package protocol import ( "errors" "regexp" "strings" "github.com/status-im/status-go/multiaccounts/settings" "github.com/status-im/status-go/protocol/identity" "github.com/status-im/status-go/protocol/identity/alias" ) const ( maxBioLength = 240 maxSocialLinkTextLength = 24 ) var ErrInvalidDisplayNameRegExp = errors.New("only letters, numbers, underscores and hyphens allowed") var ErrInvalidDisplayNameEthSuffix = errors.New(`usernames ending with "eth" are not allowed`) var ErrInvalidDisplayNameNotAllowed = errors.New("name is not allowed") var ErrInvalidBioLength = errors.New("invalid bio length") var ErrInvalidSocialLinkTextLength = errors.New("invalid social link text length") func ValidateDisplayName(displayName *string) error { name := strings.TrimSpace(*displayName) *displayName = name if name == "" { return nil } // ^[\\w-\\s]{5,24}$ to allow spaces if match, _ := regexp.MatchString("^[\\w-\\s]{5,24}$", name); !match { return ErrInvalidDisplayNameRegExp } // .eth should not happen due to the regexp above, but let's keep it here in case the regexp is changed in the future if strings.HasSuffix(name, "_eth") || strings.HasSuffix(name, ".eth") || strings.HasSuffix(name, "-eth") { return ErrInvalidDisplayNameEthSuffix } if alias.IsAlias(name) { return ErrInvalidDisplayNameNotAllowed } return nil } func (m *Messenger) SetDisplayName(displayName string) error { currDisplayName, err := m.settings.DisplayName() if err != nil { return err } if currDisplayName == displayName { return nil // Do nothing } if err = ValidateDisplayName(&displayName); err != nil { return err } m.account.Name = displayName // We might need to do the same when syncing settings? err = m.multiAccounts.SaveAccount(*m.account) if err != nil { return err } err = m.settings.SaveSettingField(settings.DisplayName, displayName) if err != nil { return err } err = m.resetLastPublishedTimeForChatIdentity() if err != nil { return err } return m.publishContactCode() } func ValidateBio(bio *string) error { if len(*bio) > maxBioLength { return ErrInvalidBioLength } return nil } func (m *Messenger) SetBio(bio string) error { currentBio, err := m.settings.Bio() if err != nil { return err } if currentBio == bio { return nil // Do nothing } if err = ValidateBio(&bio); err != nil { return err } if err = m.settings.SaveSettingField(settings.Bio, bio); err != nil { return err } if err = m.resetLastPublishedTimeForChatIdentity(); err != nil { return err } return m.publishContactCode() } func ValidateSocialLinks(socialLinks *identity.SocialLinks) error { for _, link := range *socialLinks { if len(link.Text) > maxSocialLinkTextLength { return ErrInvalidSocialLinkTextLength } } return nil } func (m *Messenger) SetSocialLinks(socialLinks *identity.SocialLinks) error { currentSocialLinks, err := m.settings.GetSocialLinks() if err != nil { return err } if currentSocialLinks.Equals(*socialLinks) { return nil // Do nothing } if err = ValidateSocialLinks(socialLinks); err != nil { return err } if err = m.settings.SetSocialLinks(socialLinks); err != nil { return err } if err = m.resetLastPublishedTimeForChatIdentity(); err != nil { return err } return m.publishContactCode() }