Implement missing endpoints

- GET /whoami,
- GET /room/{room alias},
- POST /account/3pid/email/requestToken,
- GET, PUT /account_data/{type},
- GET /devices
- GET /account/3pid
- GET /available
- Send m.room.power_levels
- Get latest m.room.power_levels

client.go

@@ -776,6 +776,89 @@ func (cli *Client) TurnServer() (resp *RespTurnServer, err error) {
 	return
 }
 
+// WhoAmI Gets information about the owner of a given access token.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-account-whoami
+func (cli *Client) WhoAmI() (resp *RespWhoAmI, err error) {
+	u := cli.BuildURL("account", "whoami")
+	err = cli.MakeRequest("GET", u, struct{}{}, &resp)
+	return
+}
+
+// RoomAlias requests that the server resolve a room alias to a room ID.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-directory-room-roomalias
+func (cli *Client) RoomAlias(roomAlias string) (resp *RespRoomAlias, err error) {
+	u := cli.BuildURL("directory", "room", roomAlias)
+	err = cli.MakeRequest("GET", u, struct{}{}, &resp)
+	return
+}
+
+// EmailRequestToken requests email from homeserver so that it email be bound to existing account after validation.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-account-3pid-email-requesttoken
+func (cli *Client) Account3PidEmailRequestToken(req ReqEmailRequestToken) (resp *RespEmailRequestToken, err error) {
+	u := cli.BuildURL("account", "3pid", "email", "requestToken")
+	err = cli.MakeRequest("POST", u, req, &resp)
+	return
+}
+
+// GetAccountData gets some account_data for the client.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-user-userid-account-data-type
+func (cli *Client) GetAccountData(req ReqGetAccountData) (resp RespAccountData, err error) {
+	resp = make(RespAccountData)
+	u := cli.BuildURL("user", cli.UserID, "account_data", req.Type)
+	err = cli.MakeRequest("GET", u, nil, &resp)
+	return
+}
+
+// PutAccountData sets some account_data for the client.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#put-matrix-client-r0-user-userid-account-data-type
+func (cli *Client) PutAccountData(req ReqPutAccountData) (err error) {
+	u := cli.BuildURL("user", cli.UserID, "account_data", req.Type)
+	err = cli.MakeRequest("PUT", u, req.Data, nil)
+	return
+}
+
+// GetDevices gets information about all devices for the current user.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-devices
+func (cli *Client) GetDevices() (resp RespGetDevices, err error) {
+	resp.Devices = make([]Device, 0)
+	u := cli.BuildURL("devices")
+	err = cli.MakeRequest("GET", u, nil, &resp)
+	return
+}
+
+// GetThreePID gets a list of the third party identifiers that the homeserver has associated with the user's account.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-account-3pid
+func (cli *Client) GetThreePID() (resp RespGetThreePID, err error) {
+	u := cli.BuildURL("account", "3pid")
+	err = cli.MakeRequest("GET", u, nil, &resp)
+	return
+}
+
+// Available checks to see if a username is available, and valid, for the server.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-register-available
+func (cli *Client) Available(username string) (err error) {
+	u := cli.BuildURLWithQuery(
+		[]string{"register", "available"},
+		map[string]string{
+			"username": username,
+		})
+	err = cli.MakeRequest("GET", u, nil, nil)
+	return
+}
+
+// PowerLevels gets most recent m.room.power_levels event.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#m-room-power-levels
+func (cli *Client) PowerLevels(roomID string) (resp PowerLevels, err error) {
+	err = cli.StateEvent(roomID, "m.room.power_levels", "", &resp)
+	return
+}
+
+// SendPowerLevels sends m.room.power_levels event.
+// See https://matrix.org/docs/spec/client_server/r0.6.1#m-room-power-levels
+func (cli *Client) SendPowerLevels(roomID string, pl PowerLevels) (*RespSendEvent, error) {
+	return cli.SendStateEvent(roomID, "m.room.power_levels", "", pl)
+}
+
 func txnID() string {
 	return "go" + strconv.FormatInt(time.Now().UnixNano(), 10)
 }

events.go

@@ -143,6 +143,24 @@ type AudioMessage struct {
 	Info    AudioInfo `json:"info,omitempty"`
 }
 
+// PowerLevels is and m.room.power_levels event - https://matrix.org/docs/spec/client_server/r0.6.1#m-room-power-levels
+type PowerLevels struct {
+	Ban           int                    `json:"ban"`
+	Invite        int                    `json:"invite"`
+	Kick          int                    `json:"kick"`
+	Redact        int                    `json:"redact"`
+	Events        map[string]int         `json:"events"`
+	Users         map[string]int         `json:"users"`
+	Notifications NotificationPowerLevel `json:"notifications"`
+	EventsDefault int                    `json:"events_default"`
+	StateDefault  int                    `json:"state_default"`
+	UsersDefault  int                    `json:"users_default"`
+}
+
+type NotificationPowerLevel struct {
+	Room int `json:"room"`
+}
+
 var htmlRegex = regexp.MustCompile("<[^<]+?>")
 
 // GetHTMLMessage returns an HTMLMessage with the body set to a stripped version of the provided HTML, in addition

requests.go

@@ -77,3 +77,27 @@ type ReqTyping struct {
 	Typing  bool  `json:"typing"`
 	Timeout int64 `json:"timeout"`
 }
+
+// ReqGetAccountData is the JSON request for https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-user-userid-account-data-type
+type ReqGetAccountData struct {
+	Type string
+}
+
+// ReqPutAccountData is the JSON request for https://matrix.org/docs/spec/client_server/r0.6.1#put-matrix-client-r0-user-userid-account-data-type
+type ReqPutAccountData struct {
+	ReqGetAccountData
+	Data map[string]interface{}
+}
+
+// ReqEmailRequestToken is the JSON request for
+// 		https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-register-email-requesttoken
+//		https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-account-password-email-requesttoken
+//		https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-account-3pid-email-requesttoken
+type ReqEmailRequestToken struct {
+	IdServer      string `json:"id_server,omitempty"`
+	IdAccessToken string `json:"id_access_token,omitempty"`
+	Secret        string `json:"client_secret"`
+	Email         string `json:"email"`
+	SendAttempt   int    `json:"send_attempt"`
+	NextLink      string `json:"next_link,omitempty"`
+}

responses.go

@@ -208,3 +208,49 @@ type RespTurnServer struct {
 	TTL      int      `json:"ttl"`
 	URIs     []string `json:"uris"`
 }
+
+// RespWhoAmI is JSON response for https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-account-whoami
+type RespWhoAmI struct {
+	UserId string `json:"user_id"`
+}
+
+// RespRoomAlias is JSON response for https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-directory-room-roomalias
+type RespRoomAlias struct {
+	RoomID  string   `json:"room_id"`
+	Servers []string `json:"servers"`
+}
+
+// RespGetDevices is JSON response for https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-devices
+type RespGetDevices struct {
+	Devices []Device `json:"devices"`
+}
+
+type Device struct {
+	DeviceId    string `json:"device_id" example:"l4kRnv3u"`
+	DisplayName string `json:"display_name" example:"web"`
+	LastSeenTs  int    `json:"last_seen_ts" example:"1620644706232"`
+}
+
+// RespGetThreePID is JSON response for https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-account-3pid
+type RespGetThreePID struct {
+	ThreePIDs []ThreePID `json:"threepids"`
+}
+
+type ThreePID struct {
+	AddedAt     int    `json:"added_at"`
+	Address     string `json:"address"`
+	Medium      string `json:"medium"`
+	ValidatedAt int    `json:"validated_at"`
+}
+
+// RespAccountData is JSON response for https://matrix.org/docs/spec/client_server/r0.6.1#get-matrix-client-r0-user-userid-account-data-type
+type RespAccountData map[string]interface{}
+
+// RespEmailRequestToken is JSON response for
+//		https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-register-email-requesttoken
+//		https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-account-password-email-requesttoken
+//		https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-account-3pid-email-requesttoken
+type RespEmailRequestToken struct {
+	Sid       string `json:"sid"`
+	SumbitURL string `json:"submit_url"`
+}