package api import ( "encoding/json" "errors" "fmt" "golang.org/x/exp/slices" ) type SystemSettingName string const ( // SystemSettingServerID is the key type of server id. SystemSettingServerID SystemSettingName = "serverId" // SystemSettingSecretSessionName is the key type of secret session name. SystemSettingSecretSessionName SystemSettingName = "secretSessionName" // SystemSettingAllowSignUpName is the key type of allow signup setting. SystemSettingAllowSignUpName SystemSettingName = "allowSignUp" // SystemSettingAdditionalStyleName is the key type of additional style. SystemSettingAdditionalStyleName SystemSettingName = "additionalStyle" // SystemSettingAdditionalScriptName is the key type of additional script. SystemSettingAdditionalScriptName SystemSettingName = "additionalScript" // SystemSettingCustomizedProfileName is the key type of customized server profile. SystemSettingCustomizedProfileName SystemSettingName = "customizedProfile" ) // CustomizedProfile is the struct definition for SystemSettingCustomizedProfileName system setting item. type CustomizedProfile struct { // Name is the server name, default is `memos` Name string `json:"name"` // LogoURL is the url of logo image. LogoURL string `json:"logoUrl"` // Description is the server description. Description string `json:"description"` // Locale is the server default locale. Locale string `json:"locale"` // Appearance is the server default appearance. Appearance string `json:"appearance"` // ExternalURL is the external url of server. e.g. https://usermemos.com ExternalURL string `json:"externalUrl"` } func (key SystemSettingName) String() string { switch key { case SystemSettingServerID: return "serverId" case SystemSettingSecretSessionName: return "secretSessionName" case SystemSettingAllowSignUpName: return "allowSignUp" case SystemSettingAdditionalStyleName: return "additionalStyle" case SystemSettingAdditionalScriptName: return "additionalScript" case SystemSettingCustomizedProfileName: return "customizedProfile" } return "" } var ( SystemSettingAllowSignUpValue = []bool{true, false} ) type SystemSetting struct { Name SystemSettingName // Value is a JSON string with basic value. Value string Description string } type SystemSettingUpsert struct { Name SystemSettingName `json:"name"` Value string `json:"value"` Description string `json:"description"` } func (upsert SystemSettingUpsert) Validate() error { if upsert.Name == SystemSettingServerID { return errors.New("update server id is not allowed") } else if upsert.Name == SystemSettingAllowSignUpName { value := false err := json.Unmarshal([]byte(upsert.Value), &value) if err != nil { return fmt.Errorf("failed to unmarshal system setting allow signup value") } invalid := true for _, v := range SystemSettingAllowSignUpValue { if value == v { invalid = false break } } if invalid { return fmt.Errorf("invalid system setting allow signup value") } } else if upsert.Name == SystemSettingAdditionalStyleName { value := "" err := json.Unmarshal([]byte(upsert.Value), &value) if err != nil { return fmt.Errorf("failed to unmarshal system setting additional style value") } } else if upsert.Name == SystemSettingAdditionalScriptName { value := "" err := json.Unmarshal([]byte(upsert.Value), &value) if err != nil { return fmt.Errorf("failed to unmarshal system setting additional script value") } } else if upsert.Name == SystemSettingCustomizedProfileName { customizedProfile := CustomizedProfile{ Name: "memos", LogoURL: "", Description: "", Locale: "en", Appearance: "system", ExternalURL: "", } err := json.Unmarshal([]byte(upsert.Value), &customizedProfile) if err != nil { return fmt.Errorf("failed to unmarshal system setting customized profile value") } if !slices.Contains(UserSettingLocaleValue, customizedProfile.Locale) { return fmt.Errorf("invalid locale value") } if !slices.Contains(UserSettingAppearanceValue, customizedProfile.Appearance) { return fmt.Errorf("invalid appearance value") } } else { return fmt.Errorf("invalid system setting name") } return nil } type SystemSettingFind struct { Name *SystemSettingName `json:"name"` }