94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
package main
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import (
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"os"
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"time"
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"clickandjoin.app/websocketserver/modules/config"
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"clickandjoin.app/websocketserver/modules/rabbitmq"
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"clickandjoin.app/websocketserver/modules/redis"
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"clickandjoin.app/websocketserver/modules/scylladb"
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"clickandjoin.app/websocketserver/modules/structs"
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"clickandjoin.app/websocketserver/modules/utils"
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"clickandjoin.app/websocketserver/socketserver"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/websocket/v2"
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"github.com/sirupsen/logrus"
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)
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func init() {
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config.LoadConfig()
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if config.Cfg.Debug {
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logrus.SetLevel(logrus.DebugLevel)
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}
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logrus.Println("Debug:", config.Cfg.Debug)
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scylladb.InitDatabase()
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redis.Init()
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go rabbitmq.Init()
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}
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func main() {
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app := fiber.New()
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// wait so that rabbitmq can connect
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// TODO: better way to handle this
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time.Sleep(500 * time.Millisecond)
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app.Use("/", func(c *fiber.Ctx) error {
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// IsWebSocketUpgrade returns true if the client
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// requested upgrade to the WebSocket protocol.
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if websocket.IsWebSocketUpgrade(c) {
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wsSessionId := c.Query("auth")
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// no auth query available
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if len(wsSessionId) != utils.LenWebSocketSession {
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return c.SendStatus(fiber.StatusUnauthorized)
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}
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// validate ws session
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foundWsSession := structs.UserWebSocketSession{Id: wsSessionId}
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q := scylladb.Session.Query(scylladb.WebSocketSessions.Get("id", "user_id")).BindStruct(foundWsSession)
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if err := q.GetRelease(&foundWsSession); err != nil {
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logrus.Errorln("Failed to find ws session:", wsSessionId, "err:", err)
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return c.SendStatus(fiber.StatusUnauthorized)
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}
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//
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if redis.ExistsUserWebSocketSessionId(foundWsSession.UserId, wsSessionId) {
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logrus.Println("ws id already in list")
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// TODO: kick out the other connected socket with this session
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} else {
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redis.AddUserWebSocketSessionId(foundWsSession.UserId, wsSessionId)
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}
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// TODO: Further security checks such as the change of IP, user agents or whether the session ID has already opened another connection.
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c.Locals("wsSessionId", wsSessionId)
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c.Locals("userId", foundWsSession.UserId)
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return c.Next()
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}
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return fiber.ErrUpgradeRequired
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})
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go socketserver.RunHub()
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socketserver.WebSocketServer(app)
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if len(os.Args) < 2 {
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logrus.Fatalln("Please specify port")
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}
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app.Listen("127.0.0.1:" + os.Args[1])
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}
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