added basic websocket broadcasting functionality

This commit is contained in:
2024-04-17 01:48:18 +02:00
parent 8e1a01ca8a
commit e1308a7ebe
8 changed files with 124 additions and 49 deletions

View File

@@ -2,10 +2,11 @@ package main
import (
"fmt"
"log"
"net/http"
"os"
"github.com/gorilla/websocket"
"github.com/joho/godotenv"
)
var upgrader = websocket.Upgrader{
@@ -13,63 +14,45 @@ var upgrader = websocket.Upgrader{
WriteBufferSize: 1024,
}
// UserToken represents a user token in the database.
type UserToken struct {
UserID string
Token string
var clients = make(map[*websocket.Conn]bool) // connected clients
var broadcast = make(chan []byte) // broadcast channel
func main() {
godotenv.Load()
http.HandleFunc("/ws", handleConnections)
go handleMessages()
fmt.Println("Server running on " + os.Getenv("PORT"))
http.ListenAndServeTLS(os.Getenv("PORT"), "cert.pem", "key.pem", nil)
}
// userTokens is a simple in-memory map for demonstration purposes.
var userTokens = make(map[string]UserToken)
// generateItchOAuthURL generates an OAuth URL for itch.io.
func generateItchOAuthURL(clientID string) string {
return fmt.Sprintf("https://itch.io/user/oauth?client_id=%s&response_type=token", clientID)
}
// redirectToItchOAuth sends the OAuth URL to the client.
func redirectToItchOAuth(conn *websocket.Conn, clientID string) {
oauthURL := generateItchOAuthURL(clientID)
err := conn.WriteMessage(websocket.TextMessage, []byte(oauthURL))
if err != nil {
log.Println(err)
}
}
// saveUserToken saves the user token in the database.
func saveUserToken(userID, token string) {
userTokens[userID] = UserToken{UserID: userID, Token: token}
}
// handler handles WebSocket connections.
func handler(w http.ResponseWriter, r *http.Request) {
func handleConnections(w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Println(err)
fmt.Println(err)
return
}
defer conn.Close()
// Example client ID. Replace with your actual client ID.
clientID := "your_client_id_here"
clients[conn] = true
// Redirect the user to the OAuth URL.
redirectToItchOAuth(conn, clientID)
// Simulate receiving the token from the client.
// In a real application, you would parse the token from the redirect URL.
userID := "example_user_id"
token := "example_token"
saveUserToken(userID, token)
// Send a confirmation message to the client.
err = conn.WriteMessage(websocket.TextMessage, []byte("Token saved successfully."))
if err != nil {
log.Println(err)
for {
_, msg, err := conn.ReadMessage()
if err != nil {
delete(clients, conn)
break
}
broadcast <- msg
}
}
func main() {
http.HandleFunc("/ws", handler)
log.Fatal(http.ListenAndServe(":8080", nil))
func handleMessages() {
for {
msg := <-broadcast
for client := range clients {
if err := client.WriteMessage(websocket.TextMessage, msg); err != nil {
client.Close()
delete(clients, client)
}
}
}
}