initial commit

cmd/server/cert.pem

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----
+MIIDXzCCAkegAwIBAgIUFLBXeBoRiWo+BlKfVFxGAOU9uwgwDQYJKoZIhvcNAQEL
+BQAwPzELMAkGA1UEBhMCQVQxDTALBgNVBAgMBFdpZW4xDTALBgNVBAcMBFdpZW4x
+EjAQBgNVBAoMCURpZSBQYXJ0eTAeFw0yNTA5MTExNzUyNTZaFw0yNjA5MTExNzUy
+NTZaMD8xCzAJBgNVBAYTAkFUMQ0wCwYDVQQIDARXaWVuMQ0wCwYDVQQHDARXaWVu
+MRIwEAYDVQQKDAlEaWUgUGFydHkwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK
+AoIBAQDpNdBYKyc2z9hadellByc/CIPoDtHRVvjt94AMJFQ52Fu/yaN9/FX25egV
+S9st9TbIJkJ2rMX8gaposF1Z1fN0uEujwuRv/l3MnvKEtYcVJtcc96/KdV/JD0kX
+lTTr8WX6C5uJ8J9gZx4epc3SUVUevKvyjGjtO/1pGsS/JKpE1fgpa8V5TYaitL8t
+EIMp7DOH2ebc8YXFb/nyr4mlsRTbheD/BJgAqWKi3kKJuml9etzWFlwoMli/nONJ
+pj/KGCJLXABczwHehBIu4rBl56R9qtnRtPN9i9AEotRQHla5125mRyCCd2PRRITu
+RiSdB0y8kImhROlzpacDSBPh0sJhAgMBAAGjUzBRMB0GA1UdDgQWBBQJP+zNoNNG
+RQh0cgt42u0qGuMRkTAfBgNVHSMEGDAWgBQJP+zNoNNGRQh0cgt42u0qGuMRkTAP
+BgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQAINSMWHokDTqoQodHY
+IJH0p0NxEqoQMhrt44medHWPYMlk4k3mWn5JD/9e29hsmovaobLPmW4+Qh90+vMu
+/+yu1YBkjsNhyZ7INyPjT2UhC6JWxJTSBFtkfL8/sg61gjDSo2ERzlC/MkQ3wozr
+bLsIf9Kj8FWMotfp71Anrrf6K83BQv6Xz5Vl/pCge0bUFkwAnoupEuiAGhLcflUH
+0p/KX72qq1fdZjd6HRm2RodtJGT8wve3HWCzJcNA45DFbuF3RCH5o3Ntc+nLX8oF
+OhYq/a8agiEWzaKwqZZ7LNyDQk65HcQDAi0qG31IdBBd6OM6DEvlh0DZIDzL7igj
+g2C/
+-----END CERTIFICATE-----

cmd/server/key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDpNdBYKyc2z9ha
+dellByc/CIPoDtHRVvjt94AMJFQ52Fu/yaN9/FX25egVS9st9TbIJkJ2rMX8gapo
+sF1Z1fN0uEujwuRv/l3MnvKEtYcVJtcc96/KdV/JD0kXlTTr8WX6C5uJ8J9gZx4e
+pc3SUVUevKvyjGjtO/1pGsS/JKpE1fgpa8V5TYaitL8tEIMp7DOH2ebc8YXFb/ny
+r4mlsRTbheD/BJgAqWKi3kKJuml9etzWFlwoMli/nONJpj/KGCJLXABczwHehBIu
+4rBl56R9qtnRtPN9i9AEotRQHla5125mRyCCd2PRRITuRiSdB0y8kImhROlzpacD
+SBPh0sJhAgMBAAECggEARvLKOaiXO4OsDIlGwieU9wY+KwEnMArHnI3pdMgwn5CF
+CSntBU0ZUg3Lt37mZWruiaGqIrSZXyKLl2HgZI5EjMPsrxuBp9i47KGGon0fZX31
+f6iS4IMo6uAtmnEYMpe0MIgLf8GmmwuEDErg/RUlUj6QCTBSU6omhC1SodwjuODS
+7iCl11XcamqmVUY/VIByQH38rGzPuvNVHjc9w0nyop4TSLaoxAH/yyrg2oFfc/Ra
+h3bgsrYoasDjI1+BzreDiyoCJBwTlpG11DTmlO2bYYUgt3lgwQz12McdNJK+1s+R
+60M0BkD4TiglvHSHaUenDtXT93D8JlzOrrwYSNe0qQKBgQD7RPy3EO4KXij7QSAs
+8aM5kJQjV0JKzmLH2+/WeIjFGiJLVqWbMLF2NSaKPjh5ktXT1YmkJgbfgLw7M4q3
+a/TWdAxPpjT4GhZh8AdqEKAlpLxaweu2umKsgmPwk12/nsB/vmEZG96vhHviC5PI
++KHKqTvGtdBsTMWhA0z0zf9GQwKBgQDtmcnirPD9QLtQd5O6dqNVUmgH8/wqGLrD
+Y88H6Yv5nmd9Oex9JoZLOQO0oXRNRUU+eCxDm6volKgI0W6XT3U1+qBicLmGdYy6
+4MHQ7Zu4e8+TNmGeAWlnOrCf8nmEQz9KjW8kOGLY09pHj6U8xxoICi2DPmNQgN6s
+t8KJQCY0iwKBgFI4Z81rj8j6uMRGskWiqDuc8KyD0CB0WmR1toxikraUb6Zhav1W
+OKuqhrrz0z0M7EVN+aUqAFPAZ1ej7P9KJyrJfIHPrEOHHc3cYkC1wgGvXyb/j6cS
+ZFl4rUU6o5GhW/IxFMrHkN20J2l3SluX6DFNoU7LjbDyijS+xL7SbXbLAoGBAJJ1
+AoGsEpw44311R+VfLczxD9kfJueX+L9p7Xq2FicW4jnJk6GNNqh1i3gzMWpT8ZvR
+HY/LDEtAHtfYqK+yNdDBHU2wqFteaBHlavLrE9rCzq+yjLeFrUAJaEgfgZHqlb/R
+sJmF/EAlTl5gB/2PyNb91xIYScWcuiWC2/IYTbSDAoGAZfDgx5CZZirYjzyTxDGM
++Ex06mqgDO+fWDm/Uyug4Ja3gk10Iu88F8MB6btm2yIras88RwnMPicBSq++yE0R
+/ilOe5KSFyfQ3uu63gUgTKwCgb4LrdC6hMsD4ILnH44VH2zQ9yyLjrOq/8nsEq7v
+E9VeQGnFHeM6Rpl1KUHTnnY=
+-----END PRIVATE KEY-----

cmd/server/main.go

@@ -0,0 +1,104 @@
+package main
+
+import (
+	//"encoding/json"
+	"html/template"
+	"net/http"
+	"fmt"
+	"time"
+
+	"github.com/gorilla/websocket"
+)
+
+type Message struct {
+	Type      string  `json:"type"`
+	Timestamp string  `json:"timestamp"`
+	Random    float64 `json:"random"`
+}
+
+var page_template = template.Must(template.ParseFiles("../../ui/index.html"))
+
+var upgrader = websocket.Upgrader{
+	CheckOrigin: func(r *http.Request) bool { return true }, // allow all origins
+}
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	data := struct {
+		Name string
+	}{
+		Name: "Visitor",
+	}
+	page_template.Execute(w, data)
+}
+
+func ws_handler(w http.ResponseWriter, r *http.Request) {
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		fmt.Println("Upgrade error:", err)
+		return
+	}
+	defer conn.Close()
+
+	done := make(chan struct{})
+
+	go func() {
+		ticker := time.NewTicker(1 * time.Second);
+
+		for {
+			select {
+			case <-done:
+				return
+			case t := <-ticker.C:
+				msg := map[string]interface{}{
+					"type":      "server_tick",
+					"timestamp": t.Format(time.RFC3339),
+				}
+
+
+				if err := conn.WriteJSON(msg); err != nil {
+					fmt.Println("Write error:", err)
+					return
+				}
+			}
+		}
+	}()
+
+	for {
+		var msg Message
+		err := conn.ReadJSON(&msg)
+		if err != nil {
+			fmt.Println("Read error:", err)
+			break
+		}
+		fmt.Println(msg)
+
+		// Send a response
+		// response := fmt.Sprintf("Server time: %s", time.Now())
+		// if err := conn.WriteMessage(websocket.TextMessage, []byte(response)); err != nil {
+		// 	fmt.Println("Write error:", err)
+		// 	break
+		// }
+	}
+}
+
+func redirect_to_HTTPS(w http.ResponseWriter, r *http.Request) {
+	http.Redirect(w, r, "https://localhost:8443" + r.URL.RequestURI(), http.StatusMovedPermanently)
+}
+
+func main() {
+	http.HandleFunc("/", handler)
+	http.HandleFunc("/ws", ws_handler)
+
+	go func() {
+		err := http.ListenAndServe(":8080", http.HandlerFunc(redirect_to_HTTPS))
+		if err != nil {
+			panic(err)
+		}
+	}()
+
+	// Start HTTPS server (requires cert.pem and key.pem in current dir)
+	err := http.ListenAndServeTLS(":8443", "cert.pem", "key.pem", nil)
+	if err != nil {
+		panic(err)
+	}
+}

go.mod

@@ -0,0 +1,5 @@
+module party.at/party
+
+go 1.25.1
+
+require github.com/gorilla/websocket v1.5.3 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=

ui/index.html

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Ping Demo</title>
+    <script>
+        const ws = new WebSocket("wss://localhost:8443/ws");
+
+        ws.onopen = () => console.log("Connected")
+        ws.onmessage = (event) => console.log(event.data)
+        ws.onclose = () => console.log("Closed")
+
+        setInterval(() => {
+            if (ws.readyState === WebSocket.OPEN) {
+                const message = {
+                    type: "ping",
+                    timestamp: Date(),
+                    random: Math.random()
+                };
+
+                ws.send(JSON.stringify(message))
+            }
+        }, 1000)
+    </script>
+</head>
+<body>
+    <h1>Hello, {{.Name}}!</h1>
+    <p>This page sends a ping to the server every second.</p>
+</body>
+</html>