Fix #3 - add new API for managing settings

Author: dmitriim

auth.php

@@ -147,34 +147,4 @@ public function user_login ($username, $password) {
         return false;
     }
 
-    /**
-     * Prints a form for configuring this authentication plugin.
-     *
-     * This function is called from admin/auth.php, and outputs a full page with
-     * a form for configuring this plugin.
-     *
-     * @param object $config
-     * @param object $err
-     * @param array $userfields
-     *
-     * @SuppressWarnings("unused")
-     */
-    public function config_form($config, $err, $userfields) {
-        $config = (object) array_merge($this->defaults, (array) $config );
-        include("config.php");
-    }
-
-    /**
-     * Processes and stores configuration data for this authentication plugin.
-     *
-     * @param object $config
-     */
-    public function process_config($config) {
-        foreach ($this->defaults as $key => $value) {
-            set_config($key, $config->$key, 'auth_basic');
-        }
-        return true;
-    }
-
 }
-

config.php

@@ -0,0 +1,46 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Settings
+ *
+ * @package    auth_basic
+ * @copyright  Dimitrii Metelkin <dmitriim@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die;
+
+if ($ADMIN->fulltree) {
+
+    $yesno = array(get_string('no'), get_string('yes'));
+
+    $settings->add(new admin_setting_configselect('auth_basic/send401',
+        new lang_string('send401', 'auth_basic'),
+        new lang_string('send401_help', 'auth_basic'), 0, $yesno)
+    );
+
+    $settings->add(new admin_setting_configselect('auth_basic/onlybasic',
+            new lang_string('onlybasic', 'auth_basic'),
+            new lang_string('onlybasic_help', 'auth_basic'), 0, $yesno)
+    );
+
+    $settings->add(new admin_setting_configselect('auth_basic/debug',
+            new lang_string('debug', 'auth_basic'),
+            new lang_string('debug_help', 'auth_basic'), 0, $yesno)
+    );
+
+}

settings.php

@@ -24,8 +24,8 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2016101001;    // The current plugin version (Date: YYYYMMDDXX).
-$plugin->release   = 2016101001;    // Match release exactly to version.
+$plugin->version   = 2018040600;    // The current plugin version (Date: YYYYMMDDXX).
+$plugin->release   = 2018040600;    // Match release exactly to version.
 $plugin->requires  = 2014050800;    // Requires this Moodle version.
 $plugin->component = 'auth_basic';  // Full name of the plugin (used for diagnostics).
 $plugin->maturity  = MATURITY_STABLE;