From 044bab7e5b9fbc492f9dd4876a3d95020e1ebe23 Mon Sep 17 00:00:00 2001
From: Mochamad Noor Syamsu <samsu.noor@gmail.com>
Date: Wed, 3 Apr 2024 23:25:20 +0700
Subject: [PATCH] fix(http): handle axios error code
 UNABLE_TO_VERIFY_LEAF_SIGNATURE

---
 docs/src/pages/guides/probes.md             |  1 +
 src/components/probe/prober/http/request.ts | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/docs/src/pages/guides/probes.md b/docs/src/pages/guides/probes.md
index 3ec3380a9..c6f37893c 100644
--- a/docs/src/pages/guides/probes.md
+++ b/docs/src/pages/guides/probes.md
@@ -332,6 +332,7 @@ To make it easier to troubleshoot HTTP requests, we have mapped low-level errors
 | 24   | Request / response size mismatch with Content-Length header value |
 | 25   | Missing HTTP client pool                                          |
 | 26   | Expected error, exact reason is shown on runtime                  |
+| 27   | Unable to verify the first / leaf certificate                     |
 | 99   | Others                                                            |
 | 599  | Connection aborted                                                |
 
diff --git a/src/components/probe/prober/http/request.ts b/src/components/probe/prober/http/request.ts
index 75d1d10bd..aadca6a3a 100644
--- a/src/components/probe/prober/http/request.ts
+++ b/src/components/probe/prober/http/request.ts
@@ -423,6 +423,8 @@ function handleAxiosError(
   }
 }
 
+// suppress switch-case complexity since this is dead-simple mapping to error code
+// eslint-disable-next-line complexity
 function getErrorStatusWithExplanation(error: unknown): {
   status: number
   description: string
@@ -573,6 +575,14 @@ function getErrorStatusWithExplanation(error: unknown): {
       }
     }
 
+    case 'UNABLE_TO_VERIFY_LEAF_SIGNATURE': {
+      return {
+        status: 27,
+        description:
+          'ELEAFSIGNATURE: Unable to verify the first / leaf certificate.',
+      }
+    }
+
     default: {
       if (error instanceof AxiosError) {
         log.error(