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Add validation for feature label names

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This commit is contained in:
Markus Lehtonen 2018-09-28 12:38:41 +03:00
parent a84b5c9d82
commit 9474ef0815
1 changed files with 8 additions and 1 deletions
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9
main.go
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@ -47,7 +47,8 @@ const (
)
var (
version = "" // Must not be const, set using ldflags at build time
version = "" // Must not be const, set using ldflags at build time
validFeatureNameRe = regexp.MustCompile(`^([-.\w]*)?[A-Za-z0-9]$`)
)
// package loggers
@ -355,6 +356,12 @@ func getFeatureLabels(source source.FeatureSource) (labels Labels, err error) {
return nil, err
}
for k := range features {
// Validate label
if !validFeatureNameRe.MatchString(k) {
stderrLogger.Printf("Invalid feature name '%s', ignoring...", k)
continue
}
prefix := source.Name() + "-"
switch source.(type) {
case local.Source: