So much logging

This commit is contained in:
Philipp Heckel 2022-06-01 23:24:44 -04:00
parent ab955d4d1c
commit 7845eb0124
12 changed files with 264 additions and 122 deletions

View file

@ -32,22 +32,22 @@ import (
// Server is the main server, providing the UI and API for ntfy
type Server struct {
config *Config
httpServer *http.Server
httpsServer *http.Server
unixListener net.Listener
smtpServer *smtp.Server
smtpBackend *smtpBackend
topics map[string]*topic
visitors map[string]*visitor
firebaseClient *firebaseClient
mailer mailer
messages int64
auth auth.Auther
messageCache *messageCache
fileCache *fileCache
closeChan chan bool
mu sync.Mutex
config *Config
httpServer *http.Server
httpsServer *http.Server
unixListener net.Listener
smtpServer *smtp.Server
smtpServerBackend *smtpBackend
smtpSender mailer
topics map[string]*topic
visitors map[string]*visitor
firebaseClient *firebaseClient
messages int64
auth auth.Auther
messageCache *messageCache
fileCache *fileCache
closeChan chan bool
mu sync.Mutex
}
// handleFunc extends the normal http.HandlerFunc to be able to easily return errors
@ -147,7 +147,7 @@ func New(conf *Config) (*Server, error) {
messageCache: messageCache,
fileCache: fileCache,
firebaseClient: firebaseClient,
mailer: mailer,
smtpSender: mailer,
topics: topics,
auth: auther,
visitors: make(map[string]*visitor),
@ -246,14 +246,14 @@ func (s *Server) Stop() {
func (s *Server) handle(w http.ResponseWriter, r *http.Request) {
v := s.visitor(r)
log.Debug("%s HTTP %s %s", v.ip, r.Method, r.URL.Path)
log.Debug("%s Dispatching request", logHTTPPrefix(v, r))
if err := s.handleInternal(w, r, v); err != nil {
if websocket.IsWebSocketUpgrade(r) {
isNormalError := websocket.IsCloseError(err, websocket.CloseAbnormalClosure) || strings.Contains(err.Error(), "i/o timeout")
isNormalError := 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())
log.Debug("%s WebSocket error (this error is okay, it happens a lot): %s", logHTTPPrefix(v, r), err.Error())
} else {
log.Warn("%s WS %s %s - %s", v.ip, r.Method, r.URL.Path, err.Error())
log.Warn("%s WebSocket error: %s", logHTTPPrefix(v, r), err.Error())
}
return // Do not attempt to write to upgraded connection
}
@ -261,13 +261,12 @@ func (s *Server) handle(w http.ResponseWriter, r *http.Request) {
if !ok {
httpErr = errHTTPInternalError
}
isNormalError := httpErr.Code == 404
isNormalError := httpErr.HTTPCode == http.StatusNotFound
if isNormalError {
log.Debug("%s HTTP %s %s - %d - %d - %s", v.ip, r.Method, r.URL.Path, httpErr.HTTPCode, httpErr.Code, err.Error())
log.Debug("%s Connection closed with HTTP %d (ntfy error %d): %s", logHTTPPrefix(v, r), 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())
log.Info("%s Connection closed with HTTP %d (ntfy error %d): %s", logHTTPPrefix(v, r), 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)
@ -444,8 +443,11 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
m.Message = emptyMessageBody
}
delayed := m.Time > time.Now().Unix()
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)
log.Debug("%s Received message: event=%s, body=%d byte(s), delayed=%t, firebase=%t, cache=%t, up=%t, email=%s",
logMessagePrefix(v, m), m.Event, len(m.Message), delayed, firebase, cache, unifiedpush, email)
if log.IsTrace() {
log.Trace("%s Message body: %s", logMessagePrefix(v, m), maybeMarshalJSON(m))
}
if !delayed {
if err := t.Publish(v, m); err != nil {
return err
@ -453,14 +455,14 @@ func (s *Server) handlePublish(w http.ResponseWriter, r *http.Request, v *visito
if s.firebaseClient != nil && firebase {
go s.sendToFirebase(v, m)
}
if s.mailer != nil && email != "" {
if s.smtpSender != nil && email != "" {
go s.sendEmail(v, m, email)
}
if s.config.UpstreamBaseURL != "" {
go s.forwardPollRequest(v, m)
}
} else {
log.Debug("%s Message delayed, will process later", logPrefix(v, m))
log.Debug("%s Message delayed, will process later", logMessagePrefix(v, m))
}
if cache {
if err := s.messageCache.AddMessage(m); err != nil {
@ -479,16 +481,16 @@ 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))
log.Debug("%s Publishing to Firebase", logMessagePrefix(v, m))
if err := s.firebaseClient.Send(v, m); err != nil {
log.Warn("%s Unable to publish to Firebase: %v", logPrefix(v, m), err.Error())
log.Warn("%s Unable to publish to Firebase: %v", logMessagePrefix(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 Unable to send email: %v", logPrefix(v, m), err.Error())
log.Debug("%s Sending email to %s", logMessagePrefix(v, m), email)
if err := s.smtpSender.Send(v, m, email); err != nil {
log.Warn("%s Unable to send email: %v", logMessagePrefix(v, m), err.Error())
}
}
@ -496,10 +498,10 @@ 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)
log.Debug("%s Publishing poll request to %s", logMessagePrefix(v, m), forwardURL)
req, err := http.NewRequest("POST", forwardURL, strings.NewReader(""))
if err != nil {
log.Warn("%s Unable to publish poll request: %v", logPrefix(v, m), err.Error())
log.Warn("%s Unable to publish poll request: %v", logMessagePrefix(v, m), err.Error())
return
}
req.Header.Set("X-Poll-ID", m.ID)
@ -508,10 +510,10 @@ func (s *Server) forwardPollRequest(v *visitor, m *message) {
}
response, err := httpClient.Do(req)
if err != nil {
log.Warn("%s Unable to publish poll request: %v", logPrefix(v, m), err.Error())
log.Warn("%s Unable to publish poll request: %v", logMessagePrefix(v, m), err.Error())
return
} else if response.StatusCode != http.StatusOK {
log.Warn("%s Unable to publish poll request, unexpected HTTP status: %d", logPrefix(v, m), response.StatusCode)
log.Warn("%s Unable to publish poll request, unexpected HTTP status: %d", logMessagePrefix(v, m), response.StatusCode)
return
}
}
@ -553,7 +555,7 @@ func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (ca
return false, false, "", false, errHTTPTooManyRequestsLimitEmails
}
}
if s.mailer == nil && email != "" {
if s.smtpSender == nil && email != "" {
return false, false, "", false, errHTTPBadRequestEmailDisabled
}
messageStr := strings.ReplaceAll(readParam(r, "x-message", "message", "m"), "\\n", "\n")
@ -627,7 +629,7 @@ func (s *Server) parsePublishParams(r *http.Request, v *visitor, m *message) (ca
// If file.txt is > message limit, treat it as an attachment
func (s *Server) handlePublishBody(r *http.Request, v *visitor, m *message, body *util.PeekedReadCloser, unifiedpush bool) error {
if m.Event == pollRequestEvent { // Case 1
return nil
return s.handleBodyDiscard(body)
} else if unifiedpush {
return s.handleBodyAsMessageAutoDetect(m, body) // Case 2
} else if m.Attachment != nil && m.Attachment.URL != "" {
@ -640,6 +642,12 @@ func (s *Server) handlePublishBody(r *http.Request, v *visitor, m *message, body
return s.handleBodyAsAttachment(r, v, m, body) // Case 6
}
func (s *Server) handleBodyDiscard(body *util.PeekedReadCloser) error {
_, err := io.Copy(io.Discard, body)
_ = body.Close()
return err
}
func (s *Server) handleBodyAsMessageAutoDetect(m *message, body *util.PeekedReadCloser) error {
if utf8.Valid(body.PeekedBytes) {
m.Message = string(body.PeekedBytes) // Do not trim
@ -739,6 +747,8 @@ func (s *Server) handleSubscribeRaw(w http.ResponseWriter, r *http.Request, v *v
}
func (s *Server) handleSubscribeHTTP(w http.ResponseWriter, r *http.Request, v *visitor, contentType string, encoder messageEncoder) error {
log.Debug("%s HTTP stream connection opened", logHTTPPrefix(v, r))
defer log.Debug("%s HTTP stream connection closed", logHTTPPrefix(v, r))
if err := v.SubscriptionAllowed(); err != nil {
return errHTTPTooManyRequestsLimitSubscriptions
}
@ -795,6 +805,7 @@ func (s *Server) handleSubscribeHTTP(w http.ResponseWriter, r *http.Request, v *
case <-r.Context().Done():
return nil
case <-time.After(s.config.KeepaliveInterval):
log.Trace("%s Sending keepalive message", logHTTPPrefix(v, r))
v.Keepalive()
if err := sub(v, newKeepaliveMessage(topicsStr)); err != nil { // Send keepalive message
return err
@ -811,6 +822,8 @@ func (s *Server) handleSubscribeWS(w http.ResponseWriter, r *http.Request, v *vi
return errHTTPTooManyRequestsLimitSubscriptions
}
defer v.RemoveSubscription()
log.Debug("%s WebSocket connection opened", logHTTPPrefix(v, r))
defer log.Debug("%s WebSocket connection closed", logHTTPPrefix(v, r))
topics, topicsStr, err := s.topicsFromPath(r.URL.Path)
if err != nil {
return err
@ -840,6 +853,7 @@ func (s *Server) handleSubscribeWS(w http.ResponseWriter, r *http.Request, v *vi
return err
}
conn.SetPongHandler(func(appData string) error {
log.Trace("%s Received WebSocket pong", logHTTPPrefix(v, r))
return conn.SetReadDeadline(time.Now().Add(pongWait))
})
for {
@ -856,6 +870,7 @@ func (s *Server) handleSubscribeWS(w http.ResponseWriter, r *http.Request, v *vi
if err := conn.SetWriteDeadline(time.Now().Add(wsWriteWait)); err != nil {
return err
}
log.Trace("%s Sending WebSocket ping", logHTTPPrefix(v, r))
return conn.WriteMessage(websocket.PingMessage, nil)
}
for {
@ -901,8 +916,9 @@ func (s *Server) handleSubscribeWS(w http.ResponseWriter, r *http.Request, v *vi
return err
}
err = g.Wait()
if err != nil && websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway) {
return nil // Normal closures are not errors
if err != nil && websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
log.Trace("%s WebSocket connection closed: %s", logHTTPPrefix(v, r), err.Error())
return nil // Normal closures are not errors; note: "1006 (abnormal closure)" is treated as normal, because people disconnect a lot
}
return err
}
@ -1025,12 +1041,15 @@ func (s *Server) updateStatsAndPrune() {
defer s.mu.Unlock()
// Expire visitors from rate visitors map
staleVisitors := 0
for ip, v := range s.visitors {
if v.Stale() {
log.Debug("Deleting stale visitor %s", v.ip)
delete(s.visitors, ip)
staleVisitors++
}
}
log.Debug("Manager: Deleted %d stale visitor(s)", staleVisitors)
// Delete expired attachments
if s.fileCache != nil {
@ -1038,20 +1057,20 @@ func (s *Server) updateStatsAndPrune() {
if err != nil {
log.Warn("Error retrieving expired attachments: %s", err.Error())
} else if len(ids) > 0 {
log.Debug("Deleting expired attachments: %v", ids)
log.Debug("Manager: Deleting expired attachments: %v", ids)
if err := s.fileCache.Remove(ids...); err != nil {
log.Warn("Error deleting attachments: %s", err.Error())
}
} else {
log.Debug("No expired attachments to delete")
log.Debug("Manager: No expired attachments to delete")
}
}
// Prune message cache
olderThan := time.Now().Add(-1 * s.config.CacheDuration)
log.Debug("Pruning messages older tha %v", olderThan)
log.Debug("Manager: Pruning messages older than %s", olderThan.Format("2006-01-02 15:04:05"))
if err := s.messageCache.Prune(olderThan); err != nil {
log.Warn("Error pruning cache: %s", err.Error())
log.Warn("Manager: Error pruning cache: %s", err.Error())
}
// Prune old topics, remove subscriptions without subscribers
@ -1060,7 +1079,7 @@ func (s *Server) updateStatsAndPrune() {
subs := t.Subscribers()
msgs, err := s.messageCache.MessageCount(t.ID)
if err != nil {
log.Warn("Cannot get stats for topic %s: %s", t.ID, err.Error())
log.Warn("Manager: Cannot get stats for topic %s: %s", t.ID, err.Error())
continue
}
if msgs == 0 && subs == 0 {
@ -1072,19 +1091,25 @@ func (s *Server) updateStatsAndPrune() {
}
// Mail stats
var mailSuccess, mailFailure int64
if s.smtpBackend != nil {
mailSuccess, mailFailure = s.smtpBackend.Counts()
var receivedMailTotal, receivedMailSuccess, receivedMailFailure int64
if s.smtpServerBackend != nil {
receivedMailTotal, receivedMailSuccess, receivedMailFailure = s.smtpServerBackend.Counts()
}
var sentMailTotal, sentMailSuccess, sentMailFailure int64
if s.smtpSender != nil {
sentMailTotal, sentMailSuccess, sentMailFailure = s.smtpSender.Counts()
}
// Print stats
log.Info("Stats: %d message(s) published, %d in cache, %d successful mails, %d failed, %d topic(s) active, %d subscriber(s), %d visitor(s)",
s.messages, messages, mailSuccess, mailFailure, len(s.topics), subscribers, len(s.visitors))
log.Info("Stats: %d messages published, %d in cache, %d topic(s) active, %d subscriber(s), %d visitor(s), %d mails received (%d successful, %d failed), %d mails sent (%d successful, %d failed)",
s.messages, messages, len(s.topics), subscribers, len(s.visitors),
receivedMailTotal, receivedMailSuccess, receivedMailFailure,
sentMailTotal, sentMailSuccess, sentMailFailure)
}
func (s *Server) runSMTPServer() error {
s.smtpBackend = newMailBackend(s.config, s.handle)
s.smtpServer = smtp.NewServer(s.smtpBackend)
s.smtpServerBackend = newMailBackend(s.config, s.handle)
s.smtpServer = smtp.NewServer(s.smtpServerBackend)
s.smtpServer.Addr = s.config.SMTPServerListen
s.smtpServer.Domain = s.config.SMTPServerDomain
s.smtpServer.ReadTimeout = 10 * time.Second
@ -1099,7 +1124,6 @@ func (s *Server) runManager() {
for {
select {
case <-time.After(s.config.ManagerInterval):
log.Debug("Running manager")
s.updateStatsAndPrune()
case <-s.closeChan:
return
@ -1107,19 +1131,6 @@ func (s *Server) runManager() {
}
}
func (s *Server) runDelayedSender() {
for {
select {
case <-time.After(s.config.DelayedSenderInterval):
if err := s.sendDelayedMessages(); err != nil {
log.Warn("error sending scheduled messages: %s", err.Error())
}
case <-s.closeChan:
return
}
}
}
func (s *Server) runFirebaseKeepaliver() {
if s.firebaseClient == nil {
return
@ -1137,6 +1148,19 @@ func (s *Server) runFirebaseKeepaliver() {
}
}
func (s *Server) runDelayedSender() {
for {
select {
case <-time.After(s.config.DelayedSenderInterval):
if err := s.sendDelayedMessages(); err != nil {
log.Warn("Error sending delayed messages: %s", err.Error())
}
case <-s.closeChan:
return
}
}
}
func (s *Server) sendDelayedMessages() error {
messages, err := s.messageCache.MessagesDue()
if err != nil {
@ -1145,7 +1169,7 @@ func (s *Server) sendDelayedMessages() error {
for _, m := range messages {
v := s.visitorFromIP(m.Sender)
if err := s.sendDelayedMessage(v, m); err != nil {
log.Warn("%s Error sending delayed message: %s", logPrefix(v, m), err.Error())
log.Warn("%s Error sending delayed message: %s", logMessagePrefix(v, m), err.Error())
}
}
return nil
@ -1154,13 +1178,13 @@ 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))
log.Debug("%s Sending delayed message", logMessagePrefix(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("%s Unable to publish message: %v", logPrefix(v, m), err.Error())
log.Warn("%s Unable to publish message: %v", logMessagePrefix(v, m), err.Error())
}
}()
}
@ -1333,7 +1357,3 @@ 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)
}

View file

@ -51,6 +51,7 @@
# cache-file: <filename>
# cache-duration: "12h"
# If set, access to the ntfy server and API can be controlled on a granular level using
# the 'ntfy user' and 'ntfy access' commands. See the --help pages for details, or check the docs.
#
@ -179,7 +180,10 @@
# visitor-attachment-total-size-limit: "100M"
# visitor-attachment-daily-bandwidth-limit: "500M"
# Log level, can be DEBUG, INFO, WARN or ERROR
# Log level, can be TRACE, DEBUG, INFO, WARN or ERROR
# This option can be hot-reloaded by calling "kill -HUP $pid" or "systemctl reload ntfy".
#
# Be aware that DEBUG (and particularly TRACE) can be VERY CHATTY. Only turn them on for
# debugging purposes, or your disk will fill up quickly.
#
# log-level: INFO

View file

@ -4,14 +4,13 @@ import (
"context"
"encoding/json"
"errors"
"fmt"
"log"
"strings"
firebase "firebase.google.com/go/v4"
"firebase.google.com/go/v4/messaging"
"fmt"
"google.golang.org/api/option"
"heckel.io/ntfy/auth"
"heckel.io/ntfy/log"
"strings"
)
const (
@ -45,9 +44,12 @@ func (c *firebaseClient) Send(v *visitor, m *message) error {
if err != nil {
return err
}
if log.IsTrace() {
log.Trace("%s Firebase message: %s", logMessagePrefix(v, m), maybeMarshalJSON(fbm))
}
err = c.sender.Send(fbm)
if err == errFirebaseQuotaExceeded {
log.Printf("[%s] FB quota exceeded for topic %s, temporarily denying FB access to visitor", v.ip, m.Topic)
log.Warn("%s Firebase quota exceeded (likely for topic), temporarily denying Firebase access to visitor", logMessagePrefix(v, m))
v.FirebaseTemporarilyDeny()
}
return err

View file

@ -477,7 +477,7 @@ func TestServer_PublishMessageInHeaderWithNewlines(t *testing.T) {
func TestServer_PublishInvalidTopic(t *testing.T) {
s := newTestServer(t, newTestConfig(t))
s.mailer = &testMailer{}
s.smtpSender = &testMailer{}
response := request(t, s, "PUT", "/docs", "fail", nil)
require.Equal(t, 40010, toHTTPError(t, response.Body.String()).Code)
}
@ -743,13 +743,17 @@ type testMailer struct {
mu sync.Mutex
}
func (t *testMailer) Send(from, to string, m *message) error {
func (t *testMailer) Send(v *visitor, m *message, to string) error {
t.mu.Lock()
defer t.mu.Unlock()
t.count++
return nil
}
func (t *testMailer) Counts() (total int64, success int64, failure int64) {
return 0, 0, 0
}
func (t *testMailer) Count() int {
t.mu.Lock()
defer t.mu.Unlock()
@ -795,7 +799,7 @@ func TestServer_PublishTooRequests_ShortReplenish(t *testing.T) {
func TestServer_PublishTooManyEmails_Defaults(t *testing.T) {
s := newTestServer(t, newTestConfig(t))
s.mailer = &testMailer{}
s.smtpSender = &testMailer{}
for i := 0; i < 16; i++ {
response := request(t, s, "PUT", "/mytopic", fmt.Sprintf("message %d", i), map[string]string{
"E-Mail": "test@example.com",
@ -812,7 +816,7 @@ func TestServer_PublishTooManyEmails_Replenish(t *testing.T) {
c := newTestConfig(t)
c.VisitorEmailLimitReplenish = 500 * time.Millisecond
s := newTestServer(t, c)
s.mailer = &testMailer{}
s.smtpSender = &testMailer{}
for i := 0; i < 16; i++ {
response := request(t, s, "PUT", "/mytopic", fmt.Sprintf("message %d", i), map[string]string{
"E-Mail": "test@example.com",
@ -838,7 +842,7 @@ func TestServer_PublishTooManyEmails_Replenish(t *testing.T) {
func TestServer_PublishDelayedEmail_Fail(t *testing.T) {
s := newTestServer(t, newTestConfig(t))
s.mailer = &testMailer{}
s.smtpSender = &testMailer{}
response := request(t, s, "PUT", "/mytopic", "fail", map[string]string{
"E-Mail": "test@example.com",
"Delay": "20 min",
@ -956,7 +960,7 @@ func TestServer_PublishAsJSON(t *testing.T) {
func TestServer_PublishAsJSON_WithEmail(t *testing.T) {
mailer := &testMailer{}
s := newTestServer(t, newTestConfig(t))
s.mailer = mailer
s.smtpSender = mailer
body := `{"topic":"mytopic","message":"A message","email":"phil@example.com"}`
response := request(t, s, "PUT", "/", body, nil)
require.Equal(t, 200, response.Code)

View file

@ -4,33 +4,62 @@ import (
_ "embed" // required by go:embed
"encoding/json"
"fmt"
"heckel.io/ntfy/log"
"heckel.io/ntfy/util"
"mime"
"net"
"net/smtp"
"strings"
"sync"
"time"
)
type mailer interface {
Send(from, to string, m *message) error
Send(v *visitor, m *message, to string) error
Counts() (total int64, success int64, failure int64)
}
type smtpSender struct {
config *Config
config *Config
success int64
failure int64
mu sync.Mutex
}
func (s *smtpSender) Send(senderIP, to string, m *message) error {
host, _, err := net.SplitHostPort(s.config.SMTPSenderAddr)
func (s *smtpSender) Send(v *visitor, m *message, to string) error {
return s.withCount(v, m, func() error {
host, _, err := net.SplitHostPort(s.config.SMTPSenderAddr)
if err != nil {
return err
}
message, err := formatMail(s.config.BaseURL, v.ip, s.config.SMTPSenderFrom, to, m)
if err != nil {
return err
}
auth := smtp.PlainAuth("", s.config.SMTPSenderUser, s.config.SMTPSenderPass, host)
log.Debug("%s Sending mail: via=%s, user=%s, pass=***, to=%s", logMessagePrefix(v, m), s.config.SMTPSenderAddr, s.config.SMTPSenderUser, to)
log.Trace("%s Mail body: %s", logMessagePrefix(v, m), message)
return smtp.SendMail(s.config.SMTPSenderAddr, auth, s.config.SMTPSenderFrom, []string{to}, []byte(message))
})
}
func (s *smtpSender) Counts() (total int64, success int64, failure int64) {
s.mu.Lock()
defer s.mu.Unlock()
return s.success + s.failure, s.success, s.failure
}
func (s *smtpSender) withCount(v *visitor, m *message, fn func() error) error {
err := fn()
s.mu.Lock()
defer s.mu.Unlock()
if err != nil {
return err
log.Debug("%s Sending mail failed: %s", logMessagePrefix(v, m), err.Error())
s.failure++
} else {
s.success++
}
message, err := formatMail(s.config.BaseURL, senderIP, s.config.SMTPSenderFrom, to, m)
if err != nil {
return err
}
auth := smtp.PlainAuth("", s.config.SMTPSenderUser, s.config.SMTPSenderPass, host)
return smtp.SendMail(s.config.SMTPSenderAddr, auth, s.config.SMTPSenderFrom, []string{to}, []byte(message))
return err
}
func formatMail(baseURL, senderIP, from, to string, m *message) (string, error) {

View file

@ -5,9 +5,11 @@ import (
"errors"
"fmt"
"github.com/emersion/go-smtp"
"heckel.io/ntfy/log"
"io"
"mime"
"mime/multipart"
"net"
"net/http"
"net/http/httptest"
"net/mail"
@ -40,36 +42,41 @@ func newMailBackend(conf *Config, handler func(http.ResponseWriter, *http.Reques
}
func (b *smtpBackend) Login(state *smtp.ConnectionState, username, password string) (smtp.Session, error) {
return &smtpSession{backend: b, remoteAddr: state.RemoteAddr.String()}, nil
log.Debug("%s Incoming mail, login with user %s", logSMTPPrefix(state), username)
return &smtpSession{backend: b, state: state}, nil
}
func (b *smtpBackend) AnonymousLogin(state *smtp.ConnectionState) (smtp.Session, error) {
return &smtpSession{backend: b, remoteAddr: state.RemoteAddr.String()}, nil
log.Debug("%s Incoming mail, anonymous login", logSMTPPrefix(state))
return &smtpSession{backend: b, state: state}, nil
}
func (b *smtpBackend) Counts() (success int64, failure int64) {
func (b *smtpBackend) Counts() (total int64, success int64, failure int64) {
b.mu.Lock()
defer b.mu.Unlock()
return b.success, b.failure
return b.success + b.failure, b.success, b.failure
}
// smtpSession is returned after EHLO.
type smtpSession struct {
backend *smtpBackend
remoteAddr string
topic string
mu sync.Mutex
backend *smtpBackend
state *smtp.ConnectionState
topic string
mu sync.Mutex
}
func (s *smtpSession) AuthPlain(username, password string) error {
log.Debug("%s AUTH PLAIN (with username %s)", logSMTPPrefix(s.state), username)
return nil
}
func (s *smtpSession) Mail(from string, opts smtp.MailOptions) error {
log.Debug("%s MAIL FROM: %s (with options: %#v)", logSMTPPrefix(s.state), from, opts)
return nil
}
func (s *smtpSession) Rcpt(to string) error {
log.Debug("%s RCPT TO: %s", logSMTPPrefix(s.state), to)
return s.withFailCount(func() error {
conf := s.backend.config
addressList, err := mail.ParseAddressList(to)
@ -106,6 +113,11 @@ func (s *smtpSession) Data(r io.Reader) error {
if err != nil {
return err
}
if log.IsTrace() {
log.Trace("%s DATA: %s", logSMTPPrefix(s.state), string(b))
} else if log.IsDebug() {
log.Debug("%s DATA: %d byte(s)", logSMTPPrefix(s.state), len(b))
}
msg, err := mail.ReadMessage(bytes.NewReader(b))
if err != nil {
return err
@ -143,10 +155,18 @@ func (s *smtpSession) Data(r io.Reader) error {
}
func (s *smtpSession) publishMessage(m *message) error {
// Extract remote address (for rate limiting)
remoteAddr, _, err := net.SplitHostPort(s.state.RemoteAddr.String())
if err != nil {
remoteAddr = s.state.RemoteAddr.String()
}
// Call HTTP handler with fake HTTP request
url := fmt.Sprintf("%s/%s", s.backend.config.BaseURL, m.Topic)
req, err := http.NewRequest("PUT", url, strings.NewReader(m.Message))
req.RemoteAddr = s.remoteAddr // rate limiting!!
req.Header.Set("X-Forwarded-For", s.remoteAddr)
req, err := http.NewRequest("POST", url, strings.NewReader(m.Message))
req.RequestURI = "/" + m.Topic // just for the logs
req.RemoteAddr = remoteAddr // rate limiting!!
req.Header.Set("X-Forwarded-For", remoteAddr)
if err != nil {
return err
}
@ -176,6 +196,9 @@ func (s *smtpSession) withFailCount(fn func() error) error {
s.backend.mu.Lock()
defer s.backend.mu.Unlock()
if err != nil {
// Almost all of these errors are parse errors, and user input errors.
// We do not want to spam the log with WARN messages.
log.Debug("%s Incoming mail error: %s", logSMTPPrefix(s.state), err.Error())
s.backend.failure++
}
return err

View file

@ -47,14 +47,14 @@ func (t *topic) Publish(v *visitor, m *message) error {
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))
log.Debug("%s Forwarding to %d subscriber(s)", logMessagePrefix(v, m), len(t.subscribers))
for _, s := range t.subscribers {
if err := s(v, m); err != nil {
log.Warn("%s Error forwarding to subscriber", logPrefix(v, m))
log.Warn("%s Error forwarding to subscriber", logMessagePrefix(v, m))
}
}
} else {
log.Debug("%s No subscribers, not forwarding", logPrefix(v, m))
log.Trace("%s No stream or WebSocket subscribers, not forwarding", logMessagePrefix(v, m))
}
}()
return nil

View file

@ -1,6 +1,9 @@
package server
import (
"encoding/json"
"fmt"
"github.com/emersion/go-smtp"
"net/http"
"strings"
)
@ -40,3 +43,30 @@ func readQueryParam(r *http.Request, names ...string) string {
}
return ""
}
func logMessagePrefix(v *visitor, m *message) string {
return fmt.Sprintf("%s/%s/%s", v.ip, m.Topic, m.ID)
}
func logHTTPPrefix(v *visitor, r *http.Request) string {
requestURI := r.RequestURI
if requestURI == "" {
requestURI = r.URL.Path
}
return fmt.Sprintf("%s HTTP %s %s", v.ip, r.Method, requestURI)
}
func logSMTPPrefix(state *smtp.ConnectionState) string {
return fmt.Sprintf("%s/%s SMTP", state.Hostname, state.RemoteAddr.String())
}
func maybeMarshalJSON(v interface{}) string {
messageJSON, err := json.MarshalIndent(v, "", " ")
if err != nil {
return "<cannot serialize>"
}
if len(messageJSON) > 5000 {
return string(messageJSON)[:5000]
}
return string(messageJSON)
}