matrix-pretix/vendor/maunium.net/go/mautrix/appservice/intent.go

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2022-07-25 02:32:08 +02:00
// Copyright (c) 2020 Tulir Asokan
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package appservice
import (
"encoding/json"
"errors"
"fmt"
"strings"
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/id"
)
type IntentAPI struct {
*mautrix.Client
bot *mautrix.Client
as *AppService
Localpart string
UserID id.UserID
IsCustomPuppet bool
}
func (as *AppService) NewIntentAPI(localpart string) *IntentAPI {
userID := id.NewUserID(localpart, as.HomeserverDomain)
bot := as.BotClient()
if userID == bot.UserID {
bot = nil
}
return &IntentAPI{
Client: as.Client(userID),
bot: bot,
as: as,
Localpart: localpart,
UserID: userID,
IsCustomPuppet: false,
}
}
func (intent *IntentAPI) Register() error {
_, _, err := intent.Client.Register(&mautrix.ReqRegister{
Username: intent.Localpart,
Type: mautrix.AuthTypeAppservice,
InhibitLogin: true,
})
return err
}
func (intent *IntentAPI) EnsureRegistered() error {
if intent.IsCustomPuppet || intent.as.StateStore.IsRegistered(intent.UserID) {
return nil
}
err := intent.Register()
if err != nil && !errors.Is(err, mautrix.MUserInUse) {
return fmt.Errorf("failed to ensure registered: %w", err)
}
intent.as.StateStore.MarkRegistered(intent.UserID)
return nil
}
type EnsureJoinedParams struct {
IgnoreCache bool
BotOverride *mautrix.Client
}
func (intent *IntentAPI) EnsureJoined(roomID id.RoomID, extra ...EnsureJoinedParams) error {
var params EnsureJoinedParams
if len(extra) > 1 {
panic("invalid number of extra parameters")
} else if len(extra) == 1 {
params = extra[0]
}
if intent.as.StateStore.IsInRoom(roomID, intent.UserID) && !params.IgnoreCache {
return nil
}
if err := intent.EnsureRegistered(); err != nil {
return fmt.Errorf("failed to ensure joined: %w", err)
}
resp, err := intent.JoinRoomByID(roomID)
if err != nil {
bot := intent.bot
if params.BotOverride != nil {
bot = params.BotOverride
}
if !errors.Is(err, mautrix.MForbidden) || bot == nil {
return fmt.Errorf("failed to ensure joined: %w", err)
}
_, inviteErr := bot.InviteUser(roomID, &mautrix.ReqInviteUser{
UserID: intent.UserID,
})
if inviteErr != nil {
return fmt.Errorf("failed to invite in ensure joined: %w", inviteErr)
}
resp, err = intent.JoinRoomByID(roomID)
if err != nil {
return fmt.Errorf("failed to ensure joined after invite: %w", err)
}
}
intent.as.StateStore.SetMembership(resp.RoomID, intent.UserID, event.MembershipJoin)
return nil
}
func (intent *IntentAPI) SendMessageEvent(roomID id.RoomID, eventType event.Type, contentJSON interface{}) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.SendMessageEvent(roomID, eventType, contentJSON)
}
func (intent *IntentAPI) SendMassagedMessageEvent(roomID id.RoomID, eventType event.Type, contentJSON interface{}, ts int64) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.SendMessageEvent(roomID, eventType, contentJSON, mautrix.ReqSendEvent{Timestamp: ts})
}
func (intent *IntentAPI) updateStoreWithOutgoingEvent(roomID id.RoomID, eventType event.Type, stateKey string, contentJSON interface{}, eventID id.EventID) {
fakeEvt := &event.Event{
StateKey: &stateKey,
Sender: intent.UserID,
Type: eventType,
ID: eventID,
RoomID: roomID,
Content: event.Content{},
}
var err error
fakeEvt.Content.VeryRaw, err = json.Marshal(contentJSON)
if err != nil {
intent.Logger.Debugfln("Failed to marshal state event content to update state store: %v", err)
return
}
err = json.Unmarshal(fakeEvt.Content.VeryRaw, &fakeEvt.Content.Raw)
if err != nil {
intent.Logger.Debugfln("Failed to unmarshal state event content to update state store: %v", err)
return
}
err = fakeEvt.Content.ParseRaw(fakeEvt.Type)
if err != nil {
intent.Logger.Debugfln("Failed to parse state event content to update state store: %v", err)
return
}
intent.as.UpdateState(fakeEvt)
}
func (intent *IntentAPI) SendStateEvent(roomID id.RoomID, eventType event.Type, stateKey string, contentJSON interface{}) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
resp, err := intent.Client.SendStateEvent(roomID, eventType, stateKey, contentJSON)
if err == nil && resp != nil {
intent.updateStoreWithOutgoingEvent(roomID, eventType, stateKey, contentJSON, resp.EventID)
}
return resp, err
}
func (intent *IntentAPI) SendMassagedStateEvent(roomID id.RoomID, eventType event.Type, stateKey string, contentJSON interface{}, ts int64) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
resp, err := intent.Client.SendMassagedStateEvent(roomID, eventType, stateKey, contentJSON, ts)
if err == nil && resp != nil {
intent.updateStoreWithOutgoingEvent(roomID, eventType, stateKey, contentJSON, resp.EventID)
}
return resp, err
}
func (intent *IntentAPI) StateEvent(roomID id.RoomID, eventType event.Type, stateKey string, outContent interface{}) error {
if err := intent.EnsureJoined(roomID); err != nil {
return err
}
err := intent.Client.StateEvent(roomID, eventType, stateKey, outContent)
if err == nil {
intent.updateStoreWithOutgoingEvent(roomID, eventType, stateKey, outContent, "")
}
return err
}
func (intent *IntentAPI) State(roomID id.RoomID) (mautrix.RoomStateMap, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
state, err := intent.Client.State(roomID)
if err == nil {
for _, events := range state {
for _, evt := range events {
intent.as.UpdateState(evt)
}
}
}
return state, err
}
func (intent *IntentAPI) InviteUser(roomID id.RoomID, req *mautrix.ReqInviteUser) (resp *mautrix.RespInviteUser, err error) {
resp, err = intent.Client.InviteUser(roomID, req)
if err == nil {
intent.as.StateStore.SetMembership(roomID, req.UserID, event.MembershipInvite)
}
return
}
func (intent *IntentAPI) KickUser(roomID id.RoomID, req *mautrix.ReqKickUser) (resp *mautrix.RespKickUser, err error) {
resp, err = intent.Client.KickUser(roomID, req)
if err == nil {
intent.as.StateStore.SetMembership(roomID, req.UserID, event.MembershipLeave)
}
return
}
func (intent *IntentAPI) BanUser(roomID id.RoomID, req *mautrix.ReqBanUser) (resp *mautrix.RespBanUser, err error) {
resp, err = intent.Client.BanUser(roomID, req)
if err == nil {
intent.as.StateStore.SetMembership(roomID, req.UserID, event.MembershipBan)
}
return
}
func (intent *IntentAPI) UnbanUser(roomID id.RoomID, req *mautrix.ReqUnbanUser) (resp *mautrix.RespUnbanUser, err error) {
resp, err = intent.Client.UnbanUser(roomID, req)
if err == nil {
intent.as.StateStore.SetMembership(roomID, req.UserID, event.MembershipLeave)
}
return
}
func (intent *IntentAPI) Member(roomID id.RoomID, userID id.UserID) *event.MemberEventContent {
member, ok := intent.as.StateStore.TryGetMember(roomID, userID)
if !ok {
_ = intent.StateEvent(roomID, event.StateMember, string(userID), &member)
intent.as.StateStore.SetMember(roomID, userID, member)
}
return member
}
func (intent *IntentAPI) PowerLevels(roomID id.RoomID) (pl *event.PowerLevelsEventContent, err error) {
pl = intent.as.StateStore.GetPowerLevels(roomID)
if pl == nil {
pl = &event.PowerLevelsEventContent{}
err = intent.StateEvent(roomID, event.StatePowerLevels, "", pl)
if err == nil {
intent.as.StateStore.SetPowerLevels(roomID, pl)
}
}
return
}
func (intent *IntentAPI) SetPowerLevels(roomID id.RoomID, levels *event.PowerLevelsEventContent) (resp *mautrix.RespSendEvent, err error) {
resp, err = intent.SendStateEvent(roomID, event.StatePowerLevels, "", &levels)
if err == nil {
intent.as.StateStore.SetPowerLevels(roomID, levels)
}
return
}
func (intent *IntentAPI) SetPowerLevel(roomID id.RoomID, userID id.UserID, level int) (*mautrix.RespSendEvent, error) {
pl, err := intent.PowerLevels(roomID)
if err != nil {
return nil, err
}
if pl.GetUserLevel(userID) != level {
pl.SetUserLevel(userID, level)
return intent.SendStateEvent(roomID, event.StatePowerLevels, "", &pl)
}
return nil, nil
}
func (intent *IntentAPI) UserTyping(roomID id.RoomID, typing bool, timeout int64) (resp *mautrix.RespTyping, err error) {
if intent.as.StateStore.IsTyping(roomID, intent.UserID) == typing {
return
}
resp, err = intent.Client.UserTyping(roomID, typing, timeout)
if err != nil {
return
}
if !typing {
timeout = -1
}
intent.as.StateStore.SetTyping(roomID, intent.UserID, timeout)
return
}
func (intent *IntentAPI) SendText(roomID id.RoomID, text string) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.SendText(roomID, text)
}
// Deprecated: This does not allow setting image metadata, you should prefer SendMessageEvent with a properly filled &event.MessageEventContent
func (intent *IntentAPI) SendImage(roomID id.RoomID, body string, url id.ContentURI) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.SendImage(roomID, body, url)
}
// Deprecated: This does not allow setting video metadata, you should prefer SendMessageEvent with a properly filled &event.MessageEventContent
func (intent *IntentAPI) SendVideo(roomID id.RoomID, body string, url id.ContentURI) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.SendVideo(roomID, body, url)
}
func (intent *IntentAPI) SendNotice(roomID id.RoomID, text string) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.SendNotice(roomID, text)
}
func (intent *IntentAPI) RedactEvent(roomID id.RoomID, eventID id.EventID, req ...mautrix.ReqRedact) (*mautrix.RespSendEvent, error) {
if err := intent.EnsureJoined(roomID); err != nil {
return nil, err
}
return intent.Client.RedactEvent(roomID, eventID, req...)
}
func (intent *IntentAPI) SetRoomName(roomID id.RoomID, roomName string) (*mautrix.RespSendEvent, error) {
return intent.SendStateEvent(roomID, event.StateRoomName, "", map[string]interface{}{
"name": roomName,
})
}
func (intent *IntentAPI) SetRoomAvatar(roomID id.RoomID, avatarURL id.ContentURI) (*mautrix.RespSendEvent, error) {
return intent.SendStateEvent(roomID, event.StateRoomAvatar, "", map[string]interface{}{
"url": avatarURL.String(),
})
}
func (intent *IntentAPI) SetRoomTopic(roomID id.RoomID, topic string) (*mautrix.RespSendEvent, error) {
return intent.SendStateEvent(roomID, event.StateTopic, "", map[string]interface{}{
"topic": topic,
})
}
func (intent *IntentAPI) SetDisplayName(displayName string) error {
if err := intent.EnsureRegistered(); err != nil {
return err
}
resp, err := intent.Client.GetOwnDisplayName()
if err != nil {
return fmt.Errorf("failed to check current displayname: %w", err)
} else if resp.DisplayName == displayName {
// No need to update
return nil
}
return intent.Client.SetDisplayName(displayName)
}
func (intent *IntentAPI) SetAvatarURL(avatarURL id.ContentURI) error {
if err := intent.EnsureRegistered(); err != nil {
return err
}
resp, err := intent.Client.GetOwnAvatarURL()
if err != nil {
return fmt.Errorf("failed to check current avatar URL: %w", err)
} else if resp.FileID == avatarURL.FileID && resp.Homeserver == avatarURL.Homeserver {
// No need to update
return nil
}
return intent.Client.SetAvatarURL(avatarURL)
}
func (intent *IntentAPI) Whoami() (*mautrix.RespWhoami, error) {
if err := intent.EnsureRegistered(); err != nil {
return nil, err
}
return intent.Client.Whoami()
}
func (intent *IntentAPI) JoinedMembers(roomID id.RoomID) (resp *mautrix.RespJoinedMembers, err error) {
resp, err = intent.Client.JoinedMembers(roomID)
if err != nil {
return
}
for userID, member := range resp.Joined {
var displayname string
var avatarURL id.ContentURIString
if member.DisplayName != nil {
displayname = *member.DisplayName
}
if member.AvatarURL != nil {
avatarURL = id.ContentURIString(*member.AvatarURL)
}
intent.as.StateStore.SetMember(roomID, userID, &event.MemberEventContent{
Membership: event.MembershipJoin,
AvatarURL: avatarURL,
Displayname: displayname,
})
}
return
}
func (intent *IntentAPI) Members(roomID id.RoomID, req ...mautrix.ReqMembers) (resp *mautrix.RespMembers, err error) {
resp, err = intent.Client.Members(roomID, req...)
if err != nil {
return
}
for _, evt := range resp.Chunk {
intent.as.UpdateState(evt)
}
return
}
func (intent *IntentAPI) EnsureInvited(roomID id.RoomID, userID id.UserID) error {
if !intent.as.StateStore.IsInvited(roomID, userID) {
_, err := intent.InviteUser(roomID, &mautrix.ReqInviteUser{
UserID: userID,
})
if httpErr, ok := err.(mautrix.HTTPError); ok && httpErr.RespError != nil && strings.Contains(httpErr.RespError.Err, "is already in the room") {
return nil
}
return err
}
return nil
}