From f9fb33e6964d9230961300245c516a3abd39a539 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Fri, 7 Dec 2018 23:48:24 +0100
Subject: Refactor steam bridge (#630)

* split up in different files
* decrease complexity
---
 bridge/steam/handlers.go | 126 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 126 insertions(+)
 create mode 100644 bridge/steam/handlers.go

(limited to 'bridge/steam/handlers.go')

diff --git a/bridge/steam/handlers.go b/bridge/steam/handlers.go
new file mode 100644
index 00000000..a591281e
--- /dev/null
+++ b/bridge/steam/handlers.go
@@ -0,0 +1,126 @@
+package bsteam
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/42wim/matterbridge/bridge/config"
+	"github.com/Philipp15b/go-steam"
+	"github.com/Philipp15b/go-steam/protocol/steamlang"
+)
+
+func (b *Bsteam) handleChatMsg(e *steam.ChatMsgEvent) {
+	b.Log.Debugf("Receiving ChatMsgEvent: %#v", e)
+	b.Log.Debugf("<= Sending message from %s on %s to gateway", b.getNick(e.ChatterId), b.Account)
+	var channel int64
+	if e.ChatRoomId == 0 {
+		channel = int64(e.ChatterId)
+	} else {
+		// for some reason we have to remove 0x18000000000000
+		// TODO
+		// https://github.com/42wim/matterbridge/pull/630#discussion_r238102751
+		// channel = int64(e.ChatRoomId) & 0xfffffffffffff
+		channel = int64(e.ChatRoomId) - 0x18000000000000
+	}
+	msg := config.Message{
+		Username: b.getNick(e.ChatterId),
+		Text:     e.Message,
+		Channel:  strconv.FormatInt(channel, 10),
+		Account:  b.Account,
+		UserID:   strconv.FormatInt(int64(e.ChatterId), 10),
+	}
+	b.Remote <- msg
+}
+
+func (b *Bsteam) handleEvents() {
+	myLoginInfo := &steam.LogOnDetails{
+		Username: b.GetString("Login"),
+		Password: b.GetString("Password"),
+		AuthCode: b.GetString("AuthCode"),
+	}
+	// TODO Attempt to read existing auth hash to avoid steam guard.
+	// Maybe works
+	//myLoginInfo.SentryFileHash, _ = ioutil.ReadFile("sentry")
+	for event := range b.c.Events() {
+		switch e := event.(type) {
+		case *steam.ChatMsgEvent:
+			b.handleChatMsg(e)
+		case *steam.PersonaStateEvent:
+			b.Log.Debugf("PersonaStateEvent: %#v\n", e)
+			b.Lock()
+			b.userMap[e.FriendId] = e.Name
+			b.Unlock()
+		case *steam.ConnectedEvent:
+			b.c.Auth.LogOn(myLoginInfo)
+		case *steam.MachineAuthUpdateEvent:
+		// TODO sentry files for 2 auth
+		/*
+			b.Log.Info("authupdate", e)
+			b.Log.Info("hash", e.Hash)
+			ioutil.WriteFile("sentry", e.Hash, 0666)
+		*/
+		case *steam.LogOnFailedEvent:
+			b.Log.Info("Logon failed", e)
+			err := b.handleLogOnFailed(e, myLoginInfo)
+			if err != nil {
+				b.Log.Error(err)
+				return
+			}
+		case *steam.LoggedOnEvent:
+			b.Log.Debugf("LoggedOnEvent: %#v", e)
+			b.connected <- struct{}{}
+			b.Log.Debugf("setting online")
+			b.c.Social.SetPersonaState(steamlang.EPersonaState_Online)
+		case *steam.DisconnectedEvent:
+			b.Log.Info("Disconnected")
+			b.Log.Info("Attempting to reconnect...")
+			b.c.Connect()
+		case steam.FatalErrorEvent:
+			b.Log.Errorf("steam FatalErrorEvent: %#v", e)
+		default:
+			b.Log.Debugf("unknown event %#v", e)
+		}
+	}
+}
+
+func (b *Bsteam) handleLogOnFailed(e *steam.LogOnFailedEvent, myLoginInfo *steam.LogOnDetails) error {
+	switch e.Result {
+	case steamlang.EResult_AccountLogonDeniedNeedTwoFactorCode:
+		b.Log.Info("Steam guard isn't letting me in! Enter 2FA code:")
+		var code string
+		fmt.Scanf("%s", &code)
+		// TODO https://github.com/42wim/matterbridge/pull/630#discussion_r238103978
+		myLoginInfo.TwoFactorCode = code
+	case steamlang.EResult_AccountLogonDenied:
+		b.Log.Info("Steam guard isn't letting me in! Enter auth code:")
+		var code string
+		fmt.Scanf("%s", &code)
+		// TODO https://github.com/42wim/matterbridge/pull/630#discussion_r238103978
+		myLoginInfo.AuthCode = code
+	case steamlang.EResult_InvalidLoginAuthCode:
+		return fmt.Errorf("Steam guard: invalid login auth code: %#v ", e.Result)
+	default:
+		return fmt.Errorf("LogOnFailedEvent: %#v ", e.Result)
+		// TODO: Handle EResult_InvalidLoginAuthCode
+	}
+	return nil
+}
+
+// handleFileInfo handles config.FileInfo and adds correct file comment or URL to msg.Text.
+// Returns error if cast fails.
+func (b *Bsteam) handleFileInfo(msg *config.Message, f interface{}) error {
+	if _, ok := f.(config.FileInfo); !ok {
+		return fmt.Errorf("handleFileInfo cast failed %#v", f)
+	}
+	fi := f.(config.FileInfo)
+	if fi.Comment != "" {
+		msg.Text += fi.Comment + ": "
+	}
+	if fi.URL != "" {
+		msg.Text = fi.URL
+		if fi.Comment != "" {
+			msg.Text = fi.Comment + ": " + fi.URL
+		}
+	}
+	return nil
+}
-- 
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