nickva commented on code in PR #5326:
URL: https://github.com/apache/couchdb/pull/5326#discussion_r1821385483
##########
src/chttpd/src/chttpd.erl:
##########
@@ -431,6 +431,34 @@ handle_req_after_auth(HandlerKey, HttpReq) ->
{HttpReq, catch_error(HttpReq, ErrorType, Error, Stack)}
end.
+nonce(MochiReq) ->
+ case MochiReq:get_header_value("X-Couch-Request-ID") of
+ undefined ->
+ new_nonce();
+ Value ->
+ case re:run(Value, nonce_regex(), [{capture, none}]) of
+ match ->
+ Value;
+ nomatch ->
+ new_nonce()
+ end
+ end.
+
+new_nonce() ->
+ couch_util:to_hex(crypto:strong_rand_bytes(5)).
+
+nonce_regex() ->
+ Key = chttpd_request_id_regex,
Review Comment:
Usually persistent terms are namespaced with a module they originated from
`{?MODULE, ...key...}`
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