add webhook helper

Author: djbusby

lib/Facade/Webhook.php

@@ -0,0 +1,38 @@
+<?php
+/*
+ * Webhook Helper
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+namespace OpenTHC\SSO\Facade;
+
+class Webhook {
+
+	/**
+	 * Calls the Webhook, Ignores Response
+	 */
+	static function emit(string $action, array $ctx) : void {
+
+		$url = \OpenTHC\Config::get('webhook/url');
+		if (empty($url)) {
+			return;
+		}
+
+		// PreShared Key
+		$psk = \OpenTHC\Config::get('webhook/psk');
+
+		$req = _curl_init($url);
+		$arg = [];
+		$arg['action'] = $action;
+		$arg['context'] = $ctx;
+		$arg = json_encode($arg);
+
+		// From Common
+		_curl_post_json($url, $arg, [
+			'authorization' => sprintf('openthc-psk %s', $psk)
+		]);
+
+	}
+
+}