98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
// Fantasy World Zookeeper Bot
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// Copyright (c) 2018 Vladimir "fat0troll" Hodakov
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package telegram
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import (
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"encoding/json"
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http "github.com/valyala/fasthttp"
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"gitlab.com/toby3d/telegram"
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"golang.org/x/net/proxy"
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"source.hodakov.me/fat0troll/fwzookeeper/internal/router"
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"net"
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)
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func proxyDialer(addr string) (net.Conn, error) {
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log.Debug().Msgf("Proxy used: %s", c.Config.Telegram.Proxy.Address)
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proxyAuth := proxy.Auth{}
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if c.Config.Telegram.Proxy.Username != "" {
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proxyAuth.User = c.Config.Telegram.Proxy.Username
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proxyAuth.Password = c.Config.Telegram.Proxy.Password
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}
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var dialProxy proxy.Dialer
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var err error
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dialProxy, err = proxy.SOCKS5("tcp", c.Config.Telegram.Proxy.Address, &proxyAuth, proxy.Direct)
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if err != nil {
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log.Fatal().Err(err).Msg("Failed to dial proxy")
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}
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return dialProxy.Dial("tcp", addr)
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}
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// Bot returns Telegram instance
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func Bot() *telegram.Bot {
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return bot
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}
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// StartBot starts connection with Telegram
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func StartBot() {
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// Any errors here considered fatal, because main purpose of this app is Telegram interactions
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var err error
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var updates telegram.UpdatesChannel
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if c.Config.Telegram.Proxy.Enabled {
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bot = new(telegram.Bot)
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client := new(http.Client)
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client.Dial = proxyDialer
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bot.SetClient(client)
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bot.AccessToken = c.Config.Telegram.Token
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bot.User, err = bot.GetMe()
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} else {
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bot, err = telegram.New(c.Config.Telegram.Token)
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}
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if err != nil {
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log.Fatal().Err(err)
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}
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if c.Config.Telegram.Webhook.Enabled {
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var url http.URI
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url.Parse(nil, []byte("https://"+c.Config.Telegram.Webhook.Domain))
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if len(url.Host()) == 0 {
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log.Fatal().Msg("Can't parse webhook URL: got empty host")
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}
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log.Info().Msg("Trying to set webhook: " + url.String() + bot.AccessToken)
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webhook := telegram.NewWebhook(url.String()+bot.AccessToken, nil)
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webhook.MaxConnections = 40
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updates = bot.NewWebhookChannel(&url, webhook, "", "", c.Config.Telegram.Webhook.Listen)
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} else {
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log.Warn().Msg("Using long-polling for updates (not recommended)")
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var info *telegram.WebhookInfo
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info, err = bot.GetWebhookInfo()
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if err != nil {
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log.Fatal().Err(err)
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}
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if info != nil && info.URL != "" {
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log.Info().Msg("Deleting old webhook...")
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_, err := bot.DeleteWebhook()
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if err != nil {
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log.Fatal().Err(err)
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}
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}
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updatesParams := telegram.GetUpdatesParameters{
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Offset: 0,
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Limit: 100,
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Timeout: 60,
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}
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updates = bot.NewLongPollingChannel(&updatesParams)
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}
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log.Info().Msg("Connection with Telegram established")
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for update := range updates {
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updateText, _ := json.Marshal(update)
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log.Debug().Msgf("%s", string(updateText))
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go router.Respond(update)
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}
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}
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