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<?php |
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/** |
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* PayPal Express Checkout Payment |
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* @author Jeremy Shipman jeremy [at] burnbright.net |
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* @author Nicolaas [at] sunnysideup.co.nz |
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* |
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* Developer documentation: |
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* Integration guide: https://cms.paypal.com/cms_content/US/en_US/files/developer/PP_ExpressCheckout_IntegrationGuide.pdf |
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* API reference: https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/howto_api_reference |
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* Uses the Name-Value Pair API protocol |
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* |
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*/ |
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class PayPalExpressCheckoutPayment extends EcommercePayment |
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{ |
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private static $debug = false; |
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private static $db = array( |
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'Token' => 'Varchar(30)', |
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'PayerID' => 'Varchar(30)', |
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'TransactionID' => 'Varchar(30)', |
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'AuthorisationCode' => 'Text', |
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'Debug' => 'HTMLText' |
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); |
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private static $logo = "ecommerce/images/paymentmethods/paypal.jpg"; |
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private static $payment_methods = array(); |
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//PayPal URLs |
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private static $test_API_Endpoint = "https://api-3t.sandbox.paypal.com/nvp"; |
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private static $test_PAYPAL_URL = "https://www.sandbox.paypal.com/webscr?cmd=_express-checkout&token="; |
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private static $API_Endpoint = "https://api-3t.paypal.com/nvp"; |
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private static $PAYPAL_URL = "https://www.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token="; |
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private static $privacy_link = "https://www.paypal.com/us/cgi-bin/webscr?cmd=p/gen/ua/policy_privacy-outside"; |
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//config |
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private static $test_mode = true; //on by default |
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private static $API_UserName; |
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private static $API_Password; |
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private static $API_Signature; |
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private static $sBNCode = null; // BN Code is only applicable for partners |
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private static $version = '64'; |
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//set custom settings |
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private static $custom_settings = array( |
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//design |
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//'HDRIMG' => "http://www.mysite.com/images/logo.jpg", //max size = 750px wide by 90px high, and good to be on secure server |
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//'HDRBORDERCOLOR' => 'CCCCCC', //header border |
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//'HDRBACKCOLOR' => '00FFFF', //header background |
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//'PAYFLOWCOLOR'=> 'AAAAAA' //payflow colour |
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//'PAGESTYLE' => //page style set in merchant account settings |
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'SOLUTIONTYPE' => 'Sole'//require paypal account, or not. Can be or 'Mark' (required) or 'Sole' (not required) |
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//'BRANDNAME' => 'my site name'//override business name in checkout |
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//'CUSTOMERSERVICENUMBER' => '0800 1234 5689'//number to call to resolve payment issues |
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//'NOSHIPPING' => 1 //disable showing shipping details |
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); |
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public function getCMSFields() |
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{ |
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$fields = parent::getCMSFields(); |
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foreach (array_keys(self::$db) as $field) { |
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$fields->removeFieldFromTab('Root.Main', $field); |
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$fields->addFieldToTab('Root.Advanced', LiteralField::create($field.'_debug', '<h2>'.$field.'</h2><pre>'.$this->$field.'</pre>')); |
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} |
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return $fields; |
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} |
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public function getPaymentFormFields() |
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{ |
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$logo = '<img src="' . $this->Config()->get("logo") . '" alt="Credit card payments powered by PayPal"/>'; |
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$privacyLink = '<a href="' . $this->Config()->get("privacy_link") . '" target="_blank" title="Read PayPal\'s privacy policy">' . $logo . '</a><br/>'; |
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return new FieldList( |
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new LiteralField('PayPalInfo', $privacyLink), |
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new LiteralField( |
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'PayPalPaymentsList', |
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$this->renderWith("PaymentMethods") |
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) |
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); |
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} |
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public function getPaymentFormRequirements() |
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{ |
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return null; |
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} |
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//main processing function |
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public function processPayment($data, $form) |
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{ |
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//sanity checks for credentials |
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if (!$this->Config()->get("API_UserName") || !$this->Config()->get("API_Password") || !$this->Config()->get("API_Signature")) { |
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user_error('You are attempting to make a payment without the necessary credentials set', E_USER_ERROR); |
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} |
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$data = $this->Order()->BillingAddress()->toMap(); |
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$paymenturl = $this->getTokenURL($this->Amount->Amount, $this->Amount->Currency, $data); |
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$this->Status = "Incomplete"; |
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$this->write(); |
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if ($paymenturl) { |
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Controller::curr()->redirect($paymenturl); //redirect to payment gateway |
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return EcommercePayment_Processing::create(); |
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} |
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$this->Message = _t('PayPalExpressCheckoutPayment.COULDNOTBECONTACTED', "PayPal could not be contacted"); |
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$this->Status = 'Failure'; |
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$this->write(); |
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return EcommercePayment_Failure::create($this->Message); |
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} |
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/** |
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* |
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* depracated |
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*/ |
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public function PayPalForm() |
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{ |
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user_error("This form is no longer used."); |
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Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js'); |
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// 1) Main Information |
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$fields = ''; |
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$order = $this->Order(); |
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$items = $order->Items(); |
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$member = $order->Member(); |
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// 2) Main Settings |
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$url = $this->Config()->get("test_mode") ? $this->Config()->get("test_url") : $this->Config()->get("url"); |
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$inputs['cmd'] = '_cart'; |
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$inputs['upload'] = '1'; |
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// 3) Items Informations |
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$cpt = 0; |
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foreach ($items as $item) { |
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$inputs['item_name_' . ++$cpt] = $item->TableTitle(); |
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// item_number is unnecessary |
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$inputs['amount_' . $cpt] = $item->UnitPrice(); |
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$inputs['quantity_' . $cpt] = $item->Quantity; |
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} |
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// 4) Payment Informations And Authorisation Code |
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$inputs['business'] = $this->Config()->get("test_mode") ? $this->Config()->get("test_account_email") : $this->Config()->get("account_email"); |
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$inputs['custom'] = $this->ID . '-' . $this->AuthorisationCode; |
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// Add Here The Shipping And/Or Taxes |
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$inputs['currency_code'] = $this->Currency; |
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// 5) Redirection Informations |
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$inputs['cancel_return'] = Director::absoluteBaseURL() . PayPalExpressCheckoutPayment_Handler::cancel_link($inputs['custom']); |
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$inputs['return'] = Director::absoluteBaseURL() . PayPalExpressCheckoutPayment_Handler::complete_link(); |
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$inputs['rm'] = '2'; |
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// Add Here The Notify URL |
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// 6) PayPal Pages Style Optional Informations |
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if (self:: $continue_button_text) { |
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$inputs['cbt'] = $this->Config()->get("continue_button_text"); |
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} |
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if ($this->Config()->get("header_image_url")) { |
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$inputs['cpp_header_image'] = urlencode($this->Config()->get("header_image_url")); |
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} |
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if ($this->Config()->get("header_back_color")) { |
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$inputs['cpp_headerback_color'] = $this->Config()->get("header_back_color"); |
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} |
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if ($this->Config()->get("header_border_color")) { |
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$inputs['cpp_headerborder_color'] = $this->Config()->get("header_border_color"); |
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} |
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if ($this->Config()->get("payflow_color")) { |
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$inputs['cpp_payflow_color'] = $this->Config()->get("payflow_color"); |
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} |
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if ($this->Config()->get("back_color")) { |
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$inputs['cs'] = $this->Config()->get("back_color"); |
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} |
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if ($this->Config()->get("image_url")) { |
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$inputs['image_url'] = urlencode($this->Config()->get("image_url")); |
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} |
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if ($this->Config()->get("page_style")) { |
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$inputs['page_style'] = $this->Config()->get("page_style"); |
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} |
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// 7) Prepopulating Customer Informations |
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$billingAddress = $order->BillingAddress(); |
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$inputs['first_name'] = $billingAddress->FirstName; |
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$inputs['last_name'] = $billingAddress->Surname; |
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$inputs['address1'] = $billingAddress->Address; |
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$inputs['address2'] = $billingAddress->Address2; |
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$inputs['city'] = $billingAddress->City; |
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$inputs['zip'] = $billingAddress->PostalCode; |
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$inputs['state'] = $billingAddress->Region()->Code; |
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$inputs['country'] = $billingAddress->Country; |
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$inputs['email'] = $member->Email; |
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// 8) Form Creation |
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if (is_array($inputs) && count($inputs)) { |
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foreach ($inputs as $name => $value) { |
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$ATT_value = Convert::raw2att($value); |
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$fields .= "<input type=\"hidden\" name=\"$name\" value=\"$ATT_value\" />"; |
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} |
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} |
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return <<<HTML |
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<form id="PaymentForm" method="post" action="$url">
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$fields |
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<input type="submit" value="Submit" /> |
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</form> |
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<script type="text/javascript"> |
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jQuery(document).ready(function() { |
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jQuery("input[type='submit']").hide(); |
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jQuery('#PaymentForm').submit(); |
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}); |
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</script> |
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HTML; |
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} |
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public function populateDefaults() |
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{ |
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parent::populateDefaults(); |
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$this->AuthorisationCode = md5(uniqid(rand(), true)); |
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} |
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/** |
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* Requests a Token url, based on the provided Name-Value-Pair fields |
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* See docs for more detail on these fields: |
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* https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_nvp_r_SetExpressCheckout |
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* |
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* Note: some of these values will override the paypal merchant account settings. |
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* Note: not all fields are listed here. |
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*/ |
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protected function getTokenURL($paymentAmount, $currencyCodeType, $extradata = array()) |
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{ |
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$data = array( |
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//payment info |
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'PAYMENTREQUEST_0_AMT' => $paymentAmount, |
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'PAYMENTREQUEST_0_CURRENCYCODE' => $currencyCodeType, //TODO: check to be sure all currency codes match the SS ones |
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//TODO: include individual costs: shipping, shipping discount, insurance, handling, tax?? |
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//'PAYMENTREQUEST_0_ITEMAMT' => //item(s) |
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//'PAYMENTREQUEST_0_SHIPPINGAMT' //shipping |
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//'PAYMENTREQUEST_0_SHIPDISCAMT' //shipping discount |
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//'PAYMENTREQUEST_0_HANDLINGAMT' //handling |
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//'PAYMENTREQUEST_0_TAXAMT' //tax |
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//'PAYMENTREQUEST_0_INVNUM' => $this->PaidObjectID //invoice number |
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//'PAYMENTREQUEST_0_TRANSACTIONID' //Transaction id |
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//'PAYMENTREQUEST_0_DESC' => //description |
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//'PAYMENTREQUEST_0_NOTETEXT' => //note to merchant |
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//'PAYMENTREQUEST_0_PAYMENTACTION' => , //Sale, Order, or Authorization |
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//'PAYMENTREQUEST_0_PAYMENTREQUESTID' |
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//return urls |
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'RETURNURL' => PayPalExpressCheckoutPayment_Handler::return_link(), |
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'CANCELURL' => PayPalExpressCheckoutPayment_Handler::cancel_link(), |
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//'PAYMENTREQUEST_0_NOTIFYURL' => //Instant payment notification |
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//'CALLBACK' |
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//'CALLBACKTIMEOUT' |
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//shipping display |
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//'REQCONFIRMSHIPPING' //require that paypal account address be confirmed |
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'NOSHIPPING' => 1, //show shipping fields, or not 0 = show shipping, 1 = don't show shipping, 2 = use account address, if none passed |
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//'ALLOWOVERRIDE' //display only the provided address, not the one stored in paypal |
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//TODO: Probably overkill, but you can even include the prices,qty,weight,tax etc for individual sale items |
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//other settings |
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//'LOCALECODE' => //locale, or default to US |
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'LANDINGPAGE' => 'Billing' //can be 'Billing' or 'Login' |
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); |
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if (!isset($extradata['Name'])) { |
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$arr = array(); |
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if (isset($extradata['FirstName'])) { |
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$arr[] = $extradata['FirstName']; |
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} |
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if (isset($extradata['MiddleName'])) { |
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$arr[] = $extradata['MiddleName']; |
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} |
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if (isset($extradata['Surname'])) { |
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$arr[] = $extradata['Surname']; |
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} |
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$extradata['Name'] = implode(' ', $arr); |
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} |
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$extradata["OrderID"] = SiteConfig::current_site_config()->Title." ".$this->Order()->getTitle(); |
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//add member & shipping fields, etc ...this will pre-populate the paypal login / create account form |
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foreach (array( |
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'Email' => 'EMAIL', |
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'Name' => 'PAYMENTREQUEST_0_SHIPTONAME', |
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'Address' => 'PAYMENTREQUEST_0_SHIPTOSTREET', |
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'Address2' => 'PAYMENTREQUEST_0_SHIPTOSTREET2', |
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'City' => 'PAYMENTREQUEST_0_SHIPTOCITY', |
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'PostalCode' => 'PAYMENTREQUEST_0_SHIPTOZIP', |
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'Region' => 'PAYMENTREQUEST_0_SHIPTOPHONENUM', |
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'Phone' => 'PAYMENTREQUEST_0_SHIPTOPHONENUM', |
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'Country' => 'PAYMENTREQUEST_0_SHIPTOCOUNTRYCODE', |
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'OrderID' => 'PAYMENTREQUEST_0_DESC' |
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) as $field => $val) { |
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if (isset($extradata[$field])) { |
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$data[$val] = $extradata[$field]; |
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} elseif ($this->$field) { |
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$data[$val] = $this->$field; |
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} |
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} |
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|
//set design settings |
301
|
|
|
$data = array_merge($this->Config()->get("custom_settings"), $data); |
302
|
|
|
$response = $this->apiCall('SetExpressCheckout', $data); |
303
|
|
|
if (Config::inst()->get("PayPalExpressCheckoutPayment", "debug")) { |
304
|
|
|
$this->addDebugInfo("RESPONSE: ".print_r($response, 1)); |
305
|
|
|
$debugmessage = "PayPal Debug:" . |
306
|
|
|
"\nMode: $mode". |
|
|
|
|
307
|
|
|
"\nAPI url: ".$this->getApiEndpoint(). |
308
|
|
|
"\nRedirect url: ".$this->getPayPalURL($response['TOKEN']). |
309
|
|
|
"\nUsername: " .$this->Config()->get("API_UserName"). |
310
|
|
|
"\nPassword: " .$this->Config()->get("API_Password"). |
311
|
|
|
"\nSignature: ".$this->Config()->get("API_Signature"). |
312
|
|
|
"\nRequest Data: ".print_r($data, true). |
313
|
|
|
"\nResponse: ".print_r($response, true); |
314
|
|
|
$this->addDebugInfo("DEBUG MESSAGE: ".$debugmessage); |
315
|
|
|
} |
316
|
|
|
if (!isset($response['ACK']) || !(strtoupper($response['ACK']) == "SUCCESS" || strtoupper($response['ACK']) == "SUCCESSWITHWARNING")) { |
317
|
|
|
$mode = ($this->Config()->get("test_mode") === true) ? "test" : "live"; |
|
|
|
|
318
|
|
|
return null; |
319
|
|
|
} |
320
|
|
|
//get and save token for later |
321
|
|
|
$token = $response['TOKEN']; |
322
|
|
|
$this->Token = $token; |
|
|
|
|
323
|
|
|
$this->write(); |
324
|
|
|
return $this->getPayPalURL($token); |
325
|
|
|
} |
326
|
|
|
|
327
|
|
|
/** |
328
|
|
|
* see https://cms.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_api_nvp_r_DoExpressCheckoutPayment |
329
|
|
|
*/ |
330
|
|
|
public function confirmPayment() |
|
|
|
|
331
|
|
|
{ |
332
|
|
|
$data = array( |
333
|
|
|
'PAYERID' => $this->PayerID, |
|
|
|
|
334
|
|
|
'TOKEN' => $this->Token, |
|
|
|
|
335
|
|
|
'PAYMENTREQUEST_0_PAYMENTACTION' => "Sale", |
336
|
|
|
'PAYMENTREQUEST_0_AMT' => $this->Amount->Amount, |
|
|
|
|
337
|
|
|
'PAYMENTREQUEST_0_CURRENCYCODE' => $this->Amount->Currency, |
|
|
|
|
338
|
|
|
'IPADDRESS' => urlencode($_SERVER['SERVER_NAME']) |
339
|
|
|
); |
340
|
|
|
$response = $this->apiCall('DoExpressCheckoutPayment', $data); |
341
|
|
|
if (!isset($response['ACK']) || !(strtoupper($response['ACK']) == "SUCCESS" || strtoupper($response['ACK']) == "SUCCESSWITHWARNING")) { |
342
|
|
|
return null; |
343
|
|
|
} |
344
|
|
|
if (isset($response["PAYMENTINFO_0_TRANSACTIONID"])) { |
345
|
|
|
//' Unique transaction ID of the payment. Note: If the PaymentAction of the request was Authorization or Order, this value is your AuthorizationID for use with the Authorization & Capture APIs. |
346
|
|
|
$this->TransactionID = $response["PAYMENTINFO_0_TRANSACTIONID"]; |
|
|
|
|
347
|
|
|
} |
348
|
|
|
//$transactionType = $response["PAYMENTINFO_0_TRANSACTIONTYPE"]; //' The type of transaction Possible values: l cart l express-checkout |
|
|
|
|
349
|
|
|
//$paymentType = $response["PAYMENTTYPE"]; //' Indicates whether the payment is instant or delayed. Possible values: l none l echeck l instant |
|
|
|
|
350
|
|
|
//$orderTime = $response["ORDERTIME"]; //' Time/date stamp of payment |
|
|
|
|
351
|
|
|
//TODO: should these be updated like this? |
352
|
|
|
//$this->Amount->Amount = $response["AMT"]; //' The final amount charged, including any shipping and taxes from your Merchant Profile. |
|
|
|
|
353
|
|
|
//$this->Amount->Currency= $response["CURRENCYCODE"]; //' A three-character currency code for one of the currencies listed in PayPay-Supported Transactional Currencies. Default: USD. |
|
|
|
|
354
|
|
|
//TODO: store this extra info locally? |
355
|
|
|
//$feeAmt = $response["FEEAMT"]; //' PayPal fee amount charged for the transaction |
|
|
|
|
356
|
|
|
//$settleAmt = $response["SETTLEAMT"]; //' Amount deposited in your PayPal account after a currency conversion. |
|
|
|
|
357
|
|
|
//$taxAmt = $response["TAXAMT"]; //' Tax charged on the transaction. |
|
|
|
|
358
|
|
|
//$exchangeRate = $response["EXCHANGERATE"]; //' Exchange rate if a currency conversion occurred. Relevant only if your are billing in their non-primary currency. If the customer chooses to pay with a currency other than the non-primary currency, the conversion occurs in the customer's account. |
|
|
|
|
359
|
|
|
if (isset($response["PAYMENTINFO_0_PAYMENTSTATUS"])) { |
360
|
|
|
switch (strtoupper($response["PAYMENTINFO_0_PAYMENTSTATUS"])) { |
361
|
|
|
case "PROCESSED": |
362
|
|
|
case "COMPLETED": |
363
|
|
|
$this->Status = 'Success'; |
|
|
|
|
364
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.SUCCESS', "The payment has been completed, and the funds have been successfully transferred"); |
|
|
|
|
365
|
|
|
break; |
366
|
|
|
case "EXPIRED": |
367
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.AUTHORISATION', "The authorization period for this payment has been reached"); |
|
|
|
|
368
|
|
|
$this->Status = 'Failure'; |
|
|
|
|
369
|
|
|
break; |
370
|
|
|
case "DENIED": |
371
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.FAILURE', "Payment was denied"); |
|
|
|
|
372
|
|
|
$this->Status = 'Failure'; |
|
|
|
|
373
|
|
|
break; |
374
|
|
|
case "REVERSED": |
375
|
|
|
$this->Status = 'Failure'; |
|
|
|
|
376
|
|
|
break; |
377
|
|
|
case "VOIDED": |
378
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.VOIDED', "An authorization for this transaction has been voided."); |
|
|
|
|
379
|
|
|
$this->Status = 'Failure'; |
|
|
|
|
380
|
|
|
break; |
381
|
|
|
case "FAILED": |
382
|
|
|
$this->Status = 'Failure'; |
|
|
|
|
383
|
|
|
break; |
384
|
|
|
case "CANCEL-REVERSAL": // A reversal has been canceled; for example, when you win a dispute and the funds for the reversal have been returned to you. |
385
|
|
|
break; |
386
|
|
|
case "IN-PROGRESS": |
387
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.INPROGRESS', "The transaction has not terminated");//, e.g. an authorization may be awaiting completion."; |
|
|
|
|
388
|
|
|
break; |
389
|
|
|
case "PARTIALLY-REFUNDED": |
390
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.PARTIALLYREFUNDED', "The payment has been partially refunded."); |
|
|
|
|
391
|
|
|
break; |
392
|
|
|
case "PENDING": |
393
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.PENDING', "The payment is pending."); |
|
|
|
|
394
|
|
|
if (isset($response["PAYMENTINFO_0_PENDINGREASON"])) { |
395
|
|
|
$this->Message .= " ".$this->getPendingReason($response["PAYMENTINFO_0_PENDINGREASON"]); |
|
|
|
|
396
|
|
|
} |
397
|
|
|
break; |
398
|
|
|
case "REFUNDED": |
399
|
|
|
$this->Message = _t('PayPalExpressCheckoutPayment.REFUNDED', "Payment refunded."); |
|
|
|
|
400
|
|
|
break; |
401
|
|
|
default: |
402
|
|
|
} |
403
|
|
|
} |
404
|
|
|
//$reasonCode = $response["REASONCODE"]; |
|
|
|
|
405
|
|
|
$this->write(); |
406
|
|
|
} |
407
|
|
|
|
408
|
|
|
protected function getPendingReason($reason) |
409
|
|
|
{ |
410
|
|
|
switch ($reason) { |
411
|
|
|
case "address": |
412
|
|
|
return _t('PayPalExpressCheckoutPayment.PENDING.ADDRESS', "A confirmed shipping address was not provided."); |
413
|
|
|
case "authorization": |
414
|
|
|
return _t('PayPalExpressCheckoutPayment.PENDING.AUTHORISATION', "Payment has been authorised, but not settled."); |
415
|
|
|
case "echeck": |
416
|
|
|
return _t('PayPalExpressCheckoutPayment.PENDING.ECHECK', "eCheck has not cleared."); |
417
|
|
|
case "intl": |
418
|
|
|
return _t('PayPalExpressCheckoutPayment.PENDING.INTERNATIONAL', "International: payment must be accepted or denied manually."); |
419
|
|
|
case "multicurrency": |
420
|
|
|
return _t('PayPalExpressCheckoutPayment.PENDING.MULTICURRENCY', "Multi-currency: payment must be accepted or denied manually."); |
421
|
|
|
case "order": |
422
|
|
|
case "paymentreview": |
423
|
|
|
case "unilateral": |
424
|
|
|
case "verify": |
425
|
|
|
case "other": |
426
|
|
|
} |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
/** |
430
|
|
|
* Handles actual communication with API server. |
431
|
|
|
*/ |
432
|
|
|
protected function apiCall($method, $data = array()) |
433
|
|
|
{ |
434
|
|
|
$this->addDebugInfo('---------------------------------------'); |
435
|
|
|
$this->addDebugInfo('---------------------------------------'); |
436
|
|
|
$this->addDebugInfo('---------------------------------------'); |
437
|
|
|
$postfields = array( |
438
|
|
|
'METHOD' => $method, |
439
|
|
|
'VERSION' => $this->Config()->get("version"), |
440
|
|
|
'USER' => $this->Config()->get("API_UserName"), |
441
|
|
|
'PWD'=> $this->Config()->get("API_Password"), |
442
|
|
|
'SIGNATURE' => $this->Config()->get("API_Signature"), |
443
|
|
|
'BUTTONSOURCE' => $this->Config()->get("sBNCode") |
444
|
|
|
); |
445
|
|
|
if (Config::inst()->get("PayPalExpressCheckoutPayment", "debug")) { |
446
|
|
|
$this->addDebugInfo("STANDARD POSTING FIELDS .... //// : ".print_r($postfields, 1)); |
447
|
|
|
$this->addDebugInfo("ADDITIONAL POSTING FIELDS .... //// : ".print_r($data, 1)); |
448
|
|
|
$this->addDebugInfo("SENDING TO .... //// : ".print_r($this->getApiEndpoint(), 1)); |
449
|
|
|
} |
450
|
|
|
$postfields = array_merge($postfields, $data); |
451
|
|
|
//Make POST request to Paypal via RESTful service |
452
|
|
|
$rs = new RestfulService($this->getApiEndpoint(), 0); //REST connection that will expire immediately |
453
|
|
|
$rs->httpHeader('Accept: application/xml'); |
454
|
|
|
$rs->httpHeader('Content-Type: application/x-www-form-urlencoded'); |
455
|
|
|
$response = $rs->request('', 'POST', http_build_query($postfields)); |
456
|
|
|
if (Config::inst()->get("PayPalExpressCheckoutPayment", "debug")) { |
457
|
|
|
$this->addDebugInfo('RESPONSE .... //// : '.print_r($response, 1)); |
458
|
|
|
} |
459
|
|
|
return $this->deformatNVP($response->getBody()); |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
protected function deformatNVP($nvpstr) |
463
|
|
|
{ |
464
|
|
|
$intial = 0; |
465
|
|
|
$nvpArray = array(); |
466
|
|
|
while (strlen($nvpstr)) { |
467
|
|
|
//postion of Key |
468
|
|
|
$keypos= strpos($nvpstr, '='); |
469
|
|
|
//position of value |
470
|
|
|
$valuepos = strpos($nvpstr, '&') ? strpos($nvpstr, '&'): strlen($nvpstr); |
471
|
|
|
/*getting the Key and Value values and storing in a Associative Array*/ |
472
|
|
|
$keyval=substr($nvpstr, $intial, $keypos); |
473
|
|
|
$valval=substr($nvpstr, $keypos+1, $valuepos-$keypos-1); |
474
|
|
|
//decoding the respose |
475
|
|
|
$nvpArray[urldecode($keyval)] =urldecode($valval); |
476
|
|
|
$nvpstr=substr($nvpstr, $valuepos+1, strlen($nvpstr)); |
477
|
|
|
} |
478
|
|
|
return $nvpArray; |
479
|
|
|
} |
480
|
|
|
|
481
|
|
|
protected function getApiEndpoint() |
|
|
|
|
482
|
|
|
{ |
483
|
|
|
return ($this->Config()->get("test_mode") === true) ? $this->Config()->get("test_API_Endpoint") : $this->Config()->get("API_Endpoint"); |
484
|
|
|
} |
485
|
|
|
|
486
|
|
|
protected function getPayPalURL($token) |
487
|
|
|
{ |
488
|
|
|
$url = ($this->Config()->get("test_mode") === true) ? $this->Config()->get("test_PAYPAL_URL") : $this->Config()->get("PAYPAL_URL"); |
489
|
|
|
return $url.$token.'&useraction=commit'; //useraction=commit ensures the payment is confirmed on PayPal, and not on a merchant confirm page. |
490
|
|
|
} |
491
|
|
|
|
492
|
|
|
|
493
|
|
|
protected function addDebugInfo($msg) |
494
|
|
|
{ |
495
|
|
|
$this->Debug .= "---------//------------\n\n".$msg; |
|
|
|
|
496
|
|
|
$this->write(); |
497
|
|
|
} |
498
|
|
|
} |
499
|
|
|
|
500
|
|
|
/** |
501
|
|
|
* Handler for responses from the PayPal site |
502
|
|
|
*/ |
503
|
|
|
class PayPalExpressCheckoutPayment_Handler extends Controller |
|
|
|
|
504
|
|
|
{ |
505
|
|
|
private static $url_segment = 'paypalexpresscheckoutpayment_handler'; |
|
|
|
|
506
|
|
|
|
507
|
|
|
protected $payment = null; //only need to get this once |
508
|
|
|
|
509
|
|
|
private static $allowed_actions = array( |
|
|
|
|
510
|
|
|
'confirm', |
511
|
|
|
'cancel' |
512
|
|
|
); |
513
|
|
|
|
514
|
|
|
public function Link($action = null) |
515
|
|
|
{ |
516
|
|
|
return Controller::join_links( |
517
|
|
|
Director::baseURL(), |
518
|
|
|
$this->Config()->get("url_segment"), |
519
|
|
|
$action |
520
|
|
|
); |
521
|
|
|
} |
522
|
|
|
|
523
|
|
|
public function payment() |
|
|
|
|
524
|
|
|
{ |
525
|
|
|
if ($this->payment) { |
526
|
|
|
return $this->payment; |
527
|
|
|
} elseif ($token = Controller::getRequest()->getVar('token')) { |
528
|
|
|
$payment = PayPalExpressCheckoutPayment::get() |
529
|
|
|
->filter( |
530
|
|
|
array( |
531
|
|
|
"Token" => $token, |
532
|
|
|
"Status" => "Incomplete" |
533
|
|
|
) |
534
|
|
|
) |
535
|
|
|
->first(); |
536
|
|
|
$this->payment = $payment; |
537
|
|
|
$this->payment->init(); |
538
|
|
|
return $this->payment; |
539
|
|
|
} |
540
|
|
|
return null; |
541
|
|
|
} |
542
|
|
|
|
543
|
|
|
public function confirm($request) |
|
|
|
|
544
|
|
|
{ |
545
|
|
|
//TODO: pretend the user confirmed, and skip straight to results. (check that this is allowed) |
546
|
|
|
//TODO: get updated shipping details from paypal?? |
547
|
|
|
if ($payment = $this->payment()) { |
548
|
|
|
if ($pid = Controller::getRequest()->getVar('PayerID')) { |
549
|
|
|
$payment->PayerID = $pid; |
550
|
|
|
$payment->write(); |
551
|
|
|
$payment->confirmPayment(); |
552
|
|
|
} |
553
|
|
|
} else { |
|
|
|
|
554
|
|
|
//something went wrong? ..perhaps trying to pay for a payment that has already been processed |
555
|
|
|
} |
556
|
|
|
$this->doRedirect(); |
557
|
|
|
return; |
558
|
|
|
} |
559
|
|
|
|
560
|
|
|
public function cancel($request) |
|
|
|
|
561
|
|
|
{ |
562
|
|
|
if ($payment = $this->payment()) { |
563
|
|
|
//TODO: do API call to gather further information |
564
|
|
|
$payment->Status = "Failure"; |
565
|
|
|
$payment->Message = _t('PayPalExpressCheckoutPayment.USERCANCELLED', "User cancelled"); |
566
|
|
|
$payment->write(); |
567
|
|
|
} |
568
|
|
|
$this->doRedirect(); |
569
|
|
|
return; |
570
|
|
|
} |
571
|
|
|
|
572
|
|
|
protected function doRedirect() |
573
|
|
|
{ |
574
|
|
|
$payment = $this->payment(); |
575
|
|
|
if ($payment && $obj = $payment->PaidObject()) { |
576
|
|
|
$this->redirect($obj->Link()); |
577
|
|
|
return; |
578
|
|
|
} |
579
|
|
|
$this->redirect(Director::absoluteURL('home', true)); //TODO: make this customisable in Payment_Controllers |
580
|
|
|
return; |
581
|
|
|
} |
582
|
|
|
|
583
|
|
|
public static function return_link() |
584
|
|
|
{ |
585
|
|
|
return Director::absoluteURL(Config::inst()->get("PayPalExpressCheckoutPayment_Handler", "url_segment"), true)."/confirm/"; |
586
|
|
|
} |
587
|
|
|
|
588
|
|
|
public static function cancel_link() |
589
|
|
|
{ |
590
|
|
|
return Director::absoluteURL(Config::inst()->get("PayPalExpressCheckoutPayment_Handler", "url_segment"), true)."/cancel/"; |
591
|
|
|
} |
592
|
|
|
} |
593
|
|
|
|