add a script to add a user

plugins/cas_auth_unl/add_user.php

+<?php
+require_once __DIR__ . '/../../elgg/vendor/autoload.php';
+
+if (!isset($argv[1])) {
+    echo "usage: php add_user.php username" . PHP_EOL;
+    exit();
+}
+
+\Elgg\Application::start();
+
+$uid = $argv[1];
+
+$info = array();
+
+if (!$json = @file_get_contents(UnlCAS::DIRECTORY_URL . '?uid=' . $uid . '&format=json')) {
+    echo 'unable to get that ID' . PHP_EOL;
+    exit();
+}
+
+if (!$json = json_decode($json, true)) {
+    echo 'error decoding data' . PHP_EOL;
+    exit();
+}
+
+$map = array(
+    'givenName' => 'first_name',
+    'sn' => 'last_name',
+    'mail' => 'email'
+);
+
+foreach ($map as $from => $to) {
+    if (isset($json[$from][0])) {
+        $info[$to] = $json[$from][0];
+    }
+}
+
+$info['name'] = $info['first_name'] . ' ' . $info['last_name'];
+
+if (!isset($info['email'])) {
+    echo 'no email is available' . PHP_EOL;
+    exit();
+}
+
+$password = generate_random_cleartext_password();
+
+$elgg_uid = str_replace('-', '_', $uid);
+$elgg_uid = 'unl_' . $elgg_uid;
+
+try {
+    $user_guid = register_user($elgg_uid, $password, $info['name'], $info['email'], false);
+} catch (RegistrationException $e) {
+    //Looks like we had an invalid email address... ask for it again.
+    echo 'Unable to register, probably due to invalid email address or the user already exists' . PHP_EOL;
+    exit();
+}
+
+if (!$user_guid) {
+    echo 'Unable to register' . PHP_EOL;
+    exit();
+}
+
+echo 'User added: ' . $elgg_uid . PHP_EOL;