public function ipn_callback() { $this->log(' [Info] Entered ipn_callback()...'); // Retrieve the Invoice ID and Network URL from the supposed IPN data $post = file_get_contents("php://input"); if (true === empty($post)) { $this->log(' [Error] No post data sent to IPN handler!'); error_log('[Error] BitPay plugin received empty POST data for an IPN message.'); wp_die('No post data'); } else { $this->log(' [Info] The post data sent to IPN handler is present...'); } $json = json_decode($post, true); if (true === empty($json)) { $this->log(' [Error] Invalid JSON payload sent to IPN handler: ' . $post); error_log('[Error] BitPay plugin received an invalid JSON payload sent to IPN handler: ' . $post); wp_die('Invalid JSON'); } else { $this->log(' [Info] The post data was decoded into JSON...'); } if (false === array_key_exists('id', $json)) { $this->log(' [Error] No invoice ID present in JSON payload: ' . var_export($json, true)); error_log('[Error] BitPay plugin did not receive an invoice ID present in JSON payload: ' . var_export($json, true)); wp_die('No Invoice ID'); } else { $this->log(' [Info] Invoice ID present in JSON payload...'); } if (false === array_key_exists('url', $json)) { $this->log(' [Error] No invoice URL present in JSON payload: ' . var_export($json, true)); error_log('[Error] BitPay plugin did not receive an invoice URL present in JSON payload: ' . var_export($json, true)); wp_die('No Invoice URL'); } else { $this->log(' [Info] Invoice URL present in JSON payload...'); } // Get a BitPay Client to prepare for invoice fetching $client = new \Bitpay\Client\Client(); if (false === isset($client) && true === empty($client)) { $this->log(' [Error] The Bitpay payment plugin was called to handle an IPN but could not instantiate a client object.'); throw new \Exception('The Bitpay payment plugin was called to handle an IPN but could not instantiate a client object. Cannot continue!'); } else { $this->log(' [Info] Created new Client object in IPN handler...'); } if (false === strpos($json['url'], 'test')) { $network = new \Bitpay\Network\Livenet(); $this->log(' [Info] Set network to Livenet.'); } else { $network = new \Bitpay\Network\Testnet(); $this->log(' [Info] Set network to Testnet.'); } $this->log(' [Info] Checking IPN response is valid via ' . $network->getName() . '...'); $client->setNetwork($network); $curlAdapter = new \Bitpay\Client\Adapter\CurlAdapter(); if (false === isset($curlAdapter) && true === empty($curlAdapter)) { $this->log(' [Error] The Bitpay payment plugin was called to handle an IPN but could not instantiate a CurlAdapter object.'); throw new \Exception('The Bitpay payment plugin was called to handle an IPN but could not instantiate a CurlAdapter object. Cannot continue!'); } else { $this->log(' [Info] Created new CurlAdapter object in IPN handler...'); } // Setting the Adapter param to a new BitPay CurlAdapter object $client->setAdapter($curlAdapter); if (false === empty($this->api_key)) { $client->setPrivateKey($this->api_key); } else { $this->log(' [Error] The Bitpay payment plugin was called to handle an IPN but could not set client->setPrivateKey to this->api_key. The empty() check failed!'); throw new \Exception('The Bitpay payment plugin was called to handle an IPN but could not set client->setPrivateKey to this->api_key. The empty() check failed!'); } if (false === empty($this->api_pub)) { $client->setPublicKey($this->api_pub); } else { $this->log(' [Error] The Bitpay payment plugin was called to handle an IPN but could not set client->setPublicKey to this->api_pub. The empty() check failed!'); throw new \Exception('The Bitpay payment plugin was called to handle an IPN but could not set client->setPublicKey to this->api_pub. The empty() check failed!'); } if (false === empty($this->api_token)) { $client->setToken($this->api_token); } else { $this->log(' [Error] The Bitpay payment plugin was called to handle an IPN but could not set client->setToken to this->api_token. The empty() check failed!'); throw new \Exception('The Bitpay payment plugin was called to handle an IPN but could not set client->setToken to this->api_token. The empty() check failed!'); } $this->log(' [Info] Key and token empty checks passed. Parameters in client set accordingly...'); // Fetch the invoice from BitPay's server to update the order try { $invoice = $client->getInvoice($json['id']); if (true === isset($invoice) && false === empty($invoice)) { $this->log(' [Info] The IPN check appears to be valid.'); } else { $this->log(' [Error] The IPN check did not pass!'); wp_die('Invalid IPN'); } } catch (\Exception $e) { $error_string = 'IPN Check: Can\'t find invoice ' . $json['id']; $this->log(" [Error] {$error_string}"); $this->log(" [Error] " . $e->getMessage()); wp_die($e->getMessage()); } $order_id = $invoice->getOrderId(); if (false === isset($order_id) && true === empty($order_id)) { $this->log(' [Error] The Bitpay payment plugin was called to process an IPN message but could not obtain the order ID from the invoice.'); throw new \Exception('The Bitpay payment plugin was called to process an IPN message but could not obtain the order ID from the invoice. Cannot continue!'); } else { $this->log(' [Info] Order ID is: ' . $order_id); } // Creating a new WooCommerce Order object with $order_id $order = wc_get_order($order_id); if (false === isset($order) && true === empty($order)) { $this->log(' [Error] The Bitpay payment plugin was called to process an IPN message but could not retrieve the order details for order_id ' . $order_id); throw new \Exception('The Bitpay payment plugin was called to process an IPN message but could not retrieve the order details for order_id ' . $order_id . '. Cannot continue!'); } else { $this->log(' [Info] Order details retrieved successfully...'); } $current_status = $order->get_status(); if (false === isset($current_status) && true === empty($current_status)) { $this->log(' [Error] The Bitpay payment plugin was called to process an IPN message but could not obtain the current status from the order.'); throw new \Exception('The Bitpay payment plugin was called to process an IPN message but could not obtain the current status from the order. Cannot continue!'); } else { $this->log(' [Info] The current order status for this order is ' . $current_status); } $order_states = $this->get_option('order_states'); $new_order_status = $order_states['new']; $paid_status = $order_states['paid']; $confirmed_status = $order_states['confirmed']; $complete_status = $order_states['complete']; $invalid_status = $order_states['invalid']; $checkStatus = $invoice->getStatus(); if (false === isset($checkStatus) && true === empty($checkStatus)) { $this->log(' [Error] The Bitpay payment plugin was called to process an IPN message but could not obtain the current status from the invoice.'); throw new \Exception('The Bitpay payment plugin was called to process an IPN message but could not obtain the current status from the invoice. Cannot continue!'); } else { $this->log(' [Info] The current order status for this invoice is ' . $checkStatus); } // Based on the payment status parameter for this // IPN, we will update the current order status. switch ($checkStatus) { // The "paid" IPN message is received almost // immediately after the BitPay invoice is paid. case 'paid': $this->log(' [Info] IPN response is a "paid" message.'); if ($current_status == $complete_status || 'wc_' . $current_status == $complete_status || $current_status == 'completed') { $error_string = 'Paid IPN, but order has status: ' . $current_status; $this->log(" [Warning] {$error_string}"); } else { $this->log(' [Info] This order has not been updated yet so setting new status...'); $order->update_status($paid_status); $order->add_order_note(__('BitPay invoice paid. Awaiting network confirmation and payment completed status.', 'bitpay')); } break; // The "confirmed" status is sent when the payment is // confirmed based on your transaction speed setting. // The "confirmed" status is sent when the payment is // confirmed based on your transaction speed setting. case 'confirmed': $this->log(' [Info] IPN response is a "confirmed" message.'); if ($current_status == $complete_status || 'wc_' . $current_status == $complete_status || $current_status == 'completed') { $error_string = 'Confirmed IPN, but order has status: ' . $current_status; $this->log(" [Warning] {$error_string}"); } else { $this->log(' [Info] This order has not been updated yet so setting confirmed status...'); $order->update_status($confirmed_status); $order->add_order_note(__('BitPay invoice confirmed. Awaiting payment completed status.', 'bitpay')); } break; // The complete status is when the Bitcoin network // obtains 6 confirmations for this transaction. // The complete status is when the Bitcoin network // obtains 6 confirmations for this transaction. case 'complete': $this->log(' [Info] IPN response is a "complete" message.'); if ($current_status == $complete_status || 'wc_' . $current_status == $complete_status || $current_status == 'completed') { $error_string = 'Complete IPN, but order has status: ' . $current_status; $this->log(" [Warning] {$error_string}"); } else { $this->log(' [Info] This order has not been updated yet so setting complete status...'); $order->payment_complete(); $order->update_status($complete_status); $order->add_order_note(__('BitPay invoice payment completed. Payment credited to your merchant account.', 'bitpay')); } break; // This order is invalid for some reason. // Either it's a double spend or some other // problem occurred. // This order is invalid for some reason. // Either it's a double spend or some other // problem occurred. case 'invalid': $this->log(' [Info] IPN response is a "invalid" message.'); if ($current_status == $complete_status || 'wc_' . $current_status == $complete_status || $current_status == 'completed') { $error_string = 'Paid IPN, but order has status: ' . $current_status; $this->log(" [Warning] {$error_string}"); } else { $this->log(' [Info] This order has a problem so setting "invalid" status...'); $order->update_status($invalid_status, __('Bitcoin payment is invalid for this order! The payment was not confirmed by the network within 1 hour. Do not ship the product for this order!', 'bitpay')); } break; // There was an unknown message received. // There was an unknown message received. default: $this->log(' [Info] IPN response is an unknown message type. See error message below:'); $error_string = 'Unhandled invoice status: ' . $invoice->getStatus(); $this->log(" [Warning] {$error_string}"); } $this->log(' [Info] Leaving ipn_callback()...'); }
function bitpay_callback() { global $wpdb; try { if (isset($_GET['bitpay_callback'])) { $post = file_get_contents("php://input"); if (true === empty($post)) { return array('error' => 'No post data'); } $json = json_decode($post, true); if (true === is_string($json)) { return array('error' => $json); } if (false === array_key_exists('posData', $json)) { return array('error' => 'no posData'); } if (false === array_key_exists('id', $json)) { return 'Cannot find invoice ID'; } // Don't trust parameters from the scary internet. // Use invoice ID from the $json in getInvoice($invoice_id) and get status from that. $client = new \Bitpay\Client\Client(); $adapter = new \Bitpay\Client\Adapter\CurlAdapter(); $network = strpos($json['url'], 'test') === false ? new \Bitpay\Network\Livenet() : new \Bitpay\Network\Testnet(); $client->setAdapter($adapter); $client->setNetwork($network); // Checking invoice is valid... $response = $client->getInvoice($json['id']); $sessionid = $response->getPosData(); // get buyer email $sql = "SELECT * FROM `" . WPSC_TABLE_PURCHASE_LOGS . "` WHERE `sessionid`=" . $sessionid; $purchase_log = $wpdb->get_results($sql, ARRAY_A); $email_form_field = $wpdb->get_var("SELECT `id` FROM `" . WPSC_TABLE_CHECKOUT_FORMS . "` WHERE `type` IN ('email') AND `active` = '1' ORDER BY `checkout_order` ASC LIMIT 1"); $email = $wpdb->get_var($wpdb->prepare("SELECT `value` FROM `" . WPSC_TABLE_SUBMITTED_FORM_DATA . "` WHERE `log_id` = %d AND `form_id` = %d LIMIT 1", $purchase_log[0]['id'], $email_form_field)); // get cart contents $sql = "SELECT * FROM `" . WPSC_TABLE_CART_CONTENTS . "` WHERE `purchaseid`=" . $purchase_log[0]['id']; $cart_contents = $wpdb->get_results($sql, ARRAY_A); // get currency symbol $currency_id = get_option('currency_type'); $sql = "SELECT * FROM `" . WPSC_TABLE_CURRENCY_LIST . "` WHERE `id`=" . $currency_id; $currency_data = $wpdb->get_results($sql, ARRAY_A); $currency_symbol = $currency_data[0]['symbol']; // list products and individual prices in the email $message_product = "\r\n\r\nTransaction Details:\r\n\r\n"; $pnp = 0.0; $subtotal = 0.0; foreach ($cart_contents as $product) { // shipping for each item $pnp += $product['pnp']; $message_product .= 'x' . $product['quantity'] . ' ' . $product['name'] . ' - ' . $currency_symbol . $product['price'] * $product['quantity'] . "\r\n"; $subtotal += $product['price'] * $product['quantity']; } //list subtotal $subtotal = number_format($subtotal, 2, '.', ','); $message_product .= "\r\n" . 'Subtotal: ' . $currency_symbol . $subtotal . "\r\n"; //list total taxes and total shipping costs in the email $message_product .= 'Taxes: ' . $currency_symbol . $purchase_log[0]['wpec_taxes_total'] . "\r\n"; $message_product .= 'Shipping: ' . $currency_symbol . ($purchase_log[0]['base_shipping'] + $pnp) . "\r\n\r\n"; //display total price in the email $message_product .= 'Total Price: ' . $currency_symbol . $purchase_log[0]['totalprice']; switch ($response->getStatus()) { //For low and medium transaction speeds, the order status is set to "Order Received" . The customer receives //an initial email stating that the transaction has been paid. case 'paid': if (true === is_numeric($sessionid)) { $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `processed`= '2' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); $message = 'Thank you! Your payment has been received, but the transaction has not been confirmed on the bitcoin network. You will receive another email when the transaction has been confirmed.'; $message .= $message_product; $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `notes`= 'The payment has been received, but the transaction has not been confirmed on the bitcoin network. This will be updated when the transaction has been confirmed.' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); if (wp_mail($email, 'Payment Received', $message)) { $mail_sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `email_sent`= '1' WHERE `sessionid`=" . $sessionid; $wpdb->query($mail_sql); } transaction_results($sessionid, false); //false because this is just for email notification } break; //For low and medium transaction speeds, the order status will not change. For high transaction speed, the order //status is set to "Order Received" here. For all speeds, an email will be sent stating that the transaction has //been confirmed. //For low and medium transaction speeds, the order status will not change. For high transaction speed, the order //status is set to "Order Received" here. For all speeds, an email will be sent stating that the transaction has //been confirmed. case 'confirmed': if (true === is_numeric($sessionid)) { $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `processed`= '2' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); $mail_sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `email_sent`= '1' WHERE `sessionid`=" . $sessionid; //display initial "thank you" if transaction speed is high, as the 'paid' status is skipped on high speed if (get_option('bitpay_transaction_speed') == 'high') { $message = 'Thank you! Your payment has been received, and the transaction has been confirmed on the bitcoin network. You will receive another email when the transaction is complete.'; $message .= $message_product; $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `notes`= 'The payment has been received, and the transaction has been confirmed on the bitcoin network. This will be updated when the transaction has been completed.' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); if (wp_mail($email, 'Payment Received', $message)) { $wpdb->query($mail_sql); } } else { $message = 'Your transaction has now been confirmed on the bitcoin network. You will receive another email when the transaction is complete.'; $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `notes`= 'The payment has been received, and the transaction has been confirmed on the bitcoin network. This will be updated when the transaction has been completed.' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); if (wp_mail($email, 'Transaction Confirmed', $message)) { $wpdb->query($mail_sql); } } //false because this is just for email notification transaction_results($sessionid, false); } break; //The purchase receipt email is sent upon the invoice status changing to "complete", and the order //status is changed to Accepted Payment //The purchase receipt email is sent upon the invoice status changing to "complete", and the order //status is changed to Accepted Payment case 'complete': if (true === is_numeric($sessionid)) { $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `processed`= '3' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); $message = 'Your transaction is now complete! Thank you for using BitPay!'; $sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `notes`= 'The transaction is now complete.' WHERE `sessionid`=" . $sessionid; $wpdb->query($sql); if (wp_mail($email, 'Transaction Complete', $message)) { $mail_sql = "UPDATE `" . WPSC_TABLE_PURCHASE_LOGS . "` SET `email_sent`= '1' WHERE `sessionid`=" . $sessionid; $wpdb->query($mail_sql); } //false because this is just for email notification transaction_results($sessionid, false); } break; // END OF switch ($response->getStatus()) } } } catch (\Exception $e) { debuglog('[Error] In Bitpay plugin, form_bitpay() function on line ' . $e->getLine() . ', with the error "' . $e->getMessage() . '".'); throw $e; } }