feat: adding apiKey for authentication

go.mod

@@ -9,4 +9,12 @@ require (
 	github.com/google/uuid v1.6.0
 )
 
-require git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48
+require (
+	git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48
+	github.com/gobwas/ws v1.4.0
+)
+
+require (
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+)

go.sum

@@ -2,7 +2,14 @@ git.neurocipta.com/rogerferdinan/custom-rwmutex v1.0.0 h1:KnNc40SrYsg0cksIIcQy/c
 git.neurocipta.com/rogerferdinan/custom-rwmutex v1.0.0/go.mod h1:9DvvHc2UZhBwEs63NgO4IhiuHnBNtTuBkTJgiMnnCss=
 git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48 h1:4wXSbEuwFd2gycaaGP35bjUkKEEO6WcVfJ6cetEyT5s=
 git.neurocipta.com/rogerferdinan/safe-map v0.0.0-20251011004629-ab0b119a7c48/go.mod h1:QtIxG0BYCCq8a5qyklpSHA8qWUvKr+mfl42qF9QxTc0=
+github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
+github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
+github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
+github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.4.0 h1:CTaoG1tojrh4ucGPcoJFiAQUAsEWekEWvLy7GsVNqGs=
+github.com/gobwas/ws v1.4.0/go.mod h1:G3gNqMNtPppf5XUz7O4shetPpcZ1VJ7zt18dlUeakrc=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

internal/error_response.go

@@ -0,0 +1,56 @@
+package internal
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type StatusMessageBuilder struct {
+	statusCode *int
+	message    *string
+}
+
+func NewStatusMessage() *StatusMessageBuilder {
+	return &StatusMessageBuilder{}
+}
+
+func (sm *StatusMessageBuilder) StatusCode(statusCode int) *StatusMessageBuilder {
+	sm.statusCode = &statusCode
+	return sm
+}
+
+func (sm *StatusMessageBuilder) Message(message string) *StatusMessageBuilder {
+	sm.message = &message
+	return sm
+}
+
+func (sm *StatusMessageBuilder) Build() *StatusMessage {
+	return &StatusMessage{
+		StatusCode: sm.statusCode,
+		Message:    sm.message,
+	}
+}
+
+type StatusMessage struct {
+	StatusCode *int
+	Message    *string `json:"msg"`
+}
+
+func ErrorResponse(w http.ResponseWriter, statusMessage *StatusMessage) error {
+	if statusMessage.StatusCode == nil {
+		return fmt.Errorf("status code is missing")
+	}
+	if statusMessage.Message == nil {
+		return fmt.Errorf("message is missing")
+	}
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(*statusMessage.StatusCode)
+
+	b, err := json.Marshal(statusMessage)
+	if err != nil {
+		return fmt.Errorf("failed to marshal JSON")
+	}
+	w.Write(b)
+	return nil
+}

v1/examples/client/main.go

@@ -29,17 +29,17 @@ func main() {
 		BasePort(8080).
 		Path("/ws/test/data_1").
 		UseTLS(false).
-		ChannelSize(30).
+		ChannelSize(1).
 		Build(ctx)
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	// go func() {
+	go func() {
-	// 	for range wsClient.ReconnectChannel() {
+		for range wsClient.ReconnectChannel() {
-	// 		fmt.Println("Reconnection Success")
+			fmt.Println("Reconnection Success")
-	// 	}
+		}
-	// }()
+	}()
 
 	dataChannel := wsClient.DataChannel()
 

v1/examples/gobwas-server/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"syscall"
+)
+
+func setMaxRLimit() {
+	var rLimit syscall.Rlimit
+	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+	rLimit.Cur = rLimit.Max
+	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+}
+
+func main() {
+	setMaxRLimit()
+	// pooler, err := netpool.New()
+
+	// http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+	// 	if _, _, _, err := ws.UpgradeHTTP(r, w); err != nil {
+	// 		log.Fatal(err)
+	// 	}
+	// })
+	// epoller, err := MkEp
+}

v1/examples/server/main.go

@@ -17,6 +17,7 @@ func main() {
 	s, err := server.NewSafeWebsocketServerBuilder().
 		BaseHost("localhost").
 		BasePort(8080).
+		ApiKey("").
 		HandleFuncWebsocket("/ws/test/", "data_1", func(c chan []byte) {
 			ticker := time.NewTicker(10 * time.Millisecond)
 			for range ticker.C {

v1/server/server.go

@@ -5,14 +5,27 @@ import (
 	"log"
 	"net/http"
 	"strings"
+	"syscall"
 
 	"git.neurocipta.com/rogerferdinan/safe-web-socket/internal"
 	"github.com/gorilla/websocket"
 )
 
+func setMaxRLimit() {
+	var rLimit syscall.Rlimit
+	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+	rLimit.Cur = rLimit.Max
+	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit); err != nil {
+		panic(err)
+	}
+}
+
 type SafeWebsocketServerBuilder struct {
 	baseHost *string             `nil_checker:"required"`
 	basePort *uint16             `nil_checker:"required"`
+	apiKey   *string             `nil_checker:"required"`
 	upgrader *websocket.Upgrader `nil_checker:"required"`
 	mux      *http.ServeMux      `nil_checker:"required"`
 }
@@ -40,16 +53,17 @@ func (b *SafeWebsocketServerBuilder) BasePort(basePort uint16) *SafeWebsocketSer
 	return b
 }
 
-func (b *SafeWebsocketServerBuilder) HandleFunc(
+func (b *SafeWebsocketServerBuilder) ApiKey(apiKey string) *SafeWebsocketServerBuilder {
-	pattern string, fn func(http.ResponseWriter, *http.Request),
+	b.apiKey = &apiKey
-) *SafeWebsocketServerBuilder {
+	return b
+}
+
+func (b *SafeWebsocketServerBuilder) HandleFunc(pattern string, fn func(http.ResponseWriter, *http.Request)) *SafeWebsocketServerBuilder {
 	b.mux.HandleFunc(pattern, fn)
 	return b
 }
 
-func (b *SafeWebsocketServerBuilder) HandleFuncWebsocket(
+func (b *SafeWebsocketServerBuilder) HandleFuncWebsocket(pattern string, subscribedPath string, writeFunc func(chan []byte)) *SafeWebsocketServerBuilder {
-	pattern string, subscribedPath string, writeFunc func(chan []byte),
-) *SafeWebsocketServerBuilder {
 	h := internal.NewHub()
 	h.Run()
 
@@ -79,22 +93,36 @@ func (b *SafeWebsocketServerBuilder) Build() (*SafeWebsocketServer, error) {
 		return nil, err
 	}
 
+	setMaxRLimit()
 	safeServer := SafeWebsocketServer{
-		url: fmt.Sprintf("%s:%d", *b.baseHost, *b.basePort),
+		mux:    b.mux,
-		mux: b.mux,
+		url:    fmt.Sprintf("%s:%d", *b.baseHost, *b.basePort),
+		apiKey: *b.apiKey,
 	}
 	return &safeServer, nil
 }
 
 type SafeWebsocketServer struct {
-	hub *internal.Hub
+	mux    *http.ServeMux
-	mux *http.ServeMux
+	url    string
-	url string
+	apiKey string
+}
+
+func (s *SafeWebsocketServer) AuthMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Header.Get("X-MBX-APIKEY") != s.apiKey {
+			internal.ErrorResponse(w, internal.NewStatusMessage().
+				StatusCode(http.StatusForbidden).
+				Message("X-MBX-APIKEY is missing").
+				Build())
+		}
+		next.ServeHTTP(w, r)
+	})
 }
 
 func (s *SafeWebsocketServer) ListenAndServe() error {
 	log.Printf("HTTP serve on %s\n", s.url)
-	if err := http.ListenAndServe(s.url, s.mux); err != nil {
+	if err := http.ListenAndServe(s.url, s.AuthMiddleware(s.mux)); err != nil {
 		return fmt.Errorf("failed to serve websocket: %w", err)
 	}
 	return nil