package clean import ( "regexp" "strings" "github.com/photoprism/photoprism/pkg/list" "github.com/photoprism/photoprism/pkg/txt" ) var EmailRegexp = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$") // Username returns the sanitized username with trimmed whitespace and in lowercase. func Username(s string) string { // Remove unwanted characters. s = strings.Map(func(r rune) rune { if r <= 42 || r == 127 { return -1 } switch r { case '`', '~', '?', '|', '*', '\\', '%', '$', '@', ':', ';', '<', '>', '{', '}': return -1 } return r }, s) // Empty or too long? if s == "" || reject(s, txt.ClipUserName) { return "" } return strings.ToLower(s) } // Email returns the sanitized email with trimmed whitespace and in lowercase. func Email(s string) string { // Empty or too long? if s == "" || reject(s, txt.ClipEmail) { return "" } s = strings.ToLower(strings.TrimSpace(s)) if EmailRegexp.MatchString(s) { return s } return "" } // Role returns the sanitized role with trimmed whitespace and in lowercase. func Role(s string) string { // Remove unwanted characters. s = strings.Map(func(r rune) rune { if r <= 42 || r == 127 { return -1 } switch r { case '`', '~', '?', '|', '*', '\\', '%', '$', '@', ':', ';', '<', '>', '{', '}': return -1 } return r }, s) // Empty or too long? if s == "" || reject(s, txt.ClipRole) { return "" } return strings.ToLower(s) } // Attr returns the sanitized attributes. func Attr(s string) string { return list.ParseAttr(s).String() } // Password returns the sanitized password string with trimmed whitespace. func Password(s string) string { s = strings.TrimSpace(s) if s == "" || reject(s, txt.ClipPassword) { return "" } return s }