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This commit is contained in:
Philipp Heckel 2022-06-01 16:57:35 -04:00
parent bd865fd55d
commit ab955d4d1c
15 changed files with 161 additions and 65 deletions
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2
cmd/access.go
View file

@ -28,7 +28,7 @@ var cmdAccess = &cli.Command{
Usage: "Grant/revoke access to a topic, or show access",
UsageText: "ntfy access [USERNAME [TOPIC [PERMISSION]]]",
Flags: flagsAccess,
Before: initLogFunc(initConfigFileInputSourceFunc("config", flagsAccess)),
Before: initConfigFileInputSourceFunc("config", flagsAccess, initLogFunc),
Action: execUserAccess,
Category: categoryServer,
Description: `Manage the access control list for the ntfy server.

14
cmd/app.go
View file

@ -3,6 +3,7 @@ package cmd
import (
"github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"
"heckel.io/ntfy/log"
"os"
)
@ -16,7 +17,7 @@ var commands = make([]*cli.Command, 0)
var flagsDefault = []cli.Flag{
&cli.BoolFlag{Name: "debug", Aliases: []string{"d"}, EnvVars: []string{"NTFY_DEBUG"}, Usage: "enable debug logging"},
&cli.StringFlag{Name: "log-level", Aliases: []string{"log_level"}, Value: log.InfoLevel.String(), EnvVars: []string{"NTFY_LOG_LEVEL"}, Usage: "set log level"},
altsrc.NewStringFlag(&cli.StringFlag{Name: "log-level", Aliases: []string{"log_level"}, Value: log.InfoLevel.String(), EnvVars: []string{"NTFY_LOG_LEVEL"}, Usage: "set log level"}),
}
// New creates a new CLI application
@ -32,22 +33,15 @@ func New() *cli.App {
ErrWriter: os.Stderr,
Commands: commands,
Flags: flagsDefault,
Before: initLogFunc(nil),
Before: initLogFunc,
}
}
func initLogFunc(next cli.BeforeFunc) cli.BeforeFunc {
return func(c *cli.Context) error {
func initLogFunc(c *cli.Context) error {
if c.Bool("debug") {
log.SetLevel(log.DebugLevel)
} else {
log.SetLevel(log.ToLevel(c.String("log-level")))
}
if next != nil {
if err := next(c); err != nil {
return err
}
}
return nil
}
}

12
cmd/config_loader.go
View file

@ -11,7 +11,7 @@ import (
// initConfigFileInputSourceFunc is like altsrc.InitInputSourceWithContext and altsrc.NewYamlSourceFromFlagFunc, but checks
// if the config flag is exists and only loads it if it does. If the flag is set and the file exists, it fails.
func initConfigFileInputSourceFunc(configFlag string, flags []cli.Flag) cli.BeforeFunc {
func initConfigFileInputSourceFunc(configFlag string, flags []cli.Flag, next cli.BeforeFunc) cli.BeforeFunc {
return func(context *cli.Context) error {
configFile := context.String(configFlag)
if context.IsSet(configFlag) && !util.FileExists(configFile) {
@ -23,7 +23,15 @@ func initConfigFileInputSourceFunc(configFlag string, flags []cli.Flag) cli.Befo
if err != nil {
return err
}
return altsrc.ApplyInputSourceValues(context, inputSource, flags)
if err := altsrc.ApplyInputSourceValues(context, inputSource, flags); err != nil {
return err
}
if next != nil {
if err := next(context); err != nil {
return err
}
}
return nil
}
}

2
cmd/publish.go
View file

@ -44,7 +44,7 @@ var cmdPublish = &cli.Command{
Action: execPublish,
Category: categoryClient,
Flags: flagsPublish,
Before: initLogFunc(nil),
Before: initLogFunc,
Description: `Publish a message to a ntfy server.
Examples:

45
cmd/serve.go
View file

@ -8,7 +8,10 @@ import (
"heckel.io/ntfy/log"
"math"
"net"
"os"
"os/signal"
"strings"
"syscall"
"time"
"github.com/urfave/cli/v2"
@ -21,9 +24,13 @@ func init() {
commands = append(commands, cmdServe)
}
const (
defaultServerConfigFile = "/etc/ntfy/server.yml"
)
var flagsServe = append(
flagsDefault,
&cli.StringFlag{Name: "config", Aliases: []string{"c"}, EnvVars: []string{"NTFY_CONFIG_FILE"}, Value: "/etc/ntfy/server.yml", DefaultText: "/etc/ntfy/server.yml", Usage: "config file"},
&cli.StringFlag{Name: "config", Aliases: []string{"c"}, EnvVars: []string{"NTFY_CONFIG_FILE"}, Value: defaultServerConfigFile, DefaultText: defaultServerConfigFile, Usage: "config file"},
altsrc.NewStringFlag(&cli.StringFlag{Name: "base-url", Aliases: []string{"base_url", "B"}, EnvVars: []string{"NTFY_BASE_URL"}, Usage: "externally visible base URL for this host (e.g. https://ntfy.sh)"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-http", Aliases: []string{"listen_http", "l"}, EnvVars: []string{"NTFY_LISTEN_HTTP"}, Value: server.DefaultListenHTTP, Usage: "ip:port used to as HTTP listen address"}),
altsrc.NewStringFlag(&cli.StringFlag{Name: "listen-https", Aliases: []string{"listen_https", "L"}, EnvVars: []string{"NTFY_LISTEN_HTTPS"}, Usage: "ip:port used to as HTTPS listen address"}),
@ -69,7 +76,7 @@ var cmdServe = &cli.Command{
Action: execServe,
Category: categoryServer,
Flags: flagsServe,
Before: initLogFunc(initConfigFileInputSourceFunc("config", flagsServe)),
Before: initConfigFileInputSourceFunc("config", flagsServe, initLogFunc),
Description: `Run the ntfy server and listen for incoming requests
The command will load the configuration from /etc/ntfy/server.yml. Config options can
@ -86,6 +93,7 @@ func execServe(c *cli.Context) error {
}
// Read all the options
config := c.String("config")
baseURL := c.String("base-url")
listenHTTP := c.String("listen-http")
listenHTTPS := c.String("listen-https")
@ -241,11 +249,15 @@ func execServe(c *cli.Context) error {
conf.VisitorEmailLimitReplenish = visitorEmailLimitReplenish
conf.BehindProxy = behindProxy
conf.EnableWeb = enableWeb
// Set up hot-reloading of config
go sigHandlerConfigReload(config)
// Run server
s, err := server.New(conf)
if err != nil {
log.Fatal(err)
}
if err := s.Run(); err != nil {
} else if err := s.Run(); err != nil {
log.Fatal(err)
}
log.Info("Exiting.")
@ -262,3 +274,28 @@ func parseSize(s string, defaultValue int64) (v int64, err error) {
}
return v, nil
}
func sigHandlerConfigReload(config string) {
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGHUP)
for range sigs {
log.Info("Partially hot reloading configuration ...")
inputSource, err := newYamlSourceFromFile(config, flagsServe)
if err != nil {
log.Warn("Hot reload failed: %s", err.Error())
continue
}
reloadLogLevel(inputSource)
}
}
func reloadLogLevel(inputSource altsrc.InputSourceContext) {
newLevelStr, err := inputSource.String("log-level")
if err != nil {
log.Warn("Cannot load log level: %s", err.Error())
return
}
newLevel := log.ToLevel(newLevelStr)
log.SetLevel(newLevel)
log.Info("Log level is %s", newLevel.String())
}

8
cmd/subscribe.go
View file

@ -43,7 +43,7 @@ var cmdSubscribe = &cli.Command{
Action: execSubscribe,
Category: categoryClient,
Flags: flagsSubscribe,
Before: initLogFunc(nil),
Before: initLogFunc,
Description: `Subscribe to a topic from a ntfy server, and either print or execute a command for
every arriving message. There are 3 modes in which the command can be run:
@ -253,7 +253,7 @@ func loadConfig(c *cli.Context) (*client.Config, error) {
if filename != "" {
return client.LoadConfig(filename)
}
configFile := defaultConfigFile()
configFile := defaultClientConfigFile()
if s, _ := os.Stat(configFile); s != nil {
return client.LoadConfig(configFile)
}
@ -261,7 +261,7 @@ func loadConfig(c *cli.Context) (*client.Config, error) {
}
//lint:ignore U1000 Conditionally used in different builds
func defaultConfigFileUnix() string {
func defaultClientConfigFileUnix() string {
u, _ := user.Current()
configFile := clientRootConfigFileUnixAbsolute
if u.Uid != "0" {
@ -272,7 +272,7 @@ func defaultConfigFileUnix() string {
}
//lint:ignore U1000 Conditionally used in different builds
func defaultConfigFileWindows() string {
func defaultClientConfigFileWindows() string {
homeDir, _ := os.UserConfigDir()
return filepath.Join(homeDir, clientUserConfigFileWindowsRelative)
}

4
cmd/subscribe_darwin.go
View file

@ -11,6 +11,6 @@ var (
scriptLauncher = []string{"sh", "-c"}
)
func defaultConfigFile() string {
return defaultConfigFileUnix()
func defaultClientConfigFile() string {
return defaultClientConfigFileUnix()
}

4
cmd/subscribe_linux.go
View file

@ -11,6 +11,6 @@ var (
scriptLauncher = []string{"sh", "-c"}
)
func defaultConfigFile() string {
return defaultConfigFileUnix()
func defaultClientConfigFile() string {
return defaultClientConfigFileUnix()
}

2
cmd/subscribe_windows.go
View file

@ -11,5 +11,5 @@ var (
)
func defaultConfigFile() string {
return defaultConfigFileWindows()
return defaultClientConfigFileWindows()
}

2
cmd/user.go
View file

@ -29,7 +29,7 @@ var cmdUser = &cli.Command{
Usage: "Manage/show users",
UsageText: "ntfy user [list|add|remove|change-pass|change-role] ...",
Flags: flagsUser,
Before: initLogFunc(initConfigFileInputSourceFunc("config", flagsUser)),
Before: initConfigFileInputSourceFunc("config", flagsUser, initLogFunc),
Category: categoryServer,
Subcommands: []*cli.Command{
{

26
log/log.go
View file

@ -3,10 +3,13 @@ package log
import (
"log"
"strings"
"sync"
)
// Level is a well-known log level, as defined below
type Level int
// Well known log levels
const (
DebugLevel Level = iota
InfoLevel
@ -30,32 +33,50 @@ func (l Level) String() string {
var (
level = InfoLevel
mu = &sync.Mutex{}
)
// Debug prints the given message, if the current log level is DEBUG
func Debug(message string, v ...interface{}) {
logIf(DebugLevel, message, v...)
}
// Info prints the given message, if the current log level is INFO or lower
func Info(message string, v ...interface{}) {
logIf(InfoLevel, message, v...)
}
// Warn prints the given message, if the current log level is WARN or lower
func Warn(message string, v ...interface{}) {
logIf(WarnLevel, message, v...)
}
// Error prints the given message, if the current log level is ERROR or lower
func Error(message string, v ...interface{}) {
logIf(ErrorLevel, message, v...)
}
// Fatal prints the given message, and exits the program
func Fatal(v ...interface{}) {
log.Fatalln(v...)
}
// CurrentLevel returns the current log level
func CurrentLevel() Level {
mu.Lock()
defer mu.Unlock()
return level
}
// SetLevel sets a new log level
func SetLevel(newLevel Level) {
mu.Lock()
defer mu.Unlock()
level = newLevel
}
// ToLevel converts a string to a Level. It returns InfoLevel if the string
// does not match any known log levels.
func ToLevel(s string) Level {
switch strings.ToLower(s) {
case "debug":
@ -67,13 +88,12 @@ func ToLevel(s string) Level {
case "error":
return ErrorLevel
default:
log.Fatalf("unknown log level: %s", s)
return 0
return InfoLevel
}
}
func logIf(l Level, message string, v ...interface{}) {
if level <= l {
if CurrentLevel() <= l {
log.Printf(l.String()+" "+message, v...)
}
}

1
server/ntfy.service
View file

@ -6,6 +6,7 @@ After=network.target
User=ntfy
Group=ntfy
ExecStart=/usr/bin/ntfy serve
ExecReload=/bin/kill --signal HUP $MAINPID
Restart=on-failure
AmbientCapabilities=CAP_NET_BIND_SERVICE
LimitNOFILE=10000

66
server/server.go
View file

@ -179,7 +179,7 @@ func (s *Server) Run() error {
if s.config.SMTPServerListen != "" {
listenStr += fmt.Sprintf(" %s[smtp]", s.config.SMTPServerListen)
}
log.Info("Listening on%s", listenStr)
log.Info("Listening on%s, log level is %s", listenStr, log.CurrentLevel().String())
mux := http.NewServeMux()
mux.HandleFunc("/", s.handle)
errChan := make(chan error)
@ -246,18 +246,28 @@ func (s *Server) Stop() {
func (s *Server) handle(w http.ResponseWriter, r *http.Request) {
v := s.visitor(r)
log.Debug("[%s] %s %s", v.ip, r.Method, r.URL.Path)
log.Debug("%s HTTP %s %s", v.ip, r.Method, r.URL.Path)
if err := s.handleInternal(w, r, v); err != nil {
if websocket.IsWebSocketUpgrade(r) {
log.Info("[%s] WS %s %s - %s", v.ip, r.Method, r.URL.Path, err.Error())
isNormalError := websocket.IsCloseError(err, websocket.CloseAbnormalClosure) || strings.Contains(err.Error(), "i/o timeout")
if isNormalError {
log.Debug("%s WS %s %s - %s", v.ip, r.Method, r.URL.Path, err.Error())
} else {
log.Warn("%s WS %s %s - %s", v.ip, r.Method, r.URL.Path, err.Error())
}
return // Do not attempt to write to upgraded connection
}
httpErr, ok := err.(*errHTTP)
if !ok {
httpErr = errHTTPInternalError
}
log.Info("[%s] HTTP %s %s - %d - %d - %s", v.ip, r.Method, r.URL.Path, httpErr.HTTPCode, httpErr.Code, err.Error())
isNormalError := httpErr.Code == 404
if isNormalError {
log.Debug("%s HTTP %s %s - %d - %d - %s", v.ip, r.Method, r.URL.Path, httpErr.HTTPCode, httpErr.Code, err.Error())
} else {
log.Info("%s HTTP %s %s - %d - %d - %s", v.ip, r.Method, r.URL.Path, httpErr.HTTPCode, httpErr.Code, err.Error())
}
w.Header().Set("Content-Type", "application/json")
w.Header().Set("Access-Control-Allow-Origin", "*") // CORS, allow cross-origin requests
w.WriteHeader(httpErr.HTTPCode)
@ -434,22 +444,24 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
m.Message = emptyMessageBody
}
delayed := m.Time > time.Now().Unix()
log.Debug("[%s] %s %s: ev=%s, body=%d bytes, delayed=%t, fb=%t, cache=%t, up=%t, email=%s",
v.ip, r.Method, r.URL.Path, m.Event, len(body.PeekedBytes), delayed, firebase, cache, unifiedpush, email)
log.Debug("%s Received message: ev=%s, body=%d bytes, delayed=%t, fb=%t, cache=%t, up=%t, email=%s",
logPrefix(v, m), m.Event, len(body.PeekedBytes), delayed, firebase, cache, unifiedpush, email)
if !delayed {
if err := t.Publish(v, m); err != nil {
return err
}
}
if s.firebaseClient != nil && firebase && !delayed {
if s.firebaseClient != nil && firebase {
go s.sendToFirebase(v, m)
}
if s.mailer != nil && email != "" && !delayed {
if s.mailer != nil && email != "" {
go s.sendEmail(v, m, email)
}
if s.config.UpstreamBaseURL != "" && !delayed {
if s.config.UpstreamBaseURL != "" {
go s.forwardPollRequest(v, m)
}
} else {
log.Debug("%s Message delayed, will process later", logPrefix(v, m))
}
if cache {
if err := s.messageCache.AddMessage(m); err != nil {
return err
@ -467,14 +479,16 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
}
func (s *Server) sendToFirebase(v *visitor, m *message) {
log.Debug("%s Publishing to Firebase", logPrefix(v, m))
if err := s.firebaseClient.Send(v, m); err != nil {
log.Warn("[%s] FB - Unable to publish to Firebase: %v", v.ip, err.Error())
log.Warn("%s Unable to publish to Firebase: %v", logPrefix(v, m), err.Error())
}
}
func (s *Server) sendEmail(v *visitor, m *message, email string) {
log.Debug("%s Sending email to %s", logPrefix(v, m), email)
if err := s.mailer.Send(v.ip, email, m); err != nil {
log.Warn("[%s] MAIL - Unable to send email: %v", v.ip, err.Error())
log.Warn("%s Unable to send email: %v", logPrefix(v, m), err.Error())
}
}
@ -482,9 +496,10 @@ func (s *Server) forwardPollRequest(v *visitor, m *message) {
topicURL := fmt.Sprintf("%s/%s", s.config.BaseURL, m.Topic)
topicHash := fmt.Sprintf("%x", sha256.Sum256([]byte(topicURL)))
forwardURL := fmt.Sprintf("%s/%s", s.config.UpstreamBaseURL, topicHash)
log.Debug("%s Publishing poll request to %s", logPrefix(v, m), forwardURL)
req, err := http.NewRequest("POST", forwardURL, strings.NewReader(""))
if err != nil {
log.Warn("[%s] FWD - Unable to forward poll request: %v", v.ip, err.Error())
log.Warn("%s Unable to publish poll request: %v", logPrefix(v, m), err.Error())
return
}
req.Header.Set("X-Poll-ID", m.ID)
@ -493,10 +508,10 @@ func (s *Server) forwardPollRequest(v *visitor, m *message) {
}
response, err := httpClient.Do(req)
if err != nil {
log.Warn("[%s] FWD - Unable to forward poll request: %v", v.ip, err.Error())
log.Warn("%s Unable to publish poll request: %v", logPrefix(v, m), err.Error())
return
} else if response.StatusCode != http.StatusOK {
log.Warn("[%s] FWD - Unable to forward poll request, unexpected status: %d", v.ip, response.StatusCode)
log.Warn("%s Unable to publish poll request, unexpected HTTP status: %d", logPrefix(v, m), response.StatusCode)
return
}
}
@ -1012,6 +1027,7 @@ func (s *Server) updateStatsAndPrune() {
// Expire visitors from rate visitors map
for ip, v := range s.visitors {
if v.Stale() {
log.Debug("Deleting stale visitor %s", v.ip)
delete(s.visitors, ip)
}
}
@ -1019,17 +1035,21 @@ func (s *Server) updateStatsAndPrune() {
// Delete expired attachments
if s.fileCache != nil {
ids, err := s.messageCache.AttachmentsExpired()
if err == nil {
if err != nil {
log.Warn("Error retrieving expired attachments: %s", err.Error())
} else if len(ids) > 0 {
log.Debug("Deleting expired attachments: %v", ids)
if err := s.fileCache.Remove(ids...); err != nil {
log.Warn("Error deleting attachments: %s", err.Error())
}
} else {
log.Warn("Error retrieving expired attachments: %s", err.Error())
log.Debug("No expired attachments to delete")
}
}
// Prune message cache
olderThan := time.Now().Add(-1 * s.config.CacheDuration)
log.Debug("Pruning messages older tha %v", olderThan)
if err := s.messageCache.Prune(olderThan); err != nil {
log.Warn("Error pruning cache: %s", err.Error())
}
@ -1079,6 +1099,7 @@ func (s *Server) runManager() {
for {
select {
case <-time.After(s.config.ManagerInterval):
log.Debug("Running manager")
s.updateStatsAndPrune()
case <-s.closeChan:
return
@ -1124,7 +1145,7 @@ func (s *Server) sendDelayedMessages() error {
for _, m := range messages {
v := s.visitorFromIP(m.Sender)
if err := s.sendDelayedMessage(v, m); err != nil {
log.Warn("error sending delayed message: %s", err.Error())
log.Warn("%s Error sending delayed message: %s", logPrefix(v, m), err.Error())
}
}
return nil
@ -1133,12 +1154,13 @@ func (s *Server) sendDelayedMessages() error {
func (s *Server) sendDelayedMessage(v *visitor, m *message) error {
s.mu.Lock()
defer s.mu.Unlock()
log.Debug("%s Sending delayed message", logPrefix(v, m))
t, ok := s.topics[m.Topic] // If no subscribers, just mark message as published
if ok {
go func() {
// We do not rate-limit messages here, since we've rate limited them in the PUT/POST handler
if err := t.Publish(v, m); err != nil {
log.Warn("unable to publish message %s to topic %s: %v", m.ID, m.Topic, err.Error())
log.Warn("%s Unable to publish message: %v", logPrefix(v, m), err.Error())
}
}()
}
@ -1311,3 +1333,7 @@ func (s *Server) visitorFromIP(ip string) *visitor {
v.Keepalive()
return v
}
func logPrefix(v *visitor, m *message) string {
return fmt.Sprintf("%s/%s/%s", v.ip, m.Topic, m.ID)
}

5
server/server.yml
View file

@ -178,3 +178,8 @@
#
# visitor-attachment-total-size-limit: "100M"
# visitor-attachment-daily-bandwidth-limit: "500M"
# Log level, can be DEBUG, INFO, WARN or ERROR
# This option can be hot-reloaded by calling "kill -HUP $pid" or "systemctl reload ntfy".
#
# log-level: INFO

9
server/topic.go
View file

@ -1,7 +1,7 @@
package server
import (
"log"
"heckel.io/ntfy/log"
"math/rand"
"sync"
)
@ -46,11 +46,16 @@ func (t *topic) Publish(v *visitor, m *message) error {
go func() {
t.mu.Lock()
defer t.mu.Unlock()
if len(t.subscribers) > 0 {
log.Debug("%s Forwarding to %d subscriber(s)", logPrefix(v, m), len(t.subscribers))
for _, s := range t.subscribers {
if err := s(v, m); err != nil {
log.Printf("error publishing message to subscriber")
log.Warn("%s Error forwarding to subscriber", logPrefix(v, m))
}
}
} else {
log.Debug("%s No subscribers, not forwarding", logPrefix(v, m))
}
}()
return nil
}