mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 06:18:28 +01:00
447 lines
16 KiB
PHP
447 lines
16 KiB
PHP
<?php // $Id$
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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.');
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}
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define('AN_DELIM', '|');
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define('AN_ENCAP', '"');
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define('AN_REASON_NOCCTYPE', 17);
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define('AN_REASON_NOCCTYPE2', 28);
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define('AN_REASON_NOACH', 18);
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define('AN_REASON_ACHONLY', 56);
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define('AN_REASON_NOACHTYPE', 245);
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define('AN_REASON_NOACHTYPE2', 246);
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require_once($CFG->dirroot.'/enrol/authorize/const.php');
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require_once($CFG->dirroot.'/enrol/authorize/localfuncs.php');
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/**
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* Gets settlement date and time
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*
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* @param int $time Time processed, usually now.
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* @return int Settlement date and time
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*/
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function authorize_getsettletime($time)
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{
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global $CFG;
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$cutoff = intval($CFG->an_cutoff);
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$mins = $cutoff % 60;
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$hrs = ($cutoff - $mins) / 60;
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$cutofftime = strtotime("$hrs:$mins", $time);
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if ($cutofftime < $time) {
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$cutofftime = strtotime("$hrs:$mins", $time + (24 * 3600));
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}
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return $cutofftime;
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}
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/**
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* Is order settled? Status must be auth_captured or credited.
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*
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* @param object $order Order details
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* @return bool true, if settled, false otherwise.
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*/
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function authorize_settled($order)
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{
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return (($order->status == AN_STATUS_AUTHCAPTURE || $order->status == AN_STATUS_CREDIT) &&
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($order->settletime > 0) && ($order->settletime < time()));
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}
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/**
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* Is order expired? 'Authorized/Pending Capture' transactions are expired after 30 days.
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*
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* @param object &$order Order details.
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* @return bool true, transaction is expired, false otherwise.
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*/
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function authorize_expired(&$order)
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{
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static $timediff30;
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if ($order->status == AN_STATUS_EXPIRE) {
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return true;
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}
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elseif ($order->status != AN_STATUS_AUTH) {
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return false;
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}
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if (empty($timediff30)) {
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$timediff30 = authorize_getsettletime(time()) - (30 * 24 * 3600);
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}
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$isexpired = (authorize_getsettletime($order->timecreated) < $timediff30);
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if ($isexpired) {
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$order->status = AN_STATUS_EXPIRE;
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update_record('enrol_authorize', $order);
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}
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return $isexpired;
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}
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/**
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* Performs an action on authorize.net and updates/inserts records. If record update fails,
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* sends email to admin.
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*
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* @param object &$order Which transaction data will be sent. See enrol_authorize table.
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* @param string &$message Information about error message.
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* @param object &$extra Extra data that used for refunding and credit card information.
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* @param int $action Which action will be performed. See AN_ACTION_*
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* @param string $cctype Used internally to configure credit types automatically.
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* @return int AN_APPROVED Transaction was successful, AN_RETURNZERO otherwise. Use $message for reason.
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* @author Ethem Evlice <ethem a.t evlice d.o.t com>
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* @uses $CFG
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*/
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function authorize_action(&$order, &$message, &$extra, $action=AN_ACTION_NONE, $cctype=NULL)
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{
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global $CFG;
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static $conststring;
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if (!isset($conststring)) {
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$mconfig = get_config('enrol/authorize');
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$constdata = array(
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'x_version' => '3.1',
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'x_delim_data' => 'True',
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'x_delim_char' => AN_DELIM,
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'x_encap_char' => AN_ENCAP,
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'x_relay_response' => 'FALSE',
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'x_login' => rc4decrypt($mconfig->an_login)
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);
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$str = '';
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foreach($constdata as $ky => $vl) {
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$str .= $ky . '=' . urlencode($vl) . '&';
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}
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$str .= (!empty($mconfig->an_tran_key)) ?
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'x_tran_key=' . urlencode(rc4decrypt($mconfig->an_tran_key)):
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'x_password=' . urlencode(rc4decrypt($mconfig->an_password));
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$conststring = $str;
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$str = '';
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}
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if (empty($order) or empty($order->id)) {
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$message = "Check order->id!";
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return AN_RETURNZERO;
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}
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$method = $order->paymentmethod;
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if (empty($method)) {
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$method = AN_METHOD_CC;
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}
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elseif ($method != AN_METHOD_CC && $method != AN_METHOD_ECHECK) {
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$message = "Invalid method: $method";
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return AN_RETURNZERO;
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}
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$action = intval($action);
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if ($method == AN_METHOD_ECHECK) {
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if ($action != AN_ACTION_AUTH_CAPTURE && $action != AN_ACTION_CREDIT) {
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$message = "Please perform AUTH_CAPTURE or CREDIT for echecks";
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return AN_RETURNZERO;
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}
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}
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if ($action <= AN_ACTION_NONE or $action > AN_ACTION_VOID) {
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$message = "Invalid action!";
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return AN_RETURNZERO;
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}
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$poststring = $conststring;
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$poststring .= '&x_method=' . $method;
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$test = !empty($CFG->an_test);
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$poststring .= '&x_test_request=' . ($test ? 'TRUE' : 'FALSE');
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switch ($action) {
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case AN_ACTION_AUTH_ONLY:
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case AN_ACTION_CAPTURE_ONLY:
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case AN_ACTION_AUTH_CAPTURE:
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{
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if ($order->status != AN_STATUS_NONE) {
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$message = "Order status must be AN_STATUS_NONE(0)!";
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return AN_RETURNZERO;
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}
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elseif (empty($extra)) {
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$message = "Need extra fields!";
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return AN_RETURNZERO;
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}
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elseif (($action == AN_ACTION_CAPTURE_ONLY) and empty($extra->x_auth_code)) {
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$message = "x_auth_code is required for capture only transactions!";
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return AN_RETURNZERO;
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}
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$ext = (array)$extra;
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$poststring .= '&x_type=' . (($action==AN_ACTION_AUTH_ONLY)
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? 'AUTH_ONLY' :( ($action==AN_ACTION_CAPTURE_ONLY)
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? 'CAPTURE_ONLY' : 'AUTH_CAPTURE'));
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foreach($ext as $k => $v) {
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$poststring .= '&' . $k . '=' . urlencode($v);
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}
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break;
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}
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case AN_ACTION_PRIOR_AUTH_CAPTURE:
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{
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if ($order->status != AN_STATUS_AUTH) {
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$message = "Order status must be authorized!";
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return AN_RETURNZERO;
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}
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if (authorize_expired($order)) {
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$message = "Transaction must be captured within 30 days. EXPIRED!";
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return AN_RETURNZERO;
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}
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$poststring .= '&x_type=PRIOR_AUTH_CAPTURE&x_trans_id=' . urlencode($order->transid);
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break;
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}
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case AN_ACTION_CREDIT:
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{
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if ($order->status != AN_STATUS_AUTHCAPTURE) {
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$message = "Order status must be authorized/captured!";
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return AN_RETURNZERO;
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}
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if (!authorize_settled($order)) {
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$message = "Order must be settled. Try VOID, check Cut-Off time if it fails!";
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return AN_RETURNZERO;
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}
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$timenowsettle = authorize_getsettletime(time());
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$timediff = $timenowsettle - (120 * 3600 * 24);
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if ($order->settletime < $timediff) {
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$message = "Order must be credited within 120 days!";
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return AN_RETURNZERO;
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}
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if (empty($extra)) {
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$message = "Need extra fields to REFUND!";
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return AN_RETURNZERO;
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}
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$total = floatval($extra->sum) + floatval($extra->amount);
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if (($extra->amount == 0) || ($total > $order->amount)) {
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$message = "Can be credited up to original amount.";
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return AN_RETURNZERO;
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}
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$poststring .= '&x_type=CREDIT&x_trans_id=' . urlencode($order->transid);
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$poststring .= '&x_currency_code=' . urlencode($order->currency);
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$poststring .= '&x_invoice_num=' . urlencode($extra->orderid);
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$poststring .= '&x_amount=' . urlencode($extra->amount);
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if ($method == AN_METHOD_CC) {
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$poststring .= '&x_card_num=' . sprintf("%04d", intval($order->refundinfo));
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}
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elseif ($method == AN_METHOD_ECHECK && empty($order->refundinfo)) {
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$message = "Business checkings can be refunded only.";
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return AN_RETURNZERO;
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}
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break;
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}
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case AN_ACTION_VOID:
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{
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if (authorize_expired($order) || authorize_settled($order)) {
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$message = "The transaction cannot be voided due to the fact that it is expired or settled.";
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return AN_RETURNZERO;
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}
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$poststring .= '&x_type=VOID&x_trans_id=' . urlencode($order->transid);
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break;
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}
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default: {
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$message = "Invalid action: $action";
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return AN_RETURNZERO;
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}
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}
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$referer = '';
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if (! (empty($CFG->an_referer) || $CFG->an_referer == "http://")) {
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$referer = "Referer: $CFG->an_referer\r\n";
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}
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$errno = 0; $errstr = '';
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$host = $test ? 'certification.authorize.net' : 'secure.authorize.net';
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$fp = fsockopen("ssl://$host", 443, $errno, $errstr, 60);
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if (!$fp) {
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$message = "no connection: $errstr ($errno)";
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return AN_RETURNZERO;
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}
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// critical section
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@ignore_user_abort(true);
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if (intval(ini_get('max_execution_time')) > 0) {
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@set_time_limit(300);
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}
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fwrite($fp, "POST /gateway/transact.dll HTTP/1.0\r\n" .
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"Host: $host\r\n" . $referer .
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"Content-type: application/x-www-form-urlencoded\r\n" .
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"Connection: close\r\n" .
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"Content-length: " . strlen($poststring) . "\r\n\r\n" .
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$poststring . "\r\n"
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);
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$tmpstr = '';
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while(!feof($fp) && !stristr($tmpstr, 'content-length')) {
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$tmpstr = fgets($fp, 4096);
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}
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if (!stristr($tmpstr, 'content-length')) {
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$message = "content-length error";
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@fclose($fp);
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return AN_RETURNZERO;
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}
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$length = trim(substr($tmpstr, strpos($tmpstr,'content-length')+15));
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fgets($fp, 4096);
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$data = fgets($fp, $length);
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@fclose($fp);
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$response = explode(AN_ENCAP.AN_DELIM.AN_ENCAP, $data);
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if ($response === false) {
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$message = "response error";
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return AN_RETURNZERO;
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}
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$rcount = count($response) - 1;
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if ($response[0]{0} == AN_ENCAP) {
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$response[0] = substr($response[0], 1);
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}
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if (substr($response[$rcount], -1) == AN_ENCAP) {
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$response[$rcount] = substr($response[$rcount], 0, -1);
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}
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$responsecode = intval($response[0]);
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if ($responsecode == AN_APPROVED || $responsecode == AN_REVIEW)
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{
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$transid = intval($response[6]);
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if ($test || $transid == 0) {
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return $responsecode; // don't update original transaction in test mode.
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}
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switch ($action) {
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case AN_ACTION_AUTH_ONLY:
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case AN_ACTION_CAPTURE_ONLY:
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case AN_ACTION_AUTH_CAPTURE:
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case AN_ACTION_PRIOR_AUTH_CAPTURE:
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{
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$order->transid = $transid;
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if ($method == AN_METHOD_CC) {
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if ($action == AN_ACTION_AUTH_ONLY || $responsecode == AN_REVIEW) {
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$order->status = AN_STATUS_AUTH;
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} else {
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$order->status = AN_STATUS_AUTHCAPTURE;
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$order->settletime = authorize_getsettletime(time());
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}
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}
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elseif ($method == AN_METHOD_ECHECK) {
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$order->status = AN_STATUS_UNDERREVIEW;
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}
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if (! update_record('enrol_authorize', $order)) {
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email_to_admin("Error while trying to update data " .
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"in table enrol_authorize. Please edit manually this record: ID=$order->id.", $order);
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}
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break;
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}
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case AN_ACTION_CREDIT:
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{
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// Credit generates new transaction id.
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// So, $extra must be updated, not $order.
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$extra->status = AN_STATUS_CREDIT;
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$extra->transid = $transid;
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$extra->settletime = authorize_getsettletime(time());
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unset($extra->sum); // this is not used in refunds table.
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if (! $extra->id = insert_record('enrol_authorize_refunds', $extra)) {
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unset($extra->id);
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email_to_admin("Error while trying to insert data " .
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"into table enrol_authorize_refunds. Please add manually this record:", $extra);
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}
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break;
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}
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case AN_ACTION_VOID:
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{
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$tableupdate = 'enrol_authorize';
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if ($order->status == AN_STATUS_CREDIT) {
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$tableupdate = 'enrol_authorize_refunds';
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unset($order->paymentmethod);
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}
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$order->status = AN_STATUS_VOID;
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if (! update_record($tableupdate, $order)) {
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email_to_admin("Error while trying to update data " .
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"in table $tableupdate. Please edit manually this record: ID=$order->id.", $order);
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}
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break;
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}
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default:
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return AN_RETURNZERO;
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}
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}
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else
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{
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$reasonno = $response[2];
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$reasonstr = "reason" . $reasonno;
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$message = get_string($reasonstr, "enrol_authorize");
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if ($message == '[[' . $reasonstr . ']]') {
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$message = isset($response[3]) ? $response[3] : 'unknown error';
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}
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if ($method == AN_METHOD_CC && !empty($CFG->an_avs) && $response[5] != "P") {
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$avs = "avs" . strtolower($response[5]);
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$stravs = get_string($avs, "enrol_authorize");
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$message .= "<br />" . get_string("avsresult", "enrol_authorize", $stravs);
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}
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if (!$test) { // Autoconfigure :)
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switch($reasonno) {
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// Credit card type isn't accepted
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case AN_REASON_NOCCTYPE:
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case AN_REASON_NOCCTYPE2:
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{
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if (!empty($cctype)) {
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$ccaccepts = get_list_of_creditcards();
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unset($ccaccepts[$cctype]);
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set_config('an_acceptccs', implode(',', array_keys($ccaccepts)));
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email_to_admin("$message ($cctype)" .
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"This is new config(an_acceptccs):", $ccaccepts);
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}
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break;
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}
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// Echecks only
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case AN_REASON_ACHONLY:
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{
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set_config('an_acceptmethods', AN_METHOD_ECHECK);
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email_to_admin("$message " .
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"This is new config(an_acceptmethods):", array(AN_METHOD_ECHECK));
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break;
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}
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// Echecks aren't accepted
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case AN_REASON_NOACH:
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{
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set_config('an_acceptmethods', AN_METHOD_CC);
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email_to_admin("$message " .
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"This is new config(an_acceptmethods):", array(AN_METHOD_CC));
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break;
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}
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// This echeck type isn't accepted
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case AN_REASON_NOACHTYPE:
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case AN_REASON_NOACHTYPE2:
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{
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if (!empty($extra->x_echeck_type)) {
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switch ($extra->x_echeck_type) {
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// CCD=BUSINESSCHECKING
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case 'CCD':
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{
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set_config('an_acceptechecktypes', 'CHECKING,SAVINGS');
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email_to_admin("$message " .
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"This is new config(an_acceptechecktypes):", array('CHECKING','SAVINGS'));
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}
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break;
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// WEB=CHECKING or SAVINGS
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case 'WEB':
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{
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set_config('an_acceptechecktypes', 'BUSINESSCHECKING');
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email_to_admin("$message " .
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"This is new config(an_acceptechecktypes):", array('BUSINESSCHECKING'));
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}
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break;
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}
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}
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break;
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}
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}
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}
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}
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return $responsecode;
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}
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?>
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