Michilis
bbfc64733a
Extend usernameRE to [a-z0-9_.-], preserve dots in SanitizeForUsername, and add tests for validation, sanitization, and nip05 sync precedence. Co-authored-by: Cursor <cursoragent@cursor.com>
76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
package user
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import (
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"errors"
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"regexp"
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"strings"
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"time"
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)
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type SubscriptionType string
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const (
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SubYearly SubscriptionType = "yearly"
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SubLifetime SubscriptionType = "lifetime"
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)
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func (s SubscriptionType) Valid() bool {
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return s == SubYearly || s == SubLifetime
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}
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type User struct {
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ID int64
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Pubkey string
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Username string
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SubscriptionType SubscriptionType
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ExpiresAt *time.Time
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IsActive bool
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ManualUsername bool
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LastSyncedAt *time.Time
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ExpiringReminderSentAt *time.Time
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DeactivatedAt *time.Time
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CreatedAt time.Time
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}
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func (u *User) IsLifetime() bool { return u.SubscriptionType == SubLifetime }
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func (u *User) InGrace() bool { return !u.IsActive && u.DeactivatedAt != nil }
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var (
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ErrInvalidUsername = errors.New("invalid username")
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ErrUserNotFound = errors.New("user not found")
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ErrUsernameTaken = errors.New("username taken")
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)
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// Username rules: 1-30 chars, [a-z0-9_.-], lowercase, must start with alnum.
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// Dot is allowed per NIP-05 local-part spec.
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var usernameRE = regexp.MustCompile(`^[a-z0-9][a-z0-9_.-]{0,29}$`)
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func ValidateUsername(name string, reserved []string) error {
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name = strings.ToLower(strings.TrimSpace(name))
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if !usernameRE.MatchString(name) {
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return ErrInvalidUsername
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}
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for _, r := range reserved {
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if strings.EqualFold(name, strings.TrimSpace(r)) {
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return ErrInvalidUsername
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}
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}
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return nil
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}
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func NormalizeUsername(name string) string {
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return strings.ToLower(strings.TrimSpace(name))
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}
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// ProvisionalUsername returns a deterministic placeholder handle for a pubkey
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// when the caller did not supply one. The format `u_<first 16 hex>` keeps the
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// result inside the 30-char username rule and matches usernameRE.
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func ProvisionalUsername(pubkey string) string {
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hex := strings.ToLower(strings.TrimSpace(pubkey))
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if len(hex) > 16 {
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hex = hex[:16]
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}
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return "u_" + hex
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}
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