Switch to upstream gomatrix (#1219)

Signed-off-by: Tilo Spannagel <development@tilosp.de>

1 files changed, 0 insertions, 808 deletions

diff --git a/vendor/github.com/matterbridge/gomatrix/client.go b/vendor/github.com/matterbridge/gomatrix/client.go
deleted file mode 100644
index 6dda4bc4..00000000
--- a/vendor/github.com/matterbridge/gomatrix/client.go
+++ /dev/null
@@ -1,808 +0,0 @@
-// Package gomatrix implements the Matrix Client-Server API.
-//
-// Specification can be found at http://matrix.org/docs/spec/client_server/r0.2.0.html
-package gomatrix
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"net/url"
-	"path"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-)
-
-// Client represents a Matrix client.
-type Client struct {
-	HomeserverURL *url.URL     // The base homeserver URL
-	Prefix        string       // The API prefix eg '/_matrix/client/r0'
-	UserID        string       // The user ID of the client. Used for forming HTTP paths which use the client's user ID.
-	AccessToken   string       // The access_token for the client.
-	Client        *http.Client // The underlying HTTP client which will be used to make HTTP requests.
-	Syncer        Syncer       // The thing which can process /sync responses
-	Store         Storer       // The thing which can store rooms/tokens/ids
-
-	// The ?user_id= query parameter for application services. This must be set *prior* to calling a method. If this is empty,
-	// no user_id parameter will be sent.
-	// See http://matrix.org/docs/spec/application_service/unstable.html#identity-assertion
-	AppServiceUserID string
-
-	syncingMutex sync.Mutex // protects syncingID
-	syncingID    uint32     // Identifies the current Sync. Only one Sync can be active at any given time.
-}
-
-// HTTPError An HTTP Error response, which may wrap an underlying native Go Error.
-type HTTPError struct {
-	Contents     []byte
-	WrappedError error
-	Message      string
-	Code         int
-}
-
-func (e HTTPError) Error() string {
-	var wrappedErrMsg string
-	if e.WrappedError != nil {
-		wrappedErrMsg = e.WrappedError.Error()
-	}
-	return fmt.Sprintf("contents=%v msg=%s code=%d wrapped=%s", e.Contents, e.Message, e.Code, wrappedErrMsg)
-}
-
-// BuildURL builds a URL with the Client's homserver/prefix/access_token set already.
-func (cli *Client) BuildURL(urlPath ...string) string {
-	ps := []string{cli.Prefix}
-	for _, p := range urlPath {
-		ps = append(ps, p)
-	}
-	return cli.BuildBaseURL(ps...)
-}
-
-// BuildBaseURL builds a URL with the Client's homeserver/access_token set already. You must
-// supply the prefix in the path.
-func (cli *Client) BuildBaseURL(urlPath ...string) string {
-	// copy the URL. Purposefully ignore error as the input is from a valid URL already
-	hsURL, _ := url.Parse(cli.HomeserverURL.String())
-	parts := []string{hsURL.Path}
-	parts = append(parts, urlPath...)
-	hsURL.Path = path.Join(parts...)
-	// Manually add the trailing slash back to the end of the path if it's explicitly needed
-	if strings.HasSuffix(urlPath[len(urlPath)-1], "/") {
-		hsURL.Path = hsURL.Path + "/"
-	}
-	query := hsURL.Query()
-	if cli.AccessToken != "" {
-		query.Set("access_token", cli.AccessToken)
-	}
-	if cli.AppServiceUserID != "" {
-		query.Set("user_id", cli.AppServiceUserID)
-	}
-	hsURL.RawQuery = query.Encode()
-	return hsURL.String()
-}
-
-// BuildURLWithQuery builds a URL with query parameters in addition to the Client's homeserver/prefix/access_token set already.
-func (cli *Client) BuildURLWithQuery(urlPath []string, urlQuery map[string]string) string {
-	u, _ := url.Parse(cli.BuildURL(urlPath...))
-	q := u.Query()
-	for k, v := range urlQuery {
-		q.Set(k, v)
-	}
-	u.RawQuery = q.Encode()
-	return u.String()
-}
-
-// SetCredentials sets the user ID and access token on this client instance.
-func (cli *Client) SetCredentials(userID, accessToken string) {
-	cli.AccessToken = accessToken
-	cli.UserID = userID
-}
-
-// ClearCredentials removes the user ID and access token on this client instance.
-func (cli *Client) ClearCredentials() {
-	cli.AccessToken = ""
-	cli.UserID = ""
-}
-
-// Sync starts syncing with the provided Homeserver. If Sync() is called twice then the first sync will be stopped and the
-// error will be nil.
-//
-// This function will block until a fatal /sync error occurs, so it should almost always be started as a new goroutine.
-// Fatal sync errors can be caused by:
-//   - The failure to create a filter.
-//   - Client.Syncer.OnFailedSync returning an error in response to a failed sync.
-//   - Client.Syncer.ProcessResponse returning an error.
-// If you wish to continue retrying in spite of these fatal errors, call Sync() again.
-func (cli *Client) Sync() error {
-	// Mark the client as syncing.
-	// We will keep syncing until the syncing state changes. Either because
-	// Sync is called or StopSync is called.
-	syncingID := cli.incrementSyncingID()
-	nextBatch := cli.Store.LoadNextBatch(cli.UserID)
-	filterID := cli.Store.LoadFilterID(cli.UserID)
-	if filterID == "" {
-		filterJSON := cli.Syncer.GetFilterJSON(cli.UserID)
-		resFilter, err := cli.CreateFilter(filterJSON)
-		if err != nil {
-			return err
-		}
-		filterID = resFilter.FilterID
-		cli.Store.SaveFilterID(cli.UserID, filterID)
-	}
-
-	for {
-		resSync, err := cli.SyncRequest(30000, nextBatch, filterID, false, "")
-		if err != nil {
-			duration, err2 := cli.Syncer.OnFailedSync(resSync, err)
-			if err2 != nil {
-				return err2
-			}
-			time.Sleep(duration)
-			continue
-		}
-
-		// Check that the syncing state hasn't changed
-		// Either because we've stopped syncing or another sync has been started.
-		// We discard the response from our sync.
-		if cli.getSyncingID() != syncingID {
-			return nil
-		}
-
-		// Save the token now *before* processing it. This means it's possible
-		// to not process some events, but it means that we won't get constantly stuck processing
-		// a malformed/buggy event which keeps making us panic.
-		cli.Store.SaveNextBatch(cli.UserID, resSync.NextBatch)
-		if err = cli.Syncer.ProcessResponse(resSync, nextBatch); err != nil {
-			return err
-		}
-
-		nextBatch = resSync.NextBatch
-	}
-}
-
-func (cli *Client) incrementSyncingID() uint32 {
-	cli.syncingMutex.Lock()
-	defer cli.syncingMutex.Unlock()
-	cli.syncingID++
-	return cli.syncingID
-}
-
-func (cli *Client) getSyncingID() uint32 {
-	cli.syncingMutex.Lock()
-	defer cli.syncingMutex.Unlock()
-	return cli.syncingID
-}
-
-// StopSync stops the ongoing sync started by Sync.
-func (cli *Client) StopSync() {
-	// Advance the syncing state so that any running Syncs will terminate.
-	cli.incrementSyncingID()
-}
-
-// MakeRequest makes a JSON HTTP request to the given URL.
-// The response body will be stream decoded into an interface. This will automatically stop if the response
-// body is nil.
-//
-// Returns an error if the response is not 2xx along with the HTTP body bytes if it got that far. This error is
-// an HTTPError which includes the returned HTTP status code, byte contents of the response body and possibly a
-// RespError as the WrappedError, if the HTTP body could be decoded as a RespError.
-func (cli *Client) MakeRequest(method string, httpURL string, reqBody interface{}, resBody interface{}) error {
-	var req *http.Request
-	var err error
-	if reqBody != nil {
-		buf := new(bytes.Buffer)
-		if err := json.NewEncoder(buf).Encode(reqBody); err != nil {
-			return err
-		}
-		req, err = http.NewRequest(method, httpURL, buf)
-	} else {
-		req, err = http.NewRequest(method, httpURL, nil)
-	}
-
-	if err != nil {
-		return err
-	}
-	req.Header.Set("Content-Type", "application/json")
-	res, err := cli.Client.Do(req)
-	if res != nil {
-		defer res.Body.Close()
-	}
-	if err != nil {
-		return err
-	}
-	if res.StatusCode/100 != 2 { // not 2xx
-		contents, err := ioutil.ReadAll(res.Body)
-		if err != nil {
-			return err
-		}
-
-		var wrap error
-		var respErr RespError
-		if _ = json.Unmarshal(contents, &respErr); respErr.ErrCode != "" {
-			wrap = respErr
-		}
-
-		// If we failed to decode as RespError, don't just drop the HTTP body, include it in the
-		// HTTP error instead (e.g proxy errors which return HTML).
-		msg := "Failed to " + method + " JSON to " + req.URL.Path
-		if wrap == nil {
-			msg = msg + ": " + string(contents)
-		}
-
-		return HTTPError{
-			Contents:     contents,
-			Code:         res.StatusCode,
-			Message:      msg,
-			WrappedError: wrap,
-		}
-	}
-
-	if resBody != nil && res.Body != nil {
-		return json.NewDecoder(res.Body).Decode(&resBody)
-	}
-
-	return nil
-}
-
-// CreateFilter makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-user-userid-filter
-func (cli *Client) CreateFilter(filter json.RawMessage) (resp *RespCreateFilter, err error) {
-	urlPath := cli.BuildURL("user", cli.UserID, "filter")
-	err = cli.MakeRequest("POST", urlPath, &filter, &resp)
-	return
-}
-
-// SyncRequest makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-sync
-func (cli *Client) SyncRequest(timeout int, since, filterID string, fullState bool, setPresence string) (resp *RespSync, err error) {
-	query := map[string]string{
-		"timeout": strconv.Itoa(timeout),
-	}
-	if since != "" {
-		query["since"] = since
-	}
-	if filterID != "" {
-		query["filter"] = filterID
-	}
-	if setPresence != "" {
-		query["set_presence"] = setPresence
-	}
-	if fullState {
-		query["full_state"] = "true"
-	}
-	urlPath := cli.BuildURLWithQuery([]string{"sync"}, query)
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-func (cli *Client) register(u string, req *ReqRegister) (resp *RespRegister, uiaResp *RespUserInteractive, err error) {
-	err = cli.MakeRequest("POST", u, req, &resp)
-	if err != nil {
-		httpErr, ok := err.(HTTPError)
-		if !ok { // network error
-			return
-		}
-		if httpErr.Code == 401 {
-			// body should be RespUserInteractive, if it isn't, fail with the error
-			err = json.Unmarshal(httpErr.Contents, &uiaResp)
-			return
-		}
-	}
-	return
-}
-
-// Register makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-register
-//
-// Registers with kind=user. For kind=guest, see RegisterGuest.
-func (cli *Client) Register(req *ReqRegister) (*RespRegister, *RespUserInteractive, error) {
-	u := cli.BuildURL("register")
-	return cli.register(u, req)
-}
-
-// RegisterGuest makes an HTTP request according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-register
-// with kind=guest.
-//
-// For kind=user, see Register.
-func (cli *Client) RegisterGuest(req *ReqRegister) (*RespRegister, *RespUserInteractive, error) {
-	query := map[string]string{
-		"kind": "guest",
-	}
-	u := cli.BuildURLWithQuery([]string{"register"}, query)
-	return cli.register(u, req)
-}
-
-// RegisterDummy performs m.login.dummy registration according to https://matrix.org/docs/spec/client_server/r0.2.0.html#dummy-auth
-//
-// Only a username and password need to be provided on the ReqRegister struct. Most local/developer homeservers will allow registration
-// this way. If the homeserver does not, an error is returned.
-//
-// This does not set credentials on the client instance. See SetCredentials() instead.
-//
-// 	res, err := cli.RegisterDummy(&gomatrix.ReqRegister{
-//		Username: "alice",
-//		Password: "wonderland",
-//	})
-//  if err != nil {
-// 		panic(err)
-// 	}
-// 	token := res.AccessToken
-func (cli *Client) RegisterDummy(req *ReqRegister) (*RespRegister, error) {
-	res, uia, err := cli.Register(req)
-	if err != nil && uia == nil {
-		return nil, err
-	}
-	if uia != nil && uia.HasSingleStageFlow("m.login.dummy") {
-		req.Auth = struct {
-			Type    string `json:"type"`
-			Session string `json:"session,omitempty"`
-		}{"m.login.dummy", uia.Session}
-		res, _, err = cli.Register(req)
-		if err != nil {
-			return nil, err
-		}
-	}
-	if res == nil {
-		return nil, fmt.Errorf("registration failed: does this server support m.login.dummy?")
-	}
-	return res, nil
-}
-
-// Login a user to the homeserver according to http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-login
-// This does not set credentials on this client instance. See SetCredentials() instead.
-func (cli *Client) Login(req *ReqLogin) (resp *RespLogin, err error) {
-	urlPath := cli.BuildURL("login")
-	err = cli.MakeRequest("POST", urlPath, req, &resp)
-	return
-}
-
-// Logout the current user. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-logout
-// This does not clear the credentials from the client instance. See ClearCredentials() instead.
-func (cli *Client) Logout() (resp *RespLogout, err error) {
-	urlPath := cli.BuildURL("logout")
-	err = cli.MakeRequest("POST", urlPath, nil, &resp)
-	return
-}
-
-// Versions returns the list of supported Matrix versions on this homeserver. See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-versions
-func (cli *Client) Versions() (resp *RespVersions, err error) {
-	urlPath := cli.BuildBaseURL("_matrix", "client", "versions")
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-// PublicRooms returns the list of public rooms on target server. See https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-unstable-publicrooms
-func (cli *Client) PublicRooms(limit int, since string, server string) (resp *RespPublicRooms, err error) {
-	args := map[string]string{}
-
-	if limit != 0 {
-		args["limit"] = strconv.Itoa(limit)
-	}
-	if since != "" {
-		args["since"] = since
-	}
-	if server != "" {
-		args["server"] = server
-	}
-
-	urlPath := cli.BuildURLWithQuery([]string{"publicRooms"}, args)
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-// PublicRoomsFiltered returns a subset of PublicRooms filtered server side.
-// See https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-unstable-publicrooms
-func (cli *Client) PublicRoomsFiltered(limit int, since string, server string, filter string) (resp *RespPublicRooms, err error) {
-	content := map[string]string{}
-
-	if limit != 0 {
-		content["limit"] = strconv.Itoa(limit)
-	}
-	if since != "" {
-		content["since"] = since
-	}
-	if filter != "" {
-		content["filter"] = filter
-	}
-
-	var urlPath string
-	if server == "" {
-		urlPath = cli.BuildURL("publicRooms")
-	} else {
-		urlPath = cli.BuildURLWithQuery([]string{"publicRooms"}, map[string]string{
-			"server": server,
-		})
-	}
-
-	err = cli.MakeRequest("POST", urlPath, content, &resp)
-	return
-}
-
-// JoinRoom joins the client to a room ID or alias. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-join-roomidoralias
-//
-// If serverName is specified, this will be added as a query param to instruct the homeserver to join via that server. If content is specified, it will
-// be JSON encoded and used as the request body.
-func (cli *Client) JoinRoom(roomIDorAlias, serverName string, content interface{}) (resp *RespJoinRoom, err error) {
-	var urlPath string
-	if serverName != "" {
-		urlPath = cli.BuildURLWithQuery([]string{"join", roomIDorAlias}, map[string]string{
-			"server_name": serverName,
-		})
-	} else {
-		urlPath = cli.BuildURL("join", roomIDorAlias)
-	}
-	err = cli.MakeRequest("POST", urlPath, content, &resp)
-	return
-}
-
-// GetDisplayName returns the display name of the user from the specified MXID. See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-displayname
-func (cli *Client) GetDisplayName(mxid string) (resp *RespUserDisplayName, err error) {
-	urlPath := cli.BuildURL("profile", mxid, "displayname")
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-// GetOwnDisplayName returns the user's display name. See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-displayname
-func (cli *Client) GetOwnDisplayName() (resp *RespUserDisplayName, err error) {
-	urlPath := cli.BuildURL("profile", cli.UserID, "displayname")
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-// SetDisplayName sets the user's profile display name. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-profile-userid-displayname
-func (cli *Client) SetDisplayName(displayName string) (err error) {
-	urlPath := cli.BuildURL("profile", cli.UserID, "displayname")
-	s := struct {
-		DisplayName string `json:"displayname"`
-	}{displayName}
-	err = cli.MakeRequest("PUT", urlPath, &s, nil)
-	return
-}
-
-// GetAvatarURL gets the user's avatar URL. See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-avatar-url
-func (cli *Client) GetAvatarURL() (string, error) {
-	urlPath := cli.BuildURL("profile", cli.UserID, "avatar_url")
-	s := struct {
-		AvatarURL string `json:"avatar_url"`
-	}{}
-
-	err := cli.MakeRequest("GET", urlPath, nil, &s)
-	if err != nil {
-		return "", err
-	}
-
-	return s.AvatarURL, nil
-}
-
-// GetAvatarURL gets the user's avatar URL. See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-profile-userid-avatar-url
-func (cli *Client) GetSenderAvatarURL(sender string) (string, error) {
-	urlPath := cli.BuildURL("profile", sender, "avatar_url")
-	s := struct {
-		AvatarURL string `json:"avatar_url"`
-	}{}
-
-	err := cli.MakeRequest("GET", urlPath, nil, &s)
-	if err != nil {
-		return "", err
-	}
-
-	return s.AvatarURL, nil
-}
-
-// SetAvatarURL sets the user's avatar URL. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-profile-userid-avatar-url
-func (cli *Client) SetAvatarURL(url string) error {
-	urlPath := cli.BuildURL("profile", cli.UserID, "avatar_url")
-	s := struct {
-		AvatarURL string `json:"avatar_url"`
-	}{url}
-	err := cli.MakeRequest("PUT", urlPath, &s, nil)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-// SendMessageEvent sends a message event into a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-send-eventtype-txnid
-// contentJSON should be a pointer to something that can be encoded as JSON using json.Marshal.
-func (cli *Client) SendMessageEvent(roomID string, eventType string, contentJSON interface{}) (resp *RespSendEvent, err error) {
-	txnID := txnID()
-	urlPath := cli.BuildURL("rooms", roomID, "send", eventType, txnID)
-	err = cli.MakeRequest("PUT", urlPath, contentJSON, &resp)
-	return
-}
-
-// SendStateEvent sends a state event into a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-state-eventtype-statekey
-// contentJSON should be a pointer to something that can be encoded as JSON using json.Marshal.
-func (cli *Client) SendStateEvent(roomID, eventType, stateKey string, contentJSON interface{}) (resp *RespSendEvent, err error) {
-	urlPath := cli.BuildURL("rooms", roomID, "state", eventType, stateKey)
-	err = cli.MakeRequest("PUT", urlPath, contentJSON, &resp)
-	return
-}
-
-// SendText sends an m.room.message event into the given room with a msgtype of m.text
-// See http://matrix.org/docs/spec/client_server/r0.2.0.html#m-text
-func (cli *Client) SendText(roomID, text string) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		TextMessage{"m.text", text, "", ""})
-}
-
-func (cli *Client) SendHTML(roomID, textclear, text string) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		TextMessage{"m.text", textclear, "org.matrix.custom.html", text})
-}
-
-// SendImage sends an m.room.message event into the given room with a msgtype of m.image
-// See https://matrix.org/docs/spec/client_server/r0.2.0.html#m-image
-func (cli *Client) SendImage(roomID, body, url string) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		ImageMessage{
-			MsgType: "m.image",
-			Body:    body,
-			URL:     url,
-		})
-}
-
-// SendVideo sends an m.room.message event into the given room with a msgtype of m.video
-// See https://matrix.org/docs/spec/client_server/r0.2.0.html#m-video
-func (cli *Client) SendVideo(roomID, body, url string) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		VideoMessage{
-			MsgType: "m.video",
-			Body:    body,
-			URL:     url,
-		})
-}
-
-// SendAudio sends an m.room.message event into the given room with a msgtype of m.audio
-// See https://matrix.org/docs/spec/client_server/r0.2.0.html#m-audio
-func (cli *Client) SendAudio(roomID, body, url, mimetype string, size uint) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		AudioMessage{
-			MsgType: "m.audio",
-			Body:    body,
-			URL:     url,
-			Info: AudioInfo{
-				Size:     size,
-				Mimetype: mimetype,
-			},
-		})
-}
-
-// SendFile sends an m.room.message event into the given room with a msgtype of m.file
-// See https://matrix.org/docs/spec/client_server/r0.2.0.html#m-file
-func (cli *Client) SendFile(roomID, body, url, mimetype string, size uint) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		FileMessage{
-			MsgType: "m.file",
-			Body:    body,
-			URL:     url,
-			Info: FileInfo{
-				Size:     size,
-				Mimetype: mimetype,
-			},
-		})
-}
-
-// SendNotice sends an m.room.message event into the given room with a msgtype of m.notice
-// See http://matrix.org/docs/spec/client_server/r0.2.0.html#m-notice
-func (cli *Client) SendNotice(roomID, text string) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		TextMessage{"m.notice", text, "", ""})
-}
-
-func (cli *Client) SendNoticeHTML(roomID, textclear, text string) (*RespSendEvent, error) {
-	return cli.SendMessageEvent(roomID, "m.room.message",
-		TextMessage{"m.notice", textclear, "org.matrix.custom.html", text})
-}
-
-// RedactEvent redacts the given event. See http://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-redact-eventid-txnid
-func (cli *Client) RedactEvent(roomID, eventID string, req *ReqRedact) (resp *RespSendEvent, err error) {
-	txnID := txnID()
-	urlPath := cli.BuildURL("rooms", roomID, "redact", eventID, txnID)
-	err = cli.MakeRequest("PUT", urlPath, req, &resp)
-	return
-}
-
-// CreateRoom creates a new Matrix room. See https://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
-//  resp, err := cli.CreateRoom(&gomatrix.ReqCreateRoom{
-//  	Preset: "public_chat",
-//  })
-//  fmt.Println("Room:", resp.RoomID)
-func (cli *Client) CreateRoom(req *ReqCreateRoom) (resp *RespCreateRoom, err error) {
-	urlPath := cli.BuildURL("createRoom")
-	err = cli.MakeRequest("POST", urlPath, req, &resp)
-	return
-}
-
-// LeaveRoom leaves the given room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-leave
-func (cli *Client) LeaveRoom(roomID string) (resp *RespLeaveRoom, err error) {
-	u := cli.BuildURL("rooms", roomID, "leave")
-	err = cli.MakeRequest("POST", u, struct{}{}, &resp)
-	return
-}
-
-// ForgetRoom forgets a room entirely. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-forget
-func (cli *Client) ForgetRoom(roomID string) (resp *RespForgetRoom, err error) {
-	u := cli.BuildURL("rooms", roomID, "forget")
-	err = cli.MakeRequest("POST", u, struct{}{}, &resp)
-	return
-}
-
-// InviteUser invites a user to a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-invite
-func (cli *Client) InviteUser(roomID string, req *ReqInviteUser) (resp *RespInviteUser, err error) {
-	u := cli.BuildURL("rooms", roomID, "invite")
-	err = cli.MakeRequest("POST", u, req, &resp)
-	return
-}
-
-// InviteUserByThirdParty invites a third-party identifier to a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#invite-by-third-party-id-endpoint
-func (cli *Client) InviteUserByThirdParty(roomID string, req *ReqInvite3PID) (resp *RespInviteUser, err error) {
-	u := cli.BuildURL("rooms", roomID, "invite")
-	err = cli.MakeRequest("POST", u, req, &resp)
-	return
-}
-
-// KickUser kicks a user from a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-kick
-func (cli *Client) KickUser(roomID string, req *ReqKickUser) (resp *RespKickUser, err error) {
-	u := cli.BuildURL("rooms", roomID, "kick")
-	err = cli.MakeRequest("POST", u, req, &resp)
-	return
-}
-
-// BanUser bans a user from a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-ban
-func (cli *Client) BanUser(roomID string, req *ReqBanUser) (resp *RespBanUser, err error) {
-	u := cli.BuildURL("rooms", roomID, "ban")
-	err = cli.MakeRequest("POST", u, req, &resp)
-	return
-}
-
-// UnbanUser unbans a user from a room. See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-rooms-roomid-unban
-func (cli *Client) UnbanUser(roomID string, req *ReqUnbanUser) (resp *RespUnbanUser, err error) {
-	u := cli.BuildURL("rooms", roomID, "unban")
-	err = cli.MakeRequest("POST", u, req, &resp)
-	return
-}
-
-// UserTyping sets the typing status of the user. See https://matrix.org/docs/spec/client_server/r0.2.0.html#put-matrix-client-r0-rooms-roomid-typing-userid
-func (cli *Client) UserTyping(roomID string, typing bool, timeout int64) (resp *RespTyping, err error) {
-	req := ReqTyping{Typing: typing, Timeout: timeout}
-	u := cli.BuildURL("rooms", roomID, "typing", cli.UserID)
-	err = cli.MakeRequest("PUT", u, req, &resp)
-	return
-}
-
-// StateEvent gets a single state event in a room. It will attempt to JSON unmarshal into the given "outContent" struct with
-// the HTTP response body, or return an error.
-// See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-rooms-roomid-state-eventtype-statekey
-func (cli *Client) StateEvent(roomID, eventType, stateKey string, outContent interface{}) (err error) {
-	u := cli.BuildURL("rooms", roomID, "state", eventType, stateKey)
-	err = cli.MakeRequest("GET", u, nil, outContent)
-	return
-}
-
-// UploadLink uploads an HTTP URL and then returns an MXC URI.
-func (cli *Client) UploadLink(link string) (*RespMediaUpload, error) {
-	res, err := cli.Client.Get(link)
-	if res != nil {
-		defer res.Body.Close()
-	}
-	if err != nil {
-		return nil, err
-	}
-	return cli.UploadToContentRepo(res.Body, res.Header.Get("Content-Type"), res.ContentLength)
-}
-
-// UploadToContentRepo uploads the given bytes to the content repository and returns an MXC URI.
-// See http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-media-r0-upload
-func (cli *Client) UploadToContentRepo(content io.Reader, contentType string, contentLength int64) (*RespMediaUpload, error) {
-	req, err := http.NewRequest("POST", cli.BuildBaseURL("_matrix/media/r0/upload"), content)
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Set("Content-Type", contentType)
-	req.ContentLength = contentLength
-	res, err := cli.Client.Do(req)
-	if res != nil {
-		defer res.Body.Close()
-	}
-	if err != nil {
-		return nil, err
-	}
-	if res.StatusCode != 200 {
-		contents, err := ioutil.ReadAll(res.Body)
-		if err != nil {
-			return nil, HTTPError{
-				Message: "Upload request failed - Failed to read response body: " + err.Error(),
-				Code:    res.StatusCode,
-			}
-		}
-		return nil, HTTPError{
-			Contents: contents,
-			Message:  "Upload request failed: " + string(contents),
-			Code:     res.StatusCode,
-		}
-	}
-	var m RespMediaUpload
-	if err := json.NewDecoder(res.Body).Decode(&m); err != nil {
-		return nil, err
-	}
-	return &m, nil
-}
-
-// JoinedMembers returns a map of joined room members. See TODO-SPEC. https://github.com/matrix-org/synapse/pull/1680
-//
-// In general, usage of this API is discouraged in favour of /sync, as calling this API can race with incoming membership changes.
-// This API is primarily designed for application services which may want to efficiently look up joined members in a room.
-func (cli *Client) JoinedMembers(roomID string) (resp *RespJoinedMembers, err error) {
-	u := cli.BuildURL("rooms", roomID, "joined_members")
-	err = cli.MakeRequest("GET", u, nil, &resp)
-	return
-}
-
-// JoinedRooms returns a list of rooms which the client is joined to. See TODO-SPEC. https://github.com/matrix-org/synapse/pull/1680
-//
-// In general, usage of this API is discouraged in favour of /sync, as calling this API can race with incoming membership changes.
-// This API is primarily designed for application services which may want to efficiently look up joined rooms.
-func (cli *Client) JoinedRooms() (resp *RespJoinedRooms, err error) {
-	u := cli.BuildURL("joined_rooms")
-	err = cli.MakeRequest("GET", u, nil, &resp)
-	return
-}
-
-// Messages returns a list of message and state events for a room. It uses
-// pagination query parameters to paginate history in the room.
-// See https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-rooms-roomid-messages
-func (cli *Client) Messages(roomID, from, to string, dir rune, limit int) (resp *RespMessages, err error) {
-	query := map[string]string{
-		"from": from,
-		"dir":  string(dir),
-	}
-	if to != "" {
-		query["to"] = to
-	}
-	if limit != 0 {
-		query["limit"] = strconv.Itoa(limit)
-	}
-
-	urlPath := cli.BuildURLWithQuery([]string{"rooms", roomID, "messages"}, query)
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-// TurnServer returns turn server details and credentials for the client to use when initiating calls.
-// See http://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-r0-voip-turnserver
-func (cli *Client) TurnServer() (resp *RespTurnServer, err error) {
-	urlPath := cli.BuildURL("voip", "turnServer")
-	err = cli.MakeRequest("GET", urlPath, nil, &resp)
-	return
-}
-
-func txnID() string {
-	return "go" + strconv.FormatInt(time.Now().UnixNano(), 10)
-}
-
-// NewClient creates a new Matrix Client ready for syncing
-func NewClient(homeserverURL, userID, accessToken string) (*Client, error) {
-	hsURL, err := url.Parse(homeserverURL)
-	if err != nil {
-		return nil, err
-	}
-	// By default, use an in-memory store which will never save filter ids / next batch tokens to disk.
-	// The client will work with this storer: it just won't remember across restarts.
-	// In practice, a database backend should be used.
-	store := NewInMemoryStore()
-	cli := Client{
-		AccessToken:   accessToken,
-		HomeserverURL: hsURL,
-		UserID:        userID,
-		Prefix:        "/_matrix/client/r0",
-		Syncer:        NewDefaultSyncer(userID, store),
-		Store:         store,
-	}
-	// By default, use the default HTTP client.
-	cli.Client = http.DefaultClient
-
-	return &cli, nil
-}