From ae238bc9849c99f324e7bb21af0b2b09b91bd1e9 Mon Sep 17 00:00:00 2001
From: Badlop <badlop@process-one.net>
Date: Wed, 11 Dec 2024 12:18:58 +0100
Subject: [PATCH] mod_http_api: Fix crash when module not enabled (for example,
 in CT tests)

---
 src/mod_http_api.erl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/mod_http_api.erl b/src/mod_http_api.erl
index 037cc1e8a..6df2f5612 100644
--- a/src/mod_http_api.erl
+++ b/src/mod_http_api.erl
@@ -214,7 +214,12 @@ get_api_version([<<"v", String/binary>> | Tail], Host) ->
 get_api_version([_Head | Tail], Host) ->
     get_api_version(Tail, Host);
 get_api_version([], Host) ->
-    mod_http_api_opt:default_version(Host).
+    try mod_http_api_opt:default_version(Host)
+    catch error:{module_not_loaded, ?MODULE, Host} ->
+        ?WARNING_MSG("Using module ~p for host ~s, but it isn't configured "
+                     "in the configuration file", [?MODULE, Host]),
+        ?DEFAULT_API_VERSION
+    end.
 
 %% ----------------
 %% command handlers