jfa-go/matrix.go

134 lines
3.1 KiB
Go

package main
import (
"encoding/json"
"github.com/matrix-org/gomatrix"
)
type MatrixDaemon struct {
Stopped bool
ShutdownChannel chan string
bot *gomatrix.Client
userID string
tokens map[string]UnverifiedUser // Map of tokens to users
languages map[string]string // Map of roomIDs to language codes
app *appContext
}
type UnverifiedUser struct {
Verified bool
User *MatrixUser
}
type MatrixUser struct {
RoomID string
UserID string
Lang string
Contact bool
}
var matrixFilter = gomatrix.Filter{
Room: gomatrix.RoomFilter{
Timeline: gomatrix.FilterPart{
Types: []string{
"m.room.message",
"m.room.member",
},
},
},
EventFields: []string{
"type",
"event_id",
"room_id",
"state_key",
"sender",
"content.body",
"content.membership",
},
}
func newMatrixDaemon(app *appContext) (d *MatrixDaemon, err error) {
matrix := app.config.Section("matrix")
homeserver := matrix.Key("homeserver").String()
token := matrix.Key("token").String()
d = &MatrixDaemon{
ShutdownChannel: make(chan string),
userID: matrix.Key("user_id").String(),
tokens: map[string]UnverifiedUser{},
languages: map[string]string{},
app: app,
}
d.bot, err = gomatrix.NewClient(homeserver, d.userID, token)
if err != nil {
return
}
filter, err := json.Marshal(matrixFilter)
if err != nil {
return
}
resp, err := d.bot.CreateFilter(filter)
d.bot.Store.SaveFilterID(d.userID, resp.FilterID)
for _, user := range app.storage.matrix {
if user.Lang != "" {
d.languages[user.RoomID] = user.Lang
}
}
return
}
func (d *MatrixDaemon) run() {
d.app.info.Println("Starting Matrix bot daemon")
syncer := d.bot.Syncer.(*gomatrix.DefaultSyncer)
syncer.OnEventType("m.room.message", d.handleMessage)
// syncer.OnEventType("m.room.member", d.handleMembership)
if err := d.bot.Sync(); err != nil {
d.app.err.Printf("Matrix sync failed: %v", err)
}
}
func (d *MatrixDaemon) Shutdown() {
d.bot.StopSync()
d.Stopped = true
close(d.ShutdownChannel)
}
func (d *MatrixDaemon) handleMessage(event *gomatrix.Event) { return }
func (d *MatrixDaemon) SendStart(userID string) (ok bool) {
room, err := d.bot.CreateRoom(&gomatrix.ReqCreateRoom{
Visibility: "private",
Invite: []string{userID},
Topic: "jfa-go",
})
if err != nil {
d.app.err.Printf("Failed to create room for user \"%s\": %v", userID, err)
return
}
lang := "en-us"
pin := genAuthToken()
d.tokens[pin] = UnverifiedUser{
false,
&MatrixUser{
RoomID: room.RoomID,
UserID: userID,
Lang: lang,
},
}
_, err = d.bot.SendText(
room.RoomID,
d.app.storage.lang.Telegram[lang].Strings.get("matrixStartMessage")+"\n\n"+pin+"\n\n"+
d.app.storage.lang.Telegram[lang].Strings.template("languageMessage", tmpl{"command": "!lang"}),
)
if err != nil {
d.app.err.Printf("Matrix: Failed to send welcome message to \"%s\": %v", userID, err)
return
}
ok = true
return
}
// User enters ID on sign-up, a PIN is sent to them. They enter it on sign-up.
// Message the user first, to avoid E2EE by default