/**
* validates a single shipping band
*/
private static function validate_shipping_band($band, $band_index, $default)
{
$details = array();
if (isset($band["name_" . $band_index]) && trim($band["name_" . $band_index]) !== "" && isset($band["band_id_" . $band_index]) && trim($band["band_id_" . $band_index]) !== "") {
$regions = parent::get_shipping_regions();
foreach ($regions as $region_code => $region_data) {
// get shorthand for array indexes
$s1 = "shipping_one_" . $region_code . "_" . $band_index;
$sm = "shipping_multiple_" . $region_code . "_" . $band_index;
if (isset($band[$s1]) && trim($band[$s1]) !== "" && isset($band[$sm]) && trim($band[$sm]) !== "") {
$details[$region_code] = array();
$details[$region_code]["shipping_one"] = SimplePayPalPluginAdmin::dec2($band[$s1]);
$details[$region_code]["shipping_multiple"] = SimplePayPalPluginAdmin::dec2($band[$sm]);
}
}
if (count($details)) {
$details["name"] = trim($band["name_" . $band_index]);
$details["band_id"] = $band["band_id_" . $band_index];
$details["default"] = $default == $band_index ? 1 : 0;
$details["additional_free"] = isset($band["additional_free_" . $band_index]) ? 1 : 0;
}
}
return $details;
}
/**
* gets form controls for custom paypal box
*/
public static function get_custom_paypal_box()
{
global $post;
$paypal = self::get_paypal_meta($post->ID);
$options = self::get_paypal_options();
/* make sure options ahve been saved */
if (empty(self::options_errors())) {
/* Use nonce for verification */
printf('<div class="paypal-options"><input type="hidden" name="paypal_meta" id="paypal_meta" value="%s" />', wp_create_nonce('paypal_meta'));
/* left column */
printf('<p><label for="paypal_name">%s: </label><input type="text" id="paypal_name" name="paypal_name" value="%s" size="25" /></p>', __('Name of item', 'sppp'), $paypal["name"]);
printf('<p><label for="paypal_code">%s: </label><input type="text" id="paypal_code" name="paypal_code" value="%s" size="25" /></p>', __('Item code', 'sppp'), $paypal["code"]);
printf('<p><label for="paypal_price">%s: </label><input type="text" id="paypal_price" name="paypal_price" value="%s" size="5" /></p>', __('Price', 'sppp'), $paypal["price"]);
$chckd = isset($paypal["includes_vat"]) && $paypal["includes_vat"] === true ? ' checked' : '';
printf('<p class="inc-vat"><label for="includes_vat" class="cbx"><input type="checkbox" class="vat-cbx" id="includes_vat" name="includes_vat" value="1"%s /> %s</label></p>', $chckd, __('Check this box if the price includes VAT', 'sppp'));
$chckd = isset($paypal["exempt_vat"]) && $paypal["exempt_vat"] === true ? ' checked' : '';
printf('<p class="vat-ex"><label for="exempt_vat" class="cbx"><input type="checkbox" class="vat-cbx" id="exempt_vat" name="exempt_vat" value="1"%s /> %s</label></p>', $chckd, __('Check this box if the item is VAT exempt', 'sppp'));
$current_method = SimplePayPalPluginAdmin::get_selected_shipping_method();
call_user_func_array($current_method["item_form_callback"], array($options, $paypal["shipping_settings"]));
printf('<p><label for="paypal_stock">%s: </label><input type="text" id="paypal_stock" name="paypal_stock" value="%s" size="5" /></p>', __('Stock (either the number of items or a message about availability)', 'sppp'), $paypal["stock"]);
print '<div class="clear"> </div></div>';
} else {
printf('<p>Please <a href="%s">visit the Paypal Options page</a> to configure the plugin.</p>', admin_url('admin.php?page=sppp_options'));
}
}
/**
* function to process Instant Payment Notifications from Paypal
*/
public static function processIPN()
{
$options = SimplePayPalPluginAdmin::get_paypal_options();
$ppHost = isset($_POST['test_ipn']) ? $options["paypal_sandbox_url"] : $options["paypal_url"];
$req = 'cmd=_notify-validate';
$ipn_data = array();
/* prepare echo */
foreach ($_POST as $key => $value) {
$value = urlencode(stripslashes($value));
$req .= "&" . $key . "=" . $value;
$ipn_data[$key] = urldecode($value);
}
/* Validate IPN with PayPal using curl */
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $ppHost);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $req);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded", "Content-Length: " . strlen($req)));
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
$curl_result = @curl_exec($ch);
$curl_err = curl_error($ch);
$curl_info = curl_getinfo($ch);
$ci = "";
foreach ($curl_info as $k => $v) {
$ci .= $k . " : " . $v . "\n";
}
/* are we verified? If so, let's process the IPN */
if (strpos($curl_result, "VERIFIED") !== false) {
/* decrease stock levels of items */
$i = 1;
while (isset($_POST["item_number" . $i])) {
if (isset($_POST["quantity" . $i])) {
$paypal = SimplePaypalPluginAdmin::get_paypal_meta($_POST["item_number" . $i]);
if ($paypal["stock_no"] > 0) {
$paypal["stock"] = $paypal["stock_no"] - (int) $_POST["quantity" . $i];
if ($paypal["stock"] < 0) {
$paypal["stock"] = 0;
}
update_post_meta($_POST["item_number" . $i], 'sppp', $paypal);
update_post_meta($_POST["item_number" . $i], 'sppp-stock', $paypal["stock"]);
}
}
$i++;
}
/* store IPN in database */
global $wpdb;
$txn_id = isset($ipn_data["txn_id"]) ? $ipn_data["txn_id"] : '';
$txn_type = isset($ipn_data["txn_type"]) ? $ipn_data["txn_type"] : '';
$mc_gross = isset($ipn_data["mc_gross"]) ? $ipn_data["mc_gross"] : '';
$tablename = self::get_payments_tablename();
$wpdb->insert($tablename, array("payment_date" => time(), "payment_ipn" => serialize($ipn_data), "txn_id" => $txn_id, "txn_type" => $txn_type, "mc_gross" => $mc_gross), array("%d", "%s", "%s", "%s", "%s"));
}
if (is_email($options["paypal_ipn_email"])) {
wp_mail($options["paypal_ipn_email"], "IPN CURL report", "CURL result: " . $curl_result . "\n\nCURL error: " . $curl_err . "\n\nCURL info: " . $ci . "\n\nIPN:\n\n" . $req, "From: " . $options["paypal_email"] . "\r\nReply-To: " . $options["paypal_email"] . "\r\n");
}
curl_close($ch);
}
