Fix bugs with check plugins

Signed-off-by: Julius Härtl <jus@bitgrid.net>

1 files changed, 9 insertions, 0 deletions

diff --git a/apps/workflowengine/src/helpers/validators.js b/apps/workflowengine/src/helpers/validators.js
index 837b20ad44c..4936b9200f7 100644
--- a/apps/workflowengine/src/helpers/validators.js
+++ b/apps/workflowengine/src/helpers/validators.js
@@ -24,16 +24,25 @@ const regexIPv4 = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]
 const regexIPv6 = /^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))\/(1([01][0-9]|2[0-8])|[1-9][0-9]|[0-9])$/
 
 const validateRegex = function(string) {
+	if (!string) {
+		return false
+	}
 	const result = regexRegex.exec(string)
 	return result !== null
 }
 
 const validateIPv4 = function(string) {
+	if (!string) {
+		return false
+	}
 	const result = regexIPv4.exec(string)
 	return result !== null
 }
 
 const validateIPv6 = function(string) {
+	if (!string) {
+		return false
+	}
 	const result = regexIPv6.exec(string)
 	return result !== null
 }