mirror of
https://github.com/moodle/moodle.git
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469 lines
14 KiB
PHP
Executable File
469 lines
14 KiB
PHP
Executable File
<?php // $Id$
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// Authorize.net
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define('AN_HOST', 'secure.authorize.net');
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define('AN_PORT', 443);
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define('AN_PATH', '/gateway/transact.dll');
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define('AN_APPROVED', '1');
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define('AN_DECLINED', '2');
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define('AN_ERROR', '3');
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define('AN_DELIM', '|');
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define('AN_ENCAP', '"');
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require_once("$CFG->dirroot/enrol/enrol.class.php");
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class enrolment_plugin extends enrolment_base {
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var $ccerrormsg;
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/// Override: print_entry()
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function print_entry($course) {
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global $CFG, $USER, $form;
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$free_cost = $this->zero_cost($course);
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if ($free_cost || isguest()) { // No money for guests ;), So parent::print_entry
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parent::print_entry($course);
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return;
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}
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// check payment
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$this->check_paid();
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// HTTPS support: I want to paid on secure layer.
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if ((!empty($CFG->loginhttps)) && (!isset($_SERVER['HTTPS']))) {
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$wwwsroot = str_replace('http://','https://', $CFG->wwwroot);
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$sdestination = "$wwwsroot/course/enrol.php?id=$course->id";
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redirect($sdestination);
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exit;
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}
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$CCTYPES = array(
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'mcd' => 'Master Card',
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'vis' => 'Visa',
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'amx' => 'American Express',
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'dsc' => 'Discover',
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'dnc' => 'Diners Club',
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'jcb' => 'JCB',
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'swi' => 'Switch',
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'dlt' => 'Delta',
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'enr' => 'EnRoute'
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);
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$formvars = array('password','ccfirstname','cclastname','cc','ccexpiremm','ccexpireyyyy','cctype','cvv','cczip');
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foreach ($formvars as $var) {
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if (!isset($form->$var)) {
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$form->$var = '';
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}
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}
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$teacher = get_teacher($course->id);
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$strloginto = get_string("loginto", "", $course->shortname);
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$strcourses = get_string("courses");
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$userfirstname = empty($form->ccfirstname) ? $USER->firstname : $form->ccfirstname;
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$userlastname = empty($form->cclastname) ? $USER->lastname : $form->cclastname;
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$cost = $this->get_course_cost($course);
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$passwordoption = !empty($course->password);
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print_header($strloginto, $course->fullname, "<a href=\"$CFG->wwwroot/course/\">$strcourses</a> -> $strloginto");
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print_course($course, "80%");
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if ($passwordoption && !$free_cost) {
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print_simple_box(get_string('choosemethod', 'enrol_authorize'), 'center');
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}
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if ($passwordoption || $free_cost) {
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$password = '';
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include($CFG->dirroot . '/enrol/internal/enrol.html');
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}
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if (!$free_cost) {
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print_simple_box_start("center");
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include($CFG->dirroot . '/enrol/authorize/enrol.html');
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print_simple_box_end();
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}
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print_footer();
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}
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/// Override: check_entry()
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function check_entry($form, $course) {
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global $CFG;
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if ($this->zero_cost($course) || (!empty($form->password)) || isguest()) {
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parent::check_entry($form, $course);
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} else {
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$this->cc_submit($form, $course);
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}
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}
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function cc_submit($form, $course)
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{
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global $CFG, $USER, $SESSION;
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require_once($CFG->dirroot . '/enrol/authorize/ccval.php');
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if (empty($form->ccfirstname) || empty($form->cclastname) ||
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empty($form->cc) || empty($form->cvv) || empty($form->cctype) ||
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empty($form->ccexpiremm) || empty($form->ccexpireyyyy) || empty($form->cczip)) {
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$this->ccerrormsg = get_string("allfieldsrequired");
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return;
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}
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$exp_date = (($form->ccexpiremm<10) ? strval('0'.$form->ccexpiremm) : strval($form->ccexpiremm)) . ($form->ccexpireyyyy);
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$valid_cc = CCVal($form->cc, $form->cctype, $exp_date);
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if (!$valid_cc) {
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$this->ccerrormsg = ($valid_cc===0) ? get_string('ccexpired', 'enrol_authorize') : get_string('ccinvalid', 'enrol_authorize');
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return;
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}
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$this->check_paid();
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$order_number = 0; // can be get from db
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$formdata = 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' => $CFG->an_login,
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'x_test_request' => (!empty($CFG->an_test)) ? 'True' : 'False',
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'x_type' => 'AUTH_CAPTURE',
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'x_method' => 'CC',
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'x_first_name' => (empty($form->ccfirstname) ? $USER->firstname : $form->ccfirstname),
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'x_last_name' => (empty($form->cclastname) ? $USER->lastname : $form->cclastname),
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'x_address' => $USER->address,
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'x_city' => $USER->city,
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'x_zip' => $form->cczip,
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'x_country' => $USER->country,
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'x_state' => '',
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'x_card_num' => $form->cc,
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'x_card_code' => $form->cvv,
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'x_currency_code' => $CFG->enrol_currency,
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'x_amount' => $this->get_course_cost($course),
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'x_exp_date' => $exp_date,
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'x_email' => $USER->email,
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'x_email_customer' => 'False',
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'x_cust_id' => $USER->id,
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'x_customer_ip' => $_SERVER["REMOTE_ADDR"],
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'x_phone' => '',
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'x_fax' => '',
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'x_invoice_num' => $order_number,
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'x_description' => $course->shortname
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);
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//build the post string
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$poststring = '';
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if (!empty($CFG->an_tran_key)) {
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$poststring .= urlencode("x_tran_key") . "=" . urlencode($CFG->an_tran_key);
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}
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else { // MUST be x_tran_key or x_password
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$poststring .= urlencode("x_password") . "=" . urlencode($CFG->an_password);
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}
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foreach($formdata as $key => $val) {
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$poststring .= "&" . urlencode($key) . "=" . urlencode($val);
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}
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//built
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$response = array();
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$anrefererheader = '';
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if (isset($CFG->an_referer) && (!empty($CFG->an_referer)) &&
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($CFG->an_referer != "http://") && ($CFG->an_referer != "https://")) {
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$anrefererheader = "Referer: " . $CFG->an_referer . "\r\n";
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}
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$fp = fsockopen("ssl://" . AN_HOST, AN_PORT, $errno, $errstr, 60);
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if(!$fp) {
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$this->ccerrormsg = "$errstr ($errno)";
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return;
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} else {
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fputs($fp,
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"POST " . AN_PATH . " HTTP/1.0\r\n" .
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"Host: " . AN_HOST . "\r\n" .
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$anrefererheader .
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"Content-type: application/x-www-form-urlencoded\r\n" .
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"Content-length: " . strlen($poststring) . "\r\n" .
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"Connection: close\r\n\r\n" .
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$poststring . "\r\n\r\n");
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$str = '';
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while(!feof($fp) && !stristr($str, 'content-length')) {
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$str = fgets($fp, 4096);
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}
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// If didnt get content-lenght, something is wrong.
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if (!stristr($str, 'content-length')) {
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$this->ccerrormsg = "content-length error";
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return;
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}
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// Get length of data to be received.
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$length = trim(substr($str,strpos($str,'content-length') + 15));
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// Get buffer (blank data before real data)
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fgets($fp, 4096);
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// Get real data
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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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{
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$this->ccerrormsg = "response error";
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return;
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}
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$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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}
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if ($response[0] != AN_APPROVED) {
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$this->ccerrormsg = isset($response[3]) ? $response[3] : 'unknown error';
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} else {
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$SESSION->ccpaid = 1; // security check: don't duplicate payment
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if ($course->enrolperiod) {
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$timestart = time();
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$timeend = $timestart + $course->enrolperiod;
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} else {
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$timestart = $timeend = 0;
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}
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if (!enrol_student($USER->id, $course->id, $timestart, $timeend)) {
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$this->email_cc_error_to_admin("Error while trying to enrol ".fullname($USER)." in '$course->fullname'", $response);
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} else {
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// begin: send email
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$teacher = get_teacher($course->id);
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if (!empty($CFG->enrol_mailstudents)) {
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$a->coursename = "$course->fullname";
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$a->profileurl = "$CFG->wwwroot/user/view.php?id=$USER->id";
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email_to_user($USER, $teacher, get_string("enrolmentnew", '', $course->shortname),
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get_string('welcometocoursetext', '', $a));
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}
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if (!empty($CFG->enrol_mailteachers)) {
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$a->course = "$course->fullname";
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$a->user = fullname($USER);
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email_to_user($teacher, $USER, get_string("enrolmentnew", '', $course->shortname),
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get_string('enrolmentnewuser', '', $a));
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}
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if (!empty($CFG->enrol_mailadmins)) {
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$a->course = "$course->fullname";
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$a->user = fullname($USER);
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$admins = get_admins();
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foreach ($admins as $admin) {
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email_to_user($admin, $USER, get_string("enrolmentnew", '', $course->shortname),
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get_string('enrolmentnewuser', '', $a));
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}
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}
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// end: send email
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// begin: authorize_table
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$datax->cclastfour = substr($form->cc, -4);
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$datax->ccexp = $exp_date;
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$datax->cvv = $form->cvv;
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$datax->ccname = $formdata['x_first_name'] . " " . $formdata['x_last_name'];
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$datax->courseid = $course->id;
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$datax->userid = $USER->id;
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$datax->avscode = strval($response[5]);
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$datax->transid = strval($response[6]);
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if (!insert_record("enrol_authorize", $datax)) { // Insert a transaction record
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$this->email_cc_error_to_admin("Error while trying to insert valid transaction", $datax);
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}
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} // end if (!enrol_student)
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if ($SESSION->wantsurl) {
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$destination = $SESSION->wantsurl;
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unset($SESSION->wantsurl);
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} else {
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$destination = "$CFG->wwwroot/course/view.php?id=$course->id";
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}
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redirect($destination);
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}
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}
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function zero_cost($course) {
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$cost = $this->get_course_cost($course);
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if (abs($cost) < 0.01) { // no cost
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return true;
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}
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return false;
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}
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function get_course_cost($course) {
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global $CFG;
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$cost = (float)0;
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if (isset($course->cost)) {
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if (((float)$course->cost) < 0) {
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$cost = (float)$CFG->enrol_cost;
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} else {
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$cost = (float)$course->cost;
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}
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}
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$cost = format_float($cost, 2);
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return $cost;
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}
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/// Override the get_access_icons() function
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function get_access_icons($course) {
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global $CFG;
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$str = '';
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$cost = $this->get_course_cost($course);
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if (abs($cost) < 0.01) {
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$str = parent::get_access_icons($course);
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} else {
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$strrequirespayment = get_string("requirespayment");
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$strcost = get_string("cost");
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if (empty($CFG->enrol_currency)) {
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set_config('enrol_currency', 'USD');
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}
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switch ($CFG->enrol_currency) {
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case 'EUR': $currency = '€'; break;
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case 'CAD': $currency = '$'; break;
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case 'GBP': $currency = '£'; break;
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case 'JPY': $currency = '¥'; break;
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default: $currency = '$'; break;
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}
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$str .= "<p class=\"coursecost\"><font size=-1>$strcost: " .
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"<a title=\"$strrequirespayment\" href=\"$CFG->wwwroot/course/view.php?id=$course->id\"></a>" .
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"$currency" . format_float($cost, 2) . '</a></p>';
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}
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return $str;
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}
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function config_form($frm) {
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global $CFG;
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$ancurrencies = array(
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'USD' => 'US Dollars',
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'EUR' => 'Euros',
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'JPY' => 'Japanese Yen',
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'GBP' => 'British Pounds',
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'CAD' => 'Canadian Dollars'
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);
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$vars = array('an_login', 'an_tran_key', 'an_password', 'an_referer', 'an_test',
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'enrol_cost', 'enrol_currency', 'enrol_mailstudents', 'enrol_mailteachers', 'enrol_mailadmins');
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foreach ($vars as $var) {
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if (!isset($frm->$var)) {
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$frm->$var = '';
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}
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}
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if (!$this->check_openssl_loaded()) {
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notify('PHP must be compiled with SSL support (--with-openssl)');
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}
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if (data_submitted()) { // something POSTed
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// Some required fields
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if (empty($frm->an_login)) {
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notify("an_login required");
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}
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if (empty($frm->an_tran_key) && empty($frm->an_password)) {
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notify("an_tran_key or an_password required");
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}
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}
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include($CFG->dirroot.'/enrol/authorize/config.html');
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}
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function check_openssl_loaded() {
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return extension_loaded('openssl');
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}
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function process_config($config) {
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$return = $this->check_openssl_loaded();
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if (!isset($config->an_login)) {
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$config->an_login = '';
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}
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set_config('an_login', $config->an_login);
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if (!isset($config->an_password)) {
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$config->an_password = '';
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}
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set_config('an_password', $config->an_password);
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if (!isset($config->an_tran_key)) {
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$config->an_tran_key = '';
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}
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set_config('an_tran_key', $config->an_tran_key);
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// Some required fields
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if (empty($config->an_login)) {
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$return = false;
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}
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if (empty($config->an_tran_key) && empty($config->an_password)) {
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$return = false;
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}
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if (empty($config->an_referer)) {
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$config->an_referer = 'http://';
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}
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set_config('an_referer', $config->an_referer);
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if (!isset($config->an_test)) {
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$config->an_test = '';
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}
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set_config('an_test', $config->an_test);
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// --------------------------------------
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if (!isset($config->enrol_cost)) {
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$config->enrol_cost = '0';
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}
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set_config('enrol_cost', $config->enrol_cost);
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if (!isset($config->enrol_currency)) {
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$config->enrol_currency = 'USD';
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}
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set_config('enrol_currency', $config->enrol_currency);
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if (!isset($config->enrol_mailstudents)) {
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$config->enrol_mailstudents = '';
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}
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set_config('enrol_mailstudents', $config->enrol_mailstudents);
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if (!isset($config->enrol_mailteachers)) {
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$config->enrol_mailteachers = '';
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}
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set_config('enrol_mailteachers', $config->enrol_mailteachers);
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if (!isset($config->enrol_mailadmins)) {
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$config->enrol_mailadmins = '';
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}
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set_config('enrol_mailadmins', $config->enrol_mailadmins);
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return $return;
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}
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function email_cc_error_to_admin($subject, $data) {
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$admin = get_admin();
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$site = get_site();
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$message = "$site->fullname: Transaction failed.\n\n$subject\n\n";
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foreach ($data as $key => $value) {
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$message .= "$key => $value\n";
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}
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email_to_user($admin, $admin, "CC ERROR: ".$subject, $message);
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}
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function check_paid() {
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global $CFG, $SESSION;
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if (isset($SESSION->ccpaid)) {
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unset($SESSION->ccpaid);
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redirect($CFG->wwwroot . '/login/logout.php');
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exit;
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}
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}
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} // end of class definition
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?>
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