index.php

<?php
require_once('../../config.php');
require_once("{$CFG->libdir}/formslib.php");
require_once($CFG->libdir . '/adminlib.php');
require_once('forms.php');
require_once('locallib.php');

require_login();

require_capability('local/oauth:manageclients', context_system::instance());

admin_externalpage_setup('local_oauth_settings');

$action = optional_param('action', '', PARAM_ALPHA);

echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('pluginname', 'local_oauth'));

$view_table = false;
switch ($action) {
    case 'edit':
        $id = required_param('id', PARAM_TEXT);
        if (!$client_edit = $DB->get_record('oauth_clients', array('id' => $id))) {
            echo $OUTPUT->notification(get_string('client_not_exists', 'local_oauth'));
            $view_table = true;
            break;
        }

    case 'add':
        $bform = new local_oauth_clients_form();
        if ($bform->is_cancelled()) {
            $view_table = true;
            break;
        }

        if ($fromform = $bform->get_data() and confirm_sesskey()) {
            // get values
            $record = new stdClass();
            $record->redirect_uri = $fromform->redirect_uri;
            $record->grant_types = $fromform->grant_types;
            $record->scope = $fromform->scope;
            $record->user_id = $fromform->user_id ? $fromform->user_id : '';

            // do save
            if (!isset($client_edit)) {
                $record->client_id = $fromform->client_id;
                $record->client_secret = generate_secret();
                if (!$DB->insert_record('oauth_clients', $record)) {
                    throw new \moodle_exception('insert_error', 'local_oauth');
                }
            } else {
                $record->id = $client_edit->id;
                if (!$DB->update_record('oauth_clients', $record)) {
                    throw new \moodle_exception('update_error', 'local_oauth');
                }
            }
            echo $OUTPUT->notification(get_string('saveok', 'local_oauth'), 'notifysuccess');
            $view_table = true;
            break;
        }

        $form = new stdClass();
        // set values
        if (isset($client_edit)) {
            $form->client_id = $client_edit->client_id;
            $form->redirect_uri = $client_edit->redirect_uri;
            $form->grant_types = $client_edit->grant_types;
            $form->scope = $client_edit->scope;
            $form->user_id = $client_edit->user_id;
            $form->action = 'edit';
        } else {
            $form->client_id = '';
            $form->redirect_uri = '';
            $form->grant_types = 'authorization_code';
            $form->scope = 'user_info';
            $form->user_id = '0';
            $form->action = 'add';
        }
        $bform->set_data($form);
        $bform->display();

        break;

    case 'addwordpress':
        $bform = new local_oauth_clients_wp_form();
        if ($bform->is_cancelled()) {
            $view_table = true;
            break;
        } else {
            if ($fromform = $bform->get_data() and confirm_sesskey()) {
                if (!oauth_add_wordpress_client($fromform->client_id, $fromform->url)) {
                    throw new \moodle_exception('insert_error', 'local_oauth');
                }
                echo $OUTPUT->notification(get_string('saveok', 'local_oauth'), 'notifysuccess');
                $view_table = true;
                break;
            }
        }
        $bform->display();
        break;

    case 'addnodes':
        if (!oauth_add_wordpress_client('nodes', get_service_url('nodes'))) {
            throw new \moodle_exception('insert_error', 'local_oauth');
        }
        echo $OUTPUT->notification(get_string('saveok', 'local_oauth'), 'notifysuccess');
        $view_table = true;
        break;

    case 'del':
        // Get values
        $confirm = optional_param('confirm', 0, PARAM_INT);
        $id = required_param('id', PARAM_TEXT);

        // Do delete
        if (empty($confirm)) {
            if (!$client_edit = $DB->get_record('oauth_clients', array('id' => $id))) {
                echo $OUTPUT->notification(get_string('client_not_exists', 'local_oauth'));
                $view_table = true;
                break;
            }
            echo '<p>' . get_string('confirmdeletestr', 'local_oauth', $client_edit->client_id) . '</p>
                <form action="index.php" method="GET">
                    <input type="hidden" name="action" value="del" />
                    <input type="hidden" name="confirm" value="1" />
                    <input type="hidden" name="id" value="' . $id . '" />
                    <input type="submit" value="' . get_string('confirm') . '" /> <input type="button" value="' . get_string('cancel') . '" onclick="javascript:history.back();" />
                </form>';
        } else {
            if (!$DB->delete_records('oauth_clients', array('id' => $id))) {
                throw new \moodle_exception('delete_error', 'local_oauth');
            }
            echo $OUTPUT->notification(get_string('delok', 'local_oauth'), 'notifysuccess');
            $view_table = true;
            break;
        }
        break;

    default:
        $view_table = true;
        break;
}

if ($view_table) {
    echo '<p>';

    if (function_exists('is_agora') && is_agora()) {
        if (is_service_enabled('nodes') && !$DB->record_exists('oauth_clients', array('client_id' => 'nodes'))) {
            echo '<a href="index.php?action=addnodes" class="btn btn-primary" style="margin-right: 10px;">' . get_string('addnodesclient', 'local_oauth') . '</a>';
        }
        echo '<a href="index.php?action=addwordpress" class="btn btn-primary" style="margin-right: 10px;">' . get_string('addwordpressclient', 'local_oauth') . '</a>';
        echo '<a href="index.php?action=add" class="btn">' . get_string('addotherclient', 'local_oauth') . '</a>';
    } else {
        echo '<a href="index.php?action=add" class="btn">' . get_string('addclient', 'local_oauth') . '</a>';
    }

    echo '</p>';

    $clients = $DB->get_records('oauth_clients');

    if (!empty($clients)) {
        $table = new html_table();
        $table->class = 'generaltable generalbox';
        $table->head = array(
            get_string('client_id', 'local_oauth'),
            get_string('client_secret', 'local_oauth'),
            get_string('grant_types', 'local_oauth'),
            get_string('scope', 'local_oauth'),
            get_string('user_id', 'local_oauth'),
            get_string('actions'));
        $table->align = array('left', 'left', 'center', 'center', 'center', 'center', 'center');

        foreach ($clients as $client) {
            $row = array();
            $row[] = $client->client_id;
            $row[] = $client->client_secret;
            $row[] = $client->grant_types;
            $row[] = $client->scope;
            $row[] = $client->user_id;
            $row[] = "<a href=\"index.php?action=edit&id=" . $client->id . "\">" . get_string('edit') . "</a> | <a href=\"index.php?action=del&id=" . $client->id . "\">" . get_string('delete') . "</a>";
            $table->data[] = $row;
        }
        echo html_writer::table($table);
    }
}

echo $OUTPUT->footer();