/** * Creates course enrol form, checks if form submitted * and enrols user if necessary. It can also redirect. * * @param stdClass $instance * @return string html text, usually a form in a text box */ public function enrol_page_hook(stdClass $instance) { global $CFG, $OUTPUT, $SESSION, $USER; if ($instance->password === '') { return null; } if (isset($USER->enrol['tempguest'][$instance->courseid]) and $USER->enrol['tempguest'][$instance->courseid] > time()) { // no need to show the guest access when user can already enter course as guest return null; } require_once "{$CFG->dirroot}/enrol/guest/locallib.php"; $form = new enrol_guest_enrol_form(NULL, $instance); $instanceid = optional_param('instance', 0, PARAM_INT); if ($instance->id == $instanceid) { if ($data = $form->get_data()) { // add guest role $context = context_course::instance($instance->courseid); $USER->enrol_guest_passwords[$instance->id] = $data->guestpassword; // this is a hack, ideally we should not add stuff to $USER... if (isset($USER->enrol['tempguest'][$instance->courseid])) { remove_temp_course_roles($context); } load_temp_course_role($context, $CFG->guestroleid); $USER->enrol['tempguest'][$instance->courseid] = ENROL_MAX_TIMESTAMP; // go to the originally requested page if (!empty($SESSION->wantsurl)) { $destination = $SESSION->wantsurl; unset($SESSION->wantsurl); } else { $destination = "{$CFG->wwwroot}/course/view.php?id={$instance->courseid}"; } redirect($destination); } } ob_start(); $form->display(); $output = ob_get_clean(); return $OUTPUT->box($output, 'generalbox'); }
/** * Creates course enrol form, checks if form submitted * and enrols user if necessary. It can also redirect. * * @param stdClass $instance * @return string html text, usually a form in a text box */ public function enrol_page_hook(stdClass $instance) { global $CFG, $OUTPUT, $SESSION, $USER; if (empty($instance->password)) { return null; } require_once "{$CFG->dirroot}/enrol/guest/locallib.php"; $form = new enrol_guest_enrol_form(NULL, $instance); $instanceid = optional_param('instance', 0, PARAM_INT); if ($instance->id == $instanceid) { if ($data = $form->get_data()) { // set up primitive require_login() caching unset($USER->enrol['enrolled'][$instance->courseid]); $USER->enrol['tempguest'][$instance->courseid] = time() + 60 * 60 * 8; // 8 hours access before asking for pw again // add guest role $context = get_context_instance(CONTEXT_COURSE, $instance->courseid); load_temp_course_role($context, $CFG->guestroleid); // go to the originally requested page if (!empty($SESSION->wantsurl)) { $destination = $SESSION->wantsurl; unset($SESSION->wantsurl); } else { $destination = "{$CFG->wwwroot}/course/view.php?id={$instance->courseid}"; } redirect($destination); } } ob_start(); $form->display(); $output = ob_get_clean(); return $OUTPUT->box($output, 'generalbox'); }