/**
* Handles PayPal Return URLs.
*
* @package optimizeMember\PayPal
* @since 3.5
*
* @attaches-to ``add_action("init");``
*
* @return null Or exits script execution after redirection.
*/
public static function paypal_return()
{
global $current_site, $current_blog;
/* For Multisite support. */
/**/
do_action("ws_plugin__optimizemember_before_paypal_return", get_defined_vars());
/**/
if (!empty($_GET["optimizemember_paypal_return"]) && ($GLOBALS["WS_PLUGIN__"]["optimizemember"]["o"]["paypal_business"] || !empty($_GET["optimizemember_paypal_proxy"]))) {
$paypal = array();
// Initialize PayPal array; we also reference this with a variable for a possible proxy handler.
if (!empty($_GET["optimizemember_paypal_proxy"]) && in_array($_GET["optimizemember_paypal_proxy"], array("alipay", "stripe", "authnet", "clickbank", "ccbill", "google"), TRUE)) {
${esc_html(trim(stripslashes($_GET["optimizemember_paypal_proxy"])))} =& $paypal;
}
// Internal alias by reference.
$custom_success_redirection = !empty($_GET["optimizemember_paypal_return_success"]) ? esc_html(trim(stripslashes($_GET["optimizemember_paypal_return_success"]))) : false;
$custom_success_redirection = $custom_success_redirection ? str_ireplace(array("&", "&"), "&", $custom_success_redirection) : $custom_success_redirection;
/**/
if (is_array($paypal = c_ws_plugin__optimizemember_paypal_utilities::paypal_postvars()) && ($_paypal = $paypal) && ($_paypal_s = serialize($_paypal))) {
$paypal["optimizemember_log"][] = "Return-Data received on: " . date("D M j, Y g:i:s a T");
$paypal["optimizemember_log"][] = "optimizeMember POST vars verified " . (!empty($paypal["proxy_verified"]) ? "with a Proxy Key" : "through a POST back to PayPal.");
/**/
$paypal["subscr_gateway"] = !empty($_GET["optimizemember_paypal_proxy"]) ? esc_html(trim(stripslashes($_GET["optimizemember_paypal_proxy"]))) : "paypal";
/**/
if (empty($_GET["optimizemember_paypal_proxy"]) || empty($_GET["optimizemember_paypal_proxy_use"]) || !preg_match("/ty-email/", $_GET["optimizemember_paypal_proxy_use"])) {
$payment_status_issues = "/^(failed|denied|expired|refunded|partially_refunded|reversed|reversal|canceled_reversal|voided)\$/i";
/**/
if (!empty($paypal["custom"]) && preg_match("/^" . preg_quote(preg_replace("/\\:([0-9]+)\$/", "", $_SERVER["HTTP_HOST"]), "/") . "/i", $paypal["custom"])) {
$paypal["optimizemember_log"][] = "optimizeMember originating domain ( `\$_SERVER[\"HTTP_HOST\"]` ) validated.";
/**/
eval('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;');
if (!apply_filters("ws_plugin__optimizemember_during_paypal_return_conditionals", false, get_defined_vars())) {
unset($__refs, $__v);
/* Unset defined __refs, __v. */
/**/
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_web_accept_sp::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_wa_ccaps_wo_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_subscr_or_wa_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_subscr_modify_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
$paypal["optimizemember_log"][] = "Unexpected `txn_type/status`. The `txn_type/status` did not match a required action.";
/**/
$paypal["optimizemember_log"][] = "Redirecting Customer to the Home Page, due to an error that occurred.";
/**/
echo c_ws_plugin__optimizemember_return_templates::return_template($paypal["subscr_gateway"], _x('<strong>ERROR:</strong> Unexpected <code>txn_type/status</code>.<br />The <code>txn_type/status</code> did not meet requirements.<br />Please contact Support for assistance.', "s2member-front", "s2member"), _x("Back To Home Page", "s2member-front", "s2member"), home_url("/"));
}
}
}
}
} else {
/* Else a custom conditional has been applied by filters. */
unset($__refs, $__v);
}
/* Unset defined __refs, __v. */
} else {
$paypal["optimizemember_log"][] = "Unable to verify `\$_SERVER[\"HTTP_HOST\"]`. Please check the `custom` value in your Button Code. It MUST start with your domain name.";
/**/
$paypal["optimizemember_log"][] = "Redirecting Customer to the Home Page, due to an error that occurred.";
/**/
echo c_ws_plugin__optimizemember_return_templates::return_template($paypal["subscr_gateway"], _x('<strong>ERROR:</strong> Unable to verify <code>$_SERVER["HTTP_HOST"]</code>.<br />Please contact Support for assistance.<br /><br />If you are the site owner, please check the <code>custom</code> value in your Button Code. It MUST start with your domain name.', "s2member-front", "s2member"), _x("Back To Home Page", "s2member-front", "s2member"), home_url("/"));
}
} else {
$paypal = $_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_proxy_ty_email::cp(get_defined_vars());
}
} else {
if (!empty($_GET["optimizemember_paypal_proxy"]) && !empty($_GET["optimizemember_paypal_proxy_use"]) && preg_match("/x-preview/", $_GET["optimizemember_paypal_proxy_use"]) && ($paypal["subscr_gateway"] = esc_html(trim(stripslashes($_GET["optimizemember_paypal_proxy"]))))) {
$paypal = $_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_proxy_x_preview::cp(get_defined_vars());
} else {
if (empty($_GET["tx"]) && empty($_GET["optimizemember_paypal_proxy"]) && ($paypal["subscr_gateway"] = "paypal")) {
$paypal = $_paypal_cp = c_ws_plugin__optimizemember_paypal_return_in_no_tx_data::cp(get_defined_vars());
} else {
$paypal["optimizemember_log"][] = "Unable to verify \$_POST vars. This is most likely related to an invalid configuration of optimizeMember, or a problem with server compatibility.";
$paypal["optimizemember_log"][] = "If you're absolutely SURE that your 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/communicate with your Payment Gateway over an HTTPS connection.";
$paypal["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; and instead, set `allow_url_fopen = yes` in your php.ini file. The `cURL` extension (usually) does NOT support SSL connections on a Windows server.";
$paypal["optimizemember_log"][] = "Please see this thread: `http://www.optimizepress.com/forums/topic/ideal-server-configuration-for-optimizemember/` for details regarding the ideal server configuration for optimizeMember.";
$paypal["optimizemember_log"][] = var_export($_REQUEST, true);
/* Recording _POST + _GET vars for analysis and debugging. */
/**/
$paypal["optimizemember_log"][] = "Redirecting Customer to the Home Page, due to an error that occurred.";
/**/
echo c_ws_plugin__optimizemember_return_templates::return_template("default", _x('<strong>ERROR:</strong> Unable to verify <code>$_POST</code> vars.<br />Please contact Support for assistance.<br /><br />This is most likely related to an invalid configuration of optimizeMember, or a problem with server compatibility. If you are the site owner, and you\'re absolutely SURE that your configuration is valid, you may want to run some tests on your server, just to be sure <code>$_POST</code> variables are populated, and that your server is able to connect/communicate with your Payment Gateway over an HTTPS connection.<br /><br />optimizeMember uses the <code>WP_Http</code> class for remote connections; which will try to use <code>cURL</code> first, and then fall back on the <code>FOPEN</code> method when <code>cURL</code> is not available. On a Windows server, you may have to disable your <code>cURL</code> extension; and instead, set <code>allow_url_fopen = yes</code> in your php.ini file. The <code>cURL</code> extension (usually) does NOT support SSL connections on a Windows server.<br /><br />Please see <a href="http://www.optimizepress.com/forums/topic/ideal-server-configuration-for-optimizemember/" target="_blank">this thread</a> for details regarding the ideal server configuration for optimizeMember.', "s2member-front", "s2member"), _x("Back To Home Page", "s2member-front", "s2member"), home_url("/"));
}
}
}
/*
Add RTN proxy ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_proxy"])) {
$paypal["optimizemember_paypal_proxy"] = $_GET["optimizemember_paypal_proxy"];
}
/*
Add IPN proxy use vars ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_proxy_use"])) {
$paypal["optimizemember_paypal_proxy_use"] = $_GET["optimizemember_paypal_proxy_use"];
}
/*
Also add RTN proxy self-verification ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_proxy_verification"])) {
$paypal["optimizemember_paypal_proxy_verification"] = $_GET["optimizemember_paypal_proxy_verification"];
}
/*
Also add RTN success redirection URL ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_return_success"])) {
$paypal["optimizemember_paypal_return_success"] = $_GET["optimizemember_paypal_return_success"];
}
/*
Also add RTN t and r Attributes ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_return_tra"])) {
$paypal["optimizemember_paypal_return_tra"] = $_GET["optimizemember_paypal_return_tra"];
}
/*
If debugging/logging is enabled; we need to append $paypal to the log file.
Logging now supports Multisite Networking as well.
*/
$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() ? "paypal-rtn-4-" . trim(preg_replace("/[^a-z0-9]/i", "-", $_log4), "-") . ".log" : "paypal-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, $logv . "\n" . $logm . "\n" . $log4 . "\n" . var_export($paypal, true) . "\n\n", FILE_APPEND);
}
}
}
/**/
eval('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;');
do_action("ws_plugin__optimizemember_during_paypal_return", get_defined_vars());
unset($__refs, $__v);
/* Unset defined __refs, __v. */
/**/
exit;
/* Clean exit. */
}
/**/
eval('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;');
do_action("ws_plugin__optimizemember_after_paypal_return", get_defined_vars());
unset($__refs, $__v);
/* Unset defined __refs, __v. */
}
/**
* Handles PayPal IPN processing.
*
* These same routines also handle optimizeMember Pro/PayPal Pro operations;
* giving you the ability *( as needed )* to Hook into these routines using
* WordPress Hooks/Filters; as seen in the source code below.
*
* Please do NOT modify the source code directly.
* Instead, use WordPress Hooks/Filters.
*
* For example, if you'd like to add your own custom conditionals, use:
* ``add_filter ("ws_plugin__optimizemember_during_paypal_notify_conditionals", "your_function");``
*
* @package optimizeMember\PayPal
* @since 3.5
*
* @attaches-to ``add_action("init");``
*
* @return null Or exits script execution after handling IPN procesing.
*/
public static function paypal_notify()
{
global $current_site, $current_blog;
/* For Multisite support. */
/**/
do_action("ws_plugin__optimizemember_before_paypal_notify", get_defined_vars());
/**/
if (!empty($_GET["optimizemember_paypal_notify"]) && ($GLOBALS["WS_PLUGIN__"]["optimizemember"]["o"]["paypal_business"] || !empty($_GET["optimizemember_paypal_proxy"]))) {
@ignore_user_abort(true);
/* Important. Continue processing even if/when the connection is broken by the sending party. */
/**/
include_once ABSPATH . "wp-admin/includes/admin.php";
/* Get administrative functions. Needed for `wp_delete_user()`. */
/**/
$email_configs_were_on = c_ws_plugin__optimizemember_email_configs::email_config_status();
/* Filters on? */
c_ws_plugin__optimizemember_email_configs::email_config_release();
/* Release optimizeMember Filters. */
/**/
$paypal = array();
// Initialize PayPal array; we also reference this with a variable for a possible proxy handler.
if (!empty($_REQUEST['optimizemember_paypal_proxy']) && in_array($_REQUEST['optimizemember_paypal_proxy'], array('alipay', 'stripe', 'authnet', 'clickbank', 'ccbill', 'google'), TRUE)) {
${esc_html(trim(stripslashes($_REQUEST['optimizemember_paypal_proxy'])))} =& $paypal;
}
// Internal alias by reference.
if (is_array($paypal = c_ws_plugin__optimizemember_paypal_utilities::paypal_postvars()) && ($_paypal = $paypal) && ($_paypal_s = serialize($_paypal))) {
$paypal["optimizemember_log"][] = "IPN received on: " . date("D M j, Y g:i:s a T");
$paypal["optimizemember_log"][] = "optimizeMember POST vars verified " . (!empty($paypal["proxy_verified"]) ? "with a Proxy Key" : "through a POST back to PayPal.");
/**/
$payment_status_issues = "/^(failed|denied|expired|refunded|partially_refunded|reversed|reversal|canceled_reversal|voided)\$/i";
/**/
$paypal["subscr_gateway"] = !empty($_GET["optimizemember_paypal_proxy"]) ? esc_html(trim(stripslashes($_GET["optimizemember_paypal_proxy"]))) : "paypal";
/**/
if (empty($paypal["custom"]) && !empty($paypal["recurring_payment_id"])) {
/* Lookup on Recurring Profiles? */
$paypal["custom"] = c_ws_plugin__optimizemember_utils_users::get_user_custom_with($paypal["recurring_payment_id"]);
}
/**/
if (!empty($paypal["custom"]) && preg_match("/^" . preg_quote(preg_replace("/\\:([0-9]+)\$/", "", $_SERVER["HTTP_HOST"]), "/") . "/i", $paypal["custom"])) {
$paypal["optimizemember_log"][] = "optimizeMember originating domain ( `\$_SERVER[\"HTTP_HOST\"]` ) validated.";
/**/
eval('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;');
if (!apply_filters("ws_plugin__optimizemember_during_paypal_notify_conditionals", false, get_defined_vars())) {
unset($__refs, $__v);
/* Unset defined __refs, __v. */
/**/
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_virtual_terminal::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_express_checkout::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_cart::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_send_money::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_web_accept_sp::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_wa_ccaps_wo_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_subscr_or_wa_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_rec_profile_creation_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_subscr_modify_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_subscr_or_rp_payment_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_subscr_or_rp_payment_failed_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_subscr_or_rp_cancellation_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_subscr_or_rp_eots_w_level::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
if ($_paypal_cp = c_ws_plugin__optimizemember_paypal_notify_in_sp_refund_reversal::cp(get_defined_vars())) {
$paypal = $_paypal_cp;
} else {
/* Ignoring this IPN request. The txn_type/status does NOT require any action. */
$paypal["optimizemember_log"][] = "Ignoring this IPN request. The `txn_type/status` does NOT require any action on the part of optimizeMember.";
}
}
}
}
}
}
}
}
}
}
}
}
}
}
} else {
/* Else a custom conditional has been applied by Filters. */
unset($__refs, $__v);
}
/* Unset defined __refs, __v. */
} else {
if (!empty($paypal["txn_type"]) && preg_match("/^recurring_payment_profile_cancel\$/i", $paypal["txn_type"])) {
$paypal["optimizemember_log"][] = "Transaction type ( `recurring_payment_profile_cancel` ), but there is no match to an existing account; so verification of `\$_SERVER[\"HTTP_HOST\"]` was not possible.";
$paypal["optimizemember_log"][] = "It's likely this account was just upgraded/downgraded by optimizeMember Pro; so the Subscr. ID has probably been updated on-site; nothing to worry about here.";
} else {
if (!empty($paypal["txn_type"]) && preg_match("/^recurring_/i", $paypal["txn_type"])) {
/* Otherwise, is this a ^recurring_ txn_type? */
$paypal["optimizemember_log"][] = "Transaction type ( `^recurring_?` ), but there is no match to an existing account; so verification of `\$_SERVER[\"HTTP_HOST\"]` was not possible.";
} else {
/* Else, use the default ``$_SERVER["HTTP_HOST"]`` error. */
$paypal["optimizemember_log"][] = "Unable to verify `\$_SERVER[\"HTTP_HOST\"]`. Please check the `custom` value in your Button Code. It MUST start with your domain name.";
}
}
}
} else {
$paypal["optimizemember_log"][] = "Unable to verify \$_POST vars. This is most likely related to an invalid configuration of optimizeMember, or a problem with server compatibility.";
$paypal["optimizemember_log"][] = "If you're absolutely SURE that your 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/communicate with your Payment Gateway over an HTTPS connection.";
$paypal["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; and instead, set `allow_url_fopen = yes` in your php.ini file. The `cURL` extension (usually) does NOT support SSL connections on a Windows server.";
$paypal["optimizemember_log"][] = "Please see this thread: `http://www.optimizepress.com/forums/topic/ideal-server-configuration-for-optimizemember/` for details regarding the ideal server configuration for optimizeMember.";
$paypal["optimizemember_log"][] = var_export($_REQUEST, true);
/* Recording _POST + _GET vars for analysis and debugging. */
}
/**/
if ($email_configs_were_on) {
/* Back on? */
c_ws_plugin__optimizemember_email_configs::email_config();
}
/*
Add IPN proxy ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_proxy"])) {
$paypal["optimizemember_paypal_proxy"] = $_GET["optimizemember_paypal_proxy"];
}
/*
Add IPN proxy use vars ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_proxy_use"])) {
$paypal["optimizemember_paypal_proxy_use"] = $_GET["optimizemember_paypal_proxy_use"];
}
/*
Also add IPN proxy self-verification ( when available ) to the ``$paypal`` array.
*/
if (!empty($_GET["optimizemember_paypal_proxy_verification"])) {
$paypal["optimizemember_paypal_proxy_verification"] = $_GET["optimizemember_paypal_proxy_verification"];
}
/*
If debugging/logging is enabled; we need to append ``$paypal`` to the log file.
Logging now supports Multisite Networking as well.
*/
$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() ? "paypal-ipn-4-" . trim(preg_replace("/[^a-z0-9]/i", "-", $_log4), "-") . ".log" : "paypal-ipn.log";
/**/
if ($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, $logv . "\n" . $logm . "\n" . $log4 . "\n" . var_export($paypal, true) . "\n\n", FILE_APPEND);
}
}
}
/**/
eval('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;');
do_action("ws_plugin__optimizemember_during_paypal_notify", get_defined_vars());
unset($__refs, $__v);
/* Unset defined __refs, __v. */
/**/
status_header(200);
/* Send a 200 OK status header. */
header("Content-Type: text/plain; charset=utf-8");
/* Content-Type text/plain with UTF-8. */
eval('while (@ob_end_clean ());');
/* End/clean all output buffers that may or may not exist. */
/**/
exit(!empty($paypal["optimizemember_paypal_proxy_return_url"]) ? $paypal["optimizemember_paypal_proxy_return_url"] : "");
}
/**/
eval('foreach(array_keys(get_defined_vars())as$__v)$__refs[$__v]=&$$__v;');
do_action("ws_plugin__optimizemember_after_paypal_notify", get_defined_vars());
unset($__refs, $__v);
/* Unset defined __refs, __v. */
}
