package common import ( "encoding/json" "errors" "io/ioutil" "log" "strconv" "strings" ) // Site holds the basic settings which should be tweaked when setting up a site, we might move them to the settings table at some point var Site = &site{Name: "Magical Fairy Land", Language: "english"} // DbConfig holds the database configuration var DbConfig = &dbConfig{Host: "localhost"} // Config holds the more technical settings var Config = new(config) // Dev holds build flags and other things which should only be modified during developers or to gather additional test data var Dev = new(devConfig) var PluginConfig = map[string]string{} type site struct { ShortName string Name string Email string URL string Host string LocalHost bool // Used internally, do not modify as it will be overwritten Port string PortInt int // Alias for efficiency, do not modify, will be overwritten EnableSsl bool EnableEmails bool HasProxy bool Language string MaxRequestSize int // Alias, do not modify, will be overwritten } type dbConfig struct { // Production database Adapter string Host string Username string Password string Dbname string Port string // Test database. Split this into a separate variable? TestAdapter string TestHost string TestUsername string TestPassword string TestDbname string TestPort string } type config struct { SslPrivkey string SslFullchain string HashAlgo string // Defaults to bcrypt, and in the future, possibly something stronger ConvoKey string MaxRequestSizeStr string MaxRequestSize int UserCache string UserCacheCapacity int TopicCache string TopicCacheCapacity int ReplyCache string ReplyCacheCapacity int SMTPServer string SMTPUsername string SMTPPassword string SMTPPort string SMTPEnableTLS bool Search string DefaultPath string DefaultGroup int // Should be a setting in the database ActivationGroup int // Should be a setting in the database StaffCSS string // ? - Move this into the settings table? Might be better to implement this as Group CSS DefaultForum int // The forum posts go in by default, this used to be covered by the Uncategorised Forum, but we want to replace it with a more robust solution. Make this a setting? MinifyTemplates bool BuildSlugs bool // TODO: Make this a setting? PrimaryServer bool ServerCount int LastIPCutoff int // Currently just -1, non--1, but will accept the number of months a user's last IP should be retained for in the future before being purged. Please note that the other two cutoffs below operate off the numbers of days instead. PostIPCutoff int PollIPCutoff int LogPruneCutoff int //SelfDeleteTruncCutoff int // Personal data is stripped from the mod action rows only leaving the TID and the action for later investigation. DisableLastIP bool DisablePostIP bool DisablePollIP bool DisableRegLog bool //DisableSelfDeleteLog bool DisableLiveTopicList bool DisableJSAntispam bool //LooseCSP bool LooseHost bool LoosePort bool SslSchema bool // Pretend we're using SSL, might be useful if a reverse-proxy terminates SSL in-front of Gosora DisableServerPush bool EnableCDNPush bool DisableNoavatarRange bool DisableDefaultNoavatar bool RefNoTrack bool RefNoRef bool NoEmbed bool Noavatar string // ? - Move this into the settings table? ItemsPerPage int // ? - Move this into the settings table? MaxTopicTitleLength int MaxUsernameLength int ReadTimeout int WriteTimeout int IdleTimeout int } type devConfig struct { DebugMode bool SuperDebug bool TemplateDebug bool Profiling bool TestDB bool NoFsnotify bool // Super Experimental! FullReqLog bool ExtraTmpls string // Experimental flag for adding compiled templates, we'll likely replace this with a better mechanism //QuicPort int // Experimental! } // configHolder is purely for having a big struct to unmarshal data into type configHolder struct { Site *site Config *config Database *dbConfig Dev *devConfig Plugin map[string]string } func LoadConfig() error { data, err := ioutil.ReadFile("./config/config.json") if err != nil { return err } var config configHolder err = json.Unmarshal(data, &config) if err != nil { return err } Site = config.Site Config = config.Config DbConfig = config.Database Dev = config.Dev PluginConfig = config.Plugin return nil } var noavatarCache200 []string var noavatarCache48 []string func ProcessConfig() (err error) { if !Config.DisableDefaultNoavatar { noavatarCache200 = make([]string, 5) noavatarCache48 = make([]string, 5) for i := 0; i < 5; i++ { noavatarCache200[i] = "/s/n" + strconv.Itoa(i) + "-" + strconv.Itoa(200) + ".png?i=0" noavatarCache48[i] = "/s/n" + strconv.Itoa(i) + "-" + strconv.Itoa(48) + ".png?i=0" } } Config.Noavatar = strings.Replace(Config.Noavatar, "{site_url}", Site.URL, -1) guestAvatar = GuestAvatar{buildNoavatar(0, 200), buildNoavatar(0, 48)} // Strip these unnecessary bits, if we find them. Site.URL = strings.TrimPrefix(Site.URL, "http://") Site.URL = strings.TrimPrefix(Site.URL, "https://") Site.Host = Site.URL Site.LocalHost = Site.Host == "localhost" || Site.Host == "127.0.0.1" || Site.Host == "::1" Site.PortInt, err = strconv.Atoi(Site.Port) if err != nil { return errors.New("The port must be a valid integer") } if Site.PortInt != 80 && Site.PortInt != 443 { Site.URL = strings.TrimSuffix(Site.URL, "/") Site.URL = strings.TrimSuffix(Site.URL, "\\") Site.URL = strings.TrimSuffix(Site.URL, ":") Site.URL = Site.URL + ":" + Site.Port } if Site.EnableSsl { Config.SslSchema = Site.EnableSsl } if Config.DefaultPath == "" { Config.DefaultPath = "/topics/" } // TODO: Bump the size of max request size up, if it's too low Config.MaxRequestSize, err = strconv.Atoi(Config.MaxRequestSizeStr) if err != nil { reqSizeStr := Config.MaxRequestSizeStr if len(reqSizeStr) < 3 { return errors.New("Invalid unit for MaxRequestSizeStr") } quantity, err := strconv.Atoi(reqSizeStr[:len(reqSizeStr)-2]) if err != nil { return errors.New("Unable to convert quantity to integer in MaxRequestSizeStr, found " + reqSizeStr[:len(reqSizeStr)-2]) } unit := reqSizeStr[len(reqSizeStr)-2:] // TODO: Make it a named error just in case new errors are added in here in the future Config.MaxRequestSize, err = FriendlyUnitToBytes(quantity, unit) if err != nil { return errors.New("Unable to recognise unit for MaxRequestSizeStr, found " + unit) } } if Dev.DebugMode { log.Print("Set MaxRequestSize to ", Config.MaxRequestSize) } if Config.MaxRequestSize <= 0 { log.Fatal("MaxRequestSize should not be zero or below") } Site.MaxRequestSize = Config.MaxRequestSize if Config.PostIPCutoff == 0 { Config.PostIPCutoff = 120 // Default cutoff } if Config.LogPruneCutoff == 0 { Config.LogPruneCutoff = 180 // Default cutoff } if Config.LastIPCutoff == 0 { Config.LastIPCutoff = 3 // Default cutoff } if Config.LastIPCutoff > 12 { Config.LastIPCutoff = 12 } if Config.PollIPCutoff == 0 { Config.PollIPCutoff = 90 // Default cutoff } if Config.NoEmbed { DefaultParseSettings.NoEmbed = true } // ? Find a way of making these unlimited if zero? It might rule out some optimisations, waste memory, and break layouts if Config.MaxTopicTitleLength == 0 { Config.MaxTopicTitleLength = 100 } if Config.MaxUsernameLength == 0 { Config.MaxUsernameLength = 100 } GuestUser.Avatar, GuestUser.MicroAvatar = BuildAvatar(0, "") if Config.HashAlgo != "" { // TODO: Set the alternate hash algo, e.g. argon2 } // We need this in here rather than verifyConfig as switchToTestDB() currently overwrites the values it verifies if DbConfig.TestDbname == DbConfig.Dbname { return errors.New("Your test database can't have the same name as your production database") } if Dev.TestDB { SwitchToTestDB() } return nil } func VerifyConfig() (err error) { switch { case !Forums.Exists(Config.DefaultForum): err = errors.New("Invalid default forum") case Config.ServerCount < 1: err = errors.New("You can't have less than one server") case Config.MaxTopicTitleLength > 100: err = errors.New("The max topic title length cannot be over 100 as that's unable to fit in the database row") case Config.MaxUsernameLength > 100: err = errors.New("The max username length cannot be over 100 as that's unable to fit in the database row") } return err } func SwitchToTestDB() { DbConfig.Host = DbConfig.TestHost DbConfig.Username = DbConfig.TestUsername DbConfig.Password = DbConfig.TestPassword DbConfig.Dbname = DbConfig.TestDbname DbConfig.Port = DbConfig.TestPort }