diff options
Diffstat (limited to 'plugin/valid.go')
| -rw-r--r-- | plugin/valid.go | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/plugin/valid.go b/plugin/valid.go index 62c594a1a..5c543e673 100644 --- a/plugin/valid.go +++ b/plugin/valid.go @@ -9,16 +9,23 @@ import ( ) const ( - MinIdLength = 3 - MaxIdLength = 190 + MinIdLength = 3 + MaxIdLength = 190 + ValidIdRegex = `^[a-zA-Z0-9-_\.]+$` ) -var ValidId *regexp.Regexp +// ValidId constrains the set of valid plugin identifiers: +// ^[a-zA-Z0-9-_\.]+ +var validId *regexp.Regexp func init() { - ValidId = regexp.MustCompile(`^[a-zA-Z0-9-_\.]+$`) + validId = regexp.MustCompile(ValidIdRegex) } +// IsValidId verifies that the plugin id has a minimum length of 3, maximum length of 190, and +// contains only alphanumeric characters, dashes, underscores and periods. +// +// These constraints are necessary since the plugin id is used as part of a filesystem path. func IsValidId(id string) bool { if utf8.RuneCountInString(id) < MinIdLength { return false @@ -28,5 +35,5 @@ func IsValidId(id string) bool { return false } - return ValidId.MatchString(id) + return validId.MatchString(id) } |