/**
* Handles ClickBank® Return URL processing.
*
* @package optimizeMember\ClickBank
* @since 1.5
*
* @attaches-to ``add_action("init");``
*
* @return null Or exits script execution after redirection.
*/
public static function clickbank_return()
{
global $current_site, $current_blog;
if (!empty($_GET["optimizemember_pro_clickbank_return"]) && $GLOBALS["WS_PLUGIN__"]["optimizemember"]["o"]["pro_clickbank_username"]) {
if (is_array($clickbank = c_ws_plugin__optimizemember_pro_clickbank_utilities::clickbank_postvars()) && ($_clickbank = $clickbank)) {
$clickbank["optimizemember_log"][] = "Return-Data received on: " . date("D M j, Y g:i:s a T");
$clickbank["optimizemember_log"][] = "optimizeMember POST vars verified with ClickBank®.";
$clickbank["optimizemember_log"][] = "Sleeping for 5 seconds. Giving ClickBank® a chance to finalize processing.";
sleep(5);
$clickbank["optimizemember_log"][] = "Awake. It's " . date("D M j, Y g:i:s a T") . ". Processing will continue.";
if (is_array($order = json_decode(c_ws_plugin__optimizemember_utils_urls::remote("https://api.clickbank.com/rest/1.3/orders/" . $clickbank["cbreceipt"], false, array_merge(c_ws_plugin__optimizemember_pro_clickbank_utilities::clickbank_api_headers(), array("timeout" => 20))), true)) && ($order = $order["orderData"])) {
if (isset($order[0]) && is_array($order[0])) {
$order = $order[0];
}
// If there is more than one, we only want the first one.
$clickbank["optimizemember_log"][] = "Order API variables have been obtained from ClickBank®.";
$s2vars = c_ws_plugin__optimizemember_pro_clickbank_utilities::clickbank_parse_s2vars(http_build_query($clickbank, null, "&"), $order["txnType"]);
if (isset($s2vars["s2_p1"], $s2vars["s2_p3"]) && $s2vars["s2_p1"] === "0 D") {
$s2vars["s2_p1"] = $s2vars["s2_p3"];
}
$clickbank["s2vars"] = $s2vars;
if (strcasecmp($order["firstName"] . " " . $order["lastName"], $order["customerDisplayName"]) !== 0 && preg_match("/([^ ]+)( +)([^ ]+)/", $order["customerDisplayName"])) {
list($order["firstName"], $order["lastName"]) = preg_split("/ +/", $order["customerDisplayName"], 2);
}
if (preg_match("/^(TEST_)?SALE\$/i", $order["txnType"]) && !isset($s2vars["s2_p1"], $s2vars["s2_p3"])) {
$clickbank["optimizemember_log"][] = "ClickBank® transaction identified as ( `SALE/STANDARD` ).";
$clickbank["optimizemember_log"][] = "Return-Data reformulated. Piping through optimizeMember's core/standard PayPal® processor as `txn_type` ( `web_accept` ).";
$clickbank["optimizemember_log"][] = "Please check PayPal® RTN logs for further processing details.";
$rtn = array();
// Reset.
$rtn["txn_type"] = "web_accept";
$rtn["txn_id"] = $order["receipt"];
$rtn["custom"] = $s2vars["s2_custom"];
$rtn["mc_gross"] = number_format($order["amount"], 2, ".", "");
$rtn["mc_currency"] = strtoupper($order["currency"]);
$rtn["tax"] = "0.00";
// No tax.
$rtn["payer_email"] = $order["email"];
$rtn["first_name"] = ucwords(strtolower($order["firstName"]));
$rtn["last_name"] = ucwords(strtolower($order["lastName"]));
$rtn["option_name1"] = $s2vars["s2_referencing"] ? "Referencing Customer ID" : "Originating Domain";
$rtn["option_selection1"] = $s2vars["s2_referencing"] ? $s2vars["s2_referencing"] : $_SERVER["HTTP_HOST"];
$rtn["option_name2"] = "Customer IP Address";
$rtn["option_selection2"] = $s2vars["s2_customer_ip"];
$rtn["item_number"] = $s2vars["s2_invoice"];
$rtn["item_name"] = $s2vars["s2_desc"];
$rtn_q = "&optimizemember_paypal_proxy=clickbank&optimizemember_paypal_proxy_use=standard-emails";
if (!empty($_GET["optimizemember_pro_clickbank_return_success"])) {
$rtn_q .= "&optimizemember_paypal_return_success=" . rawurlencode(trim(stripslashes($_GET["optimizemember_pro_clickbank_return_success"])));
}
$rtn_r = add_query_arg(urlencode_deep($rtn), site_url("/?optimizemember_pro_clickbank_return&optimizemember_paypal_return=1" . $rtn_q));
$rtn_r = c_ws_plugin__optimizemember_utils_urls::add_optimizemember_sig($rtn_r, "optimizemember_paypal_proxy_verification");
$clickbank["optimizemember_log"][] = $rtn_r;
wp_redirect($rtn_r);
} else {
if (preg_match("/^(TEST_)?SALE\$/i", $order["txnType"]) && isset($s2vars["s2_p1"], $s2vars["s2_p3"])) {
$clickbank["optimizemember_log"][] = "ClickBank® transaction identified as ( `SALE/RECURRING` ).";
$clickbank["optimizemember_log"][] = "Return-Data reformulated. Piping through optimizeMember's core/standard PayPal® processor as `txn_type` ( `subscr_signup` ).";
$clickbank["optimizemember_log"][] = "Please check PayPal® RTN logs for further processing details.";
$rtn = array();
// Reset.
$rtn["txn_type"] = "subscr_signup";
$rtn["subscr_id"] = $s2vars["s2_subscr_id"];
$rtn["recurring"] = $order["futurePayments"] > 1 ? "1" : "0";
$rtn["txn_id"] = $order["receipt"];
$rtn["custom"] = $s2vars["s2_custom"];
$rtn["period1"] = $s2vars["s2_p1"];
$rtn["period3"] = $s2vars["s2_p3"];
$rtn["mc_amount1"] = number_format($order["amount"], 2, ".", "");
$rtn["mc_amount3"] = @number_format($order["rebillAmount"], 2, ".", "");
$rtn["mc_currency"] = strtoupper($order["currency"]);
$rtn["tax"] = "0.00";
// No tax.
$rtn["payer_email"] = $order["email"];
$rtn["first_name"] = ucwords(strtolower($order["firstName"]));
$rtn["last_name"] = ucwords(strtolower($order["lastName"]));
$rtn["option_name1"] = $s2vars["s2_referencing"] ? "Referencing Customer ID" : "Originating Domain";
$rtn["option_selection1"] = $s2vars["s2_referencing"] ? $s2vars["s2_referencing"] : $_SERVER["HTTP_HOST"];
$rtn["option_name2"] = "Customer IP Address";
$rtn["option_selection2"] = $s2vars["s2_customer_ip"];
$rtn["item_number"] = $s2vars["s2_invoice"];
$rtn["item_name"] = $s2vars["s2_desc"];
$rtn_q = "&optimizemember_paypal_proxy=clickbank&optimizemember_paypal_proxy_use=standard-emails";
if (!empty($_GET["optimizemember_pro_clickbank_return_success"])) {
$rtn_q .= "&optimizemember_paypal_return_success=" . rawurlencode(trim(stripslashes($_GET["optimizemember_pro_clickbank_return_success"])));
}
$rtn_r = add_query_arg(urlencode_deep($rtn), site_url("/?optimizemember_pro_clickbank_return&optimizemember_paypal_return=1" . $rtn_q));
$rtn_r = c_ws_plugin__optimizemember_utils_urls::add_optimizemember_sig($rtn_r, "optimizemember_paypal_proxy_verification");
$clickbank["optimizemember_log"][] = $rtn_r;
wp_redirect($rtn_r);
} else {
$clickbank["optimizemember_log"][] = "Unexpected txnType. The ClickBank® txnType did not match a required action.";
$clickbank["optimizemember_log"][] = "Redirecting Customer to the Home Page, due to an error that occurred.";
echo '<script type="text/javascript">' . "\n";
echo "alert('" . c_ws_plugin__optimizemember_utils_strings::esc_js_sq(_x("ERROR: Unexpected txnType. Please contact Support for assistance.\n\nThe ClickBank® txnType did not match a required action.", "optimizemember-front", "optimizemember")) . "');" . "\n";
echo "window.location = '" . c_ws_plugin__optimizemember_utils_strings::esc_js_sq(home_url("/")) . "';";
echo '</script>' . "\n";
}
}
} else {
$clickbank["optimizemember_log"][] = "Unable to obtain API vars. The ClickBank® API may NOT have data for this order yet. Or, your ClickBank® API Keys are NOT configured properly under `optimizeMember -› ClickBank® Options`.";
$clickbank["optimizemember_log"][] = var_export($_REQUEST, true);
// Recording ``$_POST`` + ``$_GET`` vars for analysis and debugging.
$clickbank["optimizemember_log"][] = "Return-Data reformulated. Piping through optimizeMember's core/standard PayPal® processor with `proxy_use` ( `ty-email` ).";
$clickbank["optimizemember_log"][] = "Please check PayPal® RTN logs for further processing details.";
$rtn_q = "&optimizemember_paypal_proxy=clickbank&optimizemember_paypal_proxy_use=standard-emails,ty-email";
if (!empty($_GET["optimizemember_pro_clickbank_return_success"])) {
$rtn_q .= "&optimizemember_paypal_return_success=" . rawurlencode(trim(stripslashes($_GET["optimizemember_pro_clickbank_return_success"])));
}
$rtn_r = site_url("/?optimizemember_pro_clickbank_return&optimizemember_paypal_return=1" . $rtn_q);
$rtn_r = c_ws_plugin__optimizemember_utils_urls::add_optimizemember_sig($rtn_r, "optimizemember_paypal_proxy_verification");
$clickbank["optimizemember_log"][] = $rtn_r;
wp_redirect($rtn_r);
}
} else {
$clickbank["optimizemember_log"][] = "Unable to verify POST vars. This is most likely related to an invalid ClickBank® configuration. Please check: optimizeMember -› ClickBank® Options.";
$clickbank["optimizemember_log"][] = "If you're absolutely SURE that your ClickBank® configuration is valid, you may want to run some tests on your server, just to be sure \$_POST variables are populated, and that your server is able to connect to ClickBank® over an HTTPS connection.";
$clickbank["optimizemember_log"][] = "optimizeMember uses the WP_Http class for remote connections; which will try to use cURL first, and then fall back on the FOPEN method when cURL is not available. On a Windows® server, you may have to disable your cURL extension. Instead, set allow_url_fopen = yes in your php.ini file. The cURL extension (usually) does NOT support SSL connections on a Windows® server.";
$clickbank["optimizemember_log"][] = var_export($_REQUEST, true);
// Recording _POST + _GET vars for analysis and debugging.
$clickbank["optimizemember_log"][] = "Redirecting Customer to the Home Page, due to an error that occurred.";
echo '<script type="text/javascript">' . "\n";
echo "alert('" . c_ws_plugin__optimizemember_utils_strings::esc_js_sq(_x("ERROR: Unable to verify POST vars. Please contact Support for assistance.\n\nThis is most likely related to an invalid ClickBank® configuration. If you are the site owner, please check: optimizeMember -› ClickBank® Options.", "optimizemember-front", "optimizemember")) . "');" . "\n";
echo "window.location = '" . c_ws_plugin__optimizemember_utils_strings::esc_js_sq(home_url("/")) . "';";
echo '</script>' . "\n";
}
$logt = c_ws_plugin__optimizemember_utilities::time_details();
$logv = c_ws_plugin__optimizemember_utilities::ver_details();
$logm = c_ws_plugin__optimizemember_utilities::mem_details();
$log4 = $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"] . "\nUser-Agent: " . $_SERVER["HTTP_USER_AGENT"];
$log4 = is_multisite() && !is_main_site() ? ($_log4 = $current_blog->domain . $current_blog->path) . "\n" . $log4 : $log4;
$log2 = is_multisite() && !is_main_site() ? "clickbank-rtn-4-" . trim(preg_replace("/[^a-z0-9]/i", "-", $_log4), "-") . ".log" : "clickbank-rtn.log";
if ($GLOBALS["WS_PLUGIN__"]["optimizemember"]["o"]["gateway_debug_logs"]) {
if (is_dir($logs_dir = $GLOBALS["WS_PLUGIN__"]["optimizemember"]["c"]["logs_dir"])) {
if (is_writable($logs_dir) && c_ws_plugin__optimizemember_utils_logs::archive_oversize_log_files()) {
file_put_contents($logs_dir . "/" . $log2, "LOG ENTRY: " . $logt . "\n" . $logv . "\n" . $logm . "\n" . $log4 . "\n" . c_ws_plugin__optimizemember_utils_logs::conceal_private_info(var_export($clickbank, true)) . "\n\n", FILE_APPEND);
}
}
}
exit;
// Exit now.
}
}
