mirror of
https://github.com/binwiederhier/ntfy.git
synced 2024-11-22 19:33:27 +01:00
129 lines
7.1 KiB
Go
129 lines
7.1 KiB
Go
// Package cmd provides the ntfy CLI application
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package cmd
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import (
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"errors"
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"fmt"
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"github.com/urfave/cli/v2"
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"github.com/urfave/cli/v2/altsrc"
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"heckel.io/ntfy/config"
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"heckel.io/ntfy/server"
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"heckel.io/ntfy/util"
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"log"
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"os"
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"time"
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)
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// New creates a new CLI application
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func New() *cli.App {
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flags := []cli.Flag{
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&cli.StringFlag{Name: "config", Aliases: []string{"c"}, EnvVars: []string{"NTFY_CONFIG_FILE"}, Value: "/etc/ntfy/config.yml", DefaultText: "/etc/ntfy/config.yml", Usage: "config file"},
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altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-http", Aliases: []string{"l"}, EnvVars: []string{"NTFY_LISTEN_HTTP"}, Value: config.DefaultListenHTTP, Usage: "ip:port used to as HTTP listen address"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-https", Aliases: []string{"L"}, EnvVars: []string{"NTFY_LISTEN_HTTPS"}, Usage: "ip:port used to as HTTPS listen address"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "key-file", Aliases: []string{"K"}, EnvVars: []string{"NTFY_KEY_FILE"}, Usage: "private key file, if listen-https is set"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "cert-file", Aliases: []string{"E"}, EnvVars: []string{"NTFY_CERT_FILE"}, Usage: "certificate file, if listen-https is set"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "firebase-key-file", Aliases: []string{"F"}, EnvVars: []string{"NTFY_FIREBASE_KEY_FILE"}, Usage: "Firebase credentials file; if set additionally publish to FCM topic"}),
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altsrc.NewStringFlag(&cli.StringFlag{Name: "cache-file", Aliases: []string{"C"}, EnvVars: []string{"NTFY_CACHE_FILE"}, Usage: "cache file used for message caching"}),
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altsrc.NewDurationFlag(&cli.DurationFlag{Name: "cache-duration", Aliases: []string{"b"}, EnvVars: []string{"NTFY_CACHE_DURATION"}, Value: config.DefaultCacheDuration, Usage: "buffer messages for this time to allow `since` requests"}),
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altsrc.NewDurationFlag(&cli.DurationFlag{Name: "keepalive-interval", Aliases: []string{"k"}, EnvVars: []string{"NTFY_KEEPALIVE_INTERVAL"}, Value: config.DefaultKeepaliveInterval, Usage: "interval of keepalive messages"}),
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altsrc.NewDurationFlag(&cli.DurationFlag{Name: "manager-interval", Aliases: []string{"m"}, EnvVars: []string{"NTFY_MANAGER_INTERVAL"}, Value: config.DefaultManagerInterval, Usage: "interval of for message pruning and stats printing"}),
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altsrc.NewIntFlag(&cli.IntFlag{Name: "global-topic-limit", Aliases: []string{"T"}, EnvVars: []string{"NTFY_GLOBAL_TOPIC_LIMIT"}, Value: config.DefaultGlobalTopicLimit, Usage: "total number of topics allowed"}),
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altsrc.NewIntFlag(&cli.IntFlag{Name: "visitor-subscription-limit", Aliases: []string{"V"}, EnvVars: []string{"NTFY_VISITOR_SUBSCRIPTION_LIMIT"}, Value: config.DefaultVisitorSubscriptionLimit, Usage: "number of subscriptions per visitor"}),
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altsrc.NewIntFlag(&cli.IntFlag{Name: "visitor-request-limit-burst", Aliases: []string{"B"}, EnvVars: []string{"NTFY_VISITOR_REQUEST_LIMIT_BURST"}, Value: config.DefaultVisitorRequestLimitBurst, Usage: "initial limit of requests per visitor"}),
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altsrc.NewDurationFlag(&cli.DurationFlag{Name: "visitor-request-limit-replenish", Aliases: []string{"R"}, EnvVars: []string{"NTFY_VISITOR_REQUEST_LIMIT_REPLENISH"}, Value: config.DefaultVisitorRequestLimitReplenish, Usage: "interval at which burst limit is replenished (one per x)"}),
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altsrc.NewBoolFlag(&cli.BoolFlag{Name: "behind-proxy", Aliases: []string{"P"}, EnvVars: []string{"NTFY_BEHIND_PROXY"}, Value: false, Usage: "if set, use X-Forwarded-For header to determine visitor IP address (for rate limiting)"}),
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}
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return &cli.App{
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Name: "ntfy",
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Usage: "Simple pub-sub notification service",
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UsageText: "ntfy [OPTION..]",
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HideHelp: true,
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HideVersion: true,
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EnableBashCompletion: true,
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UseShortOptionHandling: true,
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Reader: os.Stdin,
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Writer: os.Stdout,
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ErrWriter: os.Stderr,
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Action: execRun,
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Before: initConfigFileInputSource("config", flags),
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Flags: flags,
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}
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}
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func execRun(c *cli.Context) error {
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// Read all the options
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listenHTTP := c.String("listen-http")
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listenHTTPS := c.String("listen-https")
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keyFile := c.String("key-file")
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certFile := c.String("cert-file")
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firebaseKeyFile := c.String("firebase-key-file")
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cacheFile := c.String("cache-file")
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cacheDuration := c.Duration("cache-duration")
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keepaliveInterval := c.Duration("keepalive-interval")
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managerInterval := c.Duration("manager-interval")
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globalTopicLimit := c.Int("global-topic-limit")
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visitorSubscriptionLimit := c.Int("visitor-subscription-limit")
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visitorRequestLimitBurst := c.Int("visitor-request-limit-burst")
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visitorRequestLimitReplenish := c.Duration("visitor-request-limit-replenish")
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behindProxy := c.Bool("behind-proxy")
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// Check values
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if firebaseKeyFile != "" && !util.FileExists(firebaseKeyFile) {
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return errors.New("if set, FCM key file must exist")
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} else if keepaliveInterval < 5*time.Second {
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return errors.New("keepalive interval cannot be lower than five seconds")
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} else if managerInterval < 5*time.Second {
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return errors.New("manager interval cannot be lower than five seconds")
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} else if cacheDuration > 0 && cacheDuration < managerInterval {
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return errors.New("cache duration cannot be lower than manager interval")
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} else if keyFile != "" && !util.FileExists(keyFile) {
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return errors.New("if set, key file must exist")
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} else if certFile != "" && !util.FileExists(certFile) {
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return errors.New("if set, certificate file must exist")
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} else if listenHTTPS != "" && (keyFile == "" || certFile == "") {
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return errors.New("if listen-https is set, both key-file and cert-file must be set")
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}
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// Run server
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conf := config.New(listenHTTP)
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conf.ListenHTTPS = listenHTTPS
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conf.KeyFile = keyFile
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conf.CertFile = certFile
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conf.FirebaseKeyFile = firebaseKeyFile
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conf.CacheFile = cacheFile
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conf.CacheDuration = cacheDuration
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conf.KeepaliveInterval = keepaliveInterval
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conf.ManagerInterval = managerInterval
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conf.GlobalTopicLimit = globalTopicLimit
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conf.VisitorSubscriptionLimit = visitorSubscriptionLimit
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conf.VisitorRequestLimitBurst = visitorRequestLimitBurst
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conf.VisitorRequestLimitReplenish = visitorRequestLimitReplenish
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conf.BehindProxy = behindProxy
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s, err := server.New(conf)
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if err != nil {
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log.Fatalln(err)
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}
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if err := s.Run(); err != nil {
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log.Fatalln(err)
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}
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log.Printf("Exiting.")
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return nil
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}
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// initConfigFileInputSource is like altsrc.InitInputSourceWithContext and altsrc.NewYamlSourceFromFlagFunc, but checks
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// if the config flag is exists and only loads it if it does. If the flag is set and the file exists, it fails.
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func initConfigFileInputSource(configFlag string, flags []cli.Flag) cli.BeforeFunc {
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return func(context *cli.Context) error {
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configFile := context.String(configFlag)
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if context.IsSet(configFlag) && !util.FileExists(configFile) {
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return fmt.Errorf("config file %s does not exist", configFile)
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} else if !context.IsSet(configFlag) && !util.FileExists(configFile) {
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return nil
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}
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inputSource, err := altsrc.NewYamlSourceFromFile(configFile)
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if err != nil {
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return err
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}
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return altsrc.ApplyInputSourceValues(context, inputSource, flags)
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}
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}
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