0c34b6e781
- Remove CAS, as it no longer works for us - Remove other checks - Implement 15 minute greet timeout check - Fix chat logos - Ditch thirdparty logger, use stdlib log facility wrapper for logging
125 lines
2.8 KiB
Go
125 lines
2.8 KiB
Go
package moon
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import (
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"bunny-bot/internal/mylog"
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"fmt"
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"time"
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"github.com/NicoNex/echotron/v3"
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)
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// squash bans the given chat member and reports what it actually did.
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//
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// The three outcomes are deliberately distinct. A debounced call is not a
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// failure: the user is already banned, which is the outcome we wanted, and the
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// caller must not report it as an error.
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//
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// The user and chat come from the join event that triggered the judgement
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// rather than from a cache. That event already carries both in full, so a cache
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// would only ever be a second, staler copy of data we are holding — and a miss
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// in it would produce a ban logged with blank names.
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func squash(chat *echotron.Chat, user *echotron.User) banOutcome {
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// A chat or user with no id is an entity we cannot address, not a ban that
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// failed. In production the ingress has already refused such an update, so
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// reaching here means a caller handed us one directly; the guard is the
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// nil-safety that keeps that from becoming a call against chat 0.
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if !usableChat(chat) {
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return banFailed
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}
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if !usableUser(user) {
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return banFailed
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}
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// Telegram treats any ban shorter than 30 seconds (and longer than 1 year)
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// as permanent, so this deliberately short offset produces a permanent ban.
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// Do not "fix" it into a longer duration.
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banUntilDate := time.Now().Unix() + 10
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chatid, userid := chat.ID, user.ID
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key := fmt.Sprintf("%d+%d", chatid, userid)
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if _, exist := SquashedMembers.Get(key); exist {
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mylog.Infof(
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"Skip banning user %s %s (username = %s, id = %d) in %s %s (%d), already banned",
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user.FirstName,
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user.LastName,
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user.Username,
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user.ID,
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chat.Type,
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chat.Title,
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chat.ID,
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)
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return banSuppressed
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}
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res, err := Tg.BanChatMember(
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chatid,
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userid,
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&echotron.BanOptions{
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UntilDate: int(banUntilDate),
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},
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)
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if err != nil {
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mylog.Errorf(
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"Unable to ban user user %s %s (username = %s, id = %d) in %s %s (%d): %s",
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user.FirstName,
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user.LastName,
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user.Username,
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user.ID,
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chat.Type,
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chat.Title,
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chat.ID,
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err,
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)
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return banFailed
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}
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if !res.Ok {
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mylog.Errorf(
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"Unable to ban user %s %s (username = %s, id = %d) in %s %s (%d): %s",
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user.FirstName,
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user.LastName,
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user.Username,
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user.ID,
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chat.Type,
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chat.Title,
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chat.ID,
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res.Description,
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)
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return banFailed
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}
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mylog.Debugf(
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"Banned user %s %s (username = %s, id = %d) in %s %s (%d).",
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user.FirstName,
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user.LastName,
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user.Username,
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user.ID,
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chat.Type,
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chat.Title,
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chat.ID,
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)
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mylog.Debugf(
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"Put user %s %s (username = %s, id = %d) in %s %s (%d) into SquashedMembers to debounce ban.",
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user.FirstName,
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user.LastName,
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user.Username,
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user.ID,
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chat.Type,
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chat.Title,
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chat.ID,
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)
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SquashedMembers.Set(key, true, 30*time.Second)
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return banApplied
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}
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/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */
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