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[BRANDING] Add option for banning dots in usernames

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Co-authored-by: Gusted <postmaster@gusted.xyz>
This commit is contained in:
Panagiotis "Ivory" Vasilopoulos 2023-06-12 13:57:01 +02:00 • committed by Earl Warren
parent 734579ce9b
commit a7cde32f9a
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7 changed files with 57 additions and 5 deletions
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13
modules/validation/helpers.go
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@ -92,13 +92,20 @@ func IsValidExternalTrackerURLFormat(uri string) bool {
}
var (
validUsernamePattern = regexp.MustCompile(`^[\da-zA-Z][-.\w]*$`)
invalidUsernamePattern = regexp.MustCompile(`[-._]{2,}|[-._]$`) // No consecutive or trailing non-alphanumeric chars
validUsernamePatternWithDots = regexp.MustCompile(`^[\da-zA-Z][-.\w]*$`)
validUsernamePatternWithoutDots = regexp.MustCompile(`^[\da-zA-Z][-\w]*$`)
// No consecutive or trailing non-alphanumeric chars, catches both cases
invalidUsernamePattern = regexp.MustCompile(`[-._]{2,}|[-._]$`)
)
// IsValidUsername checks if username is valid
func IsValidUsername(name string) bool {
// It is difficult to find a single pattern that is both readable and effective,
// but it's easier to use positive and negative checks.
return validUsernamePattern.MatchString(name) && !invalidUsernamePattern.MatchString(name)
if setting.Service.AllowDotsInUsernames {
return validUsernamePatternWithDots.MatchString(name) && !invalidUsernamePattern.MatchString(name)
}
return validUsernamePatternWithoutDots.MatchString(name) && !invalidUsernamePattern.MatchString(name)
}