package server import ( "heckel.io/ntfy/user" "io/fs" "net/netip" "time" ) // Defines default config settings (excluding limits, see below) const ( DefaultListenHTTP = ":80" DefaultCacheDuration = 12 * time.Hour DefaultKeepaliveInterval = 45 * time.Second // Not too frequently to save battery (Android read timeout used to be 77s!) DefaultManagerInterval = time.Minute DefaultDelayedSenderInterval = 10 * time.Second DefaultMinDelay = 10 * time.Second DefaultMaxDelay = 3 * 24 * time.Hour DefaultFirebaseKeepaliveInterval = 3 * time.Hour // ~control topic (Android), not too frequently to save battery DefaultFirebasePollInterval = 20 * time.Minute // ~poll topic (iOS), max. 2-3 times per hour (see docs) DefaultFirebaseQuotaExceededPenaltyDuration = 10 * time.Minute // Time that over-users are locked out of Firebase if it returns "quota exceeded" ) // Defines all global and per-visitor limits // - message size limit: the max number of bytes for a message // - total topic limit: max number of topics overall // - various attachment limits const ( DefaultMessageLengthLimit = 4096 // Bytes DefaultTotalTopicLimit = 15000 DefaultAttachmentTotalSizeLimit = int64(5 * 1024 * 1024 * 1024) // 5 GB DefaultAttachmentFileSizeLimit = int64(15 * 1024 * 1024) // 15 MB DefaultAttachmentExpiryDuration = 3 * time.Hour ) // Defines all per-visitor limits // - per visitor subscription limit: max number of subscriptions (active HTTP connections) per per-visitor/IP // - per visitor request limit: max number of PUT/GET/.. requests (here: 60 requests bucket, replenished at a rate of one per 5 seconds) // - per visitor email limit: max number of emails (here: 16 email bucket, replenished at a rate of one per hour) // - per visitor attachment size limit: total per-visitor attachment size in bytes to be stored on the server // - per visitor attachment daily bandwidth limit: number of bytes that can be transferred to/from the server const ( DefaultVisitorSubscriptionLimit = 30 DefaultVisitorRequestLimitBurst = 60 DefaultVisitorRequestLimitReplenish = 5 * time.Second DefaultVisitorEmailLimitBurst = 16 DefaultVisitorEmailLimitReplenish = time.Hour DefaultVisitorAccountCreateLimitBurst = 3 DefaultVisitorAccountCreateLimitReplenish = 24 * time.Hour DefaultVisitorAttachmentTotalSizeLimit = 100 * 1024 * 1024 // 100 MB DefaultVisitorAttachmentDailyBandwidthLimit = 500 * 1024 * 1024 // 500 MB ) // Config is the main config struct for the application. Use New to instantiate a default config struct. type Config struct { BaseURL string ListenHTTP string ListenHTTPS string ListenUnix string ListenUnixMode fs.FileMode KeyFile string CertFile string FirebaseKeyFile string CacheFile string CacheDuration time.Duration CacheStartupQueries string CacheBatchSize int CacheBatchTimeout time.Duration AuthFile string AuthDefault user.Permission AttachmentCacheDir string AttachmentTotalSizeLimit int64 AttachmentFileSizeLimit int64 AttachmentExpiryDuration time.Duration KeepaliveInterval time.Duration ManagerInterval time.Duration WebRootIsApp bool DelayedSenderInterval time.Duration FirebaseKeepaliveInterval time.Duration FirebasePollInterval time.Duration FirebaseQuotaExceededPenaltyDuration time.Duration UpstreamBaseURL string SMTPSenderAddr string SMTPSenderUser string SMTPSenderPass string SMTPSenderFrom string SMTPServerListen string SMTPServerDomain string SMTPServerAddrPrefix string MessageLimit int MinDelay time.Duration MaxDelay time.Duration TotalTopicLimit int TotalAttachmentSizeLimit int64 VisitorSubscriptionLimit int VisitorAttachmentTotalSizeLimit int64 VisitorAttachmentDailyBandwidthLimit int VisitorRequestLimitBurst int VisitorRequestLimitReplenish time.Duration VisitorRequestExemptIPAddrs []netip.Prefix VisitorEmailLimitBurst int VisitorEmailLimitReplenish time.Duration VisitorAccountCreateLimitBurst int VisitorAccountCreateLimitReplenish time.Duration BehindProxy bool EnableWeb bool EnableSignup bool EnableLogin bool EnableEmailConfirm bool EnableResetPassword bool EnableAccountUpgrades bool Version string // injected by App } // NewConfig instantiates a default new server config func NewConfig() *Config { return &Config{ BaseURL: "", ListenHTTP: DefaultListenHTTP, ListenHTTPS: "", ListenUnix: "", ListenUnixMode: 0, KeyFile: "", CertFile: "", FirebaseKeyFile: "", CacheFile: "", CacheDuration: DefaultCacheDuration, CacheBatchSize: 0, CacheBatchTimeout: 0, AuthFile: "", AuthDefault: user.NewPermission(true, true), AttachmentCacheDir: "", AttachmentTotalSizeLimit: DefaultAttachmentTotalSizeLimit, AttachmentFileSizeLimit: DefaultAttachmentFileSizeLimit, AttachmentExpiryDuration: DefaultAttachmentExpiryDuration, KeepaliveInterval: DefaultKeepaliveInterval, ManagerInterval: DefaultManagerInterval, MessageLimit: DefaultMessageLengthLimit, MinDelay: DefaultMinDelay, MaxDelay: DefaultMaxDelay, DelayedSenderInterval: DefaultDelayedSenderInterval, FirebaseKeepaliveInterval: DefaultFirebaseKeepaliveInterval, FirebasePollInterval: DefaultFirebasePollInterval, FirebaseQuotaExceededPenaltyDuration: DefaultFirebaseQuotaExceededPenaltyDuration, TotalTopicLimit: DefaultTotalTopicLimit, VisitorSubscriptionLimit: DefaultVisitorSubscriptionLimit, VisitorAttachmentTotalSizeLimit: DefaultVisitorAttachmentTotalSizeLimit, VisitorAttachmentDailyBandwidthLimit: DefaultVisitorAttachmentDailyBandwidthLimit, VisitorRequestLimitBurst: DefaultVisitorRequestLimitBurst, VisitorRequestLimitReplenish: DefaultVisitorRequestLimitReplenish, VisitorRequestExemptIPAddrs: make([]netip.Prefix, 0), VisitorEmailLimitBurst: DefaultVisitorEmailLimitBurst, VisitorEmailLimitReplenish: DefaultVisitorEmailLimitReplenish, VisitorAccountCreateLimitBurst: DefaultVisitorAccountCreateLimitBurst, VisitorAccountCreateLimitReplenish: DefaultVisitorAccountCreateLimitReplenish, BehindProxy: false, EnableWeb: true, Version: "", } }