package protocol import ( "context" "errors" "fmt" "regexp" "runtime" "strings" "github.com/status-im/status-go/multiaccounts/settings" sociallinkssettings "github.com/status-im/status-go/multiaccounts/settings_social_links" "github.com/status-im/status-go/protocol/encryption/multidevice" "github.com/status-im/status-go/protocol/identity" "github.com/status-im/status-go/protocol/identity/alias" "github.com/status-im/status-go/server" ) 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 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.UpdateKeypairName(m.account.KeyUID, displayName) if err != nil { return err } err = m.resetLastPublishedTimeForChatIdentity() if err != nil { return err } return m.publishContactCode() } func (m *Messenger) SaveSyncDisplayName(displayName string, clock uint64) error { err := m.settings.SaveSyncSetting(settings.DisplayName, displayName, clock) if err != nil { return err } preferredNameClock, err := m.settings.GetSettingLastSynced(settings.PreferredName) if err != nil { return err } // check clock of preferred name to avoid override account name if preferredNameClock < clock { m.account.Name = displayName return m.multiAccounts.SaveAccount(*m.account) } return nil } 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 { l := link if err := ValidateSocialLink(l); err != nil { return err } } return nil } func ValidateSocialLink(link *identity.SocialLink) error { if len(link.Text) > maxSocialLinkTextLength { return ErrInvalidSocialLinkTextLength } return nil } func (m *Messenger) AddOrReplaceSocialLinks(socialLinks identity.SocialLinks) error { if len(socialLinks) > sociallinkssettings.MaxNumOfSocialLinks { return errors.New("exceeded maximum number of social links") } currentSocialLinks, err := m.settings.GetSocialLinks() if err != nil { return err } if currentSocialLinks.Equal(socialLinks) { return nil // Do nothing } err = ValidateSocialLinks(socialLinks) if err != nil { return err } err = m.withChatClock(func(chatID string, clock uint64) error { err = m.settings.AddOrReplaceSocialLinksIfNewer(socialLinks, clock) if err != nil { return err } m.selfContact.SocialLinks = socialLinks m.publishSelfContactSubscriptions(&SelfContactChangeEvent{ SocialLinksChanged: true, }) err = m.syncSocialLinks(context.Background(), m.dispatchMessage) return err }) if err != nil { return err } if err = m.resetLastPublishedTimeForChatIdentity(); err != nil { return err } return m.publishContactCode() } func (m *Messenger) GetSocialLinks() (identity.SocialLinks, error) { return m.settings.GetSocialLinks() } func (m *Messenger) setInstallationHostname() error { imd, err := m.getOurInstallationMetadata() if err != nil { return err } // If the name and device are already set, don't do anything if len(imd.Name) != 0 && len(imd.DeviceType) != 0 { return nil } if len(imd.Name) == 0 { deviceName, err := m.settings.DeviceName() if err != nil { return err } if deviceName != "" { imd.Name = deviceName } else { hn, err := server.GetDeviceName() if err != nil { return err } imd.Name = fmt.Sprintf("%s %s", hn, imd.Name) } } if len(imd.DeviceType) == 0 { imd.DeviceType = runtime.GOOS } return m.setInstallationMetadata(m.installationID, imd) } func (m *Messenger) getOurInstallationMetadata() (*multidevice.InstallationMetadata, error) { ourInstallation, ok := m.allInstallations.Load(m.installationID) if !ok { return nil, fmt.Errorf("messenger's installationID is not set or not loadable") } if ourInstallation.InstallationMetadata == nil { return new(multidevice.InstallationMetadata), nil } return ourInstallation.InstallationMetadata, nil } func (m *Messenger) SetInstallationDeviceType(deviceType string) error { if strings.TrimSpace(deviceType) == "" { return errors.New("device type is empty") } imd, err := m.getOurInstallationMetadata() if err != nil { return err } // If the name is already set, don't do anything if len(imd.DeviceType) != 0 { return nil } imd.DeviceType = deviceType return m.setInstallationMetadata(m.installationID, imd) }