Implement ban by software version xep-0092
This commit is contained in:
eleksir
@@ -1,6 +1,7 @@
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package jabber
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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@@ -54,6 +55,21 @@ func (j *Jabber) BunyPresense(v xmpp.Presence) error { //nolint:gocognit,gocyclo
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}
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}
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id, err := j.QuerySoftwareVersion(v.From)
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if err != nil {
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err := fmt.Errorf(
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"unable to query user software and version: jid=%s id=%s, err=%w",
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v.JID,
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id,
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err,
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)
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j.GTomb.Kill(err)
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return err
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}
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evilJid := strings.SplitN(v.JID, "/", 2)[0]
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evilNick := ""
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evilNicks := strings.SplitN(v.From, "/", 2)
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@@ -380,4 +396,208 @@ func (j *Jabber) BunyChat(v xmpp.Chat) error {
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return err
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}
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// BunySoftwareVersion производит проверку по чёрному списку версий и названий клинтского ПО.
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func (j *Jabber) BunySoftwareVersion(v xmpp.IQ, ver IqResultSoftwareVersion) error {
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var err error
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if v.From != "" {
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// На всякий случай: себя никогда не баним, явным образом
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if v.From == j.Talk.JID() {
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return err
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}
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room := strings.SplitN(v.From, "/", 2)[0]
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var (
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presenceJSONStrings []string
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)
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if presenceJSONInterface, present := j.RoomPresences.Get(room); present {
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presenceJSONStrings = InterfaceToStringSlice(presenceJSONInterface)
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}
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log.Debugf("Looking up %s in presence db", v.From)
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for _, presenceJSONString := range presenceJSONStrings {
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var p xmpp.Presence
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_ = json.Unmarshal([]byte(presenceJSONString), &p)
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if p.Affiliation == "admin" || p.Affiliation == "owner" {
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log.Infof("Skipping useragent blacklist check for %s because his affiliation is %s", v.From, p.Affiliation)
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continue
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}
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// На всякий случай.
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if p.Role == "moderator" {
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log.Infof("Skipping useragent blacklist check for %s because his role is %s", v.From, p.Role)
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continue
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}
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if v.From == p.From {
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log.Errorf("Found jid of %s in presence db: %s", v.From, p.JID)
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// Lookup in global blacklist.
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for _, cRoom := range j.RoomsConnected {
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if cRoom == room {
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for _, bEntry := range j.BlackList.Blacklist {
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// Обработаем правила глобального чёрного списка
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if bEntry.RoomName == "" {
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for _, useragent := range bEntry.UserAgent {
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switch {
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case useragent.Name != "" && useragent.Version != "" && useragent.Os != "":
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if ver.Name == useragent.Name && ver.Version == useragent.Version && ver.Os == useragent.Os {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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case useragent.Name != "" && useragent.Version != "":
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if ver.Name == useragent.Name && ver.Version == useragent.Version {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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case useragent.Name != "":
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if ver.Name == useragent.Name {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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case useragent.Version != "":
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if ver.Version == useragent.Version {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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}
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}
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}
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if bEntry.RoomName == room {
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for _, useragent := range bEntry.UserAgent {
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switch {
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case useragent.Name != "" && useragent.Version != "" && useragent.Os != "":
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if ver.Name == useragent.Name && ver.Version == useragent.Version && ver.Os == useragent.Os {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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case useragent.Name != "" && useragent.Version != "":
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if ver.Name == useragent.Name && ver.Version == useragent.Version {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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case useragent.Name != "":
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if ver.Name == useragent.Name {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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case useragent.Version != "":
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if ver.Version == useragent.Version {
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id, err := j.Squash(room, p.JID, bEntry.ReasonEnable, v.Type)
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if err != nil {
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err := fmt.Errorf(
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"unable to ban user: id=%s, err=%w",
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id,
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err,
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)
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j.GTomb.Kill(err)
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}
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return err
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}
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}
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}
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}
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}
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}
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}
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}
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}
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}
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return err
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}
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/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */
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