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https://github.com/binwiederhier/ntfy.git
synced 2024-12-15 17:50:55 +00:00
Working prefix
This commit is contained in:
Philipp Heckel
parent
7eaa92cb20
commit
e7f8fc93e4
2 changed files with 124 additions and 80 deletions
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@ -33,6 +33,8 @@ type Server struct {
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config *Config
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httpServer *http.Server
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httpsServer *http.Server
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smtpServer *smtp.Server
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smtpBackend *smtpBackend
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topics map[string]*topic
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visitors map[string]*visitor
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firebase subscriber
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@ -85,11 +87,12 @@ var (
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)
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var (
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topicRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}$`) // Regex must match JS & Android app!
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jsonRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/json$`)
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sseRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/sse$`)
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rawRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/raw$`)
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sendRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/(publish|send|trigger)$`)
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topicRegex = regexp.MustCompile(`^[-_A-Za-z0-9]{1,64}$`) // No /!
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topicPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}$`) // Regex must match JS & Android app!
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jsonPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/json$`)
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ssePathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/sse$`)
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rawPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/raw$`)
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publishPathRegex = regexp.MustCompile(`^/[-_A-Za-z0-9]{1,64}(,[-_A-Za-z0-9]{1,64})*/(publish|send|trigger)$`)
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staticRegex = regexp.MustCompile(`^/static/.+`)
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docsRegex = regexp.MustCompile(`^/docs(|/.*)$`)
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@ -225,6 +228,9 @@ func (s *Server) Run() error {
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if s.config.ListenHTTPS != "" {
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listenStr += fmt.Sprintf(" %s/https", s.config.ListenHTTPS)
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}
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if s.config.SMTPServerListen != "" {
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listenStr += fmt.Sprintf(" %s/smtp", s.config.SMTPServerListen)
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}
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log.Printf("Listening on %s", listenStr)
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mux := http.NewServeMux()
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mux.HandleFunc("/", s.handle)
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@ -243,7 +249,7 @@ func (s *Server) Run() error {
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}
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if s.config.SMTPServerListen != "" {
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go func() {
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errChan <- s.runMailserver()
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errChan <- s.runSMTPServer()
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}()
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}
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s.mu.Unlock()
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@ -264,6 +270,9 @@ func (s *Server) Stop() {
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if s.httpsServer != nil {
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s.httpsServer.Close()
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}
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if s.smtpServer != nil {
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s.smtpServer.Close()
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}
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close(s.closeChan)
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}
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@ -295,17 +304,17 @@ func (s *Server) handleInternal(w http.ResponseWriter, r *http.Request) error {
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return s.handleDocs(w, r)
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} else if r.Method == http.MethodOptions {
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return s.handleOptions(w, r)
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} else if r.Method == http.MethodGet && topicRegex.MatchString(r.URL.Path) {
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} else if r.Method == http.MethodGet && topicPathRegex.MatchString(r.URL.Path) {
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return s.handleTopic(w, r)
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} else if (r.Method == http.MethodPut || r.Method == http.MethodPost) && topicRegex.MatchString(r.URL.Path) {
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} else if (r.Method == http.MethodPut || r.Method == http.MethodPost) && topicPathRegex.MatchString(r.URL.Path) {
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return s.withRateLimit(w, r, s.handlePublish)
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} else if r.Method == http.MethodGet && sendRegex.MatchString(r.URL.Path) {
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} else if r.Method == http.MethodGet && publishPathRegex.MatchString(r.URL.Path) {
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return s.withRateLimit(w, r, s.handlePublish)
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} else if r.Method == http.MethodGet && jsonRegex.MatchString(r.URL.Path) {
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} else if r.Method == http.MethodGet && jsonPathRegex.MatchString(r.URL.Path) {
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return s.withRateLimit(w, r, s.handleSubscribeJSON)
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} else if r.Method == http.MethodGet && sseRegex.MatchString(r.URL.Path) {
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} else if r.Method == http.MethodGet && ssePathRegex.MatchString(r.URL.Path) {
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return s.withRateLimit(w, r, s.handleSubscribeSSE)
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} else if r.Method == http.MethodGet && rawRegex.MatchString(r.URL.Path) {
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} else if r.Method == http.MethodGet && rawPathRegex.MatchString(r.URL.Path) {
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return s.withRateLimit(w, r, s.handleSubscribeRaw)
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}
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return errHTTPNotFound
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@ -726,12 +735,15 @@ func (s *Server) updateStatsAndPrune() {
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messages += msgs
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}
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// Mail
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mailSuccess, mailFailure := s.smtpBackend.Counts()
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// Print stats
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log.Printf("Stats: %d message(s) published, %d topic(s) active, %d subscriber(s), %d message(s) buffered, %d visitor(s)",
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s.messages, len(s.topics), subscribers, messages, len(s.visitors))
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log.Printf("Stats: %d message(s) published, %d in cache, %d successful mails, %d failed, %d topic(s) active, %d subscriber(s), %d visitor(s)",
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s.messages, messages, mailSuccess, mailFailure, len(s.topics), subscribers, len(s.visitors))
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}
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func (s *Server) runMailserver() error {
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func (s *Server) runSMTPServer() error {
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sub := func(m *message) error {
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url := fmt.Sprintf("%s/%s", s.config.BaseURL, m.Topic)
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req, err := http.NewRequest("PUT", url, strings.NewReader(m.Message))
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@ -748,18 +760,16 @@ func (s *Server) runMailserver() error {
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}
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return nil
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}
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ms := smtp.NewServer(newMailBackend(s.config, sub))
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ms.Addr = s.config.SMTPServerListen
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ms.Domain = s.config.SMTPServerDomain
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ms.ReadTimeout = 10 * time.Second
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ms.WriteTimeout = 10 * time.Second
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ms.MaxMessageBytes = 2 * s.config.MessageLimit
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ms.MaxRecipients = 1
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ms.AllowInsecureAuth = true
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log.Println("Starting server at", ms.Addr)
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return ms.ListenAndServe()
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s.smtpBackend = newMailBackend(s.config, sub)
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s.smtpServer = smtp.NewServer(s.smtpBackend)
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s.smtpServer.Addr = s.config.SMTPServerListen
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s.smtpServer.Domain = s.config.SMTPServerDomain
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s.smtpServer.ReadTimeout = 10 * time.Second
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s.smtpServer.WriteTimeout = 10 * time.Second
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s.smtpServer.MaxMessageBytes = 2 * s.config.MessageLimit
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s.smtpServer.MaxRecipients = 1
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s.smtpServer.AllowInsecureAuth = true
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return s.smtpServer.ListenAndServe()
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}
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func (s *Server) runManager() {
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@ -5,17 +5,25 @@ import (
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"errors"
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"github.com/emersion/go-smtp"
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"io"
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"io/ioutil"
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"log"
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"net/mail"
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"strings"
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"sync"
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)
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var (
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errInvalidDomain = errors.New("invalid domain")
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errInvalidAddress = errors.New("invalid address")
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errInvalidTopic = errors.New("invalid topic")
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errTooManyRecipients = errors.New("too many recipients")
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)
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// smtpBackend implements SMTP server methods.
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type smtpBackend struct {
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config *Config
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sub subscriber
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config *Config
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sub subscriber
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success int64
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failure int64
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mu sync.Mutex
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}
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func newMailBackend(conf *Config, sub subscriber) *smtpBackend {
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@ -26,19 +34,24 @@ func newMailBackend(conf *Config, sub subscriber) *smtpBackend {
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}
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func (b *smtpBackend) Login(state *smtp.ConnectionState, username, password string) (smtp.Session, error) {
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return &smtpSession{config: b.config, sub: b.sub}, nil
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return &smtpSession{backend: b}, nil
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}
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func (b *smtpBackend) AnonymousLogin(state *smtp.ConnectionState) (smtp.Session, error) {
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return &smtpSession{config: b.config, sub: b.sub}, nil
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return &smtpSession{backend: b}, nil
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}
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func (b *smtpBackend) Counts() (success int64, failure int64) {
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b.mu.Lock()
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defer b.mu.Unlock()
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return b.success, b.failure
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}
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// smtpSession is returned after EHLO.
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type smtpSession struct {
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config *Config
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sub subscriber
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from, to string
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mu sync.Mutex
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backend *smtpBackend
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topic string
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mu sync.Mutex
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}
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func (s *smtpSession) AuthPlain(username, password string) error {
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@ -46,63 +59,84 @@ func (s *smtpSession) AuthPlain(username, password string) error {
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}
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func (s *smtpSession) Mail(from string, opts smtp.MailOptions) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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s.from = from
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return nil
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}
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func (s *smtpSession) Rcpt(to string) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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addressList, err := mail.ParseAddressList(to)
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if err != nil {
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return err
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} else if len(addressList) != 1 {
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return errors.New("only one recipient supported")
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} else if !strings.HasSuffix(addressList[0].Address, "@"+s.config.SMTPServerDomain) {
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return errors.New("invalid domain")
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} else if s.config.SMTPServerAddrPrefix != "" && !strings.HasPrefix(addressList[0].Address, s.config.SMTPServerAddrPrefix) {
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return errors.New("invalid address")
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}
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// FIXME check topic format
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s.to = addressList[0].Address
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return nil
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return s.withFailCount(func() error {
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conf := s.backend.config
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addressList, err := mail.ParseAddressList(to)
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if err != nil {
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return err
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} else if len(addressList) != 1 {
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return errTooManyRecipients
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}
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to = addressList[0].Address
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if !strings.HasSuffix(to, "@"+conf.SMTPServerDomain) {
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return errInvalidDomain
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}
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to = strings.TrimSuffix(to, "@"+conf.SMTPServerDomain)
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if conf.SMTPServerAddrPrefix != "" {
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if !strings.HasPrefix(to, conf.SMTPServerAddrPrefix) {
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return errInvalidAddress
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}
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to = strings.TrimPrefix(to, conf.SMTPServerAddrPrefix)
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}
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if !topicRegex.MatchString(to) {
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return errInvalidTopic
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}
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s.mu.Lock()
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s.topic = to
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s.mu.Unlock()
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return nil
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})
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}
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func (s *smtpSession) Data(r io.Reader) error {
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s.mu.Lock()
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defer s.mu.Unlock()
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b, err := ioutil.ReadAll(r)
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if err != nil {
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return err
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}
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log.Println("Data:", string(b))
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msg, err := mail.ReadMessage(bytes.NewReader(b))
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if err != nil {
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return err
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}
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body, err := io.ReadAll(msg.Body)
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if err != nil {
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return err
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}
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topic := strings.TrimSuffix(s.to, "@"+s.config.SMTPServerDomain)
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m := newDefaultMessage(topic, string(body))
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subject := msg.Header.Get("Subject")
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if subject != "" {
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m.Title = subject
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}
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return s.sub(m)
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return s.withFailCount(func() error {
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b, err := io.ReadAll(r) // Protected by MaxMessageBytes
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if err != nil {
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return err
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}
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msg, err := mail.ReadMessage(bytes.NewReader(b))
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if err != nil {
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return err
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}
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body, err := io.ReadAll(io.LimitReader(msg.Body, int64(s.backend.config.MessageLimit)))
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if err != nil {
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return err
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}
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m := newDefaultMessage(s.topic, string(body))
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subject := msg.Header.Get("Subject")
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if subject != "" {
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m.Title = subject
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}
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if err := s.backend.sub(m); err != nil {
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return err
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}
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s.backend.mu.Lock()
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s.backend.success++
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s.backend.mu.Unlock()
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return nil
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})
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}
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func (s *smtpSession) Reset() {
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s.mu.Lock()
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s.from = ""
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s.to = ""
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s.topic = ""
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s.mu.Unlock()
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}
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func (s *smtpSession) Logout() error {
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return nil
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}
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func (s *smtpSession) withFailCount(fn func() error) error {
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err := fn()
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s.backend.mu.Lock()
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defer s.backend.mu.Unlock()
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if err != nil {
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s.backend.failure++
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}
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return err
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}
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