From 350177df3949bf884d38e133a3048d582a50efdb Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Fri, 20 Oct 2023 23:39:30 +0300
Subject: add placeholder instrumentation for public

---
 public.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'public.php')

diff --git a/public.php b/public.php
index f44a94c01..6d9bc4b0c 100644
--- a/public.php
+++ b/public.php
@@ -14,6 +14,8 @@
 
 	if (!init_plugins()) return;
 
+	$span = OpenTelemetry\API\Trace\Span::getCurrent();
+
 	$method = (string)clean($_REQUEST["op"]);
 
 	// shortcut syntax for public (exposed) methods (?op=plugin--pmethod&...params)
@@ -39,27 +41,34 @@
 		user_error("Refusing to invoke method $method which starts with underscore.", E_USER_WARNING);
 		header("Content-Type: text/json");
 		print Errors::to_json(Errors::E_UNAUTHORIZED);
+		$span->setAttribute('error', Errors::E_UNAUTHORIZED);
 		return;
 	}
 
 	if (implements_interface($handler, "IHandler") && $handler->before($method)) {
+		$span->addEvent("construct/$method");
 		if ($method && method_exists($handler, $method)) {
 			$reflection = new ReflectionMethod($handler, $method);
 
 			if ($reflection->getNumberOfRequiredParameters() == 0) {
+				$span->addEvent("invoke/$method");
 				$handler->$method();
 			} else {
 				user_error("Refusing to invoke method $method which has required parameters.", E_USER_WARNING);
 				header("Content-Type: text/json");
 				print Errors::to_json(Errors::E_UNAUTHORIZED);
+				$span->setAttribute('error', Errors::E_UNAUTHORIZED);
 			}
 		} else if (method_exists($handler, 'index')) {
+			$span->addEvent("index");
 			$handler->index();
 		}
+		$span->addEvent("after/$method");
 		$handler->after();
 		return;
 	}
 
 	header("Content-Type: text/plain");
 	print Errors::to_json(Errors::E_UNKNOWN_METHOD);
-?>
+	$span->setAttribute('error', Errors::E_UNKNOWN_METHOD);
+
-- 
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