mastodon-group-bot/bot.go

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package main
import (
"context"
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"crypto/sha512"
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"fmt"
"regexp"
"strings"
"github.com/mattn/go-mastodon"
)
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var (
c = mastodon.NewClient(&mastodon.Config{
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Server: Conf.Server,
ClientID: Conf.ClientID,
ClientSecret: Conf.ClientSecret,
AccessToken: Conf.AccessToken,
})
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ctx = context.Background()
my_account, _ = c.GetAccountCurrentUser(ctx)
)
func RunBot() {
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events, err := c.StreamingUser(ctx)
if err != nil {
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ErrorLogger.Println("Streaming")
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}
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followers, err := c.GetAccountFollowers(ctx, my_account.ID, &mastodon.Pagination{Limit: 60})
if err != nil {
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ErrorLogger.Println("Fetch followers")
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}
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// Run bot
for {
notifEvent, ok := (<-events).(*mastodon.NotificationEvent)
if !ok {
continue
}
notif := notifEvent.Notification
// New follower
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if notif.Type == "follow" {
acct := notif.Status.Account.Acct
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if !exist_in_database(acct) { // Add to db and post welcome message
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InfoLogger.Printf("%s followed", acct)
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add_to_db(acct)
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InfoLogger.Printf("%s added to database", acct)
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message := fmt.Sprintf("%s @%s", Conf.WelcomeMessage, acct)
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_, err := postToot(message, "public")
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if err != nil {
ErrorLogger.Println("Post welcome message")
}
InfoLogger.Printf("%s was welcomed", acct)
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}
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}
// Read message
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if notif.Type == "mention" {
acct := notif.Status.Account.Acct
content := notif.Status.Content
tooturl := notif.Status.URL
for i := range followers {
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if acct == string(followers[i].Acct) { // Follow check
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if notif.Status.Visibility == "public" { // Reblog toot
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if notif.Status.InReplyToID == nil { // Not boost replies
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// Duplicate protection
content_hash := sha512.New()
content_hash.Write([]byte(content))
hash := fmt.Sprintf("%x", content_hash.Sum(nil))
if !check_msg_hash(hash) {
save_msg_hash(hash)
InfoLogger.Printf("Hash of %s added to database", tooturl)
} else {
WarnLogger.Printf("%s is a duplicate and not boosted", tooturl)
break
}
// Add to db if needed
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if !exist_in_database(acct) {
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add_to_db(acct)
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InfoLogger.Printf("%s added to database", acct)
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}
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// Message order
if check_order(acct) < Conf.Order_limit {
if check_ticket(acct) > 0 { // Message limit
take_ticket(acct)
InfoLogger.Printf("Ticket of %s was taken", acct)
count_order(acct)
InfoLogger.Printf("Order of %s was counted", acct)
c.Reblog(ctx, notif.Status.ID)
InfoLogger.Printf("Toot %s of %s was rebloged", tooturl, acct)
} else {
WarnLogger.Printf("%s haven't tickets", acct)
}
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} else {
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WarnLogger.Printf("%s order limit", acct)
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}
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} else {
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WarnLogger.Printf("%s is reply and not boosted", tooturl)
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}
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} else if notif.Status.Visibility == "direct" { // Admin commands
for y := 0; y < len(Conf.Admins); y++ {
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if acct == Conf.Admins[y] {
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recmd := regexp.MustCompile(`<[^>]+>`)
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command := recmd.ReplaceAllString(content, "")
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args := strings.Split(command, " ")
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if len(args) == 3 {
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mID := mastodon.ID((args[2]))
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switch args[1] {
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case "unboost":
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c.Unreblog(ctx, mID)
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WarnLogger.Printf("%s was unrebloged", mID)
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case "delete":
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c.DeleteStatus(ctx, mID)
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WarnLogger.Printf("%s was deleted", mID)
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}
}
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} else {
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continue
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}
}
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} else {
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WarnLogger.Printf("%s is not public toot and not boosted", tooturl)
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break
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}
}
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if i == len(followers)-1 { // Notify user
if got_notice(acct) == 0 {
if !exist_in_database(acct) {
add_to_db(acct)
InfoLogger.Printf("%s added to database", acct)
}
message := fmt.Sprintf("@%s %s", acct, Conf.NotFollowedMessage)
_, err := postToot(message, "direct")
if err != nil {
ErrorLogger.Printf("Notify %s", acct)
}
InfoLogger.Printf("%s has been notified", acct)
mark_notice(acct)
InfoLogger.Printf("%s marked notification in database", acct)
}
}
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}
}
}
}