     $paymentAmount = (double) $cart->getOrderTotal();
     $currencyCodeType = strval($currency->iso_code);
     $paymentType = Configuration::get('PAYPAL_CAPTURE') == 1 ? 'Authorization' : 'Sale';
     $request = '&Amt=' . urlencode($paymentAmount) . '&PAYMENTACTION=' . urlencode($paymentType) . '&ReturnUrl=' . urlencode($returnURL) . '&CANCELURL=' . urlencode($cancelURL) . '&CURRENCYCODE=' . urlencode($currencyCodeType) . '&NOSHIPPING=1';
     if (Configuration::get('PAYPAL_PAYMENT_METHOD') == 0) {
         $request .= '&SOLUTIONTYPE=Sole&LANDINGPAGE=Billing';
     } else {
         $request .= '&SOLUTIONTYPE=Mark&LANDINGPAGE=Login';
     }
     $request .= '&LOCALECODE=' . strtoupper(Language::getIsoById($cart->id_lang));
     if (Configuration::get('PAYPAL_HEADER')) {
         $request .= '&HDRIMG=' . urlencode(Configuration::get('PAYPAL_HEADER'));
     }
     // Customer informations
     $customer = new Customer((int) $cart->id_customer);
     $request .= '&EMAIL=' . urlencode($customer->email);
     //customer
     // address of delivery
     $id_address = $cart->id_address_delivery;
     $address = new Address((int) $id_address);
     $country = new Country((int) $address->id_country);
     if ($address->id_state) {
         $state = new State((int) $address->id_state);
     }
     $discounts = (double) $cart->getOrderTotal(true, PayPal::ONLY_DISCOUNTS);
     if ($discounts == 0) {
         if ($cart->id_customer) {
             $customer = new Customer((int) $cart->id_customer);
             $taxCalculationMethod = Group::getPriceDisplayMethod((int) $customer->id_default_group);
         } else {
             $taxCalculationMethod = Group::getDefaultPriceDisplayMethod();
         }
         $priceField = $taxCalculationMethod == PS_TAX_EXC ? 'price' : 'price_wt';
         $products = $cart->getProducts();
         $amt = 0;
         for ($i = 0; $i < sizeof($products); $i++) {
             $request .= '&L_NAME' . $i . '=' . substr(urlencode($products[$i]['name'] . (isset($products[$i]['attributes']) ? ' - ' . $products[$i]['attributes'] : '') . (isset($products[$i]['instructions']) ? ' - ' . $products[$i]['instructions'] : '')), 0, 127);
             $request .= '&L_AMT' . $i . '=' . urlencode($this->PayPalRound($products[$i][$priceField]));
             $request .= '&L_QTY' . $i . '=' . urlencode($products[$i]['cart_quantity']);
             $amt += $this->PayPalRound($products[$i][$priceField] * $products[$i]['cart_quantity']);
         }
         $shipping = $this->PayPalRound($cart->getOrderShippingCost($cart->id_carrier, false));
         $request .= '&ITEMAMT=' . urlencode($amt);
         $request .= '&SHIPPINGAMT=' . urlencode($shipping);
         $request .= '&TAXAMT=' . urlencode((double) max($this->PayPalRound($paymentAmount - $amt - $shipping), 0));
     } else {
         $products = $cart->getProducts();
         $description = 0;
         for ($i = 0; $i < sizeof($products); $i++) {
             $description .= ($description == '' ? '' : ', ') . $products[$i]['cart_quantity'] . " x " . $products[$i]['name'] . (isset($products[$i]['attributes']) ? ' - ' . $products[$i]['attributes'] : '') . (isset($products[$i]['instructions']) ? ' - ' . $products[$i]['instructions'] : '');
         }
         $request .= '&ORDERDESCRIPTION=' . urlencode(substr($description, 0, 120));
     }
     $request .= '&SHIPTONAME=' . urlencode($address->firstname . ' ' . $address->lastname);
     $request .= '&SHIPTOSTREET=' . urlencode($address->address1);
     $request .= '&SHIPTOSTREET2=' . urlencode($address->address2);
     $request .= '&SHIPTOCITY=' . urlencode($address->city);
     $request .= '&SHIPTOSTATE=' . ($address->id_state ? $state->iso_code : $country->iso_code);
     $request .= '&SHIPTOZIP=' . urlencode($address->postcode);
     $request .= '&SHIPTOCOUNTRY=' . urlencode($country->iso_code);
     $request .= '&SHIPTOPHONENUM=' . urlencode($address->phone);
     $request .= '&ADDROVERRIDE=1';
     // Calling PayPal API
     include _PS_MODULE_DIR_ . 'paypal/api/paypallib.php';
     $ppAPI = new PaypalLib();
     $result = $ppAPI->makeCall($this->getAPIURL(), $this->getAPIScript(), 'SetExpressCheckout', $request);
     $this->_logs = array_merge($this->_logs, $ppAPI->getLogs());
     return $result;
 }

 /**
  * Return the complete URI for a module
  * Could be use for return URL process or ajax call
  *
  * @param string $file of the module you want to target
  * @param array $options (value=key)
  *
  * @return string
  */
 public function getURI($file = '', $options = array())
 {
     return PayPal::getShopDomainSsl() . (__PS_BASE_URI__ . 'modules/' . $this->name . '/' . (!empty($file) ? $file : '')) . '?' . http_build_query($options, '', '&');
 }