112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
package main
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import (
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"context"
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"errors"
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"fmt"
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"github.com/dgraph-io/badger/v4"
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"github.com/disgoorg/disgo"
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"github.com/disgoorg/disgo/discord"
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"github.com/disgoorg/disgo/rest"
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"github.com/disgoorg/disgo/webhook"
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"github.com/disgoorg/snowflake/v2"
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"grow.rievo.dev/discordBots/cmd/domaincheckbot/config"
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"grow.rievo.dev/discordBots/cmd/domaincheckbot/dns"
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"grow.rievo.dev/discordBots/cmd/domaincheckbot/repository"
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"log/slog"
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"os"
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"os/signal"
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"reflect"
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"syscall"
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"time"
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)
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var (
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webhookID = snowflake.GetEnv("webhook_id")
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webhookToken = os.Getenv("webhook_token")
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)
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var logger = slog.New(slog.NewJSONHandler(os.Stdout, nil))
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// TODO: clear db from domains removed from json
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var release string
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func main() {
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logger.Info("starting domainCheck...", slog.String("disgo version", disgo.Version))
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client := webhook.New(webhookID, webhookToken)
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defer client.Close(context.TODO())
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repo := repository.InitDb()
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defer repo.Close()
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ticker := time.NewTicker(10 * time.Minute)
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tickerGC := time.NewTicker(15 * time.Minute)
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quit := make(chan struct{})
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go func() {
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for {
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select {
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case <-ticker.C:
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for _, d := range config.Domains {
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go checkDomain(0, d, repo, client)
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}
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case <-tickerGC.C:
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err := repo.RunGC()
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if err != nil && !errors.Is(err, badger.ErrNoRewrite) {
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logger.Error("GC failed", slog.Any("error", err))
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} else {
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logger.Debug("GC successful")
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}
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case <-quit:
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ticker.Stop()
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tickerGC.Stop()
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return
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}
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}
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}()
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logger.Info("domaincheckbot is now running. Press CTRL-C to exit.", slog.String("version", release))
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s := make(chan os.Signal, 1)
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signal.Notify(s, syscall.SIGINT, syscall.SIGTERM, os.Interrupt)
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<-s
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}
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func checkDomain(counter int, d string, repo *repository.DomainRepository, client webhook.Client) {
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domain := dns.CheckDomain(d)
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retrievedDomain, _ := repo.GetValue(d)
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if reflect.DeepEqual(domain, retrievedDomain) {
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logger.Debug("domain did not change", slog.String("domain", d))
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return
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}
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logger.Info("domain changed changed", slog.String("domain", d))
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counter += 1
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if counter >= 2 {
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go sendWebhook(client, domain, retrievedDomain)
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repo.SetValue(domain)
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return
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}
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time.Sleep(1 * time.Minute)
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checkDomain(counter, d, repo, client)
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}
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func sendWebhook(client webhook.Client, domain repository.Domain, oldDomain repository.Domain) {
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var status string
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status = fmt.Sprintf("```md\n# %v", domain.Name)
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status = fmt.Sprintf("%v\n - %v", status, oldDomain.NS)
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status = fmt.Sprintf("%v\n + %v", status, domain.NS)
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status = fmt.Sprintf("%v```\n", status)
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if _, err := client.CreateMessage(discord.NewWebhookMessageCreateBuilder().
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SetContent(status).Build(),
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rest.WithDelay(2*time.Second),
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); err != nil {
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logger.Error("sending message failed", slog.Any("error", err))
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}
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}
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