first commit

application/core/EA_Input.php

@@ -0,0 +1,83 @@
+<?php defined('BASEPATH') or exit('No direct script access allowed');
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Online Appointment Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) Alex Tselegidis
+ * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        https://easyappointments.org
+ * @since       v1.4.0
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Easy!Appointments input.
+ *
+ * @property EA_Benchmark $benchmark
+ * @property EA_Cache $cache
+ * @property EA_Calendar $calendar
+ * @property EA_Config $config
+ * @property EA_DB_forge $dbforge
+ * @property EA_DB_query_builder $db
+ * @property EA_DB_utility $dbutil
+ * @property EA_Email $email
+ * @property EA_Encrypt $encrypt
+ * @property EA_Encryption $encryption
+ * @property EA_Exceptions $exceptions
+ * @property EA_Hooks $hooks
+ * @property EA_Input $input
+ * @property EA_Lang $lang
+ * @property EA_Loader $load
+ * @property EA_Log $log
+ * @property EA_Migration $migration
+ * @property EA_Output $output
+ * @property EA_Profiler $profiler
+ * @property EA_Router $router
+ * @property EA_Security $security
+ * @property EA_Session $session
+ * @property EA_Upload $upload
+ * @property EA_URI $uri
+ *
+ * @property string $raw_input_stream
+ */
+class EA_Input extends CI_Input
+{
+    /**
+     * Fetch an item from JSON data.
+     *
+     * @param string|null $index Index for item to be fetched from the JSON payload.
+     * @param bool|false $xss_clean Whether to apply XSS filtering
+     *
+     * @return mixed
+     */
+    public function json(?string $index = null, bool $xss_clean = false): mixed
+    {
+        /** @var EA_Controller $CI */
+        $CI = &get_instance();
+
+        if (strpos((string) $CI->input->get_request_header('Content-Type'), 'application/json') === false) {
+            return null;
+        }
+
+        $input_stream = $CI->input->raw_input_stream;
+
+        if (empty($input_stream)) {
+            return null;
+        }
+
+        $payload = json_decode($input_stream, true);
+
+        if ($xss_clean) {
+            foreach ($payload as $name => $value) {
+                $payload[$name] = $CI->security->xss_clean($value);
+            }
+        }
+
+        if (empty($index)) {
+            return $payload;
+        }
+
+        return $payload[$index] ?? null;
+    }
+}