fix(util): check that the name length is min of 1

ar-io · Jan 21, 2025 · 5a0bfc5 · 5a0bfc5
1 parent 5096f6a
commit 5a0bfc5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/common/utils.lua b/src/common/utils.lua
@@ -67,7 +67,8 @@ function utils.validateUndername(name)
 	--- max 61 chars
 	--- no starting dashes or underscores
 	--- alphanumeric, dashes, underscores OR one '@' sign
-	local validLength = #name <= constants.MAX_UNDERNAME_LENGTH
+
+	local validLength = #name <= constants.MAX_UNDERNAME_LENGTH and #name > 0
 	local validRegex = string.match(name, "^@$") ~= nil or string.match(name, "^[a-zA-Z0-9]+[a-zA-Z0-9_-]*$") ~= nil
 	local valid = validLength and validRegex
 	assert(valid, constants.UNDERNAME_DOES_NOT_EXIST_MESSAGE)