mastodon-group-bot/bot.go

206 lines
5.5 KiB
Go

package main
import (
"context"
"crypto/sha512"
"fmt"
"regexp"
"strings"
"net/http"
"encoding/json"
"github.com/mattn/go-mastodon"
)
var (
c = mastodon.NewClient(&mastodon.Config{
Server: Conf.Server,
ClientID: Conf.ClientID,
ClientSecret: Conf.ClientSecret,
AccessToken: Conf.AccessToken,
})
ctx = context.Background()
my_account, _ = c.GetAccountCurrentUser(ctx)
)
type APobject struct {
InReplyTo *string `json:"inReplyTo"`
}
func RunBot() {
events, err := c.StreamingUser(ctx)
if err != nil {
ErrorLogger.Println("Streaming")
}
// Run bot
for {
notifEvent, ok := (<-events).(*mastodon.NotificationEvent)
if !ok {
continue
}
notif := notifEvent.Notification
client := &http.Client{}
// New follower
if notif.Type == "follow" {
acct := notif.Account.Acct
if !exist_in_database(acct) { // Add to db and post welcome message
InfoLogger.Printf("%s followed", acct)
add_to_db(acct)
InfoLogger.Printf("%s added to database", acct)
message := fmt.Sprintf("%s @%s", Conf.WelcomeMessage, acct)
_, err := postToot(message, "public")
if err != nil {
ErrorLogger.Println("Post welcome message")
}
InfoLogger.Printf("%s was welcomed", acct)
}
}
// Read message
if notif.Type == "mention" {
var account_id = []string{string(notif.Status.Account.ID)}
acct := notif.Status.Account.Acct
content := notif.Status.Content
tooturl := notif.Status.URL
// Fetch relationship
relationship, err := c.GetAccountRelationships(ctx, account_id)
if err != nil {
ErrorLogger.Println("Fetch relationship")
}
// Follow check
if relationship[0].FollowedBy {
if notif.Status.Visibility == "public" { // Reblog toot
if notif.Status.InReplyToID == nil {
// Replies protection by get ActivityPub object
// (if breaking threads)
var apobj APobject
req, err := http.NewRequest(http.MethodGet, tooturl, nil)
if err != nil {
ErrorLogger.Println("Failed http request status AP")
}
req.Header.Set("Accept", "application/activity+json")
resp, err := client.Do(req)
if err != nil {
ErrorLogger.Println("get AP object")
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
ErrorLogger.Println("Failed AP object")
}
InfoLogger.Println(resp.Body)
err = json.NewDecoder(resp.Body).Decode(&apobj)
if err != nil {
ErrorLogger.Println("Failed decoding AP object")
}
if &apobj.InReplyTo != nil {
InfoLogger.Println("AP object of status detected reply")
notif.Status.InReplyToID = &apobj.InReplyTo
}
}
if notif.Status.InReplyToID == nil { // Not boost replies
// 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)
}
// Add to db if needed
if !exist_in_database(acct) {
add_to_db(acct)
InfoLogger.Printf("%s added to database", acct)
}
// 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)
}
} else {
WarnLogger.Printf("%s order limit", acct)
}
} else {
WarnLogger.Printf("%s is reply and not boosted", tooturl)
}
} else if notif.Status.Visibility == "direct" { // Admin commands
for y := range Conf.Admins {
if acct == Conf.Admins[y] {
recmd := regexp.MustCompile(`<[^>]+>`)
command := recmd.ReplaceAllString(content, "")
args := strings.Split(command, " ")
if len(args) == 3 {
mID := mastodon.ID((args[2]))
switch args[1] {
case "unboost":
c.Unreblog(ctx, mID)
WarnLogger.Printf("%s was unrebloged", mID)
case "delete":
c.DeleteStatus(ctx, mID)
WarnLogger.Printf("%s was deleted", mID)
default:
WarnLogger.Printf("%s entered wrong command", acct)
}
} else {
WarnLogger.Printf("%s entered wrong command", acct)
}
}
}
} else {
WarnLogger.Printf("%s is not public toot and not boosted", tooturl)
}
} else { // Notify user
if got_notice(acct) == 0 {
if !exist_in_database(acct) {
add_to_db(acct)
InfoLogger.Printf("%s added to database", acct)
}
if notif.Status.InReplyToID == nil { // Prevent spam in DM if status is reply
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)
if got_notice(acct) == 0 {
InfoLogger.Printf("Dooble notice marked")
mark_notice(acct)
}
InfoLogger.Printf("%s marked notification in database", acct)
} else {
InfoLogger.Printf("%s their status is reply, not notified", acct)
}
}
}
}
}
}