init ci

config.php

@@ -0,0 +1,45 @@
+<?php
+
+class Config {
+    private const NEXTCLOUD_BASE_URL = "NCBGW_BASE_URL";
+    private const SECRET = "NCBGW_SECRET";
+    private const BASIC_AUTH_USERNAME = 'NCBGW_USERNAME';
+    private const BASIC_AUTH_PASSWORD = 'NCBGW_PASSWORD';
+
+    private $nextCloudBaseUrl;
+    private $secret;
+    private $username;
+    private $password;
+
+    function __construct($config) {
+        $this->nextCloudBaseUrl = $this->getRequired($config, Config::NEXTCLOUD_BASE_URL);
+        $this->secret = $this->getRequired($config, Config::SECRET);
+        $this->username = $this->getRequired($config, Config::BASIC_AUTH_USERNAME);
+        $this->password = $this->getRequired($config, Config::BASIC_AUTH_PASSWORD);
+    }
+
+    private function getRequired($config, $key) {
+        if (array_key_exists($key, $config)) {
+            return $config[$key];
+        } else {
+            throw new Exception("missing configuration " . $key);
+        }
+    }
+
+    public function getSecret() {
+        return $this->secret;
+    }
+
+    public function getUrl() {
+        return $this->nextCloudBaseUrl . '/ocs/v2.php/apps/spreed/api/v1';
+    }
+
+    public function getUsername() {
+        return $this->username;
+    }
+
+    public function getPassword() {
+        return $this->password;
+    }
+}
+