fix versions and turn off challenges port by default
This commit is contained in:
parent
6810c6f86d
commit
b2d6bb7a08
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@ -68,8 +68,8 @@ func main() {
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"port to listen to (default localhost 3000)")
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flag.StringVar(&lnAddr, "listen", "",
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"IPv4 or IPv6 bind address + port (instead of --port)")
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flag.StringVar(&challengesPort, "challenges-port", "80",
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"port to use to respond to .well-known/acme-challenge tokens")
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flag.StringVar(&challengesPort, "challenges-port", "",
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"port to use to respond to .well-known/acme-challenge tokens (should be 80, if used)")
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flag.StringVar(&dbURL, "db-url", "postgres://postgres:postgres@localhost:5432/postgres",
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"database (postgres) connection url")
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flag.StringVar(&secret, "secret", "",
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@ -161,23 +161,33 @@ func main() {
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mgmt.Init(store, provider)
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go func() {
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fmt.Println("Listening for ACME challenges on :" + challengesPort)
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r := chi.NewRouter()
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r.Get("/version", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(ver() + "\n"))
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})
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r.Get("/api/version", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("TODO (json): " + ver() + "\n"))
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})
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if err := http.ListenAndServe(":"+challengesPort, mgmt.RouteStatic(r)); nil != err {
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log.Fatal(err)
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os.Exit(1)
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}
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}()
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if len(challengesPort) > 0 {
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go func() {
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fmt.Println("Listening for ACME challenges on :" + challengesPort)
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r := chi.NewRouter()
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r.Get("/version", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(ver() + "\n"))
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})
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r.Get("/api/version", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("TODO (json): " + ver() + "\n"))
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})
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if err := http.ListenAndServe(":"+challengesPort, mgmt.RouteStatic(r)); nil != err {
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log.Fatal(err)
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os.Exit(1)
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}
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}()
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}
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fmt.Println("Listening on", lnAddr)
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fmt.Fprintf(os.Stderr, "failed: %s", http.ListenAndServe(lnAddr, mgmt.RouteAll()))
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r := chi.NewRouter()
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r.Get("/version", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(ver() + "\n"))
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})
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r.Get("/api/version", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("TODO (json): " + ver() + "\n"))
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})
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mgmt.RouteAll(r)
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fmt.Fprintf(os.Stderr, "failed: %s", http.ListenAndServe(lnAddr, r))
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}
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// newNameDotComDNSProvider is for the sake of demoing the tunnel
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@ -53,7 +53,7 @@ func getACMEChallenges(w http.ResponseWriter, r *http.Request) {
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fsrv.ServeHTTP(w, r)
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}
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func RouteAll() chi.Router {
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func RouteAll(r chi.Router) {
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go func() {
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for {
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@ -74,220 +74,219 @@ func RouteAll() chi.Router {
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}
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}()
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r := chi.NewRouter()
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r.Use(middleware.Logger)
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r.Use(middleware.Timeout(15 * time.Second))
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r.Use(middleware.Recoverer)
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r.Route("/", func(r chi.Router) {
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r.Use(middleware.Logger)
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r.Use(middleware.Timeout(15 * time.Second))
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r.Use(middleware.Recoverer)
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r.Get("/.well-known/acme-challenge/{token}", getACMEChallenges)
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r.Get("/.well-known/acme-challenge/{token}", getACMEChallenges)
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r.Route("/api", func(r chi.Router) {
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r.Use(func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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r.Route("/api", func(r chi.Router) {
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r.Use(func(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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var tokenString string
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if auth := strings.Split(r.Header.Get("Authorization"), " "); len(auth) > 1 {
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// TODO handle Basic auth tokens as well
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tokenString = auth[1]
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}
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//var err2 error = nil
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tok, err := jwt.ParseWithClaims(
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tokenString,
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&MgmtClaims{},
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func(token *jwt.Token) (interface{}, error) {
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if dbg.Debug {
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fmt.Println("parsed jwt", token)
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}
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kid, ok := token.Header["kid"].(string)
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if !ok {
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return nil, fmt.Errorf("missing jwt header 'kid' (key id)")
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}
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auth, err := store.Get(kid)
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if nil != err {
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return nil, fmt.Errorf("invalid jwt header 'kid' (key id)")
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}
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claims := token.Claims.(*MgmtClaims)
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jti := claims.Id
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if "" == jti {
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return nil, fmt.Errorf("missing jwt payload 'jti' (jwt id / nonce)")
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}
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iat := claims.IssuedAt
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if 0 == iat {
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return nil, fmt.Errorf("missing jwt payload 'iat' (issued at)")
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}
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exp := claims.ExpiresAt
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if 0 == exp {
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return nil, fmt.Errorf("missing jwt payload 'exp' (expires at)")
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}
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if "" != claims.Slug {
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return nil, fmt.Errorf("extra jwt payload 'slug' (unknown)")
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}
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claims.Slug = auth.Slug
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if "" != claims.Subject && auth.Slug != claims.Subject {
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return nil, fmt.Errorf("invalid jwt payload 'sub' (mismatch)")
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}
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claims.Subject = claims.Slug
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claims.Issuer = DeviceDomain
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claims.Audience = fmt.Sprintf("wss://%s/ws", RelayDomain)
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/*
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// a little misdirection there
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mac := hmac.New(sha256.New, auth.MachinePPID)
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_ = mac.Write([]byte(auth.SharedKey))
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_ = mac.Write([]byte(fmt.Sprintf("%d", exp)))
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return []byte(auth.SharedKey), nil
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*/
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//fmt.Println("ppid:", auth.MachinePPID)
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return []byte(auth.MachinePPID), nil
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},
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)
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ctx := r.Context()
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if nil != tok {
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if tok.Valid {
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ctx = context.WithValue(ctx, MWKey("token"), tok)
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ctx = context.WithValue(ctx, MWKey("claims"), tok.Claims)
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ctx = context.WithValue(ctx, MWKey("valid"), true)
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fmt.Println("[auth] Token is fully valid:")
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fmt.Println(ctx.Value(MWKey("claims")))
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} else {
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fmt.Println("[auth] Token was parsed, but NOT valid:", tok)
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var tokenString string
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if auth := strings.Split(r.Header.Get("Authorization"), " "); len(auth) > 1 {
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// TODO handle Basic auth tokens as well
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tokenString = auth[1]
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}
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}
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if nil != err {
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fmt.Println("[auth] Token is NOT valid due to error:", err)
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ctx = context.WithValue(ctx, MWKey("error"), err)
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}
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next.ServeHTTP(w, r.WithContext(ctx))
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//var err2 error = nil
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tok, err := jwt.ParseWithClaims(
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tokenString,
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&MgmtClaims{},
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func(token *jwt.Token) (interface{}, error) {
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if dbg.Debug {
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fmt.Println("parsed jwt", token)
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}
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kid, ok := token.Header["kid"].(string)
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if !ok {
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return nil, fmt.Errorf("missing jwt header 'kid' (key id)")
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}
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auth, err := store.Get(kid)
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if nil != err {
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return nil, fmt.Errorf("invalid jwt header 'kid' (key id)")
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}
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claims := token.Claims.(*MgmtClaims)
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jti := claims.Id
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if "" == jti {
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return nil, fmt.Errorf("missing jwt payload 'jti' (jwt id / nonce)")
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}
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iat := claims.IssuedAt
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if 0 == iat {
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return nil, fmt.Errorf("missing jwt payload 'iat' (issued at)")
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}
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exp := claims.ExpiresAt
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if 0 == exp {
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return nil, fmt.Errorf("missing jwt payload 'exp' (expires at)")
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}
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if "" != claims.Slug {
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return nil, fmt.Errorf("extra jwt payload 'slug' (unknown)")
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}
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claims.Slug = auth.Slug
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if "" != claims.Subject && auth.Slug != claims.Subject {
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return nil, fmt.Errorf("invalid jwt payload 'sub' (mismatch)")
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}
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claims.Subject = claims.Slug
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claims.Issuer = DeviceDomain
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claims.Audience = fmt.Sprintf("wss://%s/ws", RelayDomain)
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/*
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// a little misdirection there
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mac := hmac.New(sha256.New, auth.MachinePPID)
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_ = mac.Write([]byte(auth.SharedKey))
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_ = mac.Write([]byte(fmt.Sprintf("%d", exp)))
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return []byte(auth.SharedKey), nil
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*/
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//fmt.Println("ppid:", auth.MachinePPID)
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return []byte(auth.MachinePPID), nil
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},
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)
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ctx := r.Context()
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if nil != tok {
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if tok.Valid {
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ctx = context.WithValue(ctx, MWKey("token"), tok)
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ctx = context.WithValue(ctx, MWKey("claims"), tok.Claims)
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ctx = context.WithValue(ctx, MWKey("valid"), true)
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fmt.Println("[auth] Token is fully valid:")
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fmt.Println(ctx.Value(MWKey("claims")))
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} else {
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fmt.Println("[auth] Token was parsed, but NOT valid:", tok)
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}
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}
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if nil != err {
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fmt.Println("[auth] Token is NOT valid due to error:", err)
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ctx = context.WithValue(ctx, MWKey("error"), err)
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}
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next.ServeHTTP(w, r.WithContext(ctx))
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})
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})
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})
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handleDNSRoutes(r)
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handleDeviceRoutes(r)
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handleDNSRoutes(r)
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handleDeviceRoutes(r)
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r.Get("/inspect", func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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claims, ok := ctx.Value(MWKey("claims")).(*MgmtClaims)
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if !ok {
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msg := `{"error":"failure to ping: 3", "code":"E_TOKEN"}`
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fmt.Println("touch no claims", claims)
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http.Error(w, msg+"\n", http.StatusBadRequest)
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return
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}
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w.Write([]byte(fmt.Sprintf(
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`{ "sub": "%s", "aud": "%s", "domains": [ "%s.%s" ], "ports": [] }`+"\n",
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claims.Subject,
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claims.Audience,
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claims.Slug,
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DeviceDomain,
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)))
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})
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r.Route("/register-device", func(r chi.Router) {
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// r.Use() // must NOT have slug '*'
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r.Post("/{otp}", func(w http.ResponseWriter, r *http.Request) {
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sharedKey := chi.URLParam(r, "otp")
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original, err := store.Get(sharedKey)
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if nil != err {
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msg := `{"error":"not found", "code":"E_NOT_FOUND"}`
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log.Printf("/api/register-device/\n")
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log.Println(err)
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http.Error(w, msg, http.StatusNotFound)
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return
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}
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if len(original.MachinePPID) > 0 {
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msg := `{"error":"the presented key has already been used", "code":"E_EXIST"}`
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log.Printf("/api/register-device/\n")
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log.Println(err)
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http.Error(w, msg, http.StatusUnprocessableEntity)
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r.Get("/inspect", func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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claims, ok := ctx.Value(MWKey("claims")).(*MgmtClaims)
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if !ok {
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msg := `{"error":"failure to ping: 3", "code":"E_TOKEN"}`
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fmt.Println("touch no claims", claims)
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http.Error(w, msg+"\n", http.StatusBadRequest)
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return
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}
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auth := &authstore.Authorization{}
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decoder := json.NewDecoder(r.Body)
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err = decoder.Decode(&auth)
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// MachinePPID and PublicKey are required. ID must NOT be set. Slug is ignored.
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epoch := time.Time{}
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auth.SharedKey = sharedKey
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if nil != err || "" != auth.ID || "" == auth.MachinePPID ||
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"" == auth.PublicKey || "" == auth.SharedKey ||
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epoch != auth.CreatedAt || epoch != auth.UpdatedAt || epoch != auth.DeletedAt {
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msg, _ := json.Marshal(&struct {
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Error string `json:"error"`
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}{
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Error: "expected JSON in the format {\"machine_ppid\":\"\",\"public_key\":\"\"}",
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})
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http.Error(w, string(msg), http.StatusUnprocessableEntity)
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return
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}
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// TODO hash the PPID and check against the Public Key?
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pub := authstore.ToPublicKeyString(auth.MachinePPID)
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if pub != auth.PublicKey {
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msg, _ := json.Marshal(&struct {
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Error string `json:"error"`
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}{
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Error: "expected `public_key` to be the first 24 bytes of the hash of the `machine_ppid`",
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})
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http.Error(w, string(msg), http.StatusUnprocessableEntity)
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return
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}
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original.PublicKey = auth.PublicKey
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original.MachinePPID = auth.MachinePPID
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err = store.Set(original)
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if nil != err {
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msg := `{"error":"not really sure what happened, but it didn't go well (check the logs)", "code":"E_SERVER"}`
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log.Printf("/api/register-device/\n")
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log.Println(err)
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http.Error(w, msg, http.StatusInternalServerError)
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return
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}
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result, _ := json.Marshal(auth)
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w.Write(result)
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w.Write([]byte(fmt.Sprintf(
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`{ "sub": "%s", "aud": "%s", "domains": [ "%s.%s" ], "ports": [] }`+"\n",
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claims.Subject,
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claims.Audience,
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claims.Slug,
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DeviceDomain,
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)))
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})
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})
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r.Post("/ping", func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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claims, ok := ctx.Value(MWKey("claims")).(*MgmtClaims)
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if !ok {
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msg := `{"error":"failure to ping: 1", "code":"E_TOKEN"}`
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http.Error(w, msg+"\n", http.StatusBadRequest)
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return
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}
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r.Route("/register-device", func(r chi.Router) {
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// r.Use() // must NOT have slug '*'
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fmt.Println("ping pong??", claims)
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err := store.Touch(claims.Slug)
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if nil != err {
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fmt.Fprintf(os.Stderr, "touch err %s\n", err)
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var msg string
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if err == authstore.ErrNotFound {
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// if the token is valid, touch should ALWAYS work
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msg = `{"error":"failure to ping: inconsistent database data", "code":"E_SERVER"}`
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} else {
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msg = `{"error":"failure to ping: 2", "code":"E_SERVER"}`
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r.Post("/{otp}", func(w http.ResponseWriter, r *http.Request) {
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sharedKey := chi.URLParam(r, "otp")
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original, err := store.Get(sharedKey)
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if nil != err {
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msg := `{"error":"not found", "code":"E_NOT_FOUND"}`
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log.Printf("/api/register-device/\n")
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log.Println(err)
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http.Error(w, msg, http.StatusNotFound)
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return
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}
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if len(original.MachinePPID) > 0 {
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msg := `{"error":"the presented key has already been used", "code":"E_EXIST"}`
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log.Printf("/api/register-device/\n")
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log.Println(err)
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http.Error(w, msg, http.StatusUnprocessableEntity)
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return
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}
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auth := &authstore.Authorization{}
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decoder := json.NewDecoder(r.Body)
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err = decoder.Decode(&auth)
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// MachinePPID and PublicKey are required. ID must NOT be set. Slug is ignored.
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epoch := time.Time{}
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auth.SharedKey = sharedKey
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if nil != err || "" != auth.ID || "" == auth.MachinePPID ||
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"" == auth.PublicKey || "" == auth.SharedKey ||
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epoch != auth.CreatedAt || epoch != auth.UpdatedAt || epoch != auth.DeletedAt {
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msg, _ := json.Marshal(&struct {
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Error string `json:"error"`
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}{
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Error: "expected JSON in the format {\"machine_ppid\":\"\",\"public_key\":\"\"}",
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})
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http.Error(w, string(msg), http.StatusUnprocessableEntity)
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return
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}
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// TODO hash the PPID and check against the Public Key?
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pub := authstore.ToPublicKeyString(auth.MachinePPID)
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if pub != auth.PublicKey {
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msg, _ := json.Marshal(&struct {
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Error string `json:"error"`
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}{
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Error: "expected `public_key` to be the first 24 bytes of the hash of the `machine_ppid`",
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})
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http.Error(w, string(msg), http.StatusUnprocessableEntity)
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return
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}
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original.PublicKey = auth.PublicKey
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original.MachinePPID = auth.MachinePPID
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err = store.Set(original)
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if nil != err {
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msg := `{"error":"not really sure what happened, but it didn't go well (check the logs)", "code":"E_SERVER"}`
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log.Printf("/api/register-device/\n")
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log.Println(err)
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http.Error(w, msg, http.StatusInternalServerError)
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return
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}
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result, _ := json.Marshal(auth)
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w.Write(result)
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})
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})
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|
||||
r.Post("/ping", func(w http.ResponseWriter, r *http.Request) {
|
||||
ctx := r.Context()
|
||||
claims, ok := ctx.Value(MWKey("claims")).(*MgmtClaims)
|
||||
if !ok {
|
||||
msg := `{"error":"failure to ping: 1", "code":"E_TOKEN"}`
|
||||
http.Error(w, msg+"\n", http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
http.Error(w, msg+"\n", http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
w.Write([]byte(`{ "success": true }` + "\n"))
|
||||
})
|
||||
fmt.Println("ping pong??", claims)
|
||||
err := store.Touch(claims.Slug)
|
||||
if nil != err {
|
||||
fmt.Fprintf(os.Stderr, "touch err %s\n", err)
|
||||
var msg string
|
||||
if err == authstore.ErrNotFound {
|
||||
// if the token is valid, touch should ALWAYS work
|
||||
msg = `{"error":"failure to ping: inconsistent database data", "code":"E_SERVER"}`
|
||||
} else {
|
||||
msg = `{"error":"failure to ping: 2", "code":"E_SERVER"}`
|
||||
}
|
||||
http.Error(w, msg+"\n", http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
|
||||
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Write([]byte("Hello\n"))
|
||||
w.Write([]byte(`{ "success": true }` + "\n"))
|
||||
})
|
||||
|
||||
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Write([]byte("Hello\n"))
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
return r
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue