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Prevent unparsable strings from being rendered in the Kubernetes template

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This commit is contained in:
Daniel Tomcej 2018-08-14 08:48:04 -06:00 • committed by Traefiker Bot
parent bb2686a08f
commit 278b3180c3
2 changed files with 40 additions and 0 deletions
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12
provider/kubernetes/kubernetes.go
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@ -883,7 +883,19 @@ func getFrontendRedirect(i *extensionsv1beta1.Ingress, baseName, path string) *t
}
redirectRegex := getStringValue(i.Annotations, annotationKubernetesRedirectRegex, "")
_, err := strconv.Unquote(`"` + redirectRegex + `"`)
if err != nil {
log.Debugf("Skipping Redirect on Ingress %s/%s due to invalid regex: %s", i.Namespace, i.Name, redirectRegex)
return nil
}
redirectReplacement := getStringValue(i.Annotations, annotationKubernetesRedirectReplacement, "")
_, err = strconv.Unquote(`"` + redirectReplacement + `"`)
if err != nil {
log.Debugf("Skipping Redirect on Ingress %s/%s due to invalid replacement: %q", i.Namespace, i.Name, redirectRegex)
return nil
}
if len(redirectRegex) > 0 && len(redirectReplacement) > 0 {
return &types.Redirect{
Regex: redirectRegex,