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<?php /* PayPal integration for Green Forms */ if (!defined('UAP_CORE') && !defined('ABSPATH')) exit; class leform_paypal_class { var $default_parameters = array( "merchant-id" => "", "item-name" => "", "amount" => "", "currency" => "USD", "success-url" => "", "cancel-url" => "" ); var $currency_list = array("USD", "AUD", "BRL", "CAD", "CHF", "CZK", "DKK", "EUR", "GBP", "HKD", "HUF", "ILS", "JPY", "MXN", "MYR", "NOK", "NZD", "PHP", "PLN", "RUB", "SEK", "SGD", "THB", "TRY", "TWD"); function __construct() { if (is_admin()) { add_filter('leform_payment_providers', array(&$this, 'providers'), 10, 1); add_action('wp_ajax_leform-paypal-settings-html', array(&$this, "admin_settings_html")); add_filter('leform_payment_gateways_transaction_html_paypal', array(&$this, 'admin_details'), 10, 3); } add_filter('leform_payment_gateways_do_paypal', array(&$this, 'front_submit'), 10, 2); add_action("init", array(&$this, "front_init")); } function providers($_providers) { if (!array_key_exists("paypal", $_providers)) $_providers["paypal"] = esc_html__('PayPal', 'leform'); return $_providers; } function admin_settings_html() { global $wpdb, $leform; if (current_user_can('manage_options')) { if (array_key_exists('data', $_REQUEST)) { $data = json_decode(base64_decode(trim(stripslashes($_REQUEST['data']))), true); if (is_array($data)) $data = array_merge($this->default_parameters, $data); else $data = $this->default_parameters; } else $data = $this->default_parameters; $checkbox_id = $leform->random_string(); $html = ' <div class="leform-properties-item"> <div class="leform-properties-label"> <label>'.esc_html__('PayPal ID', 'leform').'</label> </div> <div class="leform-properties-tooltip"> <i class="fas fa-question-circle leform-tooltip-anchor"></i> <div class="leform-tooltip-content">'.esc_html__('Please enter a valid PayPal email or Merchant ID. All payments are sent to this account.', 'leform').'</div> </div> <div class="leform-properties-content"> <input type="text" name="merchant-id" value="'.esc_html($data['merchant-id']).'" /> </div> </div> <div class="leform-properties-item"> <div class="leform-properties-label"> <label>'.esc_html__('Item name', 'leform').'</label> </div> <div class="leform-properties-tooltip"> <i class="fas fa-question-circle leform-tooltip-anchor"></i> <div class="leform-tooltip-content">'.esc_html__('Please enter the item name.', 'leform').'</div> </div> <div class="leform-properties-content"> <div class="leform-input-shortcode-selector"> <input type="text" name="item-name" value="'.(empty($data['item-name']) ? esc_html__('Membership Fee', 'leform') : esc_html($data['item-name'])).'" /> <div class="leform-shortcode-selector" onmouseover="leform_shortcode_selector_set(this)";><span><i class="fas fa-code"></i></span></div> </div> </div> </div> <div class="leform-properties-item"> <div class="leform-properties-label"> <label>'.esc_html__('Amount', 'leform').'</label> </div> <div class="leform-properties-tooltip"> <i class="fas fa-question-circle leform-tooltip-anchor"></i> <div class="leform-tooltip-content">'.esc_html__('Set amount to pay and currency.', 'leform').'</div> </div> <div class="leform-properties-content"> <div class="leform-properties-group"> <div class="leform-properties-content-9dimes leform-input-shortcode-selector"> <input type="text" name="amount" value="'.esc_html($data['amount']).'" /> <div class="leform-shortcode-selector" onmouseover="leform_shortcode_selector_set(this)";><span><i class="fas fa-code"></i></span></div> </div> <div class="leform-properties-content-dime"> <select name="currency" class="leform-100px">'; foreach ($this->currency_list as $currency) { $html .= '<option value="'.esc_html($currency).'"'.($data['currency'] == $currency ? ' selected="selected"' : '').'>'.esc_html($currency).'</option>'; } $html .= ' </select> </div> </div> </div> </div> <div class="leform-properties-item"> <div class="leform-properties-label"> <label>'.esc_html__('Successful payment URL', 'leform').'</label> </div> <div class="leform-properties-tooltip"> <i class="fas fa-question-circle leform-tooltip-anchor"></i> <div class="leform-tooltip-content">'.esc_html__('All payers are redirected to this URL after successful payment.', 'leform').'</div> </div> <div class="leform-properties-content"> <div class="leform-input-shortcode-selector"> <input type="text" name="success-url" value="'.esc_html($data['success-url']).'" /> <div class="leform-shortcode-selector" onmouseover="leform_shortcode_selector_set(this)";><span><i class="fas fa-code"></i></span></div> </div> </div> </div> <div class="leform-properties-item"> <div class="leform-properties-label"> <label>'.esc_html__('Cancel URL', 'leform').'</label> </div> <div class="leform-properties-tooltip"> <i class="fas fa-question-circle leform-tooltip-anchor"></i> <div class="leform-tooltip-content">'.esc_html__('All payers are redirected to this URL in case of failed/cancelled payment.', 'leform').'</div> </div> <div class="leform-properties-content"> <div class="leform-input-shortcode-selector"> <input type="text" name="cancel-url" value="'.esc_html($data['cancel-url']).'" /> <div class="leform-shortcode-selector" onmouseover="leform_shortcode_selector_set(this)";><span><i class="fas fa-code"></i></span></div> </div> </div> </div>'; $return_object = array(); $return_object['status'] = 'OK'; $return_object['html'] = $html; echo json_encode($return_object); } exit; } function front_submit($_result, $_data) { global $wpdb, $leform; $data = array_merge($this->default_parameters, $_data); if (empty($data['merchant-id'])) return $_result; $data['amount'] = $leform->extract_number($data['amount']); if (empty($data['amount']) || !is_numeric($data['amount']) || $data['amount'] <= 0) return $_result; $html = ' <form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top" style="display: none !important;"> <input type="hidden" name="cmd" value="_xclick"> <input type="hidden" name="charset" value="utf-8"> <input type="hidden" name="business" value="'.esc_html($data['merchant-id']).'"> <input type="hidden" name="no_shipping" value="1"> <input type="hidden" name="rm" value="2"> <input type="hidden" name="item_name" value="'.(!empty($data['item-name']) ? esc_html($data['item-name']) : 'Fee').'"> <input type="hidden" name="item_number" value="'.esc_html($data["record-id"]).'"> <input type="hidden" name="amount" value="'.esc_html(number_format($data['amount'], 2, '.', '')).'"> <input type="hidden" name="currency_code" value="'.esc_html($data["currency"]).'"> <input type="hidden" name="bn" value="PP-BuyNowBF:btn_buynow_LG.gif:NonHostedGuest"> <input type="hidden" name="return" value="'.(empty($data['success-url']) ? esc_html($_SERVER["HTTP_REFERER"]) : esc_html($data['success-url'])).'"> <input type="hidden" name="cancel_return" value="'.(empty($data['cancel-url']) ? esc_html($_SERVER["HTTP_REFERER"]) : esc_html($data['cancel-url'])).'"> <input type="hidden" name="notify_url" value="'.(defined('UAP_CORE') ? esc_html(admin_url('do.php').'?leform-ipn=paypal') : esc_html(get_bloginfo('url').'/?leform-ipn=paypal')).'"> <input type="submit" class="leform-pay" value="Submit"> </form>'; $result = array('status' => 'OK', 'form' => $html, 'amount' => number_format($data['amount'], 2, '.', ''), 'currency' => $data["currency"], 'gateway-id' => $data['id']); return $result; } function front_init() { global $wpdb, $leform; $form_object = null; if (array_key_exists('leform-ipn', $_REQUEST) && $_REQUEST['leform-ipn'] == 'paypal') { $request = "cmd=_notify-validate"; $transaction_details = array(); foreach ($_POST as $key => $value) { $transaction_details[$key] = stripslashes($value); $value = urlencode(stripslashes($value)); $request .= "&".$key."=".$value; } $url = 'https://ipnpb.paypal.com/cgi-bin/webscr'; // 'https://ipnpb.sandbox.paypal.com/cgi-bin/webscr' $ch = curl_init($url); curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $request); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); curl_setopt($ch, CURLOPT_FORBID_REUSE, true); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Connection: Close', 'User-Agent: Green Forms')); $result = curl_exec($ch); curl_close($ch); if (substr(trim($result), 0, 8) != "VERIFIED") die(); if (array_key_exists('num_cart_items', $_POST)) { $item_id = stripslashes($_POST['item_number1']); $item_name = stripslashes($_POST['item_name1']); $gross_total = stripslashes($_POST['mc_gross_1']); } else { $item_id = stripslashes($_POST['item_number']); $item_name = stripslashes($_POST['item_name']); $gross_total = stripslashes($_POST['mc_gross']); } $item_id = intval($item_id); $payment_status = stripslashes($_POST['payment_status']); $transaction_type = stripslashes($_POST['txn_type']); $txn_id = stripslashes($_POST['txn_id']); $seller_paypal = stripslashes($_POST['business']); $seller_id = stripslashes($_POST['receiver_id']); $payer_id = stripslashes($_POST['payer_email']); $mc_currency = stripslashes($_POST['mc_currency']); $payer_name = stripslashes($_POST['first_name']).' '.stripslashes($_POST['last_name']); if ($transaction_type == "web_accept" && $payment_status == "Completed") { $record_details = $wpdb->get_row("SELECT t1.*, t2.name AS form_name, t2.options AS form_options, t2.elements AS form_elements FROM ".$wpdb->prefix."leform_records t1 LEFT JOIN ".$wpdb->prefix."leform_forms t2 ON t2.id = t1.form_id WHERE t1.deleted = '0' AND t1.id = '".esc_sql(intval($item_id))."'", ARRAY_A); if (!$record_details || !is_array($record_details) || !array_key_exists('gateway_id', $record_details)) $payment_status = "Error: no record"; else { if (!class_exists("leform_form")) include_once(dirname(__FILE__).'/core-form.php'); $form_object = new leform_form(intval($record_details['form_id'])); if (empty($form_object->id)) $payment_status = "Error: no form"; else { $payment_gateway = $form_object->get_payment_gateway($record_details['gateway_id']); if (empty($payment_gateway) || !is_array($payment_gateway)) $payment_status = "Error: no payment gateway"; else { if (empty($seller_paypal)) { $tx_details = $wpdb->get_row("SELECT * FROM ".$wpdb->prefix."leform_transactions WHERE txn_id = '".esc_sql($txn_id)."' AND payment_status NOT LIKE 'Error%'", ARRAY_A); if (intval($tx_details["id"]) != 0) $seller_paypal = $payment_gateway['data']['merchant-id']; } if ((strtolower($seller_paypal) != strtolower($payment_gateway['data']['merchant-id'])) && (strtolower($seller_id) != strtolower($payment_gateway['data']['merchant-id']))) $payment_status = "Error: invalid recipient"; else { if (floatval($gross_total) < floatval($record_details["amount"]) || $mc_currency != $record_details["currency"]) $payment_status = "Error: invalid amount"; } } } } } $sql = "INSERT INTO ".$wpdb->prefix."leform_transactions (record_id, provider, payer_name, payer_email, gross, currency, payment_status, transaction_type, txn_id, details, created, deleted ) VALUES ( '".$item_id."', 'paypal', '".esc_sql($payer_name)."', '".esc_sql($payer_id)."', '".esc_sql(floatval($gross_total))."', '".esc_sql($mc_currency)."', '".esc_sql($payment_status)."', '".esc_sql($transaction_type)."', '".esc_sql($txn_id)."', '".esc_sql(json_encode($transaction_details))."', '".esc_sql(time())."', '0' )"; $wpdb->query($sql); if ($payment_status == "Completed") { $datestamp = date('Ymd'); $timestamp = date('h'); $stats_details = $wpdb->get_row("SELECT * FROM ".$wpdb->prefix."leform_stats WHERE form_id = '".esc_sql($form_object->id)."' AND datestamp = '".esc_sql($datestamp)."' AND timestamp = '".esc_sql($timestamp)."'", ARRAY_A); if (!empty($stats_details)) { $wpdb->query("UPDATE ".$wpdb->prefix."leform_stats SET payments = payments + 1 WHERE id = '".esc_sql($stats_details['id'])."'"); } else { $wpdb->query("INSERT INTO ".$wpdb->prefix."leform_stats (form_id, impressions, submits, confirmed, payments, datestamp, timestamp, deleted) VALUES ('".esc_sql($form_object->id)."', '0', '0', '0', '1', '".esc_sql($datestamp)."', '".esc_sql($timestamp)."', '0')"); } $wpdb->query("UPDATE ".$wpdb->prefix."leform_records SET status = '".esc_sql(LEFORM_RECORD_STATUS_PAID)."' WHERE id = '".esc_sql($item_id)."'"); $form_object->form_data = json_decode($record_details['fields'], true); $form_object->form_info = json_decode($record_details['info'], true); $form_object->record_id = $record_details['id']; $form_object->do_notifications("payment-success", array('payment-amount' => $gross_total, 'payment-currency' => $mc_currency, 'payment-status' => $payment_status)); $form_object->do_integrations("payment-success"); do_action('leform_successfully_paid', $form_object); } else { $wpdb->query("UPDATE ".$wpdb->prefix."leform_records SET status = '".esc_sql(LEFORM_RECORD_STATUS_UNPAID)."' WHERE id = '".esc_sql($item_id)."'"); if (!empty($form_object) && !empty($form_object->id)) { $form_object->form_data = json_decode($record_details['fields'], true); $form_object->form_info = json_decode($record_details['info'], true); $form_object->record_id = $record_details['id']; $form_object->do_notifications("payment-fail", array('payment-amount' => $gross_total, 'payment-currency' => $mc_currency, 'payment-status' => $payment_status)); $form_object->do_integrations("payment-fail"); do_action('leform_unsuccessfully_paid', $form_object); } } exit; } } function admin_details($_html, $_transaction_details, $_pdf = false) { global $wpdb, $leform; $html = $_html; $details = json_decode($_transaction_details['details'], true); $html = ' <table class="leform-record-details-table">'; foreach($details as $key => $value) { $html .= ' <tr><td class="leform-record-details-table-name"'.($_pdf ? ' style="width:33%;"' : '').'>'.esc_html($key).'</td><td class="leform-record-details-table-value"'.($_pdf ? ' style="width:67%;"' : '').'>'.esc_html(urldecode($value)).'</td></tr>'; } $html .= ' </table>'; return $html; } } $leform_paypal = new leform_paypal_class(); ?>